create_simple_transfer did't send ton to dest wallet address.

[jackbbhua]

`
use anyhow::anyhow;
use num_bigint::BigUint;
use std::time::SystemTime;
use std::sync::Arc;

use tonlib_core::TonAddress;
use tonlib_core::cell::BagOfCells;
use tonlib_core::message::TransferMessage;
use tonlib_core::wallet::TonWallet;
use tonlib_client::client::TonClient;
use tonlib_client::client::TonClientInterface;
use tonlib_core::mnemonic::KeyPair;
use tonlib_core::mnemonic::Mnemonic;
use tonlib_core::wallet::WalletVersion;
use tonlib_core::message::TonMessage;
use tonlib_core::message::CommonMsgInfo;
use tonlib_core::message::ExternalIncomingMessage;

async fn create_simple_transfer() -> anyhow::Result<()> {
let mnemonic = Mnemonic::new(
vec![
"dose", "ice", "enrich", "trigger", "test", "dove", "century", "still", "betray",
"gas", "diet", "dune",
],
&None,
)?;
let key_pair = mnemonic.to_key_pair()?;
let seqno = 30000000;

let client = TonClient::default().await?;
let wallet = TonWallet::derive_default(WalletVersion::V4R2, &key_pair)?;
let src: TonAddress = "<source wallet address>".parse()?;
let dest: TonAddress = "<destination wallet address>".parse()?;
let value = BigUint::from(10000000u64); // 0.01 TON
let external_msg_info = ExternalIncomingMessage{
    src,
    dest,
    import_fee: value,
};
let common_msg_info = CommonMsgInfo::ExternalIncomingMessage(external_msg_info);
let transfer = TransferMessage::new(common_msg_info).build()?;
let now = SystemTime::now()
    .duration_since(SystemTime::UNIX_EPOCH)?
    .as_secs() as u32;
let body = wallet.create_external_body(now + 60, seqno, vec![Arc::new(transfer)])?;
let signed = wallet.sign_external_body(&body)?;
let wrapped = wallet.wrap_signed_body(signed, true)?;
let boc = BagOfCells::from_root(wrapped);
let tx = boc.serialize(true)?;
let hash = client.send_raw_message_return_hash(tx.as_slice()).await?;

Ok(())

}`

I use this code, and the send ton result like this:
https://testnet.tonviewer.com/transaction/40078342e4f95883f9a8b54195687f41327d1b8defcf46bb776239c48af0aaac

Please check the error. thanks.

[jackbbhua]

is there has any update？ I use testnet for testing right now.