def create_transaction(**data):
if not data["transaction"]:
raise ValueError("Transaction ID is required")
# If we already had the transaction recorded, we can just update the confirmations
transaction = get_transaction(transaction_id=data["transaction"])
# Get a rpc client for the payment currency type
client = CoindClient(data["currency"])
# Get the transaction data
transaction_data = client.get_transaction(data["transaction"])
data.update({
"amount": transaction_data.amount,
"fee": transaction_data.fee,
"confirmations": transaction_data.confirmations,
"category": transaction_data.category
})
# Find the payment associated with the receiving address
payment = payments.get_payment(merchant_address=transaction_data.address)
# Either update the confirmations on the existing transaction, or create a new transaction
if transaction:
transaction.confirmations = transaction_data.confirmations
else:
if payment:
data["payment_id"] = payment.id
transaction_data, errors = TransactionSchema().load(data)
transaction = Transaction(**transaction_data)
if payment:
payments.update_status(payment)
return transaction
def process_withdrawal(payment):
if not hasattr(payment, "id"):
payment = get_payment(payment)
if not payment:
raise ValueError("Invalid payment id")
# Check if a withdrawal already exists for this payment
withdrawal = Withdrawal.by_payment(payment.id)
if withdrawal:
return withdrawal
# Check the payment has been paid and confirmed
is_paid = payment.amount_confirmed() == payment.amount
if not is_paid:
raise ValueError("Payment has not been confirmed")
# Get a RPC client for the payment currency type
client = CoindClient(payment.currency)
# Send the payment to the merchant
transaction_id = client.send(payment.merchant_address, payment.amount)
# Create the withdrawal record
withdrawal_data = dict(payment_id=payment.id, transaction_id=transaction_id)
withdrawal = Withdrawal.from_dict(withdrawal_data)
return withdrawal
def process_withdrawal(payment):
if not hasattr(payment, "id"):
payment = get_payment(payment)
if not payment:
raise ValueError("Invalid payment id")
# Check if a withdrawal already exists for this payment
withdrawal = Withdrawal.by_payment(payment.id)
if withdrawal:
return withdrawal
# Check the payment has been paid and confirmed
is_paid = payment.amount_confirmed() == payment.amount
if not is_paid:
raise ValueError("Payment has not been confirmed")
# Get a RPC client for the payment currency type
client = CoindClient(payment.currency)
# Send the payment to the merchant
transaction_id = client.send(payment.merchant_address, payment.amount)
# Create the withdrawal record
withdrawal_data = dict(payment_id=payment.id,
transaction_id=transaction_id)
withdrawal = Withdrawal.from_dict(withdrawal_data)
return withdrawal
def create_payment(**raw_data):
# Get a rpc client for the payment currency type
client = CoindClient(raw_data.get("currency"))
# Parse the input payment data
data, errors = PaymentSchema().load(raw_data)
# Check if the merchant address is a valid crypto address
valid_address = client.is_valid_address(data.get("merchant_address"))
if not valid_address:
raise ValueError("Invalid address")
# Generate a new wallet address for this payment
data["payment_address"] = client.create_address()
payment = Payment(**data)
return payment
def create_payment(**raw_data):
# Get a rpc client for the payment currency type
client = CoindClient(raw_data.get("currency"))
# Parse the input payment data
data, errors = PaymentSchema().load(raw_data)
# Check if the merchant address is a valid crypto address
valid_address = client.is_valid_address(data.get("merchant_address"))
if not valid_address:
raise ValueError("Invalid address")
# Generate a new wallet address for this payment
data["payment_address"] = client.create_address()
payment = Payment(**data)
return payment
def update_unconfirmed_transactions(currency):
transactions = get_unconfirmed(currency)
client = CoindClient(currency)
updated_transactions = []
# Update the confirmations count of unconfirmed transactions
for transaction in transactions:
info = client.get_transaction(transaction.transaction_id)
if info.confirmations != transaction.confirmations:
transaction.confirmations = info.confirmations
updated_transactions.append(transaction)
# Update the status of any payments that had changes in their transactions
updated_payments = list(set([t.payment_id for t in updated_transactions]))
for payment_id in updated_payments:
payments.update_status(payment_id)
return updated_transactions
