commit 02ed2416d00b320cc5ef1123bffa114f38dd2d48
Author: Maksim Harbacheuski <gorbachewski.m@gmail.com>
Date:   Mon Jul 14 10:19:19 2025 +0300

    Initial

diff --git a/.gitignore b/.gitignore
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+.idea/
+venv/
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diff --git a/requirements.txt b/requirements.txt
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diff --git a/wallet.py b/wallet.py
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+import os
+import json
+import getpass
+from web3 import Web3
+from Crypto.Cipher import AES
+from Crypto.Protocol.KDF import PBKDF2
+from Crypto.Random import get_random_bytes
+from rich import print
+from rich.prompt import Prompt
+from eth_account import Account
+import requests
+
+WALLETS_DIR = "wallets"
+
+web3 = None
+selected_wallet = None
+wallet_data = None
+
+if not os.path.exists(WALLETS_DIR):
+    os.makedirs(WALLETS_DIR)
+
+
+def encrypt_wallet(private_key, password):
+    salt = get_random_bytes(16)
+    key = PBKDF2(password, salt, dkLen=32)
+    cipher = AES.new(key, AES.MODE_GCM)
+    ciphertext, tag = cipher.encrypt_and_digest(private_key.encode())
+    return {
+        'ciphertext': ciphertext.hex(),
+        'salt': salt.hex(),
+        'nonce': cipher.nonce.hex(),
+        'tag': tag.hex()
+    }
+
+
+def decrypt_wallet(data, password):
+    salt = bytes.fromhex(data['salt'])
+    key = PBKDF2(password, salt, dkLen=32)
+    cipher = AES.new(key, AES.MODE_GCM, nonce=bytes.fromhex(data['nonce']))
+    return cipher.decrypt_and_verify(bytes.fromhex(data['ciphertext']), bytes.fromhex(data['tag'])).decode()
+
+
+def connect_to_network():
+    global web3
+    rpc_url = Prompt.ask("[bold cyan]Введите RPC URL[/]")
+    web3 = Web3(Web3.HTTPProvider(rpc_url))
+    if web3.is_connected():
+        print("[green]Успешное подключение к сети Ethereum[/]")
+    else:
+        print("[red]Ошибка подключения к сети![/]")
+        web3 = None
+
+
+def create_wallet():
+    Account.enable_unaudited_hdwallet_features()
+    acct = Account.create()
+    password = getpass.getpass("Введите пароль для шифрования кошелька: ")
+    encrypted = encrypt_wallet(acct.key.hex(), password)
+    filename = os.path.join(WALLETS_DIR, f"{acct.address}.json")
+    with open(filename, 'w') as f:
+        json.dump({"address": acct.address, "data": encrypted}, f)
+    print(f"[green]Кошелек создан и сохранен: {acct.address}[/]")
+
+
+def select_wallet():
+    global selected_wallet, wallet_data
+    files = os.listdir(WALLETS_DIR)
+    if not files:
+        print("[red]Нет доступных кошельков.[/]")
+        return
+    for i, fname in enumerate(files):
+        print(f"[{i}] {fname}")
+    choice = int(Prompt.ask("Выберите номер кошелька"))
+    with open(os.path.join(WALLETS_DIR, files[choice])) as f:
+        wallet_data = json.load(f)
+        selected_wallet = wallet_data['address']
+        print(f"[green]Кошелек выбран: {selected_wallet}[/]")
+
+
+def get_balance():
+    if not selected_wallet:
+        print("[red]Кошелек не выбран.[/]")
+        return
+    balance = web3.eth.get_balance(selected_wallet)
+    print(f"Баланс: {web3.from_wei(balance, 'ether')} ETH")
+
+
+def fetch_gas_data():
+    try:
+        res = requests.get("https://ethgas.watch/api/gas")
+        data = res.json()
+        fast = data['fast'] / 10
+        gas_price_wei = web3.to_wei(fast, 'gwei')
+        eth_price = requests.get("https://api.coinbase.com/v2/prices/ETH-USD/spot").json()['data']['amount']
+        gas_usd = web3.from_wei(gas_price_wei * 21000, 'ether') * float(eth_price)
+        return fast, gas_price_wei, round(gas_usd, 2)
+    except:
+        return None, None, None
+
+
+def send_transaction():
+    if not selected_wallet:
+        print("[red]Кошелек не выбран.[/]")
+        return
+    password = getpass.getpass("Введите пароль от кошелька: ")
+    try:
+        private_key = decrypt_wallet(wallet_data['data'], password)
+    except:
+        print("[red]Неверный пароль![/]")
+        return
+
+    to = Prompt.ask("Введите адрес получателя")
+    value = float(Prompt.ask("Введите сумму в ETH"))
+    _, gas_price, _ = fetch_gas_data()
+    print(f"[yellow]Текущая цена за газ: {gas_price}")
+
+    tx = {
+        'nonce': web3.eth.get_transaction_count(selected_wallet),
+        'to': to,
+        'value': web3.to_wei(value, 'ether'),
+        'gas': 21000,
+        'gasPrice': gas_price
+    }
+    signed = web3.eth.account.sign_transaction(tx, private_key)
+    tx_hash = web3.eth.send_raw_transaction(signed.rawTransaction)
+    print(f"[green]Транзакция отправлена! TX Hash: {tx_hash.hex()}[/]")
+
+
+def main():
+    print("""
+    [bold blue]Меню:[/]
+    a. Подключение к сети Ethereum
+    c. Создание кошелька
+    w. Выбор кошелька
+    b. Просмотр баланса
+    s. Отправка средств
+    q. Выход
+            """)
+
+    while True:
+        choice = Prompt.ask("Выберите действие").lower()
+        if choice == 'a':
+            connect_to_network()
+        elif choice == 'c':
+            create_wallet()
+        elif choice == 'w':
+            select_wallet()
+        elif choice == 'b':
+            if web3 and selected_wallet:
+                get_balance()
+            else:
+                print("[red]Необходимо подключиться к сети и выбрать кошелек[/]")
+        elif choice == 's':
+            if web3 and selected_wallet:
+                send_transaction()
+            else:
+                print("[red]Необходимо подключение и выбор кошелька[/]")
+        elif choice == 'q':
+            break
+        else:
+            print("[red]Неверный выбор[/]")
+
+
+if __name__ == "__main__":
+    main()