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Add betutils - betting games related functions
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moneromooo
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1 changed files with 193 additions and 0 deletions
193
tipbot/betutils.py
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193
tipbot/betutils.py
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#!/bin/python
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#
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# Cryptonote tipbot - bet utils
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# Copyright 2015 moneromooo
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#
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# The Cryptonote tipbot is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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import random
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import hashlib
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import time
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import tipbot.coinspecs as coinspecs
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from utils import *
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def IsBetAmountValid(amount,minbet,maxbet,potential_loss,max_loss,max_loss_ratio):
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try:
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amount = float(amount)
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except Exception,e:
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return False, "Invalid amount"
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units=long(amount*coinspecs.atomic_units)
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if units <= 0:
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return False, "Invalid amount"
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if amount > maxbet:
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return False, "Max bet is %s" % AmountToString(maxbet * coinspecs.atomic_units)
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if amount < minbet:
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return False, "Min bet is %s" % AmountToString(minbet * coinspecs.atomic_units)
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if potential_loss > max_loss:
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return False, "Max potential loss is %s" % AmountToString(max_loss * coinspecs.atomic_units)
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try:
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house_balance = RetrieveHouseBalance()
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except Exception,e:
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log_error('Failed to get house balance: %s' % str(e))
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return False, "Failed to get house balance"
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max_floating_loss = max_loss_ratio * house_balance / coinspecs.atomic_units
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if potential_loss > max_floating_loss:
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return False, "Potential loss too large for house balance"
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return True, None
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def IsPlayerBalanceAtLeast(nick,units):
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try:
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balance = redis_hget("balances",nick)
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if balance == None:
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balance = 0
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balance=long(balance)
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if units > balance:
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log_error ('%s does not have enough balance' % nick)
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return False, "You only have %s" % (AmountToString(balance))
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except Exception,e:
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log_error ('failed to query balance')
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return False, "Failed to query balance"
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return True, None
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def SetServerSeed(nick,game,seed):
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try:
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redis_hset('%s:serverseed' % game,nick,seed)
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log_info('%s\'s %s serverseed set to %s' % (nick, game, seed))
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except Exception,e:
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log_error('Failed to set %s server seed for %s: %s' % (game, nick, str(e)))
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raise
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def GetServerSeed(nick,game):
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EnsureServerSeed(nick,game)
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try:
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return redis_hget('%s:serverseed' % game,nick)
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except Exception,e:
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log_error('Failed to get %s server seed for %s: %s' % (game, nick, str(e)))
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raise
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def GenerateServerSeed(nick,game):
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try:
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salt="kfn3kjg4nkngvekjvn3u4vgb" + ":" + game
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s=salt+":"+nick+":"+str(time.time())+":"+str(random.randint(0,1000000))
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seed=hashlib.sha256(s).hexdigest()
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SetServerSeed(nick,game,seed)
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except Exception,e:
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log_error('Failed to generate %s server seed for %s: %s' % (game,nick,str(e)))
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raise
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def EnsureServerSeed(nick,game):
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if not redis_hexists('%s:serverseed' % game,nick):
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GenerateServerSeed(nick,game)
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def SetPlayerSeed(nick,game,seed):
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try:
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redis_hset('%s:playerseed' % game,nick,seed)
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log_info('%s\'s %s playerseed set to %s' % (nick, game, seed))
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except Exception,e:
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log_error('Failed to set %s player seed for %s: %s' % (game, nick, str(e)))
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raise
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def GetPlayerSeed(nick,game):
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try:
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if not redis_hexists('%s:playerseed' % game,nick):
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return ""
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return redis_hget('%s:playerseed' % game,nick)
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except Exception,e:
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log_error('Failed to get %s player seed for %s: %s' % (game, nick, str(e)))
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raise
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def GetServerSeedHash(nick,game):
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seed = GetServerSeed(nick,game)
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return hashlib.sha256(seed).hexdigest()
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def RecordGameResult(nick,chan,game,win,lose,units):
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try:
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p = redis_pipeline()
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tname="%s:stats:"%game+nick
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rtname="%s:stats:reset:"%game+nick
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alltname="%s:stats:"%game
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p.hincrby(tname,"bets",1)
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p.hincrby(rtname,"bets",1)
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p.hincrby(alltname,"bets",1)
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p.hincrby(tname,"wagered",units)
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p.hincrby(rtname,"wagered",units)
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p.hincrby(alltname,"wagered",units)
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if win:
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p.hincrby("balances",nick,units)
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p.hincrby(tname,"won",units)
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p.hincrby(rtname,"won",units)
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p.hincrby(alltname,"won",units)
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p.hincrby(tname,"nwon",1)
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p.hincrby(rtname,"nwon",1)
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p.hincrby(alltname,"nwon",1)
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if lose:
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p.hincrby("balances",nick,-units)
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p.hincrby(tname,"lost",units)
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p.hincrby(rtname,"lost",units)
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p.hincrby(alltname,"lost",units)
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p.hincrby(tname,"nlost",1)
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p.hincrby(rtname,"nlost",1)
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p.hincrby(alltname,"nlost",1)
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p.execute()
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except Exception,e:
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log_error('RecordGameResult: exception updating redis: %s' % str(e))
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raise
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def ShowGameStats(sendto,snick,title,game):
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tname="%s:stats:"%game+snick
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try:
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bets=redis_hget(tname,"bets")
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wagered=redis_hget(tname,"wagered")
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won=redis_hget(tname,"won")
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lost=redis_hget(tname,"lost")
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nwon=redis_hget(tname,"nwon")
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nlost=redis_hget(tname,"nlost")
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except Exception,e:
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log_error('Failed to retrieve %s stats for %s: %s' % (game, title, str(e)))
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SendTo(sendto,"An error occured")
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return
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if not bets:
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SendTo(sendto,"No %s stats available for %s" % (game,title))
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return
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bets = long(bets)
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wagered = long(wagered)
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won = long(won or 0)
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lost = long(lost or 0)
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nwon = long(nwon or 0)
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nlost = long(nlost or 0)
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if bets==0:
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SenTo(sendto,"No %s stats available for %s" % (game,title))
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return
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swagered = AmountToString(wagered)
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savg = AmountToString(wagered / bets)
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swon = AmountToString(won)
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slost = AmountToString(lost)
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if won >= lost:
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sov = "+" + AmountToString(won-lost)
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else:
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sov = "-" + AmountToString(lost-won)
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SendTo(sendto,"%s: %d games %d won, %d lost, %s wagered (average %s per game), %s won, %s lost, overall %s" % (title, bets, nwon, nlost, swagered, savg, swon, slost, sov))
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def ResetGameStats(sendto,snick,game):
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try:
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p = redis_pipeline()
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tname="%s:stats:reset:"%game+snick
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bets=p.hset(tname,"bets",0)
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wagered=p.hset(tname,"wagered",0)
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won=p.hset(tname,"won",0)
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lost=p.hset(tname,"lost",0)
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nwon=p.hset(tname,"nwon",0)
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nlost=p.hset(tname,"nlost",0)
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p.execute()
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SendTo(sendto,"%s stats reset for %s" % (game,snick))
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except Exception,e:
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log_error('Error resetting %s stats for %s: %s' % (game,snick,str(e)))
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raise
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