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//! The original and current Solana message format.
//!
//! This crate defines two versions of `Message` in their own modules:
//! [`legacy`] and [`v0`]. `legacy` is the current version as of Solana 1.10.0.
//! `v0` is a [future message format] that encodes more account keys into a
//! transaction than the legacy format.
//!
//! [`legacy`]: crate::message::legacy
//! [`v0`]: crate::message::v0
//! [future message format]: https://docs.solanalabs.com/proposals/versioned-transactions
#![allow(clippy::arithmetic_side_effects)]
use {
crate::{
bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable,
hash::Hash,
instruction::{CompiledInstruction, Instruction},
message::{compiled_keys::CompiledKeys, MessageHeader},
pubkey::Pubkey,
sanitize::{Sanitize, SanitizeError},
short_vec, system_instruction, system_program, sysvar, wasm_bindgen,
},
lazy_static::lazy_static,
std::{convert::TryFrom, str::FromStr},
};
lazy_static! {
// This will be deprecated and so this list shouldn't be modified
pub static ref BUILTIN_PROGRAMS_KEYS: [Pubkey; 10] = {
let parse = |s| Pubkey::from_str(s).unwrap();
[
parse("Config1111111111111111111111111111111111111"),
parse("Feature111111111111111111111111111111111111"),
parse("NativeLoader1111111111111111111111111111111"),
parse("Stake11111111111111111111111111111111111111"),
parse("StakeConfig11111111111111111111111111111111"),
parse("Vote111111111111111111111111111111111111111"),
system_program::id(),
bpf_loader::id(),
bpf_loader_deprecated::id(),
bpf_loader_upgradeable::id(),
]
};
}
lazy_static! {
// Each element of a key is a u8. We use key[0] as an index into this table of 256 boolean
// elements, to store whether or not the first element of any key is present in the static
// lists of built-in-program keys or system ids. By using this lookup table, we can very
// quickly determine that a key under consideration cannot be in either of these lists (if
// the value is "false"), or might be in one of these lists (if the value is "true")
pub static ref MAYBE_BUILTIN_KEY_OR_SYSVAR: [bool; 256] = {
let mut temp_table: [bool; 256] = [false; 256];
BUILTIN_PROGRAMS_KEYS.iter().for_each(|key| temp_table[key.0[0] as usize] = true);
sysvar::ALL_IDS.iter().for_each(|key| temp_table[key.0[0] as usize] = true);
temp_table
};
}
pub fn is_builtin_key_or_sysvar(key: &Pubkey) -> bool {
if MAYBE_BUILTIN_KEY_OR_SYSVAR[key.0[0] as usize] {
return sysvar::is_sysvar_id(key) || BUILTIN_PROGRAMS_KEYS.contains(key);
}
false
}
fn position(keys: &[Pubkey], key: &Pubkey) -> u8 {
keys.iter().position(|k| k == key).unwrap() as u8
}
fn compile_instruction(ix: &Instruction, keys: &[Pubkey]) -> CompiledInstruction {
let accounts: Vec<_> = ix
.accounts
.iter()
.map(|account_meta| position(keys, &account_meta.pubkey))
.collect();
CompiledInstruction {
program_id_index: position(keys, &ix.program_id),
data: ix.data.clone(),
accounts,
}
}
fn compile_instructions(ixs: &[Instruction], keys: &[Pubkey]) -> Vec<CompiledInstruction> {
ixs.iter().map(|ix| compile_instruction(ix, keys)).collect()
}
/// A Solana transaction message (legacy).
///
/// See the [`message`] module documentation for further description.
///
/// [`message`]: crate::message
///
/// Some constructors accept an optional `payer`, the account responsible for
/// paying the cost of executing a transaction. In most cases, callers should
/// specify the payer explicitly in these constructors. In some cases though,
/// the caller is not _required_ to specify the payer, but is still allowed to:
/// in the `Message` structure, the first account is always the fee-payer, so if
/// the caller has knowledge that the first account of the constructed
/// transaction's `Message` is both a signer and the expected fee-payer, then
/// redundantly specifying the fee-payer is not strictly required.
// NOTE: Serialization-related changes must be paired with the custom serialization
// for versioned messages in the `RemainingLegacyMessage` struct.
#[wasm_bindgen]
#[frozen_abi(digest = "2KnLEqfLcTBQqitE22Pp8JYkaqVVbAkGbCfdeHoyxcAU")]
#[derive(Serialize, Deserialize, Default, Debug, PartialEq, Eq, Clone, AbiExample)]
#[serde(rename_all = "camelCase")]
pub struct Message {
/// The message header, identifying signed and read-only `account_keys`.
// NOTE: Serialization-related changes must be paired with the direct read at sigverify.
#[wasm_bindgen(skip)]
pub header: MessageHeader,
/// All the account keys used by this transaction.
#[wasm_bindgen(skip)]
#[serde(with = "short_vec")]
pub account_keys: Vec<Pubkey>,
/// The id of a recent ledger entry.
pub recent_blockhash: Hash,
/// Programs that will be executed in sequence and committed in one atomic transaction if all
/// succeed.
#[wasm_bindgen(skip)]
#[serde(with = "short_vec")]
pub instructions: Vec<CompiledInstruction>,
}
impl Sanitize for Message {
fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
// signing area and read-only non-signing area should not overlap
if self.header.num_required_signatures as usize
+ self.header.num_readonly_unsigned_accounts as usize
> self.account_keys.len()
{
return Err(SanitizeError::IndexOutOfBounds);
}
// there should be at least 1 RW fee-payer account.
if self.header.num_readonly_signed_accounts >= self.header.num_required_signatures {
return Err(SanitizeError::IndexOutOfBounds);
}
for ci in &self.instructions {
if ci.program_id_index as usize >= self.account_keys.len() {
return Err(SanitizeError::IndexOutOfBounds);
}
// A program cannot be a payer.
if ci.program_id_index == 0 {
return Err(SanitizeError::IndexOutOfBounds);
}
for ai in &ci.accounts {
if *ai as usize >= self.account_keys.len() {
return Err(SanitizeError::IndexOutOfBounds);
}
}
}
self.account_keys.sanitize()?;
self.recent_blockhash.sanitize()?;
self.instructions.sanitize()?;
Ok(())
}
}
impl Message {
/// Create a new `Message`.
///
/// # Examples
///
/// This example uses the [`solana_sdk`], [`solana_rpc_client`] and [`anyhow`] crates.
///
/// [`solana_sdk`]: https://docs.rs/solana-sdk
/// [`solana_rpc_client`]: https://docs.rs/solana-rpc-client
/// [`anyhow`]: https://docs.rs/anyhow
///
/// ```
/// # use solana_program::example_mocks::solana_sdk;
/// # use solana_program::example_mocks::solana_rpc_client;
/// use anyhow::Result;
/// use borsh::{BorshSerialize, BorshDeserialize};
/// use solana_rpc_client::rpc_client::RpcClient;
/// use solana_sdk::{
/// instruction::Instruction,
/// message::Message,
/// pubkey::Pubkey,
/// signature::{Keypair, Signer},
/// transaction::Transaction,
/// };
///
/// // A custom program instruction. This would typically be defined in
/// // another crate so it can be shared between the on-chain program and
/// // the client.
/// #[derive(BorshSerialize, BorshDeserialize)]
/// # #[borsh(crate = "borsh")]
/// enum BankInstruction {
/// Initialize,
/// Deposit { lamports: u64 },
/// Withdraw { lamports: u64 },
/// }
///
/// fn send_initialize_tx(
/// client: &RpcClient,
/// program_id: Pubkey,
/// payer: &Keypair
/// ) -> Result<()> {
///
/// let bank_instruction = BankInstruction::Initialize;
///
/// let instruction = Instruction::new_with_borsh(
/// program_id,
/// &bank_instruction,
/// vec![],
/// );
///
/// let message = Message::new(
/// &[instruction],
/// Some(&payer.pubkey()),
/// );
///
/// let blockhash = client.get_latest_blockhash()?;
/// let mut tx = Transaction::new(&[payer], message, blockhash);
/// client.send_and_confirm_transaction(&tx)?;
///
/// Ok(())
/// }
/// #
/// # let client = RpcClient::new(String::new());
/// # let program_id = Pubkey::new_unique();
/// # let payer = Keypair::new();
/// # send_initialize_tx(&client, program_id, &payer)?;
/// #
/// # Ok::<(), anyhow::Error>(())
/// ```
pub fn new(instructions: &[Instruction], payer: Option<&Pubkey>) -> Self {
Self::new_with_blockhash(instructions, payer, &Hash::default())
}
/// Create a new message while setting the blockhash.
///
/// # Examples
///
/// This example uses the [`solana_sdk`], [`solana_rpc_client`] and [`anyhow`] crates.
///
/// [`solana_sdk`]: https://docs.rs/solana-sdk
/// [`solana_rpc_client`]: https://docs.rs/solana-rpc-client
/// [`anyhow`]: https://docs.rs/anyhow
///
/// ```
/// # use solana_program::example_mocks::solana_sdk;
/// # use solana_program::example_mocks::solana_rpc_client;
/// use anyhow::Result;
/// use borsh::{BorshSerialize, BorshDeserialize};
/// use solana_rpc_client::rpc_client::RpcClient;
/// use solana_sdk::{
/// instruction::Instruction,
/// message::Message,
/// pubkey::Pubkey,
/// signature::{Keypair, Signer},
/// transaction::Transaction,
/// };
///
/// // A custom program instruction. This would typically be defined in
/// // another crate so it can be shared between the on-chain program and
/// // the client.
/// #[derive(BorshSerialize, BorshDeserialize)]
/// # #[borsh(crate = "borsh")]
/// enum BankInstruction {
/// Initialize,
/// Deposit { lamports: u64 },
/// Withdraw { lamports: u64 },
/// }
///
/// fn send_initialize_tx(
/// client: &RpcClient,
/// program_id: Pubkey,
/// payer: &Keypair
/// ) -> Result<()> {
///
/// let bank_instruction = BankInstruction::Initialize;
///
/// let instruction = Instruction::new_with_borsh(
/// program_id,
/// &bank_instruction,
/// vec![],
/// );
///
/// let blockhash = client.get_latest_blockhash()?;
///
/// let message = Message::new_with_blockhash(
/// &[instruction],
/// Some(&payer.pubkey()),
/// &blockhash,
/// );
///
/// let mut tx = Transaction::new_unsigned(message);
/// tx.sign(&[payer], tx.message.recent_blockhash);
/// client.send_and_confirm_transaction(&tx)?;
///
/// Ok(())
/// }
/// #
/// # let client = RpcClient::new(String::new());
/// # let program_id = Pubkey::new_unique();
/// # let payer = Keypair::new();
/// # send_initialize_tx(&client, program_id, &payer)?;
/// #
/// # Ok::<(), anyhow::Error>(())
/// ```
pub fn new_with_blockhash(
instructions: &[Instruction],
payer: Option<&Pubkey>,
blockhash: &Hash,
) -> Self {
let compiled_keys = CompiledKeys::compile(instructions, payer.cloned());
let (header, account_keys) = compiled_keys
.try_into_message_components()
.expect("overflow when compiling message keys");
let instructions = compile_instructions(instructions, &account_keys);
Self::new_with_compiled_instructions(
header.num_required_signatures,
header.num_readonly_signed_accounts,
header.num_readonly_unsigned_accounts,
account_keys,
*blockhash,
instructions,
)
}
/// Create a new message for a [nonced transaction].
///
/// [nonced transaction]: https://docs.solanalabs.com/implemented-proposals/durable-tx-nonces
///
/// In this type of transaction, the blockhash is replaced with a _durable
/// transaction nonce_, allowing for extended time to pass between the
/// transaction's signing and submission to the blockchain.
///
/// # Examples
///
/// This example uses the [`solana_sdk`], [`solana_rpc_client`] and [`anyhow`] crates.
///
/// [`solana_sdk`]: https://docs.rs/solana-sdk
/// [`solana_rpc_client`]: https://docs.rs/solana-client
/// [`anyhow`]: https://docs.rs/anyhow
///
/// ```
/// # use solana_program::example_mocks::solana_sdk;
/// # use solana_program::example_mocks::solana_rpc_client;
/// use anyhow::Result;
/// use borsh::{BorshSerialize, BorshDeserialize};
/// use solana_rpc_client::rpc_client::RpcClient;
/// use solana_sdk::{
/// hash::Hash,
/// instruction::Instruction,
/// message::Message,
/// nonce,
/// pubkey::Pubkey,
/// signature::{Keypair, Signer},
/// system_instruction,
/// transaction::Transaction,
/// };
///
/// // A custom program instruction. This would typically be defined in
/// // another crate so it can be shared between the on-chain program and
/// // the client.
/// #[derive(BorshSerialize, BorshDeserialize)]
/// # #[borsh(crate = "borsh")]
/// enum BankInstruction {
/// Initialize,
/// Deposit { lamports: u64 },
/// Withdraw { lamports: u64 },
/// }
///
/// // Create a nonced transaction for later signing and submission,
/// // returning it and the nonce account's pubkey.
/// fn create_offline_initialize_tx(
/// client: &RpcClient,
/// program_id: Pubkey,
/// payer: &Keypair
/// ) -> Result<(Transaction, Pubkey)> {
///
/// let bank_instruction = BankInstruction::Initialize;
/// let bank_instruction = Instruction::new_with_borsh(
/// program_id,
/// &bank_instruction,
/// vec![],
/// );
///
/// // This will create a nonce account and assign authority to the
/// // payer so they can sign to advance the nonce and withdraw its rent.
/// let nonce_account = make_nonce_account(client, payer)?;
///
/// let mut message = Message::new_with_nonce(
/// vec![bank_instruction],
/// Some(&payer.pubkey()),
/// &nonce_account,
/// &payer.pubkey()
/// );
///
/// // This transaction will need to be signed later, using the blockhash
/// // stored in the nonce account.
/// let tx = Transaction::new_unsigned(message);
///
/// Ok((tx, nonce_account))
/// }
///
/// fn make_nonce_account(client: &RpcClient, payer: &Keypair)
/// -> Result<Pubkey>
/// {
/// let nonce_account_address = Keypair::new();
/// let nonce_account_size = nonce::State::size();
/// let nonce_rent = client.get_minimum_balance_for_rent_exemption(nonce_account_size)?;
///
/// // Assigning the nonce authority to the payer so they can sign for the withdrawal,
/// // and we can throw away the nonce address secret key.
/// let create_nonce_instr = system_instruction::create_nonce_account(
/// &payer.pubkey(),
/// &nonce_account_address.pubkey(),
/// &payer.pubkey(),
/// nonce_rent,
/// );
///
/// let mut nonce_tx = Transaction::new_with_payer(&create_nonce_instr, Some(&payer.pubkey()));
/// let blockhash = client.get_latest_blockhash()?;
/// nonce_tx.sign(&[&payer, &nonce_account_address], blockhash);
/// client.send_and_confirm_transaction(&nonce_tx)?;
///
/// Ok(nonce_account_address.pubkey())
/// }
/// #
/// # let client = RpcClient::new(String::new());
/// # let program_id = Pubkey::new_unique();
/// # let payer = Keypair::new();
/// # create_offline_initialize_tx(&client, program_id, &payer)?;
/// # Ok::<(), anyhow::Error>(())
/// ```
pub fn new_with_nonce(
mut instructions: Vec<Instruction>,
payer: Option<&Pubkey>,
nonce_account_pubkey: &Pubkey,
nonce_authority_pubkey: &Pubkey,
) -> Self {
let nonce_ix =
system_instruction::advance_nonce_account(nonce_account_pubkey, nonce_authority_pubkey);
instructions.insert(0, nonce_ix);
Self::new(&instructions, payer)
}
pub fn new_with_compiled_instructions(
num_required_signatures: u8,
num_readonly_signed_accounts: u8,
num_readonly_unsigned_accounts: u8,
account_keys: Vec<Pubkey>,
recent_blockhash: Hash,
instructions: Vec<CompiledInstruction>,
) -> Self {
Self {
header: MessageHeader {
num_required_signatures,
num_readonly_signed_accounts,
num_readonly_unsigned_accounts,
},
account_keys,
recent_blockhash,
instructions,
}
}
/// Compute the blake3 hash of this transaction's message.
#[cfg(not(target_os = "solana"))]
pub fn hash(&self) -> Hash {
let message_bytes = self.serialize();
Self::hash_raw_message(&message_bytes)
}
/// Compute the blake3 hash of a raw transaction message.
#[cfg(not(target_os = "solana"))]
pub fn hash_raw_message(message_bytes: &[u8]) -> Hash {
use blake3::traits::digest::Digest;
let mut hasher = blake3::Hasher::new();
hasher.update(b"solana-tx-message-v1");
hasher.update(message_bytes);
Hash(<[u8; crate::hash::HASH_BYTES]>::try_from(hasher.finalize().as_slice()).unwrap())
}
pub fn compile_instruction(&self, ix: &Instruction) -> CompiledInstruction {
compile_instruction(ix, &self.account_keys)
}
pub fn serialize(&self) -> Vec<u8> {
bincode::serialize(self).unwrap()
}
pub fn program_id(&self, instruction_index: usize) -> Option<&Pubkey> {
Some(
&self.account_keys[self.instructions.get(instruction_index)?.program_id_index as usize],
)
}
pub fn program_index(&self, instruction_index: usize) -> Option<usize> {
Some(self.instructions.get(instruction_index)?.program_id_index as usize)
}
pub fn program_ids(&self) -> Vec<&Pubkey> {
self.instructions
.iter()
.map(|ix| &self.account_keys[ix.program_id_index as usize])
.collect()
}
pub fn is_key_passed_to_program(&self, key_index: usize) -> bool {
if let Ok(key_index) = u8::try_from(key_index) {
self.instructions
.iter()
.any(|ix| ix.accounts.contains(&key_index))
} else {
false
}
}
pub fn is_key_called_as_program(&self, key_index: usize) -> bool {
if let Ok(key_index) = u8::try_from(key_index) {
self.instructions
.iter()
.any(|ix| ix.program_id_index == key_index)
} else {
false
}
}
pub fn is_non_loader_key(&self, key_index: usize) -> bool {
!self.is_key_called_as_program(key_index) || self.is_key_passed_to_program(key_index)
}
pub fn program_position(&self, index: usize) -> Option<usize> {
let program_ids = self.program_ids();
program_ids
.iter()
.position(|&&pubkey| pubkey == self.account_keys[index])
}
pub fn maybe_executable(&self, i: usize) -> bool {
self.program_position(i).is_some()
}
pub fn demote_program_id(&self, i: usize) -> bool {
self.is_key_called_as_program(i) && !self.is_upgradeable_loader_present()
}
pub fn is_writable(&self, i: usize) -> bool {
(i < (self.header.num_required_signatures - self.header.num_readonly_signed_accounts)
as usize
|| (i >= self.header.num_required_signatures as usize
&& i < self.account_keys.len()
- self.header.num_readonly_unsigned_accounts as usize))
&& !is_builtin_key_or_sysvar(&self.account_keys[i])
&& !self.demote_program_id(i)
}
pub fn is_signer(&self, i: usize) -> bool {
i < self.header.num_required_signatures as usize
}
#[deprecated]
pub fn get_account_keys_by_lock_type(&self) -> (Vec<&Pubkey>, Vec<&Pubkey>) {
let mut writable_keys = vec![];
let mut readonly_keys = vec![];
for (i, key) in self.account_keys.iter().enumerate() {
if self.is_writable(i) {
writable_keys.push(key);
} else {
readonly_keys.push(key);
}
}
(writable_keys, readonly_keys)
}
#[deprecated]
pub fn deserialize_instruction(
index: usize,
data: &[u8],
) -> Result<Instruction, SanitizeError> {
#[allow(deprecated)]
sysvar::instructions::load_instruction_at(index, data)
}
pub fn signer_keys(&self) -> Vec<&Pubkey> {
// Clamp in case we're working on un-`sanitize()`ed input
let last_key = self
.account_keys
.len()
.min(self.header.num_required_signatures as usize);
self.account_keys[..last_key].iter().collect()
}
/// Returns `true` if `account_keys` has any duplicate keys.
pub fn has_duplicates(&self) -> bool {
// Note: This is an O(n^2) algorithm, but requires no heap allocations. The benchmark
// `bench_has_duplicates` in benches/message_processor.rs shows that this implementation is
// ~50 times faster than using HashSet for very short slices.
for i in 1..self.account_keys.len() {
#[allow(clippy::arithmetic_side_effects)]
if self.account_keys[i..].contains(&self.account_keys[i - 1]) {
return true;
}
}
false
}
/// Returns `true` if any account is the BPF upgradeable loader.
pub fn is_upgradeable_loader_present(&self) -> bool {
self.account_keys
.iter()
.any(|&key| key == bpf_loader_upgradeable::id())
}
}
#[cfg(test)]
mod tests {
#![allow(deprecated)]
use {
super::*,
crate::{hash, instruction::AccountMeta, message::MESSAGE_HEADER_LENGTH},
std::collections::HashSet,
};
#[test]
fn test_builtin_program_keys() {
let keys: HashSet<Pubkey> = BUILTIN_PROGRAMS_KEYS.iter().copied().collect();
assert_eq!(keys.len(), 10);
for k in keys {
let k = format!("{k}");
assert!(k.ends_with("11111111111111111111111"));
}
}
#[test]
fn test_builtin_program_keys_abi_freeze() {
// Once the feature is flipped on, we can't further modify
// BUILTIN_PROGRAMS_KEYS without the risk of breaking consensus.
let builtins = format!("{:?}", *BUILTIN_PROGRAMS_KEYS);
assert_eq!(
format!("{}", hash::hash(builtins.as_bytes())),
"ACqmMkYbo9eqK6QrRSrB3HLyR6uHhLf31SCfGUAJjiWj"
);
}
#[test]
// Ensure there's a way to calculate the number of required signatures.
fn test_message_signed_keys_len() {
let program_id = Pubkey::default();
let id0 = Pubkey::default();
let ix = Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id0, false)]);
let message = Message::new(&[ix], None);
assert_eq!(message.header.num_required_signatures, 0);
let ix = Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id0, true)]);
let message = Message::new(&[ix], Some(&id0));
assert_eq!(message.header.num_required_signatures, 1);
}
#[test]
fn test_message_kitchen_sink() {
let program_id0 = Pubkey::new_unique();
let program_id1 = Pubkey::new_unique();
let id0 = Pubkey::default();
let id1 = Pubkey::new_unique();
let message = Message::new(
&[
Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id0, false)]),
Instruction::new_with_bincode(program_id1, &0, vec![AccountMeta::new(id1, true)]),
Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id1, false)]),
],
Some(&id1),
);
assert_eq!(
message.instructions[0],
CompiledInstruction::new(2, &0, vec![1])
);
assert_eq!(
message.instructions[1],
CompiledInstruction::new(3, &0, vec![0])
);
assert_eq!(
message.instructions[2],
CompiledInstruction::new(2, &0, vec![0])
);
}
#[test]
fn test_message_payer_first() {
let program_id = Pubkey::default();
let payer = Pubkey::new_unique();
let id0 = Pubkey::default();
let ix = Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id0, false)]);
let message = Message::new(&[ix], Some(&payer));
assert_eq!(message.header.num_required_signatures, 1);
let ix = Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id0, true)]);
let message = Message::new(&[ix], Some(&payer));
assert_eq!(message.header.num_required_signatures, 2);
let ix = Instruction::new_with_bincode(
program_id,
&0,
vec![AccountMeta::new(payer, true), AccountMeta::new(id0, true)],
);
let message = Message::new(&[ix], Some(&payer));
assert_eq!(message.header.num_required_signatures, 2);
}
#[test]
fn test_program_position() {
let program_id0 = Pubkey::default();
let program_id1 = Pubkey::new_unique();
let id = Pubkey::new_unique();
let message = Message::new(
&[
Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id, false)]),
Instruction::new_with_bincode(program_id1, &0, vec![AccountMeta::new(id, true)]),
],
Some(&id),
);
assert_eq!(message.program_position(0), None);
assert_eq!(message.program_position(1), Some(0));
assert_eq!(message.program_position(2), Some(1));
}
#[test]
fn test_is_writable() {
let key0 = Pubkey::new_unique();
let key1 = Pubkey::new_unique();
let key2 = Pubkey::new_unique();
let key3 = Pubkey::new_unique();
let key4 = Pubkey::new_unique();
let key5 = Pubkey::new_unique();
let message = Message {
header: MessageHeader {
num_required_signatures: 3,
num_readonly_signed_accounts: 2,
num_readonly_unsigned_accounts: 1,
},
account_keys: vec![key0, key1, key2, key3, key4, key5],
recent_blockhash: Hash::default(),
instructions: vec![],
};
assert!(message.is_writable(0));
assert!(!message.is_writable(1));
assert!(!message.is_writable(2));
assert!(message.is_writable(3));
assert!(message.is_writable(4));
assert!(!message.is_writable(5));
}
#[test]
fn test_get_account_keys_by_lock_type() {
let program_id = Pubkey::default();
let id0 = Pubkey::new_unique();
let id1 = Pubkey::new_unique();
let id2 = Pubkey::new_unique();
let id3 = Pubkey::new_unique();
let message = Message::new(
&[
Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id0, false)]),
Instruction::new_with_bincode(program_id, &0, vec![AccountMeta::new(id1, true)]),
Instruction::new_with_bincode(
program_id,
&0,
vec![AccountMeta::new_readonly(id2, false)],
),
Instruction::new_with_bincode(
program_id,
&0,
vec![AccountMeta::new_readonly(id3, true)],
),
],
Some(&id1),
);
assert_eq!(
message.get_account_keys_by_lock_type(),
(vec![&id1, &id0], vec![&id3, &program_id, &id2])
);
}
#[test]
fn test_program_ids() {
let key0 = Pubkey::new_unique();
let key1 = Pubkey::new_unique();
let loader2 = Pubkey::new_unique();
let instructions = vec![CompiledInstruction::new(2, &(), vec![0, 1])];
let message = Message::new_with_compiled_instructions(
1,
0,
2,
vec![key0, key1, loader2],
Hash::default(),
instructions,
);
assert_eq!(message.program_ids(), vec![&loader2]);
}
#[test]
fn test_is_key_passed_to_program() {
let key0 = Pubkey::new_unique();
let key1 = Pubkey::new_unique();
let loader2 = Pubkey::new_unique();
let instructions = vec![CompiledInstruction::new(2, &(), vec![0, 1])];
let message = Message::new_with_compiled_instructions(
1,
0,
2,
vec![key0, key1, loader2],
Hash::default(),
instructions,
);
assert!(message.is_key_passed_to_program(0));
assert!(message.is_key_passed_to_program(1));
assert!(!message.is_key_passed_to_program(2));
}
#[test]
fn test_is_non_loader_key() {
let key0 = Pubkey::new_unique();
let key1 = Pubkey::new_unique();
let loader2 = Pubkey::new_unique();
let instructions = vec![CompiledInstruction::new(2, &(), vec![0, 1])];
let message = Message::new_with_compiled_instructions(
1,
0,
2,
vec![key0, key1, loader2],
Hash::default(),
instructions,
);
assert!(message.is_non_loader_key(0));
assert!(message.is_non_loader_key(1));
assert!(!message.is_non_loader_key(2));
}
#[test]
fn test_message_header_len_constant() {
assert_eq!(
bincode::serialized_size(&MessageHeader::default()).unwrap() as usize,
MESSAGE_HEADER_LENGTH
);
}
#[test]
fn test_message_hash() {
// when this test fails, it's most likely due to a new serialized format of a message.
// in this case, the domain prefix `solana-tx-message-v1` should be updated.
let program_id0 = Pubkey::from_str("4uQeVj5tqViQh7yWWGStvkEG1Zmhx6uasJtWCJziofM").unwrap();
let program_id1 = Pubkey::from_str("8opHzTAnfzRpPEx21XtnrVTX28YQuCpAjcn1PczScKh").unwrap();
let id0 = Pubkey::from_str("CiDwVBFgWV9E5MvXWoLgnEgn2hK7rJikbvfWavzAQz3").unwrap();
let id1 = Pubkey::from_str("GcdayuLaLyrdmUu324nahyv33G5poQdLUEZ1nEytDeP").unwrap();
let id2 = Pubkey::from_str("LX3EUdRUBUa3TbsYXLEUdj9J3prXkWXvLYSWyYyc2Jj").unwrap();
let id3 = Pubkey::from_str("QRSsyMWN1yHT9ir42bgNZUNZ4PdEhcSWCrL2AryKpy5").unwrap();
let instructions = vec![
Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id0, false)]),
Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id1, true)]),
Instruction::new_with_bincode(
program_id1,
&0,
vec![AccountMeta::new_readonly(id2, false)],
),
Instruction::new_with_bincode(
program_id1,
&0,
vec![AccountMeta::new_readonly(id3, true)],
),
];
let message = Message::new(&instructions, Some(&id1));
assert_eq!(
message.hash(),
Hash::from_str("7VWCF4quo2CcWQFNUayZiorxpiR5ix8YzLebrXKf3fMF").unwrap()
)
}
}