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 Root HashTreeRoot(Epoch epoch)
{
return(epoch.HashTreeRoot());
}