public async Task <ApiResponse <BeaconBlock> > NewBlockAsync(Slot slot, BlsSignature randaoReveal,
CancellationToken cancellationToken)
{
string baseUri = "validator/block";
Dictionary <string, string> queryParameters = new Dictionary <string, string>
{
["slot"] = slot.ToString(),
["randao_reveal"] = randaoReveal.ToString()
};
string uri = QueryHelpers.AddQueryString(baseUri, queryParameters);
using HttpResponseMessage httpResponse =
await _httpClient.GetAsync(uri, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
int statusCode = (int)httpResponse.StatusCode;
if (statusCode == (int)StatusCode.InvalidRequest ||
statusCode == (int)StatusCode.CurrentlySyncing)
{
return(ApiResponse.Create <BeaconBlock>((StatusCode)statusCode));
}
httpResponse.EnsureSuccessStatusCode(); // throws if not 200-299
await using Stream contentStream = await httpResponse.Content.ReadAsStreamAsync();
BeaconBlock content =
await JsonSerializer.DeserializeAsync <BeaconBlock>(contentStream, _jsonSerializerOptions,
cancellationToken);
return(ApiResponse.Create((StatusCode)statusCode, content));
}
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.AddBeaconNodeQuickStart(configuration);
testServiceCollection.AddBeaconNodeEth1Bridge(configuration);
testServiceCollection.AddSingleton <IHostEnvironment>(Substitute.For <IHostEnvironment>());
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
Eth1BridgeWorker eth1BridgeWorker =
testServiceProvider.GetServices <IHostedService>().OfType <Eth1BridgeWorker>().First();
await eth1BridgeWorker.ExecuteEth1GenesisAsync(CancellationToken.None);
IBeaconNodeApi beaconNode = testServiceProvider.GetService <IBeaconNodeApi>();
ApiResponse <Fork> forkResponse = await beaconNode.GetNodeForkAsync(CancellationToken.None);
Fork fork = forkResponse.Content;
fork.CurrentVersion.ShouldBe(new ForkVersion(new byte[4] {
0x00, 0x00, 0x00, 0x01
}));
// Act
BlockProducer blockProducer = testServiceProvider.GetService <BlockProducer>();
Slot targetSlot = new Slot(1);
// With QuickStart64, proposer for Slot 1 is validator index 29, 0xa98ed496...
QuickStartMockEth1GenesisProvider quickStartMockEth1GenesisProvider = (QuickStartMockEth1GenesisProvider)testServiceProvider.GetService <IEth1GenesisProvider>();
byte[] privateKey = quickStartMockEth1GenesisProvider.GeneratePrivateKey(29);
BlsSignature randaoReveal = GetEpochSignature(testServiceProvider, privateKey, fork.CurrentVersion, targetSlot);
// value for quickstart 20/64, fork 0, slot 1
randaoReveal.ToString().StartsWith("0x932f8730");
BeaconBlock newBlock = await blockProducer.NewBlockAsync(targetSlot, randaoReveal, CancellationToken.None);
// Assert
newBlock.Slot.ShouldBe(targetSlot);
newBlock.Body.RandaoReveal.ShouldBe(randaoReveal);
newBlock.ParentRoot.ToString().ShouldStartWith("0x4d4e9a16");
newBlock.Body.Eth1Data.DepositCount.ShouldBe((ulong)numberOfValidators);
newBlock.Body.Eth1Data.DepositRoot.ToString().ShouldStartWith("0x66687aad");
newBlock.StateRoot.ToString().ShouldStartWith("0x0138b69f");
newBlock.Body.Attestations.Count.ShouldBe(0);
newBlock.Body.Deposits.Count.ShouldBe(0);
}
public async Task ProcessProposalDutiesAsync(Slot slot, CancellationToken cancellationToken)
{
// If proposer, get block, sign block, return to node
// Retry if not successful; need to queue this up to send immediately if connection issue. (or broadcast?)
BlsPublicKey?blsPublicKey = _validatorState.GetProposalDutyForSlot(slot);
if (!(blsPublicKey is null))
{
Activity activity = new Activity("process-proposal-duty");
activity.Start();
try
{
if (_logger.IsInfo())
{
Log.ProposalDutyFor(_logger, slot, _beaconChainInformation.Time, blsPublicKey, null);
}
BlsSignature randaoReveal = GetEpochSignature(slot, blsPublicKey);
if (_logger.IsDebug())
{
LogDebug.RequestingBlock(_logger, slot, blsPublicKey.ToShortString(),
randaoReveal.ToString().Substring(0, 10), null);
}
ApiResponse <BeaconBlock> newBlockResponse = await _beaconNodeApi
.NewBlockAsync(slot, randaoReveal, cancellationToken).ConfigureAwait(false);
if (newBlockResponse.StatusCode == StatusCode.Success)
{
BeaconBlock unsignedBlock = newBlockResponse.Content;
BlsSignature blockSignature = GetBlockSignature(unsignedBlock, blsPublicKey);
SignedBeaconBlock signedBlock = new SignedBeaconBlock(unsignedBlock, blockSignature);
if (_logger.IsDebug())
{
LogDebug.PublishingSignedBlock(_logger, slot, blsPublicKey.ToShortString(),
randaoReveal.ToString().Substring(0, 10), signedBlock.Message,
signedBlock.Signature.ToString().Substring(0, 10), null);
}
ApiResponse publishBlockResponse = await _beaconNodeApi
.PublishBlockAsync(signedBlock, cancellationToken)
.ConfigureAwait(false);
if (publishBlockResponse.StatusCode != StatusCode.Success && publishBlockResponse.StatusCode !=
StatusCode.BroadcastButFailedValidation)
{
throw new Exception(
$"Error response from publish: {(int) publishBlockResponse.StatusCode} {publishBlockResponse.StatusCode}.");
}
bool nodeAccepted = publishBlockResponse.StatusCode == StatusCode.Success;
// TODO: Log warning if not accepted? Not sure what else we could do.
_validatorState.ClearProposalDutyForSlot(slot);
}
}
catch (Exception ex)
{
Log.ExceptionProcessingProposalDuty(_logger, slot, blsPublicKey, ex.Message, ex);
}
finally
{
activity.Stop();
}
}
}
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.AddBeaconNodeQuickStart(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(CancellationToken.None);
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("0x91b06cbcd6dc97b89dc8b95e0b01a497932683b182e6c722ddfa10cd005b2180");
newBlock.ParentRoot.ShouldBe(expectedParentRoot);
newBlock.Body.Eth1Data.DepositCount.ShouldBe((ulong)numberOfValidators);
Hash32 expectedEth1DataDepositRoot = new Hash32("0x66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925");
newBlock.Body.Eth1Data.DepositRoot.ShouldBe(expectedEth1DataDepositRoot);
Hash32 expectedStateRoot = new Hash32("0xe05ccf6347cac0b0dab0ad0d5c941fe7c7e2ed4c69550ed9a628bc9d62914242");
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);
}
public async Task ProcessProposalDutiesAsync(Slot slot, CancellationToken cancellationToken)
{
// If proposer, get block, sign block, return to node
// Retry if not successful; need to queue this up to send immediately if connection issue. (or broadcast?)
BlsPublicKey?blsPublicKey = _validatorState.GetProposalDutyForSlot(slot);
if (!(blsPublicKey is null))
{
if (_logger.IsInfo())
{
Log.ProposalDutyFor(_logger, slot, blsPublicKey, null);
}
BlsSignature randaoReveal = GetEpochSignature(slot, blsPublicKey);
if (_logger.IsDebug())
{
LogDebug.RequestingBlock(_logger, slot, blsPublicKey.ToShortString(), randaoReveal.ToString().Substring(0, 10), null);
}
BeaconBlock unsignedBlock = await _beaconNodeApi.NewBlockAsync(slot, randaoReveal, cancellationToken).ConfigureAwait(false);
BeaconBlock signedBlock = SignBlock(unsignedBlock, blsPublicKey);
if (_logger.IsDebug())
{
LogDebug.PublishingSignedBlock(_logger, slot, blsPublicKey.ToShortString(), randaoReveal.ToString().Substring(0, 10), signedBlock, signedBlock.Signature.ToString().Substring(0, 10), null);
}
bool nodeAccepted = await _beaconNodeApi.PublishBlockAsync(signedBlock, cancellationToken).ConfigureAwait(false);
_validatorState.ClearProposalDutyForSlot(slot);
}
}
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);
}
