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#![forbid(unsafe_code)]
use crate::{
cluster::Cluster,
experiments::{
compatibility_test::update_batch_instance, Context, Experiment, ExperimentParam,
},
instance,
instance::Instance,
tx_emitter::{execute_and_wait_transactions, EmitJobRequest},
};
use anyhow::format_err;
use async_trait::async_trait;
use diem_logger::prelude::*;
use diem_sdk::{transaction_builder::TransactionFactory, types::LocalAccount};
use diem_transaction_builder::stdlib::encode_update_diem_version_script;
use diem_types::{chain_id::ChainId, transaction::TransactionPayload};
use language_e2e_tests::common_transactions::multi_agent_p2p_script_function;
use std::{collections::HashSet, fmt, time::Duration};
use structopt::StructOpt;
#[derive(StructOpt, Debug)]
pub struct ValidatorVersioningParams {
#[structopt(
long,
default_value = "15",
help = "Number of nodes to update in the first batch"
)]
pub count: usize,
#[structopt(long, help = "Image tag of newer validator software")]
pub updated_image_tag: String,
}
pub struct ValidatorVersioning {
first_batch: Vec<Instance>,
first_batch_lsr: Vec<Instance>,
second_batch: Vec<Instance>,
second_batch_lsr: Vec<Instance>,
_full_nodes: Vec<Instance>,
updated_image_tag: String,
}
impl ExperimentParam for ValidatorVersioningParams {
type E = ValidatorVersioning;
fn build(self, cluster: &Cluster) -> Self::E {
if self.count > cluster.validator_instances().len() {
panic!(
"Can not reboot {} validators in cluster with {} instances",
self.count,
cluster.validator_instances().len()
);
}
let (first_batch, second_batch) = cluster.split_n_validators_random(self.count);
let first_batch = first_batch.into_validator_instances();
let second_batch = second_batch.into_validator_instances();
let mut first_batch_lsr = vec![];
let mut second_batch_lsr = vec![];
if !cluster.lsr_instances().is_empty() {
first_batch_lsr = cluster.lsr_instances_for_validators(&first_batch);
second_batch_lsr = cluster.lsr_instances_for_validators(&second_batch);
}
Self::E {
first_batch,
first_batch_lsr,
second_batch,
second_batch_lsr,
_full_nodes: cluster.fullnode_instances().to_vec(),
updated_image_tag: self.updated_image_tag,
}
}
}
#[async_trait]
impl Experiment for ValidatorVersioning {
fn affected_validators(&self) -> HashSet<String> {
instance::instancelist_to_set(&self.first_batch)
.union(&instance::instancelist_to_set(&self.second_batch))
.cloned()
.collect()
}
async fn run(&mut self, context: &mut Context<'_>) -> anyhow::Result<()> {
context
.tx_emitter
.mint_accounts(
&EmitJobRequest::for_instances(
context.cluster.validator_instances().to_vec(),
context.global_emit_job_request,
0,
0,
),
150,
)
.await?;
let mut account = context.tx_emitter.take_account();
let secondary_signer_account = context.tx_emitter.take_account();
let txn_payload = multi_agent_p2p_script_function(10);
let tx_factory =
TransactionFactory::new(ChainId::test()).with_transaction_expiration_time(420);
let txn_gen = |account: &mut LocalAccount, secondary_signer_account: &LocalAccount| {
account.sign_multi_agent_with_transaction_builder(
vec![secondary_signer_account],
tx_factory.payload(txn_payload.clone()),
)
};
let old_validator_node = context.cluster.random_validator_instance();
let mut old_client = old_validator_node.json_rpc_client();
info!("1. Send a transaction using the new feature to a validator node");
let txn1 = txn_gen(&mut account, &secondary_signer_account);
if execute_and_wait_transactions(&mut old_client, &mut account, vec![txn1])
.await
.is_ok()
{
return Err(format_err!(
"The transaction should be rejected as the new feature is not yet recognized \
by any of the validator nodes"
));
};
info!("-- [Expected] The transaction is rejected by the validator node");
info!("2. Update the first batch of validator nodes");
update_batch_instance(
context,
&self.first_batch,
&self.first_batch_lsr,
self.updated_image_tag.clone(),
)
.await?;
let new_validator_node = self
.first_batch
.get(0)
.expect("getting an updated validator instance requires a non-empty list");
let mut new_client = new_validator_node.json_rpc_client();
info!("3. Send the transaction using the new feature to an updated validator node");
let txn3 = txn_gen(&mut account, &secondary_signer_account);
if execute_and_wait_transactions(&mut new_client, &mut account, vec![txn3])
.await
.is_ok()
{
return Err(format_err!(
"The transaction should be rejected as the feature is under gating",
));
}
info!("-- The transaction is rejected as expected");
info!("4. Update the rest of the validator nodes");
update_batch_instance(
context,
&self.second_batch,
&self.second_batch_lsr,
self.updated_image_tag.clone(),
)
.await?;
info!("5. Send the transaction using the new feature to an updated validator node again");
let txn4 = txn_gen(&mut account, &secondary_signer_account);
if execute_and_wait_transactions(&mut new_client, &mut account, vec![txn4])
.await
.is_ok()
{
return Err(format_err!(
"The transaction should be rejected as the feature is still gated",
));
}
info!("-- The transaction is still rejected as expected, because the new feature is gated");
info!("6. Activate the new feature multi agent");
let mut diem_root_account = context
.tx_emitter
.load_diem_root_account(&new_client)
.await?;
let allowed_nonce = 0;
let update_txn = diem_root_account.sign_with_transaction_builder(tx_factory.payload(
TransactionPayload::Script(encode_update_diem_version_script(allowed_nonce, 3)),
));
execute_and_wait_transactions(&mut new_client, &mut diem_root_account, vec![update_txn])
.await?;
info!("7. Send the transaction using the new feature after Diem version update");
let txn5 = txn_gen(&mut account, &secondary_signer_account);
execute_and_wait_transactions(&mut new_client, &mut account, vec![txn5]).await?;
info!("-- [Expected] The transaction goes through");
Ok(())
}
fn deadline(&self) -> Duration {
Duration::from_secs(15 * 60)
}
}
impl fmt::Display for ValidatorVersioning {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Updating [")?;
for instance in self.first_batch.iter() {
write!(f, "{}, ", instance)?;
}
for instance in self.second_batch.iter() {
write!(f, "{}, ", instance)?;
}
write!(f, "]")?;
writeln!(f, "Updated Config: {:?}", self.updated_image_tag)
}
}