feat: expose feeCalculator

web3.js/test/connection.test.js

@@ -204,8 +204,12 @@ test('get recent blockhash', async () => {
 
   mockGetRecentBlockhash();
 
-  const recentBlockhash = await connection.getRecentBlockhash();
+  const [
+    recentBlockhash,
+    feeCalculator,
+  ] = await connection.getRecentBlockhash();
   expect(recentBlockhash.length).toBeGreaterThanOrEqual(43);
+  expect(feeCalculator.lamportsPerSignature).toBeGreaterThanOrEqual(0);
 });
 
 test('request airdrop', async () => {
@@ -482,7 +486,9 @@ test('multi-instruction transaction', async () => {
     accountFrom.publicKey,
     accountTo.publicKey,
     100,
-  ).add(SystemProgram.transfer(accountTo.publicKey, accountFrom.publicKey, 100));
+  ).add(
+    SystemProgram.transfer(accountTo.publicKey, accountFrom.publicKey, 100),
+  );
   const signature = await connection.sendTransaction(
     transaction,
     accountFrom,

web3.js/test/mockrpc/get-recent-blockhash.js

@@ -18,7 +18,7 @@ export function mockGetRecentBlockhash() {
       result: [
         recentBlockhash.publicKey.toBase58(),
         {
-          /* empty fee calculator */
+          lamportsPerSignature: 42,
         },
       ],
     },

web3.js/test/transaction-payer.test.js

@@ -137,11 +137,11 @@ test('transaction-payer', async () => {
     },
   ]);
 
-  // accountPayer should be less less than 100 as it paid for the transaction
+  // accountPayer could be less than 100 as it paid for the transaction
   // (exact amount less depends on the current cluster fees)
   const balance = await connection.getBalance(accountPayer.publicKey);
   expect(balance).toBeGreaterThan(0);
-  expect(balance).toBeLessThanOrEqual(99);
+  expect(balance).toBeLessThanOrEqual(100);
 
   // accountFrom should have exactly 2, since it didn't pay for the transaction
   mockRpc.push([