Remove legacy syncer code
This commit is contained in:
nolash
parent
01387993b5
commit
1f126037fe
GPG Key ID:
21D2E7BB88C2A746
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from .base import Syncer
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# standard imports
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import logging
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# local imports
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from cic_eth.db.models.sync import BlockchainSync
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from cic_eth.db.models.base import SessionBase
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logg = logging.getLogger()
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class SyncerBackend:
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"""Interface to block and transaction sync state.
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:param chain_spec: Chain spec for the chain that syncer is running for.
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:type chain_spec: cic_registry.chain.ChainSpec
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:param object_id: Unique id for the syncer session.
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:type object_id: number
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"""
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def __init__(self, chain_spec, object_id):
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self.db_session = None
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self.db_object = None
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self.chain_spec = chain_spec
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self.object_id = object_id
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self.connect()
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self.disconnect()
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def connect(self):
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"""Loads the state of the syncer session with the given id.
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"""
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if self.db_session == None:
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self.db_session = SessionBase.create_session()
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q = self.db_session.query(BlockchainSync)
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q = q.filter(BlockchainSync.id==self.object_id)
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self.db_object = q.first()
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if self.db_object == None:
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self.disconnect()
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raise ValueError('sync entry with id {} not found'.format(self.object_id))
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return self.db_session
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def disconnect(self):
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"""Commits state of sync to backend.
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"""
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if self.db_session != None:
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self.db_session.add(self.db_object)
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self.db_session.commit()
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self.db_session.close()
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self.db_session = None
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def chain(self):
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"""Returns chain spec for syncer
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:returns: Chain spec
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:rtype chain_spec: cic_registry.chain.ChainSpec
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"""
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return self.chain_spec
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def get(self):
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"""Get the current state of the syncer cursor.
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:returns: Block and block transaction height, respectively
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:rtype: tuple
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"""
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self.connect()
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pair = self.db_object.cursor()
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self.disconnect()
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return pair
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def set(self, block_height, tx_height):
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"""Update the state of the syncer cursor
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:param block_height: Block height of cursor
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:type block_height: number
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:param tx_height: Block transaction height of cursor
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:type tx_height: number
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:returns: Block and block transaction height, respectively
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:rtype: tuple
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"""
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self.connect()
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pair = self.db_object.set(block_height, tx_height)
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self.disconnect()
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return pair
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def start(self):
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"""Get the initial state of the syncer cursor.
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:returns: Initial block and block transaction height, respectively
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:rtype: tuple
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"""
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self.connect()
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pair = self.db_object.start()
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self.disconnect()
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return pair
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def target(self):
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"""Get the target state (upper bound of sync) of the syncer cursor.
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:returns: Target block height
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:rtype: number
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"""
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self.connect()
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target = self.db_object.target()
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self.disconnect()
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return target
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@staticmethod
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def first(chain):
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"""Returns the model object of the most recent syncer in backend.
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:param chain: Chain spec of chain that syncer is running for.
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:type chain: cic_registry.chain.ChainSpec
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:returns: Last syncer object
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:rtype: cic_eth.db.models.BlockchainSync
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"""
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return BlockchainSync.first(chain)
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@staticmethod
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def initial(chain, block_height):
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"""Creates a new syncer session and commit its initial state to backend.
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:param chain: Chain spec of chain that syncer is running for.
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:type chain: cic_registry.chain.ChainSpec
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:param block_height: Target block height
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:type block_height: number
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:returns: New syncer object
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:rtype: cic_eth.db.models.BlockchainSync
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"""
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object_id = None
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session = SessionBase.create_session()
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o = BlockchainSync(chain, 0, 0, block_height)
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session.add(o)
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session.commit()
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object_id = o.id
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session.close()
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return SyncerBackend(chain, object_id)
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@staticmethod
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def resume(chain, block_height):
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"""Retrieves and returns all previously unfinished syncer sessions.
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:param chain: Chain spec of chain that syncer is running for.
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:type chain: cic_registry.chain.ChainSpec
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:param block_height: Target block height
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:type block_height: number
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:returns: Syncer objects of unfinished syncs
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:rtype: list of cic_eth.db.models.BlockchainSync
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"""
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syncers = []
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session = SessionBase.create_session()
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object_id = None
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for object_id in BlockchainSync.get_unsynced(session=session):
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logg.debug('block syncer resume added previously unsynced sync entry id {}'.format(object_id))
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syncers.append(SyncerBackend(chain, object_id))
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(block_resume, tx_resume) = BlockchainSync.get_last_live_height(block_height, session=session)
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if block_height != block_resume:
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o = BlockchainSync(chain, block_resume, tx_resume, block_height)
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session.add(o)
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session.commit()
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object_id = o.id
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syncers.append(SyncerBackend(chain, object_id))
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logg.debug('block syncer resume added new sync entry from previous run id {}, start{}:{} target {}'.format(object_id, block_resume, tx_resume, block_height))
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session.close()
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return syncers
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@staticmethod
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def live(chain, block_height):
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"""Creates a new open-ended syncer session starting at the given block height.
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:param chain: Chain spec of chain that syncer is running for.
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:type chain: cic_registry.chain.ChainSpec
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:param block_height: Target block height
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:type block_height: number
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:returns: "Live" syncer object
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:rtype: cic_eth.db.models.BlockchainSync
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"""
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object_id = None
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session = SessionBase.create_session()
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o = BlockchainSync(chain, block_height, 0, None)
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session.add(o)
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session.commit()
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object_id = o.id
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session.close()
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return SyncerBackend(chain, object_id)
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@ -1,51 +0,0 @@
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# TODO: extend blocksync model
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class Syncer:
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"""Base class and interface for implementing a block sync poller routine.
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:param bc_cache: Retrieves block cache cursors for chain head and latest processed block.
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:type bc_cache: cic_eth.sync.SyncerBackend
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"""
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w3 = None
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running_global = True
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def __init__(self, bc_cache):
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self.cursor = None
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self.bc_cache = bc_cache
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self.filter = []
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self.running = True
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def chain(self):
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"""Returns the string representation of the chain spec for the chain the syncer is running on.
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:returns: Chain spec string
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:rtype: str
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"""
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return self.bc_cache.chain()
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def get(self):
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"""Get latest unprocessed blocks.
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:returns: list of block hash strings
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:rtype: list
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"""
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raise NotImplementedError()
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def process(self, w3, ref):
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"""Process transactions in a single block.
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:param ref: Reference of object to process
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:type ref: str, 0x-hex
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"""
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raise NotImplementedError()
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def loop(self, interval):
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"""Entry point for syncer loop
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:param interval: Delay in seconds until next attempt if no new blocks are found.
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:type interval: int
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"""
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raise NotImplementedError()
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class LoopDone(Exception):
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"""Exception raised when a syncing is complete.
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"""
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pass
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# standard imports
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import logging
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# third-party imports
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import web3
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# local imports
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from .mined import MinedSyncer
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from .base import Syncer
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logg = logging.getLogger()
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class HeadSyncer(MinedSyncer):
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"""Implements the get method in Syncer for retrieving every new mined block.
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:param bc_cache: Retrieves block cache cursors for chain head and latest processed block.
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:type bc_cache: Object implementing methods from cic_eth.sync.SyncerBackend
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"""
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def __init__(self, bc_cache):
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super(HeadSyncer, self).__init__(bc_cache)
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# TODO: filter not returning all blocks, at least with ganache. kind of defeats the point, then
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#self.w3_filter = rpc.w3.eth.filter({
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# 'fromBlock': block_offset,
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# }) #'latest')
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#self.bc_cache.set(block_offset, 0)
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logg.debug('initialized head syncer with offset {}'.format(bc_cache.start()))
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"""Implements Syncer.get
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:param w3: Web3 object
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:type w3: web3.Web3
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:returns: Block hash of newly mined blocks. if any
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:rtype: list of str, 0x-hex
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"""
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def get(self, w3):
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# Of course, the filter doesn't return the same block dict format as getBlock() so we'll just waste some cycles getting the hashes instead.
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#hashes = []
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#for block in self.w3_filter.get_new_entries():
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# hashes.append(block['blockHash'])
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#logg.debug('blocks {}'.format(hashes))
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#return hashes
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(block_number, tx_number) = self.bc_cache.get()
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block_hash = []
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try:
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block = w3.eth.getBlock(block_number)
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block_hash.append(block.hash)
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except web3.exceptions.BlockNotFound:
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pass
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return block_hash
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@ -1,74 +0,0 @@
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# standard imports
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import logging
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# third-party imports
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from web3.exceptions import BlockNotFound
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from .error import LoopDone
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# local imports
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from .mined import MinedSyncer
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from .base import Syncer
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from cic_eth.db.models.base import SessionBase
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logg = logging.getLogger()
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class HistorySyncer(MinedSyncer):
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"""Implements the get method in Syncer for retrieving all blocks between last processed block before previous shutdown and block height at time of syncer start.
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:param bc_cache: Retrieves block cache cursors for chain head and latest processed block.
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:type bc_cache: Object implementing methods from cic_eth.sync.SyncerBackend
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:param mx: Maximum number of blocks to return in one call
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:type mx: int
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"""
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def __init__(self, bc_cache, mx=500):
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super(HistorySyncer, self).__init__(bc_cache)
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self.max = mx
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self.target = bc_cache.target()
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logg.info('History syncer target block number {}'.format(self.target))
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session_offset = self.bc_cache.get()
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self.block_offset = session_offset[0]
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self.tx_offset = session_offset[1]
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logg.info('History syncer starting at {}:{}'.format(session_offset[0], session_offset[1]))
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self.filter = []
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"""Implements Syncer.get
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BUG: Should also raise LoopDone when block array is empty after loop.
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:param w3: Web3 object
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:type w3: web3.Web3
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:raises LoopDone: If a block is not found.
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:return: Return a batch of blocks to process
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:rtype: list of str, 0x-hex
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"""
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def get(self, w3):
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sync_db = self.bc_cache
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height = self.bc_cache.get()
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logg.debug('height {}'.format(height))
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block_last = height[0]
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tx_last = height[1]
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if not self.running:
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raise LoopDone((block_last, tx_last))
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b = []
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block_target = block_last + self.max
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if block_target > self.target:
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block_target = self.target
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logg.debug('target {} last {} max {}'.format(block_target, block_last, self.max))
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for i in range(block_last, block_target):
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if i == self.target:
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logg.info('reached target {}, exiting'.format(i))
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self.running = False
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break
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bhash = w3.eth.getBlock(i).hash
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b.append(bhash)
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logg.debug('appending block {} {}'.format(i, bhash.hex()))
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if block_last == block_target:
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logg.info('aleady reached target {}, exiting'.format(self.target))
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self.running = False
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return b
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@ -1,50 +0,0 @@
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class MemPoolSyncer(Syncer):
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def __init__(self, bc_cache):
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raise NotImplementedError('incomplete, needs web3 tx to raw transaction conversion')
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super(MemPoolSyncer, self).__init__(bc_cache)
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# self.w3_filter = Syncer.w3.eth.filter('pending')
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# for tx in tx_cache.txs:
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# self.txs.append(tx)
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# logg.debug('add tx {} to mempoolsyncer'.format(tx))
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#
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#
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# def get(self):
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# return self.w3_filter.get_new_entries()
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#
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#
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# def process(self, tx_hash):
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# tx_hash_hex = tx_hash.hex()
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# if tx_hash_hex in self.txs:
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# logg.debug('syncer already watching {}, skipping'.format(tx_hash_hex))
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# tx = self.w3.eth.getTransaction(tx_hash_hex)
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# serialized_tx = rlp.encode({
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# 'nonce': tx.nonce,
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# 'from': getattr(tx, 'from'),
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# })
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# logg.info('add {} to syncer: {}'.format(tx, serialized_tx))
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# otx = Otx(
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# nonce=tx.nonce,
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# address=getattr(tx, 'from'),
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# tx_hash=tx_hash_hex,
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# signed_tx=serialized_tx,
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# )
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# Otx.session.add(otx)
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# Otx.session.commit()
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#
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#
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# def loop(self, interval):
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# while Syncer.running:
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# logg.debug('loop execute')
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# txs = self.get()
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# logg.debug('got txs {}'.format(txs))
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# for tx in txs:
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# #block_number = self.process(block.hex())
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# self.process(tx)
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# #if block_number > self.bc_cache.head():
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# # self.bc_cache.head(block_number)
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# time.sleep(interval)
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# logg.info("Syncer no longer set to run, gracefully exiting")
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@ -1,109 +0,0 @@
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# standard imports
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import logging
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import time
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# third-party imports
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import celery
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# local impotes
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from .base import Syncer
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from cic_eth.queue.tx import set_final_status
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from cic_eth.eth import RpcClient
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app = celery.current_app
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logg = logging.getLogger()
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class MinedSyncer(Syncer):
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"""Base implementation of block processor for mined blocks.
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Loops through all transactions,
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:param bc_cache: Retrieves block cache cursors for chain head and latest processed block.
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:type bc_cache: Object implementing methods from cic_eth.sync.SyncerBackend
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"""
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yield_delay = 0.005
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def __init__(self, bc_cache):
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super(MinedSyncer, self).__init__(bc_cache)
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self.block_offset = 0
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self.tx_offset = 0
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def process(self, w3, ref):
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"""Processes transactions in a single block, advancing transaction (and block) cursor accordingly.
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:param w3: Web3 object
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:type w3: web3.Web3
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:param ref: Block reference (hash) to process
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:type ref: str, 0x-hex
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:returns: Block number of next unprocessed block
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:rtype: number
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"""
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b = w3.eth.getBlock(ref)
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c = w3.eth.getBlockTransactionCount(ref)
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s = 0
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if self.block_offset == b.number:
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s = self.tx_offset
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logg.debug('processing {} (blocknumber {}, count {}, offset {})'.format(ref, b.number, c, s))
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for i in range(s, c):
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tx = w3.eth.getTransactionByBlock(ref, i)
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tx_hash_hex = tx['hash'].hex()
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rcpt = w3.eth.getTransactionReceipt(tx_hash_hex)
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logg.debug('{}/{} processing tx {} from block {} {}'.format(i+1, c, tx_hash_hex, b.number, ref))
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ours = False
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# TODO: ensure filter loop can complete on graceful shutdown
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for f in self.filter:
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#try:
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session = self.bc_cache.connect()
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task_uuid = f(w3, tx, rcpt, self.chain(), session)
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#except Exception as e:
|
||||
# logg.error('error in filter {} tx {}: {}'.format(f, tx_hash_hex, e))
|
||||
# continue
|
||||
if task_uuid != None:
|
||||
logg.debug('tx {} passed to celery task {}'.format(tx_hash_hex, task_uuid))
|
||||
s = celery.signature(
|
||||
'set_final_status',
|
||||
[tx_hash_hex, rcpt['blockNumber'], not rcpt['status']],
|
||||
)
|
||||
s.apply_async()
|
||||
break
|
||||
next_tx = i + 1
|
||||
if next_tx == c:
|
||||
self.bc_cache.set(b.number+1, 0)
|
||||
else:
|
||||
self.bc_cache.set(b.number, next_tx)
|
||||
if c == 0:
|
||||
logg.info('synced block {} has no transactions'.format(b.number))
|
||||
#self.bc_cache.session(b.number+1, 0)
|
||||
self.bc_cache.set(b.number+1, 0)
|
||||
return b['number']
|
||||
|
||||
|
||||
|
||||
def loop(self, interval):
|
||||
"""Loop running until the "running" property of Syncer is set to False.
|
||||
|
||||
Retrieves latest unprocessed blocks and processes them.
|
||||
|
||||
:param interval: Delay in seconds until next attempt if no new blocks are found.
|
||||
:type interval: int
|
||||
"""
|
||||
while self.running and Syncer.running_global:
|
||||
self.bc_cache.connect()
|
||||
c = RpcClient(self.chain())
|
||||
logg.debug('loop execute')
|
||||
e = self.get(c.w3)
|
||||
logg.debug('got blocks {}'.format(e))
|
||||
for block in e:
|
||||
block_number = self.process(c.w3, block.hex())
|
||||
logg.info('processed block {} {}'.format(block_number, block.hex()))
|
||||
self.bc_cache.disconnect()
|
||||
if len(e) > 0:
|
||||
time.sleep(self.yield_delay)
|
||||
else:
|
||||
time.sleep(interval)
|
||||
logg.info("Syncer no longer set to run, gracefully exiting")
|
||||
@ -1,71 +0,0 @@
|
||||
# standard imports
|
||||
import logging
|
||||
import datetime
|
||||
import time
|
||||
|
||||
# third-party imports
|
||||
import celery
|
||||
|
||||
# local imports
|
||||
from .base import Syncer
|
||||
from cic_eth.eth.rpc import RpcClient
|
||||
from cic_eth.db.enum import StatusEnum
|
||||
from cic_eth.queue.tx import get_status_tx
|
||||
|
||||
logg = logging.getLogger()
|
||||
|
||||
celery_app = celery.current_app
|
||||
|
||||
|
||||
class noop_cache:
|
||||
|
||||
def __init__(self, chain_spec):
|
||||
self.chain_spec = chain_spec
|
||||
|
||||
|
||||
def chain(self):
|
||||
return self.chain_spec
|
||||
|
||||
|
||||
class RetrySyncer(Syncer):
|
||||
|
||||
def __init__(self, chain_spec, stalled_grace_seconds, failed_grace_seconds=None, final_func=None):
|
||||
cache = noop_cache(chain_spec)
|
||||
super(RetrySyncer, self).__init__(cache)
|
||||
if failed_grace_seconds == None:
|
||||
failed_grace_seconds = stalled_grace_seconds
|
||||
self.stalled_grace_seconds = stalled_grace_seconds
|
||||
self.failed_grace_seconds = failed_grace_seconds
|
||||
self.final_func = final_func
|
||||
|
||||
|
||||
def get(self, w3):
|
||||
# before = datetime.datetime.utcnow() - datetime.timedelta(seconds=self.failed_grace_seconds)
|
||||
# failed_txs = get_status_tx(
|
||||
# StatusEnum.SENDFAIL.value,
|
||||
# before=before,
|
||||
# )
|
||||
before = datetime.datetime.utcnow() - datetime.timedelta(seconds=self.stalled_grace_seconds)
|
||||
stalled_txs = get_status_tx(
|
||||
StatusEnum.SENT.value,
|
||||
before=before,
|
||||
)
|
||||
# return list(failed_txs.keys()) + list(stalled_txs.keys())
|
||||
return stalled_txs
|
||||
|
||||
|
||||
def process(self, w3, ref):
|
||||
logg.debug('tx {}'.format(ref))
|
||||
for f in self.filter:
|
||||
f(w3, ref, None, str(self.chain()))
|
||||
|
||||
|
||||
def loop(self, interval):
|
||||
chain_str = str(self.chain())
|
||||
while self.running and Syncer.running_global:
|
||||
c = RpcClient(self.chain())
|
||||
for tx in self.get(c.w3):
|
||||
self.process(c.w3, tx)
|
||||
if self.final_func != None:
|
||||
self.final_func(chain_str)
|
||||
time.sleep(interval)
|
||||
@ -1,43 +0,0 @@
|
||||
# standard imports
|
||||
import logging
|
||||
|
||||
# local imports
|
||||
from cic_eth.sync.head import HeadSyncer
|
||||
from cic_eth.sync.backend import SyncerBackend
|
||||
|
||||
logg = logging.getLogger()
|
||||
|
||||
|
||||
def test_head(
|
||||
init_rpc,
|
||||
init_database,
|
||||
init_eth_tester,
|
||||
mocker,
|
||||
eth_empty_accounts,
|
||||
):
|
||||
|
||||
#backend = SyncBackend(eth_empty_accounts[0], 'foo')
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
backend = SyncerBackend.live('foo:666', block_number)
|
||||
syncer = HeadSyncer(backend)
|
||||
|
||||
#init_eth_tester.mine_block()
|
||||
nonce = init_rpc.w3.eth.getTransactionCount(init_rpc.w3.eth.accounts[0], 'pending')
|
||||
logg.debug('nonce {}'.format(nonce))
|
||||
tx = {
|
||||
'from': init_rpc.w3.eth.accounts[0],
|
||||
'to': eth_empty_accounts[0],
|
||||
'value': 404,
|
||||
'gas': 21000,
|
||||
'gasPrice': init_rpc.w3.eth.gasPrice,
|
||||
'nonce': nonce,
|
||||
}
|
||||
tx_hash_one = init_rpc.w3.eth.sendTransaction(tx)
|
||||
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
backend.set(block_number, 0)
|
||||
b = syncer.get(init_rpc.w3)
|
||||
|
||||
tx = init_rpc.w3.eth.getTransactionByBlock(b[0], 0)
|
||||
|
||||
assert tx.hash.hex() == tx_hash_one.hex()
|
||||
@ -1,194 +0,0 @@
|
||||
# standard imports
|
||||
import logging
|
||||
|
||||
# third-party imports
|
||||
import pytest
|
||||
from web3.exceptions import BlockNotFound
|
||||
from cic_registry import CICRegistry
|
||||
|
||||
# local imports
|
||||
from cic_eth.sync.history import HistorySyncer
|
||||
from cic_eth.sync.head import HeadSyncer
|
||||
#from cic_eth.sync import Syncer
|
||||
from cic_eth.db.models.otx import OtxSync
|
||||
from cic_eth.db.models.base import SessionBase
|
||||
from cic_eth.sync.backend import SyncerBackend
|
||||
|
||||
logg = logging.getLogger()
|
||||
|
||||
class FinishedError(Exception):
|
||||
pass
|
||||
|
||||
|
||||
class DebugFilter:
|
||||
|
||||
def __init__(self, address):
|
||||
self.txs = []
|
||||
self.monitor_to_address = address
|
||||
|
||||
def filter(self, w3, tx, rcpt, chain_spec):
|
||||
logg.debug('sync filter {}'.format(tx['hash'].hex()))
|
||||
if tx['to'] == self.monitor_to_address:
|
||||
self.txs.append(tx)
|
||||
# hack workaround, latest block hash not found in eth_tester for some reason
|
||||
if len(self.txs) == 2:
|
||||
raise FinishedError('intentionally finished on tx {}'.format(tx))
|
||||
|
||||
|
||||
def test_history(
|
||||
init_rpc,
|
||||
init_database,
|
||||
init_eth_tester,
|
||||
#celery_session_worker,
|
||||
eth_empty_accounts,
|
||||
):
|
||||
|
||||
nonce = init_rpc.w3.eth.getTransactionCount(init_rpc.w3.eth.accounts[0], 'pending')
|
||||
logg.debug('nonce {}'.format(nonce))
|
||||
tx = {
|
||||
'from': init_rpc.w3.eth.accounts[0],
|
||||
'to': eth_empty_accounts[0],
|
||||
'value': 404,
|
||||
'gas': 21000,
|
||||
'gasPrice': init_rpc.w3.eth.gasPrice,
|
||||
'nonce': nonce,
|
||||
}
|
||||
tx_hash_one = init_rpc.w3.eth.sendTransaction(tx)
|
||||
|
||||
nonce = init_rpc.w3.eth.getTransactionCount(init_rpc.w3.eth.accounts[0], 'pending')
|
||||
logg.debug('nonce {}'.format(nonce))
|
||||
tx = {
|
||||
'from': init_rpc.w3.eth.accounts[1],
|
||||
'to': eth_empty_accounts[0],
|
||||
'value': 404,
|
||||
'gas': 21000,
|
||||
'gasPrice': init_rpc.w3.eth.gasPrice,
|
||||
'nonce': nonce,
|
||||
}
|
||||
tx_hash_two = init_rpc.w3.eth.sendTransaction(tx)
|
||||
init_eth_tester.mine_block()
|
||||
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
|
||||
live_syncer = SyncerBackend.live('foo:666', 0)
|
||||
HeadSyncer(live_syncer)
|
||||
|
||||
history_syncers = SyncerBackend.resume('foo:666', block_number)
|
||||
|
||||
for history_syncer in history_syncers:
|
||||
logg.info('history syncer start {} target {}'.format(history_syncer.start(), history_syncer.target()))
|
||||
|
||||
backend = history_syncers[0]
|
||||
|
||||
syncer = HistorySyncer(backend)
|
||||
fltr = DebugFilter(eth_empty_accounts[0])
|
||||
syncer.filter.append(fltr.filter)
|
||||
|
||||
logg.debug('have txs {} {}'.format(tx_hash_one.hex(), tx_hash_two.hex()))
|
||||
|
||||
try:
|
||||
syncer.loop(0.1)
|
||||
except FinishedError:
|
||||
pass
|
||||
except BlockNotFound as e:
|
||||
logg.error('the last block given in loop does not seem to exist :/ {}'.format(e))
|
||||
|
||||
check_hashes = []
|
||||
for h in fltr.txs:
|
||||
check_hashes.append(h['hash'].hex())
|
||||
assert tx_hash_one.hex() in check_hashes
|
||||
assert tx_hash_two.hex() in check_hashes
|
||||
|
||||
|
||||
def test_history_multiple(
|
||||
init_rpc,
|
||||
init_database,
|
||||
init_eth_tester,
|
||||
#celery_session_worker,
|
||||
eth_empty_accounts,
|
||||
):
|
||||
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
live_syncer = SyncerBackend.live('foo:666', block_number)
|
||||
HeadSyncer(live_syncer)
|
||||
|
||||
nonce = init_rpc.w3.eth.getTransactionCount(init_rpc.w3.eth.accounts[0], 'pending')
|
||||
logg.debug('nonce {}'.format(nonce))
|
||||
tx = {
|
||||
'from': init_rpc.w3.eth.accounts[0],
|
||||
'to': eth_empty_accounts[0],
|
||||
'value': 404,
|
||||
'gas': 21000,
|
||||
'gasPrice': init_rpc.w3.eth.gasPrice,
|
||||
'nonce': nonce,
|
||||
}
|
||||
tx_hash_one = init_rpc.w3.eth.sendTransaction(tx)
|
||||
|
||||
|
||||
init_eth_tester.mine_block()
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
history_syncers = SyncerBackend.resume('foo:666', block_number)
|
||||
for history_syncer in history_syncers:
|
||||
logg.info('halfway history syncer start {} target {}'.format(history_syncer.start(), history_syncer.target()))
|
||||
live_syncer = SyncerBackend.live('foo:666', block_number)
|
||||
HeadSyncer(live_syncer)
|
||||
|
||||
nonce = init_rpc.w3.eth.getTransactionCount(init_rpc.w3.eth.accounts[0], 'pending')
|
||||
logg.debug('nonce {}'.format(nonce))
|
||||
tx = {
|
||||
'from': init_rpc.w3.eth.accounts[1],
|
||||
'to': eth_empty_accounts[0],
|
||||
'value': 404,
|
||||
'gas': 21000,
|
||||
'gasPrice': init_rpc.w3.eth.gasPrice,
|
||||
'nonce': nonce,
|
||||
}
|
||||
tx_hash_two = init_rpc.w3.eth.sendTransaction(tx)
|
||||
|
||||
init_eth_tester.mine_block()
|
||||
block_number = init_rpc.w3.eth.blockNumber
|
||||
history_syncers = SyncerBackend.resume('foo:666', block_number)
|
||||
live_syncer = SyncerBackend.live('foo:666', block_number)
|
||||
HeadSyncer(live_syncer)
|
||||
|
||||
for history_syncer in history_syncers:
|
||||
logg.info('history syncer start {} target {}'.format(history_syncer.start(), history_syncer.target()))
|
||||
|
||||
assert len(history_syncers) == 2
|
||||
|
||||
backend = history_syncers[0]
|
||||
syncer = HistorySyncer(backend)
|
||||
fltr = DebugFilter(eth_empty_accounts[0])
|
||||
syncer.filter.append(fltr.filter)
|
||||
try:
|
||||
syncer.loop(0.1)
|
||||
except FinishedError:
|
||||
pass
|
||||
except BlockNotFound as e:
|
||||
logg.error('the last block given in loop does not seem to exist :/ {}'.format(e))
|
||||
|
||||
check_hashes = []
|
||||
for h in fltr.txs:
|
||||
check_hashes.append(h['hash'].hex())
|
||||
assert tx_hash_one.hex() in check_hashes
|
||||
|
||||
|
||||
backend = history_syncers[1]
|
||||
syncer = HistorySyncer(backend)
|
||||
fltr = DebugFilter(eth_empty_accounts[0])
|
||||
syncer.filter.append(fltr.filter)
|
||||
try:
|
||||
syncer.loop(0.1)
|
||||
except FinishedError:
|
||||
pass
|
||||
except BlockNotFound as e:
|
||||
logg.error('the last block given in loop does not seem to exist :/ {}'.format(e))
|
||||
|
||||
check_hashes = []
|
||||
for h in fltr.txs:
|
||||
check_hashes.append(h['hash'].hex())
|
||||
assert tx_hash_two.hex() in check_hashes
|
||||
|
||||
history_syncers = SyncerBackend.resume('foo:666', block_number)
|
||||
|
||||
assert len(history_syncers) == 0
|
||||
@ -1,79 +0,0 @@
|
||||
# third-party imports
|
||||
import pytest
|
||||
|
||||
# local imports
|
||||
from cic_eth.db.models.sync import BlockchainSync
|
||||
from cic_eth.sync.backend import SyncerBackend
|
||||
|
||||
|
||||
def test_scratch(
|
||||
init_database,
|
||||
):
|
||||
|
||||
with pytest.raises(ValueError):
|
||||
s = SyncerBackend('Testchain:666', 13)
|
||||
|
||||
syncer = SyncerBackend.live('Testchain:666', 13)
|
||||
|
||||
s = SyncerBackend('Testchain:666', syncer.object_id)
|
||||
|
||||
|
||||
|
||||
def test_live(
|
||||
init_database,
|
||||
):
|
||||
|
||||
s = SyncerBackend.live('Testchain:666', 13)
|
||||
|
||||
s.connect()
|
||||
assert s.db_object.target() == None
|
||||
s.disconnect()
|
||||
|
||||
assert s.get() == (13, 0)
|
||||
|
||||
s.set(14, 1)
|
||||
assert s.get() == (14, 1)
|
||||
|
||||
|
||||
def test_resume(
|
||||
init_database,
|
||||
):
|
||||
|
||||
live = SyncerBackend.live('Testchain:666', 13)
|
||||
live.set(13, 2)
|
||||
|
||||
resumes = SyncerBackend.resume('Testchain:666', 26)
|
||||
|
||||
assert len(resumes) == 1
|
||||
resume = resumes[0]
|
||||
|
||||
assert resume.get() == (13, 2)
|
||||
|
||||
resume.set(13, 4)
|
||||
assert resume.get() == (13, 4)
|
||||
assert resume.start() == (13, 2)
|
||||
assert resume.target() == 26
|
||||
|
||||
|
||||
def test_unsynced(
|
||||
init_database,
|
||||
):
|
||||
|
||||
live = SyncerBackend.live('Testchain:666', 13)
|
||||
live.set(13, 2)
|
||||
|
||||
resumes = SyncerBackend.resume('Testchain:666', 26)
|
||||
live = SyncerBackend.live('Testchain:666', 26)
|
||||
resumes[0].set(18, 12)
|
||||
|
||||
resumes = SyncerBackend.resume('Testchain:666', 42)
|
||||
|
||||
assert len(resumes) == 2
|
||||
|
||||
assert resumes[0].start() == (13, 2)
|
||||
assert resumes[0].get() == (18, 12)
|
||||
assert resumes[0].target() == 26
|
||||
|
||||
assert resumes[1].start() == (26, 0)
|
||||
assert resumes[1].get() == (26, 0)
|
||||
assert resumes[1].target() == 42
|
||||
Loading…
Reference in New Issue
Block a user