private static OutPoint DeserializeOutPoint(byte[] bytes)
{
byte[] txHashBytes = bytes.Take(32).ToArray();
int index = (int)BitConverter.ToUInt32(bytes.Skip(32).Take(4).ToArray());
OutPoint outPoint = new()
{
TxHash = TypesConvert.BytesToHexString(txHashBytes),
Index = TypesConvert.Int32ToHex(index),
};
return(outPoint);
}
public static Script Parse(string witness)
{
byte[] witnessSerialization = Convert.HexStringToBytes(witness);
byte[] s = witnessSerialization.Skip(4).Take(4).ToArray();
UInt32 scriptOffset = Convert.LEBytesToUInt32(s);
UInt32 messageOffset = Convert.LEBytesToUInt32(
witnessSerialization.Skip(8).Take(4).ToArray()
);
byte[] scriptSerialization = witnessSerialization
.Skip((int)scriptOffset)
.Take((int)(messageOffset - scriptOffset))
.ToArray();
UInt32 codeHashOffset = Convert.LEBytesToUInt32(
scriptSerialization.Skip(4).Take(4).ToArray()
);
UInt32 hashTypeOffset = Convert.LEBytesToUInt32(
scriptSerialization.Skip(8).Take(4).ToArray()
);
UInt32 argsOffset = Convert.LEBytesToUInt32(
scriptSerialization.Skip(12).Take(4).ToArray());
byte[] codeHashSerialization = scriptSerialization
.Skip((int)codeHashOffset)
.Take((int)(hashTypeOffset - codeHashOffset))
.ToArray();
byte[] hashTypeSerialization = scriptSerialization
.Skip((int)hashTypeOffset)
.Take((int)(argsOffset - hashTypeOffset))
.ToArray();
byte[] argsSerialization = scriptSerialization
.Skip((int)hashTypeOffset + 5)
.ToArray();
string codeHash = Convert.BytesToHexString(codeHashSerialization);
string hashType = Convert.BytesToHexString(hashTypeSerialization) == "0x00" ? "data" : "type";
string args = Convert.BytesToHexString(argsSerialization);
return(new Script()
{
CodeHash = codeHash,
HashType = hashType,
Args = args,
});
}
private static string ComputeDataHash(string data)
{
return(TypesConvert.BytesToHexString(Blake2bHasher.ComputeHash(TypesConvert.HexStringToBytes(data))));
}
private static string ComputeScriptHash(Script script)
{
return(TypesConvert.BytesToHexString(Blake2bHasher.ComputeHash(new ScriptSerializer(script).Serialize())));
}
