feat: Allow usage of ExecC and QueryC in other params then Response and Ctx types

examples/contracts/custom/src/cw1.rs

@@ -8,7 +8,6 @@ impl Cw1 for CustomContract {
     type Error = StdError;
     type ExecC = Empty;
     type QueryC = Empty;
-    type CosmosCustomMsg = Empty;
 
     fn execute(&self, _ctx: ExecCtx, _msgs: Vec<CosmosMsg>) -> StdResult<Response> {
         Ok(Response::new())

examples/contracts/cw1-subkeys/src/cw1.rs

@@ -13,12 +13,11 @@ where
     type Error = ContractError;
     type ExecC = E;
     type QueryC = Q;
-    type CosmosCustomMsg = E;
 
     fn execute(
         &self,
         ctx: ExecCtx<Self::QueryC>,
-        msgs: Vec<CosmosMsg<Self::CosmosCustomMsg>>,
+        msgs: Vec<CosmosMsg<Self::ExecC>>,
     ) -> Result<Response<Self::ExecC>, Self::Error> {
         let authorized: StdResult<_> = msgs.iter().try_fold(true, |acc, msg| {
             Ok(acc & self.is_authorized(ctx.deps.as_ref(), &ctx.env, &ctx.info.sender, msg)?)
@@ -37,7 +36,7 @@ where
         &self,
         ctx: QueryCtx<Self::QueryC>,
         sender: String,
-        msg: CosmosMsg<Self::CosmosCustomMsg>,
+        msg: CosmosMsg<Self::ExecC>,
     ) -> StdResult<CanExecuteResp> {
         let sender = Addr::unchecked(sender);
 

examples/contracts/cw1-whitelist/src/cw1.rs

@@ -13,12 +13,11 @@ where
     type Error = ContractError;
     type ExecC = E;
     type QueryC = Q;
-    type CosmosCustomMsg = E;
 
     fn execute(
         &self,
         ctx: ExecCtx<Self::QueryC>,
-        msgs: Vec<CosmosMsg<Self::CosmosCustomMsg>>,
+        msgs: Vec<CosmosMsg<Self::ExecC>>,
     ) -> Result<Response<Self::ExecC>, ContractError> {
         if !self.is_admin(ctx.deps.as_ref(), &ctx.info.sender) {
             return Err(ContractError::Unauthorized);
@@ -34,7 +33,7 @@ where
         &self,
         ctx: QueryCtx<Self::QueryC>,
         sender: String,
-        _msg: CosmosMsg<Self::CosmosCustomMsg>,
+        _msg: CosmosMsg<Self::ExecC>,
     ) -> StdResult<CanExecuteResp> {
         let resp = CanExecuteResp {
             can_execute: self.is_admin(ctx.deps, &Addr::unchecked(sender)),

examples/contracts/generic_contract/src/cw1.rs

@@ -35,7 +35,6 @@ impl<
     type Error = StdError;
     type ExecC = Empty;
     type QueryC = Empty;
-    type CosmosCustomMsg = Empty;
 
     fn execute(&self, _ctx: ExecCtx, _msgs: Vec<CosmosMsg>) -> StdResult<Response> {
         Ok(Response::new())

examples/contracts/generic_iface_on_contract/src/cw1.rs

@@ -6,7 +6,6 @@ impl Cw1 for crate::contract::NonGenericContract {
     type Error = StdError;
     type ExecC = Empty;
     type QueryC = Empty;
-    type CosmosCustomMsg = Empty;
 
     fn execute(&self, _ctx: ExecCtx, _msgs: Vec<CosmosMsg>) -> StdResult<Response> {
         Ok(Response::new())

examples/contracts/generics_forwarded/src/cw1.rs

@@ -59,7 +59,6 @@ where
     type Error = ContractError;
     type ExecC = Empty;
     type QueryC = Empty;
-    type CosmosCustomMsg = Empty;
 
     fn execute(&self, _ctx: ExecCtx, _msgs: Vec<CosmosMsg>) -> Result<Response, Self::Error> {
         Ok(Response::new())

examples/interfaces/custom-and-generic/src/lib.rs

@@ -79,6 +79,9 @@ mod tests {
     #[cosmwasm_schema::cw_serde]
     pub struct SvCustomMsg;
     impl cosmwasm_std::CustomMsg for SvCustomMsg {}
+    #[cosmwasm_schema::cw_serde]
+    pub struct SvCustomQuery;
+    impl cosmwasm_std::CustomQuery for SvCustomQuery {}
 
     #[test]
     fn construct_messages() {
@@ -121,8 +124,8 @@ mod tests {
                 Sudo2T = SvCustomMsg,
                 Sudo3T = SvCustomMsg,
                 Error = (),
-                ExecC = (),
-                QueryC = (),
+                ExecC = SvCustomMsg,
+                QueryC = SvCustomQuery,
             >,
         >::borrowed(&contract, &querier_wrapper);
 
@@ -147,6 +150,8 @@ mod tests {
             SvCustomMsg,
             SvCustomMsg,
             SvCustomMsg,
+            SvCustomQuery,
+            SvCustomMsg,
         > as InterfaceApi>::Query::custom_generic_query_one(
             SvCustomMsg {}, SvCustomMsg {}
         );
@@ -162,6 +167,8 @@ mod tests {
             SvCustomMsg,
             SvCustomMsg,
             SvCustomMsg,
+            SvCustomQuery,
+            SvCustomMsg,
         > as InterfaceApi>::Exec::custom_generic_execute_one(
             vec![CosmosMsg::Custom(SvCustomMsg {})],
             vec![CosmosMsg::Custom(SvCustomMsg {})],
@@ -178,6 +185,8 @@ mod tests {
             SvCustomMsg,
             SvCustomMsg,
             SvCustomMsg,
+            SvCustomQuery,
+            SvCustomMsg,
         > as InterfaceApi>::Exec::custom_generic_execute_two(
             vec![CosmosMsg::Custom(SvCustomMsg {})],
             vec![CosmosMsg::Custom(SvCustomMsg {})],
@@ -194,6 +203,8 @@ mod tests {
             SvCustomMsg,
             SvCustomMsg,
             SvCustomMsg,
+            SvCustomQuery,
+            SvCustomMsg,
         > as InterfaceApi>::Sudo::custom_generic_sudo_one(
             CosmosMsg::Custom(SvCustomMsg {}),
             CosmosMsg::Custom(SvCustomMsg {}),
@@ -210,6 +221,8 @@ mod tests {
             SvCustomMsg,
             SvCustomMsg,
             SvCustomMsg,
+            SvCustomQuery,
+            SvCustomMsg,
         > as InterfaceApi>::Sudo::custom_generic_sudo_one(
             CosmosMsg::Custom(SvCustomMsg {}),
             CosmosMsg::Custom(SvCustomMsg {}),

examples/interfaces/cw1/src/lib.rs

@@ -15,7 +15,6 @@ pub trait Cw1 {
     type Error: From<StdError>;
     type ExecC: CustomMsg;
     type QueryC: CustomQuery;
-    type CosmosCustomMsg: CustomMsg;
 
     /// Execute requests the contract to re-dispatch all these messages with the
     /// contract's address as sender. Every implementation has it's own logic to
@@ -24,7 +23,7 @@ pub trait Cw1 {
     fn execute(
         &self,
         ctx: ExecCtx<Self::QueryC>,
-        msgs: Vec<CosmosMsg<Self::CosmosCustomMsg>>,
+        msgs: Vec<CosmosMsg<Self::ExecC>>,
     ) -> Result<Response<Self::ExecC>, Self::Error>;
 
     /// Checks permissions of the caller on this proxy.
@@ -35,7 +34,7 @@ pub trait Cw1 {
         &self,
         ctx: QueryCtx<Self::QueryC>,
         sender: String,
-        msg: CosmosMsg<Self::CosmosCustomMsg>,
+        msg: CosmosMsg<Self::ExecC>,
     ) -> StdResult<CanExecuteResp>;
 }
 

sylvia-derive/src/associated_types.rs

@@ -5,7 +5,6 @@ use syn::{parse_quote, ItemTrait, TraitItem, TraitItemType, WhereClause, WherePr
 pub const ERROR_TYPE: &str = "Error";
 pub const EXEC_TYPE: &str = "ExecC";
 pub const QUERY_TYPE: &str = "QueryC";
-pub const RESERVED_TYPES: [&str; 3] = [ERROR_TYPE, EXEC_TYPE, QUERY_TYPE];
 
 #[derive(Default)]
 pub struct AssociatedTypes<'a>(Vec<&'a TraitItemType>);
@@ -35,19 +34,8 @@ impl<'a> AssociatedTypes<'a> {
             .cloned()
     }
 
-    pub fn without_special(&self) -> impl Iterator<Item = &TraitItemType> {
-        self.0
-            .iter()
-            .filter(|associated| {
-                !RESERVED_TYPES
-                    .iter()
-                    .any(|reserved| reserved == &associated.ident.to_string().as_str())
-            })
-            .cloned()
-    }
-
     pub fn as_where_predicates(&self) -> Vec<WherePredicate> {
-        self.without_special()
+        self.without_error()
             .map(|associated| {
                 let name = &associated.ident;
                 let colon = &associated.colon_token;
@@ -66,10 +54,6 @@ impl<'a> AssociatedTypes<'a> {
         }
     }
 
-    pub fn as_filtered_names(&self) -> impl Iterator<Item = &Ident> {
-        self.filtered().map(|associated| &associated.ident)
-    }
-
     pub fn emit_contract_predicate(&self, trait_name: &Ident) -> TokenStream {
         let predicate = quote! { ContractT: #trait_name };
         if self.0.is_empty() {
@@ -85,17 +69,6 @@ impl<'a> AssociatedTypes<'a> {
             #predicate < #(#bounds,)* >
         }
     }
-
-    pub fn filtered(&self) -> impl Iterator<Item = &TraitItemType> {
-        self.0
-            .iter()
-            .filter(|associated| {
-                !RESERVED_TYPES
-                    .iter()
-                    .any(|reserved| reserved == &associated.ident.to_string().as_str())
-            })
-            .cloned()
-    }
 }
 
 pub trait ItemType {

sylvia-derive/src/executor.rs

@@ -41,7 +41,7 @@ where
         } = self;
 
         let generics: Vec<_> = associated_types
-            .without_special()
+            .without_error()
             .map(ItemType::as_name)
             .collect();
         let all_generics: Vec<_> = associated_types.all_names().collect();
@@ -64,7 +64,7 @@ where
             .variants()
             .map(|variant| variant.emit_executor_method_declaration());
 
-        let types_declaration = associated_types.filtered().collect::<Vec<_>>();
+        let types_declaration = associated_types.without_error().collect::<Vec<_>>();
         let where_clause = associated_types.as_where_clause();
 
         quote! {

sylvia-derive/src/input.rs

@@ -90,7 +90,10 @@ impl<'a> TraitInput<'a> {
             custom,
         } = self;
         let messages = self.emit_messages();
-        let associated_names: Vec<_> = associated_types.as_filtered_names().collect();
+        let associated_names: Vec<_> = associated_types
+            .without_error()
+            .map(ItemType::as_name)
+            .collect();
 
         let executor_variants =
             MsgVariants::new(item.as_variants(), MsgType::Exec, &associated_names, &None);

sylvia-derive/src/message.rs

@@ -1226,7 +1226,7 @@ impl<'a> InterfaceApi<'a> {
 
         let interface_name = &source.ident;
         let generics: Vec<_> = associated_types
-            .without_special()
+            .without_error()
             .map(ItemType::as_name)
             .collect();
         let exec_variants = MsgVariants::new(

sylvia-derive/src/multitest.rs

@@ -686,7 +686,7 @@ impl<'a> TraitMtHelpers<'a> {
             .collect();
 
         let associated_args_for_api: Vec<_> = associated_types
-            .without_special()
+            .without_error()
             .map(|associated| {
                 let assoc = &associated.ident;
                 quote! { Self:: #assoc }

sylvia-derive/src/querier.rs

@@ -41,7 +41,7 @@ where
         } = self;
 
         let generics: Vec<_> = associated_types
-            .without_special()
+            .without_error()
             .map(ItemType::as_name)
             .collect();
         let all_generics: Vec<_> = associated_types.all_names().collect();
@@ -63,7 +63,7 @@ where
             .variants()
             .map(|variant| variant.emit_querier_method_declaration());
 
-        let types_declaration = associated_types.filtered().collect::<Vec<_>>();
+        let types_declaration = associated_types.without_error().collect::<Vec<_>>();
         let where_clause = associated_types.as_where_clause();
 
         quote! {