refactor: tidy structure of source files

Fixes #79

src/protocol/errors/too-many-requests.ts

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {TOO_MANY_REQUESTS} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned, when to many request are submitted at once
+ */
+export class SCTooManyRequestsErrorResponse extends SCError {
+  /**
+   * Create a SCTooManyRequestsErrorResponse
+   *
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(stack?: boolean) {
+    super(
+      'TooManyRequestsError',
+      'Too many requests. You can not submit more than 5 queries an once',
+      TOO_MANY_REQUESTS,
+      stack,
+    );
+  }
+}