def createSend(
rpc: RPC,
inputs: List[Union[Claim, Send]],
to: bytes,
key: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)) -> Send:
pub: bytes = key.get_verifying_key().to_bytes()
actualInputs: List[Tuple[bytes, int]] = []
outputs: List[Tuple[bytes, int]] = [(to, 1)]
toSpend: int = 0
for txInput in inputs:
if isinstance(txInput, Claim):
actualInputs.append((txInput.hash, 0))
toSpend += txInput.amount
else:
for n in range(len(txInput.outputs)):
if txInput.outputs[n][0] == key.get_verifying_key().to_bytes():
actualInputs.append((txInput.hash, n))
toSpend += txInput.outputs[n][1]
if toSpend > 1:
outputs.append((pub, toSpend - 1))
send: Send = Send(actualInputs, outputs)
send.sign(key)
send.beat(SpamFilter(3))
if rpc.meros.liveTransaction(send) != rpc.meros.live.recv():
raise TestError("Meros didn't broadcast back a Send.")
return send
class EdDSA(KeyDto, IRemmeKeys):
"""
EdDSA (ed25519) class implementation.
References::
- https://github.com/warner/python-ed25519
"""
def __init__(self, private_key, public_key):
"""
Constructor for EdDSA key pair.
If only private key available then public key will be generate from private.
Args:
private_key (bytes): ed25519 private key
public_key (bytes, optional): ed25519 public key
"""
super(EdDSA, self).__init__()
if private_key and public_key:
self._private_key = private_key
self._public_key = public_key
self._private_key_obj = SigningKey(self._private_key)
self._public_key_obj = VerifyingKey(self._public_key)
elif private_key:
self._private_key = private_key
self._private_key_obj = SigningKey(self._private_key)
self._public_key_obj = self._private_key_obj.get_verifying_key()
self._public_key = self._public_key_obj.to_bytes()
elif public_key:
self._public_key = public_key
self._public_key_obj = VerifyingKey(self._public_key)
if self._private_key:
self._private_key_hex = self._private_key.hex()
self._public_key_hex = self._public_key.hex()
self._address = generate_address(
_family_name=RemmeFamilyName.PUBLIC_KEY.value,
_public_key_to=self._public_key,
)
self._key_type = KeyType.EdDSA
@staticmethod
def generate_key_pair(seed=None):
"""
Generate public and private key pair.
Args:
seed (bytes, optional): seed
Returns:
Generated key pair in bytes.
"""
if seed:
private_key_obj, public_key_obj = ed25519.SigningKey(seed), ed25519.VerifyingKey(seed)
return private_key_obj.to_bytes(), public_key_obj.to_bytes()
private_key_obj, public_key_obj = ed25519.create_keypair(entropy=os.urandom)
return private_key_obj.to_bytes(), public_key_obj.to_bytes()
@staticmethod
def get_address_from_public_key(public_key):
"""
Get address from public key.
Args:
public_key (bytes): public key in bytes
Returns:
Address in blockchain generated from public key string.
"""
return generate_address(RemmeFamilyName.PUBLIC_KEY.value, public_key)
def sign(self, data, rsa_signature_padding=None):
"""
Sign provided data with selected key implementation.
Args:
data (str): data string which will be signed
rsa_signature_padding (RsaSignaturePadding, optional): not used in EdDSA
Returns:
Hex string of signature.
"""
if self._private_key_obj is None:
raise Exception('Private key is not provided!')
if isinstance(data, str):
data = utf8_to_bytes(data)
return self._private_key_obj.sign(msg=hashlib.sha256(data).digest())
def verify(self, data, signature, rsa_signature_padding=None):
"""
Verify signature for selected key implementation.
Args:
data (str): data string which will be verified
signature (str): hex string of signature
rsa_signature_padding (RsaSignaturePadding, optional): not used in EdDSA
Returns:
Boolean ``True`` if signature is correct, or ``False`` if invalid.
"""
if isinstance(data, str):
data = utf8_to_bytes(data)
try:
self._public_key_obj.verify(
sig=signature,
msg=hashlib.sha256(data).digest(),
)
return True
except ed25519.BadSignatureError:
return False
def sign(self, priv: ed25519.SigningKey):
self.pubkey = priv.get_verifying_key()
self.signature = priv.sign(self.hash())
ERRORS = 0
UBIRCH_CLIENT = os.getenv("UBIRCH_CLIENT")
if UBIRCH_CLIENT and not UBIRCH_CLIENT.strip():
UBIRCH_CLIENT = None
UBIRCH_ENV = os.getenv("UBIRCH_ENV")
UBIRCH_AUTH = os.getenv("UBIRCH_AUTH")
# test UUID
uuid = UUID(hex=os.getenv('UBIRCH_DEVICE_UUID',
"00000000-0000-0000-0000-000000000000"))
sk = SigningKey(binascii.unhexlify(os.getenv('UBIRCH_PRIV_KEY')))
vk = sk.get_verifying_key()
logger.debug("UBIRCH_CLIENT = '{}'".format(UBIRCH_CLIENT))
logger.debug("UBIRCH_ENV = '{}'".format(UBIRCH_ENV))
logger.debug("UBIRCH_AUTH = '{}'".format(UBIRCH_AUTH))
logger.debug("UBIRCH_DEVICE_UUID = '{}'".format(uuid))
NAGIOS_OK = 0
NAGIOS_WARNING = 1
NAGIOS_ERROR = 2
NAGIOS_UNKNOWN = 3
def nagios(client, env, service, code, message="OK"):
global ERRORS
