refactor: update UpgradeInfo documentation and modify get_upgrade_info method to return last canister upgrade details

Author: itsyaasir

src/did/src/upgrade_info.rs

@@ -6,14 +6,14 @@ use serde::Deserialize;
 
 use crate::build::BuildData;
 
-/// Historical information about the canister
 #[derive(CandidType, Deserialize, Clone, Debug)]
+/// Information about a canister upgrade, tracking deployment details and blockchain state.
 pub struct UpgradeInfo {
-    /// The build data of the canister
+    /// Compilation and build information for the deployed canister version
     pub build_data: BuildData,
-    /// The timestamp of the deployment
+    /// Unix timestamp (in seconds) when the upgrade was deployed.
     pub deploy_ts: u64,
-    /// The last block number
+    /// The blockchain block number at the time the upgrade was performed.
     pub last_block_number: u64,
 }
 

src/evm-canister-client/src/client.rs

@@ -928,10 +928,8 @@ impl<C: CanisterClient> EvmCanisterClient<C> {
         self.client.query("get_blockchain_block_info", ()).await
     }
 
-    /// Returns the upgrade info for the canister of the last `count` entries
+    /// Returns the details of the last `count` canister upgrades.
     pub async fn get_upgrade_info(&self, count: u64) -> CanisterClientResult<UpgradeInfo> {
-        self.client
-            .query("get_upgrade_info_paginated", (count,))
-            .await
+        self.client.query("get_upgrade_info", (count,)).await
     }
 }