Jacek Sieka 42bb640443
Simplify shared rocksdb instance / write batch handling (#3063)
By introducing the "shared rocksdb instance" concept to the backend, we
can remove the "piggybacking" mode , thus reducing the complexity of
database initialisation and opening the possibility of extending how
write batching works across kvt/aristo.

The change makes explicit the hidden shared state that was previously
hiding in closures and provides the first step towards simplifying the
"commit/persist" interface of coredb, preparing it for optimizations to
reduce the "layering tax" that `forked-layers` introduced.
2025-02-14 09:40:22 +01:00

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Nim

# nimbus-eth1
# Copyright (c) 2023-2025 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed
# except according to those terms.
type
KvtError* = enum
NothingSerious = 0
GenericError
GetNotFound
KeyInvalid
DataInvalid
# RocksDB backend
RdbBeCantCreateDataDir
RdbBeDelayedAlreadyRegistered
RdbBeDelayedLocked
RdbBeDelayedNotReady
RdbBeDriverDelError
RdbBeDriverGetError
RdbBeDriverInitError
RdbBeDriverPutError
RdbBeDriverWriteError
RdbBeHostError
RdbBeHostNotApplicable
# Filter management
FilBackendRoMode
FilSiblingsCommitUnfinshed
# Functions from `kvt_desc`
MustBeOnCentre
NotAllowedOnCentre
StaleDescriptor
# End