enroll.ts

import { Connection, Keypair, PublicKey } from "@solana/web3.js";
import { Program, Wallet, AnchorProvider } from "@coral-xyz/anchor";
import { IDL, Turbin3Prereq } from "./programs/Turbin3_prereq"; 
import wallet from "./Turbin3-wallet.json";


// We're going to import our keypair from the wallet file 
const keypair = Keypair.fromSecretKey(new Uint8Array(wallet));

// Create a devnet connection 
const connection = new Connection("https://api.devnet.solana.com");

// Github account 
const github = Buffer.from("brianobot", "utf8"); 

// Create our anchor provider 
const provider = new AnchorProvider(connection, new Wallet(keypair), { commitment: "confirmed"});

// Create our program 
const program : Program<Turbin3Prereq> = new Program(IDL, provider);


// Execute our enrollment transaction 
(async () => { 
    try { 
        const txhash = await program.methods 
            .complete(github) 
            .accounts({ 
            signer: keypair.publicKey, 
        }) 
        .signers([keypair ])
        .rpc(); 

        console.log(`✅ Success! Check out your TX here: https://explorer.solana.com/tx/${txhash}?cluster=devnet`); 
    } catch(e) {
        console.error(`❌ Oops, something went wrong: ${e}`) 
    } 
})();