refactor: remove transactionReceipt

Author: hyochan

README.md

@@ -260,7 +260,7 @@ let purchase = try await store.requestPurchase(
     OpenIapRequestPurchaseProps(sku: "dev.hyo.premium")
 )
 
-// Validate on your server using purchase.transactionReceipt
+// Validate on your server using purchase.purchaseToken
 // Then finish the transaction manually
 _ = try await store.finishTransaction(purchase: purchase, isConsumable: false)
 ```
@@ -344,7 +344,7 @@ struct OpenIapPurchase {
     let id: String  // Transaction ID
     let productId: String
     let transactionDate: Double  // Unix timestamp in milliseconds
-    let transactionReceipt: String
+    let purchaseToken: String
     let purchaseState: PurchaseState
     let isAutoRenewing: Bool
     let quantity: Int

Sources/Models/OpenIapPurchase.swift

@@ -7,8 +7,7 @@ public struct OpenIapPurchase: Codable, Equatable, Sendable {
     public let productId: String               // Product identifier
     public let ids: [String]?                  // Common field for both platforms
     public let transactionDate: Double         // Unix timestamp in milliseconds
-    public let transactionReceipt: String      // Purchase receipt/token
-    public let purchaseToken: String?          // Purchase token
+    public let purchaseToken: String           // Purchase token (unified: was transactionReceipt)
     public let platform: String                // Always "ios"
     public let quantity: Int                   // Purchase quantity (common field, defaults to 1)
     public let purchaseState: OpenIapPurchaseState    // Purchase state (common field)
@@ -61,7 +60,6 @@ extension OpenIapPurchase {
         self.productId = transaction.productID
         self.ids = nil // Single product purchase
         self.transactionDate = transaction.purchaseDate.timeIntervalSince1970 * 1000  // Unix timestamp in milliseconds
-        self.transactionReceipt = jwsRepresentation ?? String(transaction.id)
         self.purchaseToken = jwsRepresentation ?? String(transaction.id)
         self.platform = "ios"
         self.quantity = transaction.purchasedQuantity

Sources/Models/OpenIapSerialization.swift

@@ -56,7 +56,6 @@ public enum OpenIapSerialization {
             "id": purchase.id,
             "productId": purchase.productId,
             "transactionDate": purchase.transactionDate,
-            "transactionReceipt": purchase.transactionReceipt,
             "purchaseToken": purchase.purchaseToken,
             "quantity": purchase.quantity,
             "purchaseState": purchase.purchaseState.rawValue,

Sources/OpenIapModule.swift

@@ -988,7 +988,6 @@ public final class OpenIapModule: NSObject, OpenIapModuleProtocol {
             "id": purchase.id,
             "productId": purchase.productId,
             "transactionDate": purchase.transactionDate,
-            "transactionReceipt": purchase.transactionReceipt,
             "purchaseToken": purchase.purchaseToken,
             "quantity": purchase.quantity,
             "purchaseState": purchase.purchaseState.rawValue,

Tests/OpenIapTests.swift

@@ -60,7 +60,6 @@ final class OpenIapTests: XCTestCase {
             productId: "dev.hyo.premium",
             ids: ["trans123"],
             transactionDate: now.timeIntervalSince1970 * 1000,
-            transactionReceipt: "receipt_data",
             purchaseToken: "token123",
             platform: "ios",
             quantity: 1,
@@ -146,7 +145,6 @@ final class OpenIapTests: XCTestCase {
                 productId: "product1",
                 ids: ["trans1"],
                 transactionDate: now.timeIntervalSince1970 * 1000,
-                transactionReceipt: "receipt_data",
                 purchaseToken: "token1",
                 platform: "ios",
                 quantity: 1,