mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
42 lines
945 B
Solidity
42 lines
945 B
Solidity
pragma solidity ^0.4.11;
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import './ERC20Basic.sol';
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/**
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* @title TokenTimelock
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* @dev TokenTimelock is a token holder contract that will allow a
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* beneficiary to extract the tokens after a given release time
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*/
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contract TokenTimelock {
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// ERC20 basic token contract being held
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ERC20Basic token;
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// beneficiary of tokens after they are released
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address beneficiary;
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// timestamp when token release is enabled
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uint releaseTime;
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constructor(ERC20Basic _token, address _beneficiary, uint _releaseTime) public {
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require(_releaseTime > now);
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token = _token;
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beneficiary = _beneficiary;
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releaseTime = _releaseTime;
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}
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/**
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* @dev beneficiary claims tokens held by time lock
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*/
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function claim() public {
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require(msg.sender == beneficiary);
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require(now >= releaseTime);
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uint amount = token.balanceOf(address(this));
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require(amount > 0);
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token.transfer(beneficiary, amount);
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}
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}
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