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| 1 | +// ignore_for_file: avoid_print |
| 2 | + |
1 | 3 | import 'package:catalyst_key_derivation/catalyst_key_derivation.dart';
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2 | 4 | import 'package:flutter/material.dart';
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3 | 5 |
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@@ -34,7 +36,32 @@ class MyApp extends StatelessWidget {
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34 | 36 | }
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35 | 37 |
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36 | 38 | Future<void> _doMagic() async {
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37 |
| - // ignore: avoid_print |
38 |
| - print(await greet(name: 'Tom')); |
| 39 | + final xprv = await mnemonicToXprv( |
| 40 | + mnemonic: 'prevent company field green slot measure chief' |
| 41 | + ' hero apple task eagle sunset endorse dress seed', |
| 42 | + ); |
| 43 | + print('Master xprv ${xprv.inner}'); |
| 44 | + |
| 45 | + final xpub = await xprv.xpublicKey(); |
| 46 | + print('Master xpub ${xpub.inner}'); |
| 47 | + |
| 48 | + final data = [1, 2, 3, 4]; |
| 49 | + final sig = await xprv.signData(data: data); |
| 50 | + |
| 51 | + final checkXprvSig = await xprv.verifySignature(data: data, signature: sig); |
| 52 | + print('Check signature by using xprv $checkXprvSig'); |
| 53 | + |
| 54 | + final checkXpubSig = await xpub.verifySignature(data: data, signature: sig); |
| 55 | + print('Check signature by using xpub $checkXpubSig'); |
| 56 | + |
| 57 | + const path = "m/1852'/1815'/0'/2/0"; |
| 58 | + final childXprv = await xprv.deriveXprv(path: path); |
| 59 | + print('Derive xprv with $path: ${childXprv.inner}'); |
| 60 | + |
| 61 | + final childXprvHex = childXprv.toHex(); |
| 62 | + print('Master xprv hex $childXprvHex'); |
| 63 | + |
| 64 | + xprv.drop(); |
| 65 | + print('Master xprv dropped ${xprv.inner}'); |
39 | 66 | }
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40 | 67 | }
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