More witness fixes (#2009)
* Update experimental rpc test to do further validation on proof responses. * Enable zero value storage slots in the witness cache data so that proofs will be returned when a storage slot is updated to zero. Refactor and simplify implementation of getProofs endpoint. * Improve test validation. * Minor fixes and added test to track the changes introduced in every block using a local state. * Refactor and cleanup test. * Comments added to test and account cache fixes applied to account ledger. * Return updated storage slots even when storage is empty and add test to build. * Fix copyright and remove incorrect depth check during witness building in writeShortRlp assertion.
This commit is contained in:
web3-developer
GitHub
parent
2c35390bdf
commit
93fb4c8f59
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@ -1,5 +1,5 @@
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# Nimbus
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# Copyright (c) 2023 Status Research & Development GmbH
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# Copyright (c) 2023-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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@ -664,11 +664,6 @@ func update(wd: var WitnessData, acc: RefAccount) =
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wd.storageKeys.incl k
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for k, v in acc.overlayStorage:
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if v.isZero and k notin wd.storageKeys:
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continue
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if v.isZero and k in wd.storageKeys:
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wd.storageKeys.excl k
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continue
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wd.storageKeys.incl k
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func witnessData(acc: RefAccount): WitnessData =
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@ -707,11 +707,6 @@ proc update(wd: var WitnessData, acc: AccountRef) =
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wd.storageKeys.incl k
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for k, v in acc.overlayStorage:
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if v.isZero and k notin wd.storageKeys:
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continue
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if v.isZero and k in wd.storageKeys:
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wd.storageKeys.excl k
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continue
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wd.storageKeys.incl k
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proc witnessData(acc: AccountRef): WitnessData =
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@ -16,14 +16,13 @@ import
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../[transaction, vm_state, constants, vm_types],
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../db/state_db,
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rpc_types, rpc_utils,
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../core/tx_pool,
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../common/common,
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../utils/utils,
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../beacon/web3_eth_conv,
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./filters,
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../core/executor/process_block,
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../db/ledger,
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../../stateless/[witness_verification, witness_types],
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../../stateless/[witness_verification, witness_types, multi_keys],
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./p2p
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type
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@ -33,7 +32,7 @@ type
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proc getBlockWitness*(
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com: CommonRef,
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blockHeader: BlockHeader,
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statePostExecution: bool): (KeccakHash, BlockWitness, WitnessFlags)
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statePostExecution: bool): (MultikeysRef, BlockWitness)
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{.raises: [RlpError, BlockNotFound, ValueError, CatchableError].} =
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let
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@ -44,7 +43,6 @@ proc getBlockWitness*(
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# Once we enable pruning we will need to check if the block state has been pruned
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# before trying to initialize the VM as we do here.
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vmState = BaseVMState.new(blockHeader, com)
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flags = if vmState.fork >= FKSpurious: {wfEIP170} else: {}
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vmState.generateWitness = true # Enable saving witness data
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vmState.com.hardForkTransition(blockHeader)
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@ -59,34 +57,27 @@ proc getBlockWitness*(
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let mkeys = vmState.stateDB.makeMultiKeys()
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if statePostExecution:
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result = (vmState.stateDB.rootHash, vmState.buildWitness(mkeys), flags)
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result = (mkeys, vmState.buildWitness(mkeys))
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else:
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# Reset state to what it was before executing the block of transactions
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# Use the initial state from prior to executing the block of transactions
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let initialState = BaseVMState.new(blockHeader, com)
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result = (initialState.stateDB.rootHash, initialState.buildWitness(mkeys), flags)
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result = (mkeys, initialState.buildWitness(mkeys))
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dbTx.rollback()
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proc getBlockProofs*(
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accDB: ReadOnlyStateDB,
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witnessRoot: KeccakHash,
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witness: BlockWitness,
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flags: WitnessFlags): seq[ProofResponse] {.raises: [RlpError].} =
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mkeys: MultikeysRef): seq[ProofResponse] {.raises: [RlpError].} =
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if witness.len() == 0:
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return @[]
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var blockProofs = newSeq[ProofResponse]()
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let verifyWitnessResult = verifyWitness(witnessRoot, witness, flags)
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doAssert verifyWitnessResult.isOk()
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for keyData in mkeys.keys:
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let address = keyData.address
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var slots = newSeq[UInt256]()
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var blockProofs = newSeqOfCap[ProofResponse](verifyWitnessResult.value().len())
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for address, account in verifyWitnessResult.value():
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var slots = newSeqOfCap[UInt256](account.storage.len())
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for slotKey, _ in account.storage:
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slots.add(slotKey)
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if not keyData.storageKeys.isNil and accDB.accountExists(address):
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for slotData in keyData.storageKeys.keys:
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slots.add(fromBytesBE(UInt256, slotData.storageSlot))
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blockProofs.add(getProof(accDB, address, slots))
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@ -111,7 +102,7 @@ proc setupExpRpc*(com: CommonRef, server: RpcServer) =
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let
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blockHeader = chainDB.headerFromTag(quantityTag)
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(_, witness, _) = getBlockWitness(com, blockHeader, statePostExecution)
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(_, witness) = getBlockWitness(com, blockHeader, statePostExecution)
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return witness
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@ -124,11 +115,11 @@ proc setupExpRpc*(com: CommonRef, server: RpcServer) =
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let
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blockHeader = chainDB.headerFromTag(quantityTag)
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(witnessRoot, witness, flags) = getBlockWitness(com, blockHeader, statePostExecution)
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(mkeys, _) = getBlockWitness(com, blockHeader, statePostExecution)
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let accDB = if statePostExecution:
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getStateDB(blockHeader)
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else:
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getStateDB(chainDB.getBlockHeader(blockHeader.parentHash))
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return getBlockProofs(accDB, witnessRoot, witness, flags)
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return getBlockProofs(accDB, mkeys)
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@ -1,5 +1,5 @@
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# Nimbus
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# Copyright (c) 2020-2023 Status Research & Development GmbH
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# Copyright (c) 2020-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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@ -166,7 +166,7 @@ proc writeHashNode(wb: var WitnessBuilder, node: openArray[byte], depth: int, st
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proc writeShortRlp(wb: var WitnessBuilder, node: openArray[byte], depth: int, storageMode: bool)
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{.gcsafe, raises: [IOError].} =
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doAssert(node.len < 32 and depth >= 9 and storageMode)
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doAssert(node.len < 32 and storageMode)
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wb.writeByte(HashNodeType)
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wb.writeByte(ShortRlpPrefix)
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wb.writeByte(node.len)
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@ -205,10 +205,7 @@ proc testGetBlockWitness(chain: ChainRef, parentHeader, currentHeader: BlockHead
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if currentStateRoot != currentHeader.stateRoot:
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raise newException(ValidationError, "Expected currentStateRoot == currentHeader.stateRoot")
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# run getBlockWitness and check that the witnessRoot matches the parent stateRoot
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let (witnessRoot, witness, flags) = getBlockWitness(chain.com, currentHeader, false)
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if witnessRoot != parentHeader.stateRoot:
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raise newException(ValidationError, "Expected witnessRoot == parentHeader.stateRoot")
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let (mkeys, witness) = getBlockWitness(chain.com, currentHeader, false)
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# check that the vmstate hasn't changed after call to getBlockWitness
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if chain.vmstate.stateDB.rootHash != currentHeader.stateRoot:
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@ -218,14 +215,14 @@ proc testGetBlockWitness(chain: ChainRef, parentHeader, currentHeader: BlockHead
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if witness.len() > 0:
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let fgs = if chain.vmState.fork >= FKSpurious: {wfEIP170} else: {}
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var tb = initTreeBuilder(witness, chain.com.db, fgs)
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let treeRoot = tb.buildTree()
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if treeRoot != witnessRoot:
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raise newException(ValidationError, "Expected treeRoot == witnessRoot")
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let witnessRoot = tb.buildTree()
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if witnessRoot != parentHeader.stateRoot:
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raise newException(ValidationError, "Expected witnessRoot == parentHeader.stateRoot")
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# use the witness to build the block proofs
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# use the MultikeysRef to build the block proofs
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let
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ac = newAccountStateDB(chain.com.db, currentHeader.stateRoot, chain.com.pruneTrie)
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blockProofs = getBlockProofs(state_db.ReadOnlyStateDB(ac), witnessRoot, witness, flags)
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blockProofs = getBlockProofs(state_db.ReadOnlyStateDB(ac), mkeys)
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if witness.len() == 0 and blockProofs.len() != 0:
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raise newException(ValidationError, "Expected blockProofs.len() == 0")
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@ -13,6 +13,7 @@ import
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../nimbus/core/chain,
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../nimbus/common/common,
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../nimbus/rpc,
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../../nimbus/db/[ledger, core_db],
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../stateless/[witness_verification, witness_types],
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./rpc/experimental_rpc_client
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@ -56,11 +57,16 @@ proc importBlockData(node: JsonNode): (CommonRef, Hash256, Hash256, UInt256) {.
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return (com, parent.stateRoot, header.stateRoot, blockNumber)
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proc checkAndValidateWitnessAgainstProofs(
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db: CoreDbRef,
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parentStateRoot: KeccakHash,
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expectedStateRoot: KeccakHash,
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witness: seq[byte],
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proofs: seq[ProofResponse]) =
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let verifyWitnessResult = verifyWitness(expectedStateRoot, witness, {wfNoFlag})
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let
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stateDB = AccountsCache.init(db, parentStateRoot, false)
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verifyWitnessResult = verifyWitness(expectedStateRoot, witness, {wfNoFlag})
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check verifyWitnessResult.isOk()
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let witnessData = verifyWitnessResult.value()
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@ -68,25 +74,60 @@ proc checkAndValidateWitnessAgainstProofs(
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witness.len() > 0
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proofs.len() > 0
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witnessData.len() > 0
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witnessData.len() == proofs.len()
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for proof in proofs:
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let
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address = proof.address.ethAddr()
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balance = proof.balance
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nonce = proof.nonce.uint64
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codeHash = proof.codeHash.toHash256()
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storageHash = proof.storageHash.toHash256()
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slotProofs = proof.storageProof
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if witnessData.contains(address):
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let
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storageData = witnessData[address].storage
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code = witnessData[address].code
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check:
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witnessData.contains(address)
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witnessData[address].account.balance == proof.balance
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witnessData[address].account.nonce == proof.nonce.uint64
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witnessData[address].account.codeHash == proof.codeHash.toHash256()
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storageData.len() == slotProofs.len()
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witnessData[address].account.balance == balance
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witnessData[address].account.nonce == nonce
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witnessData[address].account.codeHash == codeHash
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for slotProof in slotProofs:
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check:
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storageData.contains(slotProof.key)
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storageData[slotProof.key] == slotProof.value
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if storageData.contains(slotProof.key):
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check storageData[slotProof.key] == slotProof.value
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if code.len() > 0:
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stateDB.setCode(address, code)
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stateDB.setBalance(address, balance)
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stateDB.setNonce(address, nonce)
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for slotProof in slotProofs:
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stateDB.setStorage(address, slotProof.key, slotProof.value)
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# the account doesn't exist due to a self destruct
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if codeHash == ZERO_HASH256 and storageHash == ZERO_HASH256:
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stateDB.deleteAccount(address)
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stateDB.persist()
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check stateDB.getBalance(address) == balance
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check stateDB.getNonce(address) == nonce
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if codeHash == ZERO_HASH256 or codeHash == EMPTY_SHA3:
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check stateDB.getCode(address).len() == 0
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check stateDB.getCodeHash(address) == EMPTY_SHA3
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else:
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check stateDB.getCodeHash(address) == codeHash
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if storageHash == ZERO_HASH256 or storageHash == EMPTY_ROOT_HASH:
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check stateDB.getStorageRoot(address) == EMPTY_ROOT_HASH
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else:
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check stateDB.getStorageRoot(address) == storageHash
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check stateDB.rootHash == expectedStateRoot
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proc importBlockDataFromFile(file: string): (CommonRef, Hash256, Hash256, UInt256) {. raises: [].} =
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try:
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@ -100,8 +141,6 @@ proc rpcExperimentalJsonMain*() =
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suite "rpc experimental json tests":
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# The commented out json files below are failing due to hitting the RPC client and
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# server defaultMaxRequestLength. Currently the limit is set to around 128kb.
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let importFiles = [
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"block97.json",
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"block98.json",
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@ -174,11 +213,11 @@ proc rpcExperimentalJsonMain*() =
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witness = await client.exp_getWitnessByBlockNumber("latest", false)
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proofs = await client.exp_getProofsByBlockNumber("latest", false)
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checkAndValidateWitnessAgainstProofs(parentStateRoot, witness, proofs)
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checkAndValidateWitnessAgainstProofs(com.db, parentStateRoot, parentStateRoot, witness, proofs)
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test "exp_getWitnessByBlockNumber and exp_getProofsByBlockNumber - latest block post-execution state":
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for file in importFiles:
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let (com, _, stateRoot, _) = importBlockDataFromFile(file)
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let (com, parentStateRoot, stateRoot, _) = importBlockDataFromFile(file)
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setupExpRpc(com, rpcServer)
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@ -186,7 +225,7 @@ proc rpcExperimentalJsonMain*() =
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witness = await client.exp_getWitnessByBlockNumber("latest", true)
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proofs = await client.exp_getProofsByBlockNumber("latest", true)
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checkAndValidateWitnessAgainstProofs(stateRoot, witness, proofs)
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checkAndValidateWitnessAgainstProofs(com.db, parentStateRoot, stateRoot, witness, proofs)
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test "exp_getWitnessByBlockNumber and exp_getProofsByBlockNumber - block by number pre-execution state":
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for file in importFiles:
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@ -200,12 +239,12 @@ proc rpcExperimentalJsonMain*() =
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witness = await client.exp_getWitnessByBlockNumber(blockNum, false)
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proofs = await client.exp_getProofsByBlockNumber(blockNum, false)
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checkAndValidateWitnessAgainstProofs(parentStateRoot, witness, proofs)
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checkAndValidateWitnessAgainstProofs(com.db, parentStateRoot, parentStateRoot, witness, proofs)
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test "exp_getWitnessByBlockNumber and exp_getProofsByBlockNumber - block by number post-execution state":
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for file in importFiles:
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let
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(com, _, stateRoot, blockNumber) = importBlockDataFromFile(file)
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(com, parentStateRoot, stateRoot, blockNumber) = importBlockDataFromFile(file)
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blockNum = blockId(blockNumber.truncate(uint64))
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setupExpRpc(com, rpcServer)
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@ -214,7 +253,7 @@ proc rpcExperimentalJsonMain*() =
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witness = await client.exp_getWitnessByBlockNumber(blockNum, true)
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proofs = await client.exp_getProofsByBlockNumber(blockNum, true)
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checkAndValidateWitnessAgainstProofs(stateRoot, witness, proofs)
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checkAndValidateWitnessAgainstProofs(com.db, parentStateRoot, stateRoot, witness, proofs)
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test "exp_getWitnessByBlockNumber and exp_getProofsByBlockNumber - block by number that doesn't exist":
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for file in importFiles:
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@ -254,11 +293,10 @@ proc rpcExperimentalJsonMain*() =
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for proof in proofs:
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let address = ethAddr(proof.address)
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# if the storage was updated on an existing contract
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# if the storage was read or updated on an existing contract
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if proof.storageProof.len() > 0 and witnessData.contains(address):
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check witnessData[address].code.len() > 0
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waitFor rpcServer.stop()
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waitFor rpcServer.closeWait()
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|
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|
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@ -0,0 +1,174 @@
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# Nimbus
|
||||
# Copyright (c) 2024 Status Research & Development GmbH
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||||
# 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)
|
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
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|
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# This test is intended to be run manually against a running instance of Nimbus-Eth1
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# so it should not be added to the test runner or to the CI test suite.
|
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#
|
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# It uses the exp_getProofsByBlockNumber endpoint to get the list of state updates
|
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# for each block, it then applies these updates against a local test state and
|
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# then checks the state root against the expected state root which is pulled from
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# the block header. The local test state is persisted to disk so that the data can
|
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# be re-used between separate test runs. The default database directory is the
|
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# current directory but this can be changed by setting the DATABASE_PATH const below.
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#
|
||||
# To run the test:
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# 1. Sync Nimbus up to or past the block number/s that you wish to test against.
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# You can use the premix persist tool to do this if Nimbus is not able to sync.
|
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# 2. Start Nimbus with the http RPC-API enabled with the 'eth' and 'exp' namespaces
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# turned on using this command: build/nimbus --rpc --rpc-api=eth,exp
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# 3. Start the test.
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|
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import
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std/tables,
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unittest2,
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web3/eth_api,
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json_rpc/rpcclient,
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stew/byteutils,
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../nimbus/core/chain,
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../nimbus/common/common,
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../nimbus/rpc,
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../../nimbus/db/[core_db, core_db/persistent, state_db/base],
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../stateless/[witness_verification, witness_types],
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./rpc/experimental_rpc_client
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|
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const
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RPC_HOST = "127.0.0.1"
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RPC_PORT = Port(8545)
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DATABASE_PATH = "."
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START_BLOCK = 330_000
|
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END_BLOCK = 1_000_000
|
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|
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type
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Hash256 = eth_types.Hash256
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|
||||
template ethAddr*(x: Address): EthAddress =
|
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EthAddress x
|
||||
|
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template toHash256(hash: untyped): Hash256 =
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fromHex(Hash256, hash.toHex())
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|
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proc updateStateUsingProofsAndCheckStateRoot(
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stateDB: AccountStateDB,
|
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expectedStateRoot: Hash256,
|
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witness: seq[byte],
|
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proofs: seq[ProofResponse]) =
|
||||
|
||||
let verifyWitnessResult = verifyWitness(expectedStateRoot, witness, {wfNoFlag})
|
||||
check verifyWitnessResult.isOk()
|
||||
let witnessData = verifyWitnessResult.value()
|
||||
|
||||
check:
|
||||
witness.len() > 0
|
||||
proofs.len() > 0
|
||||
witnessData.len() > 0
|
||||
|
||||
for proof in proofs:
|
||||
let
|
||||
address = proof.address.ethAddr()
|
||||
balance = proof.balance
|
||||
nonce = proof.nonce.uint64
|
||||
codeHash = proof.codeHash.toHash256()
|
||||
storageHash = proof.storageHash.toHash256()
|
||||
slotProofs = proof.storageProof
|
||||
|
||||
if witnessData.contains(address):
|
||||
|
||||
let
|
||||
storageData = witnessData[address].storage
|
||||
code = witnessData[address].code
|
||||
|
||||
check:
|
||||
witnessData[address].account.balance == balance
|
||||
witnessData[address].account.nonce == nonce
|
||||
witnessData[address].account.codeHash == codeHash
|
||||
|
||||
for slotProof in slotProofs:
|
||||
if storageData.contains(slotProof.key):
|
||||
check storageData[slotProof.key] == slotProof.value
|
||||
|
||||
if code.len() > 0:
|
||||
stateDB.setCode(address, code)
|
||||
|
||||
if (balance == 0 and nonce == 0 and codeHash == ZERO_HASH256 and storageHash == ZERO_HASH256):
|
||||
# Account doesn't exist:
|
||||
# The account was deleted due to a self destruct and the data no longer exists in the state.
|
||||
# The RPC API correctly returns zeroed values in this scenario which is the same behavior
|
||||
# implemented by geth.
|
||||
stateDB.setCode(address, @[])
|
||||
stateDB.clearStorage(address)
|
||||
stateDB.deleteAccount(address)
|
||||
elif (balance == 0 and nonce == 0 and codeHash == EMPTY_SHA3 and storageHash == EMPTY_ROOT_HASH):
|
||||
# Account exists but is empty:
|
||||
# The account was deleted due to a self destruct or the storage was cleared/set to zero
|
||||
# and the bytecode is empty.
|
||||
# The RPC API correctly returns codeHash == EMPTY_SHA3 and storageHash == EMPTY_ROOT_HASH
|
||||
# in this scenario which is the same behavior implemented by geth.
|
||||
stateDB.setCode(address, @[])
|
||||
stateDB.clearStorage(address)
|
||||
stateDB.setBalance(address, 0.u256)
|
||||
stateDB.setNonce(address, 0)
|
||||
else:
|
||||
# Account exists and is not empty:
|
||||
stateDB.setBalance(address, balance)
|
||||
stateDB.setNonce(address, nonce)
|
||||
for slotProof in slotProofs:
|
||||
stateDB.setStorage(address, slotProof.key, slotProof.value)
|
||||
|
||||
check stateDB.getBalance(address) == balance
|
||||
check stateDB.getNonce(address) == nonce
|
||||
|
||||
if codeHash == ZERO_HASH256 or codeHash == EMPTY_SHA3:
|
||||
check stateDB.getCode(address).len() == 0
|
||||
check stateDB.getCodeHash(address) == EMPTY_SHA3
|
||||
else:
|
||||
check stateDB.getCodeHash(address) == codeHash
|
||||
|
||||
if storageHash == ZERO_HASH256 or storageHash == EMPTY_ROOT_HASH:
|
||||
check stateDB.getStorageRoot(address) == EMPTY_ROOT_HASH
|
||||
else:
|
||||
check stateDB.getStorageRoot(address) == storageHash
|
||||
|
||||
check stateDB.rootHash == expectedStateRoot
|
||||
|
||||
proc rpcGetProofsTrackStateChangesMain*() =
|
||||
|
||||
suite "rpc getProofs track state changes tests":
|
||||
|
||||
let client = newRpcHttpClient()
|
||||
waitFor client.connect(RPC_HOST, RPC_PORT, secure = false)
|
||||
|
||||
test "Test tracking the changes introduced in every block":
|
||||
|
||||
let com = CommonRef.new(newCoreDbRef(LegacyDbPersistent, DATABASE_PATH), false)
|
||||
com.initializeEmptyDb()
|
||||
com.db.compensateLegacySetup()
|
||||
|
||||
let
|
||||
blockHeader = waitFor client.eth_getBlockByNumber(blockId(START_BLOCK), false)
|
||||
stateDB = newAccountStateDB(com.db, blockHeader.stateRoot.toHash256(), false)
|
||||
|
||||
for i in START_BLOCK..END_BLOCK:
|
||||
let
|
||||
blockNum = blockId(i.uint64)
|
||||
blockHeader: BlockObject = waitFor client.eth_getBlockByNumber(blockNum, false)
|
||||
witness = waitFor client.exp_getWitnessByBlockNumber(blockNum, true)
|
||||
proofs = waitFor client.exp_getProofsByBlockNumber(blockNum, true)
|
||||
|
||||
updateStateUsingProofsAndCheckStateRoot(
|
||||
stateDB,
|
||||
blockHeader.stateRoot.toHash256(),
|
||||
witness,
|
||||
proofs)
|
||||
|
||||
if i mod 1000 == 0:
|
||||
echo "Block number: ", i
|
||||
echo "Expected block stateRoot: ", blockHeader.stateRoot
|
||||
echo "Actual block stateRoot: ", stateDB.rootHash
|
||||
doAssert blockHeader.stateRoot.toHash256() == stateDB.rootHash
|
||||
|
||||
when isMainModule:
|
||||
rpcGetProofsTrackStateChangesMain()
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
# nimbus
|
||||
# Copyright (c) 2018-2023 Status Research & Development GmbH
|
||||
# Copyright (c) 2018-2024 Status Research & Development GmbH
|
||||
# Licensed and distributed under either of
|
||||
# * MIT license: [LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT
|
||||
# * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
|
||||
|
|
@ -28,4 +28,5 @@ import
|
|||
../tools/t8n/t8n,
|
||||
../tools/t8n/t8n_test,
|
||||
../tools/evmstate/evmstate,
|
||||
../tools/evmstate/evmstate_test
|
||||
../tools/evmstate/evmstate_test,
|
||||
./test_rpc_getproofs_track_state_changes
|
||||
|
|
|
|||
Loading…
Reference in New Issue