Terminology & Versions

Comprehensive document explaining how the components are connected in a modular manner to achieve a generalist stack that can be integrated by different applications.

Sequencer Client 1.0 — Current

Off-Chain Components (Rust)

• Node Client Interface: Connects to and reads data from underlying node clients (e.g., reth).

• Event Listener Service: Monitors integrated chains for incoming transactions and submitted batches.

• Transaction Manager Service: Manages the lifecycle of individual transactions.

• Block Execution Security Service: Provides protection against reorgs.

• Batch Manager: Sequences transactions into batches within a 15-second window.

• Prover Service: Interfaces with the Bonsai/Boundless network to request proofs.

• Lane Manager: A security service that manages transaction flow with a volume tracker and lane selector.

• Sequencer Database: Stores a history of all relevant on-chain events.

On-Chain Components (Solidity)

• BatchSubmitter.sol: Submits and executes transactions in the correct sequence on the destination chain.

• GasFeeManager.sol: Dynamically adjusts cross-chain submission gas prices.

Sequencer Client 2.0 — Future

Off-Chain Components (Rust)

• Dynamic Batch Manager: Optimizes Batches for gas costs and latency delivery, proof generation optimizer, Dynamic Sequencer Fee market

• Dynamic Lane Manager: Adjusts and moves transactions between lanes as volume frees up on market

• Threat Responder: Leverages security monitoring tools to dynamically prevent critical

  • Dynamic Chain Kill Switch (Temporary or permanent)

  • Blob Monitoring on ETH Mainnet for trustless finalization

  • Inflow/Outflow reset trigger

  • Action temporary pause (mints/repays/borrows/withdraws)

• On-Server Monitoring Agent: To monitor system health, uptime, and API latency

• Liquidity Monitoring Tool: Monitors pool liquidity before execution to optimize gas consumption

On-Chain Components (Solidity)

• BatchSubmitter.sol v2: Selects TXs with an array from batch to be executed

Sequencer 3.0 — Future

• Future improvements

  • Pre-confirms: ZK-STARK based TX execution acting as pre-confirms secured by EigenLayer Actively Validated Services

  • Stateless Account Management System with Merkle-trees: Apps can directly maintain accounting in a stateless manner leveraging the power of ZK