fix: remove deprecated bpf-sdk, localnet, and examples

BREAKING CHANGE: Removed binaries solana-localnet and solana-bpf-sdk-install.
Please install the Solana CLI tools to download the BPF SDK and to
install the solana-test-validator binary intead.

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

@@ -17,52 +17,7 @@ use(chaiAsPromised);
 
 if (process.env.TEST_LIVE) {
   describe('BPF Loader', () => {
-    it('load BPF C program', async () => {
-      const data = await fs.readFile('test/fixtures/noop-c/noop.so');
-
-      const connection = new Connection(url, 'confirmed');
-      const {feeCalculator} = await connection.getRecentBlockhash();
-      const fees =
-        feeCalculator.lamportsPerSignature *
-        BpfLoader.getMinNumSignatures(data.length);
-      const payerBalance = await connection.getMinimumBalanceForRentExemption(
-        0,
-      );
-      const executableBalance = await connection.getMinimumBalanceForRentExemption(
-        data.length,
-      );
-
-      const from = new Account();
-      await helpers.airdrop({
-        connection,
-        address: from.publicKey,
-        amount: payerBalance + fees + executableBalance,
-      });
-
-      const program = new Account();
-      await BpfLoader.load(
-        connection,
-        from,
-        program,
-        data,
-        BPF_LOADER_PROGRAM_ID,
-      );
-
-      // Check that program loading costed exactly `fees + executableBalance`
-      const fromBalance = await connection.getBalance(from.publicKey);
-      expect(fromBalance).to.eq(payerBalance);
-
-      const transaction = new Transaction().add({
-        keys: [{pubkey: from.publicKey, isSigner: true, isWritable: true}],
-        programId: program.publicKey,
-      });
-      await sendAndConfirmTransaction(connection, transaction, [from], {
-        commitment: 'confirmed',
-        preflightCommitment: 'confirmed',
-      });
-    }).timeout(5000);
-
-    describe('load BPF Rust program', () => {
+    describe('load BPF program', () => {
       const connection = new Connection(url, 'confirmed');
 
       let program = new Account();
@@ -72,7 +27,7 @@ if (process.env.TEST_LIVE) {
       before(async function () {
         this.timeout(60_000);
         programData = await fs.readFile(
-          'test/fixtures/noop-rust/solana_bpf_rust_noop.so',
+          'test/fixtures/noop-program/solana_bpf_rust_noop.so',
         );
 
         const {feeCalculator} = await connection.getRecentBlockhash();

web3.js/test/connection.test.ts

@@ -927,7 +927,7 @@ describe('Connection', () => {
       },
     });
 
-    // Block 0 never has any transactions in automation localnet
+    // Block 0 never has any transactions in test validator
     const block0 = await connection.getConfirmedBlock(0);
     const blockhash0 = block0.blockhash;
     expect(block0.transactions).to.have.length(0);

web3.js/test/fixtures/noop-c/build.sh

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-cd "$(dirname "$0")"
-
-make -C ../../../examples/bpf-c-noop/
-cp ../../../examples/bpf-c-noop/out/noop.so .

web3.js/test/fixtures/noop-program/.gitignore

@@ -0,0 +1,3 @@
+/target/
+
+Cargo.lock

web3.js/test/fixtures/noop-program/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "solana-bpf-rust-noop"
+version = "0.1.0"
+description = "Solana BPF noop program written in Rust"
+authors = ["Solana Maintainers <maintainers@solana.com>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-bpf-rust-noop"
+edition = "2018"
+
+[dependencies]
+num-derive = "0.2"
+num-traits = "0.2"
+solana-program = "1.4.16"
+thiserror = "1.0"
+
+[workspace]
+members = []
+
+[lib]
+name = "solana_bpf_rust_noop"
+crate-type = ["cdylib"]

web3.js/test/fixtures/noop-program/Xargo.toml

@@ -0,0 +1,2 @@
+[target.bpfel-unknown-unknown.dependencies.std]
+features = []

web3.js/test/fixtures/noop-program/build.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -ex
+
+cd "$(dirname "$0")"
+
+cargo build-bpf
+cp ./target/deploy/solana_bpf_rust_noop.so .

web3.js/test/fixtures/noop-program/src/lib.rs

@@ -0,0 +1,70 @@
+//! @brief Example Rust-based BPF program that prints out the parameters passed to it
+
+
+use solana_program::{
+    account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, msg, log::*, pubkey::Pubkey,
+};
+
+#[derive(Debug, PartialEq)]
+struct SStruct {
+    x: u64,
+    y: u64,
+    z: u64,
+}
+
+#[inline(never)]
+fn return_sstruct() -> SStruct {
+    SStruct { x: 1, y: 2, z: 3 }
+}
+
+entrypoint!(process_instruction);
+fn process_instruction(
+    program_id: &Pubkey,
+    accounts: &[AccountInfo],
+    instruction_data: &[u8],
+) -> ProgramResult {
+    msg!("Program identifier:");
+    program_id.log();
+
+    // Log the provided account keys and instruction input data.  In the case of
+    // the no-op program, no account keys or input data are expected but real
+    // programs will have specific requirements so they can do their work.
+    msg!("Account keys and instruction input data:");
+    sol_log_params(accounts, instruction_data);
+
+    {
+        // Test - use std methods, unwrap
+
+        // valid bytes, in a stack-allocated array
+        let sparkle_heart = [240, 159, 146, 150];
+        let result_str = std::str::from_utf8(&sparkle_heart).unwrap();
+        assert_eq!(4, result_str.len());
+        assert_eq!("💖", result_str);
+        msg!(result_str);
+    }
+
+    {
+        // Test - struct return
+
+        let s = return_sstruct();
+        assert_eq!(s.x + s.y + s.z, 6);
+    }
+
+    {
+        // Test - arch config
+        #[cfg(not(target_arch = "bpf"))]
+        panic!();
+    }
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_return_sstruct() {
+        assert_eq!(SStruct { x: 1, y: 2, z: 3 }, return_sstruct());
+    }
+}

web3.js/test/fixtures/noop-rust/build.sh

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-cd "$(dirname "$0")"
-
-cargo build-bpf --manifest-path=../../../examples/bpf-rust-noop/Cargo.toml
-cp ../../../examples/bpf-rust-noop/target/deploy/solana_bpf_rust_noop.so .