ByteBlockReader.block.checksum.valid.copies: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/scan/ByteBlockReader.bend as ByteBlockReader
Lines 139-148 of mylsm-lsm-store@0.6.0.1/src/scan/ByteBlockReader.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/ByteBlockReader.bend&start_line=139&end_line=148

import Base
import mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend as SHA
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

def block.checksum.valid.copies(
  copies: Bytes.Bytes & Bytes.Bytes,
  +payload_length: U32
) -> Bool:
  match copies:
    case (for_hash, for_checksum):
      block.checksum.compare(Bytes.eq(
        SHA.sha256_packed_bytes(bytes.slice.result(Bytes.slice(for_hash, 0,
          U32.add(8, payload_length)))), bytes.slice.result(Bytes.slice(
          for_checksum, U32.add(8, payload_length), 32))))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=eq
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=slice
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend&name=sha256_packed_bytes
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/ByteBlockReader.bend&name=block.checksum.compare
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/ByteBlockReader.bend&name=bytes.slice.result