syntax = "proto3";

// this file is copied from ibc-go and stripped from unnecessary clutter. Note that the Channel and
// CounterParty messages have been renamed to ProtoChannel and ProtoCounterParty to avoid collisions with
// already existent types of the same name.

// Channel defines pipeline for exactly-once packet delivery between specific
// modules on separate blockchains, which has at least one end capable of
// sending packets and one end capable of receiving packets.
message ProtoChannel {
  // current state of the channel end
  int32 state = 1;
  // whether the channel is ordered or unordered
  int32 ordering = 2;
  // counterparty channel end
  ProtoCounterparty counterparty = 3;
  // list of connection identifiers, in order, along which packets sent on
  // this channel will travel
  repeated string connection_hops = 4;
  // opaque channel version, which is agreed upon during the handshake
  string version = 5;
}


// Counterparty defines a channel end counterparty
message ProtoCounterparty {
  // port on the counterparty chain which owns the other end of the channel.
  string port_id = 1;
  // channel end on the counterparty chain
  string channel_id = 2;
}