feat: create integration of nft to AskQuestion method

contracts/room_contract.go

@@ -1,6 +1,7 @@
 package contracts
 
 import (
+	"bytes"
 	"fmt"
 	"github.com/google/uuid"
 	"github.com/nspcc-dev/neo-go/pkg/interop"
@@ -46,6 +47,7 @@ type Room struct {
 }
 
 type Round struct {
+	TokenId  []byte // NFT token id, checking for uniqueness of questions
 	Question string
 	Answers  []Answer
 }
@@ -182,15 +184,33 @@ func StartGame(roomId string) bool {
 	return true
 }
 
-func AskQuestion(roomId string, question string) bool {
+func checkingForUniqueness(rounds []Round, tokenId []byte) bool {
+	for _, round := range rounds {
+		if bytes.Equal(round.TokenId, tokenId) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func AskQuestion(roomId string, tokenId []byte) bool {
 	var ctx = storage.GetContext()
 	var room = getRoom(ctx, roomId)
+	var wallet = getSender()
 
-	if !room.Host.Equals(getSender()) || room.Status != RoomStatusGaming {
+	if !room.Host.Equals(wallet) || room.Status != RoomStatusGaming {
 		return false // Only host can ask question, room status must be gaming
 	}
 
+	var tokenProps = NFTQuestion.Properties(tokenId)
+	if tokenProps == nil || tokenProps["owner"] != string(wallet) || checkingForUniqueness(room.Rounds, tokenId) {
+		return false // NFT was not found || Host is not the owner of question || Round must contain unique questions
+	}
+
+	var question = tokenProps["question"]
 	var round = Round{
+		TokenId:  tokenId,
 		Question: question,
 		Answers:  []Answer{},
 	}
@@ -199,9 +219,6 @@ func AskQuestion(roomId string, question string) bool {
 
 	sendMessageToPlayers("RoundQuestion", question)
 
-	// todo: Не забыть про nns
-	// todo: Добавить списание токенов за создание вопроса
-
 	setRoom(ctx, &room)
 	return true
 }
@@ -260,7 +277,7 @@ func EndQuestion(roomId string) bool {
 	var result string
 	for i, answer := range round.Answers {
 		result += fmt.Sprintf("index:%d, player:%s, answer:%s\n", i, answer.Wallet, answer.Content)
-	} // todo: нужно проверить нормально ли всё с \n в логах
+	}
 
 	sendMessageToPlayers("RoundAnswers", result)
 
@@ -325,7 +342,6 @@ func chooseWonAnswers(round Round, RoundWinnersCount int) []Answer {
 	return wonAnswers
 }
 
-// GetRoundWinner todo(-): Нам сказали, что ссылку на другой контракт нельзя чисто, используем nns
 // GetRoundWinner todo: Разные реализации распределения наград можно реализовать в контракте с деньгами
 func GetRoundWinner(roomId string) bool {
 	var ctx = storage.GetContext()