mirror of
https://github.com/status-im/nimbus-eth1.git
synced 2025-01-11 21:04:11 +00:00
Make accumulator finite at merge block (#1256)
- Let accumulator finish its last pre merge epoch (hash_tree_root on incomplete epoch). - Adjust code to use isPreMerge and remove isCurrentEpoch - Split up tests to a set that runs with a mainnet merge block number and a set that runs with a testing value.
This commit is contained in:
Kim De Mey
GitHub
parent
538efad325
commit
78f7de1344
@ -14,14 +14,21 @@ import
|
||||
../../common/common_types,
|
||||
./history_content
|
||||
|
||||
export ssz_serialization, merkleization, proofs
|
||||
export ssz_serialization, merkleization, proofs, eth_types_rlp
|
||||
|
||||
# Header Accumulator, as per specification:
|
||||
# https://github.com/ethereum/portal-network-specs/blob/master/history-network.md#the-header-accumulator
|
||||
# But with the adjustment to finish the accumulator at merge point.
|
||||
|
||||
const
|
||||
epochSize* = 8192 # blocks
|
||||
maxHistoricalEpochs = 131072 # 2^17
|
||||
# Allow this to be adjusted at compile time. If more constants need to be
|
||||
# adjusted we can add some presets file.
|
||||
mergeBlockNumber* {.intdefine.}: uint64 = 15537394
|
||||
|
||||
# Note: This is like a ceil(mergeBlockNumber / epochSize)
|
||||
# Could use ceilDiv(mergeBlockNumber, epochSize) in future versions
|
||||
preMergeEpochs* = (mergeBlockNumber + epochSize - 1) div epochSize
|
||||
|
||||
type
|
||||
HeaderRecord* = object
|
||||
@ -31,36 +38,39 @@ type
|
||||
EpochAccumulator* = List[HeaderRecord, epochSize]
|
||||
|
||||
Accumulator* = object
|
||||
historicalEpochs*: List[Bytes32, maxHistoricalEpochs]
|
||||
historicalEpochs*: List[Bytes32, int(preMergeEpochs)]
|
||||
currentEpoch*: EpochAccumulator
|
||||
|
||||
BlockHashResultType* = enum
|
||||
BHash, HEpoch, UnknownBlockNumber
|
||||
FinishedAccumulator* = object
|
||||
historicalEpochs*: List[Bytes32, int(preMergeEpochs)]
|
||||
|
||||
BlockHashResult* = object
|
||||
case kind*: BlockHashResultType
|
||||
of BHash:
|
||||
blockHash*: BlockHash
|
||||
of HEpoch:
|
||||
epochHash*: Bytes32
|
||||
epochIndex*: uint64
|
||||
blockRelativeIndex*: uint64
|
||||
of UnknownBlockNumber:
|
||||
discard
|
||||
BlockEpochData* = object
|
||||
epochHash*: Bytes32
|
||||
blockRelativeIndex*: uint64
|
||||
|
||||
func init*(T: type Accumulator): T =
|
||||
Accumulator(
|
||||
historicalEpochs: List[Bytes32, maxHistoricalEpochs].init(@[]),
|
||||
historicalEpochs: List[Bytes32, int(preMergeEpochs)].init(@[]),
|
||||
currentEpoch: EpochAccumulator.init(@[])
|
||||
)
|
||||
|
||||
func updateAccumulator*(a: var Accumulator, header: BlockHeader) =
|
||||
# TODO:
|
||||
# Could probably also make this work with TTD instead of merge block number.
|
||||
func updateAccumulator*(
|
||||
a: var Accumulator, header: BlockHeader) =
|
||||
doAssert(header.blockNumber.truncate(uint64) < mergeBlockNumber,
|
||||
"No post merge blocks for header accumulator")
|
||||
|
||||
let lastTotalDifficulty =
|
||||
if a.currentEpoch.len() == 0:
|
||||
0.stuint(256)
|
||||
else:
|
||||
a.currentEpoch[^1].totalDifficulty
|
||||
|
||||
# TODO: It is a bit annoying to require an extra header + update call to
|
||||
# finish an epoch. However, if we were to move this after adding the
|
||||
# `HeaderRecord`, there would be no way to get the current total difficulty,
|
||||
# unless another field is introduced in the `Accumulator` object.
|
||||
if a.currentEpoch.len() == epochSize:
|
||||
let epochHash = hash_tree_root(a.currentEpoch)
|
||||
|
||||
@ -75,6 +85,14 @@ func updateAccumulator*(a: var Accumulator, header: BlockHeader) =
|
||||
let res = a.currentEpoch.add(headerRecord)
|
||||
doAssert(res, "Can't fail because of currentEpoch length check")
|
||||
|
||||
func isFinished*(a: Accumulator): bool =
|
||||
a.historicalEpochs.len() == (int)(preMergeEpochs)
|
||||
|
||||
func finishAccumulator*(a: var Accumulator) =
|
||||
let epochHash = hash_tree_root(a.currentEpoch)
|
||||
|
||||
doAssert(a.historicalEpochs.add(epochHash.data))
|
||||
|
||||
func hash*(a: Accumulator): hashes.Hash =
|
||||
# TODO: This is used for the CountTable but it will be expensive.
|
||||
hash(hash_tree_root(a).data)
|
||||
@ -84,6 +102,9 @@ func buildAccumulator*(headers: seq[BlockHeader]): Accumulator =
|
||||
for header in headers:
|
||||
updateAccumulator(accumulator, header)
|
||||
|
||||
if header.blockNumber.truncate(uint64) == mergeBlockNumber - 1:
|
||||
finishAccumulator(accumulator)
|
||||
|
||||
accumulator
|
||||
|
||||
func buildAccumulatorData*(headers: seq[BlockHeader]):
|
||||
@ -93,6 +114,9 @@ func buildAccumulatorData*(headers: seq[BlockHeader]):
|
||||
for header in headers:
|
||||
updateAccumulator(accumulator, header)
|
||||
|
||||
# TODO: By allowing updateAccumulator and finishAccumulator to return
|
||||
# optionally the finished epoch accumulators we would avoid double
|
||||
# hash_tree_root computations.
|
||||
if accumulator.currentEpoch.len() == epochSize:
|
||||
let
|
||||
rootHash = accumulator.currentEpoch.hash_tree_root()
|
||||
@ -103,26 +127,23 @@ func buildAccumulatorData*(headers: seq[BlockHeader]):
|
||||
|
||||
epochAccumulators.add((key, accumulator.currentEpoch))
|
||||
|
||||
if header.blockNumber.truncate(uint64) == mergeBlockNumber - 1:
|
||||
let
|
||||
rootHash = accumulator.currentEpoch.hash_tree_root()
|
||||
key = ContentKey(
|
||||
contentType: epochAccumulator,
|
||||
epochAccumulatorKey: EpochAccumulatorKey(
|
||||
epochHash: rootHash))
|
||||
|
||||
epochAccumulators.add((key, accumulator.currentEpoch))
|
||||
|
||||
finishAccumulator(accumulator)
|
||||
|
||||
epochAccumulators
|
||||
|
||||
## Calls and helper calls for building header proofs and verifying headers
|
||||
## against the Accumulator and the header proofs.
|
||||
|
||||
func inCurrentEpoch*(blockNumber: uint64, a: Accumulator): bool =
|
||||
# Note:
|
||||
# Block numbers start at 0, so historical epochs are set as:
|
||||
# 0 -> 8191 -> len = 1 * 8192
|
||||
# 8192 -> 16383 -> len = 2 * 8192
|
||||
# ...
|
||||
# A block number is in the current epoch if it is bigger than the last block
|
||||
# number in the last historical epoch. Which is the same as being equal or
|
||||
# bigger than current length of historical epochs * epochSize.
|
||||
blockNumber >= uint64(a.historicalEpochs.len() * epochSize)
|
||||
|
||||
func inCurrentEpoch*(header: BlockHeader, a: Accumulator): bool =
|
||||
let blockNumber = header.blockNumber.truncate(uint64)
|
||||
blockNumber.inCurrentEpoch(a)
|
||||
|
||||
func getEpochIndex*(blockNumber: uint64): uint64 =
|
||||
blockNumber div epochSize
|
||||
|
||||
@ -139,6 +160,12 @@ func getHeaderRecordIndex*(header: BlockHeader, epochIndex: uint64): uint64 =
|
||||
## Get the relative header index for the epoch accumulator
|
||||
getHeaderRecordIndex(header.blockNumber.truncate(uint64), epochIndex)
|
||||
|
||||
func isPreMerge*(blockNumber: uint64): bool =
|
||||
blockNumber < mergeBlockNumber
|
||||
|
||||
func isPreMerge*(header: BlockHeader): bool =
|
||||
isPreMerge(header.blockNumber.truncate(uint64))
|
||||
|
||||
func verifyProof*(
|
||||
a: Accumulator, header: BlockHeader, proof: openArray[Digest]): bool =
|
||||
let
|
||||
@ -154,42 +181,26 @@ func verifyProof*(
|
||||
verify_merkle_multiproof(@[leave], proof, @[gIndex], epochAccumulatorHash)
|
||||
|
||||
func verifyHeader*(
|
||||
accumulator: Accumulator, header: BlockHeader, proof: Option[seq[Digest]]):
|
||||
a: Accumulator, header: BlockHeader, proof: openArray[Digest]):
|
||||
Result[void, string] =
|
||||
if header.inCurrentEpoch(accumulator):
|
||||
let blockNumber = header.blockNumber.truncate(uint64)
|
||||
let relIndex = blockNumber - uint64(accumulator.historicalEpochs.len()) * epochSize
|
||||
|
||||
if relIndex > uint64(accumulator.currentEpoch.len() - 1):
|
||||
return err("Blocknumber ahead of accumulator")
|
||||
|
||||
if accumulator.currentEpoch[relIndex].blockHash == header.blockHash():
|
||||
if header.isPreMerge():
|
||||
if a.verifyProof(header, proof):
|
||||
ok()
|
||||
else:
|
||||
err("Header not part of canonical chain")
|
||||
err("Proof verification failed")
|
||||
else:
|
||||
if proof.isSome():
|
||||
if accumulator.verifyProof(header, proof.get):
|
||||
ok()
|
||||
else:
|
||||
err("Proof verification failed")
|
||||
else:
|
||||
err("Need proof to verify header")
|
||||
err("Cannot verify post merge header with accumulator proof")
|
||||
|
||||
func getHeaderHashForBlockNumber*(a: Accumulator, bn: UInt256): BlockHashResult=
|
||||
func getBlockEpochDataForBlockNumber*(
|
||||
a: Accumulator, bn: UInt256): Result[BlockEpochData, string] =
|
||||
let blockNumber = bn.truncate(uint64)
|
||||
if blockNumber.inCurrentEpoch(a):
|
||||
let relIndex = blockNumber - uint64(a.historicalEpochs.len()) * epochSize
|
||||
|
||||
if relIndex > uint64(a.currentEpoch.len() - 1):
|
||||
return BlockHashResult(kind: UnknownBlockNumber)
|
||||
|
||||
return BlockHashResult(kind: BHash, blockHash: a.currentEpoch[relIndex].blockHash)
|
||||
else:
|
||||
if blockNumber.isPreMerge:
|
||||
let epochIndex = getEpochIndex(blockNumber)
|
||||
return BlockHashResult(
|
||||
kind: HEpoch,
|
||||
|
||||
ok(BlockEpochData(
|
||||
epochHash: a.historicalEpochs[epochIndex],
|
||||
epochIndex: epochIndex,
|
||||
blockRelativeIndex: getHeaderRecordIndex(blockNumber, epochIndex)
|
||||
)
|
||||
blockRelativeIndex: getHeaderRecordIndex(blockNumber, epochIndex))
|
||||
)
|
||||
else:
|
||||
err("Block number is post merge: " & $blockNumber)
|
||||
|
||||
@ -38,7 +38,7 @@ type
|
||||
blockHash*: BlockHash
|
||||
|
||||
EpochAccumulatorKey* = object
|
||||
epochHash*: Digest
|
||||
epochHash*: Digest # TODO: Perhaps this should be called epochRoot in the spec instead
|
||||
|
||||
MasterAccumulatorKeyType* = enum
|
||||
latest = 0x00 # An SSZ Union None
|
||||
|
||||
@ -514,30 +514,26 @@ proc getBlock*(
|
||||
|
||||
let accumulator = accumulatorOpt.unsafeGet()
|
||||
|
||||
let hashResponse = accumulator.getHeaderHashForBlockNumber(bn)
|
||||
let epochDataRes = accumulator.getBlockEpochDataForBlockNumber(bn)
|
||||
|
||||
case hashResponse.kind
|
||||
of BHash:
|
||||
# we got header hash in current epoch accumulator, try to retrieve it from network
|
||||
let blockResponse = await n.getBlock(hashResponse.blockHash)
|
||||
return ok(blockResponse)
|
||||
of HEpoch:
|
||||
let digest = Digest(data: hashResponse.epochHash)
|
||||
|
||||
let epochOpt = await n.getEpochAccumulator(digest)
|
||||
if epochDataRes.isOk():
|
||||
let
|
||||
epochData = epochDataRes.get()
|
||||
digest = Digest(data: epochData.epochHash)
|
||||
|
||||
epochOpt = await n.getEpochAccumulator(digest)
|
||||
if epochOpt.isNone():
|
||||
return err("Cannot retrieve epoch accumulator for given block number")
|
||||
|
||||
let
|
||||
epoch = epochOpt.unsafeGet()
|
||||
blockHash = epoch[hashResponse.blockRelativeIndex].blockHash
|
||||
blockHash = epoch[epochData.blockRelativeIndex].blockHash
|
||||
|
||||
let maybeBlock = await n.getBlock(blockHash)
|
||||
|
||||
return ok(maybeBlock)
|
||||
of UnknownBlockNumber:
|
||||
return err("Block number not included in master accumulator")
|
||||
else:
|
||||
return err(epochDataRes.error)
|
||||
|
||||
proc getInitialMasterAccumulator*(
|
||||
n: HistoryNetwork):
|
||||
@ -615,18 +611,12 @@ proc verifyCanonicalChain(
|
||||
# epoch accumulators for it, and could just verify it with those. But the
|
||||
# idea here is that eventually this gets changed so that the proof is send
|
||||
# together with the header.
|
||||
let proofOpt =
|
||||
if header.inCurrentEpoch(accumulator):
|
||||
none(seq[Digest])
|
||||
else:
|
||||
let proof = await n.buildProof(header)
|
||||
if proof.isErr():
|
||||
# Can't verify without master and epoch accumulators
|
||||
return err("Cannot build proof: " & proof.error)
|
||||
else:
|
||||
some(proof.get())
|
||||
|
||||
return verifyHeader(accumulator, header, proofOpt)
|
||||
let proof = await n.buildProof(header)
|
||||
if proof.isOk():
|
||||
return verifyHeader(accumulator, header, proof.get())
|
||||
else:
|
||||
# Can't verify without master and epoch accumulators
|
||||
return err("Cannot build proof: " & proof.error)
|
||||
|
||||
proc validateContent(
|
||||
n: HistoryNetwork, content: seq[byte], contentKey: ByteList):
|
||||
|
||||
@ -8,16 +8,12 @@
|
||||
{. warning[UnusedImport]:off .}
|
||||
|
||||
import
|
||||
./test_portal_wire_encoding,
|
||||
./test_portal_wire_protocol,
|
||||
./test_state_distance,
|
||||
./test_state_content,
|
||||
./test_state_network,
|
||||
./test_history_content,
|
||||
./test_accumulator,
|
||||
./test_history_validation,
|
||||
./test_history_network,
|
||||
./test_header_content,
|
||||
./test_accumulator,
|
||||
./test_content_db,
|
||||
./test_discovery_rpc,
|
||||
./test_bridge_parser
|
||||
|
||||
@ -0,0 +1,15 @@
|
||||
# Nimbus
|
||||
# Copyright (c) 2022 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.
|
||||
|
||||
{. warning[UnusedImport]:off .}
|
||||
|
||||
import
|
||||
./test_portal_wire_encoding,
|
||||
./test_history_content,
|
||||
./test_header_content,
|
||||
./test_state_content,
|
||||
./test_accumulator_root
|
||||
@ -0,0 +1,50 @@
|
||||
# Nimbus
|
||||
# Copyright (c) 2022 Status Research & Development GmbH
|
||||
# Licensed and distributed under either of
|
||||
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
||||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||||
|
||||
{.used.}
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
unittest2, stint, stew/byteutils,
|
||||
eth/common/eth_types_rlp,
|
||||
../../../data/history_data_parser,
|
||||
../../../network/history/[history_content, accumulator]
|
||||
|
||||
suite "Header Accumulator Root":
|
||||
test "Header Accumulator Update":
|
||||
const
|
||||
hashTreeRoots = [
|
||||
"53521984da4bbdbb011fe8a1473bf71bdf1040b14214a05cd1ce6932775bc7fa",
|
||||
"ae48c6d4e1b0a68324f346755645ba7e5d99da3dd1c38a9acd10e2fe4f43cfb4",
|
||||
"52f7bd6204be2d98cb9d09aa375b4355140e0d65744ce7b2f3ea34d8e6453572"]
|
||||
|
||||
dataFile = "./fluffy/tests/blocks/mainnet_blocks_1-2.json"
|
||||
|
||||
let blockDataRes = readJsonType(dataFile, BlockDataTable)
|
||||
|
||||
check blockDataRes.isOk()
|
||||
let blockData = blockDataRes.get()
|
||||
|
||||
var headers: seq[BlockHeader]
|
||||
# Len of headers from blockdata + genesis header
|
||||
headers.setLen(blockData.len() + 1)
|
||||
|
||||
headers[0] = getGenesisHeader()
|
||||
|
||||
for k, v in blockData.pairs:
|
||||
let res = v.readBlockHeader()
|
||||
check res.isOk()
|
||||
let header = res.get()
|
||||
headers[header.blockNumber.truncate(int)] = header
|
||||
|
||||
var accumulator: Accumulator
|
||||
|
||||
for i, hash in hashTreeRoots:
|
||||
updateAccumulator(accumulator, headers[i])
|
||||
|
||||
check accumulator.hash_tree_root().data.toHex() == hashTreeRoots[i]
|
||||
@ -11,7 +11,7 @@
|
||||
|
||||
import
|
||||
unittest2, stew/byteutils,
|
||||
../network/header/header_content
|
||||
../../../network/header/header_content
|
||||
|
||||
suite "Header Gossip ContentKey Encodings":
|
||||
test "BlockHeader":
|
||||
@ -9,7 +9,8 @@
|
||||
|
||||
import
|
||||
unittest2, stew/byteutils, stint,
|
||||
../network/history/history_content
|
||||
ssz_serialization, ssz_serialization/[proofs, merkleization],
|
||||
../../../network/history/[history_content, accumulator]
|
||||
|
||||
# According to test vectors:
|
||||
# https://github.com/ethereum/portal-network-specs/blob/master/content-keys-test-vectors.md#history-network-keys
|
||||
@ -9,7 +9,7 @@
|
||||
|
||||
import
|
||||
unittest2, stint, stew/[byteutils, results], eth/p2p/discoveryv5/enr,
|
||||
../network/wire/messages
|
||||
../../../network/wire/messages
|
||||
|
||||
# According to test vectors:
|
||||
# https://github.com/ethereum/portal-network-specs/blob/master/portal-wire-test-vectors.md
|
||||
@ -9,7 +9,7 @@
|
||||
|
||||
import
|
||||
unittest2, stew/byteutils,
|
||||
../network/state/state_content
|
||||
../../../network/state/state_content
|
||||
|
||||
# According to test vectors:
|
||||
# https://github.com/ethereum/portal-network-specs/blob/master/content-keys-test-vectors.md#state-network-keys
|
||||
@ -10,7 +10,7 @@
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
unittest2, stint, stew/byteutils,
|
||||
unittest2, stint,
|
||||
eth/common/eth_types_rlp,
|
||||
../data/history_data_parser,
|
||||
../network/history/[history_content, accumulator]
|
||||
@ -30,44 +30,12 @@ func buildProof(
|
||||
return epochAccumulator.build_proof(gIndex)
|
||||
|
||||
suite "Header Accumulator":
|
||||
test "Header Accumulator Update":
|
||||
const
|
||||
hashTreeRoots = [
|
||||
"b629833240bb2f5eabfb5245be63d730ca4ed30d6a418340ca476e7c1f1d98c0",
|
||||
"00cbebed829e1babb93f2300bebe7905a98cb86993c7fc09bb5b04626fd91ae5",
|
||||
"88cce8439ebc0c1d007177ffb6831c15c07b4361984cc52235b6fd728434f0c7"]
|
||||
|
||||
dataFile = "./fluffy/tests/blocks/mainnet_blocks_1-2.json"
|
||||
|
||||
let blockDataRes = readJsonType(dataFile, BlockDataTable)
|
||||
|
||||
check blockDataRes.isOk()
|
||||
let blockData = blockDataRes.get()
|
||||
|
||||
var headers: seq[BlockHeader]
|
||||
# Len of headers from blockdata + genesis header
|
||||
headers.setLen(blockData.len() + 1)
|
||||
|
||||
headers[0] = getGenesisHeader()
|
||||
|
||||
for k, v in blockData.pairs:
|
||||
let res = v.readBlockHeader()
|
||||
check res.isOk()
|
||||
let header = res.get()
|
||||
headers[header.blockNumber.truncate(int)] = header
|
||||
|
||||
var accumulator: Accumulator
|
||||
|
||||
for i, hash in hashTreeRoots:
|
||||
updateAccumulator(accumulator, headers[i])
|
||||
|
||||
check accumulator.hash_tree_root().data.toHex() == hashTreeRoots[i]
|
||||
|
||||
test "Header Accumulator Canonical Verification":
|
||||
const
|
||||
# Amount of headers to be created and added to the accumulator
|
||||
amount = 25000
|
||||
# Headers to test verification for
|
||||
amount = mergeBlockNumber
|
||||
# Headers to test verification for.
|
||||
# Note: This test assumes at least 5 epochs
|
||||
headersToTest = [
|
||||
0,
|
||||
epochSize - 1,
|
||||
@ -77,7 +45,7 @@ suite "Header Accumulator":
|
||||
epochSize*3 - 1,
|
||||
epochSize*3,
|
||||
epochSize*3 + 1,
|
||||
amount - 1]
|
||||
int(amount) - 1]
|
||||
|
||||
var headers: seq[BlockHeader]
|
||||
for i in 0..<amount:
|
||||
@ -94,125 +62,81 @@ suite "Header Accumulator":
|
||||
block: # Test valid headers
|
||||
for i in headersToTest:
|
||||
let header = headers[i]
|
||||
let proofOpt =
|
||||
if header.inCurrentEpoch(accumulator):
|
||||
none(seq[Digest])
|
||||
else:
|
||||
let proof = buildProof(accumulator, epochAccumulators, header)
|
||||
check proof.isOk()
|
||||
let proof = buildProof(accumulator, epochAccumulators, header)
|
||||
check:
|
||||
proof.isOk()
|
||||
verifyHeader(accumulator, header, proof.get()).isOk()
|
||||
|
||||
some(proof.get())
|
||||
block: # Test invalid headers
|
||||
# Post merge block number must fail (> than latest header in accumulator)
|
||||
let header = BlockHeader(blockNumber: mergeBlockNumber.stuint(256))
|
||||
check verifyHeader(accumulator, header, @[]).isErr()
|
||||
|
||||
check verifyHeader(accumulator, header, proofOpt).isOk()
|
||||
|
||||
block: # Test some invalid headers
|
||||
# Test a header with block number > than latest in accumulator
|
||||
let header = BlockHeader(blockNumber: 25000.stuint(256))
|
||||
check verifyHeader(accumulator, header, none(seq[Digest])).isErr()
|
||||
|
||||
# Test different block headers by altering the difficulty
|
||||
# Test altered block headers by altering the difficulty
|
||||
for i in headersToTest:
|
||||
let proof = buildProof(accumulator, epochAccumulators, headers[i])
|
||||
check:
|
||||
proof.isOk()
|
||||
# Alter the block header so the proof no longer matches
|
||||
let header = BlockHeader(
|
||||
blockNumber: i.stuint(256), difficulty: 2.stuint(256))
|
||||
|
||||
check verifyHeader(accumulator, header, none(seq[Digest])).isErr()
|
||||
check verifyHeader(accumulator, header, proof.get()).isErr()
|
||||
|
||||
test "Header Accumulator Canonical Verification - No Historical Epochs":
|
||||
const
|
||||
# Amount of headers to be created and added to the accumulator
|
||||
amount = epochSize
|
||||
# Headers to test verification for
|
||||
headersToTest = [
|
||||
0,
|
||||
epochSize - 1]
|
||||
block: # Test invalid proofs
|
||||
var proof: seq[Digest]
|
||||
for i in 0..14:
|
||||
var digest: Digest
|
||||
proof.add(digest)
|
||||
|
||||
for i in headersToTest:
|
||||
check verifyHeader(accumulator, headers[i], proof).isErr()
|
||||
|
||||
test "Header BlockNumber to EpochAccumulator Root":
|
||||
# Note: This test assumes at least 3 epochs
|
||||
const amount = mergeBlockNumber
|
||||
|
||||
var
|
||||
headerHashes: seq[Hash256] = @[]
|
||||
headers: seq[BlockHeader]
|
||||
|
||||
var headers: seq[BlockHeader]
|
||||
for i in 0..<amount:
|
||||
# Note: These test headers will not be a blockchain, as the parent hashes
|
||||
# are not properly filled in. That's fine however for this test, as that
|
||||
# is not the way the headers are verified with the accumulator.
|
||||
headers.add(BlockHeader(
|
||||
blockNumber: i.stuint(256), difficulty: 1.stuint(256)))
|
||||
let header = BlockHeader(blockNumber: u256(i), difficulty: u256(1))
|
||||
headers.add(header)
|
||||
headerHashes.add(header.blockHash())
|
||||
|
||||
let
|
||||
accumulator = buildAccumulator(headers)
|
||||
epochAccumulators = buildAccumulatorData(headers)
|
||||
let accumulator = buildAccumulator(headers)
|
||||
|
||||
block: # Test valid headers
|
||||
for i in headersToTest:
|
||||
let header = headers[i]
|
||||
let proofOpt =
|
||||
if header.inCurrentEpoch(accumulator):
|
||||
none(seq[Digest])
|
||||
else:
|
||||
let proof = buildProof(accumulator, epochAccumulators, header)
|
||||
check proof.isOk()
|
||||
|
||||
some(proof.get())
|
||||
|
||||
check verifyHeader(accumulator, header, proofOpt).isOk()
|
||||
|
||||
block: # Test some invalid headers
|
||||
# Test a header with block number > than latest in accumulator
|
||||
let header = BlockHeader(blockNumber: (amount).stuint(256))
|
||||
check verifyHeader(accumulator, header, none(seq[Digest])).isErr()
|
||||
|
||||
# Test different block headers by altering the difficulty
|
||||
for i in headersToTest:
|
||||
let header = BlockHeader(
|
||||
blockNumber: i.stuint(256), difficulty: 2.stuint(256))
|
||||
|
||||
check verifyHeader(accumulator, header, none(seq[Digest])).isErr()
|
||||
|
||||
test "Header Accumulator Blocknumber to Header Hash":
|
||||
var acc = Accumulator.init()
|
||||
|
||||
let
|
||||
numEpochs = 2
|
||||
numHeadersInCurrentEpoch = 5
|
||||
numHeaders = numEpochs * epochSize + numHeadersInCurrentEpoch
|
||||
|
||||
var headerHashes: seq[Hash256] = @[]
|
||||
|
||||
for i in 0..numHeaders:
|
||||
var bh = BlockHeader()
|
||||
bh.blockNumber = u256(i)
|
||||
bh.difficulty = u256(1)
|
||||
headerHashes.add(bh.blockHash())
|
||||
acc.updateAccumulator(bh)
|
||||
|
||||
# get valid response for epoch 0
|
||||
# Valid response for block numbers in epoch 0
|
||||
block:
|
||||
for i in 0..epochSize-1:
|
||||
let res = acc.getHeaderHashForBlockNumber(u256(i))
|
||||
for i in 0..<epochSize:
|
||||
let res = accumulator.getBlockEpochDataForBlockNumber(u256(i))
|
||||
check:
|
||||
res.kind == HEpoch
|
||||
res.epochIndex == 0
|
||||
res.isOk()
|
||||
res.get().epochHash == accumulator.historicalEpochs[0]
|
||||
|
||||
# get valid response for epoch 1
|
||||
# Valid response for block numbers in epoch 1
|
||||
block:
|
||||
for i in epochSize..(2 * epochSize)-1:
|
||||
let res = acc.getHeaderHashForBlockNumber(u256(i))
|
||||
for i in epochSize..<(2 * epochSize):
|
||||
let res = accumulator.getBlockEpochDataForBlockNumber(u256(i))
|
||||
check:
|
||||
res.kind == HEpoch
|
||||
res.epochIndex == 1
|
||||
res.isOk()
|
||||
res.get().epochHash == accumulator.historicalEpochs[1]
|
||||
|
||||
# get valid response from current epoch (epoch 3)
|
||||
# Valid response for block numbers in the incomplete (= last) epoch
|
||||
block:
|
||||
for i in (2 * epochSize)..(2 * epochSize) + numHeadersInCurrentEpoch:
|
||||
let res = acc.getHeaderHashForBlockNumber(u256(i))
|
||||
const startIndex = mergeBlockNumber - (mergeBlockNumber mod epochSize)
|
||||
for i in startIndex..<mergeBlockNumber:
|
||||
let res = accumulator.getBlockEpochDataForBlockNumber(u256(i))
|
||||
check:
|
||||
res.kind == BHash
|
||||
res.blockHash == headerHashes[i]
|
||||
res.isOk()
|
||||
res.get().epochHash ==
|
||||
accumulator.historicalEpochs[preMergeEpochs - 1]
|
||||
|
||||
# get valid response when getting unknown hash
|
||||
# Error for block number at and past merge
|
||||
block:
|
||||
let firstUknownBlockNumber = (2 * epochSize) + numHeadersInCurrentEpoch + 1
|
||||
let res = acc.getHeaderHashForBlockNumber(u256(firstUknownBlockNumber))
|
||||
|
||||
check:
|
||||
res.kind == UnknownBlockNumber
|
||||
|
||||
let res1 = acc.getHeaderHashForBlockNumber(u256(3 * epochSize))
|
||||
check:
|
||||
res1.kind == UnknownBlockNumber
|
||||
accumulator.getBlockEpochDataForBlockNumber(
|
||||
u256(mergeBlockNumber)).isErr()
|
||||
accumulator.getBlockEpochDataForBlockNumber(
|
||||
u256(mergeBlockNumber + 1)).isErr()
|
||||
|
||||
@ -74,14 +74,25 @@ procSuite "History Content Network":
|
||||
let rng = newRng()
|
||||
|
||||
asyncTest "Get Block by Number":
|
||||
# enough headers for one historical epoch in the master accumulator
|
||||
const lastBlockNumber = 9000
|
||||
const
|
||||
lastBlockNumber = mergeBlockNumber - 1
|
||||
|
||||
headersToTest = [
|
||||
0,
|
||||
epochSize - 1,
|
||||
epochSize,
|
||||
epochSize*2 - 1,
|
||||
epochSize*2,
|
||||
epochSize*3 - 1,
|
||||
epochSize*3,
|
||||
epochSize*3 + 1,
|
||||
int(lastBlockNumber)]
|
||||
|
||||
let
|
||||
historyNode1 = newHistoryNode(rng, 20302)
|
||||
historyNode2 = newHistoryNode(rng, 20303)
|
||||
|
||||
headers = createEmptyHeaders(0, lastBlockNumber)
|
||||
headers = createEmptyHeaders(0, int(lastBlockNumber))
|
||||
masterAccumulator = buildAccumulator(headers)
|
||||
epochAccumulators = buildAccumulatorData(headers)
|
||||
|
||||
@ -115,7 +126,7 @@ procSuite "History Content Network":
|
||||
(await historyNode1.portalProtocol().ping(historyNode2.localNode())).isOk()
|
||||
(await historyNode2.portalProtocol().ping(historyNode1.localNode())).isOk()
|
||||
|
||||
for i in 0..lastBlockNumber:
|
||||
for i in headersToTest:
|
||||
let blockResponse = await historyNode1.historyNetwork.getBlock(u256(i))
|
||||
|
||||
check blockResponse.isOk()
|
||||
@ -132,7 +143,15 @@ procSuite "History Content Network":
|
||||
await historyNode2.stop()
|
||||
|
||||
asyncTest "Offer - Maximum Content Keys in 1 Message":
|
||||
# Need to provide enough headers to have 1 epoch accumulator "finalized" as
|
||||
# else no headers with proofs can be generated.
|
||||
const lastBlockNumber = epochSize
|
||||
|
||||
let
|
||||
headers = createEmptyHeaders(0, lastBlockNumber)
|
||||
masterAccumulator = buildAccumulator(headers)
|
||||
epochAccumulators = buildAccumulatorData(headers)
|
||||
|
||||
historyNode1 = newHistoryNode(rng, 20302)
|
||||
historyNode2 = newHistoryNode(rng, 20303)
|
||||
|
||||
@ -150,57 +169,65 @@ procSuite "History Content Network":
|
||||
let maxOfferedHistoryContent = getMaxOfferedContentKeys(
|
||||
uint32(len(historyProtocolId)), maxContentKeySize)
|
||||
|
||||
# one header too many to fit an offer message, talkReq with this amount of
|
||||
# headers must fail
|
||||
let headers = createEmptyHeaders(0, maxOfferedHistoryContent)
|
||||
let masterAccumulator = buildAccumulator(headers)
|
||||
|
||||
await historyNode1.historyNetwork.initMasterAccumulator(some(masterAccumulator))
|
||||
await historyNode2.historyNetwork.initMasterAccumulator(some(masterAccumulator))
|
||||
|
||||
let contentInfos = headersToContentInfo(headers)
|
||||
# One of the nodes needs to have the epochAccumulator to build proofs from
|
||||
# for the offered headers.
|
||||
for (contentKey, epochAccumulator) in epochAccumulators:
|
||||
let contentId = toContentId(contentKey)
|
||||
historyNode2.portalProtocol().storeContent(
|
||||
contentId, SSZ.encode(epochAccumulator))
|
||||
|
||||
# node 1 will offer content so it need to have it in its database
|
||||
for ci in contentInfos:
|
||||
let id = toContentId(ci.contentKey)
|
||||
historyNode1.portalProtocol.storeContent(id, ci.content)
|
||||
# This is one header more than maxOfferedHistoryContent
|
||||
let contentInfos = headersToContentInfo(headers[0..maxOfferedHistoryContent])
|
||||
|
||||
let offerResultTooMany = await historyNode1.portalProtocol.offer(
|
||||
historyNode2.localNode(),
|
||||
contentInfos
|
||||
)
|
||||
# node 1 will offer the content so it needs to have it in its database
|
||||
for contentInfo in contentInfos:
|
||||
let id = toContentId(contentInfo.contentKey)
|
||||
historyNode1.portalProtocol.storeContent(id, contentInfo.content)
|
||||
|
||||
# failing due timeout, as remote side must drop too large discv5 packets
|
||||
check offerResultTooMany.isErr()
|
||||
# Offering 1 content item too much which should result in a discv5 packet
|
||||
# that is too large and thus not get any response.
|
||||
block:
|
||||
let offerResult = await historyNode1.portalProtocol.offer(
|
||||
historyNode2.localNode(),
|
||||
contentInfos
|
||||
)
|
||||
|
||||
for ci in contentInfos:
|
||||
let id = toContentId(ci.contentKey)
|
||||
check historyNode2.containsId(id) == false
|
||||
# Fail due timeout, as remote side must drop the too large discv5 packet
|
||||
check offerResult.isErr()
|
||||
|
||||
# one content key less should make offer go through
|
||||
let correctInfos = contentInfos[0..<len(contentInfos)-1]
|
||||
|
||||
let offerResultCorrect = await historyNode1.portalProtocol.offer(
|
||||
historyNode2.localNode(),
|
||||
correctInfos
|
||||
)
|
||||
|
||||
check offerResultCorrect.isOk()
|
||||
|
||||
for i, ci in contentInfos:
|
||||
let id = toContentId(ci.contentKey)
|
||||
if i < len(contentInfos) - 1:
|
||||
check historyNode2.containsId(id) == true
|
||||
else:
|
||||
for contentInfo in contentInfos:
|
||||
let id = toContentId(contentInfo.contentKey)
|
||||
check historyNode2.containsId(id) == false
|
||||
|
||||
# One content key less should make offer be succesful and should result
|
||||
# in the content being transferred and stored on the other node.
|
||||
block:
|
||||
let offerResult = await historyNode1.portalProtocol.offer(
|
||||
historyNode2.localNode(),
|
||||
contentInfos[0..<maxOfferedHistoryContent]
|
||||
)
|
||||
|
||||
check offerResult.isOk()
|
||||
|
||||
for i, contentInfo in contentInfos:
|
||||
let id = toContentId(contentInfo.contentKey)
|
||||
if i < len(contentInfos) - 1:
|
||||
check historyNode2.containsId(id) == true
|
||||
else:
|
||||
check historyNode2.containsId(id) == false
|
||||
|
||||
await historyNode1.stop()
|
||||
await historyNode2.stop()
|
||||
|
||||
asyncTest "Offer - Headers with Historical Epochs":
|
||||
asyncTest "Offer - Headers with Historical Epochs - Stopped at Epoch":
|
||||
const
|
||||
lastBlockNumber = 9000
|
||||
headersToTest = [0, epochSize - 1, lastBlockNumber]
|
||||
# Needs one extra header currently due to the way that updateAccumulator
|
||||
# works
|
||||
lastBlockNumber = epochSize
|
||||
headersToTest = [0, 1, lastBlockNumber div 2, lastBlockNumber - 1]
|
||||
|
||||
let
|
||||
headers = createEmptyHeaders(0, lastBlockNumber)
|
||||
@ -251,14 +278,21 @@ procSuite "History Content Network":
|
||||
await historyNode1.stop()
|
||||
await historyNode2.stop()
|
||||
|
||||
asyncTest "Offer - Headers with No Historical Epochs":
|
||||
asyncTest "Offer - Headers with No Historical Epochs - Stopped at Merge Block":
|
||||
const
|
||||
lastBlockNumber = epochSize - 1
|
||||
headersToTest = [0, lastBlockNumber]
|
||||
lastBlockNumber = int(mergeBlockNumber - 1)
|
||||
headersToTest = [
|
||||
0,
|
||||
1,
|
||||
epochSize div 2,
|
||||
epochSize - 1,
|
||||
lastBlockNumber - 1,
|
||||
lastBlockNumber]
|
||||
|
||||
let
|
||||
headers = createEmptyHeaders(0, lastBlockNumber)
|
||||
masterAccumulator = buildAccumulator(headers)
|
||||
epochAccumulators = buildAccumulatorData(headers)
|
||||
|
||||
historyNode1 = newHistoryNode(rng, 20302)
|
||||
historyNode2 = newHistoryNode(rng, 20303)
|
||||
@ -270,6 +304,13 @@ procSuite "History Content Network":
|
||||
(await historyNode1.portalProtocol().ping(historyNode2.localNode())).isOk()
|
||||
(await historyNode2.portalProtocol().ping(historyNode1.localNode())).isOk()
|
||||
|
||||
# Need to store the epochAccumulators, because else the headers can't be
|
||||
# verified if being part of the canonical chain currently
|
||||
for (contentKey, epochAccumulator) in epochAccumulators:
|
||||
let contentId = toContentId(contentKey)
|
||||
historyNode1.portalProtocol.storeContent(
|
||||
contentId, SSZ.encode(epochAccumulator))
|
||||
|
||||
# Need to run start to get the processContentLoop running
|
||||
historyNode1.start()
|
||||
historyNode2.start()
|
||||
|
||||
@ -89,7 +89,10 @@ task test_portal_testnet, "Build test_portal_testnet":
|
||||
task testfluffy, "Run fluffy tests":
|
||||
# Need the nimbus_db_backend in state network tests as we need a Hexary to
|
||||
# start from, even though it only uses the MemoryDb.
|
||||
test "fluffy/tests", "all_fluffy_tests", "-d:chronicles_log_level=ERROR -d:chronosStrictException -d:nimbus_db_backend=sqlite -d:PREFER_BLST_SHA256=false -d:canonicalVerify=true"
|
||||
test "fluffy/tests/portal_spec_tests/mainnet", "all_fluffy_portal_spec_tests", "-d:chronicles_log_level=ERROR -d:chronosStrictException -d:nimbus_db_backend=sqlite -d:PREFER_BLST_SHA256=false -d:canonicalVerify=true"
|
||||
# Running tests with a low `mergeBlockNumber` to make the tests faster.
|
||||
# Using the real mainnet merge block number is not realistic for these tests.
|
||||
test "fluffy/tests", "all_fluffy_tests", "-d:chronicles_log_level=ERROR -d:chronosStrictException -d:nimbus_db_backend=sqlite -d:PREFER_BLST_SHA256=false -d:canonicalVerify=true -d:mergeBlockNumber:38130"
|
||||
|
||||
task testlcproxy, "Run light proxy tests":
|
||||
test "lc_proxy/tests", "test_proof_validation", "-d:chronicles_log_level=ERROR -d:chronosStrictException -d:nimbus_db_backend=sqlite -d:PREFER_BLST_SHA256=false"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user