Remove unused BlockStatus::Pending

ethcore/src/client/client.rs

@@ -1389,7 +1389,7 @@ impl ImportBlock for Client {
 			bail!(BlockImportErrorKind::Import(ImportErrorKind::AlreadyInChain));
 		}
 		let status = self.block_status(BlockId::Hash(unverified.parent_hash()));
-		if status == BlockStatus::Unknown || status == BlockStatus::Pending {
+		if status == BlockStatus::Unknown {
 			bail!(BlockImportErrorKind::Block(BlockError::UnknownParent(unverified.parent_hash())));
 		}
 
@@ -2080,7 +2080,7 @@ impl IoClient for Client {
 			let is_parent_pending = self.queued_ancient_blocks.read().0.contains(&parent_hash);
 			if !is_parent_pending {
 				let status = self.block_status(BlockId::Hash(parent_hash));
-				if  status == BlockStatus::Unknown || status == BlockStatus::Pending {
+				if  status == BlockStatus::Unknown {
 					bail!(BlockImportErrorKind::Block(BlockError::UnknownParent(parent_hash)));
 				}
 			}

ethcore/sync/src/block_sync.rs

@@ -266,7 +266,7 @@ impl BlockDownloader {
 				BlockStatus::Bad => {
 					return Err(BlockDownloaderImportError::Invalid);
 				},
-				BlockStatus::Unknown | BlockStatus::Pending => {
+				BlockStatus::Unknown => {
 					headers.push(info);
 					hashes.push(hash);
 				}

ethcore/sync/src/chain/handler.rs

@@ -261,7 +261,7 @@ impl SyncHandler {
 				BlockStatus::Queued => {
 					trace!(target: "sync", "New hash block already queued {:?}", hash);
 				},
-				BlockStatus::Unknown | BlockStatus::Pending => {
+				BlockStatus::Unknown => {
 					new_hashes.push(hash.clone());
 					if number > max_height {
 						trace!(target: "sync", "New unknown block hash {:?}", hash);

ethcore/types/src/block_status.rs

@@ -23,8 +23,6 @@ pub enum BlockStatus {
 	Queued,
 	/// Known as bad.
 	Bad,
-	/// Pending block.
-	Pending,
 	/// Unknown.
 	Unknown,
 }