fix(connector): [Trustpay] fix deserialization error for incoming web…

…hook response for trustpay and add error code mapping '800.100.203' (juspay#4199)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

crates/router/src/connector/trustpay.rs

@@ -983,7 +983,7 @@ impl api::IncomingWebhook for Trustpay {
  dispute_stage: api_models::enums::DisputeStage::Dispute,
  connector_dispute_id,
  connector_reason: reason.reason.reject_reason,
- connector_reason_code: Some(reason.reason.code),
+ connector_reason_code: reason.reason.code,
  challenge_required_by: None,
  connector_status: payment_info.status.to_string(),
  created_at: None,

crates/router/src/connector/trustpay/transformers.rs

@@ -112,7 +112,7 @@ pub struct Amount {
 #[derive(Default, Debug, Serialize, Deserialize, Eq, PartialEq, Clone)]
 #[serde(rename_all = "PascalCase")]
 pub struct Reason {
- pub code: String,
+ pub code: Option<String>,
  pub reject_reason: Option<String>,
 }
 
@@ -510,6 +510,7 @@ fn is_payment_failed(payment_status: &str) -> (bool, &'static str) {
  "800.100.172" => (true, "Transaction declined (account blocked)"),
  "800.100.190" => (true, "Transaction declined (invalid configuration data)"),
  "800.100.202" => (true, "Account Closed"),
+ "800.100.203" => (true, "Insufficient Funds"),
  "800.120.100" => (true, "Rejected by throttling"),
  "800.300.102" => (true, "Country blacklisted"),
  "800.300.401" => (true, "Bin blacklisted"),
@@ -823,9 +824,16 @@ fn handle_bank_redirects_sync_response(
  .status_reason_information
  .unwrap_or_default();
  Some(types::ErrorResponse {
- code: reason_info.reason.code.clone(),
+ code: reason_info
+ .reason
+ .code
+ .clone()
+ .unwrap_or(consts::NO_ERROR_CODE.to_string()),
  // message vary for the same code, so relying on code alone as it is unique
- message: reason_info.reason.code,
+ message: reason_info
+ .reason
+ .code
+ .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
  reason: reason_info.reason.reject_reason,
  status_code,
  attempt_status: None,
@@ -875,9 +883,16 @@ pub fn handle_webhook_response(
  .status_reason_information
  .unwrap_or_default();
  Some(types::ErrorResponse {
- code: reason_info.reason.code.clone(),
+ code: reason_info
+ .reason
+ .code
+ .clone()
+ .unwrap_or(consts::NO_ERROR_CODE.to_string()),
  // message vary for the same code, so relying on code alone as it is unique
- message: reason_info.reason.code,
+ message: reason_info
+ .reason
+ .code
+ .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
  reason: reason_info.reason.reject_reason,
  status_code,
  attempt_status: None,
@@ -1483,9 +1498,16 @@ fn handle_webhooks_refund_response(
  let error = if utils::is_refund_failure(refund_status) {
  let reason_info = response.status_reason_information.unwrap_or_default();
  Some(types::ErrorResponse {
- code: reason_info.reason.code.clone(),
+ code: reason_info
+ .reason
+ .code
+ .clone()
+ .unwrap_or(consts::NO_ERROR_CODE.to_string()),
  // message vary for the same code, so relying on code alone as it is unique
- message: reason_info.reason.code,
+ message: reason_info
+ .reason
+ .code
+ .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
  reason: reason_info.reason.reject_reason,
  status_code,
  attempt_status: None,
@@ -1540,9 +1562,16 @@ fn handle_bank_redirects_refund_sync_response(
  .status_reason_information
  .unwrap_or_default();
  Some(types::ErrorResponse {
- code: reason_info.reason.code.clone(),
+ code: reason_info
+ .reason
+ .code
+ .clone()
+ .unwrap_or(consts::NO_ERROR_CODE.to_string()),
  // message vary for the same code, so relying on code alone as it is unique
- message: reason_info.reason.code,
+ message: reason_info
+ .reason
+ .code
+ .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
  reason: reason_info.reason.reject_reason,
  status_code,
  attempt_status: None,