{
  "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"
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      ],
      "name": "setRegistrar",
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      "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"
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    {
      "constant": false,
      "inputs": [],
      "name": "destroyDeed",
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      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
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    {
      "constant": true,
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
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          "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"
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    {
      "constant": true,
      "inputs": [],
      "name": "value",
      "outputs": [
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          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
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    {
      "constant": true,
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      "name": "creationDate",
      "outputs": [
        {
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          "name": "",
          "type": "uint256"
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      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
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  ],
  "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\":{\"/Users/makoto/work/ens/ens/contracts/DeedImplementation.sol\":\"DeedImplementation\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/makoto/work/ens/ens/contracts/Deed.sol\":{\"keccak256\":\"0x7b4abd2f65e2e093743077b899d0fb4952627ad7ff6104b840f9869f5baa5e96\",\"urls\":[\"bzz-raw://d72dc40eb83ded3cca64d6c1b9958f665f4cd61115fed4d32dfd62d0c6ded0fc\",\"dweb:/ipfs/Qmdkef7QyeJDF96ToptWRWroYYuD8XjCvrtxy46dA62iA2\"]},\"/Users/makoto/work/ens/ens/contracts/DeedImplementation.sol\":{\"keccak256\":\"0x91242ba8032d5e01a8a59da84afb4d0d5b1007d4257bde8e6caa20fbc700cdc7\",\"urls\":[\"bzz-raw://6810d6c6038674ba3736a199aa71d2a9bcbbb10bffc796f13e1b52de0de91854\",\"dweb:/ipfs/QmdSjH6EhvqTnqhVKkUkvs6PVT67wAxq4gwerFLZ4UsD5c\"]}},\"version\":1}",
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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/makoto/work/ens/ens/contracts/DeedImplementation.sol",
  "ast": {
    "absolutePath": "/Users/makoto/work/ens/ens/contracts/DeedImplementation.sol",
    "exportedSymbols": {
      "DeedImplementation": [
        299
      ]
    },
    "id": 300,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 49,
        "literals": [
          "solidity",
          "^",
          "0.5",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:1"
      },
      {
        "absolutePath": "/Users/makoto/work/ens/ens/contracts/Deed.sol",
        "file": "./Deed.sol",
        "id": 50,
        "nodeType": "ImportDirective",
        "scope": 300,
        "sourceUnit": 48,
        "src": "25:20:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 51,
              "name": "Deed",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 47,
              "src": "251:4:1",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_Deed_$47",
                "typeString": "contract Deed"
              }
            },
            "id": 52,
            "nodeType": "InheritanceSpecifier",
            "src": "251:4:1"
          }
        ],
        "contractDependencies": [
          47
        ],
        "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.",
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}