{ "contractName": "DeedImplementation", "abi": [ { "inputs": [ { "internalType": "address payable", "name": "initialOwner", "type": "address" } ], "payable": true, "stateMutability": "payable", "type": "constructor" }, { "anonymous": false, "inputs": [], "name": "DeedClosed", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnerChanged", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address payable", "name": "newOwner", "type": "address" } ], "name": "setOwner", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "newRegistrar", "type": "address" } ], "name": "setRegistrar", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "newValue", "type": "uint256" }, { "internalType": "bool", "name": "throwOnFailure", "type": "bool" } ], "name": "setBalance", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "refundRatio", "type": "uint256" } ], "name": "closeDeed", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "destroyDeed", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "previousOwner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "value", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "creationDate", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address payable\",\"name\":\"initialOwner\",\"type\":\"address\"}],\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"DeedClosed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnerChanged\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"refundRatio\",\"type\":\"uint256\"}],\"name\":\"closeDeed\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"creationDate\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"destroyDeed\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"previousOwner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"newValue\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"throwOnFailure\",\"type\":\"bool\"}],\"name\":\"setBalance\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address payable\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"setOwner\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"newRegistrar\",\"type\":\"address\"}],\"name\":\"setRegistrar\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"value\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"The deed can be controlled only by the registrar and can only send ether back to the owner.\",\"methods\":{\"closeDeed(uint256)\":{\"details\":\"Close a deed and refund a specified fraction of the bid value\",\"params\":{\"refundRatio\":\"The amount*1/1000 to refund\"}},\"destroyDeed()\":{\"details\":\"Close a deed and refund a specified fraction of the bid value\"}},\"title\":\"Deed to hold ether in exchange for ownership of a node\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@ensdomains/ens/contracts/DeedImplementation.sol\":\"DeedImplementation\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@ensdomains/ens/contracts/Deed.sol\":{\"keccak256\":\"0x7b4abd2f65e2e093743077b899d0fb4952627ad7ff6104b840f9869f5baa5e96\",\"urls\":[\"bzz-raw://d72dc40eb83ded3cca64d6c1b9958f665f4cd61115fed4d32dfd62d0c6ded0fc\",\"dweb:/ipfs/Qmdkef7QyeJDF96ToptWRWroYYuD8XjCvrtxy46dA62iA2\"]},\"@ensdomains/ens/contracts/DeedImplementation.sol\":{\"keccak256\":\"0x91242ba8032d5e01a8a59da84afb4d0d5b1007d4257bde8e6caa20fbc700cdc7\",\"urls\":[\"bzz-raw://6810d6c6038674ba3736a199aa71d2a9bcbbb10bffc796f13e1b52de0de91854\",\"dweb:/ipfs/QmdSjH6EhvqTnqhVKkUkvs6PVT67wAxq4gwerFLZ4UsD5c\"]}},\"version\":1}", "bytecode": 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"source": "pragma solidity ^0.5.0;\n\nimport \"./Deed.sol\";\n\n/**\n * @title Deed to hold ether in exchange for ownership of a node\n * @dev The deed can be controlled only by the registrar and can only send ether back to the owner.\n */\ncontract DeedImplementation is Deed {\n\n address payable constant burn = address(0xdead);\n\n address payable private _owner;\n address private _previousOwner;\n address private _registrar;\n\n uint private _creationDate;\n uint private _value;\n\n bool active;\n\n event OwnerChanged(address newOwner);\n event DeedClosed();\n\n modifier onlyRegistrar {\n require(msg.sender == _registrar);\n _;\n }\n\n modifier onlyActive {\n require(active);\n _;\n }\n\n constructor(address payable initialOwner) public payable {\n _owner = initialOwner;\n _registrar = msg.sender;\n _creationDate = now;\n active = true;\n _value = msg.value;\n }\n\n function setOwner(address payable newOwner) external onlyRegistrar {\n require(newOwner != address(0x0));\n _previousOwner = _owner; // This allows contracts to check who sent them the ownership\n _owner = newOwner;\n emit OwnerChanged(newOwner);\n }\n\n function setRegistrar(address newRegistrar) external onlyRegistrar {\n _registrar = newRegistrar;\n }\n\n function setBalance(uint newValue, bool throwOnFailure) external onlyRegistrar onlyActive {\n // Check if it has enough balance to set the value\n require(_value >= newValue);\n _value = newValue;\n // Send the difference to the owner\n require(_owner.send(address(this).balance - newValue) || !throwOnFailure);\n }\n\n /**\n * @dev Close a deed and refund a specified fraction of the bid value\n *\n * @param refundRatio The amount*1/1000 to refund\n */\n function closeDeed(uint refundRatio) external onlyRegistrar onlyActive {\n active = false;\n require(burn.send(((1000 - refundRatio) * address(this).balance)/1000));\n emit DeedClosed();\n _destroyDeed();\n }\n\n /**\n * @dev Close a deed and refund a specified fraction of the bid value\n */\n function destroyDeed() external {\n _destroyDeed();\n }\n\n function owner() external view returns (address) {\n return _owner;\n }\n\n function previousOwner() external view returns (address) {\n return _previousOwner;\n }\n\n function value() external view returns (uint) {\n return _value;\n }\n\n function creationDate() external view returns (uint) {\n _creationDate;\n }\n\n function _destroyDeed() internal {\n require(!active);\n\n // Instead of selfdestruct(owner), invoke owner fallback function to allow\n // owner to log an event if desired; but owner should also be aware that\n // its fallback function can also be invoked by setBalance\n if (_owner.send(address(this).balance)) {\n selfdestruct(burn);\n }\n }\n}\n", "sourcePath": "@ensdomains/ens/contracts/DeedImplementation.sol", "ast": { "absolutePath": "@ensdomains/ens/contracts/DeedImplementation.sol", "exportedSymbols": { "DeedImplementation": [ 6726 ] }, "id": 6727, "nodeType": "SourceUnit", "nodes": [ { "id": 6476, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:24" }, { "absolutePath": "@ensdomains/ens/contracts/Deed.sol", "file": "./Deed.sol", "id": 6477, "nodeType": "ImportDirective", "scope": 6727, "sourceUnit": 6475, "src": "25:20:24", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6478, "name": "Deed", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6474, "src": "251:4:24", "typeDescriptions": { "typeIdentifier": "t_contract$_Deed_$6474", "typeString": "contract Deed" } }, "id": 6479, "nodeType": "InheritanceSpecifier", "src": "251:4:24" } ], "contractDependencies": [ 6474 ], "contractKind": "contract", "documentation": "@title Deed to hold ether in exchange for ownership of a node\n@dev The deed can be controlled only by the registrar and can only send ether back to the owner.", "fullyImplemented": true, "id": 6726, "linearizedBaseContracts": [ 6726, 6474 ], 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false, "names": [], "nodeType": "FunctionCall", "src": "2901:34:24", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 6723, "nodeType": "IfStatement", "src": "2897:83:24", "trueBody": { "id": 6722, "nodeType": "Block", "src": "2937:43:24", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6719, "name": "burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6484, "src": "2964:4:24", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 6718, "name": "selfdestruct", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 13018, "src": "2951:12:24", "typeDescriptions": { "typeIdentifier": "t_function_selfdestruct_nonpayable$_t_address_payable_$returns$__$", "typeString": "function (address payable)" } }, "id": 6720, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2951:18:24", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6721, "nodeType": "ExpressionStatement", "src": "2951:18:24" } ] } } ] }, "documentation": null, "id": 6725, "implemented": true, "kind": "function", "modifiers": [], "name": "_destroyDeed", "nodeType": "FunctionDefinition", "parameters": { "id": 6704, "nodeType": "ParameterList", "parameters": [], "src": "2617:2:24" }, "returnParameters": { "id": 6705, "nodeType": "ParameterList", "parameters": [], "src": "2629:0:24" }, "scope": 6726, "src": "2596:390:24", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 6727, "src": "220:2768:24" } ], "src": "0:2989:24" }, "compiler": { "name": "solc", "version": "0.5.16+commit.9c3226ce.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.0", "updatedAt": "2020-06-17T12:57:44.969Z", "devdoc": { "details": "The deed can be controlled only by the registrar and can only send ether back to the owner.", "methods": { "closeDeed(uint256)": { "details": "Close a deed and refund a specified fraction of the bid value", "params": { "refundRatio": "The amount*1/1000 to refund" } }, "destroyDeed()": { "details": "Close a deed and refund a specified fraction of the bid value" } }, "title": "Deed to hold ether in exchange for ownership of a node" }, "userdoc": { "methods": {} } }