def run(self):
_time_start = time()
logging.debug(
"solve(): %04d-%06d: solving for %s, current parent is %s",
self.client_id,
self.attempt,
self.difficulty[:10],
self.git_parent_id,
)
commit = Commit()
commit.tree = self.git_tree_id
commit.parents = [self.git_parent_id]
author = "Rivo Laks <*****@*****.**>"
commit.author = commit.committer = author
commit.commit_time = commit.author_time = int(time())
tz = parse_timezone("+0200")[0]
commit.commit_timezone = commit.author_timezone = tz
commit_message_template = " Give me a Gitcoin %04d-%06d-%09x"
commit.message = commit_message_template % (self.client_id, self.attempt, 1)
hash_src = commit._header()
for chunk in commit.as_raw_chunks():
hash_src += chunk
# Cut out the iteration number at the end which is 9 bytes
hash_src = hash_src[:-9]
assert len(hash_src) == 256
_time_loop = time()
i = 0
block_size = 120000
while not self.should_stop:
sleep(0.001)
# hasher.solve() returns either None, or the iteration number, if that iteration seems to match.
result = hasher.solve(bytearray(hash_src), i, i + block_size, self.difficulty)
if result is not None:
logging.info("Hasher found something: %s", result)
i = result
else:
i += block_size
continue
commit_tail = "%09x" % i
commit_id = hashlib.sha1(hash_src + commit_tail).hexdigest()
if commit_id < self.difficulty:
logging.info("#" * 120)
logging.info(" S U C C E S S ! ! !")
logging.info(
"solve(): %04d-%06d-%09x: SUCCESS: found %s / %s",
self.client_id,
self.attempt,
i,
commit_id,
self.difficulty[:10],
)
logging.info("#" * 120)
commit.message = commit_message_template % (self.client_id, self.attempt, i)
assert commit.id == commit_id
commit_body = "".join(commit._serialize())
# print commit.id, commit_id
# print "'%s'" % commit_body
# print "'%s'" % ''.join(hash_src + commit_tail)
logging.debug("Commit body is: '%s'", commit_body)
# subprocess.Popen('git hash-object -t commit --stdin -w'.split(), stdin=subprocess.PIPE,
# stdout=subprocess.PIPE).communicate(commit_body)
# subprocess.check_output(('git reset --hard %s' % commit.id).split())
self.socket.sendall("C %40s %40s %5d\n" % (self.git_parent_id, commit_id, len(commit_body)))
self.socket.sendall(commit_body + "\n")
return True
else:
print "!" * 120
print "ERROR!!!"
print "hashes don't match, mine is", commit_tail, commit_id
_time_end = time()
speed_mh_s = i / 1000000.0 / (_time_end - _time_loop) if i > 0 else 0
logging.debug(
"solve(): %04d-%06d: stopped with %d iterations, speed was %.3f MH/s + %.3f ms startup",
self.client_id,
self.attempt,
i,
speed_mh_s,
(_time_loop - _time_start) * 1000,
)
return False
