Function psbt_get_lightning

bitcoin/psbt.c:570–579

}

void *psbt_get_lightning(const struct wally_map *map,
			 const u8 proprietary_type,
			 size_t *val_len)
{
	void *res;
	u8 *key = psbt_make_key(NULL, proprietary_type, NULL);
	res = psbt_get_unknown(map, key, val_len);
	tal_free(key);
	return res;
}


void psbt_output_set_unknown(const tal_t *ctx,