// 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())
            }
        }
    }
}

{
  "compilationTarget": {
    "src/AccaAuctionProxy.sol": "AccaProxy"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [
    ":@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/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    ":forge-std/=lib/forge-std/src/",
    ":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/",
    ":solady/=lib/solady/src/"
  ]
}