Function param_destinations_array

plugins/spender/multifundchannel.c:1876–1995

Validates the destinations input argument. Returns NULL if checking of destinations array worked, or non-NULL if it failed (and this function has already executed mfc_fail). */

executed mfc_fail).
*/
static struct command_result *
param_destinations_array(struct command *cmd, const char *name,
			 const char *buffer, const jsmntok_t *tok,
			 struct multifundchannel_destination **dests)
{
	size_t i;
	const jsmntok_t *json_dest;
	bool has_all = false;

	if (tok->type != JSMN_ARRAY)
		return command_fail_badparam(cmd, name, buffer, tok,
					     "must be an array");
	if (tok->size < 1)
		return command_fail_badparam(cmd, name, buffer, tok,
					     "must have at least one entry");

	*dests = tal_arr(cmd, struct multifundchannel_destination, tok->size);
	for (i = 0; i < tal_count(*dests); ++i)
		(*dests)[i].state = MULTIFUNDCHANNEL_START_NOT_YET;

	json_for_each_arr(i, json_dest, tok) {
		struct multifundchannel_destination *dest;
		const char *id;
		char *addrhint;
		struct amount_sat *amount, *request_amt;
		bool *announce;
		struct amount_msat *push_msat;
		struct lease_rates *rates;

		dest = &(*dests)[i];

		if (!param(cmd, buffer, json_dest,
			   p_req("id", param_string, &id),
			   p_req("amount", param_sat_or_all, &amount),
			   p_opt_def("announce", param_bool, &announce, true),
			   p_opt_def("push_msat", param_msat, &push_msat,
				     AMOUNT_MSAT(0)),
			   /* FIXME: do address validation here?
			    * Note that it will fail eventually (when
			    * passed in to fundchannel_start) if invalid*/
			   p_opt("close_to", param_string,
				 &dest->close_to_str),
			   p_opt_def("request_amt", param_sat, &request_amt,
				     AMOUNT_SAT(0)),
			   p_opt("compact_lease", param_lease_hex, &rates),
			   p_opt("mindepth", param_u32, &dest->mindepth),
			   p_opt("reserve", param_sat, &dest->reserve),
			   NULL))
			return command_param_failed();

		addrhint = strchr(id, '@');
		if (addrhint) {
			/* Split at @.  */
			size_t idlen = (size_t) (addrhint - id);
			addrhint = tal_strdup(*dests, addrhint + 1);
			id = tal_strndup(*dests, take(id), idlen);
		}