140 lines
6.2 KiB
Nim
140 lines
6.2 KiB
Nim
# Nimbus
|
|
# Copyright (c) 2023 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/[options, times],
|
|
chronicles,
|
|
chronos,
|
|
nimcrypto,
|
|
stew/results,
|
|
json_rpc/rpcclient,
|
|
eth/[common/eth_types, p2p],
|
|
./core/chain/chain_desc,
|
|
./core/executor/process_block,
|
|
./db/[core_db, select_backend, ledger],
|
|
./evm/async/[data_sources, operations, data_sources/json_rpc_data_source],
|
|
"."/[vm_state, vm_types]
|
|
|
|
from strutils import parseInt, startsWith
|
|
from common/common import initializeEmptyDb
|
|
|
|
proc coinbasesOfThisBlockAndUncles(header: BlockHeader, body: BlockBody): seq[EthAddress] =
|
|
result.add header.coinbase
|
|
for uncle in body.uncles:
|
|
result.add(uncle.coinbase)
|
|
|
|
proc createVmStateForStatelessMode*(com: CommonRef, header: BlockHeader, body: BlockBody,
|
|
parentHeader: BlockHeader, asyncFactory: AsyncOperationFactory): Result[BaseVMState, string]
|
|
{.inline.} =
|
|
let vmState = BaseVMState()
|
|
if not vmState.statelessInit(parentHeader, header, com, asyncFactory):
|
|
return err("Cannot initialise VmState for block number " & $(header.blockNumber))
|
|
waitFor(ifNecessaryGetAccounts(vmState, coinbasesOfThisBlockAndUncles(header, body)))
|
|
ok(vmState)
|
|
|
|
|
|
|
|
proc statelesslyRunBlock*(asyncDataSource: AsyncDataSource, com: CommonRef, header: BlockHeader, body: BlockBody): Result[Hash256, string] =
|
|
try:
|
|
let t0 = now()
|
|
|
|
# FIXME-Adam: this doesn't feel like the right place for this; where should it go?
|
|
com.db.compensateLegacySetup()
|
|
|
|
let blockHash: Hash256 = header.blockHash
|
|
|
|
let asyncFactory = AsyncOperationFactory(maybeDataSource: some(asyncDataSource))
|
|
|
|
let parentHeader = waitFor(asyncDataSource.fetchBlockHeaderWithHash(header.parentHash))
|
|
com.db.persistHeaderToDbWithoutSetHeadOrScore(parentHeader)
|
|
|
|
info("statelessly running block", blockNumber=header.blockNumber, blockHash=blockHash, parentHash=header.parentHash, parentStateRoot=parentHeader.stateRoot, desiredNewStateRoot=header.stateRoot)
|
|
|
|
let vmState = createVmStateForStatelessMode(com, header, body, parentHeader, asyncFactory).get
|
|
let vres = processBlock(vmState, header, body)
|
|
|
|
let elapsedTime = now() - t0
|
|
|
|
let headerStateRoot = header.stateRoot
|
|
let vmStateRoot = rootHash(vmState.stateDB)
|
|
info("finished statelessly running the block", vres=vres, elapsedTime=elapsedTime, durationSpentDoingFetches=durationSpentDoingFetches, fetchCounter=fetchCounter, headerStateRoot=headerStateRoot, vmStateRoot=vmStateRoot)
|
|
if headerStateRoot != vmStateRoot:
|
|
return err("State roots do not match: header says " & $(headerStateRoot) & ", vmState says " & $(vmStateRoot))
|
|
else:
|
|
if vres == ValidationResult.OK:
|
|
return ok(blockHash)
|
|
else:
|
|
return err("Error while statelessly running a block")
|
|
except:
|
|
let ex = getCurrentException()
|
|
echo getStackTrace(ex)
|
|
error "Got an exception while statelessly running a block", exMsg = ex.msg
|
|
return err("Error while statelessly running a block: " & $(ex.msg))
|
|
|
|
proc statelesslyRunBlock*(asyncDataSource: AsyncDataSource, com: CommonRef, blockHash: Hash256): Result[Hash256, string] =
|
|
let (header, body) = waitFor(asyncDataSource.fetchBlockHeaderAndBodyWithHash(blockHash))
|
|
let r = statelesslyRunBlock(asyncDataSource, com, header, body)
|
|
if r.isErr:
|
|
error("stateless execution failed", hash=blockHash, error=r.error)
|
|
else:
|
|
info("stateless execution succeeded", hash=blockHash, resultingHash=r.value)
|
|
return r
|
|
|
|
proc fetchBlockHeaderAndBodyForHashOrNumber(asyncDataSource: AsyncDataSource, hashOrNum: string): Future[(BlockHeader, BlockBody)] {.async.} =
|
|
if hashOrNum.startsWith("0x"):
|
|
return await asyncDataSource.fetchBlockHeaderAndBodyWithHash(hashOrNum.toHash)
|
|
else:
|
|
return await asyncDataSource.fetchBlockHeaderAndBodyWithNumber(u256(parseInt(hashOrNum)))
|
|
|
|
proc statelesslyRunSequentialBlocks*(asyncDataSource: AsyncDataSource, com: CommonRef, initialBlockNumber: BlockNumber): Result[Hash256, string] =
|
|
info("sequential stateless execution beginning", initialBlockNumber=initialBlockNumber)
|
|
var n = initialBlockNumber
|
|
while true:
|
|
let (header, body) = waitFor(asyncDataSource.fetchBlockHeaderAndBodyWithNumber(n))
|
|
let r = statelesslyRunBlock(asyncDataSource, com, header, body)
|
|
if r.isErr:
|
|
error("stateless execution failed", n=n, h=header.blockHash, error=r.error)
|
|
return r
|
|
else:
|
|
info("stateless execution succeeded", n=n, h=header.blockHash, resultingHash=r.value)
|
|
n = n + 1
|
|
|
|
proc statelesslyRunBlock*(asyncDataSource: AsyncDataSource, com: CommonRef, hashOrNum: string): Result[Hash256, string] =
|
|
let (header, body) = waitFor(fetchBlockHeaderAndBodyForHashOrNumber(asyncDataSource, hashOrNum))
|
|
return statelesslyRunBlock(asyncDataSource, com, header, body)
|
|
|
|
|
|
proc statelesslyRunTransaction*(asyncDataSource: AsyncDataSource, com: CommonRef, headerHash: Hash256, tx: Transaction) =
|
|
let t0 = now()
|
|
|
|
let (header, body) = waitFor(asyncDataSource.fetchBlockHeaderAndBodyWithHash(headerHash))
|
|
|
|
# FIXME-Adam: this doesn't feel like the right place for this; where should it go?
|
|
com.db.compensateLegacySetup()
|
|
|
|
#let blockHash: Hash256 = header.blockHash
|
|
|
|
let transaction = com.db.beginTransaction()
|
|
defer: transaction.rollback() # intentionally throwing away the result of this execution
|
|
|
|
let asyncFactory = AsyncOperationFactory(maybeDataSource: some(asyncDataSource))
|
|
let parentHeader = waitFor(asyncDataSource.fetchBlockHeaderWithHash(header.parentHash))
|
|
com.db.persistHeaderToDbWithoutSetHeadOrScore(parentHeader)
|
|
|
|
let vmState = createVmStateForStatelessMode(com, header, body, parentHeader, asyncFactory).get
|
|
|
|
let r = processTransactions(vmState, header, @[tx])
|
|
if r.isErr:
|
|
error("error statelessly running tx", tx=tx, error=r.error)
|
|
else:
|
|
let elapsedTime = now() - t0
|
|
let gasUsed = vmState.cumulativeGasUsed
|
|
info("finished statelessly running the tx", elapsedTime=elapsedTime, gasUsed=gasUsed)
|