Files
qrust/src/config.rs
2024-02-14 17:07:30 +00:00

119 lines
5.1 KiB
Rust

use crate::types::alpaca::shared::Source;
use governor::{DefaultDirectRateLimiter, Quota, RateLimiter};
use reqwest::{
header::{HeaderMap, HeaderName, HeaderValue},
Client,
};
use rust_bert::{
pipelines::{
common::{ModelResource, ModelType},
sequence_classification::{SequenceClassificationConfig, SequenceClassificationModel},
},
resources::LocalResource,
};
use std::{env, num::NonZeroU32, path::PathBuf, sync::Arc};
use tokio::sync::Mutex;
pub const ALPACA_ASSET_API_URL: &str = "https://api.alpaca.markets/v2/assets";
pub const ALPACA_ORDER_API_URL: &str = "https://api.alpaca.markets/v2/orders";
pub const ALPACA_POSITION_API_URL: &str = "https://api.alpaca.markets/v2/positions";
pub const ALPACA_CLOCK_API_URL: &str = "https://api.alpaca.markets/v2/clock";
pub const ALPACA_STOCK_DATA_URL: &str = "https://data.alpaca.markets/v2/stocks/bars";
pub const ALPACA_CRYPTO_DATA_URL: &str = "https://data.alpaca.markets/v1beta3/crypto/us/bars";
pub const ALPACA_NEWS_DATA_URL: &str = "https://data.alpaca.markets/v1beta1/news";
pub const ALPACA_TRADING_WEBSOCKET_URL: &str = "wss://api.alpaca.markets/stream";
pub const ALPACA_STOCK_WEBSOCKET_URL: &str = "wss://stream.data.alpaca.markets/v2";
pub const ALPACA_CRYPTO_WEBSOCKET_URL: &str = "wss://stream.data.alpaca.markets/v1beta3/crypto/us";
pub const ALPACA_NEWS_WEBSOCKET_URL: &str = "wss://stream.data.alpaca.markets/v1beta1/news";
pub struct Config {
pub alpaca_api_key: String,
pub alpaca_api_secret: String,
pub alpaca_client: Client,
pub alpaca_rate_limit: DefaultDirectRateLimiter,
pub alpaca_source: Source,
pub clickhouse_client: clickhouse::Client,
pub max_bert_inputs: usize,
pub sequence_classifier: Arc<Mutex<SequenceClassificationModel>>,
}
impl Config {
pub fn from_env() -> Self {
let alpaca_api_key = env::var("ALPACA_API_KEY").expect("ALPACA_API_KEY must be set.");
let alpaca_api_secret =
env::var("ALPACA_API_SECRET").expect("ALPACA_API_SECRET must be set.");
let alpaca_source: Source = env::var("ALPACA_SOURCE")
.expect("ALPACA_SOURCE must be set.")
.parse()
.expect("ALPACA_SOURCE must be 'iex', 'sip', or 'otc'.");
let clickhouse_url = env::var("CLICKHOUSE_URL").expect("CLICKHOUSE_URL must be set.");
let clickhouse_user = env::var("CLICKHOUSE_USER").expect("CLICKHOUSE_USER must be set.");
let clickhouse_password =
env::var("CLICKHOUSE_PASSWORD").expect("CLICKHOUSE_PASSWORD must be set.");
let clickhouse_db = env::var("CLICKHOUSE_DB").expect("CLICKHOUSE_DB must be set.");
let max_bert_inputs: usize = env::var("MAX_BERT_INPUTS")
.expect("MAX_BERT_INPUTS must be set.")
.parse()
.expect("MAX_BERT_INPUTS must be a positive integer.");
Self {
alpaca_client: Client::builder()
.default_headers(HeaderMap::from_iter([
(
HeaderName::from_static("apca-api-key-id"),
HeaderValue::from_str(&alpaca_api_key)
.expect("Alpaca API key must not contain invalid characters."),
),
(
HeaderName::from_static("apca-api-secret-key"),
HeaderValue::from_str(&alpaca_api_secret)
.expect("Alpaca API secret must not contain invalid characters."),
),
]))
.build()
.unwrap(),
alpaca_rate_limit: RateLimiter::direct(Quota::per_minute(match alpaca_source {
Source::Iex => unsafe { NonZeroU32::new_unchecked(200) },
Source::Sip => unsafe { NonZeroU32::new_unchecked(10000) },
Source::Otc => unimplemented!("OTC rate limit not implemented."),
})),
alpaca_source,
clickhouse_client: clickhouse::Client::default()
.with_url(clickhouse_url)
.with_user(clickhouse_user)
.with_password(clickhouse_password)
.with_database(clickhouse_db),
alpaca_api_key,
alpaca_api_secret,
max_bert_inputs,
sequence_classifier: Arc::new(Mutex::new(
SequenceClassificationModel::new(SequenceClassificationConfig::new(
ModelType::Bert,
ModelResource::Torch(Box::new(LocalResource {
local_path: PathBuf::from("./models/finbert/rust_model.ot"),
})),
LocalResource {
local_path: PathBuf::from("./models/finbert/config.json"),
},
LocalResource {
local_path: PathBuf::from("./models/finbert/vocab.txt"),
},
None,
true,
None,
None,
))
.unwrap(),
)),
}
}
pub fn arc_from_env() -> Arc<Self> {
Arc::new(Self::from_env())
}
}