Function on_payment_failure

plugins/pay.c:694–805

}

static void on_payment_failure(struct payment *payment)
{
	struct payment *p, *nxt;
	struct payment_tree_result result = payment_collect_result(payment);
	list_for_each_safe(&payments, p, nxt, list)
	{
		struct json_stream *ret;
		struct command *cmd;
		const char *msg;
		/* The result for the active payment is returned in
		 * `payment_finished`. */
		if (payment == p)
			continue;

		/* When we suspended we've set the groupid to match so
		 * we'd know which calls were duplicates. */
		if (!sha256_eq(payment->payment_hash, p->payment_hash) ||
		    payment->groupid != p->groupid)
			continue;
		if (p->cmd == NULL)
			continue;

		cmd = p->cmd;
		p->cmd = NULL;
		if (p->aborterror != NULL) {
			/* We set an explicit toplevel error message,
			 * so let's report that. */
			ret = jsonrpc_stream_fail(cmd, PAY_STOPPED_RETRYING,
						  p->aborterror);
			payment_json_add_attempts(ret, "attempts", p);

			if (command_finished(cmd, ret)) {/* Ignore result. */}
		} else if (result.failure == NULL || result.failure->failcode < NODE) {
			/* This is failing because we have no more routes to try */
			msg = tal_fmt(cmd,
				      "Ran out of routes to try after "
				      "%d attempt%s: see `paystatus`",
				      result.attempts,
				      result.attempts == 1 ? "" : "s");
			ret = jsonrpc_stream_fail(cmd, PAY_STOPPED_RETRYING,
						  msg);
			payment_json_add_attempts(ret, "attempts", p);

			if (command_finished(cmd, ret)) {/* Ignore result. */}

		}  else {
			struct payment_result *failure = result.failure;
			assert(failure!= NULL);

			ret = jsonrpc_stream_fail(cmd, failure->code,
						  failure->message);

			json_add_u64(ret, "id", failure->id);

			json_add_u32(ret, "failcode", failure->failcode);
			json_add_string(ret, "failcodename",
					failure->failcodename);