Merge pull request #1106 from LeoHChen/revert_2nd_call_removal

Revert 2nd call removal

cmd/harmony/main.go

@@ -225,6 +225,9 @@ func createGlobalConfig() *nodeconfig.ConfigType {
 	// The initial genesis nodes are sequentially put into genesis shards based on their accountIndex
 	nodeConfig.ShardID = uint32(genesisAccount.ShardID)
 
+	// Set up consensus keys.
+	setUpConsensusKeyAndReturnIndex(nodeConfig)
+
 	// P2p private key is used for secure message transfer between p2p nodes.
 	nodeConfig.P2pPriKey, _, err = utils.LoadKeyFromFile(*keyFile)
 	if err != nil {