@0x/contracts-test-utils: Add hexRandom() to hex_utils.ts.

2019-07-30 13:59:41 -04:00
parent cfa362321d
commit fc5963fa3d
2 changed files with 8 additions and 1 deletions
--- a/contracts/test-utils/src/hex_utils.ts
+++ b/contracts/test-utils/src/hex_utils.ts
@@ -1,3 +1,4 @@
+import * as crypto from 'crypto';
 import * as ethUtil from 'ethereumjs-util';

 /**
@@ -6,3 +7,9 @@ import * as ethUtil from 'ethereumjs-util';
 export function hexConcat(...args: Array<string | number | Buffer>): string {
    return ethUtil.bufferToHex(Buffer.concat(args.map(h => ethUtil.toBuffer(h))));
 }
+/**
+ * Generate a random hex string.
+ */
+export function hexRandom(size: number = 32): string {
+    return ethUtil.bufferToHex(crypto.randomBytes(size));
+}