public void BasicEth1DataDecode()
{
// Arrange
string hex =
// static
"e4000000" + // aggregation dynamic offset 4 + 8+8+32+(8+32)+(8+32) + 96 = 228 = 0xe5
"1500000000000000" +
"0200000000000000" +
"1212121212121212121212121212121212121212121212121212121212121212" +
"0100000000000000" +
"3434343434343434343434343434343434343434343434343434343434343434" +
"0200000000000000" +
"5656565656565656565656565656565656565656565656565656565656565656" +
"efefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefef" +
// dynamic part
"210b";
byte[] bytes = Bytes.FromHexString(hex);
// Act
Attestation attestation = Ssz.DecodeAttestation(bytes);
// Assert
attestation.Data.Slot.ShouldBe(new Slot(21));
attestation.Data.Target.Epoch.ShouldBe(new Epoch(2));
attestation.Data.Target.Root.AsSpan()[31].ShouldBe((byte)0x56);
attestation.Signature.Bytes[95].ShouldBe((byte)0xef);
attestation.AggregationBits[0].ShouldBeTrue();
attestation.AggregationBits[5].ShouldBeTrue();
attestation.AggregationBits.Length.ShouldBe(11);
}
public void 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);
Attestation container = new Attestation();
container.AggregationBits = new byte[] { 1, 2, 3 };
container.Data = data;
container.Signature = BlsSignature.TestSig1;
Span <byte> encoded = new byte[Attestation.SszLength(container)];
Ssz.Encode(encoded, container);
Attestation?decoded = Ssz.DecodeAttestation(encoded);
Assert.AreEqual(container, decoded);
Merkle.Ize(out UInt256 root, container);
}
public void Attestation_there_and_back()
{
AttestationData data = new AttestationData(
new Slot(1),
new CommitteeIndex(2),
Sha256.RootOfAnEmptyString,
new Checkpoint(new Epoch(1), Sha256.RootOfAnEmptyString),
new Checkpoint(new Epoch(2), Sha256.RootOfAnEmptyString));
Attestation container = new Attestation(
new BitArray(new byte[] { 1, 2, 3 }),
data,
TestSig1);
Span <byte> encoded = new byte[Ssz.AttestationLength(container)];
Ssz.Encode(encoded, container);
Attestation decoded = Ssz.DecodeAttestation(encoded);
Assert.AreEqual(container, decoded);
Merkle.Ize(out UInt256 root, container);
}
