Python BtcTxStore.sign_data方法代码示例

# 需要导入模块: from btctxstore import BtcTxStore [as 别名]
# 或者: from btctxstore.BtcTxStore import sign_data [as 别名]
class TestSignData(unittest.TestCase):

    def setUp(self):
        self.api = BtcTxStore(dryrun=True, testnet=True)

    def test_sign_a(self):
        wif = fixtures["wallet"]["wif"]
        data = binascii.hexlify(b"testmessage")
        address = self.api.get_address(wif)
        sig = self.api.sign_data(wif, data)
        valid = self.api.verify_signature(address, sig, data)
        self.assertEqual(valid, True)

    def test_sign_b(self):
        wif = "cSuT2J14dYbe1zvB5z5WTXeRcMbj4tnoKssAK1ZQbnX5HtHfW3bi"
        data = binascii.hexlify(b"testmessage")
        address = self.api.get_address(wif)
        sig = self.api.sign_data(wif, data)
        valid = self.api.verify_signature(address, sig, data)
        self.assertEqual(valid, True)

# 需要导入模块: from btctxstore import BtcTxStore [as 别名]
# 或者: from btctxstore.BtcTxStore import sign_data [as 别名]
def sign(dict_obj, wif):  # FIXME use create instead
    assert(isinstance(dict_obj, OrderedDict))
    if "signature" in dict_obj:
        del dict_obj["signature"]

    if sys.version_info >= (3, 0, 0):
        msg = str(dict_obj).encode("ascii")
    else:
        msg = str(dict_obj)

    # assert("signature" not in msg)  # must be unsigned
    # todo: fix this

    api = BtcTxStore(testnet=False, dryrun=True)
    msg = binascii.hexlify(msg).decode("utf-8")
    sig = api.sign_data(wif, msg)

    if sys.version_info >= (3, 0, 0):
        dict_obj[u"signature"] = sig.decode("utf-8")
    else:
        dict_obj[u"signature"] = unicode(sig)

    return dict_obj

# 需要导入模块: from btctxstore import BtcTxStore [as 别名]
# 或者: from btctxstore.BtcTxStore import sign_data [as 别名]

#.........这里部分代码省略.........

            _log.debug("ACK")

    def save_contract(self, contract):
        # Record contract details.
        contract_id = self.contract_id(contract)
        self.contracts[contract_id] = contract

        return contract_id

    def send_msg(self, dict_obj, unl):
        node_id = self.net.unl.deconstruct(unl)["node_id"]
        msg = json.dumps(dict_obj, ensure_ascii=True)
        self.net.dht_node.direct_message(
            node_id,
            msg
        )

    def contract_id(self, contract):
        if sys.version_info >= (3, 0, 0):
            contract = str(contract).encode("ascii")
        else:
            contract = str(contract)

        return hashlib.sha256(contract).hexdigest()

    def sign_contract(self, contract):
        if sys.version_info >= (3, 0, 0):
            msg = str(contract).encode("ascii")
        else:
            msg = str(contract)

        msg = binascii.hexlify(msg).decode("utf-8")
        sig = self.wallet.sign_data(self.wif, msg)

        if sys.version_info >= (3, 0, 0):
            contract[u"signature"] = sig.decode("utf-8")
        else:
            contract[u"signature"] = unicode(sig)

        return contract

    def is_valid_contract_sig(self, contract):
        sig = contract[u"signature"][:]
        del contract[u"signature"]

        if sys.version_info >= (3, 0, 0):
            msg = str(contract).encode("ascii")
        else:
            msg = str(contract)

        msg = binascii.hexlify(msg).decode("utf-8")
        address = self.wallet.get_address(self.wif)

        ret = self.wallet.verify_signature(address, sig, msg)
        contract[u"signature"] = sig[:]

        return ret

    def simple_data_request(self, data_id, node_unl, direction):
        file_size = 0
        if direction == u"send":
            action = u"upload"
        else:
            action = u"download"

# 需要导入模块: from btctxstore import BtcTxStore [as 别名]
# 或者: from btctxstore.BtcTxStore import sign_data [as 别名]
# store data in blockchain as nulldata output (max 40bytes)
data = binascii.hexlify(b"example_data")
txid = api.store_nulldata(data, wifs)

# Show current transaction id
print("Current Transaction ID: {}".format(txid))


# Now, retrieve data based on transaction id
hexnulldata = api.retrieve_nulldata(txid)


print("Retrieved Data: {}".format(hexnulldata))

# create new private key
wif = api.create_key()  

 # get private key address
address = api.get_address(wif) 

 # hexlify messagetext
data = binascii.hexlify(b"messagetext")

# sign data with private key
signature = api.sign_data(wif, data)
print("signature:", signature)

# verify signature (no public or private key needed)
isvalid = api.verify_signature(address, signature, data)
print("valid signature" if isvalid else "invalid signature")