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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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  • Endpoints
  • GET /status/block-height
  • GET /status/success-rate
  • GET /status/time-since-last-decide
  • GET /status/metrics
  1. API Reference
  2. Espresso API

Status API

Node-specific state and consensus metrics

PreviousEspresso APINextCatchup API

Last updated 11 months ago

This API provides insight into the inner workings of consensus. It is primarily useful to the operator of the node, as many of the metrics provided here make for useful .

Endpoints

GET /status/block-height

The last known block height of the chain.

Returns integer

GET /status/success-rate

The view success rate since genesis. This equals the number of views completed divided by the number of successful views, i.e. the block height.

Returns float

GET /status/time-since-last-decide

The elapsed time, in seconds, since consensus last decided on a block. Useful to alert when consensus is stalled or this node has been disconnected from consensus.

Returns integer

GET /status/metrics

Exposes all metrics recorded by consensus in Prometheus format.

alerts