4277 lines
139 KiB
Rust
4277 lines
139 KiB
Rust
#[allow(deprecated)]
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use {
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crate::{alloc, BpfError},
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alloc::Alloc,
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solana_program_runtime::{
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ic_logger_msg, ic_msg,
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invoke_context::{ComputeMeter, InvokeContext},
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stable_log,
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timings::ExecuteTimings,
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},
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solana_rbpf::{
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aligned_memory::AlignedMemory,
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ebpf,
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error::EbpfError,
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memory_region::{AccessType, MemoryMapping},
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question_mark,
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vm::{EbpfVm, SyscallObject, SyscallRegistry},
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},
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solana_sdk::{
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account::{ReadableAccount, WritableAccount},
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account_info::AccountInfo,
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blake3, bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable,
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clock::Clock,
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entrypoint::{BPF_ALIGN_OF_U128, MAX_PERMITTED_DATA_INCREASE, SUCCESS},
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epoch_schedule::EpochSchedule,
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feature_set::{
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self, blake3_syscall_enabled, disable_fees_sysvar, do_support_realloc,
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fixed_memcpy_nonoverlapping_check, libsecp256k1_0_5_upgrade_enabled,
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prevent_calling_precompiles_as_programs, return_data_syscall_enabled,
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secp256k1_recover_syscall_enabled, sol_log_data_syscall_enabled,
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},
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hash::{Hasher, HASH_BYTES},
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instruction::{AccountMeta, Instruction, InstructionError},
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keccak, native_loader,
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precompiles::is_precompile,
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program::MAX_RETURN_DATA,
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program_stubs::is_nonoverlapping,
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pubkey::{Pubkey, PubkeyError, MAX_SEEDS, MAX_SEED_LEN},
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rent::Rent,
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secp256k1_recover::{
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Secp256k1RecoverError, SECP256K1_PUBLIC_KEY_LENGTH, SECP256K1_SIGNATURE_LENGTH,
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},
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sysvar::{self, fees::Fees, Sysvar, SysvarId},
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transaction_context::InstructionAccount,
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},
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std::{
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alloc::Layout,
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cell::{RefCell, RefMut},
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mem::{align_of, size_of},
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rc::Rc,
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slice::from_raw_parts_mut,
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str::{from_utf8, Utf8Error},
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},
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thiserror::Error as ThisError,
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};
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/// Maximum signers
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pub const MAX_SIGNERS: usize = 16;
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/// Error definitions
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#[derive(Debug, ThisError, PartialEq)]
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pub enum SyscallError {
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#[error("{0}: {1:?}")]
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InvalidString(Utf8Error, Vec<u8>),
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#[error("BPF program panicked")]
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Abort,
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#[error("BPF program Panicked in {0} at {1}:{2}")]
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Panic(String, u64, u64),
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#[error("Cannot borrow invoke context")]
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InvokeContextBorrowFailed,
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#[error("Malformed signer seed: {0}: {1:?}")]
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MalformedSignerSeed(Utf8Error, Vec<u8>),
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#[error("Could not create program address with signer seeds: {0}")]
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BadSeeds(PubkeyError),
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#[error("Program {0} not supported by inner instructions")]
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ProgramNotSupported(Pubkey),
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#[error("{0}")]
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InstructionError(InstructionError),
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#[error("Unaligned pointer")]
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UnalignedPointer,
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#[error("Too many signers")]
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TooManySigners,
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#[error("Instruction passed to inner instruction is too large ({0} > {1})")]
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InstructionTooLarge(usize, usize),
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#[error("Too many accounts passed to inner instruction")]
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TooManyAccounts,
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#[error("Overlapping copy")]
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CopyOverlapping,
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#[error("Return data too large ({0} > {1})")]
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ReturnDataTooLarge(u64, u64),
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}
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impl From<SyscallError> for EbpfError<BpfError> {
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fn from(error: SyscallError) -> Self {
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EbpfError::UserError(error.into())
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}
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}
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trait SyscallConsume {
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fn consume(&mut self, amount: u64) -> Result<(), EbpfError<BpfError>>;
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}
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impl SyscallConsume for Rc<RefCell<ComputeMeter>> {
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fn consume(&mut self, amount: u64) -> Result<(), EbpfError<BpfError>> {
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self.try_borrow_mut()
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.map_err(|_| SyscallError::InvokeContextBorrowFailed)?
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.consume(amount)
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.map_err(SyscallError::InstructionError)?;
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Ok(())
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}
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}
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/// Program heap allocators are intended to allocate/free from a given
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/// chunk of memory. The specific allocator implementation is
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/// selectable at build-time.
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/// Only one allocator is currently supported
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/// Simple bump allocator, never frees
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use crate::allocator_bump::BpfAllocator;
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pub fn register_syscalls(
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invoke_context: &mut InvokeContext,
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) -> Result<SyscallRegistry, EbpfError<BpfError>> {
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let mut syscall_registry = SyscallRegistry::default();
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syscall_registry.register_syscall_by_name(b"abort", SyscallAbort::call)?;
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syscall_registry.register_syscall_by_name(b"sol_panic_", SyscallPanic::call)?;
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syscall_registry.register_syscall_by_name(b"sol_log_", SyscallLog::call)?;
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syscall_registry.register_syscall_by_name(b"sol_log_64_", SyscallLogU64::call)?;
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syscall_registry
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.register_syscall_by_name(b"sol_log_compute_units_", SyscallLogBpfComputeUnits::call)?;
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syscall_registry.register_syscall_by_name(b"sol_log_pubkey", SyscallLogPubkey::call)?;
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syscall_registry.register_syscall_by_name(
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b"sol_create_program_address",
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SyscallCreateProgramAddress::call,
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)?;
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syscall_registry.register_syscall_by_name(
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b"sol_try_find_program_address",
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SyscallTryFindProgramAddress::call,
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)?;
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syscall_registry.register_syscall_by_name(b"sol_sha256", SyscallSha256::call)?;
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syscall_registry.register_syscall_by_name(b"sol_keccak256", SyscallKeccak256::call)?;
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if invoke_context
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.feature_set
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.is_active(&secp256k1_recover_syscall_enabled::id())
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{
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syscall_registry
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.register_syscall_by_name(b"sol_secp256k1_recover", SyscallSecp256k1Recover::call)?;
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}
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if invoke_context
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.feature_set
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.is_active(&blake3_syscall_enabled::id())
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{
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syscall_registry.register_syscall_by_name(b"sol_blake3", SyscallBlake3::call)?;
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}
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if invoke_context
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.feature_set
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.is_active(&feature_set::zk_token_sdk_enabled::id())
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{
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syscall_registry
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.register_syscall_by_name(b"sol_zk_token_elgamal_op", SyscallZkTokenElgamalOp::call)?;
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syscall_registry.register_syscall_by_name(
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b"sol_zk_token_elgamal_op_with_lo_hi",
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SyscallZkTokenElgamalOpWithLoHi::call,
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)?;
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syscall_registry.register_syscall_by_name(
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b"sol_zk_token_elgamal_op_with_scalar",
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SyscallZkTokenElgamalOpWithScalar::call,
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)?;
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}
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syscall_registry
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.register_syscall_by_name(b"sol_get_clock_sysvar", SyscallGetClockSysvar::call)?;
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syscall_registry.register_syscall_by_name(
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b"sol_get_epoch_schedule_sysvar",
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SyscallGetEpochScheduleSysvar::call,
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)?;
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if !invoke_context
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.feature_set
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.is_active(&disable_fees_sysvar::id())
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{
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syscall_registry
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.register_syscall_by_name(b"sol_get_fees_sysvar", SyscallGetFeesSysvar::call)?;
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}
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syscall_registry
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.register_syscall_by_name(b"sol_get_rent_sysvar", SyscallGetRentSysvar::call)?;
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syscall_registry.register_syscall_by_name(b"sol_memcpy_", SyscallMemcpy::call)?;
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syscall_registry.register_syscall_by_name(b"sol_memmove_", SyscallMemmove::call)?;
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syscall_registry.register_syscall_by_name(b"sol_memcmp_", SyscallMemcmp::call)?;
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syscall_registry.register_syscall_by_name(b"sol_memset_", SyscallMemset::call)?;
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// Cross-program invocation syscalls
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syscall_registry
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.register_syscall_by_name(b"sol_invoke_signed_c", SyscallInvokeSignedC::call)?;
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syscall_registry
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.register_syscall_by_name(b"sol_invoke_signed_rust", SyscallInvokeSignedRust::call)?;
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// Memory allocator
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syscall_registry.register_syscall_by_name(b"sol_alloc_free_", SyscallAllocFree::call)?;
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// Return data
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if invoke_context
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.feature_set
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.is_active(&return_data_syscall_enabled::id())
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{
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syscall_registry
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.register_syscall_by_name(b"sol_set_return_data", SyscallSetReturnData::call)?;
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syscall_registry
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.register_syscall_by_name(b"sol_get_return_data", SyscallGetReturnData::call)?;
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}
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// Log data
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if invoke_context
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.feature_set
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.is_active(&sol_log_data_syscall_enabled::id())
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{
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syscall_registry.register_syscall_by_name(b"sol_log_data", SyscallLogData::call)?;
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}
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Ok(syscall_registry)
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}
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macro_rules! bind_feature_gated_syscall_context_object {
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($vm:expr, $is_feature_active:expr, $syscall_context_object:expr $(,)?) => {
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if $is_feature_active {
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match $vm.bind_syscall_context_object($syscall_context_object, None) {
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Err(EbpfError::SyscallNotRegistered(_)) | Ok(()) => {}
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Err(err) => {
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return Err(err);
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}
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}
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}
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};
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}
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pub fn bind_syscall_context_objects<'a, 'b>(
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vm: &mut EbpfVm<'a, BpfError, crate::ThisInstructionMeter>,
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invoke_context: &'a mut InvokeContext<'b>,
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heap: AlignedMemory,
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orig_data_lens: &'a [usize],
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) -> Result<(), EbpfError<BpfError>> {
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let is_blake3_syscall_active = invoke_context
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.feature_set
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.is_active(&blake3_syscall_enabled::id());
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let is_secp256k1_recover_syscall_active = invoke_context
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.feature_set
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.is_active(&secp256k1_recover_syscall_enabled::id());
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let is_fee_sysvar_via_syscall_active = !invoke_context
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.feature_set
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.is_active(&disable_fees_sysvar::id());
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let is_return_data_syscall_active = invoke_context
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.feature_set
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.is_active(&return_data_syscall_enabled::id());
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let is_sol_log_data_syscall_active = invoke_context
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.feature_set
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.is_active(&sol_log_data_syscall_enabled::id());
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let is_zk_token_sdk_enabled = invoke_context
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.feature_set
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.is_active(&feature_set::zk_token_sdk_enabled::id());
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let loader_id = invoke_context
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.transaction_context
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.get_loader_key()
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.map_err(SyscallError::InstructionError)?;
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let invoke_context = Rc::new(RefCell::new(invoke_context));
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// Syscall functions common across languages
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vm.bind_syscall_context_object(Box::new(SyscallAbort {}), None)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallPanic {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallLog {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallLogU64 {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallLogBpfComputeUnits {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallLogPubkey {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallCreateProgramAddress {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallTryFindProgramAddress {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallSha256 {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallKeccak256 {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallMemcpy {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallMemmove {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallMemcmp {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallMemset {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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bind_feature_gated_syscall_context_object!(
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vm,
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is_secp256k1_recover_syscall_active,
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Box::new(SyscallSecp256k1Recover {
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invoke_context: invoke_context.clone(),
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}),
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);
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bind_feature_gated_syscall_context_object!(
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vm,
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is_blake3_syscall_active,
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Box::new(SyscallBlake3 {
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invoke_context: invoke_context.clone(),
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}),
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);
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bind_feature_gated_syscall_context_object!(
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vm,
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is_zk_token_sdk_enabled,
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Box::new(SyscallZkTokenElgamalOp {
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invoke_context: invoke_context.clone(),
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}),
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);
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bind_feature_gated_syscall_context_object!(
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vm,
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is_zk_token_sdk_enabled,
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Box::new(SyscallZkTokenElgamalOpWithLoHi {
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invoke_context: invoke_context.clone(),
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}),
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);
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bind_feature_gated_syscall_context_object!(
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vm,
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is_zk_token_sdk_enabled,
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Box::new(SyscallZkTokenElgamalOpWithScalar {
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invoke_context: invoke_context.clone(),
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}),
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);
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vm.bind_syscall_context_object(
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Box::new(SyscallGetClockSysvar {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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vm.bind_syscall_context_object(
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Box::new(SyscallGetEpochScheduleSysvar {
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invoke_context: invoke_context.clone(),
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}),
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None,
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)?;
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|
bind_feature_gated_syscall_context_object!(
|
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vm,
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is_fee_sysvar_via_syscall_active,
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Box::new(SyscallGetFeesSysvar {
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invoke_context: invoke_context.clone(),
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}),
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);
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vm.bind_syscall_context_object(
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Box::new(SyscallGetRentSysvar {
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invoke_context: invoke_context.clone(),
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}),
|
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None,
|
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)?;
|
|
|
|
// Return data
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|
bind_feature_gated_syscall_context_object!(
|
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vm,
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is_return_data_syscall_active,
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Box::new(SyscallSetReturnData {
|
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invoke_context: invoke_context.clone(),
|
|
}),
|
|
);
|
|
|
|
bind_feature_gated_syscall_context_object!(
|
|
vm,
|
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is_return_data_syscall_active,
|
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Box::new(SyscallGetReturnData {
|
|
invoke_context: invoke_context.clone(),
|
|
}),
|
|
);
|
|
|
|
// sol_log_data
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|
bind_feature_gated_syscall_context_object!(
|
|
vm,
|
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is_sol_log_data_syscall_active,
|
|
Box::new(SyscallLogData {
|
|
invoke_context: invoke_context.clone(),
|
|
}),
|
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);
|
|
|
|
// Cross-program invocation syscalls
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|
vm.bind_syscall_context_object(
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Box::new(SyscallInvokeSignedC {
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|
invoke_context: invoke_context.clone(),
|
|
orig_data_lens,
|
|
}),
|
|
None,
|
|
)?;
|
|
vm.bind_syscall_context_object(
|
|
Box::new(SyscallInvokeSignedRust {
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|
invoke_context: invoke_context.clone(),
|
|
orig_data_lens,
|
|
}),
|
|
None,
|
|
)?;
|
|
|
|
// Memory allocator
|
|
vm.bind_syscall_context_object(
|
|
Box::new(SyscallAllocFree {
|
|
aligned: loader_id != bpf_loader_deprecated::id(),
|
|
allocator: BpfAllocator::new(heap, ebpf::MM_HEAP_START),
|
|
}),
|
|
None,
|
|
)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn translate(
|
|
memory_mapping: &MemoryMapping,
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|
access_type: AccessType,
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|
vm_addr: u64,
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|
len: u64,
|
|
) -> Result<u64, EbpfError<BpfError>> {
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|
memory_mapping.map::<BpfError>(access_type, vm_addr, len)
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|
}
|
|
|
|
fn translate_type_inner<'a, T>(
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memory_mapping: &MemoryMapping,
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|
access_type: AccessType,
|
|
vm_addr: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a mut T, EbpfError<BpfError>> {
|
|
let host_addr = translate(memory_mapping, access_type, vm_addr, size_of::<T>() as u64)?;
|
|
|
|
if loader_id != &bpf_loader_deprecated::id()
|
|
&& (host_addr as *mut T).align_offset(align_of::<T>()) != 0
|
|
{
|
|
return Err(SyscallError::UnalignedPointer.into());
|
|
}
|
|
Ok(unsafe { &mut *(host_addr as *mut T) })
|
|
}
|
|
fn translate_type_mut<'a, T>(
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|
memory_mapping: &MemoryMapping,
|
|
vm_addr: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a mut T, EbpfError<BpfError>> {
|
|
translate_type_inner::<T>(memory_mapping, AccessType::Store, vm_addr, loader_id)
|
|
}
|
|
fn translate_type<'a, T>(
|
|
memory_mapping: &MemoryMapping,
|
|
vm_addr: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a T, EbpfError<BpfError>> {
|
|
translate_type_inner::<T>(memory_mapping, AccessType::Load, vm_addr, loader_id)
|
|
.map(|value| &*value)
|
|
}
|
|
|
|
fn translate_slice_inner<'a, T>(
|
|
memory_mapping: &MemoryMapping,
|
|
access_type: AccessType,
|
|
vm_addr: u64,
|
|
len: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a mut [T], EbpfError<BpfError>> {
|
|
if len == 0 {
|
|
return Ok(&mut []);
|
|
}
|
|
|
|
let host_addr = translate(
|
|
memory_mapping,
|
|
access_type,
|
|
vm_addr,
|
|
len.saturating_mul(size_of::<T>() as u64),
|
|
)?;
|
|
|
|
if loader_id != &bpf_loader_deprecated::id()
|
|
&& (host_addr as *mut T).align_offset(align_of::<T>()) != 0
|
|
{
|
|
return Err(SyscallError::UnalignedPointer.into());
|
|
}
|
|
Ok(unsafe { from_raw_parts_mut(host_addr as *mut T, len as usize) })
|
|
}
|
|
fn translate_slice_mut<'a, T>(
|
|
memory_mapping: &MemoryMapping,
|
|
vm_addr: u64,
|
|
len: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a mut [T], EbpfError<BpfError>> {
|
|
translate_slice_inner::<T>(memory_mapping, AccessType::Store, vm_addr, len, loader_id)
|
|
}
|
|
fn translate_slice<'a, T>(
|
|
memory_mapping: &MemoryMapping,
|
|
vm_addr: u64,
|
|
len: u64,
|
|
loader_id: &Pubkey,
|
|
) -> Result<&'a [T], EbpfError<BpfError>> {
|
|
translate_slice_inner::<T>(memory_mapping, AccessType::Load, vm_addr, len, loader_id)
|
|
.map(|value| &*value)
|
|
}
|
|
|
|
/// Take a virtual pointer to a string (points to BPF VM memory space), translate it
|
|
/// pass it to a user-defined work function
|
|
fn translate_string_and_do(
|
|
memory_mapping: &MemoryMapping,
|
|
addr: u64,
|
|
len: u64,
|
|
loader_id: &Pubkey,
|
|
work: &mut dyn FnMut(&str) -> Result<u64, EbpfError<BpfError>>,
|
|
) -> Result<u64, EbpfError<BpfError>> {
|
|
let buf = translate_slice::<u8>(memory_mapping, addr, len, loader_id)?;
|
|
let i = match buf.iter().position(|byte| *byte == 0) {
|
|
Some(i) => i,
|
|
None => len as usize,
|
|
};
|
|
match from_utf8(&buf[..i]) {
|
|
Ok(message) => work(message),
|
|
Err(err) => Err(SyscallError::InvalidString(err, buf[..i].to_vec()).into()),
|
|
}
|
|
}
|
|
|
|
/// Abort syscall functions, called when the BPF program calls `abort()`
|
|
/// LLVM will insert calls to `abort()` if it detects an untenable situation,
|
|
/// `abort()` is not intended to be called explicitly by the program.
|
|
/// Causes the BPF program to be halted immediately
|
|
pub struct SyscallAbort {}
|
|
impl SyscallObject<BpfError> for SyscallAbort {
|
|
fn call(
|
|
&mut self,
|
|
_arg1: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
_memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
*result = Err(SyscallError::Abort.into());
|
|
}
|
|
}
|
|
|
|
/// Panic syscall function, called when the BPF program calls 'sol_panic_()`
|
|
/// Causes the BPF program to be halted immediately
|
|
/// Log a user's info message
|
|
pub struct SyscallPanic<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallPanic<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
file: u64,
|
|
len: u64,
|
|
line: u64,
|
|
column: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
question_mark!(invoke_context.get_compute_meter().consume(len), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
*result = translate_string_and_do(
|
|
memory_mapping,
|
|
file,
|
|
len,
|
|
&loader_id,
|
|
&mut |string: &str| Err(SyscallError::Panic(string.to_string(), line, column).into()),
|
|
);
|
|
}
|
|
}
|
|
|
|
/// Log a user's info message
|
|
pub struct SyscallLog<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallLog<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
addr: u64,
|
|
len: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
question_mark!(invoke_context.get_compute_meter().consume(len), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
question_mark!(
|
|
translate_string_and_do(
|
|
memory_mapping,
|
|
addr,
|
|
len,
|
|
&loader_id,
|
|
&mut |string: &str| {
|
|
stable_log::program_log(&invoke_context.get_log_collector(), string);
|
|
Ok(0)
|
|
},
|
|
),
|
|
result
|
|
);
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// Log 5 64-bit values
|
|
pub struct SyscallLogU64<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallLogU64<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
arg1: u64,
|
|
arg2: u64,
|
|
arg3: u64,
|
|
arg4: u64,
|
|
arg5: u64,
|
|
_memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().log_64_units;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
stable_log::program_log(
|
|
&invoke_context.get_log_collector(),
|
|
&format!(
|
|
"{:#x}, {:#x}, {:#x}, {:#x}, {:#x}",
|
|
arg1, arg2, arg3, arg4, arg5
|
|
),
|
|
);
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// Log current compute consumption
|
|
pub struct SyscallLogBpfComputeUnits<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallLogBpfComputeUnits<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
_arg1: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
_memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
question_mark!(invoke_context.get_compute_meter().consume(0), result);
|
|
|
|
ic_logger_msg!(
|
|
invoke_context.get_log_collector(),
|
|
"Program consumption: {} units remaining",
|
|
invoke_context.get_compute_meter().borrow().get_remaining()
|
|
);
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// Log 5 64-bit values
|
|
pub struct SyscallLogPubkey<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallLogPubkey<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
pubkey_addr: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().log_pubkey_units;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let pubkey = question_mark!(
|
|
translate_type::<Pubkey>(memory_mapping, pubkey_addr, &loader_id),
|
|
result
|
|
);
|
|
stable_log::program_log(&invoke_context.get_log_collector(), &pubkey.to_string());
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// Dynamic memory allocation syscall called when the BPF program calls
|
|
/// `sol_alloc_free_()`. The allocator is expected to allocate/free
|
|
/// from/to a given chunk of memory and enforce size restrictions. The
|
|
/// memory chunk is given to the allocator during allocator creation and
|
|
/// information about that memory (start address and size) is passed
|
|
/// to the VM to use for enforcement.
|
|
pub struct SyscallAllocFree {
|
|
aligned: bool,
|
|
allocator: BpfAllocator,
|
|
}
|
|
impl SyscallObject<BpfError> for SyscallAllocFree {
|
|
fn call(
|
|
&mut self,
|
|
size: u64,
|
|
free_addr: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
_memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let align = if self.aligned {
|
|
BPF_ALIGN_OF_U128
|
|
} else {
|
|
align_of::<u8>()
|
|
};
|
|
let layout = match Layout::from_size_align(size as usize, align) {
|
|
Ok(layout) => layout,
|
|
Err(_) => {
|
|
*result = Ok(0);
|
|
return;
|
|
}
|
|
};
|
|
*result = if free_addr == 0 {
|
|
match self.allocator.alloc(layout) {
|
|
Ok(addr) => Ok(addr as u64),
|
|
Err(_) => Ok(0),
|
|
}
|
|
} else {
|
|
self.allocator.dealloc(free_addr, layout);
|
|
Ok(0)
|
|
};
|
|
}
|
|
}
|
|
|
|
fn translate_and_check_program_address_inputs<'a>(
|
|
seeds_addr: u64,
|
|
seeds_len: u64,
|
|
program_id_addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
loader_id: &Pubkey,
|
|
) -> Result<(Vec<&'a [u8]>, &'a Pubkey), EbpfError<BpfError>> {
|
|
let untranslated_seeds =
|
|
translate_slice::<&[&u8]>(memory_mapping, seeds_addr, seeds_len, loader_id)?;
|
|
if untranslated_seeds.len() > MAX_SEEDS {
|
|
return Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into());
|
|
}
|
|
let seeds = untranslated_seeds
|
|
.iter()
|
|
.map(|untranslated_seed| {
|
|
if untranslated_seed.len() > MAX_SEED_LEN {
|
|
return Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into());
|
|
}
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
untranslated_seed.as_ptr() as *const _ as u64,
|
|
untranslated_seed.len() as u64,
|
|
loader_id,
|
|
)
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?;
|
|
let program_id = translate_type::<Pubkey>(memory_mapping, program_id_addr, loader_id)?;
|
|
Ok((seeds, program_id))
|
|
}
|
|
|
|
/// Create a program address
|
|
struct SyscallCreateProgramAddress<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallCreateProgramAddress<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
seeds_addr: u64,
|
|
seeds_len: u64,
|
|
program_id_addr: u64,
|
|
address_addr: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context
|
|
.get_compute_budget()
|
|
.create_program_address_units;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let (seeds, program_id) = question_mark!(
|
|
translate_and_check_program_address_inputs(
|
|
seeds_addr,
|
|
seeds_len,
|
|
program_id_addr,
|
|
memory_mapping,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
|
|
let new_address = match Pubkey::create_program_address(&seeds, program_id) {
|
|
Ok(address) => address,
|
|
Err(_) => {
|
|
*result = Ok(1);
|
|
return;
|
|
}
|
|
};
|
|
let address = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, address_addr, 32, &loader_id),
|
|
result
|
|
);
|
|
address.copy_from_slice(new_address.as_ref());
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// Create a program address
|
|
struct SyscallTryFindProgramAddress<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallTryFindProgramAddress<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
seeds_addr: u64,
|
|
seeds_len: u64,
|
|
program_id_addr: u64,
|
|
address_addr: u64,
|
|
bump_seed_addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context
|
|
.get_compute_budget()
|
|
.create_program_address_units;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let (seeds, program_id) = question_mark!(
|
|
translate_and_check_program_address_inputs(
|
|
seeds_addr,
|
|
seeds_len,
|
|
program_id_addr,
|
|
memory_mapping,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
|
|
let mut bump_seed = [std::u8::MAX];
|
|
for _ in 0..std::u8::MAX {
|
|
{
|
|
let mut seeds_with_bump = seeds.to_vec();
|
|
seeds_with_bump.push(&bump_seed);
|
|
|
|
if let Ok(new_address) =
|
|
Pubkey::create_program_address(&seeds_with_bump, program_id)
|
|
{
|
|
let bump_seed_ref = question_mark!(
|
|
translate_type_mut::<u8>(memory_mapping, bump_seed_addr, &loader_id),
|
|
result
|
|
);
|
|
let address = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, address_addr, 32, &loader_id),
|
|
result
|
|
);
|
|
*bump_seed_ref = bump_seed[0];
|
|
address.copy_from_slice(new_address.as_ref());
|
|
*result = Ok(0);
|
|
return;
|
|
}
|
|
}
|
|
bump_seed[0] -= 1;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
}
|
|
*result = Ok(1);
|
|
}
|
|
}
|
|
|
|
/// SHA256
|
|
pub struct SyscallSha256<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallSha256<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
vals_addr: u64,
|
|
vals_len: u64,
|
|
result_addr: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let base_cost = invoke_context.get_compute_budget().sha256_base_cost;
|
|
question_mark!(
|
|
invoke_context.get_compute_meter().consume(base_cost),
|
|
result
|
|
);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let hash_result = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, result_addr, HASH_BYTES as u64, &loader_id),
|
|
result
|
|
);
|
|
let mut hasher = Hasher::default();
|
|
if vals_len > 0 {
|
|
let vals = question_mark!(
|
|
translate_slice::<&[u8]>(memory_mapping, vals_addr, vals_len, &loader_id),
|
|
result
|
|
);
|
|
for val in vals.iter() {
|
|
let bytes = question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
val.as_ptr() as u64,
|
|
val.len() as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let byte_cost = invoke_context.get_compute_budget().sha256_byte_cost;
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(byte_cost * (val.len() as u64 / 2)),
|
|
result
|
|
);
|
|
hasher.hash(bytes);
|
|
}
|
|
}
|
|
hash_result.copy_from_slice(&hasher.result().to_bytes());
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
fn get_sysvar<T: std::fmt::Debug + Sysvar + SysvarId>(
|
|
id: &Pubkey,
|
|
var_addr: u64,
|
|
loader_id: &Pubkey,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<u64, EbpfError<BpfError>> {
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(invoke_context.get_compute_budget().sysvar_base_cost + size_of::<T>() as u64)?;
|
|
let var = translate_type_mut::<T>(memory_mapping, var_addr, loader_id)?;
|
|
|
|
*var = invoke_context
|
|
.get_sysvar::<T>(id)
|
|
.map_err(SyscallError::InstructionError)?;
|
|
|
|
Ok(SUCCESS)
|
|
}
|
|
|
|
/// Get a Clock sysvar
|
|
struct SyscallGetClockSysvar<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallGetClockSysvar<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
var_addr: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let mut invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
*result = get_sysvar::<Clock>(
|
|
&sysvar::clock::id(),
|
|
var_addr,
|
|
&loader_id,
|
|
memory_mapping,
|
|
&mut invoke_context,
|
|
);
|
|
}
|
|
}
|
|
/// Get a EpochSchedule sysvar
|
|
struct SyscallGetEpochScheduleSysvar<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallGetEpochScheduleSysvar<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
var_addr: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let mut invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
*result = get_sysvar::<EpochSchedule>(
|
|
&sysvar::epoch_schedule::id(),
|
|
var_addr,
|
|
&loader_id,
|
|
memory_mapping,
|
|
&mut invoke_context,
|
|
);
|
|
}
|
|
}
|
|
/// Get a Fees sysvar
|
|
struct SyscallGetFeesSysvar<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
#[allow(deprecated)]
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallGetFeesSysvar<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
var_addr: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let mut invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
*result = get_sysvar::<Fees>(
|
|
&sysvar::fees::id(),
|
|
var_addr,
|
|
&loader_id,
|
|
memory_mapping,
|
|
&mut invoke_context,
|
|
);
|
|
}
|
|
}
|
|
/// Get a Rent sysvar
|
|
struct SyscallGetRentSysvar<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallGetRentSysvar<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
var_addr: u64,
|
|
_arg2: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let mut invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
*result = get_sysvar::<Rent>(
|
|
&sysvar::rent::id(),
|
|
var_addr,
|
|
&loader_id,
|
|
memory_mapping,
|
|
&mut invoke_context,
|
|
);
|
|
}
|
|
}
|
|
|
|
// Keccak256
|
|
pub struct SyscallKeccak256<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallKeccak256<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
vals_addr: u64,
|
|
vals_len: u64,
|
|
result_addr: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let base_cost = invoke_context.get_compute_budget().sha256_base_cost;
|
|
question_mark!(
|
|
invoke_context.get_compute_meter().consume(base_cost),
|
|
result
|
|
);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let hash_result = question_mark!(
|
|
translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
result_addr,
|
|
keccak::HASH_BYTES as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let mut hasher = keccak::Hasher::default();
|
|
if vals_len > 0 {
|
|
let vals = question_mark!(
|
|
translate_slice::<&[u8]>(memory_mapping, vals_addr, vals_len, &loader_id),
|
|
result
|
|
);
|
|
for val in vals.iter() {
|
|
let bytes = question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
val.as_ptr() as u64,
|
|
val.len() as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let byte_cost = invoke_context.get_compute_budget().sha256_byte_cost;
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(byte_cost * (val.len() as u64 / 2)),
|
|
result
|
|
);
|
|
hasher.hash(bytes);
|
|
}
|
|
}
|
|
hash_result.copy_from_slice(&hasher.result().to_bytes());
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// This function is incorrect due to arithmetic overflow and only exists for
|
|
/// backwards compatibility. Instead use program_stubs::is_nonoverlapping.
|
|
fn check_overlapping_do_not_use(src_addr: u64, dst_addr: u64, n: u64) -> bool {
|
|
(src_addr <= dst_addr && src_addr + n > dst_addr)
|
|
|| (dst_addr <= src_addr && dst_addr + n > src_addr)
|
|
}
|
|
|
|
/// memcpy
|
|
pub struct SyscallMemcpy<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallMemcpy<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
dst_addr: u64,
|
|
src_addr: u64,
|
|
n: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let use_fixed_nonoverlapping_check = invoke_context
|
|
.feature_set
|
|
.is_active(&fixed_memcpy_nonoverlapping_check::id());
|
|
|
|
#[allow(clippy::collapsible_else_if)]
|
|
if use_fixed_nonoverlapping_check {
|
|
if !is_nonoverlapping(src_addr, dst_addr, n) {
|
|
*result = Err(SyscallError::CopyOverlapping.into());
|
|
return;
|
|
}
|
|
} else {
|
|
if check_overlapping_do_not_use(src_addr, dst_addr, n) {
|
|
*result = Err(SyscallError::CopyOverlapping.into());
|
|
return;
|
|
}
|
|
}
|
|
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().cpi_bytes_per_unit;
|
|
question_mark!(invoke_context.get_compute_meter().consume(n / cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let dst = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, dst_addr, n, &loader_id),
|
|
result
|
|
);
|
|
let src = question_mark!(
|
|
translate_slice::<u8>(memory_mapping, src_addr, n, &loader_id),
|
|
result
|
|
);
|
|
unsafe {
|
|
std::ptr::copy_nonoverlapping(src.as_ptr(), dst.as_mut_ptr(), n as usize);
|
|
}
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
/// memmove
|
|
pub struct SyscallMemmove<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallMemmove<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
dst_addr: u64,
|
|
src_addr: u64,
|
|
n: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().cpi_bytes_per_unit;
|
|
question_mark!(invoke_context.get_compute_meter().consume(n / cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let dst = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, dst_addr, n, &loader_id),
|
|
result
|
|
);
|
|
let src = question_mark!(
|
|
translate_slice::<u8>(memory_mapping, src_addr, n, &loader_id),
|
|
result
|
|
);
|
|
unsafe {
|
|
std::ptr::copy(src.as_ptr(), dst.as_mut_ptr(), n as usize);
|
|
}
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
/// memcmp
|
|
pub struct SyscallMemcmp<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallMemcmp<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
s1_addr: u64,
|
|
s2_addr: u64,
|
|
n: u64,
|
|
cmp_result_addr: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().cpi_bytes_per_unit;
|
|
question_mark!(invoke_context.get_compute_meter().consume(n / cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let s1 = question_mark!(
|
|
translate_slice::<u8>(memory_mapping, s1_addr, n, &loader_id),
|
|
result
|
|
);
|
|
let s2 = question_mark!(
|
|
translate_slice::<u8>(memory_mapping, s2_addr, n, &loader_id),
|
|
result
|
|
);
|
|
let cmp_result = question_mark!(
|
|
translate_type_mut::<i32>(memory_mapping, cmp_result_addr, &loader_id),
|
|
result
|
|
);
|
|
let mut i = 0;
|
|
while i < n as usize {
|
|
let a = s1[i];
|
|
let b = s2[i];
|
|
if a != b {
|
|
*cmp_result = a as i32 - b as i32;
|
|
*result = Ok(0);
|
|
return;
|
|
}
|
|
i += 1;
|
|
}
|
|
*cmp_result = 0;
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
/// memset
|
|
pub struct SyscallMemset<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallMemset<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
s_addr: u64,
|
|
c: u64,
|
|
n: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().cpi_bytes_per_unit;
|
|
question_mark!(invoke_context.get_compute_meter().consume(n / cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let s = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, s_addr, n, &loader_id),
|
|
result
|
|
);
|
|
for val in s.iter_mut().take(n as usize) {
|
|
*val = c as u8;
|
|
}
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
/// secp256k1_recover
|
|
pub struct SyscallSecp256k1Recover<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallSecp256k1Recover<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
hash_addr: u64,
|
|
recovery_id_val: u64,
|
|
signature_addr: u64,
|
|
result_addr: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().secp256k1_recover_cost;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let hash = question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
hash_addr,
|
|
keccak::HASH_BYTES as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let signature = question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
signature_addr,
|
|
SECP256K1_SIGNATURE_LENGTH as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let secp256k1_recover_result = question_mark!(
|
|
translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
result_addr,
|
|
SECP256K1_PUBLIC_KEY_LENGTH as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
|
|
let message = match libsecp256k1::Message::parse_slice(hash) {
|
|
Ok(msg) => msg,
|
|
Err(_) => {
|
|
*result = Ok(Secp256k1RecoverError::InvalidHash.into());
|
|
return;
|
|
}
|
|
};
|
|
let recovery_id = match libsecp256k1::RecoveryId::parse(recovery_id_val as u8) {
|
|
Ok(id) => id,
|
|
Err(_) => {
|
|
*result = Ok(Secp256k1RecoverError::InvalidRecoveryId.into());
|
|
return;
|
|
}
|
|
};
|
|
let sig_parse_result = if invoke_context
|
|
.feature_set
|
|
.is_active(&libsecp256k1_0_5_upgrade_enabled::id())
|
|
{
|
|
libsecp256k1::Signature::parse_standard_slice(signature)
|
|
} else {
|
|
libsecp256k1::Signature::parse_overflowing_slice(signature)
|
|
};
|
|
|
|
let signature = match sig_parse_result {
|
|
Ok(sig) => sig,
|
|
Err(_) => {
|
|
*result = Ok(Secp256k1RecoverError::InvalidSignature.into());
|
|
return;
|
|
}
|
|
};
|
|
|
|
let public_key = match libsecp256k1::recover(&message, &signature, &recovery_id) {
|
|
Ok(key) => key.serialize(),
|
|
Err(_) => {
|
|
*result = Ok(Secp256k1RecoverError::InvalidSignature.into());
|
|
return;
|
|
}
|
|
};
|
|
|
|
secp256k1_recover_result.copy_from_slice(&public_key[1..65]);
|
|
*result = Ok(SUCCESS);
|
|
}
|
|
}
|
|
|
|
pub struct SyscallZkTokenElgamalOp<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallZkTokenElgamalOp<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
op: u64,
|
|
ct_0_addr: u64,
|
|
ct_1_addr: u64,
|
|
ct_result_addr: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
use solana_zk_token_sdk::zk_token_elgamal::{ops, pod};
|
|
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().zk_token_elgamal_op_cost;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let ct_0 = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_0_addr, &loader_id),
|
|
result
|
|
);
|
|
let ct_1 = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_1_addr, &loader_id),
|
|
result
|
|
);
|
|
|
|
if let Some(ct_result) = match op {
|
|
ops::OP_ADD => ops::add(ct_0, ct_1),
|
|
ops::OP_SUB => ops::subtract(ct_0, ct_1),
|
|
_ => None,
|
|
} {
|
|
*question_mark!(
|
|
translate_type_mut::<pod::ElGamalCiphertext>(
|
|
memory_mapping,
|
|
ct_result_addr,
|
|
&loader_id,
|
|
),
|
|
result
|
|
) = ct_result;
|
|
*result = Ok(0);
|
|
} else {
|
|
*result = Ok(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct SyscallZkTokenElgamalOpWithLoHi<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallZkTokenElgamalOpWithLoHi<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
op: u64,
|
|
ct_0_addr: u64,
|
|
ct_1_lo_addr: u64,
|
|
ct_1_hi_addr: u64,
|
|
ct_result_addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
use solana_zk_token_sdk::zk_token_elgamal::{ops, pod};
|
|
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().zk_token_elgamal_op_cost;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let ct_0 = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_0_addr, &loader_id),
|
|
result
|
|
);
|
|
let ct_1_lo = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_1_lo_addr, &loader_id),
|
|
result
|
|
);
|
|
let ct_1_hi = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_1_hi_addr, &loader_id),
|
|
result
|
|
);
|
|
|
|
if let Some(ct_result) = match op {
|
|
ops::OP_ADD => ops::add_with_lo_hi(ct_0, ct_1_lo, ct_1_hi),
|
|
ops::OP_SUB => ops::subtract_with_lo_hi(ct_0, ct_1_lo, ct_1_hi),
|
|
_ => None,
|
|
} {
|
|
*question_mark!(
|
|
translate_type_mut::<pod::ElGamalCiphertext>(
|
|
memory_mapping,
|
|
ct_result_addr,
|
|
&loader_id,
|
|
),
|
|
result
|
|
) = ct_result;
|
|
*result = Ok(0);
|
|
} else {
|
|
*result = Ok(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct SyscallZkTokenElgamalOpWithScalar<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallZkTokenElgamalOpWithScalar<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
op: u64,
|
|
ct_addr: u64,
|
|
scalar: u64,
|
|
ct_result_addr: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
use solana_zk_token_sdk::zk_token_elgamal::{ops, pod};
|
|
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let cost = invoke_context.get_compute_budget().zk_token_elgamal_op_cost;
|
|
question_mark!(invoke_context.get_compute_meter().consume(cost), result);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let ct = question_mark!(
|
|
translate_type::<pod::ElGamalCiphertext>(memory_mapping, ct_addr, &loader_id),
|
|
result
|
|
);
|
|
|
|
if let Some(ct_result) = match op {
|
|
ops::OP_ADD => ops::add_to(ct, scalar),
|
|
ops::OP_SUB => ops::subtract_from(ct, scalar),
|
|
_ => None,
|
|
} {
|
|
*question_mark!(
|
|
translate_type_mut::<pod::ElGamalCiphertext>(
|
|
memory_mapping,
|
|
ct_result_addr,
|
|
&loader_id,
|
|
),
|
|
result
|
|
) = ct_result;
|
|
*result = Ok(0);
|
|
} else {
|
|
*result = Ok(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Blake3
|
|
pub struct SyscallBlake3<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallBlake3<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
vals_addr: u64,
|
|
vals_len: u64,
|
|
result_addr: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let base_cost = invoke_context.get_compute_budget().sha256_base_cost;
|
|
question_mark!(
|
|
invoke_context.get_compute_meter().consume(base_cost),
|
|
result
|
|
);
|
|
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
let hash_result = question_mark!(
|
|
translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
result_addr,
|
|
blake3::HASH_BYTES as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let mut hasher = blake3::Hasher::default();
|
|
if vals_len > 0 {
|
|
let vals = question_mark!(
|
|
translate_slice::<&[u8]>(memory_mapping, vals_addr, vals_len, &loader_id),
|
|
result
|
|
);
|
|
for val in vals.iter() {
|
|
let bytes = question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
val.as_ptr() as u64,
|
|
val.len() as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
);
|
|
let byte_cost = invoke_context.get_compute_budget().sha256_byte_cost;
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(byte_cost * (val.len() as u64 / 2)),
|
|
result
|
|
);
|
|
hasher.hash(bytes);
|
|
}
|
|
}
|
|
hash_result.copy_from_slice(&hasher.result().to_bytes());
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
// Cross-program invocation syscalls
|
|
|
|
struct CallerAccount<'a> {
|
|
lamports: &'a mut u64,
|
|
owner: &'a mut Pubkey,
|
|
original_data_len: usize,
|
|
data: &'a mut [u8],
|
|
vm_data_addr: u64,
|
|
ref_to_len_in_vm: &'a mut u64,
|
|
serialized_len_ptr: &'a mut u64,
|
|
executable: bool,
|
|
rent_epoch: u64,
|
|
}
|
|
type TranslatedAccounts<'a> = Vec<(usize, Option<CallerAccount<'a>>)>;
|
|
|
|
/// Implemented by language specific data structure translators
|
|
trait SyscallInvokeSigned<'a, 'b> {
|
|
fn get_context_mut(&self) -> Result<RefMut<&'a mut InvokeContext<'b>>, EbpfError<BpfError>>;
|
|
fn translate_instruction(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<Instruction, EbpfError<BpfError>>;
|
|
fn translate_accounts<'c>(
|
|
&'c self,
|
|
loader_id: &Pubkey,
|
|
instruction_accounts: &[InstructionAccount],
|
|
program_indices: &[usize],
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<TranslatedAccounts<'c>, EbpfError<BpfError>>;
|
|
fn translate_signers(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
program_id: &Pubkey,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
) -> Result<Vec<Pubkey>, EbpfError<BpfError>>;
|
|
}
|
|
|
|
/// Cross-program invocation called from Rust
|
|
pub struct SyscallInvokeSignedRust<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
orig_data_lens: &'a [usize],
|
|
}
|
|
impl<'a, 'b> SyscallInvokeSigned<'a, 'b> for SyscallInvokeSignedRust<'a, 'b> {
|
|
fn get_context_mut(&self) -> Result<RefMut<&'a mut InvokeContext<'b>>, EbpfError<BpfError>> {
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed.into())
|
|
}
|
|
|
|
fn translate_instruction(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<Instruction, EbpfError<BpfError>> {
|
|
let ix = translate_type::<Instruction>(memory_mapping, addr, loader_id)?;
|
|
|
|
check_instruction_size(ix.accounts.len(), ix.data.len(), invoke_context)?;
|
|
|
|
let accounts = translate_slice::<AccountMeta>(
|
|
memory_mapping,
|
|
ix.accounts.as_ptr() as u64,
|
|
ix.accounts.len() as u64,
|
|
loader_id,
|
|
)?
|
|
.to_vec();
|
|
let data = translate_slice::<u8>(
|
|
memory_mapping,
|
|
ix.data.as_ptr() as u64,
|
|
ix.data.len() as u64,
|
|
loader_id,
|
|
)?
|
|
.to_vec();
|
|
Ok(Instruction {
|
|
program_id: ix.program_id,
|
|
accounts,
|
|
data,
|
|
})
|
|
}
|
|
|
|
fn translate_accounts<'c>(
|
|
&'c self,
|
|
loader_id: &Pubkey,
|
|
instruction_accounts: &[InstructionAccount],
|
|
program_indices: &[usize],
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<TranslatedAccounts<'c>, EbpfError<BpfError>> {
|
|
let account_infos = translate_slice::<AccountInfo>(
|
|
memory_mapping,
|
|
account_infos_addr,
|
|
account_infos_len,
|
|
loader_id,
|
|
)?;
|
|
check_account_infos(account_infos.len(), invoke_context)?;
|
|
let account_info_keys = account_infos
|
|
.iter()
|
|
.map(|account_info| {
|
|
translate_type::<Pubkey>(
|
|
memory_mapping,
|
|
account_info.key as *const _ as u64,
|
|
loader_id,
|
|
)
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?;
|
|
|
|
let translate = |account_info: &AccountInfo, invoke_context: &InvokeContext| {
|
|
// Translate the account from user space
|
|
|
|
let lamports = {
|
|
// Double translate lamports out of RefCell
|
|
let ptr = translate_type::<u64>(
|
|
memory_mapping,
|
|
account_info.lamports.as_ptr() as u64,
|
|
loader_id,
|
|
)?;
|
|
translate_type_mut::<u64>(memory_mapping, *ptr, loader_id)?
|
|
};
|
|
let owner = translate_type_mut::<Pubkey>(
|
|
memory_mapping,
|
|
account_info.owner as *const _ as u64,
|
|
loader_id,
|
|
)?;
|
|
|
|
let (data, vm_data_addr, ref_to_len_in_vm, serialized_len_ptr) = {
|
|
// Double translate data out of RefCell
|
|
let data = *translate_type::<&[u8]>(
|
|
memory_mapping,
|
|
account_info.data.as_ptr() as *const _ as u64,
|
|
loader_id,
|
|
)?;
|
|
|
|
invoke_context.get_compute_meter().consume(
|
|
data.len() as u64 / invoke_context.get_compute_budget().cpi_bytes_per_unit,
|
|
)?;
|
|
|
|
let translated = translate(
|
|
memory_mapping,
|
|
AccessType::Store,
|
|
unsafe { (account_info.data.as_ptr() as *const u64).offset(1) as u64 },
|
|
8,
|
|
)? as *mut u64;
|
|
let ref_to_len_in_vm = unsafe { &mut *translated };
|
|
let ref_of_len_in_input_buffer = unsafe { data.as_ptr().offset(-8) };
|
|
let serialized_len_ptr = translate_type_mut::<u64>(
|
|
memory_mapping,
|
|
ref_of_len_in_input_buffer as *const _ as u64,
|
|
loader_id,
|
|
)?;
|
|
let vm_data_addr = data.as_ptr() as u64;
|
|
(
|
|
translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
vm_data_addr,
|
|
data.len() as u64,
|
|
loader_id,
|
|
)?,
|
|
vm_data_addr,
|
|
ref_to_len_in_vm,
|
|
serialized_len_ptr,
|
|
)
|
|
};
|
|
|
|
Ok(CallerAccount {
|
|
lamports,
|
|
owner,
|
|
original_data_len: 0, // set later
|
|
data,
|
|
vm_data_addr,
|
|
ref_to_len_in_vm,
|
|
serialized_len_ptr,
|
|
executable: account_info.executable,
|
|
rent_epoch: account_info.rent_epoch,
|
|
})
|
|
};
|
|
|
|
get_translated_accounts(
|
|
instruction_accounts,
|
|
program_indices,
|
|
&account_info_keys,
|
|
account_infos,
|
|
invoke_context,
|
|
self.orig_data_lens,
|
|
translate,
|
|
)
|
|
}
|
|
|
|
fn translate_signers(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
program_id: &Pubkey,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
) -> Result<Vec<Pubkey>, EbpfError<BpfError>> {
|
|
let mut signers = Vec::new();
|
|
if signers_seeds_len > 0 {
|
|
let signers_seeds = translate_slice::<&[&[u8]]>(
|
|
memory_mapping,
|
|
signers_seeds_addr,
|
|
signers_seeds_len,
|
|
loader_id,
|
|
)?;
|
|
if signers_seeds.len() > MAX_SIGNERS {
|
|
return Err(SyscallError::TooManySigners.into());
|
|
}
|
|
for signer_seeds in signers_seeds.iter() {
|
|
let untranslated_seeds = translate_slice::<&[u8]>(
|
|
memory_mapping,
|
|
signer_seeds.as_ptr() as *const _ as u64,
|
|
signer_seeds.len() as u64,
|
|
loader_id,
|
|
)?;
|
|
if untranslated_seeds.len() > MAX_SEEDS {
|
|
return Err(SyscallError::InstructionError(
|
|
InstructionError::MaxSeedLengthExceeded,
|
|
)
|
|
.into());
|
|
}
|
|
let seeds = untranslated_seeds
|
|
.iter()
|
|
.map(|untranslated_seed| {
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
untranslated_seed.as_ptr() as *const _ as u64,
|
|
untranslated_seed.len() as u64,
|
|
loader_id,
|
|
)
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?;
|
|
let signer = Pubkey::create_program_address(&seeds, program_id)
|
|
.map_err(SyscallError::BadSeeds)?;
|
|
signers.push(signer);
|
|
}
|
|
Ok(signers)
|
|
} else {
|
|
Ok(vec![])
|
|
}
|
|
}
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallInvokeSignedRust<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
instruction_addr: u64,
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
*result = call(
|
|
self,
|
|
instruction_addr,
|
|
account_infos_addr,
|
|
account_infos_len,
|
|
signers_seeds_addr,
|
|
signers_seeds_len,
|
|
memory_mapping,
|
|
);
|
|
}
|
|
}
|
|
|
|
/// Rust representation of C's SolInstruction
|
|
#[derive(Debug)]
|
|
struct SolInstruction {
|
|
program_id_addr: u64,
|
|
accounts_addr: u64,
|
|
accounts_len: usize,
|
|
data_addr: u64,
|
|
data_len: usize,
|
|
}
|
|
|
|
/// Rust representation of C's SolAccountMeta
|
|
#[derive(Debug)]
|
|
struct SolAccountMeta {
|
|
pubkey_addr: u64,
|
|
is_writable: bool,
|
|
is_signer: bool,
|
|
}
|
|
|
|
/// Rust representation of C's SolAccountInfo
|
|
#[derive(Debug)]
|
|
struct SolAccountInfo {
|
|
key_addr: u64,
|
|
lamports_addr: u64,
|
|
data_len: u64,
|
|
data_addr: u64,
|
|
owner_addr: u64,
|
|
rent_epoch: u64,
|
|
#[allow(dead_code)]
|
|
is_signer: bool,
|
|
#[allow(dead_code)]
|
|
is_writable: bool,
|
|
executable: bool,
|
|
}
|
|
|
|
/// Rust representation of C's SolSignerSeed
|
|
#[derive(Debug)]
|
|
struct SolSignerSeedC {
|
|
addr: u64,
|
|
len: u64,
|
|
}
|
|
|
|
/// Rust representation of C's SolSignerSeeds
|
|
#[derive(Debug)]
|
|
struct SolSignerSeedsC {
|
|
#[allow(dead_code)]
|
|
addr: u64,
|
|
#[allow(dead_code)]
|
|
len: u64,
|
|
}
|
|
|
|
/// Cross-program invocation called from C
|
|
pub struct SyscallInvokeSignedC<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
orig_data_lens: &'a [usize],
|
|
}
|
|
impl<'a, 'b> SyscallInvokeSigned<'a, 'b> for SyscallInvokeSignedC<'a, 'b> {
|
|
fn get_context_mut(&self) -> Result<RefMut<&'a mut InvokeContext<'b>>, EbpfError<BpfError>> {
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed.into())
|
|
}
|
|
|
|
fn translate_instruction(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
addr: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<Instruction, EbpfError<BpfError>> {
|
|
let ix_c = translate_type::<SolInstruction>(memory_mapping, addr, loader_id)?;
|
|
|
|
check_instruction_size(ix_c.accounts_len, ix_c.data_len, invoke_context)?;
|
|
let program_id = translate_type::<Pubkey>(memory_mapping, ix_c.program_id_addr, loader_id)?;
|
|
let meta_cs = translate_slice::<SolAccountMeta>(
|
|
memory_mapping,
|
|
ix_c.accounts_addr,
|
|
ix_c.accounts_len as u64,
|
|
loader_id,
|
|
)?;
|
|
let data = translate_slice::<u8>(
|
|
memory_mapping,
|
|
ix_c.data_addr,
|
|
ix_c.data_len as u64,
|
|
loader_id,
|
|
)?
|
|
.to_vec();
|
|
let accounts = meta_cs
|
|
.iter()
|
|
.map(|meta_c| {
|
|
let pubkey =
|
|
translate_type::<Pubkey>(memory_mapping, meta_c.pubkey_addr, loader_id)?;
|
|
Ok(AccountMeta {
|
|
pubkey: *pubkey,
|
|
is_signer: meta_c.is_signer,
|
|
is_writable: meta_c.is_writable,
|
|
})
|
|
})
|
|
.collect::<Result<Vec<AccountMeta>, EbpfError<BpfError>>>()?;
|
|
|
|
Ok(Instruction {
|
|
program_id: *program_id,
|
|
accounts,
|
|
data,
|
|
})
|
|
}
|
|
|
|
fn translate_accounts<'c>(
|
|
&'c self,
|
|
loader_id: &Pubkey,
|
|
instruction_accounts: &[InstructionAccount],
|
|
program_indices: &[usize],
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<TranslatedAccounts<'c>, EbpfError<BpfError>> {
|
|
let account_infos = translate_slice::<SolAccountInfo>(
|
|
memory_mapping,
|
|
account_infos_addr,
|
|
account_infos_len,
|
|
loader_id,
|
|
)?;
|
|
check_account_infos(account_infos.len(), invoke_context)?;
|
|
let account_info_keys = account_infos
|
|
.iter()
|
|
.map(|account_info| {
|
|
translate_type::<Pubkey>(memory_mapping, account_info.key_addr, loader_id)
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?;
|
|
|
|
let translate = |account_info: &SolAccountInfo, invoke_context: &InvokeContext| {
|
|
// Translate the account from user space
|
|
|
|
let lamports =
|
|
translate_type_mut::<u64>(memory_mapping, account_info.lamports_addr, loader_id)?;
|
|
let owner =
|
|
translate_type_mut::<Pubkey>(memory_mapping, account_info.owner_addr, loader_id)?;
|
|
let vm_data_addr = account_info.data_addr;
|
|
|
|
invoke_context.get_compute_meter().consume(
|
|
account_info.data_len / invoke_context.get_compute_budget().cpi_bytes_per_unit,
|
|
)?;
|
|
|
|
let data = translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
vm_data_addr,
|
|
account_info.data_len,
|
|
loader_id,
|
|
)?;
|
|
|
|
let first_info_addr = &account_infos[0] as *const _ as u64;
|
|
let addr = &account_info.data_len as *const u64 as u64;
|
|
let vm_addr = account_infos_addr + (addr - first_info_addr);
|
|
let _ = translate(
|
|
memory_mapping,
|
|
AccessType::Store,
|
|
vm_addr,
|
|
size_of::<u64>() as u64,
|
|
)?;
|
|
let ref_to_len_in_vm = unsafe { &mut *(addr as *mut u64) };
|
|
|
|
let ref_of_len_in_input_buffer =
|
|
unsafe { (account_info.data_addr as *mut u8).offset(-8) };
|
|
let serialized_len_ptr = translate_type_mut::<u64>(
|
|
memory_mapping,
|
|
ref_of_len_in_input_buffer as *const _ as u64,
|
|
loader_id,
|
|
)?;
|
|
|
|
Ok(CallerAccount {
|
|
lamports,
|
|
owner,
|
|
original_data_len: 0, // set later
|
|
data,
|
|
vm_data_addr,
|
|
ref_to_len_in_vm,
|
|
serialized_len_ptr,
|
|
executable: account_info.executable,
|
|
rent_epoch: account_info.rent_epoch,
|
|
})
|
|
};
|
|
|
|
get_translated_accounts(
|
|
instruction_accounts,
|
|
program_indices,
|
|
&account_info_keys,
|
|
account_infos,
|
|
invoke_context,
|
|
self.orig_data_lens,
|
|
translate,
|
|
)
|
|
}
|
|
|
|
fn translate_signers(
|
|
&self,
|
|
loader_id: &Pubkey,
|
|
program_id: &Pubkey,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
) -> Result<Vec<Pubkey>, EbpfError<BpfError>> {
|
|
if signers_seeds_len > 0 {
|
|
let signers_seeds = translate_slice::<SolSignerSeedC>(
|
|
memory_mapping,
|
|
signers_seeds_addr,
|
|
signers_seeds_len,
|
|
loader_id,
|
|
)?;
|
|
if signers_seeds.len() > MAX_SIGNERS {
|
|
return Err(SyscallError::TooManySigners.into());
|
|
}
|
|
Ok(signers_seeds
|
|
.iter()
|
|
.map(|signer_seeds| {
|
|
let seeds = translate_slice::<SolSignerSeedC>(
|
|
memory_mapping,
|
|
signer_seeds.addr,
|
|
signer_seeds.len,
|
|
loader_id,
|
|
)?;
|
|
if seeds.len() > MAX_SEEDS {
|
|
return Err(SyscallError::InstructionError(
|
|
InstructionError::MaxSeedLengthExceeded,
|
|
)
|
|
.into());
|
|
}
|
|
let seeds_bytes = seeds
|
|
.iter()
|
|
.map(|seed| {
|
|
translate_slice::<u8>(memory_mapping, seed.addr, seed.len, loader_id)
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?;
|
|
Pubkey::create_program_address(&seeds_bytes, program_id)
|
|
.map_err(|err| SyscallError::BadSeeds(err).into())
|
|
})
|
|
.collect::<Result<Vec<_>, EbpfError<BpfError>>>()?)
|
|
} else {
|
|
Ok(vec![])
|
|
}
|
|
}
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallInvokeSignedC<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
instruction_addr: u64,
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
*result = call(
|
|
self,
|
|
instruction_addr,
|
|
account_infos_addr,
|
|
account_infos_len,
|
|
signers_seeds_addr,
|
|
signers_seeds_len,
|
|
memory_mapping,
|
|
);
|
|
}
|
|
}
|
|
|
|
fn get_translated_accounts<'a, T, F>(
|
|
instruction_accounts: &[InstructionAccount],
|
|
program_indices: &[usize],
|
|
account_info_keys: &[&Pubkey],
|
|
account_infos: &[T],
|
|
invoke_context: &mut InvokeContext,
|
|
orig_data_lens: &[usize],
|
|
do_translate: F,
|
|
) -> Result<TranslatedAccounts<'a>, EbpfError<BpfError>>
|
|
where
|
|
F: Fn(&T, &InvokeContext) -> Result<CallerAccount<'a>, EbpfError<BpfError>>,
|
|
{
|
|
let instruction_context = invoke_context
|
|
.transaction_context
|
|
.get_current_instruction_context()
|
|
.map_err(SyscallError::InstructionError)?;
|
|
let mut accounts = Vec::with_capacity(instruction_accounts.len().saturating_add(1));
|
|
|
|
let program_account_index = program_indices
|
|
.last()
|
|
.ok_or(SyscallError::InstructionError(
|
|
InstructionError::MissingAccount,
|
|
))?;
|
|
accounts.push((*program_account_index, None));
|
|
|
|
for instruction_account in instruction_accounts.iter() {
|
|
let account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(instruction_account.index_in_transaction);
|
|
let account_key = invoke_context
|
|
.transaction_context
|
|
.get_key_of_account_at_index(instruction_account.index_in_transaction);
|
|
if account.borrow().executable() {
|
|
// Use the known account
|
|
accounts.push((instruction_account.index_in_transaction, None));
|
|
} else if let Some(caller_account_index) =
|
|
account_info_keys.iter().position(|key| *key == account_key)
|
|
{
|
|
let mut caller_account =
|
|
do_translate(&account_infos[caller_account_index], invoke_context)?;
|
|
{
|
|
let mut account = account.borrow_mut();
|
|
account.copy_into_owner_from_slice(caller_account.owner.as_ref());
|
|
account.set_data_from_slice(caller_account.data);
|
|
account.set_lamports(*caller_account.lamports);
|
|
account.set_executable(caller_account.executable);
|
|
account.set_rent_epoch(caller_account.rent_epoch);
|
|
}
|
|
let caller_account = if instruction_account.is_writable {
|
|
let orig_data_len_index = instruction_account
|
|
.index_in_caller
|
|
.saturating_sub(instruction_context.get_number_of_program_accounts());
|
|
if orig_data_len_index < orig_data_lens.len() {
|
|
caller_account.original_data_len = orig_data_lens[orig_data_len_index];
|
|
} else {
|
|
ic_msg!(
|
|
invoke_context,
|
|
"Internal error: index mismatch for account {}",
|
|
account_key
|
|
);
|
|
return Err(
|
|
SyscallError::InstructionError(InstructionError::MissingAccount).into(),
|
|
);
|
|
}
|
|
|
|
Some(caller_account)
|
|
} else {
|
|
None
|
|
};
|
|
accounts.push((instruction_account.index_in_transaction, caller_account));
|
|
} else {
|
|
ic_msg!(
|
|
invoke_context,
|
|
"Instruction references an unknown account {}",
|
|
account_key
|
|
);
|
|
return Err(SyscallError::InstructionError(InstructionError::MissingAccount).into());
|
|
}
|
|
}
|
|
|
|
Ok(accounts)
|
|
}
|
|
|
|
fn check_instruction_size(
|
|
num_accounts: usize,
|
|
data_len: usize,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<(), EbpfError<BpfError>> {
|
|
let size = num_accounts
|
|
.saturating_mul(size_of::<AccountMeta>())
|
|
.saturating_add(data_len);
|
|
let max_size = invoke_context.get_compute_budget().max_cpi_instruction_size;
|
|
if size > max_size {
|
|
return Err(SyscallError::InstructionTooLarge(size, max_size).into());
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn check_account_infos(
|
|
len: usize,
|
|
invoke_context: &mut InvokeContext,
|
|
) -> Result<(), EbpfError<BpfError>> {
|
|
if len * size_of::<Pubkey>() > invoke_context.get_compute_budget().max_cpi_instruction_size {
|
|
// Cap the number of account_infos a caller can pass to approximate
|
|
// maximum that accounts that could be passed in an instruction
|
|
return Err(SyscallError::TooManyAccounts.into());
|
|
};
|
|
Ok(())
|
|
}
|
|
|
|
fn check_authorized_program(
|
|
program_id: &Pubkey,
|
|
instruction_data: &[u8],
|
|
invoke_context: &InvokeContext,
|
|
) -> Result<(), EbpfError<BpfError>> {
|
|
#[allow(clippy::blocks_in_if_conditions)]
|
|
if native_loader::check_id(program_id)
|
|
|| bpf_loader::check_id(program_id)
|
|
|| bpf_loader_deprecated::check_id(program_id)
|
|
|| (bpf_loader_upgradeable::check_id(program_id)
|
|
&& !(bpf_loader_upgradeable::is_upgrade_instruction(instruction_data)
|
|
|| bpf_loader_upgradeable::is_set_authority_instruction(instruction_data)
|
|
|| bpf_loader_upgradeable::is_close_instruction(instruction_data)))
|
|
|| (invoke_context
|
|
.feature_set
|
|
.is_active(&prevent_calling_precompiles_as_programs::id())
|
|
&& is_precompile(program_id, |feature_id: &Pubkey| {
|
|
invoke_context.feature_set.is_active(feature_id)
|
|
}))
|
|
{
|
|
return Err(SyscallError::ProgramNotSupported(*program_id).into());
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
/// Call process instruction, common to both Rust and C
|
|
fn call<'a, 'b: 'a>(
|
|
syscall: &mut dyn SyscallInvokeSigned<'a, 'b>,
|
|
instruction_addr: u64,
|
|
account_infos_addr: u64,
|
|
account_infos_len: u64,
|
|
signers_seeds_addr: u64,
|
|
signers_seeds_len: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
) -> Result<u64, EbpfError<BpfError>> {
|
|
let mut invoke_context = syscall.get_context_mut()?;
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(invoke_context.get_compute_budget().invoke_units)?;
|
|
let do_support_realloc = invoke_context
|
|
.feature_set
|
|
.is_active(&do_support_realloc::id());
|
|
|
|
// Translate and verify caller's data
|
|
let loader_id = invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError)?;
|
|
let instruction = syscall.translate_instruction(
|
|
&loader_id,
|
|
instruction_addr,
|
|
memory_mapping,
|
|
*invoke_context,
|
|
)?;
|
|
let caller_program_id = invoke_context
|
|
.transaction_context
|
|
.get_program_key()
|
|
.map_err(SyscallError::InstructionError)?;
|
|
let signers = syscall.translate_signers(
|
|
&loader_id,
|
|
caller_program_id,
|
|
signers_seeds_addr,
|
|
signers_seeds_len,
|
|
memory_mapping,
|
|
)?;
|
|
let (instruction_accounts, program_indices) = invoke_context
|
|
.prepare_instruction(&instruction, &signers)
|
|
.map_err(SyscallError::InstructionError)?;
|
|
check_authorized_program(&instruction.program_id, &instruction.data, *invoke_context)?;
|
|
let mut accounts = syscall.translate_accounts(
|
|
&loader_id,
|
|
&instruction_accounts,
|
|
&program_indices,
|
|
account_infos_addr,
|
|
account_infos_len,
|
|
memory_mapping,
|
|
*invoke_context,
|
|
)?;
|
|
|
|
// Process instruction
|
|
let mut compute_units_consumed = 0;
|
|
invoke_context
|
|
.process_instruction(
|
|
&instruction.data,
|
|
&instruction_accounts,
|
|
&program_indices,
|
|
&mut compute_units_consumed,
|
|
&mut ExecuteTimings::default(),
|
|
)
|
|
.map_err(SyscallError::InstructionError)?;
|
|
|
|
// Copy results back to caller
|
|
for (callee_account_index, caller_account) in accounts.iter_mut() {
|
|
if let Some(caller_account) = caller_account {
|
|
let callee_account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(*callee_account_index)
|
|
.borrow();
|
|
*caller_account.lamports = callee_account.lamports();
|
|
*caller_account.owner = *callee_account.owner();
|
|
let new_len = callee_account.data().len();
|
|
if caller_account.data.len() != new_len {
|
|
if !do_support_realloc && !caller_account.data.is_empty() {
|
|
// Only support for `CreateAccount` at this time.
|
|
// Need a way to limit total realloc size across multiple CPI calls
|
|
ic_msg!(
|
|
invoke_context,
|
|
"Inner instructions do not support realloc, only SystemProgram::CreateAccount",
|
|
);
|
|
return Err(
|
|
SyscallError::InstructionError(InstructionError::InvalidRealloc).into(),
|
|
);
|
|
}
|
|
let data_overflow = if do_support_realloc {
|
|
new_len > caller_account.original_data_len + MAX_PERMITTED_DATA_INCREASE
|
|
} else {
|
|
new_len > caller_account.data.len() + MAX_PERMITTED_DATA_INCREASE
|
|
};
|
|
if data_overflow {
|
|
ic_msg!(
|
|
invoke_context,
|
|
"Account data size realloc limited to {} in inner instructions",
|
|
MAX_PERMITTED_DATA_INCREASE
|
|
);
|
|
return Err(
|
|
SyscallError::InstructionError(InstructionError::InvalidRealloc).into(),
|
|
);
|
|
}
|
|
if new_len < caller_account.data.len() {
|
|
caller_account.data[new_len..].fill(0);
|
|
}
|
|
caller_account.data = translate_slice_mut::<u8>(
|
|
memory_mapping,
|
|
caller_account.vm_data_addr,
|
|
new_len as u64,
|
|
&bpf_loader_deprecated::id(), // Don't care since it is byte aligned
|
|
)?;
|
|
*caller_account.ref_to_len_in_vm = new_len as u64;
|
|
*caller_account.serialized_len_ptr = new_len as u64;
|
|
}
|
|
caller_account
|
|
.data
|
|
.copy_from_slice(&callee_account.data()[0..new_len]);
|
|
}
|
|
}
|
|
|
|
Ok(SUCCESS)
|
|
}
|
|
|
|
// Return data handling
|
|
pub struct SyscallSetReturnData<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallSetReturnData<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
addr: u64,
|
|
len: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let mut invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow_mut()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let budget = invoke_context.get_compute_budget();
|
|
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(len / budget.cpi_bytes_per_unit + budget.syscall_base_cost),
|
|
result
|
|
);
|
|
|
|
if len > MAX_RETURN_DATA as u64 {
|
|
*result = Err(SyscallError::ReturnDataTooLarge(len, MAX_RETURN_DATA as u64).into());
|
|
return;
|
|
}
|
|
|
|
let return_data = if len == 0 {
|
|
Vec::new()
|
|
} else {
|
|
question_mark!(
|
|
translate_slice::<u8>(memory_mapping, addr, len, &loader_id),
|
|
result
|
|
)
|
|
.to_vec()
|
|
};
|
|
let program_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_program_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
invoke_context.return_data = (*program_id, return_data);
|
|
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
pub struct SyscallGetReturnData<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallGetReturnData<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
return_data_addr: u64,
|
|
mut length: u64,
|
|
program_id_addr: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let budget = invoke_context.get_compute_budget();
|
|
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(budget.syscall_base_cost),
|
|
result
|
|
);
|
|
|
|
let (program_id, return_data) = &invoke_context.return_data;
|
|
length = length.min(return_data.len() as u64);
|
|
if length != 0 {
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume((length + size_of::<Pubkey>() as u64) / budget.cpi_bytes_per_unit),
|
|
result
|
|
);
|
|
|
|
let return_data_result = question_mark!(
|
|
translate_slice_mut::<u8>(memory_mapping, return_data_addr, length, &loader_id),
|
|
result
|
|
);
|
|
|
|
return_data_result.copy_from_slice(&return_data[..length as usize]);
|
|
|
|
let program_id_result = question_mark!(
|
|
translate_slice_mut::<Pubkey>(memory_mapping, program_id_addr, 1, &loader_id),
|
|
result
|
|
);
|
|
|
|
program_id_result[0] = *program_id;
|
|
}
|
|
|
|
// Return the actual length, rather the length returned
|
|
*result = Ok(return_data.len() as u64);
|
|
}
|
|
}
|
|
|
|
// Log data handling
|
|
pub struct SyscallLogData<'a, 'b> {
|
|
invoke_context: Rc<RefCell<&'a mut InvokeContext<'b>>>,
|
|
}
|
|
impl<'a, 'b> SyscallObject<BpfError> for SyscallLogData<'a, 'b> {
|
|
fn call(
|
|
&mut self,
|
|
addr: u64,
|
|
len: u64,
|
|
_arg3: u64,
|
|
_arg4: u64,
|
|
_arg5: u64,
|
|
memory_mapping: &MemoryMapping,
|
|
result: &mut Result<u64, EbpfError<BpfError>>,
|
|
) {
|
|
let invoke_context = question_mark!(
|
|
self.invoke_context
|
|
.try_borrow()
|
|
.map_err(|_| SyscallError::InvokeContextBorrowFailed),
|
|
result
|
|
);
|
|
let loader_id = question_mark!(
|
|
invoke_context
|
|
.transaction_context
|
|
.get_loader_key()
|
|
.map_err(SyscallError::InstructionError),
|
|
result
|
|
);
|
|
|
|
let budget = invoke_context.get_compute_budget();
|
|
|
|
question_mark!(
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.consume(budget.syscall_base_cost),
|
|
result
|
|
);
|
|
|
|
let untranslated_fields = question_mark!(
|
|
translate_slice::<&[u8]>(memory_mapping, addr, len, &loader_id),
|
|
result
|
|
);
|
|
|
|
question_mark!(
|
|
invoke_context.get_compute_meter().consume(
|
|
budget
|
|
.syscall_base_cost
|
|
.saturating_mul(untranslated_fields.len() as u64)
|
|
),
|
|
result
|
|
);
|
|
question_mark!(
|
|
invoke_context.get_compute_meter().consume(
|
|
untranslated_fields
|
|
.iter()
|
|
.fold(0, |total, e| total.saturating_add(e.len() as u64))
|
|
),
|
|
result
|
|
);
|
|
|
|
let mut fields = Vec::with_capacity(untranslated_fields.len());
|
|
|
|
for untranslated_field in untranslated_fields {
|
|
fields.push(question_mark!(
|
|
translate_slice::<u8>(
|
|
memory_mapping,
|
|
untranslated_field.as_ptr() as *const _ as u64,
|
|
untranslated_field.len() as u64,
|
|
&loader_id,
|
|
),
|
|
result
|
|
));
|
|
}
|
|
|
|
let log_collector = invoke_context.get_log_collector();
|
|
|
|
stable_log::program_data(&log_collector, &fields);
|
|
|
|
*result = Ok(0);
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use {
|
|
super::*,
|
|
solana_program_runtime::invoke_context::InvokeContext,
|
|
solana_rbpf::{
|
|
ebpf::HOST_ALIGN, memory_region::MemoryRegion, user_error::UserError, vm::Config,
|
|
},
|
|
solana_sdk::{
|
|
account::AccountSharedData, bpf_loader, fee_calculator::FeeCalculator, hash::hashv,
|
|
transaction_context::TransactionContext,
|
|
},
|
|
std::str::FromStr,
|
|
};
|
|
|
|
macro_rules! assert_access_violation {
|
|
($result:expr, $va:expr, $len:expr) => {
|
|
match $result {
|
|
Err(EbpfError::AccessViolation(_, _, va, len, _)) if $va == va && $len == len => (),
|
|
Err(EbpfError::StackAccessViolation(_, _, va, len, _))
|
|
if $va == va && $len == len => {}
|
|
_ => panic!(),
|
|
}
|
|
};
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
struct MockSlice {
|
|
pub vm_addr: u64,
|
|
pub len: usize,
|
|
}
|
|
|
|
#[test]
|
|
fn test_translate() {
|
|
const START: u64 = 0x100000000;
|
|
const LENGTH: u64 = 1000;
|
|
let data = vec![0u8; LENGTH as usize];
|
|
let addr = data.as_ptr() as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion::new_from_slice(&data, START, 0, false),
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
|
|
let cases = vec![
|
|
(true, START, 0, addr),
|
|
(true, START, 1, addr),
|
|
(true, START, LENGTH, addr),
|
|
(true, START + 1, LENGTH - 1, addr + 1),
|
|
(false, START + 1, LENGTH, 0),
|
|
(true, START + LENGTH - 1, 1, addr + LENGTH - 1),
|
|
(true, START + LENGTH, 0, addr + LENGTH),
|
|
(false, START + LENGTH, 1, 0),
|
|
(false, START, LENGTH + 1, 0),
|
|
(false, 0, 0, 0),
|
|
(false, 0, 1, 0),
|
|
(false, START - 1, 0, 0),
|
|
(false, START - 1, 1, 0),
|
|
(true, START + LENGTH / 2, LENGTH / 2, addr + LENGTH / 2),
|
|
];
|
|
for (ok, start, length, value) in cases {
|
|
if ok {
|
|
assert_eq!(
|
|
translate(&memory_mapping, AccessType::Load, start, length).unwrap(),
|
|
value
|
|
)
|
|
} else {
|
|
assert!(translate(&memory_mapping, AccessType::Load, start, length).is_err())
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_translate_type() {
|
|
// Pubkey
|
|
let pubkey = solana_sdk::pubkey::new_rand();
|
|
let addr = &pubkey as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: std::mem::size_of::<Pubkey>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_pubkey =
|
|
translate_type::<Pubkey>(&memory_mapping, 0x100000000, &bpf_loader::id()).unwrap();
|
|
assert_eq!(pubkey, *translated_pubkey);
|
|
|
|
// Instruction
|
|
let instruction = Instruction::new_with_bincode(
|
|
solana_sdk::pubkey::new_rand(),
|
|
&"foobar",
|
|
vec![AccountMeta::new(solana_sdk::pubkey::new_rand(), false)],
|
|
);
|
|
let addr = &instruction as *const _ as u64;
|
|
let mut memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: std::mem::size_of::<Instruction>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_instruction =
|
|
translate_type::<Instruction>(&memory_mapping, 0x100000000, &bpf_loader::id()).unwrap();
|
|
assert_eq!(instruction, *translated_instruction);
|
|
memory_mapping.resize_region::<BpfError>(1, 1).unwrap();
|
|
assert!(
|
|
translate_type::<Instruction>(&memory_mapping, 0x100000000, &bpf_loader::id()).is_err()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_translate_slice() {
|
|
// zero len
|
|
let good_data = vec![1u8, 2, 3, 4, 5];
|
|
let data: Vec<u8> = vec![];
|
|
assert_eq!(0x1 as *const u8, data.as_ptr());
|
|
let addr = good_data.as_ptr() as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: good_data.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_data =
|
|
translate_slice::<u8>(&memory_mapping, data.as_ptr() as u64, 0, &bpf_loader::id())
|
|
.unwrap();
|
|
assert_eq!(data, translated_data);
|
|
assert_eq!(0, translated_data.len());
|
|
|
|
// u8
|
|
let mut data = vec![1u8, 2, 3, 4, 5];
|
|
let addr = data.as_ptr() as *const _ as u64;
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: data.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_data = translate_slice::<u8>(
|
|
&memory_mapping,
|
|
0x100000000,
|
|
data.len() as u64,
|
|
&bpf_loader::id(),
|
|
)
|
|
.unwrap();
|
|
assert_eq!(data, translated_data);
|
|
data[0] = 10;
|
|
assert_eq!(data, translated_data);
|
|
assert!(translate_slice::<u8>(
|
|
&memory_mapping,
|
|
data.as_ptr() as u64,
|
|
u64::MAX,
|
|
&bpf_loader::id(),
|
|
)
|
|
.is_err());
|
|
|
|
assert!(translate_slice::<u8>(
|
|
&memory_mapping,
|
|
0x100000000 - 1,
|
|
data.len() as u64,
|
|
&bpf_loader::id(),
|
|
)
|
|
.is_err());
|
|
|
|
// u64
|
|
let mut data = vec![1u64, 2, 3, 4, 5];
|
|
let addr = data.as_ptr() as *const _ as u64;
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: (data.len() * size_of::<u64>()) as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_data = translate_slice::<u64>(
|
|
&memory_mapping,
|
|
0x100000000,
|
|
data.len() as u64,
|
|
&bpf_loader::id(),
|
|
)
|
|
.unwrap();
|
|
assert_eq!(data, translated_data);
|
|
data[0] = 10;
|
|
assert_eq!(data, translated_data);
|
|
assert!(
|
|
translate_slice::<u64>(&memory_mapping, 0x100000000, u64::MAX, &bpf_loader::id())
|
|
.is_err()
|
|
);
|
|
|
|
// Pubkeys
|
|
let mut data = vec![solana_sdk::pubkey::new_rand(); 5];
|
|
let addr = data.as_ptr() as *const _ as u64;
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: (data.len() * std::mem::size_of::<Pubkey>()) as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let translated_data = translate_slice::<Pubkey>(
|
|
&memory_mapping,
|
|
0x100000000,
|
|
data.len() as u64,
|
|
&bpf_loader::id(),
|
|
)
|
|
.unwrap();
|
|
assert_eq!(data, translated_data);
|
|
data[0] = solana_sdk::pubkey::new_rand(); // Both should point to same place
|
|
assert_eq!(data, translated_data);
|
|
}
|
|
|
|
#[test]
|
|
fn test_translate_string_and_do() {
|
|
let string = "Gaggablaghblagh!";
|
|
let addr = string.as_ptr() as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: string.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
assert_eq!(
|
|
42,
|
|
translate_string_and_do(
|
|
&memory_mapping,
|
|
0x100000000,
|
|
string.len() as u64,
|
|
&bpf_loader::id(),
|
|
&mut |string: &str| {
|
|
assert_eq!(string, "Gaggablaghblagh!");
|
|
Ok(42)
|
|
}
|
|
)
|
|
.unwrap()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
#[should_panic(expected = "UserError(SyscallError(Abort))")]
|
|
fn test_syscall_abort() {
|
|
let config = Config::default();
|
|
let memory_mapping =
|
|
MemoryMapping::new::<UserError>(vec![MemoryRegion::default()], &config).unwrap();
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
SyscallAbort::call(
|
|
&mut SyscallAbort {},
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
result.unwrap();
|
|
}
|
|
|
|
#[test]
|
|
#[should_panic(expected = "UserError(SyscallError(Panic(\"Gaggablaghblagh!\", 42, 84)))")]
|
|
fn test_syscall_sol_panic() {
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let mut syscall_panic = SyscallPanic {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let string = "Gaggablaghblagh!";
|
|
let addr = string.as_ptr() as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: string.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
|
|
syscall_panic
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(string.len() as u64 - 1);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_panic.call(
|
|
0x100000000,
|
|
string.len() as u64,
|
|
42,
|
|
84,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_eq!(
|
|
Err(EbpfError::UserError(BpfError::SyscallError(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
))),
|
|
result
|
|
);
|
|
|
|
syscall_panic
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(string.len() as u64);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_panic.call(
|
|
0x100000000,
|
|
string.len() as u64,
|
|
42,
|
|
84,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
result.unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn test_syscall_sol_log() {
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let mut syscall_sol_log = SyscallLog {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let string = "Gaggablaghblagh!";
|
|
let addr = string.as_ptr() as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: string.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
|
|
syscall_sol_log
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining((string.len() as u64 * 5) - 1);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_log.call(
|
|
0x100000001, // AccessViolation
|
|
string.len() as u64,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, 0x100000001, string.len() as u64);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_log.call(
|
|
0x100000000,
|
|
string.len() as u64 * 2, // AccessViolation
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, 0x100000000, string.len() as u64 * 2);
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_log.call(
|
|
0x100000000,
|
|
string.len() as u64,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
result.unwrap();
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_log.call(
|
|
0x100000000,
|
|
string.len() as u64,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_eq!(
|
|
Err(EbpfError::UserError(BpfError::SyscallError(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
))),
|
|
result
|
|
);
|
|
|
|
assert_eq!(
|
|
syscall_sol_log
|
|
.invoke_context
|
|
.borrow()
|
|
.get_log_collector()
|
|
.unwrap()
|
|
.borrow()
|
|
.get_recorded_content(),
|
|
&["Program log: Gaggablaghblagh!".to_string()]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_syscall_sol_log_u64() {
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let cost = invoke_context.get_compute_budget().log_64_units;
|
|
let mut syscall_sol_log_u64 = SyscallLogU64 {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
syscall_sol_log_u64
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost);
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(vec![], &config).unwrap();
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_log_u64.call(1, 2, 3, 4, 5, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
|
|
assert_eq!(
|
|
syscall_sol_log_u64
|
|
.invoke_context
|
|
.borrow()
|
|
.get_log_collector()
|
|
.unwrap()
|
|
.borrow()
|
|
.get_recorded_content(),
|
|
&["Program log: 0x1, 0x2, 0x3, 0x4, 0x5".to_string()]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_syscall_sol_pubkey() {
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let cost = invoke_context.get_compute_budget().log_pubkey_units;
|
|
let mut syscall_sol_pubkey = SyscallLogPubkey {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let pubkey = Pubkey::from_str("MoqiU1vryuCGQSxFKA1SZ316JdLEFFhoAu6cKUNk7dN").unwrap();
|
|
let addr = &pubkey.as_ref()[0] as *const _ as u64;
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: addr,
|
|
vm_addr: 0x100000000,
|
|
len: 32,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_pubkey.call(
|
|
0x100000001, // AccessViolation
|
|
32,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, 0x100000001, 32);
|
|
|
|
syscall_sol_pubkey
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(1);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_pubkey.call(100, 32, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(
|
|
Err(EbpfError::UserError(BpfError::SyscallError(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
))),
|
|
result
|
|
);
|
|
|
|
syscall_sol_pubkey
|
|
.invoke_context
|
|
.borrow_mut()
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall_sol_pubkey.call(0x100000000, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
|
|
assert_eq!(
|
|
syscall_sol_pubkey
|
|
.invoke_context
|
|
.borrow()
|
|
.get_log_collector()
|
|
.unwrap()
|
|
.borrow()
|
|
.get_recorded_content(),
|
|
&["Program log: MoqiU1vryuCGQSxFKA1SZ316JdLEFFhoAu6cKUNk7dN".to_string()]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_syscall_sol_alloc_free() {
|
|
let config = Config::default();
|
|
// large alloc
|
|
{
|
|
let heap = AlignedMemory::new_with_size(100, HOST_ALIGN);
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_PROGRAM_START, 0, false),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_STACK_START, 4096, true),
|
|
MemoryRegion::new_from_slice(heap.as_slice(), ebpf::MM_HEAP_START, 0, true),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_INPUT_START, 0, true),
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallAllocFree {
|
|
aligned: true,
|
|
allocator: BpfAllocator::new(heap, ebpf::MM_HEAP_START),
|
|
};
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(100, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_ne!(result.unwrap(), 0);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(100, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(result.unwrap(), 0);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(u64::MAX, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(result.unwrap(), 0);
|
|
}
|
|
// many small unaligned allocs
|
|
{
|
|
let heap = AlignedMemory::new_with_size(100, HOST_ALIGN);
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_PROGRAM_START, 0, false),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_STACK_START, 4096, true),
|
|
MemoryRegion::new_from_slice(heap.as_slice(), ebpf::MM_HEAP_START, 0, true),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_INPUT_START, 0, true),
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallAllocFree {
|
|
aligned: false,
|
|
allocator: BpfAllocator::new(heap, ebpf::MM_HEAP_START),
|
|
};
|
|
for _ in 0..100 {
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(1, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_ne!(result.unwrap(), 0);
|
|
}
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(100, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(result.unwrap(), 0);
|
|
}
|
|
// many small aligned allocs
|
|
{
|
|
let heap = AlignedMemory::new_with_size(100, HOST_ALIGN);
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_PROGRAM_START, 0, false),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_STACK_START, 4096, true),
|
|
MemoryRegion::new_from_slice(heap.as_slice(), ebpf::MM_HEAP_START, 0, true),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_INPUT_START, 0, true),
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallAllocFree {
|
|
aligned: true,
|
|
allocator: BpfAllocator::new(heap, ebpf::MM_HEAP_START),
|
|
};
|
|
for _ in 0..12 {
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(1, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_ne!(result.unwrap(), 0);
|
|
}
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(100, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(result.unwrap(), 0);
|
|
}
|
|
// aligned allocs
|
|
|
|
fn check_alignment<T>() {
|
|
let heap = AlignedMemory::new_with_size(100, HOST_ALIGN);
|
|
let config = Config::default();
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_PROGRAM_START, 0, false),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_STACK_START, 4096, true),
|
|
MemoryRegion::new_from_slice(heap.as_slice(), ebpf::MM_HEAP_START, 0, true),
|
|
MemoryRegion::new_from_slice(&[], ebpf::MM_INPUT_START, 0, true),
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallAllocFree {
|
|
aligned: true,
|
|
allocator: BpfAllocator::new(heap, ebpf::MM_HEAP_START),
|
|
};
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(
|
|
size_of::<u8>() as u64,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
let address = result.unwrap();
|
|
assert_ne!(address, 0);
|
|
assert_eq!((address as *const u8).align_offset(align_of::<u8>()), 0);
|
|
}
|
|
check_alignment::<u8>();
|
|
check_alignment::<u16>();
|
|
check_alignment::<u32>();
|
|
check_alignment::<u64>();
|
|
check_alignment::<u128>();
|
|
}
|
|
|
|
#[test]
|
|
fn test_syscall_sha256() {
|
|
let config = Config::default();
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(
|
|
program_id,
|
|
AccountSharedData::new(0, 0, &bpf_loader_deprecated::id()),
|
|
)],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
|
|
let bytes1 = "Gaggablaghblagh!";
|
|
let bytes2 = "flurbos";
|
|
|
|
let mock_slice1 = MockSlice {
|
|
vm_addr: 0x300000000,
|
|
len: bytes1.len(),
|
|
};
|
|
let mock_slice2 = MockSlice {
|
|
vm_addr: 0x400000000,
|
|
len: bytes2.len(),
|
|
};
|
|
let bytes_to_hash = [mock_slice1, mock_slice2];
|
|
let hash_result = [0; HASH_BYTES];
|
|
let ro_len = bytes_to_hash.len() as u64;
|
|
let ro_va = 0x100000000;
|
|
let rw_va = 0x200000000;
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: bytes_to_hash.as_ptr() as *const _ as u64,
|
|
vm_addr: ro_va,
|
|
len: 32,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: hash_result.as_ptr() as *const _ as u64,
|
|
vm_addr: rw_va,
|
|
len: HASH_BYTES as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: bytes1.as_ptr() as *const _ as u64,
|
|
vm_addr: bytes_to_hash[0].vm_addr,
|
|
len: bytes1.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: bytes2.as_ptr() as *const _ as u64,
|
|
vm_addr: bytes_to_hash[1].vm_addr,
|
|
len: bytes2.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(
|
|
(invoke_context.get_compute_budget().sha256_base_cost
|
|
+ (bytes1.len() + bytes2.len()) as u64
|
|
* invoke_context.get_compute_budget().sha256_byte_cost)
|
|
* 4,
|
|
);
|
|
let mut syscall = SyscallSha256 {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(ro_va, ro_len, rw_va, 0, 0, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
|
|
let hash_local = hashv(&[bytes1.as_ref(), bytes2.as_ref()]).to_bytes();
|
|
assert_eq!(hash_result, hash_local);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(
|
|
ro_va - 1, // AccessViolation
|
|
ro_len,
|
|
rw_va,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, ro_va - 1, 32);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(
|
|
ro_va,
|
|
ro_len + 1, // AccessViolation
|
|
rw_va,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, ro_va, 48);
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(
|
|
ro_va,
|
|
ro_len,
|
|
rw_va - 1, // AccessViolation
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
assert_access_violation!(result, rw_va - 1, HASH_BYTES as u64);
|
|
|
|
syscall.call(ro_va, ro_len, rw_va, 0, 0, &memory_mapping, &mut result);
|
|
assert_eq!(
|
|
Err(EbpfError::UserError(BpfError::SyscallError(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
))),
|
|
result
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
#[allow(deprecated)]
|
|
fn test_syscall_get_sysvar() {
|
|
let config = Config::default();
|
|
let src_clock = Clock {
|
|
slot: 1,
|
|
epoch_start_timestamp: 2,
|
|
epoch: 3,
|
|
leader_schedule_epoch: 4,
|
|
unix_timestamp: 5,
|
|
};
|
|
let mut data_clock = vec![];
|
|
bincode::serialize_into(&mut data_clock, &src_clock).unwrap();
|
|
let src_epochschedule = EpochSchedule {
|
|
slots_per_epoch: 1,
|
|
leader_schedule_slot_offset: 2,
|
|
warmup: false,
|
|
first_normal_epoch: 3,
|
|
first_normal_slot: 4,
|
|
};
|
|
let mut data_epochschedule = vec![];
|
|
bincode::serialize_into(&mut data_epochschedule, &src_epochschedule).unwrap();
|
|
let src_fees = Fees {
|
|
fee_calculator: FeeCalculator {
|
|
lamports_per_signature: 1,
|
|
},
|
|
};
|
|
let mut data_fees = vec![];
|
|
bincode::serialize_into(&mut data_fees, &src_fees).unwrap();
|
|
let src_rent = Rent {
|
|
lamports_per_byte_year: 1,
|
|
exemption_threshold: 2.0,
|
|
burn_percent: 3,
|
|
};
|
|
let mut data_rent = vec![];
|
|
bincode::serialize_into(&mut data_rent, &src_rent).unwrap();
|
|
let sysvars = [
|
|
(sysvar::clock::id(), data_clock),
|
|
(sysvar::epoch_schedule::id(), data_epochschedule),
|
|
(sysvar::fees::id(), data_fees),
|
|
(sysvar::rent::id(), data_rent),
|
|
];
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.sysvars = &sysvars;
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
|
|
// Test clock sysvar
|
|
{
|
|
let got_clock = Clock::default();
|
|
let got_clock_va = 0x100000000;
|
|
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: &got_clock as *const _ as u64,
|
|
vm_addr: got_clock_va,
|
|
len: size_of::<Clock>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallGetClockSysvar {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(got_clock_va, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
assert_eq!(got_clock, src_clock);
|
|
}
|
|
|
|
// Test epoch_schedule sysvar
|
|
{
|
|
let got_epochschedule = EpochSchedule::default();
|
|
let got_epochschedule_va = 0x100000000;
|
|
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: &got_epochschedule as *const _ as u64,
|
|
vm_addr: got_epochschedule_va,
|
|
len: size_of::<EpochSchedule>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallGetEpochScheduleSysvar {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(
|
|
got_epochschedule_va,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
result.unwrap();
|
|
assert_eq!(got_epochschedule, src_epochschedule);
|
|
}
|
|
|
|
// Test fees sysvar
|
|
{
|
|
let got_fees = Fees::default();
|
|
let got_fees_va = 0x100000000;
|
|
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: &got_fees as *const _ as u64,
|
|
vm_addr: got_fees_va,
|
|
len: size_of::<Fees>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallGetFeesSysvar {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(got_fees_va, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
assert_eq!(got_fees, src_fees);
|
|
}
|
|
|
|
// Test rent sysvar
|
|
{
|
|
let got_rent = Rent::default();
|
|
let got_rent_va = 0x100000000;
|
|
|
|
let memory_mapping = MemoryMapping::new::<UserError>(
|
|
vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: &got_rent as *const _ as u64,
|
|
vm_addr: got_rent_va,
|
|
len: size_of::<Rent>() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
],
|
|
&config,
|
|
)
|
|
.unwrap();
|
|
let mut syscall = SyscallGetRentSysvar {
|
|
invoke_context: Rc::new(RefCell::new(&mut invoke_context)),
|
|
};
|
|
|
|
let mut result: Result<u64, EbpfError<BpfError>> = Ok(0);
|
|
syscall.call(got_rent_va, 0, 0, 0, 0, &memory_mapping, &mut result);
|
|
result.unwrap();
|
|
assert_eq!(got_rent, src_rent);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_overlapping() {
|
|
assert!(!check_overlapping_do_not_use(10, 7, 3));
|
|
assert!(check_overlapping_do_not_use(10, 8, 3));
|
|
assert!(check_overlapping_do_not_use(10, 9, 3));
|
|
assert!(check_overlapping_do_not_use(10, 10, 3));
|
|
assert!(check_overlapping_do_not_use(10, 11, 3));
|
|
assert!(check_overlapping_do_not_use(10, 12, 3));
|
|
assert!(!check_overlapping_do_not_use(10, 13, 3));
|
|
}
|
|
|
|
fn call_program_address_common(
|
|
seeds: &[&[u8]],
|
|
program_id: &Pubkey,
|
|
syscall: &mut dyn SyscallObject<BpfError>,
|
|
) -> Result<(Pubkey, u8), EbpfError<BpfError>> {
|
|
const SEEDS_VA: u64 = 0x100000000;
|
|
const PROGRAM_ID_VA: u64 = 0x200000000;
|
|
const ADDRESS_VA: u64 = 0x300000000;
|
|
const BUMP_SEED_VA: u64 = 0x400000000;
|
|
const SEED_VA: u64 = 0x500000000;
|
|
|
|
let config = Config::default();
|
|
let address = Pubkey::default();
|
|
let bump_seed = 0;
|
|
let mut mock_slices = Vec::with_capacity(seeds.len());
|
|
let mut regions = vec![
|
|
MemoryRegion::default(),
|
|
MemoryRegion {
|
|
host_addr: mock_slices.as_ptr() as u64,
|
|
vm_addr: SEEDS_VA,
|
|
len: (seeds.len() * size_of::<MockSlice>()) as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: program_id.as_ref().as_ptr() as u64,
|
|
vm_addr: PROGRAM_ID_VA,
|
|
len: 32,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: address.as_ref().as_ptr() as u64,
|
|
vm_addr: ADDRESS_VA,
|
|
len: 32,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
MemoryRegion {
|
|
host_addr: &bump_seed as *const u8 as u64,
|
|
vm_addr: BUMP_SEED_VA,
|
|
len: 32,
|
|
vm_gap_shift: 63,
|
|
is_writable: true,
|
|
},
|
|
];
|
|
|
|
for (i, seed) in seeds.iter().enumerate() {
|
|
let vm_addr = SEED_VA + (i as u64 * 0x100000000);
|
|
let mock_slice = MockSlice {
|
|
vm_addr,
|
|
len: seed.len(),
|
|
};
|
|
mock_slices.push(mock_slice);
|
|
regions.push(MemoryRegion {
|
|
host_addr: seed.as_ptr() as u64,
|
|
vm_addr,
|
|
len: seed.len() as u64,
|
|
vm_gap_shift: 63,
|
|
is_writable: false,
|
|
});
|
|
}
|
|
let memory_mapping = MemoryMapping::new::<UserError>(regions, &config).unwrap();
|
|
|
|
let mut result = Ok(0);
|
|
syscall.call(
|
|
SEEDS_VA,
|
|
seeds.len() as u64,
|
|
PROGRAM_ID_VA,
|
|
ADDRESS_VA,
|
|
BUMP_SEED_VA,
|
|
&memory_mapping,
|
|
&mut result,
|
|
);
|
|
let _ = result?;
|
|
Ok((address, bump_seed))
|
|
}
|
|
|
|
fn create_program_address(
|
|
invoke_context: &mut InvokeContext,
|
|
seeds: &[&[u8]],
|
|
address: &Pubkey,
|
|
) -> Result<Pubkey, EbpfError<BpfError>> {
|
|
let mut syscall = SyscallCreateProgramAddress {
|
|
invoke_context: Rc::new(RefCell::new(invoke_context)),
|
|
};
|
|
let (address, _) = call_program_address_common(seeds, address, &mut syscall)?;
|
|
Ok(address)
|
|
}
|
|
|
|
fn try_find_program_address(
|
|
invoke_context: &mut InvokeContext,
|
|
seeds: &[&[u8]],
|
|
address: &Pubkey,
|
|
) -> Result<(Pubkey, u8), EbpfError<BpfError>> {
|
|
let mut syscall = SyscallTryFindProgramAddress {
|
|
invoke_context: Rc::new(RefCell::new(invoke_context)),
|
|
};
|
|
call_program_address_common(seeds, address, &mut syscall)
|
|
}
|
|
|
|
#[test]
|
|
fn test_create_program_address() {
|
|
// These tests duplicate the direct tests in solana_program::pubkey
|
|
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let address = bpf_loader_upgradeable::id();
|
|
|
|
let exceeded_seed = &[127; MAX_SEED_LEN + 1];
|
|
let result = create_program_address(&mut invoke_context, &[exceeded_seed], &address);
|
|
assert_eq!(
|
|
result,
|
|
Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into())
|
|
);
|
|
assert_eq!(
|
|
create_program_address(
|
|
&mut invoke_context,
|
|
&[b"short_seed", exceeded_seed],
|
|
&address,
|
|
),
|
|
Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into())
|
|
);
|
|
let max_seed = &[0; MAX_SEED_LEN];
|
|
assert!(create_program_address(&mut invoke_context, &[max_seed], &address).is_ok());
|
|
let exceeded_seeds: &[&[u8]] = &[
|
|
&[1],
|
|
&[2],
|
|
&[3],
|
|
&[4],
|
|
&[5],
|
|
&[6],
|
|
&[7],
|
|
&[8],
|
|
&[9],
|
|
&[10],
|
|
&[11],
|
|
&[12],
|
|
&[13],
|
|
&[14],
|
|
&[15],
|
|
&[16],
|
|
];
|
|
assert!(create_program_address(&mut invoke_context, exceeded_seeds, &address).is_ok());
|
|
let max_seeds: &[&[u8]] = &[
|
|
&[1],
|
|
&[2],
|
|
&[3],
|
|
&[4],
|
|
&[5],
|
|
&[6],
|
|
&[7],
|
|
&[8],
|
|
&[9],
|
|
&[10],
|
|
&[11],
|
|
&[12],
|
|
&[13],
|
|
&[14],
|
|
&[15],
|
|
&[16],
|
|
&[17],
|
|
];
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, max_seeds, &address),
|
|
Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into())
|
|
);
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, &[b"", &[1]], &address),
|
|
Ok("BwqrghZA2htAcqq8dzP1WDAhTXYTYWj7CHxF5j7TDBAe"
|
|
.parse()
|
|
.unwrap())
|
|
);
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, &["☉".as_ref(), &[0]], &address),
|
|
Ok("13yWmRpaTR4r5nAktwLqMpRNr28tnVUZw26rTvPSSB19"
|
|
.parse()
|
|
.unwrap())
|
|
);
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, &[b"Talking", b"Squirrels"], &address),
|
|
Ok("2fnQrngrQT4SeLcdToJAD96phoEjNL2man2kfRLCASVk"
|
|
.parse()
|
|
.unwrap())
|
|
);
|
|
let public_key = Pubkey::from_str("SeedPubey1111111111111111111111111111111111").unwrap();
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, &[public_key.as_ref(), &[1]], &address),
|
|
Ok("976ymqVnfE32QFe6NfGDctSvVa36LWnvYxhU6G2232YL"
|
|
.parse()
|
|
.unwrap())
|
|
);
|
|
assert_ne!(
|
|
create_program_address(&mut invoke_context, &[b"Talking", b"Squirrels"], &address)
|
|
.unwrap(),
|
|
create_program_address(&mut invoke_context, &[b"Talking"], &address).unwrap(),
|
|
);
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(0);
|
|
assert_eq!(
|
|
create_program_address(&mut invoke_context, &[b"", &[1]], &address),
|
|
Err(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
.into()
|
|
)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_find_program_address() {
|
|
let program_id = Pubkey::new_unique();
|
|
let mut transaction_context = TransactionContext::new(
|
|
vec![(program_id, AccountSharedData::new(0, 0, &bpf_loader::id()))],
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context.push(&[], &[0], &[]).unwrap();
|
|
let cost = invoke_context
|
|
.get_compute_budget()
|
|
.create_program_address_units;
|
|
let address = bpf_loader_upgradeable::id();
|
|
let max_tries = 256; // one per seed
|
|
|
|
for _ in 0..1_000 {
|
|
let address = Pubkey::new_unique();
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * max_tries);
|
|
let (found_address, bump_seed) =
|
|
try_find_program_address(&mut invoke_context, &[b"Lil'", b"Bits"], &address)
|
|
.unwrap();
|
|
assert_eq!(
|
|
found_address,
|
|
create_program_address(
|
|
&mut invoke_context,
|
|
&[b"Lil'", b"Bits", &[bump_seed]],
|
|
&address,
|
|
)
|
|
.unwrap()
|
|
);
|
|
}
|
|
|
|
let seeds: &[&[u8]] = &[b""];
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * max_tries);
|
|
let (_, bump_seed) =
|
|
try_find_program_address(&mut invoke_context, seeds, &address).unwrap();
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * (max_tries - bump_seed as u64));
|
|
try_find_program_address(&mut invoke_context, seeds, &address).unwrap();
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * (max_tries - bump_seed as u64 - 1));
|
|
assert_eq!(
|
|
try_find_program_address(&mut invoke_context, seeds, &address),
|
|
Err(
|
|
SyscallError::InstructionError(InstructionError::ComputationalBudgetExceeded)
|
|
.into()
|
|
)
|
|
);
|
|
|
|
let exceeded_seed = &[127; MAX_SEED_LEN + 1];
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * (max_tries - 1));
|
|
assert_eq!(
|
|
try_find_program_address(&mut invoke_context, &[exceeded_seed], &address),
|
|
Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into())
|
|
);
|
|
let exceeded_seeds: &[&[u8]] = &[
|
|
&[1],
|
|
&[2],
|
|
&[3],
|
|
&[4],
|
|
&[5],
|
|
&[6],
|
|
&[7],
|
|
&[8],
|
|
&[9],
|
|
&[10],
|
|
&[11],
|
|
&[12],
|
|
&[13],
|
|
&[14],
|
|
&[15],
|
|
&[16],
|
|
&[17],
|
|
];
|
|
invoke_context
|
|
.get_compute_meter()
|
|
.borrow_mut()
|
|
.mock_set_remaining(cost * (max_tries - 1));
|
|
assert_eq!(
|
|
try_find_program_address(&mut invoke_context, exceeded_seeds, &address),
|
|
Err(SyscallError::BadSeeds(PubkeyError::MaxSeedLengthExceeded).into())
|
|
);
|
|
}
|
|
}
|