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channeld: Track penalty_bases internally

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`lightningd` passes in all the known penalty_bases when starting a new
`channeld` instance, which tracks them internally, eventually matching them
with revocations and passing them back to `lightningd` so it can create the
penalty transaction. From here it is just a small step to having `channeld`
also generate the penalty transaction if desired.
This commit is contained in:
Christian Decker
2020-05-07 10:19:43 +09:30
committed by Rusty Russell
parent 4af1db9ad5
commit ce471eabe0
3 changed files with 26 additions and 2 deletions
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7
lightningd/channel_control.c
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@@ -385,6 +385,7 @@ void peer_start_channeld(struct channel *channel,
bool reached_announce_depth;
struct secret last_remote_per_commit_secret;
secp256k1_ecdsa_signature *remote_ann_node_sig, *remote_ann_bitcoin_sig;
struct penalty_base *pbases;
hsmfd = hsm_get_client_fd(ld, &channel->peer->id,
channel->dbid,
@@ -463,6 +464,9 @@ void peer_start_channeld(struct channel *channel,
return;
}
pbases = wallet_penalty_base_load_for_channel(
tmpctx, channel->peer->ld->wallet, channel->dbid);
initmsg = towire_channel_init(tmpctx,
chainparams,
ld->our_features,
@@ -517,7 +521,8 @@ void peer_start_channeld(struct channel *channel,
* negotiated now! */
channel->option_static_remotekey,
IFDEV(ld->dev_fast_gossip, false),
IFDEV(dev_fail_process_onionpacket, false));
IFDEV(dev_fail_process_onionpacket, false),
pbases);
/* We don't expect a response: we are triggered by funding_depth_cb. */
subd_send_msg(channel->owner, take(initmsg));