feat(routing): Add API key auth for decision engine endpoints

[spritianeja03]

Type of Change

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

Description

This PR adds API key auth to the decision engine endpoints for the decide gateway call and the update gateway score call.

Additional Changes

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

Motivation and Context

Closes #8613

How did you test it?

decide-gateway

curl --location 'http://localhost:8080/routing/evaluate' \
--header 'Content-Type: application/json' \
--header 'api-key: dev_UnrorzUwWmt9GUkRTalEmIjrWu3JwKNh8TkSZmMJ2Fsm***** \
--data '{           
        "merchantId": "pro_VTQjooFPAyPOBC0aj9Jk",
        "eligibleGatewayList": ["GatewayA", "GatewayB", "GatewayC"],
        "rankingAlgorithm": "SR_BASED_ROUTING",
        "eliminationEnabled": true,
        "paymentInfo": {
            "paymentId": "PAY12359",
            "amount": 100,
            "currency": "USD",
            "customerId": "CUST12345",
            "udfs": null,
            "preferredGateway": null,
            "paymentType": "ORDER_PAYMENT",
            "metadata": null,
            "internalMetadata": null,
            "isEmi": false,
            "emiBank": null,
            "emiTenure": null,
            "paymentMethodType": "credit",
            "paymentMethod": "card",
            "paymentSource": null,
            "authType": null,
            "cardIssuerBankName": null,
            "cardIsin": null,
            "cardType": null,
            "cardSwitchProvider": null
        }
}'

response

{
    "decided_gateway": "GatewayA",
    "gateway_priority_map": {
        "GatewayA": 1.0,
        "GatewayB": 1.0,
        "GatewayC": 1.0
    },
    "filter_wise_gateways": null,
    "priority_logic_tag": null,
    "routing_approach": "SR_SELECTION_V3_ROUTING",
    "gateway_before_evaluation": "GatewayC",
    "priority_logic_output": {
        "isEnforcement": false,
        "gws": [
            "GatewayA",
            "GatewayB",
            "GatewayC"
        ],
        "priorityLogicTag": null,
        "gatewayReferenceIds": {},
        "primaryLogic": null,
        "fallbackLogic": null
    },
    "reset_approach": "NO_RESET",
    "routing_dimension": "ORDER_PAYMENT, CREDIT, card",
    "routing_dimension_level": "PM_LEVEL",
    "is_scheduled_outage": false,
    "is_dynamic_mga_enabled": false,
    "gateway_mga_id_map": null
}

---

update-gateway-score

curl --location 'http://localhost:8080/routing/feedback' \
--header 'Content-Type: application/json' \
--header 'api-key: dev_UnrorzUwWmt9GUkRTalEmIjrWu3JwKNh8TkSZmMJ2Fs******' \
--data '{
  "merchantId" : "pro_VTQjooFPAyPOBC0aj9Jk",
  "gateway": "GatewayC",
  "gatewayReferenceId": null,
  "status": "FAILURE",
  "paymentId": "PAY12359",
  "enforceDynamicRoutingFailure" : null
}'

response

{
    "message": "Success"
}

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

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
crates/router/src/routes/lock_utils.rs	61% smaller
crates/router/src/core/routing.rs	6% smaller
crates/api_models/src/events/routing.rs	0% smaller
crates/api_models/src/open_router.rs	0% smaller
crates/router/src/core/payments/routing/utils.rs	0% smaller
crates/router/src/routes/app.rs	0% smaller
crates/router/src/routes/routing.rs	0% smaller
crates/router_env/src/logger/types.rs	0% smaller