fix(op): receipts import, fix chunked read of file with optional block data #10577
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emhane
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Ref #10580
Receipts are exported by geth and erigon as lists of lists, where each list maps to a block number. If there are no receipts for some block, that is encoded as an empty list. Read of big receipt file in chunks, cannot assume an empty block at start of chunk is genesis block.
ReceiptFileClientw.r.t. previous chunk