feat: add getSlotLeader()/getClusterNodes()

web3.js/test/connection.test.js

@@ -64,6 +64,64 @@ test('get balance', async () => {
   expect(balance).toBeGreaterThanOrEqual(0);
 });
 
+test('get slot leader', async () => {
+  const connection = new Connection(url);
+
+  mockRpc.push([
+    url,
+    {
+      method: 'getSlotLeader',
+    },
+    {
+      error: null,
+      result: '11111111111111111111111111111111',
+    },
+  ]);
+
+  const slotLeader = await connection.getSlotLeader();
+  if (mockRpcEnabled) {
+    expect(slotLeader).toBe('11111111111111111111111111111111');
+  } else {
+    // No idea what the correct slotLeader value should be on a live cluster, so
+    // just check the type
+    expect(typeof slotLeader).toBe('string');
+  }
+});
+
+test('get cluster nodes', async () => {
+  const connection = new Connection(url);
+
+  mockRpc.push([
+    url,
+    {
+      method: 'getClusterNodes',
+    },
+    {
+      error: null,
+      result: [
+        {
+          id: '11111111111111111111111111111111',
+          gossip: '127.0.0.0:1234',
+          tpu: '127.0.0.0:1235',
+          rpc: null,
+        },
+      ],
+    },
+  ]);
+
+  const clusterNodes = await connection.getClusterNodes();
+  if (mockRpcEnabled) {
+    expect(clusterNodes).toHaveLength(1);
+    expect(clusterNodes[0].id).toBe('11111111111111111111111111111111');
+    expect(typeof clusterNodes[0].gossip).toBe('string');
+    expect(typeof clusterNodes[0].tpu).toBe('string');
+    expect(clusterNodes[0].rpc).toBeNull();
+  } else {
+    // There should be at least one node (the node that we're talking to)
+    expect(clusterNodes.length).toBeGreaterThan(0);
+  }
+});
+
 test('confirm transaction - error', () => {
   const connection = new Connection(url);
 

web3.js/test/native-loader.test.js

@@ -23,7 +23,11 @@ test('load native program', async () => {
 
   const connection = new Connection(url);
   const from = await newAccountWithLamports(connection, 1024);
-  const programId = await NativeLoader.load(connection, from, 'solana_noop_program');
+  const programId = await NativeLoader.load(
+    connection,
+    from,
+    'solana_noop_program',
+  );
   const transaction = new Transaction().add({
     keys: [{pubkey: from.publicKey, isSigner: true}],
     programId,

web3.js/test/transaction.test.js

@@ -10,7 +10,11 @@ test('signPartial', () => {
   const account1 = new Account();
   const account2 = new Account();
   const recentBlockhash = account1.publicKey.toBase58(); // Fake recentBlockhash
-  const transfer = SystemProgram.transfer(account1.publicKey, account2.publicKey, 123);
+  const transfer = SystemProgram.transfer(
+    account1.publicKey,
+    account2.publicKey,
+    123,
+  );
 
   const transaction = new Transaction({recentBlockhash}).add(transfer);
   transaction.sign(account1, account2);
@@ -27,10 +31,21 @@ test('transfer signatures', () => {
   const account1 = new Account();
   const account2 = new Account();
   const recentBlockhash = account1.publicKey.toBase58(); // Fake recentBlockhash
-  const transfer1 = SystemProgram.transfer(account1.publicKey, account2.publicKey, 123);
-  const transfer2 = SystemProgram.transfer(account2.publicKey, account1.publicKey, 123);
+  const transfer1 = SystemProgram.transfer(
+    account1.publicKey,
+    account2.publicKey,
+    123,
+  );
+  const transfer2 = SystemProgram.transfer(
+    account2.publicKey,
+    account1.publicKey,
+    123,
+  );
 
-  const orgTransaction = new Transaction({recentBlockhash}).add(transfer1, transfer2);
+  const orgTransaction = new Transaction({recentBlockhash}).add(
+    transfer1,
+    transfer2,
+  );
   orgTransaction.sign(account1, account2);
 
   const newTransaction = new Transaction({