core-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_funder,1
opening_funder,0,funding_satoshis,8
opening_funder,8,push_msat,8
opening_funder,16,feerate_per_kw,4
opening_funder,20,max_minimum_depth,4
opening_funder,24,change_satoshis,u64
opening_funder,32,change_keyindex,u32
#include <lightningd/utxo.h>
opening_funder,0,num_inputs,u16
opening_funder,0,inputs,num_inputs*struct utxo
opening_funder,0,bip32_len,u16
opening_funder,0,bip32_seed,bip32_len*u8

# This gives their sig, means we can broadcast tx: we're done.
opening_funder_reply,101
opening_funder_reply,0,their_config,struct channel_config
opening_funder_reply,36,first_commit_sig,secp256k1_ecdsa_signature
opening_funder_reply,100,crypto_state,struct crypto_state
opening_funder_reply,244,revocation_basepoint,33
opening_funder_reply,277,payment_basepoint,33
opening_funder_reply,310,delayed_payment_basepoint,33
opening_funder_reply,343,their_per_commit_point,33
opening_funder_reply,376,minimum_depth,4
opening_funder_reply,0,remote_fundingkey,33
opening_funder_reply,0,funding_txid,struct sha256_double

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

# This gives their txid and info, means we can send funding_signed: we're done.
opening_fundee_reply,103
opening_fundee_reply,0,their_config,struct channel_config
opening_fundee_reply,36,first_commit_sig,secp256k1_ecdsa_signature
opening_fundee_reply,100,crypto_state,struct crypto_state
opening_fundee_reply,244,revocation_basepoint,33
opening_fundee_reply,277,payment_basepoint,33
opening_fundee_reply,310,delayed_payment_basepoint,33
opening_fundee_reply,343,their_per_commit_point,33
opening_fundee_reply,0,remote_fundingkey,33
opening_fundee_reply,0,funding_txid,struct sha256_double
opening_fundee_reply,0,funding_txout,u16
opening_fundee_reply,0,funding_satoshis,8
opening_fundee_reply,0,push_msat,8
# The (encrypted) funding signed message: send this and we're committed.
opening_fundee_reply,0,msglen,u16
opening_fundee_reply,0,funding_signed_msg,msglen*u8