Support Deployless Reads

[hammeiam]

Deployless Reads are supports by Viem, and it would be nice to have Wagmi support for the same functionality via ReadContract rather than extracting the underlying viem client.

[tmm]

It's already supported, just hasn't been carried over to the Wagmi docs yet. (PR welcome for that!)

TypeScript Playground

import { encodeFunctionData, parseAbi } from 'viem'
import { useReadContract } from 'wagmi'

// Bytecode
const result = useReadContract({
  abi: parseAbi(['function name() view returns (string)']),
  code: '0x...', // Accessible here: https://etherscan.io/address/0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2#code
  functionName: 'name',
})

// Deploy Factory
const account = {
  address: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
  abi: parseAbi(['function entryPoint() view returns (address)']),
} as const
const result2 = useReadContract({
  // Address of the Smart Account deployer (factory).
  factory: '0xE8Df82fA4E10e6A12a9Dab552bceA2acd26De9bb',

  // Function to execute on the factory to deploy the Smart Account.
  factoryData: encodeFunctionData({
    abi: parseAbi(['function createAccount(address owner, uint256 salt)']),
    functionName: 'createAccount',
    args: [account.address, 0n],
  }),

  // Function to call on the Smart Account.
  abi: account.abi,
  address: account.address,
  functionName: 'entryPoint',
})

[hammeiam]

I'm still having some issues...
First, code is not recognized by typescript, which I guess is to be expected if it hasn't made it into the docs yet?
Second, it looks like not have setting an address would force the call to be disabled [code] so I'm not sure how your demo is running

[tmm]

Make sure you are using the latest version of Viem. If this doesn't work, feel free to open an issue with a minimal reproduction.