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Add a kitsune bakuchi module
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moneromooo
parent
1efc378ce2
commit
58c16dd48d
2 changed files with 286 additions and 0 deletions
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@ -108,3 +108,11 @@ pinata_target_increment = 0.01
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pinata_winner_base_share = 0.75
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pinata_rain_remainder_share = 0.8
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pinata_carry_remainder_share = 0.17
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kitsune_max_bet = 1
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kitsune_min_bet = 0.001
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# how much are we prepared to lose
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kitsune_max_loss = 35
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# how much are we prepared to lose as a ratio of our current pot
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kitsune_max_loss_ratio = 0.1
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278
tipbot/modules/kitsune.py
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278
tipbot/modules/kitsune.py
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@ -0,0 +1,278 @@
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#!/bin/python
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#
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# Cryptonote tipbot - kitsune bakuchi
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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.command_manager import *
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from tipbot.redisdb import *
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from tipbot.betutils import *
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def Roll(link):
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identity=link.identity()
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try:
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if redis_hexists('kitsune:rolls',identity):
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rolls = redis_hget('kitsune:rolls',identity)
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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' % (identity, str(e)))
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raise
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try:
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log_log('0')
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s = GetServerSeed(link,'kitsune') + ":" + GetPlayerSeed(link,'kitsune') + ":" + str(rolls)
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log_log('1')
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sh = hashlib.sha256(s).hexdigest()
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log_log('2')
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triplet = [ long(sh[0:3],base=16)%6+1, long(sh[3:6],base=16)%6+1, long(sh[6:9],base=16)%6+1 ]
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log_log('3')
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return rolls, triplet
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except Exception,e:
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log_error('Failed to roll for %s: %s' % (identity,str(e)))
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raise
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def Kitsune(link,cmd):
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identity=link.identity()
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try:
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amount=float(cmd[1])
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units=StringToUnits(cmd[1])
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except Exception,e:
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link.send("Usage: !kitsune amount")
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return
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log_info("Kitsune: %s wants to bet %s" % (identity, AmountToString(units)))
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potential_loss = amount * 35
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valid,reason = IsBetValid(link,amount,config.kitsune_min_bet,config.kitsune_max_bet,potential_loss,config.kitsune_max_loss,config.kitsune_max_loss_ratio)
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if not valid:
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log_info("Kitsune: %s's bet refused: %s" % (identity, reason))
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link.send("%s: %s" % (link.user.nick, reason))
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return
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try:
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rolls, triplet = Roll(link)
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except:
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link.send("An error occured")
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return
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lose_units = units
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win_units = long(units * 35) - lose_units
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win = triplet[0] == triplet[1] and triplet[0] == triplet[2]
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if win:
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msg = "%s bets %s and wins %s on roll #%d! %s %s %s" % (link.user.nick, AmountToString(lose_units), AmountToString(win_units+lose_units), rolls, triplet[0], triplet[1], triplet[2])
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else:
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msg = "%s bets %s and loses on roll #%d: %s %s %s" % (link.user.nick, AmountToString(lose_units), rolls, triplet[0], triplet[1], triplet[2])
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try:
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RecordGameResult(link,"kitsune",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("kitsune:rolls",identity,rolls)
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link.send("%s" % msg)
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def ShowKitsuneStats(link,sidentity,title):
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return ShowGameStats(link,sidentity,title,"kitsune")
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def GetKitsuneStats(link,cmd):
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identity=link.identity()
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sidentity = GetParam(cmd,1)
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if sidentity:
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sidentity=IdentityFromString(link,sidentity)
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if sidentity and sidentity != identity:
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if not IsAdmin(link):
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log_error('%s is not admin, cannot see kitsune stats for %s' % (identity, sidentity))
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link.send('Access denied')
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return
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else:
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sidentity=identity
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ShowKitsuneStats(link,sidentity,NickFromIdentity(sidentity))
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ShowKitsuneStats(link,"reset:"+sidentity,'%s since reset' % NickFromIdentity(sidentity))
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ShowKitsuneStats(link,'','overall')
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def ResetKitsuneStats(link,cmd):
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identity=link.identity()
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sidentity = GetParam(cmd,1)
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if sidentity:
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sidentity=IdentityFromString(link,sidentity)
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if sidentity and sidentity != identity:
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if not IsAdmin(link):
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log_error('%s is not admin, cannot see kitsune stats for %s' % (identity, sidentity))
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link.send('Access denied')
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return
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else:
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sidentity=identity
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try:
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ResetGameStats(link,sidentity,"kitsune")
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except Exception,e:
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link.send("An error occured")
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def PlayerSeed(link,cmd):
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identity=link.identity()
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fair_string = GetParam(cmd,1)
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if not fair_string:
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link.send("Usage: !playerseed <string>")
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return
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try:
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SetPlayerSeed(link,'kitsune',fair_string)
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except Exception,e:
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log_error('Failed to save player seed for %s: %s' % (identity, str(e)))
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link.send('An error occured')
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try:
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ps = GetPlayerSeed(link,'kitsune')
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except Exception,e:
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log_error('Failed to retrieve newly set player seed for %s: %s' % (identity, str(e)))
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link.send('An error occured')
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return
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link.send('Your new player seed is: %s' % ps)
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def FairCheck(link,cmd):
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identity=link.identity()
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try:
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seed = GetServerSeed(link,'kitsune')
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except Exception,e:
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log_error('Failed to get server seed for %s: %s' % (identity,str(e)))
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link.send('An error has occured')
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return
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try:
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GenerateServerSeed(link,'kitsune')
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except Exception,e:
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log_error('Failed to generate server seed for %s: %s' % (identity,str(e)))
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link.send('An error has occured')
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return
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link.send('Your server seed was %s - it has now been reset; see !fair for details' % str(seed))
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def Seeds(link,cmd):
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identity=link.identity()
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try:
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sh = GetServerSeedHash(link,'kitsune')
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ps = GetPlayerSeed(link,'kitsune')
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except Exception,e:
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log_error('Failed to get server seed for %s: %s' % (identity,str(e)))
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link.send('An error has occured')
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return
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link.send('Your server seed hash is %s' % str(sh))
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if ps == "":
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link.send('You have not set a player seed')
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else:
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link.send('Your player seed hash is %s' % str(ps))
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def Fair(link,cmd):
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link.send_private("%s's kitsune betting is provably fair" % config.tipbot_name)
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link.send_private("Your rolls are determined by three pieces of information:")
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link.send_private(" - your server seed. You can see its hash with !seeds")
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link.send_private(" - your player seed. Empty by default, you can set it with !playerseed")
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link.send_private(" - the roll number, displayed with each bet you make")
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link.send_private("To verify past rolls were fair, use !faircheck")
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link.send_private("You will be given your server seed, and a new one will be generated")
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link.send_private("for future rolls. Then follow these steps:")
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link.send_private("Calculate the SHA-256 sum of serverseed:playerseed:rollnumber")
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link.send_private("Use the first 3 digits of the hexadecimal representation of this hash")
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link.send_private("modulo 6 and add 1 to make your first roll. Do the same with the three")
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link.send_private("next digits for the second, and again for the third roll")
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link.send_private("See !faircode for Python code implementing this check")
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def FairCode(link,cmd):
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link.send_private("This Python 2 code takes the seeds and roll number and outputs the rolls")
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link.send_private("for the corresponding game. Run it with three arguments: server seed,")
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link.send_private("player seed (use '' if you did not set any), and roll number.")
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link.send_private("import sys,hashlib,random")
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link.send_private("try:")
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link.send_private(" s=hashlib.sha256(sys.argv[1]+':'+sys.argv[2]+':'+sys.argv[3]).hexdigest()")
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link.send_private(" triplet = [ long(s[0:3],base=16)%6+1, long(s[3:6],base=16)%6+1, long(s[6:9],base=16)%6+1 ]")
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link.send_private(" print triplet[0], triplet[1], triplet[2]")
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link.send_private("except:")
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link.send_private(" print 'need serverseed, playerseed, and roll number'")
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def KitsuneHelp(link):
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link.send_private("The kitsune module is a provably fair %s dice betting game" % coinspecs.name)
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link.send_private("Basic usage: !kitsune <amount>")
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link.send_private("The goal in the old Japanese game Kitsune Bakuchi is to roll")
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link.send_private("three dice and get three of a kind to win back 35 times your bet")
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link.send_private("See !fair and !faircode for a description of the provable fairness of the game")
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link.send_private("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': KitsuneHelp,
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})
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RegisterCommand({
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'module': __name__,
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'name': 'kitsune',
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'parms': '<amount-in-%s>' % coinspecs.name,
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'function': Kitsune,
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'registered': True,
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'help': "play a kitsune bakuchi game - pays 1:35"
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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': GetKitsuneStats,
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'registered': True,
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'help': "displays your kitsune bakuchi 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': ResetKitsuneStats,
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'registered': True,
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'help': "resets your kitsune bakuchi stats"
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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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'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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'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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'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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'help': "describe the provably fair kitsune bakuchi 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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'help': "Show sample Python code to check bet fairness"
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})
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