make 'getAddressesForAccount' method abstract

src/wallet/hdwallet.ts

@@ -146,17 +146,7 @@ export abstract class AbstractHDWallet<T extends NeuteredAddressInfo = NeuteredA
     abstract getAddressInfo(address: string): T | null;
     abstract getPrivateKey(address: string): string;
     abstract getAddressesForZone(zone: Zone): T[];
-
-    /**
-     * Gets the addresses for a given account.
-     *
-     * @param {number} account - The account number.
-     * @returns {T[]} The addresses for the account.
-     */
-    public getAddressesForAccount(account: number): T[] {
-        const addresses = this._addresses.values();
-        return Array.from(addresses).filter((addressInfo) => addressInfo.account === account) as T[];
-    }
+    abstract getAddressesForAccount(account: number): T[];
 
     /**
      * Creates an instance of the HD wallet.

src/wallet/qi-hdwallet.ts

@@ -1707,4 +1707,17 @@ export class QiHDWallet extends AbstractHDWallet<QiAddressInfo> {
 
         return addressInfo;
     }
+
+    /**
+     * Gets the addresses for a given account.
+     *
+     * @param {number} account - The account number.
+     * @returns {QiAddressInfo[]} The addresses for the account.
+     */
+    public getAddressesForAccount(account: number): QiAddressInfo[] {
+        const addresses = this._addressesMap.values();
+        return Array.from(addresses)
+            .flat()
+            .filter((info) => info.account === account);
+    }
 }

src/wallet/quai-hdwallet.ts

@@ -369,11 +369,22 @@ export class QuaiHDWallet extends AbstractHDWallet<NeuteredAddressInfo> {
      * Gets the addresses for a given zone.
      *
      * @param {Zone} zone - The zone.
-     * @returns {T[]} The addresses for the zone.
+     * @returns {NeuteredAddressInfo[]} The addresses for the zone.
      */
     public getAddressesForZone(zone: Zone): NeuteredAddressInfo[] {
         this.validateZone(zone);
         const addresses = this._addresses.values();
         return Array.from(addresses).filter((addressInfo) => addressInfo.zone === zone);
     }
+
+    /**
+     * Gets the addresses for a given account.
+     *
+     * @param {number} account - The account number.
+     * @returns {NeuteredAddressInfo[]} The addresses for the account.
+     */
+    public getAddressesForAccount(account: number): NeuteredAddressInfo[] {
+        const addresses = this._addresses.values();
+        return Array.from(addresses).filter((addressInfo) => addressInfo.account === account);
+    }
 }