toPrivateBase58 method
Implementation
String toPrivateBase58() {
final version = network.bip32.private ;
Uint8List buffer = Uint8List(78);
ByteData bytes = buffer.buffer.asByteData();
bytes.setUint32(0, version);
bytes.setUint8(4, depth);
bytes.setUint32(5, parentFingerprint);
bytes.setUint32(9, index);
buffer.setRange(13, 45, chainCode);
bytes.setUint8(45, 0);
buffer.setRange(46, 78, privateKey!);
return bs58check.encode(buffer);
}