message: we are still in bootstrap era for now
diff: @@ -67,8 +67,8 @@ impl Wallet {
  indices.iter().cloned().map(|index| {
  let pk = change_prv.derive(index).public();
  let addr_type = address::AddrType::ATPubKey;
  - let sd = address::SpendingData::PubKeyASD(pk.clone());
  - let attrs = address::Attributes::new_single_key(&pk, None);
  + let sd = address::SpendingData::PubKeyASD(pk);
  + let attrs = address::Attributes::new_bootstrap_era(None);
  address::ExtendedAddr::new(addr_type, sd, attrs)
  }).collect()
  