Transaction signing and address creation for ARDOR

Original authors: toenu23, modified for Ardor platform by Toxiapo

npm install ardorjs

Execute the tests with npm test

Module not found: Error: Can't resolve 'crypto' Download patch.js: https://gist.github.com/niespodd/1fa82da6f8c901d1c33d2fcbb762947d and run node patch.js