solana-program-library/token/js/examples/permanentDelegate.ts

102 lines
2.8 KiB
TypeScript

import {
clusterApiUrl,
sendAndConfirmTransaction,
Connection,
Keypair,
SystemProgram,
Transaction,
LAMPORTS_PER_SOL,
} from '@solana/web3.js';
import {
ExtensionType,
createInitializeMintInstruction,
createInitializePermanentDelegateInstruction,
mintTo,
createAccount,
getMintLen,
transferChecked,
TOKEN_2022_PROGRAM_ID,
} from '../src';
(async () => {
const payer = Keypair.generate();
const mintAuthority = Keypair.generate();
const mintKeypair = Keypair.generate();
const mint = mintKeypair.publicKey;
const permanentDelegate = Keypair.generate();
const extensions = [ExtensionType.PermanentDelegate];
const mintLen = getMintLen(extensions);
const decimals = 9;
const connection = new Connection(clusterApiUrl('devnet'), 'confirmed');
const airdropSignature = await connection.requestAirdrop(payer.publicKey, 2 * LAMPORTS_PER_SOL);
await connection.confirmTransaction({ signature: airdropSignature, ...(await connection.getLatestBlockhash()) });
const mintLamports = await connection.getMinimumBalanceForRentExemption(mintLen);
const mintTransaction = new Transaction().add(
SystemProgram.createAccount({
fromPubkey: payer.publicKey,
newAccountPubkey: mint,
space: mintLen,
lamports: mintLamports,
programId: TOKEN_2022_PROGRAM_ID,
}),
createInitializePermanentDelegateInstruction(mint, permanentDelegate.publicKey, TOKEN_2022_PROGRAM_ID),
createInitializeMintInstruction(mint, decimals, mintAuthority.publicKey, null, TOKEN_2022_PROGRAM_ID)
);
await sendAndConfirmTransaction(connection, mintTransaction, [payer, mintKeypair], undefined);
const mintAmount = BigInt(1_000_000_000);
const owner = Keypair.generate();
const sourceAccount = await createAccount(
connection,
payer,
mint,
owner.publicKey,
undefined,
undefined,
TOKEN_2022_PROGRAM_ID
);
await mintTo(
connection,
payer,
mint,
sourceAccount,
mintAuthority,
mintAmount,
[],
undefined,
TOKEN_2022_PROGRAM_ID
);
const accountKeypair = Keypair.generate();
const destinationAccount = await createAccount(
connection,
payer,
mint,
owner.publicKey,
accountKeypair,
undefined,
TOKEN_2022_PROGRAM_ID
);
// Transfer by signing with the permanent delegate
const signature = await transferChecked(
connection,
payer,
sourceAccount,
mint,
destinationAccount,
permanentDelegate,
mintAmount,
decimals,
[],
undefined,
TOKEN_2022_PROGRAM_ID
);
})();