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https://git.wownero.com/wownero/tippero.git
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Add dice module
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moneromooo
parent
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commit
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2 changed files with 318 additions and 0 deletions
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@ -40,4 +40,11 @@ admins = ["moneromooo", "moneromoo"]
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# list of nicks to ignore for rains - bots, trolls, etc
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no_rain_to_nicks = []
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dice_edge = 0.01
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dice_max_bet = 5
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dice_min_bet = 0.001
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# how much are we prepared to lose
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dice_max_loss = 10
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# how much are we prepared to lose as a ratio of our current pot
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dice_max_loss_ratio = 0.05
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311
tipbot/modules/dice.py
Normal file
311
tipbot/modules/dice.py
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@ -0,0 +1,311 @@
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#!/bin/python
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#
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# Cryptonote tipbot - dice commands
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# Copyright 2014,2015 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 sys
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import os
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import redis
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import hashlib
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import time
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import string
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import random
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import tipbot.config as config
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from tipbot.log import log_error, log_warn, log_info, log_log
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import tipbot.coinspecs as coinspecs
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from tipbot.utils import *
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from tipbot.ircutils import *
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from tipbot.command_manager import *
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from tipbot.redisdb import *
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from tipbot.betutils import *
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def GetHouseBalance(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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try:
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balance = RetrieveHouseBalance()
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except Exception,e:
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log_error('Failed to retrieve house balance: %s' % str(e))
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SendTo(sendto, 'An error occured')
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return
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SendTo(sendto, 'House balance: %s' % AmountToString(balance))
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def Roll(nick):
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try:
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if redis_hexists('dice:rolls',nick):
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rolls = redis_hget('dice:rolls',nick)
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rolls = long(rolls) + 1
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else:
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rolls = 1
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except Exception,e:
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log_error('Failed to prepare roll for %s: %s' % (nick, str(e)))
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raise
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try:
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s = GetServerSeed(nick,'dice') + ":" + GetPlayerSeed(nick,'dice') + ":" + str(rolls)
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sh = hashlib.sha256(s).hexdigest()
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roll = float(long(sh[0:8],base=16))/0x100000000
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return rolls, roll
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except Exception,e:
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log_error('Failed to roll for %s: %s' % (nick,str(e)))
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raise
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def Dice(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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try:
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amount=float(cmd[1])
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units=long(amount*coinspecs.atomic_units)
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multiplier = float(cmd[2])
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except Exception,e:
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SendTo(sendto, "Usage: dice amount multiplier")
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return
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if multiplier < 0.1 or multiplier > 10:
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SendTo(sendto, "Invalid multiplier: should be between 0.1 and 10")
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return
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log_info("Dice: %s wants to bet %s at x%f" % (nick, AmountToString(units), multiplier))
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potential_loss = amount * multiplier
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valid,reason = IsBetAmountValid(amount,config.dice_min_bet,config.dice_max_bet,potential_loss,config.dice_max_loss,config.dice_max_loss_ratio)
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if not valid:
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log_info("Dice: %s's bet refused: %s" % (nick, reason))
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SendTo(sendto, "%s: %s" % (nick, reason))
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return
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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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SendTo(sendto, "You only have %s" % (AmountToString(balance)))
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return
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except Exception,e:
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log_error ('failed to query balance')
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SendTo(sendto, "Failed to query balance")
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return
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try:
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rolls, roll = Roll(nick)
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except:
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SendTo(sendto,"An error occured")
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return
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target = (1 - config.dice_edge) / (1+multiplier)
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log_info("Dice: %s's #%d roll: %.16g, target %.16g" % (nick, rolls, roll, target))
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lose_units = units
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win_units = long(units * multiplier)
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log_log('units %s, multiplier %f, edge %f, lose_units %s, win_units %s' % (AmountToString(units), multiplier, config.dice_edge, AmountToString(lose_units), AmountToString(win_units)))
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win = roll <= target
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if win:
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msg = "%s wins %s on roll #%d! %.16g <= %.16g" % (nick, AmountToString(win_units), rolls, roll, target)
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else:
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msg = "%s loses %s on roll #%d. %.16g > %.16g" % (nick, AmountToString(lose_units), rolls, roll, target)
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try:
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RecordGameResult(nick,chan,"dice",win,not win,win_units if win else lose_units)
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except:
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return
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redis_hset("dice:rolls",nick,rolls)
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SendTo(nick, "%s" % msg)
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def ShowDiceStats(sendto,snick,title):
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return ShowGameStats(sendto,snick,title,"dice")
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def GetDiceStats(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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snick = GetParam(cmd,1)
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if snick and snick != nick:
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if not IsAdmin(nick):
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log_error('%s is not admin, cannot see dice stats for %s' % (nick, snick))
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SendTo(sendto,'Access denied')
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return
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else:
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snick=nick
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ShowDiceStats(sendto,snick,snick)
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ShowDiceStats(sendto,"reset:"+snick,'%s since reset' % snick)
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ShowDiceStats(sendto,'','overall')
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def ResetDiceStats(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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snick = GetParam(cmd,1)
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if snick and snick != nick:
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if not IsAdmin(nick):
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log_error('%s is not admin, cannot see dice stats for %s' % (nick, snick))
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SendTo(sendto,'Access denied')
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return
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else:
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snick=nick
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try:
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ResetGameStats(sendto,snick,"dice")
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except Exception,e:
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SendTo(sendto,"An error occured")
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def PlayerSeed(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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fair_string = GetParam(cmd,1)
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if not fair_string:
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SendTo(nick, "Usage: !playerseed <string>")
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return
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try:
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SetPlayerSeed(nick,'dice',fair_string)
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except Exception,e:
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log_error('Failed to save player seed for %s: %s' % (nick, str(e)))
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SendTo(sendto, 'An error occured')
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def FairCheck(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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try:
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seed = GetServerSeed(nick,'dice')
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except Exception,e:
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log_error('Failed to get server seed for %s: %s' % (nick,str(e)))
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SendTo(seed,'An error has occured')
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return
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try:
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GenerateServerSeed(nick,'dice')
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except Exception,e:
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log_error('Failed to generate server seed for %s: %s' % (nick,str(e)))
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SendTo(seed,'An error has occured')
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return
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SendTo(sendto, 'Your server seed was %s - it has now been reset; see !fair for details' % str(seed))
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def Seeds(nick,chan,cmd):
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sendto=GetSendTo(nick,chan)
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try:
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sh = GetServerSeedHash(nick,'dice')
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ps = GetPlayerSeed(nick,'dice')
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except Exception,e:
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log_error('Failed to get server seed for %s: %s' % (nick,str(e)))
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SendTo(seed,'An error has occured')
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return
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SendTo(sendto, 'Your server seed hash is %s' % str(sh))
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if ps == "":
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SendTo(sendto, 'Your have not set a player seed')
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else:
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SendTo(sendto, 'Your player seed hash is %s' % str(ps))
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def Fair(nick,chan,cmd):
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SendTo(nick,"%s's dice betting is provably fair" % config.tipbot_name)
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SendTo(nick,"Your rolls are determined by three pieces of information:")
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SendTo(nick," - your server seed. You can see its hash with !seeds")
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SendTo(nick," - your player seed. Empty by default, you can set it with !playerseed")
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SendTo(nick," - the roll number, displayed with each bet you make")
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SendTo(nick,"To verify past rolls were fair, use !faircheck")
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SendTo(nick,"You will be given your server seed, and a new one will be generated")
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SendTo(nick,"for future rolls. Then follow these steps:")
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SendTo(nick,"Calculate the SHA-256 sum of serverseed:playerseed:rollnumber")
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SendTo(nick,"Take the first 8 characters of this sum to make an hexadecimal")
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SendTo(nick,"number, and divide it by 0x100000000. You will end up with a number")
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SendTo(nick,"between 0 and 1 which was your roll for that particular bet")
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SendTo(nick,"See !faircode for Python code implementing this check")
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def FairCode(nick,chan,cmd):
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SendTo(nick,"This Python 2 code takes the seeds and roll number and outputs the roll")
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SendTo(nick,"for the corresponding game. Run it with three arguments: server seed,")
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SendTo(nick,"player seed (use '' if you did not set any), and roll number.")
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SendTo(nick,"import sys,hashlib,random")
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SendTo(nick,"try:")
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SendTo(nick," s=hashlib.sha256(sys.argv[1]+':'+sys.argv[2]+':'+sys.argv[3]).hexdigest()")
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SendTo(nick," roll = float(long(s[0:8],base=16))/0x100000000")
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SendTo(nick," print '%.16g' % roll")
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SendTo(nick,"except:")
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SendTo(nick," print 'need serverseed, playerseed, and roll number'")
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def DiceHelp(nick,chan):
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SendTo(nick,"The dice module is a provably fair %s dice betting game" % coinspecs.name)
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SendTo(nick,"Basic usage: !dice <amount> <multiplier>")
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SendTo(nick,"The goal is to get a roll under a target that depends on your chosen multiplier")
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SendTo(nick,"See !fair and !faircode for a description of the provable fairness of the game")
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SendTo(nick,"See !faircheck to get the server seed to check past rolls were fair")
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random.seed(time.time())
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RegisterModule({
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'name': __name__,
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'help': DiceHelp,
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})
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RegisterCommand({
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'module': __name__,
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'name': 'dice',
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'parms': '<amount> <multiplier>',
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'function': Dice,
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'admin': True,
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'registered': True,
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'help': "start a dice game - house edge %.1f%%" % (float(config.dice_edge)*100)
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})
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RegisterCommand({
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'module': __name__,
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'name': 'stats',
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'parms': '[<name>]',
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'function': GetDiceStats,
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'admin': True,
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'registered': True,
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'help': "displays your dice stats"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'resetstats',
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'parms': '[<name>]',
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'function': ResetDiceStats,
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'admin': True,
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'registered': True,
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'help': "resets your dice stats"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'house_balance',
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'function': GetHouseBalance,
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'admin': True,
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'registered': True,
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'help': "get the house balance"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'playerseed',
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'parms': '<string>',
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'function': PlayerSeed,
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'admin': True,
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'registered': True,
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'help': "set a custom seed to use in the hash calculation"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'seeds',
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'function': Seeds,
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'admin': True,
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'registered': True,
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'help': "Show hash of your current server seed and your player seed"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'faircheck',
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'function': FairCheck,
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'admin': True,
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'registered': True,
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'help': "Check provably fair rolls"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'fair',
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'function': Fair,
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'admin': True,
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'help': "describe the provably fair dice game"
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})
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RegisterCommand({
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'module': __name__,
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'name': 'faircode',
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'function': FairCode,
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'admin': True,
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'help': "Show sample Python code to check bet fairness"
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})
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