enroll.ts

import { Connection, Keypair, PublicKey } from '@solana/web3.js'
import { Program, Wallet, AnchorProvider } from '@coral-xyz/anchor'
import { IDL, WbaPrereq } from './programs/wba_prereq'
import wallet from './wba-wallet.json'

const keypair = Keypair.fromSecretKey(new Uint8Array(wallet.wbawallet))

const connection = new Connection('https://api.devnet.solana.com')

const github = Buffer.from('botmechanic', 'utf8')

const provider = new AnchorProvider(connection, new Wallet(keypair), {
  commitment: 'confirmed'})

const program : Program<WbaPrereq> = new Program(IDL, provider)

const enrollment_seeds = [Buffer.from('prereq'), keypair.publicKey.toBuffer()];
const [enrollment_key, _bump] = PublicKey.findProgramAddressSync(enrollment_seeds, program.programId);

(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}`)
  } })();