def main():
CONFIG = lib.get_config()
LOGGER = lib.get_logger(PROCESS)
LOGGER.warn("=== Starting {}".format(PROCESS))
# Connect to DB
database = lib.get_db()
atexit.register(lib.teardown_db)
check_interval = float(CONFIG[PROCESS]["check_interval"])
avg_over_range = int(CONFIG[PROCESS]["avg_over_range"])
# Find the height of the latest stats record
last_height = 0
latest_stat = Grin_stats.get_latest()
print("latest_stat = {}".format(latest_stat))
if latest_stat == None:
LOGGER.warn("Initializing Grin_stats")
grinstats.initialize(avg_over_range, LOGGER)
latest_stat = Grin_stats.get_latest()
print("Finished initializing, latest_stat height = {}".format(
latest_stat.height))
last_height = latest_stat.height
height = last_height + 1
LOGGER.warn(
"grinStats service starting at block height: {}".format(height))
# Generate grin stats records - one per grin block
while True:
#latest_db_block = Blocks.get_latest()
latest = Blocks.get_latest().height
while latest >= height:
try:
new_stats = grinstats.calculate(height, avg_over_range)
# Batch new stats when possible, but commit at reasonable intervals
database.db.getSession().add(new_stats)
# if( (height % BATCHSZ == 0) or (height >= (latest-10)) ):
database.db.getSession().commit()
LOGGER.warn(
"Added Grin_stats for block: {} - gps:{} diff:{}".format(
new_stats.height, new_stats.gps, new_stats.difficulty))
height = height + 1
except AssertionError as e:
LOGGER.error("Something went wrong: {}".format(e))
sleep(check_interval)
sys.stdout.flush()
sleep(check_interval)
LOGGER.warn("=== Completed {}".format(PROCESS))
def get(self, height=None, range=None, fields=None):
LOGGER = lib.get_logger(PROCESS)
LOGGER.warn("GrinAPI_stats get height:{} range:{} fields:{}".format(
height, range, fields))
fields = lib.fields_to_list(fields)
if height is None or height == 0:
stats = Grin_stats.get_latest(range)
else:
stats = Grin_stats.get_by_height(height, range)
#pp.pprint(stats)
if range == None:
if stats is None:
return None
return stats.to_json(fields)
else:
st = []
for stat in stats:
st.append(stat.to_json(fields))
return st