add injected connector as fallback

[technophile-04]

Description

It seems this doesn't work. Like the wagmi is not able to use the injected connector make request.

To test:

• Add the following in externalContracts.ts

import { GenericContractsDeclaration } from "~~/utils/scaffold-eth/contract";

/**
 * @example
 * const externalContracts = {
 *   1: {
 *     DAI: {
 *       address: "0x...",
 *       abi: [...],
 *     },
 *   },
 * } as const;
 */
const externalContracts = {
  11155111: {
    YourContract: {
      address: "0x4E439fde29737bD2B8a89CC2C2dDf9926c624194",
      abi: [
        {
          inputs: [
            {
              internalType: "address",
              name: "_owner",
              type: "address",
            },
          ],
          stateMutability: "nonpayable",
          type: "constructor",
        },
        {
          anonymous: false,
          inputs: [
            {
              indexed: true,
              internalType: "address",
              name: "greetingSetter",
              type: "address",
            },
            {
              indexed: false,
              internalType: "string",
              name: "newGreeting",
              type: "string",
            },
            {
              indexed: false,
              internalType: "bool",
              name: "premium",
              type: "bool",
            },
            {
              indexed: false,
              internalType: "uint256",
              name: "value",
              type: "uint256",
            },
          ],
          name: "GreetingChange",
          type: "event",
        },
        {
          inputs: [],
          name: "greeting",
          outputs: [
            {
              internalType: "string",
              name: "",
              type: "string",
            },
          ],
          stateMutability: "view",
          type: "function",
        },
        {
          inputs: [],
          name: "owner",
          outputs: [
            {
              internalType: "address",
              name: "",
              type: "address",
            },
          ],
          stateMutability: "view",
          type: "function",
        },
        {
          inputs: [],
          name: "premium",
          outputs: [
            {
              internalType: "bool",
              name: "",
              type: "bool",
            },
          ],
          stateMutability: "view",
          type: "function",
        },
        {
          inputs: [
            {
              internalType: "string",
              name: "_newGreeting",
              type: "string",
            },
          ],
          name: "setGreeting",
          outputs: [],
          stateMutability: "payable",
          type: "function",
        },
        {
          inputs: [],
          name: "totalCounter",
          outputs: [
            {
              internalType: "uint256",
              name: "",
              type: "uint256",
            },
          ],
          stateMutability: "view",
          type: "function",
        },
        {
          inputs: [
            {
              internalType: "address",
              name: "",
              type: "address",
            },
          ],
          name: "userGreetingCounter",
          outputs: [
            {
              internalType: "uint256",
              name: "",
              type: "uint256",
            },
          ],
          stateMutability: "view",
          type: "function",
        },
        {
          inputs: [],
          name: "withdraw",
          outputs: [],
          stateMutability: "nonpayable",
          type: "function",
        },
        {
          stateMutability: "payable",
          type: "receive",
        },
      ],
      inheritedFunctions: {},
    },
  },
} as const;

export default externalContracts satisfies GenericContractsDeclaration;

• update scaffold.config.ts targeNetworks with: [chains.hardhat, chains.sepolia]

• Keep only unstable_connector(injected) as transport

  • In wagmiConfig.tsx in rpcFallback keep this:

      rpcFallbacks = isUsingDefaultKey
        ? [unstable_connector(injected)]
        : [http(alchemyHttpUrl), http(), unstable_connector(injected)];

• Open debug page and see we are not able to fetching anything on sepolia

---

I also tried injectedWallet from rainbowkit in wagmiConnectors but no luck

Will create an issue on wagmi later 🙌

Should fix #1026 if works