Create BitcoinAddressValidator.py

Author: hansendm

BitcoinAddressValidator.py

@@ -0,0 +1,31 @@
+import hashlib,base58,binascii
+
+# it is not used but it is another way to convert Byte to Hex
+def convertByteToHex(inp):
+    return ''.join(["%02x" % x for x in inp])
+
+# mypublickey = '1M2tgkBsUeo2XYAjgapENNb2kxH1gzY3VH'
+
+bitcoinAddress = input("Enter a bitcoin address:")
+print("--------------------------------------")
+print("Bitcoin Address: ", bitcoinAddress)
+# base58.b58decode method generate Byte and we should convert it to Hex with hex() method
+base58Decoder = base58.b58decode(bitcoinAddress).hex()
+print("Base58 Decoder: ", base58Decoder)
+prefixAndHash = base58Decoder[:len(base58Decoder)-8]
+checksum = base58Decoder[len(base58Decoder)-8:]
+print("\t|___> Prefix & Hash: ", prefixAndHash)
+print("\t|___> Checksum: ", checksum)
+print("--------------------------------------")
+# to handle true result, we should pass our input to hashlib.sha256() method() as Byte format
+# so we use binascii.unhexlify() method to convert our input from Hex to Byte
+# finally, hexdigest() method convert value to human-readable
+hash = prefixAndHash
+for x in range(1,3):
+    hash = hashlib.sha256(binascii.unhexlify(hash)).hexdigest()
+    print("Hash#", x, " : ", hash)
+print("--------------------------------------")
+if(checksum == hash[:8]):
+    print("[TRUE] checksum is valid!")
+else:
+    print("[FALSE] checksum is not valid!")