Add secRnd method

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@qubic-lib/qubic-ts-library",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "author": "J0ET0M",
   "license": "Qubic's Anti Military License",
   "description": "Typescript Library to communicate with the Qubic Network. http://qubic.li",

src/crypto/index.js

@@ -20,6 +20,27 @@ const allocU16 = function (l, v) {
   return chunk;
 };
 
+/**
+ * Create a random number between 0 and 1 using a secure random number generator.
+ * @returns {number} Random number between 0 and 1
+ */
+const random = function () {
+  if (typeof window !== 'undefined' && window.crypto && window.crypto.getRandomValues) {
+    // Browser environment
+    const array = new Uint32Array(1);
+    window.crypto.getRandomValues(array);
+    return array[0] / (0xFFFFFFFF + 1);
+  } else if (typeof require !== 'undefined') {
+    // Node.js environment
+    const crypto = require('crypto');
+    const buffer = crypto.randomBytes(4);
+    const randomInt = buffer.readUInt32BE(0);
+    return randomInt / (0xFFFFFFFF + 1);
+  } else {
+    throw new Error('No secure random number generator available.');
+  }
+}
+
 /**
  * @namespace Crypto
  */
@@ -199,6 +220,7 @@ const crypto = new Promise(function (resolve) {
       K12,
       keccakP160012,
       KECCAK_STATE_LENGTH: 200,
+      secRnd: random,
     });
   };
 });
@@ -211,5 +233,6 @@ export const PUBLIC_KEY_LENGTH = 32;
 export const DIGEST_LENGTH = 32;
 export const NONCE_LENGTH = 32;
 export const CHECKSUM_LENGTH = 3;
+export const secRnd = random;
 
 export default crypto;

src/qubicHelper.ts

@@ -375,7 +375,7 @@ export class QubicHelper {
 
     public async createProposal(protocol: number, computorIndex: number, operatorSeed: string, url: string): Promise<Uint8Array> {
 
-        return crypto.then(({ schnorrq, K12 }) => {
+        return crypto.then(({ schnorrq, K12, secRnd }) => {
 
             // operator
             const operatorPrivateKey = this.privateKey(operatorSeed, 0, K12);
@@ -405,9 +405,9 @@ export class QubicHelper {
             offset++;
 
             // byte[3] dejavu (we let it empty)
-            proposal[offset++] = Math.floor(Math.random() * 255);
-            proposal[offset++] = Math.floor(Math.random() * 255);
-            proposal[offset++] = Math.floor(Math.random() * 255);
+            proposal[offset++] = Math.floor(secRnd() * 255);
+            proposal[offset++] = Math.floor(secRnd() * 255);
+            proposal[offset++] = Math.floor(secRnd() * 255);
 
             // byte type deprecated
             proposal[offset] = this.PROCESS_SPECIAL_COMMAND;
@@ -488,7 +488,7 @@ export class QubicHelper {
 
     public async createBallotRequests(protocol: number, operatorSeed: string, computorIndices: number[], votes: number[]): Promise<Uint8Array[]> {
 
-        return crypto.then(({ schnorrq, K12 }) => {
+        return crypto.then(({ schnorrq, K12, secRnd }) => {
 
             const output: Uint8Array[] = [];
 
@@ -515,9 +515,9 @@ export class QubicHelper {
                 offset++;
 
                 // byte[3] dejavu (we let it empty)
-                proposal[offset++] = Math.floor(Math.random() * 255);
-                proposal[offset++] = Math.floor(Math.random() * 255);
-                proposal[offset++] = Math.floor(Math.random() * 255);
+                proposal[offset++] = Math.floor(secRnd() * 255);
+                proposal[offset++] = Math.floor(secRnd() * 255);
+                proposal[offset++] = Math.floor(secRnd() * 255);
 
                 // byte type (depcrecated)
                 proposal[offset] = this.PROCESS_SPECIAL_COMMAND;

test/createProposal.test.ts

@@ -0,0 +1,12 @@
+import { QubicHelper } from "../dist/qubicHelper";
+
+test('Generate Proposal', async () => {
+    const helper = new QubicHelper();
+
+    const seed = "wqbdupxgcaimwdsnchitjmsplzclkqokhadgehdxqogeeiovzvadstt";
+    const publicId = "SUZFFQSCVPHYYBDCQODEMFAOKRJDDDIRJFFIWFLRDDJQRPKMJNOCSSKHXHGK";
+
+    const proposal = await helper.createProposal(1,1,seed, 'localhost');
+
+    expect(proposal).toBeInstanceOf(Uint8Array);
+});

test/useSecRndTest.js

@@ -0,0 +1,9 @@
+const crypto = require('../dist/crypto')
+
+async function main() {
+    const {secRnd} = await crypto
+    const randomNum = secRnd()
+    console.log(randomNum)
+}
+
+main()