fix: offload bn.js dependency

Author: ahsan-javaid

package-lock.json

@@ -42,9 +42,7 @@
   "dependencies": {
     "@stacks/common": "^4.0.1",
     "@stacks/network": "^4.0.1",
-    "@stacks/transactions": "^4.0.0",
-    "@types/bn.js": "^4.11.6",
-    "bn.js": "^5.2.0"
+    "@stacks/transactions": "^4.0.0"
   },
   "devDependencies": {
     "@types/jest": "^26.0.22",

packages/bns/package.json

@@ -1,8 +1,6 @@
 import { Buffer } from '@stacks/common';
 import { bufferCV, uintCV, hash160 } from '@stacks/transactions';
 
-import BN from 'bn.js';
-
 export function decodeFQN(fqdn: string): {
   name: string;
   namespace: string;
@@ -30,6 +28,6 @@ export function decodeFQN(fqdn: string): {
 
 export const bufferCVFromString = (string: string) => bufferCV(Buffer.from(string));
 
-export const uintCVFromBN = (int: BN) => uintCV(int.toString(10));
+export const uintCVFromBN = (int: bigint) => uintCV(int.toString(10));
 
 export const getZonefileHash = (zonefile: string) => hash160(Buffer.from(zonefile));