// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.2;

interface IRegistry {

    event LogContractRegistered(
        bytes32 release,
        bytes32 contractName,
        address contractAddress,
        bool isNew
    );

    event LogContractDeregistered(bytes32 release, bytes32 contractName);

    event LogReleasePrepared(bytes32 release);

    function registerInRelease(
        bytes32 _release,
        bytes32 _contractName,
        address _contractAddress
    ) external;

    function register(bytes32 _contractName, address _contractAddress) external;

    function deregisterInRelease(bytes32 _release, bytes32 _contractName)
        external;

    function deregister(bytes32 _contractName) external;

    function prepareRelease(bytes32 _newRelease) external;

    function getContractInRelease(bytes32 _release, bytes32 _contractName)
        external
        view
        returns (address _contractAddress);

    function getContract(bytes32 _contractName)
        external
        view
        returns (address _contractAddress);

    function getRelease() external view returns (bytes32 _release);

    function ensureSender(address sender, bytes32 _contractName) external view returns(bool _senderMatches);

    function contracts() external view returns (uint256 _numberOfContracts);

    function contractName(uint256 idx) external view returns (bytes32 _contractName);

}