Ορισμός εξουσιοδότησης

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, set_authority, AuthorityType},
    state::Mint,
};

#[tokio::main]
async fn main() -> Result<()> {
    let client = RpcClient::new_with_commitment(
        String::from("http://localhost:8899"),
        CommitmentConfig::confirmed(),
    );
    let new_authority = Keypair::new();

    // Setup: create a mint before changing its authorities.

    let transaction = Transaction::new_signed_with_payer(
        &[
            set_authority(
                &token_program_id(), // Token program to invoke.
                &mint.pubkey(), // Mint whose authority changes.
                Some(&new_authority.pubkey()), // New authority to assign to this role.
                AuthorityType::MintTokens, // Authority role to update on the mint.
                &fee_payer.pubkey(), // Current authority approving this change.
                &[], // Additional multisig signers.
            )?,
            set_authority(
                &token_program_id(), // Token program to invoke.
                &mint.pubkey(), // Mint whose authority changes.
                Some(&new_authority.pubkey()), // New authority to assign to this role.
                AuthorityType::FreezeAccount, // Authority role to update on the mint.
                &fee_payer.pubkey(), // Current authority approving this change.
                &[], // Additional multisig signers.
            )?,
        ],
        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)?;

    println!("Mint Address: {}", mint.pubkey());
    println!("Mint Account: {:#?}", mint_data);
    println!("\nNew Authority Address: {}", new_authority.pubkey());
    println!("\nTransaction Signature: {}", transaction_signature);

    Ok(())
}

#!/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 (
    AuthorityType,
    initialize_mint,
    InitializeMintParams,
    set_authority,
    SetAuthorityParams,
)
from spl.token.constants import MINT_LEN, TOKEN_PROGRAM_ID

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

    new_authority = Keypair()

    async with rpc:
        # Setup: create a mint before changing the mint authority.

        set_authority_instruction = set_authority(
            SetAuthorityParams(
                program_id=TOKEN_PROGRAM_ID,  # Token program to invoke.
                account=mint.pubkey(),  # Mint whose authority changes.
                authority=AuthorityType.MINT_TOKENS,  # Authority role to update.
                current_authority=fee_payer.pubkey(),  # Current authority approving the authority update.
                new_authority=new_authority.pubkey(),  # New authority for the selected role.
            )
        )
        latest_blockhash = await rpc.get_latest_blockhash()
        transaction = Transaction(
            [fee_payer],
            Message([set_authority_instruction], fee_payer.pubkey()),
            latest_blockhash.value.blockhash,
        )
        result = await rpc.send_transaction(transaction)

        mint_info = await token.get_mint_info()
        mint_account = {
            key: str(value) if isinstance(value, Pubkey) else value
            for key, value in mint_info._asdict().items()
        }

        print("Mint Address:", mint.pubkey())
        print("Mint Account:")
        print(json.dumps(mint_account, indent=2))
        print("\nNew Authority Address:", new_authority.pubkey())
        print("\nTransaction Signature:", result.value)

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