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221e6c9e2f
* Nimbus folder environment update details: * Integrated `CoreDbRef` for the sources in the `nimbus` sub-folder. * The `nimbus` program does not compile yet as it needs the updates in the parallel `stateless` sub-folder. * Stateless environment update details: * Integrated `CoreDbRef` for the sources in the `stateless` sub-folder. * The `nimbus` program compiles now. * Premix environment update details: * Integrated `CoreDbRef` for the sources in the `premix` sub-folder. * Fluffy environment update details: * Integrated `CoreDbRef` for the sources in the `fluffy` sub-folder. * Tools environment update details: * Integrated `CoreDbRef` for the sources in the `tools` sub-folder. * Nodocker environment update details: * Integrated `CoreDbRef` for the sources in the `hive_integration/nodocker` sub-folder. * Tests environment update details: * Integrated `CoreDbRef` for the sources in the `tests` sub-folder. * The unit tests compile and run cleanly now. * Generalise `CoreDbRef` to any `select_backend` supported database why: Generalisation was just missed due to overcoming some compiler oddity which was tied to rocksdb for testing. * Suppress compiler warning for `newChainDB()` why: Warning was added to this function which must be wrapped so that any `CatchableError` is re-raised as `Defect`. * Split off persistent `CoreDbRef` constructor into separate file why: This allows to compile a memory only database version without linking the backend library. * Use memory `CoreDbRef` database by default detail: Persistent DB constructor needs to import `db/core_db/persistent why: Most tests use memory DB anyway. This avoids linking `-lrocksdb` or any other backend by default. * fix `toLegacyBackend()` availability check why: got garbled after memory/persistent split. * Clarify raw access to MPT for snap sync handler why: Logically, `kvt` is not the raw access for the hexary trie (although this holds for the legacy database)
32 lines
1.0 KiB
Nim
32 lines
1.0 KiB
Nim
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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## This module automatically pulls in the persistent backend library at the
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## linking stage (e.g. `rocksdb`) which can be avoided for pure memory DB
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## applications by importing `db/code_db/memory_only` (rather than
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## `db/core_db/persistent`.)
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##
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{.push raises: [].}
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import
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"."/[memory_only, legacy_persistent]
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export
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memory_only
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proc newCoreDbRef*(dbType: static[CoreDbType]; path: string): CoreDbRef =
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## Constructor for persistent type DB
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##
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## Note: Using legacy notation `newCoreDbRef()` rather than
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## `CoreDbRef.init()` because of compiler coughing.
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when dbType == LegacyDbPersistent:
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newLegacyPersistentCoreDbRef path
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else:
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{.error: "Unsupported dbType for persistent newCoreDbRef()".}
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# End
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