def balance(bot, update):
""" Fetches and returns the balance (in USD) """
if not checks.check_username(update):
return
create_user(update.message.from_user.username)
key = Key(get_wif(update.message.from_user.username))
balance = key.get_balance("usd")
return update.message.reply_text("You have: $" + str(balance))
def __init__(self, testing=False, unittest_prkey=''):
if testing == True:
self.testing = testing
self.private_key = read_drive(testing)
self.key = PrivateKeyTestnet(self.private_key)
elif unittest_prkey != '':
self.testing = testing
self.private_key = unittest_prkey
self.key = Key(self.private_key)
else:
self.testing = testing
self.private_key = read_drive(testing)
self.key = Key(self.private_key)
def create_user(username):
"""Checks if a Telegram user is present in the database.
Returns True if a user is created, False otherwise.
"""
db.connect(reuse_if_open=True)
key = Key()
try:
User.create(username=username, bch_address=key.address, wif=key.to_wif())
db.close()
return True
except IntegrityError:
db.close()
return False
def index():
if 'user' not in session:
session['user'] = secrets.token_hex()
key = Key()
wif = key.to_wif()
# Stores the keys in the cookies
session['wif'] = wif
session['address'] = key.address
return render_template(
'index.html',
eb_link=EVENT_BRIBE_LINK,
address=session['address'],
wif=session['wif'],
)
def to_key_pairs(cls, mnemonic):
w = wallet.create_wallet(network="bch", seed=mnemonic, children=1)
wif = w['wif']
key = Key(wif)
address = key.address
keypair = {"private_key_WIF": wif, "address": address}
return keypair
def send_bitcash_message(message):
if len(message.encode('utf-8')) > 213:
raise ValueError(message + "超长，长度是:" + len(message.encode('utf-8')))
else:
config = get_systemconfigs()
key = Key(config.private_key)
upspents = key.get_unspents()
logger.info(upspents)
logger.info(key.address)
outputs = [
(config.outaddress, 10056, 'satoshi'),
]
try:
txhash, txid = key.send(outputs,
message=message,
fee=config.default_fee)
logging.info('{m}交易成功,txid:{txid}'.format(m=message, txid=txid))
return (txhash, txid)
except Exception as e:
logging.error('{m}交易失败,异常:{e}'.format(m=message, e=str(e)))
raise e
def withdraw(bot, update, args):
""" Withdraws BCH to user's wallet """
if not checks.check_username(update):
return
if update.message.chat.type != "private": # check if in DM
return bot.send_message(
chat_id=update.effective_chat.id,
text="Private message me to withdraw your money",
)
if len(args) != 2:
message = ("Usage: /withdraw [amount] [address]\n\n"
"You may also withdraw everything at once using:"
" /withdraw all [address]")
return update.message.reply_text(message)
address = checks.check_address(update, args[1])
if not address: # does not send anything if address is False
return
wif = get_wif(update.message.from_user.username)
key = Key(wif)
if args[0] == "all":
sent_amount = 1000
currency = "satoshi"
else:
amount = args[0].replace("$", "")
if not checks.amount_is_valid(amount):
return update.message.reply_text(amount + " is not a valid amount")
currency = "usd"
sent_amount = float(amount) - 0.01 # after 1 cent fee
outputs = [
(address, sent_amount, currency),
]
key.get_unspents()
try:
if args[0] == "all":
tx_id = key.send(outputs, fee=1, leftover=address)
else:
tx_id = key.send(outputs, fee=1)
except Exception:
return update.message.reply_text("Transaction failed!")
return update.message.reply_text("Sent! Transaction ID: " + tx_id)
def withdraw(bot, update, args):
""" Withdraws BCH to user's wallet """
if not checks.check_username(update):
return
if update.message.chat.type != 'private': # check if in DM
return bot.send_message(
chat_id=update.effective_chat.id,
text='Private message me to withdraw your money')
if len(args) != 2:
message = 'Usage: /withdraw [amount] [address]\n\n'\
'You may also withdraw everything at once using:'\
' /withdraw all [address]'
return update.message.reply_text(message)
address = checks.check_address(update, args[1])
if not address: # does not send anything if address is False
return
wif = get_wif(update.message.from_user.username)
key = Key(wif)
if args[0] == 'all':
sent_amount = 1000
currency = 'satoshi'
else:
amount = args[0].replace('$', '')
if not checks.amount_is_valid(amount):
return update.message.reply_text(amount + ' is not a valid amount')
currency = 'usd'
sent_amount = float(amount) - 0.01 # after 1 cent fee
outputs = [
(address, sent_amount, currency),
]
key.get_unspents()
try:
if args[0] == 'all':
tx_id = key.send(outputs, fee=1, leftover=address)
else:
tx_id = key.send(outputs, fee=1)
except Exception:
return update.message.reply_text('Transaction failed!')
return update.message.reply_text('Sent! Transaction ID: ' + tx_id)
def __init__(self, prkey):
self.prkey = Key(prkey)
class Wallet:
def __init__(self, testing=False, unittest_prkey=''):
if testing == True:
self.testing = testing
self.private_key = read_drive(testing)
self.key = PrivateKeyTestnet(self.private_key)
elif unittest_prkey != '':
self.testing = testing
self.private_key = unittest_prkey
self.key = Key(self.private_key)
else:
self.testing = testing
self.private_key = read_drive(testing)
self.key = Key(self.private_key)
def bch_address(self):
return self.key.address
def bch_segwit_address(self):
return self.key.segwit_address
def bch_balance(self, currency="bch"):
spinner.start()
balance = self.key.get_balance(currency)
spinner.stop()
return balance
def bch_history(self):
spinner.start()
transactions = self.key.get_transactions()
spinner.stop()
print("")
print(colorama.Fore.GREEN + str(len(transactions)) + " transactions:")
print("")
for transaction in transactions:
print("[ " + transaction + " ]")
# perform a transaction
def transaction(self, recipient_addr, amount, currency):
cashaddr = re.match(
'^((bitcoincash|bchreg|bchtest):)?(q|p)[a-z0-9]{41}$',
recipient_addr)
legacyaddr = re.match('^([13][a-km-zA-HJ-NP-Z1-9]{25,34})',
recipient_addr)
caplegacyaddr = re.match('^((BITCOINCASH:)?(Q|P)[A-Z0-9]{41})$',
recipient_addr)
if not any([cashaddr, legacyaddr, caplegacyaddr]):
print(colorama.Fore.RED +
"Transaction aborted: Invalid bitcoin cash address.")
exit()
print('You are about to send {} {} to {}'.format(
str(amount), currency.upper(), recipient_addr))
amount_left = float(self.bch_balance(currency)) - amount
if amount_left <= 0:
print(colorama.Fore.RED +
'You don\'t have enough funds to perform the transaction.')
exit()
if currency == 'usd':
print("You will have ${} left on your wallet.".format(
str(amount_left)))
elif currency == 'bch':
print("You will have {} BCH left on your wallet.".format(
str(amount_left)))
elif currency == 'eur':
print("You will have {}€ left on your wallet.".format(
str(amount_left)))
elif currency == 'gbp':
print("You will have £{} left on your wallet.".format(
str(amount_left)))
elif currency == 'jpy':
print("You will have ¥{} left on your wallet.".format(
str(amount_left)))
print("")
decision = input(
'Are you sure you want to perform this transaction? yes | no\n')
if decision != 'yes':
print("")
print(colorama.Fore.RED + 'Transaction aborted')
exit()
else:
try:
spinner.start()
transaction_id = self.key.send([(recipient_addr, amount,
currency)])
spinner.stop()
print(colorama.Fore.GREEN + 'Success: ' + colorama.Fore.WHITE +
transaction_id)
except InsufficientFunds:
print(
colorama.Fore.RED +
'You don\'t have enough funds to perform the transaction.')
def bch_tx_fee(self):
fee = get_fee()
return fee
def tip(bot, update, args):
""" Sends Bitcoin Cash on-chain """
if not checks.check_username(update):
return
if len(args) != 2 and not update.message.reply_to_message:
return update.message.reply_text("Usage: /tip [amount] [username]")
if "@" in args[0]:
# this swaps args[0] and args[1] in case user input username before
# amount (e.g. /tip @merc1er $1) - the latter will still work
tmp = args[1]
args[1] = args[0]
args[0] = tmp
amount = args[0].replace("$", "")
if not checks.amount_is_valid(amount):
return update.message.reply_text(amount + " is not a valid amount.")
if update.message.reply_to_message:
recipient_username = update.message.reply_to_message.from_user.username
if not recipient_username:
return update.message.reply_text(
"You cannot tip someone who has not set a username.")
else:
recipient_username = args[1]
if not checks.username_is_valid(recipient_username):
return update.message.reply_text(recipient_username +
" is not a valid username.")
recipient_username = recipient_username.replace("@", "")
sender_username = update.message.from_user.username
if recipient_username == sender_username:
return update.message.reply_text("You cannot send money to yourself.")
create_user(recipient_username) # IMPROVE
recipient_address = get_address(recipient_username)
sender_wif = get_wif(sender_username)
key = Key(sender_wif)
balance = key.get_balance("usd")
# checks the balance
if float(amount) > float(balance):
return update.message.reply_text("You don't have enough funds! " +
"Type /deposit to add funds!!")
fee = float(amount) * FEE_PERCENTAGE
sent_amount = float(amount) - 0.01
if fee < 0.01:
outputs = [
(recipient_address, sent_amount, "usd"),
]
else:
sent_amount -= fee # deducts fee
outputs = [
(recipient_address, sent_amount, "usd"),
(FEE_ADDRESS, fee, "usd"),
]
try:
key.send(outputs, fee=1)
except Exception:
return bot.send_message(
chat_id=update.effective_chat.id,
text="Transaction failed!",
parse_mode=ParseMode.MARKDOWN,
)
return bot.send_message(
chat_id=update.effective_chat.id,
text="You sent $" + amount + " to " + recipient_username,
)
def bch_network(net=CRYPTO_NETWORK, prkey=None):
if net == 'mainnet':
key = Key(prkey)
elif net == 'testnet':
key = PrivateKeyTestnet(prkey)
return key
return satoshi_to_currency_cached(satoshi, 'bch')
def is_address_valid(address):
return convert.is_valid(address)
def send(address, amount):
outputs = [
(address, amount, 'bch'),
]
try:
return key.send(outputs)
except:
return false
if key_exists():
print('Debug: key exists')
priv_key = open(PRIVATE_KEY, 'r')
key = Key(priv_key.read())
else:
print('Debug: key does not exists')
key = Key()
create_path(PRIVATE_KEY)
priv_key = open(PRIVATE_KEY, 'w')
priv_key.write(key.to_wif())
priv_key.close()
img = pyqrcode.create(key.address)
img.svg(QR)
def broadcast(op, token_address=None):
orbit = API()
'''
messages = orbit.prepare(op, limit=MESSAGE_LIMIT)
for message in messages:
if len(message) > MESSAGE_LIMIT:
raise AssertionError("The data is too large")
# sanity check
if orbit.parse(b''.join(messages), combined=True) != op:
raise AssertionError('Re-parsing the prepared bytes of this operation does not return the same values')
'''
interactive = True
if not stdin.isatty():
key = stdin.readline().rstrip()
interactive = False
else:
print()
value = False
while not value:
value = input(
" Enter wallet name (leave blank to list), '@' for private key: "
) # TODO: "or '!' to self-sign"
if not value:
print()
list_wallets()
print()
elif value == '@':
value = getpass(" Enter private key (hex): ")
if value:
key = value
#elif value == '!':
# self = True
# confirm = False
else:
print()
try:
key = get_key(value, display=False)
except ValueError as e:
print()
print("Sorry: {}".format(e))
value = False
print()
print("Loading wallet...")
wallet = Key.from_hex(key[0])
print(" Your Address: {}".format(wallet.address))
print(" Balance: {} satoshi".format(wallet.get_balance()))
print(" Unspents:")
for unspent in wallet.unspents:
print(" {}".format(unspent))
print(" {} unspent transaction{}".format(
len(wallet.unspents), "" if len(wallet.unspents) == 1 else "s"))
print()
print("Preparing transaction...")
if not token_address:
token_address = wallet.address
print(" Token Address: {}".format(token_address))
try:
message = orbit.prepare(token_address, op)
except InvalidAddress as e:
raise ValueError("An invalid bitcoincash address was entered")
#print(message)
if len(message) > MESSAGE_LIMIT:
raise ValueError(
"The data is too large; try reducing some text or removing optional data"
)
# sanity check
parsed = orbit.parse(message)
if parsed != (token_address, op):
#print(parsed)
raise AssertionError(
'Re-parsing the prepared bytes of this operation does not return the same values'
)
'''
sig = Address.sign(wallet, token_address)
token = Address(token_address, wallet.public_key, sig)
token_messages = orbit.prepare(token, limit=MESSAGE_LIMIT)
for token_message in token_messages:
if len(token_message) > MESSAGE_LIMIT:
raise AssertionError("The token address data is too large")
# sanity check
if orbit.parse(b''.join(token_messages), combined=True) != token:
raise AssertionError('Re-parsing the prepared bytes of the token address operation does not return the same values')
'''
fee = get_fee()
#fee = 1
if interactive:
print()
print(
" Enter fee per byte in satoshi ({} is currently recommended),".
format(fee))
userfee = input(" leave blank to use the recommended fee: ")
if userfee:
fee = int(userfee)
if fee < 1:
raise ValueError('Fee must be at least 1 satoshi')
print()
print("------------------------------------------")
print("CAREFULLY REVIEW THE FOLLOWING TRANSACTION")
print("------------------------------------------")
print()
print(" Signer's Address:")
print(" {}".format(wallet.address))
print()
print(" Token Address:")
print(" {}".format(token_address))
print()
#print(" {}".format(token.__str__(' ')))
print(" {}".format(op.__str__(' ')))
print()
print(" Fee/byte: {} satoshi".format(fee))
if interactive:
print()
confirm = input(
" Type 'confirm' if you are sure you want to broadcast this transaction: "
)
if confirm != "confirm":
raise ValueError("User abort")
# TODO: attempt broadcast through ORBIT node first, use bitcash wallet as fallback
print()
#print("Waiting 60 seconds to broadcast (rate limit?)...")
#sleep(60)
#token_messages.extend(messages)
#print(token_messages)
try:
print("Broadcasting...")
#tx = wallet.send([], fee=fee, message=token_messages)
tx = wallet.send([], fee=fee, message=message)
print('Transaction: {}'.format(tx))
return tx
except ConnectionError as e:
raise ValueError(
"Unable to broadcast, try again later or try increasing the fee: {}"
.format(e))
except InsufficientFunds as e:
raise ValueError(e)
