index.cr

class Bitcoins::Index < BrowserAction

  get "/bitcoins" do
  
    addresses = populate_balances(KeyPairQuery.new.user_id(current_user.id))
    
    render IndexPage, addresses: addresses, form: KeyPairForm.new
  end
  
  private def populate_balances(key_pair_query)
  
    just_addresses = key_pair_query.map{ |keypair| keypair.public_key }
    
    balances = OnChain::API::Address.get_balances(
      "testnet3", just_addresses.join(","))
      
    case balances
    when OnChain::API::Balances
      return key_pair_query.map{ |keypair|
        bal = balances.addresses.find { |a| a.address == keypair.public_key }
        human_bal = "0"
        human_bal = bal.human_balance.to_s if bal
        { keypair.label, keypair.public_key, human_bal }
      }
    else
      puts balances
      return key_pair_query.map{ |keypair|
        { keypair.label, keypair.public_key, "" }
      }
    end
  end
end