syntax = "proto3";

package bdledger.api.txledger;

import "google/protobuf/empty.proto";
import "bdledger/api/common.proto";

option go_package = "bdware.org/bdledger/sdk/api/grpc/txledger";
option java_package = "bdledger.api.grpc.txledger";
option java_outer_classname = "TransactionLedgerProto";
option java_multiple_files = true;

service TransactionLedger {
  rpc ClientVersion (google.protobuf.Empty) returns (common.ClientVersionResponse);
  rpc CreateLedger (CreateLedgerRequest) returns (CreateLedgerResponse);
  rpc GetLedgers (google.protobuf.Empty) returns (GetLedgersResponse);
  rpc BlockCount (BlockCountRequest) returns (BlockCountResponse);
  rpc GetBlocks (GetBlocksRequest) returns (GetBlocksResponse);
  rpc SendTransaction (SendTransactionRequest) returns (SendTransactionResponse);
}

message CreateLedgerRequest {
  string name = 1;
}
message CreateLedgerResponse {
  bool ok = 1;
}

message GetLedgersResponse {
  repeated string ledgers = 1;
}

message BlockCountRequest {
  string ledger = 1;
}
message BlockCountResponse {
  uint64 block_count = 1;
}

message GetBlocksRequest {
  string ledger = 1;
  uint64 from_index = 2;
  uint32 count = 3; // Optional, default to 10, max value is 10
  bool full_transaction = 4;
}
message GetBlocksResponse {
  repeated common.Block blocks = 1;
}

message SendTransactionRequest {
  string ledger = 1;
  message Transaction {
    common.TransactionType type = 1;
    bytes from = 2;
    bytes to = 3;
    bytes data = 4;
  }
  Transaction transaction = 2;
}
message SendTransactionResponse {
  bytes hash = 1;
}