{ "contractName": "ReentrancyGuard", "abi": [], "bytecode": "0x6080604052348015600f57600080fd5b50603580601d6000396000f3006080604052600080fd00a165627a7a723058207bf6597c251fe5e280cb4ecb7a41339597de1cbfc1fe51470c3bc0a351d9990a0029", "deployedBytecode": "0x6080604052600080fd00a165627a7a723058207bf6597c251fe5e280cb4ecb7a41339597de1cbfc1fe51470c3bc0a351d9990a0029", "sourceMap": "116:821:35:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;116:821:35;;;;;;;", "deployedSourceMap": "116:821:35:-;;;;;", "source": "/*\n * SPDX-License-Identitifer: MIT\n */\n\npragma solidity ^0.4.24;\n\nimport \"../common/UnstructuredStorage.sol\";\n\n\ncontract ReentrancyGuard {\n using UnstructuredStorage for bytes32;\n\n /* Hardcoded constants to save gas\n bytes32 internal constant REENTRANCY_MUTEX_POSITION = keccak256(\"aragonOS.reentrancyGuard.mutex\");\n */\n bytes32 private constant REENTRANCY_MUTEX_POSITION = 0xe855346402235fdd185c890e68d2c4ecad599b88587635ee285bce2fda58dacb;\n\n string private constant ERROR_REENTRANT = \"REENTRANCY_REENTRANT_CALL\";\n\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(!REENTRANCY_MUTEX_POSITION.getStorageBool(), ERROR_REENTRANT);\n\n // Lock mutex before function call\n REENTRANCY_MUTEX_POSITION.setStorageBool(true);\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n REENTRANCY_MUTEX_POSITION.setStorageBool(false);\n }\n}\n", "sourcePath": "@aragon/os/contracts/common/ReentrancyGuard.sol", "ast": { "absolutePath": "@aragon/os/contracts/common/ReentrancyGuard.sol", "exportedSymbols": { "ReentrancyGuard": [ 10908 ] }, "id": 10909, "nodeType": "SourceUnit", "nodes": [ { "id": 10873, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "44:24:35" }, { "absolutePath": "@aragon/os/contracts/common/UnstructuredStorage.sol", "file": "../common/UnstructuredStorage.sol", "id": 10874, "nodeType": "ImportDirective", "scope": 10909, "sourceUnit": 11307, "src": "70:43:35", "symbolAliases": 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