Function wallet_htlc_update

wallet/wallet.c:2511–2575

input htlcs use failcode & failonion & we_filled, output htlcs use failmsg & failonion */

/* input htlcs use failcode & failonion & we_filled, output htlcs use failmsg & failonion */
void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid,
			const enum htlc_state new_state,
			const struct preimage *payment_key,
			u64 max_commit_num,
			enum onion_wire badonion,
			const struct onionreply *failonion,
			const u8 *failmsg,
			bool *we_filled)
{
	struct db_stmt *stmt;
	bool terminal = (new_state == RCVD_REMOVE_ACK_REVOCATION
			 || new_state == SENT_REMOVE_ACK_REVOCATION);

	/* We should only use this for badonion codes */
	assert(!badonion || (badonion & BADONION));

	/* The database ID must be set by a previous call to
	 * `wallet_htlc_save_*` */
	assert(htlc_dbid);
	stmt = db_prepare_v2(
	    wallet->db, SQL("UPDATE channel_htlcs SET hstate=?, payment_key=?, "
			    "malformed_onion=?, failuremsg=?, localfailmsg=?, "
			    "we_filled=?, max_commit_num=?"
			    " WHERE id=?"));

	db_bind_int(stmt, 0, htlc_state_in_db(new_state));
	db_bind_u64(stmt, 7, htlc_dbid);

	if (payment_key)
		db_bind_preimage(stmt, 1, payment_key);
	else
		db_bind_null(stmt, 1);

	db_bind_int(stmt, 2, badonion);

	if (failonion)
		db_bind_onionreply(stmt, 3, failonion);
	else
		db_bind_null(stmt, 3);

	db_bind_talarr(stmt, 4, failmsg);

	if (we_filled)
		db_bind_int(stmt, 5, *we_filled);
	else
		db_bind_null(stmt, 5);

	/* Set max_commit_num iff we're in final state. */
	if (terminal)
		db_bind_u64(stmt, 6, max_commit_num);
	else
		db_bind_null(stmt, 6);

	db_exec_prepared_v2(take(stmt));

	if (terminal) {
		/* If it's terminal, remove the data we needed for re-xmission. */
		stmt = db_prepare_v2(