2023-07-05 13:50:11 +00:00
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# Nimbus - Types, data structures and shared utilities used in network sync
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#
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# Copyright (c) 2018-2021 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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2023-08-17 13:42:01 +00:00
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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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../../nimbus/db/aristo/[
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aristo_check, aristo_delete, aristo_desc, aristo_get, aristo_merge],
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../../nimbus/db/[aristo, aristo/aristo_init/persistent],
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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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2023-08-10 20:01:28 +00:00
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2023-07-12 23:03:14 +00:00
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WalkStopRc =
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Result[LeafTie,(VertexID,AristoError)].err((VertexID(0),NearbyBeyondRange))
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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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td: var PrngDesc;
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): seq[(LeafTie,VertexID)] =
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result = db.top.lTab.pairs.toSeq.filterIt(it[1].isvalid).sorted(
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cmp = proc(a,b: (LeafTie,VertexID)): int = cmp(a[0], b[0]))
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if 2 < result.len:
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for n in 0 ..< result.len-1:
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let r = n + td.rand(result.len - n)
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result[n].swap result[r]
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proc innerCleanUp(db: AristoDbRef) =
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## Defer action
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let rc = db.txTop()
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if rc.isOk:
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let rx = rc.value.collapse(commit=false)
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if rx.isErr:
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check rx.error == (0,0)
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db.finish(flush=true)
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proc saveToBackend(
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tx: var AristoTxRef;
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chunkedMpt: bool;
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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 1 (i.e. two transactions)
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block:
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block:
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let level = tx.level
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if level != 2:
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check level == 2
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return
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block:
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let rc = db.checkCache(relax=true)
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if rc.isErr:
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check rc.error == (0,0)
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return
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2023-08-07 17:45:23 +00:00
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# Commit and hashify the current layer
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block:
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block:
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let rc = tx.commit()
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if rc.isErr:
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check rc.error == (0,0)
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return
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block:
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# Make sure MPT hashes are OK
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if db.top.dirty:
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check db.top.dirty == false
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return
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block:
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let rc = db.txTop()
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if rc.isErr:
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check rc.error == 0
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return
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tx = rc.value
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let level = tx.level
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if level != 1:
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check level == 1
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return
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block:
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let rc = db.checkBE(relax=true)
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if rc.isErr:
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check rc.error == (0,0)
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return
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# Commit and save to backend
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block:
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block:
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let rc = tx.commit()
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if rc.isErr:
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check rc.error == (0,0)
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return
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block:
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# Make sure MPT hashes are OK
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if db.top.dirty:
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check db.top.dirty == false
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return
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block:
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let rc = db.txTop()
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if rc.isOk:
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check rc.value.level < 0 # force error
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return
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block:
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let rc = db.stow(stageLimit=MaxFilterBulk, chunkedMpt=chunkedMpt)
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if rc.isErr:
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check rc.error == (0,0)
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return
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block:
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let rc = db.checkBE(relax=relax)
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if rc.isErr:
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check rc.error == (0,0)
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return
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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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chunkedMpt: bool;
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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 1 (i.e. two transactions)
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block:
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block:
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let level = tx.level
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if level != 2:
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check level == 2
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return
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# Commit and hashify the current layer
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block:
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block:
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let rc = tx.commit()
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if rc.isErr:
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check rc.error == (0,0)
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return
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block:
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# Make sure MPT hashes are OK
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if db.top.dirty:
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check db.top.dirty == false
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return
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block:
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let rc = db.txTop()
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if rc.isErr:
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check rc.error == 0
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return
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tx = rc.value
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let level = tx.level
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if level != 1:
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check level == 1
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return
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# Commit and save to backend
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block:
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block:
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let rc = tx.commit()
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if rc.isErr:
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check rc.error == (0,0)
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return
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block:
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# Make sure MPT hashes are OK
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if db.top.dirty:
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check db.top.dirty == false
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return
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block:
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let rc = db.txTop()
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if rc.isOk:
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check rc.value.level < 0
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return
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block:
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let rc = db.stow(stageLimit=MaxFilterBulk, chunkedMpt=chunkedMpt)
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if rc.isErr:
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check rc.error == (0,0)
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return
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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.right low(LeafTie,root):
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if key notin leftOver:
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noisy.say "*** fwdWalkVerify", " id=", n + (nLeafs + 1) * debugID
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check key in leftOver
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return
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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 + 1
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let rc = last.right db
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if rc.isOk or rc.error[1] != NearbyBeyondRange:
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check rc == WalkStopRc
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return
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if n != nLeafs:
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check n == nLeafs
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return
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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.left high(LeafTie,root):
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if key notin leftOver:
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noisy.say "*** revWalkVerify", " id=", n + (nLeafs + 1) * debugID
|
|
|
|
check key in leftOver
|
2023-07-05 13:50:11 +00:00
|
|
|
return
|
2023-07-12 23:03:14 +00:00
|
|
|
leftOver.excl key
|
|
|
|
last = key
|
|
|
|
n.inc
|
2023-07-05 13:50:11 +00:00
|
|
|
|
2023-07-12 23:03:14 +00:00
|
|
|
# Verify stop condition
|
|
|
|
if last.root == VertexID(0):
|
|
|
|
last = high(LeafTie,root)
|
|
|
|
elif last != low(LeafTie,root):
|
|
|
|
last = last - 1
|
2023-08-07 17:45:23 +00:00
|
|
|
let rc = last.left db
|
2023-07-12 23:03:14 +00:00
|
|
|
if rc.isOk or rc.error[1] != NearbyBeyondRange:
|
|
|
|
check rc == WalkStopRc
|
|
|
|
return
|
2023-07-05 13:50:11 +00:00
|
|
|
|
2023-07-12 23:03:14 +00:00
|
|
|
if n != nLeafs:
|
|
|
|
check n == nLeafs
|
|
|
|
return
|
2023-07-05 13:50:11 +00:00
|
|
|
|
2023-07-12 23:03:14 +00:00
|
|
|
true
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
# Public test function
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
proc testTxMergeAndDelete*(
|
|
|
|
noisy: bool;
|
|
|
|
list: openArray[ProofTrieData];
|
|
|
|
rdbPath: string; # Rocks DB storage directory
|
|
|
|
): bool =
|
|
|
|
var
|
|
|
|
prng = PrngDesc.init 42
|
|
|
|
db = AristoDbRef()
|
|
|
|
fwdRevVfyToggle = true
|
|
|
|
defer:
|
|
|
|
db.finish(flush=true)
|
|
|
|
|
|
|
|
for n,w in list:
|
|
|
|
# Start with brand new persistent database.
|
|
|
|
db = block:
|
2023-08-07 17:45:23 +00:00
|
|
|
let rc = newAristoDbRef(BackendRocksDB,rdbPath)
|
2023-07-05 13:50:11 +00:00
|
|
|
if rc.isErr:
|
|
|
|
check rc.error == 0
|
|
|
|
return
|
|
|
|
rc.value
|
|
|
|
|
|
|
|
# Start transaction (double frame for testing)
|
2023-08-07 17:45:23 +00:00
|
|
|
check db.txTop.isErr
|
2023-08-11 17:23:57 +00:00
|
|
|
var tx = db.txBegin().value.to(AristoDbRef).txBegin().value
|
2023-08-07 17:45:23 +00:00
|
|
|
check tx.isTop()
|
2023-08-11 17:23:57 +00:00
|
|
|
check tx.level == 2
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
# Reset database so that the next round has a clean setup
|
2023-08-07 17:45:23 +00:00
|
|
|
defer: db.innerCleanUp
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
# Merge leaf data into main trie (w/vertex ID 1)
|
|
|
|
let kvpLeafs = w.kvpLst.mapRootVid VertexID(1)
|
|
|
|
for leaf in kvpLeafs:
|
2023-08-07 17:45:23 +00:00
|
|
|
let rc = db.merge leaf
|
2023-07-05 13:50:11 +00:00
|
|
|
if rc.isErr:
|
|
|
|
check rc.error == 0
|
|
|
|
return
|
|
|
|
|
|
|
|
# List of all leaf entries that should be on the database
|
|
|
|
var leafsLeft = kvpLeafs.mapIt(it.leafTie).toHashSet
|
|
|
|
|
|
|
|
# Provide a (reproducible) peudo-random copy of the leafs list
|
2023-08-07 17:45:23 +00:00
|
|
|
let leafVidPairs = db.randomisedLeafs prng
|
2023-07-05 13:50:11 +00:00
|
|
|
if leafVidPairs.len != leafsLeft.len:
|
|
|
|
check leafVidPairs.len == leafsLeft.len
|
|
|
|
return
|
|
|
|
|
|
|
|
# Trigger subsequent saving tasks in loop below
|
|
|
|
let (saveMod, saveRest, relax) = block:
|
|
|
|
if leafVidPairs.len < 17: (7, 3, false)
|
|
|
|
elif leafVidPairs.len < 31: (11, 7, false)
|
|
|
|
else: (leafVidPairs.len div 5, 11, true)
|
|
|
|
|
|
|
|
# === Loop over leafs ===
|
|
|
|
for u,lvp in leafVidPairs:
|
|
|
|
let
|
|
|
|
runID = n + list.len * u
|
|
|
|
tailWalkVerify = 7 # + 999
|
|
|
|
doSaveBeOk = ((u mod saveMod) == saveRest)
|
|
|
|
(leaf, lid) = lvp
|
|
|
|
|
|
|
|
if doSaveBeOk:
|
2023-08-10 20:01:28 +00:00
|
|
|
if not tx.saveToBackend(
|
2023-08-11 17:23:57 +00:00
|
|
|
chunkedMpt=false, relax=relax, noisy=noisy, runID):
|
2023-07-05 13:50:11 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
# Delete leaf
|
2023-08-07 17:45:23 +00:00
|
|
|
let rc = db.delete leaf
|
2023-07-05 13:50:11 +00:00
|
|
|
if rc.isErr:
|
|
|
|
check rc.error == (0,0)
|
|
|
|
return
|
|
|
|
|
|
|
|
# Update list of remaininf leafs
|
|
|
|
leafsLeft.excl leaf
|
|
|
|
|
|
|
|
let deletedVtx = tx.db.getVtx lid
|
|
|
|
if deletedVtx.isValid:
|
|
|
|
check deletedVtx.isValid == false
|
|
|
|
return
|
|
|
|
|
|
|
|
# Walking the database is too slow for large tables. So the hope is that
|
|
|
|
# potential errors will not go away and rather pop up later, as well.
|
|
|
|
if leafsLeft.len <= tailWalkVerify:
|
|
|
|
if u < leafVidPairs.len-1:
|
|
|
|
if fwdRevVfyToggle:
|
|
|
|
fwdRevVfyToggle = false
|
2023-08-07 17:45:23 +00:00
|
|
|
if not db.fwdWalkVerify(leaf.root, leafsLeft, noisy, runID):
|
2023-07-05 13:50:11 +00:00
|
|
|
return
|
|
|
|
else:
|
|
|
|
fwdRevVfyToggle = true
|
2023-08-07 17:45:23 +00:00
|
|
|
if not db.revWalkVerify(leaf.root, leafsLeft, noisy, runID):
|
2023-07-05 13:50:11 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
when true and false:
|
|
|
|
noisy.say "***", "del(9) n=", n, "/", list.len, " nLeafs=", kvpLeafs.len
|
|
|
|
|
|
|
|
true
|
|
|
|
|
|
|
|
|
|
|
|
proc testTxMergeProofAndKvpList*(
|
|
|
|
noisy: bool;
|
|
|
|
list: openArray[ProofTrieData];
|
|
|
|
rdbPath: string; # Rocks DB storage directory
|
|
|
|
resetDb = false;
|
|
|
|
idPfx = "";
|
|
|
|
oops: KnownHasherFailure = @[];
|
|
|
|
): bool =
|
|
|
|
let
|
|
|
|
oopsTab = oops.toTable
|
|
|
|
var
|
2023-08-07 17:45:23 +00:00
|
|
|
db = AristoDbRef()
|
|
|
|
tx = AristoTxRef(nil)
|
2023-07-05 13:50:11 +00:00
|
|
|
rootKey: HashKey
|
|
|
|
count = 0
|
|
|
|
defer:
|
2023-08-07 17:45:23 +00:00
|
|
|
db.finish(flush=true)
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
for n,w in list:
|
|
|
|
|
|
|
|
# Start new database upon request
|
|
|
|
if resetDb or w.root != rootKey or w.proof.len == 0:
|
2023-08-07 17:45:23 +00:00
|
|
|
db.innerCleanUp
|
|
|
|
db = block:
|
|
|
|
let rc = newAristoDbRef(BackendRocksDB,rdbPath)
|
2023-07-05 13:50:11 +00:00
|
|
|
if rc.isErr:
|
|
|
|
check rc.error == 0
|
|
|
|
return
|
|
|
|
rc.value
|
|
|
|
|
|
|
|
# Start transaction (double frame for testing)
|
2023-08-11 17:23:57 +00:00
|
|
|
tx = db.txBegin().value.to(AristoDbRef).txBegin().value
|
2023-08-07 17:45:23 +00:00
|
|
|
check tx.isTop()
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
# Update root
|
|
|
|
rootKey = w.root
|
|
|
|
count = 0
|
|
|
|
count.inc
|
|
|
|
|
|
|
|
let
|
|
|
|
testId = idPfx & "#" & $w.id & "." & $n
|
|
|
|
runID = n
|
|
|
|
lstLen = list.len
|
2023-08-07 17:45:23 +00:00
|
|
|
sTabLen = db.top.sTab.len
|
|
|
|
lTabLen = db.top.lTab.len
|
2023-07-05 13:50:11 +00:00
|
|
|
leafs = w.kvpLst.mapRootVid VertexID(1) # merge into main trie
|
|
|
|
|
|
|
|
var
|
|
|
|
proved: tuple[merged: int, dups: int, error: AristoError]
|
|
|
|
if 0 < w.proof.len:
|
2023-08-07 17:45:23 +00:00
|
|
|
let rc = db.merge(rootKey, VertexID(1))
|
2023-07-05 13:50:11 +00:00
|
|
|
if rc.isErr:
|
|
|
|
check rc.error == 0
|
|
|
|
return
|
|
|
|
|
2023-08-07 17:45:23 +00:00
|
|
|
proved = db.merge(w.proof, rc.value) # , noisy)
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
check proved.error in {AristoError(0),MergeHashKeyCachedAlready}
|
|
|
|
check w.proof.len == proved.merged + proved.dups
|
2023-08-07 17:45:23 +00:00
|
|
|
check db.top.lTab.len == lTabLen
|
|
|
|
check db.top.sTab.len <= proved.merged + sTabLen
|
|
|
|
check proved.merged < db.top.pAmk.len
|
2023-07-05 13:50:11 +00:00
|
|
|
|
|
|
|
let
|
2023-08-07 17:45:23 +00:00
|
|
|
merged = db.merge leafs
|
2023-07-05 13:50:11 +00:00
|
|
|
|
2023-08-07 17:45:23 +00:00
|
|
|
check db.top.lTab.len == lTabLen + merged.merged
|
2023-07-05 13:50:11 +00:00
|
|
|
check merged.merged + merged.dups == leafs.len
|
|
|
|
|
|
|
|
block:
|
|
|
|
if merged.error notin {AristoError(0), MergeLeafPathCachedAlready}:
|
|
|
|
check merged.error in {AristoError(0), MergeLeafPathCachedAlready}
|
|
|
|
return
|
|
|
|
|
|
|
|
block:
|
|
|
|
let oops = oopsTab.getOrDefault(testId,(0,AristoError(0)))
|
2023-08-10 20:01:28 +00:00
|
|
|
if not tx.saveToBackendWithOops(
|
2023-08-11 17:23:57 +00:00
|
|
|
chunkedMpt=true, noisy=noisy, debugID=runID, oops):
|
2023-07-05 13:50:11 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
when true and false:
|
|
|
|
noisy.say "***", "proofs(6) <", n, "/", lstLen-1, ">",
|
|
|
|
" groups=", count, " proved=", proved.pp, " merged=", merged.pp
|
|
|
|
true
|
|
|
|
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
# End
|
|
|
|
# ------------------------------------------------------------------------------
|