Layer 2 Interactions
This section explores how sequencer node interacts with Laïka's smart contracts. It focuses on functionalities crucial for sequencers to process and submit L2 transactions efficiently.
↝ Communication with Smart Contracts
Sequencer node interacts with Laïka's smart contracts using a secure communication channel . Here's an overview of the interaction process:
Sequencer Client: Sequencer node connects to Laïka's L2 contracts.
Contract Interaction Methods: The sequencer client utilizes functions exposed by relevant L2 contracts (e.g., Sequencer contract, Fee contract). These functions allow sequencers to perform actions like:
Submitting batches of L2 transactions.
Withdrawing earned fees (subject to specific fee distribution mechanisms).
Interacting with dispute resolution mechanisms (if applicable).
↝ L2 Transaction Processing
Sequencers play a vital role in facilitating L2 transactions on Laïka. Here's a breakdown of their workflow:
Transaction Pool: The sequencer maintains a pool of L2 transactions submitted by users on the Laïka network.
Transaction Validation: Sequencer node performs basic validation checks on transactions before including them in a batch. This involves verifying signatures, ensuring sufficient user balances, and adhering to Laïka's transaction format.
Batch Creation: The sequencer efficiently aggregates validated L2 transactions into batches to optimize gas consumption during interaction with L1 smart contracts.
↝ Submitting Sequencer Packages
Once L2 transactions are batched, the sequencer prepares and submits a sequencer package to Laïka's L2 contracts:
Package Preparation: The sequencer package includes the batched L2 transactions, along with the corresponding Proofs for data availability verification. You can refer to the previous section (Layer 1 Interaction) for details on proofs.
Smart Contract Interaction: The sequencer submits the sequencer package to the designated Laïka smart contract . This allows validators on the L2 network to access the batched transactions and verify their inclusion through the provided proof.
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