def _stratum_deferred_resolve(self, tx: Transaction, request: Request) -> None:
""" Method called after stratum resolves tx proof of work
We remove the mining data of this tx on stratum and start a new thread to verify the tx
"""
funds_hash = tx.get_funds_hash()
tx = self.manager.stratum_factory.mined_txs[funds_hash]
# Delete it to avoid memory leak
del(self.manager.stratum_factory.mined_txs[funds_hash])
deferred = threads.deferToThreadPool(reactor, self.manager.pow_thread_pool, self._stratum_thread_verify, tx)
deferred.addCallback(self._cb_tx_resolve, request)
deferred.addErrback(self._err_tx_resolve, request)
def mine_transaction(self, tx: Transaction, deferred: Deferred) -> None:
"""
Puts the transaction in a queue of transactions to be mined via Stratum protocol.
"""
self.log.info('mine transaction', tx=tx)
tx_hash = tx.get_funds_hash()
if tx_hash in self.mining_tx_pool:
self.log.warn('tried to mine a transaction twice or a twin')
return
self.mining_tx_pool[tx_hash] = tx
self.tx_queue.append(tx_hash)
self.deferreds_tx[tx_hash] = deferred
