safe-react/safe-contracts/build/contracts/SocialRecoveryModule.json

{
  "contractName": "SocialRecoveryModule",
  "abi": [
    {
      "constant": true,
      "inputs": [],
      "name": "threshold",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "manager",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "name": "isFriend",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_masterCopy",
          "type": "address"
        }
      ],
      "name": "changeMasterCopy",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "NAME",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "",
          "type": "bytes32"
        },
        {
          "name": "",
          "type": "address"
        }
      ],
      "name": "isConfirmed",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "name": "friends",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "",
          "type": "bytes32"
        }
      ],
      "name": "isExecuted",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "VERSION",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_friends",
          "type": "address[]"
        },
        {
          "name": "_threshold",
          "type": "uint256"
        }
      ],
      "name": "setup",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "dataHash",
          "type": "bytes32"
        }
      ],
      "name": "confirmTransaction",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "prevOwner",
          "type": "address"
        },
        {
          "name": "oldOwner",
          "type": "address"
        },
        {
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "recoverAccess",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "dataHash",
          "type": "bytes32"
        }
      ],
      "name": "isConfirmedByRequiredFriends",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "data",
          "type": "bytes"
        }
      ],
      "name": "getDataHash",
      "outputs": [
        {
          "name": "",
          "type": "bytes32"
        }
      ],
      "payable": false,
      "stateMutability": "pure",
      "type": "function"
    }
  ],
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  "source": "pragma solidity 0.4.24;\nimport \"../Enum.sol\";\nimport \"../Module.sol\";\nimport \"../ModuleManager.sol\";\nimport \"../OwnerManager.sol\";\n\n\n/// @title Social Recovery Module - Allows to replace an owner without Safe confirmations if friends approve the replacement.\n/// @author Stefan George - <stefan@gnosis.pm>\ncontract SocialRecoveryModule is Module {\n\n    string public constant NAME = \"Social Recovery Module\";\n    string public constant VERSION = \"0.0.1\";\n\n    uint256 public threshold;\n    address[] public friends;\n\n    // isFriend mapping maps friend's address to friend status.\n    mapping (address => bool) public isFriend;\n    // isExecuted mapping maps data hash to execution status.\n    mapping (bytes32 => bool) public isExecuted;\n    // isConfirmed mapping maps data hash to friend's address to confirmation status.\n    mapping (bytes32 => mapping (address => bool)) public isConfirmed;\n\n    modifier onlyFriend() {\n        require(isFriend[msg.sender], \"Method can only be called by a friend\");\n        _;\n    }\n\n    /// @dev Setup function sets initial storage of contract.\n    /// @param _friends List of friends' addresses.\n    /// @param _threshold Required number of friends to confirm replacement.\n    function setup(address[] _friends, uint256 _threshold)\n        public\n    {\n        require(_threshold <= _friends.length, \"Threshold cannot exceed friends count\");\n        require(_threshold >= 2, \"At least 2 friends required\");\n        setManager();\n        // Set allowed friends.\n        for (uint256 i = 0; i < _friends.length; i++) {\n            address friend = _friends[i];\n            require(friend != 0, \"Invalid friend address provided\");\n            require(!isFriend[friend], \"Duplicate friend address provided\");\n            isFriend[friend] = true;\n        }\n        friends = _friends;\n        threshold = _threshold;\n    }\n\n    /// @dev Allows a friend to confirm a Safe transaction.\n    /// @param dataHash Safe transaction hash.\n    function confirmTransaction(bytes32 dataHash)\n        public\n        onlyFriend\n    {\n        require(!isExecuted[dataHash], \"Recovery already executed\");\n        isConfirmed[dataHash][msg.sender] = true;\n    }\n\n    /// @dev Returns if Safe transaction is a valid owner replacement transaction.\n    /// @param prevOwner Owner that pointed to the owner to be replaced in the linked list\n    /// @param oldOwner Owner address to be replaced.\n    /// @param newOwner New owner address.\n    /// @return Returns if transaction can be executed.\n    function recoverAccess(address prevOwner, address oldOwner, address newOwner)\n        public\n        onlyFriend\n    {\n        bytes memory data = abi.encodeWithSignature(\"swapOwner(address,address,address)\", prevOwner, oldOwner, newOwner);\n        bytes32 dataHash = getDataHash(data);\n        require(!isExecuted[dataHash], \"Recovery already executed\");\n        require(isConfirmedByRequiredFriends(dataHash), \"Recovery has not enough confirmations\");\n        isExecuted[dataHash] = true;\n        require(manager.execTransactionFromModule(address(manager), 0, data, Enum.Operation.Call), \"Could not execute recovery\");\n    }\n\n    /// @dev Returns if Safe transaction is a valid owner replacement transaction.\n    /// @param dataHash Data hash.\n    /// @return Confirmation status.\n    function isConfirmedByRequiredFriends(bytes32 dataHash)\n        public\n        view\n        returns (bool)\n    {\n        uint256 confirmationCount;\n        for (uint256 i = 0; i < friends.length; i++) {\n            if (isConfirmed[dataHash][friends[i]])\n                confirmationCount++;\n            if (confirmationCount == threshold)\n                return true;\n        }\n        return false;\n    }\n\n    /// @dev Returns hash of data encoding owner replacement.\n    /// @param data Data payload.\n    /// @return Data hash.\n    function getDataHash(bytes data)\n        public\n        pure\n        returns (bytes32)\n    {\n        return keccak
  "sourcePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/modules/SocialRecoveryModule.sol",
  "ast": {
    "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/modules/SocialRecoveryModule.sol",
    "exportedSymbols": {
      "SocialRecoveryModule": [
        3680
      ]
    },
    "id": 3681,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 3417,
        "literals": [
          "solidity",
          "0.4",
          ".24"
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