Token basma

Basım Ne İşe Yarar?

Basım, mevcut bir token'ın yeni birimlerini oluşturur ve mint'in toplam arzını artırır.

Yalnızca mint yetkisi yeni token'lar basabilir. Hedef token account zaten mevcut olmalı ve aynı mint'e ait olmalıdır.

Token'lar Nasıl Basılır

Token'lar basmak için Token Program'ın MintTo veya MintToChecked talimatı kullanılır.

Aşağıdaki örnekler MintToChecked kullanır; bu talimat, çağrıcının mint'in ondalık basamaklarını sağlamasını gerektirir, böylece talimat basmadan önce beklenen token hassasiyetini doğrulayabilir.

Native mint basımı desteklemez.

Kaynak Referans

ÖğeAçıklamaToken ProgramToken Extensions Program
MintMint durumu, mint yetkisini ve toplam token arzını saklar.KaynakKaynak
AccountToken account durumu, basım tarafından güncellenen hedef bakiyeyi saklar.KaynakKaynak
MintToMevcut bir token account'a çağrıcının mint'in ondalık basamaklarını sağlamasını gerektirmeden token basan bir basım talimatı.KaynakKaynak
MintToCheckedÇağrıcının mint'in ondalık basamaklarını sağlamasını gerektiren ve mevcut bir token account'a token basmadan önce bu değeri kontrol eden bir basım talimatı.KaynakKaynak
process_mint_toToken basımı için paylaşılan işlemci mantığı.KaynakKaynak

Typescript

Aşağıdaki Kit örnekleri, @solana/kit kullanılarak önerilen yaklaşımı gösterir. @solana/web3.js kullanan eski örnekler referans için dahil edilmiştir.

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 result = await client.token.instructions
.mintToATA({
mint: mint.address, // Mint for the token being minted.
owner: client.payer.address, // Account that owns the token account receiving the minted tokens.
mintAuthority: client.payer, // Authority allowed to mint new tokens.
amount: 100n, // Token amount in base units.
decimals: 2 // Decimals defined on the mint account.
})
.sendTransaction();
const [tokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: client.payer.address,
tokenProgram: TOKEN_PROGRAM_ADDRESS
});
const mintAccount = await client.token.accounts.mint.fetch(mint.address);
const tokenAccountData = await client.token.accounts.token.fetch(tokenAccount);
console.log("Mint Address:", mint.address);
console.log("Mint Account:", mintAccount.data);
console.log("\nToken Account Address:", tokenAccount);
console.log("Token Account:", tokenAccountData.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,
getMint,
mintToChecked,
TOKEN_PROGRAM_ID
} from "@solana/spl-token";
const result = await mintToChecked(
connection, // Connection to the local validator.
feePayer, // Account paying transaction fees.
mintPubkey, // Mint for the token being minted.
associatedTokenAccount, // Token account receiving the minted tokens.
feePayer, // Authority allowed to mint new tokens.
100, // 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 mintAccount = await getMint(
connection,
mintPubkey,
"confirmed",
TOKEN_PROGRAM_ID
);
const tokenAccountData = await getAccount(
connection,
associatedTokenAccount,
"confirmed",
TOKEN_PROGRAM_ID
);
console.log("Mint Address:", mintPubkey.toBase58());
console.log("Mint Account:", mintAccount);
console.log(
"\nAssociated Token Account Address:",
associatedTokenAccount.toBase58()
);
console.log("Associated 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::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},
state::{Account, Mint},
};
#[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(), &mint.pubkey());
let mint_amount = 100;
let transaction = Transaction::new_signed_with_payer(
&[
mint_to_checked(
&token_program_id(), // Token program to invoke.
&mint.pubkey(), // Mint for the token being minted.
&associated_token_address, // Token account receiving the minted tokens.
&fee_payer.pubkey(), // Authority allowed to mint new tokens.
&[], // Additional multisig signers.
mint_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 mint_account = client.get_account(&mint.pubkey()).await?;
let mint_data = Mint::unpack(&mint_account.data)?;
let token_account = client.get_account(&associated_token_address).await?;
let token_data = Account::unpack(&token_account.data)?;
println!("Mint Address: {}", mint.pubkey());
println!("Mint Account: {:#?}", mint_data);
println!(
"\nAssociated Token Account Address: {}",
associated_token_address
);
println!("Associated 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.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,
)
from spl.token.constants import MINT_LEN, TOKEN_PROGRAM_ID
DECIMALS = 2
AMOUNT_TO_MINT = 100
async def main():
rpc = AsyncClient("http://localhost:8899")
async with rpc:
mint_tokens_instruction = mint_to_checked(
MintToCheckedParams(
program_id=TOKEN_PROGRAM_ID, # Token program to invoke.
mint=mint.pubkey(), # Mint for the token being minted.
dest=destination_token_account, # Token account receiving the minted tokens.
mint_authority=fee_payer.pubkey(), # Authority allowed to mint new tokens.
amount=AMOUNT_TO_MINT, # 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([mint_tokens_instruction], fee_payer.pubkey()),
latest_blockhash.value.blockhash,
)
result = await rpc.send_transaction(transaction)
mint_info = await token.get_mint_info()
destination_token_account_info = await token.get_account_info(destination_token_account)
mint_account = {
key: str(value) if isinstance(value, Pubkey) else value
for key, value in mint_info._asdict().items()
}
token_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("Mint Account:")
print(json.dumps(mint_account, indent=2))
print("\nToken Account Address:", destination_token_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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