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Fix reentrancy in vulnerable.sol #11

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Fix reentrancy in vulnerable.sol #11

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2 changes: 1 addition & 1 deletion reentrancy-warmup/vulnerable.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ contract TestToken {

function withdraw(uint256 _value) payable returns (bool success) {
if (balances[msg.sender] < _value) return false;
msg.sender.call.value(_value)();
msg.sender.transfer(_value);
balances[msg.sender] -= _value;
total -= _value;
return true;
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