nimbus-eth2/ncli/ncli_db.nim

1121 lines
38 KiB
Nim

# beacon_chain
# Copyright (c) 2020-2023 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import
std/[os, stats, strformat, tables],
snappy,
chronicles, confutils, stew/[byteutils, io2], eth/db/kvstore_sqlite3,
../beacon_chain/networking/network_metadata,
../beacon_chain/[beacon_chain_db, era_db],
../beacon_chain/consensus_object_pools/[blockchain_dag],
../beacon_chain/spec/[
beaconstate, state_transition, state_transition_epoch, validator,
ssz_codec],
../beacon_chain/sszdump,
../research/simutils,
./e2store, ./ncli_common, ./validator_db_aggregator
when defined(posix):
import system/ansi_c
type Timers = enum
tInit = "Initialize DB"
tLoadBlock = "Load block from database"
tLoadState = "Load state from database"
tAdvanceSlot = "Advance slot, non-epoch"
tAdvanceEpoch = "Advance slot, epoch"
tApplyBlock = "Apply block, no slot processing"
tDbLoad = "Database load"
tDbStore = "Database store"
type
DbCmd* {.pure.} = enum
bench = "Run a replay benchmark for block and epoch processing"
dumpState = "Extract a state from the database as-is - only works for states that have been explicitly stored"
putState = "Store a given BeaconState in the database"
dumpBlock = "Extract a (trusted) SignedBeaconBlock from the database"
putBlock = "Store a given SignedBeaconBlock in the database, potentially updating some of the pointers"
rewindState = "Extract any state from the database based on a given block and slot, replaying if needed"
verifyEra = "Verify a single era file"
exportEra = "Export historical data to era store in current directory"
importEra = "Import era files to the database"
validatorPerf
validatorDb = "Create or update attestation performance database"
DbConf = object
databaseDir* {.
defaultValue: "db"
desc: "Directory where `nbc.sqlite` is stored"
name: "db".}: InputDir
eraDir* {.
defaultValue: "era"
desc: "Directory where era files are read from"
name: "era-dir".}: string
eth2Network* {.
desc: "The Eth2 network preset to use"
name: "network".}: Option[string]
case cmd* {.
command
desc: ""
.}: DbCmd
of DbCmd.bench:
benchSlot* {.
defaultValue: 0
name: "start-slot"
desc: "Starting slot, negative = backwards from head".}: int64
benchSlots* {.
defaultValue: 50000
name: "slots"
desc: "Number of slots to run benchmark for, 0 = all the way to head".}: uint64
storeBlocks* {.
defaultValue: false
desc: "Store each read block back into a separate database".}: bool
storeStates* {.
defaultValue: false
name: "store-states"
desc: "Store a state each epoch into a separate database".}: bool
printTimes* {.
defaultValue: true
name: "print-times"
desc: "Print csv of block processing time".}: bool
resetCache* {.
defaultValue: false
name: "reset-cache"
desc: "Process each block with a fresh cache".}: bool
of DbCmd.dumpState:
stateRoot* {.
argument
name: "state-root"
desc: "State root(s) to save".}: seq[string]
of DbCmd.putState:
stateFile {.
argument
name: "file"
desc: "Files to import".}: seq[string]
of DbCmd.dumpBlock:
blockRootx* {.
argument
name: "block-root"
desc: "Block root(s) to save".}: seq[string]
of DbCmd.putBlock:
blckFile {.
argument
name: "file"
desc: "Files to import".}: seq[string]
setHead {.
defaultValue: false
name: "set-head"
desc: "Update head to this block"}: bool
setTail {.
defaultValue: false
name: "set-tail"
desc: "Update tail to this block"}: bool
setGenesis {.
defaultValue: false
name: "set-genesis"
desc: "Update genesis to this block"}: bool
of DbCmd.rewindState:
blockRoot* {.
argument
name: "block-root"
desc: "Block root".}: string
slot* {.
argument
desc: "Slot".}: uint64
of DbCmd.verifyEra:
eraFile* {.
desc: "Era file name".}: string
of DbCmd.exportEra:
era* {.
defaultValue: 0
desc: "The era number to write".}: uint64
eraCount* {.
defaultValue: 0
name: "count"
desc: "Number of eras to write (0=all)".}: uint64
of DbCmd.importEra:
eraFiles* {.
argument
name: "file"
desc: "The name of the era file(s) to import".}: seq[string]
of DbCmd.validatorPerf:
perfSlot* {.
defaultValue: -128 * SLOTS_PER_EPOCH.int64
name: "start-slot"
desc: "Starting slot, negative = backwards from head".}: int64
perfSlots* {.
defaultValue: 0
name: "slots"
desc: "Number of slots to run benchmark for, 0 = all the way to head".}: uint64
of DbCmd.validatorDb:
outDir* {.
name: "out-dir"
abbr: "o"
desc: "Output directory".}: string
startEpoch* {.
name: "start-epoch"
abbr: "s"
desc: "Epoch from which to start recording statistics." &
"By default one past the last epoch in the output directory".}: Option[uint]
endEpoch* {.
name: "end-epoch"
abbr: "e"
desc: "The last for which to record statistics." &
"By default the last epoch in the input database".}: Option[uint]
resolution {.
defaultValue: 225,
name: "resolution"
abbr: "r"
desc: "How many epochs to be aggregated in a single compacted file" .}: uint
writeAggregatedFiles {.
name: "aggregated"
defaultValue: true
abbr: "a"
desc: "Whether to write aggregated files for a range of epochs with a given resolution" .}: bool
writeUnaggregatedFiles {.
name: "unaggregated"
defaultValue: true
abbr: "u"
desc: "Whether to write unaggregated file for each epoch" .}: bool
var shouldShutDown = false
func getSlotRange(dag: ChainDAGRef, startSlot: int64, count: uint64): (Slot, Slot) =
let
start =
if startSlot >= 0: Slot(startSlot)
elif uint64(-startSlot) >= dag.head.slot: Slot(0)
else: dag.head.slot - uint64(-startSlot)
ends =
if count == 0: dag.head.slot + 1
else: start + count
(start, ends)
proc cmdBench(conf: DbConf, cfg: RuntimeConfig) =
var timers: array[Timers, RunningStat]
echo "Opening database..."
let
db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
dbBenchmark = BeaconChainDB.new("benchmark")
defer:
db.close()
dbBenchmark.close()
if (let v = ChainDAGRef.isInitialized(db); v.isErr()):
echo "Database not initialized: ", v.error()
quit 1
echo "Initializing block pool..."
let
validatorMonitor = newClone(ValidatorMonitor.init())
dag = withTimerRet(timers[tInit]):
ChainDAGRef.init(cfg, db, validatorMonitor, {}, conf.eraDir)
var
(start, ends) = dag.getSlotRange(conf.benchSlot, conf.benchSlots)
blockRefs = dag.getBlockRange(max(start, Slot 1), ends)
blocks: (
seq[phase0.TrustedSignedBeaconBlock],
seq[altair.TrustedSignedBeaconBlock],
seq[bellatrix.TrustedSignedBeaconBlock],
seq[capella.TrustedSignedBeaconBlock],
seq[deneb.TrustedSignedBeaconBlock])
echo &"Loaded head slot {dag.head.slot}, selected {blockRefs.len} blocks"
doAssert blockRefs.len() > 0, "Must select at least one block"
for b in 0 ..< blockRefs.len:
let blck = blockRefs[blockRefs.len - b - 1]
withTimer(timers[tLoadBlock]):
case cfg.consensusForkAtEpoch(blck.slot.epoch)
of ConsensusFork.Phase0:
blocks[0].add dag.db.getBlock(
blck.root, phase0.TrustedSignedBeaconBlock).get()
of ConsensusFork.Altair:
blocks[1].add dag.db.getBlock(
blck.root, altair.TrustedSignedBeaconBlock).get()
of ConsensusFork.Bellatrix:
blocks[2].add dag.db.getBlock(
blck.root, bellatrix.TrustedSignedBeaconBlock).get()
of ConsensusFork.Capella:
blocks[3].add dag.db.getBlock(
blck.root, capella.TrustedSignedBeaconBlock).get()
of ConsensusFork.Deneb:
blocks[4].add dag.db.getBlock(
blck.root, deneb.TrustedSignedBeaconBlock).get()
let stateData = newClone(dag.headState)
var
cache = StateCache()
info = ForkedEpochInfo()
loadedState = (
(ref phase0.HashedBeaconState)(),
(ref altair.HashedBeaconState)(),
(ref bellatrix.HashedBeaconState)(),
(ref capella.HashedBeaconState)(),
(ref deneb.HashedBeaconState)())
withTimer(timers[tLoadState]):
doAssert dag.updateState(
stateData[],
dag.atSlot(blockRefs[^1], blockRefs[^1].slot - 1).expect("not nil"),
false, cache)
template processBlocks(blocks: auto) =
for b in blocks.mitems():
if shouldShutDown: quit QuitSuccess
while getStateField(stateData[], slot) < b.message.slot:
let isEpoch = (getStateField(stateData[], slot) + 1).is_epoch()
withTimer(timers[if isEpoch: tAdvanceEpoch else: tAdvanceSlot]):
process_slots(
dag.cfg, stateData[], getStateField(stateData[], slot) + 1, cache,
info, {}).expect("Slot processing can't fail with correct inputs")
var start = Moment.now()
withTimer(timers[tApplyBlock]):
if conf.resetCache:
cache = StateCache()
let res = state_transition_block(
dag.cfg, stateData[], b, cache, {}, noRollback)
if res.isErr():
dump("./", b)
echo "State transition failed (!) ", res.error()
quit 1
if conf.printTimes:
echo b.message.slot, ",", toHex(b.root.data), ",", nanoseconds(Moment.now() - start)
if conf.storeBlocks:
withTimer(timers[tDbStore]):
dbBenchmark.putBlock(b)
withState(stateData[]):
if forkyState.data.slot.is_epoch and conf.storeStates:
if forkyState.data.slot.epoch < 2:
dbBenchmark.putState(forkyState.root, forkyState.data)
dbBenchmark.checkpoint()
else:
withTimer(timers[tDbStore]):
dbBenchmark.putState(forkyState.root, forkyState.data)
dbBenchmark.checkpoint()
withTimer(timers[tDbLoad]):
case consensusFork
of ConsensusFork.Phase0:
doAssert dbBenchmark.getState(
forkyState.root, loadedState[0][].data, noRollback)
of ConsensusFork.Altair:
doAssert dbBenchmark.getState(
forkyState.root, loadedState[1][].data, noRollback)
of ConsensusFork.Bellatrix:
doAssert dbBenchmark.getState(
forkyState.root, loadedState[2][].data, noRollback)
of ConsensusFork.Capella:
doAssert dbBenchmark.getState(
forkyState.root, loadedState[3][].data, noRollback)
of ConsensusFork.Deneb:
doAssert dbBenchmark.getState(
forkyState.root, loadedState[4][].data, noRollback)
if forkyState.data.slot.epoch mod 16 == 0:
let loadedRoot = case consensusFork
of ConsensusFork.Phase0: hash_tree_root(loadedState[0][].data)
of ConsensusFork.Altair: hash_tree_root(loadedState[1][].data)
of ConsensusFork.Bellatrix: hash_tree_root(loadedState[2][].data)
of ConsensusFork.Capella: hash_tree_root(loadedState[3][].data)
of ConsensusFork.Deneb: hash_tree_root(loadedState[4][].data)
doAssert hash_tree_root(forkyState.data) == loadedRoot
processBlocks(blocks[0])
processBlocks(blocks[1])
processBlocks(blocks[2])
processBlocks(blocks[3])
processBlocks(blocks[4])
printTimers(false, timers)
proc cmdDumpState(conf: DbConf) =
let db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer: db.close()
let
phase0State = (ref phase0.HashedBeaconState)()
altairState = (ref altair.HashedBeaconState)()
bellatrixState = (ref bellatrix.HashedBeaconState)()
capellaState = (ref capella.HashedBeaconState)()
denebState = (ref deneb.HashedBeaconState)()
for stateRoot in conf.stateRoot:
if shouldShutDown: quit QuitSuccess
template doit(state: untyped) =
try:
state.root = Eth2Digest.fromHex(stateRoot)
if db.getState(state.root, state.data, noRollback):
dump("./", state)
continue
except CatchableError as e:
echo "Couldn't load ", state.root, ": ", e.msg
doit(phase0State[])
doit(altairState[])
doit(bellatrixState[])
doit(capellaState[])
doit(denebState[])
echo "Couldn't load ", stateRoot
proc cmdPutState(conf: DbConf, cfg: RuntimeConfig) =
let db = BeaconChainDB.new(conf.databaseDir.string)
defer: db.close()
for file in conf.stateFile:
if shouldShutDown: quit QuitSuccess
let state = newClone(readSszForkedHashedBeaconState(
cfg, readAllBytes(file).tryGet()))
withState(state[]):
db.putState(forkyState)
proc cmdDumpBlock(conf: DbConf) =
let db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer: db.close()
for blockRoot in conf.blockRootx:
if shouldShutDown: quit QuitSuccess
try:
let root = Eth2Digest.fromHex(blockRoot)
if (let blck = db.getBlock(
root, phase0.TrustedSignedBeaconBlock); blck.isSome):
dump("./", blck.get())
elif (let blck = db.getBlock(
root, altair.TrustedSignedBeaconBlock); blck.isSome):
dump("./", blck.get())
elif (let blck = db.getBlock(root, bellatrix.TrustedSignedBeaconBlock); blck.isSome):
dump("./", blck.get())
elif (let blck = db.getBlock(root, capella.TrustedSignedBeaconBlock); blck.isSome):
dump("./", blck.get())
elif (let blck = db.getBlock(root, deneb.TrustedSignedBeaconBlock); blck.isSome):
dump("./", blck.get())
else:
echo "Couldn't load ", blockRoot
except CatchableError as e:
echo "Couldn't load ", blockRoot, ": ", e.msg
proc cmdPutBlock(conf: DbConf, cfg: RuntimeConfig) =
let db = BeaconChainDB.new(conf.databaseDir.string)
defer: db.close()
for file in conf.blckFile:
if shouldShutDown: quit QuitSuccess
let blck = readSszForkedSignedBeaconBlock(
cfg, readAllBytes(file).tryGet())
withBlck(blck.asTrusted()):
db.putBlock(forkyBlck)
if conf.setHead:
db.putHeadBlock(forkyBlck.root)
if conf.setTail:
db.putTailBlock(forkyBlck.root)
if conf.setGenesis:
db.putGenesisBlock(forkyBlck.root)
proc cmdRewindState(conf: DbConf, cfg: RuntimeConfig) =
echo "Opening database..."
let db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer: db.close()
if (let v = ChainDAGRef.isInitialized(db); v.isErr()):
echo "Database not initialized: ", v.error()
quit 1
echo "Initializing block pool..."
let
validatorMonitor = newClone(ValidatorMonitor.init())
dag = ChainDAGRef.init(cfg, db, validatorMonitor, {}, conf.eraDir)
let bid = dag.getBlockId(fromHex(Eth2Digest, conf.blockRoot)).valueOr:
echo "Block not found in database"
return
let tmpState = assignClone(dag.headState)
dag.withUpdatedState(
tmpState[], dag.atSlot(bid, Slot(conf.slot)).expect("block found")) do:
echo "Writing state..."
withState(updatedState):
dump("./", forkyState)
do: raiseAssert "withUpdatedState failed"
proc cmdVerifyEra(conf: DbConf, cfg: RuntimeConfig) =
let
f = EraFile.open(conf.eraFile).valueOr:
echo error
quit 1
root = f.verify(cfg).valueOr:
echo error
quit 1
echo root
proc cmdExportEra(conf: DbConf, cfg: RuntimeConfig) =
let db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer: db.close()
if (let v = ChainDAGRef.isInitialized(db); v.isErr()):
fatal "Database not initialized", error = v.error()
quit 1
type Timers = enum
tState
tBlocks
let
validatorMonitor = newClone(ValidatorMonitor.init())
dag = ChainDAGRef.init(cfg, db, validatorMonitor, {}, conf.eraDir)
let tmpState = assignClone(dag.headState)
var
tmp: seq[byte]
timers: array[Timers, RunningStat]
var
era = Era(conf.era)
missingHistory = false
while conf.eraCount == 0 or era < Era(conf.era) + conf.eraCount:
defer: era += 1
if shouldShutDown:
break
# Era files hold the blocks for the "previous" era, and the first state in
# the era itself
let
firstSlot =
if era == 0: none(Slot)
else: some((era - 1).start_slot)
endSlot = era.start_slot
if endSlot > dag.head.slot:
notice "Written all complete eras", era, endSlot, head = dag.head
break
let
eraRoot = withState(dag.headState):
eraRoot(
forkyState.data.genesis_validators_root,
forkyState.data.historical_roots.asSeq,
dag.headState.historical_summaries().asSeq,
era).expect("have era root since we checked slot")
name = eraFileName(cfg, era, eraRoot)
if isFile(name):
debug "Era file already exists", era, name
continue
# Check if we reasonably could write the era file given what's in the
# database - we perform this check after checking for existing era files
# since the database might have been pruned up to the "existing" era files!
if endSlot < dag.tail.slot and era != 0:
notice "Skipping era, state history not available",
era, tail = shortLog(dag.tail)
missingHistory = true
continue
let
eraBid = dag.atSlot(dag.head.bid, endSlot).valueOr:
notice "Skipping era, blocks not available", era, name
missingHistory = true
continue
withTimer(timers[tState]):
var cache: StateCache
if not updateState(dag, tmpState[], eraBid, false, cache):
notice "Skipping era, state history not available", era, name
missingHistory = true
continue
info "Writing ", name
let tmpName = name & ".tmp"
var completed = false
block writeFileBlock:
let e2 = openFile(tmpName, {OpenFlags.Write, OpenFlags.Create, OpenFlags.Truncate}).get()
defer: discard closeFile(e2)
var group = EraGroup.init(e2, firstSlot).get()
if firstSlot.isSome():
withTimer(timers[tBlocks]):
var blocks: array[SLOTS_PER_HISTORICAL_ROOT.int, BlockId]
for i in dag.getBlockRange(firstSlot.get(), 1, blocks)..<blocks.len:
if not dag.getBlockSZ(blocks[i], tmp):
break writeFileBlock
group.update(e2, blocks[i].slot, tmp).get()
withState(tmpState[]):
group.finish(e2, forkyState.data).get()
completed = true
if completed:
try:
moveFile(tmpName, name)
except IOError as e:
warn "Failed to rename era file to its final name",
name, tmpName, error = e.msg
else:
if (let e = io2.removeFile(name); e.isErr):
warn "Failed to clean up incomplete era file", tmpName, error = e.error
if missingHistory:
notice "Some era files were not written due to missing state history - see https://nimbus.guide/trusted-node-sync.html#recreate-historical-state-access-indices for more information"
printTimers(true, timers)
proc cmdImportEra(conf: DbConf, cfg: RuntimeConfig) =
let db = BeaconChainDB.new(conf.databaseDir.string)
defer: db.close()
type Timers = enum
tBlock
tState
var
blocks = 0
states = 0
others = 0
timers: array[Timers, RunningStat]
var data: seq[byte]
for file in conf.eraFiles:
if shouldShutDown: quit QuitSuccess
let f = openFile(file, {OpenFlags.Read}).valueOr:
warn "Can't open ", file
continue
defer: discard closeFile(f)
while true:
let header = readRecord(f, data).valueOr:
break
if header.typ == SnappyBeaconBlock:
withTimer(timers[tBlock]):
let uncompressed = decodeFramed(data, checkIntegrity = false)
let blck = try: readSszForkedSignedBeaconBlock(cfg, uncompressed)
except CatchableError as exc:
error "Invalid snappy block", msg = exc.msg, file
continue
withBlck(blck.asTrusted()):
db.putBlock(forkyBlck)
blocks += 1
elif header.typ == SnappyBeaconState:
info "Skipping beacon state (use reindexing to recreate state snapshots)"
states += 1
else:
info "Skipping record", typ = toHex(header.typ)
others += 1
notice "Done", blocks, states, others
printTimers(true, timers)
type
# Validator performance metrics tool based on
# https://github.com/paulhauner/lighthouse/blob/etl/lcli/src/etl/validator_performance.rs
# Credits to Paul Hauner
ValidatorPerformance = object
attestation_hits: uint64
attestation_misses: uint64
head_attestation_hits: uint64
head_attestation_misses: uint64
target_attestation_hits: uint64
target_attestation_misses: uint64
first_slot_head_attester_when_first_slot_empty: uint64
first_slot_head_attester_when_first_slot_not_empty: uint64
delays: Table[uint64, uint64]
proc cmdValidatorPerf(conf: DbConf, cfg: RuntimeConfig) =
echo "Opening database..."
let
db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer:
db.close()
if (let v = ChainDAGRef.isInitialized(db); v.isErr()):
echo "Database not initialized: ", v.error()
quit 1
echo "# Initializing block pool..."
let
validatorMonitor = newClone(ValidatorMonitor.init())
dag = ChainDAGRef.init(cfg, db, validatorMonitor, {}, conf.eraDir)
var
(start, ends) = dag.getSlotRange(conf.perfSlot, conf.perfSlots)
blockRefs = dag.getBlockRange(start, ends)
perfs = newSeq[ValidatorPerformance](
getStateField(dag.headState, validators).len())
cache = StateCache()
info = ForkedEpochInfo()
blck: phase0.TrustedSignedBeaconBlock
doAssert blockRefs.len() > 0, "Must select at least one block"
echo "# Analyzing performance for epochs ",
blockRefs[^1].slot.epoch, " - ", blockRefs[0].slot.epoch
let state = newClone(dag.headState)
doAssert dag.updateState(
state[],
dag.atSlot(blockRefs[^1], blockRefs[^1].slot - 1).expect("block found"),
false, cache)
proc processEpoch() =
let
prev_epoch_target_slot =
state[].get_previous_epoch().start_slot()
penultimate_epoch_end_slot =
if prev_epoch_target_slot == 0: Slot(0)
else: prev_epoch_target_slot - 1
first_slot_empty =
state[].get_block_root_at_slot(prev_epoch_target_slot) ==
state[].get_block_root_at_slot(penultimate_epoch_end_slot)
let first_slot_attesters = block:
let committees_per_slot = state[].get_committee_count_per_slot(
prev_epoch_target_slot.epoch, cache)
var indices = HashSet[ValidatorIndex]()
for committee_index in get_committee_indices(committees_per_slot):
for validator_index in state[].get_beacon_committee(
prev_epoch_target_slot, committee_index, cache):
indices.incl(validator_index)
indices
case info.kind
of EpochInfoFork.Phase0:
template info: untyped = info.phase0Data
for i, s in info.validators:
let perf = addr perfs[i]
if RewardFlags.isActiveInPreviousEpoch in s.flags:
if s.is_previous_epoch_attester.isSome():
perf.attestation_hits += 1;
if RewardFlags.isPreviousEpochHeadAttester in s.flags:
perf.head_attestation_hits += 1
else:
perf.head_attestation_misses += 1
if RewardFlags.isPreviousEpochTargetAttester in s.flags:
perf.target_attestation_hits += 1
else:
perf.target_attestation_misses += 1
if i.ValidatorIndex in first_slot_attesters:
if first_slot_empty:
perf.first_slot_head_attester_when_first_slot_empty += 1
else:
perf.first_slot_head_attester_when_first_slot_not_empty += 1
if s.is_previous_epoch_attester.isSome():
perf.delays.mgetOrPut(
s.is_previous_epoch_attester.get().delay, 0'u64) += 1
else:
perf.attestation_misses += 1;
of EpochInfoFork.Altair:
echo "TODO altair"
if shouldShutDown: quit QuitSuccess
for bi in 0 ..< blockRefs.len:
blck = db.getBlock(
blockRefs[blockRefs.len - bi - 1].root,
phase0.TrustedSignedBeaconBlock).get()
while getStateField(state[], slot) < blck.message.slot:
let
nextSlot = getStateField(state[], slot) + 1
flags =
if nextSlot == blck.message.slot: {skipLastStateRootCalculation}
else: {}
process_slots(
dag.cfg, state[], nextSlot, cache, info, flags).expect(
"Slot processing can't fail with correct inputs")
if getStateField(state[], slot).is_epoch():
processEpoch()
let res = state_transition_block(
dag.cfg, state[], blck, cache, {}, noRollback)
if res.isErr:
echo "State transition failed (!) ", res.error()
quit 1
# Capture rewards of empty slots as well
while getStateField(state[], slot) < ends:
process_slots(
dag.cfg, state[], getStateField(state[], slot) + 1, cache,
info, {}).expect("Slot processing can't fail with correct inputs")
if getStateField(state[], slot).is_epoch():
processEpoch()
echo "validator_index,attestation_hits,attestation_misses,head_attestation_hits,head_attestation_misses,target_attestation_hits,target_attestation_misses,delay_avg,first_slot_head_attester_when_first_slot_empty,first_slot_head_attester_when_first_slot_not_empty"
for i, perf in perfs:
var
count = 0'u64
sum = 0'u64
for delay, n in perf.delays:
count += n
sum += delay * n
echo i,",",
perf.attestation_hits,",",
perf.attestation_misses,",",
perf.head_attestation_hits,",",
perf.head_attestation_misses,",",
perf.target_attestation_hits,",",
perf.target_attestation_misses,",",
if count == 0: 0.0
else: sum.float / count.float,",",
perf.first_slot_head_attester_when_first_slot_empty,",",
perf.first_slot_head_attester_when_first_slot_not_empty
proc createValidatorsRawTable(db: SqStoreRef) =
db.exec("""
CREATE TABLE IF NOT EXISTS validators_raw(
validator_index INTEGER PRIMARY KEY,
pubkey BLOB NOT NULL UNIQUE
);
""").expect("DB")
proc createValidatorsView(db: SqStoreRef) =
db.exec("""
CREATE VIEW IF NOT EXISTS validators AS
SELECT
validator_index,
'0x' || lower(hex(pubkey)) as pubkey
FROM validators_raw;
""").expect("DB")
proc createInsertValidatorProc(db: SqStoreRef): auto =
db.prepareStmt("""
INSERT OR IGNORE INTO validators_raw(
validator_index,
pubkey)
VALUES(?, ?);""",
(int64, array[48, byte]), void).expect("DB")
proc collectBalances(balances: var seq[uint64], forkedState: ForkedHashedBeaconState) =
withState(forkedState):
balances = seq[uint64](forkyState.data.balances.data)
proc calculateDelta(info: RewardsAndPenalties): int64 =
info.source_outcome +
info.target_outcome +
info.head_outcome +
info.inclusion_delay_outcome +
info.sync_committee_outcome +
info.proposer_outcome +
info.slashing_outcome -
info.inactivity_penalty.int64 +
info.deposits.int64
proc printComponents(info: RewardsAndPenalties) =
echo "Components:"
echo "Source outcome: ", info.source_outcome
echo "Target outcome: ", info.target_outcome
echo "Head outcome: ", info.head_outcome
echo "Inclusion delay outcome: ", info.inclusion_delay_outcome
echo "Sync committee outcome: ", info.sync_committee_outcome
echo "Proposer outcome: ", info.proposer_outcome
echo "Slashing outcome: ", info.slashing_outcome
echo "Inactivity penalty: ", info.inactivity_penalty
echo "Deposits: ", info.deposits
proc checkBalance(validatorIndex: int64,
validator: RewardStatus | ParticipationInfo,
currentEpochBalance, previousEpochBalance: int64,
validatorInfo: RewardsAndPenalties) =
let delta = validatorInfo.calculateDelta
if currentEpochBalance == previousEpochBalance + delta:
return
echo "Validator: ", validatorIndex
echo "Is eligible: ", is_eligible_validator(validator)
echo "Current epoch balance: ", currentEpochBalance
echo "Previous epoch balance: ", previousEpochBalance
echo "State delta: ", currentEpochBalance - previousEpochBalance
echo "Computed delta: ", delta
printComponents(validatorInfo)
raiseAssert("Validator's previous epoch balance plus computed validator's " &
"delta is not equal to the validator's current epoch balance.")
proc getDbValidatorsCount(db: SqStoreRef): int64 =
var res: int64
discard db.exec("SELECT count(*) FROM validators", ()) do (r: int64):
res = r
return res
template inTransaction(db: SqStoreRef, dbName: string, body: untyped) =
try:
db.exec("BEGIN TRANSACTION;").expect(dbName)
body
finally:
db.exec("END TRANSACTION;").expect(dbName)
proc insertValidators(db: SqStoreRef, state: ForkedHashedBeaconState,
startIndex, endIndex: int64) =
var insertValidator {.global.}: SqliteStmt[
(int64, array[48, byte]), void]
once: insertValidator = db.createInsertValidatorProc
withState(state):
db.inTransaction("DB"):
for i in startIndex ..< endIndex:
insertValidator.exec(
(i, forkyState.data.validators[i].pubkey.toRaw)).expect("DB")
proc cmdValidatorDb(conf: DbConf, cfg: RuntimeConfig) =
# Create a database with performance information for every epoch
info "Opening database..."
let db = BeaconChainDB.new(conf.databaseDir.string, readOnly = true)
defer: db.close()
if (let v = ChainDAGRef.isInitialized(db); v.isErr()):
echo "Database not initialized"
quit 1
echo "Initializing block pool..."
let
validatorMonitor = newClone(ValidatorMonitor.init())
dag = ChainDAGRef.init(cfg, db, validatorMonitor, {}, conf.eraDir)
let outDb = SqStoreRef.init(conf.outDir, "validatorDb").expect("DB")
defer: outDb.close()
outDb.createValidatorsRawTable
outDb.createValidatorsView
let
unaggregatedFilesOutputDir = conf.outDir / "unaggregated"
aggregatedFilesOutputDir = conf.outDir / "aggregated"
startEpoch =
if conf.startEpoch.isSome:
Epoch(conf.startEpoch.get)
else:
let unaggregatedFilesNextEpoch = getUnaggregatedFilesLastEpoch(
unaggregatedFilesOutputDir) + 1
let aggregatedFilesNextEpoch = getAggregatedFilesLastEpoch(
aggregatedFilesOutputDir) + 1
if conf.writeUnaggregatedFiles and conf.writeAggregatedFiles:
min(unaggregatedFilesNextEpoch, aggregatedFilesNextEpoch)
elif conf.writeUnaggregatedFiles:
unaggregatedFilesNextEpoch
elif conf.writeAggregatedFiles:
aggregatedFilesNextEpoch
else:
min(unaggregatedFilesNextEpoch, aggregatedFilesNextEpoch)
endEpoch =
if conf.endEpoch.isSome:
Epoch(conf.endEpoch.get)
else:
dag.finalizedHead.slot.epoch # Avoid dealing with changes
if startEpoch > endEpoch:
fatal "Start epoch cannot be bigger than end epoch.",
startEpoch = startEpoch, endEpoch = endEpoch
quit QuitFailure
info "Analyzing performance for epochs.",
startEpoch = startEpoch, endEpoch = endEpoch
let
startSlot = startEpoch.start_slot
endSlot = endEpoch.start_slot + SLOTS_PER_EPOCH
blockRefs = dag.getBlockRange(startSlot, endSlot)
if not unaggregatedFilesOutputDir.dirExists:
unaggregatedFilesOutputDir.createDir
if not aggregatedFilesOutputDir.dirExists:
aggregatedFilesOutputDir.createDir
let tmpState = newClone(dag.headState)
var cache = StateCache()
let slot = if startSlot > 0: startSlot - 1 else: 0.Slot
if blockRefs.len > 0:
discard dag.updateState(
tmpState[], dag.atSlot(blockRefs[^1], slot).expect("block"), false, cache)
else:
discard dag.updateState(
tmpState[], dag.getBlockIdAtSlot(slot).expect("block"), false, cache)
let savedValidatorsCount = outDb.getDbValidatorsCount
var validatorsCount = getStateField(tmpState[], validators).len
outDb.insertValidators(tmpState[], savedValidatorsCount, validatorsCount)
var previousEpochBalances: seq[uint64]
collectBalances(previousEpochBalances, tmpState[])
var forkedInfo = ForkedEpochInfo()
var rewardsAndPenalties: seq[RewardsAndPenalties]
rewardsAndPenalties.setLen(validatorsCount)
var auxiliaryState: AuxiliaryState
auxiliaryState.copyParticipationFlags(tmpState[])
var aggregator = ValidatorDbAggregator.init(
aggregatedFilesOutputDir, conf.resolution, endEpoch)
proc processEpoch() =
let epoch = getStateField(tmpState[], slot).epoch
info "Processing epoch ...", epoch = epoch
var csvLines = newStringOfCap(1000000)
withState(tmpState[]):
withEpochInfo(forkedInfo):
doAssert forkyState.data.balances.len == info.validators.len
doAssert forkyState.data.balances.len == previousEpochBalances.len
doAssert forkyState.data.balances.len == rewardsAndPenalties.len
for index, validator in info.validators:
template rp: untyped = rewardsAndPenalties[index]
checkBalance(
index, validator, forkyState.data.balances.item(index).int64,
previousEpochBalances[index].int64, rp)
when infoFork == EpochInfoFork.Phase0:
rp.inclusion_delay = block:
let notSlashed = (RewardFlags.isSlashed notin validator.flags)
if notSlashed and validator.is_previous_epoch_attester.isSome():
some(validator.is_previous_epoch_attester.get().delay.uint64)
else:
none(uint64)
if conf.writeUnaggregatedFiles:
csvLines.add rp.serializeToCsv
if conf.writeAggregatedFiles:
aggregator.addValidatorData(index, rp)
if conf.writeUnaggregatedFiles:
let fileName = getFilePathForEpoch(epoch, unaggregatedFilesOutputDir)
var res = io2.removeFile(fileName)
doAssert res.isOk
res = io2.writeFile(fileName, snappy.encode(csvLines.toBytes))
doAssert res.isOk
if conf.writeAggregatedFiles:
aggregator.advanceEpochs(epoch, shouldShutDown)
if shouldShutDown: quit QuitSuccess
collectBalances(previousEpochBalances, tmpState[])
proc processSlots(ends: Slot, endsFlags: UpdateFlags) =
var currentSlot = getStateField(tmpState[], slot)
while currentSlot < ends:
let nextSlot = currentSlot + 1
let flags = if nextSlot == ends: endsFlags else: {}
if nextSlot.is_epoch:
withState(tmpState[]):
var stateData = newClone(forkyState.data)
rewardsAndPenalties.collectEpochRewardsAndPenalties(
stateData[], cache, cfg, flags)
let res = process_slots(cfg, tmpState[], nextSlot, cache, forkedInfo, flags)
doAssert res.isOk, "Slot processing can't fail with correct inputs"
currentSlot = nextSlot
if currentSlot.is_epoch:
processEpoch()
rewardsAndPenalties.setLen(0)
rewardsAndPenalties.setLen(validatorsCount)
auxiliaryState.copyParticipationFlags(tmpState[])
clear cache
for bi in 0 ..< blockRefs.len:
let forkedBlock = dag.getForkedBlock(blockRefs[blockRefs.len - bi - 1]).get()
withBlck(forkedBlock):
processSlots(forkyBlck.message.slot, {skipLastStateRootCalculation})
rewardsAndPenalties.collectBlockRewardsAndPenalties(
tmpState[], forkedBlock, auxiliaryState, cache, cfg)
let res = state_transition_block(
cfg, tmpState[], forkyBlck, cache, {}, noRollback)
if res.isErr:
fatal "State transition failed (!)"
quit QuitFailure
let newValidatorsCount = getStateField(tmpState[], validators).len
if newValidatorsCount > validatorsCount:
# Resize the structures in case a new validator has appeared after
# the state_transition_block procedure call ...
rewardsAndPenalties.setLen(newValidatorsCount)
previousEpochBalances.setLen(newValidatorsCount)
# ... and add the new validators to the database.
outDb.insertValidators(
tmpState[], validatorsCount, newValidatorsCount)
validatorsCount = newValidatorsCount
# Capture rewards of empty slots as well, including the epoch that got
# finalized
processSlots(endSlot, {})
proc controlCHook {.noconv.} =
notice "Shutting down after having received SIGINT."
shouldShutDown = true
proc exitOnSigterm(signal: cint) {.noconv.} =
notice "Shutting down after having received SIGTERM."
shouldShutDown = true
when isMainModule:
setControlCHook(controlCHook)
when defined(posix):
c_signal(SIGTERM, exitOnSigterm)
var
conf = DbConf.load()
cfg = getRuntimeConfig(conf.eth2Network)
case conf.cmd
of DbCmd.bench:
cmdBench(conf, cfg)
of DbCmd.dumpState:
cmdDumpState(conf)
of DbCmd.putState:
cmdPutState(conf, cfg)
of DbCmd.dumpBlock:
cmdDumpBlock(conf)
of DbCmd.putBlock:
cmdPutBlock(conf, cfg)
of DbCmd.rewindState:
cmdRewindState(conf, cfg)
of DbCmd.verifyEra:
cmdVerifyEra(conf, cfg)
of DbCmd.exportEra:
cmdExportEra(conf, cfg)
of DbCmd.importEra:
cmdImportEra(conf, cfg)
of DbCmd.validatorPerf:
cmdValidatorPerf(conf, cfg)
of DbCmd.validatorDb:
cmdValidatorDb(conf, cfg)