def __init__(self,
api_net=MAIN_NET,
fees=0.0015,
private_key=None,
fee_token_name=None,
discount=0.5):
"""
Create new Switcheo exchange with url, fee rate and private key
:param api_net:
:param fees:
:param private_key:
"""
self.url = Switcheo._API_URL[api_net]
self.tokens = []
self.pairs = []
self.contracts = []
self.fees = fees
self.fee_token_name = fee_token_name
self.fee_token = None
self.key_pair = None
self.discount = discount
self.client = AuthenticatedClient(api_url=self.url)
if private_key:
try:
self.key_pair = KeyPair(bytes.fromhex(private_key))
except:
self.key_pair = None
print(
"No or incorrect private key. Equalizer changes to view only mode"
)
def test_long_private_key(self):
# Taken from the neo-python UserWallet test
priv_key = b'[\\\x8c\xdc\xb3/\x8e\'\x8e\x11\x1a\x0b\xf5\x8e\xbbF9\x88\x02K\xb4\xe2P\xaaC\x10\xb4\x02R\x03\x0b`\xdd\xc4\x99[\xac\x00)\x8b"s\x1d\xe7\xa8?\xa4\x9d\xed*\xce\xeai\xfa=\xd8r\x93p \xc8\xa9\xb6\xc6ad\xf6V\x9b#\xdfX\xc5Ltnv\x84%\x1a\x17e:K2\xf1\xb4JW\x03\xfd\xad\x94\x8eu]'
kp = KeyPair(priv_key)
expected_result = b'025b5c8cdcb32f8e278e111a0bf58ebb463988024bb4e250aa4310b40252030b60'
self.assertEqual(expected_result, kp.PublicKey.encode_point(True))
def create_wallet():
private_key = bytes(Random.get_random_bytes(32))
keypair = KeyPair(priv_key=private_key)
return {
"private_key": keypair.Export(),
"address": keypair.GetAddress()
}
def test_sign_and_verify(self):
privkey = KeyPair.PrivateKeyFromWIF(
"L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP")
keypair = KeyPair(privkey)
hashdata = b'aabbcc'
keypair_signature = Crypto.Sign(hashdata, bytes(keypair.PrivateKey))
keypair_signature2 = Crypto.Default().Sign(hashdata,
bytes(keypair.PrivateKey))
self.assertEqual(keypair_signature, keypair_signature2)
verification_result = Crypto.VerifySignature(hashdata.decode('utf8'),
keypair_signature,
keypair.PublicKey)
verification_result2 = Crypto.Default().VerifySignature(
hashdata.decode('utf8'), keypair_signature, keypair.PublicKey)
self.assertEqual(verification_result, verification_result2)
self.assertTrue(verification_result)
# verify with compressed key
verification_result3 = Crypto.VerifySignature(
hashdata.decode('utf8'), keypair_signature,
binascii.unhexlify(keypair.PublicKey.encode_point(True)))
self.assertTrue(verification_result3)
# this should fail because the signature will not match the input data
verification_result = Crypto.VerifySignature(b'aabb',
keypair_signature,
keypair.PublicKey)
self.assertFalse(verification_result)
def test_fail_to_determine_plublic_key(self, patched_priv_to_pubkey):
# https://github.com/vbuterin/pybitcointools/blob/aeb0a2bbb8bbfe421432d776c649650eaeb882a5/bitcoin/main.py#L291
patched_priv_to_pubkey.side_effect = Exception("Invalid privkey")
with self.assertRaises(Exception) as context:
KeyPair(bytes(32 * 'A', 'utf8'))
self.assertEqual('Could not determine public key',
str(context.exception))
def test_should_export_valid_wif_key(self):
kp = KeyPair(
binascii.unhexlify(
"cbf4b9f70470856bb4f40f80b87edb90865997ffee6df315ab166d713af433a5"
))
wif = kp.Export()
self.assertEqual(
wif, "L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP")
def test_should_throw_error_on_too_short_passphrase(self):
kp = KeyPair(
binascii.unhexlify(
"cbf4b9f70470856bb4f40f80b87edb90865997ffee6df315ab166d713af433a5"
))
with self.assertRaises(ValueError) as context:
kp.ExportNEP2("x")
self.assertIn('Passphrase must have a minimum', str(context.exception))
def test_should_export_valid_nep2_key(self):
kp = KeyPair(
binascii.unhexlify(
"cbf4b9f70470856bb4f40f80b87edb90865997ffee6df315ab166d713af433a5"
))
nep2_key = kp.ExportNEP2("TestingOneTwoThree")
self.assertEqual(
nep2_key,
"6PYVPVe1fQznphjbUxXP9KZJqPMVnVwCx5s5pr5axRJ8uHkMtZg97eT5kL")
def test_publickey_to_scripthash(self):
expected_scripthash = binascii.unhexlify(
'79ecf967a02f9bdbd147fc97b18efd7877d27f78')
priv_key = KeyPair.PrivateKeyFromWIF(
'L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP')
kp = KeyPair(priv_key=priv_key)
pub_bytes = kp.PublicKey.encode_point(True)
result = Helper.pubkey_to_pubhash(pub_bytes)
self.assertEqual(result, expected_scripthash)
def get_private_key_from_wif(wif):
"""Fetch the private key from a wif represented in string format.
Args:
wif (str) : wif from which we need to extract the private key
Returns:
private key in bytearray format
"""
pk = KeyPair.PrivateKeyFromWIF(wif)
return KeyPair(pk).PrivateKey
def test_neon_sig(self):
key = KeyPair(priv_key=self.nmpk)
hhex = hashlib.sha256(binascii.unhexlify(self.nmsg)).hexdigest()
self.assertEqual(hhex, self.hashhex)
sig = Crypto.Sign(self.nmsg, key.PrivateKey)
self.assertEqual(sig.hex(), self.neon_sig)
def test_should_export_valid_nep2_key_with_emoji_pwd(self):
pwd = "hellö♥️"
privkey = "03eb20a711f93c04459000c62cc235f9e9da82382206b812b07fd2f81779aa42"
# expected outputs
target_address = "AXQUduANGZF4e7wDazVAtyRLHwMounaUMA"
target_encrypted_key = "6PYWdv8bP9vbfGsNnjzDawCoXCYpk4rnWG8xTZrvdzx6FjB6jv4H9MM586"
kp = KeyPair(binascii.unhexlify(privkey))
nep2_key = kp.ExportNEP2(pwd)
self.assertEqual(nep2_key, target_encrypted_key)
self.assertEqual(kp.GetAddress(), target_address)
def nep2_to_wallet(NEP2, passphrase):
private_key = KeyPair.PrivateKeyFromNEP2(NEP2, passphrase)
keypair = KeyPair(priv_key=private_key)
public_key = keypair.PublicKey.encode_point(True)
address = keypair.GetAddress()
script_hash = address_to_scripthash(address)
return {
"private_key": keypair.Export(),
"address": address,
"script_hash": "0x{}".format(script_hash[::-1].hex()),
"public_key": public_key.decode("utf-8")
}
def create_wallet():
private_key = bytes(Random.get_random_bytes(32))
keypair = KeyPair(priv_key=private_key)
public_key = keypair.PublicKey.encode_point(True)
address = keypair.GetAddress()
script_hash = address_to_scripthash(address)
return {
"private_key": keypair.Export(),
"address": address,
"script_hash": "0x{}".format(script_hash[::-1].hex()),
"public_key": public_key.decode("utf-8")
}
def test_b(self):
key = KeyPair(priv_key=self.pk)
contract = Contract.CreateSignatureContract(key.PublicKey)
self.assertEqual(binascii.unhexlify(contract.Script), self.contract_script)
self.assertEqual(contract.ScriptHash.ToBytes(), self.contract_script_hash)
self.assertEqual(contract.Address, self.contract_address)
self.assertEqual(contract.PublicKeyHash, key.PublicKeyHash)
self.assertEqual(contract.PublicKeyHash.ToBytes(), self.pubkeyhash)
def get_script_hash_from_wif(wif):
"""Fetch the script hash of the public key from a wif represented in string format.
Args:
wif (str) : wif from which we need to extract the public key script hash
Returns:
public key script hash in string format
"""
pk = KeyPair.PrivateKeyFromWIF(wif)
keypair = KeyPair(pk)
logger.debug("Public Address is {}".format(keypair.GetAddress()))
return get_script_hash_from_address(keypair.GetAddress())
def new_wallet(self, request):
request.setHeader('Content-Type', 'application/json')
private_key = bytes(Random.get_random_bytes(32))
key = KeyPair(priv_key=private_key)
return json.dumps(
{
'public_key': str(key.PublicKey.encode_point(True), 'utf-8'),
'public_key_hash': key.PublicKeyHash.ToString(),
'private_key': key.PrivateKey.hex(),
'wif': key.Export(),
'address': key.GetAddress()
},
indent=4,
sort_keys=True)
def CreateKey(self, private_key=None):
"""
Create a KeyPair
Args:
private_key (iterable_of_ints): (optional) 32 byte private key
Returns:
KeyPair: a KeyPair instance
"""
if private_key is None:
private_key = bytes(Random.get_random_bytes(32))
key = KeyPair(priv_key=private_key)
self._keys[key.PublicKeyHash.ToBytes()] = key
return key
def test_c(self):
key = KeyPair(priv_key=self.decrypted_pk)
self.assertEqual(key.PublicKey.x, self.pubkey_x)
self.assertEqual(key.PublicKey.y, self.pubkey_y)
self.assertEqual(key.PublicKey.encode_point(True), self.pubkey_encoded)
self.assertEqual(key.PublicKey.encode_point(False), self.pubkey_not_comp)
self.assertIsInstance(key.PublicKeyHash, UInt160)
self.assertEqual(key.PublicKeyHash.ToBytes(), self.pubkeyhash)
self.assertEqual(key.Export(), self.wif)
private_key_from_wif = KeyPair.PrivateKeyFromWIF(self.wif)
self.assertEqual(private_key_from_wif, self.pk)
def test_publickey_to_redeemscript_to_scripthash_to_address(self):
# NEP 2 testvector
expected_redeemscript = binascii.unhexlify(
'21026241e7e26b38bb7154b8ad49458b97fb1c4797443dc921c5ca5774f511a2bbfcac'
)
expected_scripthash = binascii.unhexlify(
'79ecf967a02f9bdbd147fc97b18efd7877d27f78')
expected_address = 'AStZHy8E6StCqYQbzMqi4poH7YNDHQKxvt'
priv_key = KeyPair.PrivateKeyFromWIF(
'L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP')
kp = KeyPair(priv_key=priv_key)
pub_bytes = kp.PublicKey.encode_point(True)
redeemscript = Helper.pubkey_to_redeem(pub_bytes)
scripthash = Helper.redeem_to_scripthash(redeemscript)
address = Helper.scripthash_to_address(scripthash)
self.assertEqual(redeemscript, expected_redeemscript)
self.assertEqual(scripthash, expected_scripthash)
self.assertEqual(address, expected_address)
def SendBlog(wallet, tx, fee=Fixed8.Zero(), from_addr=None, privatekey=None):
wallet_tx = wallet.MakeTransaction(tx=tx,
fee=fee,
use_standard=False,
from_addr=from_addr)
# wallet_tx = tx
if wallet_tx:
context = ContractParametersContext(wallet_tx)
if privatekey != None:
prikey = KeyPair.PrivateKeyFromWIF(privatekey)
kp = KeyPair(prikey)
wallet.Sign(context, kp)
else:
wallet.Sign(context)
if context.Completed:
wallet_tx.scripts = context.GetScripts()
relayed = False
# print("SENDING TX: %s " % json.dumps(wallet_tx.ToJson(), indent=4))
relayed = NodeLeader.Instance().Relay(wallet_tx)
print("Tx: %s " % wallet_tx.ToJson())
if relayed:
print("Relayed Tx: %s " % wallet_tx.Hash.ToString())
wallet.SaveTransaction(wallet_tx)
return wallet_tx
else:
print("Could not relay tx %s " % wallet_tx.Hash.ToString())
else:
print("Incomplete signature")
else:
print("Insufficient funds")
return False
def get_data_from_wif(self, request, wif):
request.setHeader('Content-Type', 'application/json')
try:
print("get_data_from_wif ", wif)
private_key = KeyPair.PrivateKeyFromWIF(wif)
key = KeyPair(priv_key=private_key)
return json.dumps(
{
'public_key': str(key.PublicKey.encode_point(True),
'utf-8'),
'public_key_hash': key.PublicKeyHash.ToString(),
'private_key': key.PrivateKey.hex(),
'wif': key.Export(),
'address': key.GetAddress()
},
indent=4,
sort_keys=True)
except Exception as e:
return self.format_message(
"Error: Could not get data from wif %s " % (wif))
return self.format_message("Could not get data from wif %s " % (wif))
def test_get_contains_key_should_not_be_found(self):
wallet = Wallet("fakepath", to_aes_key("123"), True)
wallet.CreateKey()
keypair = KeyPair(priv_key=self.pk)
self.assertFalse(wallet.ContainsKey(keypair.PublicKey))
import unittest
from switcheo.neo.utils import create_offer_hash, encode_message, to_neo_asset_amount, private_key_to_hex, open_wallet,\
neo_get_scripthash_from_address, neo_get_address_from_scripthash, neo_get_scripthash_from_private_key,\
neo_get_public_key_from_private_key, sign_message, sign_transaction, sign_txn_array
from neocore.KeyPair import KeyPair
testnet_privatekey = b'p\xf6B\x89K\xc7=\xc5\x00\x13\xbem\x1d\xbe\x19\x8fC#~\xaf\x94X\xd1\x93\xc0\xb4\x16\xc58]\x97\x17'
kp = KeyPair(priv_key=testnet_privatekey)
testnet_privatekey_hexstring = '70f642894bc73dc50013be6d1dbe198f43237eaf9458d193c0b416c5385d9717'
testnet_scripthash = 'fea2b883725ef2d194c9060f606cd0a0468a2c59'
testnet_scripthash_uint160 = neo_get_scripthash_from_private_key(private_key=testnet_privatekey)
testnet_address = 'APuP9GsSCPJKrexPe49afDV8CQYubZGWd8'
testnet_publickey = '303231353534363535356234326164643737343933636332316462356461396639376163646666343966346433653739633239666363303361303661356539373662'
message = 'This is a test.'
encoded_message = '010001f0112254686973206973206120746573742e220000'
json_message = {"name": "John Smith", "age": 27, "siblings": ["Jane", "Joe"]}
json_encoded_message = '010001f0387b22616765223a32372c226e616d65223a224a6f686e20536d697468222c227369626c696e6773223a5b224a616e65222c224a6f65225d7d0000'
transaction_dict = {'hash': '72b74c96b9174e9b9e1b216f7e8f21a6475e6541876a62614df7c1998c6e8376',
'sha256': '2109cbb5eea67a06f5dd8663e10fcd1128e28df5721a25d993e05fe2097c34f3',
'type': 209,
'version': 1,
'attributes': [{'usage': 32, 'data': '592c8a46a0d06c600f06c994d1f25e7283b8a2fe'}],
'inputs': [{'prevHash': 'f09b3b697c580d1730cd360da5e1f0beeae00827eb2f0055cbc85a5a4dadd8ea', 'prevIndex': 0},
{'prevHash': 'c858e4d2af1e1525fa974fb2b1678caca1f81a5056513f922789594939ff713d', 'prevIndex': 31}],
'outputs': [{'assetId': '602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7', 'scriptHash': 'e707714512577b42f9a011f8b870625429f93573', 'value': 1e-08}],
'scripts': [],
'script': '0800e1f505000000001432e125258b7db0a0dffde5bd03b2b859253538ab14592c8a46a0d06c600f06c994d1f25e7283b8a2fe53c1076465706f73697467823b63e7c70a795a7615a38d1ba67d9e54c195a1',
'gas': 0}
def privtKey_to_publicKey(privtKey):
pk = binascii.unhexlify(privtKey)
keypair = KeyPair(pk)
vk = keypair.PublicKey.encode_point(True).decode()
return vk
def test_should_return_valid_address(self):
kp = KeyPair(
binascii.unhexlify(
"cbf4b9f70470856bb4f40f80b87edb90865997ffee6df315ab166d713af433a5"
))
self.assertEqual(kp.GetAddress(), "AStZHy8E6StCqYQbzMqi4poH7YNDHQKxvt")
def test_wrong_private_key_length(self):
priv_key = b'\xDE\xAD\xBE\xEF'
with self.assertRaises(ValueError) as context:
KeyPair(priv_key)
self.assertEqual('Invalid private key', str(context.exception))
def neo_get_public_key_from_private_key(private_key):
kp = KeyPair(priv_key=private_key)
return kp.PublicKey
def open_wallet(private_key):
pk = bytes.fromhex(private_key)
return KeyPair(priv_key=pk)
def main():
parser = argparse.ArgumentParser(
description=
'A utility for signing messages. Example usage: "like "neosign mymessage -n"'
)
parser.add_argument('message',
type=str,
nargs='?',
default=None,
help='The message in hex string format to be signed')
parser.add_argument(
'-n',
'--nep2',
action='store_true',
help="Whether to use an NEP2 passhrase rather than a wallet")
parser.add_argument('-w',
'--wif',
type=str,
default=None,
help='If using a wif pass in the wif')
parser.add_argument('-i',
'--input',
type=str,
default=None,
help='Pass in file with signable contents')
args = parser.parse_args()
try:
to_sign = None
if args.message:
to_sign = args.message
elif args.input:
f = open(args.input, 'r')
to_sign = f.read()
regex = re.compile(r'\s+')
to_sign = regex.sub('', to_sign)
if args.nep2:
nep2_key = prompt('[nep2 key]> ', is_password=True)
nep2_passwd = prompt("[nep2 key password]> ", is_password=True)
prikey = KeyPair.PrivateKeyFromNEP2(nep2_key, nep2_passwd)
keypair = KeyPair(priv_key=prikey)
address = addr_from_pubkey(keypair.PublicKey)
print("Signing With Address %s " % address)
signature = Crypto.Sign(to_sign, prikey)
pubkey = keypair.PublicKey.encode_point().decode('utf-8')
signature = signature.hex()
print("pubkey, sig: %s %s " % (pubkey, signature))
elif args.wif:
prikey = KeyPair.PrivateKeyFromWIF(args.wif)
keypair = KeyPair(priv_key=prikey)
address = addr_from_pubkey(keypair.PublicKey)
print("Signing With Address %s " % address)
signature = Crypto.Sign(to_sign, prikey)
pubkey = keypair.PublicKey.encode_point().decode('utf-8')
signature = signature.hex()
print("pubkey, sig: %s %s " % (pubkey, signature))
else:
raise Exception("Please Specify -n or -w")
except Exception as e:
print("Could not sign: %s " % e)