// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.18 <0.8.20;

// ungravel.eth, GroupWalletFactory, GroupWalletMaster, GroupWallet, ProxyWallet, TokenMaster, ProxyToken, PrePaidContract, AuctionMaster, BiddingProxy, intDeedMaster, extDeedMaster, IntDeedProxy by pepihasenfuss.eth 2017-2024, Copyright (c) 2024

// GroupWallet and ungravel is entirely based on Ethereum Name Service, "ENS", the domain name registry.

//   ENS, ENSRegistryWithFallback, PublicResolver, Resolver, FIFS-Registrar, Registrar, AuctionRegistrar, BaseRegistrar, ReverseRegistrar, DefaultReverseResolver, ETHRegistrarController,
//   PriceOracle, SimplePriceOracle, StablePriceOracle, ENSMigrationSubdomainRegistrar, CustomRegistrar, Root, RegistrarMigration are contracts of "ENS", by Nick Johnson and team.
//
//   Copyright (c) 2018, True Names Limited / ENS Labs Limited
//
//   Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//   The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

interface Abstract_TM {
  function owner() external view returns (address ow);
}

/// @title Proxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <stefan@gnosis.pm> /// ProxyToken adapted and applied for shares and token by pepihasenfuss.eth
pragma solidity ^0.8.18 <0.8.20;

contract ProxyToken {
    address internal masterCopy;

    bytes32 internal name32;
    uint256 private ownerPrices;

    mapping (address => uint256) private balances;
    mapping (address => mapping  (address => uint256)) private allowed;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event FrozenFunds(address target, bool frozen);
    event Deposit(address from, uint256 value);
    event Deployment(address owner, address theContract);
    event Approval(address indexed owner,address indexed spender,uint256 value);

    constructor(address _masterCopy) payable
    {
      masterCopy = _masterCopy;
    }
    
    fallback () external payable
    {   
        // solium-disable-next-line security/no-inline-assembly
        assembly {
            let master := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
            if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
                mstore(0, master)
                return(0, 0x20)
            }

            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize())
            let success := delegatecall(gas(), master, ptr, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            if eq(success, 0) { 
              if eq(returndatasize(),0) { revert(0, 0x404) }
              revert(0, returndatasize())
            }
            return(0, returndatasize())
        }
    }
    
    function upgrade(address master) external payable {
      require(Abstract_TM(masterCopy).owner()==Abstract_TM(master).owner()," owner masterCopy!");
      masterCopy = master;
    }
    
    receive() external payable { emit Deposit(msg.sender, msg.value); }         // *** PTC may receive payments ***
}

{
  "compilationTarget": {
    "ProxyToken.sol": "ProxyToken"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}