fix: lint

Author: caieu

app/components/UI/Predict/providers/polymarket/utils.test.ts

@@ -46,10 +46,12 @@ const mockFetch = jest.fn();
 global.fetch = mockFetch;
 const mockQuery = jest.mocked(query);
 const mockEthQuery = jest.mocked(EthQuery);
-const mockNetworkController = Engine.context.NetworkController as {
-  findNetworkClientIdByChainId: jest.Mock;
-  getNetworkClientById: jest.Mock;
-};
+const mockFindNetworkClientIdByChainId = jest.mocked(
+  Engine.context.NetworkController.findNetworkClientIdByChainId,
+);
+const mockGetNetworkClientById = jest.mocked(
+  Engine.context.NetworkController.getNetworkClientById,
+);
 
 const apiKeyCreds = {
   apiKey: 'api-key',
@@ -73,12 +75,12 @@ describe('polymarket utils', () => {
   beforeEach(() => {
     jest.clearAllMocks();
     mockSignTypedMessage.mockResolvedValue('0xsig');
-    mockNetworkController.findNetworkClientIdByChainId.mockReturnValue(
-      'test-network-client-id',
-    );
-    mockNetworkController.getNetworkClientById.mockReturnValue({
+    mockFindNetworkClientIdByChainId.mockReturnValue('test-network-client-id');
+    mockGetNetworkClientById.mockReturnValue({
       provider: {},
-    });
+    } as ReturnType<
+      typeof Engine.context.NetworkController.getNetworkClientById
+    >);
   });
 
   it('creates API keys against the canonical CLOB host', async () => {

tests/api-mocking/mock-responses/polymarket/polymarket-mocks.ts

@@ -1073,10 +1073,9 @@ export const POLYMARKET_USDC_BALANCE_MOCKS = async (
         body?.method === 'eth_sendRawTransaction' ||
         body?.method === 'eth_sendTransaction'
       ) {
-        // Return a unique 32-byte hash per call so cross-chain transactions
-        // (e.g. Polygon deposit + Linea relay) don't share the same hash.
-        txHashCounter++;
-        result = `0x${txHashCounter.toString(16).padStart(64, '0')}`;
+        // A valid 32-byte tx hash is required; returning `0x` breaks submission and the
+        // activity list never shows Predict withdraw (or any) transactions.
+        result = MOCK_RPC_RESPONSES.TRANSACTION_RECEIPT_RESULT.transactionHash;
       } else if (body?.method === 'eth_getBlockByNumber') {
         // Return block details to enable EIP-1559 transactions
         result = {