fix(euclid): change the address taken in SessionFlowRouting from shipping to billing address

[prajjwalkumar17]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

Currently Shipping country is being used in SessionFlowRouting, which affects the PaymentMethodList as the later depends on billing country.

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

Payment method list was failing due to shipping country being used in SessionFlowRouting.

How did you test it?

Flow followed

Request 1: mca create request (Adyen)

curl --location 'http://127.0.0.1:8080/account/merchant_1721842730/connectors' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: xxxxxx' \
--data '
{
    "connector_type": "fiz_operations",
    "connector_name": "adyen",
    "connector_account_details": {
        "auth_type": "BodyKey",
        "api_key": "{{connector_api_key}}",
        "key1": "{{connector_key1}}",
        "api_secret": "{{connector_api_secret}}"
    },
    "test_mode": false,
    "disabled": false,
    "business_country": "US",
    "business_label": "default",
    "payment_methods_enabled": [
        {
            "payment_method": "bank_redirect",
            "payment_method_types": [
                {
                    "payment_method_type": "ideal",
                    "recurring_enabled": true,
                    "installment_payment_enabled": true,
                    "payment_experience": "redirect_to_url"
                }
            ]
        }
    ],
    "metadata": {
        "endpoint_prefix": ""
    },
    "connector_webhook_details": {
        "merchant_secret": "xxxxxx"
    }
}'

Request 2: Payment Create Request (with billing_country = NL & shipping_country = IN)

curl --location 'http://127.0.0.1:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key:xxxxxx' \
--data-raw '
{
    "amount": 6540,
    "currency": "EUR",
    "confirm": false,
    "capture_method": "automatic",
    "capture_on": "2022-09-10T10:11:12Z",
    "amount_to_capture": 6540,
    "customer_id": "cus26",
    "email": "[email protected]",
    "name": "John Doe",
    "phone": "999999999",
    "phone_country_code": "+65",
    "description": "Its my first payment request",
    "authentication_type": "no_three_ds",
    "return_url": "https://google.com",
    "billing": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "NL",
            "first_name": "joseph",
            "last_name": "Doe"
        },
        "phone": {
            "number": "8056594427",
            "country_code": "+91"
        }
    },
    "shipping": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "IN",
            "first_name": "joseph",
            "last_name": "Doe"
        },
        "phone": {
            "number": "8056594427",
            "country_code": "+91"
        }
    },
    "statement_descriptor_name": "joseph",
    "statement_descriptor_suffix": "JS",
    "metadata": {
        "udf1": "value1",
        "new_customer": "true",
        "login_date": "2019-09-10T10:11:12Z"
    }
}
'

Request 3: List Merchant Payment Methods

curl --location 'http://127.0.0.1:8080/account/payment_methods?client_secret=pay_pjPrnplx4iezrnZVq9OP_secret_G0Oc8N6SoTMKJpfYMEqZ' \
--header 'Accept: application/json' \
--header 'api-key: pk_dev_a5ea68aa142c4bb8ad07d0570166d26a' \
--data ''

Response
Ideal should come

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible