MetaMask · Gudahtt · Aug 30, 2024 · Aug 28, 2024 · Aug 29, 2024 · Aug 30, 2024
diff --git a/.yarn/patches/@trezor-connect-web-npm-9.3.0-040ab10d9a.patch b/.yarn/patches/@trezor-connect-web-npm-9.3.0-040ab10d9a.patch
@@ -0,0 +1,33 @@
+diff --git a/lib/impl/core-in-iframe.js b/lib/impl/core-in-iframe.js
+index c47cf3bff860d6b1855341c00b80fc6c40f9d6d5..275eb0f312ff396819fa406c154a3562842db49d 100644
+--- a/lib/impl/core-in-iframe.js
++++ b/lib/impl/core-in-iframe.js
+@@ -116,7 +116,9 @@ class CoreInIframe {
+         this._log.enabled = !!this._settings.debug;
+         window.addEventListener('message', this.boundHandleMessage);
+         window.addEventListener('unload', this.boundDispose);
+-        await iframe.init(this._settings);
++        const modifiedSettings = Object.assign({}, this.settings);
++        modifiedSettings.env = 'webextension';
++        await iframe.init(modifiedSettings);
+         if (this._settings.sharedLogger !== false) {
+             iframe.initIframeLogger();
+         }
+diff --git a/lib/popup/index.js b/lib/popup/index.js
+index 9b13c370a5ac8b4e4fc0315ed40cdf615d0bb0cb..4dbd97fc28df49beb73379451974ec48a8a42ea7 100644
+--- a/lib/popup/index.js
++++ b/lib/popup/index.js
+@@ -229,10 +229,12 @@ class PopupManager extends events_1.default {
+         }
+         else if (message.type === events_2.POPUP.LOADED) {
+             this.handleMessage(message);
++            const modifiedSettings = Object.assign({}, this.settings);
++            modifiedSettings.env = 'webextension';
+             this.channel.postMessage({
+                 type: events_2.POPUP.INIT,
+                 payload: {
+-                    settings: this.settings,
++                    settings: modifiedSettings,
+                     useCore: true,
+                 },
+             });
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [12.1.1]
+### Changed
+- Update Polygon from MATIC to POL ([#26671](https://github.com/MetaMask/metamask-extension/pull/26671))
+
+### Fixed
+- Fix signature confirmation UI crash ([#26143](https://github.com/MetaMask/metamask-extension/pull/26143))
+- Update current selected account when selected account is removed ([#26573](https://github.com/MetaMask/metamask-extension/pull/26573), [#26742](https://github.com/MetaMask/metamask-extension/pull/26742), [#26773](https://github.com/MetaMask/metamask-extension/pull/26773))
+  - This also includes a migration to reset the selected account if it's currently invalid
+- Prevent pending confirmations from being inaccessible after attempting to add currently selected chain ([#26726](https://github.com/MetaMask/metamask-extension/pull/26726))
+
 ## [12.1.0]
 ### Added
 - Launched a feature displaying the percentage increase or decrease for tokens within the UI ([#24223](https://github.com/MetaMask/metamask-extension/pull/24223))
@@ -4996,7 +5006,8 @@ Update styles and spacing on the critical error page  ([#20350](https://github.c
 - Added the ability to restore accounts from seed words.
 
 
-[Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v12.1.0...HEAD
+[Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v12.1.1...HEAD
+[12.1.1]: https://github.com/MetaMask/metamask-extension/compare/v12.1.0...v12.1.1
 [12.1.0]: https://github.com/MetaMask/metamask-extension/compare/v12.0.6...v12.1.0
 [12.0.6]: https://github.com/MetaMask/metamask-extension/compare/v12.0.5...v12.0.6
 [12.0.5]: https://github.com/MetaMask/metamask-extension/compare/v12.0.4...v12.0.5

diff --git a/app/images/matic-token.png b/app/images/matic-token.png
diff --git a/app/images/matic-token.svg → app/images/pol-token.svg b/app/images/matic-token.svg → app/images/pol-token.svg
diff --git a/app/scripts/controllers/metamask-notifications/constants/notification-schema.ts b/app/scripts/controllers/metamask-notifications/constants/notification-schema.ts
@@ -55,7 +55,7 @@ export const CHAIN_SYMBOLS = {
   [NOTIFICATION_CHAINS.ETHEREUM]: 'ETH',
   [NOTIFICATION_CHAINS.OPTIMISM]: 'ETH',
   [NOTIFICATION_CHAINS.BSC]: 'BNB',
-  [NOTIFICATION_CHAINS.POLYGON]: 'MATIC',
+  [NOTIFICATION_CHAINS.POLYGON]: 'POL',
   [NOTIFICATION_CHAINS.ARBITRUM]: 'ETH',
   [NOTIFICATION_CHAINS.AVALANCHE]: 'AVAX',
   [NOTIFICATION_CHAINS.LINEA]: 'ETH',

diff --git a/app/scripts/lib/accounts/BalancesController.test.ts b/app/scripts/lib/accounts/BalancesController.test.ts
@@ -19,7 +19,6 @@ import { Poller } from './Poller';
 const mockBtcAccount = createMockInternalAccount({
   address: '',
   name: 'Btc Account',
-  // @ts-expect-error - account type may be btc or eth, mock file is not typed
   type: BtcAccountType.P2wpkh,
   snapOptions: {
     id: 'mock-btc-snap',

diff --git a/app/scripts/lib/createDupeReqFilterStream.test.ts b/app/scripts/lib/createDupeReqFilterStream.test.ts
@@ -3,7 +3,7 @@ import OurReadableStream from 'readable-stream';
 import ReadableStream2 from 'readable-stream-2';
 import ReadableStream3 from 'readable-stream-3';
 
-import type { JsonRpcRequest } from '@metamask/utils';
+import type { JsonRpcNotification, JsonRpcRequest } from '@metamask/utils';
 import createDupeReqFilterStream, {
   THREE_MINUTES,
 } from './createDupeReqFilterStream';
@@ -26,7 +26,7 @@ function createTestStream(output: JsonRpcRequest[] = [], S = Transform) {
 }
 
 function runStreamTest(
-  requests: JsonRpcRequest[] = [],
+  requests: (JsonRpcRequest | JsonRpcNotification)[] = [],
   advanceTimersTime = 10,
   S = Transform,
 ) {
@@ -54,12 +54,12 @@ describe('createDupeReqFilterStream', () => {
     const requests = [
       { id: 1, method: 'foo' },
       { id: 2, method: 'bar' },
-    ];
+    ].map((request) => ({ ...request, jsonrpc: '2.0' as const }));
 
     const expectedOutput = [
       { id: 1, method: 'foo' },
       { id: 2, method: 'bar' },
-    ];
+    ].map((output) => ({ ...output, jsonrpc: '2.0' }));
 
     const output = await runStreamTest(requests);
     expect(output).toEqual(expectedOutput);
@@ -69,18 +69,25 @@ describe('createDupeReqFilterStream', () => {
     const requests = [
       { id: 1, method: 'foo' },
       { id: 1, method: 'foo' }, // duplicate
-    ];
+    ].map((request) => ({ ...request, jsonrpc: '2.0' as const }));
 
-    const expectedOutput = [{ id: 1, method: 'foo' }];
+    const expectedOutput = [{ id: 1, method: 'foo' }].map((output) => ({
+      ...output,
+      jsonrpc: '2.0',
+    }));
 
     const output = await runStreamTest(requests);
     expect(output).toEqual(expectedOutput);
   });
 
   it("lets through requests if they don't have an id", async () => {
-    const requests = [{ method: 'notify1' }, { method: 'notify2' }];
+    const requests = [{ method: 'notify1' }, { method: 'notify2' }].map(
+      (request) => ({ ...request, jsonrpc: '2.0' as const }),
+    );
 
-    const expectedOutput = [{ method: 'notify1' }, { method: 'notify2' }];
+    const expectedOutput = [{ method: 'notify1' }, { method: 'notify2' }].map(
+      (output) => ({ ...output, jsonrpc: '2.0' }),
+    );
 
     const output = await runStreamTest(requests);
     expect(output).toEqual(expectedOutput);
@@ -95,15 +102,15 @@ describe('createDupeReqFilterStream', () => {
       { method: 'notify2' },
       { id: 2, method: 'bar' },
       { id: 3, method: 'baz' },
-    ];
+    ].map((request) => ({ ...request, jsonrpc: '2.0' as const }));
 
     const expectedOutput = [
       { id: 1, method: 'foo' },
       { method: 'notify1' },
       { id: 2, method: 'bar' },
       { method: 'notify2' },
       { id: 3, method: 'baz' },
-    ];
+    ].map((output) => ({ ...output, jsonrpc: '2.0' }));
 
     const output = await runStreamTest(requests);
     expect(output).toEqual(expectedOutput);

diff --git a/app/scripts/lib/createDupeReqFilterStream.ts b/app/scripts/lib/createDupeReqFilterStream.ts
@@ -11,7 +11,7 @@ export const THREE_MINUTES = MINUTE * 3;
  * @returns The expiry set.
  */
 const makeExpirySet = () => {
-  const map: Map<string | number, number> = new Map();
+  const map: Map<string | number | null, number> = new Map();
 
   setInterval(() => {
     const cutoffTime = Date.now() - THREE_MINUTES;
@@ -32,7 +32,7 @@ const makeExpirySet = () => {
      * @param value - The value to add.
      * @returns `true` if the value was added, and `false` if it already existed.
      */
-    add(value: string | number) {
+    add(value: string | number | null) {
       if (!map.has(value)) {
         map.set(value, Date.now());
         return true;

diff --git a/app/scripts/lib/ppom/ppom-middleware.test.ts b/app/scripts/lib/ppom/ppom-middleware.test.ts
@@ -1,16 +1,12 @@
-import {
-  type Hex,
-  JsonRpcRequestStruct,
-  JsonRpcResponseStruct,
-} from '@metamask/utils';
+import { type Hex, JsonRpcResponseStruct } from '@metamask/utils';
 import { CHAIN_IDS } from '../../../../shared/constants/network';
 
 import {
   BlockaidReason,
   BlockaidResultType,
 } from '../../../../shared/constants/security-provider';
 import { flushPromises } from '../../../../test/lib/timer-helpers';
-import { createPPOMMiddleware } from './ppom-middleware';
+import { createPPOMMiddleware, PPOMMiddlewareRequest } from './ppom-middleware';
 import {
   generateSecurityAlertId,
   handlePPOMError,
@@ -28,6 +24,12 @@ const SECURITY_ALERT_RESPONSE_MOCK: SecurityAlertResponse = {
   reason: BlockaidReason.permitFarming,
 };
 
+const REQUEST_MOCK = {
+  params: [],
+  id: '',
+  jsonrpc: '2.0' as const,
+};
+
 const createMiddleware = (
   options: {
     chainId?: Hex;
@@ -48,8 +50,7 @@ const createMiddleware = (
   const preferenceController = {
     store: {
       getState: () => ({
-        securityAlertsEnabled:
-          securityAlertsEnabled === undefined ?? securityAlertsEnabled,
+        securityAlertsEnabled: securityAlertsEnabled ?? true,
       }),
     },
   };
@@ -106,14 +107,14 @@ describe('PPOMMiddleware', () => {
     });
 
     const req = {
-      ...JsonRpcRequestStruct,
+      ...REQUEST_MOCK,
       method: 'eth_sendTransaction',
       securityAlertResponse: undefined,
     };
 
     await middlewareFunction(
       req,
-      { ...JsonRpcResponseStruct },
+      { ...JsonRpcResponseStruct.TYPE },
       () => undefined,
     );
 
@@ -130,20 +131,20 @@ describe('PPOMMiddleware', () => {
   it('adds loading response to confirmation requests while validation is in progress', async () => {
     const middlewareFunction = createMiddleware();
 
-    const req = {
-      ...JsonRpcRequestStruct,
+    const req: PPOMMiddlewareRequest<(string | { to: string })[]> = {
+      ...REQUEST_MOCK,
       method: 'eth_sendTransaction',
       securityAlertResponse: undefined,
     };
 
     await middlewareFunction(
       req,
-      { ...JsonRpcResponseStruct },
+      { ...JsonRpcResponseStruct.TYPE },
       () => undefined,
     );
 
-    expect(req.securityAlertResponse.reason).toBe(BlockaidReason.inProgress);
-    expect(req.securityAlertResponse.result_type).toBe(
+    expect(req.securityAlertResponse?.reason).toBe(BlockaidReason.inProgress);
+    expect(req.securityAlertResponse?.result_type).toBe(
       BlockaidResultType.Loading,
     );
   });
@@ -154,7 +155,7 @@ describe('PPOMMiddleware', () => {
     });
 
     const req = {
-      ...JsonRpcRequestStruct,
+      ...REQUEST_MOCK,
       method: 'eth_sendTransaction',
       securityAlertResponse: undefined,
     };
@@ -171,14 +172,14 @@ describe('PPOMMiddleware', () => {
     });
 
     const req = {
-      ...JsonRpcRequestStruct,
+      ...REQUEST_MOCK,
       method: 'eth_sendTransaction',
       securityAlertResponse: undefined,
     };
 
     await middlewareFunction(
       req,
-      { ...JsonRpcResponseStruct },
+      { ...JsonRpcResponseStruct.TYPE },
       () => undefined,
     );
 
@@ -190,14 +191,14 @@ describe('PPOMMiddleware', () => {
     const middlewareFunction = createMiddleware();
 
     const req = {
-      ...JsonRpcRequestStruct,
+      ...REQUEST_MOCK,
       method: 'eth_someRequest',
       securityAlertResponse: undefined,
     };
 
     await middlewareFunction(
       req,
-      { ...JsonRpcResponseStruct },
+      { ...JsonRpcResponseStruct.TYPE },
       () => undefined,
     );
 
@@ -210,8 +211,8 @@ describe('PPOMMiddleware', () => {
     const nextMock = jest.fn();
 
     await middlewareFunction(
-      { ...JsonRpcRequestStruct, method: 'eth_sendTransaction' },
-      { ...JsonRpcResponseStruct },
+      { ...REQUEST_MOCK, method: 'eth_sendTransaction' },
+      { ...JsonRpcResponseStruct.TYPE },
       nextMock,
     );
 
@@ -227,12 +228,12 @@ describe('PPOMMiddleware', () => {
     const middlewareFunction = createMiddleware({ error });
 
     const req = {
-      ...JsonRpcRequestStruct,
+      ...REQUEST_MOCK,
       method: 'eth_sendTransaction',
       securityAlertResponse: undefined,
     };
 
-    await middlewareFunction(req, { ...JsonRpcResponseStruct }, nextMock);
+    await middlewareFunction(req, { ...JsonRpcResponseStruct.TYPE }, nextMock);
 
     expect(req.securityAlertResponse).toStrictEqual(
       SECURITY_ALERT_RESPONSE_MOCK,

diff --git a/app/scripts/lib/ppom/ppom-middleware.ts b/app/scripts/lib/ppom/ppom-middleware.ts
@@ -27,6 +27,12 @@ const CONFIRMATION_METHODS = Object.freeze([
   ...SIGNING_METHODS,
 ]);
 
+export type PPOMMiddlewareRequest<
+  Params extends JsonRpcParams = JsonRpcParams,
+> = Required<JsonRpcRequest<Params>> & {
+  securityAlertResponse?: SecurityAlertResponse | undefined;
+};
+
 /**
  * Middleware function that handles JSON RPC requests.
  * This function will be called for every JSON RPC request.
@@ -44,7 +50,7 @@ const CONFIRMATION_METHODS = Object.freeze([
  * @returns PPOMMiddleware function.
  */
 export function createPPOMMiddleware<
-  Params extends JsonRpcParams,
+  Params extends (string | { to: string })[],
   Result extends Json,
 >(
   ppomController: PPOMController,
@@ -58,7 +64,7 @@ export function createPPOMMiddleware<
   ) => void,
 ) {
   return async (
-    req: JsonRpcRequest<Params>,
+    req: PPOMMiddlewareRequest<Params>,
     _res: JsonRpcResponse<Result>,
     next: () => void,
   ) => {

diff --git a/app/scripts/lib/ppom/ppom-util.test.ts b/app/scripts/lib/ppom/ppom-util.test.ts
@@ -31,6 +31,8 @@ const TRANSACTION_ID_MOCK = '123';
 const REQUEST_MOCK = {
   method: 'eth_signTypedData_v4',
   params: [],
+  id: '',
+  jsonrpc: '2.0' as const,
 };
 
 const SECURITY_ALERT_RESPONSE_MOCK: SecurityAlertResponse = {