fix: do not support 7702/5792 for 4337 AA accounts

demo/vue-app-new/src/components/X402Tester.vue

@@ -4,12 +4,12 @@ import { useSwitchChain } from "@wagmi/vue";
 import { useX402Fetch } from "@web3auth/modal/x402/vue";
 import { useChain, useWeb3Auth } from "@web3auth/modal/vue";
 import { CHAIN_NAMESPACES } from "@web3auth/no-modal";
-import { ref, watch } from "vue";
+import { computed, ref, watch } from "vue";
 
 const BASE_SEPOLIA_CHAIN_ID = "0x14a34"; // 84532
 const SOLANA_DEVNET_CHAIN_ID = "0x67"; // 103
 const SOLANA_DEVNET_CAIP_CHAIN_ID = `solana:${Number(SOLANA_DEVNET_CHAIN_ID)}`;
-const DEFAULT_X402_URL = import.meta.env.VITE_APP_X402_TEST_CONTENT_URL || "https://x402.org/protected";
+const DEFAULT_X402_URL = "https://web3auth-dev-demo-x420.sapphire-dev-2-1.authnetwork.dev";
 
 const { isConnected, connection, web3Auth } = useWeb3Auth();
 const { chainId, chainNamespace } = useChain();
@@ -19,6 +19,8 @@ const emit = defineEmits<{
   (e: "print-to-console", title: string, payload?: unknown): void;
 }>();
 
+const eip155Chains = computed(() => web3Auth.value?.coreOptions.chains?.filter((c) => c.chainNamespace === CHAIN_NAMESPACES.EIP155) || []);
+
 const url = ref(DEFAULT_X402_URL);
 const fetchLoading = ref(false);
 
@@ -45,9 +47,13 @@ watch(
 const onSwitchToBaseSepolia = async () => {
   fetchLoading.value = true;
   try {
-    await switchChainAsync({ chainId: parseInt(BASE_SEPOLIA_CHAIN_ID, 16) });
+    const newChain = eip155Chains.value.find((c) => c.chainId === BASE_SEPOLIA_CHAIN_ID);
+    if (!newChain) throw new Error(`Unsupported chainId: ${BASE_SEPOLIA_CHAIN_ID}`);
+    const data = await switchChainAsync({ chainId: Number(newChain.chainId) });
+    emit("print-to-console", "switchedChain", { chainId: data.id });
   } catch (err) {
-    emit("print-to-console", "x402 network error", err instanceof Error ? err.message : String(err));
+    console.error("Error", err);
+    emit("print-to-console", "switchedChain error", err instanceof Error ? err.message : String(err));
   } finally {
     fetchLoading.value = false;
   }

packages/no-modal/src/connectors/metamask-connector/metamaskConnector.ts

@@ -5,6 +5,15 @@ import { getErrorAnalyticsProperties, signChallenge } from "@toruslabs/base-cont
 import { bytesToHexPrefixedString, utf8ToBytes } from "@toruslabs/metadata-helpers";
 import type { Wallet } from "@wallet-standard/base";
 import { StandardConnect, StandardConnectFeature } from "@wallet-standard/features";
+import {
+  createScaffoldMiddlewareV2,
+  JRPCEngineV2,
+  type JRPCRequest,
+  type MiddlewareConstraint,
+  type MiddlewareParams,
+  providerFromEngineV2,
+  rpcErrors,
+} from "@web3auth/auth";
 import { EVM_METHOD_TYPES } from "@web3auth/ws-embed";
 import { generateSiweNonce } from "viem/siwe";
 
@@ -214,7 +223,7 @@ class MetaMaskConnector extends BaseConnector<void> {
           },
         });
 
-        this.evmProvider = this.evmClient.getProvider() as unknown as IProvider;
+        this.evmProvider = this.createEvmProviderBridge(this.evmClient.getProvider() as unknown as IProvider);
       }
 
       // Create the Solana client only when Solana chains are configured
@@ -457,24 +466,7 @@ class MetaMaskConnector extends BaseConnector<void> {
       throw WalletLoginError.unsupportedOperation("switchChain requires an EVM client, but no EVM chains are configured.");
     }
 
-    const chainConfig = this.coreOptions.chains.find(
-      (x) => x.chainId === params.chainId && ([CHAIN_NAMESPACES.EIP155] as ChainNamespaceType[]).includes(x.chainNamespace)
-    );
-
-    const chainConfiguration = chainConfig
-      ? {
-          chainId: params.chainId,
-          chainName: chainConfig.displayName,
-          rpcUrls: [chainConfig.rpcTarget],
-          blockExplorerUrls: chainConfig.blockExplorerUrl ? [chainConfig.blockExplorerUrl] : undefined,
-          nativeCurrency: {
-            name: chainConfig.tickerName,
-            symbol: chainConfig.ticker,
-            decimals: chainConfig.decimals || 18,
-          },
-          iconUrls: chainConfig.logo ? [chainConfig.logo] : undefined,
-        }
-      : undefined;
+    const chainConfiguration = this.getEvmChainConfiguration(params.chainId);
 
     await this.evmClient.switchChain({ chainId: params.chainId as Hex, chainConfiguration });
   }
@@ -550,6 +542,60 @@ class MetaMaskConnector extends BaseConnector<void> {
     }
     await this.initializationPromise;
   }
+
+  private getEvmChainConfiguration(chainId: string) {
+    const chainConfig = this.coreOptions.chains.find(
+      (x) => x.chainId === chainId && ([CHAIN_NAMESPACES.EIP155] as ChainNamespaceType[]).includes(x.chainNamespace)
+    );
+
+    return chainConfig
+      ? {
+          chainId,
+          chainName: chainConfig.displayName,
+          rpcUrls: [chainConfig.rpcTarget],
+          blockExplorerUrls: chainConfig.blockExplorerUrl ? [chainConfig.blockExplorerUrl] : undefined,
+          nativeCurrency: {
+            name: chainConfig.tickerName,
+            symbol: chainConfig.ticker,
+            decimals: chainConfig.decimals || 18,
+          },
+          iconUrls: chainConfig.logo ? [chainConfig.logo] : undefined,
+        }
+      : undefined;
+  }
+
+  private createEvmProviderBridge(provider: IProvider): IProvider {
+    const switchChainMiddleware = createScaffoldMiddlewareV2({
+      wallet_switchEthereumChain: async (params: MiddlewareParams<JRPCRequest<{ chainId: string }[]>>): Promise<null> => {
+        const chainParams = params.request.params?.length ? params.request.params[0] : undefined;
+        const chainId = chainParams?.chainId;
+
+        if (!chainId) throw rpcErrors.invalidParams("Missing chainId");
+        if (!this.evmClient) throw WalletLoginError.unsupportedOperation("MetaMask EVM client is not initialized");
+
+        const chainConfiguration = this.getEvmChainConfiguration(chainId);
+        await this.evmClient.switchChain({ chainId: chainId as Hex, chainConfiguration });
+        return null;
+      },
+    });
+    const forwardMiddleware: MiddlewareConstraint = async ({ request }) => {
+      return provider.request({ method: request.method, params: request.params });
+    };
+    const engine = JRPCEngineV2.create({ middleware: [switchChainMiddleware, forwardMiddleware] });
+    const engineProvider = providerFromEngineV2(engine) as IProvider;
+
+    return {
+      ...engineProvider,
+      // bind the provider events to the engine provider
+      // without the binding, the engine provider could not forward events to the original provider
+      on: provider.on.bind(provider),
+      once: provider.once.bind(provider),
+      removeListener: provider.removeListener.bind(provider),
+      off: typeof provider.off === "function" ? provider.off.bind(provider) : undefined,
+      emit: typeof provider.emit === "function" ? provider.emit.bind(provider) : undefined,
+      removeAllListeners: typeof provider.removeAllListeners === "function" ? provider.removeAllListeners.bind(provider) : undefined,
+    } as IProvider;
+  }
 }
 
 /**

packages/no-modal/src/providers/account-abstraction-provider/providers/AccountAbstractionProvider.ts

@@ -18,7 +18,7 @@ import { type BundlerClient, createBundlerClient, createPaymasterClient, type Pa
 
 import { CHAIN_NAMESPACES, type CustomChainConfig, type IProvider, WalletInitializationError } from "../../../base";
 import { BaseProvider, type BaseProviderConfig, type BaseProviderState } from "../../../providers/base-provider";
-import { createAaMiddleware, createEoaMiddleware, providerAsMiddleware } from "../rpc/ethRpcMiddlewares";
+import { createAaMiddleware, createEip7702And5792MiddlewareForAaProvider, createEoaMiddleware, providerAsMiddleware } from "../rpc/ethRpcMiddlewares";
 import { getProviderHandlers } from "./utils";
 
 interface AccountAbstractionProviderConfig extends BaseProviderConfig {
@@ -80,7 +80,10 @@ class AccountAbstractionProvider extends BaseProvider<AccountAbstractionProvider
   }
 
   public async setupProvider(eoaProvider: IProvider): Promise<void> {
-    const { currentChain } = this;
+    const currentChain = this.currentChain;
+    if (!currentChain) {
+      throw WalletInitializationError.invalidProviderConfigError(`AA chain config not found for chain ${this.chainId}`);
+    }
     const { chainNamespace } = currentChain;
     if (chainNamespace !== this.PROVIDER_CHAIN_NAMESPACE) throw WalletInitializationError.incompatibleChainNameSpace("Invalid chain namespace");
     const bundlerAndPaymasterConfig = this.config.smartAccountChainsConfig.find((config) => config.chainId === currentChain.chainId);
@@ -154,8 +157,12 @@ class AccountAbstractionProvider extends BaseProvider<AccountAbstractionProvider
       eoaProvider,
       handlers: providerHandlers,
     });
+
+    // middleware to handle EIP-7702 and EIP-5792 methods,
+    // currently, we do not support EIP-7702 and EIP-5792 methods for account abstraction provider
+    const eip7702And5792Middleware = await createEip7702And5792MiddlewareForAaProvider();
     const eoaMiddleware = providerAsMiddleware(eoaProvider);
-    const engine = JRPCEngineV2.create({ middleware: [aaMiddleware, eoaMiddleware] });
+    const engine = JRPCEngineV2.create({ middleware: [aaMiddleware, eip7702And5792Middleware, eoaMiddleware] });
     const provider = providerFromEngineV2(engine);
     this.updateProviderEngineProxy(provider);
     eoaProvider.once("chainChanged", (chainId) => {

packages/no-modal/src/providers/account-abstraction-provider/rpc/ethRpcMiddlewares.ts

@@ -1,5 +1,12 @@
-import { METHOD_TYPES } from "@toruslabs/ethereum-controllers";
-import { createScaffoldMiddlewareV2, type JRPCRequest, type MiddlewareConstraint, type MiddlewareParams, rpcErrors } from "@web3auth/auth";
+import { EIP_5792_METHODS, EIP_7702_METHODS, METHOD_TYPES } from "@toruslabs/ethereum-controllers";
+import {
+  createScaffoldMiddlewareV2,
+  type JRPCRequest,
+  type MiddlewareConstraint,
+  type MiddlewareParams,
+  providerErrors,
+  rpcErrors,
+} from "@web3auth/auth";
 
 import { IProvider } from "../../../base";
 import { IEthProviderHandlers, MessageParams, TransactionParams, TypedMessageParams } from "../../ethereum-provider";
@@ -210,6 +217,18 @@ export async function createEoaMiddleware({ aaProvider }: { aaProvider: IProvide
   });
 }
 
+export async function createEip7702And5792MiddlewareForAaProvider(): Promise<MiddlewareConstraint> {
+  const eip5792Methods = Object.values(EIP_5792_METHODS);
+  const eip7702Methods = Object.values(EIP_7702_METHODS);
+  const eip7702And5792Methods: string[] = [...eip5792Methods, ...eip7702Methods];
+  return async ({ request, next }) => {
+    if (eip7702And5792Methods.includes(request.method as string)) {
+      throw providerErrors.unsupportedMethod(`${request.method} is not supported for account abstraction provider`);
+    }
+    return next(request);
+  };
+}
+
 export function providerAsMiddleware(provider: IProvider): MiddlewareConstraint {
   return async ({ request }) => {
     return provider.request({ method: request.method, params: request.params });