core-lightning/channeld/channel_wire.csv
Rusty Russell 72d55d3e3b lightningd: store raw msg rather than code for locally-failed outgoing HTLCs
At the moment, we store e.g. WIRE_TEMPORARY_CHANNEL_FAILURE, and then
lightningd has a large demux function which turns that into the correct
error message.

Such an enum demuxer is an anti-pattern.

Instead, store the message directly for output HTLCs; channeld now
sends us an error message rather than an error code.

For input HTLCs we will still need the failure code if the onion was
bad (since we need to prompt channeld to send a completely different
message than normal), though we can (and will!) eliminate its use in
non-BADONION failure cases.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-02-25 11:12:12 +10:30

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#include <common/cryptomsg.h>
#include <common/channel_config.h>
#include <common/derive_basepoints.h>
#include <common/fee_states.h>
#include <common/per_peer_state.h>
# Begin! (passes gossipd-client fd)
msgtype,channel_init,1000
msgdata,channel_init,chainparams,chainparams,
msgdata,channel_init,funding_txid,bitcoin_txid,
msgdata,channel_init,funding_txout,u16,
msgdata,channel_init,funding_satoshi,amount_sat,
msgdata,channel_init,minimum_depth,u32,
msgdata,channel_init,our_config,channel_config,
msgdata,channel_init,their_config,channel_config,
msgdata,channel_init,fee_states,fee_states,
msgdata,channel_init,feerate_min,u32,
msgdata,channel_init,feerate_max,u32,
msgdata,channel_init,first_commit_sig,bitcoin_signature,
msgdata,channel_init,per_peer_state,per_peer_state,
msgdata,channel_init,remote_fundingkey,pubkey,
msgdata,channel_init,remote_basepoints,basepoints,
msgdata,channel_init,remote_per_commit,pubkey,
msgdata,channel_init,old_remote_per_commit,pubkey,
msgdata,channel_init,funder,enum side,
msgdata,channel_init,fee_base,u32,
msgdata,channel_init,fee_proportional,u32,
msgdata,channel_init,local_msatoshi,amount_msat,
msgdata,channel_init,our_basepoints,basepoints,
msgdata,channel_init,our_funding_pubkey,pubkey,
msgdata,channel_init,local_node_id,node_id,
msgdata,channel_init,remote_node_id,node_id,
msgdata,channel_init,commit_msec,u32,
msgdata,channel_init,cltv_delta,u16,
msgdata,channel_init,last_was_revoke,bool,
msgdata,channel_init,num_last_sent_commit,u16,
msgdata,channel_init,last_sent_commit,changed_htlc,num_last_sent_commit
msgdata,channel_init,next_index_local,u64,
msgdata,channel_init,next_index_remote,u64,
msgdata,channel_init,revocations_received,u64,
msgdata,channel_init,next_htlc_id,u64,
msgdata,channel_init,num_htlcs,u16,
msgdata,channel_init,htlcs,added_htlc,num_htlcs
msgdata,channel_init,htlc_states,enum htlc_state,num_htlcs
msgdata,channel_init,num_fulfilled,u16,
msgdata,channel_init,fulfilled,fulfilled_htlc,num_fulfilled
msgdata,channel_init,fulfilled_sides,enum side,num_fulfilled
msgdata,channel_init,num_failed_in,u16,
msgdata,channel_init,failed_in,failed_htlc,num_failed_in
msgdata,channel_init,num_failed_out,u16,
msgdata,channel_init,failed_out,u64,num_failed_out
msgdata,channel_init,local_funding_locked,bool,
msgdata,channel_init,remote_funding_locked,bool,
msgdata,channel_init,funding_short_id,short_channel_id,
msgdata,channel_init,reestablish,bool,
msgdata,channel_init,send_shutdown,bool,
msgdata,channel_init,remote_shutdown_received,bool,
msgdata,channel_init,final_scriptpubkey_len,u16,
msgdata,channel_init,final_scriptpubkey,u8,final_scriptpubkey_len
msgdata,channel_init,flags,u8,
msgdata,channel_init,init_peer_pkt_len,u16,
msgdata,channel_init,init_peer_pkt,u8,init_peer_pkt_len
msgdata,channel_init,reached_announce_depth,bool,
msgdata,channel_init,last_remote_secret,secret,
msgdata,channel_init,lflen,u16,
msgdata,channel_init,localfeatures,u8,lflen
msgdata,channel_init,upfront_shutdown_script_len,u16,
msgdata,channel_init,upfront_shutdown_script,u8,upfront_shutdown_script_len
msgdata,channel_init,remote_ann_node_sig,?secp256k1_ecdsa_signature,
msgdata,channel_init,remote_ann_bitcoin_sig,?secp256k1_ecdsa_signature,
msgdata,channel_init,option_static_remotekey,bool,
msgdata,channel_init,dev_fast_gossip,bool,
msgdata,channel_init,dev_fail_process_onionpacket,bool,
# master->channeld funding hit new depth(funding locked if >= lock depth)
msgtype,channel_funding_depth,1002
msgdata,channel_funding_depth,short_channel_id,?short_channel_id,
msgdata,channel_funding_depth,depth,u32,
# Tell channel to offer this htlc
msgtype,channel_offer_htlc,1004
msgdata,channel_offer_htlc,amount_msat,amount_msat,
msgdata,channel_offer_htlc,cltv_expiry,u32,
msgdata,channel_offer_htlc,payment_hash,sha256,
msgdata,channel_offer_htlc,onion_routing_packet,u8,1366
# Reply; synchronous since IDs have to increment.
msgtype,channel_offer_htlc_reply,1104
msgdata,channel_offer_htlc_reply,id,u64,
# Empty failure message means success.
msgdata,channel_offer_htlc_reply,len,u16,
msgdata,channel_offer_htlc_reply,failuremsg,u8,len
msgdata,channel_offer_htlc_reply,failurestr,wirestring,
# Main daemon found out the preimage for an HTLC
#include <bitcoin/preimage.h>
msgtype,channel_fulfill_htlc,1005
msgdata,channel_fulfill_htlc,fulfilled_htlc,fulfilled_htlc,
# Main daemon says HTLC failed
msgtype,channel_fail_htlc,1006
msgdata,channel_fail_htlc,failed_htlc,failed_htlc,
# When we receive funding_locked.
msgtype,channel_got_funding_locked,1019
msgdata,channel_got_funding_locked,next_per_commit_point,pubkey,
# When we send a commitment_signed message, tell master.
msgtype,channel_sending_commitsig,1020
msgdata,channel_sending_commitsig,commitnum,u64,
msgdata,channel_sending_commitsig,fee_states,fee_states,
# SENT_ADD_COMMIT, SENT_REMOVE_ACK_COMMIT, SENT_ADD_ACK_COMMIT, SENT_REMOVE_COMMIT
msgdata,channel_sending_commitsig,num_changed,u16,
msgdata,channel_sending_commitsig,changed,changed_htlc,num_changed
msgdata,channel_sending_commitsig,commit_sig,bitcoin_signature,
msgdata,channel_sending_commitsig,num_htlc_sigs,u16,
msgdata,channel_sending_commitsig,htlc_sigs,secp256k1_ecdsa_signature,num_htlc_sigs
# Wait for reply, to make sure it's on disk before we send commit.
msgtype,channel_sending_commitsig_reply,1120
# When we have a commitment_signed message, tell master to remember.
msgtype,channel_got_commitsig,1021
msgdata,channel_got_commitsig,commitnum,u64,
msgdata,channel_got_commitsig,fee_states,fee_states,
msgdata,channel_got_commitsig,signature,bitcoin_signature,
msgdata,channel_got_commitsig,num_htlcs,u16,
msgdata,channel_got_commitsig,htlc_signature,secp256k1_ecdsa_signature,num_htlcs
# RCVD_ADD_COMMIT: we're now committed to their new offered HTLCs.
msgdata,channel_got_commitsig,num_added,u16,
msgdata,channel_got_commitsig,added,added_htlc,num_added
# RCVD_REMOVE_COMMIT: we're now no longer committed to these HTLCs.
msgdata,channel_got_commitsig,num_fulfilled,u16,
msgdata,channel_got_commitsig,fulfilled,fulfilled_htlc,num_fulfilled
msgdata,channel_got_commitsig,num_failed,u16,
msgdata,channel_got_commitsig,failed,failed_htlc,num_failed
# RCVD_ADD_ACK_COMMIT, RCVD_REMOVE_ACK_COMMIT
msgdata,channel_got_commitsig,num_changed,u16,
msgdata,channel_got_commitsig,changed,changed_htlc,num_changed
msgdata,channel_got_commitsig,tx,bitcoin_tx,
# Wait for reply, to make sure it's on disk before we send revocation.
msgtype,channel_got_commitsig_reply,1121
#include <common/htlc_wire.h>
msgtype,channel_got_revoke,1022
msgdata,channel_got_revoke,revokenum,u64,
msgdata,channel_got_revoke,per_commitment_secret,secret,
msgdata,channel_got_revoke,next_per_commit_point,pubkey,
# RCVD_ADD_ACK_REVOCATION, RCVD_REMOVE_ACK_REVOCATION, RCVD_ADD_REVOCATION, RCVD_REMOVE_REVOCATION
msgdata,channel_got_revoke,fee_states,fee_states,
msgdata,channel_got_revoke,num_changed,u16,
msgdata,channel_got_revoke,changed,changed_htlc,num_changed
# Wait for reply, to make sure it's on disk before we continue
# (eg. if we sent another commitment_signed, that would implicitly ack).
msgtype,channel_got_revoke_reply,1122
# Tell peer to shut down channel.
msgtype,channel_send_shutdown,1023
msgdata,channel_send_shutdown,shutdown_len,u16,
msgdata,channel_send_shutdown,shutdown_scriptpubkey,u8,shutdown_len
# Peer told us that channel is shutting down
msgtype,channel_got_shutdown,1024
msgdata,channel_got_shutdown,scriptpubkey_len,u16,
msgdata,channel_got_shutdown,scriptpubkey,u8,scriptpubkey_len
# Shutdown is complete, ready for closing negotiation. + peer_fd & gossip_fd.
msgtype,channel_shutdown_complete,1025
msgdata,channel_shutdown_complete,per_peer_state,per_peer_state,
# Re-enable commit timer.
msgtype,channel_dev_reenable_commit,1026
msgtype,channel_dev_reenable_commit_reply,1126,
msgtype,channel_feerates,1027
msgdata,channel_feerates,feerate,u32,
msgdata,channel_feerates,min_feerate,u32,
msgdata,channel_feerates,max_feerate,u32,
# master -> channeld: do you have a memleak?
msgtype,channel_dev_memleak,1033
msgtype,channel_dev_memleak_reply,1133
msgdata,channel_dev_memleak_reply,leak,bool,
# Peer presented proof it was from the future.
msgtype,channel_fail_fallen_behind,1028
# This is NULL if option_static_remotekey.
msgdata,channel_fail_fallen_behind,remote_per_commitment_point,?pubkey,
# Handle a channel specific feerate base ppm configuration
msgtype,channel_specific_feerates,1029
msgdata,channel_specific_feerates,feerate_base,u32,
msgdata,channel_specific_feerates,feerate_ppm,u32,
# When we receive announcement_signatures for channel announce
msgtype,channel_got_announcement,1017
msgdata,channel_got_announcement,remote_ann_node_sig,secp256k1_ecdsa_signature,
msgdata,channel_got_announcement,remote_ann_bitcoin_sig,secp256k1_ecdsa_signature,
# Ask channeld to send a error message. Used in forgetting channel case.
msgtype,channel_send_error,1008
msgdata,channel_send_error,reason,wirestring,
# Tell master channeld has sent the error message.
msgtype,channel_send_error_reply,1108