fix: restore canonical token lookup for market caches

internal/data/market/token_lookup.go

@@ -0,0 +1,78 @@
+package market
+
+import (
+	"sort"
+	"strings"
+
+	"me.thuanle/bbot/internal/configs/binance"
+	"me.thuanle/bbot/internal/utils/stringx"
+)
+
+var futureSymbolPrefixPriority = append(append([]string{}, binance.SymbolPrefixList...), "")
+
+func tokenKeyFromSymbol(symbol string) string {
+	token := strings.ToUpper(symbol)
+
+	for _, prefix := range binance.SymbolPrefixList {
+		token, _ = strings.CutPrefix(token, strings.ToUpper(prefix))
+	}
+
+	for _, suffix := range binance.SymbolSuffixList {
+		replaced, ok := stringx.ReplaceSuffix(token, strings.ToUpper(suffix), strings.ToUpper(binance.SymbolSuffixMap[suffix]))
+		if ok {
+			return replaced
+		}
+	}
+
+	return ""
+}
+
+func selectCanonicalSpotSymbol(token string, candidates []string) string {
+	return selectCanonicalSymbolByTokenOrder(token, candidates, []string{""})
+}
+
+func selectCanonicalFutureSymbol(token string, candidates []string) string {
+	return selectCanonicalSymbolByTokenOrder(token, candidates, futureSymbolPrefixPriority)
+}
+
+func selectCanonicalSymbolByTokenOrder(token string, candidates []string, prefixes []string) string {
+	if len(candidates) == 0 {
+		return ""
+	}
+	if len(candidates) == 1 {
+		return strings.ToUpper(candidates[0])
+	}
+
+	token = strings.ToUpper(token)
+	normalized := make([]string, 0, len(candidates))
+	candidateSet := make(map[string]struct{}, len(candidates))
+	for _, candidate := range candidates {
+		candidate = strings.ToUpper(candidate)
+		normalized = append(normalized, candidate)
+		candidateSet[candidate] = struct{}{}
+	}
+
+	for _, prefix := range prefixes {
+		base := strings.ToUpper(prefix) + token
+		if _, ok := candidateSet[base]; ok {
+			return base
+		}
+
+		for _, suffix := range binance.SymbolSuffixList {
+			target := base + strings.ToUpper(suffix)
+			if _, ok := candidateSet[target]; ok {
+				return target
+			}
+
+			replaced, ok := stringx.ReplaceSuffix(base, strings.ToUpper(binance.SymbolSuffixMap[suffix]), strings.ToUpper(suffix))
+			if ok {
+				if _, exists := candidateSet[replaced]; exists {
+					return replaced
+				}
+			}
+		}
+	}
+
+	sort.Strings(normalized)
+	return normalized[0]
+}