message: rename `get_xprv` to `get_bip44_xprv`
diff: @@ -125,7 +125,7 @@ impl Wallet {
  let txid = tx.id();
  for input in selected_inputs {
  - let key = self.get_xprv(&input.addressing);
  + let key = self.get_bip44_xprv(&input.addressing);
  let txwitness = tx::TxInWitness::new(&self.config, &key, &txid);
  witnesses.push(txwitness);
  @@ -147,7 +147,7 @@ impl Wallet {
  None => unimplemented!(),
  Some(ref addr) => {
  match addr {
  - TxInInfoAddr::Bip44(ref addressing) => self.get_xprv(addressing),
  + TxInInfoAddr::Bip44(ref addressing) => self.get_bip44_xprv(addressing),
  TxInInfoAddr::Level2(ref addressing) => unimplemented!(),
  }
  }
  @@ -255,7 +255,7 @@ impl Wallet {
  /// retrieve the key from the wallet and the given path
  ///
  /// TODO: this function is not meant to be public
  - pub fn get_xprv(&self, addressing: &Addressing) -> hdwallet::XPrv {
  + pub fn get_bip44_xprv(&self, addressing: &Addressing) -> hdwallet::XPrv {
  self.get_cached_key()
  .derive(self.derivation_scheme, addressing.account.get_scheme_value())
  .derive(self.derivation_scheme, addressing.change)
  