def sendToMerchantFromCustomer(self, request, context):
data = request.messageData
d = data.split(",")
hash_op = d[0]
key = d[1]
SendStr = self.merchantMOHelper.RandomSelector()
with grpc.insecure_channel(self.customer_address) as channel:
try:
grpc.channel_ready_future(channel).result(timeout=1)
except grpc.FutureTimeoutError:
print("Connection timeout. Unable to connect to port ",
self.customer_address)
return None
stub = digitalCashService_pb2_grpc.digitalCashServiceStub(channel)
response = stub.sendToCustomerFromMerchant(
digitalCashService_pb2.Message(messageData=SendStr))
message = response.messageData
mess = message.split(',')
hash_ip = self.merchantMOHelper.decrpyt_amount(mess[0])
verify = self.merchantMOHelper.Verify(hash_ip, key, hash_op)
message = "MO_deposit-*-*- " + message
if verify == True:
with grpc.insecure_channel(self.bank_address) as channel:
try:
grpc.channel_ready_future(channel).result(timeout=1)
except grpc.FutureTimeoutError:
print("Connection timeout. Unable to connect to port ",
self.bank_address)
return None
bankStub = digitalCashService_pb2_grpc.digitalCashServiceStub(
channel)
responseFromBank = bankStub.sendToBankFromMerchant(
digitalCashService_pb2.Message(messageData=message))
if (responseFromBank.messageData == "credit_merchant"):
print(
"***INFORMATION*** :: Your account has been successfully credited!!"
)
return digitalCashService_pb2.ack(
success=True,
message="Successfully credited the Merchant.")
else:
print(
"***CRITICAL WARNING*** :: MO is already used, fraudulent transaction has been detected!!"
)
return digitalCashService_pb2.ack(
success=False, message="Fraud has been detected")
return digitalCashService_pb2.ack(success=False,
message="Fraud has been detected")
def ping(self, request, context):
print(request.message)
return digitalCashService_pb2.ack(success=True,
message="Successfully Pinged!!")
def sendToMerchantFromCustomer(self, request, context):
print(
"----------------------Inside sendToMerchantFromCustomer-----------------"
)
data = request.messageData
d = data.split(",")
hash_op = d[0]
key = d[1] #hash output and key recieved
print(data)
SendStr = self.merchantMOHelper.RandomSelector()
print(SendStr)
with grpc.insecure_channel(self.customer_address) as channel:
try:
grpc.channel_ready_future(channel).result(timeout=1)
except grpc.FutureTimeoutError:
print("Connection timeout. Unable to connect to port ")
return None
else:
print("Connected")
stub = digitalCashService_pb2_grpc.digitalCashServiceStub(channel)
response = stub.sendToCustomerFromMerchant(
digitalCashService_pb2.Message(messageData=SendStr))
message = response.messageData
mess = message.split(',')
hash_ip = self.merchantMOHelper.decrpyt_amount(mess[0])
print(hash_ip)
verify = self.merchantMOHelper.Verify(hash_ip, key, hash_op)
print("Verification Status: " + str(verify))
message = "MO_deposit-*-*- " + message
if verify == True:
with grpc.insecure_channel(self.bank_address) as channel:
try:
grpc.channel_ready_future(channel).result(timeout=1)
except grpc.FutureTimeoutError:
print("Connection timeout. Unable to connect to port ")
return None
else:
print("Connected")
bankStub = digitalCashService_pb2_grpc.digitalCashServiceStub(
channel)
print(
"Sending the message to bank----------------------------------"
)
responseFromBank = bankStub.sendToBankFromMerchant(
digitalCashService_pb2.Message(messageData=message))
print("Received from Bank: " +
responseFromBank.messageData)
if (responseFromBank.messageData == "credit_merchant"):
return digitalCashService_pb2.ack(
success=True,
messageData="Successfully credited the Merchant.")
else:
return digitalCashService_pb2.ack(
success=False,
messageData="Fraud has been detected")
return digitalCashService_pb2.Message(
success=False, messageData="Fraud has been detected")