149 lines
3.1 KiB
Python
149 lines
3.1 KiB
Python
# standard imports
|
|
import os
|
|
import logging
|
|
import hashlib
|
|
|
|
# external imports
|
|
from hexathon import add_0x
|
|
from shep.state import State
|
|
|
|
# local imports
|
|
#from chainsyncer.driver.history import HistorySyncer
|
|
from chainsyncer.error import NoBlockForYou
|
|
from chainsyncer.driver import SyncDriver
|
|
|
|
logg = logging.getLogger().getChild(__name__)
|
|
|
|
|
|
class MockFilterError(Exception):
|
|
pass
|
|
|
|
|
|
class MockConn:
|
|
"""Noop connection mocker.
|
|
|
|
:param o: Object to execute rpc call for
|
|
:type o: dict
|
|
"""
|
|
def do(self, o):
|
|
pass
|
|
|
|
|
|
class MockTx:
|
|
"""Minimal mocked tx object.
|
|
|
|
:param index: Transaction index in block
|
|
:type index: int
|
|
:param tx_hash: Transaction hash
|
|
:type tx_hash: str
|
|
"""
|
|
def __init__(self, index, tx_hash):
|
|
self.hash = tx_hash
|
|
self.index = index
|
|
|
|
|
|
def apply_receipt(self, rcpt):
|
|
"""Save receipt source in mock tx object.
|
|
|
|
:param rcpt: Transaction receipt
|
|
:type rcpt: dict
|
|
"""
|
|
self.rcpt = rcpt
|
|
|
|
|
|
class MockBlock:
|
|
|
|
def __init__(self, number, txs):
|
|
"""Minimal mocked block object.
|
|
|
|
:param number: Block number
|
|
:type number: int
|
|
:param txs: Transaction list to include in block
|
|
:type txs: list
|
|
"""
|
|
self.number = number
|
|
self.txs = txs
|
|
|
|
|
|
def tx(self, i):
|
|
"""Get block transaction at given index.
|
|
|
|
:param i: Transaction index
|
|
:type i: int
|
|
"""
|
|
return MockTx(i, self.txs[i])
|
|
|
|
|
|
class MockStore(State):
|
|
|
|
def __init__(self, bits=0):
|
|
super(MockStore, self).__init__(bits, check_alias=False)
|
|
|
|
|
|
def start(self, offset=0, target=-1):
|
|
pass
|
|
|
|
|
|
class MockFilter:
|
|
|
|
def __init__(self, name, brk=None, brk_hard=None, z=None):
|
|
self.name = name
|
|
if z == None:
|
|
h = hashlib.sha256()
|
|
h.update(self.name.encode('utf-8'))
|
|
z = h.digest()
|
|
self.z = z
|
|
self.brk = brk
|
|
self.brk_hard = brk_hard
|
|
self.contents = []
|
|
|
|
|
|
def sum(self):
|
|
return self.z
|
|
|
|
|
|
def common_name(self):
|
|
return self.name
|
|
|
|
|
|
def filter(self, conn, block, tx):
|
|
r = False
|
|
self.contents.append((block.number, tx.index, tx.hash,))
|
|
if self.brk_hard != None:
|
|
r = True
|
|
if self.brk_hard > 0:
|
|
r = True
|
|
self.brk_hard -= 1
|
|
if r:
|
|
raise MockFilterError()
|
|
if self.brk != None:
|
|
if self.brk > 0:
|
|
r = True
|
|
self.brk -= 1
|
|
logg.debug('filter {} r {}'.format(self.common_name(), r))
|
|
return r
|
|
|
|
|
|
class MockDriver(SyncDriver):
|
|
|
|
def __init__(self, store, offset=0, target=-1):
|
|
super(MockDriver, self).__init__(store, offset=offset, target=target)
|
|
self.blocks = {}
|
|
|
|
|
|
def add_block(self, block):
|
|
self.blocks[block.number] = block
|
|
|
|
|
|
def get(self, conn, item):
|
|
return self.blocks[item.cursor]
|
|
|
|
|
|
def process(self, conn, item, block, tx_start):
|
|
i = tx_start
|
|
while True:
|
|
tx = block.tx(i)
|
|
self.process_single(conn, block, tx)
|
|
item.next()
|
|
i += 1
|