Adds a mapping function to L1 fetcher that takes in any L1 batch number and tries to find its corresponding L1 block number by using binary search on fetched logs.
Removes num_chunks argument. We now use the default chunk size of 1_000_000 to calculate how many chunks we need instead.
Fixes some smaller miscellaneous issues with the snapshots
num_chunksargument. We now use the default chunk size of1_000_000to calculate how many chunks we need instead.