public async Task BasicValidatorDuty(string publicKey, ulong epoch, bool success, ulong attestationSlot, ulong attestationShard, ulong?blockProposalSlot)
{
// 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
_ = forkChoice.GetGenesisStore(state);
// 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);
});
return;
}
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 ValidatorShouldBeActiveAfterTestGenesis(ulong index, bool shouldBeActive)
{
// NOTE: Test genesis has SlotsPerEpoch (8) * 10 = 80 validators.
// 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
_ = forkChoice.GetGenesisStore(state);
// Act
ValidatorAssignments validatorAssignments = testServiceProvider.GetService <ValidatorAssignments>();
ValidatorIndex validatorIndex = new ValidatorIndex(index);
bool validatorActive = validatorAssignments.CheckIfValidatorActive(state, validatorIndex);
// Assert
validatorActive.ShouldBe(shouldBeActive);
}
public void BasicGetCommitteeAssignment(ulong index, ulong slot, ulong committeeIndex)
{
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
// Act
ValidatorAssignments validatorAssignments = testServiceProvider.GetService <ValidatorAssignments>();
ValidatorIndex validatorIndex = new ValidatorIndex(index);
CommitteeAssignment committeeAssignment = validatorAssignments.GetCommitteeAssignment(state, Epoch.Zero, validatorIndex);
// Assert
Console.WriteLine("Validator [{0}] {1} in slot {2} committee {3}",
validatorIndex, state.Validators[(int)validatorIndex].PublicKey, committeeAssignment.Slot, committeeAssignment.CommitteeIndex);
var expectedSlot = new Slot(slot);
var expectedCommitteeIndex = new CommitteeIndex(committeeIndex);
committeeAssignment.Slot.ShouldBe(expectedSlot);
committeeAssignment.CommitteeIndex.ShouldBe(expectedCommitteeIndex);
}
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);
ForkChoice forkChoice = testServiceProvider.GetService <ForkChoice>();
// Get genesis store initialise MemoryStoreProvider with the state
IStore store = forkChoice.GetGenesisStore(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)
{
forkChoice.OnTick(store, time);
time++;
}
forkChoice.OnTick(store, time);
time++;
// Hash32 head = await forkChoice.GetHeadAsync(store);
// store.TryGetBlockState(head, out BeaconState headState);
BeaconState headState = state;
BeaconBlock block = TestBlock.BuildEmptyBlockForNextSlot(testServiceProvider, headState, signed: true);
TestState.StateTransitionAndSignBlock(testServiceProvider, headState, block);
forkChoice.OnBlock(store, block);
nextSlotTime = nextSlotTime + timeParameters.SecondsPerSlot;
}
// halfway through slot
ulong futureTime = nextSlotTime + timeParameters.SecondsPerSlot / 2;
while (time < futureTime)
{
forkChoice.OnTick(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 =
blockProposalSlot.HasValue ? new Slot(blockProposalSlot.Value) : Slot.None;
Slot expectedAttestationSlot = new 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 BasicNewBlock()
{
// Arrange
int numberOfValidators = 64;
int genesisTime = 1578009600;
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
IConfigurationRoot configuration = new ConfigurationBuilder()
.AddInMemoryCollection(new Dictionary <string, string>
{
["QuickStart:ValidatorCount"] = $"{numberOfValidators}",
["QuickStart:GenesisTime"] = $"{genesisTime}"
})
.Build();
testServiceCollection.AddQuickStart(configuration);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
QuickStart quickStart = (QuickStart)testServiceProvider.GetService <INodeStart>();
await quickStart.InitializeNodeAsync();
IBeaconNodeApi beaconNode = testServiceProvider.GetService <IBeaconNodeApi>();
Core2.Containers.Fork fork = await beaconNode.GetNodeForkAsync();
fork.CurrentVersion.ShouldBe(new ForkVersion());
// Act
BlockProducer blockProducer = testServiceProvider.GetService <BlockProducer>();
Slot targetSlot = new Slot(1);
// With QuickStart64, proposer for Slot 1 is validator index 20, 0xa1c76af1...
byte[] privateKey = quickStart.GeneratePrivateKey(20);
BlsSignature randaoReveal = GetEpochSignature(testServiceProvider, privateKey, fork.CurrentVersion, targetSlot);
// value for quickstart 20/64, fork 0, slot 1
randaoReveal.ToString().ShouldBe("0xa3426b6391a29c88f2280428d5fdae9e20f4c75a8d38d0714e3aa5b9e55594dbd555c4bc685191e83d39158c3be9744d06adc34b21d2885998a206e3b3fd435eab424cf1c01b8fd562deb411348a601e83d7332d8774d1fd3bf8b88d7a33c67c");
BeaconBlock newBlock = await blockProducer.NewBlockAsync(targetSlot, randaoReveal);
// Assert
newBlock.Slot.ShouldBe(targetSlot);
newBlock.Body.RandaoReveal.ShouldBe(randaoReveal);
Hash32 expectedParentRoot = new Hash32(Bytes.FromHexString("0x3111350140726cc0501223143ae5c7baad7f5a06764fcc7d444a657016e7d616"));
newBlock.ParentRoot.ShouldBe(expectedParentRoot);
newBlock.Body.Eth1Data.DepositCount.ShouldBe((ulong)numberOfValidators);
Hash32 expectedEth1DataDepositRoot = new Hash32(Bytes.FromHexString("0x66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925"));
newBlock.Body.Eth1Data.DepositRoot.ShouldBe(expectedEth1DataDepositRoot);
Hash32 expectedStateRoot = new Hash32(Bytes.FromHexString("0x9c7d3e5180f95175691511fd56f8a610299f0b5a682b6fe178230493d74f6d13"));
newBlock.StateRoot.ShouldBe(expectedStateRoot);
newBlock.Signature.ShouldBe(new BlsSignature(new byte[96])); // signature should be empty
newBlock.Body.Attestations.Count.ShouldBe(0);
newBlock.Body.Deposits.Count.ShouldBe(0);
}