UnmarshalDepositLogEvent decodes an EVM log entry emitted by the deposit contract into typed deposit data.

DefaultFetchBlockRange is the number of blocks that we collect in a single eth_getLogs query.

DefaultLogProgressInterval is the frequency at which we log progress.

DefaultPollInterval is the frequency at which we query for new L1 messages.

MetricsSubsystem is a subsystem shared by all metrics exposed by this package.