Make noop a real noop (bp #12196) (#12247)

* Make noop a real noop (#12196)

* Make noop a real noop

* nudge

(cherry picked from commit 555252f435)

* resolve conflicts

Co-authored-by: Jack May <jack@solana.com>

programs/bpf/Cargo.lock

@@ -1815,6 +1815,13 @@ dependencies = [
  "solana-sdk",
 ]
 
+[[package]]
+name = "solana-bpf-rust-sanity"
+version = "1.4.0"
+dependencies = [
+ "solana-sdk",
+]
+
 [[package]]
 name = "solana-bpf-rust-sysval"
 version = "1.3.12"

programs/bpf/Cargo.toml

@@ -50,6 +50,7 @@ members = [
     "rust/panic",
     "rust/param_passing",
     "rust/param_passing_dep",
+    "rust/sanity",
     "rust/sysval",
 ]
 

programs/bpf/build.rs

@@ -79,6 +79,7 @@ fn main() {
             "noop",
             "panic",
             "param_passing",
+            "sanity",
             "sysval",
         ];
         for program in rust_programs.iter() {

programs/bpf/c/src/noop/noop.c

@@ -1,22 +1,13 @@
 /**
- * @brief Example C-based BPF program that prints out the parameters
- * passed to it
+ * @brief Example C-based BPF noop program
  */
 #include <solana_sdk.h>
 
 extern uint64_t entrypoint(const uint8_t *input) {
   SolAccountInfo ka[1];
   SolParameters params = (SolParameters) { .ka = ka };
-
-  sol_log(__FILE__);
-
   if (!sol_deserialize(input, &params, SOL_ARRAY_SIZE(ka))) {
     return ERROR_INVALID_ARGUMENT;
   }
-
-  // Log the provided input parameters.  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.
-  sol_log_params(&params);
   return SUCCESS;
 }

programs/bpf/c/src/sanity/sanity.c

@@ -0,0 +1,22 @@
+/**
+ * @brief Example C-based BPF sanity rogram that prints out the parameters
+ * passed to it
+ */
+#include <solana_sdk.h>
+
+extern uint64_t entrypoint(const uint8_t *input) {
+  SolAccountInfo ka[1];
+  SolParameters params = (SolParameters) { .ka = ka };
+
+  sol_log(__FILE__);
+
+  if (!sol_deserialize(input, &params, SOL_ARRAY_SIZE(ka))) {
+    return ERROR_INVALID_ARGUMENT;
+  }
+
+  // Log the provided input parameters.  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.
+  sol_log_params(&params);
+  return SUCCESS;
+}

programs/bpf/rust/noop/src/lib.rs

@@ -1,77 +1,15 @@
-//! @brief Example Rust-based BPF program that prints out the parameters passed to it
-
-#![allow(unreachable_code)]
+//! @brief Example Rust-based BPF noop program
 
 extern crate solana_sdk;
 use solana_sdk::{
-    account_info::AccountInfo, bpf_loader, entrypoint, entrypoint::ProgramResult, info, log::*,
-    pubkey::Pubkey,
+    account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, 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],
+    _program_id: &Pubkey,
+    _accounts: &[AccountInfo],
+    _instruction_data: &[u8],
 ) -> ProgramResult {
-    info!("Program identifier:");
-    program_id.log();
-
-    assert!(!bpf_loader::check_id(program_id));
-
-    // 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.
-    info!("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);
-        info!(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::*;
-    // Pull in syscall stubs when building for non-BPF targets
-    solana_sdk::program_stubs!();
-
-    #[test]
-    fn test_return_sstruct() {
-        assert_eq!(SStruct { x: 1, y: 2, z: 3 }, return_sstruct());
-    }
-}

programs/bpf/rust/sanity/Cargo.toml

@@ -0,0 +1,26 @@
+
+# Note: This crate must be built using do.sh
+
+[package]
+name = "solana-bpf-rust-sanity"
+version = "1.4.0"
+description = "Solana BPF test program written in Rust"
+authors = ["Solana Maintainers <maintainers@solana.foundation>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+edition = "2018"
+
+[dependencies]
+solana-sdk = { path = "../../../../sdk/", version = "1.3.12", default-features = false }
+
+[features]
+program = ["solana-sdk/program"]
+default = ["program", "solana-sdk/default"]
+
+[lib]
+name = "solana_bpf_rust_sanity"
+crate-type = ["cdylib"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

programs/bpf/rust/sanity/Xargo.toml

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

programs/bpf/rust/sanity/src/lib.rs

@@ -0,0 +1,77 @@
+//! @brief Example Rust-based BPF sanity program that prints out the parameters passed to it
+
+#![allow(unreachable_code)]
+
+extern crate solana_sdk;
+use solana_sdk::{
+    account_info::AccountInfo, bpf_loader, entrypoint, entrypoint::ProgramResult, info, 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 {
+    info!("Program identifier:");
+    program_id.log();
+
+    assert!(!bpf_loader::check_id(program_id));
+
+    // 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.
+    info!("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);
+        info!(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::*;
+    // Pull in syscall stubs when building for non-BPF targets
+    solana_sdk::program_stubs!();
+
+    #[test]
+    fn test_return_sstruct() {
+        assert_eq!(SStruct { x: 1, y: 2, z: 3 }, return_sstruct());
+    }
+}