$ git clone https://github.com/DoraNetwork/ultron.git
$ cd ultron
$ git checkout master
$ make all
$ build/ultron node init --home ~/.ultron
$ build/ultron node start --home ~/.ultron
$ build/ultron attach http://localhost:8545
$ git clone https://github.com/DoraNetwork/ultron.git
$ cd ultron
$ git checkout master
$ make all
$ build/ultron node init --home ~/.ultron
$ build/ultron node start --home ~/.ultron
$ build/ultron attach http://localhost:8545