First Commit

client/client.ts

@@ -0,0 +1,16 @@
+const helloWorld = async () => {
+  const transaction = await pg.program.methods.helloWorld().transaction();
+
+  const transactionID = await web3.sendAndConfirmTransaction(
+    pg.connection,
+    transaction,
+    [pg.wallet.keypair]
+  );
+
+  console.log(
+    "Transaction Complete: ",
+    `https://explorer.solana.com/tx/${transactionID}?cluster=devnet`
+  );
+};
+
+helloWorld();

src/lib.rs

@@ -0,0 +1,15 @@
+use anchor_lang::prelude::*;
+
+declare_id!("5UQcesyNGAypwzk8zudC2FL2fGrDYi4DyvEwGmmi7n45");
+
+#[program]
+mod hello_anchor {
+    use super::*;
+    pub fn hello_world(_ctx: Context<HelloWorld>) -> Result<()> {
+        msg!("Hello World from Solana Blockchain");
+        Ok(())
+    }
+}
+
+#[derive(Accounts)]
+pub struct HelloWorld {}

tests/anchor.test.ts

@@ -0,0 +1,25 @@
+// No imports needed: web3, anchor, pg and more are globally available
+
+describe("HelloWorld", () => {
+  it("HelloWorld", async () => {
+    // Generate keypair for the new account
+    const newAccountKp = new web3.Keypair();
+
+    const txHash = await pg.program.methods.helloWorld()
+      .accounts({
+        newAccount: newAccountKp.publicKey,
+        signer: pg.wallet.publicKey,
+        systemProgram: web3.SystemProgram.programId,
+      })
+      .signers([newAccountKp])
+      .rpc();
+
+    console.log(`Use 'solana confirm -v ${txHash} to see the logs`);
+
+    // Confirm transaction
+    await pg.connection.confirmTransaction(txHash);
+
+    console.log("Hello World did")
+
+  });
+});