syntax = "proto3";

import "google/protobuf/empty.proto";
import "web3/common.proto";
import "types/types.proto";

package web3;

message BlockSearchLocation {
  oneof location {
    types.H256 hash = 1;
    uint64 number = 2;
  }
}

message BlockNumberResponse { uint64 block_number = 1; }

message ResolveBlockHashRequest { uint64 block_number = 1; }
message ResolveBlockHashResponse { optional types.H256 block_hash = 1; }

message BlockRequest { optional BlockSearchLocation search_location = 1; }
message LightBlockResponse { optional LightBlock block = 1; }
message FullBlockResponse { optional FullBlock block = 1; }

message TransactionResponse { optional StoredTransaction transaction = 1; }

service EthApi {
  rpc BlockNumber(google.protobuf.Empty) returns (BlockNumberResponse);
  rpc ResolveBlockHash(ResolveBlockHashRequest)
      returns (ResolveBlockHashResponse);

  rpc LightBlock(BlockRequest) returns (LightBlockResponse);
  rpc FullBlock(BlockRequest) returns (FullBlockResponse);
  rpc TransactionByHash(types.H256) returns (TransactionResponse);
  rpc SendTransaction(Transaction) returns (google.protobuf.Empty);
}