aptos_sdk/
config.rs

1//! Network configuration for the Aptos SDK.
2//!
3//! This module provides configuration options for connecting to different
4//! Aptos networks (mainnet, testnet, devnet) or custom endpoints.
5
6use crate::error::{AptosError, AptosResult};
7use crate::retry::RetryConfig;
8use crate::types::ChainId;
9use std::time::Duration;
10use url::Url;
11
12/// Validates that a URL uses a safe scheme (http or https).
13///
14/// # Security
15///
16/// This prevents SSRF attacks via dangerous URL schemes like `file://`, `gopher://`, etc.
17/// For production use, HTTPS is strongly recommended. HTTP is permitted (e.g., for local
18/// development) but no host restrictions are enforced by this function.
19///
20/// # Errors
21///
22/// Returns [`AptosError::Config`] if the URL scheme is not `http` or `https`.
23pub fn validate_url_scheme(url: &Url) -> AptosResult<()> {
24    match url.scheme() {
25        "https" => Ok(()),
26        "http" => {
27            // HTTP is allowed for local development and testing
28            Ok(())
29        }
30        scheme => Err(AptosError::Config(format!(
31            "unsupported URL scheme '{scheme}': only 'http' and 'https' are allowed"
32        ))),
33    }
34}
35
36/// Reads a response body with an enforced size limit, aborting early if exceeded.
37///
38/// Unlike `response.bytes().await?` which buffers the entire response in memory
39/// before any size check, this function:
40/// 1. Pre-checks the `Content-Length` header (if present) to reject obviously
41///    oversized responses before reading any body data.
42/// 2. Reads the body incrementally via chunked streaming, aborting as soon as
43///    the accumulated size exceeds `max_size`.
44///
45/// This prevents memory exhaustion from malicious servers that send huge
46/// responses (including chunked transfer-encoding without `Content-Length`).
47///
48/// # Errors
49///
50/// Returns [`AptosError::Api`] with error code `RESPONSE_TOO_LARGE` if the
51/// response body exceeds `max_size` bytes.
52pub async fn read_response_bounded(
53    mut response: reqwest::Response,
54    max_size: usize,
55) -> AptosResult<Vec<u8>> {
56    // Pre-check Content-Length header for early rejection (avoids reading any body)
57    if let Some(content_length) = response.content_length()
58        && content_length > max_size as u64
59    {
60        return Err(AptosError::Api {
61            status_code: response.status().as_u16(),
62            message: format!(
63                "response too large: Content-Length {content_length} bytes exceeds limit of {max_size} bytes"
64            ),
65            error_code: Some("RESPONSE_TOO_LARGE".into()),
66            vm_error_code: None,
67        });
68    }
69
70    // Read body incrementally, aborting if accumulated size exceeds the limit.
71    // This protects against chunked transfer-encoding that bypasses Content-Length.
72    let mut body = Vec::with_capacity(std::cmp::min(max_size, 1024 * 1024));
73    while let Some(chunk) = response.chunk().await? {
74        if body.len().saturating_add(chunk.len()) > max_size {
75            return Err(AptosError::Api {
76                status_code: response.status().as_u16(),
77                message: format!(
78                    "response too large: exceeded limit of {max_size} bytes during streaming"
79                ),
80                error_code: Some("RESPONSE_TOO_LARGE".into()),
81                vm_error_code: None,
82            });
83        }
84        body.extend_from_slice(&chunk);
85    }
86
87    Ok(body)
88}
89
90/// Configuration for HTTP connection pooling.
91///
92/// Controls how connections are reused across requests for better performance.
93#[derive(Debug, Clone)]
94pub struct PoolConfig {
95    /// Maximum number of idle connections per host.
96    /// Default: unlimited (no limit)
97    pub max_idle_per_host: Option<usize>,
98    /// Maximum total idle connections in the pool.
99    /// Default: 100
100    pub max_idle_total: usize,
101    /// How long to keep idle connections alive.
102    /// Default: 90 seconds
103    pub idle_timeout: Duration,
104    /// Whether to enable TCP keepalive.
105    /// Default: true
106    pub tcp_keepalive: Option<Duration>,
107    /// Whether to enable TCP nodelay (disable Nagle's algorithm).
108    /// Default: true
109    pub tcp_nodelay: bool,
110    /// Maximum response body size in bytes.
111    /// Default: 10 MB (`10_485_760` bytes)
112    ///
113    /// # Security
114    ///
115    /// This limit helps prevent memory exhaustion from extremely large responses.
116    /// The Aptos API responses are typically much smaller than this limit.
117    pub max_response_size: usize,
118}
119
120/// Default maximum response size: 10 MB
121///
122/// # Security
123///
124/// This limit helps prevent memory exhaustion from malicious or compromised
125/// servers sending extremely large responses. The default of 10 MB is generous
126/// for normal Aptos API responses (typically under 1 MB). If you need to
127/// handle larger responses (e.g., bulk data exports), increase this via
128/// [`PoolConfigBuilder::max_response_size`].
129const DEFAULT_MAX_RESPONSE_SIZE: usize = 10 * 1024 * 1024;
130
131impl Default for PoolConfig {
132    fn default() -> Self {
133        Self {
134            max_idle_per_host: None, // unlimited
135            max_idle_total: 100,
136            idle_timeout: Duration::from_secs(90),
137            tcp_keepalive: Some(Duration::from_secs(60)),
138            tcp_nodelay: true,
139            max_response_size: DEFAULT_MAX_RESPONSE_SIZE,
140        }
141    }
142}
143
144impl PoolConfig {
145    /// Creates a new pool configuration builder.
146    pub fn builder() -> PoolConfigBuilder {
147        PoolConfigBuilder::default()
148    }
149
150    /// Creates a configuration optimized for high-throughput scenarios.
151    ///
152    /// - More idle connections
153    /// - Longer idle timeout
154    /// - TCP keepalive enabled
155    pub fn high_throughput() -> Self {
156        Self {
157            max_idle_per_host: Some(32),
158            max_idle_total: 256,
159            idle_timeout: Duration::from_secs(300),
160            tcp_keepalive: Some(Duration::from_secs(30)),
161            tcp_nodelay: true,
162            max_response_size: DEFAULT_MAX_RESPONSE_SIZE,
163        }
164    }
165
166    /// Creates a configuration optimized for low-latency scenarios.
167    ///
168    /// - Fewer idle connections (fresher connections)
169    /// - Shorter idle timeout
170    /// - TCP nodelay enabled
171    pub fn low_latency() -> Self {
172        Self {
173            max_idle_per_host: Some(8),
174            max_idle_total: 32,
175            idle_timeout: Duration::from_secs(30),
176            tcp_keepalive: Some(Duration::from_secs(15)),
177            tcp_nodelay: true,
178            max_response_size: DEFAULT_MAX_RESPONSE_SIZE,
179        }
180    }
181
182    /// Creates a minimal configuration for constrained environments.
183    ///
184    /// - Minimal idle connections
185    /// - Short idle timeout
186    pub fn minimal() -> Self {
187        Self {
188            max_idle_per_host: Some(2),
189            max_idle_total: 8,
190            idle_timeout: Duration::from_secs(10),
191            tcp_keepalive: None,
192            tcp_nodelay: true,
193            max_response_size: DEFAULT_MAX_RESPONSE_SIZE,
194        }
195    }
196}
197
198/// Builder for `PoolConfig`.
199#[derive(Debug, Clone, Default)]
200#[allow(clippy::option_option)] // Intentional: distinguishes "not set" from "explicitly set to None"
201pub struct PoolConfigBuilder {
202    max_idle_per_host: Option<usize>,
203    max_idle_total: Option<usize>,
204    idle_timeout: Option<Duration>,
205    /// None = not set (use default), Some(None) = explicitly disabled, Some(Some(d)) = explicitly set
206    tcp_keepalive: Option<Option<Duration>>,
207    tcp_nodelay: Option<bool>,
208    max_response_size: Option<usize>,
209}
210
211impl PoolConfigBuilder {
212    /// Sets the maximum idle connections per host.
213    #[must_use]
214    pub fn max_idle_per_host(mut self, max: usize) -> Self {
215        self.max_idle_per_host = Some(max);
216        self
217    }
218
219    /// Removes the limit on idle connections per host.
220    #[must_use]
221    pub fn unlimited_idle_per_host(mut self) -> Self {
222        self.max_idle_per_host = None;
223        self
224    }
225
226    /// Sets the maximum total idle connections.
227    #[must_use]
228    pub fn max_idle_total(mut self, max: usize) -> Self {
229        self.max_idle_total = Some(max);
230        self
231    }
232
233    /// Sets the idle connection timeout.
234    #[must_use]
235    pub fn idle_timeout(mut self, timeout: Duration) -> Self {
236        self.idle_timeout = Some(timeout);
237        self
238    }
239
240    /// Sets the TCP keepalive interval.
241    #[must_use]
242    pub fn tcp_keepalive(mut self, interval: Duration) -> Self {
243        self.tcp_keepalive = Some(Some(interval));
244        self
245    }
246
247    /// Disables TCP keepalive.
248    #[must_use]
249    pub fn no_tcp_keepalive(mut self) -> Self {
250        self.tcp_keepalive = Some(None);
251        self
252    }
253
254    /// Sets whether to enable TCP nodelay.
255    #[must_use]
256    pub fn tcp_nodelay(mut self, enabled: bool) -> Self {
257        self.tcp_nodelay = Some(enabled);
258        self
259    }
260
261    /// Sets the maximum response body size in bytes.
262    ///
263    /// # Security
264    ///
265    /// This helps prevent memory exhaustion from extremely large responses.
266    #[must_use]
267    pub fn max_response_size(mut self, size: usize) -> Self {
268        self.max_response_size = Some(size);
269        self
270    }
271
272    /// Builds the pool configuration.
273    pub fn build(self) -> PoolConfig {
274        let default = PoolConfig::default();
275        PoolConfig {
276            max_idle_per_host: self.max_idle_per_host.or(default.max_idle_per_host),
277            max_idle_total: self.max_idle_total.unwrap_or(default.max_idle_total),
278            idle_timeout: self.idle_timeout.unwrap_or(default.idle_timeout),
279            tcp_keepalive: self.tcp_keepalive.unwrap_or(default.tcp_keepalive),
280            tcp_nodelay: self.tcp_nodelay.unwrap_or(default.tcp_nodelay),
281            max_response_size: self.max_response_size.unwrap_or(default.max_response_size),
282        }
283    }
284}
285
286/// Configuration for the Aptos client.
287///
288/// Use the builder methods to customize the configuration, or use one of the
289/// preset configurations like [`AptosConfig::mainnet()`], [`AptosConfig::testnet()`],
290/// or [`AptosConfig::devnet()`].
291///
292/// # Example
293///
294/// ```rust
295/// use aptos_sdk::AptosConfig;
296/// use aptos_sdk::retry::RetryConfig;
297/// use aptos_sdk::config::PoolConfig;
298///
299/// // Use testnet with default settings
300/// let config = AptosConfig::testnet();
301///
302/// // Custom configuration with retry and connection pooling
303/// let config = AptosConfig::testnet()
304///     .with_timeout(std::time::Duration::from_secs(30))
305///     .with_retry(RetryConfig::aggressive())
306///     .with_pool(PoolConfig::high_throughput());
307/// ```
308#[derive(Debug, Clone)]
309pub struct AptosConfig {
310    /// The network to connect to
311    pub(crate) network: Network,
312    /// REST API URL (fullnode)
313    pub(crate) fullnode_url: Url,
314    /// Indexer GraphQL URL (optional)
315    pub(crate) indexer_url: Option<Url>,
316    /// Faucet URL (optional, for testnets)
317    pub(crate) faucet_url: Option<Url>,
318    /// Request timeout
319    pub(crate) timeout: Duration,
320    /// Retry configuration for transient failures
321    pub(crate) retry_config: RetryConfig,
322    /// Connection pool configuration
323    pub(crate) pool_config: PoolConfig,
324    /// Optional API key for authenticated access
325    pub(crate) api_key: Option<String>,
326}
327
328/// Known Aptos networks.
329#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
330pub enum Network {
331    /// Aptos mainnet
332    Mainnet,
333    /// Aptos testnet
334    Testnet,
335    /// Aptos devnet
336    Devnet,
337    /// Local development network
338    Local,
339    /// Custom network
340    Custom,
341}
342
343impl Network {
344    /// Returns the chain ID for this network.
345    pub fn chain_id(&self) -> ChainId {
346        match self {
347            Network::Mainnet => ChainId::mainnet(),
348            Network::Testnet => ChainId::testnet(),
349            Network::Devnet => ChainId::new(165), // Devnet chain ID
350            Network::Local => ChainId::new(4),    // Local testing chain ID
351            Network::Custom => ChainId::new(0),   // Must be set manually
352        }
353    }
354
355    /// Returns the network name as a string.
356    pub fn as_str(&self) -> &'static str {
357        match self {
358            Network::Mainnet => "mainnet",
359            Network::Testnet => "testnet",
360            Network::Devnet => "devnet",
361            Network::Local => "local",
362            Network::Custom => "custom",
363        }
364    }
365}
366
367impl Default for AptosConfig {
368    fn default() -> Self {
369        Self::devnet()
370    }
371}
372
373impl AptosConfig {
374    /// Creates a configuration for Aptos mainnet.
375    ///
376    /// # Example
377    ///
378    /// ```rust
379    /// use aptos_sdk::AptosConfig;
380    ///
381    /// let config = AptosConfig::mainnet();
382    /// ```
383    #[allow(clippy::missing_panics_doc)]
384    #[must_use]
385    pub fn mainnet() -> Self {
386        Self {
387            network: Network::Mainnet,
388            fullnode_url: Url::parse("https://fullnode.mainnet.aptoslabs.com/v1")
389                .expect("valid mainnet URL"),
390            indexer_url: Some(
391                Url::parse("https://indexer.mainnet.aptoslabs.com/v1/graphql")
392                    .expect("valid indexer URL"),
393            ),
394            faucet_url: None, // No faucet on mainnet
395            timeout: Duration::from_secs(30),
396            retry_config: RetryConfig::conservative(), // More conservative for mainnet
397            pool_config: PoolConfig::default(),
398            api_key: None,
399        }
400    }
401
402    /// Creates a configuration for Aptos testnet.
403    ///
404    /// # Example
405    ///
406    /// ```rust
407    /// use aptos_sdk::AptosConfig;
408    ///
409    /// let config = AptosConfig::testnet();
410    /// ```
411    #[allow(clippy::missing_panics_doc)]
412    #[must_use]
413    pub fn testnet() -> Self {
414        Self {
415            network: Network::Testnet,
416            fullnode_url: Url::parse("https://fullnode.testnet.aptoslabs.com/v1")
417                .expect("valid testnet URL"),
418            indexer_url: Some(
419                Url::parse("https://indexer.testnet.aptoslabs.com/v1/graphql")
420                    .expect("valid indexer URL"),
421            ),
422            faucet_url: Some(
423                Url::parse("https://faucet.testnet.aptoslabs.com").expect("valid faucet URL"),
424            ),
425            timeout: Duration::from_secs(30),
426            retry_config: RetryConfig::default(),
427            pool_config: PoolConfig::default(),
428            api_key: None,
429        }
430    }
431
432    /// Creates a configuration for Aptos devnet.
433    ///
434    /// # Example
435    ///
436    /// ```rust
437    /// use aptos_sdk::AptosConfig;
438    ///
439    /// let config = AptosConfig::devnet();
440    /// ```
441    #[allow(clippy::missing_panics_doc)]
442    #[must_use]
443    pub fn devnet() -> Self {
444        Self {
445            network: Network::Devnet,
446            fullnode_url: Url::parse("https://fullnode.devnet.aptoslabs.com/v1")
447                .expect("valid devnet URL"),
448            indexer_url: Some(
449                Url::parse("https://indexer.devnet.aptoslabs.com/v1/graphql")
450                    .expect("valid indexer URL"),
451            ),
452            faucet_url: Some(
453                Url::parse("https://faucet.devnet.aptoslabs.com").expect("valid faucet URL"),
454            ),
455            timeout: Duration::from_secs(30),
456            retry_config: RetryConfig::default(),
457            pool_config: PoolConfig::default(),
458            api_key: None,
459        }
460    }
461
462    /// Creates a configuration for a local development network.
463    ///
464    /// This assumes the local network is running on the default ports
465    /// (REST API on 8080, faucet on 8081).
466    ///
467    /// # Example
468    ///
469    /// ```rust
470    /// use aptos_sdk::AptosConfig;
471    ///
472    /// let config = AptosConfig::local();
473    /// ```
474    #[allow(clippy::missing_panics_doc)]
475    #[must_use]
476    pub fn local() -> Self {
477        Self {
478            network: Network::Local,
479            fullnode_url: Url::parse("http://127.0.0.1:8080/v1").expect("valid local URL"),
480            indexer_url: None,
481            faucet_url: Some(Url::parse("http://127.0.0.1:8081").expect("valid local faucet URL")),
482            timeout: Duration::from_secs(10),
483            retry_config: RetryConfig::aggressive(), // Fast retries for local dev
484            pool_config: PoolConfig::low_latency(),  // Low latency for local dev
485            api_key: None,
486        }
487    }
488
489    /// Creates a custom configuration with the specified fullnode URL.
490    ///
491    /// # Security
492    ///
493    /// Only `http://` and `https://` URL schemes are allowed. Using `https://` is
494    /// strongly recommended for production. HTTP is acceptable only for localhost
495    /// development environments.
496    ///
497    /// # Errors
498    ///
499    /// Returns an error if the `fullnode_url` cannot be parsed as a valid URL
500    /// or uses an unsupported scheme (e.g., `file://`, `ftp://`).
501    ///
502    /// # Example
503    ///
504    /// ```rust
505    /// use aptos_sdk::AptosConfig;
506    ///
507    /// let config = AptosConfig::custom("https://my-node.example.com/v1").unwrap();
508    /// ```
509    pub fn custom(fullnode_url: &str) -> AptosResult<Self> {
510        let url = Url::parse(fullnode_url)?;
511        validate_url_scheme(&url)?;
512        Ok(Self {
513            network: Network::Custom,
514            fullnode_url: url,
515            indexer_url: None,
516            faucet_url: None,
517            timeout: Duration::from_secs(30),
518            retry_config: RetryConfig::default(),
519            pool_config: PoolConfig::default(),
520            api_key: None,
521        })
522    }
523
524    /// Sets the request timeout.
525    #[must_use]
526    pub fn with_timeout(mut self, timeout: Duration) -> Self {
527        self.timeout = timeout;
528        self
529    }
530
531    /// Sets the retry configuration for transient failures.
532    ///
533    /// # Example
534    ///
535    /// ```rust
536    /// use aptos_sdk::AptosConfig;
537    /// use aptos_sdk::retry::RetryConfig;
538    ///
539    /// let config = AptosConfig::testnet()
540    ///     .with_retry(RetryConfig::aggressive());
541    /// ```
542    #[must_use]
543    pub fn with_retry(mut self, retry_config: RetryConfig) -> Self {
544        self.retry_config = retry_config;
545        self
546    }
547
548    /// Disables automatic retry for API calls.
549    ///
550    /// This is equivalent to `with_retry(RetryConfig::no_retry())`.
551    #[must_use]
552    pub fn without_retry(mut self) -> Self {
553        self.retry_config = RetryConfig::no_retry();
554        self
555    }
556
557    /// Sets the maximum number of retries for transient failures.
558    ///
559    /// This is a convenience method that modifies the retry config.
560    #[must_use]
561    pub fn with_max_retries(mut self, max_retries: u32) -> Self {
562        self.retry_config = RetryConfig::builder()
563            .max_retries(max_retries)
564            .initial_delay_ms(self.retry_config.initial_delay_ms)
565            .max_delay_ms(self.retry_config.max_delay_ms)
566            .exponential_base(self.retry_config.exponential_base)
567            .jitter(self.retry_config.jitter)
568            .build();
569        self
570    }
571
572    /// Sets the connection pool configuration.
573    ///
574    /// # Example
575    ///
576    /// ```rust
577    /// use aptos_sdk::AptosConfig;
578    /// use aptos_sdk::config::PoolConfig;
579    ///
580    /// let config = AptosConfig::testnet()
581    ///     .with_pool(PoolConfig::high_throughput());
582    /// ```
583    #[must_use]
584    pub fn with_pool(mut self, pool_config: PoolConfig) -> Self {
585        self.pool_config = pool_config;
586        self
587    }
588
589    /// Sets an API key for authenticated access.
590    ///
591    /// This is useful when using Aptos Build or other services that
592    /// provide higher rate limits with API keys.
593    #[must_use]
594    pub fn with_api_key(mut self, api_key: impl Into<String>) -> Self {
595        self.api_key = Some(api_key.into());
596        self
597    }
598
599    /// Sets a custom indexer URL.
600    ///
601    /// # Security
602    ///
603    /// Only `http://` and `https://` URL schemes are allowed.
604    ///
605    /// # Errors
606    ///
607    /// Returns an error if the `url` cannot be parsed as a valid URL
608    /// or uses an unsupported scheme.
609    pub fn with_indexer_url(mut self, url: &str) -> AptosResult<Self> {
610        let parsed = Url::parse(url)?;
611        validate_url_scheme(&parsed)?;
612        self.indexer_url = Some(parsed);
613        Ok(self)
614    }
615
616    /// Sets a custom faucet URL.
617    ///
618    /// # Security
619    ///
620    /// Only `http://` and `https://` URL schemes are allowed.
621    ///
622    /// # Errors
623    ///
624    /// Returns an error if the `url` cannot be parsed as a valid URL
625    /// or uses an unsupported scheme.
626    pub fn with_faucet_url(mut self, url: &str) -> AptosResult<Self> {
627        let parsed = Url::parse(url)?;
628        validate_url_scheme(&parsed)?;
629        self.faucet_url = Some(parsed);
630        Ok(self)
631    }
632
633    /// Returns the network this config is for.
634    pub fn network(&self) -> Network {
635        self.network
636    }
637
638    /// Returns the fullnode URL.
639    pub fn fullnode_url(&self) -> &Url {
640        &self.fullnode_url
641    }
642
643    /// Returns the indexer URL, if configured.
644    pub fn indexer_url(&self) -> Option<&Url> {
645        self.indexer_url.as_ref()
646    }
647
648    /// Returns the faucet URL, if configured.
649    pub fn faucet_url(&self) -> Option<&Url> {
650        self.faucet_url.as_ref()
651    }
652
653    /// Returns the chain ID for this configuration.
654    pub fn chain_id(&self) -> ChainId {
655        self.network.chain_id()
656    }
657
658    /// Returns the retry configuration.
659    pub fn retry_config(&self) -> &RetryConfig {
660        &self.retry_config
661    }
662
663    /// Returns the request timeout.
664    pub fn timeout(&self) -> Duration {
665        self.timeout
666    }
667
668    /// Returns the connection pool configuration.
669    pub fn pool_config(&self) -> &PoolConfig {
670        &self.pool_config
671    }
672}
673
674#[cfg(test)]
675mod tests {
676    use super::*;
677
678    #[test]
679    fn test_mainnet_config() {
680        let config = AptosConfig::mainnet();
681        assert_eq!(config.network(), Network::Mainnet);
682        assert!(config.fullnode_url().as_str().contains("mainnet"));
683        assert!(config.faucet_url().is_none());
684    }
685
686    #[test]
687    fn test_testnet_config() {
688        let config = AptosConfig::testnet();
689        assert_eq!(config.network(), Network::Testnet);
690        assert!(config.fullnode_url().as_str().contains("testnet"));
691        assert!(config.faucet_url().is_some());
692    }
693
694    #[test]
695    fn test_devnet_config() {
696        let config = AptosConfig::devnet();
697        assert_eq!(config.network(), Network::Devnet);
698        assert!(config.fullnode_url().as_str().contains("devnet"));
699        assert!(config.faucet_url().is_some());
700        assert!(config.indexer_url().is_some());
701    }
702
703    #[test]
704    fn test_local_config() {
705        let config = AptosConfig::local();
706        assert_eq!(config.network(), Network::Local);
707        assert!(config.fullnode_url().as_str().contains("127.0.0.1"));
708        assert!(config.faucet_url().is_some());
709        assert!(config.indexer_url().is_none());
710    }
711
712    #[test]
713    fn test_custom_config() {
714        let config = AptosConfig::custom("https://custom.example.com/v1").unwrap();
715        assert_eq!(config.network(), Network::Custom);
716        assert_eq!(
717            config.fullnode_url().as_str(),
718            "https://custom.example.com/v1"
719        );
720    }
721
722    #[test]
723    fn test_custom_config_invalid_url() {
724        let result = AptosConfig::custom("not a valid url");
725        assert!(result.is_err());
726    }
727
728    #[test]
729    fn test_builder_methods() {
730        let config = AptosConfig::testnet()
731            .with_timeout(Duration::from_secs(60))
732            .with_max_retries(5)
733            .with_api_key("test-key");
734
735        assert_eq!(config.timeout, Duration::from_secs(60));
736        assert_eq!(config.retry_config.max_retries, 5);
737        assert_eq!(config.api_key, Some("test-key".to_string()));
738    }
739
740    #[test]
741    fn test_retry_config() {
742        let config = AptosConfig::testnet().with_retry(RetryConfig::aggressive());
743
744        assert_eq!(config.retry_config.max_retries, 5);
745        assert_eq!(config.retry_config.initial_delay_ms, 50);
746
747        let config = AptosConfig::testnet().without_retry();
748        assert_eq!(config.retry_config.max_retries, 0);
749    }
750
751    #[test]
752    fn test_network_retry_defaults() {
753        // Mainnet should be conservative
754        let mainnet = AptosConfig::mainnet();
755        assert_eq!(mainnet.retry_config.max_retries, 3);
756
757        // Local should be aggressive
758        let local = AptosConfig::local();
759        assert_eq!(local.retry_config.max_retries, 5);
760    }
761
762    #[test]
763    fn test_pool_config_default() {
764        let config = PoolConfig::default();
765        assert_eq!(config.max_idle_total, 100);
766        assert_eq!(config.idle_timeout, Duration::from_secs(90));
767        assert!(config.tcp_nodelay);
768    }
769
770    #[test]
771    fn test_pool_config_presets() {
772        let high = PoolConfig::high_throughput();
773        assert_eq!(high.max_idle_per_host, Some(32));
774        assert_eq!(high.max_idle_total, 256);
775
776        let low = PoolConfig::low_latency();
777        assert_eq!(low.max_idle_per_host, Some(8));
778        assert_eq!(low.idle_timeout, Duration::from_secs(30));
779
780        let minimal = PoolConfig::minimal();
781        assert_eq!(minimal.max_idle_per_host, Some(2));
782        assert_eq!(minimal.max_idle_total, 8);
783    }
784
785    #[test]
786    fn test_pool_config_builder() {
787        let config = PoolConfig::builder()
788            .max_idle_per_host(16)
789            .max_idle_total(64)
790            .idle_timeout(Duration::from_secs(60))
791            .tcp_nodelay(false)
792            .build();
793
794        assert_eq!(config.max_idle_per_host, Some(16));
795        assert_eq!(config.max_idle_total, 64);
796        assert_eq!(config.idle_timeout, Duration::from_secs(60));
797        assert!(!config.tcp_nodelay);
798    }
799
800    #[test]
801    fn test_pool_config_builder_tcp_keepalive() {
802        let config = PoolConfig::builder()
803            .tcp_keepalive(Duration::from_secs(30))
804            .build();
805        assert_eq!(config.tcp_keepalive, Some(Duration::from_secs(30)));
806
807        let config = PoolConfig::builder().no_tcp_keepalive().build();
808        assert_eq!(config.tcp_keepalive, None);
809    }
810
811    #[test]
812    fn test_pool_config_builder_unlimited_idle() {
813        let config = PoolConfig::builder().unlimited_idle_per_host().build();
814        assert_eq!(config.max_idle_per_host, None);
815    }
816
817    #[test]
818    fn test_aptos_config_with_pool() {
819        let config = AptosConfig::testnet().with_pool(PoolConfig::high_throughput());
820
821        assert_eq!(config.pool_config.max_idle_total, 256);
822    }
823
824    #[test]
825    fn test_aptos_config_with_indexer_url() {
826        let config = AptosConfig::testnet()
827            .with_indexer_url("https://custom-indexer.example.com/graphql")
828            .unwrap();
829        assert_eq!(
830            config.indexer_url().unwrap().as_str(),
831            "https://custom-indexer.example.com/graphql"
832        );
833    }
834
835    #[test]
836    fn test_aptos_config_with_faucet_url() {
837        let config = AptosConfig::mainnet()
838            .with_faucet_url("https://custom-faucet.example.com")
839            .unwrap();
840        assert_eq!(
841            config.faucet_url().unwrap().as_str(),
842            "https://custom-faucet.example.com/"
843        );
844    }
845
846    #[test]
847    fn test_aptos_config_default() {
848        let config = AptosConfig::default();
849        assert_eq!(config.network(), Network::Devnet);
850    }
851
852    #[test]
853    fn test_network_chain_id() {
854        assert_eq!(Network::Mainnet.chain_id().id(), 1);
855        assert_eq!(Network::Testnet.chain_id().id(), 2);
856        assert_eq!(Network::Devnet.chain_id().id(), 165);
857        assert_eq!(Network::Local.chain_id().id(), 4);
858        assert_eq!(Network::Custom.chain_id().id(), 0);
859    }
860
861    #[test]
862    fn test_network_as_str() {
863        assert_eq!(Network::Mainnet.as_str(), "mainnet");
864        assert_eq!(Network::Testnet.as_str(), "testnet");
865        assert_eq!(Network::Devnet.as_str(), "devnet");
866        assert_eq!(Network::Local.as_str(), "local");
867        assert_eq!(Network::Custom.as_str(), "custom");
868    }
869
870    #[test]
871    fn test_aptos_config_getters() {
872        let config = AptosConfig::testnet();
873
874        assert_eq!(config.timeout(), Duration::from_secs(30));
875        assert!(config.retry_config().max_retries > 0);
876        assert!(config.pool_config().max_idle_total > 0);
877        assert_eq!(config.chain_id().id(), 2);
878    }
879
880    #[tokio::test]
881    async fn test_read_response_bounded_normal() {
882        use wiremock::{Mock, MockServer, ResponseTemplate, matchers::method};
883        let server = MockServer::start().await;
884        Mock::given(method("GET"))
885            .respond_with(ResponseTemplate::new(200).set_body_string("hello world"))
886            .mount(&server)
887            .await;
888
889        let response = reqwest::get(server.uri()).await.unwrap();
890        let body = read_response_bounded(response, 1024).await.unwrap();
891        assert_eq!(body, b"hello world");
892    }
893
894    #[tokio::test]
895    async fn test_read_response_bounded_rejects_oversized_content_length() {
896        use wiremock::{Mock, MockServer, ResponseTemplate, matchers::method};
897        let server = MockServer::start().await;
898        // Send a body whose accurate Content-Length exceeds the limit.
899        // The function should reject based on Content-Length pre-check
900        // before streaming the full body.
901        let body = "x".repeat(200);
902        Mock::given(method("GET"))
903            .respond_with(ResponseTemplate::new(200).set_body_string(body))
904            .mount(&server)
905            .await;
906
907        let response = reqwest::get(server.uri()).await.unwrap();
908        // Limit is 100 but body is 200 -- should be rejected via Content-Length pre-check
909        let result = read_response_bounded(response, 100).await;
910        assert!(result.is_err());
911        let err = result.unwrap_err().to_string();
912        assert!(err.contains("response too large"));
913    }
914
915    #[tokio::test]
916    async fn test_read_response_bounded_rejects_oversized_body() {
917        use wiremock::{Mock, MockServer, ResponseTemplate, matchers::method};
918        let server = MockServer::start().await;
919        let large_body = "x".repeat(500);
920        Mock::given(method("GET"))
921            .respond_with(ResponseTemplate::new(200).set_body_string(large_body))
922            .mount(&server)
923            .await;
924
925        let response = reqwest::get(server.uri()).await.unwrap();
926        let result = read_response_bounded(response, 100).await;
927        assert!(result.is_err());
928    }
929
930    #[tokio::test]
931    async fn test_read_response_bounded_exact_limit() {
932        use wiremock::{Mock, MockServer, ResponseTemplate, matchers::method};
933        let server = MockServer::start().await;
934        let body = "x".repeat(100);
935        Mock::given(method("GET"))
936            .respond_with(ResponseTemplate::new(200).set_body_string(body.clone()))
937            .mount(&server)
938            .await;
939
940        let response = reqwest::get(server.uri()).await.unwrap();
941        let result = read_response_bounded(response, 100).await.unwrap();
942        assert_eq!(result.len(), 100);
943    }
944
945    #[tokio::test]
946    async fn test_read_response_bounded_empty() {
947        use wiremock::{Mock, MockServer, ResponseTemplate, matchers::method};
948        let server = MockServer::start().await;
949        Mock::given(method("GET"))
950            .respond_with(ResponseTemplate::new(200))
951            .mount(&server)
952            .await;
953
954        let response = reqwest::get(server.uri()).await.unwrap();
955        let result = read_response_bounded(response, 1024).await.unwrap();
956        assert!(result.is_empty());
957    }
958}
aptos_sdk/config.rs

aptos_sdk/
config.rs
