{ "contractName": "Pausable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserRemoved", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Unpaused", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "addPauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "isPauser", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renouncePauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "pause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "unpause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"PauserAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"PauserRemoved\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"addPauser\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"isPauser\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"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\":\"unpause\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Contract module which allows children to implement an emergency stop mechanism that can be triggered by an authorized account. * This module is used through inheritance. It will make available the modifiers `whenNotPaused` and `whenPaused`, which can be applied to the functions of your contract. Note that they will not be pausable by simply including this module, only once the modifiers are put in place.\",\"methods\":{\"constructor\":{\"details\":\"Initializes the contract in unpaused state. Assigns the Pauser role to the deployer.\"},\"pause()\":{\"details\":\"Called by a pauser to pause, triggers stopped state.\"},\"paused()\":{\"details\":\"Returns true if the contract is paused, and false otherwise.\"},\"unpause()\":{\"details\":\"Called by a pauser to unpause, returns to normal state.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/lifecycle/Pausable.sol\":\"Pausable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0x90a3995645af7562d84b9d69363ffa5ae7217714ab61e951bf7bc450f40e4061\",\"urls\":[\"bzz-raw://216ef9d6b614db4eb46970b4e84903f2534a45572dd30a79f0041f1a5830f436\",\"dweb:/ipfs/QmNPrJ4MWKUAWzKXpUqeyKRUfosaoANZAqXgvepdrCwZAG\"]},\"@openzeppelin/contracts/access/Roles.sol\":{\"keccak256\":\"0xb002c378d7b82a101bd659c341518953ca0919d342c0a400196982c0e7e7bcdb\",\"urls\":[\"bzz-raw://00a788c4631466c220b385bdd100c571d24b2deccd657615cfbcef6cadf669a4\",\"dweb:/ipfs/QmTEwDbjJNxmMNCDMqtuou3dyM8Wtp8Q9NFvn7SAVM7Jf3\"]},\"@openzeppelin/contracts/access/roles/PauserRole.sol\":{\"keccak256\":\"0xd1b5c934bab36d753c22987ad98c7614cb50ebf641371a83c96f8138619d7c30\",\"urls\":[\"bzz-raw://69c4bb822caae3d1bfd38e81f03b6d618d4d83cbb8e9f8236d28e1c4fe1d0d81\",\"dweb:/ipfs/QmWamstbFhdySmocF2TSKYVLLZF24JG4aXMvHiRdWKv3RA\"]},\"@openzeppelin/contracts/lifecycle/Pausable.sol\":{\"keccak256\":\"0xd3e5a49edfb74654d122962cc60b917d1c60461e669a7262fd7aba201fac1260\",\"urls\":[\"bzz-raw://0307a3cae4df037aee16fb0b0d94849cb4d9b20d7d7182c185f3efac6d2caec0\",\"dweb:/ipfs/QmezTANBfrJmCvxfmfyfcfFGtbcUEUtoJCjfxKnAePiNoE\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\nimport \"../GSN/Context.sol\";\nimport \"../access/roles/PauserRole.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 Pausable is Context, PauserRole {\n /**\n * @dev Emitted when the pause is triggered by a pauser (`account`).\n */\n event Paused(address account);\n\n /**\n * @dev Emitted when the pause is lifted by a pauser (`account`).\n */\n event Unpaused(address account);\n\n bool private _paused;\n\n /**\n * @dev Initializes the contract in unpaused state. Assigns the Pauser role\n * to the deployer.\n */\n constructor () internal {\n _paused = false;\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 Called by a pauser to pause, triggers stopped state.\n */\n function pause() public onlyPauser whenNotPaused {\n _paused = true;\n emit Paused(_msgSender());\n }\n\n /**\n * @dev Called by a pauser to unpause, returns to normal state.\n */\n function unpause() public onlyPauser whenPaused {\n _paused = false;\n emit Unpaused(_msgSender());\n }\n}\n", "sourcePath": "@openzeppelin/contracts/lifecycle/Pausable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/lifecycle/Pausable.sol", "exportedSymbols": { "Pausable": [ 2716 ] }, "id": 2717, "nodeType": "SourceUnit", "nodes": [ { "id": 2630, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:16" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2631, "nodeType": "ImportDirective", "scope": 2717, "sourceUnit": 2441, "src": "25:28:16", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/access/roles/PauserRole.sol", "file": "../access/roles/PauserRole.sol", "id": 2632, "nodeType": "ImportDirective", "scope": 2717, "sourceUnit": 2629, "src": "54:40:16", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2633, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2440, "src": "557:7:16", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2440", "typeString": "contract Context" } }, "id": 2634, "nodeType": "InheritanceSpecifier", "src": "557:7:16" }, { "arguments": null, "baseName": { "contractScope": null, "id": 2635, "name": "PauserRole", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2628, "src": "566:10:16", "typeDescriptions": { "typeIdentifier": "t_contract$_PauserRole_$2628", "typeString": "contract PauserRole" } }, "id": 2636, "nodeType": "InheritanceSpecifier", "src": "566:10:16" } ], "contractDependencies": [ 2440, 2628 ], "contractKind": "contract", "documentation": "@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": 2716, "linearizedBaseContracts": [ 2716, 2628, 2440 ], "name": "Pausable", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when the pause is triggered by a pauser (`account`).", "id": 2640, "name": "Paused", "nodeType": "EventDefinition", "parameters": { "id": 2639, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2638, "indexed": false, "name": "account", "nodeType": "VariableDeclaration", "scope": 2640, "src": "685:15:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2637, "name": "address", "nodeType": "ElementaryTypeName", "src": "685:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "684:17:16" }, "src": "672:30:16" }, { "anonymous": false, "documentation": "@dev Emitted when the pause is lifted by a pauser (`account`).", "id": 2644, "name": "Unpaused", "nodeType": "EventDefinition", "parameters": { "id": 2643, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2642, "indexed": false, "name": "account", "nodeType": "VariableDeclaration", "scope": 2644, "src": "809:15:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2641, "name": "address", "nodeType": "ElementaryTypeName", "src": "809:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "808:17:16" }, "src": "794:32:16" }, { "constant": false, "id": 2646, "name": "_paused", "nodeType": "VariableDeclaration", "scope": 2716, "src": "832:20:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2645, "name": "bool", "nodeType": "ElementaryTypeName", "src": "832:4:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "private" }, { "body": { "id": 2653, "nodeType": "Block", "src": "1003:32:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2651, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2649, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1013:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2650, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1023:5:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "src": "1013:15:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2652, "nodeType": "ExpressionStatement", "src": "1013:15:16" } ] }, "documentation": "@dev Initializes the contract in unpaused state. Assigns the Pauser role\nto the deployer.", "id": 2654, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 2647, "nodeType": "ParameterList", "parameters": [], "src": "991:2:16" }, "returnParameters": { "id": 2648, "nodeType": "ParameterList", "parameters": [], "src": "1003:0:16" }, "scope": 2716, "src": "979:56:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 2661, "nodeType": "Block", "src": "1175:31:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2659, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1192:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 2658, "id": 2660, "nodeType": "Return", "src": "1185:14:16" } ] }, "documentation": "@dev Returns true if the contract is paused, and false otherwise.", "id": 2662, "implemented": true, "kind": "function", "modifiers": [], "name": "paused", "nodeType": "FunctionDefinition", "parameters": { "id": 2655, "nodeType": "ParameterList", "parameters": [], "src": "1145:2:16" }, "returnParameters": { "id": 2658, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2657, "name": "", "nodeType": "VariableDeclaration", "scope": 2662, "src": "1169:4:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2656, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1169:4:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1168:6:16" }, "scope": 2716, "src": "1130:76:16", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 2671, "nodeType": "Block", "src": "1340:65:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2666, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "1358:8:16", "subExpression": { "argumentTypes": null, "id": 2665, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1359:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061757361626c653a20706175736564", "id": 2667, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1368:18:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_68571e1369f7a6dcdcd736cb0343b35a58ed0f64d245c2ed839c98d412744f8a", "typeString": "literal_string \"Pausable: paused\"" }, "value": "Pausable: paused" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_68571e1369f7a6dcdcd736cb0343b35a58ed0f64d245c2ed839c98d412744f8a", "typeString": "literal_string \"Pausable: paused\"" } ], "id": 2664, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 3599, 3600 ], "referencedDeclaration": 3600, "src": "1350:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2668, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1350:37:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2669, "nodeType": "ExpressionStatement", "src": "1350:37:16" }, { "id": 2670, "nodeType": "PlaceholderStatement", "src": "1397:1:16" } ] }, "documentation": "@dev Modifier to make a function callable only when the contract is not paused.", "id": 2672, "name": "whenNotPaused", "nodeType": "ModifierDefinition", "parameters": { "id": 2663, "nodeType": "ParameterList", "parameters": [], "src": "1337:2:16" }, "src": "1315:90:16", "visibility": "internal" }, { "body": { "id": 2680, "nodeType": "Block", "src": "1532:68:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2675, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1550:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061757361626c653a206e6f7420706175736564", "id": 2676, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1559:22:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_0d1d997348c4b502650619e51f7d09f80514d98b6993be5051d07f703984619a", "typeString": "literal_string \"Pausable: not paused\"" }, "value": "Pausable: not paused" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0d1d997348c4b502650619e51f7d09f80514d98b6993be5051d07f703984619a", "typeString": "literal_string \"Pausable: not paused\"" } ], "id": 2674, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 3599, 3600 ], "referencedDeclaration": 3600, "src": "1542:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2677, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1542:40:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2678, "nodeType": "ExpressionStatement", "src": "1542:40:16" }, { "id": 2679, "nodeType": "PlaceholderStatement", "src": "1592:1:16" } ] }, "documentation": "@dev Modifier to make a function callable only when the contract is paused.", "id": 2681, "name": "whenPaused", "nodeType": "ModifierDefinition", "parameters": { "id": 2673, "nodeType": "ParameterList", "parameters": [], "src": "1529:2:16" }, "src": "1510:90:16", "visibility": "internal" }, { "body": { "id": 2697, "nodeType": "Block", "src": "1736:66:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2690, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2688, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1746:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "74727565", "id": 2689, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1756:4:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "1746:14:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2691, "nodeType": "ExpressionStatement", "src": "1746:14:16" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2693, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2428, "src": "1782:10:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2694, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1782:12:16", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2692, "name": "Paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2640, "src": "1775:6:16", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 2695, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1775:20:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2696, "nodeType": "EmitStatement", "src": "1770:25:16" } ] }, "documentation": "@dev Called by a pauser to pause, triggers stopped state.", "id": 2698, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2684, "modifierName": { "argumentTypes": null, "id": 2683, "name": "onlyPauser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2561, "src": "1711:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1711:10:16" }, { "arguments": null, "id": 2686, "modifierName": { "argumentTypes": null, "id": 2685, "name": "whenNotPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2672, "src": "1722:13:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1722:13:16" } ], "name": "pause", "nodeType": "FunctionDefinition", "parameters": { "id": 2682, "nodeType": "ParameterList", "parameters": [], "src": "1701:2:16" }, "returnParameters": { "id": 2687, "nodeType": "ParameterList", "parameters": [], "src": "1736:0:16" }, "scope": 2716, "src": "1687:115:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2714, "nodeType": "Block", "src": "1940:69:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2707, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2705, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1950:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2706, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1960:5:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "src": "1950:15:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2708, "nodeType": "ExpressionStatement", "src": "1950:15:16" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2710, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2428, "src": "1989:10:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2711, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1989:12:16", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2709, "name": "Unpaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2644, "src": "1980:8:16", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 2712, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1980:22:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2713, "nodeType": "EmitStatement", "src": "1975:27:16" } ] }, "documentation": "@dev Called by a pauser to unpause, returns to normal state.", "id": 2715, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2701, "modifierName": { "argumentTypes": null, "id": 2700, "name": "onlyPauser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2561, "src": "1918:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1918:10:16" }, { "arguments": null, "id": 2703, "modifierName": { "argumentTypes": null, "id": 2702, "name": "whenPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2681, "src": "1929:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1929:10:16" } ], "name": "unpause", "nodeType": "FunctionDefinition", "parameters": { "id": 2699, "nodeType": "ParameterList", "parameters": [], "src": "1908:2:16" }, "returnParameters": { "id": 2704, "nodeType": "ParameterList", "parameters": [], "src": "1940:0:16" }, "scope": 2716, "src": "1892:117:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 2717, "src": "536:1475:16" } ], "src": "0:2012:16" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/lifecycle/Pausable.sol", "exportedSymbols": { "Pausable": [ 2716 ] }, "id": 2717, "nodeType": "SourceUnit", "nodes": [ { "id": 2630, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:16" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2631, "nodeType": "ImportDirective", "scope": 2717, "sourceUnit": 2441, "src": "25:28:16", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/access/roles/PauserRole.sol", "file": "../access/roles/PauserRole.sol", "id": 2632, "nodeType": "ImportDirective", "scope": 2717, "sourceUnit": 2629, "src": "54:40:16", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2633, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2440, "src": "557:7:16", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2440", "typeString": "contract Context" } }, "id": 2634, "nodeType": "InheritanceSpecifier", "src": "557:7:16" }, { "arguments": null, "baseName": { "contractScope": null, "id": 2635, "name": "PauserRole", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2628, "src": "566:10:16", "typeDescriptions": { "typeIdentifier": "t_contract$_PauserRole_$2628", "typeString": "contract PauserRole" } }, "id": 2636, "nodeType": "InheritanceSpecifier", "src": "566:10:16" } ], "contractDependencies": [ 2440, 2628 ], "contractKind": "contract", "documentation": "@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": 2716, "linearizedBaseContracts": [ 2716, 2628, 2440 ], "name": "Pausable", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when the pause is triggered by a pauser (`account`).", "id": 2640, "name": "Paused", "nodeType": "EventDefinition", "parameters": { "id": 2639, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2638, "indexed": false, "name": "account", "nodeType": "VariableDeclaration", "scope": 2640, "src": "685:15:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2637, "name": "address", "nodeType": "ElementaryTypeName", "src": "685:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "684:17:16" }, "src": "672:30:16" }, { "anonymous": false, "documentation": "@dev Emitted when the pause is lifted by a pauser (`account`).", "id": 2644, "name": "Unpaused", "nodeType": "EventDefinition", "parameters": { "id": 2643, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2642, "indexed": false, "name": "account", "nodeType": "VariableDeclaration", "scope": 2644, "src": "809:15:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2641, "name": "address", "nodeType": "ElementaryTypeName", "src": "809:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "808:17:16" }, "src": "794:32:16" }, { "constant": false, "id": 2646, "name": "_paused", "nodeType": "VariableDeclaration", "scope": 2716, "src": "832:20:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2645, "name": "bool", "nodeType": "ElementaryTypeName", "src": "832:4:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "private" }, { "body": { "id": 2653, "nodeType": "Block", "src": "1003:32:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2651, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2649, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1013:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2650, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1023:5:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "src": "1013:15:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2652, "nodeType": "ExpressionStatement", "src": "1013:15:16" } ] }, "documentation": "@dev Initializes the contract in unpaused state. Assigns the Pauser role\nto the deployer.", "id": 2654, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 2647, "nodeType": "ParameterList", "parameters": [], "src": "991:2:16" }, "returnParameters": { "id": 2648, "nodeType": "ParameterList", "parameters": [], "src": "1003:0:16" }, "scope": 2716, "src": "979:56:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 2661, "nodeType": "Block", "src": "1175:31:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2659, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1192:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 2658, "id": 2660, "nodeType": "Return", "src": "1185:14:16" } ] }, "documentation": "@dev Returns true if the contract is paused, and false otherwise.", "id": 2662, "implemented": true, "kind": "function", "modifiers": [], "name": "paused", "nodeType": "FunctionDefinition", "parameters": { "id": 2655, "nodeType": "ParameterList", "parameters": [], "src": "1145:2:16" }, "returnParameters": { "id": 2658, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2657, "name": "", "nodeType": "VariableDeclaration", "scope": 2662, "src": "1169:4:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2656, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1169:4:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1168:6:16" }, "scope": 2716, "src": "1130:76:16", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 2671, "nodeType": "Block", "src": "1340:65:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2666, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "1358:8:16", "subExpression": { "argumentTypes": null, "id": 2665, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1359:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061757361626c653a20706175736564", "id": 2667, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1368:18:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_68571e1369f7a6dcdcd736cb0343b35a58ed0f64d245c2ed839c98d412744f8a", "typeString": "literal_string \"Pausable: paused\"" }, "value": "Pausable: paused" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_68571e1369f7a6dcdcd736cb0343b35a58ed0f64d245c2ed839c98d412744f8a", "typeString": "literal_string \"Pausable: paused\"" } ], "id": 2664, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 3599, 3600 ], "referencedDeclaration": 3600, "src": "1350:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2668, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1350:37:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2669, "nodeType": "ExpressionStatement", "src": "1350:37:16" }, { "id": 2670, "nodeType": "PlaceholderStatement", "src": "1397:1:16" } ] }, "documentation": "@dev Modifier to make a function callable only when the contract is not paused.", "id": 2672, "name": "whenNotPaused", "nodeType": "ModifierDefinition", "parameters": { "id": 2663, "nodeType": "ParameterList", "parameters": [], "src": "1337:2:16" }, "src": "1315:90:16", "visibility": "internal" }, { "body": { "id": 2680, "nodeType": "Block", "src": "1532:68:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2675, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1550:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061757361626c653a206e6f7420706175736564", "id": 2676, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1559:22:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_0d1d997348c4b502650619e51f7d09f80514d98b6993be5051d07f703984619a", "typeString": "literal_string \"Pausable: not paused\"" }, "value": "Pausable: not paused" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0d1d997348c4b502650619e51f7d09f80514d98b6993be5051d07f703984619a", "typeString": "literal_string \"Pausable: not paused\"" } ], "id": 2674, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 3599, 3600 ], "referencedDeclaration": 3600, "src": "1542:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2677, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1542:40:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2678, "nodeType": "ExpressionStatement", "src": "1542:40:16" }, { "id": 2679, "nodeType": "PlaceholderStatement", "src": "1592:1:16" } ] }, "documentation": "@dev Modifier to make a function callable only when the contract is paused.", "id": 2681, "name": "whenPaused", "nodeType": "ModifierDefinition", "parameters": { "id": 2673, "nodeType": "ParameterList", "parameters": [], "src": "1529:2:16" }, "src": "1510:90:16", "visibility": "internal" }, { "body": { "id": 2697, "nodeType": "Block", "src": "1736:66:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2690, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2688, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1746:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "74727565", "id": 2689, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1756:4:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "1746:14:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2691, "nodeType": "ExpressionStatement", "src": "1746:14:16" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2693, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2428, "src": "1782:10:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2694, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1782:12:16", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2692, "name": "Paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2640, "src": "1775:6:16", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 2695, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1775:20:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2696, "nodeType": "EmitStatement", "src": "1770:25:16" } ] }, "documentation": "@dev Called by a pauser to pause, triggers stopped state.", "id": 2698, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2684, "modifierName": { "argumentTypes": null, "id": 2683, "name": "onlyPauser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2561, "src": "1711:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1711:10:16" }, { "arguments": null, "id": 2686, "modifierName": { "argumentTypes": null, "id": 2685, "name": "whenNotPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2672, "src": "1722:13:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1722:13:16" } ], "name": "pause", "nodeType": "FunctionDefinition", "parameters": { "id": 2682, "nodeType": "ParameterList", "parameters": [], "src": "1701:2:16" }, "returnParameters": { "id": 2687, "nodeType": "ParameterList", "parameters": [], "src": "1736:0:16" }, "scope": 2716, "src": "1687:115:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2714, "nodeType": "Block", "src": "1940:69:16", "statements": [ { "expression": { "argumentTypes": null, "id": 2707, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2705, "name": "_paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2646, "src": "1950:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2706, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1960:5:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "src": "1950:15:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 2708, "nodeType": "ExpressionStatement", "src": "1950:15:16" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2710, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2428, "src": "1989:10:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2711, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1989:12:16", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2709, "name": "Unpaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2644, "src": "1980:8:16", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 2712, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1980:22:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2713, "nodeType": "EmitStatement", "src": "1975:27:16" } ] }, "documentation": "@dev Called by a pauser to unpause, returns to normal state.", "id": 2715, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2701, "modifierName": { "argumentTypes": null, "id": 2700, "name": "onlyPauser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2561, "src": "1918:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1918:10:16" }, { "arguments": null, "id": 2703, "modifierName": { "argumentTypes": null, "id": 2702, "name": "whenPaused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2681, "src": "1929:10:16", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1929:10:16" } ], "name": "unpause", "nodeType": "FunctionDefinition", "parameters": { "id": 2699, "nodeType": "ParameterList", "parameters": [], "src": "1908:2:16" }, "returnParameters": { "id": 2704, "nodeType": "ParameterList", "parameters": [], "src": "1940:0:16" }, "scope": 2716, "src": "1892:117:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 2717, "src": "536:1475:16" } ], "src": "0:2012:16" }, "compiler": { "name": "solc", "version": "0.5.16+commit.9c3226ce.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.20", "updatedAt": "2020-02-01T23:51:00.352Z", "devdoc": { "details": "Contract module which allows children to implement an emergency stop mechanism that can be triggered by an authorized account. * This module is used through inheritance. It will make available the modifiers `whenNotPaused` and `whenPaused`, which can be applied to the functions of your contract. Note that they will not be pausable by simply including this module, only once the modifiers are put in place.", "methods": { "constructor": { "details": "Initializes the contract in unpaused state. Assigns the Pauser role to the deployer." }, "pause()": { "details": "Called by a pauser to pause, triggers stopped state." }, "paused()": { "details": "Returns true if the contract is paused, and false otherwise." }, "unpause()": { "details": "Called by a pauser to unpause, returns to normal state." } } }, "userdoc": { "methods": {} } }