{ "fileName": "Pausable.sol", "contractName": "PausableUpgradeSafe", "source": "pragma solidity ^0.6.0;\n\nimport \"../GSN/Context.sol\";\nimport \"../Initializable.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\ncontract PausableUpgradeSafe is Initializable, ContextUpgradeSafe {\n /**\n * @dev Emitted when the pause is triggered by `account`.\n */\n event Paused(address account);\n\n /**\n * @dev Emitted when the pause is lifted by `account`.\n */\n event Unpaused(address account);\n\n bool private _paused;\n\n /**\n * @dev Initializes the contract in unpaused state.\n */\n\n function __Pausable_init() internal initializer {\n __Context_init_unchained();\n __Pausable_init_unchained();\n }\n\n function __Pausable_init_unchained() internal initializer {\n\n\n _paused = false;\n\n }\n\n\n /**\n * @dev Returns true if the contract is paused, and 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, \"Pausable: 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, \"Pausable: not paused\");\n _;\n }\n\n /**\n * @dev Triggers stopped state.\n */\n function _pause() internal virtual whenNotPaused {\n _paused = true;\n emit Paused(_msgSender());\n }\n\n /**\n * @dev Returns to normal state.\n */\n function _unpause() internal virtual whenPaused {\n _paused = false;\n emit Unpaused(_msgSender());\n }\n\n uint256[49] private __gap;\n}\n", "sourcePath": "contracts/utils/Pausable.sol", "sourceMap": "526:1575:104:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;526:1575:104;;;;;;;", "deployedSourceMap": "526:1575:104:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;526:1575:104;;;;;;;;;;;;;;;;12:1:-1;9;2:12;1248:76:104;;;:::i;:::-;;;;;;;;;;;;;;;;;;;1310:7;;;;1248:76;:::o", "abi": [ { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Unpaused", "type": "event" }, { "inputs": [], "name": "paused", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" } ], "ast": { "absolutePath": "contracts/utils/Pausable.sol", "exportedSymbols": { "PausableUpgradeSafe": [ 15143 ] }, "id": 15144, "nodeType": "SourceUnit", "nodes": [ { "id": 15034, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:104" }, { "absolutePath": "contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 15035, "nodeType": "ImportDirective", "scope": 15144, "sourceUnit": 45, "src": "25:28:104", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "contracts/Initializable.sol", "file": "../Initializable.sol", "id": 15036, "nodeType": "ImportDirective", "scope": 15144, "sourceUnit": 1408, "src": "54:30:104", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 15038, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1407, "src": "558:13:104", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$1407", "typeString": "contract Initializable" } }, "id": 15039, "nodeType": "InheritanceSpecifier", "src": "558:13:104" }, { "arguments": null, "baseName": { "contractScope": null, "id": 15040, "name": "ContextUpgradeSafe", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 44, "src": "573:18:104", "typeDescriptions": { "typeIdentifier": "t_contract$_ContextUpgradeSafe_$44", "typeString": "contract ContextUpgradeSafe" } }, "id": 15041, "nodeType": "InheritanceSpecifier", "src": "573:18:104" } ], "contractDependencies": [ 44, 1407 ], "contractKind": "contract", "documentation": { "id": 15037, "nodeType": "StructuredDocumentation", "src": "86:439:104", "text": "@dev Contract module which allows children to implement an emergency stop\nmechanism that can be triggered by an authorized account.\n * This module is used through inheritance. It will make available the\nmodifiers `whenNotPaused` and `whenPaused`, which can be applied to\nthe functions of your contract. Note that they will not be pausable by\nsimply including this module, only once the modifiers are put in place." }, "fullyImplemented": true, "id": 15143, "linearizedBaseContracts": [ 15143, 44, 1407 ], "name": "PausableUpgradeSafe", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 15042, "nodeType": "StructuredDocumentation", "src": "598:73:104", "text": "@dev Emitted when the pause is triggered by `account`." }, "id": 15046, "name": "Paused", "nodeType": "EventDefinition", "parameters": { "id": 15045, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15044, "indexed": false, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "overrides": null, "scope": 15046, "src": "689:15:104", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15043, "name": "address", "nodeType": "ElementaryTypeName", "src": "689:7:104", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "688:17:104" }, "src": "676:30:104" }, { "anonymous": false, "documentation": { "id": 15047, "nodeType": "StructuredDocumentation", "src": "712:70:104", "text": "@dev Emitted when the pause is lifted by `account`." }, "id": 15051, "name": "Unpaused", "nodeType": "EventDefinition", "parameters": { "id": 15050, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15049, "indexed": false, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "overrides": null, "scope": 15051, "src": "802:15:104", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15048, "name": "address", "nodeType": "ElementaryTypeName", "src": "802:7:104", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "801:17:104" }, "src": "787:32:104" }, { "constant": false, "id": 15053, "mutability": "mutable", "name": "_paused", "nodeType": "VariableDeclaration", "overrides": null, "scope": 15143, "src": "825:20:104", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 15052, "name": "bool", "nodeType": "ElementaryTypeName", "src": "825:4:104", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "private" }, { "body": { "id": 15065, "nodeType": "Block", "src": "973:80:104", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 15059, "name": "__Context_init_unchained", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19, 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"names": [], "nodeType": "FunctionCall", "src": "1019:27:104", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15064, "nodeType": "ExpressionStatement", "src": "1019:27:104" } ] }, "documentation": { "id": 15054, "nodeType": "StructuredDocumentation", "src": "852:67:104", "text": "@dev Initializes the contract in unpaused state." }, "id": 15066, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 15057, "modifierName": { "argumentTypes": null, "id": 15056, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1380, "src": "961:11:104", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "961:11:104" } ], "name": "__Pausable_init", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 15055, "nodeType": "ParameterList", "parameters": [], "src": 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