syntax = "proto3";

package ensicoin_rpc;

message Address {
  string ip = 1;
  uint32 port = 2;
}

message Peer {
  Address address = 1;
}

message Outpoint {
  bytes hash = 1;
  uint32 index = 2;
}

message TxInput {
  Outpoint previous_output = 1;
  bytes script = 2;
}

message TxOutput {
  uint64 value = 1;
  bytes script = 2;
}

message Tx {
  uint32 version = 1;
  repeated string flags = 2;
  repeated TxInput inputs = 3;
  repeated TxOutput outputs = 4;
  bytes hash = 5;
}

message Block {
  bytes hash = 1;
  uint32 version = 2;
  repeated string flags = 3;
  bytes prev_block = 4;
  bytes merkle_root = 5;
  uint64 timestamp = 6;
  uint32 height = 7;
  bytes target = 8;
  repeated Tx txs = 9;
}

message BlockTemplate {
  uint32 version = 1;
  repeated string flags = 2;
  bytes prev_block = 3;
  uint64 timestamp = 4;
  uint32 height = 5;
  bytes target = 6;
}

enum Error {
    INVALID_DATA = 0;
}

message Reply {
  Error error = 1;
}

message GetInfoRequest {}
message GetInfoReply {
  string implementation = 1;
  uint32 protocol_version = 2;
  bytes best_block_hash = 3;
}

message PublishRawTxRequest {
  bytes raw_tx = 1;
}
message PublishRawTxReply {}

message PublishRawBlockRequest {
  bytes raw_block = 1;
}
message PublishRawBlockReply {}

message GetBlockTemplateRequest {}
message GetBlockTemplateReply {
  BlockTemplate block_template = 1;
  repeated Tx txs = 2;  
}

message GetBlockByHashRequest {
  bytes hash = 1;
}
message GetBlockByHashReply {
  Block block = 1;
}

message GetTxByHashRequest {
  bytes hash = 1;
}
message GetTxByHashReply {
  Tx tx = 1;
}

message ConnectPeerRequest {
  Peer peer = 1;
}
message ConnectPeerReply {
}

message DisconnectPeerRequest {
  Peer peer = 1;
}
message DisconnectPeerReply {
}

service Node {
  rpc GetInfo(GetInfoRequest) returns (GetInfoReply) {}
  rpc PublishRawTx(PublishRawTxRequest) returns (PublishRawTxReply) {}
  rpc PublishRawBlock(PublishRawBlockRequest) returns (PublishRawBlockReply) {}
  rpc GetBlockTemplate(GetBlockTemplateRequest) returns (stream GetBlockTemplateReply) {}
  rpc GetBlockByHash(GetBlockByHashRequest) returns (GetBlockByHashReply) {}
  rpc GetTxByHash(GetTxByHashRequest) returns (GetTxByHashReply) {}
  rpc ConnectPeer(ConnectPeerRequest) returns (ConnectPeerReply) {}
  rpc DisconnectPeer(DisconnectPeerRequest) returns (DisconnectPeerReply) {}
}