feat(core): [Stripe] add bank debits payment method to stripe

[Narayanbhat166]

Type of Change

• New feature

Description

This PR will add support for creating payments using bank_debits payment method. This has been implemented for stripe.
Mandate details have to passed for all the payment methods.

• Sample mandate data

{
"mandate_data": {
        "customer_acceptance": {
            "acceptance_type": "online",
            "accepted_at": "2022-09-10T10:11:12Z",
            "online": {
                "ip_address": "123.32.25.123",
                "user_agent": "Mozilla/5.0 (Linux; Android 12; SM-S906N Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.119 Mobile Safari/537.36"
            }
        },
        "mandate_type": {
            "single_use": {
                "amount": 6540,
                "currency": "USD"
            }
        }
    },
}

• Ach Bank debit in US. Create a merchant_connector_account with business_country as US.

{
"currency":"USD",
"business_country": "US",
"payment_method": "bank_debit",
    "payment_method_type": "ach",
    "payment_method_data": {
        "bank_debit": {
            "ach_bank_debit": {
                "billing_details": {
                    "name": "John Doe",
                    "email": "[email protected]"
                },
                "account_number": "000123456789",
                "routing_number": "110000000"
            }
        }
    }
}

• Sepa. Create a merchant_connector_account in any country of the EU region, example "FR".

{
"currency":"EUR",
"business_country":"FR",
"payment_method": "bank_debit",
    "payment_method_type": "sepa",
    "payment_method_data": {
        "bank_debit": {
            "sepa_bank_debit": {
                "billing_details": {
                    "name": "John Doe",
                    "email": "[email protected]"
                },
                "iban": "DE89370400440532013000"
            }
        }
    }
}

• Becs. Create a merchant_connector_account in AU region.

{
"currency":"AUD",
"payment_method": "bank_debit",
    "payment_method_type": "becs",
    "payment_method_data": {
        "bank_debit": {
            "becs_bank_debit": {
                "billing_details": {
                    "name": "John Doe",
                    "email": "[email protected]"
                },
                "account_number": "000123456",
                "bsb_number": "000000"
            }
        }
    }
}

• Bacs

{
"payment_method_type": "bacs",
    "payment_method_data": {
        "bank_debit": {
            "bacs_bank_debit": {
                "billing_details": {
                    "name": "John Doe",
                    "email": "[email protected]",
                    "address": {
                        "line1": "Street",
                        "line2": "Area",
                        "city": "LDN",
                        "zip": "SW1A",
                        "country": "GB"
                    }
                },
                "account_number": "00012345",
                "sort_code": "108800"
            }
        }
    }
}

Motivation and Context

To support bank_debits payment method for anyone to use. Closes #838

How did you test it?

• ACH bank debit

- Microdeposit verification for ACH

• Sepa bank debit

• Bacs bank debit
  The payment goes to requires_action. This requires some options to be enabled in stripe account.

• Becs bank debit

Checklist

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

[Abhicodes-crypto]

LGTM

[Abhicodes-crypto]

LGTM