public async Task <BeaconBlock> NewBlockAsync(Slot slot, BlsSignature randaoReveal,
CancellationToken cancellationToken)
{
if (slot == Slot.Zero)
{
throw new ArgumentException("Can't generate new block for slot 0, as it is the genesis block.");
}
Slot previousSlot = slot - Slot.One;
Root head = await _forkChoice.GetHeadAsync(_store).ConfigureAwait(false);
BeaconBlock headBeaconBlock = (await _store.GetSignedBlockAsync(head).ConfigureAwait(false)).Message;
BeaconState parentState;
Root parentRoot;
if (headBeaconBlock !.Slot > previousSlot)
{
// Requesting a block for a past slot?
Root ancestorRoot =
await _forkChoice.GetAncestorAsync(_store, head, previousSlot).ConfigureAwait(false);
parentState = await _store.GetBlockStateAsync(ancestorRoot).ConfigureAwait(false);
parentRoot = ancestorRoot;
}
private static BlsSignature DecodeBlsSignature(Span <byte> span, ref int offset)
{
BlsSignature blsSignature = DecodeBlsSignature(span.Slice(offset, BlsSignature.SszLength));
offset += BlsSignature.SszLength;
return(blsSignature);
}
public DepositData(BlsPublicKey publicKey, Bytes32 withdrawalCredentials, Gwei amount, BlsSignature signature)
{
PublicKey = publicKey;
WithdrawalCredentials = withdrawalCredentials;
Amount = amount;
Signature = signature; // Signing over DepositMessage
}
private static SignedVoluntaryExit DecodeSignedVoluntaryExit(ReadOnlySpan <byte> span, ref int offset)
{
VoluntaryExit message = DecodeVoluntaryExit(span, ref offset);
BlsSignature signature = DecodeBlsSignature(span, ref offset);
return(new SignedVoluntaryExit(message, signature));
}
// ReSharper disable once InconsistentNaming
// ReSharper disable once IdentifierTypo
public async Task <IActionResult> GetAsync([FromQuery] ulong slot, [FromQuery] byte[] randao_reveal,
CancellationToken cancellationToken)
{
if (_logger.IsInfo())
{
Log.NewBlockRequested(_logger, slot, Bytes.ToHexString(randao_reveal), null);
}
Slot targetSlot = new Slot(slot);
BlsSignature randaoReveal = new BlsSignature(randao_reveal);
ApiResponse <BeaconBlock> apiResponse =
await _beaconNode.NewBlockAsync(targetSlot, randaoReveal, cancellationToken).ConfigureAwait(false);
switch (apiResponse.StatusCode)
{
case Core2.Api.StatusCode.Success:
return(Ok(apiResponse.Content));
case Core2.Api.StatusCode.InvalidRequest:
return(Problem("Invalid request syntax.", statusCode: (int)apiResponse.StatusCode));
case Core2.Api.StatusCode.CurrentlySyncing:
return(Problem("Beacon node is currently syncing, try again later.",
statusCode: (int)apiResponse.StatusCode));
}
return(Problem("Beacon node internal error.", statusCode: (int)apiResponse.StatusCode));
}
private static SignedBeaconBlockHeader DecodeSignedBeaconBlockHeader(ReadOnlySpan <byte> span, ref int offset)
{
BeaconBlockHeader message = DecodeBeaconBlockHeader(span, ref offset);
BlsSignature signature = DecodeBlsSignature(span, ref offset);
return(new SignedBeaconBlockHeader(message, signature));
}
private static BlsSignature DecodeBlsSignature(ReadOnlySpan <byte> span, ref int offset)
{
BlsSignature blsSignature = DecodeBlsSignature(span.Slice(offset, Ssz.BlsSignatureLength));
offset += Ssz.BlsSignatureLength;
return(blsSignature);
}
public static void SignDepositData(IServiceProvider testServiceProvider, DepositData depositData, byte[] privateKey, BeaconState?state)
{
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
Domain domain;
if (state == null)
{
// Genesis
domain = beaconChainUtility.ComputeDomain(signatureDomains.Deposit);
}
else
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
domain = beaconStateAccessor.GetDomain(state, signatureDomains.Deposit, Epoch.None);
}
DepositMessage depositMessage = new DepositMessage(depositData.PublicKey, depositData.WithdrawalCredentials, depositData.Amount);
Root depositMessageRoot = cryptographyService.HashTreeRoot(depositMessage);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(depositMessageRoot, domain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
depositData.SetSignature(signature);
}
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 BlsSignature GetBlockSignature(BeaconBlock block, BlsPublicKey blsPublicKey)
{
Fork fork = _beaconChainInformation.Fork;
Epoch epoch = ComputeEpochAtSlot(block.Slot);
ForkVersion forkVersion;
if (epoch < fork.Epoch)
{
forkVersion = fork.PreviousVersion;
}
else
{
forkVersion = fork.CurrentVersion;
}
DomainType domainType = _signatureDomainOptions.CurrentValue.BeaconProposer;
Domain proposerDomain = ComputeDomain(domainType, forkVersion);
/*
* JsonSerializerOptions options = new System.Text.Json.JsonSerializerOptions { WriteIndented = true };
* options.ConfigureNethermindCore2();
* string blockJson = System.Text.Json.JsonSerializer.Serialize(block, options);
*/
Root blockRoot = _cryptographyService.HashTreeRoot(block);
Root signingRoot = ComputeSigningRoot(blockRoot, proposerDomain);
BlsSignature signature = _validatorKeyProvider.SignRoot(blsPublicKey, signingRoot);
return(signature);
}
public BlsSignature GetEpochSignature(Slot slot, BlsPublicKey blsPublicKey)
{
Fork fork = _beaconChainInformation.Fork;
Epoch epoch = ComputeEpochAtSlot(slot);
ForkVersion forkVersion;
if (epoch < fork.Epoch)
{
forkVersion = fork.PreviousVersion;
}
else
{
forkVersion = fork.CurrentVersion;
}
DomainType domainType = _signatureDomainOptions.CurrentValue.Randao;
Domain randaoDomain = ComputeDomain(domainType, forkVersion);
Root epochRoot = _cryptographyService.HashTreeRoot(epoch);
Root signingRoot = ComputeSigningRoot(epochRoot, randaoDomain);
BlsSignature randaoReveal = _validatorKeyProvider.SignRoot(blsPublicKey, signingRoot);
return(randaoReveal);
}
public async Task <BlsSignature> GetAttestationSignatureAsync(Attestation unsignedAttestation,
BlsPublicKey blsPublicKey)
{
Fork fork = _beaconChainInformation.Fork;
Epoch epoch = ComputeEpochAtSlot(unsignedAttestation.Data.Slot);
ForkVersion forkVersion;
if (epoch < fork.Epoch)
{
forkVersion = fork.PreviousVersion;
}
else
{
forkVersion = fork.CurrentVersion;
}
DomainType domainType = _signatureDomainOptions.CurrentValue.BeaconAttester;
(DomainType domainType, ForkVersion forkVersion)cacheKey = (domainType, forkVersion);
Domain attesterDomain =
await _cache.GetOrCreateAsync(cacheKey,
entry => { return(Task.FromResult(ComputeDomain(domainType, forkVersion))); }).ConfigureAwait(false);
Root attestationDataRoot = _cryptographyService.HashTreeRoot(unsignedAttestation.Data);
Root signingRoot = ComputeSigningRoot(attestationDataRoot, attesterDomain);
BlsSignature signature = _validatorKeyProvider.SignRoot(blsPublicKey, signingRoot);
return(signature);
}
public async Task <BeaconBlock> NewBlockAsync(Slot slot, BlsSignature randaoReveal)
{
if (slot == Slot.Zero)
{
throw new ArgumentException("Can't generate new block for slot 0, as it is the genesis block.");
}
if (!_storeProvider.TryGetStore(out IStore? retrievedStore))
{
throw new Exception("Beacon chain is currently syncing or waiting for genesis.");
}
IStore store = retrievedStore !;
Slot previousSlot = slot - Slot.One;
Hash32 head = await _forkChoice.GetHeadAsync(store).ConfigureAwait(false);
BeaconBlock headBlock = await store.GetBlockAsync(head).ConfigureAwait(false);
BeaconBlock parentBlock;
BeaconState parentState;
Hash32 parentRoot;
if (headBlock !.Slot > previousSlot)
{
// Requesting a block for a past slot?
Hash32 ancestorSigningRoot = await _forkChoice.GetAncestorAsync(store, head, previousSlot);
parentBlock = await store.GetBlockAsync(ancestorSigningRoot).ConfigureAwait(false);
parentState = await store.GetBlockStateAsync(ancestorSigningRoot).ConfigureAwait(false);
parentRoot = ancestorSigningRoot;
}
public DepositData(BlsPublicKey publicKey, Hash32 withdrawalCredentials, Gwei amount)
{
PublicKey = publicKey;
WithdrawalCredentials = withdrawalCredentials;
Amount = amount;
Signature = new BlsSignature();
}
public Attestation(BitArray aggregationBits, AttestationData data, BitArray custodyBits, BlsSignature signature)
{
AggregationBits = aggregationBits;
Data = data;
CustodyBits = custodyBits;
Signature = signature;
}
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 BeaconBlock(Hash32 genesisStateRoot)
{
Slot = new Slot(0);
ParentRoot = Hash32.Zero;
StateRoot = genesisStateRoot;
Body = new BeaconBlockBody();
Signature = new BlsSignature();
}
public static void SignAttestation(IServiceProvider testServiceProvider, BeaconState state, Attestation attestation)
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
IReadOnlyList <ValidatorIndex> participants = beaconStateAccessor.GetAttestingIndices(state, attestation.Data, attestation.AggregationBits);
BlsSignature signature = SignAggregateAttestation(testServiceProvider, state, attestation.Data, participants);
attestation.SetSignature(signature);
}
public IndexedAttestation(
IEnumerable <ValidatorIndex> attestingIndices,
AttestationData data,
BlsSignature signature)
{
_attestingIndices = new List <ValidatorIndex>(attestingIndices);
Data = data;
Signature = signature;
}
public bool BlsVerify(BlsPublicKey publicKey, Hash32 messageHash, BlsSignature signature, Domain domain)
{
var blsParameters = new BLSParameters()
{
PublicKey = publicKey.AsSpan().ToArray()
};
using var signatureAlgorithm = SignatureAlgorithmFactory(blsParameters);
return(signatureAlgorithm.VerifyHash(messageHash.AsSpan(), signature.AsSpan(), domain.AsSpan()));
}
public bool BlsVerify(BlsPublicKey publicKey, Root signingRoot, BlsSignature signature)
{
BLSParameters blsParameters = new BLSParameters()
{
PublicKey = publicKey.AsSpan().ToArray()
};
using BLS signatureAlgorithm = SignatureAlgorithmFactory(blsParameters);
return(signatureAlgorithm.VerifyHash(signingRoot.AsSpan(), signature.AsSpan()));
}
public static void SignBlock(IServiceProvider testServiceProvider, BeaconState state, BeaconBlock block, ValidatorIndex proposerIndex)
{
MiscellaneousParameters miscellaneousParameters = testServiceProvider.GetService <IOptions <MiscellaneousParameters> >().Value;
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
MaxOperationsPerBlock maxOperationsPerBlock = testServiceProvider.GetService <IOptions <MaxOperationsPerBlock> >().Value;
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
if (state.Slot > block.Slot)
{
throw new ArgumentOutOfRangeException("block.Slot", block.Slot, $"Slot of block must be equal or less that state slot {state.Slot}");
}
Epoch blockEpoch = beaconChainUtility.ComputeEpochAtSlot(block.Slot);
if (proposerIndex == ValidatorIndex.None)
{
if (block.Slot == state.Slot)
{
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
}
else
{
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
if (stateEpoch + 1 > blockEpoch)
{
Console.WriteLine("WARNING: Block slot far away, and no proposer index manually given."
+ " Signing block is slow due to transition for proposer index calculation.");
}
// use stub state to get proposer index of future slot
BeaconState stubState = BeaconState.Clone(state);
beaconStateTransition.ProcessSlots(stubState, block.Slot);
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(stubState);
}
}
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)proposerIndex];
Domain randaoDomain = beaconStateAccessor.GetDomain(state, signatureDomains.Randao, blockEpoch);
Hash32 randaoRevealHash = blockEpoch.HashTreeRoot();
BlsSignature randaoReveal = TestSecurity.BlsSign(randaoRevealHash, privateKey, randaoDomain);
block.Body.SetRandaoReveal(randaoReveal);
Domain signatureDomain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconProposer, blockEpoch);
Hash32 signingRoot = cryptographyService.SigningRoot(block);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey, signatureDomain);
block.SetSignature(signature);
}
public IndexedAttestation(
IEnumerable <ValidatorIndex> custodyBit0Indices,
IEnumerable <ValidatorIndex> custodyBit1Indices,
AttestationData data,
BlsSignature signature)
{
_custodyBit0Indices = new List <ValidatorIndex>(custodyBit0Indices);
_custodyBit1Indices = new List <ValidatorIndex>(custodyBit1Indices);
Data = data;
Signature = signature;
}
public BeaconBlock(Slot slot, Hash32 parentRoot, Hash32 stateRoot, BeaconBlockBody body, BlsSignature signature)
{
Slot = slot;
ParentRoot = parentRoot;
StateRoot = stateRoot;
Body = body;
Signature = signature;
//Body = new BeaconBlockBody(randaoReveal,
// new Eth1Data(Hash32.Zero, 0),
// new Bytes32(), Array.Empty<Deposit>());
}
public static IndexedAttestation DecodeIndexedAttestation(ReadOnlySpan <byte> span)
{
int offset = 0;
DecodeDynamicOffset(span, ref offset, out int dynamicOffset1);
ValidatorIndex[] attestingIndices = DecodeValidatorIndexes(span.Slice(dynamicOffset1));
AttestationData data = DecodeAttestationData(span, ref offset);
BlsSignature signature = DecodeBlsSignature(span, ref offset);
IndexedAttestation container = new IndexedAttestation(attestingIndices, data, signature);
return(container);
}
public static SignedBeaconBlock SignBlock(IServiceProvider testServiceProvider, BeaconState state, BeaconBlock block, ValidatorIndex?optionalProposerIndex)
{
TimeParameters timeParameters = testServiceProvider.GetService <IOptions <TimeParameters> >().Value;
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
ICryptographyService cryptographyService = testServiceProvider.GetService <ICryptographyService>();
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
BeaconStateTransition beaconStateTransition = testServiceProvider.GetService <BeaconStateTransition>();
if (state.Slot > block.Slot)
{
throw new ArgumentOutOfRangeException("block.Slot", block.Slot, $"Slot of block must be equal or less that state slot {state.Slot}");
}
Epoch blockEpoch = beaconChainUtility.ComputeEpochAtSlot(block.Slot);
ValidatorIndex proposerIndex;
if (optionalProposerIndex.HasValue)
{
proposerIndex = optionalProposerIndex.Value;
}
else
{
if (block.Slot == state.Slot)
{
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(state);
}
else
{
Epoch stateEpoch = beaconChainUtility.ComputeEpochAtSlot(state.Slot);
if (stateEpoch + 1 > blockEpoch)
{
Console.WriteLine("WARNING: Block slot far away, and no proposer index manually given."
+ " Signing block is slow due to transition for proposer index calculation.");
}
// use stub state to get proposer index of future slot
BeaconState stubState = BeaconState.Clone(state);
beaconStateTransition.ProcessSlots(stubState, block.Slot);
proposerIndex = beaconStateAccessor.GetBeaconProposerIndex(stubState);
}
}
byte[][] privateKeys = TestKeys.PrivateKeys(timeParameters).ToArray();
byte[] privateKey = privateKeys[(int)(ulong)proposerIndex];
Root blockHashTreeRoot = cryptographyService.HashTreeRoot(block);
Domain proposerDomain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconProposer, blockEpoch);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(blockHashTreeRoot, proposerDomain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
return(new SignedBeaconBlock(block, signature));
}
public void CheckEmptyBlockRootAfterDeserializing()
{
// Arrange
Eth1Data eth1Data = new Eth1Data(
new Root(Enumerable.Repeat((byte)0x12, 32).ToArray()),
64,
new Bytes32(Enumerable.Repeat((byte)0x34, 32).ToArray()));
BlsSignature randaoReveal = new BlsSignature(Enumerable.Repeat((byte)0xfe, 96).ToArray());
BeaconBlockBody beaconBlockBody = new BeaconBlockBody(
randaoReveal,
eth1Data,
new Bytes32(new byte[32]),
new ProposerSlashing[0],
new AttesterSlashing [0],
new Attestation[0],
new Deposit[0],
new SignedVoluntaryExit[0]
);
BeaconBlock beaconBlock = new BeaconBlock(
new Slot(1),
new Root(Enumerable.Repeat((byte)0x78, 32).ToArray()),
new Root(Enumerable.Repeat((byte)0x9a, 32).ToArray()),
beaconBlockBody);
Merkle.Ize(out UInt256 blockRoot256, beaconBlock);
Span <byte> blockRootSpan = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref blockRoot256, 1));
Root blockRoot = new Root(blockRootSpan);
SignedBeaconBlock signedBeaconBlock = new SignedBeaconBlock(
beaconBlock,
new BlsSignature(Enumerable.Repeat((byte)0x0e, 96).ToArray())
);
// Act
Span <byte> encoded = new byte[Ssz.SignedBeaconBlockLength(signedBeaconBlock)];
Ssz.Encode(encoded, signedBeaconBlock);
SignedBeaconBlock decoded = Ssz.DecodeSignedBeaconBlock(encoded);
// Assert
Merkle.Ize(out UInt256 decodedBlockRoot256, decoded.Message);
Span <byte> decodedBlockRootSpan = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref decodedBlockRoot256, 1));
Root decodedBlockRoot = new Root(decodedBlockRootSpan);
decodedBlockRoot.ShouldBe(blockRoot);
}
public static BlsSignature GetAttestationSignature(IServiceProvider testServiceProvider, BeaconState state, AttestationData attestationData, byte[] privateKey)
{
SignatureDomains signatureDomains = testServiceProvider.GetService <IOptions <SignatureDomains> >().Value;
BeaconChainUtility beaconChainUtility = testServiceProvider.GetService <BeaconChainUtility>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
Root attestationDataRoot = attestationData.HashTreeRoot();
Domain domain = beaconStateAccessor.GetDomain(state, signatureDomains.BeaconAttester, attestationData.Target.Epoch);
Root signingRoot = beaconChainUtility.ComputeSigningRoot(attestationDataRoot, domain);
BlsSignature signature = TestSecurity.BlsSign(signingRoot, privateKey);
return(signature);
}
public BeaconBlockHeader(
Slot slot,
Hash32 parentRoot,
Hash32 stateRoot,
Hash32 bodyRoot,
BlsSignature signature)
{
Slot = slot;
ParentRoot = parentRoot;
StateRoot = stateRoot;
BodyRoot = bodyRoot;
Signature = signature;
}
public async Task SignedBeaconBlock_RoundTripEmpty()
{
// Arrange
JsonSerializerOptions options = new JsonSerializerOptions();
options.ConfigureNethermindCore2();
Eth1Data eth1Data = new Eth1Data(
new Root(Enumerable.Repeat((byte)0x12, 32).ToArray()),
64,
new Bytes32(Enumerable.Repeat((byte)0x34, 32).ToArray()));
BlsSignature randaoReveal = new BlsSignature(Enumerable.Repeat((byte)0xfe, 96).ToArray());
BeaconBlockBody beaconBlockBody = new BeaconBlockBody(
randaoReveal,
eth1Data,
new Bytes32(new byte[32]),
new ProposerSlashing[0],
new AttesterSlashing [0],
new Attestation[0],
new Deposit[0],
new SignedVoluntaryExit[0]
);
BeaconBlock beaconBlock = new BeaconBlock(
new Slot(1),
new Root(Enumerable.Repeat((byte)0x78, 32).ToArray()),
new Root(Enumerable.Repeat((byte)0x9a, 32).ToArray()),
beaconBlockBody);
SignedBeaconBlock signedBeaconBlock = new SignedBeaconBlock(
beaconBlock,
new BlsSignature(Enumerable.Repeat((byte)0x0e, 96).ToArray())
);
// Act - round trip to string
await using MemoryStream outputMemoryStream = new MemoryStream();
await JsonSerializer.SerializeAsync(outputMemoryStream, signedBeaconBlock, options);
string jsonString = Encoding.UTF8.GetString(outputMemoryStream.ToArray());
Console.WriteLine(jsonString);
// Assert - Round trip
await using MemoryStream inputMemoryStream = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
SignedBeaconBlock roundTripSignedBeaconBlock = await JsonSerializer.DeserializeAsync <SignedBeaconBlock>(inputMemoryStream, options);
roundTripSignedBeaconBlock.Message.Body.Eth1Data.BlockHash.AsSpan()[1].ShouldBe((byte)0x34);
}