public void ToByteArrayShouldNotExposeContents()
{
var nonce = new Nonce(new byte[5]);
nonce.ToByteArray()[0] = 0x01;
Assert.Equal(0x00, nonce.ToByteArray()[0]);
}
private byte[] SerializeForHash()
{
var dict = Bencodex.Types.Dictionary.Empty
.Add("index", Index)
.Add(
"timestamp",
Timestamp.ToString(BlockHeader.TimestampFormat, CultureInfo.InvariantCulture))
.Add("difficulty", Difficulty)
.Add("nonce", Nonce.ToByteArray());
if (!(Miner is null))
{
dict = dict.Add("reward_beneficiary", Miner.Value.ToByteArray());
}
if (!(PreviousHash is null))
{
dict = dict.Add("previous_hash", PreviousHash.Value.ToByteArray());
}
if (!(TxHash is null))
{
dict = dict.Add("transaction_fingerprint", TxHash.Value.ToByteArray());
}
return(new Codec().Encode(dict));
}
internal RawBlock ToRawBlock(
bool includeHash,
bool includeTransactionData
)
{
IEnumerable transactions =
Transactions.Select(
tx => includeTransactionData ?
tx.ToRawTransaction(true) as object :
tx.Id.ToByteArray() as object
);
var rawBlock = new RawBlock(
index: Index,
timestamp: Timestamp.ToString(TimestampFormat),
nonce: Nonce.ToByteArray(),
miner: Miner?.ToByteArray(),
difficulty: Difficulty,
transactions: transactions,
previousHash: PreviousHash?.ToByteArray()
);
if (includeHash)
{
rawBlock = rawBlock.AddHash(Hash.ToByteArray());
}
return(rawBlock);
}
internal BlockHeader GetBlockHeader()
{
string timestampAsString = Timestamp.ToString(
BlockHeader.TimestampFormat,
CultureInfo.InvariantCulture
);
ImmutableArray <byte> previousHashAsArray =
PreviousHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty;
ImmutableArray <byte> actionsHashAsArray =
EvaluationDigest?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty;
if (PreviousHash.Equals(EvaluationDigest))
{
Console.WriteLine();
}
// FIXME: When hash is not assigned, should throw an exception.
return(new BlockHeader(
index: Index,
timestamp: timestampAsString,
nonce: Nonce.ToByteArray().ToImmutableArray(),
miner: Miner?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
difficulty: Difficulty,
totalDifficulty: TotalDifficulty,
previousHash: previousHashAsArray,
txHash: TxHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
hash: Hash.ToByteArray().ToImmutableArray(),
preEvaluationHash: PreEvaluationHash.ToByteArray().ToImmutableArray(),
evaluationDigest: actionsHashAsArray
));
}
public void ToByteArray()
{
byte[] nonceBytes = TestUtils.GetRandomBytes(5);
var nonce = new Nonce(nonceBytes);
Assert.Equal(nonceBytes, nonce.ToByteArray());
}
internal RawBlock ToRawBlock(
bool includeHash,
bool includeTransactionData
)
{
IEnumerable <byte[]> transactions =
Transactions.OrderBy(tx => tx.Id).Select(
tx => includeTransactionData
? tx.Serialize(true)
: tx.Id.ToByteArray()
);
var rawBlock = new RawBlock(
index: Index,
timestamp: Timestamp.ToString(TimestampFormat, CultureInfo.InvariantCulture),
nonce: Nonce.ToByteArray(),
miner: Miner?.ToByteArray(),
difficulty: Difficulty,
transactions: transactions,
previousHash: PreviousHash?.ToByteArray()
);
if (includeHash)
{
rawBlock = rawBlock.AddHash(Hash.ToByteArray());
}
return(rawBlock);
}
internal BlockHeader GetBlockHeader()
{
// FIXME: When hash is not assigned, should throw an exception.
return(new BlockHeader(
index: Index,
timestamp: Timestamp.ToString(TimestampFormat, CultureInfo.InvariantCulture),
nonce: Nonce.ToByteArray().ToImmutableArray(),
miner: Miner?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
difficulty: Difficulty,
#pragma warning disable MEN002 // line is too long
previousHash: PreviousHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
#pragma warning restore MEN002 // line is too long
txHash: TxHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
hash: Hash.ToByteArray().ToImmutableArray()
));
}
internal BlockHeader GetBlockHeader()
{
string timestampAsString = Timestamp.ToString(
BlockHeader.TimestampFormat,
CultureInfo.InvariantCulture
);
ImmutableArray <byte> previousHashAsArray =
PreviousHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty;
// FIXME: When hash is not assigned, should throw an exception.
return(new BlockHeader(
index: Index,
timestamp: timestampAsString,
nonce: Nonce.ToByteArray().ToImmutableArray(),
miner: Miner?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
difficulty: Difficulty,
previousHash: previousHashAsArray,
txHash: TxHash?.ToByteArray().ToImmutableArray() ?? ImmutableArray <byte> .Empty,
hash: Hash.ToByteArray().ToImmutableArray()
));
}
public static void AssertBytesEqual(Nonce?expected, Nonce?actual) => AssertBytesEqual(expected?.ToByteArray(), actual?.ToByteArray());
public static void AssertBytesEqual(Nonce expected, Nonce actual) => AssertBytesEqual(expected.ToByteArray(), actual.ToByteArray());