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Don't panic if parameter can not be converted between node and native runtime (#1659)

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* Don't panic if parameter can not be converted between node and native runtime

* FIxes after merge

* Use correct copyright year
This commit is contained in:
Bastian Köcher
2019-02-02 14:13:50 +01:00
committed by Gav Wood
parent 4983f113e6
commit ef4dc12a5d
21 changed files with 216 additions and 67 deletions
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substrate/core/sr-api-macros/src/utils.rs
+10 -8
View File
@@ -58,6 +58,14 @@ pub fn generate_runtime_mod_name_for_trait(trait_: &Ident) -> Ident {
Ident::new(&format!("runtime_decl_for_{}", trait_.to_string()), Span::call_site())
}
/// Get the type of a `syn::ReturnType`.
pub fn return_type_extract_type(rt: &syn::ReturnType) -> Type {
match rt {
syn::ReturnType::Default => parse_quote!( () ),
syn::ReturnType::Type(_, ref ty) => *ty.clone(),
}
}
/// Fold the given `FnDecl` to make it usable on the client side.
pub fn fold_fn_decl_for_client_side(
mut input: FnDecl,
@@ -70,14 +78,8 @@ pub fn fold_fn_decl_for_client_side(
// Wrap the output in a `Result`
input.output = {
let generate_result = |ty: &Type| {
parse_quote!( -> ::std::result::Result<#ty, #crate_::error::Error> )
};
match &input.output {
syn::ReturnType::Default => generate_result(&parse_quote!( () )),
syn::ReturnType::Type(_, ref ty) => generate_result(&ty),
}
let ty = return_type_extract_type(&input.output);
parse_quote!( -> ::std::result::Result<#ty, #crate_::error::Error> )
};
input