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df: add notification for receiving peer's funding tx sigs

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This will allow us to build complex, multi-peer transactions, with
easeTM!

Changelog-Added: EXPERIMENTAL, Plugins: `openchannel_peer_sigs` notification, which contains a peer's signatures for the funding transaction (`opt_dual_fund`)
This commit is contained in:
niftynei
2020-10-08 17:21:20 -05:00
committed by Rusty Russell
parent f9aab50ee8
commit daa55d1221
4 changed files with 55 additions and 0 deletions
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28
lightningd/notification.c
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@@ -467,3 +467,31 @@ void notify_coin_mvt(struct lightningd *ld,
jsonrpc_notification_end(n);
plugins_notify(ld->plugins, take(n));
}
static void openchannel_peer_sigs_serialize(struct json_stream *stream,
const struct channel_id *cid,
const struct wally_psbt *psbt)
{
json_object_start(stream, "openchannel_peer_sigs");
json_add_channel_id(stream, "channel_id", cid);
json_add_psbt(stream, "signed_psbt", psbt);
json_object_end(stream);
}
REGISTER_NOTIFICATION(openchannel_peer_sigs,
openchannel_peer_sigs_serialize);
void notify_openchannel_peer_sigs(struct lightningd *ld,
const struct channel_id *cid,
const struct wally_psbt *psbt)
{
void (*serialize)(struct json_stream *,
const struct channel_id *cid,
const struct wally_psbt *) = openchannel_peer_sigs_notification_gen.serialize;
struct jsonrpc_notification *n =
jsonrpc_notification_start(NULL, "openchannel_peer_sigs");
serialize(n->stream, cid, psbt);
jsonrpc_notification_end(n);
plugins_notify(ld->plugins, take(n));
}