Fix confirmTransaction function

Author: Woody4618

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 2.6
+
+- Added Transaction send helpers. `prepareTransactionWithCompute()` and `sendTransactionWithRetry()`
+- Added Transaction Parser helper functions `getIdlParsedAccountData()`, `parseAnchorTransactionEvents()` and `getIdlParsedInstructionData()`
+- Fixed `createAccountsMintsAndTokenAccounts()` function to use correct commitment and not `max` blockhash
+- Fixed `confirmTransaction()` to not use correct commitment
+
 ## 2.5
 
 - Add `makeTokenMint()`

src/lib/token.ts

@@ -250,12 +250,11 @@ const makeAndSendAndConfirmTransaction = async (
   signers: Array<Signer>,
   payer: Keypair,
 ) => {
-  const latestBlockhash = (await connection.getLatestBlockhash("max"))
-    .blockhash;
+  const latestBlockhash = await connection.getLatestBlockhash("confirmed");
 
   const messageV0 = new TransactionMessage({
     payerKey: payer.publicKey,
-    recentBlockhash: latestBlockhash,
+    recentBlockhash: latestBlockhash.blockhash,
     instructions,
   }).compileToV0Message();
   const transaction = new VersionedTransaction(messageV0);

src/lib/transaction.ts

@@ -32,7 +32,7 @@ export const confirmTransaction = async (
   signature: string,
   commitment: Commitment = "confirmed",
 ): Promise<string> => {
-  const block = await connection.getLatestBlockhash();
+  const block = await connection.getLatestBlockhash(commitment);
   const rpcResponse = await connection.confirmTransaction(
     {
       signature,
@@ -213,7 +213,7 @@ export async function sendTransactionWithRetry(
   let status: SignatureStatus | null = null;
   let retries = 0;
   // Setting a minimum to decrease spam and for the confirmation to work
-  let delayBetweenRetries = Math.max(initialDelayMs, 500); 
+  let delayBetweenRetries = Math.max(initialDelayMs, 500);
 
   while (retries < maxRetries) {
     try {

tests/src/token.test.ts

@@ -72,7 +72,7 @@ describe("makeTokenMint", () => {
 describe("createAccountsMintsAndTokenAccounts", () => {
   test("createAccountsMintsAndTokenAccounts works", async () => {
     const payer = Keypair.generate();
-    const connection = new Connection(LOCALHOST);
+    const connection = new Connection(LOCALHOST, "confirmed");
     await airdropIfRequired(
       connection,
       payer.publicKey,