def segwit_sign(tx,
i,
priv,
amount,
hashcode=SIGHASH_ALL,
script=None,
separator_index=None):
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if not isinstance(tx, dict) and ((not is_python2 and isinstance(re, bytes))
or not re.match('^[0-9a-fA-F]*$', tx)):
return binascii.unhexlify(sign(binascii.hexlify(tx), i, priv))
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = privkey_to_pubkey(priv)
address = pubkey_to_address(pub)
wscript = mk_pubkey_script(address) if not script else script
stripped_script = segwit_strip_script_separator(wscript, separator_index)
signing_tx = segwit_signature_form(tx,
i,
stripped_script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub if not script else script]
return serialize(txobj)
def segwit_multisign(tx, i, script, pk, amount, hashcode=SIGHASH_ALL, separator_index=None):
wscript = segwit_strip_script_separator(script, index=separator_index)
signing_tx = segwit_signature_form(tx, i, wscript, amount, hashcode=hashcode)
rawsig = ecdsa_raw_sign(hashlib.sha256(hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), pk)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
return sig
def generate_feed(block_number, nonce, ask_for_1000, bid_for_1000,
private_key):
hexX = h2b("%0.64X" % block_number)
hexY = h2b("%0.64X" % nonce)
hexZ = h2b("%0.64X" % ask_for_1000)
hexW = h2b("%0.64X" % bid_for_1000)
msg = hexX + hexY + hexZ + hexW
msghash = b2h(utils.sha3(msg))
V, R, S = bitcoin.ecdsa_raw_sign(msghash, private_key)
# print("V R S")
R = utils.int_to_hex(R)
S = utils.int_to_hex(S)
# print("0x%x" % V, R, S)
dic = {}
dic['status'] = "success"
data = {}
data['block_number'] = block_number
data['nonce'] = nonce
data['bid_for_1000'] = bid_for_1000
data['ask_for_1000'] = ask_for_1000
data['message'] = "0x" + b2h(msg)
data['hash'] = "0x" + msghash
data['signer'] = "0x" + b2h(utils.privtoaddr(private_key))
data['v'] = V
data['r'] = R
data['s'] = S
dic['data'] = data
print(json.dumps(dic, indent=4, sort_keys=True))
def test_valid_sigs(setup_ecc):
for v in vectors['vectors']:
msg = v['msg']
sig = v['sig']
priv = v['privkey']
assert sig == btc.ecdsa_raw_sign(msg, priv, True, rawmsg=True) + '01'
#check that the signature verifies against the key(pair)
pubkey = btc.privtopub(priv)
assert btc.ecdsa_raw_verify(msg, pubkey, sig[:-2], True, rawmsg=True)
#check that it fails to verify against corrupted signatures
for i in [0, 1, 2, 4, 7, 25, 55]:
#corrupt one byte
binsig = binascii.unhexlify(sig)
checksig = binascii.hexlify(binsig[:i] +
chr((ord(binsig[i]) + 1) % 256) +
binsig[i + 1:-1])
#this kind of corruption will sometimes lead to an assert
#failure (if the DER format is corrupted) and sometimes lead
#to a signature verification failure.
try:
res = btc.ecdsa_raw_verify(msg,
pubkey,
checksig,
True,
rawmsg=True)
except:
continue
assert res == False
def sign_btc(msghash, priv, pub):
V, R, S = bitcoin.ecdsa_raw_sign(msghash, priv)
assert bitcoin.ecdsa_raw_verify(msghash, (V, R, S), pub)
Q = bitcoin.ecdsa_raw_recover(msghash, (V, R, S))
assert addr == bitcoin.encode_pubkey(
Q, 'hex_compressed') if V >= 31 else bitcoin.encode_pubkey(Q, 'hex')
return (V, R, S)
def sign_tx(raw_tx, index, privkey, version_byte, hashcode, redem=""):
if (py_version == 3 and isinstance(
re, bytes)) or not re.match('^[0-9a-fA-F]*$', raw_tx):
raw_tx = safe_hexlify(raw_tx)
return binascii.unhexlify(sign_tx(raw_tx, index, privkey, hashcode))
if version_byte in version_dict["pubkeyhash"].values():
pubkey = privkey_to_pubkey(privkey)
signing_tx = sign_form(raw_tx, index,
mk_pkscript(version_byte, hash160(pubkey)),
hashcode)
elif version_byte in version_dict["scripthash"].values():
assert redem != "", "Empty string found in parameter redem ."
signing_tx = sign_form(raw_tx, index, redem, hashcode)
else:
raise ValueError("Unknown version_byte: '%s' ." % version_byte)
rawsig = ecdsa_raw_sign(bytes.fromhex(txhash(signing_tx, hashcode)),
privkey)
sig = der_encode_sig(*rawsig) + dec2byte(hashcode, 1, mode="big-endian")
json_tx = raw2json(raw_tx)
if version_byte in version_dict["pubkeyhash"].values():
json_tx["vin"][index]["scriptSig"]["hex"] = call_len(
len(sig)) + sig + call_len(len(pubkey)) + pubkey
elif version_byte in version_dict["scripthash"].values():
json_tx["vin"][index]["scriptSig"]["hex"] = deal_sig(
json_tx["vin"][index]["scriptSig"]["hex"], sig, redem, privkey)
else:
raise ValueError("Unknown version_byte: '%s' ." % version_byte)
return json2raw(json_tx)
def sign_raw_data( raw_data, privatekey ): """ Sign a string of data. Return a base64-encoded signature. """ data_hash = get_data_hash( raw_data ) data_sig_bin = pybitcointools.ecdsa_raw_sign( data_hash, privatekey ) return pybitcointools.encode_sig( data_sig_bin[0], data_sig_bin[1], data_sig_bin[2] )
def sign_raw_data( raw_data, privatekey ): """ Sign a string of data. Return a base64-encoded signature. """ data_hash = get_data_hash( raw_data ) data_sig_bin = pybitcointools.ecdsa_raw_sign( data_hash, privatekey ) return pybitcointools.encode_sig( data_sig_bin[0], data_sig_bin[1], data_sig_bin[2] )
def ecdsa_sign_bin(msgbin, priv):
v, r, s = ecdsa_raw_sign(msgbin, priv)
sig = encode_sig(v, r, s)
pubkey = privkey_to_pubkey(wif_to_privkey(priv))
ok = ecdsa_raw_verify(msgbin, decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def make_tx_signatures(txs_to_sign, privkey, pubkey):
signatures = []
public = []
for tx_to_sign in txs_to_sign:
sig = der_encode_sig(
*ecdsa_raw_sign(tx_to_sign.rstrip(' \t\r\n\0'), privkey))
signatures.append(sig)
public.append(pubkey)
return signatures, public
def ecdsa_sign(msg: str, wif_priv_key: str, dash_network: str):
"""Signs a message with the Elliptic Curve algorithm."""
v, r, s = bitcoin.ecdsa_raw_sign(electrum_sig_hash(msg), wif_priv_key)
sig = bitcoin.encode_sig(v, r, s)
pubkey = bitcoin.privkey_to_pubkey(wif_to_privkey(wif_priv_key, dash_network))
ok = bitcoin.ecdsa_raw_verify(electrum_sig_hash(msg), bitcoin.decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def sign(cls, message, private_key):
"""
Args:
message (string): message to sign
private_key (string): private_key
"""
v, r, s = bitcoin.ecdsa_raw_sign(message.encode(),
private_key.encode())
return [v, r, s]
def ecdsa_sign(msg, priv):
"""
Based on project: https://github.com/chaeplin/dashmnb.
"""
v, r, s = ecdsa_raw_sign(electrum_sig_hash(msg), priv)
sig = encode_sig(v, r, s)
pubkey = privkey_to_pubkey(wif_to_privkey(priv))
ok = ecdsa_raw_verify(electrum_sig_hash(msg), decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def ecdsa_sign_raw(msg_raw: bytes, wif_priv_key: str, dash_network: str):
"""Signs raw bytes (a message hash) with the Elliptic Curve algorithm.
"""
v, r, s = bitcoin.ecdsa_raw_sign(msg_raw, wif_priv_key)
sig = bitcoin.encode_sig(v, r, s)
pubkey = bitcoin.privkey_to_pubkey(wif_to_privkey(wif_priv_key, dash_network))
ok = bitcoin.ecdsa_raw_verify(msg_raw, bitcoin.decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def test_ecrecover(self):
priv = b.sha256('some big long brainwallet password')
pub = b.privtopub(priv)
msghash = b.sha256('the quick brown fox jumps over the lazy dog')
V, R, S = b.ecdsa_raw_sign(msghash, priv)
assert b.ecdsa_raw_verify(msghash, (V, R, S), pub)
addr = utils.sha3(b.encode_pubkey(pub, 'bin')[1:])[12:]
assert utils.privtoaddr(priv) == addr
result = self.c.test_ecrecover(utils.big_endian_to_int(msghash.decode('hex')), V, R, S)
assert result == utils.big_endian_to_int(addr)
def ecdsa_sign(msg, priv):
"""
Based on project: https://github.com/chaeplin/dashmnb with some changes related to usage of bitcoin library.
"""
v, r, s = bitcoin.ecdsa_raw_sign(electrum_sig_hash(msg), priv)
sig = bitcoin.encode_sig(v, r, s)
pubkey = bitcoin.privkey_to_pubkey(wif_to_privkey(priv))
ok = bitcoin.ecdsa_raw_verify(electrum_sig_hash(msg),
bitcoin.decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def ecsign(rawhash, key):
if secp256k1 and hasattr(secp256k1, 'PrivateKey'):
pk = secp256k1.PrivateKey(key, raw=True)
signature = pk.ecdsa_recoverable_serialize(
pk.ecdsa_sign_recoverable(rawhash, raw=True)
)
signature = signature[0] + bytearray_to_bytestr([signature[1]])
v = safe_ord(signature[64]) + 27
r = big_endian_to_int(signature[0:32])
s = big_endian_to_int(signature[32:64])
else:
v, r, s = ecdsa_raw_sign(rawhash, key)
return v, r, s
def test_ecrecover(self):
priv = b.sha256('some big long brainwallet password')
pub = b.privtopub(priv)
msghash = b.sha256('the quick brown fox jumps over the lazy dog')
V, R, S = b.ecdsa_raw_sign(msghash, priv)
assert b.ecdsa_raw_verify(msghash, (V, R, S), pub)
addr = utils.sha3(b.encode_pubkey(pub, 'bin')[1:])[12:]
assert utils.privtoaddr(priv) == addr
result = self.c.test_ecrecover(
utils.big_endian_to_int(msghash.decode('hex')), V, R, S)
assert result == utils.big_endian_to_int(addr)
def Sign(message, private_key, public_key):
Crypto.SetupSignatureCurve()
hash = hashlib.sha256(binascii.unhexlify(message)).hexdigest()
v, r, s = bitcoin.ecdsa_raw_sign(hash, private_key)
rb = bytearray(r.to_bytes(32, 'big'))
sb = bytearray(s.to_bytes(32, 'big'))
sig = rb + sb
return sig
def ecdsa_sign(msg: str, wif_priv_key: str, dash_network: str):
"""Signs a message with the Elliptic Curve algorithm.
Note: Dash core uses uncompressed public keys, so if the private key passed as an argument
is of compressed format, convert it to an uncompressed
"""
# wif_priv_key = wif_privkey_to_uncompressed(wif_priv_key)
v, r, s = bitcoin.ecdsa_raw_sign(electrum_sig_hash(msg), wif_priv_key)
sig = bitcoin.encode_sig(v, r, s)
pubkey = bitcoin.privkey_to_pubkey(wif_to_privkey(wif_priv_key, dash_network))
ok = bitcoin.ecdsa_raw_verify(electrum_sig_hash(msg), bitcoin.decode_sig(sig), pubkey)
if not ok:
raise Exception('Bad signature!')
return sig
def test_ecdsa(self):
# Verifies that a random sample of freshly generated keys don't
# end up setting the 'flag' bit which replaces 'v'
# If this test ever fails, the entire premise of this thing is f****d!
for _ in range(0, 100):
messageHash = randb256()
seckey = randb256()
pubkey = pubkey_to_ethaddr(b.privtopub(seckey))
sig_t = b.ecdsa_raw_sign(messageHash, seckey)
sig = sign(messageHash, seckey)
assert unpack_signature(*sig) == sig_t
pubkey_v = recover(messageHash, *sig)
assert pubkey == pubkey_v
def test_ecrecover():
s = tester.state()
c = s.abi_contract(ecrecover_code)
priv = encode_hex(utils.sha3('some big long brainwallet password'))
pub = bitcoin.privtopub(priv)
msghash = encode_hex(utils.sha3('the quick brown fox jumps over the lazy dog'))
V, R, S = bitcoin.ecdsa_raw_sign(msghash, priv)
assert bitcoin.ecdsa_raw_verify(msghash, (V, R, S), pub)
addr = utils.big_endian_to_int(utils.sha3(bitcoin.encode_pubkey(pub, 'bin')[1:])[12:])
assert utils.big_endian_to_int(utils.privtoaddr(priv)) == addr
result = c.test_ecrecover(utils.big_endian_to_int(decode_hex(msghash)), V, R, S)
assert result == addr
def spend(self, owner):
assert isinstance(owner, (str, bytes))
assert len(owner) == 20
# Sign it, so it can be accepted by an address
messageHash = utils.sha3(owner + self._pubkey)
V, R, S = b.ecdsa_raw_sign(messageHash, self._seckey)
recoveredPublicKey = b.ecdsa_raw_recover(messageHash, (V, R, S))
assert b.pubtoaddr(recoveredPublicKey) == b.privtoaddr(self._seckey)
# Correctly encoded
return ", ".join([
"\"0x%s\"" % (hexlify(self._pubkey), ),
"%d" % (V, ),
"\"0x%064X\"" % (R, ),
"\"0x%064X\"" % (S, ),
])
def sign(sk, data):
"""
Sign some data with a secret key.
"""
payload = data or {}
token = []
payload['created'] = _utc_timestamp()
encodedPayload = encode64(json.dumps(payload))
token.append(encodedPayload)
hash = sha256(encodedPayload)
v, r, s = ecdsa_raw_sign(hash, sk)
sigObj = {'v': v, 'r': to_hex(r), 's': to_hex(s)}
encodedSignature = encode64(json.dumps(sigObj))
token.append(encodedSignature)
return '.'.join(token)
def test_ecrecover():
s = tester.state()
c = s.abi_contract(ecrecover_code)
priv = encode_hex(utils.sha3('some big long brainwallet password'))
pub = bitcoin.privtopub(priv)
msghash = encode_hex(utils.sha3('the quick brown fox jumps over the lazy dog'))
V, R, S = bitcoin.ecdsa_raw_sign(msghash, priv)
assert bitcoin.ecdsa_raw_verify(msghash, (V, R, S), pub)
addr = utils.big_endian_to_int(utils.sha3(bitcoin.encode_pubkey(pub, 'bin')[1:])[12:])
assert utils.big_endian_to_int(utils.privtoaddr(priv)) == addr
result = c.test_ecrecover(utils.big_endian_to_int(decode_hex(msghash)), V, R, S)
assert result == addr
def segwit_sign(tx, i, priv, amount, hashcode=SIGHASH_ALL, script=None, separator_index=None):
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if not isinstance(tx, dict) and ((not is_python2 and isinstance(re, bytes)) or not re.match('^[0-9a-fA-F]*$', tx)):
return binascii.unhexlify(sign(binascii.hexlify(tx), i, priv))
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = privkey_to_pubkey(priv)
address = pubkey_to_address(pub)
wscript = mk_pubkey_script(address) if not script else script
stripped_script = segwit_strip_script_separator(wscript, separator_index)
signing_tx = segwit_signature_form(tx, i, stripped_script, amount, hashcode=hashcode)
rawsig = ecdsa_raw_sign(hashlib.sha256(hashlib.sha256(binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub if not script else script]
return serialize(txobj)
def bech32_multisign(tx, i, priv, amount, script, hashcode=SIGHASH_ALL):
from bitcoin import segwit_signature_form, ecdsa_raw_sign, der_encode_sig
i = int(i)
if len(priv) <= 33:
priv = binascii.hexlify(priv)
signing_tx = segwit_signature_form(tx,
i,
script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
return sig
def segwit_multisign(tx,
i,
script,
pk,
amount,
hashcode=SIGHASH_ALL,
separator_index=None):
wscript = segwit_strip_script_separator(script, index=separator_index)
signing_tx = segwit_signature_form(tx,
i,
wscript,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), pk)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
return sig
def bech32_sign(tx, i, priv, amount, script=None, hashcode=SIGHASH_ALL):
from bitcoin import deserialize, segwit_signature_form, ecdsa_raw_sign, der_encode_sig, serialize, compress
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = compress(privkey_to_pubkey(priv))
script = script or ('76a914' + hash160(binascii.unhexlify(pub)) + '88ac')
signing_tx = segwit_signature_form(tx,
i,
script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub]
return serialize(txobj)
def Sign(message, private_key):
"""
Sign the message with the given private key.
Args:
message (str): message to be signed
private_key (str): 32 byte key as a double digit hex string (e.g. having a length of 64)
Returns:
bytearray: the signature of the message.
"""
hash = hashlib.sha256(binascii.unhexlify(message)).hexdigest()
v, r, s = bitcoin.ecdsa_raw_sign(hash, private_key)
rb = bytearray(r.to_bytes(32, 'big'))
sb = bytearray(s.to_bytes(32, 'big'))
sig = rb + sb
return sig
def ecdsa(order, priv_key):
hashed_order = keccak_256(
address(order['makerAddress']) + uint(order['makerAmount']) +
address(order['makerToken']) + address(order['takerAddress']) +
uint(order['takerAmount']) + address(order['takerToken']) +
uint(order['nonce']) + uint(order['expiration']))
magic = keccak_256(b'\x19Ethereum Signed Message:\n32' +
hashed_order.digest())
v, r, s = ecdsa_raw_sign(magic.hexdigest(),
hexadecimal.decode_hex(priv_key))
r = utils.int_to_hex(r)
s = utils.int_to_hex(s)
# Ensuring that the parameters are correct length
if len(r) < 66:
r = b'0x0' + r[2:]
if len(s) < 66:
diff = 66 - len(s)
s = '0x' + '0' * diff + s[2:]
return v, r, s
def test_valid_sigs(setup_ecc):
for v in vectors['vectors']:
msg = v['msg']
sig = v['sig']
priv = v['privkey']
assert sig == btc.ecdsa_raw_sign(msg, priv, True, rawmsg=True)+'01'
#check that the signature verifies against the key(pair)
pubkey = btc.privtopub(priv)
assert btc.ecdsa_raw_verify(msg, pubkey, sig[:-2], True, rawmsg=True)
#check that it fails to verify against corrupted signatures
for i in [0,1,2,4,7,25,55]:
#corrupt one byte
binsig = binascii.unhexlify(sig)
checksig = binascii.hexlify(binsig[:i] + chr(
(ord(binsig[i])+1) %256) + binsig[i+1:-1])
#this kind of corruption will sometimes lead to an assert
#failure (if the DER format is corrupted) and sometimes lead
#to a signature verification failure.
try:
res = btc.ecdsa_raw_verify(msg, pubkey, checksig, True, rawmsg=True)
except:
continue
assert res==False
def sign(self, key):
rawhash = sha3(rlp.encode(self.serialize(False)))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, key)
self.sender = privtoaddr(key)
return self
def sign(self, key):
rawhash = utils.sha3(self.serialize(False))
self.v, self.r, self.s = ecdsa_raw_sign(rawhash, key)
self.sender = utils.privtoaddr(key)
return self
def sign(h, priv):
assert len(h) == 32
V, R, S = bitcoin.ecdsa_raw_sign(h, priv)
return V,R,S
def sign_data(self, data, private_key):
v, r, s = ecdsa_raw_sign(data, private_key)
return self.i2b(v), self.i2b(r), self.i2b(s)
import sys
from bitcoin import ecdsa_raw_sign, encode_privkey
from sha3 import keccak_256
from getpass import getpass
def is_canonical( sig ):
return not (sig[1] & 0x80)\
and not (sig[1] == 0 and not (sig[2] & 0x80))\
and not (sig[33] & 0x80)\
and not (sig[33] == 0 and not (sig[34] & 0x80))
priv = getpass("ETH private key: ")
msg = "I lost my EOS genesis key"
msghash = keccak_256(msg).digest()
v, r, s = ecdsa_raw_sign(msghash, encode_privkey(priv,'hex').decode('hex'))
signature = '00%02x%064x%064x' % (v,r,s)
print(signature)
sys.exit(0)
if is_canonical(bytearray(signature.decode('hex'))):
print(signature)
sys.exit(0)
else:
print("Error: bad sig")
sys.exit(1)
def ecdsa_sign(message, privkey):
s = _encode_sig(*bitcoin.ecdsa_raw_sign(message, privkey))
return s
key = utils.sha3('cow') # generate private key using 'brain wallet' seed (should be high entropy)
addr = utils.privtoaddr(key) # get address from private key
gen = blocks.genesis({addr: 10**60})
assembly = serpent.compile_to_assembly(open('tester.se').read())
print assembly
code = serpent.assemble(assembly)
print code
msg_hash = utils.sha3('heres a message')
v, r, s = bitcoin.ecdsa_raw_sign(msg_hash, key)
pub = bitcoin.privkey_to_pubkey(key)
verified = bitcoin.ecdsa_raw_verify(msg_hash, (v, r, s), pub)
print verified
tx_make_root = transactions.contract(0,10,10**30, 10**30, code).sign(key)
success, root_contract = processblock.apply_tx(gen, tx_make_root)
#tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist([msg_hash, v, r, s])).sign(key)
#tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist(['hi', 'bye'])).sign(key)
tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist([2, '139dcd5cc79e260272e05147c349ab5f2db3f102', 1])).sign(key)
#tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist([2, 1])).sign(key)
print assembly
success, ans = processblock.apply_tx(gen, tx_init_root)
print ans
data = serpent.decode_datalist(ans)
import random
random.seed(12312421412)
from bitcoin import privtopub, encode_pubkey, ecdsa_raw_sign, ecdsa_raw_recover
import time
# import pyximport
# pyximport.install()
#from ecrecover import ecdsa_sign, ecdsa_verify, ecdsa_recover, test_big
from ecdsa_recover import ecdsa_raw_recover as c_ecdsa_raw_recover
from ecdsa_recover import ecdsa_raw_sign as c_ecdsa_raw_sign
priv = ''.join(chr(random.randint(0, 255)) for i in range(32))
pub = privtopub(priv)
msg = ''.join(chr(random.randint(0, 255)) for i in range(32))
vrs = ecdsa_raw_sign(msg, priv)
assert vrs == c_ecdsa_raw_sign(msg, priv)
p = ecdsa_raw_recover(msg, vrs)
p2 = c_ecdsa_raw_recover(msg, vrs)
assert p == p2
assert encode_pubkey(p, 'bin') == pub
def test_ecrecover(rounds = 100):
st = time.time()
rounds = 100
for i in range(rounds):
p = ecdsa_raw_recover(msg, vrs)
print 'py took', (time.time() - st)
def test_cecrecover(rounds = 100):
st = time.time()
for i in range(rounds):
p = c_ecdsa_raw_recover(msg, vrs)
def Sign(self):
data = rlp.encode(self, Tx.exclude(['v', 's', 'r']))
hash = sha3.keccak_256(data).digest()
self.v, self.r, self.s = bitcoin.ecdsa_raw_sign(hash, self.Key)
self.HexTx = rlp.encode(self).hex()
return self.HexTx
for i, test in enumerate(mul_tests):
print 'trying mul_test %i' % i, test
o1 = substitutes.jacobian_mul_substitute(*test)
o2 = s.profile(t.k0, c, 0, funid=0, abi=test)
# assert o1["gas"] == o2["gas"], (o1, o2, test)
assert o1["output"] == o2["output"], (o1, o2, test)
c = s.contract('ecrecover.se')
print "Starting ecrecover tests"
for i in range(5):
print 'trying ecrecover_test', vals[i*2], vals[i*2+1]
k = vals[i*2]
h = vals[i*2+1]
V, R, S = b.ecdsa_raw_sign(b.encode(h, 256, 32), k)
aa = time.time()
o1 = substitutes.ecrecover_substitute(h, V, R, S)
print 'sub', time.time() - aa
a = time.time()
o2 = s.profile(t.k0, c, 0, funid=0, abi=[h, V, R, S])
print time.time() - a
# assert o1["gas"] == o2["gas"], (o1, o2, h, V, R, S)
assert o1["output"] == o2["output"], (o1, o2, h, V, R, S)
# Explicit tests
data = [[
0xf007a9c78a4b2213220adaaf50c89a49d533fbefe09d52bbf9b0da55b0b90b60,
0x1b,
0x5228fc9e2fabfe470c32f459f4dc17ef6a0a81026e57e4d61abc3bc268fc92b5,
def mk_sig(hash, priv): return list(b.ecdsa_raw_sign(hash, priv)) def mk_mk_sig(msghash): return (lambda p: mk_sig(msghash, p["priv"]))