public BlsSignature GetBlockSignature(BeaconBlock block, BlsPublicKey blsPublicKey)
{
var fork = _beaconChainInformation.Fork;
var epoch = ComputeEpochAtSlot(block.Slot);
ForkVersion forkVersion;
if (epoch < fork.Epoch)
{
forkVersion = fork.PreviousVersion;
}
else
{
forkVersion = fork.CurrentVersion;
}
var domainType = _signatureDomainOptions.CurrentValue.BeaconProposer;
var proposerDomain = ComputeDomain(domainType, forkVersion);
/*
* JsonSerializerOptions options = new System.Text.Json.JsonSerializerOptions { WriteIndented = true };
* options.ConfigureNethermindCore2();
* string blockJson = System.Text.Json.JsonSerializer.Serialize(block, options);
*/
var blockRoot = _cryptographyService.HashTreeRoot(block);
var signingRoot = ComputeSigningRoot(blockRoot, proposerDomain);
var signature = _validatorKeyProvider.SignRoot(blsPublicKey, signingRoot);
return(signature);
}
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);
}