Beta 7 with some repo names changed.

Client/node_modules/strip-hex-prefix/src/index.js

@@ -0,0 +1,14 @@
+var isHexPrefixed = require('is-hex-prefixed');
+
+/**
+ * Removes '0x' from a given `String` is present
+ * @param {String} str the string value
+ * @return {String|Optional} a string by pass if necessary
+ */
+module.exports = function stripHexPrefix(str) {
+  if (typeof str !== 'string') {
+    return str;
+  }
+
+  return isHexPrefixed(str) ? str.slice(2) : str;
+}

Client/node_modules/strip-hex-prefix/src/tests/test.index.js

@@ -0,0 +1,47 @@
+const stripHexPrefix = require('../index.js');
+const assert = require('chai').assert;
+
+describe("isHexPrefixed", () => {
+  describe("constructor", () => {
+    it("should be function export", () => {
+      assert.equal(typeof stripHexPrefix, 'function');
+    });
+  });
+
+  describe("should function normall", () => {
+    it('should stripHexPrefix strip prefix of valid strings', () => {
+      assert.equal(stripHexPrefix('0xkdsfksfdkj'), 'kdsfksfdkj');
+      assert.equal(stripHexPrefix('0xksfdkj'), 'ksfdkj');
+      assert.equal(stripHexPrefix('0xkdsfdkj'), 'kdsfdkj');
+      assert.equal(stripHexPrefix('0x23442sfdkj'), '23442sfdkj');
+      assert.equal(stripHexPrefix('0xkdssdfssfdkj'), 'kdssdfssfdkj');
+      assert.equal(stripHexPrefix('0xaaaasfdkj'), 'aaaasfdkj');
+      assert.equal(stripHexPrefix('0xkdsdfsfsdfsdfsdfdkj'), 'kdsdfsfsdfsdfsdfdkj');
+      assert.equal(stripHexPrefix('0x111dssdddj'), '111dssdddj');
+      assert.equal(stripHexPrefix('0x'), '');
+      assert.equal(stripHexPrefix(''), '');
+      assert.equal(stripHexPrefix('-0xsdfsfd'), '-0xsdfsfd');
+      assert.equal(stripHexPrefix('-0x'), '-0x');
+    });
+
+    it('should stripHexPrefix strip prefix of mix hexed strings', () => {
+      assert.equal(stripHexPrefix('0xkdsfksfdkj'), 'kdsfksfdkj');
+      assert.equal(stripHexPrefix('ksfdkj'), 'ksfdkj');
+      assert.equal(stripHexPrefix('kdsfdkj'), 'kdsfdkj');
+      assert.equal(stripHexPrefix('23442sfdkj'), '23442sfdkj');
+      assert.equal(stripHexPrefix('0xkdssdfssfdkj'), 'kdssdfssfdkj');
+      assert.equal(stripHexPrefix('aaaasfdkj'), 'aaaasfdkj');
+      assert.equal(stripHexPrefix('kdsdfsfsdfsdfsdfdkj'), 'kdsdfsfsdfsdfsdfdkj');
+      assert.equal(stripHexPrefix('111dssdddj'), '111dssdddj');
+    });
+
+    it('should stripHexPrefix bypass if not string', () => {
+      assert.equal(stripHexPrefix(null), null);
+      assert.equal(stripHexPrefix(undefined), undefined);
+      assert.equal(stripHexPrefix(242423), 242423);
+      assert.deepEqual(stripHexPrefix({}), {});
+      assert.deepEqual(stripHexPrefix([]), []);
+      assert.equal(stripHexPrefix(true), true);
+    });
+  });
+});