I get this error upon trying that ^
HTTP request failed: Failed to connect to 127.0.0.1 port 23110: Connection refused
Do you have the wallet running? Also you should have something like this in your roicoin.conf
rpcuser=
rpcpassword=
rpcallowip=127.0.0.1
rpcport=23110
rpcthreads=40
server=1
daemon=1
gen=0
miningaddress=RSfJ6bx6ckQ9kYNnXNxzB78ijCf4e1wSad