REFACTOR: Remove duplicate random alphanumeric string functions (#2601)

src/CodingContract/ContractGenerator.ts

@@ -11,6 +11,7 @@ import { BaseServer } from "../Server/BaseServer";
 import { getRandomIntInclusive } from "../utils/helpers/getRandomIntInclusive";
 import { ContractFilePath, resolveContractFilePath } from "../Paths/ContractFilePath";
 import { clampNumber } from "../utils/helpers/clampNumber";
+import { getRandomAlphanumericString } from "../utils/StringHelperFunctions";
 
 export function tryGeneratingRandomContract(numberOfTries: number): void {
   /**
@@ -213,15 +214,6 @@ function getRandomServer(): BaseServer | null {
   return randServer;
 }
 
-function getRandomAlphanumericString(length: number) {
-  const alphanumericChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
-  let result = "";
-  for (let i = 0; i < length; ++i) {
-    result += alphanumericChars.charAt(Math.random() * alphanumericChars.length);
-  }
-  return result;
-}
-
 /**
  * This function will return null if the randomized name collides with another contract's name on the specified server.
  * Callers of this function must return early and not generate a contract when it happens. It likely happens when there