7e7393e4f8
DChain single-node blockchain + React Native messenger client. Core: - PBFT consensus with multi-sig validator admission + equivocation slashing - BadgerDB + schema migration scaffold (CurrentSchemaVersion=0) - libp2p gossipsub (tx/v1, blocks/v1, relay/v1, version/v1) - Native Go contracts (username_registry) alongside WASM (wazero) - WebSocket gateway with topic-based fanout + Ed25519-nonce auth - Relay mailbox with NaCl envelope encryption (X25519 + Ed25519) - Prometheus /metrics, per-IP rate limit, body-size cap Deployment: - Single-node compose (deploy/single/) with Caddy TLS + optional Prometheus - 3-node dev compose (docker-compose.yml) with mocked internet topology - 3-validator prod compose (deploy/prod/) for federation - Auto-update from Gitea via /api/update-check + systemd timer - Build-time version injection (ldflags → node --version) - UI / Swagger toggle flags (DCHAIN_DISABLE_UI, DCHAIN_DISABLE_SWAGGER) Client (client-app/): - Expo / React Native / NativeWind - E2E NaCl encryption, typing indicator, contact requests - Auto-discovery of canonical contracts, chain_id aware, WS reconnect on node switch Documentation: - README.md, CHANGELOG.md, CONTEXT.md - deploy/single/README.md with 6 operator scenarios - deploy/UPDATE_STRATEGY.md with 4-layer forward-compat design - docs/contracts/*.md per contract
338 lines
13 KiB
TypeScript
338 lines
13 KiB
TypeScript
/**
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* Chat list — DChain messenger.
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* Safe-area aware, Ionicons, polished empty states, responsive press feedback.
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*/
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import React, { useCallback, useMemo, useEffect, useState } from 'react';
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import { View, Text, FlatList, Pressable, TouchableOpacity } from 'react-native';
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import { router } from 'expo-router';
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import { Ionicons } from '@expo/vector-icons';
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import { useSafeAreaInsets } from 'react-native-safe-area-context';
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import { useStore } from '@/lib/store';
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import { getWSClient } from '@/lib/ws';
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import { Avatar } from '@/components/ui/Avatar';
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import { formatTime, formatAmount } from '@/lib/utils';
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import type { Contact } from '@/lib/types';
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const MIN_FEE = 5000;
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// ─── Design tokens ────────────────────────────────────────────────────────────
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const C = {
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bg: '#0b1220',
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surface: '#111a2b',
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surface2: '#162035',
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surface3: '#1a2640',
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line: '#1c2840',
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text: '#e6edf9',
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muted: '#98a7c2',
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accent: '#7db5ff',
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ok: '#41c98a',
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warn: '#f0b35a',
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err: '#ff7a87',
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} as const;
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// ─── Helpers ──────────────────────────────────────────────────────────────────
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/** Truncate a message preview without breaking words too awkwardly. */
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function previewText(s: string, max = 60): string {
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if (s.length <= max) return s;
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return s.slice(0, max).trimEnd() + '…';
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}
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/** Short address helper matching the rest of the app. */
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function shortAddr(a: string, n = 6): string {
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if (!a) return '—';
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return a.length <= n * 2 + 1 ? a : `${a.slice(0, n)}…${a.slice(-n)}`;
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}
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export default function ChatsScreen() {
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const contacts = useStore(s => s.contacts);
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const messages = useStore(s => s.messages);
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const requests = useStore(s => s.requests);
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const balance = useStore(s => s.balance);
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const keyFile = useStore(s => s.keyFile);
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const insets = useSafeAreaInsets();
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// Real-time transport indicator (green dot when WS is live, yellow when
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// using HTTP polling fallback).
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const [wsLive, setWsLive] = useState(false);
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useEffect(() => {
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const ws = getWSClient();
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setWsLive(ws.isConnected());
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return ws.onConnectionChange(ok => setWsLive(ok));
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}, []);
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const hasBalance = balance >= MIN_FEE;
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const displayName = (c: Contact) =>
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c.username ? `@${c.username}` : c.alias ?? shortAddr(c.address, 5);
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const lastMsg = (c: Contact) => {
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const msgs = messages[c.address];
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return msgs?.length ? msgs[msgs.length - 1] : null;
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};
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// Sort contacts: most recent activity first.
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const sortedContacts = useMemo(() => {
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const withTime = contacts.map(c => {
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const last = lastMsg(c);
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return {
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contact: c,
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sortKey: last ? last.timestamp : (c.addedAt / 1000),
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};
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});
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return withTime
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.sort((a, b) => b.sortKey - a.sortKey)
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.map(x => x.contact);
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}, [contacts, messages]);
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const renderItem = useCallback(({ item: c, index }: { item: Contact; index: number }) => {
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const last = lastMsg(c);
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const name = displayName(c);
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const hasKey = !!c.x25519Pub;
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return (
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<Pressable
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onPress={() => router.push(`/(app)/chats/${c.address}`)}
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android_ripple={{ color: C.surface2 }}
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style={({ pressed }) => ({
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flexDirection: 'row', alignItems: 'center',
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paddingHorizontal: 14, paddingVertical: 12,
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borderTopWidth: index === 0 ? 0 : 1, borderTopColor: C.line,
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backgroundColor: pressed ? C.surface2 : 'transparent',
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})}
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>
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{/* Avatar with E2E status pip */}
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<View style={{ position: 'relative', marginRight: 12 }}>
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<Avatar name={name} size="md" />
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{hasKey && (
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<View style={{
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position: 'absolute', right: -2, bottom: -2,
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width: 14, height: 14, borderRadius: 7,
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backgroundColor: C.ok,
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borderWidth: 2, borderColor: C.bg,
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alignItems: 'center', justifyContent: 'center',
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}}>
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<Ionicons name="lock-closed" size={7} color="#0b1220" />
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</View>
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)}
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</View>
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{/* Text column */}
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<View style={{ flex: 1, minWidth: 0 }}>
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<View style={{ flexDirection: 'row', alignItems: 'center' }}>
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<Text
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style={{ color: C.text, fontWeight: '600', fontSize: 15, flex: 1 }}
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numberOfLines={1}
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>
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{name}
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</Text>
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{last && (
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<Text style={{ color: C.muted, fontSize: 11, marginLeft: 8 }}>
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{formatTime(last.timestamp)}
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</Text>
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)}
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</View>
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<View style={{ flexDirection: 'row', alignItems: 'center', marginTop: 2 }}>
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{last?.mine && (
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<Ionicons
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name="checkmark-done-outline"
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size={13}
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color={C.muted}
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style={{ marginRight: 4 }}
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/>
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)}
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<Text
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style={{ color: C.muted, fontSize: 13, flex: 1 }}
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numberOfLines={1}
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>
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{last ? previewText(last.text) : (hasKey ? 'Напишите первое сообщение' : 'Ожидание публикации ключа…')}
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</Text>
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</View>
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</View>
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</Pressable>
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);
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}, [messages, lastMsg]);
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return (
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<View style={{ flex: 1, backgroundColor: C.bg }}>
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{/* ── Header ── */}
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<View style={{
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flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between',
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paddingHorizontal: 16,
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paddingTop: insets.top + 10,
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paddingBottom: 14,
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borderBottomWidth: 1, borderBottomColor: C.line,
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}}>
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<View>
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<Text style={{ color: C.text, fontSize: 22, fontWeight: '700', letterSpacing: -0.3 }}>
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Сообщения
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</Text>
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{contacts.length > 0 && (
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<View style={{ flexDirection: 'row', alignItems: 'center', gap: 5, marginTop: 2 }}>
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<Text style={{ color: C.muted, fontSize: 12 }}>
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{contacts.length} {contacts.length === 1 ? 'контакт' : contacts.length < 5 ? 'контакта' : 'контактов'}
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{' · '}
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<Text style={{ color: C.ok }}>E2E</Text>
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{' · '}
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</Text>
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<View style={{
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width: 6, height: 6, borderRadius: 3,
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backgroundColor: wsLive ? C.ok : C.warn,
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}} />
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<Text style={{ color: wsLive ? C.ok : C.warn, fontSize: 11 }}>
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{wsLive ? 'live' : 'polling'}
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</Text>
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</View>
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)}
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</View>
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<View style={{ flexDirection: 'row', gap: 8, alignItems: 'center' }}>
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{/* Incoming requests chip */}
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{requests.length > 0 && (
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<TouchableOpacity
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onPress={() => router.push('/(app)/requests')}
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activeOpacity={0.7}
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style={{
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flexDirection: 'row', alignItems: 'center', gap: 6,
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backgroundColor: 'rgba(125,181,255,0.14)', borderRadius: 999,
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paddingHorizontal: 12, paddingVertical: 7,
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borderWidth: 1, borderColor: 'rgba(125,181,255,0.25)',
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}}
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>
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<Ionicons name="mail-unread-outline" size={14} color={C.accent} />
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<Text style={{ color: C.accent, fontSize: 12, fontWeight: '600' }}>
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{requests.length}
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</Text>
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</TouchableOpacity>
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)}
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{/* Add contact button */}
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<TouchableOpacity
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onPress={() => hasBalance ? router.push('/(app)/new-contact') : router.push('/(app)/wallet')}
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activeOpacity={0.7}
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style={{
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width: 38, height: 38, borderRadius: 19,
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backgroundColor: hasBalance ? C.accent : C.surface2,
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alignItems: 'center', justifyContent: 'center',
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}}
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>
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<Ionicons
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name={hasBalance ? 'add-outline' : 'lock-closed-outline'}
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size={20}
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color={hasBalance ? C.bg : C.muted}
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/>
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</TouchableOpacity>
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</View>
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</View>
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{/* ── No balance gate (no contacts) ── */}
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{!hasBalance && contacts.length === 0 && (
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<View style={{
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margin: 16, padding: 18,
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backgroundColor: 'rgba(125,181,255,0.07)',
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borderRadius: 14,
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borderWidth: 1, borderColor: 'rgba(125,181,255,0.15)',
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}}>
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<View style={{ flexDirection: 'row', alignItems: 'center', gap: 10, marginBottom: 8 }}>
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<View style={{
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width: 32, height: 32, borderRadius: 16,
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backgroundColor: 'rgba(125,181,255,0.18)',
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alignItems: 'center', justifyContent: 'center',
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}}>
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<Ionicons name="diamond-outline" size={16} color={C.accent} />
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</View>
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<Text style={{ color: C.text, fontWeight: '700', fontSize: 15 }}>
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Пополните баланс
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</Text>
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</View>
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<Text style={{ color: C.muted, fontSize: 13, lineHeight: 20, marginBottom: 14 }}>
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Отправка запроса контакта стоит{' '}
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<Text style={{ color: C.text, fontWeight: '600' }}>{formatAmount(MIN_FEE)}</Text>
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{' '}— антиспам-сбор идёт напрямую получателю.
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</Text>
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<TouchableOpacity
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onPress={() => router.push('/(app)/wallet')}
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activeOpacity={0.7}
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style={{
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flexDirection: 'row', alignItems: 'center', justifyContent: 'center', gap: 8,
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paddingVertical: 11, borderRadius: 10,
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backgroundColor: C.accent,
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}}
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>
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<Ionicons name="wallet-outline" size={16} color={C.bg} />
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<Text style={{ color: C.bg, fontWeight: '700', fontSize: 13 }}>Перейти в кошелёк</Text>
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</TouchableOpacity>
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</View>
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)}
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{/* ── Low balance warning (has contacts) ── */}
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{!hasBalance && contacts.length > 0 && (
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<TouchableOpacity
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onPress={() => router.push('/(app)/wallet')}
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activeOpacity={0.7}
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style={{
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flexDirection: 'row', alignItems: 'center', gap: 10,
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marginHorizontal: 16, marginTop: 12,
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backgroundColor: 'rgba(255,122,135,0.08)',
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borderRadius: 10, paddingHorizontal: 12, paddingVertical: 10,
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borderWidth: 1, borderColor: 'rgba(255,122,135,0.18)',
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}}
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>
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<Ionicons name="warning-outline" size={16} color={C.err} />
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<Text style={{ color: C.err, fontSize: 13, flex: 1 }}>
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Недостаточно токенов для добавления контакта
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</Text>
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<Ionicons name="chevron-forward" size={14} color={C.err} />
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</TouchableOpacity>
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)}
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{/* ── Empty state (has balance, no contacts) ── */}
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{contacts.length === 0 && hasBalance && (
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<View style={{ flex: 1, alignItems: 'center', justifyContent: 'center', paddingHorizontal: 32 }}>
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<View style={{
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width: 88, height: 88, borderRadius: 44,
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backgroundColor: C.surface,
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alignItems: 'center', justifyContent: 'center',
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marginBottom: 18,
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}}>
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<Ionicons name="chatbubbles-outline" size={40} color={C.accent} />
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</View>
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<Text style={{ color: C.text, fontSize: 19, fontWeight: '700', textAlign: 'center', marginBottom: 8 }}>
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Нет диалогов
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</Text>
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<Text style={{ color: C.muted, fontSize: 14, textAlign: 'center', lineHeight: 22, marginBottom: 20 }}>
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Добавьте контакт по адресу или{' '}
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<Text style={{ color: C.accent, fontWeight: '600' }}>@username</Text>
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{' '}для начала зашифрованной переписки.
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</Text>
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<TouchableOpacity
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onPress={() => router.push('/(app)/new-contact')}
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activeOpacity={0.7}
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style={{
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flexDirection: 'row', alignItems: 'center', gap: 8,
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paddingHorizontal: 22, paddingVertical: 12, borderRadius: 12,
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backgroundColor: C.accent,
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}}
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>
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<Ionicons name="person-add-outline" size={16} color={C.bg} />
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<Text style={{ color: C.bg, fontWeight: '700', fontSize: 14 }}>Добавить контакт</Text>
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</TouchableOpacity>
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</View>
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)}
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{/* ── Chat list ── */}
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{contacts.length > 0 && (
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<FlatList
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data={sortedContacts}
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keyExtractor={c => c.address}
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renderItem={renderItem}
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contentContainerStyle={{ paddingBottom: 20 }}
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showsVerticalScrollIndicator={false}
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/>
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)}
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</View>
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);
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}
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