fix: Fix TS errors in core directory

app/constants/network.js

@@ -1,10 +1,12 @@
+import { NetworkType } from '@metamask/controller-utils';
+
 export const MAINNET = 'mainnet';
 export const HOMESTEAD = 'homestead';
 export const GOERLI = 'goerli';
 export const SEPOLIA = 'sepolia';
 export const LINEA_GOERLI = 'linea-goerli';
 export const LINEA_MAINNET = 'linea-mainnet';
-export const RPC = 'rpc';
+export const RPC = NetworkType.rpc;
 export const NO_RPC_BLOCK_EXPLORER = 'NO_BLOCK_EXPLORER';
 export const PRIVATENETWORK = 'PRIVATENETWORK';
 export const DEFAULT_MAINNET_CUSTOM_NAME = 'Ethereum Main Custom';

app/core/AppConstants.ts

@@ -1,3 +1,4 @@
+import { CoreTypes } from '@walletconnect/types';
 import Device from '../util/device';
 
 const DEVELOPMENT = 'development';
@@ -61,7 +62,7 @@ export default {
         native: 'metamask://',
         universal: 'https://metamask.app.link/',
       },
-    },
+    } as CoreTypes.Metadata,
   },
   SWAPS: {
     ACTIVE: true,

app/core/BackupVault/backupVault.test.ts

@@ -1,5 +1,6 @@
 import { backupVault } from './backupVault';
 import { VAULT_BACKUP_FAILED_UNDEFINED } from '../../constants/error';
+import { KeyringControllerState } from '@metamask/keyring-controller';
 
 //TODO Mock the react-native-keychain module test the other functions inside backupVault
 /*
@@ -12,9 +13,11 @@ import { VAULT_BACKUP_FAILED_UNDEFINED } from '../../constants/error';
 */
 describe('backupVault', () => {
   it('should return an error response when the vault is undefined', async () => {
-    const keyringState = {
+    const keyringState: KeyringControllerState = {
       vault: undefined,
       keyrings: [],
+      isUnlocked: false,
+      keyringTypes: [],
     };
     const response = await backupVault(keyringState);
     expect(response.success).toBe(false);

app/core/GasPolling/GasPolling.test.ts

@@ -3,9 +3,10 @@ import {
   startGasPolling,
   getEIP1559TransactionData,
   stopGasPolling,
-  // useDataStore,
 } from './GasPolling';
 import { parseTransactionEIP1559 } from '../../util/transactions';
+import { GasFeeOptions, GetEIP1559TransactionDataProps } from './types';
+import AppConstants from '../AppConstants';
 jest.mock('../../util/transactions');
 const mockedParseTransactionEIP1559 =
   parseTransactionEIP1559 as jest.MockedFunction<
@@ -30,39 +31,43 @@ jest.mock('react-redux', () => ({
 }));
 
 const suggestedGasLimit = '0x123';
+const selectedOption = 'medium';
 const gas = {
   maxWaitTimeEstimate: 45000,
   minWaitTimeEstimate: 15000,
   suggestedMaxFeePerGas: '1.500000018',
   suggestedMaxPriorityFeePerGas: '1.5',
+  selectedOption,
 };
-const selectedOption = 'medium';
-const gasFeeEstimates = {
-  baseFeeTrend: 'down',
-  estimatedBaseFee: '0.000000013',
-  high: {
-    maxWaitTimeEstimate: 60000,
-    minWaitTimeEstimate: 15000,
-    suggestedMaxFeePerGas: '2.450000023',
-    suggestedMaxPriorityFeePerGas: '2.45',
-  },
-  historicalBaseFeeRange: ['0.000000009', '0.000000014'],
-  historicalPriorityFeeRange: ['1', '96'],
-  latestPriorityFeeRange: ['1.5', '2.999999783'],
-  low: {
-    maxWaitTimeEstimate: 30000,
-    minWaitTimeEstimate: 15000,
-    suggestedMaxFeePerGas: '1.410000013',
-    suggestedMaxPriorityFeePerGas: '1.41',
-  },
-  medium: {
-    maxWaitTimeEstimate: 45000,
-    minWaitTimeEstimate: 15000,
-    suggestedMaxFeePerGas: '1.500000018',
-    suggestedMaxPriorityFeePerGas: '1.5',
+const gasFeeEstimates: GasFeeOptions = {
+  estimatedBaseFee: null,
+  gasFeeEstimates: {
+    baseFeeTrend: 'down',
+    estimatedBaseFee: '0.000000013',
+    high: {
+      maxWaitTimeEstimate: 60000,
+      minWaitTimeEstimate: 15000,
+      suggestedMaxFeePerGas: '2.450000023',
+      suggestedMaxPriorityFeePerGas: '2.45',
+    },
+    historicalBaseFeeRange: ['0.000000009', '0.000000014'],
+    historicalPriorityFeeRange: ['1', '96'],
+    latestPriorityFeeRange: ['1.5', '2.999999783'],
+    low: {
+      maxWaitTimeEstimate: 30000,
+      minWaitTimeEstimate: 15000,
+      suggestedMaxFeePerGas: '1.410000013',
+      suggestedMaxPriorityFeePerGas: '1.41',
+    },
+    medium: {
+      maxWaitTimeEstimate: 45000,
+      minWaitTimeEstimate: 15000,
+      suggestedMaxFeePerGas: '1.500000018',
+      suggestedMaxPriorityFeePerGas: '1.5',
+    },
+    networkCongestion: 0.4713,
+    priorityFeeTrend: 'level',
   },
-  networkCongestion: 0.4713,
-  priorityFeeTrend: 'level',
 };
 const contractExchangeRates = {};
 const conversionRate = 1844.31;
@@ -104,10 +109,9 @@ describe('GasPolling', () => {
 });
 
 describe('GetEIP1559TransactionData', () => {
-  const transactionData = {
+  const transactionData: GetEIP1559TransactionDataProps = {
     suggestedGasLimit,
     gas,
-    selectedOption,
     gasFeeEstimates,
     transactionState,
     contractExchangeRates,
@@ -117,10 +121,9 @@ describe('GetEIP1559TransactionData', () => {
   };
 
   it('should fail when incomplete props is passed for ', async () => {
-    const incompleteTransactionData = {
+    const incompleteTransactionData: Partial<GetEIP1559TransactionDataProps> = {
       suggestedGasLimit,
       gas,
-      selectedOption,
       gasFeeEstimates,
       transactionState,
       contractExchangeRates,
@@ -169,7 +172,7 @@ describe('GetEIP1559TransactionData', () => {
       suggestedMaxPriorityFeePerGasHex: '59682f00',
       timeEstimate: 'Likely in < 30 seconds',
       timeEstimateColor: 'green',
-      timeEstimateId: 'likely',
+      timeEstimateId: AppConstants.GAS_TIMES.LIKELY,
       totalMaxConversion: '1844.4',
       totalMaxHex: 'de0e3e3ba6645f6',
       totalMaxNative: '1.00005',

app/core/GasPolling/GasPolling.ts

@@ -124,7 +124,13 @@ export const getEIP1559TransactionData = ({
         conversionRate,
         currentCurrency,
         nativeCurrency,
-        transactionState,
+        transactionState: {
+          selectedAsset: transactionState.selectedAsset,
+          transaction: {
+            value: transactionState.transaction.value,
+            data: transactionState.transaction.data,
+          },
+        },
         gasFeeEstimates,
         swapsParams: undefined,
         selectedGasFee: {

app/core/GasPolling/types.ts

@@ -157,31 +157,30 @@ export interface TransactionSharedProps {
    * For UpdateEIP1559Transaction, the transactionState are undefined.
    */
   transactionState: {
-    assetType: string | undefined;
-    ensRecipient: string | undefined;
-    id: string | undefined;
-    nonce: string | undefined;
-    paymentRequest: string | undefined;
-    proposedNonce: string | undefined;
-    readableValue: string | undefined;
+    assetType?: string;
+    ensRecipient?: string;
+    id?: string;
+    nonce?: string;
+    proposedNonce?: string;
+    readableValue?: string;
     selectedAsset: Record<string, unknown>;
-    symbol: string | undefined;
+    symbol?: string;
     transaction: {
-      data: string | undefined;
-      from: string | undefined;
-      gas: string | undefined;
-      gasPrice: string | undefined;
-      maxFeePerGas: string | undefined;
-      maxPriorityFeePerGas: string | undefined;
-      to: string | undefined;
-      value: string | undefined;
+      data?: string;
+      from?: string;
+      gas?: string;
+      gasPrice?: string;
+      maxFeePerGas?: string;
+      maxPriorityFeePerGas?: string;
+      to?: string;
+      value?: string;
     };
-    transactionFromName: string | undefined;
-    transactionTo: string | undefined;
-    transactionToName: string | undefined;
-    transactionValue: string | undefined;
-    type: string | undefined;
-    warningGasPriceHigh: string | undefined;
+    transactionFromName?: string;
+    transactionTo?: string;
+    transactionToName?: string;
+    transactionValue?: string;
+    type?: string;
+    warningGasPriceHigh?: string;
   };
   contractExchangeRates: Record<string, unknown>;
 }

app/core/RPCMethods/RPCMethodMiddleware.test.ts

@@ -17,6 +17,9 @@ import { getRpcMethodMiddleware } from './RPCMethodMiddleware';
 import AppConstants from '../AppConstants';
 import { PermissionConstraint } from '@metamask/permission-controller';
 import PPOMUtil from '../../lib/ppom/ppom-util';
+import initialBackgroundState from '../../util/test/initial-background-state.json';
+import { Store } from 'redux';
+import { RootState } from 'app/reducers';
 
 jest.mock('../Engine', () => ({
   context: {
@@ -55,8 +58,6 @@ jest.mock('../../store', () => ({
   },
 }));
 
-const mockStore = store as { getState: jest.Mock };
-
 jest.mock('../Permissions', () => ({
   getPermittedAccounts: jest.fn(),
 }));
@@ -212,21 +213,25 @@ function setupGlobalState({
   providerConfig?: ProviderConfig;
   selectedAddress?: string;
 }) {
-  mockStore.getState.mockImplementation(() => ({
-    browser: activeTab
-      ? {
-          activeTab,
-        }
-      : {},
-    engine: {
-      backgroundState: {
-        NetworkController: {
-          providerConfig: providerConfig || {},
+  // TODO: Remove any cast once PermissionController type is fixed. Currently, the state shows never.
+  jest
+    .spyOn(store as Store<Partial<RootState>, any>, 'getState')
+    .mockImplementation(() => ({
+      browser: activeTab
+        ? {
+            activeTab,
+          }
+        : {},
+      engine: {
+        backgroundState: {
+          ...initialBackgroundState,
+          NetworkController: {
+            providerConfig: providerConfig || {},
+          },
+          PreferencesController: selectedAddress ? { selectedAddress } : {},
         },
-        PreferencesController: selectedAddress ? { selectedAddress } : {},
-      },
-    },
-  }));
+      } as any,
+    }));
   if (addTransactionResult) {
     MockEngine.context.TransactionController.addTransaction.mockImplementation(
       async () => ({ result: addTransactionResult }),

app/core/RPCMethods/eth_sendTransaction.test.ts

@@ -86,7 +86,7 @@ function getMockAddTransaction({
     ) => {
       expect(deviceConfirmedOn).toBe('metamask_mobile');
       if (expectedOrigin) {
-        expect(origin).toBe(expectedOrigin);
+        expect(origin).toBe(expectedOrigin.origin);
       }
       if (expectedTransaction) {
         expect(transaction).toBe(expectedTransaction);
@@ -120,7 +120,7 @@ describe('eth_sendTransaction', () => {
       res: pendingResult,
       sendTransaction: getMockAddTransaction({
         expectedTransaction: mockTransactionParameters,
-        expectedOrigin: 'example.metamask.io',
+        expectedOrigin: { origin: 'example.metamask.io' },
         returnValue: expectedResult,
       }),
       validateAccountAndChainId: jest.fn(),
@@ -205,7 +205,7 @@ describe('eth_sendTransaction', () => {
           res: constructPendingJsonRpcResponse(),
           sendTransaction: getMockAddTransaction({
             expectedTransaction: mockTransactionParameters,
-            expectedOrigin: 'example.metamask.io',
+            expectedOrigin: { origin: 'example.metamask.io' },
             addTransactionError: new Error('Failed to add transaction'),
           }),
           validateAccountAndChainId: jest.fn(),
@@ -225,7 +225,7 @@ describe('eth_sendTransaction', () => {
           res: constructPendingJsonRpcResponse(),
           sendTransaction: getMockAddTransaction({
             expectedTransaction: mockTransactionParameters,
-            expectedOrigin: 'example.metamask.io',
+            expectedOrigin: { origin: 'example.metamask.io' },
             processTransactionError: new Error('User rejected the transaction'),
           }),
           validateAccountAndChainId: jest.fn(),
@@ -246,7 +246,7 @@ describe('eth_sendTransaction', () => {
       res: pendingResult,
       sendTransaction: getMockAddTransaction({
         expectedTransaction: mockTransactionParameters,
-        expectedOrigin: 'example.metamask.io',
+        expectedOrigin: { origin: 'example.metamask.io' },
         returnValue: expectedResult,
       }),
       validateAccountAndChainId: jest.fn(),

app/core/SDKConnect/SDKConnect.ts

@@ -61,7 +61,7 @@ export interface ConnectionProps {
   initialConnection?: boolean;
   originatorInfo?: OriginatorInfo;
   validUntil: number;
-  lastAuthorized: number; // timestamp of last received activity
+  lastAuthorized?: number; // timestamp of last received activity
 }
 export interface ConnectedSessions {
   [id: string]: Connection;
@@ -133,7 +133,7 @@ export class Connection extends EventEmitter2 {
   /*
    * Timestamp of last activity, used to check if channel is still active and to prevent showing OTP approval modal too often.
    */
-  lastAuthorized: number;
+  lastAuthorized?: number;
 
   /**
    * Prevent double sending 'authorized' message.

app/core/WalletConnect/WalletConnect.test.ts

@@ -41,10 +41,12 @@ describe('WalletConnect', () => {
     });
   const walletConnectorRejectSessionMock = jest.fn();
 
-  RNWalletConnect.mockImplementation(() => ({
-    on: walletConnectorSessionRequestCallbackMock,
-    rejectSession: walletConnectorRejectSessionMock,
-  }));
+  jest
+    .spyOn(RNWalletConnect.prototype, 'on')
+    .mockImplementation(walletConnectorSessionRequestCallbackMock);
+  jest
+    .spyOn(RNWalletConnect.prototype, 'rejectSession')
+    .mockImplementation(walletConnectorRejectSessionMock);
 
   afterEach(() => {
     // Reset WalletConnect

app/declarations.d.ts

@@ -32,6 +32,8 @@ declare module '*.png' {
   export default content;
 }
 
+// TODO: eth-json-rpc-errors does not contain types. May want to create our own types.
+declare module 'eth-json-rpc-errors';
 declare module '@react-native-community/checkbox' {
   import CheckBoxOriginal from '@react-native-community/checkbox';
 

app/util/general/index.js

@@ -103,7 +103,7 @@ export const getURLProtocol = (url) => {
  * ipfs:// -> true
  * ipfs://ipfs/ -> true
  * https:// -> false
- * @param {string | null} uri - string representing the source uri to the file
+ * @param {string | null | undefined} uri - string representing the source uri to the file
  * @returns true if it's an ipfs url
  */
 export const isIPFSUri = (uri) => {