run_wallet.py

"""
MIT License

Copyright (c) 2021 STR-Coding-Club

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""

import wallet
from os import path
from print_welcome import print_welcome

print_welcome()

print('Looking for Private Key...')
print()
if path.exists("private_key.pem"):
    print("Private key detected!")
    print(f'Your Receiving Address: {wallet.get_address()}')

# If private key is not detected
else:
    print("No private key detected, creating private key now...")
    wallet.generate_key()
    print("Private key has been saved as \' private_key.pem \' DO NOT share this key with anyone")

if path.exists("miner_address.txt"):
    print("Miner address detected!")
else:
    print("No Miner address detected, generating one now...")
    wallet.save_address()


def command_error():
    print("Command error, listing available commands")
    print()
    print('\t> send <receiver> <amount>')
    print()
    print('\t> balance [optional: address]')
    print()
    print('\t> address')
    print()

print()
print('Wallet initialized!')
print()
while True:
    try:
        command = input('> ').split()
    except IndexError:
        command_error()
    try:
        if command[0].lower() == 'send':
            if len(command) == 3:
                receiver = command[1]
                amount = command[2]
                sent = wallet.send(receiver, amount, wallet.read_key())
                if sent:
                    print(f"Sent {amount} to {receiver}")
                    print(f"Your current balance is: {wallet.get_balance()[0]} (Pending: {wallet.get_balance()[1]})")
                else:
                    print("Command error, check if you have enough balance. Please refer to the documentation.")
                    print("Link to docs")
            else:
                print("Command Error:")
                print("\tUsage: `send <receiver> <amount>`")
        elif command[0].lower() == 'balance':
            if len(command) == 1:
                print(f"Your current balance is: {wallet.get_balance()[0]} (Pending: {wallet.get_balance()[1]})")
            elif len(command) == 2:
                balance = wallet.get_balance(command[1])[0]
                if balance:
                    print(f'Balance for input address: {balance}')
                else:
                    print(f'Error: Invalid Address (Does not exist on blockchain)')
        elif command[0].lower() == 'address':
            print(f'Your Receiving Address is: {wallet.get_address()}')
        else:
            command_error()
    except IndexError:
        command_error()
    except Exception:
        print('Networking Error - Make sure you are connected to the internet/check your DNS')