Sync Native

Apa Itu Wrapped SOL?

Wrapped SOL (WSOL) adalah SOL yang disimpan dalam token account untuk native mint Token Program. Native mint adalah alamat mint yang digunakan Token Program untuk token account yang membungkus SOL. Native mint memungkinkan SOL digunakan melalui instruksi-instruksi Token Program.

ProgramAlamat native mint
Token ProgramSo11111111111111111111111111111111111111112
Token Extension Program9pan9bMn5HatX4EJdBwg9VgCa7Uz5HL8N1m5D3NdXejP

Token account wrapped SOL menyimpan SOL dalam field lamports akun, tetapi melacak SOL yang disimpan dalam token account wrapped SOL sebagai saldo token melalui field amount token account. Jika Anda mentransfer SOL ke dalam token account wrapped SOL, saldo lamport meningkat secara langsung, tetapi field amount tidak berubah hingga Anda memanggil instruksi SyncNative Token Program.

Cara Menyinkronkan Native SOL

Gunakan instruksi SyncNative Token Program setelah mentransfer SOL ke dalam token account wrapped SOL. Instruksi SyncNative memperbarui field amount token account agar sesuai dengan lamport yang disimpan dalam akun di atas cadangan bebas sewa.

Referensi Sumber

ItemDeskripsiToken ProgramToken Extension Program
AccountState token account menggunakan is_native untuk menandai akun sebagai WSOL dan menyimpan cadangan native, saldo lamport minimum bebas sewa yang harus dijaga akun, serta jumlah token yang dilacak.SourceSource
SyncNativeInstruksi yang memperbarui field amount token account wrapped SOL agar sesuai dengan lamport yang disimpan dalam akun di atas cadangan bebas sewa.SourceSource
process_sync_nativeLogika prosesor bersama untuk menyinkronkan saldo wrapped SOL.SourceSource

Typescript

Contoh Kit di bawah ini menunjukkan pendekatan yang direkomendasikan menggunakan @solana/kit. Contoh lama menggunakan @solana/web3.js disertakan sebagai referensi.

Kit

import { address } from "@solana/kit";
import { createLocalClient } from "@solana/kit-client-rpc";
import { systemProgram } from "@solana-program/system";
import {
findAssociatedTokenPda,
getCreateAssociatedTokenInstructionAsync,
tokenProgram,
TOKEN_PROGRAM_ADDRESS
} from "@solana-program/token";
const client = await createLocalClient()
.use(systemProgram())
.use(tokenProgram());
const NATIVE_MINT = address("So11111111111111111111111111111111111111112");
const [tokenAccount] = await findAssociatedTokenPda({
mint: NATIVE_MINT,
owner: client.payer.address,
tokenProgram: TOKEN_PROGRAM_ADDRESS
});
const result = await client.sendTransaction([
client.system.instructions.transferSol({
source: client.payer, // Account sending the SOL to wrap.
destination: tokenAccount, // WSOL token account receiving the SOL.
amount: 1_000_000n // SOL amount in lamports.
}),
client.token.instructions.syncNative({
account: tokenAccount // WSOL token account to synchronize.
})
]);
const tokenAccountData = await client.token.accounts.token.fetch(tokenAccount);
console.log("WSOL Token Account Address:", tokenAccount);
console.log("WSOL Token Account:", tokenAccountData.data);
console.log("\nTransaction Signature:", result.context.signature);
Console
Click to execute the code.

Web3.js

import {
Connection,
Keypair,
sendAndConfirmTransaction,
LAMPORTS_PER_SOL,
SystemProgram,
Transaction
} from "@solana/web3.js";
import {
createAssociatedTokenAccount,
getAccount,
NATIVE_MINT,
syncNative,
TOKEN_PROGRAM_ID
} from "@solana/spl-token";
const result = await syncNative(
connection,
feePayer, // Account paying transaction fees.
associatedTokenAccount, // WSOL token account to synchronize.
{
commitment: "confirmed"
},
TOKEN_PROGRAM_ID // Token program to invoke.
);
const tokenAccountData = await getAccount(
connection,
associatedTokenAccount,
"confirmed",
TOKEN_PROGRAM_ID
);
console.log("WSOL Token Account Address:", associatedTokenAccount.toBase58());
console.log("WSOL Token Account:", tokenAccountData);
console.log("\nTransaction Signature:", result);
Console
Click to execute the code.

Rust

Rust
use anyhow::Result;
use solana_client::nonblocking::rpc_client::RpcClient;
use solana_commitment_config::CommitmentConfig;
use solana_sdk::{
program_pack::Pack,
signature::{Keypair, Signer},
transaction::Transaction,
};
use solana_system_interface::instruction::transfer;
use spl_associated_token_account_interface::{
address::get_associated_token_address, instruction::create_associated_token_account,
};
use spl_token_interface::{
id as token_program_id,
instruction::sync_native,
native_mint::ID as NATIVE_MINT_ID,
state::Account,
};
#[tokio::main]
async fn main() -> Result<()> {
let client = RpcClient::new_with_commitment(
String::from("http://localhost:8899"),
CommitmentConfig::confirmed(),
);
let associated_token_address = get_associated_token_address(&fee_payer.pubkey(), &NATIVE_MINT_ID);
let sync_amount = 1_000_000;
let transaction = Transaction::new_signed_with_payer(
&[
transfer(
&fee_payer.pubkey(), // Account sending the SOL to wrap.
&associated_token_address, // WSOL token account receiving the SOL.
sync_amount, // SOL amount in lamports.
),
sync_native(
&token_program_id(), // Token program to invoke.
&associated_token_address, // WSOL token account to synchronize.
)?,
],
Some(&fee_payer.pubkey()),
&[&fee_payer],
latest_blockhash,
);
let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;
let token_account = client.get_account(&associated_token_address).await?;
let token_data = Account::unpack(&token_account.data)?;
println!("WSOL Token Account Address: {}", associated_token_address);
println!("WSOL Token Account: {:#?}", token_data);
println!("\nTransaction Signature: {}", transaction_signature);
Ok(())
}
Console
Click to execute the code.

Python

Python
#!/usr/bin/env python3
import asyncio
import json
from solana.rpc.async_api import AsyncClient
from solders.keypair import Keypair
from solders.message import Message
from solders.pubkey import Pubkey
from solders.transaction import Transaction
from solders.system_program import transfer, TransferParams
from spl.token.async_client import AsyncToken
from spl.token.instructions import (
create_associated_token_account,
get_associated_token_address,
sync_native,
SyncNativeParams,
)
from spl.token.constants import TOKEN_PROGRAM_ID, WRAPPED_SOL_MINT
AMOUNT_TO_WRAP = 1_000_000
async def main():
rpc = AsyncClient("http://localhost:8899")
async with rpc:
sync_native_instructions = [
transfer(
TransferParams(
from_pubkey=fee_payer.pubkey(), # Account sending SOL to the wrapped SOL token account.
to_pubkey=wrapped_sol_account, # Wrapped SOL token account receiving the lamports.
lamports=AMOUNT_TO_WRAP, # Lamports to wrap as WSOL.
)
),
sync_native(
SyncNativeParams(
program_id=TOKEN_PROGRAM_ID, # Token program to invoke.
account=wrapped_sol_account, # Wrapped SOL token account whose amount field updates.
)
),
]
latest_blockhash = await rpc.get_latest_blockhash()
transaction = Transaction(
[fee_payer],
Message(sync_native_instructions, fee_payer.pubkey()),
latest_blockhash.value.blockhash,
)
result = await rpc.send_transaction(transaction)
token_account_info = await token.get_account_info(wrapped_sol_account)
token_account = {
key: str(value) if isinstance(value, Pubkey) else value
for key, value in token_account_info._asdict().items()
}
print("Native Mint Address:", WRAPPED_SOL_MINT)
print("\nWrapped SOL Token Account Address:", wrapped_sol_account)
print("Token Account:")
print(json.dumps(token_account, indent=2))
print("\nTransaction Signature:", result.value)
if __name__ == "__main__":
asyncio.run(main())
Console
Click to execute the code.

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