crypto-price-bot/internal/helper/binancex/resolver.go

package binancex

import (
	"strings"

	"me.thuanle/bbot/internal/configs/binance"
	"me.thuanle/bbot/internal/data"
	"me.thuanle/bbot/internal/utils/stringx"
)

func Token2FutureSymbols(token string) []string {
	if !stringx.IsAlphaNumeric(token) {
		return nil
	}

	token = strings.ToUpper(token)
	if mapped, ok := data.Market.GetFutureSymbolByToken(token); ok {
		return []string{mapped}
	}

	if futureToken, ok := binance.SpotToken2FutureTokenMap[token]; ok {
		if mapped, ok := data.Market.GetFutureSymbolByToken(strings.ToUpper(futureToken)); ok {
			return []string{mapped}
		}
	}

	return nil
}

func Token2SpotSymbols(token string) []string {
	if !stringx.IsAlphaNumeric(token) {
		return nil
	}

	token = strings.ToUpper(token)
	if mapped, ok := data.Market.GetSpotSymbolByToken(token); ok {
		return []string{mapped}
	}

	return nil
}

func Token2RelatedSpotSymbols(token string) []string {
	token = strings.ToUpper(token)
	seen := make(map[string]struct{}, 2)
	spots := make([]string, 0, 2)

	for _, futureSymbol := range Token2FutureSymbols(token) {
		spotSymbol := Future2SpotSymbol(futureSymbol)
		if _, ok := seen[spotSymbol]; ok {
			continue
		}
		if data.Market.IsSpotPair(spotSymbol) {
			seen[spotSymbol] = struct{}{}
			spots = append(spots, spotSymbol)
		}
	}

	for _, spotSymbol := range Token2SpotSymbols(token) {
		if _, ok := seen[spotSymbol]; ok {
			continue
		}
		seen[spotSymbol] = struct{}{}
		spots = append(spots, spotSymbol)
	}

	return spots
}