diff --git a/artifacts/mobile/app.json b/artifacts/mobile/app.json
index e27cbea..7aaf9fc 100644
--- a/artifacts/mobile/app.json
+++ b/artifacts/mobile/app.json
@@ -20,7 +20,20 @@
"adaptiveIcon": {
"foregroundImage": "./assets/images/icon.png",
"backgroundColor": "#0A0A12"
- }
+ },
+ "intentFilters": [
+ {
+ "action": "VIEW",
+ "autoVerify": false,
+ "data": [
+ {
+ "scheme": "mobile",
+ "host": "nostr-callback"
+ }
+ ],
+ "category": ["BROWSABLE", "DEFAULT"]
+ }
+ ]
},
"web": {
"favicon": "./assets/images/icon.png",
diff --git a/artifacts/mobile/app/_layout.tsx b/artifacts/mobile/app/_layout.tsx
index 4eb88fc..aa4c320 100644
--- a/artifacts/mobile/app/_layout.tsx
+++ b/artifacts/mobile/app/_layout.tsx
@@ -16,6 +16,7 @@ import { SafeAreaProvider } from "react-native-safe-area-context";
import { ErrorBoundary } from "@/components/ErrorBoundary";
import { TimmyProvider } from "@/context/TimmyContext";
+import { NostrProvider } from "@/context/NostrContext";
import { ONBOARDING_COMPLETED_KEY } from "@/constants/storage-keys";
SplashScreen.preventAutoHideAsync();
@@ -77,9 +78,11 @@ export default function RootLayout() {
-
-
-
+
+
+
+
+
diff --git a/artifacts/mobile/app/settings.tsx b/artifacts/mobile/app/settings.tsx
index b0f38f5..c539719 100644
--- a/artifacts/mobile/app/settings.tsx
+++ b/artifacts/mobile/app/settings.tsx
@@ -1,114 +1,101 @@
-import { Stack } from 'expo-router';
-import { View, Text, StyleSheet, ScrollView, TextInput, Switch, Pressable, Linking, Platform } from 'react-native';
-import { useState, useEffect } from 'react';
-import AsyncStorage from '@react-native-async-storage/async-storage';
-import * as SecureStore from 'expo-secure-store';
-import Constants from 'expo-constants';
-import { useTimmy } from '@/context/TimmyContext';
-import { Ionicons } from '@expo/vector-icons';
-import { ConnectionBadge } from '@/components/ConnectionBadge';
-import { Colors } from '@/constants/colors';
+import { Stack } from "expo-router";
+import {
+ Linking,
+ Platform,
+ Pressable,
+ ScrollView,
+ StyleSheet,
+ Switch,
+ Text,
+ TextInput,
+ View,
+} from "react-native";
+import { useState, useEffect } from "react";
+import AsyncStorage from "@react-native-async-storage/async-storage";
+import Constants from "expo-constants";
+import { Ionicons } from "@expo/vector-icons";
-const STORAGE_KEYS = {
- SERVER_URL: 'settings_server_url',
- NOTIFICATIONS_JOB_COMPLETION: 'settings_notifications_job_completion',
- NOTIFICATIONS_LOW_BALANCE: 'settings_notifications_low_balance',
- NOSTR_PRIVATE_KEY: 'settings_nostr_private_key', // Use SecureStore for this
-};
+import { useTimmy } from "@/context/TimmyContext";
+import { useNostr, truncateNpub } from "@/context/NostrContext";
+import { ConnectionBadge } from "@/components/ConnectionBadge";
+import { NostrConnectModal } from "@/components/NostrConnectModal";
+import { Colors } from "@/constants/colors";
+
+const NOTIF_JOB_KEY = "settings.notifications_job_completion";
+const NOTIF_BALANCE_KEY = "settings.notifications_low_balance";
export default function SettingsScreen() {
- const { apiBaseUrl, setApiBaseUrl, isConnected, nostrPublicKey, connectNostr, disconnectNostr } = useTimmy();
const C = Colors.dark;
+ const { apiBaseUrl, setApiBaseUrl, isConnected } = useTimmy();
+ const { npub, nostrConnected, signerType, disconnect: disconnectNostr } = useNostr();
const [serverUrl, setServerUrl] = useState(apiBaseUrl);
const [jobCompletionNotifications, setJobCompletionNotifications] = useState(false);
const [lowBalanceWarning, setLowBalanceWarning] = useState(false);
- const [currentNpub, setCurrentNpub] = useState(nostrPublicKey);
+ const [nostrModalVisible, setNostrModalVisible] = useState(false);
+
+ // Sync local serverUrl with context value (e.g. on first load from AsyncStorage)
+ useEffect(() => {
+ setServerUrl(apiBaseUrl);
+ }, [apiBaseUrl]);
useEffect(() => {
- // Load settings from AsyncStorage and SecureStore
- const loadSettings = async () => {
- const storedServerUrl = await AsyncStorage.getItem(STORAGE_KEYS.SERVER_URL);
- if (storedServerUrl) {
- setServerUrl(storedServerUrl);
- }
- const storedJobCompletion = await AsyncStorage.getItem(STORAGE_KEYS.NOTIFICATIONS_JOB_COMPLETION);
- if (storedJobCompletion !== null) {
- setJobCompletionNotifications(JSON.parse(storedJobCompletion));
- }
- const storedLowBalance = await AsyncStorage.getItem(STORAGE_KEYS.NOTIFICATIONS_LOW_BALANCE);
- if (storedLowBalance !== null) {
- setLowBalanceWarning(JSON.parse(storedLowBalance));
- }
- // Nostr npub is handled by TimmyContext, so we just use the provided nostrPublicKey
- setCurrentNpub(nostrPublicKey);
- };
- loadSettings();
- }, [nostrPublicKey]);
+ AsyncStorage.multiGet([NOTIF_JOB_KEY, NOTIF_BALANCE_KEY])
+ .then(([[, job], [, balance]]) => {
+ if (job !== null) setJobCompletionNotifications(JSON.parse(job));
+ if (balance !== null) setLowBalanceWarning(JSON.parse(balance));
+ })
+ .catch(() => {});
+ }, []);
- // Update apiBaseUrl in context when serverUrl changes and is saved
- useEffect(() => {
+ const handleServerUrlBlur = () => {
if (serverUrl !== apiBaseUrl) {
setApiBaseUrl(serverUrl);
- AsyncStorage.setItem(STORAGE_KEYS.SERVER_URL, serverUrl);
}
- }, [serverUrl, setApiBaseUrl, apiBaseUrl]);
-
- const handleServerUrlChange = (text: string) => {
- setServerUrl(text);
};
- const toggleJobCompletionNotifications = async () => {
- const newValue = !jobCompletionNotifications;
- setJobCompletionNotifications(newValue);
- await AsyncStorage.setItem(STORAGE_KEYS.NOTIFICATIONS_JOB_COMPLETION, JSON.stringify(newValue));
+ const toggleJobCompletion = async () => {
+ const next = !jobCompletionNotifications;
+ setJobCompletionNotifications(next);
+ await AsyncStorage.setItem(NOTIF_JOB_KEY, JSON.stringify(next));
};
- const toggleLowBalanceWarning = async () => {
- const newValue = !lowBalanceWarning;
- setLowBalanceWarning(newValue);
- await AsyncStorage.setItem(STORAGE_KEYS.NOTIFICATIONS_LOW_BALANCE, JSON.stringify(newValue));
- };
-
- const handleConnectNostr = async () => {
- // This will ideally link to a dedicated Nostr connection flow
- console.log('Connect Nostr button pressed');
- // For now, simulate connection if not connected
- if (!currentNpub) {
- // This is a placeholder. Real implementation would involve generating/importing keys.
- const simulatedNpub = 'npub1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';
- connectNostr(simulatedNpub, 'private_key_placeholder'); // Pass a placeholder private key
- setCurrentNpub(simulatedNpub);
- // In a real app, the private key would be securely stored and managed by the context
- // For now, just a placeholder to show connected state
- }
+ const toggleLowBalance = async () => {
+ const next = !lowBalanceWarning;
+ setLowBalanceWarning(next);
+ await AsyncStorage.setItem(NOTIF_BALANCE_KEY, JSON.stringify(next));
};
const handleDisconnectNostr = async () => {
await disconnectNostr();
- setCurrentNpub(null);
};
- const appVersion = Constants.expoConfig?.version || 'N/A';
- const buildCommitHash = Constants.expoConfig?.extra?.gitCommitHash || 'N/A';
- const giteaRepoUrl = 'http://143.198.27.163:3000/replit/timmy-tower';
-
- const openGiteaLink = () => {
- Linking.openURL(giteaRepoUrl);
- };
+ const appVersion = Constants.expoConfig?.version ?? "N/A";
+ const buildCommitHash = Constants.expoConfig?.extra?.["gitCommitHash"] ?? "N/A";
+ const giteaRepoUrl = "http://143.198.27.163:3000/replit/timmy-tower";
return (
-
-
+
+
- Connection
+
+ {/* ── Connection ──────────────────────────────────────────────── */}
+ Connection
- Server URL
+ Server URL
- Notifications
-
- Job Completion Push Notifications
+ {/* ── Notifications ────────────────────────────────────────────── */}
+ Notifications
+
+ Job Completion
-
- Low Balance Warning
+
+ Low Balance Warning
- Identity
-
- Nostr Public Key
+ {/* ── Nostr Identity ───────────────────────────────────────────── */}
+ Identity
+
+ Nostr Public Key
- {currentNpub ? `${currentNpub.substring(0, 10)}...${currentNpub.substring(currentNpub.length - 5)}` : 'Not connected'}
+ {npub ? truncateNpub(npub) : "Not connected"}
+
+ {nostrConnected && signerType && (
+
+ Signer
+
+ {signerType === "amber" ? "Amber (NIP-55)" : "nsec key"}
+
+
+ )}
+
- {!currentNpub ? (
- [styles.button, { backgroundColor: C.accent, opacity: pressed ? 0.8 : 1 }]}>
- Connect Nostr
+ {!nostrConnected ? (
+ setNostrModalVisible(true)}
+ style={({ pressed }) => [
+ styles.button,
+ { backgroundColor: C.accent, opacity: pressed ? 0.8 : 1 },
+ ]}
+ >
+
+ Connect Nostr Identity
+
) : (
- [styles.button, { backgroundColor: C.destructive, opacity: pressed ? 0.8 : 1 }]}>
- Disconnect Nostr
+ [
+ styles.button,
+ { backgroundColor: C.destructive, opacity: pressed ? 0.8 : 1 },
+ ]}
+ >
+
+ Disconnect Nostr
+
)}
- About
-
- App Version
+ {/* ── About ───────────────────────────────────────────────────── */}
+ About
+
+ App Version
{appVersion}
-
- Build Commit Hash
+
+ Build Commit
{buildCommitHash}
- [styles.linkButton, { opacity: pressed ? 0.8 : 1 }]}>
+ Linking.openURL(giteaRepoUrl)}
+ style={({ pressed }) => [styles.linkButton, { opacity: pressed ? 0.8 : 1 }]}
+ >
- View project on Gitea
+
+ View project on Gitea
+
+
+ setNostrModalVisible(false)}
+ />
);
}
@@ -180,7 +206,6 @@ export default function SettingsScreen() {
const styles = StyleSheet.create({
container: {
flex: 1,
- backgroundColor: Colors.dark.background, // Use background color from Colors
},
scrollContent: {
padding: 20,
@@ -188,36 +213,35 @@ const styles = StyleSheet.create({
},
sectionHeader: {
fontSize: 18,
- fontWeight: 'bold',
- color: Colors.dark.text,
+ fontWeight: "bold",
marginTop: 20,
marginBottom: 10,
},
settingItem: {
- flexDirection: 'row',
- justifyContent: 'space-between',
- alignItems: 'center',
+ flexDirection: "row",
+ justifyContent: "space-between",
+ alignItems: "center",
paddingVertical: 12,
borderBottomWidth: 0.5,
- borderBottomColor: Colors.dark.border,
},
settingLabel: {
fontSize: 16,
- color: Colors.dark.text,
flex: 1,
},
settingValue: {
- fontSize: 16,
+ fontSize: 14,
+ flexShrink: 1,
+ textAlign: "right",
+ marginLeft: 8,
},
serverUrlContainer: {
- flexDirection: 'row',
- alignItems: 'center',
+ flexDirection: "row",
+ alignItems: "center",
flex: 2,
},
input: {
flex: 1,
borderWidth: 1,
- borderColor: Colors.dark.border,
borderRadius: 8,
padding: 8,
fontSize: 14,
@@ -225,7 +249,7 @@ const styles = StyleSheet.create({
},
buttonContainer: {
marginTop: 20,
- alignItems: 'flex-start',
+ alignItems: "flex-start",
},
button: {
paddingVertical: 10,
@@ -234,11 +258,11 @@ const styles = StyleSheet.create({
},
buttonText: {
fontSize: 16,
- fontWeight: 'bold',
+ fontWeight: "bold",
},
linkButton: {
- flexDirection: 'row',
- alignItems: 'center',
+ flexDirection: "row",
+ alignItems: "center",
marginTop: 15,
paddingVertical: 8,
},
diff --git a/artifacts/mobile/components/NostrConnectModal.tsx b/artifacts/mobile/components/NostrConnectModal.tsx
new file mode 100644
index 0000000..6b45e3e
--- /dev/null
+++ b/artifacts/mobile/components/NostrConnectModal.tsx
@@ -0,0 +1,276 @@
+/**
+ * NostrConnectModal — UI for connecting a Nostr identity on mobile.
+ *
+ * Android: offers "Connect with Amber" (NIP-55) as the primary action,
+ * with manual nsec entry as a secondary option.
+ * iOS / other: manual nsec entry only.
+ */
+
+import React, { useCallback, useState } from "react";
+import {
+ ActivityIndicator,
+ Modal,
+ Platform,
+ Pressable,
+ StyleSheet,
+ Text,
+ TextInput,
+ View,
+} from "react-native";
+import { Ionicons } from "@expo/vector-icons";
+
+import { Colors } from "@/constants/colors";
+import { useNostr } from "@/context/NostrContext";
+
+// ─── Props ────────────────────────────────────────────────────────────────────
+
+type Props = {
+ visible: boolean;
+ onClose: () => void;
+};
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+export function NostrConnectModal({ visible, onClose }: Props) {
+ const C = Colors.dark;
+ const { connectWithAmber, connectWithNsec, canUseAmber } = useNostr();
+
+ const [showNsecForm, setShowNsecForm] = useState(!canUseAmber);
+ const [nsecInput, setNsecInput] = useState("");
+ const [error, setError] = useState(null);
+ const [loading, setLoading] = useState(false);
+
+ const handleClose = useCallback(() => {
+ setNsecInput("");
+ setError(null);
+ setShowNsecForm(!canUseAmber);
+ onClose();
+ }, [canUseAmber, onClose]);
+
+ const handleAmberPress = useCallback(async () => {
+ setError(null);
+ setLoading(true);
+ try {
+ await connectWithAmber();
+ // Amber opens; the result arrives via deep-link callback.
+ // Close the modal — NostrContext handles the incoming URL.
+ handleClose();
+ } finally {
+ setLoading(false);
+ }
+ }, [connectWithAmber, handleClose]);
+
+ const handleNsecConnect = useCallback(async () => {
+ if (!nsecInput.trim()) {
+ setError("Please enter your nsec key");
+ return;
+ }
+ setError(null);
+ setLoading(true);
+ const result = await connectWithNsec(nsecInput.trim());
+ setLoading(false);
+ if (result.success) {
+ handleClose();
+ } else {
+ setError(result.error);
+ }
+ }, [nsecInput, connectWithNsec, handleClose]);
+
+ return (
+
+
+
+ {/* Header */}
+
+ Connect Nostr Identity
+
+
+
+
+
+ {/* Android: Amber option */}
+ {canUseAmber && !showNsecForm && (
+
+
+ Connect using{" "}
+ Amber{" "}
+ — your keys stay in Amber and are never exposed to this app.
+
+
+ [
+ styles.primaryButton,
+ { backgroundColor: C.accent, opacity: pressed || loading ? 0.75 : 1 },
+ ]}
+ >
+ {loading ? (
+
+ ) : (
+ <>
+
+
+ Connect with Amber
+
+ >
+ )}
+
+
+ setShowNsecForm(true)}
+ style={styles.secondaryLink}
+ >
+
+ Enter nsec manually instead
+
+
+
+ )}
+
+ {/* nsec form */}
+ {showNsecForm && (
+
+ {canUseAmber && (
+ { setShowNsecForm(false); setError(null); }}
+ style={styles.backLink}
+ >
+
+
+ Use Amber instead
+
+
+ )}
+
+
+ Paste your{" "}
+ nsec1…{" "}
+ private key. It will be stored only in the device secure keystore
+ and never logged or transmitted.
+
+
+ { setNsecInput(t); setError(null); }}
+ autoCapitalize="none"
+ autoCorrect={false}
+ secureTextEntry
+ editable={!loading}
+ />
+
+ {error && (
+
+ {error}
+
+ )}
+
+ [
+ styles.primaryButton,
+ { backgroundColor: C.accent, opacity: pressed || loading ? 0.75 : 1 },
+ ]}
+ >
+ {loading ? (
+
+ ) : (
+
+ Connect
+
+ )}
+
+
+ )}
+
+
+
+ );
+}
+
+// ─── Styles ───────────────────────────────────────────────────────────────────
+
+const styles = StyleSheet.create({
+ overlay: {
+ flex: 1,
+ justifyContent: "flex-end",
+ backgroundColor: "rgba(0,0,0,0.6)",
+ },
+ sheet: {
+ borderTopLeftRadius: 20,
+ borderTopRightRadius: 20,
+ borderWidth: 1,
+ borderBottomWidth: 0,
+ paddingHorizontal: 24,
+ paddingTop: 20,
+ paddingBottom: Platform.OS === "ios" ? 40 : 24,
+ },
+ header: {
+ flexDirection: "row",
+ justifyContent: "space-between",
+ alignItems: "center",
+ marginBottom: 16,
+ },
+ title: {
+ fontSize: 18,
+ fontWeight: "700",
+ },
+ body: {
+ gap: 14,
+ },
+ description: {
+ fontSize: 14,
+ lineHeight: 20,
+ },
+ primaryButton: {
+ flexDirection: "row",
+ alignItems: "center",
+ justifyContent: "center",
+ gap: 8,
+ paddingVertical: 14,
+ borderRadius: 10,
+ },
+ buttonText: {
+ fontSize: 16,
+ fontWeight: "600",
+ },
+ secondaryLink: {
+ alignItems: "center",
+ paddingVertical: 4,
+ },
+ secondaryLinkText: {
+ fontSize: 14,
+ },
+ backLink: {
+ flexDirection: "row",
+ alignItems: "center",
+ gap: 4,
+ },
+ input: {
+ borderWidth: 1,
+ borderRadius: 10,
+ paddingHorizontal: 14,
+ paddingVertical: 12,
+ fontSize: 14,
+ fontFamily: Platform.OS === "ios" ? "Courier" : "monospace",
+ },
+ errorText: {
+ fontSize: 13,
+ },
+});
diff --git a/artifacts/mobile/constants/colors.ts b/artifacts/mobile/constants/colors.ts
index f001bce..1d191a0 100644
--- a/artifacts/mobile/constants/colors.ts
+++ b/artifacts/mobile/constants/colors.ts
@@ -29,6 +29,10 @@ export const Colors = {
working: "#F59E0B",
idle: "#6B7280",
micActive: "#EF4444",
+ field: "#1A1A2E",
+ textInverted: "#0A0A12",
+ destructive: "#EF4444",
+ link: "#A78BFA",
},
} as const;
diff --git a/artifacts/mobile/constants/storage-keys.ts b/artifacts/mobile/constants/storage-keys.ts
index e07ff30..a6f0c60 100644
--- a/artifacts/mobile/constants/storage-keys.ts
+++ b/artifacts/mobile/constants/storage-keys.ts
@@ -1 +1,2 @@
export const ONBOARDING_COMPLETED_KEY = "app.onboarding_completed";
+export const SERVER_URL_KEY = "settings.server_url";
diff --git a/artifacts/mobile/context/NostrContext.tsx b/artifacts/mobile/context/NostrContext.tsx
new file mode 100644
index 0000000..1d22ab2
--- /dev/null
+++ b/artifacts/mobile/context/NostrContext.tsx
@@ -0,0 +1,274 @@
+/**
+ * NostrContext — Nostr identity management for mobile.
+ *
+ * Android: NIP-55 Amber deep-link signing (com.greenart7c3.nostrsigner).
+ * Opens Amber via the `nostrsigner:` URI scheme to retrieve the user's
+ * public key; falls back to the Play Store install prompt when Amber is
+ * not installed.
+ *
+ * iOS / manual fallback: nsec paste-in stored exclusively in Expo SecureStore.
+ * The raw key is NEVER written to AsyncStorage, Redux state, or logs.
+ */
+
+import React, {
+ createContext,
+ useCallback,
+ useContext,
+ useEffect,
+ useMemo,
+ useState,
+} from "react";
+import { Linking, Platform } from "react-native";
+import * as SecureStore from "expo-secure-store";
+import { getPublicKey, nip19 } from "nostr-tools";
+
+// ─── Types ────────────────────────────────────────────────────────────────────
+
+export type NostrSignerType = "amber" | "nsec" | null;
+
+export type NostrConnectResult =
+ | { success: true }
+ | { success: false; error: string };
+
+type NostrContextValue = {
+ /** bech32 public key (npub1…), null when no identity is loaded */
+ npub: string | null;
+ /** Raw hex public key, null when no identity is loaded */
+ pubkeyHex: string | null;
+ /** How the key was connected */
+ signerType: NostrSignerType;
+ /** True when an identity is loaded */
+ nostrConnected: boolean;
+ /** True only on Android — Amber integration available */
+ canUseAmber: boolean;
+ /** Android only: launch Amber to retrieve the user's public key */
+ connectWithAmber: () => Promise;
+ /** Both platforms: validate & store an nsec; derive and cache the npub */
+ connectWithNsec: (nsec: string) => Promise;
+ /** Wipe all Nostr credentials from SecureStore and reset state */
+ disconnect: () => Promise;
+};
+
+// ─── Constants ────────────────────────────────────────────────────────────────
+
+const SECURE_KEY_NSEC = "nostr.nsec";
+const SECURE_KEY_NPUB = "nostr.npub";
+const SECURE_KEY_SIGNER_TYPE = "nostr.signer_type";
+
+/** The deep-link scheme declared in app.json */
+const APP_SCHEME = "mobile";
+/** Path Amber will call back to with the pubkey result */
+const AMBER_CALLBACK_URL = `${APP_SCHEME}://nostr-callback`;
+const AMBER_PACKAGE = "com.greenart7c3.nostrsigner";
+const AMBER_PLAY_STORE_URL =
+ "https://play.google.com/store/apps/details?id=com.greenart7c3.nostrsigner";
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+/** Truncate an npub for display: "npub1abcde…xyz12" */
+export function truncateNpub(npub: string): string {
+ if (npub.length <= 20) return npub;
+ return `${npub.substring(0, 10)}…${npub.substring(npub.length - 5)}`;
+}
+
+// ─── Context ──────────────────────────────────────────────────────────────────
+
+const NostrContext = createContext(null);
+
+export function NostrProvider({ children }: { children: React.ReactNode }) {
+ const [npub, setNpub] = useState(null);
+ const [pubkeyHex, setPubkeyHex] = useState(null);
+ const [signerType, setSignerType] = useState(null);
+
+ const canUseAmber = Platform.OS === "android";
+
+ // ── Load persisted identity on mount ──────────────────────────────────────
+
+ useEffect(() => {
+ async function loadIdentity() {
+ try {
+ const [storedNpub, storedSignerType] = await Promise.all([
+ SecureStore.getItemAsync(SECURE_KEY_NPUB),
+ SecureStore.getItemAsync(SECURE_KEY_SIGNER_TYPE),
+ ]);
+
+ if (storedNpub && storedSignerType) {
+ setNpub(storedNpub);
+ setSignerType(storedSignerType as NostrSignerType);
+ try {
+ const decoded = nip19.decode(storedNpub);
+ if (decoded.type === "npub") {
+ setPubkeyHex(decoded.data as string);
+ }
+ } catch {
+ // npub decode failure — identity still "connected", pubkeyHex stays null
+ }
+ }
+ } catch {
+ // SecureStore unavailable (e.g. web build) — proceed without identity
+ }
+ }
+ loadIdentity();
+ }, []);
+
+ // ── Handle Amber callback deep link (Android) ─────────────────────────────
+
+ useEffect(() => {
+ if (!canUseAmber) return;
+
+ function handleUrl({ url }: { url: string }) {
+ if (!url.startsWith(`${APP_SCHEME}://nostr-callback`)) return;
+
+ try {
+ // React Native's URL parsing is not available in all environments;
+ // parse manually to avoid importing a polyfill.
+ const queryStart = url.indexOf("?");
+ if (queryStart === -1) return;
+ const params = new URLSearchParams(url.slice(queryStart + 1));
+ const result = params.get("result");
+ if (!result) return;
+
+ // Amber returns the hex pubkey in `result`
+ let hexKey = result;
+ if (result.startsWith("npub1")) {
+ const decoded = nip19.decode(result);
+ if (decoded.type === "npub") hexKey = decoded.data as string;
+ }
+
+ const derivedNpub = nip19.npubEncode(hexKey);
+
+ // Persist — no private key stored for Amber flow
+ SecureStore.setItemAsync(SECURE_KEY_NPUB, derivedNpub).catch(() => {});
+ SecureStore.setItemAsync(SECURE_KEY_SIGNER_TYPE, "amber").catch(() => {});
+
+ setNpub(derivedNpub);
+ setPubkeyHex(hexKey);
+ setSignerType("amber");
+ } catch {
+ // Malformed callback — silently ignore
+ }
+ }
+
+ const subscription = Linking.addEventListener("url", handleUrl);
+ return () => subscription.remove();
+ }, [canUseAmber]);
+
+ // ── Actions ───────────────────────────────────────────────────────────────
+
+ const connectWithAmber = useCallback(async () => {
+ // NIP-55: request the user's public key from Amber
+ const amberUri = `nostrsigner:?type=get_public_key&compressionType=none&returnType=signature&callbackUrl=${encodeURIComponent(AMBER_CALLBACK_URL)}`;
+
+ let canOpen = false;
+ try {
+ canOpen = await Linking.canOpenURL(`nostrsigner:`);
+ } catch {
+ canOpen = false;
+ }
+
+ if (canOpen) {
+ await Linking.openURL(amberUri);
+ } else {
+ // Amber not installed — direct user to Play Store
+ await Linking.openURL(AMBER_PLAY_STORE_URL);
+ }
+ }, []);
+
+ const connectWithNsec = useCallback(
+ async (nsec: string): Promise => {
+ const trimmed = nsec.trim();
+
+ if (!trimmed.startsWith("nsec1")) {
+ return { success: false, error: "Key must start with nsec1" };
+ }
+
+ let decoded: ReturnType;
+ try {
+ decoded = nip19.decode(trimmed);
+ } catch {
+ return { success: false, error: "Invalid bech32 encoding" };
+ }
+
+ if (decoded.type !== "nsec") {
+ return { success: false, error: "Not a valid nsec key" };
+ }
+
+ let hexPubkey: string;
+ try {
+ const sk = decoded.data as Uint8Array;
+ hexPubkey = getPublicKey(sk);
+ } catch {
+ return { success: false, error: "Could not derive public key" };
+ }
+
+ const derivedNpub = nip19.npubEncode(hexPubkey);
+
+ try {
+ // Store only in SecureStore — never AsyncStorage, never logs
+ await SecureStore.setItemAsync(SECURE_KEY_NSEC, trimmed);
+ await SecureStore.setItemAsync(SECURE_KEY_NPUB, derivedNpub);
+ await SecureStore.setItemAsync(SECURE_KEY_SIGNER_TYPE, "nsec");
+ } catch {
+ return { success: false, error: "Failed to store key securely" };
+ }
+
+ setNpub(derivedNpub);
+ setPubkeyHex(hexPubkey);
+ setSignerType("nsec");
+
+ return { success: true };
+ },
+ []
+ );
+
+ const disconnect = useCallback(async () => {
+ try {
+ await Promise.all([
+ SecureStore.deleteItemAsync(SECURE_KEY_NSEC),
+ SecureStore.deleteItemAsync(SECURE_KEY_NPUB),
+ SecureStore.deleteItemAsync(SECURE_KEY_SIGNER_TYPE),
+ ]);
+ } catch {
+ // Best-effort cleanup; reset state regardless
+ }
+ setNpub(null);
+ setPubkeyHex(null);
+ setSignerType(null);
+ }, []);
+
+ // ── Context value ─────────────────────────────────────────────────────────
+
+ const value = useMemo(
+ () => ({
+ npub,
+ pubkeyHex,
+ signerType,
+ nostrConnected: npub !== null,
+ canUseAmber,
+ connectWithAmber,
+ connectWithNsec,
+ disconnect,
+ }),
+ [
+ npub,
+ pubkeyHex,
+ signerType,
+ canUseAmber,
+ connectWithAmber,
+ connectWithNsec,
+ disconnect,
+ ]
+ );
+
+ return (
+ {children}
+ );
+}
+
+export function useNostr(): NostrContextValue {
+ const ctx = useContext(NostrContext);
+ if (!ctx) throw new Error("useNostr must be used within NostrProvider");
+ return ctx;
+}
+
+export { AMBER_PACKAGE };
diff --git a/artifacts/mobile/context/TimmyContext.tsx b/artifacts/mobile/context/TimmyContext.tsx
index 18a5a20..3f7de53 100644
--- a/artifacts/mobile/context/TimmyContext.tsx
+++ b/artifacts/mobile/context/TimmyContext.tsx
@@ -8,6 +8,9 @@ import React, {
useState,
} from "react";
import { AppState, Platform } from "react-native";
+import AsyncStorage from "@react-native-async-storage/async-storage";
+
+import { SERVER_URL_KEY } from "@/constants/storage-keys";
export type TimmyMood = "idle" | "thinking" | "working" | "speaking";
@@ -22,33 +25,42 @@ export type WsEvent = {
count?: number;
};
-export type ConnectionStatus = "connecting" | "connected" | "disconnected" | "reconnecting" | "error";
+export type ConnectionStatus =
+ | "connecting"
+ | "connected"
+ | "disconnected"
+ | "reconnecting"
+ | "error";
type TimmyContextValue = {
timmyMood: TimmyMood;
connectionStatus: ConnectionStatus;
+ /** True when the WebSocket is fully open */
+ isConnected: boolean;
recentEvents: WsEvent[];
send: (msg: object) => void;
sendVisitorMessage: (text: string) => void;
visitorId: string;
+ /** Current API / WebSocket base domain */
+ apiBaseUrl: string;
+ /** Persist a new base URL and reconnect the WebSocket */
+ setApiBaseUrl: (url: string) => void;
};
const TimmyContext = createContext(null);
const MAX_EVENTS = 100;
-const BASE_URL = process.env.EXPO_PUBLIC_DOMAIN ?? "";
+const ENV_DOMAIN = process.env["EXPO_PUBLIC_DOMAIN"] ?? "";
const VISITOR_ID =
Date.now().toString() + Math.random().toString(36).substr(2, 9);
-function getWsUrl(): string {
- let domain = BASE_URL;
- if (!domain) {
- domain = "localhost:8080";
- }
- domain = domain.replace(/^https?:\/\//, "");
- domain = domain.replace(/\/$/, "");
- const proto = domain.startsWith("localhost") ? "ws" : "wss";
- return `${proto}://${domain}/api/ws`;
+function buildWsUrl(domain: string): string {
+ let d = domain.trim();
+ if (!d) d = "localhost:8080";
+ d = d.replace(/^https?:\/\//, "");
+ d = d.replace(/\/$/, "");
+ const proto = d.startsWith("localhost") ? "ws" : "wss";
+ return `${proto}://${d}/api/ws`;
}
function deriveMood(agentStates: Record): TimmyMood {
@@ -63,10 +75,12 @@ function deriveMood(agentStates: Record): TimmyMood {
}
export function TimmyProvider({ children }: { children: React.ReactNode }) {
+ const [apiBaseUrl, setApiBaseUrlState] = useState(ENV_DOMAIN);
const [timmyMood, setTimmyMood] = useState("idle");
const [connectionStatus, setConnectionStatus] =
useState("connecting");
const [recentEvents, setRecentEvents] = useState([]);
+
const wsRef = useRef(null);
const retryTimerRef = useRef | null>(null);
const retryCountRef = useRef(0);
@@ -77,6 +91,32 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
delta: "idle",
});
const speakingTimerRef = useRef | null>(null);
+ // Stable ref so WebSocket callbacks always read the current URL
+ const apiBaseUrlRef = useRef(apiBaseUrl);
+ // Stable refs to break the connectWs ↔ scheduleRetry circular dependency
+ const connectWsRef = useRef<() => void>(() => {});
+ const scheduleRetryRef = useRef<() => void>(() => {});
+
+ // ── Load persisted URL on mount ────────────────────────────────────────
+
+ useEffect(() => {
+ AsyncStorage.getItem(SERVER_URL_KEY)
+ .then((stored) => {
+ if (stored) {
+ setApiBaseUrlState(stored);
+ apiBaseUrlRef.current = stored;
+ }
+ })
+ .catch(() => {});
+ }, []);
+
+ const setApiBaseUrl = useCallback((url: string) => {
+ setApiBaseUrlState(url);
+ apiBaseUrlRef.current = url;
+ AsyncStorage.setItem(SERVER_URL_KEY, url).catch(() => {});
+ }, []);
+
+ // ── WebSocket helpers ──────────────────────────────────────────────────
const addEvent = useCallback((evt: Omit) => {
const entry: WsEvent = {
@@ -94,14 +134,14 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
wsRef.current.close();
wsRef.current = null;
}
- const url = getWsUrl();
+ const url = buildWsUrl(apiBaseUrlRef.current);
setConnectionStatus("connecting");
let ws: WebSocket;
try {
ws = new WebSocket(url);
} catch {
setConnectionStatus("error");
- scheduleRetry();
+ scheduleRetryRef.current();
return;
}
wsRef.current = ws;
@@ -134,10 +174,7 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
if (type === "world_state") {
const states = (msg.agentStates as Record) ?? {};
- agentStatesRef.current = {
- ...agentStatesRef.current,
- ...states,
- };
+ agentStatesRef.current = { ...agentStatesRef.current, ...states };
setTimmyMood(deriveMood(agentStatesRef.current));
return;
}
@@ -187,7 +224,7 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
ws.onclose = () => {
setConnectionStatus("disconnected");
- scheduleRetry();
+ scheduleRetryRef.current();
};
ws.onerror = () => {
@@ -200,9 +237,15 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
const delay = Math.min(1000 * Math.pow(2, retryCountRef.current), 30000);
retryCountRef.current += 1;
retryTimerRef.current = setTimeout(() => {
- connectWs();
+ connectWsRef.current();
}, delay);
- }, [connectWs]);
+ }, []);
+
+ // Keep the stable refs current after every render
+ connectWsRef.current = connectWs;
+ scheduleRetryRef.current = scheduleRetry;
+
+ // ── Initial connect ────────────────────────────────────────────────────
useEffect(() => {
connectWs();
@@ -216,7 +259,19 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
};
}, [connectWs]);
- // AppState-aware WebSocket reconnect on foreground
+ // Reconnect when apiBaseUrl changes (skip the very first render)
+ const isFirstRenderRef = useRef(true);
+ useEffect(() => {
+ if (isFirstRenderRef.current) {
+ isFirstRenderRef.current = false;
+ return;
+ }
+ retryCountRef.current = 0;
+ connectWs();
+ }, [apiBaseUrl, connectWs]);
+
+ // ── AppState-aware reconnect on foreground ─────────────────────────────
+
useEffect(() => {
if (Platform.OS === "web") return;
@@ -229,20 +284,17 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
const isNowActive = nextAppState === "active";
if (wasBackground && isNowActive) {
- // App returned to foreground — check if WS is still alive
const ws = wsRef.current;
if (!ws || ws.readyState !== WebSocket.OPEN) {
- // Cancel any pending retry so we don't create duplicates
if (retryTimerRef.current) {
clearTimeout(retryTimerRef.current);
retryTimerRef.current = null;
}
retryCountRef.current = 0;
setConnectionStatus("reconnecting");
- connectWs();
+ connectWsRef.current();
}
} else if (nextAppState === "background") {
- // Proactively close the WS to avoid OS killing it mid-frame
if (retryTimerRef.current) {
clearTimeout(retryTimerRef.current);
retryTimerRef.current = null;
@@ -262,7 +314,9 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
return () => {
subscription.remove();
};
- }, [connectWs]);
+ }, []);
+
+ // ── Outbound messages ──────────────────────────────────────────────────
const send = useCallback((msg: object) => {
if (wsRef.current && wsRef.current.readyState === WebSocket.OPEN) {
@@ -270,28 +324,42 @@ export function TimmyProvider({ children }: { children: React.ReactNode }) {
}
}, []);
- const sendVisitorMessage = useCallback(
- (text: string) => {
- if (wsRef.current && wsRef.current.readyState === WebSocket.OPEN) {
- wsRef.current.send(
- JSON.stringify({ type: "visitor_message", visitorId: VISITOR_ID, text })
- );
- setTimmyMood("thinking");
- }
- },
- []
- );
+ const sendVisitorMessage = useCallback((text: string) => {
+ if (wsRef.current && wsRef.current.readyState === WebSocket.OPEN) {
+ wsRef.current.send(
+ JSON.stringify({
+ type: "visitor_message",
+ visitorId: VISITOR_ID,
+ text,
+ })
+ );
+ setTimmyMood("thinking");
+ }
+ }, []);
- const value = useMemo(
+ // ── Context value ──────────────────────────────────────────────────────
+
+ const value = useMemo(
() => ({
+ timmyMood,
+ connectionStatus,
+ isConnected: connectionStatus === "connected",
+ recentEvents,
+ send,
+ sendVisitorMessage,
+ visitorId: VISITOR_ID,
+ apiBaseUrl,
+ setApiBaseUrl,
+ }),
+ [
timmyMood,
connectionStatus,
recentEvents,
send,
sendVisitorMessage,
- visitorId: VISITOR_ID,
- }),
- [timmyMood, connectionStatus, recentEvents, send, sendVisitorMessage]
+ apiBaseUrl,
+ setApiBaseUrl,
+ ]
);
return (
diff --git a/artifacts/mobile/package.json b/artifacts/mobile/package.json
index eb860e5..14bcaec 100644
--- a/artifacts/mobile/package.json
+++ b/artifacts/mobile/package.json
@@ -57,7 +57,9 @@
},
"dependencies": {
"@react-native-voice/voice": "^3.2.4",
+ "expo-secure-store": "~14.0.1",
"expo-speech": "^14.0.8",
+ "nostr-tools": "^2.23.3",
"react-native-qrcode-svg": "^6.3.21",
"react-native-webview": "^13.15.0"
}