account method
derive account with index
Implementation
@override
Bip49 account(int accIndex) {
if (!isLevel(Bip44Levels.coin)) {
throw Bip44DepthError(
"Current depth (${bip32.depth.toInt()}) is not suitable for deriving account");
}
return Bip49._(
bip32.childKey(Bip32KeyIndex.hardenIndex(accIndex)), coinConf);
}