disable approval-checking voting rule (#3321)

polkadot/node/service/src/lib.rs

@@ -888,12 +888,22 @@ pub fn new_full<RuntimeApi, Executor, OverseerGenerator>(
 		// after the given pause block is finalized and restarting after the
 		// given delay.
 		let builder = grandpa::VotingRulesBuilder::default();
+		// we should enable approval checking voting rule before we deploy parachains on polkadot
+		let enable_approval_checking_voting_rule = chain_spec.is_kusama()
+			|| chain_spec.is_westend()
+			|| chain_spec.is_rococo()
+			|| chain_spec.is_wococo()
+			|| chain_spec.is_dev();
 
 		let builder = if let Some(ref overseer) = overseer_handler {
-			builder.add(grandpa_support::ApprovalCheckingVotingRule::new(
-				overseer.clone(),
-				prometheus_registry.as_ref(),
-			)?)
+			if enable_approval_checking_voting_rule {
+				builder.add(grandpa_support::ApprovalCheckingVotingRule::new(
+					overseer.clone(),
+					prometheus_registry.as_ref(),
+				)?)
+			} else {
+				builder
+			}
 		} else {
 			builder
 		};