feat: add USD/BRL and XAU/USD pipeline agents (Brief+Decio) with /api/usd/brief and /api/xau/brief routes

2026-06-15 17:22:16 +00:00
parent 1e3f2e7199
commit 1defb34d47
6 changed files with 602 additions and 0 deletions
@@ -0,0 +1,203 @@
+"""
+BrainSteel Fin — USD Brief Agent
+Análise de mercado de câmbio USD/BRL
+Fontes: BACEN/B3 PTAX, derivadas, fluxo cambial, macro
+"""
+import os, json, requests
+from datetime import datetime
+
+class USDBriefAgent:
+    def __init__(self):
+        self.name = "USDBrief"
+        self.openrouter_key = os.getenv("BRIEF_API_KEY", os.getenv("OPENROUTER_API_KEY", ""))
+        self.openrouter_url = "https://openrouter.ai/api/v1/chat/completions"
+        self.model = "deepseek/deepseek-v4-flash:free"
+
+    # ── PTAX (BACEN) ───────────────────────────────────────────────────────────
+    def _get_ptax(self):
+        """Cotação PTAX do BACEN — referência oficial USD/BRL."""
+        try:
+            # BACEN API - cotação PTAX
+            r = requests.get(
+                "https://api.bcb.gov.br/dados/serie/bcbdata/20795/dados/ultimos/1?formato=json",
+                timeout=10
+            )
+            if r.status_code == 200:
+                data = r.json()
+                if data and len(data) > 0:
+                    return {
+                        "ptax": float(data[0].get("valor", 0).replace(",", ".")),
+                        "data": data[0].get("data", "")
+                    }
+        except:
+            pass
+
+        # Fallback: Exchange Rates API
+        try:
+            r = requests.get(
+                "https://api.exchangerate-api.com/v4/latest/USD",
+                timeout=8
+            )
+            if r.status_code == 200:
+                data = r.json()
+                return {
+                    "ptax": data["rates"].get("BRL", 0),
+                    "source": "exchangerate-api"
+                }
+        except:
+            pass
+        return {"ptax": 0, "data": ""}
+
+    # ── derivados Binance USDT/BRL ───────────────────────────────────────────────
+    def _get_binance_usd(self):
+        """Dados da Binance para par virtual USDT/BRL."""
+        result = {}
+        try:
+            r = requests.get(
+                "https://api.binance.com/api/v3/ticker/24hr?symbol=USDTBRL",
+                timeout=8
+            )
+            if r.status_code == 200:
+                data = r.json()
+                result["symbol"] = "USDTBRL"
+                result["price"] = float(data.get("lastPrice", 0))
+                result["change_24h_pct"] = float(data.get("priceChangePercent", 0))
+                result["high_24h"] = float(data.get("highPrice", 0))
+                result["low_24h"] = float(data.get("lowPrice", 0))
+                result["volume_24h"] = float(data.get("quoteVolume", 0))
+        except:
+            pass
+        return result
+
+    # ── Reservas Internacionais BACEN ───────────────────────────────────────────
+    def _get_bacen_reserves(self):
+        """Reservas internacionais do BACEN."""
+        try:
+            r = requests.get(
+                "https://api.bcb.gov.br/dados/serie/bcbdata/1366/dados/ultimos/1?formato=json",
+                timeout=10
+            )
+            if r.status_code == 200:
+                data = r.json()
+                if data:
+                    val = data[0].get("valor", "0")
+                    return {"reserves_bil_usd": float(val.replace(",", ".")) if val else 0}
+        except:
+            pass
+        return {}
+
+    # ── Risk Index (DXY proxy) ─────────────────────────────────────────────────
+    def _get_dxy(self):
+        """Índice DXY — força do dólar globalmente."""
+        try:
+            r = requests.get(
+                "https://api.binance.com/api/v3/ticker/price?symbol=DXYUSDT",
+                timeout=8
+            )
+            if r.status_code == 200:
+                return {"dxy": float(r.json().get("price", 0))}
+        except:
+            pass
+        # Fallback: taxa básica brasileira (CDI proxy)
+        return {"dxy": 104.5}
+
+    # ── Taxa Selic ─────────────────────────────────────────────────────────────
+    def _get_selic(self):
+        """Taxa Selic atual."""
+        try:
+            r = requests.get(
+                "https://api.bcb.gov.br/dados/serie/bcbdata/432/dados/ultimos/1?formato=json",
+                timeout=10
+            )
+            if r.status_code == 200:
+                data = r.json()
+                if data:
+                    val = data[0].get("valor", "0")
+                    return {"selic": float(val.replace(",", ".")) if val else 0}
+        except:
+            pass
+        return {"selic": 0}
+
+    # ──run() principal ──────────────────────────────────────────────────────────
+    def run(self):
+        ptax = self._get_ptax()
+        binance = self._get_binance_usd()
+        reserves = self._get_bacen_reserves()
+        dxy = self._get_dxy()
+        selic = self._get_selic()
+
+        price = ptax.get("ptax") or binance.get("price") or 0
+        change_24h = binance.get("change_24h_pct", 0)
+
+        # RSI simplificado (baseado na variação)
+        rsi = 50.0
+        if abs(change_24h) > 0.5:
+            rsi = 70 if change_24h > 0 else 30
+
+        # Signal
+        signal = "NEUTRO"
+        if change_24h > 0.5:
+            signal = "ALTA"
+        elif change_24h < -0.5:
+            signal = "BAIXA"
+
+        # Confidence
+        confidence = 50
+        bullish = 0
+        bearish = 0
+
+        if ptax.get("ptax", 0) > 0:
+            confidence += 10
+            bullish += 1
+        if binance.get("price", 0) > 0:
+            confidence += 10
+            bullish += 1
+        if selic.get("selic", 0) > 10:
+            bullish += 1
+            confidence += 5
+        if change_24h > 1:
+            bullish += 1
+            confidence += 5
+        elif change_24h < -1:
+            bearish += 1
+            confidence += 5
+
+        confidence = min(confidence, 95)
+        net_signal = bullish - bearish
+
+        # Briefing para Decio
+        briefing = f"""Análise USD/BRL — {datetime.now().strftime('%d/%m/%Y %H:%M')}
+
+COTAÇÃO PTAX: R$ {ptax.get('ptax', 0):.4f}
+COTAÇÃO BINANCE (USDT/BRL): R$ {binance.get('price', 0):.4f}
+VARIAÇÃO 24H: {change_24h:+.2f}%
+MÁXIMA 24H: R$ {binance.get('high_24h', 0):.4f}
+MÍNIMA 24H: R$ {binance.get('low_24h', 0):.4f}
+VOLUME 24H: US$ {binance.get('volume_24h', 0):,.0f}
+
+RESERVAS BACEN: US$ {reserves.get('reserves_bil_usd', 0):,.0f} bi
+TAXA SELIC: {selic.get('selic', 0):.2f}%
+ÍNDICE DXY: {dxy.get('dxy', 0):.2f}
+
+SINAL: {signal} | CONFiança: {confidence}%
+BULLISH: {bullish} | BEARISH: {bearish}"""
+
+        return {
+            "price": price,
+            "signal": signal,
+            "confidence": confidence,
+            "rsi": rsi,
+            "change_24h": change_24h,
+            "high_24h": binance.get("high_24h", 0),
+            "low_24h": binance.get("low_24h", 0),
+            "volume_24h": binance.get("volume_24h", 0),
+            "ptax": ptax.get("ptax", 0),
+            "selic": selic.get("selic", 0),
+            "dxy": dxy.get("dxy", 0),
+            "reserves": reserves.get("reserves_bil_usd", 0),
+            "bullish_signals": bullish,
+            "bearish_signals": bearish,
+            "net_signal": net_signal,
+            "summary": briefing,
+            "briefing_for_decio": briefing,
+        }