From 4ea7f8c32d2dbadb541e100c09f6d3ca99ef34b8 Mon Sep 17 00:00:00 2001 From: reinoud Date: Sun, 29 Jun 2025 14:27:51 +0200 Subject: [PATCH] ii --- crypto.py | 152 ++++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 119 insertions(+), 33 deletions(-) diff --git a/crypto.py b/crypto.py index 54ed8ad..b303a18 100644 --- a/crypto.py +++ b/crypto.py @@ -1,57 +1,143 @@ import random import matplotlib.pyplot as plt +from colorama import Fore, Style, init +init(autoreset=True) # Auto-reset color after each print -# Game parameters -coin_price = 100.0 -price_sensitivity = 0.5 -volatility = 0.3 -price_history = [coin_price] -trade_history = [0] # User's buy/sell behavior per turn -cumulative_trades = [0] # Net amount of coins user holds over time +import os +os.system('cls' if os.name == 'nt' else 'clear') # Clear screen on start -def save_graph(): +cryptos = { + "Bitcoin": {"price": 100.0, "sensitivity": 0.5, "volatility": 0.0, "total_supply": 1000.0, "price_history": [100.0]}, + "Ethereum": {"price": 50.0, "sensitivity": 0.3, "volatility": 0.0, "total_supply": 1500.0, "price_history": [50.0]}, +} + +users = {} + +def available_supply(coin): + owned = sum(user['coins'].get(coin, 0.0) for user in users.values()) + return max(0.0, cryptos[coin]["total_supply"] - owned) + +def save_graph(coin): plt.clf() - plt.plot(price_history, label="Coin Price", color='blue') - plt.plot(trade_history, label="Trade Behavior", color='orange') - plt.plot(cumulative_trades, label="Net Coins Held", color='green') - plt.title("Coin Price, Trade Behavior & Net Holdings Over Time") + plt.plot(cryptos[coin]["price_history"], label=f"{coin} Price") + plt.title(f"{coin} Price Over Time") plt.xlabel("Turn") - plt.ylabel("Value") + plt.ylabel("Price") plt.legend() plt.grid(True) - plt.savefig("coin_price.png") - print("šŸ“Š Graph saved as 'coin_price.png'") + filename = f"{coin.lower()}_price.png" + plt.savefig(filename) + print(Fore.MAGENTA + f"šŸ“Š Graph saved as '{filename}'") -print("šŸ’° Welcome to Crypto Kids! Type +10 to buy or -10 to sell.") -print("Type 'exit' to stop the game.\n") +def total_value(user): + return user["cash"] + sum(user["coins"].get(c, 0.0) * cryptos[c]["price"] for c in cryptos) +# Intro +print(Fore.YELLOW + Style.BRIGHT + "šŸ’° Welcome to Crypto Kids Multiplayer ā€” Multi-Coin Edition!") +print(Style.DIM + "šŸŽ® Register users, then trade Bitcoin and Ethereum in turn-based rounds.\n") + +# Register Users while True: - print(f"\nCurrent Coin Price: {round(coin_price, 2)}") + user_input = input(Fore.CYAN + "Enter username to register/login (or type 'start' to begin): ").strip() + if user_input.lower() == "start": + if not users: + print(Fore.RED + "āš ļø Add at least one user to begin.") + continue + break + if user_input not in users: + users[user_input] = {"cash": 1000.0, "coins": {coin: 0.0 for coin in cryptos}} + print(Fore.GREEN + f"šŸ†• User '{user_input}' registered with $1000 cash.") + else: + print(Fore.BLUE + f"šŸ‘‹ Welcome back, {user_input}!") - user_input = input("Enter buy/sell amount (e.g., +10 or -10): ").strip() +usernames = list(users.keys()) +turn = 0 + +print(Fore.YELLOW + "\nšŸŽ¬ Game started! Trade using +amount to buy or -amount to sell. Type 'exit' to quit.\n") + +# Main Game Loop +while True: + # Display all users' holdings before each turn + print(Fore.LIGHTWHITE_EX + "\nšŸ“Š CURRENT STANDINGS") + print("="*40) + for uname, data in users.items(): + print(Fore.LIGHTCYAN_EX + f"šŸ‘¤ {uname}:") + print(f" šŸ’¼ Cash: {Fore.GREEN}${data['cash']:.2f}") + for c in cryptos: + print(f" šŸŖ™ {c}: {Fore.YELLOW}{data['coins'][c]:.2f}") + print(f" šŸ“ˆ Total Value: {Fore.CYAN}${total_value(data):.2f}\n") + + username = usernames[turn % len(usernames)] + user = users[username] + print(Fore.LIGHTWHITE_EX + "\n" + "="*40) + print(Fore.CYAN + f"šŸ” {username.upper()}'S TURN") + print(Fore.LIGHTWHITE_EX + "="*40) + print(f"šŸ’¼ Cash: {Fore.GREEN}${user['cash']:.2f}") + print("šŸŖ™ Your Holdings:") + for coin in cryptos: + print(f" - {Fore.YELLOW}{coin}: {user['coins'][coin]:.2f}") + + coin = input(Fore.CYAN + f"\nSelect a coin to trade {list(cryptos.keys())}: ").strip() + if coin not in cryptos: + print(Fore.RED + "āš ļø Invalid coin selection.") + continue + + price = cryptos[coin]["price"] + supply = available_supply(coin) + print(Fore.LIGHTBLUE_EX + f"\nšŸ“ˆ {coin} Price: ${price:.2f}") + print(f"šŸ“Š Supply Available: {supply:.2f} / {cryptos[coin]['total_supply']:.0f}") + + user_input = input(Fore.CYAN + f"Enter trade amount for {coin} (e.g., +10 or -5), or 'exit': ").strip() if user_input.lower() == "exit": - print("šŸ‘‹ Game Over. Thanks for playing!") + print(Fore.YELLOW + "\nšŸ“‰ GAME OVER ā€” FINAL BALANCES:\n") + for uname, data in users.items(): + print(Fore.LIGHTWHITE_EX + f"šŸ‘¤ {uname}:") + print(f" šŸ’¼ Cash: {Fore.GREEN}${data['cash']:.2f}") + for c in cryptos: + print(f" šŸŖ™ {c}: {Fore.YELLOW}{data['coins'][c]:.2f}") + print(f" šŸ“ˆ Total Value: {Fore.CYAN}${total_value(data):.2f}\n") break try: trade_amount = int(user_input) except ValueError: - print("āš ļø Please enter a valid number like +10 or -5.") + print(Fore.RED + "āš ļø Invalid input format. Use +10 or -5.") continue - trade_history.append(trade_amount) - new_total = cumulative_trades[-1] + trade_amount - cumulative_trades.append(new_total) + # Buy + if trade_amount > 0: + if supply < trade_amount: + print(Fore.RED + "āŒ Not enough coins available.") + continue + cost = trade_amount * price + if user["cash"] >= cost: + user["cash"] -= cost + user["coins"][coin] += trade_amount + print(Fore.GREEN + f"āœ… Bought {trade_amount} {coin} for ${cost:.2f}") + else: + print(Fore.RED + "āŒ Not enough cash.") + continue - buys = trade_amount if trade_amount > 0 else 0 - sells = -trade_amount if trade_amount < 0 else 0 - net_demand = buys - sells + # Sell + elif trade_amount < 0: + sell_amt = -trade_amount + if user["coins"][coin] >= sell_amt: + user["coins"][coin] -= sell_amt + user["cash"] += sell_amt * price + print(Fore.GREEN + f"āœ… Sold {sell_amt} {coin} for ${sell_amt * price:.2f}") + else: + print(Fore.RED + "āŒ Not enough coins.") + continue - price_change_from_demand = net_demand * price_sensitivity - random_factor = random.uniform(-volatility, volatility) * coin_price - coin_price += price_change_from_demand + random_factor - coin_price = max(1, coin_price) + # Price Update + net_demand = trade_amount + crypto = cryptos[coin] + price_change = net_demand * crypto["sensitivity"] + randomness = random.uniform(-crypto["volatility"], crypto["volatility"]) * crypto["price"] + new_price = crypto["price"] + price_change + randomness + crypto["price"] = max(1.0, new_price) + crypto["price_history"].append(crypto["price"]) - price_history.append(coin_price) - save_graph() + save_graph(coin) + turn += 1