scripthash.py

import os
import ecdsa
import hashlib
import base58
import binascii
import codecs
import struct

denariusAddress= "DDD6SzCwXSEcTPHmNwEQX6xbUs2Rf3svNX"
print("D Addy:" + denariusAddress)

#base58decode denarius address
addrToBytes = base58.b58decode(denariusAddress)
print(addrToBytes)
decodedToHex = addrToBytes.hex()
print(decodedToHex)

#remove prefix
removeZeroBytes = 2
decodedToHexnoPrefix = decodedToHex[removeZeroBytes:]
print(decodedToHexnoPrefix)

#remove checksum
removeChecksum = 40
decodedNoPrefixnoChecksum = decodedToHexnoPrefix[:removeChecksum]
print(decodedNoPrefixnoChecksum)

#Add OP_DUP OP_HASH160 OP_EQUALVERIFY OP_CHECKSIG
opDup = "76"
opHash160 = "A9"
opsBuffer = "14"
opEqualVerify = "88"
opChecksig = "AC"

scriptPubKey = opDup + opHash160 + opsBuffer + decodedNoPrefixnoChecksum + opEqualVerify + opChecksig
print("scriptpubkey")
print(scriptPubKey)
print("scriptpubkey upper case")
print(scriptPubKey.upper())


hashedKey = codecs.decode(scriptPubKey.upper(), 'hex')
s = hashlib.new('sha256', hashedKey).digest()
r = hashlib.new('ripemd160', s).digest()

convertBigEndian = (codecs.encode(s, 'hex').decode("utf-8"))
print(convertBigEndian)

scriptHash = codecs.encode(codecs.decode(convertBigEndian, 'hex')[::-1], 'hex').decode()
print("----Scripthash Below----")
print(scriptHash)