Module disk_db

Provides low-level access to RocksDB using some database-specific types.

This module makes sure that:

• all disk writes happen inside a RocksDB transaction ([rocksdb::WriteBatch]), and
• format-specific invariants are maintained.

Correctness

crate::constants::state_database_format_version_in_code() must be incremented each time the database format (column, serialization, etc) changes.

Modules

• tests 🔒
  Tests and test methods for low-level RocksDB access.

Structs

• DiskDb
  Wrapper struct to ensure low-level database access goes through the correct API.
• DiskWriteBatch
  Wrapper struct to ensure low-level database writes go through the correct API.

Traits

• ReadDisk
  Helper trait for retrieving and deserializing values from rocksdb column families.
• WriteDisk
  Helper trait for inserting serialized typed (Key, Value) pairs into rocksdb.

Type Aliases

• DB
  The [rocksdb] database type, including thread mode.
• DBThreadMode
  The [rocksdb::ThreadMode] used by the database.