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nimbus-eth1/tests/test_custom_network.nim

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# Nimbus
# Copyright (c) 2018-2019 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.
## This test has two different parts:
##
## :CI:
## This was roughly inspired by repeated failings of running nimbus
## similar to
## ::
## nimbus \
## --data-dir:./kintsugi/tmp \
## --custom-network:kintsugi-network.json \
## --bootstrap-file:kintsugi-bootnodes.txt \
## --prune-mode:full ...
##
## from `issue 932` <https://github.com/status-im/nimbus-eth1/issues/932>`_.
##
## :TDD (invoked as local executable):
## Test driven develomment to prepare for The Merge using real data, in
## particular studying TTD.
##
import
std/os,
chronicles,
results,
unittest2,
../nimbus/core/chain, # must be early (compilation annoyance)
../nimbus/config,
../nimbus/db/select_backend,
../nimbus/common/common,
./replay/[undump_blocks, pp]
type
ReplaySession = object
fancyName: string # display name
genesisFile: string # json file base name
termTotalDff: UInt256 # terminal total difficulty (to verify)
mergeFork: uint64 # block number, merge fork (to verify)
captures: seq[string] # list of gzipped RPL data dumps
ttdReachedAt: uint64 # block number where total difficulty becomes `true`
failBlockAt: uint64 # stop here and expect that block to fail
const
baseDir = [".", "..", ".."/"..", $DirSep]
repoDir = [".", "tests"/"replay", "tests"/"customgenesis",
"nimbus-eth1-blobs"/"replay",
"nimbus-eth1-blobs"/"custom-network"]
devnet4 = ReplaySession(
fancyName: "Devnet4",
genesisFile: "devnet4.json",
captures: @["devnetfour5664.txt.gz"],
termTotalDff: 5_000_000_000.u256,
mergeFork: 100,
ttdReachedAt: 5645,
# Previously failed at `ttdReachedAt` (needed `state.nim` fix/update)
failBlockAt: 99999999)
devnet5 = ReplaySession(
fancyName: "Devnet5",
genesisFile: "devnet5.json",
captures: @["devnetfive43968.txt.gz"],
termTotalDff: 500_000_000_000.u256,
mergeFork: 1000,
ttdReachedAt: 43711,
failBlockAt: 99999999)
kiln = ReplaySession(
fancyName: "Kiln",
genesisFile: "kiln.json",
captures: @[
"kiln048000.txt.gz",
"kiln048001-55296.txt.gz",
# "kiln055297-109056.txt.gz",
# "kiln109057-119837.txt.gz",
],
termTotalDff: 20_000_000_000_000.u256,
mergeFork: 1000,
ttdReachedAt: 55127,
failBlockAt: 1000) # Kludge, some change at the `merge` logic?
# Block chains shared between test suites
var
mcom: CommonRef # memory DB
dcom: CommonRef # perstent DB on disk
ddbDir: string # data directory for disk database
sSpcs: ReplaySession # current replay session specs
const
# FIXED: Persistent database crash on `Devnet4` replay if the database
# directory was acidentally deleted (due to a stray "defer:" directive.)
ddbCrashBlockNumber = 2105
# ------------------------------------------------------------------------------
# Helpers
# ------------------------------------------------------------------------------
proc findFilePath(file: string): Result[string,void] =
for dir in baseDir:
for repo in repoDir:
let path = dir / repo / file
if path.fileExists:
return ok(path)
err()
proc flushDbDir(s: string) =
if s != "":
let dataDir = s / "nimbus"
if (dataDir / "data").dirExists:
# Typically under Windows: there might be stale file locks.
try: dataDir.removeDir except: discard
block dontClearUnlessEmpty:
for w in s.walkDir:
break dontClearUnlessEmpty
try: s.removeDir except: discard
proc say*(noisy = false; pfx = "***"; args: varargs[string, `$`]) =
if noisy:
if args.len == 0:
echo "*** ", pfx
elif 0 < pfx.len and pfx[^1] != ' ':
echo pfx, " ", args.toSeq.join
else:
echo pfx, args.toSeq.join
proc setTraceLevel =
discard
when defined(chronicles_runtime_filtering) and loggingEnabled:
setLogLevel(LogLevel.TRACE)
proc setErrorLevel =
discard
when defined(chronicles_runtime_filtering) and loggingEnabled:
setLogLevel(LogLevel.ERROR)
# ------------------------------------------------------------------------------
# Private functions
# ------------------------------------------------------------------------------
proc ddbCleanUp(dir: string) =
ddbDir = dir
dir.flushDbDir
proc ddbCleanUp =
ddbDir.ddbCleanUp
proc isOk(rc: ValidationResult): bool =
rc == ValidationResult.OK
proc ttdReached(com: CommonRef): bool =
if com.ttd.isSome:
return com.ttd.get <= com.db.headTotalDifficulty()
proc importBlocks(c: ChainRef; h: seq[BlockHeader]; b: seq[BlockBody];
noisy = false): bool =
## On error, the block number of the failng block is returned
let
(first, last) = (h[0].blockNumber, h[^1].blockNumber)
nTxs = b.mapIt(it.transactions.len).foldl(a+b)
nUnc = b.mapIt(it.uncles.len).foldl(a+b)
tddOk = c.com.ttdReached
bRng = if 1 < h.len: &"s [#{first}..#{last}]={h.len}" else: &" #{first}"
blurb = &"persistBlocks([#{first}..#"
catchException("persistBlocks()", trace = true):
if c.persistBlocks(h, b).isOk:
noisy.say "***", &"block{bRng} #txs={nTxs} #uncles={nUnc}"
if not tddOk and c.com.ttdReached:
noisy.say "***", &"block{bRng} => tddReached"
return true
noisy.say "***", &"block{bRng} #txs={nTxs} #uncles={nUnc} -- failed"
# ------------------------------------------------------------------------------
# Test Runner
# ------------------------------------------------------------------------------
proc genesisLoadRunner(noisy = true;
captureSession = devnet4;
persistPruneTrie = true) =
sSpcs = captureSession
let
gFileInfo = sSpcs.genesisFile.splitFile.name.split(".")[0]
gFilePath = sSpcs.genesisFile.findFilePath.value
tmpDir = gFilePath.splitFile.dir / "tmp"
persistPruneInfo = if persistPruneTrie: "pruning enabled"
else: "no pruning"
suite &"{sSpcs.fancyName} custom network genesis & database setup":
var
params: NetworkParams
test &"Load params from {gFileInfo}":
noisy.say "***", "custom-file=", gFilePath
check gFilePath.loadNetworkParams(params)
test "Construct in-memory ChainDBRef, pruning enabled":
mcom = CommonRef.new(
newMemoryDB(),
networkId = params.config.chainId.NetworkId,
params = params)
check mcom.ttd.get == sSpcs.termTotalDff
check mcom.toHardFork(sSpcs.mergeFork.toBlockNumber.blockNumberToForkDeterminationInfo) == MergeFork
test &"Construct persistent ChainDBRef on {tmpDir}, {persistPruneInfo}":
# Before allocating the database, the data directory needs to be
# cleared. There might be left overs from a previous crash or
# because there were file locks under Windows which prevented a
# previous clean up.
tmpDir.ddbCleanUp
# Constructor ...
dcom = CommonRef.new(
tmpDir.newChainDB.trieDB,
networkId = params.config.chainId.NetworkId,
pruneTrie = persistPruneTrie,
params = params)
check dcom.ttd.get == sSpcs.termTotalDff
check dcom.toHardFork(sSpcs.mergeFork.toBlockNumber.blockNumberToForkDeterminationInfo) == MergeFork
test "Initialise in-memory Genesis":
mcom.initializeEmptyDb
# Verify variant of `toBlockHeader()`. The function `pp()` is used
# (rather than blockHash()) for readable error report (if any).
let
storedhHeaderPP = mcom.db.getBlockHeader(0.u256).pp
onTheFlyHeaderPP = mcom.genesisHeader.pp
check storedhHeaderPP == onTheFlyHeaderPP
test "Initialise persistent Genesis":
dcom.initializeEmptyDb
# Must be the same as the in-memory DB value
check dcom.db.getBlockHash(0.u256) == mcom.db.getBlockHash(0.u256)
let
storedhHeaderPP = dcom.db.getBlockHeader(0.u256).pp
onTheFlyHeaderPP = dcom.genesisHeader.pp
check storedhHeaderPP == onTheFlyHeaderPP
proc testnetChainRunner(noisy = true;
memoryDB = true;
stopAfterBlock = 999999999) =
let
cFileInfo = sSpcs.captures[0].splitFile.name.split(".")[0]
cFilePath = sSpcs.captures.mapIt(it.findFilePath.value)
dbInfo = if memoryDB: "in-memory" else: "persistent"
pivotBlockNumber = sSpcs.failBlockAt.u256
lastBlockNumber = stopAfterBlock.u256
ttdBlockNumber = sSpcs.ttdReachedAt.u256
suite &"Block chain DB inspector for {sSpcs.fancyName}":
var
bcom: CommonRef
chn: ChainRef
pivotHeader: BlockHeader
pivotBody: BlockBody
test &"Inherit {dbInfo} block chain DB from previous session":
check not mcom.isNil
check not dcom.isNil
# Whatever DB suits, mdb: in-memory, ddb: persistet/on-disk
bcom = if memoryDB: mcom else: dcom
chn = bcom.newChain
noisy.say "***", "ttd",
" db.config.TTD=", chn.com.ttd
# " db.arrowGlacierBlock=0x", chn.db.config.arrowGlacierBlock.toHex
test &"Replay {cFileInfo} capture, may fail ~#{pivotBlockNumber} "&
&"(slow -- time for coffee break)":
noisy.say "***", "capture-files=[", cFilePath.join(","), "]"
discard
test &"Processing {sSpcs.fancyName} blocks":
for w in cFilePath.mapIt(it.string).undumpBlocks:
let (fromBlock, toBlock) = (w[0][0].blockNumber, w[0][^1].blockNumber)
# Install & verify Genesis
if w[0][0].blockNumber == 0.u256:
doAssert w[0][0] == bcom.db.getBlockHeader(0.u256)
continue
# Persist blocks, full range before `pivotBlockNumber`
if toBlock < pivotBlockNumber:
if not chn.importBlocks(w[0], w[1], noisy):
# Just a guess -- might be any block in that range
(pivotHeader, pivotBody) = (w[0][0],w[1][0])
break
if chn.com.ttdReached:
check ttdBlockNumber <= toBlock
else:
check toBlock < ttdBlockNumber
if lastBlockNumber <= toBlock:
break
else:
let top = (pivotBlockNumber - fromBlock).truncate(uint64).int
# Load the blocks before the pivot block
if 0 < top:
check chn.importBlocks(w[0][0 ..< top],w[1][0 ..< top], noisy)
(pivotHeader, pivotBody) = (w[0][top],w[1][top])
break
test &"Processing {sSpcs.fancyName} block #{pivotHeader.blockNumber}, "&
&"persistBlocks() will fail":
setTraceLevel()
if pivotHeader.blockNumber == 0:
skip()
else:
# Expecting that the import fails at the current block ...
check not chn.importBlocks(@[pivotHeader], @[pivotBody], noisy)
# ------------------------------------------------------------------------------
# Main function(s)
# ------------------------------------------------------------------------------
proc customNetworkMain*(noisy = defined(debug)) =
defer: ddbCleanUp()
noisy.genesisLoadRunner
when isMainModule:
let noisy = defined(debug) or true
setErrorLevel()
noisy.showElapsed("customNetwork"):
defer: ddbCleanUp()
noisy.genesisLoadRunner(
# any of: devnet4, devnet5, kiln, etc.
captureSession = kiln)
# Note that the `testnetChainRunner()` finds the replay dump files
# typically on the `nimbus-eth1-blobs` module.
noisy.testnetChainRunner(
stopAfterBlock = 999999999)
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------
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