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ZKSync Example with Avail Nexus

This guide will help you set up and run the ZKSync adapter with Avail Nexus.

Prerequisites

1. Clone the ZKSync Repository

  • Clone the ZKSync repository:

    git clone https://github.com/vibhurajeev/zksync-era.git
cd zksync-era

2. Follow the Development Setup

  • Complete the development setup.

  • Install the zksync CLI for managing zksync services:

    ./bin/zkt

  • Initialize the zkStack ecosystem:

    zksync_inception ecosystem init

Running the ZKSync Server

  • Start the ZKSync server to run the chain:

    zksync_inception server

Running the ZKSync Adapter with Avail Nexus

1. Ensure Nexus Server is Running

  • Make sure the Nexus server is running. You can specify which ZKVM (sp1 or risc0) to use. If no ZKVM is specified, it will default to sp1:

    • To run with the default sp1 ZKVM: 
      nexus_cli nexus --dev
    • To explicitly run with sp1: 
      nexus_cli nexus --dev sp1
    • To run with the risc0 ZKVM: 
      nexus_cli nexus --dev risc0

2. Ensure ZKSync Server is Running

  • Make sure the ZKSync server is running as per the previous steps.

3. Run the ZKSync Adapter

  • Run the ZKSync adapter with the same ZKVM (sp1 or risc0) as the Nexus server. The ZKVM for the adapter must match the one used by the Nexus server:
    • To run with default ports and ZKVM: 
      nexus_cli zksync --dev
    • To run with the default sp1 ZKVM: 
      nexus_cli zksync --app-id 100 --url http://127.0.0.1:3030 --dev sp1
    • To run with the risc0 ZKVM: 
      nexus_cli zksync --app-id 100 --url http://127.0.0.1:3030 --dev risc0

For mock proofs, the --dev flag is used; for real proofs, it must be omitted.

Important Note:

The ZKVM used by the ZKSync adapter must match the ZKVM used by the Nexus server for compatibility.