Fix EnableMining#60
Fix EnableMining#60

https://github.com/OpenNetworking/gcoin-community/issues/60

OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community