public void Indexed_attestation_there_and_back()
{
AttestationData data = new AttestationData();
data.Slot = new Slot(1);
data.CommitteeIndex = new CommitteeIndex(2);
data.BeaconBlockRoot = Sha256.OfAnEmptyString;
data.Source = new Checkpoint(new Epoch(1), Sha256.OfAnEmptyString);
data.Target = new Checkpoint(new Epoch(2), Sha256.OfAnEmptyString);
IndexedAttestation container = new IndexedAttestation();
container.AttestingIndices = new ValidatorIndex[3];
container.Data = data;
container.Signature = BlsSignature.TestSig1;
Span <byte> encoded = new byte[IndexedAttestation.SszLength(container)];
Ssz.Encode(encoded, container);
IndexedAttestation decoded = Ssz.DecodeIndexedAttestation(encoded);
Assert.AreEqual(container, decoded);
Merkle.Ize(out UInt256 root, container);
}
public static void Encode(Span <byte> span, IndexedAttestation container)
{
if (span.Length != IndexedAttestation.SszLength(container))
{
ThrowTargetLength <IndexedAttestation>(span.Length, IndexedAttestation.SszLength(container));
}
int offset = 0;
int dynamicOffset = IndexedAttestation.SszDynamicOffset;
Encode(span, container.AttestingIndices, ref offset, ref dynamicOffset);
Encode(span, container.Data, ref offset);
Encode(span, container.Signature, ref offset);
}
public static void Encode(Span <byte> span, AttesterSlashing?container)
{
if (span.Length != AttesterSlashing.SszLength(container))
{
ThrowTargetLength <AttesterSlashing>(span.Length, AttesterSlashing.SszLength(container));
}
if (container == null)
{
return;
}
int dynamicOffset = 2 * VarOffsetSize;
int length1 = IndexedAttestation.SszLength(container.Attestation1);
Encode(span.Slice(0, VarOffsetSize), dynamicOffset);
Encode(span.Slice(dynamicOffset, length1), container.Attestation1);
dynamicOffset += IndexedAttestation.SszLength(container.Attestation1);
int length2 = IndexedAttestation.SszLength(container.Attestation2);
Encode(span.Slice(VarOffsetSize, VarOffsetSize), dynamicOffset);
Encode(span.Slice(dynamicOffset, length2), container.Attestation2);
}