토큰 민트 생성하기

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_token_interface::{id as token_program_id, instruction::initialize_mint, state::Mint};

#[tokio::main]
async fn main() -> Result<()> {
    // Create connection to local validator
    let client = RpcClient::new_with_commitment(
        String::from("http://localhost:8899"),
        CommitmentConfig::confirmed(),
    );
    let latest_blockhash = client.get_latest_blockhash().await?;

    // Generate a new keypair for the fee payer
    let fee_payer = Keypair::new();

    // Airdrop 1 SOL to fee payer
    let airdrop_signature = client
        .request_airdrop(&fee_payer.pubkey(), 1_000_000_000)
        .await?;
    client.confirm_transaction(&airdrop_signature).await?;

    loop {
        let confirmed = client.confirm_transaction(&airdrop_signature).await?;
        if confirmed {
            break;
        }
    }

    // Generate keypair to use as address of mint
    let mint = Keypair::new();

    let space = Mint::LEN;
    let rent = client.get_minimum_balance_for_rent_exemption(space).await?;

    // Create account instruction
    let create_account_instruction = create_account(
        &fee_payer.pubkey(),
        &mint.pubkey(),
        rent,
        space as u64,
        &token_program_id(),
    );

    // Initialize mint instruction
    let initialize_mint_instruction = initialize_mint(
        &token_program_id(),
        &mint.pubkey(),            // mint address
        &fee_payer.pubkey(),       // mint authority
        Some(&fee_payer.pubkey()), // freeze authority
        9,                         // decimals
    )?;

    // Create transaction and add instructions
    let transaction = Transaction::new_signed_with_payer(
        &[create_account_instruction, initialize_mint_instruction],
        Some(&fee_payer.pubkey()),
        &[&fee_payer, &mint],
        latest_blockhash,
    );

    // Send and confirm transaction
    let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;

    println!("Mint Address: {}", mint.pubkey());
    println!("\nTransaction Signature: {}", transaction_signature);

    let mint_account = client.get_account(&mint.pubkey()).await?;
    let mint = Mint::unpack(&mint_account.data)?;
    println!("\n{:#?}", mint);

    Ok(())
}

#!/usr/bin/env python3

import asyncio
from solana.rpc.async_api import AsyncClient
from solders.keypair import Keypair
from solders.transaction import VersionedTransaction
from solders.message import MessageV0
from solders.system_program import create_account, CreateAccountParams
from spl.token.instructions import initialize_mint, InitializeMintParams
from spl.token.constants import TOKEN_PROGRAM_ID

# Constants
DECIMALS = 9

async def create_mint(rpc, mint_authority):
    """
    Creates and initializes a new mint account
    """
    mint = Keypair()

    space = 82  # getMintSize() equivalent for SPL Token

    # Get minimum balance for rent exemption
    rent = await rpc.get_minimum_balance_for_rent_exemption(space)

    # Create & initialize mint account
    create_account_instruction = create_account(
        CreateAccountParams(
            from_pubkey=mint_authority.pubkey(),
            to_pubkey=mint.pubkey(),
            lamports=rent.value,
            space=space,
            owner=TOKEN_PROGRAM_ID
        )
    )

    initialize_mint_instruction = initialize_mint(
        InitializeMintParams(
            program_id=TOKEN_PROGRAM_ID,
            mint=mint.pubkey(),
            decimals=DECIMALS,
            mint_authority=mint_authority.pubkey(),
            freeze_authority=None
        )
    )

    instructions = [
        create_account_instruction,
        initialize_mint_instruction
    ]

    # Get latest blockhash
    latest_blockhash = await rpc.get_latest_blockhash()

    # Create message
    transaction_message = MessageV0.try_compile(
        payer=mint_authority.pubkey(),
        instructions=instructions,
        address_lookup_table_accounts=[],
        recent_blockhash=latest_blockhash.value.blockhash
    )

    # Create and sign transaction
    signed_transaction = VersionedTransaction(transaction_message, [mint_authority, mint])

    print("Mint account created successfully")
    print(f"Mint: {mint.pubkey()}")
    print(f"Mint Authority: {mint_authority.pubkey()}")
    print(f"Decimals: {DECIMALS}")

    return mint.pubkey()

async def main():
    rpc = AsyncClient("http://localhost:8899")

    # Constants
    mint_authority = Keypair()

    async with rpc:
        # Create mint account
        await create_mint(rpc, mint_authority)

if __name__ == "__main__":
    asyncio.run(main())