go

README

Aurora setup

To build aurora you must have go and dep in your ubuntu enivironment. To install go you need to perform below steps and go version must be >=1.9

Install go

• sudo curl -O https://storage.googleapis.com/golang/go1.9.1.linux-amd64.tar.gz
• sudo tar -xvf go1.9.1.linux-amd64.tar.gz
• Open vi .profile file and add following lines:

PATH="$HOME/bin:$HOME/.local/bin:$PATH"
export GOPATH=$HOME/go
export PATH=${GOPATH}/bin:${PATH}
and save the file

• Open vi .bashrc and add following lines

eval "$(direnv hook bash)"
export GOPATH=$HOME/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

• To refresh the files execute following commands:

source ~/.profile
source  ~/.bashrc

• Check go version

$ go version

Install dep

• sudo -s
• curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
• Check dep version

$ dep version

Install aurora

• mkdir github.com/hcnet in /home/ubuntu/go/src
• go to /home/ubuntu/go/src/github.com/hcnet and execute following command:
• git clone https://github.com/HashCash-Consultants/go.git
• go to /home/ubuntu/go/src/github.com/hcnet /go and execute following command:

$ sudo apt-get install mercurial

$ dep ensure –v

• go to /home/ubuntu/go/src and execute following command:

$ go install -ldflags "-X github.com/hcnet/go/support/app.version=aurora-0.16.0" github.com/hcnet/go/services/aurora/

• after running above command you check aurora build in <Your_dir>/go/bin folder and you can check aurora version by following command :

$ ./aurora version

Aurora database setup

• Create a user for HC Net aurora database.

$ sudo -s
$ su – postgres
$ createuser <username> --pwprompt
$ Enter password for new role: <Enter password>
$ Enter it again: <Enter the pwd again>

• You need to add Aurora user. Exit from postgres and login as root user and execute following command.

$ exit
$ adduser <username>;

• To verify if user is created, execute following commands

$ su - postgres
$ psql
$ \du

• Create a blank database using following command.

 $ CREATE DATABASE <DB_NAME> OWNER <user created>;

Initialize aurora

• Initialize aurora with database login as root user and Go “go/bin” using following command

 $ export DATABASE_URL="postgresql://define aurora db username:define aurora db user password@localhost/define aurora database name"

• After that Go “go/bin” and execute following command

$ ./aurora db init

Aurora up command

• Go “go/bin” execute following command

$ sudo nohup ./aurora --db-url="postgresql://define aurora db username:define aurora db user password @localhost/define aurora database name" --hcnet-core-db-url="postgresql://define Node1 database username:define Node1 database user password@localhost/define Node1 database name" --hcnet-core-url="http://localhost:11626" --network-passphrase="define Network password" --ingest="true" --per-hour-rate-limit=540000000 &