567 lines
15 KiB
Nim
567 lines
15 KiB
Nim
# 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
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# distributed except according to those terms.
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## Aristo (aka Patricia) DB records transaction based merge test
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import
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std/[algorithm, bitops, sequtils, sets, tables],
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eth/common,
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results,
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unittest2,
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stew/endians2,
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../../nimbus/db/opts,
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../../nimbus/db/core_db/backend/aristo_rocksdb,
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../../nimbus/db/aristo/[
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aristo_check,
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aristo_debug,
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aristo_delete,
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aristo_desc,
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aristo_get,
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aristo_hike,
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aristo_init/persistent,
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aristo_layers,
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aristo_nearby,
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aristo_tx],
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../replay/xcheck,
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./test_helpers
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type
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PrngDesc = object
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prng: uint32 ## random state
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KnownHasherFailure* = seq[(string,(int,AristoError))]
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## (<sample-name> & "#" <instance>, (<vertex-id>,<error-symbol>))
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const
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MaxFilterBulk = 150_000
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## Policy settig for `pack()`
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testRootVid = VertexID(2)
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## Need to reconfigure for the test, root ID 1 cannot be deleted as a trie
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# ------------------------------------------------------------------------------
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# Private helpers
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# ------------------------------------------------------------------------------
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proc posixPrngRand(state: var uint32): byte =
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## POSIX.1-2001 example of a rand() implementation, see manual page rand(3).
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state = state * 1103515245 + 12345;
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let val = (state shr 16) and 32767 # mod 2^31
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(val shr 8).byte # Extract second byte
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proc rand[W: SomeInteger|VertexID](ap: var PrngDesc; T: type W): T =
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var a: array[sizeof T,byte]
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for n in 0 ..< sizeof T:
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a[n] = ap.prng.posixPrngRand().byte
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when sizeof(T) == 1:
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let w = uint8.fromBytesBE(a).T
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when sizeof(T) == 2:
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let w = uint16.fromBytesBE(a).T
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when sizeof(T) == 4:
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let w = uint32.fromBytesBE(a).T
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else:
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let w = uint64.fromBytesBE(a).T
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when T is SomeUnsignedInt:
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# That way, `fromBytesBE()` can be applied to `uint`
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result = w
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else:
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# That way the result is independent of endianness
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(addr result).copyMem(unsafeAddr w, sizeof w)
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proc init(T: type PrngDesc; seed: int): PrngDesc =
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result.prng = (seed and 0x7fffffff).uint32
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proc rand(td: var PrngDesc; top: int): int =
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if 0 < top:
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let mask = (1 shl (8 * sizeof(int) - top.countLeadingZeroBits)) - 1
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for _ in 0 ..< 100:
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let w = mask and td.rand(typeof(result))
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if w < top:
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return w
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raiseAssert "Not here (!)"
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# -----------------------
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proc randomisedLeafs(
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db: AristoDbRef;
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ltys: HashSet[LeafTie];
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td: var PrngDesc;
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): Result[seq[(LeafTie,RootedVertexID)],(VertexID,AristoError)] =
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var lvp: seq[(LeafTie,RootedVertexID)]
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for lty in ltys:
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let hike = lty.hikeUp(db).valueOr:
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return err((error[0],error[1]))
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lvp.add (lty,(hike.root, hike.legs[^1].wp.vid))
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var lvp2 = lvp.sorted(
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cmp = proc(a,b: (LeafTie,RootedVertexID)): int = cmp(a[0],b[0]))
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if 2 < lvp2.len:
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for n in 0 ..< lvp2.len-1:
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let r = n + td.rand(lvp2.len - n)
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lvp2[n].swap lvp2[r]
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ok lvp2
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proc innerCleanUp(db: var AristoDbRef): bool {.discardable.} =
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## Defer action
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if not db.isNil:
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let rx = db.txTop()
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if rx.isOk:
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let rc = rx.value.collapse(commit=false)
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xCheckRc rc.error == 0
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db.finish(eradicate=true)
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db = AristoDbRef(nil)
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proc schedStow(
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db: AristoDbRef; # Database
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): Result[void,AristoError] =
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## Scheduled storage
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let
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layersMeter = db.nLayersVtx() + db.nLayersKey()
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filterMeter = if db.balancer.isNil: 0
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else: db.balancer.sTab.len + db.balancer.kMap.len
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persistent = MaxFilterBulk < max(layersMeter, filterMeter)
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if persistent:
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db.persist()
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else:
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db.stow()
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proc saveToBackend(
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tx: var AristoTxRef;
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relax: bool;
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noisy: bool;
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debugID: int;
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): bool =
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var db = tx.to(AristoDbRef)
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# Verify context: nesting level must be 2 (i.e. two transactions)
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xCheck tx.level == 2
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block:
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let rc = db.checkTop()
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xCheckRc rc.error == (0,0)
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# Commit and hashify the current layer
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block:
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let rc = tx.commit()
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xCheckRc rc.error == 0
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block:
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let rc = db.txTop()
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xCheckRc rc.error == 0
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tx = rc.value
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# Verify context: nesting level must be 1 (i.e. one transaction)
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xCheck tx.level == 1
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block:
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let rc = db.checkBE()
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xCheckRc rc.error == (0,0)
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# Commit and save to backend
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block:
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let rc = tx.commit()
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xCheckRc rc.error == 0
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block:
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let rc = db.txTop()
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xCheckErr rc.value.level < 0 # force error
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block:
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let rc = db.schedStow()
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xCheckRc rc.error == 0
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block:
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let rc = db.checkBE()
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xCheckRc rc.error == (0,0):
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noisy.say "***", "saveToBackend (8)", " debugID=", debugID
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# Update layers to original level
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tx = db.txBegin().value.to(AristoDbRef).txBegin().value
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true
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proc saveToBackendWithOops(
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tx: var AristoTxRef;
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noisy: bool;
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debugID: int;
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oops: (int,AristoError);
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): bool =
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var db = tx.to(AristoDbRef)
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# Verify context: nesting level must be 2 (i.e. two transactions)
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xCheck tx.level == 2
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# Commit and hashify the current layer
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block:
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let rc = tx.commit()
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xCheckRc rc.error == 0
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block:
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let rc = db.txTop()
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xCheckRc rc.error == 0
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tx = rc.value
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# Verify context: nesting level must be 1 (i.e. one transaction)
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xCheck tx.level == 1
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# Commit and save to backend
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block:
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let rc = tx.commit()
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xCheckRc rc.error == 0
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block:
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let rc = db.txTop()
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xCheckErr rc.value.level < 0 # force error
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block:
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let rc = db.schedStow()
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xCheckRc rc.error == 0:
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noisy.say "***", "saveToBackendWithOops(8)",
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" debugID=", debugID,
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"\n db\n ", db.pp(backendOk=true),
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""
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# Update layers to original level
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tx = db.txBegin().value.to(AristoDbRef).txBegin().value
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true
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proc fwdWalkVerify(
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db: AristoDbRef;
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root: VertexID;
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leftOver: HashSet[LeafTie];
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noisy: bool;
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debugID: int;
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): bool =
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let
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nLeafs = leftOver.len
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var
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leftOver = leftOver
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last = LeafTie()
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n = 0
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for (key,_) in db.rightPairs low(LeafTie,root):
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xCheck key in leftOver:
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noisy.say "*** fwdWalkVerify", "id=", n + (nLeafs + 1) * debugID
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leftOver.excl key
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last = key
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n.inc
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# Verify stop condition
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if last.root == VertexID(0):
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last = low(LeafTie,root)
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elif last != high(LeafTie,root):
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last = last.next
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let rc = last.right db
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xCheck rc.isErr
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xCheck rc.error[1] == NearbyBeyondRange
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xCheck n == nLeafs
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true
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proc revWalkVerify(
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db: AristoDbRef;
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root: VertexID;
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leftOver: HashSet[LeafTie];
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noisy: bool;
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debugID: int;
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): bool =
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let
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nLeafs = leftOver.len
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var
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leftOver = leftOver
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last = LeafTie()
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n = 0
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for (key,_) in db.leftPairs high(LeafTie,root):
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xCheck key in leftOver:
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noisy.say "*** revWalkVerify", " id=", n + (nLeafs + 1) * debugID
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leftOver.excl key
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last = key
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n.inc
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# Verify stop condition
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if last.root == VertexID(0):
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last = high(LeafTie,root)
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elif last != low(LeafTie,root):
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last = last.prev
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let rc = last.left db
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xCheck rc.isErr
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xCheck rc.error[1] == NearbyBeyondRange
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xCheck n == nLeafs
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true
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# ------------------------------------------------------------------------------
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# Public test function
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# ------------------------------------------------------------------------------
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proc testTxMergeAndDeleteOneByOne*(
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noisy: bool;
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list: openArray[ProofTrieData];
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rdbPath: string; # Rocks DB storage directory
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): bool =
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var
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prng = PrngDesc.init 42
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db = AristoDbRef(nil)
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fwdRevVfyToggle = true
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defer:
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if not db.isNil:
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db.finish(eradicate=true)
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for n,w in list:
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# Start with brand new persistent database.
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db = block:
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if 0 < rdbPath.len:
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let (dbOpts, cfOpts) = DbOptions.init().toRocksDb()
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let rc = AristoDbRef.init(RdbBackendRef, rdbPath, dbOpts, cfOpts, [])
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xCheckRc rc.error == 0
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rc.value()[0]
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else:
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AristoDbRef.init(MemBackendRef)
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# Start transaction (double frame for testing)
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xCheck db.txTop.isErr
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var tx = db.txBegin().value.to(AristoDbRef).txBegin().value
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xCheck tx.isTop()
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xCheck tx.level == 2
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# Reset database so that the next round has a clean setup
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defer: db.innerCleanUp
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# Merge leaf data into main trie
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let kvpLeafs = block:
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var lst = w.kvpLst.mapRootVid testRootVid
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# The list might be reduced for isolation of particular properties,
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# e.g. lst.setLen(min(5,lst.len))
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lst
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for i,leaf in kvpLeafs:
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let rc = db.mergeGenericData leaf
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xCheckRc rc.error == 0
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# List of all leaf entries that should be on the database
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var leafsLeft = kvpLeafs.mapIt(it.leafTie).toHashSet
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# Provide a (reproducible) peudo-random copy of the leafs list
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let leafVidPairs = block:
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let rc = db.randomisedLeafs(leafsLeft, prng)
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xCheckRc rc.error == (0,0)
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rc.value
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# Trigger subsequent saving tasks in loop below
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let (saveMod, saveRest, relax) = block:
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if leafVidPairs.len < 17: (7, 3, false)
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elif leafVidPairs.len < 31: (11, 7, false)
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else: (leafVidPairs.len div 5, 11, true)
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# === Loop over leafs ===
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for u,lvp in leafVidPairs:
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let
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runID = n + list.len * u
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tailWalkVerify = 7 # + 999
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doSaveBeOk = ((u mod saveMod) == saveRest)
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(leaf, lid) = lvp
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if doSaveBeOk:
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let saveBeOk = tx.saveToBackend(relax=relax, noisy=noisy, runID)
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xCheck saveBeOk:
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noisy.say "***", "del1by1(2)",
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" u=", u,
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" n=", n, "/", list.len,
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"\n db\n ", db.pp(backendOk=true),
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""
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# Delete leaf
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block:
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let rc = db.deleteGenericData(leaf.root, @(leaf.path))
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xCheckRc rc.error == 0
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# Update list of remaininf leafs
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leafsLeft.excl leaf
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let deletedVtx = tx.db.getVtx lid
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xCheck deletedVtx.isValid == false:
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noisy.say "***", "del1by1(8)"
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# Walking the database is too slow for large tables. So the hope is that
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# potential errors will not go away and rather pop up later, as well.
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if leafsLeft.len <= tailWalkVerify:
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if u < leafVidPairs.len-1:
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if fwdRevVfyToggle:
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fwdRevVfyToggle = false
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if not db.fwdWalkVerify(leaf.root, leafsLeft, noisy, runID):
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return
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else:
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fwdRevVfyToggle = true
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if not db.revWalkVerify(leaf.root, leafsLeft, noisy, runID):
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return
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when true and false:
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noisy.say "***", "del1by1(9)",
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" n=", n, "/", list.len,
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" nLeafs=", kvpLeafs.len
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true
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proc testTxMergeAndDeleteSubTree*(
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noisy: bool;
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list: openArray[ProofTrieData];
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rdbPath: string; # Rocks DB storage directory
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): bool =
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var
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prng = PrngDesc.init 42
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db = AristoDbRef(nil)
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defer:
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if not db.isNil:
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db.finish(eradicate=true)
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for n,w in list:
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# Start with brand new persistent database.
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db = block:
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if 0 < rdbPath.len:
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let (dbOpts, cfOpts) = DbOptions.init().toRocksDb()
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let rc = AristoDbRef.init(RdbBackendRef, rdbPath, dbOpts, cfOpts, [])
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xCheckRc rc.error == 0
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rc.value()[0]
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else:
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AristoDbRef.init(MemBackendRef)
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# Start transaction (double frame for testing)
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xCheck db.txTop.isErr
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var tx = db.txBegin().value.to(AristoDbRef).txBegin().value
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xCheck tx.isTop()
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xCheck tx.level == 2
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# Reset database so that the next round has a clean setup
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defer: db.innerCleanUp
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# Merge leaf data into main trie (w/vertex ID 2)
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let kvpLeafs = block:
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var lst = w.kvpLst.mapRootVid testRootVid
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# The list might be reduced for isolation of particular properties,
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# e.g. lst.setLen(min(5,lst.len))
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lst
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for i,leaf in kvpLeafs:
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let rc = db.mergeGenericData leaf
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xCheckRc rc.error == 0
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# List of all leaf entries that should be on the database
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var leafsLeft = kvpLeafs.mapIt(it.leafTie).toHashSet
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# Provide a (reproducible) peudo-random copy of the leafs list
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let leafVidPairs = block:
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let rc = db.randomisedLeafs(leafsLeft, prng)
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xCheckRc rc.error == (0,0)
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rc.value
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discard leafVidPairs
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# === delete sub-tree ===
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block:
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let saveBeOk = tx.saveToBackend(relax=false, noisy=noisy, 1+list.len*n)
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xCheck saveBeOk:
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noisy.say "***", "del(1)",
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" n=", n, "/", list.len,
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"\n db\n ", db.pp(backendOk=true),
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""
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# Delete sub-tree
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block:
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let rc = db.deleteGenericTree testRootVid
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xCheckRc rc.error == 0:
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noisy.say "***", "del(2)",
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" n=", n, "/", list.len,
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"\n db\n ", db.pp(backendOk=true),
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""
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block:
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let saveBeOk = tx.saveToBackend(relax=false, noisy=noisy, 2+list.len*n)
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xCheck saveBeOk:
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noisy.say "***", "del(3)",
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" n=", n, "/", list.len,
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"\n db\n ", db.pp(backendOk=true),
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""
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when true and false:
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noisy.say "***", "del(9) n=", n, "/", list.len, " nLeafs=", kvpLeafs.len
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true
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proc testTxMergeProofAndKvpList*(
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noisy: bool;
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list: openArray[ProofTrieData];
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rdbPath: string; # Rocks DB storage directory
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resetDb = false;
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idPfx = "";
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oops: KnownHasherFailure = @[];
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): bool =
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let
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oopsTab = oops.toTable
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var
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db = AristoDbRef(nil)
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tx = AristoTxRef(nil)
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rootKey: Hash256
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count = 0
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defer:
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if not db.isNil:
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db.finish(eradicate=true)
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for n,w in list:
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# Start new database upon request
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if resetDb or w.root != rootKey or w.proof.len == 0:
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db.innerCleanUp
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db = block:
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# New DB with disabled filter slots management
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if 0 < rdbPath.len:
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let (dbOpts, cfOpts) = DbOptions.init().toRocksDb()
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let rc = AristoDbRef.init(RdbBackendRef, rdbPath, dbOpts, cfOpts, [])
|
|
xCheckRc rc.error == 0
|
|
rc.value()[0]
|
|
else:
|
|
AristoDbRef.init(MemBackendRef)
|
|
|
|
# Start transaction (double frame for testing)
|
|
tx = db.txBegin().value.to(AristoDbRef).txBegin().value
|
|
xCheck tx.isTop()
|
|
|
|
# Update root
|
|
rootKey = w.root
|
|
count = 0
|
|
count.inc
|
|
|
|
let
|
|
testId = idPfx & "#" & $w.id & "." & $n
|
|
runID = n
|
|
sTabLen = db.nLayersVtx()
|
|
leafs = w.kvpLst.mapRootVid testRootVid # merge into main trie
|
|
|
|
# var lst = w.kvpLst.mapRootVid testRootVid
|
|
|
|
|
|
let merged = db.mergeList leafs
|
|
xCheck merged.error in {AristoError(0), MergeLeafPathCachedAlready}
|
|
xCheck merged.merged + merged.dups == leafs.len
|
|
|
|
block:
|
|
let
|
|
oops = oopsTab.getOrDefault(testId,(0,AristoError(0)))
|
|
saveBeOk = tx.saveToBackendWithOops(noisy=noisy, debugID=runID, oops)
|
|
xCheck saveBeOk
|
|
|
|
when true and false:
|
|
noisy.say "***", "testTxMergeProofAndKvpList (9)",
|
|
" <", n, "/", list.len-1, ">",
|
|
" runID=", runID,
|
|
" groups=", count, " merged=", merged
|
|
|
|
true
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# End
|
|
# ------------------------------------------------------------------------------
|