Function refresh_anchor_spend

lightningd/anchorspend.c:560–584

}

static bool refresh_anchor_spend(struct channel *channel,
				 const struct bitcoin_tx **tx,
				 struct one_anchor *anch)
{
	struct bitcoin_tx *replace;
	struct amount_sat old_fee = anch->anchor_spend_fee;

	replace = spend_anchor(tal_parent(*tx), channel, anch);
	if (replace) {
		struct bitcoin_txid txid;

		bitcoin_txid(replace, &txid);
		log_info(channel->log, "RBF anchor %s commit tx spend %s: fee was %s now %s",
			 anch->commit_side == LOCAL ? "local" : "remote",
			 fmt_bitcoin_txid(tmpctx, &txid),
			 fmt_amount_sat(tmpctx, old_fee),
			 fmt_amount_sat(tmpctx, anch->anchor_spend_fee));
		log_debug(channel->log, "RBF anchor spend: Old tx %s new %s",
			  fmt_bitcoin_tx(tmpctx, *tx),
			  fmt_bitcoin_tx(tmpctx, replace));
		tal_free(*tx);
		*tx = replace;
	}
	return true;
}

static void create_and_broadcast_anchor(struct channel *channel,
					struct one_anchor *anch)