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 >=1.16.14

Install go

• Download and upload the latest version of go lang tar file for ubuntu linux

sudo tar -xvf go1.18.5.linux-amd64.tar.gz

• Open vi .profile file

vi .profile

• Add following lines in vi .profile

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

vi .bashrc

• Add following lines in vi .bashrc:

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 aurora

• mkdir github.com/hcnet in /go/src
• go to /go/src/github.com/hcnet and execute following command:
• git clone https://github.com/HashCash-Consultants/go.git --branch v2.20.0
• go to /go/src/github.com/hcnet /go and execute following command:

$ go to /go/src

$ go install -v ./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

Hcnet Development Foundation