Use @noble/hashes instead of hash.js

package.json

@@ -9,7 +9,7 @@
         "cy:ci": "cd frontend && npm run cy:run",
         "cy:install": "cd frontend && npm run cy:install",
         "benchmark": "cd benchmark && npm run benchmark",
-        "install:all": "npm i --install-links=false && concurrently \"cd shared && npm i --install-links=false\" \"cd frontend && npm i --install-links=false\" \"cd backend && npm i --install-links=false\" \"cd benchmarks && npm i --install-links=false\"",
+        "install:all": "npm i --install-links=false && concurrently \"cd shared && npm i --install-links=false\" \"cd frontend && npm i --install-links=false\" \"cd backend && npm i --install-links=false\" \"cd benchmark && npm i --install-links=false\"",
         "setup": "npm i --install-links=false && cd shared && npm i --install-links=false && npm run build && cd .. && concurrently \"cd frontend && npm i --install-links=false\" \"cd backend && npm i --install-links=false\" \"cd benchmark && npm i --install-links=false\"",
         "prune": "npm prune && cd shared && npm prune && cd ../frontend && npm prune && cd ../backend && npm prune",
         "prune:deployment": "npm prune --production && cd shared && npm prune --production && cd ../backend && npm prune --production",

shared/package.json

@@ -25,9 +25,9 @@
         "npm": ">=8"
     },
     "dependencies": {
+        "@noble/hashes": "^1.2.0",
         "class-transformer": "^0.5.1",
         "class-validator": "^0.14.0",
-        "hash.js": "^1.1.7",
         "immer": "^9.0.17",
         "lodash-es": "^4.17.21",
         "rbush": "^3.0.1",

shared/src/simulation/utils/randomness.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-bitwise */
 import { IsInt, Min, ValidateIf } from 'class-validator';
-import hash from 'hash.js';
+import { sha256 } from '@noble/hashes/sha256';
 import { v4 } from 'uuid';
 import { getCreate } from '../../models/utils';
 import type { ExerciseState } from '../../state';
@@ -62,16 +62,9 @@ export function nextInt(
  * @param draftState The exercise state where the pseudo random number generator state is stored
  * @returns An array of length 32 (specific to sha256) of numbers from 0-255
  */
-function advance(draftState: Mutable<ExerciseState>): number[] {
+function advance(draftState: Mutable<ExerciseState>): Uint8Array {
     const state = draftState.randomState;
-
-    const result = hash
-        .sha256()
-        .update(draftState.id)
-        .update(state.counter.toString())
-        .digest()
-        .map((b) => b & 0xff);
-
+    const result = sha256(`${draftState.id}${state.counter.toString()}`);
     state.counter++;
     return result;
 }