syntax = "proto3";

package ibc.lightclients.solomachine.v3;

option go_package = "github.com/cosmos/ibc-go/v10/modules/light-clients/06-solomachine;solomachine";

import "gogoproto/gogo.proto";
import "google/protobuf/any.proto";

// ClientState defines a solo machine client that tracks the current consensus
// state and if the client is frozen.
message ClientState {
  option (gogoproto.goproto_getters) = false;
  // latest sequence of the client state
  uint64 sequence = 1;
  // frozen sequence of the solo machine
  bool           is_frozen       = 2;
  ConsensusState consensus_state = 3;
}

// ConsensusState defines a solo machine consensus state. The sequence of a
// consensus state is contained in the "height" key used in storing the
// consensus state.
message ConsensusState {
  option (gogoproto.goproto_getters) = false;
  // public key of the solo machine
  google.protobuf.Any public_key = 1;
  // diversifier allows the same public key to be reused across different solo
  // machine clients (potentially on different chains) without being considered
  // misbehaviour.
  string diversifier = 2;
  uint64 timestamp   = 3;
}

// Header defines a solo machine consensus header
message Header {
  option (gogoproto.goproto_getters) = false;

  uint64              timestamp       = 1;
  bytes               signature       = 2;
  google.protobuf.Any new_public_key  = 3;
  string              new_diversifier = 4;
}

// Misbehaviour defines misbehaviour for a solo machine which consists
// of a sequence and two signatures over different messages at that sequence.
message Misbehaviour {
  option (gogoproto.goproto_getters) = false;

  uint64           sequence      = 1;
  SignatureAndData signature_one = 2;
  SignatureAndData signature_two = 3;
}

// SignatureAndData contains a signature and the data signed over to create that
// signature.
message SignatureAndData {
  option (gogoproto.goproto_getters) = false;

  bytes  signature = 1;
  bytes  path      = 2;
  bytes  data      = 3;
  uint64 timestamp = 4;
}

// TimestampedSignatureData contains the signature data and the timestamp of the
// signature.
message TimestampedSignatureData {
  option (gogoproto.goproto_getters) = false;

  bytes  signature_data = 1;
  uint64 timestamp      = 2;
}

// SignBytes defines the signed bytes used for signature verification.
message SignBytes {
  option (gogoproto.goproto_getters) = false;

  // the sequence number
  uint64 sequence = 1;
  // the proof timestamp
  uint64 timestamp = 2;
  // the public key diversifier
  string diversifier = 3;
  // the standardised path bytes
  bytes path = 4;
  // the marshaled data bytes
  bytes data = 5;
}

// HeaderData returns the SignBytes data for update verification.
message HeaderData {
  option (gogoproto.goproto_getters) = false;

  // header public key
  google.protobuf.Any new_pub_key = 1;
  // header diversifier
  string new_diversifier = 2;
}
