feat(core): google pay decrypt flow (#6991)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Gnanasundari24 <118818938+Gnanasundari24@users.noreply.github.com>

crates/api_models/src/admin.rs

@@ -1468,6 +1468,10 @@ pub struct ConnectorWalletDetails {
     #[serde(skip_serializing_if = "Option::is_none")]
     #[schema(value_type = Option<Object>)]
     pub paze: Option<pii::SecretSerdeValue>,
+    /// This field contains the Google Pay certificates and credentials
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[schema(value_type = Option<Object>)]
+    pub google_pay: Option<pii::SecretSerdeValue>,
 }
 
 /// Create a new Merchant Connector for the merchant account. The connector could be a payment processor / facilitator / acquirer or specialized services like Fraud / Accounting etc."

crates/api_models/src/payments.rs

@@ -5984,6 +5984,57 @@ pub struct SessionTokenForSimplifiedApplePay {
     pub merchant_business_country: Option<api_enums::CountryAlpha2>,
 }
 
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayWalletDetails {
+    pub google_pay: GooglePayDetails,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayDetails {
+    pub provider_details: GooglePayProviderDetails,
+}
+
+// Google Pay Provider Details can of two types: GooglePayMerchantDetails or GooglePayHyperSwitchDetails
+// GooglePayHyperSwitchDetails is not implemented yet
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(untagged)]
+pub enum GooglePayProviderDetails {
+    GooglePayMerchantDetails(GooglePayMerchantDetails),
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayMerchantDetails {
+    pub merchant_info: GooglePayMerchantInfo,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayMerchantInfo {
+    pub merchant_name: String,
+    pub tokenization_specification: GooglePayTokenizationSpecification,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayTokenizationSpecification {
+    #[serde(rename = "type")]
+    pub tokenization_type: GooglePayTokenizationType,
+    pub parameters: GooglePayTokenizationParameters,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum GooglePayTokenizationType {
+    PaymentGateway,
+    Direct,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct GooglePayTokenizationParameters {
+    pub gateway: String,
+    pub public_key: Secret<String>,
+    pub private_key: Secret<String>,
+    pub recipient_id: Option<Secret<String>>,
+}
+
 #[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, ToSchema)]
 #[serde(tag = "wallet_name")]
 #[serde(rename_all = "snake_case")]