syntax = "proto3";
package types;

// For more information on gogo.proto, see:
// https://github.com/gogo/protobuf/blob/master/extensions.md
import "github.com/gogo/protobuf/gogoproto/gogo.proto";

// This file is copied from http://github.com/tendermint/abci

//----------------------------------------
// Request types

message Request {
  oneof value {
    RequestEcho echo = 2;
    RequestFlush flush = 3;
    RequestInfo info = 4;
    RequestSetOption set_option = 5;
    RequestInitChain init_chain = 6;
    RequestQuery query = 7;
    RequestBeginBlock begin_block = 8;
    RequestCheckTx check_tx = 9;
    RequestDeliverTx deliver_tx = 19;
    RequestEndBlock end_block = 11;
    RequestCommit commit = 12;
  }
}

message RequestEcho {
  string message = 1;
}

message RequestFlush {
}

message RequestInfo {
  string version = 1;
}

message RequestSetOption {
  string key = 1;
  string value = 2;
}

message RequestInitChain {
  repeated Validator validators = 1;
}

message RequestQuery{
  bytes data = 1;
  string path = 2;
  int64 height = 3;
  bool prove = 4;
}

message RequestBeginBlock {
  bytes hash = 1;
  Header header = 2;
  repeated int32 absent_validators = 3;
  repeated Evidence byzantine_validators = 4;
}

message RequestCheckTx {
  bytes tx = 1;
}

message RequestDeliverTx {
  bytes tx = 1;
}

message RequestEndBlock{
  int64 height = 1;
}

message RequestCommit {
}

//----------------------------------------
// Response types

message Response {
  oneof value {
    ResponseException exception = 1;
    ResponseEcho echo = 2;
    ResponseFlush flush = 3;
    ResponseInfo info = 4;
    ResponseSetOption set_option = 5;
    ResponseInitChain init_chain = 6;
    ResponseQuery query = 7;
    ResponseBeginBlock begin_block = 8;
    ResponseCheckTx check_tx = 9;
    ResponseDeliverTx deliver_tx = 10;
    ResponseEndBlock end_block = 11;
    ResponseCommit commit = 12;
  }
}

message ResponseException {
  string error = 1;
}

message ResponseEcho {
  string message = 1;
}

message ResponseFlush {
}

message ResponseInfo {
  string data = 1;
  string version = 2;
  int64 last_block_height = 3;
  bytes last_block_app_hash = 4;
}

message ResponseSetOption {
  uint32 code = 1;
  string log  = 2;
}

message ResponseInitChain {
}

message ResponseQuery {
  uint32 code = 1;
  int64 index = 2;
  bytes key = 3 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  bytes value = 4 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  bytes proof = 5 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  int64 height = 6;
  string log = 7;
}

message ResponseBeginBlock {
}

message ResponseCheckTx {
  uint32 code = 1;
  bytes data = 2 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  string log = 3;
  int64 gas = 4;
  int64 fee = 5;
}

message ResponseDeliverTx {
  uint32 code = 1;
  bytes data = 2 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  string log = 3;
  repeated KVPair tags = 4;
}

message ResponseEndBlock {
  repeated Validator validator_updates = 1;
  ConsensusParams consensus_param_updates = 2;
}

message ResponseCommit {
  uint32 code = 1;
  bytes data = 2 [(gogoproto.customtype) = "github.com/tendermint/go-wire/data.Bytes", (gogoproto.nullable) = false];
  string log = 3;
}

//----------------------------------------
// Misc.

// ConsensusParams contains all consensus-relevant parameters
// that can be adjusted by the abci app
message ConsensusParams {
  BlockSize block_size = 1;
  TxSize tx_size = 2;
  BlockGossip block_gossip = 3;
}

// BlockSize contain limits on the block size.
message BlockSize {
  int32 max_bytes = 1;
  int32 max_txs = 2;
  int64 max_gas = 3;
}

// TxSize contain limits on the tx size.
message TxSize{
  int32 max_bytes = 1;
  int64 max_gas = 2;
}

// BlockGossip determine consensus critical
// elements of how blocks are gossiped
message BlockGossip {
  // Note: must not be 0
  int32 block_part_size_bytes = 1;
}

//----------------------------------------
// Blockchain Types

message Header {
  string chain_id = 1 [(gogoproto.customname) = "ChainID"];
  int64 height = 2;
  int64 time = 3;
  int32 num_txs = 4;
  BlockID last_block_id = 5 [(gogoproto.customname) = "LastBlockID"];
  bytes last_commit_hash = 6;
  bytes data_hash = 7;
  bytes validators_hash = 8;
  bytes app_hash = 9;
}

message BlockID {
  bytes hash = 1;
  PartSetHeader parts = 2;
}

message PartSetHeader {
  int32 total = 1;
  bytes hash = 2;
}

message Validator {
  bytes pub_key = 1;
  int64 power = 2;
}

message Evidence {
  bytes pub_key = 1;
  int64 height = 2;
}

//----------------------------------------
// Abstract types

message KVPair {
  string key = 1;
  enum Type {
    STRING = 0;
    INT = 1;
  }
  Type value_type = 2;
  string value_string = 3;
  int64 value_int = 4;
}

//----------------------------------------
// Service Definition

service ABCIApplication {
  rpc Echo(RequestEcho) returns (ResponseEcho) ;
  rpc Flush(RequestFlush) returns (ResponseFlush);
  rpc Info(RequestInfo) returns (ResponseInfo);
  rpc SetOption(RequestSetOption) returns (ResponseSetOption);
  rpc DeliverTx(RequestDeliverTx) returns (ResponseDeliverTx);
  rpc CheckTx(RequestCheckTx) returns (ResponseCheckTx);
  rpc Query(RequestQuery) returns (ResponseQuery);
  rpc Commit(RequestCommit) returns (ResponseCommit);
  rpc InitChain(RequestInitChain) returns (ResponseInitChain);
  rpc BeginBlock(RequestBeginBlock) returns (ResponseBeginBlock);
  rpc EndBlock(RequestEndBlock) returns (ResponseEndBlock);
}