{ "contractName": "SimplePriceOracle", "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" }, { "constant": true, "inputs": [], "name": "rentPrice", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "_rentPrice", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "price", "type": "uint256" } ], "name": "RentPriceChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": false, "inputs": [ { "name": "_rentPrice", "type": "uint256" } ], "name": "setPrice", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "string" }, { "name": "", "type": "uint256" }, { "name": "duration", "type": "uint256" } ], "name": "price", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.8+commit.23d335f2\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"string\"},{\"name\":\"\",\"type\":\"uint256\"},{\"name\":\"duration\",\"type\":\"uint256\"}],\"name\":\"price\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_rentPrice\",\"type\":\"uint256\"}],\"name\":\"setPrice\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"rentPrice\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"_rentPrice\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"price\",\"type\":\"uint256\"}],\"name\":\"RentPriceChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"}],\"devdoc\":{\"methods\":{\"isOwner()\":{\"return\":\"true if `msg.sender` is the owner of the contract.\"},\"owner()\":{\"return\":\"the address of the owner.\"},\"price(string,uint256,uint256)\":{\"details\":\"Returns the price to register or renew a name.\",\"params\":{\"duration\":\"How long the name is being registered or extended for, in seconds.\"},\"return\":\"The price of this renewal or registration, in wei.\"},\"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.\"}}}},\"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\":{\"/Users/makoto/work/ens/ethregistrar/contracts/SimplePriceOracle.sol\":\"SimplePriceOracle\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/makoto/work/ens/ethregistrar/contracts/PriceOracle.sol\":{\"keccak256\":\"0x9e21289a1fa35c8075409acca1de56450a24a139c6c905f789cd435409468a4d\",\"urls\":[\"bzzr://cf84b36faf6af6abba54cee75dbf31e28048eb666496d1f9535e2ccfd4353ec8\"]},\"/Users/makoto/work/ens/ethregistrar/contracts/SafeMath.sol\":{\"keccak256\":\"0x5ee355097dba17dff1eb9c6271b18ab14c79e8087977a910583439992bdf8dbb\",\"urls\":[\"bzzr://5263a26364d030dd0ddaedcf03445e74ec1f500e3599bca7609e0865507036dd\"]},\"/Users/makoto/work/ens/ethregistrar/contracts/SimplePriceOracle.sol\":{\"keccak256\":\"0x5555e8d9983b567ffb4c7df9147b2a11db0b5104f9f7be58bddcf1c312697374\",\"urls\":[\"bzzr://7a091b19cc847301d15f784afbc81ad2cb0921a8b7ba56dd57922ca2d8a9405e\"]},\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x980de387a1a020a498f53d00f89fecebb12c949a17e8f160093c0303ede2b786\",\"urls\":[\"bzzr://08894efa2a557982070beda6a81a032407e70532d24bdafe80d39660c74904d9\"]}},\"version\":1}", 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"source": "pragma solidity ^0.5.0;\n\nimport \"./PriceOracle.sol\";\nimport \"./SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/ownership/Ownable.sol\";\n\ncontract SimplePriceOracle is Ownable, PriceOracle {\n using SafeMath for *;\n\n // Rent in wei per second\n uint public rentPrice;\n\n event RentPriceChanged(uint price);\n\n constructor(uint _rentPrice) public {\n setPrice(_rentPrice);\n }\n\n function setPrice(uint _rentPrice) public onlyOwner {\n rentPrice = _rentPrice;\n emit RentPriceChanged(_rentPrice);\n }\n\n /**\n * @dev Returns the price to register or renew a name.\n * @param duration How long the name is being registered or extended for, in seconds.\n * @return The price of this renewal or registration, in wei.\n */\n function price(string calldata /*name*/, uint /*expires*/, uint duration) external view returns(uint) {\n return duration.mul(rentPrice);\n }\n}\n", "sourcePath": "/Users/makoto/work/ens/ethregistrar/contracts/SimplePriceOracle.sol", "ast": { "absolutePath": "/Users/makoto/work/ens/ethregistrar/contracts/SimplePriceOracle.sol", "exportedSymbols": { "SimplePriceOracle": [ 4075 ] }, "id": 4076, "nodeType": "SourceUnit", "nodes": [ { "id": 4016, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:12" }, { "absolutePath": "/Users/makoto/work/ens/ethregistrar/contracts/PriceOracle.sol", "file": "./PriceOracle.sol", "id": 4017, "nodeType": "ImportDirective", "scope": 4076, "sourceUnit": 2240, "src": "25:27:12", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/makoto/work/ens/ethregistrar/contracts/SafeMath.sol", "file": "./SafeMath.sol", "id": 4018, "nodeType": "ImportDirective", "scope": 4076, "sourceUnit": 2863, "src": "53:24:12", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "id": 4019, "nodeType": "ImportDirective", "scope": 4076, "sourceUnit": 12206, "src": "78:63:12", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 4020, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12205, "src": "173:7:12", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$12205", "typeString": "contract Ownable" } }, "id": 4021, "nodeType": "InheritanceSpecifier", "src": "173:7:12" }, { "arguments": null, "baseName": { "contractScope": null, "id": 4022, "name": "PriceOracle", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2239, "src": "182:11:12", "typeDescriptions": { "typeIdentifier": "t_contract$_PriceOracle_$2239", "typeString": "contract PriceOracle" } }, "id": 4023, "nodeType": "InheritanceSpecifier", "src": "182:11:12" } ], "contractDependencies": [ 2239, 12205 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 4075, "linearizedBaseContracts": [ 4075, 2239, 12205 ], "name": "SimplePriceOracle", "nodeType": "ContractDefinition", "nodes": [ { "id": 4025, "libraryName": { "contractScope": null, "id": 4024, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2862, "src": "206:8:12", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$2862", "typeString": "library SafeMath" } }, "nodeType": "UsingForDirective", "src": "200:21:12", "typeName": null }, { "constant": false, "id": 4027, "name": "rentPrice", "nodeType": "VariableDeclaration", "scope": 4075, "src": "257:21:12", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4026, "name": "uint", "nodeType": "ElementaryTypeName", "src": "257:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "public" }, { "anonymous": false, "documentation": null, "id": 4031, "name": "RentPriceChanged", "nodeType": "EventDefinition", "parameters": { "id": 4030, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4029, "indexed": false, "name": "price", "nodeType": "VariableDeclaration", "scope": 4031, "src": "308:10:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4028, "name": "uint", "nodeType": "ElementaryTypeName", "src": "308:4:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "307:12:12" }, "src": "285:35:12" }, { "body": { "id": 4040, "nodeType": "Block", "src": "362:37:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4037, "name": "_rentPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4033, "src": "381:10:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": 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