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Channeld: init channel with remote announcement info when restart

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1. Add remote_ann_node_sigs and remote_bitcoin_sigs fields in channel_init message;
2. Master add announcement signatures into channel_init message, and send this message to Channeld.
Channeld will initial the channel with this signatures when it reenables the channel.
This commit is contained in:
trueptolemy
2019-05-14 17:36:05 +08:00
committed by Christian Decker
parent d93f61407a
commit 11412435ce
4 changed files with 34 additions and 2 deletions
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12
lightningd/channel_control.c
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@@ -297,6 +297,7 @@ void peer_start_channeld(struct channel *channel,
const struct config *cfg = &ld->config;
bool reached_announce_depth;
struct secret last_remote_per_commit_secret;
secp256k1_ecdsa_signature *remote_ann_node_sig, *remote_ann_bitcoin_sig;
hsmfd = hsm_get_client_fd(ld, &channel->peer->id,
channel->dbid,
@@ -370,6 +371,13 @@ void peer_start_channeld(struct channel *channel,
if (ld->config.ignore_fee_limits)
log_debug(channel->log, "Ignoring fee limits!");
if(!wallet_remote_ann_sigs_load(tmpctx, channel->peer->ld->wallet, channel->dbid,
&remote_ann_node_sig, &remote_ann_bitcoin_sig)) {
channel_internal_error(channel,
"Could not load remote announcement signatures");
return;
}
initmsg = towire_channel_init(tmpctx,
&get_chainparams(ld)->genesis_blockhash,
&channel->funding_txid,
@@ -419,7 +427,9 @@ void peer_start_channeld(struct channel *channel,
reached_announce_depth,
&last_remote_per_commit_secret,
channel->peer->localfeatures,
channel->remote_upfront_shutdown_script);
channel->remote_upfront_shutdown_script,
remote_ann_node_sig,
remote_ann_bitcoin_sig);
/* We don't expect a response: we are triggered by funding_depth_cb. */
subd_send_msg(channel->owner, take(initmsg));