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  • INTRODUCTION
  • LEARN
    • Espresso in the Modular Stack
    • The Espresso Network
      • System Overview
      • Properties of HotShot
        • EspressoDA
          • How It Works
      • Interfaces
        • Espresso ↔ Rollup
        • Espresso ↔ L1
        • Rollup ↔ L1
      • Internal Functionality
        • Espresso Node
        • Light Client Contract
        • Fee Token Contract
        • Stake Table
          • How the Stake Table Contract Works
        • Smart Contract Upgradeability
    • Rollup Stacks
      • Integrating a ZK Rollup
        • ZK Rollup Architecture
        • Using Espresso
        • Summary of Changes
      • Integrating an Optimistic Rollup
        • Optimistic Rollup Architecture
        • Using Espresso
        • Summary of Changes
  • Guides
    • Using the Espresso Network
      • Integrating Arbitrum Orbit Chain
        • Quickstart with Arbitrum Nitro Rollups
        • Reading Confirmations from the Espresso Network
        • Arbitrum Nitro Integration Overview
          • Using TEE with Nitro
          • Arbitrum Nitro Trust & Liveness Dependencies
        • Migrating Arbitrum Orbit Chains to Espresso
          • Arbitrum Testnet
            • Nitro Testnet
            • Local Deployment (`docker compose`)
      • Using the Espresso Network as a Cartesi application
    • Running an Espresso Node
    • Running a Builder
    • Bridging with the Espresso Network
  • API Reference
    • Espresso API
      • Status API
      • Catchup API
      • Availability API
      • Node API
      • State API
      • Events API
      • Submit API
    • Builder API
  • Releases
    • Mainnet 1
      • Running a Mainnet 1 Node
      • Contracts
      • Rollup Migration Guide
    • Mainnet 0
      • Running a Mainnet 0 Node
      • Contracts
    • Testnets
      • Decaf Testnet Release
        • Running a Node
        • Contracts
      • Cappuccino Testnet Release
        • Running a Node
        • Deploying a Rollup on Cappuccino
        • Benchmarks
      • Gibraltar Testnet Release
        • Interacting with Gibraltar
        • Arbitrum Nitro integration
        • Deploying a Rollup on Gibraltar
      • Cortado Testnet Release
        • Interacting with Cortado
        • OP Stack Integration
          • Optimism Leader Election RFP
      • Doppio Testnet Release
        • Interacting with Doppio
        • Polygon zkEVM Stack Integration
        • Minimal Rollup Example
        • Benchmarks
      • Americano Testnet Release
  • Appendix
    • Interacting with L1
      • Trustless Sync
      • Fork Recovery
      • Bridging
    • Glossary of Key Terms
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  3. Cortado Testnet Release
  4. OP Stack Integration

Optimism Leader Election RFP

PreviousOP Stack IntegrationNextDoppio Testnet Release

Last updated 11 months ago

The OP-Espresso integration is a result of our work on Optimism's of a leader election proof-of-concept against the OP Stack.

On 1 June 2023, Optimism solicited proposals for this RFP, with submitted proposals due June 28. to the RFP divided the project into several tasks:

  • T5: basic testing

Several non-required extras were added as stretch tasks T6-T10:

Espresso's proposal was , and with the Cortado release, we have completed, or are about to complete, the specified tasks for the minimum viable fulfillment of the RFP. Further details and updates can be found in the .

request for proposals
Espresso Systems' proposal
T1: contract interface
T2: basic PoC contract
T3: batch submission updates
T4: derivation pipeline updates
T6: batch inbox address in system config
T7: specification of a fee address set by sequencer
T8: hardfork flag
T9: alternative contract implementing interface
T10: documentation
selected
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