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lightningd: rebroadcast all pending txs each 30-60 seconds.

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We also do it on every block, but since bitcoind can't always be counted
to rebroadcast for us, we might as well be aggressive!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2023-04-07 14:30:01 +09:30
parent 3754e283f8
commit 62fa91e23b
2 changed files with 9 additions and 1 deletions
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8
lightningd/chaintopology.c
View file

@ -191,6 +191,13 @@ static void rebroadcast_txs(struct chain_topology *topo)
}
tal_free(cleanup_ctx);
/* Free explicitly in case we were called because a block came in.
* Then set a new timer 30-60 seconds away */
tal_free(topo->rebroadcast_timer);
topo->rebroadcast_timer = new_reltimer(topo->ld->timers, topo,
time_from_sec(30 + pseudorand(30)),
rebroadcast_txs, topo);
/* Let this do the dirty work. */
txs->cursor = (size_t)-1;
broadcast_remainder(topo->bitcoind, true, "", txs);
@ -1162,6 +1169,7 @@ struct chain_topology *new_topology(struct lightningd *ld, struct log *log)
topo->root = NULL;
topo->sync_waiters = tal(topo, struct list_head);
topo->extend_timer = NULL;
topo->rebroadcast_timer = NULL;
topo->stopping = false;
list_head_init(topo->sync_waiters);

2
lightningd/chaintopology.h
View file

@ -133,7 +133,7 @@ struct chain_topology {
struct bitcoind *bitcoind;
/* Timers we're running. */
struct oneshot *extend_timer, *updatefee_timer;
struct oneshot *extend_timer, *updatefee_timer, *rebroadcast_timer;
/* Bitcoin transactions we're broadcasting */
struct outgoing_tx_map *outgoing_txs;