var => let in specs/ and tests/ (#3425)

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32 changed files with 63 additions and 63 deletions

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@ -689,7 +689,7 @@ proc process_attestation*(
# The genericSeqAssign generated by the compiler to copy the attestation
# data sadly is a processing hotspot - the business with the addDefault
# pointer is here simply to work around the poor codegen
var pa = attestations.addDefault()
let pa = attestations.addDefault()
if pa.isNil:
return err("process_attestation: too many pending attestations")
assign(pa[].aggregation_bits, attestation.aggregation_bits)
@ -807,7 +807,7 @@ func upgrade_to_altair*(cfg: RuntimeConfig, pre: phase0.BeaconState):
doAssert inactivity_scores.data.setLen(pre.validators.len)
inactivity_scores.resetCache()
var post = (ref altair.BeaconState)(
let post = (ref altair.BeaconState)(
genesis_time: pre.genesis_time,
genesis_validators_root: pre.genesis_validators_root,
slot: pre.slot,

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@ -66,7 +66,7 @@ func eth2digest*(v: openArray[byte]): Eth2Digest {.noinit.} =
else:
# We use the init-update-finish interface to avoid
# the expensive burning/clearing memory (20~30% perf)
var ctx: Eth2DigestCtx
let ctx: Eth2DigestCtx
ctx.init()
ctx.update(v)
ctx.finish()
@ -93,7 +93,7 @@ template withEth2Hash*(body: untyped): Eth2Digest =
res
else:
block:
var h {.inject, noinit.}: Eth2DigestCtx
let h {.inject, noinit.}: Eth2DigestCtx
init(h)
body
finish(h)

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@ -418,7 +418,7 @@ proc readRuntimeConfig*(
if line.len == 0 or line[0] == '#': continue
# remove any trailing comments
let line = line.split("#")[0]
var lineParts = line.split(":")
let lineParts = line.split(":")
if lineParts.len != 2:
fail "Invalid syntax: A preset file should include only assignments in the form 'ConstName: Value'"

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@ -157,7 +157,7 @@ func maybeUpgradeStateToAltair(
# once by checking for existing fork.
if getStateField(state, slot).epoch == cfg.ALTAIR_FORK_EPOCH and
state.kind == BeaconStateFork.Phase0:
var newState = upgrade_to_altair(cfg, state.phase0Data.data)
let newState = upgrade_to_altair(cfg, state.phase0Data.data)
state = (ref ForkedHashedBeaconState)(
kind: BeaconStateFork.Altair,
altairData: altair.HashedBeaconState(
@ -169,7 +169,7 @@ func maybeUpgradeStateToBellatrix(
# once by checking for existing fork.
if getStateField(state, slot).epoch == cfg.BELLATRIX_FORK_EPOCH and
state.kind == BeaconStateFork.Altair:
var newState = upgrade_to_bellatrix(cfg, state.altairData.data)
let newState = upgrade_to_bellatrix(cfg, state.altairData.data)
state = (ref ForkedHashedBeaconState)(
kind: BeaconStateFork.Bellatrix,
bellatrixData: bellatrix.HashedBeaconState(

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@ -37,7 +37,7 @@ proc runTest(identifier: string) =
let
proof = block:
var s = openFileStream(testDir/"proof.yaml")
let s = openFileStream(testDir/"proof.yaml")
defer: close(s)
var res: TestProof
yaml.load(s, res)

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@ -52,7 +52,7 @@ proc runTest[T, U](
"[Invalid] "
test prefix & baseDescription & testSuiteName & " - " & identifier:
var preState = newClone(
let preState = newClone(
parseTest(testDir/"pre.ssz_snappy", SSZ, altair.BeaconState))
let done = applyProc(
preState[], parseTest(testDir/(applyFile & ".ssz_snappy"), SSZ, T))

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@ -71,7 +71,7 @@ proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
# TODO check the value (requires YAML loader)
proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
var s = openFileStream(dir/"roots.yaml")
let s = openFileStream(dir/"roots.yaml")
yaml.load(s, result)
s.close()

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@ -31,7 +31,7 @@ template runSuite(
test testName & " - " & unitTestName & preset():
# BeaconState objects are stored on the heap to avoid stack overflow
type T = altair.BeaconState
var preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let postState = newClone(parseTest(testDir/"post.ssz_snappy", SSZ, T))
var cache {.inject, used.} = StateCache()
template state: untyped {.inject, used.} = preState[]

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@ -94,7 +94,7 @@ suite "EF - Altair - Unittests - Sync protocol" & preset():
# https://github.com/ethereum/consensus-specs/blob/v1.1.9/tests/core/pyspec/eth2spec/test/altair/unittests/test_sync_protocol.py#L36-L90
test "test_process_light_client_update_not_timeout":
var forked = assignClone(genesisState[])
let forked = assignClone(genesisState[])
template state: untyped {.inject.} = forked[].altairData.data
var store = initialize_light_client_store(state)
@ -146,7 +146,7 @@ suite "EF - Altair - Unittests - Sync protocol" & preset():
# https://github.com/ethereum/consensus-specs/blob/v1.1.9/tests/core/pyspec/eth2spec/test/altair/unittests/test_sync_protocol.py#L93-L154
test "process_light_client_update_timeout":
var forked = assignClone(genesisState[])
let forked = assignClone(genesisState[])
template state: untyped {.inject.} = forked[].altairData.data
var store = initialize_light_client_store(state)
@ -207,7 +207,7 @@ suite "EF - Altair - Unittests - Sync protocol" & preset():
# https://github.com/ethereum/consensus-specs/blob/v1.1.9/tests/core/pyspec/eth2spec/test/altair/unittests/test_sync_protocol.py#L157-L224
test "process_light_client_update_finality_updated":
var forked = assignClone(genesisState[])
let forked = assignClone(genesisState[])
template state: untyped {.inject.} = forked[].altairData.data
var store = initialize_light_client_store(state)

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@ -36,7 +36,7 @@ proc runTest(testName, testDir, unitTestName: string) =
let testPath = testDir / unitTestName
var transitionInfo: TransitionInfo
var s = openFileStream(testPath/"meta.yaml")
let s = openFileStream(testPath/"meta.yaml")
defer: close(s)
yaml.load(s, transitionInfo)

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@ -31,7 +31,7 @@ proc runTest(identifier: string) =
postState = newClone(
parseTest(testDir/"post.ssz_snappy", SSZ, bellatrix.BeaconState))
var cfg = defaultRuntimeConfig
let cfg = defaultRuntimeConfig
let upgradedState = upgrade_to_bellatrix(cfg, preState[])
check: upgradedState[].hash_tree_root() == postState[].hash_tree_root()

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@ -53,7 +53,7 @@ proc runTest[T, U](
"[Invalid] "
test prefix & baseDescription & testSuiteName & " - " & identifier:
var preState = newClone(
let preState = newClone(
parseTest(testDir/"pre.ssz_snappy", SSZ, bellatrix.BeaconState))
let done = applyProc(
preState[], parseTest(testDir/(applyFile & ".ssz_snappy"), SSZ, T))

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@ -71,7 +71,7 @@ proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
# TODO check the value (requires YAML loader)
proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
var s = openFileStream(dir/"roots.yaml")
let s = openFileStream(dir/"roots.yaml")
yaml.load(s, result)
s.close()

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@ -30,7 +30,7 @@ template runSuite(
test testName & " - " & unitTestName & preset():
# BeaconState objects are stored on the heap to avoid stack overflow
type T = bellatrix.BeaconState
var preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let postState = newClone(parseTest(testDir/"post.ssz_snappy", SSZ, T))
var cache {.inject, used.} = StateCache()
template state: untyped {.inject, used.} = preState[]

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@ -36,7 +36,7 @@ proc runTest(testName, testDir, unitTestName: string) =
let testPath = testDir / unitTestName
var transitionInfo: TransitionInfo
var s = openFileStream(testPath/"meta.yaml")
let s = openFileStream(testPath/"meta.yaml")
defer: close(s)
yaml.load(s, transitionInfo)

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@ -67,7 +67,7 @@ template readFileBytes*(path: string): seq[byte] =
cast[seq[byte]](readFile(path))
proc sszDecodeEntireInput*(input: openArray[byte], Decoded: type): Decoded =
var stream = unsafeMemoryInput(input)
let stream = unsafeMemoryInput(input)
var reader = init(SszReader, stream)
reader.readValue(result)

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@ -50,7 +50,7 @@ proc runTest[T, U](
"[Invalid] "
test prefix & baseDescription & testSuiteName & " - " & identifier:
var preState = newClone(
let preState = newClone(
parseTest(testDir/"pre.ssz_snappy", SSZ, phase0.BeaconState))
let done = applyProc(
preState[], parseTest(testDir/(applyFile & ".ssz_snappy"), SSZ, T))

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@ -71,7 +71,7 @@ proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
# TODO check the value (requires YAML loader)
proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
var s = openFileStream(dir/"roots.yaml")
let s = openFileStream(dir/"roots.yaml")
yaml.load(s, result)
s.close()

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@ -30,7 +30,7 @@ template runSuite(suiteDir, testName: string, transitionProc: untyped): untyped
test testName & " - " & unitTestName & preset():
# BeaconState objects are stored on the heap to avoid stack overflow
type T = phase0.BeaconState
var preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let preState {.inject.} = newClone(parseTest(testDir/"pre.ssz_snappy", SSZ, T))
let postState = newClone(parseTest(testDir/"post.ssz_snappy", SSZ, T))
var cache {.inject, used.} = StateCache()
var info {.inject.}: EpochInfo

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@ -266,7 +266,7 @@ proc runTest(path: string, fork: BeaconBlockFork) =
defer:
db.close()
var stores = case fork
let stores = case fork
of BeaconBlockFork.Phase0:
initialLoad(
path, db,

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@ -84,8 +84,8 @@ type
proc checkBasic(T: typedesc,
dir: string,
expectedHash: SSZHashTreeRoot) =
var fileContents = snappy.decode(readFileBytes(dir/"serialized.ssz_snappy"), MaxObjectSize)
var deserialized = newClone(sszDecodeEntireInput(fileContents, T))
let fileContents = snappy.decode(readFileBytes(dir/"serialized.ssz_snappy"), MaxObjectSize)
let deserialized = newClone(sszDecodeEntireInput(fileContents, T))
let expectedHash = expectedHash.root
let actualHash = "0x" & toLowerASCII($hash_tree_root(deserialized[]))
@ -106,10 +106,10 @@ macro testVector(typeIdent: string, size: int): untyped =
let types = ["bool", "uint8", "uint16", "uint32", "uint64", "uint128", "uint256"]
let sizes = [1, 2, 3, 4, 5, 8, 16, 31, 512, 513]
var dispatcher = nnkIfStmt.newTree()
let dispatcher = nnkIfStmt.newTree()
for t in types:
# if typeIdent == t // elif typeIdent == t
var sizeDispatch = nnkIfStmt.newTree()
let sizeDispatch = nnkIfStmt.newTree()
for s in sizes:
# if size == s // elif size == s
let T = nnkBracketExpr.newTree(
@ -119,7 +119,7 @@ macro testVector(typeIdent: string, size: int): untyped =
of "uint256": ident("UInt256")
else: ident(t)
)
var testStmt = quote do:
let testStmt = quote do:
checkBasic(`T`, dir, expectedHash)
sizeDispatch.add nnkElifBranch.newTree(
newCall(ident"==", size, newLit(s)),
@ -196,7 +196,7 @@ proc sszCheck(baseDir, sszType, sszSubType: string) =
# Hash tree root
var expectedHash: SSZHashTreeRoot
if fileExists(dir/"meta.yaml"):
var s = openFileStream(dir/"meta.yaml")
let s = openFileStream(dir/"meta.yaml")
defer: close(s)
yaml.load(s, expectedHash)

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@ -8,7 +8,7 @@
# import ../interpreter # included to be able to use "suite"
func setup_finality_01(): tuple[fork_choice: ForkChoiceBackend, ops: seq[Operation]] =
var balances = @[Gwei(1), Gwei(1)]
let balances = @[Gwei(1), Gwei(1)]
let GenesisRoot = fakeHash(0)
# Initialize the fork choice context

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@ -8,7 +8,7 @@
# import ../interpreter # included to be able to use "suite"
func setup_finality_02(): tuple[fork_choice: ForkChoiceBackend, ops: seq[Operation]] =
var balances = @[Gwei(1), Gwei(1)]
let balances = @[Gwei(1), Gwei(1)]
let GenesisRoot = fakeHash(0)
# Initialize the fork choice context

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@ -32,7 +32,7 @@ suite "[Unit - Spec - Block processing] Deposits " & preset():
template valid_deposit(deposit_amount: uint64, name: string): untyped =
test "Deposit " & name & " MAX_EFFECTIVE_BALANCE balance (" &
$(MAX_EFFECTIVE_BALANCE div 10'u64^9) & " ETH)":
var state = assignClone(genesisState[])
let state = assignClone(genesisState[])
# Test configuration
# ----------------------------------------
@ -73,7 +73,7 @@ suite "[Unit - Spec - Block processing] Deposits " & preset():
valid_deposit(MAX_EFFECTIVE_BALANCE + 1, "over")
test "Validator top-up":
var state = assignClone(genesisState[])
let state = assignClone(genesisState[])
# Test configuration
# ----------------------------------------
@ -113,12 +113,12 @@ suite "[Unit - Spec - Block processing] Deposits " & preset():
template invalid_signature(deposit_amount: uint64, name: string): untyped =
test "Invalid deposit " & name & " MAX_EFFECTIVE_BALANCE balance (" &
$(MAX_EFFECTIVE_BALANCE div 10'u64^9) & " ETH)":
var state = assignClone(genesisState[])
let state = assignClone(genesisState[])
# Test configuration
# ----------------------------------------
let validator_index = state.data.validators.len
var deposit = mockUpdateStateForNewDeposit(
let deposit = mockUpdateStateForNewDeposit(
state.data,
uint64 validator_index,
deposit_amount,

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@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Copyright (c) 2018-2022 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).
@ -222,7 +222,7 @@ proc payload =
doAssert getStateField(genesisState[], validators).lenu64 == NumValidators
setup:
var state = assignClone(genesisState[])
let state = assignClone(genesisState[])
test " Rule I - 234 finalization with enough support":
finalizeOn234(state[], Epoch 5, sufficient_support = true)

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@ -253,7 +253,7 @@ suite "Attestation pool processing" & preset():
for j in 0..<bc0.len():
root.data[8..<16] = toBytesBE(j.uint64)
var att = makeAttestation(state[].data, root, bc0[j], cache)
let att = makeAttestation(state[].data, root, bc0[j], cache)
pool[].addAttestation(
att, @[bc0[j]], att.loadSig, att.data.slot.start_beacon_time)
inc attestations

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@ -92,7 +92,7 @@ suite "Beacon chain DB" & preset():
db.getPhase0Block(Eth2Digest()).isNone
test "sanity check phase 0 blocks" & preset():
var db = BeaconChainDB.new("", inMemory = true)
let db = BeaconChainDB.new("", inMemory = true)
let
signedBlock = withDigest((phase0.TrustedBeaconBlock)())
@ -131,7 +131,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Altair blocks" & preset():
var db = BeaconChainDB.new("", inMemory = true)
let db = BeaconChainDB.new("", inMemory = true)
let
signedBlock = withDigest((altair.TrustedBeaconBlock)())
@ -170,7 +170,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Bellatrix blocks" & preset():
var db = BeaconChainDB.new("", inMemory = true)
let db = BeaconChainDB.new("", inMemory = true)
let
signedBlock = withDigest((bellatrix.TrustedBeaconBlock)())
@ -209,7 +209,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check phase 0 states" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
for state in testStatesPhase0:
let root = state[].phase0Data.root
@ -227,7 +227,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Altair states" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
for state in testStatesAltair:
let root = state[].altairData.root
@ -245,7 +245,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Bellatrix states" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
for state in testStatesBellatrix:
let root = state[].bellatrixData.root
@ -263,7 +263,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check phase 0 states, reusing buffers" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
let stateBuffer = (phase0.BeaconStateRef)()
for state in testStatesPhase0:
@ -283,7 +283,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Altair states, reusing buffers" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
let stateBuffer = (altair.BeaconStateRef)()
for state in testStatesAltair:
@ -303,7 +303,7 @@ suite "Beacon chain DB" & preset():
db.close()
test "sanity check Bellatrix states, reusing buffers" & preset():
var db = makeTestDB(SLOTS_PER_EPOCH)
let db = makeTestDB(SLOTS_PER_EPOCH)
let stateBuffer = (bellatrix.BeaconStateRef)()
for state in testStatesBellatrix:

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@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Copyright (c) 2018-2022 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).
@ -224,7 +224,7 @@ suite "Block pool processing" & preset():
bs1_3 = b1Add[].atSlot(3.Slot)
bs2_3 = b2Add[].atSlot(3.Slot)
var tmpState = assignClone(dag.headState)
let tmpState = assignClone(dag.headState)
# move to specific block
var cache = StateCache()
@ -461,7 +461,7 @@ suite "chain DAG finalization tests" & preset():
getStateRoot(dag2.headState.data) == getStateRoot(dag.headState.data)
test "orphaned epoch block" & preset():
var prestate = (ref ForkedHashedBeaconState)(kind: BeaconStateFork.Phase0)
let prestate = (ref ForkedHashedBeaconState)(kind: BeaconStateFork.Phase0)
for i in 0 ..< SLOTS_PER_EPOCH:
if i == SLOTS_PER_EPOCH - 1:
assign(prestate[], dag.headState.data)
@ -512,7 +512,7 @@ suite "chain DAG finalization tests" & preset():
defaultRuntimeConfig, dag.headState.data, Slot(SLOTS_PER_EPOCH * 6 + 2),
cache, info, {}).isOk()
var blck = makeTestBlock(
let blck = makeTestBlock(
dag.headState.data, cache,
attestations = makeFullAttestations(
dag.headState.data, dag.head.root, getStateField(dag.headState.data, slot),
@ -628,7 +628,7 @@ suite "Diverging hardforks":
let validatorMonitorAltair = newClone(ValidatorMonitor.init())
var dagAltair = init(
let dagAltair = init(
ChainDAGRef, altairRuntimeConfig, db, validatorMonitorAltair, {})
discard AttestationPool.init(dagAltair, quarantine)
@ -660,7 +660,7 @@ suite "Diverging hardforks":
let validatorMonitor = newClone(ValidatorMonitor.init())
var dagAltair = init(
let dagAltair = init(
ChainDAGRef, altairRuntimeConfig, db, validatorMonitor, {})
discard AttestationPool.init(dagAltair, quarantine)

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@ -243,7 +243,7 @@ suite "Gossip validation - Extra": # Not based on preset config
let
contribution = block:
var contribution = (ref SignedContributionAndProof)()
let contribution = (ref SignedContributionAndProof)()
check: syncCommitteeMsgPool[].produceContribution(
slot, state[].root, subcommitteeIdx,
contribution.message.contribution)

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@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Copyright (c) 2018-2022 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).
@ -288,7 +288,7 @@ suite "KeyStorage testing suite":
checkVariant "75ea" # checksum
checkVariant "b722" # cipher
var badKdf = parseJson(pbkdf2Vector)
let badKdf = parseJson(pbkdf2Vector)
badKdf{"crypto", "kdf", "function"} = %"invalid"
check decryptKeystore(JsonString $badKdf,
@ -296,7 +296,7 @@ suite "KeyStorage testing suite":
suite "eth2.0-deposits-cli compatibility":
test "restoring mnemonic without password":
var mnemonic = Mnemonic "camera dad smile sail injury warfare grid kiwi report minute fold slot before stem firm wet vague shove version medal one alley vibrant mushroom"
let mnemonic = Mnemonic "camera dad smile sail injury warfare grid kiwi report minute fold slot before stem firm wet vague shove version medal one alley vibrant mushroom"
let seed = getSeed(mnemonic, KeystorePass.init "")
check byteutils.toHex(distinctBase seed) == "60043d6e1efe0eea2ef1c8e7d4bb2d79cb27d3403e992b6058998c27c373cfb6fe047b11405360bb224803726fd6b0ee9e3335ae7d9032e6cb49baf08697cf2a"
@ -324,7 +324,7 @@ suite "eth2.0-deposits-cli compatibility":
v3WK.toHex == "56b158b3b170e9c339b94b895afc28964a0b6d7a0809a39b558ca8b6688487cd"
test "restoring mnemonic with password":
var mnemonic = Mnemonic "swear umbrella lesson couch void gentle rocket valley distance match floor rocket flag solve muscle common modify target city youth pottery predict flip ghost"
let mnemonic = Mnemonic "swear umbrella lesson couch void gentle rocket valley distance match floor rocket flag solve muscle common modify target city youth pottery predict flip ghost"
let seed = getSeed(mnemonic, KeystorePass.init "abracadabra!@#$%^7890")
check byteutils.toHex(distinctBase seed) == "f129c3ac003a07e54974d8dbeb08d20c2343fc516e0e3704570c500a4b6ed98bad2e6fec6a3b9a88076c17feaa0d01163855578cb08bae53860d0ae2558cf03e"

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@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Copyright (c) 2018-2022 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).
@ -35,7 +35,7 @@ suite "state diff tests" & preset():
getStateField(testStates[j][], slot)
if getStateField(testStates[i][], slot) + SLOTS_PER_EPOCH != getStateField(testStates[j][], slot):
continue
var tmpStateApplyBase = assignClone(testStates[i].altairData.data)
let tmpStateApplyBase = assignClone(testStates[i].altairData.data)
let diff = diffStates(
testStates[i].altairData.data, testStates[j].altairData.data)
# Immutable parts of validators stored separately, so aren't part of

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@ -149,7 +149,7 @@ proc makeTestBlock*(
# It's a bit awkward - in order to produce a block for N+1, we need to
# calculate what the state will look like after that block has been applied,
# because the block includes the state root.
var tmpState = assignClone(state)
let tmpState = assignClone(state)
addTestBlock(
tmpState[], cache, eth1_data,
attestations, deposits, sync_aggregate, graffiti, cfg = cfg)