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fix(market): search your zone by a coarse prefix, not the exact cell

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Discovery searched the full 5-char geohash (~2.4 km) with an exact Nostr tag
match, so two devices in adjacent cells never found each other even though
publish emits the full NIP-52 prefix ladder. Search now coarsens the area to a
configurable precision (SocialSettings.searchPrecision, default 4 ~20 km) via
searchPrefix(), with a human-worded 'how far' selector (Very close / Around
here / My region -> 5/4/3) in the market setup sheet.

Also: surface a clear 'couldn't reach the servers' message when no relay
accepts a share (instead of 'shared 0'), and add wss://relay.comunes.org as the
first default relay (reliable community home; public relays are backup).

Tests: settings precision (default/clamp/roundtrip), searchPrefix helper,
neighbour-cell discovery regression (offers_cubit + commons_core nostr
transports), and the range-selector widget test.
This commit is contained in:
vjrj 2026-07-10 16:12:38 +02:00
parent 1fb8e37536
commit 97b9223cb2
16 changed files with 268 additions and 10 deletions
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24
apps/app_seeds/test/services/social_settings_test.dart
View file

@ -47,4 +47,28 @@ void main() {
await settings.setAreaGeohash('sp3e9');
expect(await settings.isConfigured, isTrue);
});
test('search precision defaults to 4 (a wide "around here")', () async {
expect(await settings.searchPrecision(), 4);
});
test('stores and reads back the search precision', () async {
await settings.setSearchPrecision(3);
expect(await settings.searchPrecision(), 3);
await settings.setSearchPrecision(5);
expect(await settings.searchPrecision(), 5);
});
test('search precision is clamped to the 3–5 range', () async {
await settings.setSearchPrecision(1);
expect(await settings.searchPrecision(), 3);
await settings.setSearchPrecision(9);
expect(await settings.searchPrecision(), 5);
});
test('a corrupt stored precision falls back to the default', () async {
final store = FakeSecretStore();
await store.write('tane.social.search_precision', 'oops');
expect(await SocialSettings(store).searchPrecision(), 4);
});
}