Module rate_limiter 

Binance rate limiter implementation.

This module provides weight-based rate limiting for Binance API requests. Binance uses a weight system where different endpoints consume different amounts of weight, and there are separate limits for different categories.

Rate Limit Categories

• Request Weight: General API request limit (default: 1200/minute for spot)
• Order Count: Order placement limit (default: 10 orders/second, 100000/day)
• Raw Requests: Raw request count limit

Response Headers

Binance returns rate limit information in response headers:

• X-MBX-USED-WEIGHT-*: Current used weight
• X-MBX-ORDER-COUNT-*: Current order count
• Retry-After: Seconds to wait when rate limited

Example

use ccxt_exchanges::binance::rate_limiter::{WeightRateLimiter, RateLimitInfo};

let limiter = WeightRateLimiter::new();

// Update from response headers
let info = RateLimitInfo {
    used_weight_1m: Some(500),
    used_weight_1s: None,
    order_count_10s: Some(5),
    order_count_1d: Some(1000),
    retry_after: None,
};
limiter.update(info);

// Check if we should throttle
if limiter.should_throttle() {
    // Wait before making more requests
}

Structs

RateLimitInfo

Rate limit information extracted from response headers.

WeightRateLimiter

Weight-based rate limiter for Binance API.

Constants

DEFAULT_ORDER_LIMIT_1D

Default order count limit per day.

DEFAULT_ORDER_LIMIT_10S

Default order count limit per 10 seconds.

DEFAULT_WEIGHT_LIMIT_1M

Default weight limit per minute for spot API.

DEFAULT_WEIGHT_LIMIT_1S

Default weight limit per second.

THROTTLE_THRESHOLD

Threshold percentage at which to start throttling (80%).