Add photo back

primitives/consensus/babe/src/inherents.rs

@@ -32,59 +32,59 @@ pub const INHERENT_IDENTIFIER: InherentIdentifier = *b"babeslot";
 pub type InherentType = u64;
 /// Auxiliary trait to extract BABE inherent data.
 pub trait BabeInherentData {
-	/// Get BABE inherent data.
-	fn babe_inherent_data(&self) -> Result<InherentType, Error>;
-	/// Replace BABE inherent data.
-	fn babe_replace_inherent_data(&mut self, new: InherentType);
+    /// Get BABE inherent data.
+    fn babe_inherent_data(&self) -> Result<InherentType, Error>;
+    /// Replace BABE inherent data.
+    fn babe_replace_inherent_data(&mut self, new: InherentType);
 }
 
 impl BabeInherentData for InherentData {
-	fn babe_inherent_data(&self) -> Result<InherentType, Error> {
-		self.get_data(&INHERENT_IDENTIFIER)
-			.and_then(|r| r.ok_or_else(|| "BABE inherent data not found".into()))
-	}
+    fn babe_inherent_data(&self) -> Result<InherentType, Error> {
+        self.get_data(&INHERENT_IDENTIFIER)
+            .and_then(|r| r.ok_or_else(|| "BABE inherent data not found".into()))
+    }
 
-	fn babe_replace_inherent_data(&mut self, new: InherentType) {
-		self.replace_data(INHERENT_IDENTIFIER, &new);
-	}
+    fn babe_replace_inherent_data(&mut self, new: InherentType) {
+        self.replace_data(INHERENT_IDENTIFIER, &new);
+    }
 }
 
 /// Provides the slot duration inherent data for BABE.
 #[cfg(feature = "std")]
 pub struct InherentDataProvider {
-	slot_duration: u64,
+    slot_duration: u64,
 }
 
 #[cfg(feature = "std")]
 impl InherentDataProvider {
-	/// Constructs `Self`
-	pub fn new(slot_duration: u64) -> Self {
-		Self { slot_duration }
-	}
+    /// Constructs `Self`
+    pub fn new(slot_duration: u64) -> Self {
+        Self { slot_duration }
+    }
 }
 
 #[cfg(feature = "std")]
 impl ProvideInherentData for InherentDataProvider {
-	fn on_register(&self, providers: &InherentDataProviders) -> Result<(), Error> {
-		if !providers.has_provider(&sp_timestamp::INHERENT_IDENTIFIER) {
-			// Add the timestamp inherent data provider, as we require it.
-			providers.register_provider(sp_timestamp::InherentDataProvider)
-		} else {
-			Ok(())
-		}
-	}
+    fn on_register(&self, providers: &InherentDataProviders) -> Result<(), Error> {
+        if !providers.has_provider(&sp_timestamp::INHERENT_IDENTIFIER) {
+            // Add the timestamp inherent data provider, as we require it.
+            providers.register_provider(sp_timestamp::InherentDataProvider)
+        } else {
+            Ok(())
+        }
+    }
 
-	fn inherent_identifier(&self) -> &'static InherentIdentifier {
-		&INHERENT_IDENTIFIER
-	}
+    fn inherent_identifier(&self) -> &'static InherentIdentifier {
+        &INHERENT_IDENTIFIER
+    }
 
-	fn provide_inherent_data(&self, inherent_data: &mut InherentData) -> Result<(), Error> {
-		let timestamp = inherent_data.timestamp_inherent_data()?;
-		let slot_number = timestamp / self.slot_duration;
-		inherent_data.put_data(INHERENT_IDENTIFIER, &slot_number)
-	}
+    fn provide_inherent_data(&self, inherent_data: &mut InherentData) -> Result<(), Error> {
+        let timestamp = inherent_data.timestamp_inherent_data()?;
+        let slot_number = timestamp / self.slot_duration;
+        inherent_data.put_data(INHERENT_IDENTIFIER, &slot_number)
+    }
 
-	fn error_to_string(&self, error: &[u8]) -> Option<String> {
-		Error::decode(&mut &error[..]).map(|e| e.into_string()).ok()
-	}
+    fn error_to_string(&self, error: &[u8]) -> Option<String> {
+        Error::decode(&mut &error[..]).map(|e| e.into_string()).ok()
+    }
 }