syntax = "proto3";

package wap.reliability;

///////////////////////////////////////////////////////////////////////////////
// SDS Payloads
///////////////////////////////////////////////////////////////////////////////

message HistoryEntry {
    string message_id = 1;        // Unique identifier of the SDS message, as defined in `Message`
    bytes retrieval_hint = 2;     // Optional information to help remote parties retrieve this SDS 
                                  // message; For example, A Waku deterministic message hash or routing payload hash
  }
  
  message ReliablePayload {
      string message_id = 2;      
      string channel_id = 3;  
      int32 lamport_timestamp = 10;    
      repeated HistoryEntry causal_history = 11;   
      bytes bloom_filter = 12; 
      // Optional field causes errors in nim protobuf generation. Removing for now as optional is implied anways.
      bytes content = 20;                           
  }