def VerifyMessage(address, message, sig):
sig = base64.b64decode(sig)
hash = message.GetHash()
pubkey = CPubKey.recover_compact(hash, sig)
return str(P2PKHBitcoinAddress.from_pubkey(pubkey)) == str(address)
def is_valid(self):
mb = BitcoinMessage(self.message)
sig = base64.b64decode(self.sig)
message_hash = mb.GetHash()
#print("hash: %s" % message_hash.hex())
pubkey = CPubKey.recover_compact(message_hash, sig)
if not pubkey:
return False
#print("pubkey: %s" % pubkey.hex())
if pubkey.hex() == self.address:
return True
for txin_type in ['p2pkh', 'p2wpkh', 'p2wpkh-p2sh']:
addr = pubkey_to_address(txin_type, pubkey.hex())
if addr == str(self.address):
return True
return False
data = json.load(data_file)
pprint(data)
pprint(data['va'])
parts = data['va'].split('|')
pprint(parts)
msg = parts[0]
sig = parts[2]
pprint(sig)
sig = sig + "==="
pprint(sig)
sig = base64.b64decode(sig, '-_')
msg = BitcoinMessage(msg)
hash = msg.GetHash()
pubkey = CPubKey.recover_compact(hash, sig)
pprint(pubkey)
hex_bytes = binascii.hexlify(pubkey)
pprint(hex_bytes)
print('\n\n')
print('Address:')
print(data['ad'])
print('Pubkey:')
hex_str = hex_bytes.decode("ascii")
print(hex_str)