feat: Save dispute update message to database

Author: drwasho

core/net.go

@@ -564,10 +564,27 @@ func (n *OpenBazaarNode) SendDisputeUpdate(peerID string, updateMessage *pb.Disp
 		log.Errorf("failed to marshal the contract: %v", err)
 		return err
 	}
+
+	// Create the DISPUTE_UPDATE message
 	m := pb.Message{
 		MessageType: pb.Message_DISPUTE_UPDATE,
 		Payload:     a,
 	}
+
+	// Save DISPUTE_UPDATE message to the database for this order for resending if necessary
+	orderID0 := updateMessage.OrderId
+	if orderID0 == "" {
+		log.Errorf("failed fetching orderID")
+	} else {
+		err = n.Datastore.Messages().Put(
+			fmt.Sprintf("%s-%d", orderID0, int(pb.Message_DISPUTE_UPDATE)),
+			orderID0, pb.Message_DISPUTE_UPDATE, peerID, repo.Message{Msg: m},
+			"", 0, []byte{})
+		if err != nil {
+			log.Errorf("failed putting message (%s-%d): %v", orderID0, int(pb.Message_DISPUTE_UPDATE), err)
+		}
+	}
+
 	return n.sendMessage(peerID, nil, m)
 }