a7e91856f3
* Update to ganache-cli v6.1.0 and truffle v4.1.0 * Update to stable version of ganache-cli * fix: update event emission warning - Fix event emission warnings for solidity 4.21 after truffle has been updated to use this version * fix pr review comments * update to truffle v4.1.5 * update package-lock * add additional emit keywords * update solidity-coverage to 0.4.15 * update to solium 1.1.6 * fix MerkleProof coverage analysis by testing through wrapper * change version pragma to ^0.4.21 * fix solium linting errors
33 lines
872 B
Solidity
33 lines
872 B
Solidity
pragma solidity ^0.4.21;
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/**
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* @title Helps contracts guard agains reentrancy attacks.
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* @author Remco Bloemen <remco@2π.com>
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* @notice If you mark a function `nonReentrant`, you should also
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* mark it `external`.
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*/
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contract ReentrancyGuard {
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/**
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* @dev We use a single lock for the whole contract.
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*/
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bool private reentrancy_lock = false;
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/**
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* @dev Prevents a contract from calling itself, directly or indirectly.
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* @notice If you mark a function `nonReentrant`, you should also
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* mark it `external`. Calling one nonReentrant function from
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* another is not supported. Instead, you can implement a
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* `private` function doing the actual work, and a `external`
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* wrapper marked as `nonReentrant`.
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*/
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modifier nonReentrant() {
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require(!reentrancy_lock);
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reentrancy_lock = true;
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_;
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reentrancy_lock = false;
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}
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}
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