Files
openzeppelin-contracts/contracts/examples/PullPaymentBid.sol
2016-12-19 17:43:02 -03:00

21 lines
378 B
Solidity

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