public async Task OnAttestationPreviousEpoch()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider(useStore: true);
BeaconState state = TestState.PrepareTestState(testServiceProvider);
InitialValues initialValues = testServiceProvider.GetService <IOptions <InitialValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
// Initialization
IStore store = forkChoice.GetGenesisStore(state);
ulong time = store.Time + timeParameters.SecondsPerSlot * (ulong)timeParameters.SlotsPerEpoch;
await forkChoice.OnTickAsync(store, time);
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, signed: true);
TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
// Store block in store
await forkChoice.OnBlockAsync(store, block);
Attestation attestation = TestAttestation.GetValidAttestation(testServiceProvider, state, block.Slot, CommitteeIndex.None, signed: true);
attestation.Data.Target.Epoch.ShouldBe(initialValues.GenesisEpoch);
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
Slot currentSlot = forkChoice.GetCurrentSlot(store);
Epoch currentEpoch = beaconChainUtility.ComputeEpochAtSlot(currentSlot);
currentEpoch.ShouldBe(initialValues.GenesisEpoch + Epoch.One);
await RunOnAttestation(testServiceProvider, state, store, attestation, expectValid : true);
}
public void TestInitializeBeaconStateFromEth1()
{
bool useBls = true;
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider(useBls, useStore: true);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
GweiValues gweiValues = testServiceProvider.GetService <IOptions <GweiValues> >().Value;
int depositCount = miscellaneousParameters.MinimumGenesisActiveValidatorCount;
(IList <Deposit> deposits, Root depositRoot) = TestDeposit.PrepareGenesisDeposits(testServiceProvider, depositCount, gweiValues.MaximumEffectiveBalance, signed: useBls);
Bytes32 eth1BlockHash = new Bytes32(Enumerable.Repeat((byte)0x12, 32).ToArray());
ulong eth1Timestamp = miscellaneousParameters.MinimumGenesisTime;
BeaconNode.GenesisChainStart beaconChain = testServiceProvider.GetService <BeaconNode.GenesisChainStart>();
// Act
//# initialize beacon_state
BeaconState state = beaconChain.InitializeBeaconStateFromEth1(eth1BlockHash, eth1Timestamp, deposits);
// Assert
state.GenesisTime.ShouldBe(eth1Timestamp - eth1Timestamp % timeParameters.MinimumGenesisDelay + 2 * timeParameters.MinimumGenesisDelay);
state.Validators.Count.ShouldBe(depositCount);
state.Eth1Data.DepositRoot.ShouldBe(depositRoot);
state.Eth1Data.DepositCount.ShouldBe((ulong)depositCount);
state.Eth1Data.BlockHash.ShouldBe(eth1BlockHash);
}
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>
/// Return the committee assignment in the ``epoch`` for ``validator_index``.
/// ``assignment`` returned is a tuple of the following form:
/// * ``assignment[0]`` is the list of validators in the committee
/// * ``assignment[1]`` is the index to which the committee is assigned
/// * ``assignment[2]`` is the slot at which the committee is assigned
/// Return None if no assignment.
/// </summary>
public CommitteeAssignment GetCommitteeAssignment(BeaconState state, Epoch epoch, ValidatorIndex validatorIndex)
{
Epoch nextEpoch = _beaconStateAccessor.GetCurrentEpoch(state) + Epoch.One;
if (epoch > nextEpoch)
{
throw new ArgumentOutOfRangeException(nameof(epoch), epoch,
$"Committee epoch cannot be greater than next epoch {nextEpoch}.");
}
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
Slot startSlot = _beaconChainUtility.ComputeStartSlotOfEpoch(epoch);
ulong endSlot = startSlot + timeParameters.SlotsPerEpoch;
for (Slot slot = startSlot; slot < endSlot; slot += Slot.One)
{
ulong committeeCount = _beaconStateAccessor.GetCommitteeCountAtSlot(state, slot);
for (CommitteeIndex index = CommitteeIndex.Zero;
index < new CommitteeIndex(committeeCount);
index += CommitteeIndex.One)
{
IReadOnlyList <ValidatorIndex> committee =
_beaconStateAccessor.GetBeaconCommittee(state, slot, index);
if (committee.Contains(validatorIndex))
{
CommitteeAssignment committeeAssignment = new CommitteeAssignment(committee, index, slot);
return(committeeAssignment);
}
}
}
return(CommitteeAssignment.None);
}
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);
}
private void AddAttestationToStore(IServiceProvider testServiceProvider, IStore store, Attestation attestation)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
if (!store.TryGetBlock(attestation.Data.BeaconBlockRoot, out BeaconBlock? parentBlock))
{
throw new InvalidDataException("Cannot retrieve parent block");
}
Hash32 parentSigningRoot = parentBlock !.SigningRoot(miscellaneousParameters, maxOperationsPerBlock);
if (!store.TryGetBlockState(parentSigningRoot, out BeaconState? preState))
{
throw new InvalidDataException("Cannot retrieve pre state");
}
ulong blockTime = preState !.GenesisTime + (ulong)parentBlock !.Slot * timeParameters.SecondsPerSlot;
ulong nextEpochTime = blockTime + (ulong)timeParameters.SlotsPerEpoch * timeParameters.SecondsPerSlot;
if (store.Time < blockTime)
{
forkChoice.OnTick(store, blockTime);
}
forkChoice.OnAttestation(store, attestation);
}
/// <inheritdoc/>
public IWaveform Create(IBindingContext context)
{
IIntegrationMethod method = null;
TimeParameters tp = null;
context?.TryGetState(out method);
context?.TryGetSimulationParameterSet(out tp);
double step = 1.0;
if (!RiseTime.Given || !FallTime.Given)
{
if (tp is SpiceMethod sm)
{
step = sm.InitialStep;
}
else if (tp != null)
{
step = tp.StopTime / 50.0;
}
}
return(new Instance(method,
InitialValue,
PulsedValue,
Delay,
RiseTime.Given ? RiseTime.Value : step,
FallTime.Given ? FallTime.Value : step,
PulseWidth,
Period));
}
public void Eth1VoteReset()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
// skip ahead to the end of the voting period
state.SetSlot((Slot)(timeParameters.SlotsPerEth1VotingPeriod - 1UL));
// add a vote for each skipped slot.
for (Slot index = Slot.Zero; index < state.Slot + new Slot(1); index += new Slot(1))
{
ulong eth1DepositIndex = state.Eth1DepositIndex;
Root depositRoot = new Root(Enumerable.Repeat((byte)0xaa, 32).ToArray());
Bytes32 blockHash = new Bytes32(Enumerable.Repeat((byte)0xbb, 32).ToArray());
Eth1Data eth1Data = new Eth1Data(depositRoot, eth1DepositIndex, blockHash);
state.AddEth1DataVote(eth1Data);
}
// Act
RunProcessFinalUpdates(testServiceProvider, state);
// Assert
state.Eth1DataVotes.Count.ShouldBe(0);
}
public static byte[] PublicKeyToPrivateKey(BlsPublicKey publicKey, TimeParameters timeParameters)
{
EnsureKeys(timeParameters);
var privateKey = _testKeys[publicKey];
return(privateKey);
}
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);
}
// 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 async Task GenesisHead()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider(useStore: true);
BeaconState state = TestState.PrepareTestState(testServiceProvider);
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
StateListLengths stateListLengths = testServiceProvider.GetService <IOptions <StateListLengths> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
JsonSerializerOptions options = new System.Text.Json.JsonSerializerOptions {
WriteIndented = true
};
options.ConfigureNethermindCore2();
string debugState = System.Text.Json.JsonSerializer.Serialize(state, options);
// Initialization
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
IStore store = forkChoice.GetGenesisStore(state);
// Act
Hash32 headRoot = await forkChoice.GetHeadAsync(store);
// Assert
Hash32 stateRoot = cryptographyService.HashTreeRoot(state);
BeaconBlock genesisBlock = new BeaconBlock(stateRoot);
Hash32 expectedRoot = cryptographyService.SigningRoot(genesisBlock);
headRoot.ShouldBe(expectedRoot);
}
public CryptographyService(ChainConstants chainConstants,
IOptionsMonitor<MiscellaneousParameters> miscellaneousParameterOptions,
IOptionsMonitor<TimeParameters> timeParameterOptions,
IOptionsMonitor<StateListLengths> stateListLengthOptions,
IOptionsMonitor<MaxOperationsPerBlock> maxOperationsPerBlockOptions)
{
_chainConstants = chainConstants;
_miscellaneousParameterOptions = miscellaneousParameterOptions;
_timeParameterOptions = timeParameterOptions;
_stateListLengthOptions = stateListLengthOptions;
_maxOperationsPerBlockOptions = maxOperationsPerBlockOptions;
MiscellaneousParameters miscellaneousParameters = miscellaneousParameterOptions.CurrentValue;
TimeParameters timeParameters = timeParameterOptions.CurrentValue;
StateListLengths stateListLengths = stateListLengthOptions.CurrentValue;
MaxOperationsPerBlock maxOperationsPerBlock = maxOperationsPerBlockOptions.CurrentValue;
Nethermind.Ssz.Ssz.Init(
chainConstants.DepositContractTreeDepth,
chainConstants.JustificationBitsLength,
miscellaneousParameters.MaximumValidatorsPerCommittee,
timeParameters.SlotsPerEpoch,
timeParameters.SlotsPerEth1VotingPeriod,
timeParameters.SlotsPerHistoricalRoot,
stateListLengths.EpochsPerHistoricalVector,
stateListLengths.EpochsPerSlashingsVector,
stateListLengths.HistoricalRootsLimit,
stateListLengths.ValidatorRegistryLimit,
maxOperationsPerBlock.MaximumProposerSlashings,
maxOperationsPerBlock.MaximumAttesterSlashings,
maxOperationsPerBlock.MaximumAttestations,
maxOperationsPerBlock.MaximumDeposits,
maxOperationsPerBlock.MaximumVoluntaryExits);
}
public async Task TestValidators80DutiesForEpochZeroHaveExactlyOneProposerPerSlot()
{
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
testServiceCollection.AddSingleton <IEth1DataProvider>(Substitute.For <IEth1DataProvider>());
testServiceCollection.AddSingleton <IOperationPool>(Substitute.For <IOperationPool>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
_ = forkChoice.GetGenesisStore(state);
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
int numberOfValidators = state.Validators.Count;
Console.WriteLine("Number of validators: {0}", numberOfValidators);
BlsPublicKey[] publicKeys = TestKeys.PublicKeys(timeParameters).ToArray();
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
for (int index = 0; index < numberOfValidators; index++)
{
Console.WriteLine("[{0}] priv:{1} pub:{2}", index, "0x" + BitConverter.ToString(privateKeys[index]).Replace("-", ""), publicKeys[index]);
}
// Act
Epoch targetEpoch = new Epoch(0);
IEnumerable <BlsPublicKey> validatorPublicKeys = publicKeys.Take(numberOfValidators);
IBeaconNodeApi beaconNode = testServiceProvider.GetService <IBeaconNodeApi>();
beaconNode.ShouldBeOfType(typeof(BeaconNodeFacade));
int validatorDutyIndex = 0;
List <ValidatorDuty> validatorDuties = new List <ValidatorDuty>();
await foreach (ValidatorDuty validatorDuty in beaconNode.ValidatorDutiesAsync(validatorPublicKeys, targetEpoch, CancellationToken.None))
{
validatorDuties.Add(validatorDuty);
Console.WriteLine("Index [{0}], Epoch {1}, Validator {2}, : attestation slot {3}, shard {4}, proposal slot {5}",
validatorDutyIndex, targetEpoch, validatorDuty.ValidatorPublicKey, validatorDuty.AttestationSlot,
(ulong)validatorDuty.AttestationShard, validatorDuty.BlockProposalSlot);
validatorDutyIndex++;
}
// Assert
Dictionary <Slot, IGrouping <Slot, ValidatorDuty> > groupsByProposalSlot = validatorDuties
.GroupBy(x => x.BlockProposalSlot)
.ToDictionary(x => x.Key, x => x);
groupsByProposalSlot[new Slot(0)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(1)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(2)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(3)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(4)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(5)].Count().ShouldBe(1);
//groupsByProposalSlot[new Slot(6)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(7)].Count().ShouldBe(1);
//groupsByProposalSlot[Slot.None].Count().ShouldBe(numberOfValidators - 7);
}
/// <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);
}
private void CheckHistoricalSlots(IStore store, IReadOnlyList <Hash32> historicalBlockRoots, Slot fromSlot, Slot startSlot, ValidatorIndex validatorIndex,
ref Slot attestationSlot, ref CommitteeIndex attestationCommitteeIndex, ref Slot blockProposalSlot)
{
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
Slot previousSlot = fromSlot;
while (true)
{
previousSlot -= Slot.One;
int index = (int)(previousSlot % timeParameters.SlotsPerHistoricalRoot);
Hash32 previousRoot = historicalBlockRoots[index];
if (!store.TryGetBlockState(previousRoot, out BeaconState? previousState))
{
throw new Exception($"Historical state {previousRoot} for slot {previousSlot} not found.");
}
CheckStateDuty(previousState !, validatorIndex, ref attestationSlot, ref attestationCommitteeIndex,
ref blockProposalSlot);
if (previousSlot <= startSlot || (attestationSlot != Slot.None && blockProposalSlot != Slot.None))
{
break;
}
}
}
// [DataRow(42uL, "0xab48aa2cc6f4a0bb63b5d67be54ac3aed10326dda304c5aeb9e942b40d6e7610478377680ab90e092ef1895e62786008", 0uL, 5uL, 1uL, null)]
// [DataRow(42uL, "0x8aea7d8eb22063bcfe882e2b7efc0b3713e1a48dd8343bed523b1ab4546114be84d00f896d33c605d1f67456e8e2ed93", 0uL, 5uL, 1uL, null)]
// [DataRow(42uL, "0x89db41a6183c2fe47cf54d1e00c3cfaae53df634a32cccd5cf0c0a73e95ee0450fc3d060bb6878780fbf5f30d9e29aac", 0uL, 5uL, 1uL, null)]
// [DataRow(42uL, "0xb783a70a1cf9f53e7d2ddf386bea81a947e5360c5f1e0bf004fceedb2073e4dd180ef3d2d91bee7b1c5a88d1afd11c49", 0uL, 5uL, 1uL, null)]
// [DataRow(42uL, "0x8fe55d12257709ae842f8594f9a0a40de3d38dabdf82b21a60baac927e52ed00c5fd42f4c905410eacdaf8f8a9952490", 0uL, 5uL, 1uL, null)]
// [DataRow(42uL, "0x95906ec0660892c205634e21ad540cbe0b6f7729d101d5c4639b864dea09be7f42a4252c675d46dd90a2661b3a94e8ca", 0uL, 5uL, 1uL, null)]
public async Task ValidatorDutyAtSpecificTimeDuplicateProposal(ulong targetTime, string publicKey, ulong epoch, ulong attestationSlot, ulong attestationShard, ulong?blockProposalSlot)
{
// NOTE: Current algorithm for GetBeaconProposerIndex() someimtes allocates multiple proposal slots in an epoch, e.g. above index 23 gets slot 2 and 6
// It could be an error in the algorithm (need to check; domain type could be wrong), or due to the pre-shard algorithm.
// The algorithm before shards were removed was different, so maybe ignore for now, implement phase 1 (with shards), and worry about it then.
// This test for now will simply detect if things unintentionally change.
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
IStore store = testServiceProvider.GetService <IStore>();
await forkChoice.InitializeForkChoiceStoreAsync(store, state);
// Move forward time
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
for (ulong timeSinceGenesis = 1; timeSinceGenesis <= targetTime; timeSinceGenesis++)
{
ulong time = state.GenesisTime + timeSinceGenesis;
await forkChoice.OnTickAsync(store, time);
if (timeSinceGenesis % timeParameters.SecondsPerSlot == 0)
{
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, BlsSignature.Zero);
SignedBeaconBlock signedBlock = TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
await forkChoice.OnBlockAsync(store, signedBlock);
}
}
Console.WriteLine("");
Console.WriteLine("***** State advanced to slot {0}, time {1}, ready to start tests *****", state.Slot, store.Time);
Console.WriteLine("");
// Act
ValidatorAssignments validatorAssignments = testServiceProvider.GetService <ValidatorAssignments>();
BlsPublicKey validatorPublicKey = new BlsPublicKey(publicKey);
Epoch targetEpoch = new Epoch(epoch);
ValidatorDuty validatorDuty = await validatorAssignments.GetValidatorDutyAsync(validatorPublicKey, targetEpoch);
Console.WriteLine("Validator {0}, epoch {1}: attestation slot {2}, shard {3}, proposal slot {4}",
validatorPublicKey, targetEpoch, validatorDuty.AttestationSlot, (ulong)validatorDuty.AttestationShard, validatorDuty.BlockProposalSlot);
// Assert
validatorDuty.ValidatorPublicKey.ShouldBe(validatorPublicKey);
Slot expectedBlockProposalSlot = blockProposalSlot.HasValue ? new Slot(blockProposalSlot.Value) : Slot.None;
Slot expectedAttestationSlot = new Slot(attestationSlot);
Shard expectedAttestationShard = new Shard(attestationShard);
validatorDuty.BlockProposalSlot.ShouldBe(expectedBlockProposalSlot);
validatorDuty.AttestationSlot.ShouldBe(expectedAttestationSlot);
validatorDuty.AttestationShard.ShouldBe(expectedAttestationShard);
}
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 BeaconState PrepareTestState(IServiceProvider testServiceProvider)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
ulong numberOfValidators = (ulong)timeParameters.SlotsPerEpoch * 10;
BeaconState state = TestGenesis.CreateGenesisState(testServiceProvider, numberOfValidators);
return(state);
}
public BeaconState InitializeBeaconStateFromEth1(Bytes32 eth1BlockHash, ulong eth1Timestamp,
IList <Deposit> deposits)
{
if (_logger.IsInfo())
{
Log.InitializeBeaconState(_logger, eth1BlockHash, eth1Timestamp, deposits.Count, null);
}
InitialValues initialValues = _initialValueOptions.CurrentValue;
GweiValues gweiValues = _gweiValueOptions.CurrentValue;
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
StateListLengths stateListLengths = _stateListLengthOptions.CurrentValue;
Fork fork = new Fork(initialValues.GenesisForkVersion, initialValues.GenesisForkVersion,
_chainConstants.GenesisEpoch);
ulong genesisTime = eth1Timestamp - (eth1Timestamp % timeParameters.MinimumGenesisDelay)
+ (2 * timeParameters.MinimumGenesisDelay);
Eth1Data eth1Data = new Eth1Data(Root.Zero, (ulong)deposits.Count, eth1BlockHash);
Root emptyBlockBodyRoot = _cryptographyService.HashTreeRoot(BeaconBlockBody.Zero);
BeaconBlockHeader latestBlockHeader = new BeaconBlockHeader(emptyBlockBodyRoot);
Bytes32[] randaoMixes = Enumerable.Repeat(eth1BlockHash, (int)stateListLengths.EpochsPerHistoricalVector)
.ToArray();
BeaconState state = new BeaconState(genesisTime, fork, eth1Data, latestBlockHeader, randaoMixes,
timeParameters.SlotsPerHistoricalRoot, stateListLengths.EpochsPerHistoricalVector,
stateListLengths.EpochsPerSlashingsVector, _chainConstants.JustificationBitsLength);
// Process deposits
List <DepositData> depositDataList = new List <DepositData>();
foreach (Deposit deposit in deposits)
{
depositDataList.Add(deposit.Data);
Root depositRoot = _cryptographyService.HashTreeRoot(depositDataList);
state.Eth1Data.SetDepositRoot(depositRoot);
_beaconStateTransition.ProcessDeposit(state, deposit);
}
// Process activations
for (int validatorIndex = 0; validatorIndex < state.Validators.Count; validatorIndex++)
{
Validator validator = state.Validators[validatorIndex];
Gwei balance = state.Balances[validatorIndex];
Gwei effectiveBalance = Gwei.Min(balance - (balance % gweiValues.EffectiveBalanceIncrement),
gweiValues.MaximumEffectiveBalance);
validator.SetEffectiveBalance(effectiveBalance);
if (validator.EffectiveBalance == gweiValues.MaximumEffectiveBalance)
{
validator.SetEligible(_chainConstants.GenesisEpoch);
validator.SetActive(_chainConstants.GenesisEpoch);
}
}
return(state);
}
/// <summary>
/// Transition to the start slot of the next epoch
/// </summary>
public static void NextEpoch(IServiceProvider testServiceProvider, BeaconState state)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
Slot slot = (Slot)(state.Slot + timeParameters.SlotsPerEpoch - state.Slot % timeParameters.SlotsPerEpoch);
beaconStateTransition.ProcessSlots(state, slot);
}
public ulong GetAttestationTime(BeaconChainInformation beaconChainInformation, Slot slot)
{
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
ulong startTimeOfSlot = beaconChainInformation.GenesisTime + timeParameters.SecondsPerSlot * slot;
// Attest 1/3 way through slot
ulong attestationTime = startTimeOfSlot + (_timeParameterOptions.CurrentValue.SecondsPerSlot / 3);
return(attestationTime);
}
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 Hash32 HashTreeRoot(BeaconState beaconState)
{
MiscellaneousParameters miscellaneousParameters = _miscellaneousParameterOptions.CurrentValue;
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
StateListLengths stateListLengths = _stateListLengthOptions.CurrentValue;
MaxOperationsPerBlock maxOperationsPerBlock = _maxOperationsPerBlockOptions.CurrentValue;
ulong maximumAttestationsPerEpoch = maxOperationsPerBlock.MaximumAttestations * (ulong)timeParameters.SlotsPerEpoch;
return(beaconState.HashTreeRoot(stateListLengths.HistoricalRootsLimit,
timeParameters.SlotsPerEth1VotingPeriod, stateListLengths.ValidatorRegistryLimit,
maximumAttestationsPerEpoch, miscellaneousParameters.MaximumValidatorsPerCommittee));
}
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 async Task TestValidators80DutiesForEpochOneHaveExactlyOneProposerPerSlot()
{
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
testServiceCollection.AddSingleton <IEth1DataProvider>(Substitute.For <IEth1DataProvider>());
testServiceCollection.AddSingleton <IOperationPool>(Substitute.For <IOperationPool>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
_ = forkChoice.GetGenesisStore(state);
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
int numberOfValidators = state.Validators.Count;
Console.WriteLine("Number of validators: {0}", numberOfValidators);
BlsPublicKey[] publicKeys = TestKeys.PublicKeys(timeParameters).ToArray();
// Act
Epoch targetEpoch = new Epoch(1);
var validatorPublicKeys = publicKeys.Take(numberOfValidators);
IBeaconNodeApi beaconNode = testServiceProvider.GetService <IBeaconNodeApi>();
beaconNode.ShouldBeOfType(typeof(BeaconNodeFacade));
var validatorDuties = await beaconNode.ValidatorDutiesAsync(validatorPublicKeys, targetEpoch);
for (var index = 0; index < validatorDuties.Count; index++)
{
ValidatorDuty validatorDuty = validatorDuties[index];
Console.WriteLine("Index [{0}], Epoch {1}, Validator {2}, : attestation slot {3}, shard {4}, proposal slot {5}",
index, targetEpoch, validatorDuty.ValidatorPublicKey, validatorDuty.AttestationSlot,
(ulong)validatorDuty.AttestationShard, validatorDuty.BlockProposalSlot);
}
// Assert
Dictionary <Slot, IGrouping <Slot, ValidatorDuty> > groupsByProposalSlot = validatorDuties
.GroupBy(x => x.BlockProposalSlot)
.ToDictionary(x => x.Key, x => x);
groupsByProposalSlot[new Slot(8)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(9)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(10)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(11)].Count().ShouldBe(1);
//groupsByProposalSlot[new Slot(12)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(13)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(14)].Count().ShouldBe(1);
groupsByProposalSlot[new Slot(15)].Count().ShouldBe(1);
//groupsByProposalSlot[Slot.None].Count().ShouldBe(numberOfValidators - 8);
}
public async Task ShouldNotRequestIfHeadBehind()
{
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
INetworkPeering mockNetworkPeering = Substitute.For <INetworkPeering>();
testServiceCollection.AddSingleton <INetworkPeering>(mockNetworkPeering);
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
IStore store = testServiceProvider.GetService <IStore>();
await forkChoice.InitializeForkChoiceStoreAsync(store, state);
// Move forward time
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
ulong targetTime = 2 * 6; // slot 2
for (ulong timeSinceGenesis = 1; timeSinceGenesis <= targetTime; timeSinceGenesis++)
{
ulong time = state.GenesisTime + timeSinceGenesis;
await forkChoice.OnTickAsync(store, time);
if (timeSinceGenesis % timeParameters.SecondsPerSlot == 0)
{
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, BlsSignature.Zero);
SignedBeaconBlock signedBlock = TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
await forkChoice.OnBlockAsync(store, signedBlock);
}
}
// Act
PeeringStatus peeringStatus = new PeeringStatus(
new ForkVersion(new byte[4] {
0, 0, 0, 0
}),
Root.Zero,
Epoch.Zero,
new Root(Enumerable.Repeat((byte)0x56, 32).ToArray()),
new Slot(1));
ISynchronizationManager synchronizationManager = testServiceProvider.GetService <ISynchronizationManager>();
await synchronizationManager.OnStatusResponseReceived("peer", peeringStatus);
// Assert
await mockNetworkPeering.DidNotReceive()
.RequestBlocksAsync("peer", Arg.Any <Root>(), Arg.Any <Slot>(), Arg.Any <Slot>());
await mockNetworkPeering.DidNotReceive().DisconnectPeerAsync("peer");
}
/// <summary>
/// Processes to the next epoch transition, up to, but not including, the sub-transition named ``process_name``
/// </summary>
public static void RunEpochProcessingTo(IServiceProvider testServiceProvider, BeaconState state, TestProcessStep step)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
Slot slot = (Slot)(state.Slot + (timeParameters.SlotsPerEpoch - state.Slot % timeParameters.SlotsPerEpoch) - 1UL);
// transition state to slot before epoch state transition
beaconStateTransition.ProcessSlots(state, slot);
// start transitioning, do one slot update before the epoch itself.
beaconStateTransition.ProcessSlot(state);
// process components of epoch transition before final-updates
if (step == TestProcessStep.ProcessJustificationAndFinalization)
{
return;
}
// Note: only run when present. Later phases introduce more to the epoch-processing.
beaconStateTransition.ProcessJustificationAndFinalization(state);
if (step == TestProcessStep.ProcessRewardsAndPenalties)
{
return;
}
beaconStateTransition.ProcessRewardsAndPenalties(state);
if (step == TestProcessStep.ProcessRegistryUpdates)
{
return;
}
beaconStateTransition.ProcessRegistryUpdates(state);
if (step == TestProcessStep.ProcessSlashings)
{
return;
}
beaconStateTransition.ProcessSlashings(state);
if (step == TestProcessStep.ProcessFinalUpdates)
{
return;
}
beaconStateTransition.ProcessFinalUpdates(state);
}
public void GenesisEpochFullAttestationsNoRewards()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
InitialValues initialValues = testServiceProvider.GetService <IOptions <InitialValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
var attestations = new List <Attestation>();
for (Slot slot = Slot.Zero; slot < timeParameters.SlotsPerEpoch - new Slot(1); slot += new Slot(1))
{
// create an attestation for each slot
if (slot < timeParameters.SlotsPerEpoch)
{
Attestation attestation = TestAttestation.GetValidAttestation(testServiceProvider, state, slot, CommitteeIndex.None, signed: true);
attestations.Add(attestation);
}
// fill each created slot in state after inclusion delay
if (slot >= timeParameters.MinimumAttestationInclusionDelay)
{
Slot index = slot - timeParameters.MinimumAttestationInclusionDelay;
Attestation includeAttestation = attestations[(int)(ulong)index];
TestAttestation.AddAttestationsToState(testServiceProvider, state, new[] { includeAttestation }, state.Slot);
}
TestState.NextSlot(testServiceProvider, state);
}
// ensure has not cross the epoch boundary
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
stateEpoch.ShouldBe(initialValues.GenesisEpoch);
BeaconState preState = BeaconState.Clone(state);
// Act
RunProcessRewardsAndPenalties(testServiceProvider, state);
// Assert
for (int index = 0; index < preState.Validators.Count; index++)
{
state.Balances[index].ShouldBe(preState.Balances[index], $"Balance {index}");
}
}
public Hash32 HashTreeRoot(BeaconState beaconState)
{
MiscellaneousParameters miscellaneousParameters = _miscellaneousParameterOptions.CurrentValue;
TimeParameters timeParameters = _timeParameterOptions.CurrentValue;
StateListLengths stateListLengths = _stateListLengthOptions.CurrentValue;
MaxOperationsPerBlock maxOperationsPerBlock = _maxOperationsPerBlockOptions.CurrentValue;
ulong maximumAttestationsPerEpoch = maxOperationsPerBlock.MaximumAttestations * (ulong) timeParameters.SlotsPerEpoch;
return beaconState.HashTreeRoot(stateListLengths.HistoricalRootsLimit,
timeParameters.SlotsPerEth1VotingPeriod, stateListLengths.ValidatorRegistryLimit,
maximumAttestationsPerEpoch, miscellaneousParameters.MaximumValidatorsPerCommittee);
// Merkle.Ize(out UInt256 root, beaconState);
// Span<byte> bytes = MemoryMarshal.Cast<UInt256, byte>(MemoryMarshal.CreateSpan(ref root, 1));
// return new Hash32(bytes);
}
