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@athlona64
Created October 21, 2019 09:23
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Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.19+commit.c4cbbb05.js&optimize=false&gist=
pragma solidity >=0.4.0 <0.7.0;
contract getStarted {
uint public x = 0;
string public name = "none";
function setX(uint _x) public returns(bool){
x = _x;
return true;
}
function setName(string memory _name) public returns(bool) {
name = _name;
return true;
}
}
pragma solidity ^0.4.18;
contract ERC20 {
uint public totalSupply;
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
function balanceOf(address who) public view returns (uint);
function allowance(address owner, address spender) public view returns (uint);
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);
}
contract AtomicSwapERC20ToERC20 {
struct Swap {
uint256 openValue;
address openTrader;
address openContractAddress;
uint256 closeValue;
address closeTrader;
address closeContractAddress;
}
enum States {
INVALID,
OPEN,
CLOSED,
EXPIRED
}
mapping (bytes32 => Swap) private swaps;
mapping (bytes32 => States) private swapStates;
event Open(bytes32 _swapID, address _closeTrader);
event Expire(bytes32 _swapID);
event Close(bytes32 _swapID);
modifier onlyInvalidSwaps(bytes32 _swapID) {
require (swapStates[_swapID] == States.INVALID);
_;
}
modifier onlyOpenSwaps(bytes32 _swapID) {
require (swapStates[_swapID] == States.OPEN);
_;
}
function open(bytes32 _swapID, uint256 _openValue, address _openContractAddress, uint256 _closeValue, address _closeTrader, address _closeContractAddress) public onlyInvalidSwaps(_swapID) {
// Transfer value from the opening trader to this contract.
ERC20 openERC20Contract = ERC20(_openContractAddress);
require(_openValue <= openERC20Contract.allowance(msg.sender, address(this)));
require(openERC20Contract.transferFrom(msg.sender, address(this), _openValue));
// Store the details of the swap.
Swap memory swap = Swap({
openValue: _openValue,
openTrader: msg.sender,
openContractAddress: _openContractAddress,
closeValue: _closeValue,
closeTrader: _closeTrader,
closeContractAddress: _closeContractAddress
});
swaps[_swapID] = swap;
swapStates[_swapID] = States.OPEN;
Open(_swapID, _closeTrader);
}
function close(bytes32 _swapID) public onlyOpenSwaps(_swapID) {
// Close the swap.
Swap memory swap = swaps[_swapID];
swapStates[_swapID] = States.CLOSED;
// Transfer the closing funds from the closing trader to the opening trader.
ERC20 closeERC20Contract = ERC20(swap.closeContractAddress);
require(swap.closeValue <= closeERC20Contract.allowance(swap.closeTrader, address(this)));
require(closeERC20Contract.transferFrom(swap.closeTrader, swap.openTrader, swap.closeValue));
// Transfer the opening funds from this contract to the closing trader.
ERC20 openERC20Contract = ERC20(swap.openContractAddress);
require(openERC20Contract.transfer(swap.closeTrader, swap.openValue));
Close(_swapID);
}
function expire(bytes32 _swapID) public onlyOpenSwaps(_swapID) {
// Expire the swap.
Swap memory swap = swaps[_swapID];
swapStates[_swapID] = States.EXPIRED;
// Transfer opening value from this contract back to the opening trader.
ERC20 openERC20Contract = ERC20(swap.openContractAddress);
require(openERC20Contract.transfer(swap.openTrader, swap.openValue));
Expire(_swapID);
}
function check(bytes32 _swapID) public view returns (uint256 openValue, address openContractAddress, uint256 closeValue, address closeTrader, address closeContractAddress) {
Swap memory swap = swaps[_swapID];
return (swap.openValue, swap.openContractAddress, swap.closeValue, swap.closeTrader, swap.closeContractAddress);
}
}
pragma solidity >=0.4.0 <0.7.0;
contract loan {
mapping(address => loans) public _contract_card;
struct loans {
uint amount;
uint interest;
address borrow;
address lender;
uint installment;
uint due;
address tx;
}
}
pragma solidity >=0.4.22 <0.6.0;
contract Ballot {
struct Voter {
uint weight;
bool voted;
uint8 vote;
address delegate;
}
struct Proposal {
uint voteCount;
}
address chairperson;
mapping(address => Voter) voters;
Proposal[] proposals;
/// Create a new ballot with $(_numProposals) different proposals.
constructor(uint8 _numProposals) public {
chairperson = msg.sender;
voters[chairperson].weight = 1;
proposals.length = _numProposals;
}
/// Give $(toVoter) the right to vote on this ballot.
/// May only be called by $(chairperson).
function giveRightToVote(address toVoter) public {
if (msg.sender != chairperson || voters[toVoter].voted) return;
voters[toVoter].weight = 1;
}
/// Delegate your vote to the voter $(to).
function delegate(address to) public {
Voter storage sender = voters[msg.sender]; // assigns reference
if (sender.voted) return;
while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
to = voters[to].delegate;
if (to == msg.sender) return;
sender.voted = true;
sender.delegate = to;
Voter storage delegateTo = voters[to];
if (delegateTo.voted)
proposals[delegateTo.vote].voteCount += sender.weight;
else
delegateTo.weight += sender.weight;
}
/// Give a single vote to proposal $(toProposal).
function vote(uint8 toProposal) public {
Voter storage sender = voters[msg.sender];
if (sender.voted || toProposal >= proposals.length) return;
sender.voted = true;
sender.vote = toProposal;
proposals[toProposal].voteCount += sender.weight;
}
function winningProposal() public view returns (uint8 _winningProposal) {
uint256 winningVoteCount = 0;
for (uint8 prop = 0; prop < proposals.length; prop++)
if (proposals[prop].voteCount > winningVoteCount) {
winningVoteCount = proposals[prop].voteCount;
_winningProposal = prop;
}
}
}
import "remix_tests.sol"; // this import is automatically injected by Remix.
import "./ballot.sol";
contract test3 {
Ballot ballotToTest;
function beforeAll () public {
ballotToTest = new Ballot(2);
}
function checkWinningProposal () public {
ballotToTest.vote(1);
Assert.equal(ballotToTest.winningProposal(), uint(1), "1 should be the winning proposal");
}
function checkWinninProposalWithReturnValue () public view returns (bool) {
return ballotToTest.winningProposal() == 1;
}
}
pragma solidity >=0.4.0 <0.7.0;
contract OwnerCheck {
address public owner;
event TransferOwner(address newowner);
modifier onlyOwerner {
require(msg.sender == owner);
_;
}
function transferOwner(address newowner) onlyOwerner public{
owner = newowner;
emit TransferOwner(newowner);
}
}
contract MAN_ERC20 is OwnerCheck{
uint public decimals = 18;
uint total;
string public name = "ManToken";
mapping(address => uint) balances;
mapping (address => mapping (address => uint)) allowed;
string public symbol = "MAN";
event Transfer(address _s, address _t, uint _value);
event Approval(address _s, address _to, uint _value);
event Mint(address _to, uint _value);
constructor(uint _value) public {
owner = msg.sender;
balances[msg.sender] = _value;
total = _value;
}
function totalSupply() view public returns(uint){
return total;
}
function balanceOf(address _owner) view public returns(uint){
return balances[_owner];
}
function transfer(address _to, uint _value) public returns(bool){
require(balances[msg.sender] >= _value, 'no money');
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint _allowance = allowed[_from][msg.sender];
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] = _allowance - _value;
emit Transfer(_from, _to, _value);
return true;
}
function allowance(address _owner, address _spender) view public returns (uint remaining) {
return allowed[_owner][_spender];
}
function mintToken(uint _value) onlyOwerner public returns(bool){
balances[msg.sender] += _value;
total += _value;
return true;
}
function burnToken(uint _value) onlyOwerner public returns(bool) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
total -= _value;
return true;
}
function mintTo(address _to, uint _value) onlyOwerner public returns(bool) {
balances[_to] += _value;
total+= _value;
emit Mint(_to, _value);
return true;
}
}
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
pragma solidity ^0.4.16;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
contract ERC20 {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract ExchangeLikepointToPKC is Ownable {
using SafeMath for uint;
event Deposit(address token, address user, uint256 amount, uint256 balance);
event Withdraw(address token, address user, uint256 amount, uint256 balance);
event SwapLIKE(address token, address token2, address user, uint256 amount, uint256 balanceReturn);
event SwapPKC(address token, address token2, address user, uint256 amount, uint256 balanceReturn);
event Reserve(address token, address user, uint256 amount);
mapping (address => mapping (address => uint256)) public tokens;
address public likepoint;
address public pkc;
uint256 public rate = 100;
function setLikepoint(address setAddr) onlyOwner public returns (bool) {
likepoint = setAddr;
return true;
}
function setPKC(address setAddr) onlyOwner public returns (bool) {
pkc = setAddr;
return true;
}
function setRate(uint256 set) onlyOwner public returns (bool) {
rate = set;
return true;
}
function checkAddressLikepoint(address token) internal view returns (bool) {
if(token == address(likepoint)) {
return true;
}
}
function checkAddressPKC(address token) internal view returns (bool) {
if(token == address(pkc)) {
return true;
}
}
function reserveToken(address token, uint256 amount) onlyOwner public {
tokens[token][this] = tokens[token][this].add(amount);
if(!ERC20(token).transferFrom(msg.sender, this, amount)) revert();
Reserve(token, msg.sender, amount);
}
function withdrawByAdmin(address token, uint256 amount) onlyOwner public returns (bool) {
if (tokens[token][this] < amount) revert();
tokens[token][this] = tokens[token][this].sub(amount);
if (token == address(0)) {
if (!msg.sender.send(amount)) revert();
} else {
if (!ERC20(token).transfer(msg.sender, amount)) revert();
}
return true;
}
function swapLikeToPKC(address token, address token2, uint256 amount) public returns (bool) {
if(!checkAddressLikepoint(token)) revert();
if(!checkAddressPKC(token2)) revert();
tokens[token][this] = tokens[token][this].add(amount);
if(!ERC20(token).transferFrom(msg.sender, this, amount)) revert();
tokens[token2][this] = tokens[token2][this].sub(amount/rate);
if (!ERC20(token2).transfer(msg.sender, amount/rate)) revert();
SwapLIKE(token, token2, msg.sender, amount, amount/rate);
return true;
}
function swapPKCToLike(address token, address token2, uint256 amount) public returns (bool) {
if(!checkAddressPKC(token)) revert();
if(!checkAddressLikepoint(token2)) revert();
tokens[token][this] = tokens[token][this].add(amount);
if(!ERC20(token).transferFrom(msg.sender, this, amount)) revert();
tokens[token2][this] = tokens[token2][this].sub(amount*rate);
if (!ERC20(token2).transfer(msg.sender, amount*rate)) revert();
SwapPKC(token, token2, msg.sender, amount, amount*rate);
return true;
}
}
pragma solidity >=0.4.0 <0.7.0;
contract ERC20 {
function totalSupply() view public returns(uint);
function balanceOf(address _owner) view public returns(uint);
function transfer(address _to, uint _value) public returns(bool);
function approve(address _spender, uint _value) public returns(bool);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function allowance(address _owner, address _spender) view public returns (uint remaining);
}
contract p2ploan {
event Deposit(address erc20, address sender, uint _value);
event WithdrawToken(address erc20, address sender, uint _value);
mapping(address => mapping(address => uint)) public tokens;
mapping(address => mapping(address => uint)) public balances;
mapping(address => mapping(address => uint)) public cumpagun;
mapping(address => lend) public ploan;
mapping(address => bool) public LenderCheck;
mapping(address => bool) public BorrowerCheck;
struct lend {
address borrow;
address lender;
uint amount;
uint interest;
uint total;
uint due;
uint installment;
uint payTotal;
uint lastDay;
address cumpagun;
}
function claim(address _borrower) public{
lend storage x = ploan[_borrower];
if(now > x.lastDay) {
ERC20(x.cumpagun).transfer(x.lender, cumpagun[msg.sender][x.cumpagun]);
cumpagun[msg.sender][x.cumpagun] -= cumpagun[msg.sender][x.cumpagun];
}
}
function installment(address _erc20, uint _amount) public{
require(BorrowerCheck[msg.sender]);
lend storage x = ploan[msg.sender];
if(now > x.lastDay) {
ERC20(x.cumpagun).transfer(x.lender, cumpagun[msg.sender][x.cumpagun]);
cumpagun[msg.sender][x.cumpagun] -= cumpagun[msg.sender][x.cumpagun];
}
require(_amount == x.payTotal);
require(ERC20(_erc20).transferFrom(msg.sender, x.lender, _amount));
x.installment -= 1;
if(x.installment == 0){
ERC20(x.cumpagun).transfer(msg.sender, cumpagun[msg.sender][x.cumpagun]);
cumpagun[msg.sender][x.cumpagun] = 0;
BorrowerCheck[msg.sender] = false;
}
}
function loans(address _erc20Cum , uint amountCum,uint _value, address _lender, uint _installment, uint _interest, address _erc20) public{
require(balances[_lender][_erc20] >= _value);
require(ERC20(_erc20Cum).transferFrom(msg.sender, address(this), amountCum));
require(!LenderCheck[msg.sender]);
cumpagun[msg.sender][_erc20Cum] += amountCum;
lend memory x;
x.borrow = msg.sender;
x.lender = _lender;
x.amount = _value;
x.interest = _interest;
x.due = now;
x.installment = _installment;
x.total = (_value*_interest/100)+_value;
x.payTotal = x.total/_installment;
x.lastDay = now + 180 days;
x.cumpagun = _erc20Cum;
ploan[msg.sender] = x;
balances[_lender][_erc20] -= _value;
BorrowerCheck[msg.sender] = true;
ERC20(_erc20).transfer(msg.sender, _value);
}
function depositToken(address _erc20, uint _value) public{
require(ERC20(_erc20).transferFrom(msg.sender, address(this), _value));
tokens[_erc20][address(this)] += _value;
balances[msg.sender][_erc20] += _value;
LenderCheck[msg.sender] = true;
emit Deposit(_erc20, msg.sender, _value);
}
function Withdraw(address _erc20, uint _value) public {
require(balances[msg.sender][_erc20] >= _value);
require(ERC20(_erc20).transfer(msg.sender, _value));
tokens[_erc20][address(this)] -= _value;
balances[msg.sender][_erc20] -= _value;
emit WithdrawToken(_erc20, msg.sender, _value);
}
}
pragma solidity ^0.4.24;
import "./IERC20contract.sol";
contract Escrow {
uint256 public escrowTime;
constructor(uint256 _escrowTime) public {
escrowTime = _escrowTime;
}
mapping(address => mapping(address => uint256)) public escrowBalance;
mapping(address => mapping(address => uint256)) public escrowExpiration;
function deposit(IERC20Token token, uint256 amount) public {
require(token.transferFrom(msg.sender, this, amount));
escrowBalance[msg.sender][token] += amount;
escrowExpiration[msg.sender][token] = 2**256-1;
}
event StartWithdrawal(address indexed account, address token, uint256 time);
function startWithdrawal(IERC20Token token) public {
uint256 expiration = now + escrowTime;
escrowExpiration[msg.sender][token] = expiration;
emit StartWithdrawal(msg.sender, token, expiration);
}
function withdraw(IERC20Token token) public {
require(now > escrowExpiration[msg.sender][token],
"Funds still in escrow.");
uint256 amount = escrowBalance[msg.sender][token];
escrowBalance[msg.sender][token] = 0;
require(token.transfer(msg.sender, amount));
}
function transfer(
address from,
address to,
IERC20Token token,
uint256 tokens
)
internal
{
require(escrowBalance[from][token] >= tokens, "Insufficient balance.");
escrowBalance[from][token] -= tokens;
escrowBalance[to][token] += tokens;
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract Floor5thShop is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Law coin";
string public symbol = "LC";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
////Contract address => 0x41b7a0ae98212f423c01409c8a3958981d0cc5a3
//// ABI => [ { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transfer", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" } ]
// {
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// "sourceMap": "1660:951:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1660:951:0;;;;;;;"
// }
pragma solidity ^0.4.16;
contract Token {
bytes32 public standard;
bytes32 public name;
bytes32 public symbol;
uint256 public totalSupply;
uint8 public decimals;
bool public allowTransactions;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
function transfer(address _to, uint256 _value) returns (bool success);
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
}
contract Exchange {
function assert(bool assertion) {
if (!assertion) throw;
}
function safeMul(uint a, uint b) returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeSub(uint a, uint b) returns (uint) {
assert(b <= a);
return a - b;
}
function safeAdd(uint a, uint b) returns (uint) {
uint c = a + b;
assert(c>=a && c>=b);
return c;
}
address public owner;
mapping (address => uint256) public invalidOrder;
event SetOwner(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner {
assert(msg.sender == owner);
_;
}
function setOwner(address newOwner) onlyOwner {
SetOwner(owner, newOwner);
owner = newOwner;
}
function getOwner() returns (address out) {
return owner;
}
function invalidateOrdersBefore(address user, uint256 nonce) onlyAdmin {
if (nonce < invalidOrder[user]) throw;
invalidOrder[user] = nonce;
}
mapping (address => mapping (address => uint256)) public tokens; //mapping of token addresses to mapping of account balances
mapping (address => bool) public admins;
mapping (address => uint256) public lastActiveTransaction;
mapping (bytes32 => uint256) public orderFills;
address public feeAccount;
uint256 public inactivityReleasePeriod;
mapping (bytes32 => bool) public traded;
mapping (bytes32 => bool) public withdrawn;
event Order(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, uint256 expires, uint256 nonce, address user, uint8 v, bytes32 r, bytes32 s);
event Cancel(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, uint256 expires, uint256 nonce, address user, uint8 v, bytes32 r, bytes32 s);
event Trade(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, address get, address give);
event Deposit(address token, address user, uint256 amount, uint256 balance);
event Withdraw(address token, address user, uint256 amount, uint256 balance);
function setInactivityReleasePeriod(uint256 expiry) onlyAdmin returns (bool success) {
if (expiry > 1000000) throw;
inactivityReleasePeriod = expiry;
return true;
}
function Exchange(address feeAccount_) {
owner = msg.sender;
feeAccount = feeAccount_;
inactivityReleasePeriod = 100000;
}
function setAdmin(address admin, bool isAdmin) onlyOwner {
admins[admin] = isAdmin;
}
modifier onlyAdmin {
if (msg.sender != owner && !admins[msg.sender]) throw;
_;
}
function() external {
throw;
}
function depositToken(address token, uint256 amount) {
tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount);
lastActiveTransaction[msg.sender] = block.number;
if (!Token(token).transferFrom(msg.sender, this, amount)) throw;
Deposit(token, msg.sender, amount, tokens[token][msg.sender]);
}
function deposit() payable {
tokens[address(0)][msg.sender] = safeAdd(tokens[address(0)][msg.sender], msg.value);
lastActiveTransaction[msg.sender] = block.number;
Deposit(address(0), msg.sender, msg.value, tokens[address(0)][msg.sender]);
}
function withdraw(address token, uint256 amount) returns (bool success) {
if (safeSub(block.number, lastActiveTransaction[msg.sender]) < inactivityReleasePeriod) throw;
if (tokens[token][msg.sender] < amount) throw;
tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount);
if (token == address(0)) {
if (!msg.sender.send(amount)) throw;
} else {
if (!Token(token).transfer(msg.sender, amount)) throw;
}
Withdraw(token, msg.sender, amount, tokens[token][msg.sender]);
}
function adminWithdraw(address token, uint256 amount, address user, uint256 nonce, uint8 v, bytes32 r, bytes32 s, uint256 feeWithdrawal) onlyAdmin returns (bool success) {
bytes32 hash = keccak256(this, token, amount, user, nonce);
if (withdrawn[hash]) throw;
withdrawn[hash] = true;
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", hash), v, r, s) != user) throw;
if (feeWithdrawal > 50 finney) feeWithdrawal = 50 finney;
if (tokens[token][user] < amount) throw;
tokens[token][user] = safeSub(tokens[token][user], amount);
tokens[token][feeAccount] = safeAdd(tokens[token][feeAccount], safeMul(feeWithdrawal, amount) / 1 ether);
amount = safeMul((1 ether - feeWithdrawal), amount) / 1 ether;
if (token == address(0)) {
if (!user.send(amount)) throw;
} else {
if (!Token(token).transfer(user, amount)) throw;
}
lastActiveTransaction[user] = block.number;
Withdraw(token, user, amount, tokens[token][user]);
}
function balanceOf(address token, address user) constant returns (uint256) {
return tokens[token][user];
}
function trade(uint256[8] tradeValues, address[4] tradeAddresses, uint8[2] v, bytes32[4] rs) onlyAdmin returns (bool success) {
/* amount is in amountBuy terms */
/* tradeValues
[0] amountBuy
[1] amountSell
[2] expires
[3] nonce
[4] amount
[5] tradeNonce
[6] feeMake
[7] feeTake
tradeAddressses
[0] tokenBuy
[1] tokenSell
[2] maker
[3] taker
*/
if (invalidOrder[tradeAddresses[2]] > tradeValues[3]) throw;
bytes32 orderHash = keccak256(this, tradeAddresses[0], tradeValues[0], tradeAddresses[1], tradeValues[1], tradeValues[2], tradeValues[3], tradeAddresses[2]);
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", orderHash), v[0], rs[0], rs[1]) != tradeAddresses[2]) throw;
bytes32 tradeHash = keccak256(orderHash, tradeValues[4], tradeAddresses[3], tradeValues[5]);
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", tradeHash), v[1], rs[2], rs[3]) != tradeAddresses[3]) throw;
if (traded[tradeHash]) throw;
traded[tradeHash] = true;
if (tradeValues[6] > 100 finney) tradeValues[6] = 100 finney;
if (tradeValues[7] > 100 finney) tradeValues[7] = 100 finney;
if (safeAdd(orderFills[orderHash], tradeValues[4]) > tradeValues[0]) throw;
if (tokens[tradeAddresses[0]][tradeAddresses[3]] < tradeValues[4]) throw;
if (tokens[tradeAddresses[1]][tradeAddresses[2]] < (safeMul(tradeValues[1], tradeValues[4]) / tradeValues[0])) throw;
tokens[tradeAddresses[0]][tradeAddresses[3]] = safeSub(tokens[tradeAddresses[0]][tradeAddresses[3]], tradeValues[4]);
tokens[tradeAddresses[0]][tradeAddresses[2]] = safeAdd(tokens[tradeAddresses[0]][tradeAddresses[2]], safeMul(tradeValues[4], ((1 ether) - tradeValues[6])) / (1 ether));
tokens[tradeAddresses[0]][feeAccount] = safeAdd(tokens[tradeAddresses[0]][feeAccount], safeMul(tradeValues[4], tradeValues[6]) / (1 ether));
tokens[tradeAddresses[1]][tradeAddresses[2]] = safeSub(tokens[tradeAddresses[1]][tradeAddresses[2]], safeMul(tradeValues[1], tradeValues[4]) / tradeValues[0]);
tokens[tradeAddresses[1]][tradeAddresses[3]] = safeAdd(tokens[tradeAddresses[1]][tradeAddresses[3]], safeMul(safeMul(((1 ether) - tradeValues[7]), tradeValues[1]), tradeValues[4]) / tradeValues[0] / (1 ether));
tokens[tradeAddresses[1]][feeAccount] = safeAdd(tokens[tradeAddresses[1]][feeAccount], safeMul(safeMul(tradeValues[7], tradeValues[1]), tradeValues[4]) / tradeValues[0] / (1 ether));
orderFills[orderHash] = safeAdd(orderFills[orderHash], tradeValues[4]);
lastActiveTransaction[tradeAddresses[2]] = block.number;
lastActiveTransaction[tradeAddresses[3]] = block.number;
}
}
pragma solidity ^0.4.21;
/**
* @title IERC20Token - ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract IERC20Token {
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
function balanceOf(address _owner) public constant 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 constant returns (uint256 remaining);
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 p2ploans {
struct loans {
uint256 installments;
address borrower;
uint256 interest;
uint256 total;
uint256 exp;
}
mapping(address => uint256) public balances;
mapping(address => bool) public borrower;
mapping(address => loans) public borrower_loans;
function deposit() payable public returns(bool) {
balances[msg.sender] += msg.value;
if(borrower[msg.sender] == true)
{
if(borrower_loans[msg.sender].installments == 1 && msg.value < borrower_loans[msg.sender].total){
revert();
}
if(now <= borrower_loans[msg.sender].exp){
borrower_loans[msg.sender].installments -= 1;
borrower_loans[msg.sender].total -= msg.value;
if(borrower_loans[msg.sender].installments == 0 && borrower_loans[msg.sender].total <=0){
borrower[msg.sender] = false;
}
}else{
borrower_loans[msg.sender].installments -= 1;
borrower_loans[msg.sender].total -= msg.value;
}
}
return true;
}
function checkBalance() public view returns(uint256){
return balances[msg.sender];
}
function withdraw(uint256 value) public returns(bool) {
require(value <= balances[msg.sender]);
balances[msg.sender] -= value;
msg.sender.transfer(value);
return true;
}
function createLoans(uint256 value, uint256 installments) public returns (bool){
require(address(this).balance >= value);
loans memory lo;
lo.installments = installments;
lo.borrower = msg.sender;
lo.interest = 3;
lo.total = value;
lo.exp = now + 1 weeks;
borrower[msg.sender] = true;
borrower_loans[msg.sender] = lo;
msg.sender.transfer(value);
return true;
}
function installments(uint256 value) public returns (bool) {
}
function() payable external {deposit();}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event BurnToken(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
function burnToken(uint _amount) returns (bool) {
totalSupply = totalSupply.sub(_amount);
balances[msg.sender] = balances[msg.sender].sub(_amount);
require(balances[msg.sender] >= 0);
BurnToken(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract LIKEPOINT is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Loyalty Inspiration Token";
string public symbol = "LIKE";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event BurnToken(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
function burnToken(uint _amount) returns (bool) {
totalSupply = totalSupply.sub(_amount);
balances[msg.sender] = balances[msg.sender].sub(_amount);
require(balances[msg.sender] >= 0);
BurnToken(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract Editor by Cyphermines
*/
contract LIKETOKEN is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Loyalty Inspiration Token";
string public symbol = "LIKE";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event Burn(address indexed burner, uint256 value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
balances[_who] = balances[_who].sub(_value);
totalSupply = totalSupply.sub(_value);
Burn(_who, _value);
Transfer(_who, address(0), _value);
}
function burnFrom(address _from, uint256 _value) public {
require(_value <= allowed[_from][msg.sender]);
// Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted,
// this function needs to emit an event with the updated approval.
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
_burn(_from, _value);
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract LIKETOKEN is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Loyalty Inspiration Token";
string public symbol = "LIKE";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
////Contract address => 0x41b7a0ae98212f423c01409c8a3958981d0cc5a3
//// ABI => [ { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transfer", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" } ]
// {
// "linkReferences": {},
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// "sourceMap": "1660:951:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1660:951:0;;;;;;;"
// }
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event BurnToken(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
function burnToken(uint _amount) returns (bool) {
totalSupply = totalSupply.sub(_amount);
balances[msg.sender] = balances[msg.sender].sub(_amount);
require(balances[msg.sender] >= 0);
BurnToken(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract LIKEPOINT is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Loyalty Inspiration Token";
string public symbol = "LIKE";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
pragma solidity ^0.5.0;
/**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/
library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev Give an account access to this role.
*/
function add(Role storage role, address account) internal {
require(!has(role, account), "Roles: account already has role");
role.bearer[account] = true;
}
/**
* @dev Remove an account's access to this role.
*/
function remove(Role storage role, address account) internal {
require(has(role, account), "Roles: account does not have role");
role.bearer[account] = false;
}
/**
* @dev Check if an account has this role.
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0), "Roles: account is the zero address");
return role.bearer[account];
}
}
/**
* Utility library of inline functions on addresses
*/
library Address {
/**
* Returns whether the target address is a contract
* @dev This function will return false if invoked during the constructor of a contract,
* as the code is not actually created until after the constructor finishes.
* @param account address of the account to check
* @return whether the target address is a contract
*/
function isContract(address account) internal view returns (bool) {
uint256 size;
// XXX Currently there is no better way to check if there is a contract in an address
// than to check the size of the code at that address.
// See https://ethereum.stackexchange.com/a/14016/36603
// for more details about how this works.
// TODO Check this again before the Serenity release, because all addresses will be
// contracts then.
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
// solhint-disable-next-line max-line-length
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error.
*/
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, "SafeMath: division by zero");
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath: modulo by zero");
return a % b;
}
}
/**
* @title ERC20 interface
* @dev see https://eips.ethereum.org/EIPS/eip-20
*/
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);
}
/**
* @title ERC20Detailed token
* @dev The decimals are only for visualization purposes.
* All the operations are done using the smallest and indivisible token unit,
* just as on Ethereum all the operations are done in wei.
*/
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;
}
/**
* @return the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @return the symbol of the token.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @return the number of decimals of the token.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
}
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), "MinterRole: caller does not have the Minter role");
_;
}
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);
}
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://eips.ethereum.org/EIPS/eip-20
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev Transfer token to a specified address.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_transfer(from, to, value);
_approve(from, msg.sender, _allowances[from][msg.sender].sub(value));
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when _allowances[msg.sender][spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when _allowances[msg.sender][spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Transfer token for a specified addresses.
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Approve an address to spend another addresses' tokens.
* @param owner The address that owns the tokens.
* @param spender The address that will spend the tokens.
* @param value The number of tokens that can be spent.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_burn(account, value);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(value));
}
}
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), "PauserRole: caller does not have the Pauser role");
_;
}
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);
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
/**
* @return True if the contract is paused, false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused, "Pausable: paused");
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused, "Pausable: not paused");
_;
}
/**
* @dev Called by a pauser to pause, triggers stopped state.
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev Called by a pauser to unpause, returns to normal state.
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
}
/**
* @title Pausable token
* @dev ERC20 modified with pausable transfers.
*/
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) {
return super.increaseAllowance(spender, addedValue);
}
function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool) {
return super.decreaseAllowance(spender, subtractedValue);
}
}
/**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/
contract ERC20Burnable is ERC20 {
/**
* @dev Burns a specific amount of tokens.
* @param value The amount of token to be burned.
*/
function burn(uint256 value) public {
_burn(msg.sender, value);
}
/**
* @dev Burns a specific amount of tokens from the target address and decrements allowance.
* @param from address The account whose tokens will be burned.
* @param value uint256 The amount of token to be burned.
*/
function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
}
/**
* @title ERC20Mintable
* @dev ERC20 minting logic.
*/
contract ERC20Mintable is ERC20, MinterRole {
/**
* @dev Function to mint tokens
* @param to The address that will receive the minted tokens.
* @param value The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address to, uint256 value) public onlyMinter returns (bool) {
_mint(to, value);
return true;
}
}
/**
* @title Capped token
* @dev Mintable token with a token cap.
*/
contract ERC20Capped is ERC20Mintable {
uint256 private _cap;
constructor (uint256 cap) public {
require(cap > 0, "ERC20Capped: cap is 0");
_cap = cap;
}
/**
* @return the cap for the token minting.
*/
function cap() public view returns (uint256) {
return _cap;
}
function _mint(address account, uint256 value) internal {
require(totalSupply().add(value) <= _cap, "ERC20Capped: cap exceeded");
super._mint(account, value);
}
}
pragma solidity ^0.4.19;
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) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
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 ERC20_Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract Ownable {
address public owner;
address public waitNewOwner;
event transferOwner(address newOwner);
function Ownable() public{
owner = msg.sender;
}
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner == msg.sender);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
* and safe new contract new owner will be accept owner
*/
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
waitNewOwner = newOwner;
}
}
/**
* this function accept when transfer to new owner and new owner will be accept owner for safe contract free owner
*/
function acceptOwnership() public {
if(waitNewOwner == msg.sender) {
owner = msg.sender;
transferOwner(msg.sender);
}else{
revert();
}
}
}
contract LockERC20 is Ownable{
struct lockToken {
address token;
uint256 expire;
uint256 block;
uint256 amount;
}
using SafeMath for uint;
// mapping (address => mapping (address => uint256)) public tokens;
mapping (address => mapping(address => lockToken)) public tokens;
mapping (address => uint256) public balanceToken;
event DepositToken(address contractAddress, address sender, uint256 amount, uint256 expire);
event WithdrawToken(address contractAddress, address sender, uint256 amount);
event AdminWithdrawToken(address contractAddress, address sender, uint256 amount, string message);
function depositToken(address likeAddr, uint amount, uint256 expire) public {
if(amount > ERC20_Interface(likeAddr).allowance(msg.sender, address(this))) {
revert();
}
ERC20_Interface(likeAddr).transferFrom(msg.sender, address(this), amount);
lockToken memory tokenData = tokens[likeAddr][msg.sender];
tokenData.token = likeAddr;
tokenData.expire = now+expire;
tokenData.block = block.number;
tokenData.amount += amount;
tokens[likeAddr][msg.sender] = tokenData;
balanceToken[likeAddr] = balanceToken[likeAddr].add(amount);
DepositToken(likeAddr, msg.sender, amount, expire);
}
function withdrawToken(address likeAddr, uint amount) public {
lockToken memory tokenData = tokens[likeAddr][msg.sender];
require(now > tokenData.expire);
require(amount <= tokenData.amount);
tokenData.amount -= amount;
tokens[likeAddr][msg.sender] = tokenData;
balanceToken[likeAddr]= balanceToken[likeAddr].sub(amount);
ERC20_Interface(likeAddr).transfer(msg.sender, amount);
WithdrawToken(likeAddr, msg.sender, amount);
}
function adminWithdrawToken(address likeAddr, uint amount, string message) onlyOwner public {
require(amount <= balanceToken[likeAddr]);
balanceToken[likeAddr] = balanceToken[likeAddr].sub(amount);
ERC20_Interface(likeAddr).transfer(msg.sender, amount);
AdminWithdrawToken(likeAddr, msg.sender, amount, message);
}
}
pragma solidity ^0.5.0;
pragma experimental ABIEncoderV2;
import "github.com/oraclize/ethereum-api/provableAPI.sol";
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) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal 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;
}
function assert(bool assertion) internal pure {
if (!assertion) {
revert();
}
}
}
contract IERC20Token {
string public name;
string public symbol;
uint8 public decimals;
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 PowerballNumber is usingProvable {
string public ETHUSD;
event LogConstructorInitiated(string nextStep);
event LogPriceUpdated(string price);
event LogNewProvableQuery(string description);
mapping (bytes32 => bool) public pendingQueries;
constructor() public payable {
emit LogConstructorInitiated("Constructor was initiated. Call 'updatePrice()' to send the Provable Query.");
}
function __callback(bytes32 myid, string memory result) public {
if (msg.sender != provable_cbAddress()) revert();
require (pendingQueries[myid] == true);
ETHUSD = result;
emit LogPriceUpdated(result);
delete pendingQueries[myid]; // This effectively marks the query id as processed.
}
function updatePrice() public payable {
if (provable_getPrice("URL") > address(this).balance) {
emit LogNewProvableQuery("Provable query was NOT sent, please add some ETH to cover for the query fee");
} else {
emit LogNewProvableQuery("Provable query was sent, standing by for the answer..");
bytes32 queryId = provable_query("URL", "json(https://56cxlvq4g2.execute-api.ap-southeast-1.amazonaws.com/1).statusCode");
pendingQueries[queryId] = true;
}
}
}
contract LuckyNumber is PowerballNumber {
using SafeMath for uint;
address public token = 0x41B7a0ae98212F423C01409c8A3958981d0Cc5A3;
struct lottoNumber{
string numbers;
}
mapping(address => lottoNumber[]) luckyman;
function checkPermission() public returns(uint balances){
balances = IERC20Token(token).balanceOf(msg.sender);
return balances.div(2);
}
function guessNumber(string memory number) public returns(bool status){
luckyman[msg.sender].push(lottoNumber(number));
return true;
}
function getGuess() public view returns(string[] memory x) {
string[] memory GuessOwner;
for(uint i=0;i<luckyman[msg.sender].length;i++){
GuessOwner[i] = luckyman[msg.sender][i].numbers;
// if( keccak256(abi.encodePacked(luckyman[msg.sender][i].numbers)) == keccak256(abi.encodePacked(ETHUSD))) {
// return "your winner";
// }else{
// }
}
return GuessOwner;
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract MANTOKEN is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "MANZER";
string public symbol = "MAN";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
////Contract address => 0x41b7a0ae98212f423c01409c8a3958981d0cc5a3
//// ABI => [ { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transfer", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" } ]
// {
// "linkReferences": {},
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// "sourceMap": "1660:951:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1660:951:0;;;;;;;"
// }
pragma solidity ^0.4.11;
import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";
contract ExampleContract is usingOraclize {
string public ETHUSD;
event LogConstructorInitiated(string nextStep);
event LogPriceUpdated(string price);
event LogNewOraclizeQuery(string description);
function ExampleContract() payable {
LogConstructorInitiated("Constructor was initiated. Call 'updatePrice()' to send the Oraclize Query.");
}
function __callback(bytes32 myid, string result) {
if (msg.sender != oraclize_cbAddress()) revert();
ETHUSD = result;
LogPriceUpdated(result);
}
function updatePrice() payable {
if (oraclize_getPrice("URL") > this.balance) {
LogNewOraclizeQuery("Oraclize query was NOT sent, please add some ETH to cover for the query fee");
} else {
LogNewOraclizeQuery("Oraclize query was sent, standing by for the answer..");
oraclize_query("URL", "json(https://api.pro.coinbase.com/products/ETH-USD/ticker).price");
}
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event BurnToken(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
function burnToken(uint _amount) returns (bool) {
totalSupply = totalSupply.sub(_amount);
balances[msg.sender] = balances[msg.sender].sub(_amount);
require(balances[msg.sender] >= 0);
BurnToken(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract PKC is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Prachakij coin";
string public symbol = "PKC";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
pragma solidity >=0.4.0 <0.7.0;
contract Loans {
struct lend {
address borrower;
address payable lender;
uint amount;
uint total;
uint installment;
uint due;
address tx;
uint interest;
uint datePay;
bool cosigner;
}
mapping(address => uint) public balances;
mapping(address => bool) public Lender;
mapping(address => bool) public Borrower;
mapping(address => bool) public cosigner;
mapping(address => lend) public contractCheck;
function deposit() internal {
balances[msg.sender] += msg.value;
Lender[msg.sender] = true;
}
function payLender() internal {
lend memory x = contractCheck[msg.sender];
if(x.installment == 1){
require(msg.value == x.total);
x.lender.transfer(msg.value);
x.installment -= 1;
x.total -= msg.value;
Borrower[msg.sender] = false;
contractCheck[msg.sender] = x;
}else{
x.lender.transfer(msg.value);
x.installment -= 1;
x.total -= msg.value;
contractCheck[msg.sender] = x;
}
}
function loan(uint _amount, uint _installment, uint _interest, address payable _lender, uint _datePay) public returns (bool){
require(Lender[_lender]);
require(balances[_lender] >= _amount);
require(!Borrower[msg.sender], 'this borrower is loan');
lend memory contractL;
contractL.borrower = msg.sender;
contractL.lender = _lender;
contractL.amount = _amount;
contractL.installment = _installment;
contractL.due = now;
contractL.tx = tx.origin;
contractL.interest = _interest;
contractL.datePay = _datePay;
contractL.total = (_amount*_interest/100)+_amount;
contractCheck[msg.sender] = contractL;
Borrower[msg.sender] = true;
msg.sender.transfer(_amount);
return true;
}
function () external payable {
if(Borrower[msg.sender]){
payLender();
}else{
deposit();
}
}
}
pragma solidity ^0.4.16;
contract Token {
bytes32 public standard;
bytes32 public name;
bytes32 public symbol;
uint256 public totalSupply;
uint8 public decimals;
bool public allowTransactions;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
function transfer(address _to, uint256 _value) returns (bool success);
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
}
contract Exchange {
function assert(bool assertion) {
if (!assertion) throw;
}
function safeMul(uint a, uint b) returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeSub(uint a, uint b) returns (uint) {
assert(b <= a);
return a - b;
}
function safeAdd(uint a, uint b) returns (uint) {
uint c = a + b;
assert(c>=a && c>=b);
return c;
}
address public owner;
mapping (address => uint256) public invalidOrder;
event SetOwner(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner {
assert(msg.sender == owner);
_;
}
function setOwner(address newOwner) onlyOwner {
SetOwner(owner, newOwner);
owner = newOwner;
}
function getOwner() returns (address out) {
return owner;
}
function invalidateOrdersBefore(address user, uint256 nonce) onlyAdmin {
if (nonce < invalidOrder[user]) throw;
invalidOrder[user] = nonce;
}
mapping (address => mapping (address => uint256)) public tokens; //mapping of token addresses to mapping of account balances
mapping (address => bool) public admins;
mapping (address => uint256) public lastActiveTransaction;
mapping (bytes32 => uint256) public orderFills;
address public feeAccount;
uint256 public inactivityReleasePeriod;
mapping (bytes32 => bool) public traded;
mapping (bytes32 => bool) public withdrawn;
event Order(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, uint256 expires, uint256 nonce, address user, uint8 v, bytes32 r, bytes32 s);
event Cancel(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, uint256 expires, uint256 nonce, address user, uint8 v, bytes32 r, bytes32 s);
event Trade(address tokenBuy, uint256 amountBuy, address tokenSell, uint256 amountSell, address get, address give);
event Deposit(address token, address user, uint256 amount, uint256 balance);
event Withdraw(address token, address user, uint256 amount, uint256 balance);
function setInactivityReleasePeriod(uint256 expiry) onlyAdmin returns (bool success) {
if (expiry > 1000000) throw;
inactivityReleasePeriod = expiry;
return true;
}
function Exchange(address feeAccount_) {
owner = msg.sender;
feeAccount = feeAccount_;
inactivityReleasePeriod = 100000;
}
function setAdmin(address admin, bool isAdmin) onlyOwner {
admins[admin] = isAdmin;
}
modifier onlyAdmin {
if (msg.sender != owner && !admins[msg.sender]) throw;
_;
}
function() external {
throw;
}
function depositToken(address token, uint256 amount) {
tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount);
lastActiveTransaction[msg.sender] = block.number;
if (!Token(token).transferFrom(msg.sender, this, amount)) throw;
Deposit(token, msg.sender, amount, tokens[token][msg.sender]);
}
function deposit() payable {
tokens[address(0)][msg.sender] = safeAdd(tokens[address(0)][msg.sender], msg.value);
lastActiveTransaction[msg.sender] = block.number;
Deposit(address(0), msg.sender, msg.value, tokens[address(0)][msg.sender]);
}
function withdraw(address token, uint256 amount) returns (bool success) {
if (safeSub(block.number, lastActiveTransaction[msg.sender]) < inactivityReleasePeriod) throw;
if (tokens[token][msg.sender] < amount) throw;
tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount);
if (token == address(0)) {
if (!msg.sender.send(amount)) throw;
} else {
if (!Token(token).transfer(msg.sender, amount)) throw;
}
Withdraw(token, msg.sender, amount, tokens[token][msg.sender]);
}
function adminWithdraw(address token, uint256 amount, address user, uint256 nonce, uint8 v, bytes32 r, bytes32 s, uint256 feeWithdrawal) onlyAdmin returns (bool success) {
bytes32 hash = keccak256(this, token, amount, user, nonce);
if (withdrawn[hash]) throw;
withdrawn[hash] = true;
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", hash), v, r, s) != user) throw;
if (feeWithdrawal > 50 finney) feeWithdrawal = 50 finney;
if (tokens[token][user] < amount) throw;
tokens[token][user] = safeSub(tokens[token][user], amount);
tokens[token][feeAccount] = safeAdd(tokens[token][feeAccount], safeMul(feeWithdrawal, amount) / 1 ether);
amount = safeMul((1 ether - feeWithdrawal), amount) / 1 ether;
if (token == address(0)) {
if (!user.send(amount)) throw;
} else {
if (!Token(token).transfer(user, amount)) throw;
}
lastActiveTransaction[user] = block.number;
Withdraw(token, user, amount, tokens[token][user]);
}
function balanceOf(address token, address user) constant returns (uint256) {
return tokens[token][user];
}
function trade(uint256[8] tradeValues, address[4] tradeAddresses, uint8[2] v, bytes32[4] rs) onlyAdmin returns (bool success) {
/* amount is in amountBuy terms */
/* tradeValues
[0] amountBuy
[1] amountSell
[2] expires
[3] nonce
[4] amount
[5] tradeNonce
[6] feeMake
[7] feeTake
tradeAddressses
[0] tokenBuy
[1] tokenSell
[2] maker
[3] taker
*/
if (invalidOrder[tradeAddresses[2]] > tradeValues[3]) throw;
bytes32 orderHash = keccak256(this, tradeAddresses[0], tradeValues[0], tradeAddresses[1], tradeValues[1], tradeValues[2], tradeValues[3], tradeAddresses[2]);
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", orderHash), v[0], rs[0], rs[1]) != tradeAddresses[2]) throw;
bytes32 tradeHash = keccak256(orderHash, tradeValues[4], tradeAddresses[3], tradeValues[5]);
if (ecrecover(keccak256("\x19Ethereum Signed Message:\n32", tradeHash), v[1], rs[2], rs[3]) != tradeAddresses[3]) throw;
if (traded[tradeHash]) throw;
traded[tradeHash] = true;
if (tradeValues[6] > 100 finney) tradeValues[6] = 100 finney;
if (tradeValues[7] > 100 finney) tradeValues[7] = 100 finney;
if (safeAdd(orderFills[orderHash], tradeValues[4]) > tradeValues[0]) throw;
if (tokens[tradeAddresses[0]][tradeAddresses[3]] < tradeValues[4]) throw;
if (tokens[tradeAddresses[1]][tradeAddresses[2]] < (safeMul(tradeValues[1], tradeValues[4]) / tradeValues[0])) throw;
tokens[tradeAddresses[0]][tradeAddresses[3]] = safeSub(tokens[tradeAddresses[0]][tradeAddresses[3]], tradeValues[4]);
tokens[tradeAddresses[0]][tradeAddresses[2]] = safeAdd(tokens[tradeAddresses[0]][tradeAddresses[2]], safeMul(tradeValues[4], ((1 ether) - tradeValues[6])) / (1 ether));
tokens[tradeAddresses[0]][feeAccount] = safeAdd(tokens[tradeAddresses[0]][feeAccount], safeMul(tradeValues[4], tradeValues[6]) / (1 ether));
tokens[tradeAddresses[1]][tradeAddresses[2]] = safeSub(tokens[tradeAddresses[1]][tradeAddresses[2]], safeMul(tradeValues[1], tradeValues[4]) / tradeValues[0]);
tokens[tradeAddresses[1]][tradeAddresses[3]] = safeAdd(tokens[tradeAddresses[1]][tradeAddresses[3]], safeMul(safeMul(((1 ether) - tradeValues[7]), tradeValues[1]), tradeValues[4]) / tradeValues[0] / (1 ether));
tokens[tradeAddresses[1]][feeAccount] = safeAdd(tokens[tradeAddresses[1]][feeAccount], safeMul(safeMul(tradeValues[7], tradeValues[1]), tradeValues[4]) / tradeValues[0] / (1 ether));
orderFills[orderHash] = safeAdd(orderFills[orderHash], tradeValues[4]);
lastActiveTransaction[tradeAddresses[2]] = block.number;
lastActiveTransaction[tradeAddresses[3]] = block.number;
}
}
pragma solidity ^0.4.11;
/**
* Math operations with safety checks
*/
library SafeMath {
function mul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint a, uint b) internal returns (uint) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function add(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20Basic {
uint public totalSupply;
function balanceOf(address who) constant returns (uint);
function transfer(address to, uint value);
event Transfer(address indexed from, address indexed to, uint value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
throw;
}
_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint);
function transferFrom(address from, address to, uint value);
function approve(address spender, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
/**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) throw;
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintMore(address indexed to, uint value);
event BurnToken(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) throw;
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
function addMint(uint _amount) onlyOwner returns (bool){
totalSupply = totalSupply.add(_amount);
balances[msg.sender] = balances[msg.sender].add(_amount);
MintMore(msg.sender, _amount);
return true;
}
function burnToken(uint _amount) returns (bool) {
totalSupply = totalSupply.sub(_amount);
balances[msg.sender] = balances[msg.sender].sub(_amount);
require(balances[msg.sender] >= 0);
BurnToken(msg.sender, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) throw;
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) throw;
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
}
/**
* Pausable token
*
* Simple ERC20 Token example, with pausable token creation
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint _value) whenNotPaused {
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) whenNotPaused {
super.transferFrom(_from, _to, _value);
}
}
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/
contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
}
/**
* @title OMGToken
* @dev Omise Go Token contract
*/
contract LIKEPOINT is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "Loyalty Inspiration Token";
string public symbol = "LIKE";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
}
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