feat: Refactor actions to use tool functions for improved code clarity and maintainability

src/actions/lendAsset.ts

@@ -2,6 +2,7 @@ import { Action } from "../types/action";
 import { SolanaAgentKit } from "../agent";
 import { z } from "zod";
 import { VersionedTransaction } from "@solana/web3.js";
+import { lendAsset } from "../tools";
 
 const lendAssetAction: Action = {
   name: "solana_lend_asset",
@@ -38,55 +39,11 @@ const lendAssetAction: Action = {
     try {
       const amount = input.amount as number;
 
-      const response = await fetch(
-        `https://blink.lulo.fi/actions?amount=${amount}&symbol=USDC`,
-        {
-          method: "POST",
-          headers: {
-            "Content-Type": "application/json",
-          },
-          body: JSON.stringify({
-            account: agent.wallet.publicKey.toBase58(),
-          }),
-        }
-      );
-
-      if (!response.ok) {
-        return {
-          status: "error",
-          message: `Failed to get lending transaction: ${response.statusText}`
-        };
-      }
-
-      const data = await response.json();
-
-      // Deserialize the transaction
-      const luloTxn = VersionedTransaction.deserialize(
-        Buffer.from(data.transaction, "base64")
-      );
-
-      // Get a recent blockhash and set it
-      const { blockhash } = await agent.connection.getLatestBlockhash();
-      luloTxn.message.recentBlockhash = blockhash;
-
-      // Sign and send transaction
-      luloTxn.sign([agent.wallet]);
-      const signature = await agent.connection.sendTransaction(luloTxn, {
-        preflightCommitment: "confirmed",
-        maxRetries: 3,
-      });
-
-      // Wait for confirmation
-      const latestBlockhash = await agent.connection.getLatestBlockhash();
-      await agent.connection.confirmTransaction({
-        signature,
-        blockhash: latestBlockhash.blockhash,
-        lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
-      });
+      const response = await lendAsset(agent, amount);
 
       return {
         status: "success",
-        signature,
+        signature: response,
         message: `Successfully lent ${amount} USDC`
       };
     } catch (error: any) {