panic chain in case of an error

Signed-off-by: May Rosenbaum <mayro1595@gmail.com>

orderer/consensus/etcdraft/chain.go

@@ -1470,13 +1470,13 @@ func (c *Chain) ValidateConsensusMetadata(oldOrdererConfig, newOrdererConfig cha
 			// This is a migration, so we have to validate the config change and make sure that endpoints per org are configured
 			for _, org := range newOrdererConfig.Organizations() {
 				if len(org.Endpoints()) == 0 {
-					c.logger.Warnf("illegal orderer config detected during consensus metadata validation: endpoints of org %s are missing", org.Name())
+					c.logger.Panicf("illegal orderer config detected during consensus metadata validation: endpoints of org %s are missing", org.Name())
 					return errors.Errorf("illegal orderer config detected during consensus metadata validation: endpoints of org %s are missing", org.Name())
 				}
 			}
 			return nil
 		} else {
-			c.logger.Warnf("illegal consensus type detected during consensus metadata validation: %s", newOrdererConfig.ConsensusType())
+			c.logger.Panicf("illegal consensus type detected during consensus metadata validation: %s", newOrdererConfig.ConsensusType())
 			return errors.Errorf("illegal consensus type detected during consensus metadata validation: %s", newOrdererConfig.ConsensusType())
 
 		}