def restore.block.header
import mylsm-lsm-store@0.6.0.1/src/transfer/Restore.bend as Restoreimport Base
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes
607def restore.block.header(
608 input: Bytes.Bytes,
609 +offset: Nat,
610 expected_index: U32
611) -> Result<&1, &1, Error, BlockHeader>:
612 restore.block.magic(Bytes.slice(input, U32.from_nat(offset), 4),
613 offset, expected_index)