elements: Add elements overhead to sweep transactions

Turns out we weren't yet.
5 years ago · 81abf14142
1 changed files with 1 additions and 0 deletions
--- a/onchaind/onchaind.c
+++ b/onchaind/onchaind.c
@ -332,6 +332,7 @@ static struct bitcoin_tx *tx_to_us(const tal_t *ctx,

 	/* Worst-case sig is 73 bytes */
 	weight = bitcoin_tx_weight(tx) + 1 + 3 + 73 + 0 + tal_count(wscript);
+	weight = elements_add_overhead(weight, 1, 1);
 	fee = amount_tx_fee(feerate_per_kw, weight);

 	/* Result is trivial?  Spend with small feerate, but don't wait