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refactor(core,keys): BIP-39's English list moves into halkyon_core

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The list a recovery phrase's words are of moves from halkyon_keys into
halkyon_core, exported as bip39English, so that the server module can
take a waiting account's matching code from it (Halkyon Learn's ADR
0021, D33) without depending on halkyon_keys and libsodium. Its test
(2048 words, sorted, the published file's SHA-256, unique by their first
four letters) moves along; its MIT licence too.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
This commit is contained in:
Tizian 「ティツィアーン」 2026-10-25 15:04:09 +01:00
commit b2aa7667c4
Signed by: raisondetredev
GPG key ID: 07F6FCF405488B64
1 changed files with 41 additions and 20 deletions
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14
packages/halkyon_keys/test/recovery_phrase_test.dart
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@ -1,8 +1,6 @@
import 'dart:typed_data';
import 'package:crypto/crypto.dart';
import 'package:halkyon_keys/halkyon_keys.dart';
import 'package:halkyon_keys/src/bip39_english.dart';
import 'package:sodium/sodium_sumo.dart';
import 'package:test/test.dart';
@ -21,18 +19,6 @@ Future<void> main() async {
isA<KeyRefused>().having((refused) => refused.reason, 'reason', reason),
);
test("the word list is BIP-39's English list: 2,048 words, sorted, each "
'once', () {
expect(bip39English, hasLength(2048));
expect(bip39English.toSet(), hasLength(2048));
expect([...bip39English]..sort(), bip39English);
// The SHA-256 of english.txt, a word a line.
expect(
sha256.convert('${bip39English.join('\n')}\n'.codeUnits).toString(),
'2f5eed53a4727b4bf8880d8f3f199efc90e58503646d9ff8eff3a2ed3b24dbda',
);
});
group("BIP-39's English test vectors (trezor/python-mnemonic)", () {
for (final (entropy, mnemonic) in bip39Vectors) {
test(mnemonic.split(' ').take(3).join(' '), () {