com.hedera.node.app.spi.signatures.VerificationAssistant Maven / Gradle / Ivy
/*
* Copyright (C) 2023-2024 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hedera.node.app.spi.signatures;
import com.hedera.hapi.node.base.Key;
import java.util.function.BiPredicate;
/**
* A BiPredicate specialized to assisting and observing the Signature Verification process. Implementations of this
* interface are expected to, in the test method, return true if and only if the Key passed should be considered valid.
* This may be based on both the {@link SignatureVerification} provided, as well as other information (such as a set of
* previously valid keys in state). The "test" method is also an observer of all keys and associated verifications, and
* may choose to store or further inspect each such key and SignatureVerification.
*
* The "test" method will only be called for keys of the "primitive", "Contract ID", and "Delegatable Contract ID"
* types.
*/
public interface VerificationAssistant extends BiPredicate {}