public void GeneratePrivateKey63()
{
// Hash of the validator index (as little endian bytes), is converted to integer as little endian,
// then that integer (after modulus) is used as the big endian private key.
// However, Hash(63) is small enough that it only has 31 bytes (not 32),
// so when writing we have to ensure the padding is at the correct end.
//
// i.e. little endian 63 = 0x3f,
// Hash(0x3f00000000000000000000000000000000000000000000000000000000000000)
// = 0xbdd4daa5482af796206dc02a6780cfb51efe5e16c491c61bd9bf64cfc0da6e00
// Little endian this is 195862955980072989385619164996948568652240008241846978685122117889393611965
// When converted to bytes big endian (as per Eth BLS), this is only 31 bytes:
// 0x6edac0cf64bfd91bc691c4165efe1eb5cf80672ac06d2096f72a48a5dad4bd
// If written to an array/span it would pad on the right, but needs to pad on the left:
// 0x006edac0cf64bfd91bc691c4165efe1eb5cf80672ac06d2096f72a48a5dad4bd
// Arrange
IServiceCollection testServiceCollection = TestSystem.BuildTestServiceCollection(useStore: true);
IConfigurationRoot configuration = new ConfigurationBuilder()
.AddInMemoryCollection(new Dictionary <string, string> {
["QuickStart:ValidatorCount"] = "64"
})
.Build();
testServiceCollection.AddBeaconNodeQuickStart(configuration);
ServiceProvider testServiceProvider = testServiceCollection.BuildServiceProvider();
// Act
QuickStart quickStart = (testServiceProvider.GetService <INodeStart>() as QuickStart) !;
byte[] privateKey = quickStart.GeneratePrivateKey(63);
// Assert
privateKey.Length.ShouldBe(32);
privateKey[0].ShouldBe((byte)0x00);
privateKey[1].ShouldBe((byte)0x6e);
privateKey[31].ShouldBe((byte)0xbd);
}
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 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);
}
