{ "contractName": "Pausable", "abi": [ { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [], "name": "Pause", "type": "event" }, { "anonymous": false, "inputs": [], "name": "Unpause", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" } ], "name": "OwnershipRenounced", 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"source": "pragma solidity ^0.4.23;\n\n\nimport \"../ownership/Ownable.sol\";\n\n\n/**\n * @title Pausable\n * @dev Base contract which allows children to implement an emergency stop mechanism.\n */\ncontract Pausable is Ownable {\n event Pause();\n event Unpause();\n\n bool public paused = false;\n\n\n /**\n * @dev Modifier to make a function callable only when the contract is not paused.\n */\n modifier whenNotPaused() {\n require(!paused);\n _;\n }\n\n /**\n * @dev Modifier to make a function callable only when the contract is paused.\n */\n modifier whenPaused() {\n require(paused);\n _;\n }\n\n /**\n * @dev called by the owner to pause, triggers stopped state\n */\n function pause() onlyOwner whenNotPaused public {\n paused = true;\n emit Pause();\n }\n\n /**\n * @dev called by the owner to unpause, returns to normal state\n */\n function unpause() onlyOwner whenPaused public {\n paused = false;\n emit Unpause();\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "exportedSymbols": { "Pausable": [ 2004 ] }, "id": 2005, "nodeType": "SourceUnit", "nodes": [ { "id": 1946, "literals": [ "solidity", "^", "0.4", ".23" ], "nodeType": "PragmaDirective", "src": "0:24:13" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "../ownership/Ownable.sol", "id": 1947, "nodeType": "ImportDirective", "scope": 2005, "sourceUnit": 2185, "src": "27:34:13", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1948, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2184, "src": "198:7:13", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$2184", "typeString": "contract Ownable" } }, "id": 1949, "nodeType": "InheritanceSpecifier", "src": "198:7:13" } ], "contractDependencies": [ 2184 ], "contractKind": "contract", "documentation": "@title Pausable\n@dev Base contract which allows children to implement an emergency stop mechanism.", "fullyImplemented": true, "id": 2004, "linearizedBaseContracts": [ 2004, 2184 ], "name": "Pausable", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": null, "id": 1951, "name": "Pause", "nodeType": "EventDefinition", "parameters": { "id": 1950, "nodeType": "ParameterList", "parameters": [], "src": "221:2:13" }, "src": "210:14:13" }, { "anonymous": false, "documentation": null, "id": 1953, "name": "Unpause", "nodeType": "EventDefinition", "parameters": { "id": 1952, "nodeType": "ParameterList", "parameters": [], "src": "240:2:13" }, "src": "227:16:13" }, { "constant": false, "id": 1956, "name": "paused", "nodeType": "VariableDeclaration", "scope": 2004, "src": "247:26:13", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1954, "name": "bool", "nodeType": "ElementaryTypeName", "src": "247:4:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": { "argumentTypes": null, "hexValue": "66616c7365", "id": 1955, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "268:5:13", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "visibility": "public" }, { "body": { "id": 1964, "nodeType": "Block", "src": "401:34:13", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1960, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "415:7:13", "subExpression": { "argumentTypes": null, "id": 1959, "name": "paused", "nodeType": "Identifier", "overloadedDeclarations": [], 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[], "referencedDeclaration": 1951, "src": "744:5:13", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 1985, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "744:7:13", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1986, "nodeType": "EmitStatement", "src": "739:12:13" } ] }, "documentation": "@dev called by the owner to pause, triggers stopped state", "id": 1988, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1976, "modifierName": { "argumentTypes": null, "id": 1975, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2132, "src": "683:9:13", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "683:9:13" }, { "arguments": null, "id": 1978, "modifierName": { "argumentTypes": null, "id": 1977, "name": "whenNotPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1965, "src": "693:13:13", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "693:13:13" } ], "name": "pause", "nodeType": "FunctionDefinition", "parameters": { "id": 1974, "nodeType": "ParameterList", "parameters": [], "src": "680:2:13" }, "payable": false, "returnParameters": { "id": 1979, "nodeType": "ParameterList", "parameters": [], "src": "714:0:13" }, "scope": 2004, "src": "666:90:13", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2002, "nodeType": "Block", "src": "885:45:13", "statements": [ { "expression": { "argumentTypes": null, "id": 1997, "isConstant": false, "isLValue": false, "isPure": false, 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