// [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);
}
private async Task RunOnBlock(IServiceProvider testServiceProvider, IStore store, SignedBeaconBlock signedBlock, bool expectValid)
{
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
if (!expectValid)
{
Should.Throw <Exception>(async() =>
{
await forkChoice.OnBlockAsync(store, signedBlock);
});
return;
}
await forkChoice.OnBlockAsync(store, signedBlock);
Root blockRoot = cryptographyService.HashTreeRoot(signedBlock.Message);
BeaconBlock storedBlock = (await store.GetSignedBlockAsync(blockRoot)).Message;
storedBlock.ShouldBe(signedBlock.Message);
}
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");
}
public async Task <ApiResponse> PublishBlockAsync(SignedBeaconBlock signedBlock,
CancellationToken cancellationToken)
{
try
{
if (!_store.IsInitialized)
{
return(new ApiResponse(StatusCode.CurrentlySyncing));
}
bool acceptedLocally = false;
try
{
await _forkChoice.OnBlockAsync(_store, signedBlock).ConfigureAwait(false);
// TODO: validate as per honest validator spec and return true/false
acceptedLocally = true;
}
catch (Exception ex)
{
if (_logger.IsWarn())
{
Log.BlockNotAcceptedLocally(_logger, signedBlock.Message, ex);
}
}
if (_logger.IsDebug())
{
LogDebug.PublishingBlockToNetwork(_logger, signedBlock.Message, null);
}
await _networkPeering.PublishBeaconBlockAsync(signedBlock).ConfigureAwait(false);
if (acceptedLocally)
{
return(new ApiResponse(StatusCode.Success));
}
else
{
return(new ApiResponse(StatusCode.BroadcastButFailedValidation));
}
}
catch (Exception ex)
{
if (_logger.IsWarn())
{
Log.ApiErrorPublishBlock(_logger, ex);
}
throw;
}
}
private async Task AddBlockToStore(IServiceProvider testServiceProvider, IStore store, SignedBeaconBlock signedBlock)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
BeaconState preState = await store.GetBlockStateAsync(signedBlock.Message.ParentRoot);
ulong blockTime = preState !.GenesisTime + (ulong)signedBlock.Message.Slot * timeParameters.SecondsPerSlot;
if (store.Time < blockTime)
{
await forkChoice.OnTickAsync(store, blockTime);
}
await forkChoice.OnBlockAsync(store, signedBlock);
}
public async Task OnAttestationPastEpoch()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider(useStore: true);
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
InitialValues initialValues = testServiceProvider.GetService <IOptions <InitialValues> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
IForkChoice forkChoice = testServiceProvider.GetService <IForkChoice>();
// Initialization
IStore store = testServiceProvider.GetService <IStore>();
await forkChoice.InitializeForkChoiceStoreAsync(store, state);
// move time forward 2 epochs
ulong time = store.Time + 2 * timeParameters.SecondsPerSlot * (ulong)timeParameters.SlotsPerEpoch;
await forkChoice.OnTickAsync(store, time);
// create and store block from 3 epochs ago
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, BlsSignature.Zero);
SignedBeaconBlock signedBlock = TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
await forkChoice.OnBlockAsync(store, signedBlock);
// create attestation for past block
Attestation attestation = TestAttestation.GetValidAttestation(testServiceProvider, state, state.Slot, CommitteeIndex.None, signed: true);
attestation.Data.Target.Epoch.ShouldBe(chainConstants.GenesisEpoch);
IBeaconChainUtility beaconChainUtility = testServiceProvider.GetService <IBeaconChainUtility>();
Slot currentSlot = ((ForkChoice)forkChoice).GetCurrentSlot(store);
Epoch currentEpoch = beaconChainUtility.ComputeEpochAtSlot(currentSlot);
currentEpoch.ShouldBe((Epoch)(chainConstants.GenesisEpoch + 2UL));
await RunOnAttestation(testServiceProvider, state, store, attestation, expectValid : false);
}
public async Task FutureEpochValidatorDuty()
{
// 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;
ulong time = state.GenesisTime + 1;
ulong nextSlotTime = state.GenesisTime + timeParameters.SecondsPerSlot;
// half way through epoch 4
ulong futureEpoch = 4uL;
ulong slots = futureEpoch * timeParameters.SlotsPerEpoch + timeParameters.SlotsPerEpoch / 2;
for (ulong slot = 1; slot < slots; slot++)
{
while (time < nextSlotTime)
{
await forkChoice.OnTickAsync(store, time);
time++;
}
await forkChoice.OnTickAsync(store, time);
time++;
// Hash32 head = await forkChoice.GetHeadAsync(store);
// store.TryGetBlockState(head, out BeaconState headState);
BeaconState headState = state;
BeaconBlock block =
TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, headState, BlsSignature.Zero);
SignedBeaconBlock signedBlock =
TestState.StateTransitionAndSignBlock(testServiceProvider, headState, block);
await forkChoice.OnBlockAsync(store, signedBlock);
nextSlotTime = nextSlotTime + timeParameters.SecondsPerSlot;
}
// halfway through slot
ulong futureTime = nextSlotTime + timeParameters.SecondsPerSlot / 2;
while (time < futureTime)
{
await forkChoice.OnTickAsync(store, time);
time++;
}
Console.WriteLine("");
Console.WriteLine("***** State advanced to epoch {0}, slot {1}, time {2}, ready to start tests *****",
futureEpoch, state.Slot, store.Time);
Console.WriteLine("");
List <object?[]> data = FutureEpochValidatorDutyData().ToList();
for (int dataIndex = 0; dataIndex < data.Count; dataIndex++)
{
object?[] dataRow = data[dataIndex];
string publicKey = (string)dataRow[0] !;
ulong epoch = (ulong)dataRow[1] !;
bool success = (bool)dataRow[2] !;
ulong? attestationSlot = (ulong?)dataRow[3] !;
ulong attestationShard = (ulong)dataRow[4] !;
ulong? blockProposalSlot = (ulong?)dataRow[5];
Console.WriteLine("** Test {0}, public key {1}, epoch {2}", dataIndex, publicKey, epoch);
// Act
ValidatorAssignments validatorAssignments = testServiceProvider.GetService <ValidatorAssignments>();
BlsPublicKey validatorPublicKey = new BlsPublicKey(publicKey);
Epoch targetEpoch = new Epoch(epoch);
// failure expected
if (!success)
{
Should.Throw <Exception>(async() =>
{
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);
}, $"Test {dataIndex}, public key {validatorPublicKey}, epoch {targetEpoch}");
continue;
}
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,
$"Test {dataIndex}, public key {validatorPublicKey}, epoch {targetEpoch}");
Slot? expectedBlockProposalSlot = (Slot?)blockProposalSlot;
Slot? expectedAttestationSlot = (Slot?)attestationSlot;
Shard expectedAttestationShard = new Shard(attestationShard);
validatorDuty.BlockProposalSlot.ShouldBe(expectedBlockProposalSlot,
$"Test {dataIndex}, public key {validatorPublicKey}, epoch {targetEpoch}");
validatorDuty.AttestationSlot.ShouldBe(expectedAttestationSlot,
$"Test {dataIndex}, public key {validatorPublicKey}, epoch {targetEpoch}");
validatorDuty.AttestationShard.ShouldBe(expectedAttestationShard,
$"Test {dataIndex}, public key {validatorPublicKey}, epoch {targetEpoch}");
}
}
public async Task ProposerIndexForFirstTwoEpochsMustBeValid()
{
// 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
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)
{
await forkChoice.OnTickAsync(store, time);
time++;
}
await forkChoice.OnTickAsync(store, time);
time++;
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, state, BlsSignature.Zero);
SignedBeaconBlock signedBlock = TestState.StateTransitionAndSignBlock(testServiceProvider, state, block);
await forkChoice.OnBlockAsync(store, signedBlock);
await forkChoice.OnTickAsync(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 (int 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);
}
}