{
"contractName": "ReentrancyGuard",
"abi": [],
"metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"ReentrancyGuard The contract provides protection against re-entrancy - calling a function (directly or indirectly) from within itself.\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"details\":\"ensures instantiation only by sub-contracts\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol\":\"ReentrancyGuard\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol\":{\"keccak256\":\"0x5ea87c10dd6e7e79212da712eb5f079c03361e6c96e299a4ffd9aaee8d6a3899\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://882aac64a791df35a942480e6ce611d1acb399af4ac0c4ef0288965c3785bf50\",\"dweb:/ipfs/QmeWeYYFh5HZAzJ1SzPHoTcPvZrE4NPUVfmjvH9Q3m36Gg\"]}},\"version\":1}",
"bytecode": "0x",
"deployedBytecode": "0x",
"immutableReferences": {},
"sourceMap": "",
"deployedSourceMap": "",
"source": "// SPDX-License-Identifier: SEE LICENSE IN LICENSE\r\npragma solidity 0.6.12;\r\n\r\n/**\r\n * @dev ReentrancyGuard\r\n *\r\n * The contract provides protection against re-entrancy - calling a function (directly or\r\n * indirectly) from within itself.\r\n*/\r\ncontract ReentrancyGuard {\r\n // true while protected code is being executed, false otherwise\r\n bool private locked = false;\r\n\r\n /**\r\n * @dev ensures instantiation only by sub-contracts\r\n */\r\n constructor() internal {}\r\n\r\n // protects a function against reentrancy attacks\r\n modifier protected() {\r\n _protected();\r\n locked = true;\r\n _;\r\n locked = false;\r\n }\r\n\r\n // error message binary size optimization\r\n function _protected() internal view {\r\n require(!locked, \"ERR_REENTRANCY\");\r\n }\r\n}\r\n",
"sourcePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol",
"ast": {
"absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol",
"exportedSymbols": {
"ReentrancyGuard": [
22242
]
},
"id": 22243,
"license": "SEE LICENSE IN LICENSE",
"nodeType": "SourceUnit",
"nodes": [
{
"id": 22207,
"literals": [
"solidity",
"0.6",
".12"
],
"nodeType": "PragmaDirective",
"src": "52:23:59"
},
{
"abstract": false,
"baseContracts": [],
"contractDependencies": [],
"contractKind": "contract",
"documentation": {
"id": 22208,
"nodeType": "StructuredDocumentation",
"src": "79:167:59",
"text": " @dev ReentrancyGuard\n The contract provides protection against re-entrancy - calling a function (directly or\n indirectly) from within itself."
},
"fullyImplemented": true,
"id": 22242,
"linearizedBaseContracts": [
22242
],
"name": "ReentrancyGuard",
"nodeType": "ContractDefinition",
"nodes": [
{
"constant": false,
"id": 22211,
"mutability": "mutable",
"name": "locked",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 22242,
"src": "349:27:59",
"stateVariable": true,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"typeName": {
"id": 22209,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "349:4:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"value": {
"argumentTypes": null,
"hexValue": "66616c7365",
"id": 22210,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "371:5:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"visibility": "private"
},
{
"body": {
"id": 22215,
"nodeType": "Block",
"src": "483:2:59",
"statements": []
},
"documentation": {
"id": 22212,
"nodeType": "StructuredDocumentation",
"src": "385:69:59",
"text": " @dev ensures instantiation only by sub-contracts"
},
"id": 22216,
"implemented": true,
"kind": "constructor",
"modifiers": [],
"name": "",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 22213,
"nodeType": "ParameterList",
"parameters": [],
"src": "471:2:59"
},
"returnParameters": {
"id": 22214,
"nodeType": "ParameterList",
"parameters": [],
"src": "483:0:59"
},
"scope": 22242,
"src": "460:25:59",
"stateMutability": "nonpayable",
"virtual": false,
"visibility": "internal"
},
{
"body": {
"id": 22230,
"nodeType": "Block",
"src": "569:92:59",
"statements": [
{
"expression": {
"argumentTypes": null,
"arguments": [],
"expression": {
"argumentTypes": [],
"id": 22218,
"name": "_protected",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22241,
"src": "580:10:59",
"typeDescriptions": {
"typeIdentifier": "t_function_internal_view$__$returns$__$",
"typeString": "function () view"
}
},
"id": 22219,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "580:12:59",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_tuple$__$",
"typeString": "tuple()"
}
},
"id": 22220,
"nodeType": "ExpressionStatement",
"src": "580:12:59"
},
{
"expression": {
"argumentTypes": null,
"id": 22223,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftHandSide": {
"argumentTypes": null,
"id": 22221,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "603:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"nodeType": "Assignment",
"operator": "=",
"rightHandSide": {
"argumentTypes": null,
"hexValue": "74727565",
"id": 22222,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "612:4:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "true"
},
"src": "603:13:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"id": 22224,
"nodeType": "ExpressionStatement",
"src": "603:13:59"
},
{
"id": 22225,
"nodeType": "PlaceholderStatement",
"src": "627:1:59"
},
{
"expression": {
"argumentTypes": null,
"id": 22228,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftHandSide": {
"argumentTypes": null,
"id": 22226,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "639:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"nodeType": "Assignment",
"operator": "=",
"rightHandSide": {
"argumentTypes": null,
"hexValue": "66616c7365",
"id": 22227,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "648:5:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"src": "639:14:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"id": 22229,
"nodeType": "ExpressionStatement",
"src": "639:14:59"
}
]
},
"documentation": null,
"id": 22231,
"name": "protected",
"nodeType": "ModifierDefinition",
"overrides": null,
"parameters": {
"id": 22217,
"nodeType": "ParameterList",
"parameters": [],
"src": "566:2:59"
},
"src": "548:113:59",
"virtual": false,
"visibility": "internal"
},
{
"body": {
"id": 22240,
"nodeType": "Block",
"src": "752:53:59",
"statements": [
{
"expression": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"id": 22236,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"nodeType": "UnaryOperation",
"operator": "!",
"prefix": true,
"src": "771:7:59",
"subExpression": {
"argumentTypes": null,
"id": 22235,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "772:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
{
"argumentTypes": null,
"hexValue": "4552525f5245454e5452414e4359",
"id": 22237,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "string",
"lValueRequested": false,
"nodeType": "Literal",
"src": "780:16:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_stringliteral_6e0eaf77891cd79d274f1446031427d8091629657fef0bd3d01a673469e9b08c",
"typeString": "literal_string \"ERR_REENTRANCY\""
},
"value": "ERR_REENTRANCY"
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bool",
"typeString": "bool"
},
{
"typeIdentifier": "t_stringliteral_6e0eaf77891cd79d274f1446031427d8091629657fef0bd3d01a673469e9b08c",
"typeString": "literal_string \"ERR_REENTRANCY\""
}
],
"id": 22234,
"name": "require",
"nodeType": "Identifier",
"overloadedDeclarations": [
-18,
-18
],
"referencedDeclaration": -18,
"src": "763:7:59",
"typeDescriptions": {
"typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
"typeString": "function (bool,string memory) pure"
}
},
"id": 22238,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "763:34:59",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_tuple$__$",
"typeString": "tuple()"
}
},
"id": 22239,
"nodeType": "ExpressionStatement",
"src": "763:34:59"
}
]
},
"documentation": null,
"id": 22241,
"implemented": true,
"kind": "function",
"modifiers": [],
"name": "_protected",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 22232,
"nodeType": "ParameterList",
"parameters": [],
"src": "735:2:59"
},
"returnParameters": {
"id": 22233,
"nodeType": "ParameterList",
"parameters": [],
"src": "752:0:59"
},
"scope": 22242,
"src": "716:89:59",
"stateMutability": "view",
"virtual": false,
"visibility": "internal"
}
],
"scope": 22243,
"src": "248:560:59"
}
],
"src": "52:758:59"
},
"legacyAST": {
"absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/ReentrancyGuard.sol",
"exportedSymbols": {
"ReentrancyGuard": [
22242
]
},
"id": 22243,
"license": "SEE LICENSE IN LICENSE",
"nodeType": "SourceUnit",
"nodes": [
{
"id": 22207,
"literals": [
"solidity",
"0.6",
".12"
],
"nodeType": "PragmaDirective",
"src": "52:23:59"
},
{
"abstract": false,
"baseContracts": [],
"contractDependencies": [],
"contractKind": "contract",
"documentation": {
"id": 22208,
"nodeType": "StructuredDocumentation",
"src": "79:167:59",
"text": " @dev ReentrancyGuard\n The contract provides protection against re-entrancy - calling a function (directly or\n indirectly) from within itself."
},
"fullyImplemented": true,
"id": 22242,
"linearizedBaseContracts": [
22242
],
"name": "ReentrancyGuard",
"nodeType": "ContractDefinition",
"nodes": [
{
"constant": false,
"id": 22211,
"mutability": "mutable",
"name": "locked",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 22242,
"src": "349:27:59",
"stateVariable": true,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"typeName": {
"id": 22209,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "349:4:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"value": {
"argumentTypes": null,
"hexValue": "66616c7365",
"id": 22210,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "371:5:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"visibility": "private"
},
{
"body": {
"id": 22215,
"nodeType": "Block",
"src": "483:2:59",
"statements": []
},
"documentation": {
"id": 22212,
"nodeType": "StructuredDocumentation",
"src": "385:69:59",
"text": " @dev ensures instantiation only by sub-contracts"
},
"id": 22216,
"implemented": true,
"kind": "constructor",
"modifiers": [],
"name": "",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 22213,
"nodeType": "ParameterList",
"parameters": [],
"src": "471:2:59"
},
"returnParameters": {
"id": 22214,
"nodeType": "ParameterList",
"parameters": [],
"src": "483:0:59"
},
"scope": 22242,
"src": "460:25:59",
"stateMutability": "nonpayable",
"virtual": false,
"visibility": "internal"
},
{
"body": {
"id": 22230,
"nodeType": "Block",
"src": "569:92:59",
"statements": [
{
"expression": {
"argumentTypes": null,
"arguments": [],
"expression": {
"argumentTypes": [],
"id": 22218,
"name": "_protected",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22241,
"src": "580:10:59",
"typeDescriptions": {
"typeIdentifier": "t_function_internal_view$__$returns$__$",
"typeString": "function () view"
}
},
"id": 22219,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "580:12:59",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_tuple$__$",
"typeString": "tuple()"
}
},
"id": 22220,
"nodeType": "ExpressionStatement",
"src": "580:12:59"
},
{
"expression": {
"argumentTypes": null,
"id": 22223,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftHandSide": {
"argumentTypes": null,
"id": 22221,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "603:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"nodeType": "Assignment",
"operator": "=",
"rightHandSide": {
"argumentTypes": null,
"hexValue": "74727565",
"id": 22222,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "612:4:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "true"
},
"src": "603:13:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"id": 22224,
"nodeType": "ExpressionStatement",
"src": "603:13:59"
},
{
"id": 22225,
"nodeType": "PlaceholderStatement",
"src": "627:1:59"
},
{
"expression": {
"argumentTypes": null,
"id": 22228,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftHandSide": {
"argumentTypes": null,
"id": 22226,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "639:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"nodeType": "Assignment",
"operator": "=",
"rightHandSide": {
"argumentTypes": null,
"hexValue": "66616c7365",
"id": 22227,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "648:5:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"src": "639:14:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"id": 22229,
"nodeType": "ExpressionStatement",
"src": "639:14:59"
}
]
},
"documentation": null,
"id": 22231,
"name": "protected",
"nodeType": "ModifierDefinition",
"overrides": null,
"parameters": {
"id": 22217,
"nodeType": "ParameterList",
"parameters": [],
"src": "566:2:59"
},
"src": "548:113:59",
"virtual": false,
"visibility": "internal"
},
{
"body": {
"id": 22240,
"nodeType": "Block",
"src": "752:53:59",
"statements": [
{
"expression": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"id": 22236,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"nodeType": "UnaryOperation",
"operator": "!",
"prefix": true,
"src": "771:7:59",
"subExpression": {
"argumentTypes": null,
"id": 22235,
"name": "locked",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 22211,
"src": "772:6:59",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
{
"argumentTypes": null,
"hexValue": "4552525f5245454e5452414e4359",
"id": 22237,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "string",
"lValueRequested": false,
"nodeType": "Literal",
"src": "780:16:59",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_stringliteral_6e0eaf77891cd79d274f1446031427d8091629657fef0bd3d01a673469e9b08c",
"typeString": "literal_string \"ERR_REENTRANCY\""
},
"value": "ERR_REENTRANCY"
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_bool",
"typeString": "bool"
},
{
"typeIdentifier": "t_stringliteral_6e0eaf77891cd79d274f1446031427d8091629657fef0bd3d01a673469e9b08c",
"typeString": "literal_string \"ERR_REENTRANCY\""
}
],
"id": 22234,
"name": "require",
"nodeType": "Identifier",
"overloadedDeclarations": [
-18,
-18
],
"referencedDeclaration": -18,
"src": "763:7:59",
"typeDescriptions": {
"typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
"typeString": "function (bool,string memory) pure"
}
},
"id": 22238,
"isConstant": false,
"isLValue": false,
"isPure": false,
"kind": "functionCall",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "763:34:59",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_tuple$__$",
"typeString": "tuple()"
}
},
"id": 22239,
"nodeType": "ExpressionStatement",
"src": "763:34:59"
}
]
},
"documentation": null,
"id": 22241,
"implemented": true,
"kind": "function",
"modifiers": [],
"name": "_protected",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 22232,
"nodeType": "ParameterList",
"parameters": [],
"src": "735:2:59"
},
"returnParameters": {
"id": 22233,
"nodeType": "ParameterList",
"parameters": [],
"src": "752:0:59"
},
"scope": 22242,
"src": "716:89:59",
"stateMutability": "view",
"virtual": false,
"visibility": "internal"
}
],
"scope": 22243,
"src": "248:560:59"
}
],
"src": "52:758:59"
},
"compiler": {
"name": "solc",
"version": "0.6.12+commit.27d51765.Emscripten.clang"
},
"networks": {},
"schemaVersion": "3.2.3",
"updatedAt": "2020-10-20T08:24:47.844Z",
"devdoc": {
"details": "ReentrancyGuard The contract provides protection against re-entrancy - calling a function (directly or indirectly) from within itself.",
"kind": "dev",
"methods": {
"constructor": {
"details": "ensures instantiation only by sub-contracts"
}
},
"version": 1
},
"userdoc": {
"kind": "user",
"methods": {},
"version": 1
}
}