Added refactoring changes for agent, action and tools

src/tools/tensor/index.ts

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+export * from "./tensor_trade";

src/tools/tensor/tensor_trade.ts

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+import { SolanaAgentKit } from "../../index";
+import { TensorSwapSDK } from "@tensor-oss/tensorswap-sdk";
+import { PublicKey, Transaction } from "@solana/web3.js";
+import { AnchorProvider, Wallet } from "@coral-xyz/anchor";
+import { BN } from "bn.js";
+import {
+  getAssociatedTokenAddress,
+  TOKEN_PROGRAM_ID,
+  getAccount,
+} from "@solana/spl-token";
+
+export async function listNFTForSale(
+  agent: SolanaAgentKit,
+  nftMint: PublicKey,
+  price: number,
+): Promise<string> {
+  try {
+    if (!PublicKey.isOnCurve(nftMint)) {
+      throw new Error("Invalid NFT mint address");
+    }
+
+    const mintInfo = await agent.connection.getAccountInfo(nftMint);
+    if (!mintInfo) {
+      throw new Error(`NFT mint ${nftMint.toString()} does not exist`);
+    }
+
+    const ata = await getAssociatedTokenAddress(nftMint, agent.wallet_address);
+
+    try {
+      const tokenAccount = await getAccount(agent.connection, ata);
+
+      if (!tokenAccount || tokenAccount.amount <= 0) {
+        throw new Error(`You don't own this NFT (${nftMint.toString()})`);
+      }
+    } catch (error: any) {
+      console.error(error);
+      throw new Error(
+        `No token account found for mint ${nftMint.toString()}. Make sure you own this NFT.`,
+      );
+    }
+
+    const provider = new AnchorProvider(
+      agent.connection,
+      new Wallet(agent.wallet),
+      AnchorProvider.defaultOptions(),
+    );
+
+    const tensorSwapSdk = new TensorSwapSDK({ provider });
+    const priceInLamports = new BN(price * 1e9);
+    const nftSource = await getAssociatedTokenAddress(
+      nftMint,
+      agent.wallet_address,
+    );
+
+    const { tx } = await tensorSwapSdk.list({
+      nftMint,
+      nftSource,
+      owner: agent.wallet_address,
+      price: priceInLamports,
+      tokenProgram: TOKEN_PROGRAM_ID,
+      payer: agent.wallet_address,
+    });
+
+    const transaction = new Transaction();
+    transaction.add(...tx.ixs);
+    return await agent.connection.sendTransaction(transaction, [
+      agent.wallet,
+      ...tx.extraSigners,
+    ]);
+  } catch (error: any) {
+    console.error("Full error details:", error);
+    throw error;
+  }
+}
+
+export async function cancelListing(
+  agent: SolanaAgentKit,
+  nftMint: PublicKey,
+): Promise<string> {
+  const provider = new AnchorProvider(
+    agent.connection,
+    new Wallet(agent.wallet),
+    AnchorProvider.defaultOptions(),
+  );
+
+  const tensorSwapSdk = new TensorSwapSDK({ provider });
+  const nftDest = await getAssociatedTokenAddress(
+    nftMint,
+    agent.wallet_address,
+    false,
+    TOKEN_PROGRAM_ID,
+  );
+
+  const { tx } = await tensorSwapSdk.delist({
+    nftMint,
+    nftDest,
+    owner: agent.wallet_address,
+    tokenProgram: TOKEN_PROGRAM_ID,
+    payer: agent.wallet_address,
+    authData: null,
+  });
+
+  const transaction = new Transaction();
+  transaction.add(...tx.ixs);
+  return await agent.connection.sendTransaction(transaction, [
+    agent.wallet,
+    ...tx.extraSigners,
+  ]);
+}