150 lines
5.1 KiB
Nim
150 lines
5.1 KiB
Nim
# Nimbus
|
|
# Copyright (c) 2024 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
|
|
../../../nimbus/[
|
|
utils/utils,
|
|
common/common,
|
|
constants,
|
|
db/ledger,
|
|
transaction,
|
|
vm_state,
|
|
vm_types,
|
|
core/dao,
|
|
core/validate,
|
|
core/chain/chain_desc,
|
|
core/executor/calculate_reward,
|
|
core/executor/process_transaction,
|
|
core/executor/process_block
|
|
],
|
|
chronicles,
|
|
stint,
|
|
results
|
|
|
|
{.push raises: [].}
|
|
|
|
proc processBlock(
|
|
vmState: BaseVMState; ## Parent environment of header/body block
|
|
header: BlockHeader; ## Header/body block to add to the blockchain
|
|
body: BlockBody): ValidationResult
|
|
{.gcsafe, raises: [CatchableError].} =
|
|
## Generalised function to processes `(header,body)` pair for any network,
|
|
## regardless of PoA or not.
|
|
##
|
|
## Rather than calculating the PoA state change here, it is done with the
|
|
## verification in the `chain/persist_blocks.persistBlocks()` method. So
|
|
## the `poa` descriptor is currently unused and only provided for later
|
|
## implementations (but can be savely removed, as well.)
|
|
## variant of `processBlock()` where the `header` argument is explicitely set.
|
|
|
|
var dbTx = vmState.com.db.beginTransaction()
|
|
defer: dbTx.dispose()
|
|
|
|
if vmState.com.daoForkSupport and
|
|
vmState.com.daoForkBlock.get == header.blockNumber:
|
|
vmState.mutateStateDB:
|
|
db.applyDAOHardFork()
|
|
|
|
if header.parentBeaconBlockRoot.isSome:
|
|
let r = vmState.processBeaconBlockRoot(header.parentBeaconBlockRoot.get)
|
|
if r.isErr:
|
|
error("error in processing beaconRoot", err=r.error)
|
|
|
|
let r = processTransactions(vmState, header, body.transactions)
|
|
if r.isErr:
|
|
error("error in processing transactions", err=r.error)
|
|
|
|
if vmState.determineFork >= FkShanghai:
|
|
for withdrawal in body.withdrawals.get:
|
|
vmState.stateDB.addBalance(withdrawal.address, withdrawal.weiAmount)
|
|
|
|
if header.ommersHash != EMPTY_UNCLE_HASH:
|
|
discard vmState.com.db.persistUncles(body.uncles)
|
|
|
|
# EIP-3675: no reward for miner in POA/POS
|
|
if vmState.com.consensus == ConsensusType.POW:
|
|
vmState.calculateReward(header, body)
|
|
|
|
vmState.mutateStateDB:
|
|
let clearEmptyAccount = vmState.determineFork >= FkSpurious
|
|
db.persist(clearEmptyAccount, ClearCache in vmState.flags)
|
|
|
|
# `applyDeletes = false`
|
|
# If the trie pruning activated, each of the block will have its own state
|
|
# trie keep intact, rather than destroyed by trie pruning. But the current
|
|
# block will still get a pruned trie. If trie pruning deactivated,
|
|
# `applyDeletes` have no effects.
|
|
dbTx.commit(applyDeletes = false)
|
|
|
|
ValidationResult.OK
|
|
|
|
proc getVmState(c: ChainRef, header: BlockHeader):
|
|
Result[BaseVMState, void]
|
|
{.gcsafe, raises: [CatchableError].} =
|
|
if c.vmState.isNil.not:
|
|
return ok(c.vmState)
|
|
|
|
let vmState = BaseVMState()
|
|
if not vmState.init(header, c.com):
|
|
debug "Cannot initialise VmState",
|
|
number = header.blockNumber
|
|
return err()
|
|
return ok(vmState)
|
|
|
|
# A stripped down version of persistBlocks without validation
|
|
# intended to accepts invalid block
|
|
proc setBlock*(c: ChainRef; header: BlockHeader;
|
|
body: BlockBody): ValidationResult
|
|
{.inline, raises: [CatchableError].} =
|
|
let dbTx = c.db.beginTransaction()
|
|
defer: dbTx.dispose()
|
|
|
|
c.com.hardForkTransition(header)
|
|
|
|
# Needed for figuring out whether KVT cleanup is due (see at the end)
|
|
let
|
|
vmState = c.getVmState(header).valueOr:
|
|
return ValidationResult.Error
|
|
stateRootChpt = vmState.parent.stateRoot # Check point
|
|
validationResult = vmState.processBlock(header, body)
|
|
|
|
if validationResult != ValidationResult.OK:
|
|
return validationResult
|
|
|
|
discard c.db.persistHeaderToDb(
|
|
header, c.com.consensus == ConsensusType.POS, c.com.startOfHistory)
|
|
discard c.db.persistTransactions(header.blockNumber, body.transactions)
|
|
discard c.db.persistReceipts(vmState.receipts)
|
|
|
|
if body.withdrawals.isSome:
|
|
discard c.db.persistWithdrawals(body.withdrawals.get)
|
|
|
|
# update currentBlock *after* we persist it
|
|
# so the rpc return consistent result
|
|
# between eth_blockNumber and eth_syncing
|
|
c.com.syncCurrent = header.blockNumber
|
|
|
|
dbTx.commit()
|
|
|
|
# The `c.db.persistent()` call is ignored by the legacy DB which
|
|
# automatically saves persistently when reaching the zero level transaction.
|
|
#
|
|
# For the `Aristo` database, this code position is only reached if the
|
|
# the parent state of the first block (as registered in `headers[0]`) was
|
|
# the canonical state before updating. So this state will be saved with
|
|
# `persistent()` together with the respective block number.
|
|
c.db.persistent(header.blockNumber - 1)
|
|
|
|
ValidationResult.OK
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# End
|
|
# ------------------------------------------------------------------------------
|