Fix SchemaType implementation of `OnReceivingCis2DataParams<T, A, D…

…>` so that it matches `Serial` and `Deserial` implementations. (#426)

concordium-cis2/CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased changes
 
 - Bump MSRV to 1.72
+- Fix `SchemaType` implementation of `OnReceivingCis2DataParams<T, A, D>` so that it matches `Serial` and `Deserial` implementations.
 
 ## concordium-cis2 6.1.0 (2024-02-22)
 
@@ -31,7 +32,7 @@
 ## concordium-cis2 4.0.0 (2023-06-16)
 
 - Bump concordium-std to version 7.
-p
+
 ## concordium-cis2 3.1.0 (2023-05-08)
 
 - Derive `PartialEq` and `Eq` for the `MetadataUrl` from the CIS2 library.

concordium-cis2/src/lib.rs

@@ -36,7 +36,7 @@
 mod cis2_client;
 pub use cis2_client::{Cis2Client, Cis2ClientError};
 
-use concordium_std::{collections::BTreeMap, *};
+use concordium_std::{collections::BTreeMap, schema::SchemaType, *};
 // Re-export for backward compatibility.
 pub use concordium_std::MetadataUrl;
 #[cfg(not(feature = "std"))]
@@ -1254,7 +1254,7 @@ pub struct OnReceivingCis2Params<T, A> {
 /// with a specific type D for the AdditionalData.
 // Note: For the serialization to be derived according to the CIS2
 // specification, the order of the fields cannot be changed.
-#[derive(Debug, SchemaType)]
+#[derive(Debug)]
 pub struct OnReceivingCis2DataParams<T, A, D> {
     /// The ID of the token received.
     pub token_id: T,
@@ -1292,6 +1292,19 @@ impl<T: Serial, A: Serial, D: Serial> Serial for OnReceivingCis2DataParams<T, A,
     }
 }
 
+/// SchemaType trait for OnReceivingCis2DataParams<T, A, D>.
+impl<T: SchemaType, A: SchemaType, D> SchemaType for OnReceivingCis2DataParams<T, A, D> {
+    fn get_type() -> schema::Type {
+        schema::Type::Struct(schema::Fields::Named(vec![
+            (String::from("token_id"), T::get_type()),
+            (String::from("amount"), A::get_type()),
+            (String::from("from"), Address::get_type()),
+            // The data field is serialized the same as AdditionalData.
+            (String::from("data"), AdditionalData::get_type()),
+        ]))
+    }
+}
+
 /// Identifier for a smart contract standard.
 /// Consists of a string of ASCII characters up to a length of 255.
 ///