Example.pm

## Current
sub new_transaction($self, $c) : POST At('/transactions/new') {
  my $form = $c->model('Form::Transaction');
  if($form->validated) {
    if(my $result = $c->model('Blockchain')->submit_transaction(%{$form->fif})) {
      return $c->view('TransactionAdded', transaction_result=>$result)->http_201;
    } else {
      return $c->view('InvalidTransaction')->http_406;
    }
  } else {
    return $c->view('InvalidTransaction', errors=>$form->errors)->http_406;
  }
}

## Flat API approach
sub new_transaction($self, $c) : POST At('/transactions/new') {
  my $form = $c->form('Transaction');
  if($form->validated) {
    if(my $result = $c->blockchain->submit_transaction(%{$form->fif})) {
      return $c->send_json(201, +{transaction_result=>$result});
    } else {
      return $c->send_json(406, +{message=>'Transaction Error!'});
    }
  } else {
    $c->send_json(400, +{errors=>$form->errors'});
  }
}