syntax="proto3";
package messages;

message SignRequest {
  bytes vkey = 1;
  bytes body = 2;
  bytes sig = 3;
}

message SignResponse {
  oneof result {
    Okay okay = 1;
    Fail fail = 2;
  }
}

message Okay {
  bytes sig = 1;
}

enum Fail {
  UnrecognisedKey = 1;
  ExpiredKey = 2;
  Other = 3;
}