Test p2pkh address

test/unit.js

@@ -1,6 +1,25 @@
 import test from 'ava';
+// For some reason AVA can't `import` bitcoin so `require` for now.
+// import bitcoin from 'bitcoinjs-lib';
 import Vain from '..';
 
+const bitcoin = require('bitcoinjs-lib');
+
 test('Vain is exported', t => {
 	t.not(Vain, undefined);
 });
+
+test('Vain derives a p2pkh vanity address', async t => {
+	const options = {
+		addressFormat: 'p2pkh',
+		prefix: 'A'
+	};
+	const vain = new Vain(options);
+	const {address, wif} = await vain.start();
+
+	const keyPair = bitcoin.ECPair.fromWIF(wif);
+	const {address: wifAddress} = bitcoin.payments.p2pkh({pubkey: keyPair.publicKey});
+
+	t.true(address.startsWith(`1${options.prefix}`));
+	t.is(address, wifAddress);
+});