Синхронизировать регистр логинов и доработать UI каналов

2026-08-19 14:30:29 +04:00
parent e8a4713f6e
commit ce30b77328
29 changed files with 6729 additions and 815 deletions
@@ -0,0 +1,108 @@
+const SNAPSHOT_STORAGE_KEY = 'shine-ui-blockchain-snapshot-v1';
+
+function normalizeLogin(login) {
+  return String(login || '').trim().toLowerCase();
+}
+
+function storageBucketKey(login) {
+  return normalizeLogin(login) || 'anonymous';
+}
+
+function decodeBase64ToBytes(base64) {
+  const raw = String(base64 || '').trim();
+  if (!raw) return new Uint8Array();
+  const bin = atob(raw);
+  const out = new Uint8Array(bin.length);
+  for (let i = 0; i < bin.length; i += 1) out[i] = bin.charCodeAt(i);
+  return out;
+}
+
+function readStorageMap() {
+  try {
+    const raw = localStorage.getItem(SNAPSHOT_STORAGE_KEY);
+    const parsed = raw ? JSON.parse(raw) : {};
+    return parsed && typeof parsed === 'object' ? parsed : {};
+  } catch {
+    return {};
+  }
+}
+
+function writeStorageMap(value) {
+  try {
+    localStorage.setItem(SNAPSHOT_STORAGE_KEY, JSON.stringify(value || {}));
+  } catch {
+    // ignore localStorage errors
+  }
+}
+
+export function readStoredBlockchainSnapshot(login) {
+  const key = storageBucketKey(login);
+  const map = readStorageMap();
+  const value = map?.[key];
+  return value && typeof value === 'object' ? value : null;
+}
+
+export function saveStoredBlockchainSnapshot(login, snapshot) {
+  const key = storageBucketKey(login);
+  const map = readStorageMap();
+  map[key] = {
+    ...snapshot,
+    savedAtMs: Date.now(),
+  };
+  writeStorageMap(map);
+  return map[key];
+}
+
+export function clearStoredBlockchainSnapshot(login) {
+  const key = storageBucketKey(login);
+  const map = readStorageMap();
+  delete map[key];
+  writeStorageMap(map);
+}
+
+export async function buildBlockchainSnapshotFile({
+  authService,
+  login,
+  blockchainName,
+  lastBlockNumber,
+} = {}) {
+  const cleanLogin = normalizeLogin(login);
+  const cleanBlockchainName = String(blockchainName || '').trim();
+  const maxBlockNumber = Number(lastBlockNumber);
+  if (!authService?.ws?.request) throw new Error('Сервис сервера недоступен.');
+  if (!cleanLogin) throw new Error('Не указан логин.');
+  if (!cleanBlockchainName) throw new Error('Не указано имя блокчейна.');
+  if (!Number.isFinite(maxBlockNumber) || maxBlockNumber < 0) {
+    throw new Error('На сервере нет блоков для слепка.');
+  }
+
+  const parts = [];
+  let totalBytes = 0;
+  for (let blockNumber = 0; blockNumber <= maxBlockNumber; blockNumber += 1) {
+    const response = await authService.ws.request('GetBlockchainBlock', {
+      blockchainName: cleanBlockchainName,
+      blockNumber,
+    });
+    if (response?.status !== 200) {
+      const message = String(response?.payload?.message || response?.message || 'Не удалось получить блок.');
+      throw new Error(`Не удалось скачать блок ${blockNumber}: ${message}`);
+    }
+    const blockBytes = decodeBase64ToBytes(response?.payload?.blockBytesB64 || '');
+    parts.push(blockBytes);
+    totalBytes += blockBytes.length;
+  }
+
+  const file = new File(parts, `${cleanBlockchainName}.shine-blockchain`, {
+    type: 'application/octet-stream',
+    lastModified: Date.now(),
+  });
+
+  return {
+    file,
+    blockCount: maxBlockNumber + 1,
+    totalBytes,
+    lastBlockNumber: maxBlockNumber,
+    login: cleanLogin,
+    blockchainName: cleanBlockchainName,
+  };
+}