// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.0; /** * @title Dispatch callback verification to external contracts * @author PropellerHeads Devs * @dev Provides the ability call external contracts to perform callback * verification. This allows dynamically adding new supported protocols * without needing to upgrade any contracts. * * Note Verifier contracts need to implement the ICallbackVerifier interface */ contract CallbackVerificationDispatcher { mapping(address => bool) public callbackVerifiers; }