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24 lines
511 B
24 lines
511 B
contract GoodPullPayments {
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address highestBidder;
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uint highestBid;
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mapping(address => uint) refunds;
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function bid() external {
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if (msg.value < highestBid) throw;
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if (highestBidder != 0) {
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refunds[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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function withdrawBid() external {
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uint refund = refunds[msg.sender];
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refunds[msg.sender] = 0;
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if (!msg.sender.send(refund)) {
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refunds[msg.sender] = refund;
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}
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}
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}
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