# Path: bitcoinpy/lib/hash.py
# def MurmurHash3(nHashSeed, vDataToHash):
#     """MurmurHash3 (x86_32)
# 
#     Used for bloom filters. See http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
#     """
# 
#     assert nHashSeed <= 0xFFFFFFFF
# 
#     h1 = nHashSeed
#     c1 = 0xcc9e2d51
#     c2 = 0x1b873593
# 
#     # body
#     i = 0
#     while i < len(vDataToHash) - len(vDataToHash) % 4 \
#           and len(vDataToHash) - i >= 4:
# 
#         k1 = struct.unpack(b"<L", vDataToHash[i:i+4])[0]
# 
#         k1 = (k1 * c1) & 0xFFFFFFFF
#         k1 = ROTL32(k1, 15)
#         k1 = (k1 * c2) & 0xFFFFFFFF
# 
#         h1 ^= k1
#         h1 = ROTL32(h1, 13)
#         h1 = (((h1*5) & 0xFFFFFFFF) + 0xe6546b64) & 0xFFFFFFFF
# 
#         i += 4
# 
#     # tail
#     k1 = 0
#     j = (len(vDataToHash) // 4) * 4
#     import sys
#     bord = ord
#     if sys.version > '3':
#         # In Py3 indexing bytes returns numbers, not characters
#         bord = lambda x: x
#     if len(vDataToHash) & 3 >= 3:
#         k1 ^= bord(vDataToHash[j+2]) << 16
#     if len(vDataToHash) & 3 >= 2:
#         k1 ^= bord(vDataToHash[j+1]) << 8
#     if len(vDataToHash) & 3 >= 1:
#         k1 ^= bord(vDataToHash[j])
# 
#     k1 &= 0xFFFFFFFF
#     k1 = (k1 * c1) & 0xFFFFFFFF
#     k1 = ROTL32(k1, 15)
#     k1 = (k1 * c2) & 0xFFFFFFFF
#     h1 ^= k1
# 
#     # finalization
#     h1 ^= len(vDataToHash) & 0xFFFFFFFF
#     h1 ^= (h1 & 0xFFFFFFFF) >> 16
#     h1 *= 0x85ebca6b
#     h1 ^= (h1 & 0xFFFFFFFF) >> 13
#     h1 *= 0xc2b2ae35
#     h1 ^= (h1 & 0xFFFFFFFF) >> 16
# 
#     return h1 & 0xFFFFFFFF


import struct
import math
from bitcoinpy.lib.serialize import *
from bitcoinpy.lib.coredefs import *
from bitcoinpy.lib.core import *
from bitcoinpy.lib.hash import MurmurHash3

#
# bloom.py
#
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#

from __future__ import absolute_import, division, print_function, unicode_literals


class CBloomFilter(object):
    # 20,000 items with fp rate < 0.1% or 10,000 items and <0.0001%
    MAX_BLOOM_FILTER_SIZE = 36000
    MAX_HASH_FUNCS = 50

    UPDATE_NONE = 0
    UPDATE_ALL = 1
    UPDATE_P2PUBKEY_ONLY = 2
    UPDATE_MASK = 3


# Path: bitcoinpy/lib/hash.py
# def MurmurHash3(nHashSeed, vDataToHash):
#     """MurmurHash3 (x86_32)
# 
#     Used for bloom filters. See http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
#     """
# 
#     assert nHashSeed <= 0xFFFFFFFF
# 
#     h1 = nHashSeed
#     c1 = 0xcc9e2d51
#     c2 = 0x1b873593
# 
#     # body
#     i = 0
#     while i < len(vDataToHash) - len(vDataToHash) % 4 \
#           and len(vDataToHash) - i >= 4:
# 
#         k1 = struct.unpack(b"<L", vDataToHash[i:i+4])[0]
# 
#         k1 = (k1 * c1) & 0xFFFFFFFF
#         k1 = ROTL32(k1, 15)
#         k1 = (k1 * c2) & 0xFFFFFFFF
# 
#         h1 ^= k1
#         h1 = ROTL32(h1, 13)
#         h1 = (((h1*5) & 0xFFFFFFFF) + 0xe6546b64) & 0xFFFFFFFF
# 
#         i += 4
# 
#     # tail
#     k1 = 0
#     j = (len(vDataToHash) // 4) * 4
#     import sys
#     bord = ord
#     if sys.version > '3':
#         # In Py3 indexing bytes returns numbers, not characters
#         bord = lambda x: x
#     if len(vDataToHash) & 3 >= 3:
#         k1 ^= bord(vDataToHash[j+2]) << 16
#     if len(vDataToHash) & 3 >= 2:
#         k1 ^= bord(vDataToHash[j+1]) << 8
#     if len(vDataToHash) & 3 >= 1:
#         k1 ^= bord(vDataToHash[j])
# 
#     k1 &= 0xFFFFFFFF
#     k1 = (k1 * c1) & 0xFFFFFFFF
#     k1 = ROTL32(k1, 15)
#     k1 = (k1 * c2) & 0xFFFFFFFF
#     h1 ^= k1
# 
#     # finalization
#     h1 ^= len(vDataToHash) & 0xFFFFFFFF
#     h1 ^= (h1 & 0xFFFFFFFF) >> 16
#     h1 *= 0x85ebca6b
#     h1 ^= (h1 & 0xFFFFFFFF) >> 13
#     h1 *= 0xc2b2ae35
#     h1 ^= (h1 & 0xFFFFFFFF) >> 16
# 
#     return h1 & 0xFFFFFFFF


# Path: bitcoinpy/lib/bloom.py
import struct
import math
from bitcoinpy.lib.serialize import *
from bitcoinpy.lib.coredefs import *
from bitcoinpy.lib.core import *
from bitcoinpy.lib.hash import MurmurHash3


#
# bloom.py
#
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#

from __future__ import absolute_import, division, print_function, unicode_literals


class CBloomFilter(object):
    # 20,000 items with fp rate < 0.1% or 10,000 items and <0.0001%
    MAX_BLOOM_FILTER_SIZE = 36000
    MAX_HASH_FUNCS = 50

    UPDATE_NONE = 0
    UPDATE_ALL = 1
    UPDATE_P2PUBKEY_ONLY = 2
    UPDATE_MASK = 3


    def __init__(self, nElements, nFPRate, nTweak, nFlags):