// def get_valid_attestation(spec, state, slot=None, index=None, signed=False):
public static Attestation GetValidAttestation(IServiceProvider testServiceProvider, BeaconState state, Slot slot, CommitteeIndex index, bool signed)
{
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
if (slot == Slot.None)
{
slot = state.Slot;
}
if (index == CommitteeIndex.None)
{
index = new CommitteeIndex(0);
}
AttestationData attestationData = BuildAttestationData(testServiceProvider, state, slot, index);
IReadOnlyList <ValidatorIndex> beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestationData.Slot, attestationData.Index);
int committeeSize = beaconCommittee.Count;
BitArray aggregationBits = new BitArray(committeeSize);
Attestation attestation = new Attestation(aggregationBits, attestationData, BlsSignature.Zero);
FillAggregateAttestation(state, attestation, beaconStateAccessor);
if (signed)
{
SignAttestation(testServiceProvider, state, attestation);
}
return(attestation);
}
private static void FillAggregateAttestation(BeaconState state, Attestation attestation,
BeaconStateAccessor beaconStateAccessor)
{
var beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestation.Data.Slot, attestation.Data.Index);
for (var i = 0; i < beaconCommittee.Count; i++)
{
attestation.AggregationBits[i] = true;
}
}
private static void FillAggregateAttestation(BeaconState state, Attestation attestation,
BeaconStateAccessor beaconStateAccessor)
{
IReadOnlyList <ValidatorIndex> beaconCommittee = beaconStateAccessor.GetBeaconCommittee(state, attestation.Data.Slot, attestation.Data.Index);
for (int i = 0; i < beaconCommittee.Count; i++)
{
attestation.AggregationBits[i] = true;
}
}