Fixes https://github.com/ethereum/go-ethereum/issues/33907
Notably there is a behavioral change:
- Previously Geth will refuse to restart if the existing trienode
history is gapped with the state data
- With this PR, the gapped trienode history will be entirely reset and
being constructed from scratch
This implements a backing store for chain history based on era1 files.
The new store is integrated with the freezer. Queries for blocks and receipts
below the current freezer tail are handled by the era store.
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Co-authored-by: Gary Rong <garyrong0905@gmail.com>
Co-authored-by: Felix Lange <fjl@twurst.com>
Co-authored-by: lightclient <lightclient@protonmail.com>
