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// contracts/Structs.sol
// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol";
contract BridgeToken is BeaconProxy {
    constructor(address beacon, bytes memory data) BeaconProxy(beacon, data) {
    }
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
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// contracts/Wormhole.sol
// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
contract TokenBridge is ERC1967Proxy {
    constructor (address implementation, bytes memory initData)
    ERC1967Proxy(
        implementation,
        initData
    )
    {}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../Proxy.sol";
import "./ERC1967Upgrade.sol";
/**
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// contracts/Implementation.sol
// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;
import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol";
import "./Bridge.sol";
contract BridgeImplementation is Bridge {
    // Beacon getter for the token contracts
    function implementation() public view returns (address) {
        return tokenImplementation();
    }
    function initialize() initializer public virtual {
        // this function needs to be exposed for an upgrade to pass
    }
    modifier initializer() {
        address impl = ERC1967Upgrade._getImplementation();
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// SPDX-License-Identifier: Apache 2
// File: @openzeppelin/contracts/utils/Counters.sol
pragma solidity ^0.8.0;
/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
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