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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.12;

import {AccountFactoryStorageBase} from "./AccountFactoryStorage.sol";

contract AccountFactoryProxy is AccountFactoryStorageBase {
    
    event ImplementationSet(address indexed oldImpl, address indexed newImpl);

    constructor(address impl, address _owner, address walletTemplate) {
        implementation = impl;
        owner = _owner;

        (bool success, bytes memory returnData) = implementation.delegatecall(
            abi.encodeWithSignature("initialize(address)", 
            walletTemplate
        ));
        require(success, string(returnData));
    }

    function setImplementation(address impl) external onlyOwner {
        require(impl != address(0), "implementation is address 0");
        address oldImpl = implementation;
        implementation = impl;
        emit ImplementationSet(oldImpl, impl);
    }

    receive() external payable {
        revert("do not transfer to me");
    }

    /// @dev Fallback function forwards all transactions and returns all received return data.
    fallback() external payable {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let _singleton := and(
                sload(0),
                0xffffffffffffffffffffffffffffffffffffffff
            )
            calldatacopy(0, 0, calldatasize())
            let success := delegatecall(
                gas(),
                _singleton,
                0,
                calldatasize(),
                0,
                0
            )
            returndatacopy(0, 0, returndatasize())
            if eq(success, 0) {
                revert(0, returndatasize())
            }
            return(0, returndatasize())
        }
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.12;

contract AccountFactoryStorageBase {
    address public implementation; // keep it the 1st slot
    address public owner;     // keep it the 2nd slot
    uint8   public initialized; // for initialize method.

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    
    modifier onlyOwner() {
        require(msg.sender == owner, "OnlyOwner allowed");
        _;
    }
    
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        address oldOwner = owner;
        owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

contract AccountFactoryStorage is AccountFactoryStorageBase {
    // SmartAccount template => bool, save the 
    mapping(address => bool) public safeSingleton;
    // wallet address => bool,  save accounts created by this Factory.
    // mapping(address => bool) public walletWhiteList;
    

    // NOTICE: add new storage variables below
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"impl","type":"address"},{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"walletTemplate","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldImpl","type":"address"},{"indexed":true,"internalType":"address","name":"newImpl","type":"address"}],"name":"ImplementationSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"impl","type":"address"}],"name":"setImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000001bbfe892ddb1e1ded5e6ad98a8b267fa43682bd000000000000000000000000e24bfa481cee75e4fd64e14915e6d104f8696159000000000000000000000000ac78f1101883a68babcfbaccccaadc7d55e657ba

-----Decoded View---------------
Arg [0] : impl (address): 0x01bBFe892ddB1e1dED5E6Ad98a8B267fA43682BD
Arg [1] : _owner (address): 0xe24bfA481CEe75E4Fd64E14915e6D104f8696159
Arg [2] : walletTemplate (address): 0xAc78F1101883a68bABCfBacCCCaADc7D55e657bA

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000001bbfe892ddb1e1ded5e6ad98a8b267fa43682bd
Arg [1] : 000000000000000000000000e24bfa481cee75e4fd64e14915e6d104f8696159
Arg [2] : 000000000000000000000000ac78f1101883a68babcfbaccccaadc7d55e657ba