def sign(self, key):
"""Sign this transaction with a private key.
A potentially already existing signature would be overridden.
"""
rawhash = utils.sha3(rlp.encode(self, UnsignedTransaction))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, key)
self.sender = utils.privtoaddr(key)
return self
def sign(self, key):
"""Sign this transaction with a private key.
A potentially already existing signature would be overridden.
"""
rawhash = utils.sha3(rlp.encode(self, UnsignedTransaction))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, key)
self.sender = utils.privtoaddr(key)
return self
def sign(self, key):
"""Sign this transaction with a private key.
A potentially already existing signature would be overridden.
"""
if key in (0, '', '\x00' * 32):
raise InvalidTransaction("Zero privkey cannot sign")
rawhash = utils.sha3(rlp.encode(self, UnsignedTransaction))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, key)
self.sender = utils.privtoaddr(key)
return self
def sign(self, privkey):
"""Sign this with a private key"""
if self.v:
raise InvalidSignature("already signed")
if privkey in (0, '', '\x00' * 32):
raise InvalidSignature("Zero privkey cannot sign")
rawhash = sha3(rlp.encode(self, self.__class__.exclude(['v', 'r', 's'])))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, privkey)
self._sender = None
return self
def make_ticket(privkey, value):
value_enc = utils.zpad(utils.encode_int(value), 32)
h = utils.sha3(value_enc)
v, r, s = ecdsa_raw_sign(h, privkey)
return (value, v, r, s)
def ecdsa_sign(message, privkey):
s = _encode_sig(*ecdsa_raw_sign(message, privkey))
return s
def ecdsa_sign(message, privkey):
s = _encode_sig(*ecdsa_raw_sign(message, privkey))
return s
def make_ticket(privkey, value):
value_enc = utils.zpad(utils.encode_int(value), 32)
h = utils.sha3(value_enc)
v, r, s = ecdsa_raw_sign(h, privkey)
return (value, v, r, s)