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