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main.go
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main.go
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package main
import (
"bufio"
"chicken/api"
"chicken/callcontract"
"chicken/utils"
"chicken/wifi"
"fmt"
"os"
"strconv"
"strings"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/fatih/color"
"github.com/joho/godotenv"
)
var userWalletAddress common.Address
func main() {
utils.ErebrusBanner()
err := godotenv.Load()
if err != nil {
color.Red("Error loading .env file")
return
}
// Ask for user's wallet address
reader := bufio.NewReader(os.Stdin)
color.Cyan("Please enter your wallet address: ")
addressStr, _ := reader.ReadString('\n')
addressStr = strings.TrimSpace(addressStr)
if !common.IsHexAddress(addressStr) {
color.Red("Invalid Ethereum address")
return
}
userWalletAddress = common.HexToAddress(addressStr)
client, err := ethclient.Dial(os.Getenv("AGUNG_NODE_URL"))
if err != nil {
color.Red("Failed to connect to the Ethereum client: %v", err)
return
}
for {
// Scan for nearby WiFi networks
color.Cyan("Scanning for nearby WiFi networks...")
nearbyNetworks, err := wifi.ScanNearbyWiFi()
if err != nil {
color.Red("Failed to scan for nearby networks: %v", err)
return
}
// Fetch WiFi data from HTTP API with retry
color.Cyan("Fetching WiFi data from API...")
wifiDataList, err := fetchWiFiDataWithRetry()
if err != nil {
color.Red("Failed to get WiFi data from API after retry: %v", err)
color.Yellow("Continuing with local data only...")
wifiDataList = []wifi.WiFiData{} // Use an empty list if API fetch fails
}
// Create a map to store unique SSIDs with their latest information
ssidInfoMap := make(map[string]struct {
ID uint
Password string
PricePerMin string
ChainName string
})
// Update SSID information from API data
for _, wifiData := range wifiDataList {
for _, status := range wifiData.Status {
if len(status.HostSSID) > 0 {
ssidLower := strings.ToLower(status.HostSSID)
ssidInfoMap[ssidLower] = struct {
ID uint
Password string
PricePerMin string
ChainName string
}{
ID: wifiData.ID,
Password: wifiData.Password,
PricePerMin: wifiData.PricePerMin,
ChainName: wifiData.ChainName,
}
}
}
}
// Find common SSIDs between nearby networks and API data
color.Green("Erebrus Registered DWiFi Networks in Your Vicinity:")
var readyNetworks []string
for _, ssid := range nearbyNetworks {
ssidLower := strings.ToLower(ssid)
if _, found := ssidInfoMap[ssidLower]; found {
readyNetworks = append(readyNetworks, ssid)
}
}
if len(readyNetworks) == 0 {
color.Yellow("No Erebrus DWiFi networks detected in your current location.")
} else {
for i, ssid := range readyNetworks {
info := ssidInfoMap[strings.ToLower(ssid)]
color.Yellow("%d. SSID: %s", i+1, ssid) // Serial number starts at 1
color.Yellow(" Price: %s ETH per minute", info.PricePerMin)
color.Yellow(" Network: %s", info.ChainName)
}
}
// User selection
fmt.Println(color.HiMagentaString("______________________________________________________________________________________________________"))
if len(readyNetworks) > 0 {
color.Cyan("Please select a network to connect (enter the corresponding number), or type '0' to exit: ")
} else {
color.Cyan("Type '0' to exit: ")
}
choiceStr, _ := reader.ReadString('\n')
choiceStr = strings.TrimSpace(choiceStr)
if choiceStr == "0" {
color.Green("Exiting program. Goodbye!")
return
}
choice, err := strconv.Atoi(choiceStr)
if err != nil || choice < 1 || choice > len(readyNetworks) {
color.Red("Invalid choice")
continue
}
selectedSSID := readyNetworks[choice-1]
selectedSSIDLower := strings.ToLower(selectedSSID)
info := ssidInfoMap[selectedSSIDLower]
// Mint NFT before connecting
color.Cyan("Minting NFT before connecting...")
err = callcontract.MintAndPay(client, userWalletAddress)
if err != nil {
color.Red("Error minting NFT: %v", err)
continue
}
color.Green("NFT minted successfully!")
// Connect to WiFi
color.Cyan("Connecting to %s...", selectedSSID)
err = wifi.ConnectToWiFi(selectedSSID, info.Password)
if err != nil {
color.Red("Error connecting to WiFi: %v", err)
continue
}
color.Green("Successfully connected to %s", selectedSSID)
startTime := time.Now()
disconnectChan := make(chan bool)
go func() {
for {
reader := bufio.NewReader(os.Stdin)
input, _ := reader.ReadString('\n')
input = strings.TrimSpace(input)
if input == "d" {
disconnectChan <- true
return
}
}
}()
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
connectionLoop:
for {
select {
case <-ticker.C:
connectedTime := time.Since(startTime).Round(time.Second)
color.Cyan("Connected to %s for %s", selectedSSID, connectedTime)
color.Yellow("Press 'd' to disconnect")
case <-disconnectChan:
connectedTime := time.Since(startTime).Round(time.Second)
totalMinutes := float64(connectedTime.Minutes())
pricePerMin, err := strconv.ParseFloat(info.PricePerMin, 64)
if err != nil {
color.Red("Error parsing price per minute: %v", err)
pricePerMin = 0
}
totalCost := totalMinutes * pricePerMin
color.Green("Total connected time: %s", connectedTime)
color.Green("Total cost: %.5f ETH (Price per min: %s ETH)", totalCost, info.PricePerMin)
disconnectFromWiFi()
break connectionLoop
}
}
color.Green("Returning to main menu...")
time.Sleep(3 * time.Second)
}
}
func fetchWiFiDataWithRetry() ([]wifi.WiFiData, error) {
retryCount := 2
var wifiDataList []wifi.WiFiData
var err error
for i := 0; i < retryCount; i++ {
wifiDataList, err = api.GetWiFiDataFromHTTP()
if err == nil {
return wifiDataList, nil
}
if strings.Contains(err.Error(), "no such host") {
color.Yellow("Failed to fetch WiFi data. Retrying in 5 seconds...")
time.Sleep(5 * time.Second)
} else {
return nil, err
}
}
return nil, err
}
func disconnectFromWiFi() {
color.Yellow("Initiating disconnection process...")
// Disconnect from WiFi
err := wifi.DisconnectFromWiFi()
if err != nil {
color.Red("Error disconnecting from WiFi: %v", err)
} else {
color.Green("Successfully disconnected from WiFi")
}
}