Add Rust programs using pinocchio

.github/workflows/main.yml

@@ -150,3 +150,36 @@ jobs:
 
     - name: Build and test program
       run: ./test-asm.sh ${{ matrix.program }}
+
+  pinocchio-test:
+    name: Run tests against Pinocchio Rust implementations
+    strategy:
+      matrix:
+        program: [transfer-lamports, cpi]
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cache/solana
+        key: rust-${{ hashFiles('./Cargo.lock') }}
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: 1.78.0
+
+    - name: Install Rust build deps
+      run: ./install-rust-build-deps.sh
+
+    - name: Install Solana
+      run: |
+        ./install-solana.sh
+        echo "$HOME/.local/share/solana/install/active_release/bin" >> $GITHUB_PATH
+
+    - name: Build and test program
+      run: ./test-pinocchio.sh ${{ matrix.program }}

Cargo.toml

@@ -1,8 +1,10 @@
 [workspace]
 members = [
   "cpi",
+  "cpi/pinocchio",
   "helloworld",
-  "transfer-lamports"
+  "transfer-lamports",
+  "transfer-lamports/pinocchio"
 ]
 resolver = "2"
 

README.md

@@ -165,6 +165,7 @@ lets the VM assume it worked.
 | Zig | 43 |
 | C | 103 |
 | Assembly | 22 |
+| Rust (pinocchio) | 23 |
 
 This one starts to get interesting since it requires parsing the instruction
 input. Since the assembly version knows exactly where to find everything, it can
@@ -182,3 +183,4 @@ the address and `invoke_signed` to CPI to the system program.
 | Rust | 3662 |
 | Zig | 2825 |
 | C | 3122 |
+| Rust (pinocchio) | 2816 |

cpi/pinocchio/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "pinocchio-rosetta-cpi"
+version = "1.0.0"
+edition = "2021"
+
+[dependencies]
+pinocchio = "0.6"
+pinocchio-system = "0.2"
+
+[lib]
+crate-type = ["cdylib", "lib"]

cpi/pinocchio/src/lib.rs

@@ -0,0 +1,65 @@
+//! Rust example using pinocchio demonstrating invoking another program
+#![deny(missing_docs)]
+
+use pinocchio::{
+    instruction::{Account, AccountMeta, Instruction},
+    lazy_entrypoint::InstructionContext,
+    program::invoke_signed_unchecked,
+    program_error::ProgramError,
+    pubkey::create_program_address,
+    signer, ProgramResult,
+};
+
+// Since this is a single instruction program, we use the "lazy" variation
+// of the entrypoint.
+pinocchio::lazy_entrypoint!(process_instruction);
+
+/// Amount of bytes of account data to allocate
+pub const SIZE: usize = 42;
+
+/// Instruction processor.
+fn process_instruction(mut context: InstructionContext) -> ProgramResult {
+    if context.remaining() != 2 {
+        return Err(ProgramError::NotEnoughAccountKeys);
+    }
+
+    // Account info to allocate and for the program being invoked. We know that
+    // we got 2 accounts, so it is ok use `next_account_unchecked` twice.
+    let allocated_info = unsafe { context.next_account_unchecked().assume_account() };
+    // just move the offset, we don't need the system program info
+    let _system_program_info = unsafe { context.next_account_unchecked() };
+
+    // Again, don't need to check that all accounts have been consumed, we know
+    // we have exactly 2 accounts.
+    let (instruction_data, program_id) = unsafe { context.instruction_data_unchecked() };
+
+    let expected_allocated_key =
+        create_program_address(&[b"You pass butter", &[instruction_data[0]]], program_id)?;
+    if *allocated_info.key() != expected_allocated_key {
+        // allocated key does not match the derived address
+        return Err(ProgramError::InvalidArgument);
+    }
+
+    // Invoke the system program to allocate account data
+    let mut data = [0; 12];
+    data[0] = 8; // ix discriminator
+    data[4..12].copy_from_slice(&SIZE.to_le_bytes());
+
+    let instruction = Instruction {
+        program_id: &pinocchio_system::ID,
+        accounts: &[AccountMeta::writable_signer(allocated_info.key())],
+        data: &data,
+    };
+
+    // Invoke the system program with the 'unchecked' function - this is ok since
+    // we know the accounts are not borrowed elsewhere.
+    unsafe {
+        invoke_signed_unchecked(
+            &instruction,
+            &[Account::from(&allocated_info)],
+            &[signer!(b"You pass butter", &[instruction_data[0]])],
+        )
+    };
+
+    Ok(())
+}

cpi/tests/functional.rs

@@ -5,7 +5,7 @@ use {
         rent::Rent,
         system_program,
     },
-    solana_program_rosetta_cpi::{process_instruction, SIZE},
+    solana_program_rosetta_cpi::SIZE,
     solana_program_test::*,
     solana_sdk::{account::Account, signature::Signer, transaction::Transaction},
     std::str::FromStr,
@@ -16,11 +16,13 @@ async fn test_cross_program_invocation() {
     let program_id = Pubkey::from_str("invoker111111111111111111111111111111111111").unwrap();
     let (allocated_pubkey, bump_seed) =
         Pubkey::find_program_address(&[b"You pass butter"], &program_id);
+
     let mut program_test = ProgramTest::new(
-        "solana_program_rosetta_cpi",
+        option_env!("PROGRAM_NAME").unwrap_or("solana_program_rosetta_cpi"),
         program_id,
-        processor!(process_instruction),
+        None,
     );
+
     program_test.add_account(
         allocated_pubkey,
         Account {

test-pinocchio.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+PROGRAM_NAME="$1"
+ROOT_DIR="$(cd "$(dirname "$0")"; pwd)"
+#set -e
+PROGRAM_DIR=$ROOT_DIR/$PROGRAM_NAME
+cd $PROGRAM_DIR/pinocchio
+cargo build-sbf
+PROGRAM_NAME="pinocchio_rosetta_${PROGRAM_NAME//-/_}" SBF_OUT_DIR="$ROOT_DIR/target/deploy" cargo test --manifest-path "$PROGRAM_DIR/Cargo.toml"

transfer-lamports/pinocchio/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "pinocchio-rosetta-transfer-lamports"
+version = "1.0.0"
+edition = "2021"
+
+[features]
+no-entrypoint = []
+
+[dependencies]
+pinocchio = "0.6"
+
+[lib]
+crate-type = ["cdylib", "lib"]

transfer-lamports/pinocchio/src/entrypoint.rs

@@ -0,0 +1,49 @@
+//! Program entrypoint
+
+#![cfg(not(feature = "no-entrypoint"))]
+
+use pinocchio::{
+    lazy_entrypoint::{InstructionContext, MaybeAccount},
+    program_error::ProgramError,
+    ProgramResult,
+};
+
+// Since this is a single instruction program, we use the "lazy" variation
+// of the entrypoint.
+pinocchio::lazy_entrypoint!(process_instruction);
+
+#[inline]
+fn process_instruction(mut context: InstructionContext) -> ProgramResult {
+    if context.remaining() != 2 {
+        return Err(ProgramError::NotEnoughAccountKeys);
+    }
+
+    // This block is declared unsafe because:
+    //
+    // - We are using `next_account_unchecked`, which does not decrease the number of
+    //   remaining accounts in the context. This is ok because we know that we have
+    //   exactly two accounts.
+    //
+    // - We are using `assume_account` on the first account, which is ok because we
+    //   know that we have at least one account.
+    //
+    // - We are using `borrow_mut_lamports_unchecked`, which is ok because we know
+    //   that the lamports are not borrowed elsewhere and the accounts are different.
+    unsafe {
+        let source_info = context.next_account_unchecked().assume_account();
+
+        // The second account is the destination account – this one could be duplicated.
+        //
+        // We only need to transfer lamports from the source to the destination when the
+        // accounts are different, so we can safely ignore the case when the account is
+        // duplicated.
+        if let MaybeAccount::Account(destination_info) = context.next_account_unchecked() {
+            // withdraw five lamports
+            *source_info.borrow_mut_lamports_unchecked() -= 5;
+            // deposit five lamports
+            *destination_info.borrow_mut_lamports_unchecked() += 5;
+        }
+    }
+
+    Ok(())
+}

transfer-lamports/pinocchio/src/lib.rs

@@ -0,0 +1,4 @@
+//! A program demonstrating the transfer of lamports
+#![deny(missing_docs)]
+
+mod entrypoint;

transfer-lamports/tests/functional.rs

@@ -13,8 +13,13 @@ async fn test_lamport_transfer() {
     let program_id = Pubkey::from_str("TransferLamports111111111111111111111111111").unwrap();
     let source_pubkey = Pubkey::new_unique();
     let destination_pubkey = Pubkey::new_unique();
-    let mut program_test =
-        ProgramTest::new("solana_program_rosetta_transfer_lamports", program_id, None);
+
+    let mut program_test = ProgramTest::new(
+        option_env!("PROGRAM_NAME").unwrap_or("solana_program_rosetta_transfer_lamports"),
+        program_id,
+        None,
+    );
+
     let source_lamports = 5;
     let destination_lamports = 890_875;
     program_test.add_account(