Method mapRateLimitError

core/src/utils/error-mapper.ts:256–267

* Maps rate limit errors

(message: string, response: unknown)

     * Maps rate limit errors
     */
    protected mapRateLimitError(message: string, response: unknown): RateLimitExceeded {
        // Try to extract retry-after from headers
        const headers = (
            typeof response === 'object' && response !== null && 'headers' in response
                ? (response as { headers?: Record<string, string> }).headers
                : undefined
        );
        const retryAfter = headers?.['retry-after'];
        const retryAfterSeconds = retryAfter ? parseInt(retryAfter, 10) : undefined;

        return new RateLimitExceeded(message, retryAfterSeconds, this.exchangeName);
    }

    /**
     * Extracts error message from various error formats