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/**
 *Submitted for verification at Etherscan.io on 2020-08-24
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.5.17;

interface SmartWalletChecker {
    function check(address) external view returns (bool);
}

contract SmartWalletWhitelist {
    
    mapping(address => bool) public wallets;
    address public dao;
    address public checker;
    address public future_checker;
    
    event ApproveWallet(address);
    event RevokeWallet(address);
    
    constructor(address _dao) public {
        dao = _dao;
        wallets[0xF147b8125d2ef93FB6965Db97D6746952a133934] = true;
        emit ApproveWallet(0xF147b8125d2ef93FB6965Db97D6746952a133934);
    }
    
    function commitSetChecker(address _checker) external {
        require(msg.sender == dao, "!dao");
        future_checker = _checker;
    }
    
    function applySetChecker() external {
        require(msg.sender == dao, "!dao");
        checker = future_checker;
    }
    
    function approveWallet(address _wallet) public {
        require(msg.sender == dao, "!dao");
        wallets[_wallet] = true;
        
        emit ApproveWallet(_wallet);
    }
    function revokeWallet(address _wallet) external {
        require(msg.sender == dao, "!dao");
        wallets[_wallet] = false;
        
        emit RevokeWallet(_wallet);
    }
    
    function check(address _wallet) external view returns (bool) {
        bool _check = wallets[_wallet];
        if (_check) {
            return _check;
        } else {
            if (checker != address(0)) {
                return SmartWalletChecker(checker).check(_wallet);
            }
        }
        return false;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_dao","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"}],"name":"ApproveWallet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"}],"name":"RevokeWallet","type":"event"},{"constant":false,"inputs":[],"name":"applySetChecker","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"approveWallet","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"check","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"checker","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_checker","type":"address"}],"name":"commitSetChecker","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"dao","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"future_checker","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"revokeWallet","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"wallets","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"}]

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00000000000000000000000040907540d8a6c65c637785e8f8b742ae6b0b9968

-----Decoded View---------------
Arg [0] : _dao (address): 0x40907540d8a6C65c637785e8f8B742ae6b0b9968

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000040907540d8a6c65c637785e8f8b742ae6b0b9968

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bzzr://a2d56699e611da2792ad28ee48917a14a883fb4a9ec1802ea1de503fd4a836eb