Leaderboard - Game of Zone Phase 1b

leaderboard.py

# Dependencies:
# python3
# pip3 install --upgrade requests
# pip3 install 'python-dateutil>=2.7.0,<2.9.9' --force-reinstall
 
import json
import requests
import time
import socket
import time
import datetime
import dateutil
import dateutil.parser
from datetime import datetime, timezone
 
print(f"GoZ Phase 1b scoreboard")
 
f = requests.get("https://goz.bitsong.network/api/clients?_limit=2000")
time_now = datetime.utcnow()
stats = json.loads(f.text)
 
game_start = dateutil.parser.isoparse("2020-05-18T07:00:00.000Z").replace(tzinfo=None)
 
eligiblePlayers=[]
for stat in stats:
    created_at=dateutil.parser.isoparse(stat["createdAt"]).replace(tzinfo=None)
 
    # player is out of the game if disconnected even once
    # (because there already exist palyers with trust above 71h that are eligable to be scored)
    if created_at > game_start:
        continue
 
    # assume that client connected == client updated at least at the time when connection was initiated
    updated_at=dateutil.parser.isoparse(stat.get("updatedAt", stat["createdAt"])).replace(tzinfo=None)
    session_duration=(time_now - updated_at).total_seconds() # how much time passed since last update
    trusting = int(stat["trusting_period"][:-9]) # how ofthen the update must be made (trim zeros from nanoseconds)
 
    if trusting < session_duration: # player is out of the game if more time passed then trusting period
        continue
 
    eligiblePlayers.append(stat) # collect all eligible players
 
# sort players by trusting period (trim nanoseconds in case they do not fit in the integer value range)
eligiblePlayers = sorted(eligiblePlayers, key=lambda k: int(k['trusting_period'][:-9]))
 
# leaderboard should contain only unique competitors
position=0
distinctPlayers=[]
print(f"#TOP\t| CHAIN ID\t| TRUST PERIOD") # print header
for player in eligiblePlayers:
    chain_id = player["chain_id"]
    if any(p["chain_id"] == chain_id for p in distinctPlayers): # remove already added players
        continue
    distinctPlayers.append(player)
    position = position + 1
    trusting = int(player["trusting_period"][:-9]) # how ofthen the uc must be made
    print(f"#{position}\t| {chain_id}\t| {trusting}s")