From d5c23beced80ce84e7e6273a731330ed2b6a1ece Mon Sep 17 00:00:00 2001
From: Olivier Desenfans <desenfans.olivier@gmail.com>
Date: Wed, 31 Dec 2025 01:06:28 +0100
Subject: [PATCH] fix: make `TypeError` usable in `MessageError`

* Renamed to `InvalidType`
* Added expected and actual types, as `MessageType` instead of strings
---
 crates/aleph-sdk/src/client.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/crates/aleph-sdk/src/client.rs b/crates/aleph-sdk/src/client.rs
index 66f2657..60e40c5 100644
--- a/crates/aleph-sdk/src/client.rs
+++ b/crates/aleph-sdk/src/client.rs
@@ -31,8 +31,11 @@ pub enum MessageError {
     Forgotten(ItemHash, ItemHash),
     #[error("Message has been removed")]
     RemovedMessage(String),
-    #[error("Message type does not match")]
-    TypeError(String),
+    #[error("Expected message of type {expected}, got {actual}")]
+    InvalidType {
+        expected: MessageType,
+        actual: MessageType,
+    },
     #[error("Storage error: {0}")]
     Storage(#[from] StorageError),
     #[error(transparent)]