Topic: Just-Dice.com : Invest in 1% House Edge Dice Game - page 69. (Read 435353 times)

import random
from decimal import *

r = random.SystemRandom()

chanceWin = Decimal(".66")
payout = Decimal("1.5")
maxProfit = Decimal("287.47")

maxBet = maxProfit/(payout-Decimal(1))
minBet = Decimal("0.06")

whaleWallet = Decimal("5")

def betRound(bet, whaleWallet, justDiceDelta=Decimal(0), verbose=False):
    numBets = 0

    while whaleWallet > 0:
        if bet > whaleWallet:
            bet = whaleWallet

        if bet < minBet:
            break

        numBets += 1
        
        if r.random() < chanceWin:
            if verbose: print("Won  bet of %s" % bet)
            justDiceDelta -= bet*(payout-Decimal(1))
            whaleWallet += bet*(payout-Decimal(1))
            bet = max(minBet, bet/Decimal(2))
        else:
            if verbose: print("Lost bet of %s" % bet)
            justDiceDelta += bet
            whaleWallet -= bet
            bet = min(maxBet, bet*Decimal(2))

        if verbose: print("Just Dice: %s, Whale: %s" % (justDiceDelta, whaleWallet))

    return (numBets, justDiceDelta, whaleWallet, justDiceDelta)

rounds = 100
bets = []
justDiceLost = False

print("Running %d simulations of betting with %0.2f BTC..." % (rounds, whaleWallet))

for i in range(0,1000):
    stats = betRound(minBet, whaleWallet)
    print(stats)
    bets.append(stats[0])
    if stats[1] < 0:
        justDiceLost = True
        print("JustDice actually lost money!!!!!!!!!!!")

if not justDiceLost:
    print("JustDice didn't lose a single bitcoin.")
print(bets)