/*
 * 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 net.consensys.eventeum.integration.eventstore;

import net.consensys.eventeum.dto.block.BlockDetails;
import net.consensys.eventeum.dto.event.ContractEventDetails;
import net.consensys.eventeum.model.LatestBlock;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;

import java.util.Optional;

/**
 * Interface for integrating with an event store, in order to obtain events for a specified signature.
 *
 * @author Craig Williams <craig.williams@consensys.net>
 */
public interface EventStore {
    Page<ContractEventDetails> getContractEventsForSignature(
            String eventSignature, String contractAddress, PageRequest pagination);

    Optional<LatestBlock> getLatestBlockForNode(String nodeName);

    boolean isPagingZeroIndexed();
}
