950 lines
35 KiB
Rust
950 lines
35 KiB
Rust
#![allow(clippy::integer_arithmetic)]
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use {
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byteorder::{ByteOrder, LittleEndian},
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solana_rbpf::{
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aligned_memory::{AlignedMemory, Pod},
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ebpf::{HOST_ALIGN, MM_INPUT_START},
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memory_region::MemoryRegion,
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},
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solana_sdk::{
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bpf_loader_deprecated,
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entrypoint::{BPF_ALIGN_OF_U128, MAX_PERMITTED_DATA_INCREASE, NON_DUP_MARKER},
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instruction::InstructionError,
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pubkey::Pubkey,
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system_instruction::MAX_PERMITTED_DATA_LENGTH,
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transaction_context::{
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BorrowedAccount, IndexOfAccount, InstructionContext, TransactionContext,
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},
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},
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std::{mem, mem::size_of},
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};
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/// Maximum number of instruction accounts that can be serialized into the
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/// SBF VM.
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const MAX_INSTRUCTION_ACCOUNTS: u8 = NON_DUP_MARKER;
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enum SerializeAccount<'a> {
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Account(IndexOfAccount, BorrowedAccount<'a>),
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Duplicate(IndexOfAccount),
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}
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struct Serializer {
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pub buffer: AlignedMemory<HOST_ALIGN>,
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regions: Vec<MemoryRegion>,
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vaddr: u64,
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region_start: usize,
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aligned: bool,
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}
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impl Serializer {
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fn new(size: usize, start_addr: u64, aligned: bool) -> Serializer {
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Serializer {
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buffer: AlignedMemory::with_capacity(size),
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regions: Vec::new(),
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region_start: 0,
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vaddr: start_addr,
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aligned,
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}
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}
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fn fill_write(&mut self, num: usize, value: u8) -> std::io::Result<()> {
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self.buffer.fill_write(num, value)
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}
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pub fn write<T: Pod>(&mut self, value: T) {
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self.debug_assert_alignment::<T>();
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// Safety:
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// in serialize_parameters_(aligned|unaligned) first we compute the
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// required size then we write into the newly allocated buffer. There's
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// no need to check bounds at every write.
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//
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// AlignedMemory::write_unchecked _does_ debug_assert!() that the capacity
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// is enough, so in the unlikely case we introduce a bug in the size
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// computation, tests will abort.
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unsafe {
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self.buffer.write_unchecked(value);
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}
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}
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fn write_all(&mut self, value: &[u8]) {
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// Safety:
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// see write() - the buffer is guaranteed to be large enough
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unsafe {
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self.buffer.write_all_unchecked(value);
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}
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}
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fn write_account(&mut self, account: &BorrowedAccount<'_>) -> Result<(), InstructionError> {
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self.write_all(account.get_data());
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if self.aligned {
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let align_offset =
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(account.get_data().len() as *const u8).align_offset(BPF_ALIGN_OF_U128);
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self.fill_write(MAX_PERMITTED_DATA_INCREASE + align_offset, 0)
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.map_err(|_| InstructionError::InvalidArgument)?;
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}
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Ok(())
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}
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fn push_region(&mut self) {
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let range = self.region_start..self.buffer.len();
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let region = MemoryRegion::new_writable(
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self.buffer.as_slice_mut().get_mut(range.clone()).unwrap(),
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self.vaddr,
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);
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self.regions.push(region);
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self.region_start = range.end;
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self.vaddr += range.len() as u64;
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}
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fn finish(mut self) -> (AlignedMemory<HOST_ALIGN>, Vec<MemoryRegion>) {
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self.push_region();
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debug_assert_eq!(self.region_start, self.buffer.len());
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(self.buffer, self.regions)
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}
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fn debug_assert_alignment<T>(&self) {
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debug_assert!(
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!self.aligned
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|| self
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.buffer
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.as_slice()
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.as_ptr_range()
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.end
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.align_offset(mem::align_of::<T>())
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== 0
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);
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}
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}
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pub fn serialize_parameters(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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should_cap_ix_accounts: bool,
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) -> Result<(AlignedMemory<HOST_ALIGN>, Vec<MemoryRegion>, Vec<usize>), InstructionError> {
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let num_ix_accounts = instruction_context.get_number_of_instruction_accounts();
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if should_cap_ix_accounts && num_ix_accounts > MAX_INSTRUCTION_ACCOUNTS as IndexOfAccount {
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return Err(InstructionError::MaxAccountsExceeded);
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}
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let is_loader_deprecated = *instruction_context
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.try_borrow_last_program_account(transaction_context)?
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.get_owner()
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== bpf_loader_deprecated::id();
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let num_accounts = instruction_context.get_number_of_instruction_accounts() as usize;
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let mut accounts = Vec::with_capacity(num_accounts);
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let mut account_lengths: Vec<usize> = Vec::with_capacity(num_accounts);
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for instruction_account_index in 0..instruction_context.get_number_of_instruction_accounts() {
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if let Some(index) =
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instruction_context.is_instruction_account_duplicate(instruction_account_index)?
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{
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accounts.push(SerializeAccount::Duplicate(index));
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// unwrap here is safe: if an account is a duplicate, we must have
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// seen the original already
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account_lengths.push(*account_lengths.get(index as usize).unwrap());
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} else {
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let account = instruction_context
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.try_borrow_instruction_account(transaction_context, instruction_account_index)?;
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account_lengths.push(account.get_data().len());
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accounts.push(SerializeAccount::Account(
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instruction_account_index,
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account,
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));
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};
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}
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if is_loader_deprecated {
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serialize_parameters_unaligned(transaction_context, instruction_context, accounts)
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} else {
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serialize_parameters_aligned(transaction_context, instruction_context, accounts)
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}
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.map(|(buffer, regions)| (buffer, regions, account_lengths))
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}
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pub fn deserialize_parameters(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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buffer: &[u8],
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account_lengths: &[usize],
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) -> Result<(), InstructionError> {
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let is_loader_deprecated = *instruction_context
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.try_borrow_last_program_account(transaction_context)?
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.get_owner()
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== bpf_loader_deprecated::id();
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if is_loader_deprecated {
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deserialize_parameters_unaligned(
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transaction_context,
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instruction_context,
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buffer,
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account_lengths,
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)
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} else {
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deserialize_parameters_aligned(
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transaction_context,
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instruction_context,
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buffer,
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account_lengths,
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)
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}
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}
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fn serialize_parameters_unaligned(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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accounts: Vec<SerializeAccount>,
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) -> Result<(AlignedMemory<HOST_ALIGN>, Vec<MemoryRegion>), InstructionError> {
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// Calculate size in order to alloc once
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let mut size = size_of::<u64>();
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for account in &accounts {
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size += 1; // dup
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match account {
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SerializeAccount::Duplicate(_) => {}
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SerializeAccount::Account(_, account) => {
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size += size_of::<u8>() // is_signer
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+ size_of::<u8>() // is_writable
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+ size_of::<Pubkey>() // key
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+ size_of::<u64>() // lamports
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+ size_of::<u64>() // data len
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+ account.get_data().len() // data
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+ size_of::<Pubkey>() // owner
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+ size_of::<u8>() // executable
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+ size_of::<u64>(); // rent_epoch
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}
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}
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}
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size += size_of::<u64>() // instruction data len
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+ instruction_context.get_instruction_data().len() // instruction data
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+ size_of::<Pubkey>(); // program id
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let mut s = Serializer::new(size, MM_INPUT_START, false);
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s.write::<u64>((accounts.len() as u64).to_le());
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for account in accounts {
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match account {
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SerializeAccount::Duplicate(position) => s.write(position as u8),
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SerializeAccount::Account(_, account) => {
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s.write::<u8>(NON_DUP_MARKER);
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s.write::<u8>(account.is_signer() as u8);
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s.write::<u8>(account.is_writable() as u8);
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s.write_all(account.get_key().as_ref());
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s.write::<u64>(account.get_lamports().to_le());
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s.write::<u64>((account.get_data().len() as u64).to_le());
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s.write_account(&account)
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.map_err(|_| InstructionError::InvalidArgument)?;
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s.write_all(account.get_owner().as_ref());
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s.write::<u8>(account.is_executable() as u8);
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s.write::<u64>((account.get_rent_epoch()).to_le());
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}
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};
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}
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s.write::<u64>((instruction_context.get_instruction_data().len() as u64).to_le());
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s.write_all(instruction_context.get_instruction_data());
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s.write_all(
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instruction_context
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.try_borrow_last_program_account(transaction_context)?
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.get_key()
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.as_ref(),
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);
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Ok(s.finish())
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}
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pub fn deserialize_parameters_unaligned(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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buffer: &[u8],
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account_lengths: &[usize],
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) -> Result<(), InstructionError> {
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let mut start = size_of::<u64>(); // number of accounts
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for (instruction_account_index, pre_len) in
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(0..instruction_context.get_number_of_instruction_accounts()).zip(account_lengths.iter())
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{
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let duplicate =
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instruction_context.is_instruction_account_duplicate(instruction_account_index)?;
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start += 1; // is_dup
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if duplicate.is_none() {
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let mut borrowed_account = instruction_context
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.try_borrow_instruction_account(transaction_context, instruction_account_index)?;
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start += size_of::<u8>(); // is_signer
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start += size_of::<u8>(); // is_writable
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start += size_of::<Pubkey>(); // key
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let lamports = LittleEndian::read_u64(
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buffer
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.get(start..)
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.ok_or(InstructionError::InvalidArgument)?,
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);
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if borrowed_account.get_lamports() != lamports {
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borrowed_account.set_lamports(lamports)?;
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}
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start += size_of::<u64>() // lamports
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+ size_of::<u64>(); // data length
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let data = buffer
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.get(start..start + pre_len)
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.ok_or(InstructionError::InvalidArgument)?;
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// The redundant check helps to avoid the expensive data comparison if we can
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match borrowed_account
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.can_data_be_resized(data.len())
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.and_then(|_| borrowed_account.can_data_be_changed())
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{
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Ok(()) => borrowed_account.set_data_from_slice(data)?,
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Err(err) if borrowed_account.get_data() != data => return Err(err),
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_ => {}
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}
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start += pre_len // data
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+ size_of::<Pubkey>() // owner
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+ size_of::<u8>() // executable
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+ size_of::<u64>(); // rent_epoch
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}
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}
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Ok(())
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}
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fn serialize_parameters_aligned(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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accounts: Vec<SerializeAccount>,
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) -> Result<(AlignedMemory<HOST_ALIGN>, Vec<MemoryRegion>), InstructionError> {
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// Calculate size in order to alloc once
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let mut size = size_of::<u64>();
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for account in &accounts {
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size += 1; // dup
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match account {
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SerializeAccount::Duplicate(_) => size += 7, // padding to 64-bit aligned
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SerializeAccount::Account(_, account) => {
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let data_len = account.get_data().len();
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size += size_of::<u8>() // is_signer
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+ size_of::<u8>() // is_writable
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+ size_of::<u8>() // executable
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+ size_of::<u32>() // original_data_len
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+ size_of::<Pubkey>() // key
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+ size_of::<Pubkey>() // owner
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+ size_of::<u64>() // lamports
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+ size_of::<u64>() // data len
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+ data_len
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+ MAX_PERMITTED_DATA_INCREASE
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+ (data_len as *const u8).align_offset(BPF_ALIGN_OF_U128)
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+ size_of::<u64>(); // rent epoch
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}
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}
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}
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size += size_of::<u64>() // data len
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+ instruction_context.get_instruction_data().len()
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+ size_of::<Pubkey>(); // program id;
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let mut s = Serializer::new(size, MM_INPUT_START, true);
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// Serialize into the buffer
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s.write::<u64>((accounts.len() as u64).to_le());
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for account in accounts {
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match account {
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SerializeAccount::Account(_, borrowed_account) => {
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s.write::<u8>(NON_DUP_MARKER);
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s.write::<u8>(borrowed_account.is_signer() as u8);
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s.write::<u8>(borrowed_account.is_writable() as u8);
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s.write::<u8>(borrowed_account.is_executable() as u8);
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s.write_all(&[0u8, 0, 0, 0]);
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s.write_all(borrowed_account.get_key().as_ref());
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s.write_all(borrowed_account.get_owner().as_ref());
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s.write::<u64>(borrowed_account.get_lamports().to_le());
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s.write::<u64>((borrowed_account.get_data().len() as u64).to_le());
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s.write_account(&borrowed_account)
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.map_err(|_| InstructionError::InvalidArgument)?;
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s.write::<u64>((borrowed_account.get_rent_epoch()).to_le());
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}
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SerializeAccount::Duplicate(position) => {
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s.write::<u8>(position as u8);
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s.write_all(&[0u8, 0, 0, 0, 0, 0, 0]);
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}
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};
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}
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s.write::<u64>((instruction_context.get_instruction_data().len() as u64).to_le());
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s.write_all(instruction_context.get_instruction_data());
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s.write_all(
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instruction_context
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.try_borrow_last_program_account(transaction_context)?
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.get_key()
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.as_ref(),
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);
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Ok(s.finish())
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}
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pub fn deserialize_parameters_aligned(
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transaction_context: &TransactionContext,
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instruction_context: &InstructionContext,
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buffer: &[u8],
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account_lengths: &[usize],
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) -> Result<(), InstructionError> {
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let mut start = size_of::<u64>(); // number of accounts
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for (instruction_account_index, pre_len) in
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(0..instruction_context.get_number_of_instruction_accounts()).zip(account_lengths.iter())
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{
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let duplicate =
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instruction_context.is_instruction_account_duplicate(instruction_account_index)?;
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start += size_of::<u8>(); // position
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if duplicate.is_some() {
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start += 7; // padding to 64-bit aligned
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} else {
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let mut borrowed_account = instruction_context
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.try_borrow_instruction_account(transaction_context, instruction_account_index)?;
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start += size_of::<u8>() // is_signer
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+ size_of::<u8>() // is_writable
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+ size_of::<u8>() // executable
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+ size_of::<u32>() // original_data_len
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+ size_of::<Pubkey>(); // key
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let owner = buffer
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.get(start..start + size_of::<Pubkey>())
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.ok_or(InstructionError::InvalidArgument)?;
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start += size_of::<Pubkey>(); // owner
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let lamports = LittleEndian::read_u64(
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buffer
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.get(start..)
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.ok_or(InstructionError::InvalidArgument)?,
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);
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if borrowed_account.get_lamports() != lamports {
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borrowed_account.set_lamports(lamports)?;
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}
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start += size_of::<u64>(); // lamports
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let post_len = LittleEndian::read_u64(
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buffer
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.get(start..)
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.ok_or(InstructionError::InvalidArgument)?,
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) as usize;
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start += size_of::<u64>(); // data length
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if post_len.saturating_sub(*pre_len) > MAX_PERMITTED_DATA_INCREASE
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|| post_len > MAX_PERMITTED_DATA_LENGTH as usize
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{
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return Err(InstructionError::InvalidRealloc);
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}
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let data_end = start + post_len;
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let data = buffer
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.get(start..data_end)
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.ok_or(InstructionError::InvalidArgument)?;
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// The redundant check helps to avoid the expensive data comparison if we can
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match borrowed_account
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.can_data_be_resized(data.len())
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.and_then(|_| borrowed_account.can_data_be_changed())
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{
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Ok(()) => borrowed_account.set_data_from_slice(data)?,
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Err(err) if borrowed_account.get_data() != data => return Err(err),
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_ => {}
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}
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start += *pre_len + MAX_PERMITTED_DATA_INCREASE; // data
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start += (start as *const u8).align_offset(BPF_ALIGN_OF_U128);
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start += size_of::<u64>(); // rent_epoch
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if borrowed_account.get_owner().to_bytes() != owner {
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// Change the owner at the end so that we are allowed to change the lamports and data before
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borrowed_account.set_owner(owner)?;
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}
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}
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}
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Ok(())
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}
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#[cfg(test)]
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mod tests {
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use {
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super::*,
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solana_program_runtime::invoke_context::{prepare_mock_invoke_context, InvokeContext},
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solana_sdk::{
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account::{Account, AccountSharedData, ReadableAccount, WritableAccount},
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account_info::AccountInfo,
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bpf_loader,
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entrypoint::deserialize,
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instruction::AccountMeta,
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sysvar::rent::Rent,
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},
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std::{
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cell::RefCell,
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rc::Rc,
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slice::{from_raw_parts, from_raw_parts_mut},
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},
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};
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#[test]
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fn test_serialize_parameters_with_many_accounts() {
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struct TestCase {
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num_ix_accounts: usize,
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append_dup_account: bool,
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should_cap_ix_accounts: bool,
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expected_err: Option<InstructionError>,
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name: &'static str,
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}
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for TestCase {
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num_ix_accounts,
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append_dup_account,
|
|
should_cap_ix_accounts,
|
|
expected_err,
|
|
name,
|
|
} in [
|
|
TestCase {
|
|
name: "serialize max accounts without cap",
|
|
num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS),
|
|
should_cap_ix_accounts: false,
|
|
append_dup_account: false,
|
|
expected_err: None,
|
|
},
|
|
TestCase {
|
|
name: "serialize max accounts and append dup without cap",
|
|
num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS),
|
|
should_cap_ix_accounts: false,
|
|
append_dup_account: true,
|
|
expected_err: None,
|
|
},
|
|
TestCase {
|
|
name: "serialize max accounts with cap",
|
|
num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS),
|
|
should_cap_ix_accounts: true,
|
|
append_dup_account: false,
|
|
expected_err: None,
|
|
},
|
|
TestCase {
|
|
name: "serialize too many accounts with cap",
|
|
num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS) + 1,
|
|
should_cap_ix_accounts: true,
|
|
append_dup_account: false,
|
|
expected_err: Some(InstructionError::MaxAccountsExceeded),
|
|
},
|
|
TestCase {
|
|
name: "serialize too many accounts and append dup with cap",
|
|
num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS),
|
|
should_cap_ix_accounts: true,
|
|
append_dup_account: true,
|
|
expected_err: Some(InstructionError::MaxAccountsExceeded),
|
|
},
|
|
// This test case breaks parameter deserialization and can be cleaned up
|
|
// when should_cap_ix_accounts is enabled.
|
|
//
|
|
// TestCase {
|
|
// name: "serialize too many accounts and append dup without cap",
|
|
// num_ix_accounts: usize::from(MAX_INSTRUCTION_ACCOUNTS) + 1,
|
|
// should_cap_ix_accounts: false,
|
|
// append_dup_account: true,
|
|
// expected_err: None,
|
|
// },
|
|
] {
|
|
let program_id = solana_sdk::pubkey::new_rand();
|
|
let mut transaction_accounts = vec![(
|
|
program_id,
|
|
AccountSharedData::from(Account {
|
|
lamports: 0,
|
|
data: vec![],
|
|
owner: bpf_loader::id(),
|
|
executable: true,
|
|
rent_epoch: 0,
|
|
}),
|
|
)];
|
|
|
|
let instruction_account_keys: Vec<Pubkey> =
|
|
(0..num_ix_accounts).map(|_| Pubkey::new_unique()).collect();
|
|
|
|
for key in &instruction_account_keys {
|
|
transaction_accounts.push((
|
|
*key,
|
|
AccountSharedData::from(Account {
|
|
lamports: 0,
|
|
data: vec![],
|
|
owner: program_id,
|
|
executable: false,
|
|
rent_epoch: 0,
|
|
}),
|
|
));
|
|
}
|
|
|
|
let mut instruction_account_metas: Vec<_> = instruction_account_keys
|
|
.iter()
|
|
.map(|key| AccountMeta::new_readonly(*key, false))
|
|
.collect();
|
|
if append_dup_account {
|
|
instruction_account_metas.push(instruction_account_metas.last().cloned().unwrap());
|
|
}
|
|
|
|
let program_indices = [0];
|
|
let instruction_accounts = prepare_mock_invoke_context(
|
|
transaction_accounts.clone(),
|
|
instruction_account_metas,
|
|
&program_indices,
|
|
)
|
|
.instruction_accounts;
|
|
let instruction_data = vec![];
|
|
|
|
let mut transaction_context =
|
|
TransactionContext::new(transaction_accounts, Some(Rent::default()), 1, 1);
|
|
transaction_context
|
|
.get_next_instruction_context()
|
|
.unwrap()
|
|
.configure(&program_indices, &instruction_accounts, &instruction_data);
|
|
transaction_context.push().unwrap();
|
|
let instruction_context = transaction_context
|
|
.get_instruction_context_at_index_in_trace(0)
|
|
.unwrap();
|
|
|
|
let serialization_result = serialize_parameters(
|
|
&transaction_context,
|
|
instruction_context,
|
|
should_cap_ix_accounts,
|
|
);
|
|
assert_eq!(
|
|
serialization_result.as_ref().err(),
|
|
expected_err.as_ref(),
|
|
"{} test case failed",
|
|
name
|
|
);
|
|
if expected_err.is_some() {
|
|
continue;
|
|
}
|
|
|
|
let (mut serialized, _regions, _account_lengths) = serialization_result.unwrap();
|
|
let (de_program_id, de_accounts, de_instruction_data) =
|
|
unsafe { deserialize(serialized.as_slice_mut().first_mut().unwrap() as *mut u8) };
|
|
assert_eq!(de_program_id, &program_id);
|
|
assert_eq!(de_instruction_data, &instruction_data);
|
|
for (index, account_info) in de_accounts.into_iter().enumerate() {
|
|
let ix_account = &instruction_accounts.get(index).unwrap();
|
|
assert_eq!(
|
|
account_info.key,
|
|
transaction_context
|
|
.get_key_of_account_at_index(ix_account.index_in_transaction)
|
|
.unwrap()
|
|
);
|
|
assert_eq!(account_info.owner, &program_id);
|
|
assert!(!account_info.executable);
|
|
assert!(account_info.data_is_empty());
|
|
assert!(!account_info.is_writable);
|
|
assert!(!account_info.is_signer);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_serialize_parameters() {
|
|
let program_id = solana_sdk::pubkey::new_rand();
|
|
let transaction_accounts = vec![
|
|
(
|
|
program_id,
|
|
AccountSharedData::from(Account {
|
|
lamports: 0,
|
|
data: vec![],
|
|
owner: bpf_loader::id(),
|
|
executable: true,
|
|
rent_epoch: 0,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 1,
|
|
data: vec![1u8, 2, 3, 4, 5],
|
|
owner: bpf_loader::id(),
|
|
executable: false,
|
|
rent_epoch: 100,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 2,
|
|
data: vec![11u8, 12, 13, 14, 15, 16, 17, 18, 19],
|
|
owner: bpf_loader::id(),
|
|
executable: true,
|
|
rent_epoch: 200,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 3,
|
|
data: vec![],
|
|
owner: bpf_loader::id(),
|
|
executable: false,
|
|
rent_epoch: 3100,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 4,
|
|
data: vec![1u8, 2, 3, 4, 5],
|
|
owner: bpf_loader::id(),
|
|
executable: false,
|
|
rent_epoch: 100,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 5,
|
|
data: vec![11u8, 12, 13, 14, 15, 16, 17, 18, 19],
|
|
owner: bpf_loader::id(),
|
|
executable: true,
|
|
rent_epoch: 200,
|
|
}),
|
|
),
|
|
(
|
|
solana_sdk::pubkey::new_rand(),
|
|
AccountSharedData::from(Account {
|
|
lamports: 6,
|
|
data: vec![],
|
|
owner: bpf_loader::id(),
|
|
executable: false,
|
|
rent_epoch: 3100,
|
|
}),
|
|
),
|
|
];
|
|
let instruction_accounts = [1, 1, 2, 3, 4, 4, 5, 6]
|
|
.into_iter()
|
|
.enumerate()
|
|
.map(
|
|
|(instruction_account_index, index_in_transaction)| AccountMeta {
|
|
pubkey: transaction_accounts.get(index_in_transaction).unwrap().0,
|
|
is_signer: false,
|
|
is_writable: instruction_account_index >= 4,
|
|
},
|
|
)
|
|
.collect();
|
|
let instruction_data = vec![1u8, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
|
|
let program_indices = [0];
|
|
let mut original_accounts = transaction_accounts.clone();
|
|
let preparation = prepare_mock_invoke_context(
|
|
transaction_accounts,
|
|
instruction_accounts,
|
|
&program_indices,
|
|
);
|
|
let mut transaction_context = TransactionContext::new(
|
|
preparation.transaction_accounts,
|
|
Some(Rent::default()),
|
|
1,
|
|
1,
|
|
);
|
|
let mut invoke_context = InvokeContext::new_mock(&mut transaction_context, &[]);
|
|
invoke_context
|
|
.transaction_context
|
|
.get_next_instruction_context()
|
|
.unwrap()
|
|
.configure(
|
|
&program_indices,
|
|
&preparation.instruction_accounts,
|
|
&instruction_data,
|
|
);
|
|
invoke_context.push().unwrap();
|
|
let instruction_context = invoke_context
|
|
.transaction_context
|
|
.get_current_instruction_context()
|
|
.unwrap();
|
|
|
|
// check serialize_parameters_aligned
|
|
|
|
let (mut serialized, _regions, account_lengths) = serialize_parameters(
|
|
invoke_context.transaction_context,
|
|
instruction_context,
|
|
true,
|
|
)
|
|
.unwrap();
|
|
|
|
let (de_program_id, de_accounts, de_instruction_data) =
|
|
unsafe { deserialize(serialized.as_slice_mut().first_mut().unwrap() as *mut u8) };
|
|
|
|
assert_eq!(&program_id, de_program_id);
|
|
assert_eq!(instruction_data, de_instruction_data);
|
|
assert_eq!(
|
|
(de_instruction_data.first().unwrap() as *const u8).align_offset(BPF_ALIGN_OF_U128),
|
|
0
|
|
);
|
|
for account_info in de_accounts {
|
|
let index_in_transaction = invoke_context
|
|
.transaction_context
|
|
.find_index_of_account(account_info.key)
|
|
.unwrap();
|
|
let account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(index_in_transaction)
|
|
.unwrap()
|
|
.borrow();
|
|
assert_eq!(account.lamports(), account_info.lamports());
|
|
assert_eq!(account.data(), &account_info.data.borrow()[..]);
|
|
assert_eq!(account.owner(), account_info.owner);
|
|
assert_eq!(account.executable(), account_info.executable);
|
|
assert_eq!(account.rent_epoch(), account_info.rent_epoch);
|
|
|
|
assert_eq!(
|
|
(*account_info.lamports.borrow() as *const u64).align_offset(BPF_ALIGN_OF_U128),
|
|
0
|
|
);
|
|
assert_eq!(
|
|
account_info
|
|
.data
|
|
.borrow()
|
|
.as_ptr()
|
|
.align_offset(BPF_ALIGN_OF_U128),
|
|
0
|
|
);
|
|
}
|
|
|
|
deserialize_parameters(
|
|
invoke_context.transaction_context,
|
|
instruction_context,
|
|
serialized.as_slice(),
|
|
&account_lengths,
|
|
)
|
|
.unwrap();
|
|
for (index_in_transaction, (_key, original_account)) in original_accounts.iter().enumerate()
|
|
{
|
|
let account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(index_in_transaction as IndexOfAccount)
|
|
.unwrap()
|
|
.borrow();
|
|
assert_eq!(&*account, original_account);
|
|
}
|
|
|
|
// check serialize_parameters_unaligned
|
|
original_accounts
|
|
.first_mut()
|
|
.unwrap()
|
|
.1
|
|
.set_owner(bpf_loader_deprecated::id());
|
|
invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(0)
|
|
.unwrap()
|
|
.borrow_mut()
|
|
.set_owner(bpf_loader_deprecated::id());
|
|
|
|
let (mut serialized, _regions, account_lengths) = serialize_parameters(
|
|
invoke_context.transaction_context,
|
|
instruction_context,
|
|
true,
|
|
)
|
|
.unwrap();
|
|
|
|
let (de_program_id, de_accounts, de_instruction_data) = unsafe {
|
|
deserialize_unaligned(serialized.as_slice_mut().first_mut().unwrap() as *mut u8)
|
|
};
|
|
assert_eq!(&program_id, de_program_id);
|
|
assert_eq!(instruction_data, de_instruction_data);
|
|
for account_info in de_accounts {
|
|
let index_in_transaction = invoke_context
|
|
.transaction_context
|
|
.find_index_of_account(account_info.key)
|
|
.unwrap();
|
|
let account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(index_in_transaction)
|
|
.unwrap()
|
|
.borrow();
|
|
assert_eq!(account.lamports(), account_info.lamports());
|
|
assert_eq!(account.data(), &account_info.data.borrow()[..]);
|
|
assert_eq!(account.owner(), account_info.owner);
|
|
assert_eq!(account.executable(), account_info.executable);
|
|
assert_eq!(account.rent_epoch(), account_info.rent_epoch);
|
|
}
|
|
|
|
deserialize_parameters(
|
|
invoke_context.transaction_context,
|
|
instruction_context,
|
|
serialized.as_slice(),
|
|
&account_lengths,
|
|
)
|
|
.unwrap();
|
|
for (index_in_transaction, (_key, original_account)) in original_accounts.iter().enumerate()
|
|
{
|
|
let account = invoke_context
|
|
.transaction_context
|
|
.get_account_at_index(index_in_transaction as IndexOfAccount)
|
|
.unwrap()
|
|
.borrow();
|
|
assert_eq!(&*account, original_account);
|
|
}
|
|
}
|
|
|
|
// the old bpf_loader in-program deserializer bpf_loader::id()
|
|
#[allow(clippy::type_complexity)]
|
|
pub unsafe fn deserialize_unaligned<'a>(
|
|
input: *mut u8,
|
|
) -> (&'a Pubkey, Vec<AccountInfo<'a>>, &'a [u8]) {
|
|
let mut offset: usize = 0;
|
|
|
|
// number of accounts present
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let num_accounts = *(input.add(offset) as *const u64) as usize;
|
|
offset += size_of::<u64>();
|
|
|
|
// account Infos
|
|
|
|
let mut accounts = Vec::with_capacity(num_accounts);
|
|
for _ in 0..num_accounts {
|
|
let dup_info = *(input.add(offset) as *const u8);
|
|
offset += size_of::<u8>();
|
|
if dup_info == NON_DUP_MARKER {
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let is_signer = *(input.add(offset) as *const u8) != 0;
|
|
offset += size_of::<u8>();
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let is_writable = *(input.add(offset) as *const u8) != 0;
|
|
offset += size_of::<u8>();
|
|
|
|
let key: &Pubkey = &*(input.add(offset) as *const Pubkey);
|
|
offset += size_of::<Pubkey>();
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let lamports = Rc::new(RefCell::new(&mut *(input.add(offset) as *mut u64)));
|
|
offset += size_of::<u64>();
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let data_len = *(input.add(offset) as *const u64) as usize;
|
|
offset += size_of::<u64>();
|
|
|
|
let data = Rc::new(RefCell::new({
|
|
from_raw_parts_mut(input.add(offset), data_len)
|
|
}));
|
|
offset += data_len;
|
|
|
|
let owner: &Pubkey = &*(input.add(offset) as *const Pubkey);
|
|
offset += size_of::<Pubkey>();
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let executable = *(input.add(offset) as *const u8) != 0;
|
|
offset += size_of::<u8>();
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let rent_epoch = *(input.add(offset) as *const u64);
|
|
offset += size_of::<u64>();
|
|
|
|
accounts.push(AccountInfo {
|
|
key,
|
|
is_signer,
|
|
is_writable,
|
|
lamports,
|
|
data,
|
|
owner,
|
|
executable,
|
|
rent_epoch,
|
|
});
|
|
} else {
|
|
// duplicate account, clone the original
|
|
accounts.push(accounts.get(dup_info as usize).unwrap().clone());
|
|
}
|
|
}
|
|
|
|
// instruction data
|
|
|
|
#[allow(clippy::cast_ptr_alignment)]
|
|
let instruction_data_len = *(input.add(offset) as *const u64) as usize;
|
|
offset += size_of::<u64>();
|
|
|
|
let instruction_data = { from_raw_parts(input.add(offset), instruction_data_len) };
|
|
offset += instruction_data_len;
|
|
|
|
// program Id
|
|
|
|
let program_id: &Pubkey = &*(input.add(offset) as *const Pubkey);
|
|
|
|
(program_id, accounts, instruction_data)
|
|
}
|
|
}
|