Add Solayer staking through blinks

src/tools/index.ts

@@ -17,6 +17,7 @@ export * from "./lend";
 export * from "./get_tps";
 export * from "./get_token_data";
 export * from "./stake_with_jup";
+export * from "./stake_with_solayer";
 export * from "./fetch_price";
 export * from "./send_compressed_airdrop";
 export * from "./orca_close_position";

src/tools/stake_with_solayer.ts

@@ -0,0 +1,64 @@
+import { VersionedTransaction } from "@solana/web3.js";
+import { SolanaAgentKit } from "../index";
+
+/**
+ * Stake SOL with Solayer
+ * @param agent SolanaAgentKit instance
+ * @param amount Amount of SOL to stake
+ * @returns Transaction signature
+ */
+export async function stakeWithSolayer(
+  agent: SolanaAgentKit,
+  amount: number,
+): Promise<string> {
+  try {
+    const response = await fetch(
+      `https://app.solayer.org/api/action/restake/ssol?amount=${amount}`,
+      {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          account: agent.wallet.publicKey.toBase58(),
+        }),
+      },
+    );
+
+    if (!response.ok) {
+      const errorData = await response.json();
+      throw new Error(errorData.message || 'Staking request failed');
+    }
+
+    const data = await response.json();
+
+    // Deserialize and prepare transaction
+    const txn = VersionedTransaction.deserialize(
+      Buffer.from(data.transaction, "base64"),
+    );
+
+    // Update blockhash
+    const { blockhash } = await agent.connection.getLatestBlockhash();
+    txn.message.recentBlockhash = blockhash;
+
+    // Sign and send transaction
+    txn.sign([agent.wallet]);
+    const signature = await agent.connection.sendTransaction(txn, {
+      preflightCommitment: "confirmed",
+      maxRetries: 3,
+    });
+
+    // Wait for confirmation
+    const latestBlockhash = await agent.connection.getLatestBlockhash();
+    await agent.connection.confirmTransaction({
+      signature,
+      blockhash: latestBlockhash.blockhash,
+      lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
+    });
+
+    return signature;
+  } catch (error: any) {
+    console.error(error);
+    throw new Error(`Solayer sSOL staking failed: ${error.message}`);
+  }
+}