72 lines
3.0 KiB
Nim
72 lines
3.0 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2023 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.
|
|
|
|
import
|
|
chronicles,
|
|
../beacon_chain/[beacon_chain_db],
|
|
../beacon_chain/consensus_object_pools/blockchain_dag,
|
|
../beacon_chain/spec/datatypes/phase0,
|
|
../beacon_chain/spec/[beaconstate, forks],
|
|
eth/db/[kvstore, kvstore_sqlite3],
|
|
./testblockutil
|
|
|
|
export beacon_chain_db, testblockutil, kvstore, kvstore_sqlite3
|
|
|
|
proc makeTestDB*(
|
|
validators: Natural, cfg = defaultRuntimeConfig): BeaconChainDB =
|
|
let
|
|
genState = (ref ForkedHashedBeaconState)(
|
|
kind: ConsensusFork.Phase0,
|
|
phase0Data: initialize_hashed_beacon_state_from_eth1(
|
|
cfg,
|
|
ZERO_HASH,
|
|
0,
|
|
makeInitialDeposits(validators.uint64, flags = {skipBlsValidation}),
|
|
{skipBlsValidation}))
|
|
|
|
result = BeaconChainDB.new("", cfg = cfg, inMemory = true)
|
|
ChainDAGRef.preInit(result, genState[])
|
|
|
|
proc getEarliestInvalidBlockRoot*(
|
|
dag: ChainDAGRef, initialSearchRoot: Eth2Digest,
|
|
latestValidHash: Eth2Digest, defaultEarliestInvalidBlockRoot: Eth2Digest):
|
|
Eth2Digest =
|
|
# Earliest within a chain/fork in question, per LVH definition. Intended to
|
|
# be called with `initialRoot` as the parent of the block regarding which a
|
|
# newPayload or forkchoiceUpdated execution_status has been received as the
|
|
# tests effectively require being able to access this before the BlockRef's
|
|
# made. Therefore, to accommodate the EF consensus spec sync tests, and the
|
|
# possibilities that the LVH might be an immediate parent or a more distant
|
|
# ancestor special-case handling of an earliest invalid root as potentially
|
|
# not being from this function's search, but being provided as a default by
|
|
# the caller with access to the block.
|
|
var curBlck = dag.getBlockRef(initialSearchRoot).valueOr:
|
|
# Being asked to traverse a chain which the DAG doesn't know about -- but
|
|
# that'd imply the block's otherwise invalid for CL as well as EL.
|
|
return static(default(Eth2Digest))
|
|
|
|
# Only allow this special case outside loop; it's when the LVH is the direct
|
|
# parent of the reported invalid block
|
|
if curBlck.executionBlockRoot.isSome and
|
|
curBlck.executionBlockRoot.get == latestValidHash:
|
|
return defaultEarliestInvalidBlockRoot
|
|
|
|
while true:
|
|
# This was supposed to have been either caught by the pre-loop check or the
|
|
# parent check.
|
|
if curBlck.executionBlockRoot.isSome and
|
|
curBlck.executionBlockRoot.get == latestValidHash:
|
|
doAssert false, "getEarliestInvalidBlockRoot: unexpected LVH in loop body"
|
|
|
|
if (curBlck.parent.isNil) or
|
|
curBlck.parent.executionBlockRoot.get(latestValidHash) ==
|
|
latestValidHash:
|
|
break
|
|
curBlck = curBlck.parent
|
|
|
|
curBlck.root
|