/**
 * Copyright (c) 2020 EmeraldPay, Inc
 * Copyright (c) 2019 ETCDEV GmbH
 *
 * 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 io.emeraldpay.dshackle.quorum

import io.emeraldpay.dshackle.upstream.Head
import io.emeraldpay.dshackle.upstream.Upstream
import io.emeraldpay.dshackle.upstream.rpcclient.JsonRpcError
import io.emeraldpay.dshackle.upstream.rpcclient.JsonRpcException
import io.emeraldpay.dshackle.upstream.signature.ResponseSigner

interface CallQuorum {

    fun init(head: Head)

    fun isResolved(): Boolean
    fun isFailed(): Boolean

    fun record(
        response: ByteArray,
        signature: ResponseSigner.Signature?,
        upstream: Upstream,
        providedUpstreamId: String?
    ): Boolean
    fun record(
        error: JsonRpcException,
        signature: ResponseSigner.Signature?,
        upstream: Upstream
    )
    fun getSignature(): ResponseSigner.Signature?

    fun getProvidedUpstreamId(): String?
    fun getResult(): ByteArray?
    fun getError(): JsonRpcError?
    fun getResolvedBy(): Collection<Upstream>
}
