Add fee getter for ExampleAppV1

synapsecns · Mar 21, 2024 · f697db0 · f697db0
1 parent af7cea7
commit f697db0
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/packages/contracts-communication/contracts/apps/examples/ExampleAppV1.sol b/packages/contracts-communication/contracts/apps/examples/ExampleAppV1.sol
@@ -40,6 +40,20 @@ contract ExampleAppV1 is ICAppV1 {
         emit MessageSent(dstChainId, desc.dbNonce, desc.entryIndex, desc.transactionId);
     }
 
+    /// @notice Returns the fee required to send a message using `sendMessage`.
+    function getMessageFee(
+        uint256 dstChainId,
+        uint256 gasLimit,
+        uint256 gasAirdrop,
+        bytes memory message
+    )
+        external
+        view
+        returns (uint256)
+    {
+        return _getMessageFee(dstChainId, OptionsV1({gasLimit: gasLimit, gasAirdrop: gasAirdrop}), message);
+    }
+
     /// @dev Internal logic for receiving messages. At this point the validity of the message is already checked.
     function _receiveMessage(
         uint256 srcChainId,