setup sequence first steps done

.envExample

@@ -0,0 +1,7 @@
+PK=yourprivatekey
+GATEWAY_GOERLI_WS=wss://goerli.infura.io/ws/v3/
+GITHUB_TOKEN=ghp_
+ACCOUNT_ADDRESS=0xc905803BbC804fECDc36850281fEd6520A346AC5
+UNION_ADDRESS=0x5c845F2B0B81b4Eb9C9B4ed33b9e2a9eCF3B66d9
+PASSPORT_ADDRESS=0x155C672bFdD482F2D67a7cd30e3acDc3e59D5092
+URL=http://localhost:3000/dao

.gitignore

@@ -0,0 +1,19 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.secret
+*.env
+
+telegramdb
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 MoonShard
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,3 @@
+# NFT bot
+
+Bot for NFT trading

go.mod

@@ -0,0 +1,28 @@
+module NFTbot
+
+go 1.19
+
+require (
+	github.com/MoonSHRD/IKY-telegram-bot v0.2.1
+	github.com/ethereum/go-ethereum v1.10.26
+	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
+	github.com/joho/godotenv v1.4.0
+)
+
+require (
+	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/go-ole/go-ole v1.2.1 // indirect
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/google/uuid v1.2.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/rjeczalik/notify v0.9.1 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/tklauser/go-sysconf v0.3.5 // indirect
+	github.com/tklauser/numcpus v0.2.2 // indirect
+	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
+	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+)

go.sum

@@ -0,0 +1,79 @@
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+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
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main.go

@@ -0,0 +1,140 @@
+package main
+
+import (
+	//	"bytes"
+
+	"context"
+	"log"
+	"math/big"
+	"os"
+
+	//"strconv"
+	//	"strings"
+	passport "github.com/MoonSHRD/IKY-telegram-bot/artifacts/TGPassport"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethclient"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+	"github.com/joho/godotenv"
+)
+
+var tgApiKey, err = os.ReadFile(".secret")
+var bot, error1 = tgbotapi.NewBotAPI(string(tgApiKey))
+
+type user struct {
+	DialogStatus int64
+	ChatID       int64
+}
+
+var userDatabase = make(map[int64]user)
+
+var buySellKeyboard = tgbotapi.NewReplyKeyboard(
+	tgbotapi.NewKeyboardButtonRow(
+		tgbotapi.NewKeyboardButton("Buy"),
+		tgbotapi.NewKeyboardButton("Sell"),
+	),
+)
+
+var nullAddress common.Address = common.HexToAddress("0x0000000000000000000000000000000000000000")
+
+func main() {
+
+	_ = godotenv.Load()
+	//ctx := context.Background()
+	pk := os.Getenv("PK") // load private key from env
+	gateway := os.Getenv("GATEWAY_GOERLI_WS")
+
+	passportAddress := os.Getenv("PASSPORT_ADDRESS")
+
+	// setting up private key in proper format
+	privateKey, err := crypto.HexToECDSA(pk)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Creating an auth transactor
+	auth, _ := bind.NewKeyedTransactorWithChainID(privateKey, big.NewInt(5))
+	if err != nil {
+		log.Fatalf("could not connect to auth gateway: %v\n", err)
+	}
+
+	bot, err = tgbotapi.NewBotAPI(string(tgApiKey))
+	if err != nil {
+		log.Panic(err)
+	}
+
+	log.Printf("Authorized on account %s", bot.Self.UserName)
+
+	u := tgbotapi.NewUpdate(0)
+	u.Timeout = 60
+
+	client, err := ethclient.Dial(gateway) // load from local .env file
+	if err != nil {
+		log.Fatalf("could not connect to Ethereum gateway: %v\n", err)
+	}
+	defer client.Close()
+
+	passportCaller, err := passport.NewPassportCaller(common.HexToAddress(passportAddress), client)
+	if err != nil {
+		log.Fatalf("Failed to instantiate a Passport contract: %v", err)
+	}
+
+	updates := bot.GetUpdatesChan(u)
+
+	for update := range updates {
+
+		if _, ok := userDatabase[update.Message.Chat.ID]; !ok {
+
+			userDatabase[update.Message.Chat.ID] = user{0, update.Message.Chat.ID}
+
+			isRegistered := checkUser(auth, passportCaller, update.Message.Chat.ID)
+
+			if isRegistered {
+				updateDb := userDatabase[update.Message.Chat.ID]
+
+				//updateDb = restoreUserViaJson(tgdb, update.Message.Chat.ID) //if the chat is registered, it is present in our db
+
+				updateDb.DialogStatus = 1
+
+				himsg := tgbotapi.NewMessage(userDatabase[update.Message.Chat.ID].ChatID, "Hello! This bot is designed for buying/selling NFT.")
+				bot.Send(himsg)
+
+				msg := tgbotapi.NewMessage(userDatabase[update.Message.Chat.ID].ChatID, "Found you in our database! Use the provided keyboard to operate the bot.")
+				msg.ReplyMarkup = buySellKeyboard
+				bot.Send(msg)
+				userDatabase[update.Message.Chat.ID] = updateDb
+
+			} else {
+				himsg := tgbotapi.NewMessage(userDatabase[update.Message.Chat.ID].ChatID, "Hello! This bot is designed for buying/selling NFT.")
+				bot.Send(himsg)
+
+				msg := tgbotapi.NewMessage(userDatabase[update.Message.Chat.ID].ChatID, "Please, go to <IKYBOTLINK> for registration, it takes only a couple of minutes.")
+				bot.Send(msg)
+				delete(userDatabase, update.Message.Chat.ID)
+			}
+
+		} else if userDatabase[update.Message.Chat.ID].DialogStatus == 1 {
+
+		}
+	}
+}
+
+func checkUser(auth *bind.TransactOpts, pc *passport.PassportCaller, Tgid int64) bool {
+	registration, err := pc.TgIdToAddress(&bind.CallOpts{
+		From:    auth.From,
+		Context: context.Background(),
+	}, Tgid)
+
+	log.Println(registration)
+
+	if err != nil {
+		log.Print(err)
+	}
+
+	if registration == nullAddress {
+		return false
+	} else {
+		return true
+	}
+}