refactor: rewrite POINTER_KEY_BY_PREFIX to enum

Author: davidyuk

src/tx/builder/constants.ts

@@ -19,12 +19,12 @@ export const NAME_BID_TIMEOUT_BLOCKS = 480 // # ~1 day
 // # this is the max length for a domain that requires a base fee to be paid
 export const NAME_MAX_LENGTH_FEE = 31
 export const NAME_BID_MAX_LENGTH = 12 // # this is the max length for a domain to be part of a bid
-export const POINTER_KEY_BY_PREFIX = {
-  ak: 'account_pubkey',
-  ok: 'oracle_pubkey',
-  ct: 'contract_pubkey',
-  ch: 'channel'
-} as const
+export enum POINTER_KEY_BY_PREFIX {
+  ak = 'account_pubkey',
+  ok = 'oracle_pubkey',
+  ct = 'contract_pubkey',
+  ch = 'channel'
+}
 // # https://github.com/aeternity/aeternity/blob/72e440b8731422e335f879a31ecbbee7ac23a1cf/apps/aecore/src/aec_governance.erl#L290
 // # https://github.com/aeternity/protocol/blob/master/AENS.md#protocol-fees-and-protection-times
 // # bid ranges:

src/tx/builder/helpers.ts

@@ -203,8 +203,8 @@ export function isNameValid (name: string): boolean {
  */
 export function getDefaultPointerKey (
   identifier: EncodedData<keyof typeof POINTER_KEY_BY_PREFIX>
-): typeof POINTER_KEY_BY_PREFIX[keyof typeof POINTER_KEY_BY_PREFIX] {
-  decode(identifier as any)
+): POINTER_KEY_BY_PREFIX {
+  decode(identifier)
   const prefix = identifier.substring(0, 2) as keyof typeof POINTER_KEY_BY_PREFIX
   return POINTER_KEY_BY_PREFIX[prefix]
 }