void ISerializable.Deserialize(BinaryReader reader)
{
Usage = (TransactionAttributeUsage)reader.ReadByte();
if (Usage == TransactionAttributeUsage.ContractHash ||
Usage == TransactionAttributeUsage.Vote ||
(Usage >= TransactionAttributeUsage.Hash1 && Usage <= TransactionAttributeUsage.Hash15))
{
Data = reader.ReadBytes(32);
}
else if (Usage == TransactionAttributeUsage.ECDH02 || Usage == TransactionAttributeUsage.ECDH03)
{
Data = new[] { (byte)Usage }.Concat(reader.ReadBytes(32)).ToArray();
}
else if (Usage == TransactionAttributeUsage.Script)
{
Data = reader.ReadBytes(20);
}
else if (Usage == TransactionAttributeUsage.DescriptionUrl)
{
Data = reader.ReadBytes(reader.ReadByte());
}
else if (Usage == TransactionAttributeUsage.Description || Usage >= TransactionAttributeUsage.Remark)
{
Data = reader.ReadVarBytes(ushort.MaxValue);
}
else
{
throw new FormatException();
}
}
public bool IsValidAttributeType(TransactionAttributeUsage usage)
{
return(usage == TransactionAttributeUsage.Nonce ||
usage == TransactionAttributeUsage.Script ||
usage == TransactionAttributeUsage.Description ||
usage == TransactionAttributeUsage.DescriptionUrl);
}
void ISerializable.Deserialize(BinaryReader reader)
{
this.Usage = (TransactionAttributeUsage)reader.ReadByte();
if (!Enum.IsDefined(typeof(TransactionAttributeUsage), Usage))
throw new FormatException();
int length;
switch (Usage)
{
case TransactionAttributeUsage.ContractHash:
case TransactionAttributeUsage.ECDH02:
case TransactionAttributeUsage.ECDH03:
length = 32;
break;
case TransactionAttributeUsage.LockAfter:
case TransactionAttributeUsage.LockBefore:
length = 4;
break;
default:
if (Usage >= TransactionAttributeUsage.Remark)
length = reader.ReadByte();
else
throw new FormatException();
break;
}
this.Data = reader.ReadBytes(length);
}
void ISerializable.Deserialize(BinaryReader reader)
{
this.Usage = (TransactionAttributeUsage)reader.ReadByte();
if (!Enum.IsDefined(typeof(TransactionAttributeUsage), Usage))
{
throw new FormatException();
}
int length;
switch (Usage)
{
case TransactionAttributeUsage.ContractHash:
case TransactionAttributeUsage.ECDH02:
case TransactionAttributeUsage.ECDH03:
length = 32;
break;
case TransactionAttributeUsage.LockAfter:
case TransactionAttributeUsage.LockBefore:
length = 4;
break;
default:
if (Usage >= TransactionAttributeUsage.Remark)
{
length = reader.ReadByte();
}
else
{
throw new FormatException();
}
break;
}
this.Data = reader.ReadBytes(length);
}
public void Size_Get_Hash()
{
for (TransactionAttributeUsage i = TransactionAttributeUsage.Hash1; i <= TransactionAttributeUsage.Hash15; i++)
{
uut.Usage = i;
uut.Size.Should().Be(33); // 1 + 32
}
}
void ISerializable.Deserialize(BinaryReader reader)
{
Usage = (TransactionAttributeUsage)reader.ReadByte();
if (!Enum.IsDefined(typeof(TransactionAttributeUsage), Usage))
{
throw new FormatException();
}
Data = reader.ReadVarBytes(252);
}
private byte[] GetAttributeByUsage(TransactionState tx, TransactionAttributeUsage u)
{
var v = tx.Transaction.Attributes.Where(x => x.Usage == u).FirstOrDefault();
if (v == null)
{
return(null);
}
return(v.Data);
}
void ISerializable.Deserialize(BinaryReader reader)
{
Usage = (TransactionAttributeUsage)reader.ReadByte();
if (Usage == TransactionAttributeUsage.ContractHash || Usage == TransactionAttributeUsage.Vote || (Usage >= TransactionAttributeUsage.Hash1 && Usage <= TransactionAttributeUsage.Hash15))
{
Data = reader.ReadBytes(32);
}
else if (Usage == TransactionAttributeUsage.ECDH02 || Usage == TransactionAttributeUsage.ECDH03)
{
Data = new[] { (byte)Usage }
}
public static bool IsContainAttributeUsage(this Transaction tx, TransactionAttributeUsage usage)
{
if (tx.Attributes == default || tx.Attributes.Length == 0)
{
return(false);
}
foreach (var attr in tx.Attributes)
{
if (attr.Usage == usage)
{
return(true);
}
}
return(false);
}
void ISerializable.Deserialize(BinaryReader reader)
{
Usage = (TransactionAttributeUsage)reader.ReadByte();
if (Usage == TransactionAttributeUsage.Cosigner)
{
Data = reader.ReadBytes(20);
}
else if (Usage == TransactionAttributeUsage.Url)
{
Data = reader.ReadVarBytes(252);
}
else
{
throw new FormatException();
}
}
void ISerializable.Deserialize(BinaryReader reader)
{
Usage = (TransactionAttributeUsage)reader.ReadByte();
int length;
switch (Usage)
{
case TransactionAttributeUsage.ContractHash:
case TransactionAttributeUsage.ECDH02:
case TransactionAttributeUsage.ECDH03:
length = 32;
break;
case TransactionAttributeUsage.Remark:
case TransactionAttributeUsage.Script:
length = reader.ReadByte();
break;
default:
throw new FormatException();
}
Data = reader.ReadBytes(length);
}
public TransactionAttribute(TransactionAttributeUsage usage, byte[] data)
{
Usage = usage;
Data = data;
}
