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// SPDX-License-Identifier: BUSL-1.1

/**
 *  █████╗ ███████╗████████╗ █████╗ ██████╗ ██╗ █████╗
 * ██╔══██╗██╔════╝╚══██╔══╝██╔══██╗██╔══██╗██║██╔══██╗
 * ███████║███████╗   ██║   ███████║██████╔╝██║███████║
 * ██╔══██║╚════██║   ██║   ██╔══██║██╔══██╗██║██╔══██║
 * ██║  ██║███████║   ██║   ██║  ██║██║  ██║██║██║  ██║
 * ╚═╝  ╚═╝╚══════╝   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝╚═╝  ╚═╝
 *
 * Astaria Labs, Inc
 */

pragma solidity =0.8.17;

import {IBeacon} from "core/interfaces/IBeacon.sol";
import {Clone} from "create2-clones-with-immutable-args/Clone.sol";

contract BeaconProxy is Clone {
  function _getBeacon() internal pure returns (IBeacon) {
    return IBeacon(_getArgAddress(0));
  }

  /**
   * @dev Delegates the current call to `implementation`.
   *
   * This function does not return to its internal call site, it will return directly to the external caller.
   */
  function _delegate(address implementation) internal virtual {
    assembly {
      // Copy msg.data. We take full control of memory in this inline assembly
      // block because it will not return to Solidity code. We overwrite the
      // Solidity scratch pad at memory position 0.
      calldatacopy(0, 0, calldatasize())

      // Call the implementation.
      // out and outsize are 0 because we don't know the size yet.
      let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

      // Copy the returned data.
      returndatacopy(0, 0, returndatasize())

      switch result
      // delegatecall returns 0 on error.
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }

  /**
   * @dev Delegates the current call to the address returned by `_implementation()`.
   *
   * This function does not return to its internal call site, it will return directly to the external caller.
   */
  function _fallback() internal virtual {
    _beforeFallback();

    _delegate(_getBeacon().getImpl(_getArgUint8(20)));
  }

  /**
   * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
   * function in the contract matches the call data.
   */
  fallback() external payable virtual {
    _fallback();
  }

  /**
   * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
   * is empty.
   */
  receive() external payable virtual {
    _fallback();
  }

  /**
   * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
   * call, or as part of the Solidity `fallback` or `receive` functions.
   *
   * If overridden should call `super._beforeFallback()`.
   */
  function _beforeFallback() internal virtual {}
}

// SPDX-License-Identifier: BSD
pragma solidity ^0.8.4;

/// @title Clone
/// @author zefram.eth
/// @notice Provides helper functions for reading immutable args from calldata
contract Clone {
    /// @notice Reads an immutable arg with type address
    /// @param argOffset The offset of the arg in the packed data
    /// @return arg The arg value
    function _getArgAddress(uint256 argOffset) internal pure returns (address arg) {
        uint256 offset = _getImmutableArgsOffset();
        // solhint-disable-next-line no-inline-assembly
        assembly {
            arg := shr(0x60, calldataload(add(offset, argOffset)))
        }
    }

    /// @notice Reads an immutable arg with type uint256
    /// @param argOffset The offset of the arg in the packed data
    /// @return arg The arg value
    function _getArgUint256(uint256 argOffset) internal pure returns (uint256 arg) {
        uint256 offset = _getImmutableArgsOffset();
        // solhint-disable-next-line no-inline-assembly
        assembly {
            arg := calldataload(add(offset, argOffset))
        }
    }

    /// @notice Reads a uint256 array stored in the immutable args.
    /// @param argOffset The offset of the arg in the packed data
    /// @param arrLen Number of elements in the array
    /// @return arr The array
    function _getArgUint256Array(uint256 argOffset, uint64 arrLen) internal pure returns (uint256[] memory arr) {
        uint256 offset = _getImmutableArgsOffset();
        uint256 el;
        arr = new uint256[](arrLen);
        for (uint64 i = 0; i < arrLen; i++) {
            assembly {
                // solhint-disable-next-line no-inline-assembly
                el := calldataload(add(add(offset, argOffset), mul(i, 32)))
            }
            arr[i] = el;
        }
        return arr;
    }

    /// @notice Reads an immutable arg with type uint64
    /// @param argOffset The offset of the arg in the packed data
    /// @return arg The arg value
    function _getArgUint64(uint256 argOffset) internal pure returns (uint64 arg) {
        uint256 offset = _getImmutableArgsOffset();
        // solhint-disable-next-line no-inline-assembly
        assembly {
            arg := shr(0xc0, calldataload(add(offset, argOffset)))
        }
    }

    /// @notice Reads an immutable arg with type uint8
    /// @param argOffset The offset of the arg in the packed data
    /// @return arg The arg value
    function _getArgUint8(uint256 argOffset) internal pure returns (uint8 arg) {
        uint256 offset = _getImmutableArgsOffset();
        // solhint-disable-next-line no-inline-assembly
        assembly {
            arg := shr(0xf8, calldataload(add(offset, argOffset)))
        }
    }

    /// @return offset The offset of the packed immutable args in calldata
    function _getImmutableArgsOffset() internal pure returns (uint256 offset) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            offset := sub(calldatasize(), add(shr(240, calldataload(sub(calldatasize(), 2))), 2))
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1

/**
 *  █████╗ ███████╗████████╗ █████╗ ██████╗ ██╗ █████╗
 * ██╔══██╗██╔════╝╚══██╔══╝██╔══██╗██╔══██╗██║██╔══██╗
 * ███████║███████╗   ██║   ███████║██████╔╝██║███████║
 * ██╔══██║╚════██║   ██║   ██╔══██║██╔══██╗██║██╔══██║
 * ██║  ██║███████║   ██║   ██║  ██║██║  ██║██║██║  ██║
 * ╚═╝  ╚═╝╚══════╝   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝╚═╝  ╚═╝
 *
 * Astaria Labs, Inc
 */

pragma solidity =0.8.17;

interface IBeacon {
  /**
   * @dev Must return an address that can be used as a delegate call target.
   *
   * {BeaconProxy} will check that this address is a contract.
   */
  function getImpl(uint8) external view returns (address);
}

{
  "remappings": [
    "@rari-capital/=lib/seaport/node_modules/@rari-capital/",
    "@rari-capital/solmate/=lib/seaport/./lib/solmate/",
    "auction/=lib/gpl/lib/auction-house/src/",
    "clones-with-immutable-args/=lib/clones-with-immutable-args/src/",
    "contracts/=lib/seaport/contracts/",
    "core/=src/",
    "create2-clones-with-immutable-args/=lib/create2-clones-with-immutable-args/src/",
    "create2-helpers/=lib/create2-clones-with-immutable-args/lib/create2-helpers/src/",
    "ds-test/=lib/ds-test/src/",
    "eip4626/=lib/foundry_eip-4626/src/",
    "erc4626-tests/=lib/seaport/lib/openzeppelin-contracts/lib/erc4626-tests/",
    "eth-gas-reporter/=lib/seaport/node_modules/eth-gas-reporter/",
    "forge-std/=lib/forge-std/src/",
    "gpl/=lib/gpl/src/",
    "hardhat/=lib/seaport/node_modules/hardhat/",
    "murky/=lib/seaport/./lib/murky/src/",
    "openzeppelin-contracts/=lib/seaport/lib/openzeppelin-contracts/",
    "openzeppelin/=lib/gpl/lib/openzeppelin-contracts/contracts/",
    "seaport/=lib/seaport/contracts/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

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[{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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