chore: use chrono, debug

Author: Evalir

Cargo.lock

@@ -54,6 +54,7 @@ openssl = { version = "0.10", features = ["vendored"] }
 reqwest = { version = "0.11.24", features = ["blocking", "json"] }
 serde_json = "1.0"
 tokio = { version = "1.36.0", features = ["full", "macros", "rt-multi-thread"] }
+chrono = "0.4.40"
 
 tokio-stream = "0.1.17"
 url = "2.5.4"

Cargo.toml

@@ -219,6 +219,14 @@ impl Simulator {
         let deadline =
             Instant::now() + Duration::from_secs(remaining) - Duration::from_millis(2500);
 
+        debug!(
+            timepoint,
+            remaining,
+            timestamp = chrono::Utc::now().timestamp(),
+            deadline = ?deadline,
+            "calculated deadline for block simulation"
+        );
+
         deadline.max(Instant::now())
     }
 

src/tasks/block/sim.rs

@@ -214,8 +214,7 @@ impl SubmitTask {
 
     /// Calculates and returns the slot number and its start and end timestamps for the current instant.
     fn calculate_slot_window(&self) -> (u64, u64, u64) {
-        let now_ts = utils::now();
-        let current_slot = self.config.slot_calculator.calculate_slot(now_ts);
+        let current_slot = self.config.slot_calculator.current_slot();
         let (start, end) = self.config.slot_calculator.calculate_slot_window(current_slot);
         (current_slot, start, end)
     }

src/tasks/submit/task.rs

@@ -6,12 +6,10 @@ use alloy::{
 };
 use signet_sim::BuiltBlock;
 use signet_zenith::BundleHelper::FillPermit2;
-use std::time::UNIX_EPOCH;
 
 /// Returns the current timestamp in seconds since the UNIX epoch.
 pub(crate) fn now() -> u64 {
-    let now = std::time::SystemTime::now();
-    now.duration_since(UNIX_EPOCH).unwrap().as_secs()
+    chrono::Utc::now().timestamp() as u64
 }
 
 // This function converts &[SignedFill] into [FillPermit2]