refactored code

src/langchain/helius/parse_transaction.ts

@@ -0,0 +1,32 @@
+import { Tool } from "langchain/tools";
+import { SolanaAgentKit } from "../../agent";
+
+export class SolanaParseTransactionHeliusTool extends Tool {
+  name = "solana_parse_transaction_helius";
+  description = `Parse a Solana transaction using Helius API.
+    Inputs:
+    - transactionId: string, the ID of the transaction to parse, e.g., "5h3k...9d2k" (required).`;
+
+  constructor(private solanaKit: SolanaAgentKit) {
+    super();
+  }
+
+  protected async _call(input: string): Promise<any> {
+    try {
+      const transactionId = input.trim();
+      const parsedTransaction =
+        await this.solanaKit.heliusParseTransactions(transactionId);
+      return JSON.stringify({
+        status: "success",
+        message: "transaction parsed successfully",
+        transaction: parsedTransaction,
+      });
+    } catch (error: any) {
+      return JSON.stringify({
+        status: "error",
+        message: error.message,
+        code: error.code || "NOt able to Parse transaction",
+      });
+    }
+  }
+}