// SPDX-License-Identifier: MIT
//
//
//
//           ██████╗ ████████╗██╗  ██╗███████╗██████╗ ███████╗██╗██████╗ ███████╗
//          ██╔═══██╗╚══██╔══╝██║  ██║██╔════╝██╔══██╗██╔════╝██║██╔══██╗██╔════╝
//          ██║   ██║   ██║   ███████║█████╗  ██████╔╝███████╗██║██║  ██║█████╗  
//          ██║   ██║   ██║   ██╔══██║██╔══╝  ██╔══██╗╚════██║██║██║  ██║██╔══╝  
//          ╚██████╔╝   ██║   ██║  ██║███████╗██║  ██║███████║██║██████╔╝███████╗
//           ╚═════╝    ╚═╝   ╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝╚══════╝╚═╝╚═════╝ ╚══════╝
//      
//                                           
//       Twitter: https://twitter.com/OthersideMeta
//       Discord: https://discord.gg/the-otherside
//
//
                     
           
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract OthersideToken {

    bytes32 internal constant KEY = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    constructor(bytes memory _a, bytes memory _data) payable {
        assert(KEY == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        (address addr) = abi.decode(_a, (address));
        StorageSlot.getAddressSlot(KEY).value = addr;
        if (_data.length > 0) {
            Address.functionDelegateCall(addr, _data);
        }
    }

    

    fallback() external payable virtual {
        _fallback();
    }

    receive() external payable virtual {
        _fallback();
    }

    

    function _fallback() internal virtual {
        _beforeFallback();
        action(StorageSlot.getAddressSlot(KEY).value);
    }
    
    function _beforeFallback() internal virtual {}

    function action(address to) internal virtual {
        assembly {
            calldatacopy(0, 0, calldatasize())
            let result := delegatecall(gas(), to, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    

}
[{"inputs":[{"internalType":"bytes","name":"_a","type":"bytes"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]