Add BpfLoader (#34)

feat: Add BpfLoader

web3.js/test/bpf-loader.test.js

@@ -0,0 +1,33 @@
+// @flow
+
+import {
+  Connection,
+  BpfLoader,
+  Transaction,
+  sendAndConfirmTransaction,
+} from '../src';
+import {mockRpcEnabled} from './__mocks__/node-fetch';
+import {url} from './url';
+import {newAccountWithTokens} from './new-account-with-tokens';
+
+if (!mockRpcEnabled) {
+  // The default of 5 seconds is too slow for live testing sometimes
+  jest.setTimeout(10000);
+}
+
+test('load BPF program', async () => {
+  if (mockRpcEnabled) {
+    console.log('non-live test skipped');
+    return;
+  }
+
+  const connection = new Connection(url);
+  const from = await newAccountWithTokens(connection);
+  const programId = await BpfLoader.load(connection, from, 'test/bin/noop_c.o');
+  const transaction = new Transaction().add({
+    keys: [from.publicKey],
+    programId,
+  });
+  await sendAndConfirmTransaction(connection, from, transaction);
+});
+