Class bitcoin_txid

lightningd/anchorspend.c:568–568

	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",