SelfRescueRegistry

Description:

Multi-signature wallet contract requiring multiple confirmations for transaction execution.

Blockchain: Ethereum

Source Code: View Code On The Blockchain

Solidity Source Code:

{{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}
"
    },
    "contracts/SelfRescueRegistry.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

/* *
*  /$$$$$$                                                                                         
* /$$__  $$                                                                                        
*| $$  \__/ /$$   /$$ /$$$$$$$   /$$$$$$   /$$$$$$   /$$$$$$  /$$   /$$                            
*|  $$$$$$ | $$  | $$| $$__  $$ /$$__  $$ /$$__  $$ /$$__  $$| $$  | $$                            
* \____  $$| $$  | $$| $$  \ $$| $$$$$$$$| $$  \__/| $$  \ $$| $$  | $$                            
* /$$  \ $$| $$  | $$| $$  | $$| $$_____/| $$      | $$  | $$| $$  | $$                            
*|  $$$$$$/|  $$$$$$$| $$  | $$|  $$$$$$$| $$      |  $$$$$$$|  $$$$$$$                            
* \______/  \____  $$|__/  |__/ \_______/|__/       \____  $$ \____  $$                            
*           /$$  | $$                               /$$  \ $$ /$$  | $$                            
*          |  $$$$$$/                              |  $$$$$$/|  $$$$$$/                            
*           \______/                                \______/  \______/                             
*  /$$$$$$            /$$  /$$$$$$      /$$$$$$$                                                   
* /$$__  $$          | $$ /$$__  $$    | $$__  $$                                                  
*| $$  \__/  /$$$$$$ | $$| $$  \__/    | $$  \ $$  /$$$$$$   /$$$$$$$  /$$$$$$$ /$$   /$$  /$$$$$$ 
*|  $$$$$$  /$$__  $$| $$| $$$$ /$$$$$$| $$$$$$$/ /$$__  $$ /$$_____/ /$$_____/| $$  | $$ /$$__  $$
* \____  $$| $$$$$$$$| $$| $$_/|______/| $$__  $$| $$$$$$$$|  $$$$$$ | $$      | $$  | $$| $$$$$$$$
* /$$  \ $$| $$_____/| $$| $$          | $$  \ $$| $$_____/ \____  $$| $$      | $$  | $$| $$_____/
*|  $$$$$$/|  $$$$$$$| $$| $$          | $$  | $$|  $$$$$$$ /$$$$$$$/|  $$$$$$$|  $$$$$$/|  $$$$$$$
* \______/  \_______/|__/|__/          |__/  |__/ \_______/|_______/  \_______/ \______/  \_______/
*                                                                                                  
*                                                                                                  
*                                                                                                  
* /$$$$$$$                      /$$             /$$                                                
*| $$__  $$                    |__/            | $$                                                
*| $$  \ $$  /$$$$$$   /$$$$$$  /$$  /$$$$$$$ /$$$$$$    /$$$$$$  /$$   /$$                        
*| $$$$$$$/ /$$__  $$ /$$__  $$| $$ /$$_____/|_  $$_/   /$$__  $$| $$  | $$                        
*| $$__  $$| $$$$$$$$| $$  \ $$| $$|  $$$$$$   | $$    | $$  \__/| $$  | $$                        
*| $$  \ $$| $$_____/| $$  | $$| $$ \____  $$  | $$ /$$| $$      | $$  | $$                        
*| $$  | $$|  $$$$$$$|  $$$$$$$| $$ /$$$$$$$/  |  $$$$/| $$      |  $$$$$$$                        
*|__/  |__/ \_______/ \____  $$|__/|_______/    \___/  |__/       \____  $$                        
*                     /$$  \ $$                                   /$$  | $$                        
*                    |  $$$$$$/                                  |  $$$$$$/                        
*                     \______/                                    \______/                         
* */

/**
 * SelfRescueRegistry
 * ------------------
 * - Users opt-in by registering a recovery address and a timelock.
 * - They can **initiate** a rescue which starts the clock.
 * - After the timelock, anyone can call `executeRescue(from)` but funds move **only to the registered recovery**.
 * - Users can **cancel** before the timelock elapses.
 * - No owner seizes funds; no centralized role invokes arbitrary transfers.
 * - Marked as a **rescue executor** for SNRG so restricted transfers allow this move.
 */

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IRestrictedToken is IERC20 {
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

contract SelfRescueRegistry is Ownable {
    struct Plan {
        address recovery;
        uint64 delay;       // seconds
        uint64 eta;         // when executable (0 = none / canceled)
    }
    
    // MODIFIED: Added constant for clarity
    uint64 public constant MINIMUM_RESCUE_DELAY = 1 days;

    mapping(address => Plan) public plans;
    address public token;
    mapping(address => bool) public isExecutor; // contracts allowed to call token during execute

    event PlanRegistered(address indexed user, address indexed recovery, uint64 delay);
    event RescueInitiated(address indexed user, uint64 eta);
    event RescueCanceled(address indexed user);
    event RescueExecuted(address indexed user, address indexed recovery, uint256 amount);
    event ExecutorSet(address indexed executor, bool enabled);

    constructor(address owner_) Ownable(owner_) {
        isExecutor[address(this)] = true; // registry itself is an executor
        emit ExecutorSet(address(this), true);
    }

    function registerPlan(address recovery, uint64 delay) external {
        require(recovery != address(0), "recovery=0");
        // MODIFIED: Using constant
        require(delay >= MINIMUM_RESCUE_DELAY, "delay too short");
        plans[msg.sender] = Plan({recovery: recovery, delay: delay, eta: 0});
        emit PlanRegistered(msg.sender, recovery, delay);
    }

    function initiateRescue() external {
        Plan storage p = plans[msg.sender];
        require(p.recovery != address(0), "no plan");
        p.eta = uint64(block.timestamp) + p.delay;
        emit RescueInitiated(msg.sender, p.eta);
    }

    function cancelRescue() external {
        Plan storage p = plans[msg.sender];
        require(p.eta != 0, "no active");
        p.eta = 0;
        emit RescueCanceled(msg.sender);
    }

    function canExecuteRescue(address victim) external view returns (bool) {
        Plan memory p = plans[victim];
        return (p.eta != 0 && block.timestamp >= p.eta);
    }

    function isRescueExecutor(address caller) external view returns (bool) {
        return isExecutor[caller];
    }

    function setExecutor(address exec, bool enabled) external onlyOwner {
        isExecutor[exec] = enabled;
        emit ExecutorSet(exec, enabled);
    }

    function setToken(address _token) external onlyOwner {
        require(token == address(0), "Token address already set");
        require(_token != address(0), "token=0");
        token = _token;
    }
    
    /**
     * Executes the rescue by transferring the specified balance to the recovery address.
     * This call is permissionless once matured.
     * MODIFIED: Now accepts an `amount` for flexible rescues.
     */
    function executeRescue(address victim, uint256 amount) external {
        Plan memory p = plans[victim];
        require(p.eta != 0 && block.timestamp >= p.eta, "not matured");
        require(amount > 0, "amount=0");

        // Clear ETA to prevent re-entrancy or repeated calls for the *same* initiation
        plans[victim].eta = 0;

        uint256 balance = IERC20(token).balanceOf(victim);
        require(amount <= balance, "insufficient balance");
        
        bool ok = IRestrictedToken(token).transferFrom(victim, p.recovery, amount);
        require(ok, "transferFrom fail");

        emit RescueExecuted(victim, p.recovery, amount);
    }
}"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "evmVersion": "paris",
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}}

Tags:
ERC20, Multisig, Multi-Signature, Factory|addr:0x0930af9d230ed38ce97ae04b8820a37d2420e210|verified:true|block:23542119|tx:0x7ab930f265edbb363554a8f71ead4c02e1d5f8a8dc52ac98db8a9b2a8693a133|first_check:1760079797

Submitted on: 2025-10-10 09:03:17

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