--- wire/peer_wire.csv
+++ wire/peer_wire.csv
@@ -1,3 +1,6 @@
+msgtype,protocol_batch_element,0
+msgdata,protocol_batch_element,channel_id,channel_id,
+msgdata,protocol_batch_element,element_size,u16,
 msgtype,init,16
 msgdata,init,gflen,u16,
 msgdata,init,globalfeatures,byte,gflen
@@ -300,6 +303,7 @@
 msgtype,start_batch,127
 msgdata,start_batch,channel_id,channel_id,
 msgdata,start_batch,batch_size,u16,
+msgdata,start_batch,tlvs,start_batch_tlvs,
 tlvtype,start_batch_tlvs,message_type,1
 tlvdata,start_batch_tlvs,message_type,message_type,u16,