feat: add MetaMask Flask provider support for EIP-6963

packages/sdk/src/constants.ts

@@ -16,7 +16,7 @@ export const METAMASK_DEEPLINK_BASE = 'metamask://connect';
 
 export const METAMASK_EIP_6369_PROVIDER_INFO = {
   NAME: 'MetaMask',
-  RDNS: 'io.metamask',
+  RDNS: ['io.metamask', 'io.metamask.flask'],
 };
 
 export const UUID_V4_REGEX =

packages/sdk/src/utils/eip6963RequestProvider.test.ts

@@ -32,7 +32,7 @@ describe('eip6963RequestProvider', () => {
     );
   });
 
-  it('should resolve with valid provider', async () => {
+  it('should resolve with valid provider for MetaMask Main', async () => {
     const mockProvider: SDKProvider = {} as SDKProvider;
     const mockInfo: EIP6963ProviderInfo = {
       uuid: 'a1d2c588-106f-4d05-958d-5e7d6c57c822',
@@ -60,4 +60,33 @@ describe('eip6963RequestProvider', () => {
 
     expect(requestProviderPromise).toBe(mockProvider);
   });
+
+  it('should resolve with valid provider for MetaMask Flask', async () => {
+    const mockProvider: SDKProvider = {} as SDKProvider;
+    const mockInfo: EIP6963ProviderInfo = {
+      uuid: 'a1d2c588-106f-4d05-958d-5e7d6c57c822',
+      name: 'MetaMask Flask',
+      icon: 'icon-path',
+      rdns: 'io.metamask.flask',
+    };
+    const mockEventDetail: EIP6963ProviderDetail = {
+      info: mockInfo,
+      provider: mockProvider,
+    };
+
+    (window.addEventListener as jest.Mock).mockImplementationOnce(
+      (eventName, callback) => {
+        if (eventName === EIP6963EventNames.Announce) {
+          callback({
+            type: EIP6963EventNames.Announce,
+            detail: mockEventDetail,
+          });
+        }
+      },
+    );
+
+    const requestProviderPromise = await eip6963RequestProvider();
+
+    expect(requestProviderPromise).toBe(mockProvider);
+  });
 });

packages/sdk/src/utils/eip6963RequestProvider.ts

@@ -43,7 +43,7 @@ export function eip6963RequestProvider(): Promise<MetaMaskInpageProvider> {
         const isValid =
           UUID_V4_REGEX.test(uuid) &&
           (name as string).startsWith(METAMASK_EIP_6369_PROVIDER_INFO.NAME) &&
-          rdns === METAMASK_EIP_6369_PROVIDER_INFO.RDNS;
+          METAMASK_EIP_6369_PROVIDER_INFO.RDNS.includes(rdns);
 
         if (isValid) {
           clearTimeout(timeoutId);