SstFile.parse.footer.verify: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/SstFile.bend as SstFile
Lines 1049-1063 of mylsm-lsm-store@0.6.0.1/src/SstFile.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/SstFile.bend&start_line=1049&end_line=1063

import Base
import mylsm-lsm-store@0.6.0.1/src/MemTable.bend as MemTable
import mylsm-lsm-store@0.6.0.1/src/Sstable.bend as Sstable
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 parse.footer.verify(
  cursor: Bytes.Cursor,
  claimed: Bytes.Bytes,
  +level: U32,
  +total: U32,
  +block_count: U32,
  entries: List<&2, MemTable.Entry>,
  hashes: List<&1, Bytes.Bytes>
) -> Result<&1, &1, Error, Sstable.Table>:
  match cursor:
    case Bytes.Cursor{bytes, +pos, _, +end}:
      expected = SHA.sha256_packed_bytes(Bytes.concat(
        header_bytes(level, total, block_count) <> List.reverse(&1, Bytes.Bytes, hashes)))
      parse.footer.check(level, entries, U32.is_eq(pos, end),
        Bytes.eq(claimed, expected))

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  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=Cursor
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=concat
  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=mylsm-lsm-store@0.6.0.1/src/MemTable.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/SstFile.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/SstFile.bend&name=header_bytes
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/SstFile.bend&name=parse.footer.check
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/Sstable.bend&name=Table
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/hub_sha/sha256.bend&name=sha256_packed_bytes