AllowPostingBatchWithOnlyBatchPostingReport config #2657
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Resolves NIT-2720.
AllowPostingBatchWithOnlyBatchPostingReport config.
SequencerInbox contract adds a batch posting report to the delayed inbox after a batch is posted to the non delayed inbox.
When AllowPostingBatchWithOnlyBatchPostingReport is set to true, considering that no L2 transactions were created since the last posted batch, the sequencer will read the batch posting report from the delayed inbox and will post a batch only containing the report.
So setting AllowPostingBatchWithOnlyBatchPostingReport to true guarantees that a batch will be posted at least as frequently as batch the batch poster tries to create a batch.
This is going to be useful to avoid allowing validation being permissionless if there have been no assertions created within a 2 week period, behavior which is controlled by Nitro's contracts.