chore(host-listener): drop out-of-scope schedule_order extraction

Also fix clippy checked_conversions in chain_id for pre-commit.

Author: Eikix

coprocessor/fhevm-engine/fhevm-engine-common/src/chain_id.rs

@@ -50,7 +50,7 @@ impl TryFrom<u64> for ChainId {
     type Error = InvalidChainId;
 
     fn try_from(value: u64) -> Result<Self, Self::Error> {
-        if value <= i64::MAX as u64 {
+        if i64::try_from(value).is_ok() {
             Ok(ChainId(value as i64))
         } else {
             Err(InvalidChainId {

coprocessor/fhevm-engine/host-listener/src/database/tfhe_event_propagate.rs

@@ -354,11 +354,6 @@ impl Database {
     ) -> Result<bool, SqlxError> {
         let is_scalar = !scalar_byte.is_zero();
         let output_handle = result.to_vec();
-        let schedule_order =
-            log.block_timestamp
-                .saturating_add(TimeDuration::microseconds(
-                    log.tx_depth_size as i64,
-                ));
         let query = sqlx::query!(
             r#"
             INSERT INTO computations (
@@ -384,7 +379,10 @@ impl Database {
             log.dependence_chain.to_vec(),
             log.transaction_hash.map(|txh| txh.to_vec()),
             log.is_allowed,
-            schedule_order,
+            log.block_timestamp
+                .saturating_add(TimeDuration::microseconds(
+                    log.tx_depth_size as i64
+                )),
             !log.is_allowed,
             self.chain_id.as_i64()
         );