public async Task Can_Receive_Query_Response_On_Observer()
{
var recipientPeerId = PeerIdHelper.GetPeerId();
var hp = new HashProvider(HashingAlgorithm.GetAlgorithmMetadata("keccak-256"));
var lastDeltaHash = hp.ComputeMultiHash(ByteUtil.GenerateRandomByteArray(32));
var collection = new List <DeltaIndex>();
//// this matches the fake mock
for (uint x = 0; x < 10; x++)
{
var delta = new Delta
{
PreviousDeltaDfsHash = lastDeltaHash.Digest.ToByteString()
};
var index = new DeltaIndex
{
Height = 10,
Cid = delta.ToByteString()
};
collection.Add(index);
lastDeltaHash = hp.ComputeMultiHash(ByteUtil.GenerateRandomByteArray(32));
}
var deltaHistoryResponse = new PeerDeltaHistoryResponse(recipientPeerId, collection);
_peerDeltaHistoryRequest.DeltaHistoryResponseMessageStreamer.OnNext(deltaHistoryResponse);
var response = await _peerDeltaHistoryRequest.DeltaHistoryAsync(recipientPeerId).ConfigureAwait(false);
response.DeltaCid.Count.Should().Be(10);
}
private byte[] PrepareEd25519PrecompileCall(HashProvider hashProvider, FfiWrapper cryptoContext, IPrivateKey signingPrivateKey, IPrivateKey otherPrivateKey)
{
var data = Encoding.UTF8.GetBytes("Testing testing 1 2 3");
var message = hashProvider.ComputeMultiHash(data).Digest;
var signingContext = Encoding.UTF8.GetBytes("Testing testing 1 2 3 context");
var context = hashProvider.ComputeMultiHash(signingContext).Digest;
ISignature signature = cryptoContext.Sign(signingPrivateKey, message, context);
var signatureBytes = signature.SignatureBytes;
var publicKeyBytes = otherPrivateKey.GetPublicKey().Bytes;
// below verify check is not needed but allows for greater confidence for any person in the future
// that would approach and debug test when it goes wrong
// =====================================================
cryptoContext.Verify(signature, message, context)
.Should().BeTrue("signature generated with private key should verify with corresponding public key");
// =====================================================
// save message hash in memory at position 0x00
string pushToMemoryAt0 = "7f" + message.ToHexString(false) + "600052";
// save first 32 bytes of the sig in memory starting from position 0x20
string pushToMemoryAt32 = "7f" + signatureBytes.AsSpan(0, 32).ToHexString(false) + "602052";
// save remaining 32 bytes of the sig in memory starting from position 0x40
string pushToMemoryAt64 = "7f" + signatureBytes.AsSpan(32, 32).ToHexString(false) + "604052";
// save context bytes in memory starting from position 0x60 (but this should be changed if context is smaller)
string pushToMemoryAt96 = "7f" + context.ToHexString(false) + "606052";
// save public key bytes in memory starting from position 0x80 (but this should be changed if context is smaller)
string pushToMemoryAt128 = "7f" + publicKeyBytes.ToHexString(false) + "608052";
// address of the precompile within Catalyst
string addressCode = GetEd25519PrecompileAddressAsHex();
var byteCode = Bytes.FromHexString(
pushToMemoryAt0 +
pushToMemoryAt32 +
pushToMemoryAt64 +
pushToMemoryAt96 +
pushToMemoryAt128 +
// PUSH1 32 PUSH1 0 PUSH1 160 PUSH1 0 PUSH20 address GAS STATICCALL
// make a call to precompile and pass [0,160) bytes of memory as an input
// and store result at [0,1) of memory array
// allow precompile to use all the gas required
"6001600060a0600073" +
addressCode +
"45fa00");
TestContext.WriteLine(byteCode.ToHexString());
return(byteCode);
}
public void DeltasDao_Deltas_Should_Be_Convertible()
{
var previousHash = _hashProvider.ComputeMultiHash(Encoding.UTF8.GetBytes("previousHash"));
var original = DeltaHelper.GetDelta(_hashProvider, previousHash);
var messageDao = original.ToDao <Delta, DeltaDao>(_mapperProvider);
var reconverted = messageDao.ToProtoBuff <DeltaDao, Delta>(_mapperProvider);
original.Should().Be(reconverted);
}
public TestCycleEventProvider(ILogger logger = null)
{
Scheduler = new TestScheduler();
var schedulerProvider = Substitute.For <ICycleSchedulerProvider>();
schedulerProvider.Scheduler.Returns(Scheduler);
var dateTimeProvider = Substitute.For <IDateTimeProvider>();
var deltaHashProvider = Substitute.For <IDeltaHashProvider>();
var hashingAlgorithm = HashingAlgorithm.GetAlgorithmMetadata("blake2b-256");
var hashingProvider = new HashProvider(hashingAlgorithm);
dateTimeProvider.UtcNow.Returns(_ => Scheduler.Now.DateTime);
_cycleEventsProvider = new CycleEventsProvider(
CycleConfiguration.Default, dateTimeProvider, schedulerProvider, deltaHashProvider,
logger ?? Substitute.For <ILogger>());
deltaHashProvider.GetLatestDeltaHash(Arg.Any <DateTime>())
.Returns(ci => hashingProvider.ComputeMultiHash(
BitConverter.GetBytes(((DateTime)ci[0]).Ticks /
(int)_cycleEventsProvider.Configuration.CycleDuration.Ticks)));
_deltaUpdatesSubscription = PhaseChanges.Subscribe(p => CurrentPhase = p);
}
public async Task Can_Process_DeltaHeightRequest_Correctly()
{
var fakeContext = Substitute.For <IChannelHandlerContext>();
var deltaHistoryRequestMessage = new DeltaHistoryRequest();
var channeledAny = new ObserverDto(fakeContext,
deltaHistoryRequestMessage.ToProtocolMessage(PeerIdHelper.GetPeerId(),
CorrelationId.GenerateCorrelationId()
)
);
var observableStream = new[] { channeledAny }.ToObservable(_testScheduler);
_deltaHistoryRequestObserver.StartObserving(observableStream);
_testScheduler.Start();
var response = new DeltaHistoryResponse();
var hp = new HashProvider(HashingAlgorithm.GetAlgorithmMetadata("keccak-256"));
var lastDeltaHash = hp.ComputeMultiHash(ByteUtil.GenerateRandomByteArray(32));
for (uint x = 0; x < 10; x++)
{
var delta = new Delta
{
PreviousDeltaDfsHash = lastDeltaHash.Digest.ToByteString()
};
var index = new DeltaIndex
{
Height = 10,
Cid = delta.ToByteString()
};
response.DeltaIndex.Add(index);
lastDeltaHash = hp.ComputeMultiHash(ByteUtil.GenerateRandomByteArray(32));
}
await fakeContext.Channel.ReceivedWithAnyArgs(1)
.WriteAndFlushAsync(response.ToProtocolMessage(PeerIdHelper.GetPeerId(), CorrelationId.GenerateCorrelationId())).ConfigureAwait(false);
_subbedLogger.ReceivedWithAnyArgs(1);
}