init

apps/api/src/controllers/prices.controller.ts

@@ -11,6 +11,7 @@ import { Request, Response } from 'express';
 import { getCoingeckoId } from '../lib/token-registry';
 import { ALL_CHAINS } from '../services/wallet-generator.service';
 import { getPricesBySymbols } from '../services/price-oracle.service';
+// getPricesWithChangeByIds импортируется dynamic'но в getDynamics handler ниже.
 import type { ChainCode } from '../lib/address-validators';
 import { logger } from '../lib/logger';
 
@@ -135,4 +136,87 @@ export const PricesController = {
       res.status(502).json({ success: false, error: 'Upstream price oracle error' });
     }
   },
+
+  /**
+   * GET /api/prices/dynamics?symbols=BTC,ETH,BNB,SOL,TRX
+   *
+   * Возвращает USD-цену + 24h % изменения для списка symbols.
+   * Default symbols (если query не задан): BTC,ETH,BNB,SOL,TRX.
+   * Source: CoinGecko `include_24hr_change=true` (rolling 24h, не anchored).
+   *
+   * Response 200:
+   *   { success: true, data: { "BTC": { "usd": 67432.12, "change24h": -1.38 }, ... } }
+   */
+  async getDynamics(req: Request, res: Response) {
+    try {
+      const rawSymbols = String(req.query.symbols || '').trim();
+      const symbols = rawSymbols
+        ? rawSymbols.split(',').map((s) => s.trim().toUpperCase()).filter((s) => s.length > 0)
+        : ['BTC', 'ETH', 'BNB', 'SOL', 'TRX'];
+
+      if (symbols.length === 0) {
+        res.status(400).json({ success: false, error: 'symbols list is empty' });
+        return;
+      }
+      if (symbols.length > MAX_SYMBOLS_PER_REQUEST) {
+        res.status(400).json({
+          success: false,
+          error: `Too many symbols (max ${MAX_SYMBOLS_PER_REQUEST})`,
+        });
+        return;
+      }
+      for (const s of symbols) {
+        if (!SYMBOL_RE.test(s)) {
+          res.status(400).json({ success: false, error: `Invalid symbol: ${s}` });
+          return;
+        }
+      }
+
+      // Resolve каждый symbol в CoinGecko id напрямую.
+      // Native tickers: BTC=bitcoin, ETH=ethereum, BNB=binancecoin, SOL=solana, TRX=tron.
+      // Для non-native: пытаемся getCoingeckoId через chain fallback.
+      const NATIVE_TICKER_TO_COINGECKO: Record<string, string> = {
+        BTC: 'bitcoin',
+        ETH: 'ethereum',
+        BNB: 'binancecoin',
+        SOL: 'solana',
+        TRX: 'tron',
+      };
+      const fallbackChains: ChainCode[] = ['ETH', 'BSC', 'SOL', 'TRX', 'BTC'];
+
+      const symbolToCgId = new Map<string, string>();
+      for (const sym of symbols) {
+        let cgId: string | null = NATIVE_TICKER_TO_COINGECKO[sym] ?? null;
+        if (!cgId) {
+          for (const c of fallbackChains) {
+            const id = getCoingeckoId(c, sym);
+            if (id) { cgId = id; break; }
+          }
+        }
+        if (!cgId) {
+          res.status(400).json({ success: false, error: `Unknown symbol: ${sym}` });
+          return;
+        }
+        symbolToCgId.set(sym, cgId);
+      }
+
+      const { getPricesWithChangeByIds } = await import('../services/price-oracle.service');
+      const rich = await getPricesWithChangeByIds(Array.from(new Set(symbolToCgId.values())));
+
+      const data: Record<string, { usd: number | null; change24h: number | null }> = {};
+      for (const sym of symbols) {
+        const cgId = symbolToCgId.get(sym)!;
+        const v = rich[cgId];
+        data[sym] = {
+          usd: v?.usd ?? null,
+          change24h: v?.change24h ?? null,
+        };
+      }
+
+      res.json({ success: true, data });
+    } catch (err: any) {
+      logger.error(`getDynamics failed: ${err?.stack || err?.message || 'unknown'}`);
+      res.status(502).json({ success: false, error: 'Upstream price oracle error' });
+    }
+  },
 };