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Fix code

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This commit is contained in:
Denton Liu 2016-08-12 11:07:02 -04:00
parent 269a6d1379
commit 0b3ad9262c
1 changed files with 6 additions and 6 deletions
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docs/common-patterns.rst
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@ -32,7 +32,7 @@ become the new richest.
address public richest; address public richest;
uint public mostSent; uint public mostSent;
mapping (address => uint) pending; mapping (address => uint) pendingWithdrawals;
function WithdrawalContract() { function WithdrawalContract() {
richest = msg.sender; richest = msg.sender;
@ -41,7 +41,7 @@ become the new richest.
function becomeRichest() returns (bool) { function becomeRichest() returns (bool) {
if (msg.value > mostSent) { if (msg.value > mostSent) {
pending[richest] = msg.value; pendingWithdrawals[richest] += msg.value;
richest = msg.sender; richest = msg.sender;
mostSent = msg.value; mostSent = msg.value;
return true; return true;
@ -52,10 +52,10 @@ become the new richest.
} }
function withdraw() { function withdraw() {
uint amount = pending[msg.sender]; uint amount = pendingWithdrawals[msg.sender];
// Remember to zero the pending refund before sending // Remember to zero the pending refund before
// to prevent re-entrancy attacks // sending to prevent re-entrancy attacks
pending[msg.sender] = 0; pendingWithdrawals[msg.sender] = 0;
if (!msg.sender.send(amount)) { if (!msg.sender.send(amount)) {
throw; throw;
} }