nimbus-eth1/tests/test_aristo/test_merge.nim

376 lines
11 KiB
Nim

# Nimbus - Types, data structures and shared utilities used in network sync
#
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or
# distributed except according to those terms.
## Aristo (aka Patricia) DB records merge test
import
std/tables,
eth/common,
stew/[byteutils, results],
unittest2,
../../nimbus/db/aristo/aristo_init/aristo_rocksdb,
../../nimbus/db/aristo/[
aristo_desc, aristo_debug, aristo_get, aristo_hashify, aristo_init,
aristo_hike, aristo_layer, aristo_merge],
./test_helpers
type
KnownHasherFailure* = seq[(string,(int,AristoError))]
## (<sample-name> & "#" <instance>, (<vertex-id>,<error-symbol>))
# ------------------------------------------------------------------------------
# Private helpers
# ------------------------------------------------------------------------------
proc pp(w: tuple[merged: int, dups: int, error: AristoError]): string =
result = "(merged: " & $w.merged & ", dups: " & $w.dups
if w.error != AristoError(0):
result &= ", error: " & $w.error
result &= ")"
proc mergeStepwise(
db: AristoDb;
leafs: openArray[LeafTiePayload];
noisy = false;
): tuple[merged: int, dups: int, error: AristoError] =
let
lTabLen = db.top.lTab.len
var
(merged, dups, error) = (0, 0, AristoError(0))
for n,leaf in leafs:
var
event = false
dumpOk = false or event
stopOk = false
when true: # and false:
noisy.say "***", "step <", n, "/", leafs.len-1, "> leaf=", leaf.pp(db)
let
preState = db.pp
hike = db.merge leaf
ekih = leaf.leafTie.hikeUp(db)
case hike.error:
of AristoError(0):
merged.inc
of MergeLeafPathCachedAlready:
dups.inc
else:
error = hike.error
dumpOk = true
stopOk = true
if ekih.error != AristoError(0) or
ekih.legs[^1].wp.vtx.lData.blob != leaf.payload.blob:
dumpOk = true
stopOk = true
let hashesOk = block:
let rc = db.hashifyCheck(relax=true)
if rc.isOk:
(VertexID(0),AristoError(0))
else:
dumpOk = true
stopOk = true
if error == AristoError(0):
error = rc.error[1]
rc.error
if db.top.lTab.len < lTabLen + merged:
dumpOk = true
if dumpOk:
noisy.say "***", "<", n, "/", leafs.len-1, ">",
" merged=", merged,
" dups=", dups,
" leaf=", leaf.pp(db),
"\n --------",
"\n hike\n ", hike.pp(db),
"\n ekih\n ", ekih.pp(db),
"\n pre-DB\n ", preState,
"\n --------",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
check hike.error in {AristoError(0), MergeLeafPathCachedAlready}
check ekih.error == AristoError(0)
check hashesOk == (VertexID(0),AristoError(0))
if ekih.legs.len == 0:
check 0 < ekih.legs.len
elif ekih.legs[^1].wp.vtx.vType != Leaf:
check ekih.legs[^1].wp.vtx.vType == Leaf
elif hike.error != MergeLeafPathCachedAlready:
check ekih.legs[^1].wp.vtx.lData.blob.toHex == leaf.payload.blob.toHex
if db.top.lTab.len < lTabLen + merged:
check lTabLen + merged <= db.top.lTab.len
error = GenericError
stopOk = true # makes no sense to go on
if stopOk:
noisy.say "***", "<", n, "/", leafs.len-1, "> stop"
break
(merged,dups,error)
# ------------------------------------------------------------------------------
# Public test function
# ------------------------------------------------------------------------------
proc test_mergeKvpList*(
noisy: bool;
list: openArray[ProofTrieData];
rdbPath: string; # Rocks DB storage directory
resetDb = false;
): bool =
var
db: AristoDb
defer:
db.finish(flush=true)
for n,w in list:
if resetDb or db.top.isNil:
db.finish(flush=true)
db = block:
let rc = AristoDb.init(BackendRocksDB,rdbPath)
if rc.isErr:
check rc.error == AristoError(0)
return
rc.value
let
lstLen = list.len
lTabLen = db.top.lTab.len
leafs = w.kvpLst.mapRootVid VertexID(1) # merge into main trie
when true and false:
if true and 40 <= n:
noisy.say "*** kvp(1)", "<", n, "/", lstLen-1, ">",
" nLeafs=", leafs.len,
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
let
added = db.merge leafs
#added = db.mergeStepwise(leafs) #, noisy=40 <= n)
if added.error != AristoError(0):
check added.error == AristoError(0)
return
# There might be an extra leaf in the cache after inserting a Branch
# which forks a previous leaf node and a new one.
check lTabLen + added.merged <= db.top.lTab.len
check added.merged + added.dups == leafs.len
let
preDb = db.pp
block:
let rc = db.hashify # (noisy=(0 < n))
if rc.isErr: # or true:
noisy.say "*** kvp(2)", "<", n, "/", lstLen-1, ">",
" added=", added,
"\n pre-DB\n ", preDb,
"\n --------",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
if rc.isErr:
check rc.error == (VertexID(0),AristoError(0)) # force message
return
when true and false:
noisy.say "*** kvp(3)", "<", n, "/", lstLen-1, ">",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
block:
let rc = db.hashifyCheck()
if rc.isErr:
noisy.say "*** kvp(4)", "<", n, "/", lstLen-1, "> db dump",
"\n pre-DB\n ", preDb,
"\n --------",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
if rc.isErr:
check rc == Result[void,(VertexID,AristoError)].ok()
return
let rdbHist = block:
let rc = db.save
if rc.isErr:
check rc.error == AristoError(0)
return
rc.value
when true and false:
noisy.say "*** kvp(5)", "<", n, "/", lstLen-1, ">",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
when true and false:
noisy.say "*** kvp(9)", "sample ", n, "/", lstLen-1,
" merged=", added.merged,
" dup=", added.dups
true
proc test_mergeProofAndKvpList*(
noisy: bool;
list: openArray[ProofTrieData];
rdbPath: string; # Rocks DB storage directory
resetDb = false;
idPfx = "";
oops: KnownHasherFailure = @[];
): bool =
let
oopsTab = oops.toTable
var
db: AristoDb
rootKey = HashKey.default
count = 0
defer:
db.finish(flush=true)
for n,w in list:
if resetDb or w.root != rootKey or w.proof.len == 0:
db.finish(flush=true)
db = block:
let rc = AristoDb.init(BackendRocksDB,rdbPath)
if rc.isErr:
check rc.error == AristoError(0)
return
rc.value
rootKey = w.root
count = 0
count.inc
let
testId = idPfx & "#" & $w.id & "." & $n
lstLen = list.len
sTabLen = db.top.sTab.len
lTabLen = db.top.lTab.len
leafs = w.kvpLst.mapRootVid VertexID(1) # merge into main trie
when true and false:
noisy.say "***", "proofs(1) <", n, "/", lstLen-1, ">",
" groups=", count, " nLeafs=", leafs.len,
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
var
proved: tuple[merged: int, dups: int, error: AristoError]
preDb: string
if 0 < w.proof.len:
let rc = db.merge(rootKey, VertexID(1))
if rc.isErr:
check rc.error == AristoError(0)
return
preDb = db.pp
proved = db.merge(w.proof, rc.value) # , noisy)
check proved.error in {AristoError(0),MergeHashKeyCachedAlready}
check w.proof.len == proved.merged + proved.dups
check db.top.lTab.len == lTabLen
check db.top.sTab.len <= proved.merged + sTabLen
check proved.merged < db.top.pAmk.len
when true and false:
if 0 < w.proof.len:
noisy.say "***", "proofs(2) <", n, "/", lstLen-1, ">",
" groups=", count,
" nLeafs=", leafs.len,
" proved=", proved,
"\n pre-DB\n ", preDb,
"\n --------",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
return
let
merged = db.merge leafs
#merged = db.mergeStepwise(leafs, noisy=false)
check db.top.lTab.len == lTabLen + merged.merged
check merged.merged + merged.dups == leafs.len
block:
if merged.error notin {AristoError(0), MergeLeafPathCachedAlready}:
noisy.say "***", "<", n, "/", lstLen-1, ">\n ", db.pp
check merged.error in {AristoError(0), MergeLeafPathCachedAlready}
return
when true and false:
noisy.say "***", "proofs(3) <", n, "/", lstLen-1, ">",
" groups=", count, " nLeafs=", leafs.len, " merged=", merged,
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
block:
let
preDb = db.pp(sTabOk=false, lTabOk=false)
rc = db.hashify() # noisy=true)
# Handle known errors
if oopsTab.hasKey testId:
if rc.isOK:
check rc.isErr
return
let oops = (VertexID(oopsTab[testId][0]), oopsTab[testId][1])
if oops != rc.error:
check oops == rc.error
return
# Otherwise, check for correctness
elif rc.isErr:
noisy.say "***", "proofs(4) <", n, "/", lstLen-1, ">",
" testId=", testId,
" groups=", count,
"\n pre-DB",
"\n ", preDb,
"\n --------",
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
check rc.error == (VertexID(0),AristoError(0))
return
let rdbHist = block:
let rc = db.save
if rc.isErr:
check rc.error == AristoError(0)
return
rc.value
when true and false:
noisy.say "***", "proofs(5) <", n, "/", lstLen-1, ">",
" groups=", count,
"\n cache\n ", db.pp,
"\n backend\n ", db.to(RdbBackendRef).pp(db),
"\n --------"
when true and false:
noisy.say "***", "proofs(6) <", n, "/", lstLen-1, ">",
" groups=", count, " proved=", proved.pp, " merged=", merged.pp
true
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------