nimbus-eth1/hive_integration/nodocker/engine/withdrawals/wd_base_spec.nim

526 lines
20 KiB
Nim

import
std/[options],
stint,
chronicles,
chronos,
stew/byteutils,
nimcrypto/sysrand,
web3/ethtypes,
./wd_history,
../helper,
../test_env,
../engine_client,
../types,
../base_spec,
../../../nimbus/common/common,
../../../nimbus/utils/utils,
../../../nimbus/common/chain_config,
../../../nimbus/beacon/execution_types,
../../../nimbus/beacon/web3_eth_conv
type
WDBaseSpec* = ref object of BaseSpec
wdBlockCount*: int # Number of blocks on and after withdrawals fork activation
wdPerBlock*: int # Number of withdrawals per block
wdAbleAccountCount*: int # Number of accounts to withdraw to (round-robin)
wdHistory*: WDHistory # Internal withdrawals history that keeps track of all withdrawals
wdAmounts*: seq[uint64] # Amounts of withdrawn wei on each withdrawal (round-robin)
txPerBlock*: Option[int] # Amount of test transactions to include in withdrawal blocks
testCorrupedHashPayloads*: bool # Send a valid payload with corrupted hash
skipBaseVerifications*: bool # For code reuse of the base spec procedure
WithdrawalsForBlock = object
wds*: seq[Withdrawal]
nextIndex*: int
const
WARM_COINBASE_ADDRESS = hexToByteArray[20]("0x0101010101010101010101010101010101010101")
PUSH0_ADDRESS = hexToByteArray[20]("0x0202020202020202020202020202020202020202")
MAINNET_MAX_WITHDRAWAL_COUNT_PER_BLOCK* = 16
TX_CONTRACT_ADDRESSES = [
WARM_COINBASE_ADDRESS,
PUSH0_ADDRESS,
]
# Timestamp delta between genesis and the withdrawals fork
func getWithdrawalsGenesisTimeDelta*(ws: WDBaseSpec): int =
ws.forkHeight * ws.getBlockTimeIncrements()
# Get the start account for all withdrawals.
func getWithdrawalsStartAccount*(ws: WDBaseSpec): UInt256 =
0x1000.u256
# Adds bytecode that unconditionally sets an storage key to specified account range
func addUnconditionalBytecode(g: Genesis, start, stop: UInt256) =
var acc = start
while acc<stop:
let accountAddress = toAddress(acc)
# Bytecode to unconditionally set a storage key
g.alloc[accountAddress] = GenesisAccount(
code: @[
0x60.byte, # PUSH1(0x01)
0x01.byte,
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x55.byte, # SSTORE
0x00.byte, # STOP
], # sstore(0, 1)
nonce: 0.AccountNonce,
balance: 0.u256,
)
acc = acc + 1
func getWithdrawableAccountCount*(ws: WDBaseSpec):int =
if ws.wdAbleAccountCount == 0:
# Withdraw to MAINNET_MAX_WITHDRAWAL_COUNT_PER_BLOCK accounts by default
return MAINNET_MAX_WITHDRAWAL_COUNT_PER_BLOCK
return ws.wdAbleAccountCount
# Append the accounts we are going to withdraw to, which should also include
# bytecode for testing purposes.
func getGenesis*(ws: WDBaseSpec, param: NetworkParams): NetworkParams =
# Remove PoW altogether
param.genesis.difficulty = 0.u256
param.config.terminalTotalDifficulty = some(0.u256)
param.config.clique = CliqueOptions()
param.genesis.extraData = @[]
# Add some accounts to withdraw to with unconditional SSTOREs
let
startAccount = 0x1000.u256
endAccount = (0x1000 + ws.getWithdrawableAccountCount()).u256
addUnconditionalBytecode(param.genesis, startAccount, endAccount)
# Add accounts that use the coinbase (EIP-3651)
let warmCoinbaseCode = [
0x5A.byte, # GAS
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x60.byte, # PUSH1(0x00)
0x00.byte,
0x41.byte, # COINBASE
0x60.byte, # PUSH1(0xFF)
0xFF.byte,
0xF1.byte, # CALL
0x5A.byte, # GAS
0x90.byte, # SWAP1
0x50.byte, # POP - Call result
0x90.byte, # SWAP1
0x03.byte, # SUB
0x60.byte, # PUSH1(0x16) - GAS + PUSH * 6 + COINBASE
0x16.byte,
0x90.byte, # SWAP1
0x03.byte, # SUB
0x43.byte, # NUMBER
0x55.byte, # SSTORE
]
param.genesis.alloc[WARM_COINBASE_ADDRESS] = GenesisAccount(
code: @warmCoinbaseCode,
balance: 0.u256,
)
# Add accounts that use the PUSH0 (EIP-3855)
let push0Code = [
0x43.byte, # NUMBER
0x5F.byte, # PUSH0
0x55.byte, # SSTORE
]
param.genesis.alloc[PUSH0_ADDRESS] = GenesisAccount(
code: @push0Code,
balance: 0.u256,
)
param
func getTransactionCountPerPayload*(ws: WDBaseSpec): int =
ws.txPerBlock.get(16)
proc verifyContractsStorage(ws: WDBaseSpec, env: TestEnv): Result[void, string] =
if ws.getTransactionCountPerPayload() < TX_CONTRACT_ADDRESSES.len:
return
# Assume that forkchoice updated has been already sent
let
latestPayloadNumber = env.clMock.latestExecutedPayload.blockNumber.uint64.u256
r = env.client.storageAt(WARM_COINBASE_ADDRESS, latestPayloadNumber, latestPayloadNumber)
p = env.client.storageAt(PUSH0_ADDRESS, 0.u256, latestPayloadNumber)
if latestPayloadNumber.truncate(int) >= ws.forkHeight:
# Shanghai
r.expectStorageEqual(WARM_COINBASE_ADDRESS, 100.u256) # WARM_STORAGE_READ_COST
p.expectStorageEqual(PUSH0_ADDRESS, latestPayloadNumber) # tx succeeded
else:
# Pre-Shanghai
r.expectStorageEqual(WARM_COINBASE_ADDRESS, 2600.u256) # COLD_ACCOUNT_ACCESS_COST
p.expectStorageEqual(PUSH0_ADDRESS, 0.u256) # tx must've failed
ok()
# Number of blocks to be produced (not counting genesis) before withdrawals
# fork.
func getPreWithdrawalsBlockCount*(ws: WDBaseSpec): int =
if ws.forkHeight == 0:
0
else:
ws.forkHeight - 1
# Number of payloads to be produced (pre and post withdrawals) during the entire test
func getTotalPayloadCount*(ws: WDBaseSpec): int =
ws.getPreWithdrawalsBlockCount() + ws.wdBlockCount
# Generates a list of withdrawals based on current configuration
func generateWithdrawalsForBlock*(ws: WDBaseSpec, nextIndex: int, startAccount: UInt256): WithdrawalsForBlock =
let
differentAccounts = ws.getWithdrawableAccountCount()
var wdAmounts = ws.wdAmounts
if wdAmounts.len == 0:
wdAmounts.add(1)
for i in 0 ..< ws.wdPerBlock:
let
nextAccount = startAccount + (nextIndex mod differentAccounts).u256
nextWithdrawal = Withdrawal(
index: nextIndex.uint64,
validatorIndex: nextIndex.uint64,
address: nextAccount.toAddress,
amount: wdAmounts[nextIndex mod wdAmounts.len]
)
result.wds.add nextWithdrawal
inc result.nextIndex
# Base test case execution procedure for withdrawals
proc execute*(ws: WDBaseSpec, env: TestEnv): bool =
result = true
let ok = waitFor env.clMock.waitForTTD()
testCond ok
# Check if we have pre-Shanghai blocks
if ws.getForkTime() > GenesisTimestamp:
# Check `latest` during all pre-shanghai blocks, none should
# contain `withdrawalsRoot`, including genesis.
# Genesis should not contain `withdrawalsRoot` either
var h: common.BlockHeader
let r = env.client.latestHeader(h)
testCond r.isOk:
error "failed to ge latest header", msg=r.error
testCond h.withdrawalsRoot.isNone:
error "genesis should not contains wdsRoot"
else:
# Genesis is post shanghai, it should contain EmptyWithdrawalsRoot
var h: common.BlockHeader
let r = env.client.latestHeader(h)
testCond r.isOk:
error "failed to ge latest header", msg=r.error
testCond h.withdrawalsRoot.isSome:
error "genesis should contains wdsRoot"
testCond h.withdrawalsRoot.get == EMPTY_ROOT_HASH:
error "genesis should contains wdsRoot==EMPTY_ROOT_HASH"
# Produce any blocks necessary to reach withdrawals fork
var pbRes = env.clMock.produceBlocks(ws.getPreWithdrawalsBlockCount, BlockProcessCallbacks(
onPayloadProducerSelected: proc(): bool =
# Send some transactions
let numTx = ws.getTransactionCountPerPayload()
for i in 0..<numTx:
let destAddr = TX_CONTRACT_ADDRESSES[i mod TX_CONTRACT_ADDRESSES.len]
let ok = env.sendNextTx(
env.clMock.nextBlockProducer,
BaseTx(
recipient: some(destAddr),
amount: 1.u256,
txType: ws.txType,
gasLimit: 75000.GasInt,
))
testCond ok:
error "Error trying to send transaction"
if not ws.skipBaseVerifications:
# Try to send a ForkchoiceUpdatedV2 with non-null
# withdrawals before Shanghai
var r = env.client.forkchoiceUpdatedV2(
ForkchoiceStateV1(
headBlockHash: w3Hash env.clMock.latestHeader,
),
some(PayloadAttributes(
timestamp: w3Qty(env.clMock.latestHeader.timestamp, ws.getBlockTimeIncrements()),
prevRandao: w3PrevRandao(),
suggestedFeeRecipient: w3Address(),
withdrawals: some(newSeq[WithdrawalV1]()),
))
)
let expectationDescription = "Sent pre-shanghai Forkchoice using ForkchoiceUpdatedV2 + Withdrawals, error is expected"
r.expectErrorCode(engineApiInvalidParams, expectationDescription)
# Send a valid Pre-Shanghai request using ForkchoiceUpdatedV2
# (clMock uses V1 by default)
r = env.client.forkchoiceUpdatedV2(
ForkchoiceStateV1(
headBlockHash: w3Hash env.clMock.latestHeader,
),
some(PayloadAttributes(
timestamp: w3Qty(env.clMock.latestHeader.timestamp, ws.getBlockTimeIncrements()),
prevRandao: w3PrevRandao(),
suggestedFeeRecipient: w3Address(),
withdrawals: none(seq[WithdrawalV1]),
))
)
let expectationDescription2 = "Sent pre-shanghai Forkchoice ForkchoiceUpdatedV2 + null withdrawals, no error is expected"
r.expectNoError(expectationDescription2)
return true
,
onGetPayload: proc(): bool =
if not ws.skipBaseVerifications:
# Try to get the same payload but use `engine_getPayloadV2`
let g = env.client.getPayloadV2(env.clMock.nextPayloadID)
g.expectPayload(env.clMock.latestPayloadBuilt)
# Send produced payload but try to include non-nil
# `withdrawals`, it should fail.
let emptyWithdrawalsList = newSeq[Withdrawal]()
let customizer = CustomPayload(
withdrawals: some(emptyWithdrawalsList),
beaconRoot: ethHash env.clMock.latestPayloadAttributes.parentBeaconBlockRoot
)
let payloadPlusWithdrawals = customizePayload(env.clMock.latestPayloadBuilt, customizer)
var r = env.client.newPayloadV2(payloadPlusWithdrawals.V1V2)
#r.ExpectationDescription = "Sent pre-shanghai payload using NewPayloadV2+Withdrawals, error is expected"
r.expectErrorCode(engineApiInvalidParams)
# Send valid ExecutionPayloadV1 using engine_newPayloadV2
r = env.client.newPayloadV2(env.clMock.latestPayloadBuilt.V1V2)
#r.ExpectationDescription = "Sent pre-shanghai payload using NewPayloadV2, no error is expected"
r.expectStatus(valid)
return true
,
onNewPayloadBroadcast: proc(): bool =
if not ws.skipBaseVerifications:
# We sent a pre-shanghai FCU.
# Keep expecting `nil` until Shanghai.
var h: common.BlockHeader
let r = env.client.latestHeader(h)
#r.ExpectationDescription = "Requested "latest" block expecting block to contain
#" withdrawalRoot=nil, because (block %d).timestamp < shanghaiTime
r.expectWithdrawalsRoot(h, none(common.Hash256))
return true
,
onForkchoiceBroadcast: proc(): bool =
if not ws.skipBaseVerifications:
let r = ws.verifyContractsStorage(env)
testCond r.isOk:
error "verifyContractsStorage error", msg=r.error
return true
))
testCond pbRes
# Produce requested post-shanghai blocks
# (At least 1 block will be produced after this procedure ends).
var
startAccount = ws.getWithdrawalsStartAccount()
nextIndex = 0
pbRes = env.clMock.produceBlocks(ws.wdBlockCount, BlockProcessCallbacks(
onPayloadProducerSelected: proc(): bool =
if not ws.skipBaseVerifications:
# Try to send a PayloadAttributesV1 with null withdrawals after
# Shanghai
let r = env.client.forkchoiceUpdatedV2(
ForkchoiceStateV1(
headBlockHash: w3Hash env.clMock.latestHeader,
),
some(PayloadAttributes(
timestamp: w3Qty(env.clMock.latestHeader.timestamp, ws.getBlockTimeIncrements()),
prevRandao: w3PrevRandao(),
suggestedFeeRecipient: w3Address(),
withdrawals: none(seq[WithdrawalV1]),
))
)
let expectationDescription = "Sent shanghai fcu using PayloadAttributesV1, error is expected"
r.expectErrorCode(engineApiInvalidParams, expectationDescription)
# Send some withdrawals
let wfb = ws.generateWithdrawalsForBlock(nextIndex, startAccount)
env.clMock.nextWithdrawals = some(w3Withdrawals wfb.wds)
ws.wdHistory.put(env.clMock.currentPayloadNumber, wfb.wds)
# Send some transactions
let numTx = ws.getTransactionCountPerPayload()
for i in 0..<numTx:
let destAddr = TX_CONTRACT_ADDRESSES[i mod TX_CONTRACT_ADDRESSES.len]
let ok = env.sendNextTx(
env.clMock.nextBlockProducer,
BaseTx(
recipient: some(destAddr),
amount: 1.u256,
txType: ws.txType,
gasLimit: 75000.GasInt,
))
testCond ok:
error "Error trying to send transaction"
return true
,
onGetPayload: proc(): bool =
if not ws.skipBaseVerifications:
# Send invalid `ExecutionPayloadV1` by replacing withdrawals list
# with null, and client must respond with `InvalidParamsError`.
# Note that StateRoot is also incorrect but null withdrawals should
# be checked first instead of responding `INVALID`
let customizer = CustomPayload(
removeWithdrawals: true,
beaconRoot: ethHash env.clMock.latestPayloadAttributes.parentBeaconBlockRoot
)
let nilWithdrawalsPayload = customizePayload(env.clMock.latestPayloadBuilt, customizer)
let r = env.client.newPayloadV2(nilWithdrawalsPayload.V1V2)
#r.ExpectationDescription = "Sent shanghai payload using ExecutionPayloadV1, error is expected"
r.expectErrorCode(engineApiInvalidParams)
# Verify the list of withdrawals returned on the payload built
# completely matches the list provided in the
# engine_forkchoiceUpdatedV2 method call
let res = ws.wdHistory.get(env.clMock.currentPayloadNumber)
doAssert(res.isOk, "withdrawals sent list was not saved")
let sentList = res.get
let wdList = env.clMock.latestPayloadBuilt.withdrawals.get
testCond sentList.len == wdList.len:
error "Incorrect list of withdrawals on built payload",
want=sentList.len,
get=wdList.len
for i, x in sentList:
let z = ethWithdrawal wdList[i]
testCond z == x:
error "Incorrect withdrawal", index=i
return true
,
onNewPayloadBroadcast: proc(): bool =
# Check withdrawal addresses and verify withdrawal balances
# have not yet been applied
if not ws.skipBaseVerifications:
let addrList = ws.wdHistory.getAddressesWithdrawnOnBlock(env.clMock.latestExecutedPayload.blockNumber.uint64)
for address in addrList:
# Test balance at `latest`, which should not yet have the
# withdrawal applied.
let expectedAccountBalance = ws.wdHistory.getExpectedAccountBalance(
address,
env.clMock.latestExecutedPayload.blockNumber.uint64-1)
let r = env.client.balanceAt(address)
#r.ExpectationDescription = fmt.Sprintf(`
# Requested balance for account %s on "latest" block
# after engine_newPayloadV2, expecting balance to be equal
# to value on previous block (%d), since the new payload
# has not yet been applied.
# `,
# addr,
# env.clMock.LatestExecutedPayload.Number-1,
#)
r.expectBalanceEqual(expectedAccountBalance)
if ws.testCorrupedHashPayloads:
var payload = env.clMock.latestExecutedPayload
# Corrupt the hash
var randomHash: common.Hash256
testCond randomBytes(randomHash.data) == 32
payload.blockHash = w3Hash randomHash
# On engine_newPayloadV2 `INVALID_BLOCK_HASH` is deprecated
# in favor of reusing `INVALID`
let n = env.client.newPayloadV2(payload.V1V2)
n.expectStatus(invalid)
return true
,
onForkchoiceBroadcast: proc(): bool =
# Check withdrawal addresses and verify withdrawal balances
# have been applied
if not ws.skipBaseVerifications:
let addrList = ws.wdHistory.getAddressesWithdrawnOnBlock(env.clMock.latestExecutedPayload.blockNumber.uint64)
for address in addrList:
# Test balance at `latest`, which should have the
# withdrawal applied.
let r = env.client.balanceAt(address)
#r.ExpectationDescription = fmt.Sprintf(`
# Requested balance for account %s on "latest" block
# after engine_forkchoiceUpdatedV2, expecting balance to
# be equal to value on latest payload (%d), since the new payload
# has not yet been applied.
# `,
# addr,
# env.clMock.LatestExecutedPayload.Number,
#)
let expectedAccountBalance = ws.wdHistory.getExpectedAccountBalance(
address,
env.clMock.latestExecutedPayload.blockNumber.uint64)
r.expectBalanceEqual(expectedAccountBalance)
let wds = ws.wdHistory.getWithdrawals(env.clMock.latestExecutedPayload.blockNumber.uint64)
let expectedWithdrawalsRoot = some(calcWithdrawalsRoot(wds.list))
# Check the correct withdrawal root on `latest` block
var h: common.BlockHeader
let r = env.client.latestHeader(h)
#r.ExpectationDescription = fmt.Sprintf(`
# Requested "latest" block after engine_forkchoiceUpdatedV2,
# to verify withdrawalsRoot with the following withdrawals:
# %s`, jsWithdrawals)
r.expectWithdrawalsRoot(h, expectedWithdrawalsRoot)
let res = ws.verifyContractsStorage(env)
testCond res.isOk:
error "verifyContractsStorage error", msg=res.error
return true
))
testCond pbRes
# Iterate over balance history of withdrawn accounts using RPC and
# check that the balances match expected values.
# Also check one block before the withdrawal took place, verify that
# withdrawal has not been updated.
if not ws.skipBaseVerifications:
let maxBlock = env.clMock.latestExecutedPayload.blockNumber.uint64
for bn in 0..maxBlock:
let res = ws.wdHistory.verifyWithdrawals(bn, some(bn.u256), env.client)
testCond res.isOk:
error "verify wd error", msg=res.error
# Check the correct withdrawal root on past blocks
var h: common.BlockHeader
let r = env.client.headerByNumber(bn, h)
var expectedWithdrawalsRoot: Option[common.Hash256]
if bn >= ws.forkHeight.uint64:
let wds = ws.wdHistory.getWithdrawals(bn)
expectedWithdrawalsRoot = some(calcWithdrawalsRoot(wds.list))
#r.ExpectationDescription = fmt.Sprintf(`
# Requested block %d to verify withdrawalsRoot with the
# following withdrawals:
# %s`, block, jsWithdrawals)
r.expectWithdrawalsRoot(h, expectedWithdrawalsRoot)
# Verify on `latest`
let bnu = env.clMock.latestExecutedPayload.blockNumber.uint64
let res = ws.wdHistory.verifyWithdrawals(bnu, none(UInt256), env.client)
testCond res.isOk:
error "verify wd error", msg=res.error