refactor: modernize dependency stack and minimize footprint

- Migrate to native 'std::sync' primitives (LazyLock, OnceLock, RwLock).
- Replace 'parking_lot' with std library synchronization types.
- Switch from 'chrono' to 'std::time::SystemTime' for lightweight timestamps.
- Bump core dependencies: tokio (1.50.0) and rustls (0.23.37).
- Decouple 'solana-program' by utilizing 'solana-sdk' re-exports.
- Prune redundant crates: lazy_static, once_cell, chrono, maplit, and parking_lot.
- Remove unused dev-dependencies (criterion) and example-only utils (env_logger).
- Improve compile times and reduce supply chain attack surface.
This commit is contained in:
Estereg
2026-03-07 06:44:42 +00:00
parent 7270372604
commit 0c369e23a8
12 changed files with 42 additions and 52 deletions
@@ -1,5 +1,5 @@
use std::fmt::Debug;
use std::time::Instant;
use std::time::{Instant, SystemTime, UNIX_EPOCH};
/// 高性能时钟管理器,减少系统调用开销并最小化延迟
#[derive(Debug)]
@@ -25,12 +25,12 @@ impl HighPerformanceClock {
// 通过多次采样来减少初始化误差
let mut best_offset = i64::MAX;
let mut best_instant = Instant::now();
let mut best_timestamp = chrono::Utc::now().timestamp_micros();
let mut best_timestamp = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_micros() as i64;
// 进行3次采样,选择延迟最小的
for _ in 0..3 {
let instant_before = Instant::now();
let timestamp = chrono::Utc::now().timestamp_micros();
let timestamp = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_micros() as i64;
let instant_after = Instant::now();
let sample_latency = instant_after.duration_since(instant_before).as_nanos() as i64;
@@ -69,7 +69,7 @@ impl HighPerformanceClock {
/// 重新校准时钟,减少累积漂移
fn recalibrate(&mut self) {
let current_monotonic = Instant::now();
let current_utc = chrono::Utc::now().timestamp_micros();
let current_utc = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_micros() as i64;
// 计算预期的UTC时间戳(基于单调时钟)
let expected_utc = self.base_timestamp_us
@@ -113,8 +113,8 @@ impl Default for HighPerformanceClock {
}
/// 全局高性能时钟实例
static HIGH_PERF_CLOCK: once_cell::sync::OnceCell<HighPerformanceClock> =
once_cell::sync::OnceCell::new();
static HIGH_PERF_CLOCK: std::sync::OnceLock<HighPerformanceClock> =
std::sync::OnceLock::new();
/// 获取全局高性能时钟实例(最简单的实现)
#[inline(always)]