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Updates to examples.

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chriseth 2018-09-13 18:04:49 +02:00 committed by GitHub
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docs/solidity-by-example.rst
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@ -220,7 +220,7 @@ bid. If the highest bid is raised, the previously
highest bidder gets her money back. highest bidder gets her money back.
After the end of the bidding period, the After the end of the bidding period, the
contract has to be called manually for the contract has to be called manually for the
beneficiary to receive his money - contracts cannot beneficiary to receive their money - contracts cannot
activate themselves. activate themselves.
:: ::
@ -241,10 +241,11 @@ activate themselves.
// Allowed withdrawals of previous bids // Allowed withdrawals of previous bids
mapping(address => uint) pendingReturns; mapping(address => uint) pendingReturns;
// Set to true at the end, disallows any change // Set to true at the end, disallows any change.
// By defaul initialized to `false`.
bool ended; bool ended;
// Events that will be fired on changes. // Events that will be emitted on changes.
event HighestBidIncreased(address bidder, uint amount); event HighestBidIncreased(address bidder, uint amount);
event AuctionEnded(address winner, uint amount); event AuctionEnded(address winner, uint amount);
@ -372,7 +373,7 @@ is the same as the one provided during the bidding period.
Another challenge is how to make the auction Another challenge is how to make the auction
**binding and blind** at the same time: The only way to **binding and blind** at the same time: The only way to
prevent the bidder from just not sending the money prevent the bidder from just not sending the money
after he won the auction is to make her send it after they won the auction is to make her send it
together with the bid. Since value transfers cannot together with the bid. Since value transfers cannot
be blinded in Ethereum, anyone can see the value. be blinded in Ethereum, anyone can see the value.