Add isEthereumAddress

README.md

@@ -96,6 +96,7 @@ Validator                               | Description
 **isByteLength(str [, options])**          | check if the string's length (in UTF-8 bytes) falls in a range.<br/><br/>`options` is an object which defaults to `{min:0, max: undefined}`.
 **isCreditCard(str)**                   | check if the string is a credit card.
 **isCurrency(str [, options])**            | check if the string is a valid currency amount.<br/><br/>`options` is an object which defaults to `{symbol: '$', require_symbol: false, allow_space_after_symbol: false, symbol_after_digits: false, allow_negatives: true, parens_for_negatives: false, negative_sign_before_digits: false, negative_sign_after_digits: false, allow_negative_sign_placeholder: false, thousands_separator: ',', decimal_separator: '.', allow_decimal: true, require_decimal: false, digits_after_decimal: [2], allow_space_after_digits: false}`.<br/>**Note:** The array `digits_after_decimal` is filled with the exact number of digits allowed not a range, for example a range 1 to 3 will be given as [1, 2, 3].
+**isEthereumAddress(str)**              | check if the string is an [Ethereum](https://ethereum.org/) address using basic regex. Does not validate address checksums.
 **isBtcAddress(str)**            | check if the string is a valid BTC address.
 **isDataURI(str)**                      | check if the string is a [data uri format](https://developer.mozilla.org/en-US/docs/Web/HTTP/data_URIs).
 **isDecimal(str [, options])**             | check if the string represents a decimal number, such as 0.1, .3, 1.1, 1.00003, 4.0, etc.<br/><br/>`options` is an object which defaults to `{force_decimal: false, decimal_digits: '1,', locale: 'en-US'}`<br/><br/>`locale` determine the decimal separator and is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'hu-HU', 'it-IT', 'ku-IQ', nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA']`.<br/>**Note:** `decimal_digits` is given as a range like '1,3', a specific value like '3' or min like '1,'.

index.js

@@ -121,6 +121,8 @@ var _isISSN = _interopRequireDefault(require("./lib/isISSN"));
 
 var _isMobilePhone = _interopRequireWildcard(require("./lib/isMobilePhone"));
 
+var _isEthereumAddress = _interopRequireDefault(require("./lib/isEthereumAddress"));
+
 var _isCurrency = _interopRequireDefault(require("./lib/isCurrency"));
 
 var _isBtcAddress = _interopRequireDefault(require("./lib/isBtcAddress"));
@@ -241,6 +243,7 @@ var validator = {
   isMobilePhoneLocales: _isMobilePhone.locales,
   isPostalCode: _isPostalCode.default,
   isPostalCodeLocales: _isPostalCode.locales,
+  isEthereumAddress: _isEthereumAddress.default,
   isCurrency: _isCurrency.default,
   isBtcAddress: _isBtcAddress.default,
   isISO8601: _isISO.default,

lib/isEthereumAddress.js

@@ -0,0 +1,20 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isEthereumAddress;
+
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var eth = /^(0x)[0-9a-f]{40}$/i;
+
+function isEthereumAddress(str) {
+  (0, _assertString.default)(str);
+  return eth.test(str);
+}
+
+module.exports = exports.default;
+module.exports.default = exports.default;

src/index.js

@@ -74,6 +74,8 @@ import isISSN from './lib/isISSN';
 
 import isMobilePhone, { locales as isMobilePhoneLocales } from './lib/isMobilePhone';
 
+import isEthereumAddress from './lib/isEthereumAddress';
+
 import isCurrency from './lib/isCurrency';
 
 import isBtcAddress from './lib/isBtcAddress';
@@ -175,6 +177,7 @@ const validator = {
   isMobilePhoneLocales,
   isPostalCode,
   isPostalCodeLocales,
+  isEthereumAddress,
   isCurrency,
   isBtcAddress,
   isISO8601,

src/lib/isEthereumAddress.js

@@ -0,0 +1,8 @@
+import assertString from './util/assertString';
+
+const eth = /^(0x)[0-9a-f]{40}$/i;
+
+export default function isEthereumAddress(str) {
+  assertString(str);
+  return eth.test(str);
+}

test/validators.js

@@ -6657,6 +6657,27 @@ describe('Validators', () => {
     });
   });
 
+  it('should validate Ethereum addresses', () => {
+    test({
+      validator: 'isEthereumAddress',
+      valid: [
+        '0x0000000000000000000000000000000000000001',
+        '0x683E07492fBDfDA84457C16546ac3f433BFaa128',
+        '0x88dA6B6a8D3590e88E0FcadD5CEC56A7C9478319',
+        '0x8a718a84ee7B1621E63E680371e0C03C417cCaF6',
+        '0xFCb5AFB808b5679b4911230Aa41FfCD0cd335b42',
+      ],
+      invalid: [
+        '0xGHIJK05pwm37asdf5555QWERZCXV2345AoEuIdHt',
+        '0xFCb5AFB808b5679b4911230Aa41FfCD0cd335b422222',
+        '0xFCb5AFB808b5679b4911230Aa41FfCD0cd33',
+        '0b0110100001100101011011000110110001101111',
+        '683E07492fBDfDA84457C16546ac3f433BFaa128',
+        '1C6o5CDkLxjsVpnLSuqRs1UBFozXLEwYvU',
+      ],
+    });
+  });
+
   it('should validate Bitcoin addresses', () => {
     test({
       validator: 'isBtcAddress',

validator.js

@@ -1805,6 +1805,12 @@ function isMobilePhone(str, locale, options) {
 }
 var locales$3 = Object.keys(phones);
 
+var eth = /^(0x)[0-9a-f]{40}$/i;
+function isEthereumAddress(str) {
+  assertString(str);
+  return eth.test(str);
+}
+
 function currencyRegex(options) {
   var decimal_digits = "\\d{".concat(options.digits_after_decimal[0], "}");
   options.digits_after_decimal.forEach(function (digit, index) {
@@ -2430,6 +2436,7 @@ var validator = {
   isMobilePhoneLocales: locales$3,
   isPostalCode: isPostalCode,
   isPostalCodeLocales: locales$4,
+  isEthereumAddress: isEthereumAddress,
   isCurrency: isCurrency,
   isBtcAddress: isBtcAddress,
   isISO8601: isISO8601,