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solana
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Notify when validator balance goes below 1 SOL

This commit is contained in:
Michael Vines 2020-03-11 09:27:11 -07:00
parent 0eeeec38fa
commit cef8e42938
1 changed files with 30 additions and 11 deletions
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41
watchtower/src/main.rs
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@ -11,8 +11,8 @@ use solana_clap_utils::{
};
use solana_client::{rpc_client::RpcClient, rpc_response::RpcVoteAccountStatus};
use solana_metrics::{datapoint_error, datapoint_info};
use solana_sdk::{hash::Hash, native_token::lamports_to_sol};
use std::{error, io, thread::sleep, time::Duration};
use solana_sdk::{hash::Hash, native_token::lamports_to_sol, pubkey::Pubkey};
use std::{error, io, str::FromStr, thread::sleep, time::Duration};
struct Config {
interval: Duration,
@ -97,13 +97,22 @@ fn get_config() -> Config {
let no_duplicate_notifications = matches.is_present("no_duplicate_notifications");
let monitor_active_stake = matches.is_present("monitor_active_stake");
Config {
let config = Config {
interval,
json_rpc_url,
validator_identity_pubkeys,
no_duplicate_notifications,
monitor_active_stake,
};
info!("RPC URL: {}", config.json_rpc_url);
if !config.validator_identity_pubkeys.is_empty() {
info!(
"Monitored validators: {:?}",
config.validator_identity_pubkeys
);
}
config
}
fn get_cluster_info(rpc_client: &RpcClient) -> io::Result<(u64, Hash, RpcVoteAccountStatus)> {
@ -119,14 +128,6 @@ fn main() -> Result<(), Box<dyn error::Error>> {
solana_logger::setup_with_default("solana=info");
solana_metrics::set_panic_hook("watchtower");
info!("RPC URL: {}", config.json_rpc_url);
if !config.validator_identity_pubkeys.is_empty() {
info!(
"Monitored validators: {:?}",
config.validator_identity_pubkeys
);
}
let rpc_client = RpcClient::new(config.json_rpc_url);
let notifier = Notifier::new();
@ -217,6 +218,21 @@ fn main() -> Result<(), Box<dyn error::Error>> {
{
errors.push(format!("{} missing", validator_identity));
}
rpc_client
.get_balance(&Pubkey::from_str(&validator_identity).unwrap_or_default())
.map(lamports_to_sol)
.map(|balance| {
if balance < 1.0 {
failures.push((
"balance",
format!("{} has {} SOL", validator_identity, balance),
));
}
})
.unwrap_or_else(|err| {
warn!("Failed to get balance of {}: {:?}", validator_identity, err);
});
}
if !errors.is_empty() {
@ -224,6 +240,9 @@ fn main() -> Result<(), Box<dyn error::Error>> {
}
}
for failure in failures.iter() {
error!("{} sanity failure: {}", failure.0, failure.1);
}
failures.into_iter().next() // Only report the first failure if any
}
Err(err) => Some(("rpc", err.to_string())),