public async Task OnTickAsync(BeaconChain beaconChain, ulong time, CancellationToken cancellationToken)
{
// update time
Slot previousSlot = GetCurrentSlot(beaconChain);
await beaconChain.SetTimeAsync(time).ConfigureAwait(false);
Slot currentSlot = GetCurrentSlot(beaconChain);
// TODO: attestation is done 1/3 way through slot
// Not a new slot, return
bool isNewSlot = currentSlot > previousSlot;
if (!isNewSlot)
{
return;
}
await UpdateForkVersion(cancellationToken).ConfigureAwait(false);
Epoch currentEpoch = ComputeEpochAtSlot(currentSlot);
await UpdateDutiesAsync(currentEpoch, cancellationToken).ConfigureAwait(false);
await ProcessProposalDutiesAsync(currentSlot, cancellationToken).ConfigureAwait(false);
// If upcoming attester, join (or change) topics
// Subscribe to topics
// Attest 1/3 way through slot
}
public BeaconNodeApiAdapter(ILogger <BeaconNodeApiAdapter> logger,
BeaconChain beaconChain,
BeaconNodeConfiguration beaconNodeConfiguration,
BlockProducer blockProducer)
{
_logger = logger;
_beaconChain = beaconChain;
_beaconNodeConfiguration = beaconNodeConfiguration;
_blockProducer = blockProducer;
}
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 HonestValidatorWorker(ILogger <HonestValidatorWorker> logger,
IClock clock,
IHostEnvironment environment,
IConfiguration configuration,
IBeaconNodeApi beaconNodeApi,
BeaconChain beaconChain,
ValidatorClient validatorClient,
IClientVersion clientVersion)
{
_logger = logger;
_clock = clock;
_environment = environment;
_configuration = configuration;
_beaconNodeApi = beaconNodeApi;
_beaconChain = beaconChain;
_validatorClient = validatorClient;
_clientVersion = clientVersion;
}
public ValidatorClient(ILogger <ValidatorClient> logger,
IOptionsMonitor <MiscellaneousParameters> miscellaneousParameterOptions,
IOptionsMonitor <TimeParameters> timeParameterOptions,
IOptionsMonitor <MaxOperationsPerBlock> maxOperationsPerBlockOptions,
IOptionsMonitor <SignatureDomains> signatureDomainOptions,
ICryptographyService cryptographyService,
IBeaconNodeApi beaconNodeApi,
IValidatorKeyProvider validatorKeyProvider,
BeaconChain beaconChain)
{
_logger = logger;
_miscellaneousParameterOptions = miscellaneousParameterOptions;
_timeParameterOptions = timeParameterOptions;
_maxOperationsPerBlockOptions = maxOperationsPerBlockOptions;
_signatureDomainOptions = signatureDomainOptions;
_cryptographyService = cryptographyService;
_beaconNodeApi = beaconNodeApi;
_validatorKeyProvider = validatorKeyProvider;
_beaconChain = beaconChain;
_validatorState = new ValidatorState();
}
public Slot GetCurrentSlot(BeaconChain beaconChain)
{
ulong slotValue = (beaconChain.Time - beaconChain.GenesisTime) / _timeParameterOptions.CurrentValue.SecondsPerSlot;
return(new Slot(slotValue));
}
public void Part1(string[] lines)
{
var scanners = ParseInput(lines);
var beaconChains = new List <BeaconChain>();
for (int i = 0; i < scanners.Count; i++)
{
for (int j = i + 1; j < scanners.Count; j++)
{
scanners[i].CheckForAssociatedScanners(scanners[j]);
}
}
beaconChains = new List <BeaconChain>();
var uniqueBecons = new HashSet <ScannerBeacon>();
var connectedBecons = new HashSet <ScannerBeacon>();
for (int i = 0; i < scanners.Count; i++)
{
foreach (var beacon in scanners[i].Beacons)
{
if (beacon.ConnectedBeacons.Count == 0)
{
uniqueBecons.Add(beacon);
continue;
}
var chains = beaconChains.Where(x => x.Becons.Contains(beacon)).ToList();
if (chains.Any())
{
foreach (var oldChain in chains)
{
foreach (var connectedBeacon in oldChain.Becons.Where(x => x != beacon))
{
connectedBeacon.ConnectedBeacons.Add(beacon);
beacon.ConnectedBeacons.Add(connectedBeacon);
}
beaconChains.Remove(oldChain);
}
}
var chain = new BeaconChain();
chain.AddBeacon(beacon);
foreach (var connectedBeacon in beacon.ConnectedBeacons)
{
chain.AddBeacon(connectedBeacon);
}
beaconChains.Add(chain);
connectedBecons.Add(beacon);
}
}
foreach (var beacon in connectedBecons)
{
var chains = beaconChains.Where(x => x.Becons.Contains(beacon)).ToList();
if (chains.Count > 1)
{
throw new Exception("Becon in multiple chains.");
}
else if (chains.Count == 0)
{
throw new Exception("Becon missing from chain.");
}
if (uniqueBecons.Any(x => x.ConnectedBeacons.Any()))
{
throw new Exception("Unque beacon has connection.");
}
}
var sum = uniqueBecons.Count + beaconChains.Count;
Console.WriteLine($"There are a total of {uniqueBecons.Count} unique becons and {beaconChains.Count} becons that are shared. Total becons is: {sum}");
}