core-lightning/lightningd/channel/channel_wire.csv

# Shouldn't happen
channel_bad_command,0x8000
# Also shouldn't happen
channel_hsm_failed,0x8001
channel_crypto_failed,0x8002
channel_internal_error,0x8003
channel_gossip_bad_message,0x8004

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

# 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,,funding_txid,struct sha256_double
channel_init,,funding_txout,2
channel_init,,our_config,struct channel_config
channel_init,,their_config,struct channel_config
channel_init,,first_commit_sig,secp256k1_ecdsa_signature
channel_init,,crypto_state,struct crypto_state
channel_init,,remote_fundingkey,33
channel_init,,revocation_basepoint,33
channel_init,,payment_basepoint,33
channel_init,,delayed_payment_basepoint,33
channel_init,,their_per_commit_point,33
channel_init,,am_funder,bool
channel_init,,fee_base,4
channel_init,,fee_proportional,4
channel_init,,funding_satoshi,8
channel_init,,push_msat,8
channel_init,,seed,struct privkey
channel_init,,local_node_id,struct pubkey
channel_init,,remote_node_id,struct pubkey
channel_init,,commit_msec,4
channel_init,,cltv_delta,u16
channel_init,,init_peer_pkt_len,u16
channel_init,,init_peer_pkt,init_peer_pkt_len*u8

# Tx is deep enough, go!
channel_funding_locked,2
channel_funding_locked,,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,,amount_msat,4
channel_offer_htlc,,cltv_expiry,4
channel_offer_htlc,,payment_hash,32
channel_offer_htlc,,onion_routing_packet,1366*u8

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

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

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

# Peer and I are irrevocably committed to this HTLC.
channel_accepted_htlc,7
channel_accepted_htlc,,id,8
channel_accepted_htlc,,amount_msat,4
channel_accepted_htlc,,cltv_expiry,4
channel_accepted_htlc,,payment_hash,32
channel_accepted_htlc,,next_onion,1366*u8
channel_accepted_htlc,,forward,bool
channel_accepted_htlc,,amt_to_forward,u64
channel_accepted_htlc,,outgoing_cltv_value,u32
channel_accepted_htlc,,next_channel,struct short_channel_id
channel_accepted_htlc,,shared_secret,struct secret

# FIXME: Add code to commit current channel state!

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

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

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

# Ping/pong test.
channel_ping,11
channel_ping,,num_pong_bytes,u16
channel_ping,,len,u16

channel_ping_reply,111
channel_ping_reply,,totlen,u16

# Channeld tells the master that the channel has been announced
channel_announced,12