Remove unactivated ristretto syscall (backport #16727) (#16744)

* Remove unactivated ristretto syscall (#16727)

(cherry picked from commit be4df39a4c)

# Conflicts:
#	programs/bpf/Cargo.lock
#	programs/bpf/rust/ristretto/Cargo.toml
#	programs/bpf/tests/programs.rs
#	programs/bpf_loader/src/syscalls.rs
#	sdk/src/feature_set.rs

* fix conflicts

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

Cargo.lock

@@ -900,19 +900,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "curve25519-dalek"
-version = "3.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8492de420e9e60bc9a1d66e2dbb91825390b738a388606600663fc529b4b307"
-dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
- "subtle 2.2.2",
- "zeroize",
-]
-
 [[package]]
 name = "dashmap"
 version = "4.0.2"
@@ -1066,7 +1053,7 @@ version = "1.0.0-pre.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21a8a37f4e8b35af971e6db5e3897e7a6344caa3f92f6544f88125a1f5f0035a"
 dependencies = [
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "ed25519",
  "rand 0.7.3",
  "serde",
@@ -3959,7 +3946,6 @@ version = "1.5.20"
 dependencies = [
  "bincode",
  "byteorder",
- "curve25519-dalek 3.0.0",
  "log 0.4.11",
  "num-derive",
  "num-traits",
@@ -4240,7 +4226,7 @@ dependencies = [
  "backtrace",
  "bytes 0.4.12",
  "cc",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "ed25519-dalek",
  "either",
  "lazy_static",
@@ -4755,7 +4741,7 @@ name = "solana-perf"
 version = "1.5.20"
 dependencies = [
  "bincode",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "dlopen",
  "dlopen_derive",
  "lazy_static",
@@ -4800,7 +4786,7 @@ dependencies = [
  "borsh-derive",
  "bs58",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "hex",
  "itertools 0.9.0",
  "lazy_static",
@@ -4834,7 +4820,7 @@ dependencies = [
  "borsh-derive",
  "bs58",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "hex",
  "itertools 0.9.0",
  "lazy_static",
@@ -4996,7 +4982,7 @@ dependencies = [
  "bv",
  "byteorder",
  "chrono",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "derivation-path",
  "digest 0.9.0",
  "ed25519-dalek",

programs/bpf/Cargo.lock

@@ -627,19 +627,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "curve25519-dalek"
-version = "3.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8492de420e9e60bc9a1d66e2dbb91825390b738a388606600663fc529b4b307"
-dependencies = [
- "byteorder 1.3.4",
- "digest 0.9.0",
- "rand_core 0.5.1",
- "subtle 2.2.2",
- "zeroize",
-]
-
 [[package]]
 name = "dashmap"
 version = "4.0.2"
@@ -752,7 +739,7 @@ version = "1.0.0-pre.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21a8a37f4e8b35af971e6db5e3897e7a6344caa3f92f6544f88125a1f5f0035a"
 dependencies = [
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "ed25519",
  "rand 0.7.3",
  "serde",
@@ -2628,7 +2615,6 @@ version = "1.5.20"
 dependencies = [
  "bincode",
  "byteorder 1.3.4",
- "curve25519-dalek 3.0.0",
  "log",
  "num-derive 0.3.0",
  "num-traits",
@@ -2852,15 +2838,6 @@ dependencies = [
  "solana-program 1.5.20",
 ]
 
-[[package]]
-name = "solana-bpf-rust-ristretto"
-version = "1.5.20"
-dependencies = [
- "curve25519-dalek 3.0.0",
- "getrandom 0.1.14",
- "solana-program 1.5.20",
-]
-
 [[package]]
 name = "solana-bpf-rust-ro-modify"
 version = "1.5.20"
@@ -3017,7 +2994,7 @@ dependencies = [
  "backtrace",
  "bytes 0.4.12",
  "cc",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "ed25519-dalek",
  "either",
  "lazy_static",
@@ -3187,7 +3164,7 @@ dependencies = [
  "borsh-derive",
  "bs58",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "hex",
  "itertools 0.9.0",
  "lazy_static",
@@ -3220,7 +3197,7 @@ dependencies = [
  "borsh-derive",
  "bs58",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek",
  "hex",
  "itertools 0.9.0",
  "lazy_static",

programs/bpf/Cargo.toml

@@ -65,7 +65,6 @@ members = [
     "rust/param_passing",
     "rust/param_passing_dep",
     "rust/rand",
-    "rust/ristretto",
     "rust/ro_modify",
     "rust/sanity",
     "rust/sha256",

programs/bpf/build.rs

@@ -81,7 +81,6 @@ fn main() {
             "panic",
             "param_passing",
             "rand",
-            "ristretto",
             "ro_modify",
             "sanity",
             "sha256",

programs/bpf/rust/ristretto/Cargo.toml

@@ -1,21 +0,0 @@
-[package]
-name = "solana-bpf-rust-ristretto"
-version = "1.5.20"
-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/"
-documentation = "https://docs.rs/solana-bpf-rust-ristretto"
-edition = "2018"
-
-[dependencies]
-curve25519-dalek = "3"
-getrandom = { version = "0.1.14", features = ["dummy"] }
-solana-program = { path = "../../../../sdk/program", version = "=1.5.20" }
-
-[lib]
-crate-type = ["cdylib"]
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

programs/bpf/rust/ristretto/Xargo.toml

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

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

@@ -1,46 +0,0 @@
-//! @brief Example Rust-based BPF program that performs a ristretto multiply
-
-pub mod ristretto;
-
-use crate::ristretto::ristretto_mul;
-use curve25519_dalek::{constants::RISTRETTO_BASEPOINT_POINT, scalar::Scalar};
-use solana_program::{
-    account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, msg, pubkey::Pubkey,
-};
-
-fn test_ristretto_mul() -> ProgramResult {
-    let point = RISTRETTO_BASEPOINT_POINT;
-    let scalar = Scalar::zero();
-    let result = ristretto_mul(&point, &scalar)?;
-    assert_ne!(point, result);
-
-    let point = RISTRETTO_BASEPOINT_POINT;
-    let scalar = Scalar::one();
-    let result = ristretto_mul(&point, &scalar)?;
-    assert_eq!(point, result);
-
-    Ok(())
-}
-
-entrypoint!(process_instruction);
-fn process_instruction(
-    _program_id: &Pubkey,
-    _accounts: &[AccountInfo],
-    _instruction_data: &[u8],
-) -> ProgramResult {
-    msg!("Ristretto multiply");
-
-    test_ristretto_mul()?;
-
-    Ok(())
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_ristretto() {
-        test_ristretto_mul().unwrap();
-    }
-}

programs/bpf/rust/ristretto/src/ristretto.rs

@@ -1,44 +0,0 @@
-use curve25519_dalek::{ristretto::RistrettoPoint, scalar::Scalar};
-use solana_program::program_error::ProgramError;
-
-/// Multiply a ristretto point with a scalar
-///
-/// @param point - Ristretto point
-/// @param scalar - Scalar to mulitply against
-/// @return - result of the multiplication
-#[inline]
-pub fn ristretto_mul(
-    point: &RistrettoPoint,
-    scalar: &Scalar,
-) -> Result<RistrettoPoint, ProgramError> {
-    // Perform the calculation inline, calling this from within a program is
-    // not supported
-    #[cfg(not(target_arch = "bpf"))]
-    {
-        Ok(point * scalar)
-    }
-    // Call via a system call to perform the calculation
-    #[cfg(target_arch = "bpf")]
-    {
-        extern "C" {
-            fn sol_ristretto_mul(
-                point_addr: *const u8,
-                scalar_addr: *const u8,
-                result_addr: *mut u8,
-            ) -> u64;
-        }
-
-        let mut result = RistrettoPoint::default();
-        let status = unsafe {
-            sol_ristretto_mul(
-                point as *const _ as *const u8,
-                scalar as *const _ as *const u8,
-                &mut result as *const _ as *mut u8,
-            )
-        };
-        match status {
-            solana_program::entrypoint::SUCCESS => Ok(result),
-            _ => Err(status.into()),
-        }
-    }
-}

programs/bpf/tests/programs.rs

@@ -27,7 +27,6 @@ use solana_sdk::{
     client::SyncClient,
     clock::{DEFAULT_SLOTS_PER_EPOCH, MAX_PROCESSING_AGE},
     entrypoint::{MAX_PERMITTED_DATA_INCREASE, SUCCESS},
-    feature_set::try_find_program_address_syscall_enabled,
     instruction::{AccountMeta, CompiledInstruction, Instruction, InstructionError},
     keyed_account::KeyedAccount,
     message::Message,
@@ -429,7 +428,6 @@ fn test_program_bpf_sanity() {
             ("solana_bpf_rust_panic", false),
             ("solana_bpf_rust_param_passing", true),
             ("solana_bpf_rust_rand", true),
-            ("solana_bpf_rust_ristretto", true),
             ("solana_bpf_rust_sanity", true),
             ("solana_bpf_rust_sha256", true),
             ("solana_bpf_rust_sysval", true),
@@ -1233,7 +1231,6 @@ fn assert_instruction_count() {
             ("solana_bpf_rust_many_args", 237),
             ("solana_bpf_rust_noop", 488),
             ("solana_bpf_rust_param_passing", 48),
-            ("solana_bpf_rust_ristretto", 19409),
             ("solana_bpf_rust_sanity", 938),
         ]);
     }
@@ -2184,41 +2181,3 @@ fn test_program_upgradeable_locks() {
         panic!("no meta");
     }
 }
-
-#[cfg(feature = "bpf_rust")]
-#[test]
-fn test_program_bpf_syscall_feature_activation() {
-    solana_logger::setup();
-
-    let GenesisConfigInfo {
-        genesis_config,
-        mint_keypair,
-        ..
-    } = create_genesis_config(50);
-    let mut bank = Bank::new(&genesis_config);
-    bank.deactivate_feature(&try_find_program_address_syscall_enabled::id());
-    let (name, id, entrypoint) = solana_bpf_loader_program!();
-    bank.add_builtin(&name, id, entrypoint);
-    let bank = Arc::new(bank);
-    let bank_client = BankClient::new_shared(&bank);
-
-    let program_id = load_bpf_program(
-        &bank_client,
-        &bpf_loader::id(),
-        &mint_keypair,
-        "solana_bpf_rust_noop",
-    );
-    let instruction = Instruction::new(program_id, &0u8, vec![]);
-    let result = bank_client.send_and_confirm_instruction(&mint_keypair, instruction);
-    assert!(result.is_ok());
-
-    let mut bank = Bank::new_from_parent(&bank, &Pubkey::default(), 1);
-    bank.activate_feature(&try_find_program_address_syscall_enabled::id());
-
-    let bank = Arc::new(bank);
-    let bank_client = BankClient::new_shared(&bank);
-    let instruction = Instruction::new(program_id, &1u8, vec![]);
-    let result = bank_client.send_and_confirm_instruction(&mint_keypair, instruction);
-    println!("result: {:?}", result);
-    assert!(result.is_ok());
-}

programs/bpf_loader/Cargo.toml

@@ -12,7 +12,6 @@ edition = "2018"
 [dependencies]
 bincode = "1.3.1"
 byteorder = "1.3.4"
-curve25519-dalek = "3"
 log = "0.4.11"
 num-derive = "0.3"
 num-traits = "0.2"

programs/bpf_loader/src/syscalls.rs

@@ -1,6 +1,5 @@
 use crate::{alloc, BpfError};
 use alloc::Alloc;
-use curve25519_dalek::{ristretto::RistrettoPoint, scalar::Scalar};
 use solana_rbpf::{
     ebpf::MM_HEAP_START,
     error::EbpfError,
@@ -18,9 +17,9 @@ use solana_sdk::{
     entrypoint::{MAX_PERMITTED_DATA_INCREASE, SUCCESS},
     feature_set::{
         abort_on_all_cpi_failures, cpi_data_cost, limit_cpi_loader_invoke, per_byte_logging_cost,
-        pubkey_log_syscall_enabled, ristretto_mul_syscall_enabled, sha256_syscall_enabled,
+        pubkey_log_syscall_enabled, sha256_syscall_enabled, sol_log_compute_units_syscall,
-        sol_log_compute_units_syscall, try_find_program_address_syscall_enabled,
+        try_find_program_address_syscall_enabled, use_loaded_executables,
-        use_loaded_executables, use_loaded_program_accounts,
+        use_loaded_program_accounts,
     },
     hash::{Hasher, HASH_BYTES},
     ic_msg,
@@ -123,11 +122,6 @@ pub fn register_syscalls(
         syscall_registry.register_syscall_by_name(b"sol_sha256", SyscallSha256::call)?;
     }
 
-    if invoke_context.is_feature_active(&ristretto_mul_syscall_enabled::id()) {
-        syscall_registry
-            .register_syscall_by_name(b"sol_ristretto_mul", SyscallRistrettoMul::call)?;
-    }
-
     syscall_registry.register_syscall_by_name(
         b"sol_create_program_address",
         SyscallCreateProgramAddress::call,
@@ -237,17 +231,6 @@ pub fn bind_syscall_context_objects<'a>(
         }),
     );
 
-    bind_feature_gated_syscall_context_object!(
-        vm,
-        invoke_context,
-        &ristretto_mul_syscall_enabled::id(),
-        Box::new(SyscallRistrettoMul {
-            cost: 0,
-            compute_meter: invoke_context.get_compute_meter(),
-            loader_id,
-        }),
-    );
-
     vm.bind_syscall_context_object(
         Box::new(SyscallCreateProgramAddress {
             cost: bpf_compute_budget.create_program_address_units,
@@ -821,43 +804,6 @@ impl<'a> SyscallObject<BpfError> for SyscallSha256<'a> {
     }
 }
 
-/// Ristretto point multiply
-pub struct SyscallRistrettoMul<'a> {
-    cost: u64,
-    compute_meter: Rc<RefCell<dyn ComputeMeter>>,
-    loader_id: &'a Pubkey,
-}
-impl<'a> SyscallObject<BpfError> for SyscallRistrettoMul<'a> {
-    fn call(
-        &mut self,
-        point_addr: u64,
-        scalar_addr: u64,
-        result_addr: u64,
-        _arg4: u64,
-        _arg5: u64,
-        memory_mapping: &MemoryMapping,
-        result: &mut Result<u64, EbpfError<BpfError>>,
-    ) {
-        question_mark!(self.compute_meter.consume(self.cost), result);
-
-        let point = question_mark!(
-            translate_type::<RistrettoPoint>(memory_mapping, point_addr, self.loader_id),
-            result
-        );
-        let scalar = question_mark!(
-            translate_type::<Scalar>(memory_mapping, scalar_addr, self.loader_id),
-            result
-        );
-        let output = question_mark!(
-            translate_type_mut::<RistrettoPoint>(memory_mapping, result_addr, self.loader_id),
-            result
-        );
-        *output = point * scalar;
-
-        *result = Ok(0);
-    }
-}
-
 // Cross-program invocation syscalls
 
 struct AccountReferences<'a> {

sdk/src/feature_set.rs

@@ -63,10 +63,6 @@ pub mod no_overflow_rent_distribution {
     solana_sdk::declare_id!("4kpdyrcj5jS47CZb2oJGfVxjYbsMm2Kx97gFyZrxxwXz");
 }
 
-pub mod ristretto_mul_syscall_enabled {
-    solana_sdk::declare_id!("HRe7A6aoxgjKzdjbBv6HTy7tJ4YWqE6tVmYCGho6S9Aq");
-}
-
 pub mod max_invoke_depth_4 {
     solana_sdk::declare_id!("EdM9xggY5y7AhNMskRG8NgGMnaP4JFNsWi8ZZtyT1af5");
 }
@@ -197,7 +193,6 @@ lazy_static! {
         (bpf_compute_budget_balancing::id(), "compute budget balancing"),
         (sha256_syscall_enabled::id(), "sha256 syscall"),
         (no_overflow_rent_distribution::id(), "no overflow rent distribution"),
-        (ristretto_mul_syscall_enabled::id(), "ristretto multiply syscall"),
         (max_invoke_depth_4::id(), "max invoke call depth 4"),
         (max_program_call_depth_64::id(), "max program call depth 64"),
         (sol_log_compute_units_syscall::id(), "sol_log_compute_units syscall (#13243)"),