def term_proc(proc, term_wait_time=3):
global pid_to_procs
if proc.poll() is None:
LOG.debug(
"Terminating process %i and waiting up to %i seconds for it to end...",
proc.pid,
term_wait_time,
)
proc.terminate()
try:
proc.wait(term_wait_time)
except TimeoutExpired:
pass
if proc.poll() is None:
LOG.warning(
"Process %i didn't terminate. Killing process and waiting until process exits...",
proc.pid,
)
proc.kill()
proc.wait()
if proc.stdout:
proc.stdout.close()
if proc.stderr:
proc.stder.close()
if proc.stdin:
proc.stdin.close()
assert proc.poll(
) is not None, "Proc %i didn't terminate properly" % proc.pid
LOG.debug("Process %i terminated with %i", proc.pid, proc.poll())
def get_most_profitable_miner(self):
LOG.debug("Finding most profitable algo...")
algo_info = self._get_algo_info()
algo_info = self._filter_blacklisted_algos_from_algo_info(algo_info)
algo_to_miners = self._create_miners_for_algo_info(algo_info)
algo_to_benchmarks = self._get_benchmarks(algo_to_miners)
best_algo = self._get_most_profitable_algo(algo_info, algo_to_benchmarks)
return algo_to_miners[best_algo]
def stop_mining_and_return_when_stopped(self):
LOG.debug("Terminating ccminer (%s)...", self.algo)
term_proc(self.miner_proc)
LOG.debug("Terminating logging thread for ccminer (%s)...", self.algo)
self.logger_thread.join()
self.miner_proc = None
self.logger_thread = None
def _get_algo_info(self):
LOG.debug("Fetching currency info...")
d = list(
list(
Fetcher.fetch_json_api(
"https://api.nicehash.com/api?method=simplemultialgo.info"
).values())[0].values())[0]
return self._to_algo_info(d)
def start():
try:
_parse_args_and_start_mining()
except SystemExit as ex:
raise ex
except Exception:
LOG.exception("Uncaught exception caused a program crash!")
LOG.debug("Exiting...")
sys.exit(1)
def get_most_profitable_miner(self):
if self._calc_all_algo_data_sources:
curr_src = self._algo_data_source
other_src = "currency" if curr_src == "algo" else "algo"
LOG.debug("Switching to source \"%s\"..." % other_src)
self._algo_data_source = other_src
super().get_most_profitable_miner()
LOG.debug("Reverting to source \"%s\"..." % curr_src)
self._algo_data_source = curr_src
return super().get_most_profitable_miner()
def add_rate(self, rate):
LOG.debug("Rate added: %s...", rate)
if len(self._rates) > 0:
if rate > self._rates[-1]:
self._direction.append(1)
elif rate == self._rates[-1]:
self._direction.append(0.5)
else:
self._direction.append(0)
self._rates.append(rate)
def _stdout_printer(stdout, name, share_cond, algo):
for line in stdout:
line = line.decode("UTF-8").strip()
if "booooo" in line or "yes!" in line:
share_cond.acquire()
share_cond.notify_all()
share_cond.release()
speed = line.split(",")[-1].rpartition(" ")[0].strip()
LOG.share(algo, "yes!" in line, Rate(speed))
LOG.debug(line)
def _get_most_profitable_algo(self, algo_info, algo_to_benchmarks):
def _get_prof(a):
return algo_to_benchmarks[a.algo].get_mbtc_per_day(a.prof_str)
sorted_algo_info = sorted(
[a for a in algo_info if a.algo in algo_to_benchmarks],
key=_get_prof,
reverse=True,
)
for a in sorted_algo_info:
LOG.debug(" Profitability of %s = %s mBTC / day", a.algo, _get_prof(a))
return sorted_algo_info[0].algo
def start_proc(cmd, pipe_stdout=False, preexec_fn=None):
global pid_to_procs
kwargs = {}
if pipe_stdout:
kwargs["stdout"] = PIPE
if preexec_fn:
kwargs["preexec_fn"] = preexec_fn
p = Popen(cmd.split(" "), **kwargs)
procs.append(p)
LOG.debug("Started \"%s\" with pid of %i", cmd, p.pid)
return p
def _create_miners_for_algo_info(self, algo_info):
LOG.debug("Prepping miners...")
miners = {}
algo_to_info = {a.algo: a for a in algo_info}
supported_algos = get_supported_algos() & set(algo_to_info.keys())
for algo in supported_algos:
url = algo_to_info[algo].url
port = algo_to_info[algo].port
password = self._generate_password(algo)
miners[algo] = get_miner_for_algo(algo, url, port, self._wallet, password)
return miners
def _wait(current_miner):
start_time = time()
LOG.debug("Sleeping for %i seconds...", MiningMonitor.CHECK_INTERVAL)
# We have to busy wait because of some complex exit scenarios.
while time(
) < start_time + MiningMonitor.CHECK_INTERVAL and current_miner.is_mining(
):
if MiningMonitor._exit_status is not None:
LOG.debug("Exiting program with status %i...",
MiningMonitor._exit_status)
sys.exit(MiningMonitor._exit_status)
sleep(0.01)
def mine(mining_group):
LOG.info("Starting miner for \033[92m%s\033[0m!", mining_group)
current_miner = None
while True:
LOG.debug("Finding most profitable miner for \033[92m%s\033[0m...",
mining_group)
best_miner = mining_group.get_most_profitable_miner()
LOG.debug("Found best miner: \033[92m%s\033[0m!", best_miner)
if best_miner != current_miner:
LOG.info("Switching to \033[92m%s\033[0m...", best_miner)
MiningMonitor.switch_miner_and_return_when_started(
best_miner, current_miner)
current_miner = best_miner
LOG.info("Switch complete! Shares incoming...")
MiningMonitor._check_file_descriptors()
MiningMonitor._wait(current_miner)
def benchmark(self):
cmd = self._get_run_cmd(self.path_to_exec,
self.algo,
"",
"",
"",
"",
kwargs={
"--benchmark": "",
"--no-color": ""
})
LOG.debug("Benchmarking \033[92m%s\033[0m...", self.algo)
cache_key = "BENCHHR%s" % (cmd)
cached_benchmark = MinerStore.get(cache_key)
if cached_benchmark:
b = Rate(cached_benchmark)
LOG.debug("Benchmark found in cache: %s!", b)
return b
LOG.info("Benchmark not found for \033[92m%s\033[0m. Benchmarking...",
self.algo)
bench_proc = start_proc(cmd, pipe_stdout=True)
bm = Benchmarker()
for line in bench_proc.stdout:
line = line.strip().decode("UTF-8")
if "Total:" in line:
r = Rate(line.split(":")[-1].strip())
bm.add_rate(r)
final_hashrate = bm.get_benchmark()
if final_hashrate:
break
term_proc(bench_proc)
MinerStore.set(cache_key, str(final_hashrate))
LOG.info("Benchmark found: %s!", final_hashrate)
return final_hashrate
def fetch_json_api(url, use_cache_on_failure=False):
LOG.debug("Fetching %s...", url)
num_tries = 0
while True:
resp_json = Fetcher._try_fetching_resp(url)
LOG.debug("Response from %s: %s", url, resp_json)
if resp_json:
Fetcher._cache[url] = resp_json
return resp_json
elif use_cache_on_failure and url in Fetcher._cache:
LOG.warn(
"Bad response from '%s\'! Falling back to cache...\033[0m\n",
url)
return Fetcher._cache[url]
num_tries += 1
sleep_time = min(2**num_tries - 1, Fetcher._MAX_WAIT)
LOG.warning(
"Bad response from '%s\'! Backing off for %i second(s)...",
url, sleep_time)
sleep(sleep_time)
def term_all_procs(term_wait_time=1):
global procs
LOG.debug("Terminating all processes...")
for p in procs:
if p.poll() is None:
term_proc(p, term_wait_time=term_wait_time)
def _get_benchmarks(self, algo_to_miners):
LOG.debug("Loading benchmarks from cache...")
return {algo: miner.benchmark() for algo, miner in algo_to_miners.items()}
def _signal_handler(signum, frame):
LOG.debug('Signal handler called with signal %i', signum)
term_all_procs()
os._exit(128 + signum)
def _get_algo_info_from_algos(self):
LOG.debug("Fetching algo info...")
return self._status_to_algo_info(
list(
Fetcher.fetch_json_api(
"http://www.zpool.ca/api/status").values()))
def _get_algo_info_from_currencies(self):
LOG.debug("Fetching currency info...")
return self._currency_to_algo_info(
list(
Fetcher.fetch_json_api(
"http://www.zpool.ca/api/currencies").values()))
