lightning/lightningd/opening/opening_wire.csv

# These shouldn't happen
opening_bad_command,0x8000
opening_key_derivation_failed,0x8001
opening_bad_param,0x8002
opening_hsm_failed,0x8003

# These are due to peer.
opening_peer_write_failed,0x8010
opening_peer_read_failed,0x8011
opening_peer_bad_funding,0x8012
opening_peer_bad_config,0x8013
opening_peer_bad_initial_message,0x8014

#include <lightningd/cryptomsg.h>
#include <lightningd/channel_config.h>
opening_init,0
# Base configuration we'll offer (channel reserve will vary with amount)
opening_init,0,our_config,struct channel_config
# Minimum/maximum configuration values we'll accept
opening_init,36,max_to_self_delay,4
opening_init,40,min_effective_htlc_capacity_msat,8
opening_init,48,crypto_state,struct crypto_state
# Seed to generate all the keys from
opening_init,196,seed,struct privkey

# This means we offer the open.
opening_open,1
opening_open,0,funding_satoshis,8
opening_open,8,push_msat,8
opening_open,16,feerate_per_kw,4
opening_open,20,max_minimum_depth,4

# Reply asks for txid of funding transaction.
opening_open_reply,101
opening_open_reply,0,local_fundingkey,33
opening_open_reply,0,remote_fundingkey,33

# Now we give the funding txid and outnum.
opening_open_funding,2
opening_open_funding,0,txid,struct sha256_double
opening_open_funding,32,txout,u16

# This gives their sig, means we can broadcast tx: we're done.
opening_open_funding_reply,102
opening_open_funding_reply,0,their_config,struct channel_config
opening_open_funding_reply,36,first_commit_sig,secp256k1_ecdsa_signature
opening_open_funding_reply,100,crypto_state,struct crypto_state
opening_open_funding_reply,244,revocation_basepoint,33
opening_open_funding_reply,277,payment_basepoint,33
opening_open_funding_reply,310,delayed_payment_basepoint,33
opening_open_funding_reply,343,their_per_commit_point,33

# This means they offer the open (contains their offer packet)
opening_accept,3
opening_accept,0,min_feerate,4
opening_accept,4,max_feerate,4
opening_accept,8,len,2
opening_accept,10,msg,len*u8

# This gives the txid of their funding tx to watch.
opening_accept_reply,103
opening_accept_reply,0,funding_txid,struct sha256_double

# Acknowledge watch is in place, now can send sig.
opening_accept_finish,4

opening_accept_finish_reply,104
opening_accept_finish_reply,32,funding_txout,u16
opening_accept_finish_reply,0,their_config,struct channel_config
opening_accept_finish_reply,36,first_commit_sig,secp256k1_ecdsa_signature
opening_accept_finish_reply,100,crypto_state,struct crypto_state
opening_accept_finish_reply,244,remote_fundingkey,33
opening_accept_finish_reply,277,revocation_basepoint,33
opening_accept_finish_reply,310,payment_basepoint,33
opening_accept_finish_reply,343,delayed_payment_basepoint,33
opening_accept_finish_reply,377,their_per_commit_point,33
opening_accept_finish_reply,410,funding_satoshis,8
opening_accept_finish_reply,418,push_msat,8