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 parse_secret(self, txid):
raw = self.zcashd.gettransaction(txid, True)['hex']
decoded = self.zcashd.decoderawtransaction(raw)
scriptSig = decoded['vin'][0]['scriptSig']
asm = scriptSig['asm'].split(" ")
pubkey = asm[1]
secret = x2s(asm[2])
redeemPubkey = P2PKHBitcoinAddress.from_pubkey(x(pubkey))
return secret
def parse_secret(txid):
raw = zcashd.gettransaction(txid)['hex']
# print("Raw", raw)
decoded = zcashd.decoderawtransaction(raw)
scriptSig = decoded['vin'][0]['scriptSig']
print("Decoded", scriptSig)
asm = scriptSig['asm'].split(" ")
pubkey = asm[1]
secret = hex2str(asm[2])
redeemPubkey = P2PKHBitcoinAddress.from_pubkey(x(pubkey))
print('redeemPubkey', redeemPubkey)
print(secret)
return secret
def find_recipient(self, contract):
# make this dependent on actual fund tx to p2sh, not contract
txid = contract.fund_tx
raw = self.zcashd.gettransaction(lx(txid), True)['hex']
decoded = self.zcashd.decoderawtransaction(raw)
scriptSig = decoded['vin'][0]['scriptSig']
print("Decoded", scriptSig)
asm = scriptSig['asm'].split(" ")
pubkey = asm[1]
initiator = CBitcoinAddress(contract.initiator)
fulfiller = CBitcoinAddress(contract.fulfiller)
print("Initiator", b2x(initiator))
print("Fulfiller", b2x(fulfiller))
print('pubkey', pubkey)
redeemPubkey = P2PKHBitcoinAddress.from_pubkey(x(pubkey))
print('redeemPubkey', redeemPubkey)
# This file is part of python-bitcoinlib.
#
# It is subject to the license terms in the LICENSE file found in the top-level
# directory of this distribution.
#
# No part of python-bitcoinlib, including this file, may be copied, modified,
# propagated, or distributed except according to the terms contained in the
# LICENSE file.
from __future__ import absolute_import, division, print_function, unicode_literals
from zcash.wallet import CBitcoinSecret, P2PKHBitcoinAddress
from zcash.signmessage import BitcoinMessage, VerifyMessage, SignMessage
key = CBitcoinSecret("L4vB5fomsK8L95wQ7GFzvErYGht49JsCPJyJMHpB4xGM6xgi2jvG")
address = P2PKHBitcoinAddress.from_pubkey(
key.pub) # "1F26pNMrywyZJdr22jErtKcjF8R3Ttt55G"
message = "Hey I just met you, and this is crazy, but I'll verify my address, maybe ..."
message = BitcoinMessage(message)
signature = SignMessage(key, message)
print(key, address)
print("Address: %s" % address)
print("Message: %s" % message)
print("\nSignature: %s" % signature)
print("\nVerified: %s" % VerifyMessage(address, message, signature))
print("\nTo verify using zcash core;")
print("`bitcoin-cli verifymessage %s \"%s\" \"%s\"`" %
(address, signature.decode('ascii'), message))
