{ "contractName": "Pausable", "abi": [ { "constant": true, "inputs": [ { "name": "account", "type": "address" } ], "name": "isPauser", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renouncePauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "account", "type": "address" } ], "name": "addPauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [], "name": "Unpaused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "PauserAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "PauserRemoved", "type": 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"source": "pragma solidity ^0.4.24;\n\nimport \"zos-lib/contracts/Initializable.sol\";\nimport \"../access/roles/PauserRole.sol\";\n\n\n/**\n * @title Pausable\n * @dev Base contract which allows children to implement an emergency stop mechanism.\n */\ncontract Pausable is Initializable, PauserRole {\n event Paused();\n event Unpaused();\n\n bool private _paused = false;\n\n function initialize(address sender) public initializer {\n PauserRole.initialize(sender);\n }\n\n /**\n * @return true if the contract is paused, false otherwise.\n */\n function paused() public view returns(bool) {\n return _paused;\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() public onlyPauser whenNotPaused {\n _paused = true;\n emit Paused();\n }\n\n /**\n * @dev called by the owner to unpause, returns to normal state\n */\n function unpause() public onlyPauser whenPaused {\n _paused = false;\n emit Unpaused();\n }\n\n uint256[50] private ______gap;\n}\n", "sourcePath": "openzeppelin-eth/contracts/lifecycle/Pausable.sol", "ast": { "absolutePath": "openzeppelin-eth/contracts/lifecycle/Pausable.sol", "exportedSymbols": { "Pausable": [ 774 ] }, "id": 775, "nodeType": "SourceUnit", "nodes": [ { "id": 687, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:5" }, { "absolutePath": "zos-lib/contracts/Initializable.sol", "file": "zos-lib/contracts/Initializable.sol", "id": 688, "nodeType": "ImportDirective", "scope": 775, "sourceUnit": 1919, "src": "26:45:5", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-eth/contracts/access/roles/PauserRole.sol", "file": "../access/roles/PauserRole.sol", "id": 689, "nodeType": "ImportDirective", "scope": 775, "sourceUnit": 686, "src": "72:40:5", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 690, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1918, "src": "249:13:5", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$1918", "typeString": "contract Initializable" } }, "id": 691, "nodeType": "InheritanceSpecifier", "src": "249:13:5" }, { "arguments": null, "baseName": { "contractScope": null, "id": 692, "name": "PauserRole", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 685, "src": "264:10:5", "typeDescriptions": { "typeIdentifier": "t_contract$_PauserRole_$685", "typeString": "contract PauserRole" } }, "id": 693, "nodeType": "InheritanceSpecifier", "src": "264:10:5" } ], "contractDependencies": [ 685, 1918 ], "contractKind": "contract", "documentation": "@title Pausable\n@dev Base contract which allows children to implement an emergency stop mechanism.", "fullyImplemented": true, "id": 774, "linearizedBaseContracts": [ 774, 685, 1918 ], "name": "Pausable", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": null, "id": 695, "name": "Paused", "nodeType": "EventDefinition", "parameters": { "id": 694, "nodeType": "ParameterList", "parameters": [], "src": "291:2:5" }, "src": "279:15:5" }, { "anonymous": false, "documentation": null, "id": 697, "name": "Unpaused", "nodeType": "EventDefinition", "parameters": { "id": 696, "nodeType": "ParameterList", "parameters": [], "src": "311:2:5" }, "src": "297:17:5" }, { "constant": false, "id": 700, "name": "_paused", "nodeType": "VariableDeclaration", "scope": 774, "src": "318:28:5", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 698, "name": "bool", "nodeType": "ElementaryTypeName", "src": "318:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": { "argumentTypes": null, "hexValue": "66616c7365", "id": 699, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "341:5:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "visibility": "private" }, { "body": { "id": 713, "nodeType": "Block", "src": "406:40:5", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 710, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 702, "src": "434:6:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 707, "name": "PauserRole", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 685, "src": "412:10:5", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_PauserRole_$685_$", "typeString": "type(contract PauserRole)" } }, "id": 709, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "initialize", "nodeType": "MemberAccess", "referencedDeclaration": 603, "src": "412:21:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 711, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "412:29:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 712, "nodeType": "ExpressionStatement", "src": "412:29:5" } ] }, "documentation": null, "id": 714, "implemented": true, "isConstructor": 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