Function json_keysend

plugins/keysend.c:179–294

}

static struct command_result *json_keysend(struct command *cmd, const char *buf,
					   const jsmntok_t *params)
{
	struct payment *p;
	const char *label;
	struct amount_msat *exemptfee, *msat, *maxfee;
	struct node_id *destination;
	u64 *maxfee_pct_millionths;
	u32 *maxdelay;
	unsigned int *retryfor;
	struct route_info **hints;
	struct tlv_field *extra_fields;
	bool *dev_use_shadow;
	struct out_req *req;

	/* BOLT #4:
	 * ## `max_htlc_cltv` Selection
	 *
	 * This ... value is defined as 2016 blocks, based on historical value
	 * deployed by Lightning implementations.
	 */
	/* FIXME: Typo in spec for CLTV in descripton!  But it breaks our spelling check, so we omit it above */
	if (!param_check(cmd, buf, params,
		   p_req("destination", param_node_id, &destination),
		   p_req("amount_msat", param_msat, &msat),
		   p_opt("label", param_string, &label),
		   p_opt("maxfeepercent", param_millionths,
			 &maxfee_pct_millionths),
		   p_opt_def("retry_for", param_number, &retryfor, 60),
		   p_opt_def("maxdelay", param_number, &maxdelay, 2016),
		   p_opt("exemptfee", param_msat, &exemptfee),
		   p_opt("extratlvs", param_extra_tlvs, &extra_fields),
		   p_opt("routehints", param_routehint_array, &hints),
		   p_opt("maxfee", param_msat, &maxfee),
		   p_opt_dev("dev_use_shadow", param_bool, &dev_use_shadow, true),
		   NULL))
		return command_param_failed();

	p = payment_new(cmd, cmd, NULL /* No parent */, global_hints, pay_mods);
	p->local_id = &my_id;
	p->route_destination = tal_steal(p, destination);
	p->pay_destination = p->route_destination;
	p->payment_secret = NULL;
	p->payment_metadata = NULL;
	p->blindedpath = NULL;
	p->blindedpay = NULL;
	/* FIXME: We could allow partial keysends, too, but we'd have to allow
	 * caller to provide keysend secret */
	p->our_amount = p->final_amount = *msat;
	p->routes = tal_steal(p, hints);
	// 42 is the Rust-Lightning default and the highest minimum we know of.
	p->min_final_cltv_expiry = 42;
	p->features = NULL;
	p->invstring = NULL;
	/* Don't try to use invstring to hand to sendonion! */
	p->invstring_used = true;
	p->why = "Initial attempt";
	p->constraints.cltv_budget = *maxdelay;