def _run(self):
nonce = random.randint(0, TT64M1)
while not self.is_stopped:
log_sub.debug('starting mining round')
st = time.time()
bin_nonce, mixhash = mine(self.block_number,
self.difficulty,
self.mining_hash,
start_nonce=nonce,
rounds=self.rounds)
elapsed = time.time() - st
if bin_nonce:
log_sub.debug('nonce found')
self.nonce_callback(bin_nonce, mixhash, self.mining_hash)
break
delay = elapsed * (1 - self.cpu_pct / 100.)
hashrate = int(self.rounds // (elapsed + delay))
self.hashrate_callback(hashrate)
log_sub.debug('sleeping',
delay=delay,
elapsed=elapsed,
rounds=self.rounds)
gevent.sleep(delay + 0.001)
nonce += self.rounds
# adjust
adjust = elapsed / self.max_elapsed
self.rounds = int(self.rounds / adjust)
log_sub.debug('mining task finished', is_stopped=self.is_stopped)
def mine_next_block(self):
"""Mine until a valid nonce is found.
:returns: the new head
"""
log.debug('mining next block')
block = self.services.chain.chain.head_candidate
delta_nonce = 10**6
for start_nonce in count(0, delta_nonce):
bin_nonce, mixhash = mine(block.number, block.difficulty, block.mining_hash,
start_nonce=start_nonce, rounds=delta_nonce)
if bin_nonce:
break
self.services.pow.recv_found_nonce(bin_nonce, mixhash, block.mining_hash)
log.debug('block mined')
return self.services.chain.chain.head
def mine_next_block(self):
"""Mine until a valid nonce is found.
:returns: the new head
"""
log.debug('mining next block')
block = self.services.chain.chain.head_candidate
delta_nonce = 10**6
for start_nonce in count(0, delta_nonce):
bin_nonce, mixhash = mine(block.number, block.difficulty, block.mining_hash,
start_nonce=start_nonce, rounds=delta_nonce)
if bin_nonce:
break
self.services.pow.recv_found_nonce(bin_nonce, mixhash, block.mining_hash)
log.debug('block mined')
return self.services.chain.chain.head
def _run(self):
nonce = random.randint(0, TT64M1)
while not self.is_stopped:
log_sub.trace('starting mining round')
st = time.time()
bin_nonce, mixhash = mine(self.block_number, self.difficulty, self.mining_hash,
start_nonce=nonce, rounds=self.rounds)
elapsed = time.time() - st
if bin_nonce:
log_sub.info('nonce found')
self.nonce_callback(bin_nonce, mixhash, self.mining_hash)
break
delay = elapsed * (1 - self.cpu_pct / 100.)
hashrate = int(self.rounds // (elapsed + delay))
self.hashrate_callback(hashrate)
log_sub.trace('sleeping', delay=delay, elapsed=elapsed, rounds=self.rounds)
gevent.sleep(delay + 0.001)
nonce += self.rounds
# adjust
adjust = elapsed / self.max_elapsed
self.rounds = int(self.rounds / adjust)
log_sub.debug('mining task finished', is_stopped=self.is_stopped)
