[General] Code example of using wagmi to send EIP-712 tx

[cesarenaldi]

Team or Project

Lens Team

Environment

Testnet

L2 block number

No response

Provide a brief description of the functionality you're trying to implement and the issue you are running into.

I could only find this example: https://code.zksync.io/tutorials/guide-wagmi#send-transaction

For context, what I am trying to understand is the recommended flow from acquiring access to a WalletClient configured for a ZKsync chain to send the transaction in a wagmi/viem idiomatic way (i.e., leveraging their types system).

Repo Link (Optional)

No response

Additional Details

No response

[gleenai[bot]]

For sending EIP-712 formatted transactions using wagmi with ZKsync, you can follow the general steps outlined in the wagmi guide for ZKsync. Here’s a brief overview of the process:

1. Connect Wallet: First, ensure that you have connected to a wallet. You can use the wagmi library to facilitate wallet connections.

   • Connect Wallet Guide

2. Fetch Account: Once the wallet is connected, fetch the account details.

   • Fetch Account Guide

3. Send Transaction: For sending an EIP-712 transaction, you would typically need to prepare the transaction data according to the EIP-712 standard. This involves setting up the data structure and types for the transaction.

   • Send Transaction Guide

Unfortunately, the specific example of sending an EIP-712 transaction using wagmi with ZKsync is not directly available in the documentation. However, the general steps for sending transactions can be adapted by incorporating EIP-712 data formatting into the transaction preparation step.

For more detailed guidance and to discuss with other developers, you might find it helpful to visit the ZKsync developers discussions on Github: ZKsync Developers Discussions.

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[bxpana]

Since wagmi is a wrapper over Viem you can use the Viem docs, https://viem.sh/docs/chains/zksync#utilities.

[cesarenaldi]

hey @bxpana, I guess that what I am saying is that, although viem/zksync provides typed actions, I couldn't find a clean path (one that does not involve an unsafe TS assertion) to get a WalletClient returned by wagmi hooks to work with the ZKsync specific viem actions.

Hence I am wondering if you had tried this flow.

[bxpana]

Sorry about missing this so long ago. You might be able to use this as a reference to help if you didn't already get this figured out.

https://github.com/matter-labs/zksync-sso/blob/main/examples/nft-quest/composables/useMintNft.ts