mirror of
https://github.com/status-im/nimbus-eth1.git
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5a5cc6295e
* bump rockdb * Rename `KVT` objects related to filters according to `Aristo` naming details: filter* => delta* roFilter => balancer * Compulsory error handling if `persistent()` fails * Add return code to `reCentre()` why: Might eventually fail if re-centring is blocked. Some logic will be added in subsequent patch sets. * Add column families from earlier session to rocksdb in opening procedure why: All previously used CFs must be declared when re-opening an existing database. * Update `init()` and add rocksdb `reinit()` methods for changing parameters why: Opening a set column families (with different open options) must span at least the ones that are already on disk. * Provide write-trigger-event interface into `Aristo` backend why: This allows to save data from a guest application (think `KVT`) to get synced with the write cycle so the guest and `Aristo` save all atomically. * Use `KVT` with new column family interface from `Aristo` * Remove obsolete guest interface * Implement `KVT` piggyback on `Aristo` backend * CoreDb: Add separate `KVT`/`Aristo` backend mode for debugging * Remove `rocks_db` import from `persist()` function why: Some systems (i.p `fluffy` and friends) use the `Aristo` memory backend emulation and do not link against rocksdb when building the application. So this should fix that problem.
61 lines
1.8 KiB
Nim
61 lines
1.8 KiB
Nim
# nimbus-eth1
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# Copyright (c) 2023-2024 Status Research & Development GmbH
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# Licensed under either of
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# * 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
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# except according to those terms.
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## Rocks DB internal driver descriptor
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## ===================================
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{.push raises: [].}
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import
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std/os,
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../../kvt_desc,
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rocksdb
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type
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RdbInst* = object
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store*: KvtCfStore ## Rocks DB database handler
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session*: WriteBatchRef ## For batched `put()`
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basePath*: string ## Database directory
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delayedPersist*: KvtDbRef ## Enable next proggyback write session
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KvtCFs* = enum
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## Column family symbols/handles and names used on the database
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KvtGeneric = "KvtGen" ## Generic column family
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KvtCfStore* = array[KvtCFs,ColFamilyReadWrite]
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## List of column family handlers
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const
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BaseFolder* = "nimbus" ## Same as for Legacy DB
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DataFolder* = "kvt" ## Legacy DB has "data"
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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template logTxt*(info: static[string]): static[string] =
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"RocksDB/" & info
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func baseDir*(rdb: RdbInst): string =
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rdb.basePath / BaseFolder
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func dataDir*(rdb: RdbInst): string =
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rdb.baseDir / DataFolder
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template baseDb*(rdb: RdbInst): RocksDbReadWriteRef =
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rdb.store[KvtGeneric].db
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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