def sha3(*args):
data = ""
for i in args:
if isinstance(i, (int, long)):
data += encode(i, 256, 32)
if isinstance(i, (list, tuple)):
data += "".join(encode(j, 256, 32) for j in i)
if isinstance(i, str):
data += i
result = decode(_sha3(data).digest(), 256)
if result > 2 ** 255:
result -= 2 ** 256
return result
def sha3(*args):
data = ''
for i in args:
if isinstance(i, (int, long)):
data += encode(i, 256, 32)
if isinstance(i, (list, tuple)):
data += ''.join(encode(j, 256, 32) for j in i)
if isinstance(i, str):
data += i
result = decode(_sha3(data).digest(), 256)
if result > 2**255:
result -= 2**256
return result
def sha3(r):
return _sha3(r).digest()
def sha(*args):
s = _sha3()
for arg in args:
s.update(arg)
return s.hexdigest()
try:
from Crypto.Hash import keccak
sha3_256 = lambda x: keccak.new(digest_bits=256, data=x).digest()
except:
from sha3 import keccak_256 as _sha3
sha3_256 = lambda x: _sha3(x).digest()
#from bitcoin import privtopub
import sys
import rlp
from rlp.sedes import big_endian_int, BigEndianInt, Binary
from rlp.utils import decode_hex, encode_hex, ascii_chr, str_to_bytes
import random
big_endian_to_int = lambda x: big_endian_int.deserialize(
str_to_bytes(x).lstrip(b'\x00'))
int_to_big_endian = lambda x: big_endian_int.serialize(x)
TT256 = 2**256
TT256M1 = 2**256 - 1
TT255 = 2**255
if sys.version_info.major == 2:
is_numeric = lambda x: isinstance(x, (int, long))
is_string = lambda x: isinstance(x, (str, unicode))
def to_string(value):
return str(value)
def int_to_bytes(value):
if isinstance(value, str):
return value