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40 lines
954 B
40 lines
954 B
pragma solidity ^0.4.18;
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import "../../math/SafeMath.sol";
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import "../../ownership/Ownable.sol";
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import "../validation/TimedCrowdsale.sol";
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/**
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* @title FinalizableCrowdsale
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* @dev Extension of Crowdsale where an owner can do extra work
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* after finishing.
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*/
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contract FinalizableCrowdsale is TimedCrowdsale, Ownable {
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using SafeMath for uint256;
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bool public isFinalized = false;
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event Finalized();
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/**
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* @dev Must be called after crowdsale ends, to do some extra finalization
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* work. Calls the contract's finalization function.
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*/
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function finalize() onlyOwner public {
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require(!isFinalized);
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require(hasClosed());
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finalization();
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Finalized();
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isFinalized = true;
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}
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/**
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* @dev Can be overridden to add finalization logic. The overriding function
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* should call super.finalization() to ensure the chain of finalization is
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* executed entirely.
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*/
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function finalization() internal {
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}
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}
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