# Functions
NewDummySequencer creates a new DummySequencer.
NewMultiRollupSequencer creates a new MultiRollupSequencer.
NewTransactionQueue creates a new TransactionQueue.
# Variables
ErrInvalidRollupId is returned when the rollup id is invalid.
# Structs
DummySequencer is a dummy sequencer for testing that serves a single rollup.
MultiRollupSequencer is a sequencer for testing that serves multiple rollups.
RollupData holds the data for a specific rollup, including its transaction queue, last batch hash, and seen batches.
TransactionQueue is a queue of transactions.