memo

tests/memo.rs

@@ -0,0 +1,36 @@
+use std::str::FromStr;
+use std::sync::Arc;
+
+use bench::helpers::BenchHelper;
+use lite_rpc::DEFAULT_RPC_ADDR;
+use solana_rpc_client::nonblocking::rpc_client::RpcClient;
+use solana_sdk::{
+    instruction::Instruction, message::Message, pubkey::Pubkey, signer::Signer,
+    transaction::Transaction,
+};
+
+const MEMO_PROGRAM_ID: &str = "MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr";
+
+#[tokio::test]
+async fn memo() -> anyhow::Result<()> {
+    let rpc_client = Arc::new(RpcClient::new(DEFAULT_RPC_ADDR.to_owned()));
+    let blockhash = rpc_client.get_latest_blockhash().await.unwrap();
+
+    let bench_helper = BenchHelper::new(rpc_client);
+    let payer = bench_helper.get_payer().await.unwrap();
+
+    let memo = Pubkey::from_str(MEMO_PROGRAM_ID).unwrap();
+
+    let instruction = Instruction::new_with_bytes(memo, b"Hello", vec![]);
+    let message = Message::new(&[instruction], Some(&payer.pubkey()));
+    let tx = Transaction::new(&[&payer], message, blockhash);
+
+    let sig = bench_helper
+        .send_and_confirm_transaction(&tx)
+        .await
+        .unwrap();
+
+    println!("{sig}");
+
+    Ok(())
+}