def renew(self):
cryptocurrency = self.__fetch_cryptocurrency()
try:
return invoice_to_dict(stawallet_client.post_invoice(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id,
force=False
)[-1])
except StawalletHttpException as e:
if e.http_status_code == 409:
raise HttpBadRequest('Address has not been used', 'address-not-used')
else:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error")
except StawalletException as e:
raise HttpInternalServerError("Wallet access error")
def _handle_exception(self, ex):
if isinstance(ex, SQLAlchemyError):
ex = SqlError(ex)
self.__logger__.exception(str(ex))
if not isinstance(ex, HttpStatus):
ex = HttpInternalServerError('Internal server error')
self.__logger__.exception('Internal server error')
return super()._handle_exception(ex)
def show(self):
cryptocurrency = self.__fetch_cryptocurrency()
try:
return invoice_to_dict(stawallet_client.get_invoices(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id
)[0])
except StawalletException as e:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error")
def get(self, withdraw_id: str):
cryptocurrency = self.__fetch_cryptocurrency()
try:
withdraw = stawallet_client.get_withdraw(wallet_id=cryptocurrency.wallet_id, withdraw_id=int(withdraw_id))
if withdraw['user'] != str(context.identity.id):
raise HttpNotFound()
return withdraw_to_dict(cryptocurrency, withdraw)
except StawalletException as e:
raise HttpInternalServerError("Wallet access error")
def get(self, deposit_id: str):
cryptocurrency = self.__fetch_cryptocurrency()
try:
deposit = stawallet_client.get_deposit(wallet_id=cryptocurrency.wallet_id, deposit_id=int(deposit_id))
if int(deposit['invoice']['user']) != context.identity.id:
raise HttpNotFound()
return deposit_to_dict(cryptocurrency, deposit)
except StawalletException as e:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error")
def list(self):
cryptocurrency = self.__fetch_cryptocurrency()
try:
results = stawallet_client.get_withdraws(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id,
page=context.query_string.get("page")
)
return [withdraw_to_dict(cryptocurrency, withdraw) for withdraw in results]
except StawalletException as e:
raise HttpInternalServerError("Wallet access error")
def list(self):
cryptocurrency = self.__fetch_cryptocurrency()
try:
results = stawallet_client.get_deposits(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id,
page=context.query_string.get("page")
)
return [deposit_to_dict(cryptocurrency, deposit) for deposit in results]
except StawalletException as e:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error")
def schedule(self):
amount = context.form.get("amount")
cryptocurrency = self.__fetch_cryptocurrency()
amount = cryptocurrency.input_to_normalized(amount)
if amount < Decimal(0):
raise HttpBadRequest("Amount should be greater than zero")
estimated_network_fee = Decimal(0) # FIXME: Estimate it # TODO: Compare it with the user input
withdrawal_fee = cryptocurrency.calculate_withdraw_commission(amount) # TODO: Compare it with the user input:
# 1. First we inquire the possibility of doing transaction by our wallet provider (stawallet):
try:
withdraw_quote = stawallet_client.quote_withdraw(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id,
business_uid=context.form.get('businessUid'), # FIXME Do not get this from user directly
destination_address=context.form.get('address'),
amount=cryptocurrency.normalized_to_output(amount),
)
except StawalletException as e:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error", 'wallet-access-error')
if not withdraw_quote['amountValid']:
raise HttpBadRequest('Bad amount', 'bad-amount')
if not withdraw_quote['addressValid']:
raise HttpBadRequest('Bad address', 'bad-address')
if not withdraw_quote['businessUidValid']:
raise HttpBadRequest('Bad businessUid', 'bad-business-uid')
if withdraw_quote['businessUidDuplicated']:
raise HttpBadRequest('BusinessUid already exists', 'already-submitted')
# Now, it seem's we won't have any problem to with this request
# 2. Lets reduce the user's balance (and also find out whether it's balance is enough or not):
try:
stexchange_client.balance_update(
user_id=context.identity.id,
asset=cryptocurrency.wallet_id, # FIXME
business='withdraw',
business_id=context.form.get('businessUid'), # FIXME Do not get this from user directly
change=f'-{amount + withdrawal_fee}',
detail=withdraw_quote, # FIXME
)
except BalanceNotEnoughException as e:
raise HttpBadRequest('Balance not enough', 'not-enough-balance')
except RepeatUpdateException as e:
# This money has been already reduced from the users balance.
# Why? Maybe because of a recent corrupted request
# TODO: Handle it properly, might be a security risk
# No need to raise an exception # TODO: Can be dangerous
# TODO: Log
pass
except StexchangeException as e:
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error. Contact administrator.", 'wallet-access-error')
# 3: No let's really submit a withdraw request to our wallets
try:
withdraw = stawallet_client.schedule_withdraw(
wallet_id=cryptocurrency.wallet_id,
user_id=context.identity.id,
business_uid=context.form.get('businessUid'), # FIXME Do not get this from user directly
is_manual=False, # TODO Check the amount
destination_address=context.form.get('address'),
amount_to_be_withdrawed=cryptocurrency.normalized_to_output(amount),
withdrawal_fee=cryptocurrency.normalized_to_output(withdrawal_fee),
estimated_network_fee=cryptocurrency.normalized_to_output(estimated_network_fee),
is_decharge=False,
)
return withdraw_to_dict(cryptocurrency, withdraw)
except StexchangeException as e:
# try:
# stexchange_client.balance_update(
# user_id=shaparak_out.member_id,
# asset=shaparak_out.payment_gateway.fiat_symbol, # FIXME
# business='cashback', # FIXME
# business_id=shaparak_out.id,
# change=shaparak_out.amount,
# detail=shaparak_out.to_dict(),
# )
# FIXME: Important !!!! : rollback the updated balance if
# DBSession.commit() was not successful
# except StexchangeException as e:
# raise stexchange_http_exception_handler(e)
# TODO: Client should be retry in case of the below exception to prevent client's money loss
logger.info('Wallet access error: ' + e.message)
raise HttpInternalServerError("Wallet access error. Contact administrator.", 'wallet-access-error')