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Shave off an SLOAD op in ReentrancyGuard.

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Lawrence 2019-03-14 15:48:38 -04:00 committed by Amir Bandeali
parent e6971c45c8
commit 620eb2a3be
1 changed files with 2 additions and 4 deletions
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6
contracts/utils/contracts/src/ReentrancyGuard.sol
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@ -27,10 +27,8 @@ contract ReentrancyGuard {
/// @dev Functions with this modifer cannot be reentered.
modifier nonReentrant() {
// Increment the counter.
reentrancyGuardCounter += 1;
// Remember the current counter value.
uint256 localCounter = reentrancyGuardCounter;
// Increment and remember the current counter value.
uint256 localCounter = ++reentrancyGuardCounter;
// Call the function.
_;
// If the counter value is different from what we remember,