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DB_SETUP_POSTGRESQL.md

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Install PostgreSQL

Download PostgreSQL

Linux (Ubuntu/Debian)

sudo sh -c 'echo "deb https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get -y install postgresql

Initial Set up

Once installed you need to run a least minimum initialization of your database server:

  • Create a database
  • Create a user (representing the Signum Node)
  • Give user access to the database

Run psql in your command line; You should see something like this:

user@computer:~$ psql
psql (16.1 (Ubuntu 16.1-1.pgdg20.04+1), server 12.17 (Ubuntu 12.17-1.pgdg20.04+1))
Type "help" for help.

user=#

This is on Linux, but it might be somehow similar on Windows, or Mac.

Then execute the following commands in the psql prompt.

For Main Net

The main net should be the preferred setup, unless you want to do some development.

-- Create the user (choose another password if you want)
CREATE USER signumnode WITH PASSWORD 's1gn00m_n0d3';

-- Create the database
CREATE DATABASE signum OWNER=signumnode;

Now, you need to configure your database connection in the ./conf/node.properties file

In node.properties file:

DB.Url=jdbc:postgresql://localhost:5432/signum
DB.Username=signumnode
# The chosen password
DB.Password=s1gn00m_n0d3

For Test Net

Testnet is usually only for slightly advanced users. The testnet allows you "play" around without having to buy/get real SIGNA. Ask the community to get some "play money" (TSIGNA).

If you switch often between Main and Testnet networks it might be interesting to set up Postgres for both networks. Just create another database and grant the Signum Node access to that database. We assume that the user signumnode exists already.

-- Create the database
CREATE DATABASE signum_testnet OWNER=signumnode;

Then you can switch between both networks by just changing the properties accordingly:

In node.properties file:

node.network = signum.net.TestnetNetwork
DB.Url=jdbc:postgresql://localhost:5432/signum_testnet
DB.Username=signumnode
DB.Password=s1gn00m_n0d3