nimbus-eth1/hive_integration/nodocker/engine/node.nim

141 lines
4.5 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,
evm/state,
evm/types,
core/dao,
core/validate,
core/chain/chain_desc,
core/executor/calculate_reward,
core/executor/process_transaction,
core/executor/process_block
],
chronicles,
results
{.push raises: [].}
proc processBlock(
vmState: BaseVMState; ## Parent environment of header/body block
blk: EthBlock; ## Header/body block to add to the blockchain
): Result[void, string] =
## 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.
template header: BlockHeader = blk.header
var dbTx = vmState.com.db.ctx.newTransaction()
defer: dbTx.dispose()
let com = vmState.com
if com.daoForkSupport and
com.daoForkBlock.get == header.number:
vmState.mutateStateDB:
db.applyDAOHardFork()
if header.parentBeaconBlockRoot.isSome:
? vmState.processBeaconBlockRoot(header.parentBeaconBlockRoot.get)
? processTransactions(vmState, header, blk.transactions)
if com.isShanghaiOrLater(header.timestamp):
for withdrawal in blk.withdrawals.get:
vmState.stateDB.addBalance(withdrawal.address, withdrawal.weiAmount)
if header.ommersHash != EMPTY_UNCLE_HASH:
discard com.db.persistUncles(blk.uncles)
# EIP-3675: no reward for miner in POA/POS
if com.consensus == ConsensusType.POW:
vmState.calculateReward(header, blk.uncles)
vmState.mutateStateDB:
let clearEmptyAccount = com.isSpuriousOrLater(header.number)
db.persist(clearEmptyAccount)
dbTx.commit()
ok()
proc getVmState(c: ChainRef, header: BlockHeader):
Result[BaseVMState, void] =
if c.vmState.isNil.not:
return ok(c.vmState)
let vmState = BaseVMState()
if not vmState.init(header, c.com, storeSlotHash = storeSlotHash):
debug "Cannot initialise VmState",
number = header.number
return err()
return ok(vmState)
# A stripped down version of persistBlocks without validation
# intended to accepts invalid block
proc setBlock*(c: ChainRef; blk: EthBlock): Result[void, string] =
template header: BlockHeader = blk.header
let dbTx = c.db.ctx.newTransaction()
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 err("no vmstate")
stateRootChpt = vmState.parent.stateRoot # Check point
? vmState.processBlock(blk)
if not c.db.persistHeader(
header, c.com.consensus == ConsensusType.POS, c.com.startOfHistory):
return err("Could not persist header")
try:
c.db.persistTransactions(header.number, header.txRoot, blk.transactions)
c.db.persistReceipts(header.receiptsRoot, vmState.receipts)
if blk.withdrawals.isSome:
c.db.persistWithdrawals(header.withdrawalsRoot, blk.withdrawals.get)
except CatchableError as exc:
return err(exc.msg)
# update currentBlock *after* we persist it
# so the rpc return consistent result
# between eth_blockNumber and eth_syncing
c.com.syncCurrent = header.number
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.number - 1)
ok()
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------