Remove unnecessary src/pure/random.ts

Author: alcuadrado

packages/ethereum-cryptography/package.json

@@ -57,7 +57,6 @@
     "./sha256.js": "./pure/sha256.js",
     "./hdkey.js": "./pure/hdkey.js",
     "./blake2b.js": "./pure/blake2b.js",
-    "./random.js": "./pure/random.js",
     "./bip39/index.js": "./pure/bip39/index.js"
   },
   "sideEffects": false,

packages/ethereum-cryptography/src/pure/random.ts

@@ -1,8 +1,8 @@
-import crypto from "crypto";
+const randombytes = require("randombytes");
 
 export function getRandomBytes(bytes: number): Promise<Buffer> {
   return new Promise((resolve, reject) => {
-    crypto.randomBytes(bytes, function(err: any, resp: Buffer) {
+    randombytes(bytes, function(err: any, resp: Buffer) {
       if (err) {
         reject(err);
         return;
@@ -14,5 +14,5 @@ export function getRandomBytes(bytes: number): Promise<Buffer> {
 }
 
 export function getRandomBytesSync(bytes: number): Buffer {
-  return crypto.randomBytes(bytes);
+  return randombytes(bytes);
 }