import { Transaction, TransactionInstruction } from '@solana/web3.js';
import {
  getExplorerUrl,
  getNewConnection,
  getRpcEndpointUrl,
  getEncodedBufferFromData,
  sendAndConfirmTransaction,
} from '@lndgalante/solutils';
 
const { rpcUrl } = getRpcEndpointUrl('solana', 'devnet');
const connection = getNewConnection(rpcEndpointUrl);
 
const data = [
  { label: 'variant', type: 'u8', value: 2 },
  { label: 'playerId', type: 'u16', value: 1435 },
  { label: 'itemId', type: 'u128', value: 737498 },
] as DataItem[];
 
const { instructionBuffer } = getEncodedBufferFromData(data);
 
const transaction = new Transaction();
 
const instruction = new TransactionInstruction({
  data: instructionBuffer,
  programId: EXAMPLE_PROGRAM_ID,
  keys: [{ pubkey: EXAMPLE_PUBLIC_KEY, isSigner: true, isWritable: false }],
});
 
transaction.add(instruction);
 
const { transactionSignature } = await sendAndConfirmTransaction(transaction);
 
const { url } = getExplorerUrl('solana-explorer', transactionSignature, 'devnet');
console.log(`Transaction submitted: ${url}`);