public void MaximumPenalties()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
StateListLengths stateListLengths = testServiceProvider.GetService <IOptions <StateListLengths> >().Value;
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
int slashedCount = (state.Validators.Count / 3) + 1;
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
Epoch outEpoch = currentEpoch + new Epoch((ulong)stateListLengths.EpochsPerSlashingsVector / 2);
var slashedIndices = Enumerable.Range(0, slashedCount).ToList();
SlashValidators(testServiceProvider, state, slashedIndices, Enumerable.Repeat(outEpoch, slashedCount));
Gwei totalBalance = beaconStateAccessor.GetTotalActiveBalance(state);
Gwei totalPenalties = state.Slashings.Aggregate(Gwei.Zero, (accumulator, x) => accumulator + x);
(totalBalance / 3).ShouldBeLessThanOrEqualTo(totalPenalties);
// Act
RunProcessSlashings(testServiceProvider, state);
// Assert
foreach (int index in slashedIndices)
{
state.Balances[index].ShouldBe(Gwei.Zero, $"Incorrect balance {index}");
}
}
// Run ``process_voluntary_exit``, yielding:
// - pre-state('pre')
// - voluntary_exit('voluntary_exit')
// - post-state('post').
//If ``valid == False``, run expecting ``AssertionError``
private void RunVoluntaryExitProcessing(IServiceProvider testServiceProvider, BeaconState state, VoluntaryExit voluntaryExit, bool expectValid)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
// Act
if (!expectValid)
{
Should.Throw <Exception>(() =>
{
beaconStateTransition.ProcessVoluntaryExit(state, voluntaryExit);
});
return;
}
ValidatorIndex validatorIndex = voluntaryExit.ValidatorIndex;
Epoch preExitEpoch = state.Validators[(int)(ulong)validatorIndex].ExitEpoch;
beaconStateTransition.ProcessVoluntaryExit(state, voluntaryExit);
// Assert
preExitEpoch.ShouldBe(chainConstants.FarFutureEpoch);
Epoch postExitEpoch = state.Validators[(int)(ulong)validatorIndex].ExitEpoch;
postExitEpoch.ShouldBeLessThan(chainConstants.FarFutureEpoch);
}
public void BasicActivation()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
int index = 0;
MockDeposit(testServiceProvider, state, index);
for (ulong count = (ulong)0; count < (ulong)timeParameters.MaximumSeedLookahead + 1; count++)
{
TestState.NextEpoch(testServiceProvider, state);
}
// Act
RunProcessRegistryUpdates(testServiceProvider, state);
// Assert
Validator validator = state.Validators[index];
validator.ActivationEligibilityEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
validator.ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
bool isActive = beaconChainUtility.IsActiveValidator(validator, currentEpoch);
isActive.ShouldBeTrue();
}
/// <summary>
/// Prepare the state for the deposit, and create a deposit for the given validator, depositing the given amount.
/// </summary>
public static Deposit PrepareStateAndDeposit(IServiceProvider testServiceProvider, BeaconState state, ValidatorIndex validatorIndex, Gwei amount, Bytes32 withdrawalCredentials, bool signed)
{
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
InitialValues initialValues = testServiceProvider.GetService <IOptions <InitialValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
BlsPublicKey[] publicKeys = TestKeys.PublicKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)validatorIndex];
BlsPublicKey publicKey = publicKeys[(int)(ulong)validatorIndex];
if (withdrawalCredentials == Bytes32.Zero)
{
// insecurely use pubkey as withdrawal key if no credentials provided
byte[] withdrawalCredentialBytes = TestSecurity.Hash(publicKey.AsSpan());
withdrawalCredentialBytes[0] = initialValues.BlsWithdrawalPrefix;
withdrawalCredentials = new Bytes32(withdrawalCredentialBytes);
}
List <DepositData> depositDataList = new List <DepositData>();
(Deposit deposit, Root depositRoot) = BuildDeposit(testServiceProvider, state, depositDataList, publicKey, privateKey, amount, withdrawalCredentials, signed);
state.SetEth1DepositIndex(0);
state.Eth1Data.SetDepositRoot(depositRoot);
state.Eth1Data.SetDepositCount((ulong)depositDataList.Count);
return(deposit);
}
// def get_valid_attestation(spec, state, slot=None, index=None, signed=False):
public static Attestation GetValidAttestation(IServiceProvider testServiceProvider, BeaconState state, Slot slot, CommitteeIndex index, bool signed)
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
if (slot == Slot.None)
{
slot = state.Slot;
}
if (index == CommitteeIndex.None)
{
index = new CommitteeIndex(0);
}
AttestationData attestationData = BuildAttestationData(testServiceProvider, state, slot, index);
IReadOnlyList <ValidatorIndex> beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestationData.Slot, attestationData.Index);
int committeeSize = beaconCommittee.Count;
BitArray aggregationBits = new BitArray(committeeSize);
Attestation attestation = new Attestation(aggregationBits, attestationData, BlsSignature.Zero);
FillAggregateAttestation(state, attestation, beaconStateAccessor);
if (signed)
{
SignAttestation(testServiceProvider, state, attestation);
}
return(attestation);
}
public static AttesterSlashing GetValidAttesterSlashing(IServiceProvider testServiceProvider, BeaconState state, bool signed1, bool signed2)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
Attestation attestation1 = TestAttestation.GetValidAttestation(testServiceProvider, state, Slot.None, CommitteeIndex.None, signed1);
Hash32 targetRoot2 = new Hash32(Enumerable.Repeat((byte)0x01, 32).ToArray());
Attestation attestation2 = new Attestation(
attestation1.AggregationBits,
new AttestationData(attestation1.Data.Slot,
attestation1.Data.Index,
attestation1.Data.BeaconBlockRoot,
attestation1.Data.Source,
new Checkpoint(
attestation1.Data.Target.Epoch,
targetRoot2
)),
BlsSignature.Empty
);
if (signed2)
{
TestAttestation.SignAttestation(testServiceProvider, state, attestation2);
}
IndexedAttestation indexedAttestation1 = beaconStateAccessor.GetIndexedAttestation(state, attestation1);
IndexedAttestation indexedAttestation2 = beaconStateAccessor.GetIndexedAttestation(state, attestation2);
AttesterSlashing attesterSlashing = new AttesterSlashing(indexedAttestation1, indexedAttestation2);
return(attesterSlashing);
}
private async Task RunOnAttestation(IServiceProvider testServiceProvider, BeaconState state, IStore store, Attestation attestation, bool expectValid)
{
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
if (!expectValid)
{
Should.Throw <Exception>(async() =>
{
await forkChoice.OnAttestationAsync(store, attestation);
});
return;
}
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
IndexedAttestation indexedAttestation = beaconStateAccessor.GetIndexedAttestation(state, attestation);
await forkChoice.OnAttestationAsync(store, attestation);
IEnumerable <ValidatorIndex> attestingIndices = beaconStateAccessor.GetAttestingIndices(state, attestation.Data, attestation.AggregationBits);
ValidatorIndex firstAttestingIndex = attestingIndices.First();
LatestMessage latestMessage = (await store.GetLatestMessageAsync(firstAttestingIndex, true)) !;
latestMessage.Epoch.ShouldBe(attestation.Data.Target.Epoch);
latestMessage.Root.ShouldBe(attestation.Data.BeaconBlockRoot);
}
public void InvalidSignature()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
// move state forward PERSISTENT_COMMITTEE_PERIOD epochs to allow for exit
ulong move = timeParameters.SlotsPerEpoch * (ulong)timeParameters.PersistentCommitteePeriod;
ulong newSlot = state.Slot + move;
state.SetSlot((Slot)newSlot);
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
ValidatorIndex validatorIndex = beaconStateAccessor.GetActiveValidatorIndices(state, currentEpoch)[0];
Validator validator = state.Validators[(int)(ulong)validatorIndex];
byte[] privateKey = TestKeys.PublicKeyToPrivateKey(validator.PublicKey, timeParameters);
VoluntaryExit voluntaryExit = TestVoluntaryExit.BuildVoluntaryExit(testServiceProvider, currentEpoch, validatorIndex);
SignedVoluntaryExit signedVoluntaryExit = new SignedVoluntaryExit(voluntaryExit, BlsSignature.Zero);
RunVoluntaryExitProcessing(testServiceProvider, state, signedVoluntaryExit, expectValid: false);
}
public static void SignDepositData(IServiceProvider testServiceProvider, DepositData depositData, byte[] privateKey, BeaconState?state)
{
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
Domain domain;
if (state == null)
{
// Genesis
domain = beaconChainUtility.ComputeDomain(signatureDomains.Deposit);
}
else
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
domain = beaconStateAccessor.GetDomain(state, signatureDomains.Deposit, Epoch.None);
}
DepositMessage depositMessage = new DepositMessage(depositData.PublicKey, depositData.WithdrawalCredentials, depositData.Amount);
Root depositMessageRoot = cryptographyService.HashTreeRoot(depositMessage);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(depositMessageRoot, domain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
depositData.SetSignature(signature);
}
public void ProposerIndexForFirstTwoEpochsMustBeValid()
{
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
IStore store = forkChoice.GetGenesisStore(state);
// Move forward time
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
ulong time = state.GenesisTime + 1;
ulong nextSlotTime = state.GenesisTime;
ValidatorIndex maximumValidatorIndex = new ValidatorIndex((ulong)state.Validators.Count - 1);
ValidatorIndex validatorIndex0 = beaconStateAccessor.GetBeaconProposerIndex(state);
Console.WriteLine("Slot {0}, time {1} = proposer index {2}", state.Slot, time, validatorIndex0);
validatorIndex0.ShouldBeLessThanOrEqualTo(maximumValidatorIndex);
List <ValidatorIndex> proposerIndexes = new List <ValidatorIndex>();
proposerIndexes.Add(validatorIndex0);
for (int slotIndex = 1; slotIndex <= 16; slotIndex++)
{
// Slot 1
nextSlotTime = nextSlotTime + timeParameters.SecondsPerSlot;
while (time < nextSlotTime)
{
forkChoice.OnTick(store, time);
time++;
}
forkChoice.OnTick(store, time);
time++;
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, signed: true);
TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
forkChoice.OnBlock(store, block);
forkChoice.OnTick(store, time);
time++;
ValidatorIndex validatorIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
Console.WriteLine("Slot {0}, time {1} = proposer index {2}", state.Slot, time, validatorIndex);
validatorIndex.ShouldBeLessThanOrEqualTo(maximumValidatorIndex);
proposerIndexes.Add(validatorIndex);
}
for (var slotIndex = 0; slotIndex < proposerIndexes.Count; slotIndex++)
{
ValidatorIndex proposerIndex = proposerIndexes[slotIndex];
Validator proposer = state.Validators[(int)(ulong)proposerIndex];
Console.WriteLine("Slot {0} = proposer index {1}, public key {2}", slotIndex, proposerIndex, proposer.PublicKey);
}
}
public static void SignAttestation(IServiceProvider testServiceProvider, BeaconState state, Attestation attestation)
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
IReadOnlyList <ValidatorIndex> participants = beaconStateAccessor.GetAttestingIndices(state, attestation.Data, attestation.AggregationBits);
BlsSignature signature = SignAggregateAttestation(testServiceProvider, state, attestation.Data, participants);
attestation.SetSignature(signature);
}
private static void FillAggregateAttestation(BeaconState state, Attestation attestation,
BeaconStateAccessor beaconStateAccessor)
{
var beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestation.Data.Slot, attestation.Data.Index);
for (var i = 0; i < beaconCommittee.Count; i++)
{
attestation.AggregationBits[i] = true;
}
}
private static void FillAggregateAttestation(BeaconState state, Attestation attestation,
BeaconStateAccessor beaconStateAccessor)
{
IReadOnlyList <ValidatorIndex> beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestation.Data.Slot, attestation.Data.Index);
for (int i = 0; i < beaconCommittee.Count; i++)
{
attestation.AggregationBits[i] = true;
}
}
public async Task GenesisWithEmptyParametersTimeShouldReject()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
IOptionsMonitor <MiscellaneousParameters> miscellaneousParameterOptions = testServiceProvider.GetService <IOptionsMonitor <MiscellaneousParameters> >();
IOptionsMonitor <GweiValues> gweiValueOptions = testServiceProvider.GetService <IOptionsMonitor <GweiValues> >();
IOptionsMonitor <InitialValues> initialValueOptions = testServiceProvider.GetService <IOptionsMonitor <InitialValues> >();
IOptionsMonitor <TimeParameters> timeParameterOptions = testServiceProvider.GetService <IOptionsMonitor <TimeParameters> >();
IOptionsMonitor <StateListLengths> stateListLengthOptions = testServiceProvider.GetService <IOptionsMonitor <StateListLengths> >();
IOptionsMonitor <RewardsAndPenalties> rewardsAndPenaltiesOptions = testServiceProvider.GetService <IOptionsMonitor <RewardsAndPenalties> >();
IOptionsMonitor <MaxOperationsPerBlock> maxOperationsPerBlockOptions = testServiceProvider.GetService <IOptionsMonitor <MaxOperationsPerBlock> >();
IOptionsMonitor <ForkChoiceConfiguration> forkChoiceConfigurationOptions = testServiceProvider.GetService <IOptionsMonitor <ForkChoiceConfiguration> >();
IOptionsMonitor <SignatureDomains> signatureDomainOptions = testServiceProvider.GetService <IOptionsMonitor <SignatureDomains> >();
miscellaneousParameterOptions.CurrentValue.MinimumGenesisActiveValidatorCount = 2;
LoggerFactory loggerFactory = new LoggerFactory(new[] {
new ConsoleLoggerProvider(TestOptionsMonitor.Create(new ConsoleLoggerOptions()))
});
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = new BeaconChainUtility(loggerFactory.CreateLogger <BeaconChainUtility>(),
miscellaneousParameterOptions, gweiValueOptions, timeParameterOptions,
cryptographyService);
BeaconStateAccessor beaconStateAccessor = new BeaconStateAccessor(miscellaneousParameterOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility);
BeaconStateMutator beaconStateMutator = new BeaconStateMutator(chainConstants, timeParameterOptions, stateListLengthOptions, rewardsAndPenaltiesOptions,
beaconChainUtility, beaconStateAccessor);
BeaconStateTransition beaconStateTransition = new BeaconStateTransition(loggerFactory.CreateLogger <BeaconStateTransition>(),
chainConstants, miscellaneousParameterOptions, gweiValueOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, rewardsAndPenaltiesOptions, maxOperationsPerBlockOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateMutator);
BeaconNode.Genesis beaconChain = new BeaconNode.Genesis(loggerFactory.CreateLogger <BeaconNode.Genesis>(),
chainConstants, miscellaneousParameterOptions,
gweiValueOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, maxOperationsPerBlockOptions,
cryptographyService, beaconStateAccessor, beaconStateTransition);
MemoryStoreProvider storeProvider = new MemoryStoreProvider(loggerFactory, timeParameterOptions);
ForkChoice forkChoice = new ForkChoice(loggerFactory.CreateLogger <ForkChoice>(),
miscellaneousParameterOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, maxOperationsPerBlockOptions, forkChoiceConfigurationOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateTransition, storeProvider);
ChainStart chainStart = new ChainStart(loggerFactory.CreateLogger <ChainStart>(), beaconChain, forkChoice);
// Act
Hash32 eth1BlockHash = Hash32.Zero;
ulong eth1Timestamp = 106185600uL; // 1973-05-14
Deposit[] deposits = Array.Empty <Deposit>();
bool success = await chainStart.TryGenesisAsync(eth1BlockHash, eth1Timestamp, deposits);
// Assert
success.ShouldBeFalse();
}
public static void SignBlock(IServiceProvider testServiceProvider, BeaconState state, BeaconBlock block, ValidatorIndex proposerIndex)
{
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
if (state.Slot > block.Slot)
{
throw new ArgumentOutOfRangeException("block.Slot", block.Slot, $"Slot of block must be equal or less that state slot {state.Slot}");
}
Epoch blockEpoch = beaconChainUtility.ComputeEpochAtSlot(block.Slot);
if (proposerIndex == ValidatorIndex.None)
{
if (block.Slot == state.Slot)
{
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
}
else
{
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
if (stateEpoch + 1 > blockEpoch)
{
Console.WriteLine("WARNING: Block slot far away, and no proposer index manually given."
+ " Signing block is slow due to transition for proposer index calculation.");
}
// use stub state to get proposer index of future slot
BeaconState stubState = BeaconState.Clone(state);
beaconStateTransition.ProcessSlots(stubState, block.Slot);
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(stubState);
}
}
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)proposerIndex];
Domain randaoDomain = beaconStateAccessor.GetDomain(state, signatureDomains.Randao, blockEpoch);
Hash32 randaoRevealHash = blockEpoch.HashTreeRoot();
BlsSignature randaoReveal = TestSecurity.BlsSign(randaoRevealHash, privateKey, randaoDomain);
block.Body.SetRandaoReveal(randaoReveal);
Domain signatureDomain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconProposer, blockEpoch);
Hash32 signingRoot = cryptographyService.SigningRoot(block);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey, signatureDomain);
block.SetSignature(signature);
}
public SimpleLatestMessageDrivenGreedyHeaviestObservedSubtree(
ILogger <SimpleLatestMessageDrivenGreedyHeaviestObservedSubtree> logger,
ChainConstants chainConstants,
BeaconChainUtility beaconChainUtility,
BeaconStateAccessor beaconStateAccessor)
{
_logger = logger;
_chainConstants = chainConstants;
_beaconChainUtility = beaconChainUtility;
_beaconStateAccessor = beaconStateAccessor;
}
public QuickStartMockEth1DataProvider(IOptionsMonitor <TimeParameters> timeParameterOptions,
ICryptographyService cryptographyService,
BeaconStateAccessor beaconStateAccessor,
IForkChoice forkChoice,
IStore store)
{
_timeParameterOptions = timeParameterOptions;
_cryptographyService = cryptographyService;
_beaconStateAccessor = beaconStateAccessor;
_forkChoice = forkChoice;
_store = store;
}
public static SignedBeaconBlock SignBlock(IServiceProvider testServiceProvider, BeaconState state, BeaconBlock block, ValidatorIndex?optionalProposerIndex)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
if (state.Slot > block.Slot)
{
throw new ArgumentOutOfRangeException("block.Slot", block.Slot, $"Slot of block must be equal or less that state slot {state.Slot}");
}
Epoch blockEpoch = beaconChainUtility.ComputeEpochAtSlot(block.Slot);
ValidatorIndex proposerIndex;
if (optionalProposerIndex.HasValue)
{
proposerIndex = optionalProposerIndex.Value;
}
else
{
if (block.Slot == state.Slot)
{
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
}
else
{
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
if (stateEpoch + 1 > blockEpoch)
{
Console.WriteLine("WARNING: Block slot far away, and no proposer index manually given."
+ " Signing block is slow due to transition for proposer index calculation.");
}
// use stub state to get proposer index of future slot
BeaconState stubState = BeaconState.Clone(state);
beaconStateTransition.ProcessSlots(stubState, block.Slot);
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(stubState);
}
}
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)proposerIndex];
Root blockHashTreeRoot = cryptographyService.HashTreeRoot(block);
Domain proposerDomain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconProposer, blockEpoch);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(blockHashTreeRoot, proposerDomain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
return(new SignedBeaconBlock(block, signature));
}
public static BlsSignature GetAttestationSignature(IServiceProvider testServiceProvider, BeaconState state, AttestationData attestationData, byte[] privateKey)
{
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
Root attestationDataRoot = attestationData.HashTreeRoot();
Domain domain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconAttester, attestationData.Target.Epoch);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(attestationDataRoot, domain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
return(signature);
}
public MockedEth1DataProvider(IOptionsMonitor <TimeParameters> timeParameterOptions,
IOptionsMonitor <HonestValidatorConstants> honestValidatorConstantOptions,
ICryptographyService cryptographyService,
BeaconStateAccessor beaconStateAccessor,
ForkChoice forkChoice,
IStoreProvider storeProvider)
{
_timeParameterOptions = timeParameterOptions;
_honestValidatorConstantOptions = honestValidatorConstantOptions;
_cryptographyService = cryptographyService;
_beaconStateAccessor = beaconStateAccessor;
_forkChoice = forkChoice;
_storeProvider = storeProvider;
}
public static SignedBeaconBlockHeader SignBlockHeader(IServiceProvider testServiceProvider, BeaconState state, BeaconBlockHeader header, byte[] privateKey)
{
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
IBeaconChainUtility beaconChainUtility = testServiceProvider.GetService <IBeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
Root headerRoot = cryptographyService.HashTreeRoot(header);
Domain domain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconProposer, Epoch.None);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(headerRoot, domain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
return(new SignedBeaconBlockHeader(header, signature));
}
public async Task GenesisWithEmptyParametersTimeShouldReject()
{
// Arrange
var testServiceProvider = TestSystem.BuildTestServiceProvider();
var chainConstants = testServiceProvider.GetService <ChainConstants>();
var miscellaneousParameterOptions = testServiceProvider.GetService <IOptionsMonitor <MiscellaneousParameters> >();
var gweiValueOptions = testServiceProvider.GetService <IOptionsMonitor <GweiValues> >();
var initialValueOptions = testServiceProvider.GetService <IOptionsMonitor <InitialValues> >();
var timeParameterOptions = testServiceProvider.GetService <IOptionsMonitor <TimeParameters> >();
var stateListLengthOptions = testServiceProvider.GetService <IOptionsMonitor <StateListLengths> >();
var rewardsAndPenaltiesOptions = testServiceProvider.GetService <IOptionsMonitor <RewardsAndPenalties> >();
var maxOperationsPerBlockOptions = testServiceProvider.GetService <IOptionsMonitor <MaxOperationsPerBlock> >();
var signatureDomainOptions = testServiceProvider.GetService <IOptionsMonitor <SignatureDomains> >();
miscellaneousParameterOptions.CurrentValue.MinimumGenesisActiveValidatorCount = 2;
var loggerFactory = new LoggerFactory(new[] {
new ConsoleLoggerProvider(TestOptionsMonitor.Create(new ConsoleLoggerOptions()))
});
var cryptographyService = new CryptographyService();
var beaconChainUtility = new BeaconChainUtility(loggerFactory.CreateLogger <BeaconChainUtility>(),
miscellaneousParameterOptions, gweiValueOptions, timeParameterOptions,
cryptographyService);
var beaconStateAccessor = new BeaconStateAccessor(miscellaneousParameterOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility);
var beaconStateMutator = new BeaconStateMutator(chainConstants, timeParameterOptions, stateListLengthOptions, rewardsAndPenaltiesOptions,
beaconChainUtility, beaconStateAccessor);
var beaconStateTransition = new BeaconStateTransition(loggerFactory.CreateLogger <BeaconStateTransition>(),
chainConstants, miscellaneousParameterOptions, gweiValueOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, rewardsAndPenaltiesOptions, maxOperationsPerBlockOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateMutator);
var beaconChain = new BeaconChain(loggerFactory.CreateLogger <BeaconChain>(),
chainConstants, miscellaneousParameterOptions,
gweiValueOptions, initialValueOptions, timeParameterOptions, stateListLengthOptions, maxOperationsPerBlockOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateMutator, beaconStateTransition);
// Act
var eth1BlockHash = Hash32.Zero;
var eth1Timestamp = (ulong)106185600; // 1973-05-14
var deposits = Array.Empty <Deposit>();
var success = await beaconChain.TryGenesisAsync(eth1BlockHash, eth1Timestamp, deposits);
// Assert
success.ShouldBeFalse();
beaconChain.State.ShouldBeNull();
}
public void ActivationQueueSorting()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
int mockActivations = 10;
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
for (int index = 0; index < mockActivations; index++)
{
MockDeposit(testServiceProvider, state, index);
state.Validators[index].SetEligible(currentEpoch + Epoch.One);
}
// eligibility must be finalized
state.SetFinalizedCheckpoint(new Checkpoint(currentEpoch + new Epoch(2), Root.Zero));
// give the last priority over the others
state.Validators[mockActivations - 1].SetEligible(currentEpoch);
// make sure we are hitting the churn
int churnLimit = (int)beaconStateAccessor.GetValidatorChurnLimit(state);
mockActivations.ShouldBeGreaterThan(churnLimit);
// Act
RunProcessRegistryUpdates(testServiceProvider, state);
// Assert
//# the first got in as second
state.Validators[0].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
//# the prioritized got in as first
state.Validators[mockActivations - 1].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
//# the second last is at the end of the queue, and did not make the churn,
//# hence is not assigned an activation_epoch yet.
state.Validators[mockActivations - 2].ActivationEpoch.ShouldBe(chainConstants.FarFutureEpoch);
//# the one at churn_limit - 1 did not make it, it was out-prioritized
state.Validators[churnLimit - 1].ActivationEpoch.ShouldBe(chainConstants.FarFutureEpoch);
//# but the the one in front of the above did
state.Validators[churnLimit - 2].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
}
public void Ejection()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
GweiValues gweiValues = testServiceProvider.GetService <IOptions <GweiValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
int index = 0;
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
Validator validator = state.Validators[index];
bool isActive = beaconChainUtility.IsActiveValidator(validator, currentEpoch);
isActive.ShouldBeTrue();
validator.ExitEpoch.ShouldBe(chainConstants.FarFutureEpoch);
// Mock an ejection
state.Validators[index].SetEffectiveBalance(gweiValues.EjectionBalance);
for (ulong count = (ulong)0; count < (ulong)timeParameters.MaximumSeedLookahead + 1; count++)
{
TestState.NextEpoch(testServiceProvider, state);
}
// Act
RunProcessRegistryUpdates(testServiceProvider, state);
// Assert
Epoch epochAfter = beaconStateAccessor.GetCurrentEpoch(state);
Validator validatorAfter = state.Validators[index];
bool isActiveAfter = beaconChainUtility.IsActiveValidator(validatorAfter, epochAfter);
isActiveAfter.ShouldBeFalse();
validatorAfter.ExitEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
}
public static (IList <Deposit>, Root) PrepareGenesisDeposits(IServiceProvider testServiceProvider, int genesisValidatorCount, Gwei amount, bool signed)
{
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
InitialValues initialValues = testServiceProvider.GetService <IOptions <InitialValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
BlsPublicKey[] publicKeys;
if (signed)
{
publicKeys = TestKeys.PublicKeys(timeParameters).ToArray();
}
else
{
publicKeys = privateKeys.Select(x => new BlsPublicKey(x)).ToArray();
}
List <DepositData> depositDataList = new List <DepositData>();
List <Deposit> genesisDeposits = new List <Deposit>();
Root root = Root.Zero;
for (int validatorIndex = 0; validatorIndex < genesisValidatorCount; validatorIndex++)
{
BlsPublicKey publicKey = publicKeys[validatorIndex];
byte[] privateKey = privateKeys[validatorIndex];
// insecurely use pubkey as withdrawal key if no credentials provided
byte[] withdrawalCredentialBytes = TestSecurity.Hash(publicKey.AsSpan());
withdrawalCredentialBytes[0] = initialValues.BlsWithdrawalPrefix;
Bytes32 withdrawalCredentials = new Bytes32(withdrawalCredentialBytes);
(Deposit deposit, Root depositRoot) = BuildDeposit(testServiceProvider, null, depositDataList, publicKey, privateKey, amount, withdrawalCredentials, signed);
root = depositRoot;
genesisDeposits.Add(deposit);
}
return(genesisDeposits, root);
}
private void MockDeposit(IServiceProvider testServiceProvider, BeaconState state, int index)
{
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
GweiValues gweiValues = testServiceProvider.GetService <IOptions <GweiValues> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
Validator validator = state.Validators[index];
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
bool isActive = beaconChainUtility.IsActiveValidator(validator, currentEpoch);
isActive.ShouldBeTrue();
validator.SetEligible(chainConstants.FarFutureEpoch);
validator.SetActive(chainConstants.FarFutureEpoch);
validator.SetEffectiveBalance(gweiValues.MaximumEffectiveBalance);
bool isActiveAfter = beaconChainUtility.IsActiveValidator(validator, currentEpoch);
isActiveAfter.ShouldBeFalse();
}
private void SlashValidators(IServiceProvider testServiceProvider, BeaconState state, IEnumerable <int> indices, IEnumerable <Epoch> outEpochs)
{
StateListLengths stateListLengths = testServiceProvider.GetService <IOptions <StateListLengths> >().Value;
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateMutator beaconStateMutator = testServiceProvider.GetService <BeaconStateMutator>();
Gwei totalSlashedBalance = Gwei.Zero;
var items = indices.Zip(outEpochs, (index, outEpoch) => new { index, outEpoch });
foreach (var item in items)
{
Validator validator = state.Validators[item.index];
validator.SetSlashed();
beaconStateMutator.InitiateValidatorExit(state, new ValidatorIndex((ulong)item.index));
validator.SetWithdrawableEpoch(item.outEpoch);
totalSlashedBalance += validator.EffectiveBalance;
}
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
Epoch slashingsIndex = (Epoch)(currentEpoch % stateListLengths.EpochsPerSlashingsVector);
state.SetSlashings(slashingsIndex, totalSlashedBalance);
}
public static BeaconBlock BuildEmptyBlock(IServiceProvider testServiceProvider, BeaconState state, Slot slot, BlsSignature randaoReveal)
{
//if (slot) is none
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
Eth1Data eth1Data = new Eth1Data(Root.Zero, state.Eth1DepositIndex, Bytes32.Zero);
Root stateRoot = !state.LatestBlockHeader.StateRoot.Equals(Root.Zero)
? state.LatestBlockHeader.StateRoot
: cryptographyService.HashTreeRoot(state);
BeaconBlockHeader previousBlockHeader = new BeaconBlockHeader(state.LatestBlockHeader.Slot,
state.LatestBlockHeader.ParentRoot, stateRoot, state.LatestBlockHeader.BodyRoot);
Root previousBlockHashTreeRoot = cryptographyService.HashTreeRoot(previousBlockHeader);
if (randaoReveal.Equals(BlsSignature.Zero))
{
Epoch blockEpoch = beaconChainUtility.ComputeEpochAtSlot(slot);
ValidatorIndex proposerIndex;
if (slot == state.Slot)
{
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
}
else
{
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
if (blockEpoch > stateEpoch + 1)
{
Console.WriteLine("WARNING: Block slot (epoch {0}) far away from state (epoch {1}), and no proposer index manually given."
+ " Signing block is slow due to transition for proposer index calculation.", blockEpoch, stateEpoch);
}
// use stub state to get proposer index of future slot
BeaconState stubState = BeaconState.Clone(state);
beaconStateTransition.ProcessSlots(stubState, slot);
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(stubState);
}
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)proposerIndex];
Domain randaoDomain = beaconStateAccessor.GetDomain(state, signatureDomains.Randao, blockEpoch);
Root epochHashTreeRoot = cryptographyService.HashTreeRoot(blockEpoch);
Root randaoSigningRoot = beaconChainUtility.ComputeSigningRoot(epochHashTreeRoot, randaoDomain);
randaoReveal = TestSecurity.BlsSign(randaoSigningRoot, privateKey);
}
BeaconBlock emptyBlock = new BeaconBlock(slot,
previousBlockHashTreeRoot,
Root.Zero,
new BeaconBlockBody(
randaoReveal,
eth1Data,
new Bytes32(),
Array.Empty <ProposerSlashing>(),
Array.Empty <AttesterSlashing>(),
Array.Empty <Attestation>(),
Array.Empty <Deposit>(),
Array.Empty <SignedVoluntaryExit>()
));
return(emptyBlock);
}
public async Task GenesisWithEmptyParametersTimeShouldReject()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
IOptionsMonitor <MiscellaneousParameters> miscellaneousParameterOptions =
testServiceProvider.GetService <IOptionsMonitor <MiscellaneousParameters> >();
IOptionsMonitor <GweiValues> gweiValueOptions =
testServiceProvider.GetService <IOptionsMonitor <GweiValues> >();
IOptionsMonitor <InitialValues> initialValueOptions =
testServiceProvider.GetService <IOptionsMonitor <InitialValues> >();
IOptionsMonitor <TimeParameters> timeParameterOptions =
testServiceProvider.GetService <IOptionsMonitor <TimeParameters> >();
IOptionsMonitor <StateListLengths> stateListLengthOptions =
testServiceProvider.GetService <IOptionsMonitor <StateListLengths> >();
IOptionsMonitor <RewardsAndPenalties> rewardsAndPenaltiesOptions =
testServiceProvider.GetService <IOptionsMonitor <RewardsAndPenalties> >();
IOptionsMonitor <MaxOperationsPerBlock> maxOperationsPerBlockOptions =
testServiceProvider.GetService <IOptionsMonitor <MaxOperationsPerBlock> >();
IOptionsMonitor <ForkChoiceConfiguration> forkChoiceConfigurationOptions =
testServiceProvider.GetService <IOptionsMonitor <ForkChoiceConfiguration> >();
IOptionsMonitor <SignatureDomains> signatureDomainOptions =
testServiceProvider.GetService <IOptionsMonitor <SignatureDomains> >();
IOptionsMonitor <InMemoryConfiguration> inMemoryConfigurationOptions =
testServiceProvider.GetService <IOptionsMonitor <InMemoryConfiguration> >();
miscellaneousParameterOptions.CurrentValue.MinimumGenesisActiveValidatorCount = 2;
LoggerFactory loggerFactory = new LoggerFactory(new[]
{
new ConsoleLoggerProvider(Core2.Configuration.Static.OptionsMonitor <ConsoleLoggerOptions>())
});
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
IDepositStore depositStore = new DepositStore(cryptographyService, chainConstants);
BeaconChainUtility beaconChainUtility = new BeaconChainUtility(
loggerFactory.CreateLogger <BeaconChainUtility>(),
chainConstants, miscellaneousParameterOptions, initialValueOptions, gweiValueOptions,
timeParameterOptions,
cryptographyService);
BeaconStateAccessor beaconStateAccessor = new BeaconStateAccessor(chainConstants,
miscellaneousParameterOptions, timeParameterOptions, stateListLengthOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility);
BeaconStateMutator beaconStateMutator = new BeaconStateMutator(chainConstants, timeParameterOptions,
stateListLengthOptions, rewardsAndPenaltiesOptions,
beaconChainUtility, beaconStateAccessor);
BeaconStateTransition beaconStateTransition = new BeaconStateTransition(
loggerFactory.CreateLogger <BeaconStateTransition>(),
chainConstants, gweiValueOptions, timeParameterOptions, stateListLengthOptions,
rewardsAndPenaltiesOptions, maxOperationsPerBlockOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateMutator, depositStore);
SimpleLatestMessageDrivenGreedyHeaviestObservedSubtree simpleLmdGhost =
new SimpleLatestMessageDrivenGreedyHeaviestObservedSubtree(
loggerFactory.CreateLogger <SimpleLatestMessageDrivenGreedyHeaviestObservedSubtree>(),
chainConstants, beaconChainUtility, beaconStateAccessor);
MemoryStore store = new MemoryStore(loggerFactory.CreateLogger <MemoryStore>(), inMemoryConfigurationOptions,
new DataDirectory("data"), Substitute.For <IFileSystem>(), simpleLmdGhost, new StoreAccessor());
ForkChoice forkChoice = new ForkChoice(loggerFactory.CreateLogger <ForkChoice>(),
chainConstants, miscellaneousParameterOptions, timeParameterOptions, maxOperationsPerBlockOptions,
forkChoiceConfigurationOptions, signatureDomainOptions,
cryptographyService, beaconChainUtility, beaconStateAccessor, beaconStateTransition);
GenesisChainStart genesisChainStart = new GenesisChainStart(loggerFactory.CreateLogger <GenesisChainStart>(),
chainConstants, miscellaneousParameterOptions, gweiValueOptions, initialValueOptions,
timeParameterOptions, stateListLengthOptions,
cryptographyService, store, beaconStateAccessor, beaconStateTransition, forkChoice, depositStore);
// Act
Bytes32 eth1BlockHash = Bytes32.Zero;
ulong eth1Timestamp = 106185600uL; // 1973-05-14
bool success = await genesisChainStart.TryGenesisAsync(eth1BlockHash, eth1Timestamp);
// Assert
success.ShouldBeFalse();
}
// Run ``process_attester_slashing``, yielding:
// - pre-state('pre')
// - attester_slashing('attester_slashing')
// - post-state('post').
//If ``valid == False``, run expecting ``AssertionError``
private void RunAttesterSlashingProcessing(IServiceProvider testServiceProvider, BeaconState state, AttesterSlashing attesterSlashing, bool expectValid)
{
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
StateListLengths stateListLengths = testServiceProvider.GetService <IOptions <StateListLengths> >().Value;
RewardsAndPenalties rewardsAndPenalties = testServiceProvider.GetService <IOptions <RewardsAndPenalties> >().Value;
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
if (!expectValid)
{
Should.Throw <Exception>(() =>
{
beaconStateTransition.ProcessAttesterSlashing(state, attesterSlashing);
});
return;
}
var slashedIndices = attesterSlashing.Attestation1.CustodyBit0Indices
.Union(attesterSlashing.Attestation1.CustodyBit1Indices)
.ToList();
ValidatorIndex proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
Gwei preProposerBalance = TestState.GetBalance(state, proposerIndex);
var preSlashings = slashedIndices.ToDictionary(x => x, x => TestState.GetBalance(state, x));
var preWithdrawableEpochs = slashedIndices.ToDictionary(x => x, x => state.Validators[(int)(ulong)x].WithdrawableEpoch);
Gwei totalProposerRewards = preSlashings.Values.Aggregate(Gwei.Zero, (sum, x) => sum + x / rewardsAndPenalties.WhistleblowerRewardQuotient);
// Process slashing
beaconStateTransition.ProcessAttesterSlashing(state, attesterSlashing);
foreach (ValidatorIndex slashedIndex in slashedIndices)
{
Console.WriteLine($"Checking index {slashedIndex}");
Epoch preWithdrawableEpoch = preWithdrawableEpochs[slashedIndex];
Validator slashedValidator = state.Validators[(int)(ulong)slashedIndex];
// Check Slashing
slashedValidator.IsSlashed.ShouldBeTrue();
slashedValidator.ExitEpoch.ShouldBeLessThan(chainConstants.FarFutureEpoch);
if (preWithdrawableEpoch < chainConstants.FarFutureEpoch)
{
ulong slashingsEpoch = beaconStateAccessor.GetCurrentEpoch(state) + stateListLengths.EpochsPerSlashingsVector;
Epoch expectedWithdrawableEpoch = Epoch.Max(preWithdrawableEpoch, (Epoch)slashingsEpoch);
slashedValidator.WithdrawableEpoch.ShouldBe(expectedWithdrawableEpoch);
}
else
{
slashedValidator.WithdrawableEpoch.ShouldBeLessThan(chainConstants.FarFutureEpoch);
}
Gwei preSlashing = preSlashings[slashedIndex];
Gwei slashedBalance = TestState.GetBalance(state, slashedIndex);
slashedBalance.ShouldBeLessThan(preSlashing);
}
if (!slashedIndices.Contains(proposerIndex))
{
// gained whistleblower reward
Gwei expectedProposerBalance = preProposerBalance + totalProposerRewards;
Gwei proposerBalance = TestState.GetBalance(state, proposerIndex);
proposerBalance.ShouldBe(expectedProposerBalance);
}
else
{
// gained rewards for all slashings, which may include others. And only lost that of themselves.
Gwei expectedProposerBalance = preProposerBalance + totalProposerRewards
- (preSlashings[proposerIndex] / rewardsAndPenalties.MinimumSlashingPenaltyQuotient);
Gwei proposerBalance = TestState.GetBalance(state, proposerIndex);
proposerBalance.ShouldBe(expectedProposerBalance);
}
}