21 lines
386 B
Solidity
21 lines
386 B
Solidity
pragma solidity ^0.4.4;
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import '../PullPayment.sol';
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contract PullPaymentBid is PullPayment {
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address public highestBidder;
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uint public highestBid;
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function bid() external payable {
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if (msg.value <= highestBid) throw;
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if (highestBidder != 0) {
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asyncSend(highestBidder, highestBid);
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}
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highestBidder = msg.sender;
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highestBid = msg.value;
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}
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}
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