public Gwei GetLatestAttestingBalance(IStore store, Hash32 root)
{
if (!store.TryGetCheckpointState(store.JustifiedCheckpoint, out var storedState))
{
throw new Exception($"Not able to get checkpoint state {store.JustifiedCheckpoint}");
}
var state = storedState !;
var currentEpoch = _beaconStateAccessor.GetCurrentEpoch(state);
var activeIndexes = _beaconStateAccessor.GetActiveValidatorIndices(state, currentEpoch);
if (!store.TryGetBlock(root, out var rootBlock))
{
throw new Exception($"Not ble to find block {root}");
}
Slot rootSlot = rootBlock !.Slot;
Gwei balance = Gwei.Zero;
foreach (ValidatorIndex index in activeIndexes)
{
if (store.TryGetLatestMessage(index, out var latestMessage))
{
var ancestor = GetAncestor(store, latestMessage !.Root, rootSlot);
if (ancestor == root)
{
var validator = state.Validators[(int)index];
balance += validator.EffectiveBalance;
}
}
}
return(balance);
}
public async Task <Gwei> GetLatestAttestingBalanceAsync(IStore store, Hash32 root)
{
// NOTE: This method should probably live in IStore, for various efficient implementations.
Checkpoint justifiedCheckpoint = store.JustifiedCheckpoint;
BeaconState state = (await store.GetCheckpointStateAsync(justifiedCheckpoint, true).ConfigureAwait(false)) !;
Epoch currentEpoch = _beaconStateAccessor.GetCurrentEpoch(state);
IList <ValidatorIndex> activeIndexes = _beaconStateAccessor.GetActiveValidatorIndices(state, currentEpoch);
BeaconBlock rootBlock = await store.GetBlockAsync(root).ConfigureAwait(false);
Slot rootSlot = rootBlock !.Slot;
Gwei balance = Gwei.Zero;
foreach (ValidatorIndex index in activeIndexes)
{
LatestMessage?latestMessage = await store.GetLatestMessageAsync(index, false);
if (latestMessage != null)
{
Hash32 ancestor = await GetAncestorAsync(store, latestMessage.Root, rootSlot);
if (ancestor == root)
{
Validator validator = state.Validators[(int)index];
balance += validator.EffectiveBalance;
}
}
}
return(balance);
}
public bool IsValidGenesisState(BeaconState state)
{
MiscellaneousParameters miscellaneousParameters = _miscellaneousParameterOptions.CurrentValue;
InitialValues initialValues = _initialValueOptions.CurrentValue;
if (state.GenesisTime < miscellaneousParameters.MinimumGenesisTime)
{
return(false);
}
var activeValidatorIndices = _beaconStateAccessor.GetActiveValidatorIndices(state, initialValues.GenesisEpoch);
if (activeValidatorIndices.Count < miscellaneousParameters.MinimumGenesisActiveValidatorCount)
{
return(false);
}
return(true);
}
