Deduped random value generation from salt generation

1 files changed, 10 insertions, 1 deletions

diff --git a/packages/utils/src/address_utils.ts b/packages/utils/src/address_utils.ts
index 1fc960408..361e35cd8 100644
--- a/packages/utils/src/address_utils.ts
+++ b/packages/utils/src/address_utils.ts
@@ -1,7 +1,9 @@
-import { addHexPrefix, stripHexPrefix } from 'ethereumjs-util';
+import { addHexPrefix, sha3, stripHexPrefix } from 'ethereumjs-util';
 import * as jsSHA3 from 'js-sha3';
 import * as _ from 'lodash';
 
+import { generatePseudoRandom256BitNumber } from './random';
+
 const BASIC_ADDRESS_REGEX = /^(0x)?[0-9a-f]{40}$/i;
 const SAME_CASE_ADDRESS_REGEX = /^(0x)?([0-9a-f]{40}|[0-9A-F]{40})$/;
 const ADDRESS_LENGTH = 40;
@@ -43,4 +45,11 @@ export const addressUtils = {
     padZeros(address: string): string {
         return addHexPrefix(_.padStart(stripHexPrefix(address), ADDRESS_LENGTH, '0'));
     },
+    generatePseudoRandomAddress(): string {
+        const randomBigNum = generatePseudoRandom256BitNumber();
+        const randomBuff = sha3(randomBigNum.toString());
+        const addressLengthInBytes = 20;
+        const randomAddress = `0x${randomBuff.slice(0, addressLengthInBytes).toString('hex')}`;
+        return randomAddress;
+    },
 };