Transférer des jetons

Que fait le transfert de jetons ?

Le transfert de jetons déplace des jetons d'un token account vers un autre token account pour le même mint.

Les transferts ne modifient pas l'offre du mint. Les transferts mettent uniquement à jour les soldes entre les comptes de jetons.

Comment transférer des jetons

Le transfert de jetons utilise l'instruction Transfer ou TransferChecked du Token Program.

Les exemples ci-dessous utilisent TransferChecked, qui exige que l'appelant fournisse le mint et les décimales afin que l'instruction puisse vérifier le mint attendu et la précision du jeton avant de déplacer des jetons entre les comptes.

Dans le Token Extensions Program, Transfer est obsolète en faveur de TransferChecked ou TransferCheckedWithFee.

Le propriétaire du compte source ou un délégué approuvé signe le transfert. Dans le Token Extensions Program, un délégué permanent du mint peut également autoriser le transfert si le mint a l'extension de délégué permanent activée.

Référence source

ÉlémentDescriptionToken ProgramToken Extensions Program
AccountL'état du token account stocke les soldes mis à jour par un transfert.SourceSource
TransferUne instruction de transfert qui déplace des jetons entre des comptes de jetons sans exiger que l'appelant fournisse le mint ou les décimales. Dans le Token Extensions Program, utilisez plutôt TransferChecked.SourceSource
TransferCheckedUne instruction de transfert qui exige que l'appelant fournisse le mint et les décimales et vérifie ces valeurs avant de déplacer des jetons entre des comptes de jetons du même mint.SourceSource
process_transferLogique de processeur partagée pour les transferts de jetons.SourceSource

Typescript

Les exemples Kit ci-dessous montrent l'approche recommandée utilisant @solana/kit. Les exemples historiques utilisant @solana/web3.js sont inclus à titre de référence.

Kit

import { generateKeyPairSigner } from "@solana/kit";
import { createLocalClient } from "@solana/kit-client-rpc";
import {
findAssociatedTokenPda,
tokenProgram,
TOKEN_PROGRAM_ADDRESS
} from "@solana-program/token";
const client = await createLocalClient()
.use(tokenProgram());
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const result = await client.token.instructions
.transferToATA({
mint: mint.address, // Mint for the token being transferred.
authority: client.payer, // Owner or delegate approving the transfer.
recipient: recipient.address, // Account that owns the destination token account.
amount: 25n, // Token amount in base units.
decimals: 2 // Decimals defined on the mint account.
})
.sendTransaction();
const [sourceTokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: client.payer.address,
tokenProgram: TOKEN_PROGRAM_ADDRESS
});
const [destinationTokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: recipient.address,
tokenProgram: TOKEN_PROGRAM_ADDRESS
});
const [sourceTokenAccountData, destinationTokenAccountData] =
await client.token.accounts.token.fetchAll([
sourceTokenAccount,
destinationTokenAccount
]);
console.log("Mint Address:", mint.address);
console.log("\nSource Token Account Address:", sourceTokenAccount);
console.log("Source Token Account:", sourceTokenAccountData.data);
console.log("\nDestination Token Account Address:", destinationTokenAccount);
console.log("Destination Token Account:", destinationTokenAccountData.data);
console.log("\nTransaction Signature:", result.context.signature);
Console
Click to execute the code.

Web3.js

import { Connection, Keypair, LAMPORTS_PER_SOL } from "@solana/web3.js";
import {
createAssociatedTokenAccount,
createMint,
getAccount,
mintToChecked,
TOKEN_PROGRAM_ID,
transferChecked
} from "@solana/spl-token";
const result = await transferChecked(
connection, // Connection to the local validator.
feePayer, // Account paying transaction fees.
feePayerATA, // Token account sending the tokens.
mintPubkey, // Mint for the token being transferred.
recipientATA, // Token account receiving the tokens.
feePayer, // Owner or delegate approving the transfer.
25, // Token amount in base units.
2, // Decimals defined on the mint account.
[], // Additional multisig signers.
{
commitment: "confirmed" // Confirmation options for the transaction.
},
TOKEN_PROGRAM_ID // Token program to invoke.
);
const senderTokenAccount = await getAccount(
connection,
feePayerATA,
"confirmed",
TOKEN_PROGRAM_ID
);
const recipientTokenAccount = await getAccount(
connection,
recipientATA,
"confirmed",
TOKEN_PROGRAM_ID
);
console.log("Mint Address:", mintPubkey.toBase58());
console.log("\nSource Token Account Address:", feePayerATA.toBase58());
console.log("Source Token Account:", senderTokenAccount);
console.log("\nDestination Token Account Address:", recipientATA.toBase58());
console.log("Destination Token Account:", recipientTokenAccount);
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::create_account;
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::{initialize_mint, mint_to_checked, transfer_checked},
state::{Account, Mint},
};
#[tokio::main]
async fn main() -> Result<()> {
let client = RpcClient::new_with_commitment(
String::from("http://localhost:8899"),
CommitmentConfig::confirmed(),
);
let recipient = Keypair::new();
let transfer_amount = 25;
let transaction = Transaction::new_signed_with_payer(
&[
transfer_checked(
&token_program_id(), // Token program to invoke.
&source_token_address, // Token account sending the tokens.
&mint.pubkey(), // Mint for the token being transferred.
&destination_token_address, // Token account receiving the tokens.
&fee_payer.pubkey(), // Owner or delegate approving the transfer.
&[], // Additional multisig signers.
transfer_amount, // Token amount in base units.
decimals, // Decimals defined on the mint account.
)?,
],
Some(&fee_payer.pubkey()),
&[&fee_payer],
latest_blockhash,
);
let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;
let source_token_account = client.get_account(&source_token_address).await?;
let source_token_data = Account::unpack(&source_token_account.data)?;
let destination_token_account = client.get_account(&destination_token_address).await?;
let destination_token_data = Account::unpack(&destination_token_account.data)?;
println!("Mint Address: {}", mint.pubkey());
println!("\nSource Token Account Address: {}", source_token_address);
println!("Source Token Account: {:#?}", source_token_data);
println!(
"\nDestination Token Account Address: {}",
destination_token_address
);
println!("Destination Token Account: {:#?}", destination_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.system_program import create_account, CreateAccountParams
from solders.transaction import Transaction
from spl.token.async_client import AsyncToken
from spl.token.instructions import (
create_associated_token_account,
get_associated_token_address,
initialize_mint,
InitializeMintParams,
mint_to_checked,
MintToCheckedParams,
transfer_checked,
TransferCheckedParams,
)
from spl.token.constants import MINT_LEN, TOKEN_PROGRAM_ID
DECIMALS = 2
AMOUNT_TO_MINT = 100
AMOUNT_TO_TRANSFER = 25
async def main():
rpc = AsyncClient("http://localhost:8899")
receiver = Keypair()
async with rpc:
transfer_tokens_instruction = transfer_checked(
TransferCheckedParams(
program_id=TOKEN_PROGRAM_ID, # Token program to invoke.
source=source_token_account, # Token account sending the tokens.
mint=mint.pubkey(), # Mint for the token being transferred.
dest=destination_token_account, # Token account receiving the tokens.
owner=fee_payer.pubkey(), # Account that owns the source token account.
amount=AMOUNT_TO_TRANSFER, # Token amount in base units.
decimals=DECIMALS, # Decimals defined on the mint account.
)
)
latest_blockhash = await rpc.get_latest_blockhash()
transaction = Transaction(
[fee_payer],
Message([transfer_tokens_instruction], fee_payer.pubkey()),
latest_blockhash.value.blockhash,
)
result = await rpc.send_transaction(transaction)
source_token_account_info = await token.get_account_info(source_token_account)
destination_token_account_info = await token.get_account_info(destination_token_account)
source_account = {
key: str(value) if isinstance(value, Pubkey) else value
for key, value in source_token_account_info._asdict().items()
}
destination_account = {
key: str(value) if isinstance(value, Pubkey) else value
for key, value in destination_token_account_info._asdict().items()
}
print("Mint Address:", mint.pubkey())
print("\nSource Token Account Address:", source_token_account)
print("Source Token Account:")
print(json.dumps(source_account, indent=2))
print("\nDestination Token Account Address:", destination_token_account)
print("Destination Token Account:")
print(json.dumps(destination_account, indent=2))
print("\nTransaction Signature:", result.value)
if __name__ == "__main__":
asyncio.run(main())
Console
Click to execute the code.

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