coin property

Implementation

@override
Bip86 get coin {
  if (!isLevel(Bip44Levels.purpose)) {
    throw Bip44DepthError(
      "Current depth (${bip32.depth.toInt()}) is not suitable for deriving coin",
    );
  }
  final coinIndex = coinConf.coinIdx;
  return Bip86._(
    bip32.childKey(Bip32KeyIndex.hardenIndex(coinIndex)),
    coinConf,
  );
}