[REFACTOR] Worldpay payments integration

[kashif-m]

Feature Description

WorldPay payments integration currently makes use of modular APIs which gives more control over the integration. This approach is not best compatible with HyperSwitch due to WP's 3DS flows - which requires sending PAN (card numbers) in multiple places. For on_session transactions, this would contribute to the added complexity since data is not stored in such transactions (or stored for ~15mins in redis cache).

Migrating to WP's standard payments API follows payment resource creation in an uniform way.

Possible Implementation

Migrate from modular APIs [ref] to standard payment APIs [ref].

Have you spent some time checking if this feature request has been raised before?

• [X] I checked and didn't find a similar issue

Have you read the Contributing Guidelines?

• [X] I have read the Contributing Guidelines

Are you willing to submit a PR?

Yes, I am willing to submit a PR!

[kashif-m]

2

Propagate the refusal codes as error codes in HyperSwitch.

[kashif-m]

3

• Make payment_method_type non-mandatory
• Fix PM filters

[kashif-m]

4

• Add cypress test cases