chore: initial commit for v0.0.1
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
This commit is contained in:
vsecoder
197
node/explorer/common.js
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197
node/explorer/common.js
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(function() {
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function esc(v) {
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return String(v === undefined || v === null ? '' : v)
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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function short(v, n) {
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if (!v) return '-';
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return v.length > n ? v.slice(0, n) + '...' : v;
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}
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function fmtTime(iso) {
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if (!iso) return '-';
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return iso.replace('T', ' ').replace('Z', ' UTC');
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}
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function timeAgo(iso) {
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if (!iso) return '-';
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var now = Date.now();
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var ts = new Date(iso).getTime();
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if (!isFinite(ts)) return '-';
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var diffSec = Math.max(0, Math.floor((now - ts) / 1000));
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if (diffSec < 10) return 'a few seconds ago';
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if (diffSec < 60) return diffSec + ' seconds ago';
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var diffMin = Math.floor(diffSec / 60);
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if (diffMin < 60) return diffMin === 1 ? 'a minute ago' : diffMin + ' minutes ago';
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var diffHour = Math.floor(diffMin / 60);
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if (diffHour < 24) return diffHour === 1 ? 'an hour ago' : diffHour + ' hours ago';
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var diffDay = Math.floor(diffHour / 24);
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if (diffDay === 1) return 'yesterday';
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if (diffDay < 30) return diffDay + ' days ago';
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var diffMonth = Math.floor(diffDay / 30);
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if (diffMonth < 12) return diffMonth === 1 ? 'a month ago' : diffMonth + ' months ago';
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var diffYear = Math.floor(diffMonth / 12);
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return diffYear === 1 ? 'a year ago' : diffYear + ' years ago';
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}
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function shortAddress(addr) {
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if (!addr) return '-';
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if (addr.length <= 9) return addr;
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return addr.slice(0, 3) + '...' + addr.slice(-3);
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}
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function txLabel(eventType) {
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var map = {
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TRANSFER: 'Transfer',
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REGISTER_KEY: 'Register',
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CREATE_CHANNEL: 'Create Channel',
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ADD_MEMBER: 'Add Member',
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OPEN_PAY_CHAN: 'Open Channel',
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CLOSE_PAY_CHAN: 'Close Channel',
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RELAY_PROOF: 'Relay Proof',
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BIND_WALLET: 'Bind Wallet',
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SLASH: 'Slash',
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HEARTBEAT: 'Heartbeat',
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BLOCK_REWARD: 'Reward'
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};
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return map[eventType] || eventType || 'Transaction';
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}
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function toToken(micro) {
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if (micro === undefined || micro === null) return '-';
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var n = Number(micro);
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if (isNaN(n)) return String(micro);
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return (n / 1000000).toFixed(6) + ' T';
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}
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// Compact token display: 21000000 T → "21M T", 1234 T → "1.23k T"
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function _fmtNum(n) {
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if (n >= 100) return Math.round(n).toString();
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if (n >= 10) return n.toFixed(1).replace(/\.0$/, '');
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return n.toFixed(2).replace(/\.?0+$/, '');
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}
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function toTokenShort(micro) {
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if (micro === undefined || micro === null) return '-';
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var t = Number(micro) / 1000000;
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if (isNaN(t)) return String(micro);
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if (t >= 1e9) return _fmtNum(t / 1e9) + 'B T';
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if (t >= 1e6) return _fmtNum(t / 1e6) + 'M T';
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if (t >= 1e3) return _fmtNum(t / 1e3) + 'k T';
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if (t >= 0.01) return _fmtNum(t) + ' T';
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var ut = Number(micro);
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if (ut >= 1000) return _fmtNum(ut / 1000) + 'k µT';
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return ut + ' µT';
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}
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function isPubKey(s) {
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return /^[0-9a-fA-F]{64}$/.test(s || '');
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}
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function setStatus(text, cls) {
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var el = document.getElementById('status');
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if (!el) return;
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el.className = 'status' + (cls ? ' ' + cls : '');
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el.textContent = text;
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}
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async function fetchJSON(url) {
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var resp = await fetch(url);
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var json = await resp.json().catch(function() { return {}; });
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if (!resp.ok) {
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throw new Error(json && json.error ? json.error : 'request failed');
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}
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if (json && json.error) {
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throw new Error(json.error);
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}
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return json;
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}
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function q(name) {
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return new URLSearchParams(window.location.search).get(name) || '';
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}
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function navAddress(address) {
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window.location.href = '/address?address=' + encodeURIComponent(address);
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}
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function navTx(id) {
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window.location.href = '/tx?id=' + encodeURIComponent(id);
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}
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function navNode(node) {
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window.location.href = '/node?node=' + encodeURIComponent(node);
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}
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function refreshIcons() {
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if (window.lucide && typeof window.lucide.createIcons === 'function') {
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window.lucide.createIcons();
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}
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}
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// ── SSE live event stream ─────────────────────────────────────────────────
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//
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// connectSSE(handlers) opens a connection to GET /api/events and dispatches
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// events to the supplied handler map, e.g.:
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//
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// C.connectSSE({
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// block: function(data) { ... },
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// tx: function(data) { ... },
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// contract_log: function(data) { ... },
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// connected: function() { /* SSE connection established */ },
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// error: function() { /* connection lost */ },
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// });
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//
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// Returns the EventSource instance so the caller can close it if needed.
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function connectSSE(handlers) {
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if (!window.EventSource) return null; // browser doesn't support SSE
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var es = new EventSource('/api/events');
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es.addEventListener('open', function() {
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if (handlers.connected) handlers.connected();
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});
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es.addEventListener('error', function() {
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if (handlers.error) handlers.error();
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});
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['block', 'tx', 'contract_log'].forEach(function(type) {
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if (!handlers[type]) return;
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es.addEventListener(type, function(e) {
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try {
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var data = JSON.parse(e.data);
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handlers[type](data);
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} catch (_) {}
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});
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});
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return es;
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}
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window.ExplorerCommon = {
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esc: esc,
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short: short,
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fmtTime: fmtTime,
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timeAgo: timeAgo,
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shortAddress: shortAddress,
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txLabel: txLabel,
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toToken: toToken,
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toTokenShort: toTokenShort,
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isPubKey: isPubKey,
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setStatus: setStatus,
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fetchJSON: fetchJSON,
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q: q,
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navAddress: navAddress,
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navTx: navTx,
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navNode: navNode,
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refreshIcons: refreshIcons,
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connectSSE: connectSSE
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};
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refreshIcons();
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})();
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