Misc fixes

crates/apps_lib/src/cli.rs

@@ -3475,12 +3475,10 @@ pub mod args {
 
         fn def(app: App) -> App {
             app.arg(NAMADA_START_TIME.def().help(wrap!(
-                "The start time of the ledger. Accepts a relaxed form of \
-                 RFC3339. A space or a 'T' are accepted as the separator \
-                 between the date and time components. Additional spaces are \
-                 allowed between each component.\nAll of these examples are \
-                 equivalent:\n2023-01-20T12:12:12Z\n2023-01-20 \
-                 12:12:12Z\n2023-  01-20T12:  12:12Z"
+                "The start time of the ledger. Accepts a strict subset of \
+                 RFC3339. A 'T' is accepted as the separator between the date \
+                 and time components.\nHere is a valid timestamp: \
+                 2023-01-20T12:12:12Z"
             )))
             .arg(
                 PATH_OPT

crates/core/src/time.rs

@@ -253,7 +253,7 @@ impl BorshSerialize for DateTimeUtc {
         &self,
         writer: &mut W,
     ) -> std::io::Result<()> {
-        let raw = self.0.to_rfc3339();
+        let raw = self.to_rfc3339();
         BorshSerialize::serialize(&raw, writer)
     }
 }
@@ -344,15 +344,15 @@ impl TryFrom<Rfc3339String> for DateTimeUtc {
 
 impl From<DateTimeUtc> for Rfc3339String {
     fn from(dt: DateTimeUtc) -> Self {
-        Self(DateTime::to_rfc3339(&dt.0))
+        Self(dt.to_rfc3339())
     }
 }
 
 impl TryFrom<DateTimeUtc> for crate::tendermint::time::Time {
     type Error = crate::tendermint::Error;
 
     fn try_from(dt: DateTimeUtc) -> Result<Self, Self::Error> {
-        Self::parse_from_rfc3339(&DateTime::to_rfc3339(&dt.0))
+        Self::parse_from_rfc3339(&dt.to_rfc3339())
     }
 }
 

crates/namada/src/ledger/native_vp/ibc/mod.rs

@@ -353,10 +353,11 @@ fn match_value(
 /// A dummy header used for testing
 #[cfg(any(test, feature = "testing", feature = "benches"))]
 pub fn get_dummy_header() -> crate::storage::Header {
-    use crate::tendermint::time::Time as TmTime;
+    use crate::time::{DateTimeUtc, DurationSecs};
     crate::storage::Header {
         hash: crate::hash::Hash([0; 32]),
-        time: TmTime::now().try_into().unwrap(),
+        #[allow(clippy::disallowed_methods)]
+        time: DateTimeUtc::now() + DurationSecs(5),
         next_validators_hash: crate::hash::Hash([0; 32]),
     }
 }