require 'radiator'
comment = {
type: :comment,
parent_permlink: 'test',
author: 'your-account',
permlink: 'something-unique',
title: 'Radiator Can Post Comments!',
body: 'Yep, this post was created by Radiator in `ruby`.',
json_metadata: '',
parent_author: ''
}
tx = Radiator::Transaction.new(wif: 'Your Wif Here')
op = Radiator::Operation.new(comment)
tx.operations << op
tx.process(true)
Here's how it's done: