def send_payment_share(destination, amount, idem, description=None):
client = coinbase_utils.get_api_client()
account = client.get_primary_account()
transaction = account.send_money(
to=destination,
amount=bitcoin_utils.get_valid_btc_amount(amount),
currency=CURRENCY_BTC,
idem=idem,
description=description)
return transaction
def send_payment_share(destination, amount, idem, description=None):
client = coinbase_utils.get_api_client()
account = client.get_primary_account()
transaction = account.send_money(
to=destination,
amount=bitcoin_utils.get_valid_btc_amount(amount),
currency=CURRENCY_BTC,
idem=idem,
description=description
)
return transaction
def complete_bitpesa_payment(transaction):
bp_transaction_id = transaction.get(bitpesa.KEY_ID, None)
metadata = transaction.get(bitpesa.KEY_METADATA, None)
reference = metadata.get(bitpesa.KEY_REFERENCE, None)
bp_idem_key = metadata.get(bitpesa.KEY_IDEM_KEY, None)
input_amount = Decimal('%s' % transaction.get(bitpesa.KEY_INPUT_AMOUNT, 0))
payin_methods = transaction.get(bitpesa.KEY_PAYIN_METHODS, None)
destination_address = None
if payin_methods:
out_details = payin_methods[0][bitpesa.KEY_OUT_DETAILS]
# Key was originally 'bitcoin_address' on first test but it appeared to have 'Address',
# Check both for redundancy and inquire from BitPesa on this
if bitpesa.KEY_BITCOIN_ADDRESS in out_details:
destination_address = out_details.get(bitpesa.KEY_BITCOIN_ADDRESS, None)
else:
destination_address = out_details.get("Address", None)
if not destination_address:
destination_address = payin_methods[0][bitpesa.KEY_IN_DETAILS].get(bitpesa.KEY_ADDRESS, None)
if destination_address:
try:
payment = ParticipantPayment.objects.get(
id=reference, ref=bp_transaction_id, extra=bp_idem_key, status=STATUS_INITIATED
)
except:
payment = None
if payment:
transaction_state = transaction.get(bitpesa.KEY_STATE, None)
if transaction_state == bitpesa.VALUE_APPROVED:
share_amount = Decimal(
bitcoin_utils.get_valid_btc_amount(
payment.source.btc_received * Decimal(payment.participant.payment_share)
)
)
if input_amount <= share_amount:
cb_transaction = send_payment_share(
destination=destination_address,
amount=input_amount,
idem='{}-bitpesa-{}'.format(str(payment.idem_key), bp_transaction_id)[:60],
description='%s - %s' % (
payment.participant.task.summary, payment.participant.user.display_name
)
)
if cb_transaction.status not in [
coinbase_utils.TRANSACTION_STATUS_FAILED, coinbase_utils.TRANSACTION_STATUS_EXPIRED,
coinbase_utils.TRANSACTION_STATUS_CANCELED
]:
payment.btc_sent = input_amount
payment.destination = destination_address
payment.ref = cb_transaction.id
payment.status = STATUS_PROCESSING
payment.extra = json.dumps(dict(bitpesa=bp_transaction_id))
payment.sent_at = datetime.datetime.utcnow()
payment.save() # Save immediately incase next step fails
payment.btc_price = coinbase_utils.get_btc_price(
payment.source.task and payment.source.task.currency or
payment.source.multi_pay_key.currency
)
payment.save()
return True
elif transaction_state == bitpesa.VALUE_CANCELED:
# Fail for canceled BitPesa transactions
if payment.status == STATUS_INITIATED:
# Switch status to pending if BTC hasn't already been sent
payment.status = STATUS_PENDING
payment.save()
return False
def distribute_task_payment(task, force_distribution=False, destination=None, target_payment=None):
if not force_distribution:
return
task = clean_instance(task, Task)
if not task.paid:
return
if task.pay_distributed and not target_payment:
return
pay_description = task.summary
participation_shares = task.get_payment_shares()
# Distribute all payments for this task
payments = TaskPayment.objects.filter(
Q(multi_pay_key__tasks=task) | Q(multi_pay_key__distribute_tasks=task) | (Q(task=task) & Q(processed=False)),
received_at__isnull=False, payment_type=PAYMENT_METHOD_BITCOIN
)
if target_payment:
payments.filter(id=target_payment)
task_distribution = []
for payment in payments:
portion_distribution = []
for item in participation_shares:
participant = item['participant']
share = item['share']
share_amount = Decimal(share) * payment.task_pay_share(task)
portion_sent = False
if not participant.user:
continue
participant_pay, created = ParticipantPayment.objects.get_or_create(
source=payment, participant=participant
)
payment_method = participant.user.payment_method
if created or (participant_pay and participant_pay.status in [STATUS_PENDING, STATUS_RETRY]):
if destination or payment_method in [PAYMENT_METHOD_BTC_ADDRESS, PAYMENT_METHOD_BTC_WALLET]:
pay_destination = destination
if not pay_destination:
pay_destination = participant_pay.destination
if not (pay_destination and bitcoin_utils.is_valid_btc_address(pay_destination)):
pay_destination = participant.user.btc_address
tunga_wallet_balance = coinbase_utils.get_account_balance()
transaction = send_payment_share(
destination=pay_destination,
amount=share_amount,
idem=str(participant_pay.idem_key),
description='{} - {}'.format(pay_description, participant.user.display_name)
)
if transaction.status not in [
coinbase_utils.TRANSACTION_STATUS_FAILED, coinbase_utils.TRANSACTION_STATUS_EXPIRED,
coinbase_utils.TRANSACTION_STATUS_CANCELED
]:
participant_pay.ref = transaction.id
participant_pay.btc_sent = abs(Decimal(transaction.amount.amount))
participant_pay.status = STATUS_PROCESSING
participant_pay.sent_at = datetime.datetime.utcnow()
participant_pay.save()
portion_sent = True
elif payment_method == PAYMENT_METHOD_MOBILE_MONEY:
tunga_wallet_balance = coinbase_utils.get_account_balance()
if tunga_wallet_balance > share_amount:
# Only attempt BitPesa payment if Wallet has enough balance
recipients = [
{
bitpesa.KEY_REQUESTED_AMOUNT: float(
bitcoin_utils.get_valid_btc_amount(share_amount)
),
bitpesa.KEY_REQUESTED_CURRENCY: CURRENCY_BTC,
bitpesa.KEY_PAYOUT_METHOD: {
bitpesa.KEY_TYPE: bitpesa.get_pay_out_method(participant.user.mobile_money_cc),
bitpesa.KEY_DETAILS: {
bitpesa.KEY_FIRST_NAME: participant.user.first_name,
bitpesa.KEY_LAST_NAME: participant.user.last_name,
bitpesa.KEY_PHONE_NUMBER: participant.user.mobile_money_number
}
}
}
]
bitpesa_nonce = str(uuid4())
transaction = bitpesa.create_transaction(
BITPESA_SENDER, recipients, input_currency=CURRENCY_BTC,
transaction_id=participant_pay.id, nonce=bitpesa_nonce
)
if transaction:
participant_pay.external_created_at = datetime.datetime.utcnow()
participant_pay.ref = transaction.get(bitpesa.KEY_ID, None)
participant_pay.status = STATUS_INITIATED
participant_pay.extra = bitpesa_nonce
participant_pay.save()
if complete_bitpesa_payment(transaction):
portion_sent = True
else:
# TODO: Notify via Slack of failed payment due to balance
pass
elif participant_pay and payment_method == PAYMENT_METHOD_MOBILE_MONEY and \
participant_pay.status == STATUS_INITIATED:
tunga_wallet_balance = coinbase_utils.get_account_balance()
if tunga_wallet_balance > share_amount:
# Only attempt BitPesa payment if Wallet has enough balance
transaction = bitpesa.get_transaction(participant_pay.ref)
if transaction and complete_bitpesa_payment(transaction):
portion_sent = True
else:
# TODO: Notify via Slack of failed payment due to balance
pass
portion_distribution.append(portion_sent)
if portion_distribution and False not in portion_distribution:
payment.processed = True
payment.save()
task_distribution.append(True)
else:
task_distribution.append(False)
if task_distribution and not (False in task_distribution):
task.pay_distributed = True
task.save()
def distribute_task_payment(task):
task = clean_instance(task, Task)
if not task.paid:
return
if task.pay_distributed:
return
pay_description = task.summary
participation_shares = task.get_payment_shares()
# Distribute all payments for this task
payments = TaskPayment.objects.filter(
Q(multi_pay_key__tasks=task) | Q(multi_pay_key__distribute_tasks=task)
| (Q(task=task) & Q(processed=False)),
received_at__isnull=False,
payment_type=TASK_PAYMENT_METHOD_BITCOIN)
task_distribution = []
for payment in payments:
portion_distribution = []
for item in participation_shares:
participant = item['participant']
share = item['share']
portion_sent = False
if not participant.user:
continue
participant_pay, created = ParticipantPayment.objects.get_or_create(
source=payment, participant=participant)
payment_method = participant.user.payment_method
if created or (participant_pay
and participant_pay.status == STATUS_PENDING):
if payment_method in [
PAYMENT_METHOD_BTC_ADDRESS, PAYMENT_METHOD_BTC_WALLET
]:
if not (participant_pay.destination
and bitcoin_utils.is_valid_btc_address(
participant_pay.destination)):
participant_pay.destination = participant.user.btc_address
transaction = send_payment_share(
destination=participant_pay.destination,
amount=Decimal(share) * payment.task_btc_share(task),
idem=str(participant_pay.idem_key),
description='%s - %s' %
(pay_description, participant.user.display_name))
if transaction.status not in [
coinbase_utils.TRANSACTION_STATUS_FAILED,
coinbase_utils.TRANSACTION_STATUS_EXPIRED,
coinbase_utils.TRANSACTION_STATUS_CANCELED
]:
participant_pay.ref = transaction.id
participant_pay.btc_sent = abs(
Decimal(transaction.amount.amount))
participant_pay.status = STATUS_PROCESSING
participant_pay.save()
portion_sent = True
elif payment_method == PAYMENT_METHOD_MOBILE_MONEY:
share_amount = Decimal(share) * payment.task_btc_share(
task)
recipients = [{
bitpesa.KEY_REQUESTED_AMOUNT:
float(
bitcoin_utils.get_valid_btc_amount(share_amount)),
bitpesa.KEY_REQUESTED_CURRENCY:
CURRENCY_BTC,
bitpesa.KEY_PAYOUT_METHOD: {
bitpesa.KEY_TYPE:
bitpesa.get_pay_out_method(
participant.user.mobile_money_cc),
bitpesa.KEY_DETAILS: {
bitpesa.KEY_FIRST_NAME:
participant.user.first_name,
bitpesa.KEY_LAST_NAME:
participant.user.last_name,
bitpesa.KEY_PHONE_NUMBER:
participant.user.mobile_money_number
}
}
}]
bitpesa_nonce = str(uuid4())
transaction = bitpesa.create_transaction(
BITPESA_SENDER,
recipients,
input_currency=CURRENCY_BTC,
transaction_id=participant_pay.id,
nonce=bitpesa_nonce)
if transaction:
participant_pay.ref = transaction.get(
bitpesa.KEY_ID, None)
participant_pay.status = STATUS_INITIATED
participant_pay.extra = bitpesa_nonce
participant_pay.save()
if complete_bitpesa_payment(transaction):
portion_sent = True
elif participant_pay and payment_method == PAYMENT_METHOD_MOBILE_MONEY and \
participant_pay.status == STATUS_INITIATED:
transaction_details = bitpesa.call_api(
bitpesa.get_endpoint_url('transactions/%s' %
participant_pay.ref),
'GET',
str(uuid4()),
data={})
transaction = transaction_details.json().get(
bitpesa.KEY_OBJECT)
if transaction and complete_bitpesa_payment(transaction):
portion_sent = True
portion_distribution.append(portion_sent)
if portion_distribution and False not in portion_distribution:
payment.processed = True
payment.save()
task_distribution.append(True)
else:
task_distribution.append(False)
if task_distribution and not (False in task_distribution):
task.pay_distributed = True
task.save()