taint

Crypto forensics for private use
git clone git://git.defalsify.org/taint.git
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sync.py (2446B)

      1 # standard imports
      2 import logging
      3 import sys
      4 
      5 # external imports
      6 from chainlib.chain import ChainSpec
      7 from chainlib.eth.connection import EthHTTPConnection
      8 from chainsyncer.backend.memory import MemBackend
      9 from chainlib.eth.block import block_latest
     10 from chainsyncer.driver import HistorySyncer
     11 
     12 # local imports
     13 from taint import Tainter
     14 from taint.store.file import FileStore
     15 from taint.account import Account
     16 from taint.cache import CacheSyncBackend
     17 from taint.sync.eth import EthCacheSyncer
     18 
     19 logging.basicConfig(level=logging.INFO)
     20 logging.getLogger('taint.cache').setLevel(logging.DEBUG)
     21 logg = logging.getLogger()
     22 
     23 store_dir = '/home/lash/tmp/storedir'
     24 
     25 store = FileStore(store_dir)
     26 
     27 chain_spec = ChainSpec('evm', 'foo', 42, 'bar')
     28 
     29 ifc = Tainter(chain_spec, 8000, store=store)
     30 
     31 rpc = EthHTTPConnection('http://localhost:8545')
     32 
     33 #o = block_latest()
     34 #stop = rpc.do(o)
     35 start = 12423955
     36 start -= 1
     37 #stop = 12424184
     38 stop = start
     39 stop += 1
     40 syncer_backend = MemBackend(chain_spec, None, target_block=stop)
     41 syncer_backend.set(start, 0)
     42 
     43 
     44 class MonitorFilter:
     45 
     46     def __init__(self, name='sync'):
     47         self.name = name
     48 
     49 
     50     def tick(self, block_number, tx_index):
     51         s = '{} sync block {} tx {}'.format(self.name, block_number, tx_index)
     52         sys.stdout.write('{:<100s}\r'.format(s))
     53 
     54 
     55     def filter(self, rpc, block, tx, session=None):
     56         self.tick(block.number, tx.index)
     57 
     58 
     59 class MatchFilter:
     60 
     61     def filter(self, rpc, block, tx, session=None):
     62         logg.info('>>>>>>>>>>>>>>>>> block {} tx {}'.format(block, tx))
     63 
     64 
     65 
     66 def block_monitor(block, Tx=None):
     67     s = 'sync block {} ({} txs)'.format(block.number, len(block.txs))
     68     sys.stdout.write('{:<100s}\r'.format(s))
     69 
     70 syncer = HistorySyncer(syncer_backend, block_callback=block_monitor)
     71 
     72 account = Account(chain_spec, bytes.fromhex('60c2fb18578665eb92636e7727e54e6b7c75f7ed'), tags=[b'foo'])
     73 ifc.add_subject(account)
     74 
     75 account = Account(chain_spec, bytes.fromhex('2bd15ebe0fac6831a9d12190a599385bee5515ad'), tags=[b'bar'])
     76 ifc.add_object(account)
     77 
     78 syncer.add_filter(MonitorFilter())
     79 syncer.add_filter(ifc)
     80 
     81 syncer.loop(0, rpc)
     82 
     83 ifc.save()
     84 
     85 for a in ifc.subjects.values():
     86     print(str(a))
     87 
     88 for a in ifc.objects.values():
     89     print(str(a))
     90 
     91 cache_backend = CacheSyncBackend(ifc, chain_spec, None, start_block=start, target_block=stop, tick_callback=MonitorFilter(name='cache').tick)
     92 syncer = EthCacheSyncer(cache_backend)
     93 syncer.add_filter(MatchFilter())
     94 syncer.loop(0, rpc)