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mod.rs
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// Copyright (C) 2019-2023 Aleo Systems Inc.
// This file is part of the snarkVM library.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
mod helpers;
pub use helpers::*;
mod authorize;
mod deploy;
mod execute;
mod finalize;
mod verify;
use crate::{cast_mut_ref, cast_ref, process};
use console::{
account::{Address, PrivateKey},
network::prelude::*,
program::{Identifier, Literal, Locator, Plaintext, ProgramID, ProgramOwner, Record, Value},
types::{Field, Group, U64},
};
use ledger_block::{
Block,
ConfirmedTransaction,
Deployment,
Execution,
Fee,
Header,
Ratifications,
Ratify,
Rejected,
Solutions,
Transaction,
Transactions,
};
use ledger_committee::Committee;
use ledger_query::Query;
use ledger_store::{
atomic_finalize,
BlockStore,
ConsensusStorage,
ConsensusStore,
FinalizeMode,
FinalizeStore,
TransactionStorage,
TransactionStore,
TransitionStore,
};
use synthesizer_process::{deployment_cost, execution_cost, Authorization, Process, Trace};
use synthesizer_program::{FinalizeGlobalState, FinalizeOperation, FinalizeStoreTrait, Program};
use utilities::handle_halting;
use aleo_std::prelude::{finish, lap, timer};
use indexmap::{IndexMap, IndexSet};
use itertools::Either;
use lru::LruCache;
use parking_lot::{Mutex, RwLock};
use rand::{rngs::StdRng, SeedableRng};
use std::{num::NonZeroUsize, sync::Arc};
#[cfg(not(feature = "serial"))]
use rayon::prelude::*;
#[derive(Clone)]
pub struct VM<N: Network, C: ConsensusStorage<N>> {
/// The process.
process: Arc<RwLock<Process<N>>>,
/// The VM store.
store: ConsensusStore<N, C>,
/// The lock to guarantee atomicity over calls to speculate and finalize.
atomic_lock: Arc<Mutex<()>>,
/// The lock for ensuring there is no concurrency when advancing blocks.
block_lock: Arc<Mutex<()>>,
/// A cache containing the list of recent partially-verified transactions.
partially_verified_transactions: Arc<RwLock<LruCache<N::TransactionID, ()>>>,
}
impl<N: Network, C: ConsensusStorage<N>> VM<N, C> {
/// Initializes the VM from storage.
#[inline]
pub fn from(store: ConsensusStore<N, C>) -> Result<Self> {
// Initialize a new process.
let mut process = Process::load()?;
// Initialize the store for 'credits.aleo'.
let credits = Program::<N>::credits()?;
for mapping in credits.mappings().values() {
// Ensure that all mappings are initialized.
if !store.finalize_store().contains_mapping_confirmed(credits.id(), mapping.name())? {
// Initialize the mappings for 'credits.aleo'.
store.finalize_store().initialize_mapping(*credits.id(), *mapping.name())?;
}
}
// A helper function to retrieve all the deployments.
fn load_deployment_and_imports<N: Network, T: TransactionStorage<N>>(
process: &Process<N>,
transaction_store: &TransactionStore<N, T>,
transaction_id: N::TransactionID,
) -> Result<Vec<(ProgramID<N>, Deployment<N>)>> {
// Retrieve the deployment from the transaction ID.
let deployment = match transaction_store.get_deployment(&transaction_id)? {
Some(deployment) => deployment,
None => bail!("Deployment transaction '{transaction_id}' is not found in storage."),
};
// Fetch the program from the deployment.
let program = deployment.program();
let program_id = program.id();
// Return early if the program is already loaded.
if process.contains_program(program_id) {
return Ok(vec![]);
}
// Prepare a vector for the deployments.
let mut deployments = vec![];
// Iterate through the program imports.
for import_program_id in program.imports().keys() {
// Add the imports to the process if does not exist yet.
if !process.contains_program(import_program_id) {
// Fetch the deployment transaction ID.
let Some(transaction_id) =
transaction_store.deployment_store().find_transaction_id_from_program_id(import_program_id)?
else {
bail!("Transaction ID for '{program_id}' is not found in storage.");
};
// Add the deployment and its imports found recursively.
deployments.extend_from_slice(&load_deployment_and_imports(
process,
transaction_store,
transaction_id,
)?);
}
}
// Once all the imports have been included, add the parent deployment.
deployments.push((*program_id, deployment));
Ok(deployments)
}
// Retrieve the transaction store.
let transaction_store = store.transaction_store();
// Retrieve the list of deployment transaction IDs.
let deployment_ids = transaction_store.deployment_transaction_ids().collect::<Vec<_>>();
// Load the deployments from the store.
for (i, chunk) in deployment_ids.chunks(256).enumerate() {
debug!(
"Loading deployments {}-{} (of {})...",
i * 256,
((i + 1) * 256).min(deployment_ids.len()),
deployment_ids.len()
);
let deployments = cfg_iter!(chunk)
.map(|transaction_id| {
// Load the deployment and its imports.
load_deployment_and_imports(&process, transaction_store, **transaction_id)
})
.collect::<Result<Vec<_>>>()?;
for (program_id, deployment) in deployments.iter().flatten() {
// Load the deployment if it does not exist in the process yet.
if !process.contains_program(program_id) {
process.load_deployment(deployment)?;
}
}
}
// Return the new VM.
Ok(Self {
process: Arc::new(RwLock::new(process)),
store,
atomic_lock: Arc::new(Mutex::new(())),
block_lock: Arc::new(Mutex::new(())),
partially_verified_transactions: Arc::new(RwLock::new(LruCache::new(
NonZeroUsize::new(Transactions::<N>::MAX_TRANSACTIONS).unwrap(),
))),
})
}
/// Returns `true` if a program with the given program ID exists.
#[inline]
pub fn contains_program(&self, program_id: &ProgramID<N>) -> bool {
self.process.read().contains_program(program_id)
}
/// Returns the process.
#[inline]
pub fn process(&self) -> Arc<RwLock<Process<N>>> {
self.process.clone()
}
/// Returns the partially-verified transactions.
#[inline]
pub fn partially_verified_transactions(&self) -> Arc<RwLock<LruCache<N::TransactionID, ()>>> {
self.partially_verified_transactions.clone()
}
}
impl<N: Network, C: ConsensusStorage<N>> VM<N, C> {
/// Returns the finalize store.
#[inline]
pub fn finalize_store(&self) -> &FinalizeStore<N, C::FinalizeStorage> {
self.store.finalize_store()
}
/// Returns the block store.
#[inline]
pub fn block_store(&self) -> &BlockStore<N, C::BlockStorage> {
self.store.block_store()
}
/// Returns the transaction store.
#[inline]
pub fn transaction_store(&self) -> &TransactionStore<N, C::TransactionStorage> {
self.store.transaction_store()
}
/// Returns the transition store.
#[inline]
pub fn transition_store(&self) -> &TransitionStore<N, C::TransitionStorage> {
self.store.transition_store()
}
}
impl<N: Network, C: ConsensusStorage<N>> VM<N, C> {
/// Returns a new genesis block for a beacon chain.
pub fn genesis_beacon<R: Rng + CryptoRng>(&self, private_key: &PrivateKey<N>, rng: &mut R) -> Result<Block<N>> {
let private_keys = [*private_key, PrivateKey::new(rng)?, PrivateKey::new(rng)?, PrivateKey::new(rng)?];
// Construct the committee members.
let members = indexmap::indexmap! {
Address::try_from(private_keys[0])? => (ledger_committee::MIN_VALIDATOR_STAKE, true),
Address::try_from(private_keys[1])? => (ledger_committee::MIN_VALIDATOR_STAKE, true),
Address::try_from(private_keys[2])? => (ledger_committee::MIN_VALIDATOR_STAKE, true),
Address::try_from(private_keys[3])? => (ledger_committee::MIN_VALIDATOR_STAKE, true),
};
// Construct the committee.
let committee = Committee::<N>::new_genesis(members)?;
// Compute the remaining supply.
let remaining_supply = N::STARTING_SUPPLY - (ledger_committee::MIN_VALIDATOR_STAKE * 4);
// Construct the public balances.
let public_balances = indexmap::indexmap! {
Address::try_from(private_keys[0])? => remaining_supply / 4,
Address::try_from(private_keys[1])? => remaining_supply / 4,
Address::try_from(private_keys[2])? => remaining_supply / 4,
Address::try_from(private_keys[3])? => remaining_supply / 4,
};
// Construct the bonded balances.
let bonded_balances =
committee.members().iter().map(|(address, (amount, _))| (*address, (*address, *amount))).collect();
// Return the genesis block.
self.genesis_quorum(private_key, committee, public_balances, bonded_balances, rng)
}
/// Returns a new genesis block for a quorum chain.
pub fn genesis_quorum<R: Rng + CryptoRng>(
&self,
private_key: &PrivateKey<N>,
committee: Committee<N>,
public_balances: IndexMap<Address<N>, u64>,
bonded_balances: IndexMap<Address<N>, (Address<N>, u64)>,
rng: &mut R,
) -> Result<Block<N>> {
// Retrieve the total stake.
let total_stake = committee.total_stake();
// Compute the account supply.
let account_supply = public_balances
.values()
.try_fold(0u64, |acc, x| acc.checked_add(*x).ok_or(anyhow!("Invalid account supply")))?;
// Compute the total supply.
let total_supply = total_stake.checked_add(account_supply).ok_or_else(|| anyhow!("Invalid total supply"))?;
// Ensure the total supply matches.
ensure!(
total_supply == N::STARTING_SUPPLY,
"Invalid total supply. Found {total_supply}, expected {}",
N::STARTING_SUPPLY
);
// Prepare the caller.
let caller = Address::try_from(private_key)?;
// Prepare the locator.
let locator = ("credits.aleo", "transfer_public_to_private");
// Prepare the amount for each call to the function.
let amount = ledger_committee::MIN_VALIDATOR_STAKE;
// Prepare the function inputs.
let inputs = [caller.to_string(), format!("{amount}_u64")];
// Prepare the ratifications.
let ratifications =
vec![Ratify::Genesis(Box::new(committee), Box::new(public_balances), Box::new(bonded_balances))];
// Prepare the solutions.
let solutions = Solutions::<N>::from(None); // The genesis block does not require solutions.
// Prepare the aborted solution IDs.
let aborted_solution_ids = vec![];
// Prepare the transactions.
let transactions = (0..Block::<N>::NUM_GENESIS_TRANSACTIONS)
.map(|_| self.execute(private_key, locator, inputs.iter(), None, 0, None, rng))
.collect::<Result<Vec<_>, _>>()?;
// Construct the finalize state.
let state = FinalizeGlobalState::new_genesis::<N>()?;
// Speculate on the ratifications, solutions, and transactions.
let (ratifications, transactions, aborted_transaction_ids, ratified_finalize_operations) =
self.speculate(state, None, ratifications, &solutions, transactions.iter(), rng)?;
ensure!(
aborted_transaction_ids.is_empty(),
"Failed to initialize a genesis block - found aborted transaction IDs"
);
// Prepare the block header.
let header = Header::genesis(&ratifications, &transactions, ratified_finalize_operations)?;
// Prepare the previous block hash.
let previous_hash = N::BlockHash::default();
// Construct the block.
let block = Block::new_beacon(
private_key,
previous_hash,
header,
ratifications,
solutions,
aborted_solution_ids,
transactions,
aborted_transaction_ids,
rng,
)?;
// Ensure the block is valid genesis block.
match block.is_genesis() {
true => Ok(block),
false => bail!("Failed to initialize a genesis block"),
}
}
/// Adds the given block into the VM.
#[inline]
pub fn add_next_block(&self, block: &Block<N>) -> Result<()> {
// Acquire the block lock, which is needed to ensure this function is not called concurrently.
// Note: This lock must be held for the entire scope of this function.
let _block_lock = self.block_lock.lock();
// Construct the finalize state.
let state = FinalizeGlobalState::new::<N>(
block.round(),
block.height(),
block.cumulative_weight(),
block.cumulative_proof_target(),
block.previous_hash(),
)?;
// Pause the atomic writes, so that both the insertion and finalization belong to a single batch.
#[cfg(feature = "rocks")]
self.block_store().pause_atomic_writes()?;
// First, insert the block.
self.block_store().insert(block)?;
// Next, finalize the transactions.
match self.finalize(state, block.ratifications(), block.solutions(), block.transactions()) {
Ok(_ratified_finalize_operations) => {
// Unpause the atomic writes, executing the ones queued from block insertion and finalization.
#[cfg(feature = "rocks")]
self.block_store().unpause_atomic_writes::<false>()?;
Ok(())
}
Err(finalize_error) => {
if cfg!(feature = "rocks") {
// Clear all pending atomic operations so that unpausing the atomic writes
// doesn't execute any of the queued storage operations.
self.block_store().abort_atomic();
self.finalize_store().abort_atomic();
// Disable the atomic batch override.
// Note: This call is guaranteed to succeed (without error), because `DISCARD_BATCH == true`.
self.block_store().unpause_atomic_writes::<true>()?;
// Rollback the Merkle tree.
self.block_store().remove_last_n_from_tree_only(1).map_err(|removal_error| {
// Log the finalize error.
error!("Failed to finalize block {} - {finalize_error}", block.height());
// Return the removal error.
removal_error
})?;
} else {
// Rollback the block.
self.block_store().remove_last_n(1).map_err(|removal_error| {
// Log the finalize error.
error!("Failed to finalize block {} - {finalize_error}", block.height());
// Return the removal error.
removal_error
})?;
}
// Return the finalize error.
Err(finalize_error)
}
}
}
}
#[cfg(test)]
pub(crate) mod test_helpers {
use super::*;
use console::{
account::{Address, ViewKey},
network::MainnetV0,
program::Value,
types::Field,
};
use ledger_block::{Block, Header, Metadata, Transition};
use ledger_store::helpers::memory::ConsensusMemory;
use synthesizer_program::Program;
use indexmap::IndexMap;
use once_cell::sync::OnceCell;
use std::borrow::Borrow;
use synthesizer_snark::VerifyingKey;
pub(crate) type CurrentNetwork = MainnetV0;
/// Samples a new finalize state.
pub(crate) fn sample_finalize_state(block_height: u32) -> FinalizeGlobalState {
FinalizeGlobalState::from(block_height as u64, block_height, [0u8; 32])
}
pub(crate) fn sample_vm() -> VM<CurrentNetwork, ConsensusMemory<CurrentNetwork>> {
// Initialize a new VM.
VM::from(ConsensusStore::open(None).unwrap()).unwrap()
}
pub(crate) fn sample_genesis_private_key(rng: &mut TestRng) -> PrivateKey<CurrentNetwork> {
static INSTANCE: OnceCell<PrivateKey<CurrentNetwork>> = OnceCell::new();
*INSTANCE.get_or_init(|| {
// Initialize a new caller.
PrivateKey::<CurrentNetwork>::new(rng).unwrap()
})
}
pub(crate) fn sample_genesis_block(rng: &mut TestRng) -> Block<CurrentNetwork> {
static INSTANCE: OnceCell<Block<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize the VM.
let vm = crate::vm::test_helpers::sample_vm();
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
// Return the block.
vm.genesis_beacon(&caller_private_key, rng).unwrap()
})
.clone()
}
pub(crate) fn sample_vm_with_genesis_block(
rng: &mut TestRng,
) -> VM<CurrentNetwork, ConsensusMemory<CurrentNetwork>> {
// Initialize the VM.
let vm = crate::vm::test_helpers::sample_vm();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Return the VM.
vm
}
pub(crate) fn sample_program() -> Program<CurrentNetwork> {
static INSTANCE: OnceCell<Program<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize a new program.
Program::<CurrentNetwork>::from_str(
r"
program testing.aleo;
struct message:
amount as u128;
mapping account:
key as address.public;
value as u64.public;
record token:
owner as address.private;
amount as u64.private;
function initialize:
input r0 as address.private;
input r1 as u64.private;
cast r0 r1 into r2 as token.record;
output r2 as token.record;
function compute:
input r0 as message.private;
input r1 as message.public;
input r2 as message.private;
input r3 as token.record;
add r0.amount r1.amount into r4;
cast r3.owner r3.amount into r5 as token.record;
output r4 as u128.public;
output r5 as token.record;",
)
.unwrap()
})
.clone()
}
pub(crate) fn sample_deployment_transaction(rng: &mut TestRng) -> Transaction<CurrentNetwork> {
static INSTANCE: OnceCell<Transaction<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize the program.
let program = sample_program();
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
let caller_view_key = ViewKey::try_from(&caller_private_key).unwrap();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Fetch the unspent records.
let records =
genesis.transitions().cloned().flat_map(Transition::into_records).collect::<IndexMap<_, _>>();
trace!("Unspent Records:\n{:#?}", records);
// Prepare the fee.
let credits = Some(records.values().next().unwrap().decrypt(&caller_view_key).unwrap());
// Initialize the VM.
let vm = sample_vm();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Deploy.
let transaction = vm.deploy(&caller_private_key, &program, credits, 10, None, rng).unwrap();
// Verify.
vm.check_transaction(&transaction, None, rng).unwrap();
// Return the transaction.
transaction
})
.clone()
}
pub(crate) fn sample_execution_transaction_without_fee(rng: &mut TestRng) -> Transaction<CurrentNetwork> {
static INSTANCE: OnceCell<Transaction<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
let caller_view_key = ViewKey::try_from(&caller_private_key).unwrap();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Fetch the unspent records.
let records =
genesis.transitions().cloned().flat_map(Transition::into_records).collect::<IndexMap<_, _>>();
trace!("Unspent Records:\n{:#?}", records);
// Select a record to spend.
let record = records.values().next().unwrap().decrypt(&caller_view_key).unwrap();
// Initialize the VM.
let vm = sample_vm();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Prepare the inputs.
let inputs =
[Value::<CurrentNetwork>::Record(record), Value::<CurrentNetwork>::from_str("1u64").unwrap()]
.into_iter();
// Authorize.
let authorization = vm.authorize(&caller_private_key, "credits.aleo", "split", inputs, rng).unwrap();
assert_eq!(authorization.len(), 1);
// Construct the execute transaction.
let transaction = vm.execute_authorization(authorization, None, None, rng).unwrap();
// Verify.
vm.check_transaction(&transaction, None, rng).unwrap();
// Return the transaction.
transaction
})
.clone()
}
pub(crate) fn sample_execution_transaction_with_private_fee(rng: &mut TestRng) -> Transaction<CurrentNetwork> {
static INSTANCE: OnceCell<Transaction<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
let caller_view_key = ViewKey::try_from(&caller_private_key).unwrap();
let address = Address::try_from(&caller_private_key).unwrap();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Fetch the unspent records.
let records =
genesis.transitions().cloned().flat_map(Transition::into_records).collect::<IndexMap<_, _>>();
trace!("Unspent Records:\n{:#?}", records);
// Select a record to spend.
let record = Some(records.values().next().unwrap().decrypt(&caller_view_key).unwrap());
// Initialize the VM.
let vm = sample_vm();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Prepare the inputs.
let inputs = [
Value::<CurrentNetwork>::from_str(&address.to_string()).unwrap(),
Value::<CurrentNetwork>::from_str("1u64").unwrap(),
]
.into_iter();
// Execute.
let transaction = vm
.execute(&caller_private_key, ("credits.aleo", "transfer_public"), inputs, record, 0, None, rng)
.unwrap();
// Verify.
vm.check_transaction(&transaction, None, rng).unwrap();
// Return the transaction.
transaction
})
.clone()
}
pub(crate) fn sample_execution_transaction_with_public_fee(rng: &mut TestRng) -> Transaction<CurrentNetwork> {
static INSTANCE: OnceCell<Transaction<CurrentNetwork>> = OnceCell::new();
INSTANCE
.get_or_init(|| {
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
let address = Address::try_from(&caller_private_key).unwrap();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Initialize the VM.
let vm = sample_vm();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Prepare the inputs.
let inputs = [
Value::<CurrentNetwork>::from_str(&address.to_string()).unwrap(),
Value::<CurrentNetwork>::from_str("1u64").unwrap(),
]
.into_iter();
// Execute.
let transaction_without_fee = vm
.execute(&caller_private_key, ("credits.aleo", "transfer_public"), inputs, None, 0, None, rng)
.unwrap();
let execution = transaction_without_fee.execution().unwrap().clone();
// Authorize the fee.
let authorization = vm
.authorize_fee_public(
&caller_private_key,
10_000_000,
100,
execution.to_execution_id().unwrap(),
rng,
)
.unwrap();
// Compute the fee.
let fee = vm.execute_fee_authorization(authorization, None, rng).unwrap();
// Construct the transaction.
let transaction = Transaction::from_execution(execution, Some(fee)).unwrap();
// Verify.
vm.check_transaction(&transaction, None, rng).unwrap();
// Return the transaction.
transaction
})
.clone()
}
pub fn sample_next_block<R: Rng + CryptoRng>(
vm: &VM<MainnetV0, ConsensusMemory<MainnetV0>>,
private_key: &PrivateKey<MainnetV0>,
transactions: &[Transaction<MainnetV0>],
rng: &mut R,
) -> Result<Block<MainnetV0>> {
// Get the most recent block.
let block_hash =
vm.block_store().get_block_hash(*vm.block_store().heights().max().unwrap().borrow()).unwrap().unwrap();
let previous_block = vm.block_store().get_block(&block_hash).unwrap().unwrap();
// Construct the new block header.
let (ratifications, transactions, aborted_transaction_ids, ratified_finalize_operations) =
vm.speculate(sample_finalize_state(1), None, vec![], &None.into(), transactions.iter(), rng)?;
// Construct the metadata associated with the block.
let metadata = Metadata::new(
MainnetV0::ID,
previous_block.round() + 1,
previous_block.height() + 1,
0,
0,
MainnetV0::GENESIS_COINBASE_TARGET,
MainnetV0::GENESIS_PROOF_TARGET,
previous_block.last_coinbase_target(),
previous_block.last_coinbase_timestamp(),
MainnetV0::GENESIS_TIMESTAMP + 1,
)?;
let header = Header::from(
vm.block_store().current_state_root(),
transactions.to_transactions_root().unwrap(),
transactions.to_finalize_root(ratified_finalize_operations).unwrap(),
ratifications.to_ratifications_root().unwrap(),
Field::zero(),
Field::zero(),
metadata,
)?;
// Construct the new block.
Block::new_beacon(
private_key,
previous_block.hash(),
header,
ratifications,
None.into(),
vec![],
transactions,
aborted_transaction_ids,
rng,
)
}
#[test]
fn test_multiple_deployments_and_multiple_executions() {
let rng = &mut TestRng::default();
// Initialize a new caller.
let caller_private_key = crate::vm::test_helpers::sample_genesis_private_key(rng);
let caller_view_key = ViewKey::try_from(&caller_private_key).unwrap();
// Initialize the genesis block.
let genesis = crate::vm::test_helpers::sample_genesis_block(rng);
// Fetch the unspent records.
let records = genesis.transitions().cloned().flat_map(Transition::into_records).collect::<IndexMap<_, _>>();
trace!("Unspent Records:\n{:#?}", records);
// Select a record to spend.
let record = records.values().next().unwrap().decrypt(&caller_view_key).unwrap();
// Initialize the VM.
let vm = sample_vm();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Split once.
let transaction = vm
.execute(
&caller_private_key,
("credits.aleo", "split"),
[Value::Record(record), Value::from_str("1000000000u64").unwrap()].iter(), // 1000 credits
None,
0,
None,
rng,
)
.unwrap();
let records = transaction.records().collect_vec();
let first_record = records[0].1.clone().decrypt(&caller_view_key).unwrap();
let second_record = records[1].1.clone().decrypt(&caller_view_key).unwrap();
let block = sample_next_block(&vm, &caller_private_key, &[transaction], rng).unwrap();
vm.add_next_block(&block).unwrap();
// Split again.
let mut transactions = Vec::new();
let transaction = vm
.execute(
&caller_private_key,
("credits.aleo", "split"),
[Value::Record(first_record), Value::from_str("100000000u64").unwrap()].iter(), // 100 credits
None,
0,
None,
rng,
)
.unwrap();
let records = transaction.records().collect_vec();
let first_record = records[0].1.clone().decrypt(&caller_view_key).unwrap();
let third_record = records[1].1.clone().decrypt(&caller_view_key).unwrap();
transactions.push(transaction);
// Split again.
let transaction = vm
.execute(
&caller_private_key,
("credits.aleo", "split"),
[Value::Record(second_record), Value::from_str("100000000u64").unwrap()].iter(), // 100 credits
None,
0,
None,
rng,
)
.unwrap();
let records = transaction.records().collect_vec();
let second_record = records[0].1.clone().decrypt(&caller_view_key).unwrap();
let fourth_record = records[1].1.clone().decrypt(&caller_view_key).unwrap();
transactions.push(transaction);
// Add the split transactions to a block and update the VM.
let fee_block = sample_next_block(&vm, &caller_private_key, &transactions, rng).unwrap();
vm.add_next_block(&fee_block).unwrap();
// Deploy the programs.
let first_program = r"
program test_program_1.aleo;
mapping map_0:
key as field.public;
value as field.public;
function init:
async init into r0;
output r0 as test_program_1.aleo/init.future;
finalize init:
set 0field into map_0[0field];
function getter:
async getter into r0;
output r0 as test_program_1.aleo/getter.future;
finalize getter:
get map_0[0field] into r0;
";
let second_program = r"
program test_program_2.aleo;
mapping map_0:
key as field.public;
value as field.public;
function init:
async init into r0;
output r0 as test_program_2.aleo/init.future;
finalize init:
set 0field into map_0[0field];
function getter:
async getter into r0;
output r0 as test_program_2.aleo/getter.future;
finalize getter:
get map_0[0field] into r0;
";
let first_deployment = vm
.deploy(&caller_private_key, &Program::from_str(first_program).unwrap(), Some(first_record), 1, None, rng)
.unwrap();
let second_deployment = vm
.deploy(&caller_private_key, &Program::from_str(second_program).unwrap(), Some(second_record), 1, None, rng)
.unwrap();
let deployment_block =
sample_next_block(&vm, &caller_private_key, &[first_deployment, second_deployment], rng).unwrap();
vm.add_next_block(&deployment_block).unwrap();
// Execute the programs.
let first_execution = vm
.execute(
&caller_private_key,
("test_program_1.aleo", "init"),
Vec::<Value<MainnetV0>>::new().iter(),
Some(third_record),
1,
None,
rng,
)
.unwrap();
let second_execution = vm
.execute(
&caller_private_key,
("test_program_2.aleo", "init"),
Vec::<Value<MainnetV0>>::new().iter(),
Some(fourth_record),
1,
None,
rng,
)
.unwrap();
let execution_block =
sample_next_block(&vm, &caller_private_key, &[first_execution, second_execution], rng).unwrap();
vm.add_next_block(&execution_block).unwrap();
}
#[test]
fn test_load_deployments_with_imports() {
// NOTE: This seed was chosen for the CI's RNG to ensure that the test passes.
let rng = &mut TestRng::fixed(123456789);
// Initialize a new caller.
let caller_private_key = PrivateKey::<CurrentNetwork>::new(rng).unwrap();
let caller_view_key = ViewKey::try_from(&caller_private_key).unwrap();
// Initialize the VM.
let vm = crate::vm::test_helpers::sample_vm();
// Initialize the genesis block.
let genesis = vm.genesis_beacon(&caller_private_key, rng).unwrap();
// Update the VM.
vm.add_next_block(&genesis).unwrap();
// Fetch the unspent records.
let records = genesis.transitions().cloned().flat_map(Transition::into_records).collect::<Vec<(_, _)>>();
trace!("Unspent Records:\n{:#?}", records);
let record_0 = records[0].1.decrypt(&caller_view_key).unwrap();
let record_1 = records[1].1.decrypt(&caller_view_key).unwrap();
let record_2 = records[2].1.decrypt(&caller_view_key).unwrap();
let record_3 = records[3].1.decrypt(&caller_view_key).unwrap();
// Create the deployment for the first program.
let program_1 = r"
program first_program.aleo;
function c:
input r0 as u8.private;
input r1 as u8.private;
add r0 r1 into r2;
output r2 as u8.private;
";
let deployment_1 = vm
.deploy(&caller_private_key, &Program::from_str(program_1).unwrap(), Some(record_0), 0, None, rng)
.unwrap();
// Deploy the first program.
let deployment_block = sample_next_block(&vm, &caller_private_key, &[deployment_1.clone()], rng).unwrap();
vm.add_next_block(&deployment_block).unwrap();
// Create the deployment for the second program.
let program_2 = r"
import first_program.aleo;
program second_program.aleo;
function b:
input r0 as u8.private;
input r1 as u8.private;
call first_program.aleo/c r0 r1 into r2;
output r2 as u8.private;
";
let deployment_2 = vm
.deploy(&caller_private_key, &Program::from_str(program_2).unwrap(), Some(record_1), 0, None, rng)
.unwrap();
// Deploy the second program.
let deployment_block = sample_next_block(&vm, &caller_private_key, &[deployment_2.clone()], rng).unwrap();
vm.add_next_block(&deployment_block).unwrap();
// Create the deployment for the third program.
let program_3 = r"
import second_program.aleo;
program third_program.aleo;
function a:
input r0 as u8.private;
input r1 as u8.private;
call second_program.aleo/b r0 r1 into r2;
output r2 as u8.private;
";
let deployment_3 = vm
.deploy(&caller_private_key, &Program::from_str(program_3).unwrap(), Some(record_2), 0, None, rng)
.unwrap();
// Create the deployment for the fourth program.
let program_4 = r"
import second_program.aleo;
import first_program.aleo;
program fourth_program.aleo;
function a:
input r0 as u8.private;
input r1 as u8.private;
call second_program.aleo/b r0 r1 into r2;
output r2 as u8.private;
";
let deployment_4 = vm
.deploy(&caller_private_key, &Program::from_str(program_4).unwrap(), Some(record_3), 0, None, rng)
.unwrap();
// Deploy the third and fourth program together.
let deployment_block =
sample_next_block(&vm, &caller_private_key, &[deployment_3.clone(), deployment_4.clone()], rng).unwrap();
vm.add_next_block(&deployment_block).unwrap();
// Sanity check the ordering of the deployment transaction IDs from storage.
{
let deployment_transaction_ids =
vm.transaction_store().deployment_transaction_ids().map(|id| *id).collect::<Vec<_>>();
// This assert check is here to ensure that we are properly loading imports even though any order will work for `VM::from`.
// Note: `deployment_transaction_ids` is sorted lexicographically by transaction ID, so the order may change if we update internal methods.
assert_eq!(