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feat(block2): Ğ1 — publish a Ğ1 address + 'Pay in Ğ1' in chat (levels 1-2)

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The optional Ğ1 (free currency) integration, per g1-integration.md.
- Profile: an optional 'Ğ1 address' field, persisted locally and published in
  your NIP-01 kind:0 metadata (separate from the Nostr key).
- commons_core: UserProfile/ProfileTransport carry a 'g1' field (round-trip
  tested).
- Chat: when the peer published a Ğ1 address, a 'Pay in Ğ1' app-bar action opens
  their wallet (url_launcher) so value moves in the wallet, not the app — copies
  the address as a fallback. No payment rails in-app (sharing-model §4.3).

NOTE (vjrj): the wallet deep-link uses the Cesium web wallet as a universal
fallback; swap the URI in chat_screen._payG1 for the Ğ1nkgo/Ğecko scheme you
prefer. Analyzer clean (both packages); profile transport test covers g1.
This commit is contained in:
vjrj 2026-07-10 13:06:38 +02:00
parent d0d2ecb132
commit d7136ec2c2
13 changed files with 138 additions and 14 deletions
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3
packages/commons_core/lib/src/social/nostr/nostr_profile_transport.dart
View file

@ -19,11 +19,13 @@ class NostrProfileTransport implements ProfileTransport {
String name = '',
String about = '',
String picture = '',
String g1 = '',
}) async {
final content = jsonEncode({
if (name.isNotEmpty) 'name': name,
if (about.isNotEmpty) 'about': about,
if (picture.isNotEmpty) 'picture': picture,
if (g1.isNotEmpty) 'g1': g1,
});
final event = Event.from(
kind: kindMetadata,
@ -50,6 +52,7 @@ class NostrProfileTransport implements ProfileTransport {
name: (map['name'] as String?) ?? '',
about: (map['about'] as String?) ?? '',
picture: (map['picture'] as String?) ?? '',
g1: (map['g1'] as String?) ?? '',
);
} catch (_) {
return UserProfile(pubkeyHex: pubkeyHex);

10
packages/commons_core/lib/src/social/profile_transport.dart
View file

@ -6,6 +6,7 @@ class UserProfile {
this.name = '',
this.about = '',
this.picture = '',
this.g1 = '',
});
final String pubkeyHex;
@ -13,7 +14,12 @@ class UserProfile {
final String about;
final String picture;
bool get isEmpty => name.isEmpty && about.isEmpty && picture.isEmpty;
/// Optional Ğ1 (Duniter) address the person chose to publish, so peers can pay
/// them in Ğ1. Separate from the Nostr key; empty when not shared.
final String g1;
bool get isEmpty =>
name.isEmpty && about.isEmpty && picture.isEmpty && g1.isEmpty;
}
/// Publish/fetch public profile metadata. Kind:0 is replaceable — publishing
@ -21,7 +27,7 @@ class UserProfile {
/// sibling of the offer/message/trust transports over the same connection.
abstract interface class ProfileTransport {
/// Publishes (replaces) this identity's profile.
Future<void> publish({String name, String about, String picture});
Future<void> publish({String name, String about, String picture, String g1});
/// Fetches [pubkeyHex]'s latest profile, or null if they never published one.
Future<UserProfile?> fetch(String pubkeyHex);