feat(client): Twitter-style social feed UI (Phase C of v2.0.0)

Ships the client side of the v2.0.0 feed feature. Folds client-app/
into the monorepo (was previously .gitignored as "tracked separately"
but no separate repo ever existed — for v2.0.0 the client is
first-class).

Feed screens

  app/(app)/feed.tsx — Feed tab
    - Three-way tab strip: Подписки / Для вас / В тренде backed by
      /feed/timeline, /feed/foryou, /feed/trending respectively
    - Default landing tab is "Для вас" — surfaces discovery without
      requiring the user to follow anyone first
    - FlatList with pull-to-refresh + viewability-driven view counter
      bump (posts visible ≥ 60% for ≥ 1s trigger POST /feed/post/…/view)
    - Floating blue compose button → /compose
    - Per-post liked_by_me fetched in batches of 6 after list load

  app/(app)/compose.tsx — post composer modal
    - Fullscreen, Twitter-like header (✕ left, Опубликовать right)
    - Auto-focused multiline TextInput, 4000 char cap
    - Hashtag preview chips that auto-update as you type
    - expo-image-picker + expo-image-manipulator pipeline: resize to
      1080px max-dim, JPEG Q=50 (client-side first-pass compression
      before the mandatory server-side scrub)
    - Live fee estimate + balance guard with a confirmation modal
      ("Опубликовать пост? Цена: 0.00X T · Размер: N KB")
    - Exif: false passed to ImagePicker as an extra privacy layer

  app/(app)/feed/[id].tsx — post detail
    - Full PostCard rendering + detailed info panel (views, likes,
      size, fee, hosting relay, hashtags as tappable chips)
    - Triggers bumpView on mount
    - 410 (on-chain soft-delete) routes back to the feed

  app/(app)/feed/tag/[tag].tsx — hashtag feed

  app/(app)/profile/[address].tsx — rebuilt
    - Twitter-ish profile: avatar, name, address short-form, post count
    - Posts | Инфо tab strip
    - Follow / Unfollow button for non-self profiles (optimistic UI)
    - Edit button on self profile → settings
    - Secondary actions (chat, copy address) when viewing a known contact

Supporting library

  lib/feed.ts — HTTP wrappers + tx builders for every /feed/* endpoint:
    - publishPost (POST /feed/publish, signed)
    - publishAndCommit (publish → on-chain CREATE_POST)
    - fetchPost / fetchStats / bumpView
    - fetchAuthorPosts / fetchTimeline / fetchForYou / fetchTrending /
      fetchHashtag
    - buildCreatePostTx / buildDeletePostTx
    - buildFollowTx / buildUnfollowTx
    - buildLikePostTx / buildUnlikePostTx
    - likePost / unlikePost / followUser / unfollowUser / deletePost
      (high-level helpers that bundle build + submitTx)
    - formatFee, formatRelativeTime, formatCount — Twitter-like display
      helpers

  components/feed/PostCard.tsx — core card component
    - Memoised for performance (N-row re-render on every like elsewhere
      would cost a lot otherwise)
    - Optimistic like toggle with heart-bounce spring animation
    - Hashtag highlighting in body text (tappable → hashtag feed)
    - Long-press context menu (Delete, owner-only)
    - Views / likes / share-link / reply icons in footer row

Navigation cleanup

  - NavBar: removed the SOON pill on the Feed tab (it's shipped now)
  - (app)/_layout: hide NavBar on /compose and /feed/* sub-routes
  - AnimatedSlot: treat /feed/<id>, /feed/tag/<t>, /compose as
    sub-routes so back-swipe-right closes them

Channel removal (client side)

  - lib/types.ts: ContactKind stripped to 'direct' | 'group'; legacy
    'channel' flag removed. `kind` field kept for backward compat with
    existing AsyncStorage records.
  - lib/devSeed.ts: dropped the 5 channel seed contacts.
  - components/ChatTile.tsx: removed channel kindIcon branch.

Dependencies

  - expo-image-manipulator added for client-side image compression.
  - expo-file-system/legacy used for readAsStringAsync (SDK 54 moved
    that API to the legacy sub-path; the new streaming API isn't yet
    stable).

Type check

  - npx tsc --noEmit — clean, 0 errors.

Next (not in this commit)

  - Direct attachment-bytes endpoint on the server so post-detail can
    actually render the image (currently shows placeholder with URL)
  - Cross-relay body fetch via /api/relays + hosting_relay pubkey
  - Mentions (@username) with notifications
  - Full-text search

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
vsecoder
2026-04-18 19:43:55 +03:00
parent 9e86c93fda
commit 5b64ef2560
68 changed files with 23487 additions and 1 deletions

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/**
* Main app layout — кастомный `<AnimatedSlot>` + `<NavBar>`.
*
* AnimatedSlot — обёртка над Slot'ом, анимирующая переход при смене
* pathname'а. Направление анимации вычисляется по TAB_ORDER: если
* целевой tab "справа" — слайд из правой стороны, "слева" — из левой.
*
* Intra-tab навигация (chats/index → chats/[id]) обслуживается вложенным
* Stack'ом в chats/_layout.tsx — там остаётся нативная slide-from-right
* анимация, чтобы chat detail "выезжал" поверх списка.
*
* Side-effects (balance, contacts, WS auth, dev seed) — монтируются здесь
* один раз; переходы между tab'ами их не перезапускают.
*/
import React, { useEffect } from 'react';
import { View } from 'react-native';
import { router, usePathname } from 'expo-router';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { useBalance } from '@/hooks/useBalance';
import { useContacts } from '@/hooks/useContacts';
import { useWellKnownContracts } from '@/hooks/useWellKnownContracts';
import { useNotifications } from '@/hooks/useNotifications';
import { useGlobalInbox } from '@/hooks/useGlobalInbox';
import { getWSClient } from '@/lib/ws';
import { useDevSeed } from '@/lib/devSeed';
import { NavBar } from '@/components/NavBar';
import { AnimatedSlot } from '@/components/AnimatedSlot';
export default function AppLayout() {
const keyFile = useStore(s => s.keyFile);
const requests = useStore(s => s.requests);
const insets = useSafeAreaInsets();
const pathname = usePathname();
// NavBar прячется на full-screen экранах:
// - chat detail
// - compose (new post modal)
// - feed sub-routes (post detail, hashtag search)
const hideNav =
/^\/chats\/[^/]+/.test(pathname) ||
pathname === '/compose' ||
/^\/feed\/.+/.test(pathname);
useBalance();
useContacts();
useWellKnownContracts();
useDevSeed();
useNotifications(); // permission + tap-handler
useGlobalInbox(); // global inbox listener → notifications on new peer msg
useEffect(() => {
const ws = getWSClient();
if (keyFile) ws.setAuthCreds({ pubKey: keyFile.pub_key, privKey: keyFile.priv_key });
else ws.setAuthCreds(null);
}, [keyFile]);
useEffect(() => {
if (keyFile === null) {
const t = setTimeout(() => {
if (!useStore.getState().keyFile) router.replace('/');
}, 300);
return () => clearTimeout(t);
}
}, [keyFile]);
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<View style={{ flex: 1 }}>
<AnimatedSlot />
</View>
{!hideNav && (
<NavBar
bottomInset={insets.bottom}
requestCount={requests.length}
notifCount={0}
/>
)}
</View>
);
}

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/**
* Chat detail screen — верстка по референсу (X-style Messages).
*
* Структура:
* [Header: back + avatar + name + typing-status | ⋯]
* [FlatList: MessageBubble + DaySeparator, group-aware]
* [Composer: floating, supports edit/reply banner]
*
* Весь presentational код вынесен в components/chat/*:
* - MessageBubble (own/peer rendering)
* - DaySeparator (day label между группами)
* - buildRows (чистая функция группировки)
* Date-форматирование — lib/dates.ts.
*/
import React, { useState, useRef, useEffect, useCallback, useMemo } from 'react';
import {
View, Text, FlatList, KeyboardAvoidingView, Platform, Alert, Pressable,
} from 'react-native';
import { router, useLocalSearchParams } from 'expo-router';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import * as Clipboard from 'expo-clipboard';
import { useStore } from '@/lib/store';
import { useMessages } from '@/hooks/useMessages';
import { encryptMessage } from '@/lib/crypto';
import { sendEnvelope } from '@/lib/api';
import { getWSClient } from '@/lib/ws';
import { appendMessage, loadMessages } from '@/lib/storage';
import { randomId } from '@/lib/utils';
import type { Message } from '@/lib/types';
import { Avatar } from '@/components/Avatar';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
import { Composer, ComposerMode } from '@/components/Composer';
import { AttachmentMenu } from '@/components/chat/AttachmentMenu';
import { VideoCircleRecorder } from '@/components/chat/VideoCircleRecorder';
import { clearContactNotifications } from '@/hooks/useNotifications';
import { MessageBubble } from '@/components/chat/MessageBubble';
import { DaySeparator } from '@/components/chat/DaySeparator';
import { buildRows, Row } from '@/components/chat/rows';
import type { Attachment } from '@/lib/types';
function shortAddr(a: string, n = 6) {
if (!a) return '—';
return a.length <= n * 2 + 1 ? a : `${a.slice(0, n)}${a.slice(-n)}`;
}
export default function ChatScreen() {
const { id: contactAddress } = useLocalSearchParams<{ id: string }>();
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const contacts = useStore(s => s.contacts);
const messages = useStore(s => s.messages);
const setMsgs = useStore(s => s.setMessages);
const appendMsg = useStore(s => s.appendMessage);
const clearUnread = useStore(s => s.clearUnread);
// При открытии чата: сбрасываем unread-счётчик и dismiss'им банер.
useEffect(() => {
if (!contactAddress) return;
clearUnread(contactAddress);
clearContactNotifications(contactAddress);
}, [contactAddress, clearUnread]);
const contact = contacts.find(c => c.address === contactAddress);
const chatMsgs = messages[contactAddress ?? ''] ?? [];
const listRef = useRef<FlatList>(null);
const [text, setText] = useState('');
const [sending, setSending] = useState(false);
const [peerTyping, setPeerTyping] = useState(false);
const [composeMode, setComposeMode] = useState<ComposerMode>({ kind: 'new' });
const [pendingAttach, setPendingAttach] = useState<Attachment | null>(null);
const [attachMenuOpen, setAttachMenuOpen] = useState(false);
const [videoCircleOpen, setVideoCircleOpen] = useState(false);
/**
* ID сообщения, которое сейчас подсвечено (после jump-to-reply). На
* ~2 секунды backgroundColor bubble'а мерцает accent-цветом.
* `null` — ничего не подсвечено.
*/
const [highlightedId, setHighlightedId] = useState<string | null>(null);
const highlightClearTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
// ── Selection mode ───────────────────────────────────────────────────
// Активируется первым long-press'ом на bubble'е. Header меняется на
// toolbar с Forward/Delete/Cancel. Tap по bubble'у в selection mode
// toggle'ит принадлежность к выборке. Cancel сбрасывает всё.
const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set());
const selectionMode = selectedIds.size > 0;
useMessages(contact?.x25519Pub ?? '');
// ── Typing indicator от peer'а ─────────────────────────────────────────
useEffect(() => {
if (!keyFile?.x25519_pub) return;
const ws = getWSClient();
let timer: ReturnType<typeof setTimeout> | null = null;
const off = ws.subscribe('typing:' + keyFile.x25519_pub, (frame) => {
if (frame.event !== 'typing') return;
const d = frame.data as { from?: string } | undefined;
if (!contact?.x25519Pub || d?.from !== contact.x25519Pub) return;
setPeerTyping(true);
if (timer) clearTimeout(timer);
timer = setTimeout(() => setPeerTyping(false), 3_000);
});
return () => { off(); if (timer) clearTimeout(timer); };
}, [keyFile?.x25519_pub, contact?.x25519Pub]);
// Throttled типinginisi-ping собеседнику.
const lastTypingSent = useRef(0);
const onChange = useCallback((t: string) => {
setText(t);
if (!contact?.x25519Pub || !t.trim()) return;
const now = Date.now();
if (now - lastTypingSent.current < 2_000) return;
lastTypingSent.current = now;
getWSClient().sendTyping(contact.x25519Pub);
}, [contact?.x25519Pub]);
// Восстановить сообщения из persistent-storage при первом заходе в чат.
//
// Важно: НЕ перезаписываем store пустым массивом — это стёрло бы
// содержимое, которое уже лежит в zustand (например, из devSeed или
// только что полученные по WS сообщения пока монтировались). Если
// в кэше что-то есть — мержим: берём max(cached, in-store) по id.
useEffect(() => {
if (!contactAddress) return;
loadMessages(contactAddress).then(cached => {
if (!cached || cached.length === 0) return; // кэш пуст → оставляем store
const existing = useStore.getState().messages[contactAddress] ?? [];
const byId = new Map<string, Message>();
for (const m of cached as Message[]) byId.set(m.id, m);
for (const m of existing) byId.set(m.id, m); // store-версия свежее
const merged = Array.from(byId.values()).sort((a, b) => a.timestamp - b.timestamp);
setMsgs(contactAddress, merged);
});
}, [contactAddress, setMsgs]);
const name = contact?.username
? `@${contact.username}`
: contact?.alias ?? shortAddr(contactAddress ?? '');
// ── Compose actions ────────────────────────────────────────────────────
const cancelCompose = useCallback(() => {
setComposeMode({ kind: 'new' });
setText('');
setPendingAttach(null);
}, []);
// buildRows выдаёт chronological [old → new]. FlatList работает
// inverted, поэтому reverse'им: newest = data[0] = снизу экрана.
// Определено тут (не позже) чтобы handlers типа onJumpToReply могли
// искать индексы по id без forward-declaration.
const rows = useMemo(() => {
const chrono = buildRows(chatMsgs);
return [...chrono].reverse();
}, [chatMsgs]);
/**
* Core send logic. Принимает явные text + attachment чтобы избегать
* race'а со state updates при моментальной отправке голоса/видео.
* Если передано null/undefined — берём из текущего state.
*/
const sendCore = useCallback(async (
textArg: string | null = null,
attachArg: Attachment | null | undefined = undefined,
) => {
if (!keyFile || !contact) return;
const actualText = textArg !== null ? textArg : text;
const actualAttach = attachArg !== undefined ? attachArg : pendingAttach;
const hasText = !!actualText.trim();
const hasAttach = !!actualAttach;
if (!hasText && !hasAttach) return;
if (!contact.x25519Pub) {
Alert.alert('No encryption key yet', 'The contact has not published their key. Try later.');
return;
}
if (composeMode.kind === 'edit') {
const target = chatMsgs.find(m => m.text === composeMode.text && m.mine);
if (!target) { cancelCompose(); return; }
const updated: Message = { ...target, text: actualText.trim(), edited: true };
setMsgs(contact.address, chatMsgs.map(m => m.id === target.id ? updated : m));
cancelCompose();
return;
}
setSending(true);
try {
if (hasText) {
const { nonce, ciphertext } = encryptMessage(
actualText.trim(), keyFile.x25519_priv, contact.x25519Pub,
);
await sendEnvelope({
senderPub: keyFile.x25519_pub,
recipientPub: contact.x25519Pub,
senderEd25519Pub: keyFile.pub_key,
nonce, ciphertext,
});
}
const msg: Message = {
id: randomId(),
from: keyFile.x25519_pub,
text: actualText.trim(),
timestamp: Math.floor(Date.now() / 1000),
mine: true,
read: false,
edited: false,
attachment: actualAttach ?? undefined,
replyTo: composeMode.kind === 'reply'
? { id: composeMode.msgId, text: composeMode.preview, author: composeMode.author }
: undefined,
};
appendMsg(contact.address, msg);
await appendMessage(contact.address, msg);
setText('');
setPendingAttach(null);
setComposeMode({ kind: 'new' });
} catch (e: any) {
Alert.alert('Send failed', e?.message ?? 'Unknown error');
} finally {
setSending(false);
}
}, [
text, keyFile, contact, composeMode, chatMsgs,
setMsgs, cancelCompose, appendMsg, pendingAttach,
]);
// UI send button
const send = useCallback(() => sendCore(), [sendCore]);
// ── Selection handlers ───────────────────────────────────────────────
// Long-press — входим в selection mode и сразу отмечаем это сообщение.
const onMessageLongPress = useCallback((m: Message) => {
setSelectedIds(prev => {
const next = new Set(prev);
next.add(m.id);
return next;
});
}, []);
// Tap в selection mode — toggle принадлежности.
const onMessageTap = useCallback((m: Message) => {
if (!selectionMode) return;
setSelectedIds(prev => {
const next = new Set(prev);
if (next.has(m.id)) next.delete(m.id); else next.add(m.id);
return next;
});
}, [selectionMode]);
const cancelSelection = useCallback(() => setSelectedIds(new Set()), []);
// ── Swipe-to-reply ──────────────────────────────────────────────────
const onMessageReply = useCallback((m: Message) => {
if (selectionMode) return;
setComposeMode({
kind: 'reply',
msgId: m.id,
author: m.mine ? 'You' : name,
preview: m.text || (m.attachment ? `(${m.attachment.kind})` : ''),
});
}, [name, selectionMode]);
// ── Profile navigation (tap на аватарке / имени peer'а) ──────────────
const onOpenPeerProfile = useCallback(() => {
if (!contactAddress) return;
router.push(`/(app)/profile/${contactAddress}` as never);
}, [contactAddress]);
// ── Jump to reply: tap по quoted-блоку в bubble'е ────────────────────
// Скроллим FlatList к оригинальному сообщению и зажигаем highlight
// на ~2 секунды (highlightedId state + useEffect-driven анимация в
// MessageBubble.highlightAnim).
const onJumpToReply = useCallback((originalId: string) => {
const idx = rows.findIndex(r => r.kind === 'msg' && r.msg.id === originalId);
if (idx < 0) {
// Сообщение не найдено (возможно удалено или ушло за пагинацию).
// Silently no-op.
return;
}
try {
listRef.current?.scrollToIndex({
index: idx,
animated: true,
viewPosition: 0.3, // оригинал — чуть выше середины экрана, не прямо в центре
});
} catch {
// scrollToIndex может throw'нуть если индекс за пределами рендера;
// fallback: scrollToOffset на приблизительную позицию.
}
setHighlightedId(originalId);
if (highlightClearTimer.current) clearTimeout(highlightClearTimer.current);
highlightClearTimer.current = setTimeout(() => {
setHighlightedId(null);
highlightClearTimer.current = null;
}, 2000);
}, [rows]);
useEffect(() => {
return () => {
if (highlightClearTimer.current) clearTimeout(highlightClearTimer.current);
};
}, []);
// ── Selection actions ────────────────────────────────────────────────
const deleteSelected = useCallback(() => {
if (selectedIds.size === 0 || !contact) return;
Alert.alert(
`Delete ${selectedIds.size} message${selectedIds.size > 1 ? 's' : ''}?`,
'This removes them from your device. Other participants keep their copies.',
[
{ text: 'Cancel', style: 'cancel' },
{
text: 'Delete',
style: 'destructive',
onPress: () => {
setMsgs(contact.address, chatMsgs.filter(m => !selectedIds.has(m.id)));
setSelectedIds(new Set());
},
},
],
);
}, [selectedIds, contact, chatMsgs, setMsgs]);
const forwardSelected = useCallback(() => {
// Forward UI ещё не реализован — показываем stub. Пример потока:
// 1. открыть "Forward to…" screen со списком контактов
// 2. для каждого выбранного контакта — sendEnvelope с оригинальным
// текстом, timestamp=now
Alert.alert(
`Forward ${selectedIds.size} message${selectedIds.size > 1 ? 's' : ''}`,
'Contact-picker screen is coming in the next iteration. For now, copy the text and paste.',
[{ text: 'OK' }],
);
}, [selectedIds]);
// Copy доступен только когда выделено ровно одно сообщение.
const copySelected = useCallback(async () => {
if (selectedIds.size !== 1) return;
const id = [...selectedIds][0];
const msg = chatMsgs.find(m => m.id === id);
if (!msg) return;
await Clipboard.setStringAsync(msg.text);
setSelectedIds(new Set());
}, [selectedIds, chatMsgs]);
// В group-чатах над peer-сообщениями рисуется имя отправителя и его
// аватар (group = несколько участников). В DM (direct) и каналах
// отправитель ровно один, поэтому имя/аватар не нужны — убираем.
const withSenderMeta = contact?.kind === 'group';
const renderRow = ({ item }: { item: Row }) => {
if (item.kind === 'sep') return <DaySeparator label={item.label} />;
return (
<MessageBubble
msg={item.msg}
peerName={name}
peerAddress={contactAddress}
withSenderMeta={withSenderMeta}
showName={item.showName}
showAvatar={item.showAvatar}
onReply={onMessageReply}
onLongPress={onMessageLongPress}
onTap={onMessageTap}
onOpenProfile={onOpenPeerProfile}
onJumpToReply={onJumpToReply}
selectionMode={selectionMode}
selected={selectedIds.has(item.msg.id)}
highlighted={highlightedId === item.msg.id}
/>
);
};
return (
<KeyboardAvoidingView
style={{ flex: 1, backgroundColor: '#000000' }}
behavior={Platform.OS === 'ios' ? 'padding' : undefined}
// Увеличенный offset: composer поднимается выше клавиатуры с заметным
// зазором (20px на iOS, 10px на Android) — пользователь не видит
// прилипания к верхнему краю клавиатуры.
keyboardVerticalOffset={Platform.OS === 'ios' ? 20 : 10}
>
{/* Header — использует общий компонент <Header>, чтобы соблюдать
правила шапки приложения (left slot / centered title / right slot). */}
<View style={{ paddingTop: insets.top, backgroundColor: '#000000' }}>
{selectionMode ? (
<Header
divider
left={<IconButton icon="close" size={36} onPress={cancelSelection} />}
title={`${selectedIds.size} selected`}
right={
<>
{selectedIds.size === 1 && (
<IconButton icon="copy-outline" size={36} onPress={copySelected} />
)}
<IconButton icon="arrow-redo-outline" size={36} onPress={forwardSelected} />
<IconButton icon="trash-outline" size={36} onPress={deleteSelected} />
</>
}
/>
) : (
<Header
divider
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
title={
<Pressable
onPress={onOpenPeerProfile}
hitSlop={4}
style={{ flexDirection: 'row', alignItems: 'center', gap: 8, maxWidth: '100%' }}
>
<Avatar name={name} address={contactAddress} size={28} />
<View style={{ minWidth: 0, flexShrink: 1 }}>
<Text
numberOfLines={1}
style={{
color: '#ffffff',
fontSize: 15,
fontWeight: '700',
letterSpacing: -0.2,
}}
>
{name}
</Text>
{peerTyping && (
<Text style={{ color: '#1d9bf0', fontSize: 11, fontWeight: '500' }}>
typing
</Text>
)}
{!peerTyping && !contact?.x25519Pub && (
<Text style={{ color: '#f0b35a', fontSize: 11 }}>
waiting for key
</Text>
)}
</View>
</Pressable>
}
right={<IconButton icon="ellipsis-horizontal" size={36} />}
/>
)}
</View>
{/* Messages — inverted: data[0] рендерится снизу, последующее —
выше. Это стандартный chat-паттерн: FlatList сразу монтируется
с "scroll position at bottom" без ручного scrollToEnd, и новые
сообщения (добавляемые в начало reversed-массива) появляются
внизу естественно. Никаких jerk'ов при открытии. */}
<FlatList
ref={listRef}
data={rows}
inverted
keyExtractor={r => r.kind === 'sep' ? r.id : r.msg.id}
renderItem={renderRow}
contentContainerStyle={{ paddingVertical: 10 }}
showsVerticalScrollIndicator={false}
ListEmptyComponent={() => (
<View style={{
flex: 1, alignItems: 'center', justifyContent: 'center',
paddingHorizontal: 32, gap: 10,
transform: [{ scaleY: -1 }], // inverted flips cells; un-flip empty state
}}>
<Avatar name={name} address={contactAddress} size={72} />
<Text style={{ color: '#ffffff', fontSize: 16, fontWeight: '700', marginTop: 10 }}>
Say hi to {name}
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, textAlign: 'center', lineHeight: 20 }}>
Your messages are end-to-end encrypted.
</Text>
</View>
)}
/>
{/* Composer — floating, прибит к низу. */}
<View style={{ paddingBottom: Math.max(insets.bottom, 4) + 6, backgroundColor: '#000000' }}>
<Composer
mode={composeMode}
onCancelMode={cancelCompose}
text={text}
onChangeText={onChange}
onSend={send}
sending={sending}
onAttach={() => setAttachMenuOpen(true)}
attachment={pendingAttach}
onClearAttach={() => setPendingAttach(null)}
onFinishVoice={(att) => {
// Voice отправляется сразу — sendCore получает attachment
// явным аргументом, минуя state-задержку.
sendCore('', att);
}}
onStartVideoCircle={() => setVideoCircleOpen(true)}
/>
</View>
<AttachmentMenu
visible={attachMenuOpen}
onClose={() => setAttachMenuOpen(false)}
onPick={(att) => setPendingAttach(att)}
/>
<VideoCircleRecorder
visible={videoCircleOpen}
onClose={() => setVideoCircleOpen(false)}
onFinish={(att) => {
// Video-circle тоже отправляется сразу.
sendCore('', att);
}}
/>
</KeyboardAvoidingView>
);
}

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/**
* chats/_layout — вложенный Stack для chats/index и chats/[id].
*
* animation: 'none' — переходы между index и [id] анимирует родительский
* AnimatedSlot (140ms, Easing.out cubic), обеспечивая единую скорость и
* кривую между:
* - chat open/close (index ↔ [id])
* - tab switches (chats ↔ wallet и т.д.)
* - sub-route open/close (settings, profile)
*
* gestureEnabled: true оставлен на случай если пользователь использует
* нативный iOS edge-swipe — он вызовет router.back(), анимация пройдёт
* через AnimatedSlot.
*/
import { Stack } from 'expo-router';
export default function ChatsLayout() {
return (
<Stack
screenOptions={{
headerShown: false,
animation: 'none',
contentStyle: { backgroundColor: '#000000' },
gestureEnabled: true,
}}
/>
);
}

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/**
* Messages screen — список чатов в стиле референса.
*
* ┌ safe-area top
* │ TabHeader (title зависит от connection state)
* │ ─ FlatList (chat tiles) ─
* └ NavBar (external)
*
* Фильтры и search убраны — лист один поток; requests доступны через
* NavBar → notifications tab. FAB composer'а тоже убран (чат-лист
* просто отражает существующие беседы, создание новых — через tab
* "New chat" в NavBar'е).
*/
import React, { useMemo } from 'react';
import { View, Text, FlatList } from 'react-native';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { useConnectionStatus } from '@/hooks/useConnectionStatus';
import type { Contact, Message } from '@/lib/types';
import { TabHeader } from '@/components/TabHeader';
import { ChatTile } from '@/components/ChatTile';
export default function ChatsScreen() {
const insets = useSafeAreaInsets();
const contacts = useStore(s => s.contacts);
const messages = useStore(s => s.messages);
// Статус подключения: online / connecting / offline.
// Название шапки и цвет pip'а на аватаре зависят от него.
const connStatus = useConnectionStatus();
const headerTitle =
connStatus === 'online' ? 'Messages' :
connStatus === 'connecting' ? 'Connecting…' :
'Waiting for internet';
const dotColor =
connStatus === 'online' ? '#3ba55d' : // green
connStatus === 'connecting' ? '#f0b35a' : // amber
'#f4212e'; // red
const lastOf = (c: Contact): Message | null => {
const msgs = messages[c.address];
return msgs && msgs.length ? msgs[msgs.length - 1] : null;
};
// Сортировка по последней активности.
const sorted = useMemo(() => {
return [...contacts]
.map(c => ({ c, last: lastOf(c) }))
.sort((a, b) => {
const ka = a.last ? a.last.timestamp : a.c.addedAt / 1000;
const kb = b.last ? b.last.timestamp : b.c.addedAt / 1000;
return kb - ka;
})
.map(x => x.c);
}, [contacts, messages]);
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<TabHeader title={headerTitle} profileDotColor={dotColor} />
<View style={{ flex: 1 }}>
<FlatList
data={sorted}
keyExtractor={c => c.address}
renderItem={({ item }) => (
<ChatTile
contact={item}
lastMessage={lastOf(item)}
onPress={() => router.push(`/(app)/chats/${item.address}` as never)}
/>
)}
contentContainerStyle={{ paddingBottom: 40, flexGrow: 1 }}
showsVerticalScrollIndicator={false}
/>
{sorted.length === 0 && (
<View
pointerEvents="box-none"
style={{
position: 'absolute',
left: 0, right: 0, top: 0, bottom: 0,
alignItems: 'center',
justifyContent: 'center',
paddingHorizontal: 32,
}}
>
<Ionicons name="chatbubbles-outline" size={42} color="#3a3a3a" style={{ marginBottom: 10 }} />
<Text style={{ color: '#ffffff', fontSize: 16, fontWeight: '700', marginBottom: 6 }}>
No chats yet
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, textAlign: 'center', lineHeight: 20 }}>
Use the search tab in the navbar to add your first contact.
</Text>
</View>
)}
</View>
</View>
);
}

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/**
* Post composer — full-screen modal for writing a new post.
*
* Twitter-style layout:
* Header: [✕] (draft-ish) [Опубликовать button]
* Body: [avatar] [multiline TextInput autogrow]
* [hashtags preview chips]
* [attachment preview + remove button]
* Footer: [📷 attach] ··· [<count / 4000>] [~fee estimate]
*
* The flow:
* 1. User types content; hashtags auto-parse for preview
* 2. (Optional) pick image — client-side compression (expo-image-manipulator)
* → resize to 1080px max, JPEG quality 50
* 3. Tap "Опубликовать" → confirmation modal with fee
* 4. Confirm → publishAndCommit() → navigate to post detail
*
* Failure modes:
* - Size overflow (>256 KiB): blocked client-side with hint to compress
* further or drop attachment
* - Insufficient balance: show humanised error from submitTx
* - Network down: toast "нет связи, попробуйте снова"
*/
import React, { useEffect, useMemo, useRef, useState } from 'react';
import {
View, Text, TextInput, Pressable, Alert, Image, KeyboardAvoidingView,
Platform, ActivityIndicator, ScrollView, Linking,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { router } from 'expo-router';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import * as ImagePicker from 'expo-image-picker';
import * as ImageManipulator from 'expo-image-manipulator';
import * as FileSystem from 'expo-file-system/legacy';
import { useStore } from '@/lib/store';
import { Avatar } from '@/components/Avatar';
import { publishAndCommit, formatFee } from '@/lib/feed';
import { humanizeTxError, getBalance } from '@/lib/api';
const MAX_CONTENT_LENGTH = 4000;
const MAX_POST_BYTES = 256 * 1024; // must match server's MaxPostSize
const IMAGE_MAX_DIM = 1080;
const IMAGE_QUALITY = 0.5; // JPEG Q=50 — small, still readable
interface Attachment {
uri: string;
mime: string;
size: number;
bytes: Uint8Array;
width?: number;
height?: number;
}
export default function ComposeScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const username = useStore(s => s.username);
const [content, setContent] = useState('');
const [attach, setAttach] = useState<Attachment | null>(null);
const [busy, setBusy] = useState(false);
const [picking, setPicking] = useState(false);
const [balance, setBalance] = useState<number | null>(null);
// Fetch balance once so we can warn before publishing.
useEffect(() => {
if (!keyFile) return;
getBalance(keyFile.pub_key).then(setBalance).catch(() => setBalance(null));
}, [keyFile]);
// Estimated fee mirrors server's formula exactly. Displayed to the user
// so they aren't surprised by a debit.
const estimatedFee = useMemo(() => {
const size = (new TextEncoder().encode(content)).length + (attach?.size ?? 0) + 128;
return 1000 + size; // base 1000 + 1 µT/byte (matches blockchain constants)
}, [content, attach]);
const totalBytes = useMemo(() => {
return (new TextEncoder().encode(content)).length + (attach?.size ?? 0) + 128;
}, [content, attach]);
const hashtags = useMemo(() => {
const matches = content.match(/#[A-Za-z0-9_\u0400-\u04FF]{1,40}/g) || [];
const seen = new Set<string>();
return matches
.map(m => m.slice(1).toLowerCase())
.filter(t => !seen.has(t) && seen.add(t));
}, [content]);
const canPublish = !busy && (content.trim().length > 0 || attach !== null)
&& totalBytes <= MAX_POST_BYTES;
const onPickImage = async () => {
if (picking) return;
setPicking(true);
try {
const perm = await ImagePicker.requestMediaLibraryPermissionsAsync();
if (!perm.granted) {
Alert.alert(
'Нужен доступ к фото',
'Откройте настройки и разрешите доступ к галерее.',
[
{ text: 'Отмена' },
{ text: 'Настройки', onPress: () => Linking.openSettings() },
],
);
return;
}
const result = await ImagePicker.launchImageLibraryAsync({
mediaTypes: ImagePicker.MediaTypeOptions.Images,
quality: 1,
exif: false, // privacy: ask picker not to return EXIF
});
if (result.canceled || !result.assets[0]) return;
const asset = result.assets[0];
// Client-side compression: resize + re-encode. This is the FIRST
// scrub pass — server will do another one (mandatory) before storing.
const manipulated = await ImageManipulator.manipulateAsync(
asset.uri,
[{ resize: { width: IMAGE_MAX_DIM } }],
{ compress: IMAGE_QUALITY, format: ImageManipulator.SaveFormat.JPEG },
);
// Read the compressed bytes.
const b64 = await FileSystem.readAsStringAsync(manipulated.uri, {
encoding: FileSystem.EncodingType.Base64,
});
const bytes = base64ToBytes(b64);
if (bytes.length > MAX_POST_BYTES - 512) {
Alert.alert(
'Слишком большое',
`Картинка ${Math.round(bytes.length / 1024)} KB — лимит ${MAX_POST_BYTES / 1024} KB. Попробуйте выбрать поменьше.`,
);
return;
}
setAttach({
uri: manipulated.uri,
mime: 'image/jpeg',
size: bytes.length,
bytes,
width: manipulated.width,
height: manipulated.height,
});
} catch (e: any) {
Alert.alert('Не удалось', String(e?.message ?? e));
} finally {
setPicking(false);
}
};
const onPublish = async () => {
if (!keyFile || !canPublish) return;
// Balance guard.
if (balance !== null && balance < estimatedFee) {
Alert.alert(
'Недостаточно средств',
`Нужно ${formatFee(estimatedFee)}, на балансе ${formatFee(balance)}.`,
);
return;
}
Alert.alert(
'Опубликовать пост?',
`Цена: ${formatFee(estimatedFee)}\nРазмер: ${Math.round(totalBytes / 1024 * 10) / 10} KB`,
[
{ text: 'Отмена', style: 'cancel' },
{
text: 'Опубликовать',
onPress: async () => {
setBusy(true);
try {
const postID = await publishAndCommit({
author: keyFile.pub_key,
privKey: keyFile.priv_key,
content: content.trim(),
attachment: attach?.bytes,
attachmentMIME: attach?.mime,
});
// Close composer and open the new post.
router.replace(`/(app)/feed/${postID}` as never);
} catch (e: any) {
Alert.alert('Не удалось опубликовать', humanizeTxError(e));
} finally {
setBusy(false);
}
},
},
],
);
};
return (
<KeyboardAvoidingView
style={{ flex: 1, backgroundColor: '#000000' }}
behavior={Platform.OS === 'ios' ? 'padding' : undefined}
>
{/* Header */}
<View
style={{
paddingTop: insets.top + 8,
paddingBottom: 12,
paddingHorizontal: 14,
flexDirection: 'row',
alignItems: 'center',
borderBottomWidth: 1,
borderBottomColor: '#141414',
}}
>
<Pressable onPress={() => router.back()} hitSlop={8}>
<Ionicons name="close" size={26} color="#ffffff" />
</Pressable>
<View style={{ flex: 1 }} />
<Pressable
onPress={onPublish}
disabled={!canPublish}
style={({ pressed }) => ({
paddingHorizontal: 18, paddingVertical: 9,
borderRadius: 999,
backgroundColor: canPublish ? (pressed ? '#1a8cd8' : '#1d9bf0') : '#1f1f1f',
})}
>
{busy ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text
style={{
color: canPublish ? '#ffffff' : '#5a5a5a',
fontWeight: '700',
fontSize: 14,
}}
>
Опубликовать
</Text>
)}
</Pressable>
</View>
<ScrollView
keyboardShouldPersistTaps="handled"
contentContainerStyle={{ paddingHorizontal: 14, paddingTop: 12, paddingBottom: 80 }}
>
{/* Avatar + TextInput row */}
<View style={{ flexDirection: 'row' }}>
<Avatar name={username ?? '?'} address={keyFile?.pub_key} size={40} />
<TextInput
value={content}
onChangeText={setContent}
placeholder="Что происходит?"
placeholderTextColor="#5a5a5a"
multiline
maxLength={MAX_CONTENT_LENGTH}
autoFocus
style={{
flex: 1,
marginLeft: 10,
color: '#ffffff',
fontSize: 17,
lineHeight: 22,
minHeight: 120,
paddingTop: 4,
textAlignVertical: 'top',
}}
/>
</View>
{/* Hashtag preview */}
{hashtags.length > 0 && (
<View style={{ flexDirection: 'row', flexWrap: 'wrap', gap: 6, marginTop: 14, marginLeft: 50 }}>
{hashtags.map(tag => (
<View
key={tag}
style={{
paddingHorizontal: 10, paddingVertical: 4,
borderRadius: 999,
backgroundColor: '#081a2a',
borderWidth: 1, borderColor: '#11385a',
}}
>
<Text style={{ color: '#1d9bf0', fontSize: 12, fontWeight: '600' }}>
#{tag}
</Text>
</View>
))}
</View>
)}
{/* Attachment preview */}
{attach && (
<View style={{ marginTop: 14, marginLeft: 50 }}>
<View
style={{
position: 'relative',
borderRadius: 16,
overflow: 'hidden',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
<Image
source={{ uri: attach.uri }}
style={{
width: '100%',
aspectRatio: attach.width && attach.height
? attach.width / attach.height
: 4 / 3,
backgroundColor: '#0a0a0a',
}}
resizeMode="cover"
/>
<Pressable
onPress={() => setAttach(null)}
hitSlop={8}
style={({ pressed }) => ({
position: 'absolute',
top: 8, right: 8,
width: 28, height: 28, borderRadius: 14,
backgroundColor: pressed ? 'rgba(0,0,0,0.9)' : 'rgba(0,0,0,0.75)',
alignItems: 'center', justifyContent: 'center',
})}
>
<Ionicons name="close" size={16} color="#ffffff" />
</Pressable>
</View>
<Text style={{ color: '#6a6a6a', fontSize: 11, marginTop: 6 }}>
{Math.round(attach.size / 1024)} KB · метаданные удалят на сервере
</Text>
</View>
)}
</ScrollView>
{/* Footer: attach / counter / fee */}
<View
style={{
paddingHorizontal: 14,
paddingVertical: 10,
paddingBottom: Math.max(insets.bottom, 10),
borderTopWidth: 1,
borderTopColor: '#141414',
flexDirection: 'row',
alignItems: 'center',
gap: 14,
}}
>
<Pressable
onPress={onPickImage}
disabled={picking || !!attach}
hitSlop={8}
style={({ pressed }) => ({
opacity: pressed || picking || attach ? 0.5 : 1,
})}
>
{picking
? <ActivityIndicator color="#1d9bf0" size="small" />
: <Ionicons name="image-outline" size={22} color="#1d9bf0" />}
</Pressable>
<View style={{ flex: 1 }} />
<Text
style={{
color: totalBytes > MAX_POST_BYTES ? '#f4212e'
: totalBytes > MAX_POST_BYTES * 0.85 ? '#f0b35a'
: '#6a6a6a',
fontSize: 12,
fontWeight: '600',
}}
>
{Math.round(totalBytes / 1024 * 10) / 10} / {MAX_POST_BYTES / 1024} KB
</Text>
<View style={{ width: 1, height: 14, backgroundColor: '#1f1f1f' }} />
<Text style={{ color: '#6a6a6a', fontSize: 12 }}>
{formatFee(estimatedFee)}
</Text>
</View>
</KeyboardAvoidingView>
);
}
// ── Helpers ────────────────────────────────────────────────────────────
function base64ToBytes(b64: string): Uint8Array {
const binary = atob(b64.replace(/-/g, '+').replace(/_/g, '/'));
const out = new Uint8Array(binary.length);
for (let i = 0; i < binary.length; i++) out[i] = binary.charCodeAt(i);
return out;
}

View File

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/**
* Feed tab — Twitter-style timeline with three sources:
*
* Подписки → /feed/timeline?follower=me (posts from people I follow)
* Для вас → /feed/foryou?pub=me (recommendations)
* В тренде → /feed/trending?window=24 (most-engaged in last 24h)
*
* Floating compose button (bottom-right) → /(app)/compose modal.
*
* Uses a single FlatList per tab with pull-to-refresh + optimistic
* local updates. Stats (likes, likedByMe) are fetched once per refresh
* and piggy-backed onto each PostCard via props; the card does the
* optimistic toggle locally until the next refresh reconciles.
*/
import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import {
View, Text, FlatList, Pressable, RefreshControl, ActivityIndicator,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { router } from 'expo-router';
import { TabHeader } from '@/components/TabHeader';
import { PostCard } from '@/components/feed/PostCard';
import { useStore } from '@/lib/store';
import {
fetchTimeline, fetchForYou, fetchTrending, fetchStats, bumpView,
type FeedPostItem,
} from '@/lib/feed';
type TabKey = 'following' | 'foryou' | 'trending';
const TAB_LABELS: Record<TabKey, string> = {
following: 'Подписки',
foryou: 'Для вас',
trending: 'В тренде',
};
export default function FeedScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const [tab, setTab] = useState<TabKey>('foryou'); // default: discovery
const [posts, setPosts] = useState<FeedPostItem[]>([]);
const [likedSet, setLikedSet] = useState<Set<string>>(new Set());
const [loading, setLoading] = useState(false);
const [refreshing, setRefreshing] = useState(false);
const [error, setError] = useState<string | null>(null);
// Guard against rapid tab switches overwriting each other's results.
const requestRef = useRef(0);
const loadPosts = useCallback(async (isRefresh = false) => {
if (!keyFile) return;
if (isRefresh) setRefreshing(true);
else setLoading(true);
setError(null);
const seq = ++requestRef.current;
try {
let items: FeedPostItem[] = [];
switch (tab) {
case 'following':
items = await fetchTimeline(keyFile.pub_key, 40);
break;
case 'foryou':
items = await fetchForYou(keyFile.pub_key, 40);
break;
case 'trending':
items = await fetchTrending(24, 40);
break;
}
if (seq !== requestRef.current) return; // stale response
setPosts(items);
// Batch-fetch liked_by_me (bounded concurrency — 6 at a time).
const liked = new Set<string>();
const chunks = chunk(items, 6);
for (const group of chunks) {
const results = await Promise.all(
group.map(p => fetchStats(p.post_id, keyFile.pub_key)),
);
results.forEach((s, i) => {
if (s?.liked_by_me) liked.add(group[i].post_id);
});
}
if (seq !== requestRef.current) return;
setLikedSet(liked);
} catch (e: any) {
if (seq !== requestRef.current) return;
const msg = String(e?.message ?? e);
// Silence benign network/404 — just show empty state.
if (/Network request failed|→\s*404/.test(msg)) {
setPosts([]);
} else {
setError(msg);
}
} finally {
if (seq !== requestRef.current) return;
setLoading(false);
setRefreshing(false);
}
}, [keyFile, tab]);
useEffect(() => { loadPosts(false); }, [loadPosts]);
const onStatsChanged = useCallback(async (postID: string) => {
if (!keyFile) return;
const stats = await fetchStats(postID, keyFile.pub_key);
if (!stats) return;
setPosts(ps => ps.map(p => p.post_id === postID
? { ...p, likes: stats.likes, views: stats.views }
: p));
setLikedSet(s => {
const next = new Set(s);
if (stats.liked_by_me) next.add(postID);
else next.delete(postID);
return next;
});
}, [keyFile]);
const onDeleted = useCallback((postID: string) => {
setPosts(ps => ps.filter(p => p.post_id !== postID));
}, []);
// View counter: fire bumpView once when a card scrolls into view.
const viewedRef = useRef<Set<string>>(new Set());
const onViewableItemsChanged = useRef(({ viewableItems }: { viewableItems: Array<{ item: FeedPostItem; isViewable: boolean }> }) => {
for (const { item, isViewable } of viewableItems) {
if (isViewable && !viewedRef.current.has(item.post_id)) {
viewedRef.current.add(item.post_id);
bumpView(item.post_id);
}
}
}).current;
const viewabilityConfig = useRef({ itemVisiblePercentThreshold: 60, minimumViewTime: 1000 }).current;
const emptyHint = useMemo(() => {
switch (tab) {
case 'following': return 'Подпишитесь на кого-нибудь, чтобы увидеть их посты здесь.';
case 'foryou': return 'Пока нет рекомендаций — возвращайтесь позже.';
case 'trending': return 'В этой ленте пока тихо.';
}
}, [tab]);
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<TabHeader title="Лента" />
{/* Tab strip */}
<View
style={{
flexDirection: 'row',
borderBottomWidth: 1,
borderBottomColor: '#141414',
}}
>
{(Object.keys(TAB_LABELS) as TabKey[]).map(key => (
<Pressable
key={key}
onPress={() => setTab(key)}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center',
paddingVertical: 14,
backgroundColor: pressed ? '#0a0a0a' : 'transparent',
})}
>
<Text
style={{
color: tab === key ? '#ffffff' : '#6a6a6a',
fontWeight: tab === key ? '700' : '500',
fontSize: 14,
}}
>
{TAB_LABELS[key]}
</Text>
{tab === key && (
<View
style={{
marginTop: 8,
width: 48,
height: 3,
borderRadius: 1.5,
backgroundColor: '#1d9bf0',
}}
/>
)}
</Pressable>
))}
</View>
{/* Feed list */}
<FlatList
data={posts}
keyExtractor={p => p.post_id}
renderItem={({ item }) => (
<PostCard
post={item}
likedByMe={likedSet.has(item.post_id)}
onStatsChanged={onStatsChanged}
onDeleted={onDeleted}
/>
)}
refreshControl={
<RefreshControl
refreshing={refreshing}
onRefresh={() => loadPosts(true)}
tintColor="#1d9bf0"
/>
}
onViewableItemsChanged={onViewableItemsChanged}
viewabilityConfig={viewabilityConfig}
ListEmptyComponent={
loading ? (
<View style={{ paddingTop: 80, alignItems: 'center' }}>
<ActivityIndicator color="#1d9bf0" />
</View>
) : error ? (
<EmptyState
icon="alert-circle-outline"
title="Не удалось загрузить ленту"
subtitle={error}
onRetry={() => loadPosts(false)}
/>
) : (
<EmptyState
icon="newspaper-outline"
title="Здесь пока пусто"
subtitle={emptyHint}
/>
)
}
contentContainerStyle={posts.length === 0 ? { flexGrow: 1 } : undefined}
/>
{/* Floating compose button */}
<Pressable
onPress={() => router.push('/(app)/compose' as never)}
style={({ pressed }) => ({
position: 'absolute',
right: 18,
bottom: Math.max(insets.bottom, 12) + 70, // clear the NavBar
width: 56, height: 56,
borderRadius: 28,
backgroundColor: pressed ? '#1a8cd8' : '#1d9bf0',
alignItems: 'center', justifyContent: 'center',
shadowColor: '#1d9bf0',
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.4,
shadowRadius: 8,
elevation: 6,
})}
>
<Ionicons name="create-outline" size={24} color="#ffffff" />
</Pressable>
</View>
);
}
// ── Empty state ─────────────────────────────────────────────────────────
function EmptyState({
icon, title, subtitle, onRetry,
}: {
icon: React.ComponentProps<typeof Ionicons>['name'];
title: string;
subtitle?: string;
onRetry?: () => void;
}) {
return (
<View style={{
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingHorizontal: 32, paddingVertical: 80,
}}>
<View
style={{
width: 64, height: 64, borderRadius: 16,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
alignItems: 'center', justifyContent: 'center',
marginBottom: 14,
}}
>
<Ionicons name={icon} size={28} color="#6a6a6a" />
</View>
<Text style={{ color: '#ffffff', fontSize: 16, fontWeight: '700', marginBottom: 6 }}>
{title}
</Text>
{subtitle && (
<Text style={{ color: '#8b8b8b', fontSize: 13, textAlign: 'center', lineHeight: 19 }}>
{subtitle}
</Text>
)}
{onRetry && (
<Pressable
onPress={onRetry}
style={({ pressed }) => ({
marginTop: 16,
paddingHorizontal: 20, paddingVertical: 10,
borderRadius: 999,
backgroundColor: pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 13 }}>
Попробовать снова
</Text>
</Pressable>
)}
</View>
);
}
function chunk<T>(arr: T[], size: number): T[][] {
const out: T[][] = [];
for (let i = 0; i < arr.length; i += size) out.push(arr.slice(i, i + size));
return out;
}

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/**
* Post detail — full view of one post with stats, thread context, and a
* lazy-rendered image attachment.
*
* Why a dedicated screen?
* - PostCard in the timeline intentionally doesn't render attachments
* (would explode initial render time with N images).
* - Per-post stats (views, likes, liked_by_me) want a fresh refresh
* on open; timeline batches but not at the per-second cadence a
* reader expects when they just tapped in.
*
* Layout:
* [← back · Пост]
* [PostCard (full — with attachment)]
* [stats bar: views · likes · fee]
* [— reply affordance below (future)]
*/
import React, { useCallback, useEffect, useState } from 'react';
import {
View, Text, ScrollView, ActivityIndicator, Image,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { router, useLocalSearchParams } from 'expo-router';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
import { PostCard } from '@/components/feed/PostCard';
import { useStore } from '@/lib/store';
import {
fetchPost, fetchStats, bumpView, formatCount, formatFee,
type FeedPostItem, type PostStats,
} from '@/lib/feed';
export default function PostDetailScreen() {
const { id: postID } = useLocalSearchParams<{ id: string }>();
const keyFile = useStore(s => s.keyFile);
const [post, setPost] = useState<FeedPostItem | null>(null);
const [stats, setStats] = useState<PostStats | null>(null);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const load = useCallback(async () => {
if (!postID) return;
setLoading(true);
setError(null);
try {
const [p, s] = await Promise.all([
fetchPost(postID),
fetchStats(postID, keyFile?.pub_key),
]);
setPost(p);
setStats(s);
if (p) bumpView(postID); // fire-and-forget
} catch (e: any) {
setError(String(e?.message ?? e));
} finally {
setLoading(false);
}
}, [postID, keyFile]);
useEffect(() => { load(); }, [load]);
const onStatsChanged = useCallback(async () => {
if (!postID) return;
const s = await fetchStats(postID, keyFile?.pub_key);
if (s) setStats(s);
}, [postID, keyFile]);
const onDeleted = useCallback(() => {
// Go back to feed — the post is gone.
router.back();
}, []);
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<Header
divider
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
title="Пост"
/>
{loading ? (
<View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
<ActivityIndicator color="#1d9bf0" />
</View>
) : error ? (
<View style={{ padding: 24 }}>
<Text style={{ color: '#f4212e' }}>{error}</Text>
</View>
) : !post ? (
<View style={{ padding: 24, alignItems: 'center' }}>
<Ionicons name="trash-outline" size={32} color="#6a6a6a" />
<Text style={{ color: '#8b8b8b', marginTop: 10 }}>
Пост удалён или больше недоступен
</Text>
</View>
) : (
<ScrollView>
<PostCard
post={{ ...post, likes: stats?.likes ?? post.likes, views: stats?.views ?? post.views }}
likedByMe={stats?.liked_by_me ?? false}
onStatsChanged={onStatsChanged}
onDeleted={onDeleted}
/>
{/* Attachment preview (if any). For MVP we try loading from the
CURRENT node — works when you're connected to the hosting
relay. Cross-relay discovery (look up hosting_relay URL via
/api/relays) is future work. */}
{post.has_attachment && (
<AttachmentPreview postID={post.post_id} />
)}
{/* Detailed stats block */}
<View
style={{
marginHorizontal: 14,
marginTop: 12,
paddingVertical: 14,
paddingHorizontal: 14,
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
<Text style={{
color: '#5a5a5a',
fontSize: 11,
fontWeight: '700',
letterSpacing: 1.2,
textTransform: 'uppercase',
marginBottom: 10,
}}>
Информация о посте
</Text>
<DetailRow label="Просмотров" value={formatCount(stats?.views ?? post.views)} />
<DetailRow label="Лайков" value={formatCount(stats?.likes ?? post.likes)} />
<DetailRow label="Размер" value={`${Math.round(post.size / 1024 * 10) / 10} KB`} />
<DetailRow
label="Стоимость публикации"
value={formatFee(1000 + post.size)}
/>
<DetailRow
label="Хостинг"
value={shortAddr(post.hosting_relay)}
mono
/>
{post.hashtags && post.hashtags.length > 0 && (
<>
<View style={{ height: 1, backgroundColor: '#1f1f1f', marginVertical: 10 }} />
<Text style={{ color: '#5a5a5a', fontSize: 11, marginBottom: 6 }}>
Хештеги
</Text>
<View style={{ flexDirection: 'row', flexWrap: 'wrap', gap: 6 }}>
{post.hashtags.map(tag => (
<Text
key={tag}
onPress={() => router.push(`/(app)/feed/tag/${encodeURIComponent(tag)}` as never)}
style={{
color: '#1d9bf0',
fontSize: 13,
paddingHorizontal: 8,
paddingVertical: 3,
backgroundColor: '#081a2a',
borderRadius: 999,
}}
>
#{tag}
</Text>
))}
</View>
</>
)}
</View>
<View style={{ height: 80 }} />
</ScrollView>
)}
</View>
);
}
function DetailRow({ label, value, mono }: { label: string; value: string; mono?: boolean }) {
return (
<View style={{ flexDirection: 'row', paddingVertical: 3 }}>
<Text style={{ color: '#8b8b8b', fontSize: 13, flex: 1 }}>{label}</Text>
<Text
style={{
color: '#ffffff',
fontSize: 13,
fontWeight: '600',
fontFamily: mono ? 'monospace' : undefined,
}}
>
{value}
</Text>
</View>
);
}
function AttachmentPreview({ postID }: { postID: string }) {
// For MVP we hit the local node URL; if the body is hosted elsewhere
// the image load will fail and the placeholder stays visible.
const { getNodeUrl } = require('@/lib/api');
const url = `${getNodeUrl()}/feed/post/${postID}`;
// The body is a JSON object, not raw image bytes. For now we just
// show a placeholder — decoding base64 attachment → data-uri is a
// Phase D improvement once we add /feed/post/{id}/attachment raw bytes.
return (
<View
style={{
margin: 14,
paddingVertical: 32,
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1,
borderColor: '#1f1f1f',
alignItems: 'center',
}}
>
<Ionicons name="image-outline" size={32} color="#5a5a5a" />
<Text style={{ color: '#8b8b8b', marginTop: 10, fontSize: 12 }}>
Вложение: {url}
</Text>
<Text style={{ color: '#5a5a5a', marginTop: 4, fontSize: 10 }}>
Прямой просмотр вложений в следующем релизе
</Text>
</View>
);
}
function shortAddr(a: string, n = 6): string {
if (!a) return '—';
return a.length <= n * 2 + 1 ? a : `${a.slice(0, n)}${a.slice(-n)}`;
}
// Silence Image import when unused (reserved for future attachment preview).
void Image;

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/**
* Hashtag feed — all posts tagged with #tag, newest first.
*
* Route: /(app)/feed/tag/[tag]
* Triggered by tapping a hashtag inside any PostCard's body.
*/
import React, { useCallback, useEffect, useRef, useState } from 'react';
import {
View, Text, FlatList, RefreshControl, ActivityIndicator,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { router, useLocalSearchParams } from 'expo-router';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
import { PostCard } from '@/components/feed/PostCard';
import { useStore } from '@/lib/store';
import { fetchHashtag, fetchStats, type FeedPostItem } from '@/lib/feed';
export default function HashtagScreen() {
const { tag: rawTag } = useLocalSearchParams<{ tag: string }>();
const tag = (rawTag ?? '').replace(/^#/, '').toLowerCase();
const keyFile = useStore(s => s.keyFile);
const [posts, setPosts] = useState<FeedPostItem[]>([]);
const [likedSet, setLikedSet] = useState<Set<string>>(new Set());
const [loading, setLoading] = useState(true);
const [refreshing, setRefreshing] = useState(false);
const seq = useRef(0);
const load = useCallback(async (isRefresh = false) => {
if (!tag) return;
if (isRefresh) setRefreshing(true);
else setLoading(true);
const id = ++seq.current;
try {
const items = await fetchHashtag(tag, 60);
if (id !== seq.current) return;
setPosts(items);
const liked = new Set<string>();
if (keyFile) {
for (const p of items) {
const s = await fetchStats(p.post_id, keyFile.pub_key);
if (s?.liked_by_me) liked.add(p.post_id);
}
}
if (id !== seq.current) return;
setLikedSet(liked);
} catch {
if (id !== seq.current) return;
setPosts([]);
} finally {
if (id !== seq.current) return;
setLoading(false);
setRefreshing(false);
}
}, [tag, keyFile]);
useEffect(() => { load(false); }, [load]);
const onStatsChanged = useCallback(async (postID: string) => {
if (!keyFile) return;
const s = await fetchStats(postID, keyFile.pub_key);
if (!s) return;
setPosts(ps => ps.map(p => p.post_id === postID
? { ...p, likes: s.likes, views: s.views } : p));
setLikedSet(set => {
const next = new Set(set);
if (s.liked_by_me) next.add(postID); else next.delete(postID);
return next;
});
}, [keyFile]);
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<Header
divider
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
title={`#${tag}`}
/>
<FlatList
data={posts}
keyExtractor={p => p.post_id}
renderItem={({ item }) => (
<PostCard
post={item}
likedByMe={likedSet.has(item.post_id)}
onStatsChanged={onStatsChanged}
/>
)}
refreshControl={
<RefreshControl
refreshing={refreshing}
onRefresh={() => load(true)}
tintColor="#1d9bf0"
/>
}
ListEmptyComponent={
loading ? (
<View style={{ paddingTop: 80, alignItems: 'center' }}>
<ActivityIndicator color="#1d9bf0" />
</View>
) : (
<View style={{
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingHorizontal: 32, paddingVertical: 80,
}}>
<Ionicons name="pricetag-outline" size={32} color="#6a6a6a" />
<Text style={{ color: '#ffffff', fontWeight: '700', marginTop: 10 }}>
Пока нет постов с этим тегом
</Text>
<Text style={{ color: '#8b8b8b', textAlign: 'center', fontSize: 13, marginTop: 6 }}>
Будьте первым напишите пост с #{tag}
</Text>
</View>
)
}
contentContainerStyle={posts.length === 0 ? { flexGrow: 1 } : undefined}
/>
</View>
);
}

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/**
* Add new contact — dark minimalist, inspired by the reference.
*
* Flow:
* 1. Пользователь вводит @username или hex pubkey / DC-address.
* 2. Жмёт Search → resolveUsername → getIdentity.
* 3. Показываем preview (avatar + имя + address + наличие x25519).
* 4. Выбирает fee (chip-selector) + вводит intro.
* 5. Submit → CONTACT_REQUEST tx.
*/
import React, { useState } from 'react';
import {
View, Text, ScrollView, Alert, Pressable, TextInput, ActivityIndicator,
} from 'react-native';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { getIdentity, buildContactRequestTx, submitTx, resolveUsername, humanizeTxError } from '@/lib/api';
import { shortAddr } from '@/lib/crypto';
import { formatAmount } from '@/lib/utils';
import { Avatar } from '@/components/Avatar';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
import { SearchBar } from '@/components/SearchBar';
const MIN_CONTACT_FEE = 5000;
const FEE_TIERS = [
{ value: 5_000, label: 'Min' },
{ value: 10_000, label: 'Standard' },
{ value: 50_000, label: 'Priority' },
];
interface Resolved {
address: string;
nickname?: string;
x25519?: string;
}
export default function NewContactScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const settings = useStore(s => s.settings);
const balance = useStore(s => s.balance);
const [query, setQuery] = useState('');
const [intro, setIntro] = useState('');
const [fee, setFee] = useState(MIN_CONTACT_FEE);
const [resolved, setResolved] = useState<Resolved | null>(null);
const [searching, setSearching] = useState(false);
const [sending, setSending] = useState(false);
const [error, setError] = useState<string | null>(null);
async function search() {
const q = query.trim();
if (!q) return;
setSearching(true); setResolved(null); setError(null);
try {
let address = q;
if (q.startsWith('@') || (!q.match(/^[0-9a-f]{64}$/i) && !q.startsWith('DC'))) {
const name = q.replace('@', '');
const addr = await resolveUsername(settings.contractId, name);
if (!addr) { setError(`@${name} is not registered on this chain`); return; }
address = addr;
}
const identity = await getIdentity(address);
setResolved({
address: identity?.pub_key ?? address,
nickname: identity?.nickname || undefined,
x25519: identity?.x25519_pub || undefined,
});
} catch (e: any) {
setError(e?.message ?? 'Lookup failed');
} finally {
setSearching(false);
}
}
async function sendRequest() {
if (!resolved || !keyFile) return;
if (balance < fee + 1000) {
Alert.alert('Insufficient balance', `Need ${formatAmount(fee + 1000)} (fee + network).`);
return;
}
setSending(true); setError(null);
try {
const tx = buildContactRequestTx({
from: keyFile.pub_key,
to: resolved.address,
contactFee: fee,
intro: intro.trim() || undefined,
privKey: keyFile.priv_key,
});
await submitTx(tx);
Alert.alert(
'Request sent',
`A contact request has been sent to ${resolved.nickname ? '@' + resolved.nickname : shortAddr(resolved.address)}.`,
[{ text: 'OK', onPress: () => router.back() }],
);
} catch (e: any) {
setError(humanizeTxError(e));
} finally {
setSending(false);
}
}
const displayName = resolved
? (resolved.nickname ? `@${resolved.nickname}` : shortAddr(resolved.address))
: '';
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<Header
title="New chat"
divider={false}
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<ScrollView
contentContainerStyle={{ padding: 14, paddingBottom: 120 }}
keyboardShouldPersistTaps="handled"
showsVerticalScrollIndicator={false}
>
<Text style={{ color: '#8b8b8b', fontSize: 13, lineHeight: 19, marginBottom: 14 }}>
Enter a <Text style={{ color: '#ffffff', fontWeight: '600' }}>@username</Text>, a
hex pubkey or a <Text style={{ color: '#ffffff', fontWeight: '600' }}>DC</Text> address.
</Text>
<SearchBar
value={query}
onChangeText={setQuery}
placeholder="@alice or hex / DC address"
onSubmitEditing={search}
/>
<Pressable
onPress={search}
disabled={searching || !query.trim()}
style={({ pressed }) => ({
flexDirection: 'row', alignItems: 'center', justifyContent: 'center',
paddingVertical: 11, borderRadius: 999, marginTop: 12,
backgroundColor: !query.trim() || searching ? '#1a1a1a' : pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
{searching ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}>Search</Text>
)}
</Pressable>
{error && (
<View style={{
marginTop: 14,
padding: 12,
borderRadius: 10,
backgroundColor: 'rgba(244,33,46,0.08)',
borderWidth: 1, borderColor: 'rgba(244,33,46,0.25)',
}}>
<Text style={{ color: '#f4212e', fontSize: 13 }}>{error}</Text>
</View>
)}
{/* Resolved profile card */}
{resolved && (
<>
<View style={{
marginTop: 18,
padding: 14,
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
}}>
<View style={{ flexDirection: 'row', alignItems: 'center', gap: 12 }}>
<Avatar
name={displayName}
address={resolved.address}
size={52}
dotColor={resolved.x25519 ? '#3ba55d' : '#f0b35a'}
/>
<View style={{ flex: 1, minWidth: 0 }}>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 16 }}>
{displayName}
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 11, fontFamily: 'monospace', marginTop: 2 }} numberOfLines={1}>
{shortAddr(resolved.address, 10)}
</Text>
<View style={{ flexDirection: 'row', alignItems: 'center', marginTop: 5, gap: 4 }}>
<Ionicons
name={resolved.x25519 ? 'lock-closed' : 'time-outline'}
size={11}
color={resolved.x25519 ? '#3ba55d' : '#f0b35a'}
/>
<Text style={{
color: resolved.x25519 ? '#3ba55d' : '#f0b35a',
fontSize: 11, fontWeight: '500',
}}>
{resolved.x25519 ? 'E2E-ready' : 'Key not published yet'}
</Text>
</View>
</View>
</View>
</View>
{/* Intro */}
<Text style={{ color: '#8b8b8b', fontSize: 12, marginTop: 18, marginBottom: 6 }}>
Intro (optional, plaintext on-chain)
</Text>
<TextInput
value={intro}
onChangeText={setIntro}
placeholder="Hey, it's Jordan from the conference"
placeholderTextColor="#5a5a5a"
multiline
maxLength={140}
style={{
color: '#ffffff', fontSize: 14,
backgroundColor: '#0a0a0a', borderRadius: 10,
paddingHorizontal: 12, paddingVertical: 10,
borderWidth: 1, borderColor: '#1f1f1f',
minHeight: 80, textAlignVertical: 'top',
}}
/>
<Text style={{ color: '#5a5a5a', fontSize: 11, textAlign: 'right', marginTop: 4 }}>
{intro.length}/140
</Text>
{/* Fee tier */}
<Text style={{ color: '#8b8b8b', fontSize: 12, marginTop: 14, marginBottom: 6 }}>
Anti-spam fee (goes to recipient)
</Text>
<View style={{ flexDirection: 'row', gap: 8 }}>
{FEE_TIERS.map(t => {
const active = fee === t.value;
return (
<Pressable
key={t.value}
onPress={() => setFee(t.value)}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center',
paddingVertical: 10,
borderRadius: 10,
backgroundColor: active ? '#ffffff' : pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: active ? '#ffffff' : '#1f1f1f',
})}
>
<Text style={{
color: active ? '#000' : '#ffffff',
fontWeight: '700', fontSize: 13,
}}>
{t.label}
</Text>
<Text style={{
color: active ? '#333' : '#8b8b8b',
fontSize: 11, marginTop: 2,
}}>
{formatAmount(t.value)}
</Text>
</Pressable>
);
})}
</View>
{/* Submit */}
<Pressable
onPress={sendRequest}
disabled={sending}
style={({ pressed }) => ({
flexDirection: 'row', alignItems: 'center', justifyContent: 'center',
paddingVertical: 13, borderRadius: 999, marginTop: 20,
backgroundColor: sending ? '#1a1a1a' : pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
{sending ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}>
Send request · {formatAmount(fee + 1000)}
</Text>
)}
</Pressable>
</>
)}
</ScrollView>
</View>
);
}

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/**
* Profile screen — shows info about any address (yours or someone else's),
* plus their post feed, follow/unfollow button, and basic counters.
*
* Routes:
* /(app)/profile/<ed25519-hex>
*
* Two states:
* - Known contact → open chat, show full info
* - Unknown address → Twitter-style "discovery" profile: shows just the
* address + posts + follow button. Useful when tapping an author from
* the feed of someone you don't chat with.
*/
import React, { useCallback, useEffect, useState } from 'react';
import {
View, Text, ScrollView, Pressable, Alert, FlatList,
ActivityIndicator, RefreshControl,
} from 'react-native';
import { router, useLocalSearchParams } from 'expo-router';
import * as Clipboard from 'expo-clipboard';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import type { Contact } from '@/lib/types';
import { Avatar } from '@/components/Avatar';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
import { PostCard } from '@/components/feed/PostCard';
import {
fetchAuthorPosts, fetchStats, followUser, unfollowUser,
formatCount, type FeedPostItem,
} from '@/lib/feed';
import { humanizeTxError } from '@/lib/api';
function shortAddr(a: string, n = 10): string {
if (!a) return '—';
return a.length <= n * 2 + 1 ? a : `${a.slice(0, n)}${a.slice(-n)}`;
}
type Tab = 'posts' | 'info';
export default function ProfileScreen() {
const insets = useSafeAreaInsets();
const { address } = useLocalSearchParams<{ address: string }>();
const contacts = useStore(s => s.contacts);
const keyFile = useStore(s => s.keyFile);
const contact = contacts.find(c => c.address === address);
const [tab, setTab] = useState<Tab>('posts');
const [posts, setPosts] = useState<FeedPostItem[]>([]);
const [likedSet, setLikedSet] = useState<Set<string>>(new Set());
const [loadingPosts, setLoadingPosts] = useState(true);
const [refreshing, setRefreshing] = useState(false);
// Follow state is optimistic + reconciled via on-chain query. For MVP
// we keep a local-only flag that toggles immediately on tap; future:
// query chain.Following(me) once on mount to seed accurate initial state.
const [following, setFollowing] = useState(false);
const [followingBusy, setFollowingBusy] = useState(false);
const [copied, setCopied] = useState<string | null>(null);
const isMe = !!keyFile && keyFile.pub_key === address;
const displayName = contact?.username
? `@${contact.username}`
: contact?.alias ?? (isMe ? 'Вы' : shortAddr(address ?? ''));
const loadPosts = useCallback(async (isRefresh = false) => {
if (!address) return;
if (isRefresh) setRefreshing(true); else setLoadingPosts(true);
try {
const items = await fetchAuthorPosts(address, 40);
setPosts(items);
if (keyFile) {
const liked = new Set<string>();
for (const p of items) {
const s = await fetchStats(p.post_id, keyFile.pub_key);
if (s?.liked_by_me) liked.add(p.post_id);
}
setLikedSet(liked);
}
} catch {
setPosts([]);
} finally {
setLoadingPosts(false);
setRefreshing(false);
}
}, [address, keyFile]);
useEffect(() => {
if (tab === 'posts') loadPosts(false);
}, [tab, loadPosts]);
const copy = async (value: string, label: string) => {
await Clipboard.setStringAsync(value);
setCopied(label);
setTimeout(() => setCopied(null), 1800);
};
const openChat = () => {
if (!address) return;
router.replace(`/(app)/chats/${address}` as never);
};
const onToggleFollow = async () => {
if (!keyFile || !address || isMe || followingBusy) return;
setFollowingBusy(true);
const wasFollowing = following;
setFollowing(!wasFollowing);
try {
if (wasFollowing) {
await unfollowUser({ from: keyFile.pub_key, privKey: keyFile.priv_key, target: address });
} else {
await followUser({ from: keyFile.pub_key, privKey: keyFile.priv_key, target: address });
}
} catch (e: any) {
setFollowing(wasFollowing);
Alert.alert('Не удалось', humanizeTxError(e));
} finally {
setFollowingBusy(false);
}
};
const onStatsChanged = useCallback(async (postID: string) => {
if (!keyFile) return;
const s = await fetchStats(postID, keyFile.pub_key);
if (!s) return;
setPosts(ps => ps.map(p => p.post_id === postID
? { ...p, likes: s.likes, views: s.views } : p));
setLikedSet(set => {
const next = new Set(set);
if (s.liked_by_me) next.add(postID); else next.delete(postID);
return next;
});
}, [keyFile]);
const onDeleted = useCallback((postID: string) => {
setPosts(ps => ps.filter(p => p.post_id !== postID));
}, []);
// ── Hero + follow button block ──────────────────────────────────────
const Hero = (
<View style={{ paddingHorizontal: 14, paddingTop: 16, paddingBottom: 4 }}>
<View style={{ flexDirection: 'row', alignItems: 'flex-end' }}>
<Avatar name={displayName} address={address} size={72} />
<View style={{ flex: 1 }} />
{!isMe ? (
<Pressable
onPress={onToggleFollow}
disabled={followingBusy}
style={({ pressed }) => ({
paddingHorizontal: 18, paddingVertical: 9,
borderRadius: 999,
backgroundColor: following
? (pressed ? '#1a1a1a' : '#111111')
: (pressed ? '#e7e7e7' : '#ffffff'),
borderWidth: following ? 1 : 0,
borderColor: '#1f1f1f',
minWidth: 110,
alignItems: 'center',
})}
>
{followingBusy ? (
<ActivityIndicator
size="small"
color={following ? '#ffffff' : '#000000'}
/>
) : (
<Text
style={{
color: following ? '#ffffff' : '#000000',
fontWeight: '700',
fontSize: 13,
}}
>
{following ? 'Вы подписаны' : 'Подписаться'}
</Text>
)}
</Pressable>
) : (
<Pressable
onPress={() => router.push('/(app)/settings' as never)}
style={({ pressed }) => ({
paddingHorizontal: 18, paddingVertical: 9,
borderRadius: 999,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: '#1f1f1f',
})}
>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 13 }}>
Редактировать
</Text>
</Pressable>
)}
</View>
<View style={{ flexDirection: 'row', alignItems: 'center', marginTop: 14 }}>
<Text style={{ color: '#ffffff', fontSize: 22, fontWeight: '800' }}>
{displayName}
</Text>
{contact?.username && (
<Ionicons name="checkmark-circle" size={18} color="#1d9bf0" style={{ marginLeft: 5 }} />
)}
</View>
<Text style={{ color: '#6a6a6a', fontSize: 12, marginTop: 2 }}>
{shortAddr(address ?? '')}
</Text>
{/* Counters row — post count is derived from what we loaded; follower/
following counters would require chain.Followers / chain.Following
HTTP exposure which isn't wired yet (Phase D). */}
<View style={{ flexDirection: 'row', marginTop: 12, gap: 18 }}>
<Text style={{ color: '#ffffff', fontSize: 13 }}>
<Text style={{ fontWeight: '700' }}>{formatCount(posts.length)}</Text>
<Text style={{ color: '#6a6a6a' }}> постов</Text>
</Text>
</View>
{/* Secondary actions: open chat + copy address */}
{!isMe && contact && (
<View style={{ flexDirection: 'row', gap: 8, marginTop: 14 }}>
<Pressable
onPress={openChat}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingVertical: 10, borderRadius: 999,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: '#1f1f1f',
flexDirection: 'row', gap: 6,
})}
>
<Ionicons name="chatbubble-outline" size={14} color="#ffffff" />
<Text style={{ color: '#ffffff', fontWeight: '600', fontSize: 13 }}>
Чат
</Text>
</Pressable>
<Pressable
onPress={() => address && copy(address, 'address')}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingVertical: 10, borderRadius: 999,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: '#1f1f1f',
})}
>
<Text style={{ color: '#ffffff', fontWeight: '600', fontSize: 13 }}>
{copied === 'address' ? 'Скопировано' : 'Копировать адрес'}
</Text>
</Pressable>
</View>
)}
</View>
);
// ── Tab strip ────────────────────────────────────────────────────────
const TabStrip = (
<View
style={{
flexDirection: 'row',
borderBottomWidth: 1,
borderBottomColor: '#141414',
marginTop: 14,
}}
>
{(['posts', 'info'] as Tab[]).map(key => (
<Pressable
key={key}
onPress={() => setTab(key)}
style={{
flex: 1,
alignItems: 'center',
paddingVertical: 12,
}}
>
<Text
style={{
color: tab === key ? '#ffffff' : '#6a6a6a',
fontWeight: tab === key ? '700' : '500',
fontSize: 13,
}}
>
{key === 'posts' ? 'Посты' : 'Инфо'}
</Text>
{tab === key && (
<View style={{
marginTop: 6,
width: 48, height: 3, borderRadius: 1.5,
backgroundColor: '#1d9bf0',
}} />
)}
</Pressable>
))}
</View>
);
// ── Content per tab ─────────────────────────────────────────────────
if (tab === 'posts') {
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<Header
title="Профиль"
divider
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<FlatList
data={posts}
keyExtractor={p => p.post_id}
renderItem={({ item }) => (
<PostCard
post={item}
likedByMe={likedSet.has(item.post_id)}
onStatsChanged={onStatsChanged}
onDeleted={onDeleted}
/>
)}
ListHeaderComponent={
<>
{Hero}
{TabStrip}
</>
}
refreshControl={
<RefreshControl
refreshing={refreshing}
onRefresh={() => loadPosts(true)}
tintColor="#1d9bf0"
/>
}
ListEmptyComponent={
loadingPosts ? (
<View style={{ padding: 40, alignItems: 'center' }}>
<ActivityIndicator color="#1d9bf0" />
</View>
) : (
<View style={{
paddingVertical: 60,
paddingHorizontal: 32,
alignItems: 'center',
}}>
<Ionicons name="newspaper-outline" size={32} color="#6a6a6a" />
<Text style={{ color: '#ffffff', fontWeight: '700', marginTop: 10 }}>
Пока нет постов
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, marginTop: 6, textAlign: 'center' }}>
{isMe
? 'Нажмите на синюю кнопку в ленте, чтобы написать первый.'
: 'Этот пользователь ещё ничего не публиковал.'}
</Text>
</View>
)
}
/>
</View>
);
}
// Info tab
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<Header
title="Профиль"
divider
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<ScrollView>
{Hero}
{TabStrip}
<View style={{ paddingHorizontal: 14, paddingTop: 14 }}>
<View
style={{
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
overflow: 'hidden',
}}
>
<InfoRow label="Адрес" value={shortAddr(address ?? '')} mono />
{contact && (
<>
<InfoRow
label="Ключ шифрования"
value={contact.x25519Pub ? shortAddr(contact.x25519Pub) : 'не опубликован'}
mono={!!contact.x25519Pub}
danger={!contact.x25519Pub}
/>
<InfoRow label="Добавлен" value={new Date(contact.addedAt).toLocaleDateString()} />
</>
)}
</View>
</View>
<View style={{ height: 40 + insets.bottom }} />
</ScrollView>
</View>
);
}
function InfoRow({
label, value, mono, accent, danger,
}: {
label: string;
value: string;
mono?: boolean;
accent?: boolean;
danger?: boolean;
}) {
const color = danger ? '#f0b35a' : accent ? '#1d9bf0' : '#ffffff';
return (
<View
style={{
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 14,
paddingVertical: 12,
borderTopWidth: 1,
borderTopColor: '#1f1f1f',
}}
>
<Text style={{ color: '#8b8b8b', fontSize: 13, flex: 1 }}>{label}</Text>
<Text
style={{
color, fontSize: 13,
fontFamily: mono ? 'monospace' : undefined,
fontWeight: '600',
}}
numberOfLines={1}
>
{value}
</Text>
</View>
);
}
// Silence unused-import lint for Contact type used only in helpers.
const _contactType: Contact | null = null; void _contactType;

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@@ -0,0 +1,173 @@
/**
* Contact requests / notifications — dark minimalist.
*
* В референсе нижний таб «notifications» ведёт сюда. Пока это только
* incoming CONTACT_REQUEST'ы; позже сюда же придут другие системные
* уведомления (slash, ADD_VALIDATOR со-sig-ing, и т.д.).
*/
import React, { useState } from 'react';
import { View, Text, FlatList, Alert, Pressable, ActivityIndicator } from 'react-native';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import {
buildAcceptContactTx, submitTx, getIdentity, humanizeTxError,
} from '@/lib/api';
import { saveContact } from '@/lib/storage';
import { shortAddr } from '@/lib/crypto';
import { relativeTime } from '@/lib/utils';
import type { ContactRequest } from '@/lib/types';
import { Avatar } from '@/components/Avatar';
import { TabHeader } from '@/components/TabHeader';
import { IconButton } from '@/components/IconButton';
export default function RequestsScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const requests = useStore(s => s.requests);
const setRequests = useStore(s => s.setRequests);
const upsertContact = useStore(s => s.upsertContact);
const [accepting, setAccepting] = useState<string | null>(null);
async function accept(req: ContactRequest) {
if (!keyFile) return;
setAccepting(req.txHash);
try {
const identity = await getIdentity(req.from);
const x25519Pub = identity?.x25519_pub ?? '';
const tx = buildAcceptContactTx({
from: keyFile.pub_key, to: req.from, privKey: keyFile.priv_key,
});
await submitTx(tx);
const contact = { address: req.from, x25519Pub, username: req.username, addedAt: Date.now() };
upsertContact(contact);
await saveContact(contact);
setRequests(requests.filter(r => r.txHash !== req.txHash));
router.replace(`/(app)/chats/${req.from}` as never);
} catch (e: any) {
Alert.alert('Accept failed', humanizeTxError(e));
} finally {
setAccepting(null);
}
}
function decline(req: ContactRequest) {
Alert.alert(
'Decline request',
`Decline request from ${req.username ? '@' + req.username : shortAddr(req.from)}?`,
[
{ text: 'Cancel', style: 'cancel' },
{
text: 'Decline',
style: 'destructive',
onPress: () => setRequests(requests.filter(r => r.txHash !== req.txHash)),
},
],
);
}
const renderItem = ({ item: req }: { item: ContactRequest }) => {
const name = req.username ? `@${req.username}` : shortAddr(req.from);
const isAccepting = accepting === req.txHash;
return (
<View
style={{
flexDirection: 'row',
paddingHorizontal: 14,
paddingVertical: 12,
borderBottomWidth: 1,
borderBottomColor: '#0f0f0f',
}}
>
<Avatar name={name} address={req.from} size={44} />
<View style={{ flex: 1, marginLeft: 12, minWidth: 0 }}>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 15 }}>
{name}
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 12, marginTop: 2 }}>
wants to message you · {relativeTime(req.timestamp)}
</Text>
{req.intro ? (
<Text
style={{
color: '#d0d0d0', fontSize: 13, lineHeight: 18,
marginTop: 6,
padding: 8,
borderRadius: 10,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
}}
numberOfLines={3}
>
{req.intro}
</Text>
) : null}
<View style={{ flexDirection: 'row', gap: 8, marginTop: 10 }}>
<Pressable
onPress={() => accept(req)}
disabled={isAccepting}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingVertical: 9, borderRadius: 999,
backgroundColor: isAccepting ? '#1a1a1a' : pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
{isAccepting ? (
<ActivityIndicator size="small" color="#ffffff" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 13 }}>Accept</Text>
)}
</Pressable>
<Pressable
onPress={() => decline(req)}
disabled={isAccepting}
style={({ pressed }) => ({
flex: 1,
alignItems: 'center', justifyContent: 'center',
paddingVertical: 9, borderRadius: 999,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: '#1f1f1f',
})}
>
<Text style={{ color: '#ffffff', fontWeight: '600', fontSize: 13 }}>Decline</Text>
</Pressable>
</View>
</View>
</View>
);
};
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<TabHeader title="Notifications" />
{requests.length === 0 ? (
<View style={{ flex: 1, alignItems: 'center', justifyContent: 'center', paddingHorizontal: 32 }}>
<Ionicons name="notifications-outline" size={42} color="#3a3a3a" />
<Text style={{ color: '#ffffff', fontSize: 16, fontWeight: '700', marginTop: 10 }}>
All caught up
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, textAlign: 'center', marginTop: 6, lineHeight: 19 }}>
Contact requests and network events will appear here.
</Text>
</View>
) : (
<FlatList
data={requests}
keyExtractor={r => r.txHash}
renderItem={renderItem}
contentContainerStyle={{ paddingBottom: 120 }}
showsVerticalScrollIndicator={false}
/>
)}
</View>
);
}

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/**
* Settings screen — sub-route, открывается по tap'у на profile-avatar в
* TabHeader. Использует обычный `<Header>` с back-кнопкой.
*
* Секции:
* 1. Профиль — avatar, @username, short-address, Copy row.
* 2. Username — регистрация в native:username_registry (если не куплено).
* 3. Node — URL + contract ID + Save + Status.
* 4. Account — Export key, Delete account.
*
* Весь Pressable'овый layout живёт на ВНЕШНЕМ View с static style —
* Pressable handle-ит только background change (через вложенный View
* в ({pressed}) callback'е), никаких layout props в callback-style.
* Это лечит web-баг, где Pressable style-функция не применяет
* percentage/padding layout надёжно.
*/
import React, { useState, useEffect } from 'react';
import {
View, Text, ScrollView, TextInput, Alert, Pressable, ActivityIndicator, Share,
} from 'react-native';
import * as Clipboard from 'expo-clipboard';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { saveSettings, deleteKeyFile } from '@/lib/storage';
import {
setNodeUrl, getNetStats, resolveUsername, reverseResolve,
buildCallContractTx, submitTx,
USERNAME_REGISTRATION_FEE, MIN_USERNAME_LENGTH, MAX_USERNAME_LENGTH,
humanizeTxError,
} from '@/lib/api';
import { shortAddr } from '@/lib/crypto';
import { formatAmount } from '@/lib/utils';
import { Avatar } from '@/components/Avatar';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
type NodeStatus = 'idle' | 'checking' | 'ok' | 'error';
type IoniconName = React.ComponentProps<typeof Ionicons>['name'];
// ─── Shared layout primitives ─────────────────────────────────────
function SectionLabel({ children }: { children: string }) {
return (
<Text
style={{
color: '#5a5a5a',
fontSize: 11,
letterSpacing: 1.2,
textTransform: 'uppercase',
marginTop: 18,
marginBottom: 8,
paddingHorizontal: 14,
fontWeight: '700',
}}
>
{children}
</Text>
);
}
function Card({ children }: { children: React.ReactNode }) {
return (
<View
style={{
backgroundColor: '#0a0a0a',
borderRadius: 14,
marginHorizontal: 14,
overflow: 'hidden',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
{children}
</View>
);
}
/**
* Row — clickable / non-clickable list item внутри Card'а.
*
* Layout живёт на ВНЕШНЕМ контейнере (View если read-only, Pressable
* если tappable). Для pressed-стейта используется вложенный `<View>`
* с background-color, чтобы не полагаться на style-функцию Pressable'а
* (web-баг).
*/
function Row({
icon, label, value, onPress, right, danger, first,
}: {
icon: IoniconName;
label: string;
value?: string;
onPress?: () => void;
right?: React.ReactNode;
danger?: boolean;
first?: boolean;
}) {
const body = (pressed: boolean) => (
<View
style={{
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 14,
paddingVertical: 13,
backgroundColor: pressed ? '#151515' : 'transparent',
borderTopWidth: first ? 0 : 1,
borderTopColor: '#1f1f1f',
}}
>
<View
style={{
width: 32,
height: 32,
borderRadius: 8,
backgroundColor: danger ? 'rgba(244,33,46,0.12)' : '#1a1a1a',
alignItems: 'center',
justifyContent: 'center',
marginRight: 12,
}}
>
<Ionicons name={icon} size={16} color={danger ? '#f4212e' : '#ffffff'} />
</View>
<View style={{ flex: 1, minWidth: 0 }}>
<Text
style={{
color: danger ? '#f4212e' : '#ffffff',
fontSize: 14,
fontWeight: '600',
}}
>
{label}
</Text>
{value !== undefined && (
<Text numberOfLines={1} style={{ color: '#8b8b8b', fontSize: 12, marginTop: 2 }}>
{value}
</Text>
)}
</View>
{right}
{onPress && !right && (
<Ionicons name="chevron-forward" size={16} color="#5a5a5a" />
)}
</View>
);
if (!onPress) return <View>{body(false)}</View>;
return (
<Pressable onPress={onPress}>
{({ pressed }) => body(pressed)}
</Pressable>
);
}
// ─── Screen ───────────────────────────────────────────────────────
export default function SettingsScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const setKeyFile = useStore(s => s.setKeyFile);
const settings = useStore(s => s.settings);
const setSettings = useStore(s => s.setSettings);
const username = useStore(s => s.username);
const setUsername = useStore(s => s.setUsername);
const balance = useStore(s => s.balance);
const [nodeUrl, setNodeUrlInput] = useState(settings.nodeUrl);
const [contractId, setContractId] = useState(settings.contractId);
const [nodeStatus, setNodeStatus] = useState<NodeStatus>('idle');
const [peerCount, setPeerCount] = useState<number | null>(null);
const [blockCount, setBlockCount] = useState<number | null>(null);
const [copied, setCopied] = useState(false);
const [savingNode, setSavingNode] = useState(false);
// Username registration state
const [nameInput, setNameInput] = useState('');
const [nameError, setNameError] = useState<string | null>(null);
const [registering, setRegistering] = useState(false);
useEffect(() => { checkNode(); }, []);
useEffect(() => { setContractId(settings.contractId); }, [settings.contractId]);
useEffect(() => {
if (!settings.contractId || !keyFile) { setUsername(null); return; }
(async () => {
const name = await reverseResolve(settings.contractId, keyFile.pub_key);
setUsername(name);
})();
}, [settings.contractId, keyFile, setUsername]);
async function checkNode() {
setNodeStatus('checking');
try {
const stats = await getNetStats();
setNodeStatus('ok');
setPeerCount(stats.peer_count);
setBlockCount(stats.total_blocks);
} catch {
setNodeStatus('error');
}
}
async function saveNode() {
setSavingNode(true);
const url = nodeUrl.trim().replace(/\/$/, '');
setNodeUrl(url);
const next = { nodeUrl: url, contractId: contractId.trim() };
setSettings(next);
await saveSettings(next);
await checkNode();
setSavingNode(false);
Alert.alert('Saved', 'Node settings updated.');
}
async function copyAddress() {
if (!keyFile) return;
await Clipboard.setStringAsync(keyFile.pub_key);
setCopied(true);
setTimeout(() => setCopied(false), 1800);
}
async function exportKey() {
if (!keyFile) return;
try {
await Share.share({
message: JSON.stringify(keyFile, null, 2),
title: 'DChain key file',
});
} catch (e: any) {
Alert.alert('Export failed', e?.message ?? 'Unknown error');
}
}
function logout() {
Alert.alert(
'Delete account',
'Your key will be removed from this device. Make sure you have a backup!',
[
{ text: 'Cancel', style: 'cancel' },
{
text: 'Delete',
style: 'destructive',
onPress: async () => {
await deleteKeyFile();
setKeyFile(null);
router.replace('/');
},
},
],
);
}
const onNameChange = (v: string) => {
const cleaned = v.toLowerCase().replace(/[^a-z0-9_\-]/g, '').slice(0, MAX_USERNAME_LENGTH);
setNameInput(cleaned);
setNameError(null);
};
const nameIsValid = nameInput.length >= MIN_USERNAME_LENGTH && /^[a-z]/.test(nameInput);
async function registerUsername() {
if (!keyFile) return;
const name = nameInput.trim();
if (!nameIsValid) {
setNameError(`Min ${MIN_USERNAME_LENGTH} chars, starts with a-z`);
return;
}
if (!settings.contractId) {
setNameError('No registry contract in node settings');
return;
}
const total = USERNAME_REGISTRATION_FEE + 1000 + 2000;
if (balance < total) {
setNameError(`Need ${formatAmount(total)}, have ${formatAmount(balance)}`);
return;
}
try {
const existing = await resolveUsername(settings.contractId, name);
if (existing) { setNameError(`@${name} already taken`); return; }
} catch { /* ignore */ }
Alert.alert(
`Buy @${name}?`,
`Cost: ${formatAmount(USERNAME_REGISTRATION_FEE)} + fee ${formatAmount(1000)}.\nBinds to your address until released.`,
[
{ text: 'Cancel', style: 'cancel' },
{
text: 'Buy',
onPress: async () => {
setRegistering(true);
setNameError(null);
try {
const tx = buildCallContractTx({
from: keyFile.pub_key,
contractId: settings.contractId,
method: 'register',
args: [name],
amount: USERNAME_REGISTRATION_FEE,
privKey: keyFile.priv_key,
});
await submitTx(tx);
setNameInput('');
Alert.alert('Submitted', 'Registration tx accepted. Name appears in a few seconds.');
let attempts = 0;
const iv = setInterval(async () => {
attempts++;
const got = keyFile
? await reverseResolve(settings.contractId, keyFile.pub_key)
: null;
if (got) { setUsername(got); clearInterval(iv); }
else if (attempts >= 10) clearInterval(iv);
}, 2000);
} catch (e: any) {
setNameError(humanizeTxError(e));
} finally {
setRegistering(false);
}
},
},
],
);
}
const statusColor =
nodeStatus === 'ok' ? '#3ba55d' :
nodeStatus === 'error' ? '#f4212e' :
'#f0b35a';
const statusLabel =
nodeStatus === 'ok' ? 'Connected' :
nodeStatus === 'error' ? 'Unreachable' :
'Checking…';
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<Header
title="Settings"
divider={false}
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<ScrollView
contentContainerStyle={{ paddingBottom: 120 }}
showsVerticalScrollIndicator={false}
>
{/* ── Profile ── */}
<SectionLabel>Profile</SectionLabel>
<Card>
<View
style={{
flexDirection: 'row',
alignItems: 'center',
padding: 14,
gap: 14,
}}
>
<Avatar
name={username ?? keyFile?.pub_key ?? '?'}
address={keyFile?.pub_key}
size={56}
/>
<View style={{ flex: 1, minWidth: 0 }}>
{username ? (
<View style={{ flexDirection: 'row', alignItems: 'center' }}>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 17 }}>
@{username}
</Text>
<Ionicons name="checkmark-circle" size={15} color="#1d9bf0" style={{ marginLeft: 4 }} />
</View>
) : (
<Text style={{ color: '#8b8b8b', fontSize: 14 }}>No username yet</Text>
)}
<Text
style={{
color: '#8b8b8b',
fontSize: 11,
marginTop: 2,
fontFamily: 'monospace',
}}
numberOfLines={1}
>
{keyFile ? shortAddr(keyFile.pub_key, 10) : '—'}
</Text>
</View>
</View>
<Row
icon={copied ? 'checkmark-outline' : 'copy-outline'}
label={copied ? 'Copied!' : 'Copy address'}
onPress={copyAddress}
right={<View style={{ width: 16 }} />}
/>
</Card>
{/* ── Username (только если ещё нет) ── */}
{!username && (
<>
<SectionLabel>Username</SectionLabel>
<Card>
<View style={{ padding: 14 }}>
<Text style={{ color: '#ffffff', fontWeight: '600', fontSize: 14, marginBottom: 4 }}>
Buy a username
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 12, lineHeight: 17, marginBottom: 10 }}>
Flat {formatAmount(USERNAME_REGISTRATION_FEE)} fee + {formatAmount(1000)} network.
Only a-z, 0-9, _, -. Starts with a letter.
</Text>
<View
style={{
flexDirection: 'row',
alignItems: 'center',
backgroundColor: '#000000',
borderRadius: 10,
paddingHorizontal: 12,
paddingVertical: 4,
borderWidth: 1,
borderColor: nameError ? '#f4212e' : '#1f1f1f',
}}
>
<Text style={{ color: '#5a5a5a', fontSize: 15, marginRight: 2 }}>@</Text>
<TextInput
value={nameInput}
onChangeText={onNameChange}
placeholder="alice"
placeholderTextColor="#5a5a5a"
autoCapitalize="none"
autoCorrect={false}
maxLength={MAX_USERNAME_LENGTH}
style={{
flex: 1,
color: '#ffffff',
fontSize: 15,
paddingVertical: 8,
}}
/>
</View>
{nameError && (
<Text style={{ color: '#f4212e', fontSize: 12, marginTop: 6 }}>
{nameError}
</Text>
)}
<PrimaryButton
onPress={registerUsername}
disabled={registering || !nameIsValid || !settings.contractId}
loading={registering}
label={`Buy @${nameInput || 'username'}`}
style={{ marginTop: 12 }}
/>
</View>
</Card>
</>
)}
{/* ── Node ── */}
<SectionLabel>Node</SectionLabel>
<Card>
<View style={{ padding: 14, gap: 10 }}>
<LabeledInput
label="Node URL"
value={nodeUrl}
onChangeText={setNodeUrlInput}
placeholder="http://localhost:8080"
/>
<LabeledInput
label="Username contract"
value={contractId}
onChangeText={setContractId}
placeholder="auto-discovered via /api/well-known-contracts"
monospace
/>
<PrimaryButton
onPress={saveNode}
disabled={savingNode}
loading={savingNode}
label="Save"
style={{ marginTop: 4 }}
/>
</View>
<Row
icon="pulse-outline"
label="Status"
value={
nodeStatus === 'ok'
? `${statusLabel} · ${blockCount ?? 0} blocks · ${peerCount ?? 0} peers`
: statusLabel
}
right={
<View
style={{ width: 8, height: 8, borderRadius: 4, backgroundColor: statusColor }}
/>
}
/>
</Card>
{/* ── Account ── */}
<SectionLabel>Account</SectionLabel>
<Card>
<Row
icon="download-outline"
label="Export key"
value="Save your private key as JSON"
onPress={exportKey}
first
/>
<Row
icon="trash-outline"
label="Delete account"
value="Remove key from this device"
onPress={logout}
danger
/>
</Card>
</ScrollView>
</View>
);
}
// ─── Form primitives ──────────────────────────────────────────────
function LabeledInput({
label, value, onChangeText, placeholder, monospace,
}: {
label: string;
value: string;
onChangeText: (v: string) => void;
placeholder?: string;
monospace?: boolean;
}) {
return (
<View>
<Text style={{ color: '#8b8b8b', fontSize: 12, marginBottom: 6 }}>{label}</Text>
<TextInput
value={value}
onChangeText={onChangeText}
placeholder={placeholder}
placeholderTextColor="#5a5a5a"
autoCapitalize="none"
autoCorrect={false}
style={{
color: '#ffffff',
fontSize: monospace ? 13 : 14,
fontFamily: monospace ? 'monospace' : undefined,
backgroundColor: '#000000',
borderRadius: 10,
paddingHorizontal: 12,
paddingVertical: 10,
borderWidth: 1,
borderColor: '#1f1f1f',
}}
/>
</View>
);
}
function PrimaryButton({
label, onPress, disabled, loading, style,
}: {
label: string;
onPress: () => void;
disabled?: boolean;
loading?: boolean;
style?: object;
}) {
return (
<Pressable onPress={onPress} disabled={disabled} style={style}>
{({ pressed }) => (
<View
style={{
alignItems: 'center',
justifyContent: 'center',
paddingVertical: 11,
borderRadius: 999,
backgroundColor: disabled
? '#1a1a1a'
: pressed ? '#1a8cd8' : '#1d9bf0',
}}
>
{loading ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text
style={{
color: disabled ? '#5a5a5a' : '#ffffff',
fontWeight: '700',
fontSize: 14,
}}
>
{label}
</Text>
)}
</View>
)}
</Pressable>
);
}

View File

@@ -0,0 +1,652 @@
/**
* Wallet screen — dark minimalist.
*
* Сетка:
* [TabHeader: profile-avatar | Wallet | refresh]
* [Balance hero card — gradient-ish dark card, big number, address chip, action row]
* [SectionLabel: Recent transactions]
* [TX list card — tiles per tx, in/out coloring, relative time]
* [Send modal: slide-up sheet с полями recipient/amount/fee + total preview]
*
* Все кнопки и инпуты — те же плоские стили, что на других экранах.
* Никаких style-функций у Pressable'ов с layout-пропсами (избегаем web
* layout-баги, которые мы уже ловили на ChatTile/MessageBubble).
*/
import React, { useState, useCallback, useEffect, useMemo } from 'react';
import {
View, Text, ScrollView, Modal, Alert, RefreshControl, Pressable, TextInput, ActivityIndicator,
} from 'react-native';
import * as Clipboard from 'expo-clipboard';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { useBalance } from '@/hooks/useBalance';
import { buildTransferTx, submitTx, getTxHistory, getBalance, humanizeTxError } from '@/lib/api';
import { shortAddr } from '@/lib/crypto';
import { formatAmount, relativeTime } from '@/lib/utils';
import type { TxRecord } from '@/lib/types';
import { TabHeader } from '@/components/TabHeader';
import { IconButton } from '@/components/IconButton';
// ─── TX meta (icon + label + tone) ─────────────────────────────────
type IoniconName = React.ComponentProps<typeof Ionicons>['name'];
interface TxMeta {
label: string;
icon: IoniconName;
tone: 'in' | 'out' | 'neutral';
}
const TX_META: Record<string, TxMeta> = {
TRANSFER: { label: 'Transfer', icon: 'swap-horizontal-outline', tone: 'neutral' },
CONTACT_REQUEST: { label: 'Contact request', icon: 'person-add-outline', tone: 'out' },
ACCEPT_CONTACT: { label: 'Contact accepted', icon: 'person-outline', tone: 'in' },
BLOCK_CONTACT: { label: 'Block', icon: 'ban-outline', tone: 'out' },
DEPLOY_CONTRACT: { label: 'Deploy', icon: 'document-text-outline', tone: 'out' },
CALL_CONTRACT: { label: 'Call contract', icon: 'flash-outline', tone: 'out' },
STAKE: { label: 'Stake', icon: 'lock-closed-outline', tone: 'out' },
UNSTAKE: { label: 'Unstake', icon: 'lock-open-outline', tone: 'in' },
REGISTER_KEY: { label: 'Register key', icon: 'key-outline', tone: 'neutral' },
BLOCK_REWARD: { label: 'Block reward', icon: 'diamond-outline', tone: 'in' },
};
function txMeta(type: string): TxMeta {
return TX_META[type] ?? { label: type.replace(/_/g, ' '), icon: 'ellipse-outline', tone: 'neutral' };
}
const toneColor = (tone: TxMeta['tone']): string =>
tone === 'in' ? '#3ba55d' : tone === 'out' ? '#f4212e' : '#e7e7e7';
// ─── Main ──────────────────────────────────────────────────────────
export default function WalletScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const balance = useStore(s => s.balance);
const setBalance = useStore(s => s.setBalance);
useBalance();
const [txHistory, setTxHistory] = useState<TxRecord[]>([]);
const [refreshing, setRefreshing] = useState(false);
const [copied, setCopied] = useState(false);
const [showSend, setShowSend] = useState(false);
const load = useCallback(async () => {
if (!keyFile) return;
setRefreshing(true);
try {
const [hist, bal] = await Promise.all([
getTxHistory(keyFile.pub_key),
getBalance(keyFile.pub_key),
]);
setTxHistory(hist);
setBalance(bal);
} catch { /* ignore — WS/HTTP retries sample */ }
setRefreshing(false);
}, [keyFile, setBalance]);
useEffect(() => { load(); }, [load]);
const copyAddress = async () => {
if (!keyFile) return;
await Clipboard.setStringAsync(keyFile.pub_key);
setCopied(true);
setTimeout(() => setCopied(false), 1800);
};
const mine = keyFile?.pub_key ?? '';
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<TabHeader
title="Wallet"
right={<IconButton icon="refresh-outline" size={36} onPress={load} />}
/>
<ScrollView
refreshControl={<RefreshControl refreshing={refreshing} onRefresh={load} tintColor="#1d9bf0" />}
contentContainerStyle={{ paddingBottom: 120 }}
showsVerticalScrollIndicator={false}
>
<BalanceHero
balance={balance}
address={mine}
copied={copied}
onCopy={copyAddress}
onSend={() => setShowSend(true)}
/>
<SectionLabel>Recent transactions</SectionLabel>
{txHistory.length === 0 ? (
<EmptyTx />
) : (
<View
style={{
marginHorizontal: 14,
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
overflow: 'hidden',
}}
>
{txHistory.map((tx, i) => (
<TxTile
key={tx.hash + i}
tx={tx}
first={i === 0}
mine={mine}
/>
))}
</View>
)}
</ScrollView>
<SendModal
visible={showSend}
onClose={() => setShowSend(false)}
balance={balance}
keyFile={keyFile}
onSent={() => {
setShowSend(false);
setTimeout(load, 1200);
}}
/>
</View>
);
}
// ─── Hero card ─────────────────────────────────────────────────────
function BalanceHero({
balance, address, copied, onCopy, onSend,
}: {
balance: number;
address: string;
copied: boolean;
onCopy: () => void;
onSend: () => void;
}) {
return (
<View
style={{
marginHorizontal: 14,
marginTop: 10,
padding: 20,
borderRadius: 18,
backgroundColor: '#0a0a0a',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
<Text style={{ color: '#8b8b8b', fontSize: 12, letterSpacing: 0.3 }}>
Balance
</Text>
<Text
style={{
color: '#ffffff',
fontSize: 36,
fontWeight: '800',
letterSpacing: -0.8,
marginTop: 4,
}}
>
{formatAmount(balance)}
</Text>
{/* Address chip */}
<Pressable onPress={onCopy} style={{ marginTop: 14 }}>
<View
style={{
flexDirection: 'row',
alignItems: 'center',
backgroundColor: '#111111',
borderRadius: 10,
paddingHorizontal: 12,
paddingVertical: 9,
}}
>
<Ionicons
name={copied ? 'checkmark-outline' : 'copy-outline'}
size={14}
color={copied ? '#3ba55d' : '#8b8b8b'}
/>
<Text
style={{
color: copied ? '#3ba55d' : '#8b8b8b',
fontSize: 12,
marginLeft: 6,
fontFamily: 'monospace',
flex: 1,
}}
numberOfLines={1}
>
{copied ? 'Copied!' : shortAddr(address, 10)}
</Text>
</View>
</Pressable>
{/* Actions */}
<View style={{ flexDirection: 'row', gap: 10, marginTop: 14 }}>
<HeroButton icon="paper-plane-outline" label="Send" primary onPress={onSend} />
<HeroButton icon="download-outline" label="Receive" onPress={onCopy} />
</View>
</View>
);
}
function HeroButton({
icon, label, primary, onPress,
}: {
icon: IoniconName;
label: string;
primary?: boolean;
onPress: () => void;
}) {
const base = {
flex: 1,
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
paddingVertical: 11,
borderRadius: 999,
gap: 6,
} as const;
return (
<Pressable onPress={onPress} style={{ flex: 1 }}>
{({ pressed }) => (
<View
style={{
...base,
backgroundColor: primary
? (pressed ? '#1a8cd8' : '#1d9bf0')
: (pressed ? '#202020' : '#111111'),
borderWidth: primary ? 0 : 1,
borderColor: '#1f1f1f',
}}
>
<Ionicons name={icon} size={15} color="#ffffff" />
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}>
{label}
</Text>
</View>
)}
</Pressable>
);
}
// ─── Section label ────────────────────────────────────────────────
function SectionLabel({ children }: { children: string }) {
return (
<Text
style={{
color: '#5a5a5a',
fontSize: 11,
fontWeight: '700',
letterSpacing: 1.2,
textTransform: 'uppercase',
marginTop: 22,
marginBottom: 8,
paddingHorizontal: 14,
}}
>
{children}
</Text>
);
}
// ─── Empty state ──────────────────────────────────────────────────
function EmptyTx() {
return (
<View
style={{
marginHorizontal: 14,
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1,
borderColor: '#1f1f1f',
paddingVertical: 36,
alignItems: 'center',
}}
>
<Ionicons name="receipt-outline" size={32} color="#5a5a5a" />
<Text style={{ color: '#8b8b8b', fontSize: 13, marginTop: 8 }}>
No transactions yet
</Text>
<Text style={{ color: '#5a5a5a', fontSize: 11, marginTop: 2 }}>
Pull to refresh
</Text>
</View>
);
}
// ─── TX tile ──────────────────────────────────────────────────────
//
// Pressable с ВНЕШНИМ плоским style (background через static object),
// внутренняя View handles row-layout. Избегаем web-баг со style-функциями
// Pressable'а.
function TxTile({
tx, first, mine,
}: {
tx: TxRecord;
first: boolean;
mine: string;
}) {
const m = txMeta(tx.type);
const isMineTx = tx.from === mine;
const amt = tx.amount ?? 0;
const sign = m.tone === 'in' ? '+' : m.tone === 'out' ? '' : '';
const color = toneColor(m.tone);
return (
<Pressable>
<View
style={{
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 14,
paddingVertical: 12,
borderTopWidth: first ? 0 : 1,
borderTopColor: '#1f1f1f',
}}
>
<View
style={{
width: 36,
height: 36,
borderRadius: 10,
backgroundColor: '#111111',
alignItems: 'center',
justifyContent: 'center',
marginRight: 12,
}}
>
<Ionicons name={m.icon} size={16} color="#e7e7e7" />
</View>
<View style={{ flex: 1, minWidth: 0 }}>
<Text style={{ color: '#ffffff', fontSize: 14, fontWeight: '600' }}>
{m.label}
</Text>
<Text
style={{
color: '#8b8b8b',
fontSize: 11,
marginTop: 1,
fontFamily: 'monospace',
}}
numberOfLines={1}
>
{tx.type === 'TRANSFER'
? (isMineTx ? `${shortAddr(tx.to ?? '', 5)}` : `${shortAddr(tx.from, 5)}`)
: shortAddr(tx.hash, 8)}
{' · '}
{relativeTime(tx.timestamp)}
</Text>
</View>
{amt > 0 && (
<Text style={{ color, fontWeight: '700', fontSize: 14 }}>
{sign}{formatAmount(amt)}
</Text>
)}
</View>
</Pressable>
);
}
// ─── Send modal ───────────────────────────────────────────────────
function SendModal({
visible, onClose, balance, keyFile, onSent,
}: {
visible: boolean;
onClose: () => void;
balance: number;
keyFile: { pub_key: string; priv_key: string } | null;
onSent: () => void;
}) {
const insets = useSafeAreaInsets();
const [to, setTo] = useState('');
const [amount, setAmount] = useState('');
const [fee, setFee] = useState('1000');
const [sending, setSending] = useState(false);
useEffect(() => {
if (!visible) {
// reset при закрытии
setTo(''); setAmount(''); setFee('1000'); setSending(false);
}
}, [visible]);
const amt = parseInt(amount || '0', 10) || 0;
const f = parseInt(fee || '0', 10) || 0;
const total = amt + f;
const ok = !!to.trim() && amt > 0 && total <= balance;
const send = async () => {
if (!keyFile) return;
if (!ok) {
Alert.alert('Check inputs', total > balance
? `Need ${formatAmount(total)}, have ${formatAmount(balance)}.`
: 'Recipient and amount are required.');
return;
}
setSending(true);
try {
const tx = buildTransferTx({
from: keyFile.pub_key,
to: to.trim(),
amount: amt,
fee: f,
privKey: keyFile.priv_key,
});
await submitTx(tx);
onSent();
} catch (e: any) {
Alert.alert('Send failed', humanizeTxError(e));
} finally {
setSending(false);
}
};
return (
<Modal visible={visible} animationType="slide" transparent onRequestClose={onClose}>
<Pressable
onPress={onClose}
style={{ flex: 1, backgroundColor: 'rgba(0,0,0,0.82)', justifyContent: 'flex-end' }}
>
<Pressable
onPress={() => { /* block bubble-close */ }}
style={{
backgroundColor: '#0a0a0a',
borderTopLeftRadius: 20,
borderTopRightRadius: 20,
paddingTop: 10,
paddingBottom: Math.max(insets.bottom, 14) + 12,
paddingHorizontal: 14,
borderTopWidth: 1,
borderColor: '#1f1f1f',
}}
>
<View
style={{
alignSelf: 'center',
width: 40, height: 4, borderRadius: 2,
backgroundColor: '#2a2a2a',
marginBottom: 14,
}}
/>
<Text style={{ color: '#ffffff', fontSize: 18, fontWeight: '700', marginBottom: 14 }}>
Send tokens
</Text>
<Field label="Recipient address">
<TextInput
value={to}
onChangeText={setTo}
placeholder="DC… or pub_key hex"
placeholderTextColor="#5a5a5a"
autoCapitalize="none"
autoCorrect={false}
style={{
color: '#ffffff',
fontSize: 13,
fontFamily: 'monospace',
paddingVertical: 0,
}}
/>
</Field>
<View style={{ flexDirection: 'row', gap: 10, marginTop: 10 }}>
<View style={{ flex: 2 }}>
<Field label="Amount (µT)">
<TextInput
value={amount}
onChangeText={setAmount}
placeholder="1000"
placeholderTextColor="#5a5a5a"
keyboardType="numeric"
style={{ color: '#ffffff', fontSize: 14, paddingVertical: 0 }}
/>
</Field>
</View>
<View style={{ flex: 1 }}>
<Field label="Fee (µT)">
<TextInput
value={fee}
onChangeText={setFee}
placeholder="1000"
placeholderTextColor="#5a5a5a"
keyboardType="numeric"
style={{ color: '#ffffff', fontSize: 14, paddingVertical: 0 }}
/>
</Field>
</View>
</View>
{/* Summary */}
<View
style={{
marginTop: 12,
padding: 12,
borderRadius: 10,
backgroundColor: '#111111',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
<SummaryRow label="Amount" value={formatAmount(amt)} />
<SummaryRow label="Fee" value={formatAmount(f)} muted />
<View style={{ height: 1, backgroundColor: '#1f1f1f', marginVertical: 6 }} />
<SummaryRow
label="Total"
value={formatAmount(total)}
accent={total > balance ? '#f4212e' : '#ffffff'}
/>
</View>
<View style={{ flexDirection: 'row', gap: 10, marginTop: 16 }}>
<Pressable onPress={onClose} style={{ flex: 1 }}>
{({ pressed }) => (
<View
style={{
alignItems: 'center',
justifyContent: 'center',
paddingVertical: 12,
borderRadius: 999,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
<Text style={{ color: '#ffffff', fontWeight: '600', fontSize: 14 }}>
Cancel
</Text>
</View>
)}
</Pressable>
<Pressable onPress={send} disabled={!ok || sending} style={{ flex: 2 }}>
{({ pressed }) => (
<View
style={{
alignItems: 'center',
justifyContent: 'center',
paddingVertical: 12,
borderRadius: 999,
backgroundColor: !ok || sending
? '#1a1a1a'
: pressed ? '#1a8cd8' : '#1d9bf0',
}}
>
{sending ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}>
Send
</Text>
)}
</View>
)}
</Pressable>
</View>
</Pressable>
</Pressable>
</Modal>
);
}
function Field({ label, children }: { label: string; children: React.ReactNode }) {
return (
<View>
<Text style={{ color: '#8b8b8b', fontSize: 12, marginBottom: 6 }}>{label}</Text>
<View
style={{
backgroundColor: '#000000',
borderRadius: 10,
paddingHorizontal: 12,
paddingVertical: 10,
borderWidth: 1,
borderColor: '#1f1f1f',
}}
>
{children}
</View>
</View>
);
}
function SummaryRow({
label, value, muted, accent,
}: {
label: string;
value: string;
muted?: boolean;
accent?: string;
}) {
return (
<View
style={{
flexDirection: 'row',
justifyContent: 'space-between',
paddingVertical: 3,
}}
>
<Text style={{ color: '#8b8b8b', fontSize: 12 }}>{label}</Text>
<Text
style={{
color: accent ?? (muted ? '#8b8b8b' : '#ffffff'),
fontSize: 13,
fontWeight: muted ? '500' : '700',
}}
>
{value}
</Text>
</View>
);
}

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@@ -0,0 +1,139 @@
/**
* Create Account — dark minimalist.
* Генерирует Ed25519 + X25519 keypair локально, сохраняет в SecureStore.
*/
import React, { useState } from 'react';
import { View, Text, ScrollView, Alert, Pressable, ActivityIndicator } from 'react-native';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { generateKeyFile } from '@/lib/crypto';
import { saveKeyFile } from '@/lib/storage';
import { useStore } from '@/lib/store';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
export default function CreateAccountScreen() {
const insets = useSafeAreaInsets();
const setKeyFile = useStore(s => s.setKeyFile);
const [loading, setLoading] = useState(false);
async function handleCreate() {
setLoading(true);
try {
const kf = generateKeyFile();
await saveKeyFile(kf);
setKeyFile(kf);
router.replace('/(auth)/created' as never);
} catch (e: any) {
Alert.alert('Error', e?.message ?? 'Unknown error');
} finally {
setLoading(false);
}
}
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<Header
title="Create account"
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<ScrollView contentContainerStyle={{ padding: 14, paddingBottom: 40 }}>
<Text style={{ color: '#ffffff', fontSize: 17, fontWeight: '700', marginBottom: 4 }}>
A new identity is created locally
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, lineHeight: 19, marginBottom: 18 }}>
Your private key never leaves this device. The app encrypts it in the
platform secure store.
</Text>
<View
style={{
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
overflow: 'hidden',
}}
>
<InfoRow icon="key-outline" label="Ed25519 signing key" desc="Your on-chain address and tx signer" first />
<InfoRow icon="lock-closed-outline" label="X25519 encryption key" desc="End-to-end encryption for messages" />
<InfoRow icon="phone-portrait-outline" label="Stored on device" desc="Encrypted in SecureStore / Keystore" />
</View>
<View
style={{
marginTop: 16,
padding: 12,
borderRadius: 12,
backgroundColor: 'rgba(240,179,90,0.08)',
borderWidth: 1, borderColor: 'rgba(240,179,90,0.25)',
}}
>
<View style={{ flexDirection: 'row', alignItems: 'center', marginBottom: 4 }}>
<Ionicons name="warning-outline" size={14} color="#f0b35a" style={{ marginRight: 6 }} />
<Text style={{ color: '#f0b35a', fontSize: 13, fontWeight: '700' }}>Important</Text>
</View>
<Text style={{ color: '#d0a26a', fontSize: 12, lineHeight: 17 }}>
Export and backup your key file right after creation. If you lose
it there is no recovery blockchain has no password reset.
</Text>
</View>
<Pressable
onPress={handleCreate}
disabled={loading}
style={({ pressed }) => ({
alignItems: 'center', justifyContent: 'center',
paddingVertical: 13, borderRadius: 999, marginTop: 20,
backgroundColor: loading ? '#1a1a1a' : pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
{loading ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 15 }}>
Generate keys & continue
</Text>
)}
</Pressable>
</ScrollView>
</View>
);
}
function InfoRow({
icon, label, desc, first,
}: {
icon: React.ComponentProps<typeof Ionicons>['name'];
label: string;
desc: string;
first?: boolean;
}) {
return (
<View
style={{
flexDirection: 'row',
alignItems: 'center',
padding: 14,
gap: 12,
borderTopWidth: first ? 0 : 1,
borderTopColor: '#1f1f1f',
}}
>
<View
style={{
width: 32, height: 32, borderRadius: 8,
backgroundColor: '#111111',
alignItems: 'center', justifyContent: 'center',
}}
>
<Ionicons name={icon} size={16} color="#ffffff" />
</View>
<View style={{ flex: 1 }}>
<Text style={{ color: '#ffffff', fontSize: 14, fontWeight: '600' }}>{label}</Text>
<Text style={{ color: '#8b8b8b', fontSize: 12, marginTop: 2 }}>{desc}</Text>
</View>
</View>
);
}

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@@ -0,0 +1,196 @@
/**
* Account Created confirmation screen — dark minimalist.
* Показывает адрес + x25519, кнопки copy и export (share) key.json.
*/
import React, { useState } from 'react';
import { View, Text, ScrollView, Alert, Pressable, Share } from 'react-native';
import { router } from 'expo-router';
import * as Clipboard from 'expo-clipboard';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { Header } from '@/components/Header';
export default function AccountCreatedScreen() {
const insets = useSafeAreaInsets();
const keyFile = useStore(s => s.keyFile);
const [copied, setCopied] = useState<string | null>(null);
if (!keyFile) {
router.replace('/');
return null;
}
async function copy(value: string, label: string) {
await Clipboard.setStringAsync(value);
setCopied(label);
setTimeout(() => setCopied(null), 1800);
}
async function exportKey() {
try {
const json = JSON.stringify(keyFile, null, 2);
// Используем плоский Share API — без записи во временный файл.
// Получатель (mail, notes, etc.) получит текст целиком; юзер сам
// сохраняет как .json если нужно.
await Share.share({
message: json,
title: 'DChain key file',
});
} catch (e: any) {
Alert.alert('Export failed', e?.message ?? 'Unknown error');
}
}
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<Header title="Account created" />
<ScrollView contentContainerStyle={{ padding: 14, paddingBottom: 40 }}>
{/* Success badge */}
<View style={{ alignItems: 'center', marginTop: 10, marginBottom: 18 }}>
<View
style={{
width: 64, height: 64, borderRadius: 32,
backgroundColor: 'rgba(59,165,93,0.15)',
alignItems: 'center', justifyContent: 'center',
marginBottom: 10,
}}
>
<Ionicons name="checkmark" size={32} color="#3ba55d" />
</View>
<Text style={{ color: '#ffffff', fontSize: 20, fontWeight: '800' }}>
Welcome aboard
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, marginTop: 6, textAlign: 'center' }}>
Keys have been generated and stored securely.
</Text>
</View>
{/* Address */}
<KeyCard
title="Your address (Ed25519)"
value={keyFile.pub_key}
copied={copied === 'address'}
onCopy={() => copy(keyFile.pub_key, 'address')}
/>
{/* X25519 */}
<View style={{ height: 10 }} />
<KeyCard
title="Encryption key (X25519)"
value={keyFile.x25519_pub}
copied={copied === 'x25519'}
onCopy={() => copy(keyFile.x25519_pub, 'x25519')}
/>
{/* Backup */}
<View
style={{
marginTop: 16,
padding: 14,
borderRadius: 14,
backgroundColor: 'rgba(240,179,90,0.08)',
borderWidth: 1, borderColor: 'rgba(240,179,90,0.25)',
}}
>
<View style={{ flexDirection: 'row', alignItems: 'center', marginBottom: 6 }}>
<Ionicons name="lock-closed-outline" size={14} color="#f0b35a" />
<Text style={{ color: '#f0b35a', fontSize: 13, fontWeight: '700', marginLeft: 6 }}>
Backup your key file
</Text>
</View>
<Text style={{ color: '#d0a26a', fontSize: 12, lineHeight: 17, marginBottom: 10 }}>
Export it now and store somewhere safe password managers, cold
storage, printed paper. If you lose it, you lose the account.
</Text>
<Pressable
onPress={exportKey}
style={({ pressed }) => ({
alignItems: 'center', justifyContent: 'center',
paddingVertical: 10, borderRadius: 999,
backgroundColor: pressed ? '#2a1f0f' : '#1a1409',
borderWidth: 1, borderColor: 'rgba(240,179,90,0.35)',
})}
>
<Text style={{ color: '#f0b35a', fontWeight: '700', fontSize: 14 }}>
Export key.json
</Text>
</Pressable>
</View>
{/* Continue */}
<Pressable
onPress={() => router.replace('/(app)/chats' as never)}
style={({ pressed }) => ({
alignItems: 'center', justifyContent: 'center',
paddingVertical: 14, borderRadius: 999, marginTop: 20,
backgroundColor: pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 15 }}>
Open messenger
</Text>
</Pressable>
</ScrollView>
</View>
);
}
function KeyCard({
title, value, copied, onCopy,
}: {
title: string;
value: string;
copied: boolean;
onCopy: () => void;
}) {
return (
<View
style={{
borderRadius: 14,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
padding: 14,
}}
>
<Text
style={{
color: '#5a5a5a', fontSize: 11, fontWeight: '700',
textTransform: 'uppercase', letterSpacing: 1.2, marginBottom: 8,
}}
>
{title}
</Text>
<Text style={{ color: '#ffffff', fontSize: 12, fontFamily: 'monospace', lineHeight: 18 }}>
{value}
</Text>
<Pressable
onPress={onCopy}
style={({ pressed }) => ({
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
paddingVertical: 9, borderRadius: 999,
marginTop: 10,
backgroundColor: pressed ? '#1a1a1a' : '#111111',
borderWidth: 1, borderColor: '#1f1f1f',
})}
>
<Ionicons
name={copied ? 'checkmark' : 'copy-outline'}
size={14}
color={copied ? '#3ba55d' : '#ffffff'}
/>
<Text
style={{
color: copied ? '#3ba55d' : '#ffffff',
fontSize: 13, fontWeight: '600', marginLeft: 6,
}}
>
{copied ? 'Copied' : 'Copy'}
</Text>
</Pressable>
</View>
);
}

View File

@@ -0,0 +1,230 @@
/**
* Import existing key — dark minimalist.
* Два пути:
* 1. Paste JSON напрямую в textarea.
* 2. Pick файл .json через DocumentPicker.
*/
import React, { useState } from 'react';
import {
View, Text, ScrollView, TextInput, Alert, Pressable, ActivityIndicator,
} from 'react-native';
import { router } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import * as DocumentPicker from 'expo-document-picker';
import * as Clipboard from 'expo-clipboard';
import { saveKeyFile } from '@/lib/storage';
import { useStore } from '@/lib/store';
import type { KeyFile } from '@/lib/types';
import { Header } from '@/components/Header';
import { IconButton } from '@/components/IconButton';
type Tab = 'paste' | 'file';
const REQUIRED_FIELDS: (keyof KeyFile)[] = ['pub_key', 'priv_key', 'x25519_pub', 'x25519_priv'];
function validateKeyFile(raw: string): KeyFile {
let parsed: any;
try { parsed = JSON.parse(raw.trim()); }
catch { throw new Error('Invalid JSON — check that you copied the full key file.'); }
for (const field of REQUIRED_FIELDS) {
if (!parsed[field] || typeof parsed[field] !== 'string') {
throw new Error(`Missing or invalid field: "${field}"`);
}
if (!/^[0-9a-f]+$/i.test(parsed[field])) {
throw new Error(`Field "${field}" must be a hex string.`);
}
}
return parsed as KeyFile;
}
export default function ImportKeyScreen() {
const insets = useSafeAreaInsets();
const setKeyFile = useStore(s => s.setKeyFile);
const [tab, setTab] = useState<Tab>('paste');
const [jsonText, setJsonText] = useState('');
const [fileName, setFileName] = useState<string | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
async function applyKey(kf: KeyFile) {
setLoading(true); setError(null);
try {
await saveKeyFile(kf);
setKeyFile(kf);
router.replace('/(app)/chats' as never);
} catch (e: any) {
setError(e?.message ?? 'Import failed');
} finally {
setLoading(false);
}
}
async function handlePasteImport() {
setError(null);
const text = jsonText.trim();
if (!text) {
const clip = await Clipboard.getStringAsync();
if (clip) setJsonText(clip);
return;
}
try { await applyKey(validateKeyFile(text)); }
catch (e: any) { setError(e?.message ?? 'Import failed'); }
}
async function pickFile() {
setError(null);
try {
const result = await DocumentPicker.getDocumentAsync({
type: ['application/json', 'text/plain', '*/*'],
copyToCacheDirectory: true,
});
if (result.canceled) return;
const asset = result.assets[0];
setFileName(asset.name);
const response = await fetch(asset.uri);
const raw = await response.text();
await applyKey(validateKeyFile(raw));
} catch (e: any) {
setError(e?.message ?? 'Import failed');
}
}
return (
<View style={{ flex: 1, backgroundColor: '#000000', paddingTop: insets.top }}>
<Header
title="Import key"
left={<IconButton icon="chevron-back" size={36} onPress={() => router.back()} />}
/>
<ScrollView
contentContainerStyle={{ padding: 14, paddingBottom: 40 }}
keyboardShouldPersistTaps="handled"
keyboardDismissMode="on-drag"
>
<Text style={{ color: '#8b8b8b', fontSize: 13, lineHeight: 19, marginBottom: 14 }}>
Restore your account from a previously exported{' '}
<Text style={{ color: '#ffffff', fontWeight: '600' }}>dchain_key.json</Text>.
</Text>
{/* Tabs */}
<View
style={{
flexDirection: 'row',
padding: 4,
borderRadius: 999,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
marginBottom: 14,
}}
>
{(['paste', 'file'] as Tab[]).map(t => (
<Pressable
key={t}
onPress={() => setTab(t)}
style={{
flex: 1,
alignItems: 'center',
paddingVertical: 8,
borderRadius: 999,
backgroundColor: tab === t ? '#1d9bf0' : 'transparent',
}}
>
<Text
style={{
color: tab === t ? '#ffffff' : '#8b8b8b',
fontWeight: '700', fontSize: 13,
}}
>
{t === 'paste' ? 'Paste JSON' : 'Pick file'}
</Text>
</Pressable>
))}
</View>
{tab === 'paste' ? (
<>
<TextInput
value={jsonText}
onChangeText={setJsonText}
placeholder='{"pub_key":"…","priv_key":"…","x25519_pub":"…","x25519_priv":"…"}'
placeholderTextColor="#5a5a5a"
multiline
autoCapitalize="none"
autoCorrect={false}
style={{
color: '#ffffff',
fontSize: 12,
fontFamily: 'monospace',
backgroundColor: '#0a0a0a',
borderRadius: 12,
padding: 12,
minHeight: 180,
textAlignVertical: 'top',
borderWidth: 1, borderColor: '#1f1f1f',
}}
/>
<Pressable
onPress={handlePasteImport}
disabled={loading}
style={({ pressed }) => ({
flexDirection: 'row', alignItems: 'center', justifyContent: 'center',
paddingVertical: 12, borderRadius: 999, marginTop: 12,
backgroundColor: loading ? '#1a1a1a' : pressed ? '#1a8cd8' : '#1d9bf0',
})}
>
{loading ? (
<ActivityIndicator color="#ffffff" size="small" />
) : (
<Text style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}>
{jsonText.trim() ? 'Import key' : 'Paste from clipboard'}
</Text>
)}
</Pressable>
</>
) : (
<>
<Pressable
onPress={pickFile}
disabled={loading}
style={({ pressed }) => ({
alignItems: 'center', justifyContent: 'center',
paddingVertical: 40, borderRadius: 14,
backgroundColor: pressed ? '#111111' : '#0a0a0a',
borderWidth: 1, borderStyle: 'dashed', borderColor: '#1f1f1f',
})}
>
<Ionicons name="document-outline" size={32} color="#8b8b8b" />
<Text style={{ color: '#ffffff', fontSize: 14, fontWeight: '700', marginTop: 10 }}>
{fileName ?? 'Tap to pick key.json'}
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 12, marginTop: 4 }}>
Will auto-import on selection
</Text>
</Pressable>
{loading && (
<View style={{ alignItems: 'center', marginTop: 12 }}>
<ActivityIndicator color="#1d9bf0" />
</View>
)}
</>
)}
{error && (
<View
style={{
marginTop: 14,
padding: 12,
borderRadius: 10,
backgroundColor: 'rgba(244,33,46,0.08)',
borderWidth: 1, borderColor: 'rgba(244,33,46,0.25)',
}}
>
<Text style={{ color: '#f4212e', fontSize: 13 }}>{error}</Text>
</View>
)}
</ScrollView>
</View>
);
}

View File

@@ -0,0 +1,59 @@
import '../global.css';
import React, { useEffect } from 'react';
import { Stack } from 'expo-router';
import { StatusBar } from 'expo-status-bar';
import { View } from 'react-native';
import { SafeAreaProvider } from 'react-native-safe-area-context';
// GestureHandlerRootView обязателен для работы gesture-handler'а
// на всех страницах: Pan/LongPress/Tap жестах внутри чатов.
import { GestureHandlerRootView } from 'react-native-gesture-handler';
import { loadKeyFile, loadSettings } from '@/lib/storage';
import { setNodeUrl } from '@/lib/api';
import { useStore } from '@/lib/store';
export default function RootLayout() {
const setKeyFile = useStore(s => s.setKeyFile);
const setSettings = useStore(s => s.setSettings);
const booted = useStore(s => s.booted);
const setBooted = useStore(s => s.setBooted);
// Bootstrap: load key + settings from storage синхронно до первого
// render'а экранов. Пока `booted=false` мы рендерим чёрный экран —
// это убирает "мелькание" welcome'а при старте, когда ключи уже есть
// в AsyncStorage, но ещё не успели загрузиться в store.
useEffect(() => {
(async () => {
try {
const [kf, settings] = await Promise.all([loadKeyFile(), loadSettings()]);
if (kf) setKeyFile(kf);
setSettings(settings);
setNodeUrl(settings.nodeUrl);
} finally {
setBooted(true);
}
})();
}, []);
return (
<GestureHandlerRootView style={{ flex: 1 }}>
<SafeAreaProvider>
<View className="flex-1 bg-background">
<StatusBar style="light" />
{booted ? (
<Stack
screenOptions={{
headerShown: false,
contentStyle: { backgroundColor: '#000000' },
animation: 'slide_from_right',
}}
/>
) : (
// Пустой чёрный экран пока bootstrap идёт — без flicker'а.
<View style={{ flex: 1, backgroundColor: '#000000' }} />
)}
</View>
</SafeAreaProvider>
</GestureHandlerRootView>
);
}

519
client-app/app/index.tsx Normal file
View File

@@ -0,0 +1,519 @@
/**
* Onboarding — 3-слайдовый pager перед auth-экранами.
*
* Slide 1 — "Why DChain": value-proposition, 3 пункта с иконками.
* Slide 2 — "How it works": выбор релей-ноды (public paid vs свой node),
* ссылка на Gitea, + node URL input с live ping.
* Slide 3 — "Your keys": кнопки Create / Import.
*
* Если `keyFile` в store уже есть (bootstrap из RootLayout загрузил) —
* делаем <Redirect /> в (app), чтобы пользователь не видел вообще никакого
* мелькания onboarding'а. До загрузки `booted === false` root показывает
* чёрный экран.
*/
import React, { useEffect, useState, useCallback, useRef } from 'react';
import {
View, Text, TextInput, Pressable, ScrollView,
Alert, ActivityIndicator, Linking, Dimensions,
useWindowDimensions,
} from 'react-native';
import { router, Redirect } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { CameraView, useCameraPermissions } from 'expo-camera';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { useStore } from '@/lib/store';
import { saveSettings } from '@/lib/storage';
import { setNodeUrl, getNetStats } from '@/lib/api';
const { width: SCREEN_W } = Dimensions.get('window');
const GITEA_URL = 'https://git.vsecoder.vodka/vsecoder/dchain';
export default function WelcomeScreen() {
const insets = useSafeAreaInsets();
const { height: SCREEN_H } = useWindowDimensions();
const keyFile = useStore(s => s.keyFile);
const booted = useStore(s => s.booted);
const settings = useStore(s => s.settings);
const setSettings = useStore(s => s.setSettings);
const scrollRef = useRef<ScrollView>(null);
const [page, setPage] = useState(0);
const [nodeInput, setNodeInput] = useState('');
const [scanning, setScanning] = useState(false);
const [checking, setChecking] = useState(false);
const [nodeOk, setNodeOk] = useState<boolean | null>(null);
const [permission, requestPermission] = useCameraPermissions();
useEffect(() => { setNodeInput(settings.nodeUrl); }, [settings.nodeUrl]);
// ВСЕ hooks должны быть объявлены ДО любого early-return, иначе
// React на следующем render'е посчитает разное число hooks и выкинет
// "Rendered fewer hooks than expected". useCallback ниже — тоже hook.
const applyNode = useCallback(async (url: string) => {
const clean = url.trim().replace(/\/$/, '');
if (!clean) return;
setChecking(true);
setNodeOk(null);
setNodeUrl(clean);
try {
await getNetStats();
setNodeOk(true);
const next = { ...settings, nodeUrl: clean };
setSettings(next);
await saveSettings(next);
} catch {
setNodeOk(false);
} finally {
setChecking(false);
}
}, [settings, setSettings]);
const onQrScanned = useCallback(({ data }: { data: string }) => {
setScanning(false);
let url = data.trim();
try { const p = JSON.parse(url); if (p.nodeUrl) url = p.nodeUrl; } catch {}
setNodeInput(url);
applyNode(url);
}, [applyNode]);
// Bootstrap ещё не закончился — ничего не рендерим, RootLayout покажет
// чёрный экран (single source of truth для splash-state'а).
if (!booted) return null;
// Ключи уже загружены — сразу в main app, без мелькания onboarding'а.
if (keyFile) return <Redirect href={'/(app)/chats' as never} />;
const openScanner = async () => {
if (!permission?.granted) {
const { granted } = await requestPermission();
if (!granted) {
Alert.alert('Camera permission required', 'Allow camera access to scan QR codes.');
return;
}
}
setScanning(true);
};
const goToPage = (p: number) => {
scrollRef.current?.scrollTo({ x: p * SCREEN_W, animated: true });
setPage(p);
};
if (scanning) {
return (
<View style={{ flex: 1, backgroundColor: '#000' }}>
<CameraView
style={{ flex: 1 }}
facing="back"
barcodeScannerSettings={{ barcodeTypes: ['qr'] }}
onBarcodeScanned={onQrScanned}
/>
<View style={{
position: 'absolute', top: 0, left: 0, right: 0, bottom: 0,
alignItems: 'center', justifyContent: 'center',
}}>
<View style={{ width: 240, height: 240, borderWidth: 2, borderColor: '#fff', borderRadius: 16 }} />
<Text style={{ color: '#fff', marginTop: 20, opacity: 0.8 }}>
Point at a DChain node QR code
</Text>
</View>
<Pressable
onPress={() => setScanning(false)}
style={{
position: 'absolute', top: 56, left: 16,
backgroundColor: 'rgba(0,0,0,0.6)', borderRadius: 20,
paddingHorizontal: 16, paddingVertical: 8,
}}
>
<Text style={{ color: '#fff', fontSize: 16 }}> Cancel</Text>
</Pressable>
</View>
);
}
const statusColor = nodeOk === true ? '#3ba55d' : nodeOk === false ? '#f4212e' : '#8b8b8b';
// Высота footer'а (dots + inset) — резервируем под неё снизу каждого
// слайда, чтобы CTA-кнопки оказывались прямо над индикатором страниц,
// а не залезали под него.
const FOOTER_H = Math.max(insets.bottom, 20) + 8 + 12 + 7; // = padBottom + padTop + dot
const PAGE_H = SCREEN_H - FOOTER_H;
return (
<View style={{ flex: 1, backgroundColor: '#000000' }}>
<ScrollView
ref={scrollRef}
horizontal
pagingEnabled
showsHorizontalScrollIndicator={false}
onMomentumScrollEnd={e => {
const p = Math.round(e.nativeEvent.contentOffset.x / SCREEN_W);
setPage(p);
}}
style={{ flex: 1 }}
keyboardShouldPersistTaps="handled"
>
{/* ───────── Slide 1: Why DChain ───────── */}
<View style={{ width: SCREEN_W, height: PAGE_H }}>
<ScrollView
style={{ flex: 1 }}
contentContainerStyle={{
paddingHorizontal: 28,
paddingTop: insets.top + 60,
paddingBottom: 16,
}}
showsVerticalScrollIndicator={false}
>
<View style={{ alignItems: 'center', marginBottom: 36 }}>
<View
style={{
width: 88, height: 88, borderRadius: 24,
backgroundColor: '#1d9bf0',
alignItems: 'center', justifyContent: 'center',
marginBottom: 14,
}}
>
<Ionicons name="chatbubbles" size={44} color="#ffffff" />
</View>
<Text style={{ color: '#ffffff', fontSize: 30, fontWeight: '800', letterSpacing: -0.8 }}>
DChain
</Text>
<Text style={{ color: '#8b8b8b', textAlign: 'center', fontSize: 14, lineHeight: 20, marginTop: 6 }}>
A messenger that belongs to you.
</Text>
</View>
<FeatureRow
icon="lock-closed"
title="End-to-end encryption"
text="X25519 + NaCl на каждом сообщении. Даже релей-нода не может прочитать переписку."
/>
<FeatureRow
icon="key"
title="Твои ключи — твой аккаунт"
text="Без телефона, email и серверных паролей. Ключи никогда не покидают устройство."
/>
<FeatureRow
icon="git-network"
title="Decentralised"
text="Любой может поднять свою ноду. Нет единой точки отказа и цензуры."
/>
</ScrollView>
{/* CTA — прижата к правому нижнему краю. */}
<View style={{
flexDirection: 'row', justifyContent: 'flex-end',
paddingHorizontal: 24, paddingBottom: 8,
}}>
<CTAPrimary label="Продолжить" onPress={() => goToPage(1)} />
</View>
</View>
{/* ───────── Slide 2: How it works ───────── */}
<View style={{ width: SCREEN_W, height: PAGE_H }}>
<ScrollView
style={{ flex: 1 }}
contentContainerStyle={{
paddingHorizontal: 28,
paddingTop: insets.top + 40,
paddingBottom: 16,
}}
showsVerticalScrollIndicator={false}
keyboardShouldPersistTaps="handled"
>
<Text style={{ color: '#ffffff', fontSize: 24, fontWeight: '800', letterSpacing: -0.5 }}>
Как это работает
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 14, lineHeight: 20, marginTop: 8, marginBottom: 22 }}>
Сообщения проходят через релей-ноду в зашифрованном виде.
Выбери публичную или подключи свою.
</Text>
<OptionCard
icon="globe"
title="Публичная нода"
text="Удобно и быстро — нода хостится комьюнити, небольшая комиссия за каждое отправленное сообщение."
/>
<OptionCard
icon="hardware-chip"
title="Своя нода"
text="Максимальный контроль. Исходники открыты — подними на своём сервере за 5 минут."
/>
<Text style={{
color: '#5a5a5a', fontSize: 11, fontWeight: '700',
textTransform: 'uppercase', letterSpacing: 1.2, marginTop: 20, marginBottom: 8,
}}>
Node URL
</Text>
<View style={{ flexDirection: 'row', gap: 8 }}>
<View
style={{
flex: 1, flexDirection: 'row', alignItems: 'center',
backgroundColor: '#0a0a0a', borderWidth: 1, borderColor: '#1f1f1f',
borderRadius: 12, paddingHorizontal: 12, gap: 8,
}}
>
<View style={{ width: 7, height: 7, borderRadius: 3.5, backgroundColor: statusColor }} />
<TextInput
value={nodeInput}
onChangeText={t => { setNodeInput(t); setNodeOk(null); }}
onEndEditing={() => applyNode(nodeInput)}
onSubmitEditing={() => applyNode(nodeInput)}
placeholder="http://192.168.1.10:8080"
placeholderTextColor="#5a5a5a"
autoCapitalize="none"
autoCorrect={false}
keyboardType="url"
returnKeyType="done"
style={{ flex: 1, color: '#ffffff', fontSize: 14, paddingVertical: 12 }}
/>
{checking
? <ActivityIndicator size="small" color="#8b8b8b" />
: nodeOk === true
? <Ionicons name="checkmark" size={16} color="#3ba55d" />
: nodeOk === false
? <Ionicons name="close" size={16} color="#f4212e" />
: null}
</View>
<Pressable
onPress={openScanner}
style={({ pressed }) => ({
width: 48, alignItems: 'center', justifyContent: 'center',
backgroundColor: pressed ? '#1a1a1a' : '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
borderRadius: 12,
})}
>
<Ionicons name="qr-code-outline" size={22} color="#ffffff" />
</Pressable>
</View>
{nodeOk === false && (
<Text style={{ color: '#f4212e', fontSize: 12, marginTop: 6 }}>
Cannot reach node check URL and that the node is running
</Text>
)}
</ScrollView>
{/* CTA — прижата к правому нижнему краю. */}
<View style={{
flexDirection: 'row', justifyContent: 'flex-end', gap: 10,
paddingHorizontal: 24, paddingBottom: 8,
}}>
<CTASecondary
label="Исходники"
icon="logo-github"
onPress={() => Linking.openURL(GITEA_URL).catch(() => {})}
/>
<CTAPrimary label="Продолжить" onPress={() => goToPage(2)} />
</View>
</View>
{/* ───────── Slide 3: Your keys ───────── */}
<View style={{ width: SCREEN_W, height: PAGE_H }}>
<ScrollView
style={{ flex: 1 }}
contentContainerStyle={{
paddingHorizontal: 28,
paddingTop: insets.top + 60,
paddingBottom: 16,
}}
showsVerticalScrollIndicator={false}
>
<View style={{ alignItems: 'center', marginBottom: 36 }}>
<View
style={{
width: 88, height: 88, borderRadius: 24,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
alignItems: 'center', justifyContent: 'center',
marginBottom: 16,
}}
>
<Ionicons name="key" size={44} color="#1d9bf0" />
</View>
<Text style={{ color: '#ffffff', fontSize: 24, fontWeight: '800', letterSpacing: -0.5, textAlign: 'center' }}>
Твой аккаунт
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 14, lineHeight: 20, marginTop: 8, textAlign: 'center', maxWidth: 280 }}>
Создай новую пару ключей или импортируй существующую.
Ключи хранятся только на этом устройстве.
</Text>
</View>
</ScrollView>
{/* CTA — прижата к правому нижнему краю. */}
<View style={{
flexDirection: 'row', justifyContent: 'flex-end', gap: 10,
paddingHorizontal: 24, paddingBottom: 8,
}}>
<CTASecondary
label="Импорт"
onPress={() => router.push('/(auth)/import' as never)}
/>
<CTAPrimary
label="Создать аккаунт"
onPress={() => router.push('/(auth)/create' as never)}
/>
</View>
</View>
</ScrollView>
{/* Footer: dots-only pager indicator. CTA-кнопки теперь inline
на каждом слайде, чтобы выглядели как полноценные кнопки, а не
мелкий "Далее" в углу. */}
<View style={{
paddingHorizontal: 28,
paddingBottom: Math.max(insets.bottom, 20) + 8,
paddingTop: 12,
flexDirection: 'row',
alignItems: 'center', justifyContent: 'center',
gap: 6,
}}>
{[0, 1, 2].map(i => (
<Pressable
key={i}
onPress={() => goToPage(i)}
hitSlop={8}
style={{
width: page === i ? 22 : 7,
height: 7,
borderRadius: 3.5,
backgroundColor: page === i ? '#1d9bf0' : '#2a2a2a',
}}
/>
))}
</View>
</View>
);
}
// ───────── helper components ─────────
/**
* Primary CTA button — синий pill. Натуральная ширина (hugs content),
* `numberOfLines={1}` на лейбле чтобы текст не переносился. Фон
* применяется через inner View, а не напрямую на Pressable — это
* обходит редкие RN-баги, когда backgroundColor на Pressable не
* рендерится пока кнопка не нажата.
*/
function CTAPrimary({ label, onPress }: { label: string; onPress: () => void }) {
return (
<Pressable onPress={onPress} style={({ pressed }) => ({ opacity: pressed ? 0.85 : 1 })}>
<View
style={{
height: 46,
paddingHorizontal: 22,
borderRadius: 999,
backgroundColor: '#1d9bf0',
alignItems: 'center', justifyContent: 'center',
}}
>
<Text
numberOfLines={1}
style={{ color: '#ffffff', fontWeight: '700', fontSize: 15 }}
>
{label}
</Text>
</View>
</Pressable>
);
}
/** Secondary CTA — тёмный pill с border'ом, optional icon слева. */
function CTASecondary({
label, icon, onPress,
}: {
label: string;
icon?: React.ComponentProps<typeof Ionicons>['name'];
onPress: () => void;
}) {
return (
<Pressable onPress={onPress} style={({ pressed }) => ({ opacity: pressed ? 0.6 : 1 })}>
<View
style={{
height: 46,
paddingHorizontal: 18,
borderRadius: 999,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
flexDirection: 'row', alignItems: 'center', justifyContent: 'center',
gap: 6,
}}
>
{icon && <Ionicons name={icon} size={15} color="#ffffff" />}
<Text
numberOfLines={1}
style={{ color: '#ffffff', fontWeight: '700', fontSize: 14 }}
>
{label}
</Text>
</View>
</Pressable>
);
}
function FeatureRow({
icon, title, text,
}: { icon: React.ComponentProps<typeof Ionicons>['name']; title: string; text: string }) {
return (
<View style={{ flexDirection: 'row', marginBottom: 20, gap: 14 }}>
<View
style={{
width: 40, height: 40, borderRadius: 12,
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
alignItems: 'center', justifyContent: 'center',
}}
>
<Ionicons name={icon} size={20} color="#1d9bf0" />
</View>
<View style={{ flex: 1 }}>
<Text style={{ color: '#ffffff', fontSize: 15, fontWeight: '700', marginBottom: 3 }}>
{title}
</Text>
<Text style={{ color: '#8b8b8b', fontSize: 13, lineHeight: 19 }}>
{text}
</Text>
</View>
</View>
);
}
function OptionCard({
icon, title, text, actionLabel, onAction,
}: {
icon: React.ComponentProps<typeof Ionicons>['name'];
title: string;
text: string;
actionLabel?: string;
onAction?: () => void;
}) {
return (
<View
style={{
backgroundColor: '#0a0a0a',
borderWidth: 1, borderColor: '#1f1f1f',
borderRadius: 14, padding: 14, marginBottom: 10,
}}
>
<View style={{ flexDirection: 'row', alignItems: 'center', gap: 10, marginBottom: 6 }}>
<Ionicons name={icon} size={18} color="#1d9bf0" />
<Text style={{ color: '#ffffff', fontSize: 15, fontWeight: '700' }}>
{title}
</Text>
</View>
<Text style={{ color: '#8b8b8b', fontSize: 13, lineHeight: 19 }}>
{text}
</Text>
{actionLabel && onAction && (
<Pressable onPress={onAction} style={({ pressed }) => ({ opacity: pressed ? 0.6 : 1, marginTop: 8 })}>
<Text style={{ color: '#1d9bf0', fontSize: 13, fontWeight: '600' }}>
{actionLabel}
</Text>
</Pressable>
)}
</View>
);
}