Add adjustable stack size and call depth (#12728)
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16d45b8480
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c3907be623
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@ -4790,9 +4790,9 @@ dependencies = [
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[[package]]
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name = "solana_rbpf"
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version = "0.1.31"
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version = "0.1.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "962f8f04ac7239fe4dd45fa4ce706ec78b59a0da9f41def463832857e36c60b0"
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checksum = "9a95dbe2b00920ac4e1524b7442cf5319f01e8fa5742930ac60148882fd7738b"
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dependencies = [
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"byteorder",
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"combine",
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@ -1798,6 +1798,13 @@ dependencies = [
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"solana-sdk",
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]
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[[package]]
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name = "solana-bpf-rust-call-depth"
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version = "1.4.0"
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dependencies = [
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"solana-sdk",
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]
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[[package]]
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name = "solana-bpf-rust-custom-heap"
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version = "1.5.0"
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@ -2191,9 +2198,9 @@ dependencies = [
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[[package]]
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name = "solana_rbpf"
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version = "0.1.31"
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version = "0.1.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "962f8f04ac7239fe4dd45fa4ce706ec78b59a0da9f41def463832857e36c60b0"
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checksum = "9a95dbe2b00920ac4e1524b7442cf5319f01e8fa5742930ac60148882fd7738b"
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dependencies = [
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"byteorder 1.3.4",
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"combine",
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@ -27,7 +27,7 @@ solana-logger = { path = "../../logger", version = "1.5.0" }
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solana-measure = { path = "../../measure", version = "1.5.0" }
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solana-runtime = { path = "../../runtime", version = "1.5.0" }
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solana-sdk = { path = "../../sdk", version = "1.5.0" }
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solana_rbpf = "=0.1.31"
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solana_rbpf = "=0.1.32"
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[[bench]]
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name = "bpf_loader"
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@ -57,6 +57,7 @@ members = [
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"rust/ristretto",
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"rust/sanity",
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"rust/sha256",
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"rust/call_depth",
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"rust/sysval",
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]
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@ -85,6 +85,7 @@ fn main() {
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"ristretto",
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"sanity",
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"sha256",
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"call_depth",
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"sysval",
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];
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for program in rust_programs.iter() {
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@ -0,0 +1,26 @@
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# Note: This crate must be built using do.sh
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[package]
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name = "solana-bpf-rust-call-depth"
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version = "1.4.0"
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description = "Solana BPF test program written in Rust"
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authors = ["Solana Maintainers <maintainers@solana.foundation>"]
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repository = "https://github.com/solana-labs/solana"
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license = "Apache-2.0"
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homepage = "https://solana.com/"
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edition = "2018"
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[dependencies]
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solana-sdk = { path = "../../../../sdk/", version = "1.4.0", default-features = false }
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[features]
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program = ["solana-sdk/program"]
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default = ["program", "solana-sdk/default"]
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[lib]
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name = "solana_bpf_rust_call_depth"
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crate-type = ["cdylib"]
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[package.metadata.docs.rs]
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targets = ["x86_64-unknown-linux-gnu"]
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@ -0,0 +1,2 @@
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[target.bpfel-unknown-unknown.dependencies.std]
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features = []
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@ -0,0 +1,27 @@
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//! @brief Example Rust-based BPF program that tests call depth and stack usage
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use solana_sdk::{entrypoint::SUCCESS, info};
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#[inline(never)]
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pub fn recurse(data: &mut [u8]) {
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if data.len() <= 1 {
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return;
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}
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recurse(&mut data[1..]);
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info!(line!(), 0, 0, 0, data[0]);
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}
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/// # Safety
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#[inline(never)]
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#[no_mangle]
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pub unsafe extern "C" fn entrypoint(input: *mut u8) -> u64 {
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info!("Call depth");
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let depth = *(input.add(16) as *mut u8);
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info!(line!(), 0, 0, 0, depth);
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let mut data = Vec::with_capacity(depth as usize);
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for i in 0_u8..depth {
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data.push(i);
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}
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recurse(&mut data);
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SUCCESS
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}
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@ -643,6 +643,43 @@ fn test_program_bpf_invoke() {
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}
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}
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#[cfg(feature = "bpf_rust")]
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#[test]
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fn test_program_bpf_call_depth() {
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solana_logger::setup();
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println!("Test program: solana_bpf_rust_call_depth");
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let GenesisConfigInfo {
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genesis_config,
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mint_keypair,
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..
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} = create_genesis_config(50);
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let mut bank = Bank::new(&genesis_config);
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let (name, id, entrypoint) = solana_bpf_loader_program!();
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bank.add_builtin_loader(&name, id, entrypoint);
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let bank_client = BankClient::new(bank);
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let program_id = load_bpf_program(
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&bank_client,
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&bpf_loader::id(),
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&mint_keypair,
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"solana_bpf_rust_call_depth",
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);
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let instruction = Instruction::new(
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program_id,
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&(ComputeBudget::default().max_call_depth - 1),
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vec![],
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);
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let result = bank_client.send_and_confirm_instruction(&mint_keypair, instruction);
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assert!(result.is_ok());
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let instruction =
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Instruction::new(program_id, &ComputeBudget::default().max_call_depth, vec![]);
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let result = bank_client.send_and_confirm_instruction(&mint_keypair, instruction);
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assert!(result.is_err());
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}
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#[test]
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fn assert_instruction_count() {
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solana_logger::setup();
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@ -16,7 +16,7 @@ num-derive = "0.3"
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num-traits = "0.2"
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solana-runtime = { path = "../../runtime", version = "1.5.0" }
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solana-sdk = { path = "../../sdk", version = "1.5.0" }
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solana_rbpf = "=0.1.31"
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solana_rbpf = "=0.1.32"
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thiserror = "1.0"
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[dev-dependencies]
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@ -14,7 +14,7 @@ use num_derive::{FromPrimitive, ToPrimitive};
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use solana_rbpf::{
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error::{EbpfError, UserDefinedError},
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memory_region::MemoryRegion,
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vm::{EbpfVm, Executable, InstructionMeter},
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vm::{Config, EbpfVm, Executable, InstructionMeter},
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};
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use solana_runtime::{
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feature_set::compute_budget_balancing,
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@ -116,7 +116,14 @@ pub fn create_vm<'a>(
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parameter_accounts: &'a [KeyedAccount<'a>],
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invoke_context: &'a mut dyn InvokeContext,
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) -> Result<(EbpfVm<'a, BPFError>, MemoryRegion), EbpfError<BPFError>> {
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let mut vm = EbpfVm::new(executable)?;
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let compute_budget = invoke_context.get_compute_budget();
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let mut vm = EbpfVm::new(
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executable,
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Config {
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max_call_depth: compute_budget.max_call_depth,
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stack_frame_size: compute_budget.stack_frame_size,
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},
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)?;
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let heap_region =
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syscalls::register_syscalls(loader_id, &mut vm, parameter_accounts, invoke_context)?;
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Ok((vm, heap_region))
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@ -404,7 +411,7 @@ mod tests {
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let input = &mut [0x00];
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let executable = EbpfVm::create_executable_from_text_bytes(program, None).unwrap();
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let mut vm = EbpfVm::<BPFError>::new(executable.as_ref()).unwrap();
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let mut vm = EbpfVm::<BPFError>::new(executable.as_ref(), Config::default()).unwrap();
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let instruction_meter = TestInstructionMeter { remaining: 10 };
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vm.execute_program_metered(input, &[], &[], instruction_meter)
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.unwrap();
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@ -603,6 +610,8 @@ mod tests {
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max_invoke_depth: 2,
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sha256_base_cost: 85,
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sha256_byte_cost: 1,
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max_call_depth: 20,
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stack_frame_size: 4096,
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},
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Rc::new(RefCell::new(Executors::default())),
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None,
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@ -53,6 +53,10 @@ pub mod max_invoke_depth_4 {
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solana_sdk::declare_id!("EdM9xggY5y7AhNMskRG8NgGMnaP4JFNsWi8ZZtyT1af5");
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}
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pub mod max_program_call_depth_64 {
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solana_sdk::declare_id!("YCKSgA6XmjtkQrHBQjpyNrX6EMhJPcYcLWMVgWn36iv");
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}
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lazy_static! {
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/// Map of feature identifiers to user-visible description
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pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
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@ -68,6 +72,7 @@ lazy_static! {
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(no_overflow_rent_distribution::id(), "no overflow rent distribution"),
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(ristretto_mul_syscall_enabled::id(), "ristretto multiply syscall"),
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(max_invoke_depth_4::id(), "max invoke call depth 4"),
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(max_program_call_depth_64::id(), "max program call depth 64")
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/*************** ADD NEW FEATURES HERE ***************/
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]
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.iter()
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@ -1,4 +1,6 @@
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use crate::feature_set::{compute_budget_balancing, max_invoke_depth_4, FeatureSet};
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use crate::feature_set::{
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compute_budget_balancing, max_invoke_depth_4, max_program_call_depth_64, FeatureSet,
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};
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use solana_sdk::{
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account::{Account, KeyedAccount},
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instruction::{CompiledInstruction, Instruction, InstructionError},
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@ -92,6 +94,10 @@ pub struct ComputeBudget {
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pub sha256_base_cost: u64,
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/// Incremental number of units consumed by sha256 (based on bytes)
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pub sha256_byte_cost: u64,
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/// Maximum BPF to BPF call depth
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pub max_call_depth: usize,
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/// Size of a stack frame in bytes, must match the size specified in the LLVM BPF backend
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pub stack_frame_size: usize,
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}
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impl Default for ComputeBudget {
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fn default() -> Self {
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@ -111,6 +117,8 @@ impl ComputeBudget {
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max_invoke_depth: 1,
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sha256_base_cost: 85,
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sha256_byte_cost: 1,
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max_call_depth: 20,
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stack_frame_size: 4_096,
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};
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if feature_set.is_active(&compute_budget_balancing::id()) {
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@ -127,9 +135,15 @@ impl ComputeBudget {
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compute_budget = ComputeBudget {
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max_invoke_depth: 4,
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..compute_budget
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}
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};
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}
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if feature_set.is_active(&max_program_call_depth_64::id()) {
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compute_budget = ComputeBudget {
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max_call_depth: 64,
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..compute_budget
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};
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}
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compute_budget
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}
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}
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