# crypto-crawler
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[![](https://img.shields.io/crates/v/crypto-crawler.svg)](https://crates.io/crates/crypto-crawler)
[![](https://docs.rs/crypto-crawler/badge.svg)](https://docs.rs/crypto-crawler)
==========
A rock-solid cryprocurrency crawler.
## Crawl realtime trades
```rust
use std::sync::{Arc, Mutex};
use crypto_crawler::{crawl_trade, MarketType, Message};
fn main() {
let on_msg = Arc::new(Mutex::new(|msg: Message| {
println!("{}", msg);
}));
// Crawl BitMEX inverse_swap market, for all symbols
crawl_trade("bitmex", MarketType::InverseSwap, None, on_msg, None);
}
```
## Crawl level2 orderbook update events
```rust
use std::sync::{Arc, Mutex};
use crypto_crawler::{crawl_l2_event, MarketType, Message};
fn main() {
let on_msg = Arc::new(Mutex::new(|msg: Message| {
println!("{}", msg);
}));
// Crawl BitMEX inverse_swap market, for all symbols
crawl_l2_event("bitmex", MarketType::InverseSwap, None, on_msg, None);
}
```
## Crawl level2 orderbook snapshots
```rust
use std::sync::{Arc, Mutex};
use crypto_crawler::{crawl_l2_snapshot, MarketType, Message};
fn main() {
let on_msg = Arc::new(Mutex::new(|msg: Message| {
println!("{}", msg);
}));
// Crawl BitMEX inverse_swap market level2 orderbook snapshots every 60 seconds, for all symbols
crawl_l2_snapshot("bitmex", MarketType::InverseSwap, None, on_msg, Some(60), None);
}
```
## Crawl level3 orderbook update events
```rust
use std::sync::{Arc, Mutex};
use crypto_crawler::{crawl_l3_event, MarketType, Message};
fn main() {
let on_msg = Arc::new(Mutex::new(|msg: Message| {
println!("{}", msg);
}));
// Crawl CoinbasePro spot market, for all symbols
crawl_l3_event("coinbase_pro", MarketType::Spot, None, on_msg, None);
}
```
## Crawl level3 orderbook snapshots
```rust
use std::sync::{Arc, Mutex};
use crypto_crawler::{crawl_l3_snapshot, MarketType, Message};
fn main() {
let on_msg = Arc::new(Mutex::new(|msg: Message| {
println!("{}", msg);
}));
// Crawl CoinbasePro spot market level2 orderbook snapshots every 60 seconds, for all symbols
crawl_l3_snapshot("coinbase_pro", MarketType::Spot, None, on_msg, Some(60), None);
}
```