// Copyright 2017 Intel Corporation
//
// 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.
// -----------------------------------------------------------------------------

syntax = "proto3";

option java_multiple_files = true;
option java_package = "sawtooth.sdk.protobuf";
option go_package = "client_transaction_pb2";

import "transaction.proto";
import "client_list_control.proto";


// A request to return a list of txns from the validator. May include the id
// of a particular block to be the `head` of the chain being requested. In that
// case the list will include the txns from that block, and all txns
// previous to that block on the chain. Filter with specific `transaction_ids`.
message ClientTransactionListRequest {
    string head_id = 1;
    repeated string transaction_ids = 2;
    ClientPagingControls paging = 3;
    repeated ClientSortControls sorting = 4;
}

// A response that lists transactions from newest to oldest.
//
// Statuses:
//   * OK - everything worked as expected
//   * INTERNAL_ERROR - general error, such as protobuf failing to deserialize
//   * NOT_READY - the validator does not yet have a genesis block
//   * NO_ROOT - the head block specified was not found
//   * NO_RESOURCE - no txns were found with the parameters specified
//   * INVALID_PAGING - the paging controls were malformed or out of range
//   * INVALID_SORT - the sorting controls were malformed or invalid
message ClientTransactionListResponse {
    enum Status {
        STATUS_UNSET = 0;
        OK = 1;
        INTERNAL_ERROR = 2;
        NOT_READY = 3;
        NO_ROOT = 4;
        NO_RESOURCE = 5;
        INVALID_PAGING = 6;
        INVALID_SORT = 7;
        INVALID_ID = 8;
    }
    Status status = 1;
    repeated Transaction transactions = 2;
    string head_id = 3;
    ClientPagingResponse paging = 4;
}

// Fetches a specific txn by its id (header_signature) from the blockchain.
message ClientTransactionGetRequest {
    string transaction_id = 1;
}

// A response that returns the txn specified by a ClientTransactionGetRequest.
//
// Statuses:
//   * OK - everything worked as expected, txn has been fetched
//   * INTERNAL_ERROR - general error, such as protobuf failing to deserialize
//   * NO_RESOURCE - no txn with the specified id exists
message ClientTransactionGetResponse {
    enum Status {
        STATUS_UNSET = 0;
        OK = 1;
        INTERNAL_ERROR = 2;
        NO_RESOURCE = 5;
        INVALID_ID = 8;
    }
    Status status = 1;
    Transaction transaction = 2;
}