nimbus-eth1/nimbus/sync/snap/worker/db/notused/snapdb_check.nim

284 lines
7.8 KiB
Nim

# Nimbus
# Copyright (c) 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.
## Check/analyse DB completeness
## =============================
import
chronicles,
eth/[common, p2p, trie/trie_defs],
stew/keyed_queue,
../../../../utils/prettify,
../../../sync_desc,
"../.."/[range_desc, worker_desc],
"."/[hexary_desc, hexary_error, hexary_inspect,
snapdb_accounts, snapdb_storage_slots]
{.push raises: [Defect].}
logScope:
topics = "snap-db"
const
extraTraceMessages = false or true
## Enabled additional logging noise
# ------------------------------------------------------------------------------
# Private logging helpers
# ------------------------------------------------------------------------------
template logTxt(info: static[string]): static[string] =
"Check DB " & info
proc accountsCtx(
buddy: SnapBuddyRef;
env: SnapPivotRef;
): string =
let
ctx = buddy.ctx
"{" &
"pivot=" & "#" & $env.stateHeader.blockNumber & "," &
"nAccounts=" & $env.nAccounts & "," &
("covered=" & env.fetchAccounts.processed.fullFactor.toPC(0) & "/" &
ctx.data.coveredAccounts.fullFactor.toPC(0)) & "," &
"nCheckNodes=" & $env.fetchAccounts.checkNodes.len & "," &
"nSickSubTries=" & $env.fetchAccounts.sickSubTries.len & "}"
# ------------------------------------------------------------------------------
# Private helpers
# ------------------------------------------------------------------------------
proc storageSlotsCtx(
buddy: SnapBuddyRef;
storageRoot: Hash256;
env: SnapPivotRef;
): string =
let
ctx = buddy.ctx
rc = block:
let rcx = env.fetchStorageFull.eq(storageRoot)
if rcx.isOk: rcx
else: env.fetchStoragePart.eq(storageRoot)
if rc.isErr:
return "n/a"
let
data = rc.value
slots = data.slots
result = "{" &
"inherit=" & (if data.inherit: "t" else: "f") & ","
if not slots.isNil:
result &= "" &
"covered=" & slots.processed.fullFactor.toPC(0) &
"nCheckNodes=" & $slots.checkNodes.len & "," &
"nSickSubTries=" & $slots.sickSubTries.len
result &= "}"
# ------------------------------------------------------------------------------
# Private functions
# ------------------------------------------------------------------------------
proc checkStorageSlotsTrie(
buddy: SnapBuddyRef;
accKey: NodeKey;
storageRoot: Hash256;
env: SnapPivotRef;
): Result[bool,HexaryError] =
## Check whether a storage slots hexary trie is complete.
let
ctx = buddy.ctx
db = ctx.data.snapDb
peer = buddy.peer
rc = db.inspectStorageSlotsTrie(peer, accKey, storageRoot)
if rc.isErr:
return err(rc.error)
ok(rc.value.dangling.len == 0)
iterator accountsWalk(
buddy: SnapBuddyRef;
env: SnapPivotRef;
): (NodeKey,Account,HexaryError) =
let
ctx = buddy.ctx
db = ctx.data.snapDb
peer = buddy.peer
stateRoot = env.stateHeader.stateRoot
walk = SnapDbAccountsRef.init(db, stateRoot, peer)
var
accKey = NodeKey.default
count = 0
runOk = true
while runOk:
count.inc
let nextKey = block:
let rc = walk.nextAccountsChainDbKey(accKey)
if rc.isErr:
if rc.error != AccountNotFound:
error logTxt "accounts walk stopped", peer,
account=accKey.to(NodeTag),
ctx=buddy.accountsCtx(env), count, reason=rc.error
runOk = false
continue
rc.value
accKey = nextKey
let accData = block:
let rc = walk.getAccountsData(accKey, persistent = true)
if rc.isErr:
error logTxt "accounts walk error", peer, account=accKey,
ctx=buddy.accountsCtx(env), count, error=rc.error
runOk = false
continue
rc.value
yield (accKey, accData, NothingSerious)
# ------------------------------------------------------------------------------
# Public functions
# ------------------------------------------------------------------------------
proc checkAccountsTrieIsComplete*(
buddy: SnapBuddyRef;
env: SnapPivotRef;
): bool =
## Check whether accounts hexary trie is complete
let
ctx = buddy.ctx
peer = buddy.peer
db = ctx.data.snapDb
rootKey = env.stateHeader.stateRoot.to(NodeKey)
var
error: HexaryError
try:
let stats = db.getAccountFn.hexaryInspectTrie(rootKey)
if not stats.stopped:
return stats.dangling.len == 0
error = TrieLoopAlert
except RlpError:
error = RlpEncoding
except KeyError as e:
raiseAssert "Not possible @ importRawAccountNodes: " & e.msg
except Exception as e:
raiseAssert "Ooops checkAccountsTrieIsComplete(): name=" &
$e.name & " msg=" & e.msg
error logTxt "accounts health check failed", peer,
ctx=buddy.accountsCtx(env), error
return false
proc checkAccountsListOk*(
buddy: SnapBuddyRef;
env: SnapPivotRef;
noisy = false;
): bool =
## Loop over accounts, returns `false` for some error.
let
ctx = buddy.ctx
peer = buddy.peer
var
accounts = 0
storage = 0
nextMsgThresh = 1
for (key,accData,error) in buddy.accountsWalk(env):
if error != NothingSerious:
error logTxt "accounts loop stopped", peer, ctx=buddy.accountsCtx(env),
accounts, storage, error
return false
accounts.inc
if accData.storageRoot != emptyRlpHash:
storage.inc
when extraTraceMessages:
if noisy and nextMsgThresh <= accounts:
debug logTxt "accounts loop check point", peer,
ctx=buddy.accountsCtx(env), accounts, storage
nextMsgThresh *= 2
when extraTraceMessages:
let isComplete = buddy.checkAccountsTrieIsComplete(env)
debug logTxt "accounts list report", peer, ctx=buddy.accountsCtx(env),
accounts, storage, isComplete
true
proc checkStorageSlotsTrieIsComplete*(
buddy: SnapBuddyRef;
accKey: NodeKey;
storageRoot: Hash256;
env: SnapPivotRef;
): bool =
## Check whether a storage slots hexary trie is complete.
let
peer = buddy.peer
rc = buddy.checkStorageSlotsTrie(accKey, storageRoot, env)
if rc.isOk:
return rc.value
when extraTraceMessages:
let nStoQueue = env.fetchStorageFull.len + env.fetchStoragePart.len
debug logTxt "atorage slots health check failed", peer, nStoQueue,
ctx=buddy.storageSlotsCtx(storageRoot, env), error=rc.error
proc checkStorageSlotsTrieIsComplete*(
buddy: SnapBuddyRef;
env: SnapPivotRef;
): bool =
## Check for all accounts thye whether storage slot hexary tries are complete.
let
ctx = buddy.ctx
peer = buddy.peer
var
accounts = 0
incomplete = 0
complete = 0
for (accKey,accData,error) in buddy.accountsWalk(env):
if error != NothingSerious:
let nStoQueue = env.fetchStorageFull.len + env.fetchStoragePart.len
error logTxt "atorage slots accounts loop stopped", peer, nStoQueue,
accounts, incomplete, complete, error
return false
accounts.inc
let storageRoot = accData.storageRoot
if storageRoot == emptyRlpHash:
continue
let rc = buddy.checkStorageSlotsTrie(accKey, storageRoot, env)
if rc.isOk and rc.value:
complete.inc
else:
incomplete.inc
when extraTraceMessages:
let nStoQueue = env.fetchStorageFull.len + env.fetchStoragePart.len
debug logTxt "storage slots report", peer, ctx=buddy.accountsCtx(env),
nStoQueue, accounts, incomplete, complete
0 < accounts and incomplete == 0
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------