cebe8ed1ea
* wip * AsRef finally works like i wanted * actually return the block * start adding async trait * remove stale import * include id in the error response when possible * remove stale comments
298 lines
10 KiB
Rust
298 lines
10 KiB
Rust
use super::StatType;
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use crate::app::Web3ProxyApp;
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use crate::frontend::errors::{Web3ProxyError, Web3ProxyResponse, Web3ProxyResult};
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use crate::http_params::{
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get_chain_id_from_params, get_page_from_params, get_query_start_from_params,
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get_query_window_seconds_from_params, get_user_id_from_params,
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};
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use anyhow::Context;
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use axum::response::IntoResponse;
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use axum::Json;
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use axum::{
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headers::{authorization::Bearer, Authorization},
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TypedHeader,
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};
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use entities::{rpc_accounting, rpc_key};
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use hashbrown::HashMap;
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use log::warn;
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use migration::sea_orm::{
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ColumnTrait, EntityTrait, PaginatorTrait, QueryFilter, QueryOrder, QuerySelect, Select,
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};
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use migration::{Condition, Expr, SimpleExpr};
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use redis_rate_limiter::redis;
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use redis_rate_limiter::redis::AsyncCommands;
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use serde_json::json;
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pub fn filter_query_window_seconds(
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query_window_seconds: u64,
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response: &mut HashMap<&str, serde_json::Value>,
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q: Select<rpc_accounting::Entity>,
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) -> Web3ProxyResult<Select<rpc_accounting::Entity>> {
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if query_window_seconds == 0 {
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// TODO: order by more than this?
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// query_window_seconds is not set so we aggregate all records
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// TODO: i am pretty sure we need to filter by something
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return Ok(q);
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}
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// TODO: is there a better way to do this? how can we get "period_datetime" into this with types?
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// TODO: how can we get the first window to start at query_start_timestamp
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let expr = Expr::cust_with_values(
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"FLOOR(UNIX_TIMESTAMP(rpc_accounting.period_datetime) / ?) * ?",
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[query_window_seconds, query_window_seconds],
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);
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response.insert(
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"query_window_seconds",
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serde_json::Value::Number(query_window_seconds.into()),
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);
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let q = q
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.column_as(expr, "query_window_timestamp")
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.group_by(Expr::cust("query_window_timestamp"))
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// TODO: is there a simpler way to order_by?
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.order_by_asc(SimpleExpr::Custom("query_window_timestamp".to_string()));
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Ok(q)
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}
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pub async fn query_user_stats<'a>(
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app: &'a Web3ProxyApp,
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bearer: Option<TypedHeader<Authorization<Bearer>>>,
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params: &'a HashMap<String, String>,
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stat_response_type: StatType,
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) -> Web3ProxyResponse {
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let db_conn = app.db_conn().context("query_user_stats needs a db")?;
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let db_replica = app
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.db_replica()
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.context("query_user_stats needs a db replica")?;
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let mut redis_conn = app
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.redis_conn()
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.await
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.context("query_user_stats had a redis connection error")?
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.context("query_user_stats needs a redis")?;
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// get the user id first. if it is 0, we should use a cache on the app
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let user_id =
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get_user_id_from_params(&mut redis_conn, &db_conn, &db_replica, bearer, params).await?;
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// get the query window seconds now so that we can pick a cache with a good TTL
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// TODO: for now though, just do one cache. its easier
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let query_window_seconds = get_query_window_seconds_from_params(params)?;
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let query_start = get_query_start_from_params(params)?;
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let chain_id = get_chain_id_from_params(app, params)?;
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let page = get_page_from_params(params)?;
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let cache_key = if user_id == 0 {
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// TODO: cacheable query_window_seconds from config
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if [60, 600, 3600, 86400, 86400 * 7, 86400 * 30].contains(&query_window_seconds)
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&& query_start.timestamp() % (query_window_seconds as i64) == 0
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{
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None
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} else {
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// TODO: is this a good key?
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let redis_cache_key = format!(
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"query_user_stats:{}:{}:{}:{}:{}",
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chain_id, user_id, query_start, query_window_seconds, page,
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);
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let cached_result: Result<(String, u64), _> = redis::pipe()
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.atomic()
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// get the key and its ttl
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.get(&redis_cache_key)
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.ttl(&redis_cache_key)
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// do the query
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.query_async(&mut redis_conn)
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.await;
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// redis being down should not break the stats page!
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if let Ok((body, ttl)) = cached_result {
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let mut response = body.into_response();
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let headers = response.headers_mut();
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headers.insert(
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"Cache-Control",
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format!("max-age={}", ttl)
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.parse()
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.expect("max-age should always parse"),
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);
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// TODO: emit a stat
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return Ok(response);
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}
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Some(redis_cache_key)
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}
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} else {
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None
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};
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let mut response_body = HashMap::new();
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let mut q = rpc_accounting::Entity::find()
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.select_only()
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.column_as(
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rpc_accounting::Column::FrontendRequests.sum(),
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"total_frontend_requests",
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)
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.column_as(
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rpc_accounting::Column::BackendRequests.sum(),
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"total_backend_retries",
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)
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.column_as(
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rpc_accounting::Column::CacheMisses.sum(),
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"total_cache_misses",
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)
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.column_as(rpc_accounting::Column::CacheHits.sum(), "total_cache_hits")
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.column_as(
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rpc_accounting::Column::SumResponseBytes.sum(),
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"total_response_bytes",
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)
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.column_as(
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rpc_accounting::Column::ErrorResponse.sum(),
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"total_error_responses",
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)
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.column_as(
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rpc_accounting::Column::SumResponseMillis.sum(),
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"total_response_millis",
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);
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// TODO: make this and q mutable and clean up the code below. no need for more `let q`
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let mut condition = Condition::all();
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if let StatType::Detailed = stat_response_type {
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// group by the columns that we use as keys in other places of the code
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q = q
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.column(rpc_accounting::Column::ErrorResponse)
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.group_by(rpc_accounting::Column::ErrorResponse)
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.column(rpc_accounting::Column::Method)
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.group_by(rpc_accounting::Column::Method)
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.column(rpc_accounting::Column::ArchiveRequest)
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.group_by(rpc_accounting::Column::ArchiveRequest);
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}
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// TODO: have q be &mut?
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q = filter_query_window_seconds(query_window_seconds, &mut response_body, q)?;
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// aggregate stats after query_start
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// TODO: maximum query_start of 90 days ago?
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// TODO: if no query_start, don't add to response or condition
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response_body.insert(
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"query_start",
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serde_json::Value::Number(query_start.timestamp().into()),
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);
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condition = condition.add(rpc_accounting::Column::PeriodDatetime.gte(query_start));
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if chain_id == 0 {
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// fetch all the chains
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} else {
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// filter on chain_id
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condition = condition.add(rpc_accounting::Column::ChainId.eq(chain_id));
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response_body.insert("chain_id", serde_json::Value::Number(chain_id.into()));
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}
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if user_id == 0 {
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// 0 means everyone. don't filter on user
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} else {
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q = q.left_join(rpc_key::Entity);
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condition = condition.add(rpc_key::Column::UserId.eq(user_id));
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response_body.insert("user_id", serde_json::Value::Number(user_id.into()));
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}
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// filter on rpc_key_id
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// if rpc_key_id, all the requests without a key will be loaded
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// TODO: move getting the param and checking the bearer token into a helper function
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if let Some(rpc_key_id) = params.get("rpc_key_id") {
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let rpc_key_id = rpc_key_id.parse::<u64>().map_err(|e| {
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Web3ProxyError::BadRequest(format!("Unable to parse rpc_key_id. {:?}", e))
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})?;
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response_body.insert("rpc_key_id", serde_json::Value::Number(rpc_key_id.into()));
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condition = condition.add(rpc_accounting::Column::RpcKeyId.eq(rpc_key_id));
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q = q.group_by(rpc_accounting::Column::RpcKeyId);
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if user_id == 0 {
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// no user id, we did not join above
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q = q.left_join(rpc_key::Entity);
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} else {
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// user_id added a join on rpc_key already. only filter on user_id
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condition = condition.add(rpc_key::Column::UserId.eq(user_id));
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}
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}
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// now that all the conditions are set up. add them to the query
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q = q.filter(condition);
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// TODO: trace log query here? i think sea orm has a useful log level for this
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// set up pagination
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response_body.insert("page", serde_json::Value::Number(page.into()));
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// TODO: page size from param with a max from the config
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let page_size = 1_000;
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response_body.insert("page_size", serde_json::Value::Number(page_size.into()));
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// query the database for number of items and pages
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let pages_result = q
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.clone()
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.paginate(db_replica.as_ref(), page_size)
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.num_items_and_pages()
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.await?;
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response_body.insert("num_items", pages_result.number_of_items.into());
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response_body.insert("num_pages", pages_result.number_of_pages.into());
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// query the database (todo: combine with the pages_result query?)
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let query_response = q
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.into_json()
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.paginate(db_replica.as_ref(), page_size)
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.fetch_page(page)
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.await?;
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// TODO: be a lot smart about caching
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let ttl = 60;
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// add the query_response to the json response
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response_body.insert("result", serde_json::Value::Array(query_response));
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let mut response = Json(&response_body).into_response();
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let headers = response.headers_mut();
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if let Some(cache_key) = cache_key {
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headers.insert(
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"Cache-Control",
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format!("public, max-age={}", ttl)
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.parse()
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.expect("max-age should always parse"),
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);
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// TODO: get this from `response` isntead of json serializing twice
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let cache_body = json!(response_body).to_string();
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if let Err(err) = redis_conn
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.set_ex::<_, _, ()>(cache_key, cache_body, ttl)
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.await
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{
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warn!("Redis error while caching query_user_stats: {:?}", err);
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}
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} else {
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headers.insert(
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"Cache-Control",
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format!("private, max-age={}", ttl)
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.parse()
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.expect("max-age should always parse"),
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);
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}
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// TODO: Last-Modified header?
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Ok(response)
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}
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