{ "contractName": "DeedImplementation", "abi": [ { "inputs": [ { "name": "initialOwner", "type": "address" } ], "payable": true, "stateMutability": "payable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "newOwner", "type": "address" } ], "name": "OwnerChanged", "type": "event" }, { "anonymous": false, "inputs": [], "name": "DeedClosed", "type": "event" }, { "constant": false, "inputs": [ { "name": "newOwner", "type": "address" } ], "name": "setOwner", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newRegistrar", "type": "address" } ], "name": "setRegistrar", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newValue", "type": "uint256" }, { "name": "throwOnFailure", "type": "bool" } ], "name": "setBalance", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "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": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "previousOwner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "value", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "creationDate", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, 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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": "/Users/deaneigenmann/Documents/ens/contracts/DeedImplementation.sol", "ast": { "absolutePath": "/Users/deaneigenmann/Documents/ens/contracts/DeedImplementation.sol", "exportedSymbols": { "DeedImplementation": [ 368 ] }, "id": 369, "nodeType": "SourceUnit", "nodes": [ { "id": 118, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:2" }, { "absolutePath": "/Users/deaneigenmann/Documents/ens/contracts/Deed.sol", "file": "./Deed.sol", "id": 119, "nodeType": "ImportDirective", "scope": 369, "sourceUnit": 117, "src": "25:20:2", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 120, "name": "Deed", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 116, "src": "251:4:2", "typeDescriptions": { "typeIdentifier": "t_contract$_Deed_$116", "typeString": "contract Deed" } }, "id": 121, "nodeType": "InheritanceSpecifier", "src": "251:4:2" } ], "contractDependencies": [ 116 ], "contractKind": "contract", "documentation": "@title Deed to hold ether in exchange for ownership of a node\n@dev The deed can be controlled only by the registrar and can only send ether back to the owner.", "fullyImplemented": true, "id": 368, "linearizedBaseContracts": [ 368, 116 ], "name": "DeedImplementation", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 126, "name": "burn", "nodeType": "VariableDeclaration", "scope": 368, "src": "263:47:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 122, "name": "address", "nodeType": "ElementaryTypeName", "src": "263:15:2", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "307864656164", "id": 124, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "303:6:2", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_57005_by_1", "typeString": "int_const 57005" }, "value": "0xdead" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_57005_by_1", "typeString": "int_const 57005" } ], "id": 123, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "295:7:2", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 125, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "295:15:2", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "visibility": "internal" }, { "constant": false, "id": 128, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 368, "src": "317:30:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 127, "name": "address", "nodeType": "ElementaryTypeName", "src": "317:15:2", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 130, "name": "_previousOwner", "nodeType": "VariableDeclaration", "scope": 368, "src": "353:30:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 129, "name": "address", "nodeType": "ElementaryTypeName", "src": "353:7:2", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 132, "name": "_registrar", "nodeType": "VariableDeclaration", "scope": 368, "src": "389:26:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": 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