lang: fix missing account name info when deser fails when using 'init' or 'zero' (#1800)

CHANGELOG.md

@@ -17,6 +17,7 @@ The minor version will be incremented upon a breaking change and the patch versi
 ### Fixes
 
 * cli: Move `overflow-checks` into workspace `Cargo.toml` so that it will not be ignored by compiler ([#1806](https://github.com/project-serum/anchor/pull/1806)).
+* lang: Fix missing account name information when deserialization fails when using `init` or `zero` ([#1800](https://github.com/project-serum/anchor/pull/1800)).
 
 ## [0.24.2] - 2022-04-13
 

lang/syn/src/lib.rs

@@ -287,6 +287,7 @@ impl Field {
         checked: bool,
     ) -> proc_macro2::TokenStream {
         let field = &self.ident;
+        let field_str = field.to_string();
         let container_ty = self.container_ty();
         let owner_addr = match &kind {
             None => quote! { program_id },
@@ -307,13 +308,13 @@ impl Field {
                     quote! {
                         #container_ty::try_from(
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 } else {
                     quote! {
                         #container_ty::try_from_unchecked(
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 };
                 if *boxed {
@@ -329,13 +330,13 @@ impl Field {
                     quote! {
                         #container_ty::try_from(
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 } else {
                     quote! {
                         #container_ty::try_from_unchecked(
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 }
             }
@@ -344,14 +345,14 @@ impl Field {
                     quote! {
                         #container_ty::try_from(
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 } else {
                     quote! {
                         #container_ty::try_from_unchecked(
                             #owner_addr,
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 }
             }
@@ -361,14 +362,14 @@ impl Field {
                         #container_ty::try_from(
                             #owner_addr,
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 } else {
                     quote! {
                         #container_ty::try_from_unchecked(
                             #owner_addr,
                             &#field,
-                        )?
+                        ).map_err(|e| e.with_account_name(#field_str))?
                     }
                 }
             }