fix: prevent duplicate native token address in token prices API request

Author: salimtb

packages/assets-controllers/src/CurrencyRateController.test.ts

@@ -1297,7 +1297,7 @@ describe('CurrencyRateController', () => {
       expect(fetchTokenPricesSpy).toHaveBeenCalledTimes(1);
       expect(fetchTokenPricesSpy).toHaveBeenCalledWith({
         chainId: '0x1', // First chainId with ETH as native currency
-        tokenAddresses: ['0x0000000000000000000000000000000000000000'],
+        tokenAddresses: [],
         currency: 'usd',
       });
 
@@ -1518,7 +1518,7 @@ describe('CurrencyRateController', () => {
       expect(fetchTokenPricesSpy).toHaveBeenCalledTimes(1);
       expect(fetchTokenPricesSpy).toHaveBeenCalledWith({
         chainId: '0x1',
-        tokenAddresses: ['0x0000000000000000000000000000000000000000'],
+        tokenAddresses: [],
         currency: 'usd',
       });
 
@@ -1598,7 +1598,7 @@ describe('CurrencyRateController', () => {
       // Should use Polygon's native token address (line 269)
       expect(fetchTokenPricesSpy).toHaveBeenCalledWith({
         chainId: '0x89',
-        tokenAddresses: ['0x0000000000000000000000000000000000001010'],
+        tokenAddresses: [],
         currency: 'usd',
       });
 

packages/assets-controllers/src/CurrencyRateController.ts

@@ -257,9 +257,10 @@ export class CurrencyRateController extends StaticIntervalPollingController<Curr
       const ratesResults = await Promise.allSettled(
         currencyToChainIdsEntries.map(async ([nativeCurrency, { chainId }]) => {
           const nativeTokenAddress = getNativeTokenAddress(chainId);
+          // Pass empty array as fetchTokenPrices automatically includes the native token address
           const tokenPrices = await this.#tokenPricesService.fetchTokenPrices({
             chainId,
-            tokenAddresses: [nativeTokenAddress],
+            tokenAddresses: [],
             currency: currentCurrency,
           });