Feature request: hoisted multicall

[roninjin10]

Feature request is simply to support hoisting multicall options. Common use case is to be calling the same contract or same function.

For context this is how it works today:

const results = await publicClient.multicall({
  contracts: [
    {
      ...wagmiContract,
      functionName: 'ownerOf',
      args: [6942069n]
    },
    {
      ...wagmiContract,
      functionName: 'ownerOf',
      args: [69420n]
    },
  ]
})

How I propose it could work is providing options higher hoists that option such that it applies to all calls

const results = await publicClient.multicall({
   ...wagmiContract,
  functionName: 'ownerOf',
  contracts: [
    {
      args: [6942069n]
    },
    {
      args: [69420n]
    },
  ]
})

[hammeiam]

If this is just a syntactic change, would the following format be cleaner for you with the current state of viem?

const callShared = {...wagmiContract, functionName: 'ownerOf'}
const results = await publicClient.multicall({
  contracts: nftIds.map(id => ({...callShared, args:[id]}))
})

[jxom]

Yeah, I'd prefer this approach. I can't say I am a fan of hoisting it up to the root as it gives the consumer the wrong idea of how multicall actually works, plus, keeping the API surface area smaller reduces cognitive overload.

[roninjin10]

Yea coming back to this later it feels not worth the typescript complexity ect. don’t agree with past self that this is useful.