verifyPurchase abstract method

Verify a purchase against your own backend. Returns a platform-specific variant of VerifyPurchaseResult — VerifyPurchaseResultIOS exposes isValid

Implementation

Future<VerifyPurchaseResult> verifyPurchase({
  VerifyPurchaseAppleOptions? apple,
  VerifyPurchaseGoogleOptions? google,
  VerifyPurchaseHorizonOptions? horizon,
});