{ "contractName": "Ownable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.8+commit.23d335f2\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"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\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"}],\"devdoc\":{\"details\":\"The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of \\\"user permissions\\\".\",\"methods\":{\"constructor\":{\"details\":\"The Ownable constructor sets the original `owner` of the contract to the sender account.\"},\"isOwner()\":{\"return\":\"true if `msg.sender` is the owner of the contract.\"},\"owner()\":{\"return\":\"the address of the owner.\"},\"renounceOwnership()\":{\"details\":\"Allows the current owner to relinquish control of the contract.\"},\"transferOwnership(address)\":{\"details\":\"Allows the current owner to transfer control of the contract to a newOwner.\",\"params\":{\"newOwner\":\"The address to transfer ownership to.\"}}},\"title\":\"Ownable\"},\"userdoc\":{\"methods\":{\"renounceOwnership()\":{\"notice\":\"Renouncing to ownership will leave the contract without an owner. It will not be possible to call the functions with the `onlyOwner` modifier anymore.\"}}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":\"Ownable\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x980de387a1a020a498f53d00f89fecebb12c949a17e8f160093c0303ede2b786\",\"urls\":[\"bzzr://08894efa2a557982070beda6a81a032407e70532d24bdafe80d39660c74904d9\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user permissions\".\n */\ncontract Ownable {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n * account.\n */\n constructor () internal {\n _owner = msg.sender;\n emit OwnershipTransferred(address(0), _owner);\n }\n\n /**\n * @return the address of the owner.\n */\n function owner() public view returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(isOwner());\n _;\n }\n\n /**\n * @return true if `msg.sender` is the owner of the contract.\n */\n function isOwner() public view returns (bool) {\n return msg.sender == _owner;\n }\n\n /**\n * @dev Allows the current owner to relinquish control of the contract.\n * @notice Renouncing to ownership will leave the contract without an owner.\n * It will not be possible to call the functions with the `onlyOwner`\n * modifier anymore.\n */\n function renounceOwnership() public onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n\n /**\n * @dev Allows the current owner to transfer control of the contract to a newOwner.\n * @param newOwner The address to transfer ownership to.\n */\n function transferOwnership(address newOwner) public onlyOwner {\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers control of the contract to a newOwner.\n * @param newOwner The address to transfer ownership to.\n */\n function _transferOwnership(address newOwner) internal {\n require(newOwner != address(0));\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 12196 ] }, "id": 12197, "nodeType": "SourceUnit", "nodes": [ { "id": 12089, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:52" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".", "fullyImplemented": true, "id": 12196, "linearizedBaseContracts": [ 12196 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 12091, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 12196, "src": "238:22:52", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12090, "name": "address", "nodeType": "ElementaryTypeName", "src": "238:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 12097, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 12096, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12093, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 12097, "src": "294:29:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12092, "name": "address", "nodeType": "ElementaryTypeName", "src": "294:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12095, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12097, "src": "325:24:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12094, "name": "address", "nodeType": "ElementaryTypeName", "src": "325:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "293:57:52" }, "src": "267:84:52" }, { "body": { "id": 12112, "nodeType": "Block", "src": "505:91:52", "statements": [ { "expression": { "argumentTypes": null, "id": 12103, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12100, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "515:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12101, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12908, "src": "524:3:52", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 12102, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "524:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "515:19:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12104, "nodeType": "ExpressionStatement", "src": "515:19:52" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12107, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "578:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12106, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "570:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12108, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "570:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 12109, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "582:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12105, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "549:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12110, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:40:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12111, "nodeType": "EmitStatement", "src": "544:45:52" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 12113, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 12098, "nodeType": "ParameterList", "parameters": [], "src": "493:2:52" }, "returnParameters": { "id": 12099, "nodeType": "ParameterList", "parameters": [], "src": "505:0:52" }, "scope": 12196, "src": "481:115:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 12120, "nodeType": "Block", "src": "706:30:52", "statements": [ { "expression": { "argumentTypes": null, "id": 12118, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "723:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 12117, "id": 12119, "nodeType": "Return", "src": "716:13:52" } ] }, "documentation": "@return the address of the owner.", "id": 12121, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 12114, "nodeType": "ParameterList", "parameters": [], "src": "673:2:52" }, "returnParameters": { "id": 12117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12116, "name": "", "nodeType": "VariableDeclaration", "scope": 12121, "src": "697:7:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12115, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "696:9:52" }, "scope": 12196, "src": "659:77:52", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 12129, "nodeType": "Block", "src": "845:46:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 12124, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12141, "src": "863:7:52", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 12125, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "863:9:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 12123, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12911, 12912 ], "referencedDeclaration": 12911, "src": "855:7:52", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 12126, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "855:18:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12127, "nodeType": "ExpressionStatement", "src": "855:18:52" }, { "id": 12128, "nodeType": "PlaceholderStatement", "src": "883:1:52" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 12130, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 12122, "nodeType": "ParameterList", "parameters": [], "src": "842:2:52" }, "src": "824:67:52", "visibility": "internal" }, { "body": { "id": 12140, "nodeType": "Block", "src": "1025:44:52", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12138, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12135, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12908, "src": "1042:3:52", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 12136, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1042:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 12137, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1056:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1042:20:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 12134, "id": 12139, "nodeType": "Return", "src": "1035:27:52" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 12141, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 12131, "nodeType": "ParameterList", "parameters": [], "src": "995:2:52" }, "returnParameters": { "id": 12134, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12133, "name": "", "nodeType": "VariableDeclaration", "scope": 12141, "src": "1019:4:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12132, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1019:4:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1018:6:52" }, "scope": 12196, "src": "979:90:52", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 12159, "nodeType": "Block", "src": "1393:91:52", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12147, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1429:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12149, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1445:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12148, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1437:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12150, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1437:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 12146, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "1408:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12151, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1408:40:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12152, "nodeType": "EmitStatement", "src": "1403:45:52" }, { "expression": { "argumentTypes": null, "id": 12157, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12153, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1458:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12155, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1475:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12154, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1467:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12156, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1458:19:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12158, "nodeType": "ExpressionStatement", "src": "1458:19:52" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 12160, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 12144, "modifierName": { "argumentTypes": null, "id": 12143, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12130, "src": "1383:9:52", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1383:9:52" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12142, "nodeType": "ParameterList", "parameters": [], "src": "1373:2:52" }, "returnParameters": { "id": 12145, "nodeType": "ParameterList", "parameters": [], "src": "1393:0:52" }, "scope": 12196, "src": "1347:137:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 12171, "nodeType": "Block", "src": "1717:45:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12168, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12162, "src": "1746:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12167, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12195, "src": "1727:18:52", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 12169, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1727:28:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12170, "nodeType": "ExpressionStatement", "src": "1727:28:52" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 12172, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 12165, "modifierName": { "argumentTypes": null, "id": 12164, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12130, "src": "1707:9:52", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1707:9:52" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12163, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12162, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12172, "src": "1682:16:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12161, "name": "address", "nodeType": "ElementaryTypeName", "src": "1682:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1681:18:52" }, "returnParameters": { "id": 12166, "nodeType": "ParameterList", "parameters": [], "src": "1717:0:52" }, "scope": 12196, "src": "1655:107:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 12194, "nodeType": "Block", "src": "1961:128:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12182, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 12178, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "1979:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12180, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1999:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12179, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1991:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1991:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1979:22:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 12177, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12911, 12912 ], "referencedDeclaration": 12911, "src": "1971:7:52", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 12183, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1971:31:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12184, "nodeType": "ExpressionStatement", "src": "1971:31:52" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12186, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "2038:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 12187, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "2046:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12185, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "2017:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12188, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2017:38:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12189, "nodeType": "EmitStatement", "src": "2012:43:52" }, { "expression": { "argumentTypes": null, "id": 12192, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12190, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "2065:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 12191, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "2074:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2065:17:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12193, "nodeType": "ExpressionStatement", "src": "2065:17:52" } ] }, "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 12195, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12175, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12174, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12195, "src": "1934:16:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12173, "name": "address", "nodeType": "ElementaryTypeName", "src": "1934:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1933:18:52" }, "returnParameters": { "id": 12176, "nodeType": "ParameterList", "parameters": [], "src": "1961:0:52" }, "scope": 12196, "src": "1906:183:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 12197, "src": "215:1876:52" } ], "src": "0:2092:52" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 12196 ] }, "id": 12197, "nodeType": "SourceUnit", "nodes": [ { "id": 12089, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:52" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".", "fullyImplemented": true, "id": 12196, "linearizedBaseContracts": [ 12196 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 12091, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 12196, "src": "238:22:52", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12090, "name": "address", "nodeType": "ElementaryTypeName", "src": "238:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 12097, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 12096, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12093, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 12097, "src": "294:29:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12092, "name": "address", "nodeType": "ElementaryTypeName", "src": "294:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12095, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12097, "src": "325:24:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12094, "name": "address", "nodeType": "ElementaryTypeName", "src": "325:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "293:57:52" }, "src": "267:84:52" }, { "body": { "id": 12112, "nodeType": "Block", "src": "505:91:52", "statements": [ { "expression": { "argumentTypes": null, "id": 12103, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12100, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "515:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12101, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12908, "src": "524:3:52", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 12102, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "524:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "515:19:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12104, "nodeType": "ExpressionStatement", "src": "515:19:52" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12107, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "578:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12106, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "570:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12108, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "570:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 12109, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "582:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12105, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "549:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12110, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:40:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12111, "nodeType": "EmitStatement", "src": "544:45:52" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 12113, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 12098, "nodeType": "ParameterList", "parameters": [], "src": "493:2:52" }, "returnParameters": { "id": 12099, "nodeType": "ParameterList", "parameters": [], "src": "505:0:52" }, "scope": 12196, "src": "481:115:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 12120, "nodeType": "Block", "src": "706:30:52", "statements": [ { "expression": { "argumentTypes": null, "id": 12118, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "723:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 12117, "id": 12119, "nodeType": "Return", "src": "716:13:52" } ] }, "documentation": "@return the address of the owner.", "id": 12121, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 12114, "nodeType": "ParameterList", "parameters": [], "src": "673:2:52" }, "returnParameters": { "id": 12117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12116, "name": "", "nodeType": "VariableDeclaration", "scope": 12121, "src": "697:7:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12115, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "696:9:52" }, "scope": 12196, "src": "659:77:52", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 12129, "nodeType": "Block", "src": "845:46:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 12124, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12141, "src": "863:7:52", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 12125, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "863:9:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 12123, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12911, 12912 ], "referencedDeclaration": 12911, "src": "855:7:52", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 12126, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "855:18:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12127, "nodeType": "ExpressionStatement", "src": "855:18:52" }, { "id": 12128, "nodeType": "PlaceholderStatement", "src": "883:1:52" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 12130, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 12122, "nodeType": "ParameterList", "parameters": [], "src": "842:2:52" }, "src": "824:67:52", "visibility": "internal" }, { "body": { "id": 12140, "nodeType": "Block", "src": "1025:44:52", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12138, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12135, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12908, "src": "1042:3:52", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 12136, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1042:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 12137, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1056:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1042:20:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 12134, "id": 12139, "nodeType": "Return", "src": "1035:27:52" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 12141, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 12131, "nodeType": "ParameterList", "parameters": [], "src": "995:2:52" }, "returnParameters": { "id": 12134, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12133, "name": "", "nodeType": "VariableDeclaration", "scope": 12141, "src": "1019:4:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12132, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1019:4:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1018:6:52" }, "scope": 12196, "src": "979:90:52", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 12159, "nodeType": "Block", "src": "1393:91:52", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12147, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1429:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12149, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1445:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12148, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1437:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12150, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1437:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 12146, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "1408:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12151, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1408:40:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12152, "nodeType": "EmitStatement", "src": "1403:45:52" }, { "expression": { "argumentTypes": null, "id": 12157, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12153, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "1458:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12155, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1475:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12154, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1467:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12156, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1458:19:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12158, "nodeType": "ExpressionStatement", "src": "1458:19:52" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 12160, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 12144, "modifierName": { "argumentTypes": null, "id": 12143, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12130, "src": "1383:9:52", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1383:9:52" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12142, "nodeType": "ParameterList", "parameters": [], "src": "1373:2:52" }, "returnParameters": { "id": 12145, "nodeType": "ParameterList", "parameters": [], "src": "1393:0:52" }, "scope": 12196, "src": "1347:137:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 12171, "nodeType": "Block", "src": "1717:45:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12168, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12162, "src": "1746:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12167, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12195, "src": "1727:18:52", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 12169, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1727:28:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12170, "nodeType": "ExpressionStatement", "src": "1727:28:52" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 12172, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 12165, "modifierName": { "argumentTypes": null, "id": 12164, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12130, "src": "1707:9:52", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1707:9:52" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12163, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12162, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12172, "src": "1682:16:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12161, "name": "address", "nodeType": "ElementaryTypeName", "src": "1682:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1681:18:52" }, "returnParameters": { "id": 12166, "nodeType": "ParameterList", "parameters": [], "src": "1717:0:52" }, "scope": 12196, "src": "1655:107:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 12194, "nodeType": "Block", "src": "1961:128:52", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12182, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 12178, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "1979:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 12180, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1999:1:52", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12179, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1991:7:52", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 12181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1991:10:52", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1979:22:52", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 12177, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12911, 12912 ], "referencedDeclaration": 12911, "src": "1971:7:52", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 12183, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1971:31:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12184, "nodeType": "ExpressionStatement", "src": "1971:31:52" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12186, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "2038:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 12187, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "2046:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12185, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12097, "src": "2017:20:52", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 12188, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2017:38:52", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12189, "nodeType": "EmitStatement", "src": "2012:43:52" }, { "expression": { "argumentTypes": null, "id": 12192, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 12190, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12091, "src": "2065:6:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 12191, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12174, "src": "2074:8:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2065:17:52", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 12193, "nodeType": "ExpressionStatement", "src": "2065:17:52" } ] }, "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 12195, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 12175, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12174, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 12195, "src": "1934:16:52", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12173, "name": "address", "nodeType": "ElementaryTypeName", "src": "1934:7:52", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1933:18:52" }, "returnParameters": { "id": 12176, "nodeType": "ParameterList", "parameters": [], "src": "1961:0:52" }, "scope": 12196, "src": "1906:183:52", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 12197, "src": "215:1876:52" } ], "src": "0:2092:52" }, "compiler": { "name": "solc", "version": "0.5.8+commit.23d335f2.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.13", "updatedAt": "2020-03-31T16:16:12.031Z", "devdoc": { "details": "The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of \"user permissions\".", "methods": { "constructor": { "details": "The Ownable constructor sets the original `owner` of the contract to the sender account." }, "isOwner()": { "return": "true if `msg.sender` is the owner of the contract." }, "owner()": { "return": "the address of the owner." }, "renounceOwnership()": { "details": "Allows the current owner to relinquish control of the contract." }, "transferOwnership(address)": { "details": "Allows the current owner to transfer control of the contract to a newOwner.", "params": { "newOwner": "The address to transfer ownership to." } } }, "title": "Ownable" }, "userdoc": { "methods": { "renounceOwnership()": { "notice": "Renouncing to ownership will leave the contract without an owner. It will not be possible to call the functions with the `onlyOwner` modifier anymore." } } } }