Feature-gate `time` use also in `ElectrumSyncClient`

A previous commit introduced the `time` feature to gate the use of
`SystemTime` dependent APIs in `EsploraSyncClient`. It however omitted
doing the same for the Electrum side of things. Here, we address this
oversight.

diff --git a/lightning-transaction-sync/src/electrum.rs b/lightning-transaction-sync/src/electrum.rs
index 07e11338905370d9385dc7d5259053b624055ea4..d0c8afef77e3161ec191f41a0ceae4aa5eb8efe0 100644 (file)
--- a/lightning-transaction-sync/src/electrum.rs
+++ b/lightning-transaction-sync/src/electrum.rs
@@ -86,6 +86,7 @@ where
                let mut sync_state = self.sync_state.lock().unwrap();
 
                log_trace!(self.logger, "Starting transaction sync.");
+               #[cfg(feature = "time")]
                let start_time = Instant::now();
                let mut num_confirmed = 0;
                let mut num_unconfirmed = 0;
@@ -210,10 +211,15 @@ where
                                sync_state.pending_sync = false;
                        }
                }
+               #[cfg(feature = "time")]
                log_debug!(self.logger,
                        "Finished transaction sync at tip {} in {}ms: {} confirmed, {} unconfirmed.",
                        tip_header.block_hash(), start_time.elapsed().as_millis(), num_confirmed,
                        num_unconfirmed);
+               #[cfg(not(feature = "time"))]
+               log_debug!(self.logger,
+                       "Finished transaction sync at tip {}: {} confirmed, {} unconfirmed.",
+                       tip_header.block_hash(), num_confirmed, num_unconfirmed);
                Ok(())
        }