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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
// Kept for backwards compatibility with older versions of Hardhat and Truffle plugins.
contract AdminUpgradeabilityProxy is TransparentUpgradeableProxy {
    constructor(address logic, address admin, bytes memory data) payable TransparentUpgradeableProxy(logic, admin, data) {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../Proxy.sol";
import "./ERC1967Upgrade.sol";
/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
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// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
import "./ExchangeV2Core.sol";
import "./RaribleTransferManager.sol";
import "@rarible/royalties/contracts/IRoyaltiesProvider.sol";
contract ExchangeV2 is ExchangeV2Core, RaribleTransferManager {
    function __ExchangeV2_init(
        INftTransferProxy _transferProxy,
        IERC20TransferProxy _erc20TransferProxy,
        uint newProtocolFee,
        address newDefaultFeeReceiver,
        IRoyaltiesProvider newRoyaltiesProvider
    ) external initializer {
        __Context_init_unchained();
        __Ownable_init_unchained();
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