Include missing parent hash in MissingParent error

openethereum · Jun 11, 2019 · 67dda77 · 67dda77
1 parent d09fea8
commit 67dda77
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/ethcore/src/engines/authority_round/mod.rs b/ethcore/src/engines/authority_round/mod.rs
@@ -738,7 +738,7 @@ impl AuthorityRound {
 
 			if !epoch_manager.zoom_to_after(&*client, &self.machine, &*self.validators, *header.parent_hash()) {
 				debug!(target: "engine", "Unable to zoom to epoch.");
-				return Err(EngineError::MissingParent.into())
+				return Err(EngineError::MissingParent(*header.parent_hash()).into())
 			}
 
 			(CowLike::Owned(epoch_manager.validators().clone()), epoch_manager.epoch_transition_number)

diff --git a/ethcore/src/engines/mod.rs b/ethcore/src/engines/mod.rs
@@ -90,7 +90,7 @@ pub enum EngineError {
 	/// Requires signer ref, but none registered.
 	RequiresSigner,
 	/// Missing Parent Epoch
-	MissingParent,
+	MissingParent(H256),
 	/// Checkpoint is missing
 	CliqueMissingCheckpoint(H256),
 	/// Missing vanity data
@@ -139,7 +139,7 @@ impl fmt::Display for EngineError {
 			RequiresClient => format!("Call requires client but none registered"),
 			RequiresSigner => format!("Call requires signer but none registered"),
 			InvalidEngine => format!("Invalid engine specification or implementation"),
-			MissingParent => format!("Parent Epoch is missing from database"),
+			MissingParent(ref hash) => format!("Parent Epoch is missing from database: {}", hash),
 		};
 
 		f.write_fmt(format_args!("Engine error ({})", msg))