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# Nimbus
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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 except
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# according to those terms.
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{.push raises: [].}
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import
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eth/common,
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../aristo,
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./backend/aristo_db
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import
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./core_apps_newapi as core_apps
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import
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./base except bless
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import
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./base_iterators
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export
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EmptyBlob,
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base,
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base_iterators,
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common,
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core_apps,
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# see `aristo_db`
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isAristo,
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toAristo,
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toAristoProfData,
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toAristoSavedStateBlockNumber,
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# Standard interface for calculating merkle hash signatures (see `aristo`)
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MerkleSignRef,
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merkleSignBegin,
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merkleSignAdd,
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merkleSignCommit,
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to
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# ------------------------------------------------------------------------------
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# Public constructors
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# ------------------------------------------------------------------------------
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proc newCoreDbRef*(
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dbType: static[CoreDbType]; # Database type symbol
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): CoreDbRef =
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## Constructor for volatile/memory 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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##
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when dbType == AristoDbMemory:
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newAristoMemoryCoreDbRef()
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elif dbType == AristoDbVoid:
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newAristoVoidCoreDbRef()
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else:
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Core db and aristo updates for destructor and tx logic (#1894)
* Disable `TransactionID` related functions from `state_db.nim`
why:
Functions `getCommittedStorage()` and `updateOriginalRoot()` from
the `state_db` module are nowhere used. The emulation of a legacy
`TransactionID` type functionality is administratively expensive to
provide by `Aristo` (the legacy DB version is only partially
implemented, anyway).
As there is no other place where `TransactionID`s are used, they will
not be provided by the `Aristo` variant of the `CoreDb`. For the
legacy DB API, nothing will change.
* Fix copyright headers in source code
* Get rid of compiler warning
* Update Aristo code, remove unused `merge()` variant, export `hashify()`
why:
Adapt to upcoming `CoreDb` wrapper
* Remove synced tx feature from `Aristo`
why:
+ This feature allowed to synchronise transaction methods like begin,
commit, and rollback for a group of descriptors.
+ The feature is over engineered and not needed for `CoreDb`, neither
is it complete (some convergence features missing.)
* Add debugging helpers to `Kvt`
also:
Update database iterator, add count variable yield argument similar
to `Aristo`.
* Provide optional destructors for `CoreDb` API
why;
For the upcoming Aristo wrapper, this allows to control when certain
smart destruction and update can take place. The auto destructor works
fine in general when the storage/cache strategy is known and acceptable
when creating descriptors.
* Add update option for `CoreDb` API function `hash()`
why;
The hash function is typically used to get the state root of the MPT.
Due to lazy hashing, this might be not available on the `Aristo` DB.
So the `update` function asks for re-hashing the gurrent state changes
if needed.
* Update API tracking log mode: `info` => `debug
* Use shared `Kvt` descriptor in new Ledger API
why:
No need to create a new descriptor all the time
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{.error: "Unsupported constructor " & $dbType & ".newCoreDbRef()".}
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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