core-lightning/lightningd/channel/channel_wire.csv

# Shouldn't happen
channel_bad_command,0x8000
# Also shouldn't happen
channel_hsm_failed,0x8001

# These are due to peer.
channel_peer_write_failed,0x8010
channel_peer_read_failed,0x8011
channel_peer_bad_message,0x8012

# Received funding_locked
channel_received_funding_locked,1000
# Received and sent funding_locked
channel_normal_operation,1001

#include <lightningd/cryptomsg.h>
#include <lightningd/channel_config.h>

# Begin!  You're still waiting for the tx to be buried though (passes
# gossipd-client fd)
channel_init,1
channel_init,0,funding_txid,struct sha256_double
channel_init,32,funding_txout,2
channel_init,34,our_config,struct channel_config
channel_init,70,their_config,struct channel_config
channel_init,106,first_commit_sig,secp256k1_ecdsa_signature
channel_init,166,crypto_state,struct crypto_state
channel_init,310,remote_fundingkey,33
channel_init,343,revocation_basepoint,33
channel_init,376,payment_basepoint,33
channel_init,409,delayed_payment_basepoint,33
channel_init,442,their_per_commit_point,33
channel_init,475,am_funder,bool
channel_init,476,feerate,4
channel_init,480,funding_satoshi,8
channel_init,488,push_msat,8
channel_init,496,seed,struct privkey
channel_init,529,local_node_id,struct pubkey
channel_init,562,remote_node_id,struct pubkey

# Tx is deep enough, go!
channel_funding_locked,2
channel_funding_locked,0,short_channel_id,struct short_channel_id

# Tell the channel that we may announce the channel's existence
channel_funding_announce_depth,3

# Tell channel to offer this htlc
channel_offer_htlc,4
channel_offer_htlc,0,amount_msat,4
channel_offer_htlc,0,cltv_expiry,4
channel_offer_htlc,0,payment_hash,32
channel_offer_htlc,0,onion_routing_packet,1254*u8

# Reply; synchronous since IDs have to increment.
channel_offer_htlc_reply,104
channel_offer_htlc_reply,0,id,8
# Zero failure code means success.
channel_offer_htlc_reply,0,failure_code,2
channel_offer_htlc_reply,0,failurestrlen,2
channel_offer_htlc_reply,0,failurestr,failurestrlen*u8

# Main daemon found out the preimage for an htlc
#include <bitcoin/preimage.h>
channel_fulfill_htlc,5
channel_fulfill_htlc,0,id,8
channel_fulfill_htlc,0,payment_preimage,struct preimage

# Main daemon says HTLC failed
channel_fail_htlc,6
channel_fail_htlc,0,id,8
channel_fail_htlc,0,len,2
channel_fail_htlc,0,error_pkt,len*u8

# Peer and I are irrevocably committed to this HTLC.
channel_accepted_htlc,7
channel_accepted_htlc,0,id,8
channel_accepted_htlc,0,amount_msat,4
channel_accepted_htlc,0,cltv_expiry,4
channel_accepted_htlc,0,payment_hash,32
channel_accepted_htlc,0,next_onion,1254*u8
channel_accepted_htlc,0,forward,bool
channel_accepted_htlc,0,amt_to_forward,u64
channel_accepted_htlc,0,outgoing_cltv_value,u32

# FIXME: Add code to commit current channel state!

# The HTLC preimage was given.
channel_fulfilled_htlc,8
channel_fulfilled_htlc,0,id,8
channel_fulfilled_htlc,0,payment_preimage,struct preimage

# This HTLC failed
channel_failed_htlc,9
channel_failed_htlc,0,id,8
channel_failed_htlc,0,len,2
channel_failed_htlc,0,reason,len*u8

# This HTLC was returned malformed
channel_malformed_htlc,10
channel_malformed_htlc,0,id,8
channel_malformed_htlc,0,sha256_of_onion,32
channel_malformed_htlc,0,failure_code,2