feat: Add helper function for fetching Notarization object by ID

bindings/wasm/notarization_wasm/src/wasm_notarization_client_read_only.rs

@@ -12,7 +12,9 @@ use product_common::bindings::utils::parse_wasm_object_id;
 use product_common::bindings::WasmObjectID;
 use product_common::core_client::CoreClientReadOnly;
 use wasm_bindgen::prelude::*;
-
+use notarization::core::types::OnChainNotarization;
+use notarization::error::Error;
+use crate::wasm_notarization::WasmOnChainNotarization;
 use crate::wasm_types::{WasmLockMetadata, WasmNotarizationMethod, WasmState};
 
 /// A client to interact with Notarization objects on the IOTA ledger.
@@ -112,6 +114,26 @@ impl WasmNotarizationClientReadOnly {
         self.0.chain_id().to_string()
     }
 
+    /// Retrieves the [`OnChainNotarization`] of a notarized object.
+    ///
+    /// This method returns the on-chain notarization object for the given object ID.
+    ///
+    /// # Arguments
+    ///
+    /// * `notarized_object_id`: The [`ObjectID`] of the notarized object.
+    ///
+    /// # Returns
+    /// A `Result` containing the [`OnChainNotarization`] or an [`Error`].
+    #[wasm_bindgen(js_name = getNotarizationById)]
+    pub async fn get_notarization_by_id(&self, notarized_object_id: WasmObjectID) -> Result<WasmOnChainNotarization> {
+       let notarized_object_id = parse_wasm_object_id(&notarized_object_id)?;
+        self.0
+            .get_notarization_by_id(notarized_object_id).await.map_err(wasm_error)
+            .wasm_result()
+            .map(Into::into)
+    }
+
+
     /// Retrieves the timestamp of the last state change for a notarization.
     ///
     /// # Arguments

notarization-rs/src/client/read_only.rs

@@ -23,7 +23,8 @@ use serde::de::DeserializeOwned;
 use super::network_id;
 use crate::core::move_utils;
 use crate::core::operations::{NotarizationImpl, NotarizationOperations};
-use crate::core::types::{Data, LockMetadata, NotarizationMethod, State};
+use crate::core::transactions::get_object_ref_by_id_with_bcs;
+use crate::core::types::{Data, LockMetadata, NotarizationMethod, OnChainNotarization, State};
 use crate::error::Error;
 use crate::iota_interaction_adapter::IotaClientAdapter;
 use crate::package;
@@ -167,6 +168,22 @@ impl NotarizationClientReadOnly {
         Self::new_internal(client, network).await
     }
 
+    /// Retrieves the [`OnChainNotarization`] of a notarized object.
+    ///
+    /// This method returns the on-chain notarization object for the given object ID.
+    ///
+    /// # Arguments
+    ///
+    /// * `notarized_object_id`: The [`ObjectID`] of the notarized object.
+    ///
+    /// # Returns
+    /// A `Result` containing the [`OnChainNotarization`] or an [`Error`].
+    pub async fn get_notarization_by_id(&self, notarized_object_id: ObjectID) -> Result<OnChainNotarization, Error> {
+        let notarization_object = get_object_ref_by_id_with_bcs(self, &notarized_object_id).await?;
+
+        Ok(notarization_object)
+    }
+
     /// Retrieves the `last_state_change_at` timestamp of a notarized object.
     ///
     /// This timestamp indicates the time of the most recent state change for the object.