// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/**
 * @title Proxy // This is the Auction
 * @notice Basic proxy that delegates all calls to a fixed implementation contract.
 * @dev    Implementation address is stored in the slot defined by the Proxy's address
 */
contract AccaProxy {
    constructor(address _implementation) {
        if(_implementation == address(0))
            revert("Invalid implementation address");
        assembly {
            sstore(address(), _implementation)
        }
    }

    fallback() external payable {
        address target;
        assembly {
            target := sload(address())
            calldatacopy(0, 0, calldatasize())
            let result := delegatecall(gas(), target, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "solady/=lib/solady/src/",
    "@manifoldxyz/libraries-solidity/=lib/royalty-registry-solidity/lib/libraries-solidity/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "create2-helpers/=lib/royalty-registry-solidity/lib/create2-helpers/",
    "create2-scripts/=lib/royalty-registry-solidity/lib/create2-helpers/script/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "libraries-solidity/=lib/royalty-registry-solidity/lib/libraries-solidity/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "royalty-registry-solidity/=lib/royalty-registry-solidity/",
    "solady/=lib/solady/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}]

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