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
2023-11-16 19:35:03 +00:00
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# Nimbus
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2024-03-05 04:54:42 +00:00
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# Copyright (c) 2022-2024 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
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# distributed except according to those terms.
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## Snap sync components tester and TDD environment
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import
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eth/[common, p2p],
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unittest2,
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../../nimbus/db/core_db,
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../../nimbus/sync/snap/range_desc,
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../../nimbus/sync/snap/worker/db/[snapdb_desc, snapdb_pivot]
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2023-02-14 20:27:17 +00:00
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when defined(windows):
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import std/os
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# ------------------------------------------------------------------------------
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# Public test function
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# ------------------------------------------------------------------------------
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proc test_pivotStoreRead*(
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accKeys: seq[NodeKey];
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cdb: CoreDbRef;
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) =
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## Storing/retrieving items on persistent pivot/checkpoint registry
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let
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dbBase = SnapDbRef.init(cdb)
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processed = @[(1.to(NodeTag),2.to(NodeTag)),
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(4.to(NodeTag),5.to(NodeTag)),
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(6.to(NodeTag),7.to(NodeTag))]
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slotAccounts = seq[NodeKey].default
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for n in 0 ..< accKeys.len:
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let w = accKeys[n]
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check dbBase.pivotSaveDB(
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SnapDbPivotRegistry(
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header: BlockHeader(stateRoot: w.to(Hash256)),
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nAccounts: n.uint64,
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nSlotLists: n.uint64,
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processed: processed,
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slotAccounts: slotAccounts)).isOk
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when defined(windows):
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# There might be a race condition on Windows (seen on qemu/win7)
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sleep(50)
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# verify latest state root
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block:
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let rc = dbBase.pivotRecoverDB()
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check rc.isOk
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if rc.isOk:
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check rc.value.nAccounts == n.uint64
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check rc.value.nSlotLists == n.uint64
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check rc.value.processed == processed
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# Stop gossiping (happens whith corrupted database)
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if rc.value.nAccounts != n.uint64 or
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rc.value.nSlotLists != n.uint64 or
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rc.value.processed != processed:
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return
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for n in 0 ..< accKeys.len:
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let w = accKeys[n]
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block:
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let rc = dbBase.pivotRecoverDB(w)
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check rc.isOk
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if rc.isOk:
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check rc.value.nAccounts == n.uint64
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check rc.value.nSlotLists == n.uint64
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# Update record in place
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check dbBase.pivotSaveDB(
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SnapDbPivotRegistry(
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header: BlockHeader(stateRoot: w.to(Hash256)),
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nAccounts: n.uint64,
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nSlotLists: 0,
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processed: @[],
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slotAccounts: @[])).isOk
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2023-02-14 20:27:17 +00:00
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when defined(windows):
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# There might be a race condition on Windows (seen on qemu/win7)
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sleep(50)
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2023-01-23 16:09:12 +00:00
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block:
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let rc = dbBase.pivotRecoverDB(w)
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check rc.isOk
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if rc.isOk:
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check rc.value.nAccounts == n.uint64
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check rc.value.nSlotLists == 0
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check rc.value.processed == seq[(NodeTag,NodeTag)].default
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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