lend and withdraw asset with lulo, not only usdc

.env.example

@@ -2,4 +2,5 @@ OPENAI_API_KEY=
 RPC_URL=
 SOLANA_PRIVATE_KEY=
 JUPITER_REFERRAL_ACCOUNT=
-JUPITER_FEE_BPS=
+JUPITER_FEE_BPS=
+FLEXLEND_API_KEY=

src/actions/index.ts

@@ -13,6 +13,7 @@ import stakeWithJupAction from "./stakeWithJup";
 import stakeWithSolayerAction from "./stakeWithSolayer";
 import registerDomainAction from "./registerDomain";
 import lendAssetAction from "./lendAsset";
+import withdrawAssetAction from "./withdrawAsset";
 import createGibworkTaskAction from "./createGibworkTask";
 import resolveSolDomainAction from "./resolveSolDomain";
 import pythFetchPriceAction from "./pythFetchPrice";
@@ -43,9 +44,10 @@ export const ACTIONS = {
   GET_TPS_ACTION: getTPSAction,
   FETCH_PRICE_ACTION: fetchPriceAction,
   STAKE_WITH_JUP_ACTION: stakeWithJupAction,
-  STAKE_WITH_SOLAYER_ACTION: stakeWithSolayerAction,
+  STAKE_WITH_SOLAYER_ACTION : stakeWithSolayerAction,
   REGISTER_DOMAIN_ACTION: registerDomainAction,
   LEND_ASSET_ACTION: lendAssetAction,
+  WITHDRAW_ASSET_ACTION: withdrawAssetAction,
   CREATE_GIBWORK_TASK_ACTION: createGibworkTaskAction,
   RESOLVE_SOL_DOMAIN_ACTION: resolveSolDomainAction,
   PYTH_FETCH_PRICE_ACTION: pythFetchPriceAction,

src/actions/lendAsset.ts

@@ -13,11 +13,12 @@ const lendAssetAction: Action = {
     "deposit usdc",
     "lending",
   ],
-  description: "Lend USDC tokens to earn yield using Lulo protocol",
+  description: "Lend SPL tokens to earn yield using Lulo protocol",
   examples: [
     [
       {
         input: {
+          mintAddress: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
           amount: 100,
         },
         output: {
@@ -30,18 +31,20 @@ const lendAssetAction: Action = {
     ],
   ],
   schema: z.object({
-    amount: z.number().positive().describe("Amount of USDC to lend"),
+    mintAddress: z.string().describe("SPL Mint address"),
+    amount: z.number().positive().describe("Amount to lend"),
   }),
   handler: async (agent: SolanaAgentKit, input: Record<string, any>) => {
     try {
+      const mintAddress = input.mintAddress as string;
       const amount = input.amount as number;
 
-      const response = await lendAsset(agent, amount);
+      const response = await lendAsset(agent, mintAddress, amount);
 
       return {
         status: "success",
         signature: response,
-        message: `Successfully lent ${amount} USDC`,
+        message: `Successfully lent ${amount} of token ${mintAddress}`,
       };
     } catch (error: any) {
       return {

src/actions/withdrawAsset.ts

@@ -0,0 +1,54 @@
+import { Action } from "../types/action";
+import { SolanaAgentKit } from "../agent";
+import { z } from "zod";
+import { withdrawAsset } from "../tools";
+
+const withdrawAssetAction: Action = {
+  name: "WITHDRAW_ASSET",
+  similes: [
+    "withdraw usdc",
+    "withdraw with lulo",
+  ],
+  description: "Withdraw SPL tokens using Lulo protocol",
+  examples: [
+    [
+      {
+        input: {
+          mintAddress: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
+          amount: 100,
+        },
+        output: {
+          status: "success",
+          signature: "4xKpN2...",
+          message: "Successfully withdraw 100 USDC",
+        },
+        explanation: "Withdraw 100 USDC on Lulo",
+      },
+    ],
+  ],
+  schema: z.object({
+    mintAddress: z.string().describe("SPL Mint address"),
+    amount: z.number().positive().describe("Amount to lend"),
+  }),
+  handler: async (agent: SolanaAgentKit, input: Record<string, any>) => {
+    try {
+      const mintAddress = input.mintAddress as string;
+      const amount = input.amount as number;
+
+      const response = await withdrawAsset(agent, mintAddress, amount);
+
+      return {
+        status: "success",
+        signature: response,
+        message: `Successfully withdraw ${amount} of token ${mintAddress}`,
+      };
+    } catch (error: any) {
+      return {
+        status: "error",
+        message: `Withdraw failed: ${error.message}`,
+      };
+    }
+  },
+};
+
+export default withdrawAssetAction;

src/agent/index.ts

@@ -13,6 +13,7 @@ import {
   getPrimaryDomain,
   launchPumpFunToken,
   lendAsset,
+  withdrawAsset,
   mintCollectionNFT,
   openbookCreateMarket,
   manifestCreateMarket,
@@ -250,8 +251,12 @@ export class SolanaAgentKit {
     });
   }
 
-  async lendAssets(amount: number): Promise<string> {
-    return lendAsset(this, amount);
+  async lendAssets(mintAddress: string, amount: number): Promise<string> {
+    return lendAsset(this, mintAddress, amount);
+  }
+
+  async withdrawAssets(mintAddress: string, amount: number): Promise<string> {
+    return withdrawAsset(this, mintAddress, amount);
   }
 
   async getTPS(): Promise<number> {

src/langchain/index.ts

@@ -888,9 +888,10 @@ export class SolanaCreateImageTool extends Tool {
 
 export class SolanaLendAssetTool extends Tool {
   name = "solana_lend_asset";
-  description = `Lend idle USDC for yield using Lulo. ( only USDC is supported )
+  description = `Lend token for yield using Lulo. (support USDC/PYUSD/USDS/USDT/SOL/jitoSOL/bSOL/mSOL/BONK/JUP)
 
   Inputs (input is a json string):
+  mintAddress: string, eg "So11111111111111111111111111111111111111112" (required)
   amount: number, eg 1, 0.01 (required)`;
 
   constructor(private solanaKit: SolanaAgentKit) {
@@ -899,9 +900,11 @@ export class SolanaLendAssetTool extends Tool {
 
   async _call(input: string): Promise<string> {
     try {
-      const amount = JSON.parse(input).amount || input;
+      const parsedInput = JSON.parse(input);
+      const mintAddress = parsedInput.mintAddress
+      const amount = parsedInput.amount;
 
-      const tx = await this.solanaKit.lendAssets(amount);
+      const tx = await this.solanaKit.lendAssets(mintAddress, amount);
 
       return JSON.stringify({
         status: "success",
@@ -919,6 +922,42 @@ export class SolanaLendAssetTool extends Tool {
   }
 }
 
+export class SolanaWithdrawAssetTool extends Tool {
+  name = "solana_withdraw_asset";
+  description = `Withdraw token USDC using Lulo. (support USDC/PYUSD/USDS/USDT/SOL/jitoSOL/bSOL/mSOL/BONK/JUP)
+
+  Inputs (input is a json string):
+  mintAddress: string, eg "So11111111111111111111111111111111111111112" (required)
+  amount: number, eg 1, 0.01 (required)`;
+
+  constructor(private solanaKit: SolanaAgentKit) {
+    super();
+  }
+
+  async _call(input: string): Promise<string> {
+    try {
+      const parsedInput = JSON.parse(input);
+      const mintAddress = parsedInput.mintAddress
+      const amount = parsedInput.amount;
+
+      const tx = await this.solanaKit.withdrawAssets(mintAddress, amount);
+
+      return JSON.stringify({
+        status: "success",
+        message: "Asset withdraw successfully",
+        transaction: tx,
+        amount,
+      });
+    } catch (error: any) {
+      return JSON.stringify({
+        status: "error",
+        message: error.message,
+        code: error.code || "UNKNOWN_ERROR",
+      });
+    }
+  }
+}
+
 export class SolanaTPSCalculatorTool extends Tool {
   name = "solana_get_tps";
   description = "Get the current TPS of the Solana network";
@@ -2136,6 +2175,7 @@ export function createSolanaTools(solanaKit: SolanaAgentKit) {
     new SolanaPumpfunTokenLaunchTool(solanaKit),
     new SolanaCreateImageTool(solanaKit),
     new SolanaLendAssetTool(solanaKit),
+    new SolanaWithdrawAssetTool(solanaKit),
     new SolanaTPSCalculatorTool(solanaKit),
     new SolanaStakeTool(solanaKit),
     new SolanaRestakeTool(solanaKit),

src/tools/index.ts

@@ -19,10 +19,12 @@ export * from "./resolve_sol_domain";
 export * from "./get_primary_domain";
 export * from "./launch_pumpfun_token";
 export * from "./lend";
+export * from "./withdraw";
 export * from "./get_tps";
 export * from "./get_token_data";
 export * from "./stake_with_jup";
 export * from "./stake_with_solayer";
+export * from "./stake_with_lulo";
 export * from "./fetch_price";
 export * from "./send_compressed_airdrop";
 export * from "./orca_close_position";

src/tools/lend.ts

@@ -4,23 +4,29 @@ import { SolanaAgentKit } from "../index";
 /**
  * Lend tokens for yields using Lulo
  * @param agent SolanaAgentKit instance
- * @param amount Amount of USDC to lend
+ * @param mintAddress SPL Mint address
+ * @param amount Amount to lend
  * @returns Transaction signature
  */
 export async function lendAsset(
   agent: SolanaAgentKit,
+  mintAddress: string,
   amount: number,
 ): Promise<string> {
   try {
     const response = await fetch(
-      `https://blink.lulo.fi/actions?amount=${amount}&symbol=USDC`,
+      `https://api.flexlend.fi/generate/account/deposit`,
       {
         method: "POST",
         headers: {
           "Content-Type": "application/json",
+          "x-wallet-pubkey": agent.wallet.publicKey.toBase58(),
+          "x-api-key": process.env.FLEXLEND_API_KEY!
         },
         body: JSON.stringify({
-          account: agent.wallet.publicKey.toBase58(),
+          owner: agent.wallet.publicKey.toBase58(),
+          mintAddress: mintAddress,
+          depositAmount: amount,
         }),
       },
     );

src/tools/withdraw.ts

@@ -0,0 +1,65 @@
+import { VersionedTransaction } from "@solana/web3.js";
+import { SolanaAgentKit } from "../index";
+
+/**
+ * Withdraw tokens for yields using Lulo
+ * @param agent SolanaAgentKit instance
+ * @param mintAddress SPL Mint address
+ * @param amount Amount to withdraw
+ * @returns Transaction signature
+ */
+export async function withdrawAsset(
+  agent: SolanaAgentKit,
+  mintAddress: string,
+  amount: number,
+): Promise<string> {
+  try {
+    const response = await fetch(
+      `https://api.flexlend.fi/generate/account/withdraw`,
+      {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+          "x-wallet-pubkey": agent.wallet.publicKey.toBase58(),
+          "x-api-key": process.env.FLEXLEND_API_KEY!
+        },
+        body: JSON.stringify({
+          owner: agent.wallet.publicKey.toBase58(),
+          mintAddress: mintAddress,
+          depositAmount: amount,
+        }),
+      },
+    );
+
+    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 using the latest strategy
+    const latestBlockhash = await agent.connection.getLatestBlockhash();
+    await agent.connection.confirmTransaction({
+      signature,
+      blockhash: latestBlockhash.blockhash,
+      lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
+    });
+
+    return signature;
+  } catch (error: any) {
+    throw new Error(`Lending failed: ${error.message}`);
+  }
+}