nimbus-eth1/nimbus/sync/snap/worker/db/snapdb_persistent.nim

203 lines
6.4 KiB
Nim

# nimbus-eth1
# 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.
import
std/[algorithm, tables],
chronicles,
eth/[common, trie/db],
../../../../db/kvstore_rocksdb,
../../range_desc,
"."/[hexary_desc, hexary_error, rocky_bulk_load, snapdb_desc]
{.push raises: [Defect].}
logScope:
topics = "snap-db"
type
AccountsGetFn* = proc(key: openArray[byte]): Blob {.gcsafe.}
## The `get()` function for the accounts trie
StorageSlotsGetFn* = proc(acc: NodeKey; key: openArray[byte]): Blob {.gcsafe.}
## The `get()` function for the storage trie depends on the current account
# ------------------------------------------------------------------------------
# Private helpers
# ------------------------------------------------------------------------------
proc convertTo(key: RepairKey; T: type NodeKey): T =
## Might be lossy, check before use
discard result.init(key.ByteArray33[1 .. 32])
proc convertTo(key: RepairKey; T: type NodeTag): T =
## Might be lossy, check before use
UInt256.fromBytesBE(key.ByteArray33[1 .. 32]).T
proc toAccountsKey(a: RepairKey): ByteArray33 =
a.convertTo(NodeKey).toAccountsKey
proc toStorageSlotsKey(a: RepairKey): ByteArray33 =
a.convertTo(NodeKey).toStorageSlotsKey
# ------------------------------------------------------------------------------
# Public functions: get
# ------------------------------------------------------------------------------
proc persistentAccountsGetFn*(db: TrieDatabaseRef): AccountsGetFn =
return proc(key: openArray[byte]): Blob =
var nodeKey: NodeKey
if nodeKey.init(key):
return db.get(nodeKey.toAccountsKey.toOpenArray)
proc persistentStorageSlotsGetFn*(db: TrieDatabaseRef): StorageSlotsGetFn =
return proc(accKey: NodeKey; key: openArray[byte]): Blob =
var nodeKey: NodeKey
if nodeKey.init(key):
return db.get(nodeKey.toStorageSlotsKey.toOpenArray)
# ------------------------------------------------------------------------------
# Public functions: store/put
# ------------------------------------------------------------------------------
proc persistentAccountsPut*(
db: HexaryTreeDbRef;
base: TrieDatabaseRef
): Result[void,HexaryDbError] =
## Bulk load using transactional `put()`
let dbTx = base.beginTransaction
defer: dbTx.commit
for (key,value) in db.tab.pairs:
if not key.isNodeKey:
let error = UnresolvedRepairNode
trace "Unresolved node in repair table", error
return err(error)
base.put(key.toAccountsKey.toOpenArray, value.convertTo(Blob))
ok()
proc persistentStorageSlotsPut*(
db: HexaryTreeDbRef;
base: TrieDatabaseRef
): Result[void,HexaryDbError] =
## Bulk load using transactional `put()`
let dbTx = base.beginTransaction
defer: dbTx.commit
for (key,value) in db.tab.pairs:
if not key.isNodeKey:
let error = UnresolvedRepairNode
trace "Unresolved node in repair table", error
return err(error)
base.put(key.toStorageSlotsKey.toOpenArray, value.convertTo(Blob))
ok()
proc persistentAccountsPut*(
db: HexaryTreeDbRef;
rocky: RocksStoreRef
): Result[void,HexaryDbError]
{.gcsafe, raises: [Defect,OSError,KeyError].} =
## SST based bulk load on `rocksdb`.
if rocky.isNil:
return err(NoRocksDbBackend)
let bulker = RockyBulkLoadRef.init(rocky)
defer: bulker.destroy()
if not bulker.begin(RockyBulkCache):
let error = CannotOpenRocksDbBulkSession
trace "Rocky hexary session initiation failed",
error, info=bulker.lastError()
return err(error)
#let keyList = toSeq(db.tab.keys)
# .filterIt(it.isNodeKey)
# .mapIt(it.convertTo(NodeTag))
# .sorted(cmp)
var
keyList = newSeq[NodeTag](db.tab.len)
inx = 0
for repairKey in db.tab.keys:
if repairKey.isNodeKey:
keyList[inx] = repairKey.convertTo(NodeTag)
inx.inc
if inx < db.tab.len:
return err(UnresolvedRepairNode)
keyList.sort(cmp)
for n,nodeTag in keyList:
let
nodeKey = nodeTag.to(NodeKey)
data = db.tab[nodeKey.to(RepairKey)].convertTo(Blob)
if not bulker.add(nodeKey.toAccountsKey.toOpenArray, data):
let error = AddBulkItemFailed
trace "Rocky hexary bulk load failure",
n, len=db.tab.len, error, info=bulker.lastError()
return err(error)
if bulker.finish().isErr:
let error = CommitBulkItemsFailed
trace "Rocky hexary commit failure",
len=db.tab.len, error, info=bulker.lastError()
return err(error)
ok()
proc persistentStorageSlotsPut*(
db: HexaryTreeDbRef;
rocky: RocksStoreRef
): Result[void,HexaryDbError]
{.gcsafe, raises: [Defect,OSError,KeyError].} =
## SST based bulk load on `rocksdb`.
if rocky.isNil:
return err(NoRocksDbBackend)
let bulker = RockyBulkLoadRef.init(rocky)
defer: bulker.destroy()
if not bulker.begin(RockyBulkCache):
let error = CannotOpenRocksDbBulkSession
trace "Rocky hexary session initiation failed",
error, info=bulker.lastError()
return err(error)
#let keyList = toSeq(db.tab.keys)
# .filterIt(it.isNodeKey)
# .mapIt(it.convertTo(NodeTag))
# .sorted(cmp)
var
keyList = newSeq[NodeTag](db.tab.len)
inx = 0
for repairKey in db.tab.keys:
if repairKey.isNodeKey:
keyList[inx] = repairKey.convertTo(NodeTag)
inx.inc
if inx < db.tab.len:
return err(UnresolvedRepairNode)
keyList.sort(cmp)
for n,nodeTag in keyList:
let
nodeKey = nodeTag.to(NodeKey)
data = db.tab[nodeKey.to(RepairKey)].convertTo(Blob)
if not bulker.add(nodeKey.toStorageSlotsKey.toOpenArray, data):
let error = AddBulkItemFailed
trace "Rocky hexary bulk load failure",
n, len=db.tab.len, error, info=bulker.lastError()
return err(error)
if bulker.finish().isErr:
let error = CommitBulkItemsFailed
trace "Rocky hexary commit failure",
len=db.tab.len, error, info=bulker.lastError()
return err(error)
ok()
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------