feat: stylus parse price feed updates fxn

target_chains/stylus/contracts/pyth-receiver/src/error.rs

@@ -17,6 +17,8 @@ pub enum PythReceiverError {
     InsufficientFee,
     InvalidEmitterAddress,
     TooManyUpdates,
+    PriceFeedNotFoundWithinRange,
+    NoFreshUpdate,
 }
 
 impl core::fmt::Debug for PythReceiverError {
@@ -43,6 +45,8 @@ impl From<PythReceiverError> for Vec<u8> {
             PythReceiverError::InsufficientFee => 13,
             PythReceiverError::InvalidEmitterAddress => 14,
             PythReceiverError::TooManyUpdates => 15,
+            PythReceiverError::PriceFeedNotFoundWithinRange => 16,
+            PythReceiverError::NoFreshUpdate => 17,
         }]
     }
 }

target_chains/stylus/contracts/pyth-receiver/src/integration_tests.rs

@@ -342,4 +342,14 @@ mod test {
             multiple_updates_diff_vaa_results()[1]
         );
     }
+
+    #[motsu::test]
+    fn test_multiple_updates_same_id_updates_latest(
+        pyth_contract: Contract<PythReceiver>,
+        wormhole_contract: Contract<WormholeContract>,
+        alice: Address,
+    ) {
+        pyth_wormhole_init(&pyth_contract, &wormhole_contract, &alice);
+        alice.fund(U256::from(200));
+    }
 }