feat: fetch alpha price by symbol ticker

Keep alpha token existence from list cache and fetch live alpha price via symbol ticker endpoint for richer token response accuracy.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

internal/data/imarket.go

@@ -13,6 +13,7 @@ type IMarket interface {
 	// Alpha token methods
 	IsAlphaToken(symbol string) bool
 	GetAlphaToken(symbol string) (market.AlphaTokenInfo, bool)
+	GetAlphaPrice(symbol string) (float64, bool)
 
 	// Trading pair methods
 	IsSpotPair(symbol string) bool

internal/data/market/alpha_tokens.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"net/url"
 	"strconv"
 	"time"
 
@@ -54,10 +55,21 @@ type AlphaTokenInfo struct {
 
 // AlphaTokenResponse represents the API response structure
 type AlphaTokenResponse struct {
-	Code         string           `json:"code"`
-	Message      *string          `json:"message"`
+	Code          string           `json:"code"`
+	Message       *string          `json:"message"`
+	MessageDetail *string          `json:"messageDetail"`
+	Data          []AlphaTokenInfo `json:"data"`
+}
+
+type AlphaTickerData struct {
+	Price string `json:"price"`
+}
+
+type AlphaTickerResponse struct {
+	Code          string          `json:"code"`
+	Message       *string         `json:"message"`
 	MessageDetail *string         `json:"messageDetail"`
-	Data         []AlphaTokenInfo `json:"data"`
+	Data          AlphaTickerData `json:"data"`
 }
 
 // GetPrice returns the price as float64
@@ -150,3 +162,37 @@ func (ms *MarketData) IsAlphaToken(symbol string) bool {
 	_, exists := ms.GetAlphaToken(symbol)
 	return exists
 }
+
+func (ms *MarketData) GetAlphaPrice(symbol string) (float64, bool) {
+	const alphaTickerURL = "https://www.binance.com/bapi/defi/v1/public/alpha-trade/ticker"
+
+	client := &http.Client{Timeout: 5 * time.Second}
+	endpoint := alphaTickerURL + "?" + url.Values{"symbol": []string{symbol}}.Encode()
+
+	resp, err := client.Get(endpoint)
+	if err != nil {
+		log.Error().Err(err).Str("symbol", symbol).Msg("Failed to fetch Alpha ticker")
+		return 0, false
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return 0, false
+	}
+
+	var tickerResp AlphaTickerResponse
+	if err := json.NewDecoder(resp.Body).Decode(&tickerResp); err != nil {
+		return 0, false
+	}
+
+	if tickerResp.Code != "000000" {
+		return 0, false
+	}
+
+	price, err := strconv.ParseFloat(tickerResp.Data.Price, 64)
+	if err != nil || price <= 0 {
+		return 0, false
+	}
+
+	return price, true
+}

internal/services/tele/commands/token.go

@@ -66,9 +66,13 @@ func collectRichTokenData(token string) buildRichTokenMessageArgs {
 
 	if alphaToken, ok := data.Market.GetAlphaToken(token); ok {
 		a.HasAlpha = true
-		a.AlphaPrice = alphaToken.GetPrice()
 		a.HasAlpha24h = true
 		a.Alpha24h = alphaToken.GetPercentChange24h()
+		if alphaPrice, ok := data.Market.GetAlphaPrice(token + "USDT"); ok {
+			a.AlphaPrice = alphaPrice
+		} else {
+			a.AlphaPrice = alphaToken.GetPrice()
+		}
 	}
 
 	futureSymbol := token + "USDT"

internal/services/tele/commands/token_test.go

@@ -56,6 +56,7 @@ type marketStub struct {
 		time  int64
 	}
 	alphaTokens map[string]market.AlphaTokenInfo
+	alphaPrices map[string]float64
 	marginRates map[string]float64
 }
 
@@ -81,6 +82,10 @@ func (m *marketStub) GetAlphaToken(symbol string) (market.AlphaTokenInfo, bool)
 	v, ok := m.alphaTokens[symbol]
 	return v, ok
 }
+func (m *marketStub) GetAlphaPrice(symbol string) (float64, bool) {
+	v, ok := m.alphaPrices[symbol]
+	return v, ok
+}
 func (m *marketStub) IsSpotPair(symbol string) bool    { return m.spotPairs[symbol] }
 func (m *marketStub) IsFuturesPair(symbol string) bool { return m.futuresPairs[symbol] }
 func (m *marketStub) RefreshTradingPairCache() error   { return nil }
@@ -126,3 +131,26 @@ func TestCollectRichTokenData_FutureFailureStillKeepsSpot(t *testing.T) {
 		t.Fatalf("did not expect future when future lookup fails: %+v", args)
 	}
 }
+
+func TestCollectRichTokenData_AlphaUsesSymbolPrice(t *testing.T) {
+	orig := data.Market
+	defer func() { data.Market = orig }()
+
+	data.Market = &marketStub{
+		alphaTokens: map[string]market.AlphaTokenInfo{
+			"ABC": {Symbol: "ABC", PercentChange24h: "12.4", Price: "0.1"},
+		},
+		alphaPrices: map[string]float64{"ABCUSDT": 0.1234},
+	}
+
+	args := collectRichTokenData("ABC")
+	if !args.HasAlpha {
+		t.Fatalf("expected alpha to be available: %+v", args)
+	}
+	if !args.HasAlpha24h {
+		t.Fatalf("expected alpha 24h to be available: %+v", args)
+	}
+	if args.AlphaPrice != 0.1234 {
+		t.Fatalf("expected alpha price from symbol lookup, got %.4f", args.AlphaPrice)
+	}
+}