386 lines
13 KiB
Rust
386 lines
13 KiB
Rust
use std::collections::HashMap;
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use std::sync::{Arc, RwLock};
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use std::time::Duration;
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use anchor_client::Cluster;
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use clap::Parser;
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use mango_v4::state::{PerpMarketIndex, TokenIndex};
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use mango_v4_client::{
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account_update_stream, chain_data, keypair_from_cli, snapshot_source, websocket_source, Client,
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MangoClient, MangoGroupContext, TransactionBuilderConfig,
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};
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use tracing::*;
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use itertools::Itertools;
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use solana_sdk::commitment_config::CommitmentConfig;
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use solana_sdk::pubkey::Pubkey;
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use std::collections::HashSet;
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pub mod metrics;
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pub mod settle;
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pub mod tcs_start;
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pub mod util;
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use crate::util::{is_mango_account, is_mint_info, is_perp_market};
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// jemalloc seems to be better at keeping the memory footprint reasonable over
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// longer periods of time
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#[global_allocator]
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static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
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#[derive(Parser, Debug)]
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#[clap()]
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struct CliDotenv {
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// When --dotenv <file> is passed, read the specified dotenv file before parsing args
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#[clap(long)]
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dotenv: std::path::PathBuf,
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remaining_args: Vec<std::ffi::OsString>,
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}
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#[derive(Parser)]
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#[clap()]
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struct Cli {
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#[clap(short, long, env)]
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rpc_url: String,
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#[clap(long, env)]
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settler_mango_account: Pubkey,
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#[clap(long, env)]
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settler_owner: String,
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#[clap(long, env, default_value = "300")]
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snapshot_interval_secs: u64,
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/// how many getMultipleAccounts requests to send in parallel
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#[clap(long, env, default_value = "10")]
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parallel_rpc_requests: usize,
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/// typically 100 is the max number of accounts getMultipleAccounts will retrieve at once
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#[clap(long, env, default_value = "100")]
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get_multiple_accounts_count: usize,
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/// prioritize each transaction with this many microlamports/cu
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#[clap(long, env, default_value = "0")]
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prioritization_micro_lamports: u64,
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/// compute budget for each instruction
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#[clap(long, env, default_value = "250000")]
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compute_budget_per_instruction: u32,
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}
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pub fn encode_address(addr: &Pubkey) -> String {
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bs58::encode(&addr.to_bytes()).into_string()
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}
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#[tokio::main]
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async fn main() -> anyhow::Result<()> {
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mango_v4_client::tracing_subscriber_init();
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let args = if let Ok(cli_dotenv) = CliDotenv::try_parse() {
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dotenv::from_path(cli_dotenv.dotenv)?;
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cli_dotenv.remaining_args
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} else {
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dotenv::dotenv().ok();
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std::env::args_os().collect()
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};
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let cli = Cli::parse_from(args);
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let settler_owner = Arc::new(keypair_from_cli(&cli.settler_owner));
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let rpc_url = cli.rpc_url;
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let ws_url = rpc_url.replace("https", "wss");
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let rpc_timeout = Duration::from_secs(10);
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let cluster = Cluster::Custom(rpc_url.clone(), ws_url.clone());
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let commitment = CommitmentConfig::processed();
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let client = Client::new(
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cluster.clone(),
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commitment,
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settler_owner.clone(),
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Some(rpc_timeout),
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TransactionBuilderConfig {
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prioritization_micro_lamports: (cli.prioritization_micro_lamports > 0)
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.then_some(cli.prioritization_micro_lamports),
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compute_budget_per_instruction: Some(cli.compute_budget_per_instruction),
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},
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);
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// The representation of current on-chain account data
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let chain_data = Arc::new(RwLock::new(chain_data::ChainData::new()));
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// Reading accounts from chain_data
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let account_fetcher = Arc::new(chain_data::AccountFetcher {
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chain_data: chain_data.clone(),
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rpc: client.new_rpc_async(),
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});
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let mango_account = account_fetcher
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.fetch_fresh_mango_account(&cli.settler_mango_account)
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.await?;
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let mango_group = mango_account.fixed.group;
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let group_context = MangoGroupContext::new_from_rpc(client.rpc_async(), mango_group).await?;
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let mango_oracles = group_context
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.tokens
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.values()
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.map(|value| value.oracle)
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.chain(group_context.perp_markets.values().map(|p| p.oracle))
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.unique()
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.collect::<Vec<Pubkey>>();
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let serum_programs = group_context
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.serum3_markets
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.values()
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.map(|s3| s3.serum_program)
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.unique()
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.collect_vec();
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//
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// feed setup
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//
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// FUTURE: decouple feed setup and liquidator business logic
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// feed should send updates to a channel which liquidator can consume
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solana_logger::setup_with_default("info");
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info!("startup");
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let metrics = metrics::start();
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let (account_update_sender, account_update_receiver) =
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async_channel::unbounded::<account_update_stream::Message>();
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// Sourcing account and slot data from solana via websockets
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// FUTURE: websocket feed should take which accounts to listen to as an input
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websocket_source::start(
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websocket_source::Config {
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rpc_ws_url: ws_url.clone(),
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serum_programs,
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open_orders_authority: mango_group,
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},
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mango_oracles.clone(),
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account_update_sender.clone(),
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);
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let first_websocket_slot = websocket_source::get_next_create_bank_slot(
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account_update_receiver.clone(),
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Duration::from_secs(10),
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)
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.await?;
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// Getting solana account snapshots via jsonrpc
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// FUTURE: of what to fetch a snapshot - should probably take as an input
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snapshot_source::start(
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snapshot_source::Config {
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rpc_http_url: rpc_url.clone(),
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mango_group,
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get_multiple_accounts_count: cli.get_multiple_accounts_count,
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parallel_rpc_requests: cli.parallel_rpc_requests,
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snapshot_interval: std::time::Duration::from_secs(cli.snapshot_interval_secs),
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min_slot: first_websocket_slot + 10,
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},
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mango_oracles,
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account_update_sender.clone(),
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);
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start_chain_data_metrics(chain_data.clone(), &metrics);
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let shared_state = Arc::new(RwLock::new(SharedState::default()));
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//
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// mango client setup
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//
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let mango_client = {
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Arc::new(MangoClient::new_detail(
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client,
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cli.settler_mango_account,
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settler_owner,
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group_context,
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account_fetcher.clone(),
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)?)
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};
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let settle_config = settle::Config {
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settle_cooldown: std::time::Duration::from_secs(10),
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};
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let mut settlement = settle::SettlementState {
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mango_client: mango_client.clone(),
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account_fetcher: account_fetcher.clone(),
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config: settle_config,
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recently_settled: Default::default(),
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};
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let mut tcs_start = tcs_start::State {
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mango_client: mango_client.clone(),
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account_fetcher: account_fetcher.clone(),
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config: tcs_start::Config {
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persistent_error_report_interval: Duration::from_secs(300),
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},
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errors: mango_v4_client::error_tracking::ErrorTracking::builder()
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.skip_threshold(2)
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.skip_duration(Duration::from_secs(60))
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.build()?,
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};
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info!("main loop");
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// Job to update chain_data and notify the liquidation job when a new check is needed.
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let data_job = tokio::spawn({
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use account_update_stream::Message;
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let shared_state = shared_state.clone();
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let mut metric_account_update_queue_len =
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metrics.register_u64("account_update_queue_length".into());
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let mut metric_mango_accounts = metrics.register_u64("mango_accounts".into());
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let mut mint_infos = HashMap::<TokenIndex, Pubkey>::new();
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let mut oracles = HashSet::<Pubkey>::new();
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let mut perp_markets = HashMap::<PerpMarketIndex, Pubkey>::new();
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async move {
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loop {
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let message = account_update_receiver
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.recv()
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.await
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.expect("channel not closed");
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metric_account_update_queue_len.set(account_update_receiver.len() as u64);
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message.update_chain_data(&mut chain_data.write().unwrap());
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match message {
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Message::Account(account_write) => {
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let mut state = shared_state.write().unwrap();
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if is_mango_account(&account_write.account, &mango_group).is_some() {
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// e.g. to render debug logs RUST_LOG="liquidator=debug"
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debug!(
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"change to mango account {}...",
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&account_write.pubkey.to_string()[0..3]
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);
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// Track all MangoAccounts: we need to iterate over them later
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state.mango_accounts.insert(account_write.pubkey);
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metric_mango_accounts.set(state.mango_accounts.len() as u64);
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}
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}
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Message::Snapshot(snapshot) => {
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let mut state = shared_state.write().unwrap();
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// Track all mango account pubkeys
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for update in snapshot.iter() {
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if is_mango_account(&update.account, &mango_group).is_some() {
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state.mango_accounts.insert(update.pubkey);
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}
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if let Some(mint_info) = is_mint_info(&update.account, &mango_group) {
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mint_infos.insert(mint_info.token_index, update.pubkey);
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oracles.insert(mint_info.oracle);
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}
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if let Some(perp_market) = is_perp_market(&update.account, &mango_group)
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{
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perp_markets.insert(perp_market.perp_market_index, update.pubkey);
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oracles.insert(perp_market.oracle);
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}
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}
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metric_mango_accounts.set(state.mango_accounts.len() as u64);
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state.one_snapshot_done = true;
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}
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_ => {}
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}
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}
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}
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});
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let settle_job = tokio::spawn({
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let mut interval = mango_v4_client::delay_interval(Duration::from_millis(100));
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let shared_state = shared_state.clone();
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async move {
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loop {
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interval.tick().await;
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let account_addresses;
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{
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let state = shared_state.read().unwrap();
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if !state.one_snapshot_done {
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continue;
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}
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account_addresses = state.mango_accounts.iter().cloned().collect();
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}
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settlement.settle(account_addresses).await.unwrap();
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}
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}
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});
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let tcs_start_job = tokio::spawn({
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let mut interval = mango_v4_client::delay_interval(Duration::from_millis(100));
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let shared_state = shared_state.clone();
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async move {
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loop {
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interval.tick().await;
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let account_addresses;
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{
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let state = shared_state.read().unwrap();
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if !state.one_snapshot_done {
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continue;
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}
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account_addresses = state.mango_accounts.iter().cloned().collect();
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}
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tcs_start.run_pass(account_addresses).await.unwrap();
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}
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}
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});
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let check_changes_for_abort_job =
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tokio::spawn(MangoClient::loop_check_for_context_changes_and_abort(
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mango_client.clone(),
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Duration::from_secs(300),
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));
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use futures::StreamExt;
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let mut jobs: futures::stream::FuturesUnordered<_> = vec![
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data_job,
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settle_job,
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tcs_start_job,
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check_changes_for_abort_job,
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]
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.into_iter()
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.collect();
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jobs.next().await;
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error!("a critical job aborted, exiting");
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Ok(())
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}
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#[derive(Default)]
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struct SharedState {
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/// Addresses of the MangoAccounts belonging to the mango program.
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/// Needed to check health of them all when the cache updates.
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mango_accounts: HashSet<Pubkey>,
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/// Is the first snapshot done? Only start checking account health when it is.
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one_snapshot_done: bool,
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}
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fn start_chain_data_metrics(chain: Arc<RwLock<chain_data::ChainData>>, metrics: &metrics::Metrics) {
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let mut interval = mango_v4_client::delay_interval(std::time::Duration::from_secs(600));
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let mut metric_slots_count = metrics.register_u64("chain_data_slots_count".into());
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let mut metric_accounts_count = metrics.register_u64("chain_data_accounts_count".into());
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let mut metric_account_write_count =
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metrics.register_u64("chain_data_account_write_count".into());
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tokio::spawn(async move {
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loop {
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interval.tick().await;
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let chain_lock = chain.read().unwrap();
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metric_slots_count.set(chain_lock.slots_count() as u64);
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metric_accounts_count.set(chain_lock.accounts_count() as u64);
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metric_account_write_count.set(chain_lock.account_writes_count() as u64);
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}
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});
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}
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