syntax = "proto3";

package shredstream;
import "google/protobuf/timestamp.proto";

option go_package = "github.com/samlior/libsam/pkg//shreder";

service ShrederService {
  rpc SubscribeEntries(SubscribeEntriesRequest) returns (stream Entry);
  rpc SubscribeTransactions(stream SubscribeTransactionsRequest) returns (stream SubscribeTransactionsResponse);
}

message SubscribeEntriesRequest {
  // tbd: we may want to add filters here
}

message SubscribeTransactionsRequest {
  map<string, SubscribeRequestFilterTransactions> transactions = 3;
}

message SubscribeTransactionsResponse {
  repeated string filters = 1;
  SubscribeUpdateTransaction transaction = 4;
  google.protobuf.Timestamp created_at = 11;
}

message SubscribeUpdateTransaction {
  Transaction transaction = 1;
  uint64 slot = 2;
}

message SubscribeRequestFilterTransactions {
  repeated string account_include = 3;
  repeated string account_exclude = 4;
  repeated string account_required = 6;
}

message Entry {
  // the slot that the entry is from
  uint64 slot = 1;

  // Serialized bytes of Vec<Entry>: https://docs.rs/solana-entry/latest/solana_entry/entry/struct.Entry.html
  bytes entries = 2;
}

message MessageHeader {
  uint32 num_required_signatures = 1;
  uint32 num_readonly_signed_accounts = 2;
  uint32 num_readonly_unsigned_accounts = 3;
}

message CompiledInstruction {
  uint32 program_id_index = 1;
  bytes accounts = 2;
  bytes data = 3;
}

message MessageAddressTableLookup {
  bytes account_key = 1;
  bytes writable_indexes = 2;
  bytes readonly_indexes = 3;
}

message Message {
  MessageHeader header = 1;
  repeated bytes account_keys = 2;
  bytes recent_blockhash = 3;
  repeated CompiledInstruction instructions = 4;
  bool versioned = 5;
  repeated MessageAddressTableLookup address_table_lookups = 6;
}

message Transaction {
  repeated bytes signatures = 1;
  Message message = 2;
}