To build and install the gem manually run the following commands from the root project folder:
gem build optimalpayments.gemspec
gem install optimalpayments
On Windows, you will be required set an environment variable named "SSL_CERT_FILE" that points to a valid CA certificate on your system in order to perform the https operations.
Update the following file with your account number, credentials and currency details:
/sample_rails_app/config/environments/development.rb
Run the following commands:
bundle install
rails server
Open your web browser and navigate to: