Restructured folders and project names, ci should be fixed

src/NadekoBot/Modules/Gambling/AnimalRacingCommands.cs

@@ -0,0 +1,186 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Common.AnimalRacing;
+using NadekoBot.Core.Modules.Gambling.Services;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common.AnimalRacing;
+using NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions;
+using NadekoBot.Modules.Gambling.Services;
+using NadekoBot.Modules.Games.Services;
+
+namespace NadekoBot.Modules.Gambling
+{
+    // wth is this, needs full rewrite
+    public partial class Gambling
+    {
+        [Group]
+        public class AnimalRacingCommands : GamblingSubmodule<AnimalRaceService>
+        {
+            private readonly ICurrencyService _cs;
+            private readonly DiscordSocketClient _client;
+            private readonly GamesConfigService _gamesConf;
+
+            public AnimalRacingCommands(ICurrencyService cs, DiscordSocketClient client,
+                GamblingConfigService gamblingConf, GamesConfigService gamesConf) : base(gamblingConf) 
+            {
+                _cs = cs;
+                _client = client;
+                _gamesConf = gamesConf;
+            }
+
+            private IUserMessage raceMessage = null;
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [NadekoOptionsAttribute(typeof(RaceOptions))]
+            public Task Race(params string[] args)
+            {
+                var (options, success) = OptionsParser.ParseFrom(new RaceOptions(), args);
+
+                var ar = new AnimalRace(options, _cs, _gamesConf.Data.RaceAnimals.Shuffle());
+                if (!_service.AnimalRaces.TryAdd(ctx.Guild.Id, ar))
+                    return ctx.Channel.SendErrorAsync(GetText("animal_race"), GetText("animal_race_already_started"));
+
+                ar.Initialize();
+
+                var count = 0;
+                Task _client_MessageReceived(SocketMessage arg)
+                {
+                    var _ = Task.Run(() =>
+                    {
+                        try
+                        {
+                            if (arg.Channel.Id == ctx.Channel.Id)
+                            {
+                                if (ar.CurrentPhase == AnimalRace.Phase.Running && ++count % 9 == 0)
+                                {
+                                    raceMessage = null;
+                                }
+                            }
+                        }
+                        catch { }
+                    });
+                    return Task.CompletedTask;
+                }
+
+                Task Ar_OnEnded(AnimalRace race)
+                {
+                    _client.MessageReceived -= _client_MessageReceived;
+                    _service.AnimalRaces.TryRemove(ctx.Guild.Id, out _);
+                    var winner = race.FinishedUsers[0];
+                    if (race.FinishedUsers[0].Bet > 0)
+                    {
+                        return ctx.Channel.SendConfirmAsync(GetText("animal_race"),
+                                            GetText("animal_race_won_money", Format.Bold(winner.Username),
+                                                winner.Animal.Icon, (race.FinishedUsers[0].Bet * (race.Users.Count - 1)) + CurrencySign));
+                    }
+                    else
+                    {
+                        return ctx.Channel.SendConfirmAsync(GetText("animal_race"),
+                            GetText("animal_race_won", Format.Bold(winner.Username), winner.Animal.Icon));
+                    }
+                }
+
+                ar.OnStartingFailed += Ar_OnStartingFailed;
+                ar.OnStateUpdate += Ar_OnStateUpdate;
+                ar.OnEnded += Ar_OnEnded;
+                ar.OnStarted += Ar_OnStarted;
+                _client.MessageReceived += _client_MessageReceived;
+
+                return ctx.Channel.SendConfirmAsync(GetText("animal_race"), GetText("animal_race_starting", options.StartTime),
+                                    footer: GetText("animal_race_join_instr", Prefix));
+            }
+
+            private Task Ar_OnStarted(AnimalRace race)
+            {
+                if (race.Users.Count == race.MaxUsers)
+                    return ctx.Channel.SendConfirmAsync(GetText("animal_race"), GetText("animal_race_full"));
+                else
+                    return ctx.Channel.SendConfirmAsync(GetText("animal_race"), GetText("animal_race_starting_with_x", race.Users.Count));
+            }
+
+            private async Task Ar_OnStateUpdate(AnimalRace race)
+            {
+                var text = $@"|🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🔚|
+{String.Join("\n", race.Users.Select(p =>
+                {
+                    var index = race.FinishedUsers.IndexOf(p);
+                    var extra = (index == -1 ? "" : $"#{index + 1} {(index == 0 ? "🏆" : "")}");
+                    return $"{(int)(p.Progress / 60f * 100),-2}%|{new string('‣', p.Progress) + p.Animal.Icon + extra}";
+                }))}
+|🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🏁🔚|";
+
+                var msg = raceMessage;
+
+                if (msg == null)
+                    raceMessage = await ctx.Channel.SendConfirmAsync(text)
+                        .ConfigureAwait(false);
+                else
+                    await msg.ModifyAsync(x => x.Embed = new EmbedBuilder()
+                        .WithTitle(GetText("animal_race"))
+                        .WithDescription(text)
+                        .WithOkColor()
+                        .Build())
+                            .ConfigureAwait(false);
+            }
+
+            private Task Ar_OnStartingFailed(AnimalRace race)
+            {
+                _service.AnimalRaces.TryRemove(ctx.Guild.Id, out _);
+                return ReplyErrorLocalizedAsync("animal_race_failed");
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task JoinRace(ShmartNumber amount = default)
+            {
+                if (!await CheckBetOptional(amount).ConfigureAwait(false))
+                    return;
+
+                if (!_service.AnimalRaces.TryGetValue(ctx.Guild.Id, out var ar))
+                {
+                    await ReplyErrorLocalizedAsync("race_not_exist").ConfigureAwait(false);
+                    return;
+                }
+                try
+                {
+                    var user = await ar.JoinRace(ctx.User.Id, ctx.User.ToString(), amount)
+                        .ConfigureAwait(false);
+                    if (amount > 0)
+                        await ctx.Channel.SendConfirmAsync(GetText("animal_race_join_bet", ctx.User.Mention, user.Animal.Icon, amount + CurrencySign)).ConfigureAwait(false);
+                    else
+                        await ctx.Channel.SendConfirmAsync(GetText("animal_race_join", ctx.User.Mention, user.Animal.Icon)).ConfigureAwait(false);
+                }
+                catch (ArgumentOutOfRangeException)
+                {
+                    //ignore if user inputed an invalid amount
+                }
+                catch (AlreadyJoinedException)
+                {
+                    // just ignore this
+                }
+                catch (AlreadyStartedException)
+                {
+                    //ignore
+                }
+                catch (AnimalRaceFullException)
+                {
+                    await ctx.Channel.SendConfirmAsync(GetText("animal_race"), GetText("animal_race_full"))
+                        .ConfigureAwait(false);
+                }
+                catch (NotEnoughFundsException)
+                {
+                    await ctx.Channel.SendErrorAsync(GetText("not_enough", CurrencySign)).ConfigureAwait(false);
+                }
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/BlackJackCommands.cs

@@ -0,0 +1,193 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Common.Blackjack;
+using NadekoBot.Core.Modules.Gambling.Services;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using System.Linq;
+using System.Threading.Tasks;
+using Serilog;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        public class BlackJackCommands : GamblingSubmodule<BlackJackService>
+        {
+            private readonly ICurrencyService _cs;
+            private readonly DbService _db;
+            private IUserMessage _msg;
+
+            public enum BjAction
+            {
+                Hit = int.MinValue,
+                Stand,
+                Double,
+            }
+
+            public BlackJackCommands(ICurrencyService cs, DbService db,
+                GamblingConfigService gamblingConf) : base(gamblingConf) 
+            {
+                _cs = cs;
+                _db = db;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task BlackJack(ShmartNumber amount)
+            {
+                if (!await CheckBetMandatory(amount).ConfigureAwait(false))
+                    return;
+
+                var newBj = new Blackjack(_cs, _db);
+                Blackjack bj;
+                if (newBj == (bj = _service.Games.GetOrAdd(ctx.Channel.Id, newBj)))
+                {
+                    if (!await bj.Join(ctx.User, amount).ConfigureAwait(false))
+                    {
+                        _service.Games.TryRemove(ctx.Channel.Id, out _);
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                        return;
+                    }
+                    bj.StateUpdated += Bj_StateUpdated;
+                    bj.GameEnded += Bj_GameEnded;
+                    bj.Start();
+
+                    await ReplyConfirmLocalizedAsync("bj_created").ConfigureAwait(false);
+                }
+                else
+                {
+                    if (await bj.Join(ctx.User, amount).ConfigureAwait(false))
+                        await ReplyConfirmLocalizedAsync("bj_joined").ConfigureAwait(false);
+                    else
+                    {
+                        Log.Information($"{ctx.User} can't join a blackjack game as it's in " + bj.State.ToString() + " state already.");
+                    }
+                }
+
+                await ctx.Message.DeleteAsync().ConfigureAwait(false);
+            }
+
+            private Task Bj_GameEnded(Blackjack arg)
+            {
+                _service.Games.TryRemove(ctx.Channel.Id, out _);
+                return Task.CompletedTask;
+            }
+
+            private async Task Bj_StateUpdated(Blackjack bj)
+            {
+                try
+                {
+                    if (_msg != null)
+                    {
+                        var _ = _msg.DeleteAsync();
+                    }
+
+                    var c = bj.Dealer.Cards.Select(x => x.GetEmojiString());
+                    var dealerIcon = "❔ ";
+                    if (bj.State == Blackjack.GameState.Ended)
+                    {
+                        if (bj.Dealer.GetHandValue() == 21)
+                            dealerIcon = "💰 ";
+                        else if (bj.Dealer.GetHandValue() > 21)
+                            dealerIcon = "💥 ";
+                        else
+                            dealerIcon = "🏁 ";
+                    }
+
+                    var cStr = string.Concat(c.Select(x => x.Substring(0, x.Length - 1) + " "));
+                    cStr += "\n" + string.Concat(c.Select(x => x.Last() + " "));
+                    var embed = new EmbedBuilder()
+                        .WithOkColor()
+                        .WithTitle("BlackJack")
+                        .AddField($"{dealerIcon} Dealer's Hand | Value: {bj.Dealer.GetHandValue()}", cStr);
+
+                    if (bj.CurrentUser != null)
+                    {
+                        embed.WithFooter($"Player to make a choice: {bj.CurrentUser.DiscordUser.ToString()}");
+                    }
+
+                    foreach (var p in bj.Players)
+                    {
+                        c = p.Cards.Select(x => x.GetEmojiString());
+                        cStr = "-\t" + string.Concat(c.Select(x => x.Substring(0, x.Length - 1) + " "));
+                        cStr += "\n-\t" + string.Concat(c.Select(x => x.Last() + " "));
+                        var full = $"{p.DiscordUser.ToString().TrimTo(20)} | Bet: {p.Bet} | Value: {p.GetHandValue()}";
+                        if (bj.State == Blackjack.GameState.Ended)
+                        {
+                            if (p.State == User.UserState.Lost)
+                            {
+                                full = "❌ " + full;
+                            }
+                            else
+                            {
+                                full = "✅ " + full;
+                            }
+                        }
+                        else if (p == bj.CurrentUser)
+                            full = "▶ " + full;
+                        else if (p.State == User.UserState.Stand)
+                            full = "⏹ " + full;
+                        else if (p.State == User.UserState.Bust)
+                            full = "💥 " + full;
+                        else if (p.State == User.UserState.Blackjack)
+                            full = "💰 " + full;
+                        embed.AddField(full, cStr);
+                    }
+                    _msg = await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+                }
+                catch
+                {
+
+                }
+            }
+
+            private string UserToString(User x)
+            {
+                var playerName = x.State == User.UserState.Bust ?
+                    Format.Strikethrough(x.DiscordUser.ToString().TrimTo(30)) :
+                    x.DiscordUser.ToString();
+
+                var hand = $"{string.Concat(x.Cards.Select(y => "〖" + y.GetEmojiString() + "〗"))}";
+
+
+                return $"{playerName} | Bet: {x.Bet}\n";
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public Task Hit() => InternalBlackJack(BjAction.Hit);
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public Task Stand() => InternalBlackJack(BjAction.Stand);
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public Task Double() => InternalBlackJack(BjAction.Double);
+
+            public async Task InternalBlackJack(BjAction a)
+            {
+                if (!_service.Games.TryGetValue(ctx.Channel.Id, out var bj))
+                    return;
+
+                if (a == BjAction.Hit)
+                    await bj.Hit(ctx.User).ConfigureAwait(false);
+                else if (a == BjAction.Stand)
+                    await bj.Stand(ctx.User).ConfigureAwait(false);
+                else if (a == BjAction.Double)
+                {
+                    if (!await bj.Double(ctx.User).ConfigureAwait(false))
+                    {
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                    }
+                }
+
+                await ctx.Message.DeleteAsync().ConfigureAwait(false);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/AnimalRace.cs

@@ -0,0 +1,163 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NadekoBot.Common;
+using NadekoBot.Core.Modules.Gambling.Common.AnimalRacing;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions;
+using NadekoBot.Modules.Games.Common;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing
+{
+    public sealed class AnimalRace : IDisposable
+    {
+        public enum Phase
+        {
+            WaitingForPlayers,
+            Running,
+            Ended,
+        }
+
+        public Phase CurrentPhase { get; private set; } = Phase.WaitingForPlayers;
+
+        public event Func<AnimalRace, Task> OnStarted = delegate { return Task.CompletedTask; };
+        public event Func<AnimalRace, Task> OnStartingFailed = delegate { return Task.CompletedTask; };
+        public event Func<AnimalRace, Task> OnStateUpdate = delegate { return Task.CompletedTask; };
+        public event Func<AnimalRace, Task> OnEnded = delegate { return Task.CompletedTask; };
+
+        public IReadOnlyCollection<AnimalRacingUser> Users => _users.ToList();
+        public List<AnimalRacingUser> FinishedUsers { get; } = new List<AnimalRacingUser>();
+
+        private readonly SemaphoreSlim _locker = new SemaphoreSlim(1, 1);
+        private readonly HashSet<AnimalRacingUser> _users = new HashSet<AnimalRacingUser>();
+        private readonly ICurrencyService _currency;
+        private readonly RaceOptions _options;
+        private readonly Queue<RaceAnimal> _animalsQueue;
+        public int MaxUsers { get; }
+
+        public AnimalRace(RaceOptions options, ICurrencyService currency, IEnumerable<RaceAnimal> availableAnimals)
+        {
+            this._currency = currency;
+            this._options = options;
+            this._animalsQueue = new Queue<RaceAnimal>(availableAnimals);
+            this.MaxUsers = _animalsQueue.Count;
+
+            if (this._animalsQueue.Count == 0)
+                CurrentPhase = Phase.Ended;
+        }
+
+        public void Initialize() //lame name
+        {
+            var _t = Task.Run(async () =>
+            {
+                await Task.Delay(_options.StartTime * 1000).ConfigureAwait(false);
+
+                await _locker.WaitAsync().ConfigureAwait(false);
+                try
+                {
+                    if (CurrentPhase != Phase.WaitingForPlayers)
+                        return;
+
+                    await Start().ConfigureAwait(false);
+                }
+                finally { _locker.Release(); }
+            });
+        }
+
+        public async Task<AnimalRacingUser> JoinRace(ulong userId, string userName, long bet = 0)
+        {
+            if (bet < 0)
+                throw new ArgumentOutOfRangeException(nameof(bet));
+
+            var user = new AnimalRacingUser(userName, userId, bet);
+
+            await _locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (_users.Count == MaxUsers)
+                    throw new AnimalRaceFullException();
+
+                if (CurrentPhase != Phase.WaitingForPlayers)
+                    throw new AlreadyStartedException();
+
+                if (!await _currency.RemoveAsync(userId, "BetRace", bet).ConfigureAwait(false))
+                    throw new NotEnoughFundsException();
+
+                if (_users.Contains(user))
+                    throw new AlreadyJoinedException();
+
+                var animal = _animalsQueue.Dequeue();
+                user.Animal = animal;
+                _users.Add(user);
+
+                if (_animalsQueue.Count == 0) //start if no more spots left
+                    await Start().ConfigureAwait(false);
+
+                return user;
+            }
+            finally { _locker.Release(); }
+        }
+
+        private async Task Start()
+        {
+            CurrentPhase = Phase.Running;
+            if (_users.Count <= 1)
+            {
+                foreach (var user in _users)
+                {
+                    if (user.Bet > 0)
+                        await _currency.AddAsync(user.UserId, "Race refund", user.Bet).ConfigureAwait(false);
+                }
+
+                var _sf = OnStartingFailed?.Invoke(this);
+                CurrentPhase = Phase.Ended;
+                return;
+            }
+
+            var _ = OnStarted?.Invoke(this);
+            var _t = Task.Run(async () =>
+            {
+                var rng = new NadekoRandom();
+                while (!_users.All(x => x.Progress >= 60))
+                {
+                    foreach (var user in _users)
+                    {
+                        user.Progress += rng.Next(1, 11);
+                        if (user.Progress >= 60)
+                            user.Progress = 60;
+                    }
+
+                    var finished = _users.Where(x => x.Progress >= 60 && !FinishedUsers.Contains(x))
+                        .Shuffle();
+
+                    FinishedUsers.AddRange(finished);
+
+                    var _ignore = OnStateUpdate?.Invoke(this);
+                    await Task.Delay(2500).ConfigureAwait(false);
+                }
+
+                if (FinishedUsers[0].Bet > 0)
+                    await _currency.AddAsync(FinishedUsers[0].UserId, "Won a Race", FinishedUsers[0].Bet * (_users.Count - 1))
+                        .ConfigureAwait(false);
+
+                var _ended = OnEnded?.Invoke(this);
+            });
+        }
+
+        public void Dispose()
+        {
+            CurrentPhase = Phase.Ended;
+            OnStarted = null;
+            OnEnded = null;
+            OnStartingFailed = null;
+            OnStateUpdate = null;
+            _locker.Dispose();
+            _users.Clear();
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/AnimalRacingUser.cs

@@ -0,0 +1,32 @@
+using NadekoBot.Modules.Games.Common;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing
+{
+    public class AnimalRacingUser
+    {
+        public long Bet { get; }
+        public string Username { get; }
+        public ulong UserId { get; }
+        public RaceAnimal Animal { get; set; }
+        public int Progress { get; set; }
+
+        public AnimalRacingUser(string username, ulong userId, long bet)
+        {
+            this.Bet = bet;
+            this.Username = username;
+            this.UserId = userId;
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is AnimalRacingUser x
+                ? x.UserId == this.UserId
+                : false;
+        }
+
+        public override int GetHashCode()
+        {
+            return this.UserId.GetHashCode();
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/Exceptions/AlreadyJoinedException.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions
+{
+    public class AlreadyJoinedException : Exception
+    {
+        public AlreadyJoinedException()
+        {
+
+        }
+
+        public AlreadyJoinedException(string message) : base(message)
+        {
+        }
+
+        public AlreadyJoinedException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/Exceptions/AlreadyStartedException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions
+{
+    public class AlreadyStartedException : Exception
+    {
+        public AlreadyStartedException()
+        {
+        }
+
+        public AlreadyStartedException(string message) : base(message)
+        {
+        }
+
+        public AlreadyStartedException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/Exceptions/AnimalRaceFullException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions
+{
+    public class AnimalRaceFullException : Exception
+    {
+        public AnimalRaceFullException()
+        {
+        }
+
+        public AnimalRaceFullException(string message) : base(message)
+        {
+        }
+
+        public AnimalRaceFullException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/Exceptions/NotEnoughFundsException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace NadekoBot.Modules.Gambling.Common.AnimalRacing.Exceptions
+{
+    public class NotEnoughFundsException : Exception
+    {
+        public NotEnoughFundsException()
+        {
+        }
+
+        public NotEnoughFundsException(string message) : base(message)
+        {
+        }
+
+        public NotEnoughFundsException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/RaceOptions.cs

@@ -0,0 +1,17 @@
+using CommandLine;
+using NadekoBot.Core.Common;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.AnimalRacing
+{
+    public class RaceOptions : INadekoCommandOptions
+    {
+        [Option('s', "start-time", Default = 20, Required = false)]
+        public int StartTime { get; set; } = 20;
+
+        public void NormalizeOptions()
+        {
+            if (this.StartTime < 10 || this.StartTime > 120)
+                this.StartTime = 20;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/BetRoll.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Linq;
+
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public class Betroll
+    {
+        public class Result
+        {
+            public int Roll { get; set; }
+            public float Multiplier { get; set; }
+            public int Threshold { get; set; }
+        }
+
+
+        private readonly IOrderedEnumerable<GamblingConfig.BetRollConfig.Pair> _thresholdPairs;
+        private readonly Random _rng;
+        
+        public Betroll(GamblingConfig.BetRollConfig settings)
+        {
+            _thresholdPairs = settings.Pairs.OrderByDescending(x => x.WhenAbove);
+            _rng = new Random();
+        }
+
+        public Result Roll()
+        {
+            var roll = _rng.Next(0, 101);
+
+            var pair = _thresholdPairs.FirstOrDefault(x => x.WhenAbove < roll);
+            if (pair is null)
+            {
+                return new Result
+                {
+                    Multiplier = 0,
+                    Roll = roll,
+                };
+            }
+
+            return new Result
+            {
+                Multiplier = pair.MultiplyBy,
+                Roll = roll,
+                Threshold = pair.WhenAbove,
+            };
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Blackjack/Blackjack.cs

@@ -0,0 +1,353 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Discord;
+using NadekoBot.Core.Services;
+using NadekoBot.Modules.Gambling.Common;
+using Serilog;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Blackjack
+{
+    public class Blackjack
+    {
+        public enum GameState
+        {
+            Starting,
+            Playing,
+            Ended
+        }
+
+        private Deck Deck { get; set; } = new QuadDeck();
+        public Dealer Dealer { get; set; }
+
+        
+        public List<User> Players { get; set; } = new List<User>();
+        public GameState State { get; set; } = GameState.Starting;
+        public User CurrentUser { get; private set; }
+
+        private TaskCompletionSource<bool> _currentUserMove;
+        private readonly ICurrencyService _cs;
+        private readonly DbService _db;
+
+        public event Func<Blackjack, Task> StateUpdated;
+        public event Func<Blackjack, Task> GameEnded;
+
+        private readonly SemaphoreSlim locker = new SemaphoreSlim(1, 1);
+
+        public Blackjack(ICurrencyService cs, DbService db)
+        {
+            _cs = cs;
+            _db = db;
+            Dealer = new Dealer();
+        }
+
+        public void Start()
+        {
+            var _ = GameLoop();
+        }
+
+        public async Task GameLoop()
+        {
+            try
+            {
+                //wait for players to join
+                await Task.Delay(20000).ConfigureAwait(false);
+                await locker.WaitAsync().ConfigureAwait(false);
+                try
+                {
+                    State = GameState.Playing;
+                }
+                finally
+                {
+                    locker.Release();
+                }
+                await PrintState().ConfigureAwait(false);
+                //if no users joined the game, end it
+                if (!Players.Any())
+                {
+                    State = GameState.Ended;
+                    var end = GameEnded?.Invoke(this);
+                    return;
+                }
+                //give 1 card to the dealer and 2 to each player
+                Dealer.Cards.Add(Deck.Draw());
+                foreach (var usr in Players)
+                {
+                    usr.Cards.Add(Deck.Draw());
+                    usr.Cards.Add(Deck.Draw());
+
+                    if (usr.GetHandValue() == 21)
+                        usr.State = User.UserState.Blackjack;
+                }
+                //go through all users and ask them what they want to do
+                foreach (var usr in Players.Where(x => !x.Done))
+                {
+                    while (!usr.Done)
+                    {
+                        Log.Information($"Waiting for {usr.DiscordUser}'s move");
+                        await PromptUserMove(usr).ConfigureAwait(false);
+                    }
+                }
+                await PrintState().ConfigureAwait(false);
+                State = GameState.Ended;
+                await Task.Delay(2500).ConfigureAwait(false);
+                Log.Information("Dealer moves");
+                await DealerMoves().ConfigureAwait(false);
+                await PrintState().ConfigureAwait(false);
+                var _ = GameEnded?.Invoke(this);
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "REPORT THE MESSAGE BELOW IN #NadekoLog SERVER PLEASE");
+                State = GameState.Ended;
+                var _ = GameEnded?.Invoke(this);
+            }
+        }
+
+        private async Task PromptUserMove(User usr)
+        {
+            var pause = Task.Delay(20000); //10 seconds to decide
+            CurrentUser = usr;
+            _currentUserMove = new TaskCompletionSource<bool>();
+            await PrintState().ConfigureAwait(false);
+            // either wait for the user to make an action and
+            // if he doesn't - stand
+            var finished = await Task.WhenAny(pause, _currentUserMove.Task).ConfigureAwait(false);
+            if (finished == pause)
+            {
+                await Stand(usr).ConfigureAwait(false);
+            }
+            CurrentUser = null;
+            _currentUserMove = null;
+        }
+
+        public async Task<bool> Join(IUser user, long bet)
+        {
+            await locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (State != GameState.Starting)
+                    return false;
+
+                if (Players.Count >= 5)
+                    return false;
+
+                if (!await _cs.RemoveAsync(user, "BlackJack-gamble", bet, gamble: true).ConfigureAwait(false))
+                {
+                    return false;
+                }
+
+                Players.Add(new User(user, bet));
+                var _ = PrintState();
+                return true;
+            }
+            finally
+            {
+                locker.Release();
+            }
+        }
+
+        public async Task<bool> Stand(IUser u)
+        {
+            var cu = CurrentUser;
+
+            if (cu != null && cu.DiscordUser == u)
+                return await Stand(cu).ConfigureAwait(false);
+            
+            return false;
+        }
+
+        public async Task<bool> Stand(User u)
+        {
+            await locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (State != GameState.Playing)
+                    return false;
+
+                if (CurrentUser != u)
+                    return false;
+
+                u.State = User.UserState.Stand;
+                _currentUserMove.TrySetResult(true);
+                return true;
+            }
+            finally
+            {
+                locker.Release();
+            }
+        }
+
+        private async Task DealerMoves()
+        {
+            var hw = Dealer.GetHandValue();
+            while (hw < 17
+                || (hw == 17 && Dealer.Cards.Count(x => x.Number == 1) > (Dealer.GetRawHandValue() - 17) / 10))// hit on soft 17
+            {
+                /* Dealer has
+                     A 6
+                     That's 17, soft
+                     hw == 17 => true
+                     number of aces = 1
+                     1 > 17-17 /10 => true
+                    
+                     AA 5
+                     That's 17, again soft, since one ace is worth 11, even though another one is 1
+                     hw == 17 => true
+                     number of aces = 2
+                     2 > 27 - 17 / 10 => true
+
+                     AA Q 5
+                     That's 17, but not soft, since both aces are worth 1
+                     hw == 17 => true
+                     number of aces = 2
+                     2 > 37 - 17 / 10 => false
+                 * */
+                Dealer.Cards.Add(Deck.Draw());
+                hw = Dealer.GetHandValue();
+            }
+
+            if (hw > 21)
+            {
+                foreach (var usr in Players)
+                {
+                    if (usr.State == User.UserState.Stand || usr.State == User.UserState.Blackjack)
+                        usr.State = User.UserState.Won;
+                    else
+                        usr.State = User.UserState.Lost;
+                }
+            }
+            else
+            {
+                foreach (var usr in Players)
+                {
+                    if (usr.State == User.UserState.Blackjack)
+                        usr.State = User.UserState.Won;
+                    else if (usr.State == User.UserState.Stand)
+                        usr.State = hw < usr.GetHandValue()
+                            ? User.UserState.Won
+                            : User.UserState.Lost;
+                    else
+                        usr.State = User.UserState.Lost;
+                }
+            }
+
+            foreach (var usr in Players)
+            {
+                if (usr.State == User.UserState.Won || usr.State == User.UserState.Blackjack)
+                {
+                    await _cs.AddAsync(usr.DiscordUser.Id, "BlackJack-win", usr.Bet * 2, gamble: true).ConfigureAwait(false);
+                }
+            }
+        }
+
+        public async Task<bool> Double(IUser u)
+        {
+            var cu = CurrentUser;
+
+            if (cu != null && cu.DiscordUser == u)
+                return await Double(cu).ConfigureAwait(false);
+            
+            return false;
+        }
+
+        public async Task<bool> Double(User u)
+        {
+            await locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (State != GameState.Playing)
+                    return false;
+
+                if (CurrentUser != u)
+                    return false;
+
+                if (!await _cs.RemoveAsync(u.DiscordUser.Id, "Blackjack-double", u.Bet).ConfigureAwait(false))
+                    return false;
+
+                u.Bet *= 2;
+
+                u.Cards.Add(Deck.Draw());
+
+                if (u.GetHandValue() == 21)
+                {
+                    //blackjack
+                    u.State = User.UserState.Blackjack;
+                }
+                else if (u.GetHandValue() > 21)
+                {
+                    // user busted
+                    u.State = User.UserState.Bust;
+                }
+                else
+                {
+                    //with double you just get one card, and then you're done
+                    u.State = User.UserState.Stand;
+                }
+                _currentUserMove.TrySetResult(true);
+
+                return true;
+            }
+            finally
+            {
+                locker.Release();
+            }
+        }
+
+        public async Task<bool> Hit(IUser u)
+        {
+            var cu = CurrentUser;
+
+            if (cu != null && cu.DiscordUser == u)
+                return await Hit(cu).ConfigureAwait(false);
+
+            return false;
+        }
+
+        public async Task<bool> Hit(User u)
+        {
+            await locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (State != GameState.Playing)
+                    return false;
+
+                if (CurrentUser != u)
+                    return false;
+
+                u.Cards.Add(Deck.Draw());
+
+                if (u.GetHandValue() == 21)
+                {
+                    //blackjack
+                    u.State = User.UserState.Blackjack;
+                }
+                else if (u.GetHandValue() > 21)
+                {
+                    // user busted
+                    u.State = User.UserState.Bust;
+                }
+                else
+                {
+                    //you can hit or stand again
+                }
+                _currentUserMove.TrySetResult(true);
+
+                return true;
+            }
+            finally
+            {
+                locker.Release();
+            }
+        }
+
+        public Task PrintState()
+        {
+            if (StateUpdated == null)
+                return Task.CompletedTask;
+            return StateUpdated.Invoke(this);
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Blackjack/Player.cs

@@ -0,0 +1,65 @@
+using Discord;
+using NadekoBot.Modules.Gambling.Common;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Blackjack
+{
+    public abstract class Player
+    {
+        public List<Deck.Card> Cards { get; } = new List<Deck.Card>();
+
+        public int GetHandValue()
+        {
+            var val = GetRawHandValue();
+
+            // while the hand value is greater than 21, for each ace you have in the deck
+            // reduce the value by 10 until it drops below 22
+            // (emulating the fact that ace is either a 1 or a 11)
+            var i = Cards.Count(x => x.Number == 1);
+            while (val > 21 && i-- > 0)
+            {
+                val -= 10;
+            }
+            return val;
+        }
+
+        public int GetRawHandValue()
+        {
+            return Cards.Sum(x => x.Number == 1 ? 11 : x.Number >= 10 ? 10 : x.Number);
+        }
+    }
+
+    public class Dealer : Player
+    {
+
+    }
+
+    public class User : Player
+    {
+        public enum UserState
+        {
+            Waiting,
+            Stand,
+            Bust,
+            Blackjack,
+            Won,
+            Lost
+        }
+
+        public User(IUser user, long bet)
+        {
+            if (bet <= 0)
+                throw new ArgumentOutOfRangeException(nameof(bet));
+
+            this.Bet = bet;
+            this.DiscordUser = user;
+        }
+
+        public UserState State { get; set; } = UserState.Waiting;
+        public long Bet { get; set; }
+        public IUser DiscordUser { get; }
+        public bool Done => State != UserState.Waiting;
+    }
+}

src/NadekoBot/Modules/Gambling/Common/CurrencyRaffleGame.cs

@@ -0,0 +1,81 @@
+using Discord;
+using NadekoBot.Common;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public class CurrencyRaffleGame
+    {
+        public enum Type {
+            Mixed,
+            Normal
+        }
+
+        public class User
+        {
+            public IUser DiscordUser { get; set; }
+            public long Amount { get; set; }
+
+            public override int GetHashCode()
+            {
+                return DiscordUser.GetHashCode();
+            }
+
+            public override bool Equals(object obj)
+            {
+                return obj is User u
+                    ? u.DiscordUser == DiscordUser
+                    : false;
+            }
+        }
+
+        private readonly HashSet<User> _users = new HashSet<User>();
+        public IEnumerable<User> Users => _users;
+        public Type GameType { get; }
+
+        public CurrencyRaffleGame(Type type)
+        {
+            GameType = type;
+        }
+
+        public bool AddUser(IUser usr, long amount)
+        {
+            // if game type is normal, and someone already joined the game 
+            // (that's the user who created it)
+            if (GameType == Type.Normal && _users.Count > 0 &&
+                _users.First().Amount != amount)
+                return false;
+
+            if (!_users.Add(new User
+            {
+                DiscordUser = usr,
+                Amount = amount,
+            }))
+            {
+                return false;
+            }
+            
+            return true;
+        }
+
+        public User GetWinner()
+        {
+            var rng = new NadekoRandom();
+            if (GameType == Type.Mixed)
+            {
+                var num = rng.NextLong(0L, Users.Sum(x => x.Amount));
+                var sum = 0L;
+                foreach (var u in Users)
+                {
+                    sum += u.Amount;
+                    if (sum > num)
+                        return u;
+                }
+            }
+
+            var usrs = _users.ToArray();
+            return usrs[rng.Next(0, usrs.Length)];
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Deck.cs

@@ -0,0 +1,312 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NadekoBot.Common;
+using NadekoBot.Extensions;
+
+namespace NadekoBot.Modules.Gambling.Common
+{
+    public class QuadDeck : Deck
+    {
+        protected override void RefillPool()
+        {
+            CardPool = new List<Card>(52 * 4);
+            for (var j = 1; j < 14; j++)
+            {
+                for (var i = 1; i < 5; i++)
+                {
+                    CardPool.Add(new Card((CardSuit)i, j));
+                    CardPool.Add(new Card((CardSuit)i, j));
+                    CardPool.Add(new Card((CardSuit)i, j));
+                    CardPool.Add(new Card((CardSuit)i, j));
+                }
+            }
+        }
+    }
+
+    public class Deck
+    {
+        private static readonly Dictionary<int, string> cardNames = new Dictionary<int, string>() {
+            { 1, "Ace" },
+            { 2, "Two" },
+            { 3, "Three" },
+            { 4, "Four" },
+            { 5, "Five" },
+            { 6, "Six" },
+            { 7, "Seven" },
+            { 8, "Eight" },
+            { 9, "Nine" },
+            { 10, "Ten" },
+            { 11, "Jack" },
+            { 12, "Queen" },
+            { 13, "King" }
+        };
+        private static Dictionary<string, Func<List<Card>, bool>> handValues;
+
+
+        public enum CardSuit
+        {
+            Spades = 1,
+            Hearts = 2,
+            Diamonds = 3,
+            Clubs = 4
+        }
+
+        public class Card : IComparable
+        {
+            public CardSuit Suit { get; }
+            public int Number { get; }
+
+            public string FullName
+            {
+                get
+                {
+                    var str = "";
+
+                    if (Number <= 10 && Number > 1)
+                    {
+                        str += "_" + Number;
+                    }
+                    else
+                    {
+                        str += GetValueText().ToLowerInvariant();
+                    }
+                    return str + "_of_" + Suit.ToString().ToLowerInvariant();
+                }
+            }
+
+            public Card(CardSuit s, int cardNum)
+            {
+                this.Suit = s;
+                this.Number = cardNum;
+            }
+
+            public string GetValueText() => cardNames[Number];
+
+            public override string ToString() => cardNames[Number] + " Of " + Suit;
+
+            public int CompareTo(object obj)
+            {
+                if (!(obj is Card)) return 0;
+                var c = (Card)obj;
+                return this.Number - c.Number;
+            }
+
+            public static Card Parse(string input)
+            {
+                if (string.IsNullOrWhiteSpace(input))
+                    throw new ArgumentNullException(nameof(input));
+
+                if (input.Length != 2
+                    || !_numberCharToNumber.TryGetValue(input[0], out var n)
+                    || !_suitCharToSuit.TryGetValue(input[1].ToString(), out var s))
+                {
+                    throw new ArgumentException("Invalid input", nameof(input));
+                }
+
+                return new Card(s, n);
+            }
+
+            public string GetEmojiString()
+            {
+                var str = "";
+
+                str += _regIndicators[this.Number - 1];
+                str += _suitToSuitChar[this.Suit];
+
+                return str;
+            }
+            private readonly string[] _regIndicators = new[]
+            {
+                "🇦",
+                ":two:",
+                ":three:",
+                ":four:",
+                ":five:",
+                ":six:",
+                ":seven:",
+                ":eight:",
+                ":nine:",
+                ":keycap_ten:",
+                "🇯",
+                "🇶",
+                "🇰"
+            };
+            private static readonly IReadOnlyDictionary<CardSuit, string> _suitToSuitChar = new Dictionary<CardSuit, string>
+            {
+                {CardSuit.Diamonds, "♦"},
+                {CardSuit.Clubs, "♣"},
+                {CardSuit.Spades, "♠"},
+                {CardSuit.Hearts, "♥"},
+            };
+            private static IReadOnlyDictionary<string, CardSuit> _suitCharToSuit = new Dictionary<string, CardSuit>
+            {
+                {"♦", CardSuit.Diamonds },
+                {"d", CardSuit.Diamonds },
+                {"♣", CardSuit.Clubs },
+                {"c", CardSuit.Clubs },
+                {"♠", CardSuit.Spades },
+                {"s", CardSuit.Spades },
+                {"♥", CardSuit.Hearts },
+                {"h", CardSuit.Hearts },
+            };
+            private static IReadOnlyDictionary<char, int> _numberCharToNumber = new Dictionary<char, int>()
+            {
+                {'a', 1 },
+                {'2', 2 },
+                {'3', 3 },
+                {'4', 4 },
+                {'5', 5 },
+                {'6', 6 },
+                {'7', 7 },
+                {'8', 8 },
+                {'9', 9 },
+                {'t', 10 },
+                {'j', 11 },
+                {'q', 12 },
+                {'k', 13 },
+            };
+        }
+
+        public List<Card> CardPool { get; set; }
+        /// <summary>
+        /// Creates a new instance of the BlackJackGame, this allows you to create multiple games running at one time.
+        /// </summary>
+        public Deck()
+        {
+            RefillPool();
+        }
+        static Deck()
+        {
+            InitHandValues();
+        }
+        /// <summary>
+        /// Restart the game of blackjack. It will only refill the pool for now. Probably wont be used, unless you want to have only 1 bjg running at one time,
+        /// then you will restart the same game every time.
+        /// </summary>
+        public void Restart() => RefillPool();
+
+        /// <summary>
+        /// Removes all cards from the pool and refills the pool with all of the possible cards. NOTE: I think this is too expensive.
+        /// We should probably make it so it copies another premade list with all the cards, or something.
+        /// </summary>
+        protected virtual void RefillPool()
+        {
+            CardPool = new List<Card>(52);
+            //foreach suit
+            for (var j = 1; j < 14; j++)
+            {
+                // and number
+                for (var i = 1; i < 5; i++)
+                {
+                    //generate a card of that suit and number and add it to the pool
+
+                    // the pool will go from ace of spades,hears,diamonds,clubs all the way to the king of spades. hearts, ...
+                    CardPool.Add(new Card((CardSuit)i, j));
+                }
+            }
+        }
+        private Random r = new NadekoRandom();
+        /// <summary>
+        /// Take a card from the pool, you either take it from the top if the deck is shuffled, or from a random place if the deck is in the default order.
+        /// </summary>
+        /// <returns>A card from the pool</returns>
+        public Card Draw()
+        {
+            if (CardPool.Count == 0)
+                Restart();
+            //you can either do this if your deck is not shuffled
+
+            var num = r.Next(0, CardPool.Count);
+            var c = CardPool[num];
+            CardPool.RemoveAt(num);
+            return c;
+
+            // if you want to shuffle when you fill, then take the first one
+            /*
+            Card c = cardPool[0];
+            cardPool.RemoveAt(0);
+            return c;
+            */
+        }
+        /// <summary>
+        /// Shuffles the deck. Use this if you want to take cards from the top of the deck, instead of randomly. See DrawACard method.
+        /// </summary>
+        private void Shuffle()
+        {
+            if (CardPool.Count <= 1) return;
+            var orderedPool = CardPool.Shuffle();
+            CardPool = CardPool as List<Card> ?? orderedPool.ToList();
+        }
+        public override string ToString() => string.Concat(CardPool.Select(c => c.ToString())) + Environment.NewLine;
+
+        private static void InitHandValues()
+        {
+            bool hasPair(List<Card> cards) => cards.GroupBy(card => card.Number)
+                                                .Count(group => group.Count() == 2) == 1;
+            bool isPair(List<Card> cards) => cards.GroupBy(card => card.Number)
+                                                .Count(group => group.Count() == 3) == 0
+                                           && hasPair(cards);
+
+            bool isTwoPair(List<Card> cards) => cards.GroupBy(card => card.Number)
+                                                .Count(group => group.Count() == 2) == 2;
+
+            bool isStraight(List<Card> cards)
+            {
+                if (cards.GroupBy(card => card.Number).Count() != cards.Count())
+                    return false;
+                var toReturn = (cards.Max(card => (int)card.Number)
+                                    - cards.Min(card => (int)card.Number) == 4);
+                if (toReturn || cards.All(c => c.Number != 1)) return toReturn;
+
+                var newCards = cards.Select(c => c.Number == 1 ? new Card(c.Suit, 14) : c);
+                return (newCards.Max(card => (int)card.Number)
+                        - newCards.Min(card => (int)card.Number) == 4);
+            }
+
+            bool hasThreeOfKind(List<Card> cards) => cards.GroupBy(card => card.Number)
+                                                .Any(group => group.Count() == 3);
+
+            bool isThreeOfKind(List<Card> cards) => hasThreeOfKind(cards) && !hasPair(cards);
+
+            bool isFlush(List<Card> cards) => cards.GroupBy(card => card.Suit).Count() == 1;
+
+            bool isFourOfKind(List<Card> cards) => cards.GroupBy(card => card.Number)
+                                                .Any(group => group.Count() == 4);
+
+            bool isFullHouse(List<Card> cards) => hasPair(cards) && hasThreeOfKind(cards);
+
+            bool hasStraightFlush(List<Card> cards) => isFlush(cards) && isStraight(cards);
+
+            bool isRoyalFlush(List<Card> cards) => cards.Min(card => card.Number) == 1 &&
+                                           cards.Max(card => card.Number) == 13
+                                           && hasStraightFlush(cards);
+
+            bool isStraightFlush(List<Card> cards) => hasStraightFlush(cards) && !isRoyalFlush(cards);
+
+            handValues = new Dictionary<string, Func<List<Card>, bool>>
+            {
+                { "Royal Flush", isRoyalFlush },
+                { "Straight Flush", isStraightFlush },
+                { "Four Of A Kind", isFourOfKind },
+                { "Full House", isFullHouse },
+                { "Flush", isFlush },
+                { "Straight", isStraight },
+                { "Three Of A Kind", isThreeOfKind },
+                { "Two Pairs", isTwoPair },
+                { "A Pair", isPair }
+            };
+        }
+
+        public static string GetHandValue(List<Card> cards)
+        {
+            if (handValues == null)
+                InitHandValues();
+            foreach (var kvp in handValues.Where(x => x.Value(cards)))
+            {
+                return kvp.Key;
+            }
+            return "High card " + (cards.FirstOrDefault(c => c.Number == 1)?.GetValueText() ?? cards.Max().GetValueText());
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Events/EventOptions.cs

@@ -0,0 +1,30 @@
+using CommandLine;
+using NadekoBot.Core.Common;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Events
+{
+    public class EventOptions : INadekoCommandOptions
+    {
+        [Option('a', "amount", Required = false, Default = 100, HelpText = "Amount of currency each user receives.")]
+        public long Amount { get; set; } = 100;
+        [Option('p', "pot-size", Required = false, Default = 0, HelpText = "The maximum amount of currency that can be rewarded. 0 means no limit.")]
+        public long PotSize { get; set; } = 0;
+        //[Option('t', "type", Required = false, Default = "reaction", HelpText = "Type of the event. reaction, gamestatus or joinserver.")]
+        //public string TypeString { get; set; } = "reaction";
+        [Option('d', "duration", Required = false, Default = 24, HelpText = "Number of hours the event should run for. Default 24.")]
+        public int Hours { get; set; } = 24;
+
+
+        public void NormalizeOptions()
+        {
+            if (Amount < 0)
+                Amount = 100;
+            if (PotSize < 0)
+                PotSize = 0;
+            if (Hours <= 0)
+                Hours = 24;
+            if (PotSize != 0 && PotSize < Amount)
+                PotSize = 0;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Events/GameStatusEvent.cs

@@ -0,0 +1,210 @@
+using Discord;
+using Discord.WebSocket;
+using NadekoBot.Common.Collections;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Serilog;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Events
+{
+    public class GameStatusEvent : ICurrencyEvent
+    {
+        private readonly DiscordSocketClient _client;
+        private readonly IGuild _guild;
+        private IUserMessage _msg;
+        private readonly ICurrencyService _cs;
+        private readonly long _amount;
+
+        private long PotSize { get; set; }
+        public bool Stopped { get; private set; }
+        public bool PotEmptied { get; private set; } = false;
+
+        private readonly Func<CurrencyEvent.Type, EventOptions, long, EmbedBuilder> _embedFunc;
+        private readonly bool _isPotLimited;
+        private readonly ITextChannel _channel;
+        private readonly ConcurrentHashSet<ulong> _awardedUsers = new ConcurrentHashSet<ulong>();
+        private readonly ConcurrentQueue<ulong> _toAward = new ConcurrentQueue<ulong>();
+        private readonly Timer _t;
+        private readonly Timer _timeout = null;
+        private readonly EventOptions _opts;
+
+        private readonly string _code;
+
+        public event Func<ulong, Task> OnEnded;
+
+        private readonly char[] _sneakyGameStatusChars = Enumerable.Range(48, 10)
+            .Concat(Enumerable.Range(65, 26))
+            .Concat(Enumerable.Range(97, 26))
+            .Select(x => (char)x)
+            .ToArray();
+
+        public GameStatusEvent(DiscordSocketClient client, ICurrencyService cs,SocketGuild g, ITextChannel ch,
+            EventOptions opt, Func<CurrencyEvent.Type, EventOptions, long, EmbedBuilder> embedFunc)
+        {
+            _client = client;
+            _guild = g;
+            _cs = cs;
+            _amount = opt.Amount;
+            PotSize = opt.PotSize;
+            _embedFunc = embedFunc;
+            _isPotLimited = PotSize > 0;
+            _channel = ch;
+            _opts = opt;
+            // generate code
+            _code = new string(_sneakyGameStatusChars.Shuffle().Take(5).ToArray());
+
+            _t = new Timer(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
+            if (_opts.Hours > 0)
+            {
+                _timeout = new Timer(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
+            }
+        }
+
+        private void EventTimeout(object state)
+        {
+            var _ = StopEvent();
+        }
+
+        private async void OnTimerTick(object state)
+        {
+            var potEmpty = PotEmptied;
+            List<ulong> toAward = new List<ulong>();
+            while (_toAward.TryDequeue(out var x))
+            {
+                toAward.Add(x);
+            }
+
+            if (!toAward.Any())
+                return;
+
+            try
+            {
+                await _cs.AddBulkAsync(toAward,
+                    toAward.Select(x => "GameStatus Event"),
+                    toAward.Select(x => _amount),
+                    gamble: true).ConfigureAwait(false);
+
+                if (_isPotLimited)
+                {
+                    await _msg.ModifyAsync(m =>
+                    {
+                        m.Embed = GetEmbed(PotSize).Build();
+                    }, new RequestOptions() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
+                }
+
+                Log.Information("Awarded {0} users {1} currency.{2}",
+                    toAward.Count,
+                    _amount,
+                    _isPotLimited ? $" {PotSize} left." : "");
+
+                if (potEmpty)
+                {
+                    var _ = StopEvent();
+                }
+
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in OnTimerTick in gamestatusevent");
+            }
+        }
+
+        public async Task StartEvent()
+        {
+            _msg = await _channel.EmbedAsync(GetEmbed(_opts.PotSize)).ConfigureAwait(false);
+            await _client.SetGameAsync(_code).ConfigureAwait(false);
+            _client.MessageDeleted += OnMessageDeleted;
+            _client.MessageReceived += HandleMessage;
+            _t.Change(TimeSpan.FromSeconds(2), TimeSpan.FromSeconds(2));
+        }
+
+        private EmbedBuilder GetEmbed(long pot)
+        {
+            return _embedFunc(CurrencyEvent.Type.GameStatus, _opts, pot);
+        }
+
+        private async Task OnMessageDeleted(Cacheable<IMessage, ulong> msg, ISocketMessageChannel _)
+        {
+            if (msg.Id == _msg.Id)
+            {
+                await StopEvent().ConfigureAwait(false);
+            }
+        }
+
+        private readonly object stopLock = new object();
+        public async Task StopEvent()
+        {
+            await Task.Yield();
+            lock (stopLock)
+            {
+                if (Stopped)
+                    return;
+                Stopped = true;
+                _client.MessageDeleted -= OnMessageDeleted;
+                _client.MessageReceived -= HandleMessage;
+                _client.SetGameAsync(null);
+                _t.Change(Timeout.Infinite, Timeout.Infinite);
+                _timeout?.Change(Timeout.Infinite, Timeout.Infinite);
+                try { var _ = _msg.DeleteAsync(); } catch { }
+                var os = OnEnded(_guild.Id);
+            }
+        }
+
+        private Task HandleMessage(SocketMessage msg)
+        {
+            var _ = Task.Run(async () =>
+            {
+                if (!(msg.Author is IGuildUser gu) // no unknown users, as they could be bots, or alts
+                    || gu.IsBot // no bots
+                    || msg.Content != _code // code has to be the same
+                    || (DateTime.UtcNow - gu.CreatedAt).TotalDays <= 5) // no recently created accounts
+                {
+                    return;
+                }
+                // there has to be money left in the pot
+                // and the user wasn't rewarded
+                if (_awardedUsers.Add(msg.Author.Id) && TryTakeFromPot())
+                {
+                    _toAward.Enqueue(msg.Author.Id);
+                    if (_isPotLimited && PotSize < _amount)
+                        PotEmptied = true;
+                }
+
+                try
+                {
+                    await msg.DeleteAsync(new RequestOptions()
+                    {
+                        RetryMode = RetryMode.AlwaysFail
+                    });
+                }
+                catch { }
+            });
+            return Task.CompletedTask;
+        }
+
+        private readonly object potLock = new object();
+        private bool TryTakeFromPot()
+        {
+            if (_isPotLimited)
+            {
+                lock (potLock)
+                {
+                    if (PotSize < _amount)
+                        return false;
+
+                    PotSize -= _amount;
+                    return true;
+                }
+            }
+            return true;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Events/ICurrencyEvent.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Modules.Gambling.Common
+{
+    public interface ICurrencyEvent
+    {
+        event Func<ulong, Task> OnEnded;
+        Task StopEvent();
+        Task StartEvent();
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Events/ReactionEvent.cs

@@ -0,0 +1,210 @@
+using Discord;
+using Discord.WebSocket;
+using NadekoBot.Common.Collections;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Serilog;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Events
+{
+    public class ReactionEvent : ICurrencyEvent
+    {
+        private readonly DiscordSocketClient _client;
+        private readonly IGuild _guild;
+        private IUserMessage _msg;
+        private IEmote _emote;
+        private readonly ICurrencyService _cs;
+        private readonly long _amount;
+
+        private long PotSize { get; set; }
+        public bool Stopped { get; private set; }
+        public bool PotEmptied { get; private set; } = false;
+
+        private readonly Func<CurrencyEvent.Type, EventOptions, long, EmbedBuilder> _embedFunc;
+        private readonly bool _isPotLimited;
+        private readonly ITextChannel _channel;
+        private readonly ConcurrentHashSet<ulong> _awardedUsers = new ConcurrentHashSet<ulong>();
+        private readonly ConcurrentQueue<ulong> _toAward = new ConcurrentQueue<ulong>();
+        private readonly Timer _t;
+        private readonly Timer _timeout = null;
+        private readonly bool _noRecentlyJoinedServer;
+        private readonly EventOptions _opts;
+        private readonly GamblingConfig _config;
+
+        public event Func<ulong, Task> OnEnded;
+
+        public ReactionEvent(DiscordSocketClient client, ICurrencyService cs,
+            SocketGuild g, ITextChannel ch, EventOptions opt, GamblingConfig config,
+            Func<CurrencyEvent.Type, EventOptions, long, EmbedBuilder> embedFunc)
+        {
+            _client = client;
+            _guild = g;
+            _cs = cs;
+            _amount = opt.Amount;
+            PotSize = opt.PotSize;
+            _embedFunc = embedFunc;
+            _isPotLimited = PotSize > 0;
+            _channel = ch;
+            _noRecentlyJoinedServer = false;
+            _opts = opt;
+            _config = config;
+
+            _t = new Timer(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
+            if (_opts.Hours > 0)
+            {
+                _timeout = new Timer(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
+            }
+        }
+
+        private void EventTimeout(object state)
+        {
+            var _ = StopEvent();
+        }
+
+        private async void OnTimerTick(object state)
+        {
+            var potEmpty = PotEmptied;
+            List<ulong> toAward = new List<ulong>();
+            while (_toAward.TryDequeue(out var x))
+            {
+                toAward.Add(x);
+            }
+
+            if (!toAward.Any())
+                return;
+
+            try
+            {
+                await _cs.AddBulkAsync(toAward,
+                    toAward.Select(x => "Reaction Event"),
+                    toAward.Select(x => _amount),
+                    gamble: true).ConfigureAwait(false);
+
+                if (_isPotLimited)
+                {
+                    await _msg.ModifyAsync(m =>
+                    {
+                        m.Embed = GetEmbed(PotSize).Build();
+                    }, new RequestOptions() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
+                }
+
+                Log.Information("Awarded {0} users {1} currency.{2}",
+                    toAward.Count,
+                    _amount,
+                    _isPotLimited ? $" {PotSize} left." : "");
+
+                if (potEmpty)
+                {
+                    var _ = StopEvent();
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error adding bulk currency to users");
+            }
+        }
+
+        public async Task StartEvent()
+        {
+            if (Emote.TryParse(_config.Currency.Sign, out var emote))
+            {
+                _emote = emote;
+            }
+            else
+            {
+                _emote = new Emoji(_config.Currency.Sign);
+            }
+            _msg = await _channel.EmbedAsync(GetEmbed(_opts.PotSize)).ConfigureAwait(false);
+            await _msg.AddReactionAsync(_emote).ConfigureAwait(false);
+            _client.MessageDeleted += OnMessageDeleted;
+            _client.ReactionAdded += HandleReaction;
+            _t.Change(TimeSpan.FromSeconds(2), TimeSpan.FromSeconds(2));
+        }
+
+        private EmbedBuilder GetEmbed(long pot)
+        {
+            return _embedFunc(CurrencyEvent.Type.Reaction, _opts, pot);
+        }
+
+        private async Task OnMessageDeleted(Cacheable<IMessage, ulong> msg, ISocketMessageChannel _)
+        {
+            if (msg.Id == _msg.Id)
+            {
+                await StopEvent().ConfigureAwait(false);
+            }
+        }
+
+        private readonly object stopLock = new object();
+        public async Task StopEvent()
+        {
+            await Task.Yield();
+            lock (stopLock)
+            {
+                if (Stopped)
+                    return;
+                Stopped = true;
+                _client.MessageDeleted -= OnMessageDeleted;
+                _client.ReactionAdded -= HandleReaction;
+                _t.Change(Timeout.Infinite, Timeout.Infinite);
+                _timeout?.Change(Timeout.Infinite, Timeout.Infinite);
+                try { var _ = _msg.DeleteAsync(); } catch { }
+                var os = OnEnded(_guild.Id);
+            }
+        }
+
+        private Task HandleReaction(Cacheable<IUserMessage, ulong> msg,
+            ISocketMessageChannel ch, SocketReaction r)
+        {
+            var _ = Task.Run(() =>
+            {
+                if (_emote.Name != r.Emote.Name)
+                    return;
+                var gu = (r.User.IsSpecified ? r.User.Value : null) as IGuildUser;
+                if (gu == null // no unknown users, as they could be bots, or alts
+                    || msg.Id != _msg.Id // same message
+                    || gu.IsBot // no bots
+                    || (DateTime.UtcNow - gu.CreatedAt).TotalDays <= 5 // no recently created accounts
+                    || (_noRecentlyJoinedServer && // if specified, no users who joined the server in the last 24h
+                        (gu.JoinedAt == null || (DateTime.UtcNow - gu.JoinedAt.Value).TotalDays < 1)))  // and no users for who we don't know when they joined
+                {
+                    return;
+                }
+                // there has to be money left in the pot
+                // and the user wasn't rewarded
+                if (_awardedUsers.Add(r.UserId) && TryTakeFromPot())
+                {
+                    _toAward.Enqueue(r.UserId);
+                    if (_isPotLimited && PotSize < _amount)
+                        PotEmptied = true;
+                }
+            });
+            return Task.CompletedTask;
+        }
+
+        private readonly object potLock = new object();
+        private bool TryTakeFromPot()
+        {
+            if (_isPotLimited)
+            {
+                lock (potLock)
+                {
+                    if (PotSize < _amount)
+                        return false;
+
+                    PotSize -= _amount;
+                    return true;
+                }
+            }
+            return true;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/GamblingConfig.cs

@@ -0,0 +1,293 @@
+using System;
+using System.Collections.Generic;
+using NadekoBot.Common.Yml;
+
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public sealed class GamblingConfig
+    {
+        public GamblingConfig()
+        {
+            BetRoll = new BetRollConfig();
+            WheelOfFortune = new WheelOfFortuneSettings();
+            Waifu = new WaifuConfig();
+            Currency = new CurrencyConfig();
+            BetFlip = new BetFlipConfig();
+            Generation = new GenerationConfig();
+            Timely = new TimelyConfig();
+            Decay = new DecayConfig();
+        }
+        
+        [Comment(@"DO NOT CHANGE")]
+        public int Version { get; set; } = 1;
+        
+        [Comment(@"Currency settings")]
+        public CurrencyConfig Currency { get; set; }
+
+        [Comment(@"Minimum amount users can bet (>=0)")]
+        public int MinBet { get; set; } = 0;
+
+        [Comment(@"Maximum amount users can bet
+Set 0 for unlimited")]
+        public int MaxBet { get; set; } = 0;
+        
+        [Comment(@"Settings for betflip command")]
+        public BetFlipConfig BetFlip { get; set; }
+
+        [Comment(@"Settings for betroll command")]
+        public BetRollConfig BetRoll { get; set; }
+        
+        [Comment(@"Automatic currency generation settings.")]
+        public GenerationConfig Generation { get; set; }
+        
+        [Comment(@"Settings for timely command 
+(letting people claim X amount of currency every Y hours)")]
+        public TimelyConfig Timely { get; set; }
+
+        [Comment(@"How much will each user's owned currency decay over time.")]
+        public DecayConfig Decay { get; set; }
+        [Comment(@"Settings for Wheel Of Fortune command.")]
+        public WheelOfFortuneSettings WheelOfFortune { get; set; }
+        [Comment(@"Settings related to waifus")]
+        public WaifuConfig Waifu { get; set; }
+        
+        [Comment(@"Amount of currency selfhosters will get PER pledged dollar CENT.
+1 = 100 currency per $. Used almost exclusively on public nadeko.")]
+        public decimal PatreonCurrencyPerCent { get; set; } = 1;
+
+        public class CurrencyConfig
+        {
+            [Comment(@"What is the emoji/character which represents the currency")]
+            public string Sign { get; set; } = "🌸";
+            
+            [Comment(@"What is the name of the currency")]
+            public string Name { get; set; } = "Nadeko Flower";
+        }
+
+        public class TimelyConfig
+        {
+            [Comment(@"How much currency will the users get every time they run .timely command
+setting to 0 or less will disable this feature")]
+            public int Amount { get; set; } = 0;
+
+            [Comment(@"How often (in hours) can users claim currency with .timely command
+setting to 0 or less will disable this feature")]
+            public int Cooldown { get; set; } = 24;
+        }
+
+        public class BetFlipConfig
+        {
+            [Comment(@"Bet multiplier if user guesses correctly")]
+            public decimal Multiplier { get; set; } = 1.95M;
+        }
+
+        public class BetRollConfig
+        {
+            [Comment(@"When betroll is played, user will roll a number 0-100.
+This setting will describe which multiplier is used for when the roll is higher than the given number.
+Doesn't have to be ordered.")]
+            public Pair[] Pairs { get; set; } = Array.Empty<Pair>();
+
+            public BetRollConfig()
+            {
+                Pairs = new BetRollConfig.Pair[]
+                {
+                    new BetRollConfig.Pair(99, 10),
+                    new BetRollConfig.Pair(90, 4),
+                    new BetRollConfig.Pair(66, 2)
+                };
+            }
+
+            public class Pair
+            {
+                
+                public int WhenAbove { get; set; }
+                
+                public float MultiplyBy { get; set; }
+
+                public Pair()
+                {
+
+                }
+
+                public Pair(int threshold, int multiplier)
+                {
+                    WhenAbove = threshold;
+                    MultiplyBy = multiplier;
+                }
+            }
+        }
+        
+        public class GenerationConfig
+        {
+            [Comment(@"when currency is generated, should it also have a random password
+associated with it which users have to type after the .pick command
+in order to get it")]
+            public bool HasPassword { get; set; } = true;
+
+            [Comment(@"Every message sent has a certain % chance to generate the currency
+specify the percentage here (1 being 100%, 0 being 0% - for example
+default is 0.02, which is 2%")]
+            public decimal Chance { get; set; } = 0.02M;
+
+            [Comment(@"How many seconds have to pass for the next message to have a chance to spawn currency")]
+            public int GenCooldown { get; set; } = 10;
+
+            [Comment(@"Minimum amount of currency that can spawn")]
+            public int MinAmount { get; set; } = 1;
+
+            [Comment(@"Maximum amount of currency that can spawn.
+ Set to the same value as MinAmount to always spawn the same amount")]
+            public int MaxAmount { get; set; } = 1;
+        }
+
+        public class DecayConfig
+        {
+            [Comment(@"Percentage of user's current currency which will be deducted every 24h. 
+0 - 1 (1 is 100%, 0.5 50%, 0 disabled)")]
+            public decimal Percent { get; set; } = 0;
+
+            [Comment(@"Maximum amount of user's currency that can decay at each interval. 0 for unlimited.")]
+            public int MaxDecay { get; set; } = 0;
+
+            [Comment(@"Only users who have more than this amount will have their currency decay.")]
+            public int MinThreshold { get; set; } = 99;
+
+            [Comment(@"How often, in hours, does the decay run. Default is 24 hours")]
+            public int HourInterval { get; set; } = 24;
+        }
+
+        public class WheelOfFortuneSettings
+        {
+            [Comment(@"Self-Explanatory. Has to have 8 values, otherwise the command won't work.")]
+            public decimal[] Multipliers { get; set; }
+
+            public WheelOfFortuneSettings()
+            {
+                Multipliers = new decimal[]
+                {
+                    1.7M,
+                    1.5M,
+                    0.2M,
+                    0.1M,
+                    0.3M,
+                    0.5M,
+                    1.2M,
+                    2.4M,
+                };
+            }
+        }
+
+        public class WaifuConfig
+        {
+            [Comment(@"Minimum price a waifu can have")]
+            public int MinPrice { get; set; } = 50;
+            public MultipliersData Multipliers { get; set; } = new MultipliersData();
+
+            [Comment(@"List of items available for gifting.")]
+            public List<WaifuItemModel> Items { get; set; } = new List<WaifuItemModel>();
+
+            public WaifuConfig()
+            {
+                Items = new List<WaifuItemModel>()
+                {
+                    new WaifuItemModel("🥔", 5, "Potato"),
+                    new WaifuItemModel("🍪", 10, "Cookie"),
+                    new WaifuItemModel("🥖", 20, "Bread"),
+                    new WaifuItemModel("🍭", 30, "Lollipop"),
+                    new WaifuItemModel("🌹", 50, "Rose"),
+                    new WaifuItemModel("🍺", 70, "Beer"),
+                    new WaifuItemModel("🌮", 85, "Taco"),
+                    new WaifuItemModel("💌", 100, "LoveLetter"),
+                    new WaifuItemModel("🥛", 125, "Milk"),
+                    new WaifuItemModel("🍕", 150, "Pizza"),
+                    new WaifuItemModel("🍫", 200, "Chocolate"),
+                    new WaifuItemModel("🍦", 250, "Icecream"),
+                    new WaifuItemModel("🍣", 300, "Sushi"),
+                    new WaifuItemModel("🍚", 400, "Rice"),
+                    new WaifuItemModel("🍉", 500, "Watermelon"),
+                    new WaifuItemModel("🍱", 600, "Bento"),
+                    new WaifuItemModel("🎟", 800, "MovieTicket"),
+                    new WaifuItemModel("🍰", 1000, "Cake"),
+                    new WaifuItemModel("📔", 1500, "Book"),
+                    new WaifuItemModel("🐱", 2000, "Cat"),
+                    new WaifuItemModel("🐶", 2001, "Dog"),
+                    new WaifuItemModel("🐼", 2500, "Panda"),
+                    new WaifuItemModel("💄", 3000, "Lipstick"),
+                    new WaifuItemModel("👛", 3500, "Purse"),
+                    new WaifuItemModel("📱", 4000, "iPhone"),
+                    new WaifuItemModel("👗", 4500, "Dress"),
+                    new WaifuItemModel("💻", 5000, "Laptop"),
+                    new WaifuItemModel("🎻", 7500, "Violin"),
+                    new WaifuItemModel("🎹", 8000, "Piano"),
+                    new WaifuItemModel("🚗", 9000, "Car"),
+                    new WaifuItemModel("💍", 10000, "Ring"),
+                    new WaifuItemModel("🛳", 12000, "Ship"),
+                    new WaifuItemModel("🏠", 15000, "House"),
+                    new WaifuItemModel("🚁", 20000, "Helicopter"),
+                    new WaifuItemModel("🚀", 30000, "Spaceship"),
+                    new WaifuItemModel("🌕", 50000, "Moon")
+                };
+            }
+
+
+            public class MultipliersData
+            {
+                [Comment(@"Multiplier for waifureset. Default 150.
+Formula (at the time of writing this): 
+price = (waifu_price * 1.25f) + ((number_of_divorces + changes_of_heart + 2) * WaifuReset) rounded up")]
+                public int WaifuReset { get; set; } = 150;
+
+                [Comment(@"The minimum amount of currency that you have to pay 
+in order to buy a waifu who doesn't have a crush on you.
+Default is 1.1
+Example: If a waifu is worth 100, you will have to pay at least 100 * NormalClaim currency to claim her.
+(100 * 1.1 = 110)")]
+                public decimal NormalClaim { get; set; } = 1.1m;
+
+                [Comment(@"The minimum amount of currency that you have to pay 
+in order to buy a waifu that has a crush on you.
+Default is 0.88
+Example: If a waifu is worth 100, you will have to pay at least 100 * CrushClaim currency to claim her.
+(100 * 0.88 = 88)")]
+                public decimal CrushClaim { get; set; } = 0.88M;
+
+                [Comment(@"When divorcing a waifu, her new value will be her current value multiplied by this number.
+Default 0.75 (meaning will lose 25% of her value)")]
+                public decimal DivorceNewValue { get; set; } = 0.75M;
+
+                [Comment(@"All gift prices will be multiplied by this number.
+Default 1 (meaning no effect)")]
+                public decimal AllGiftPrices { get; set; } = 1.0M;
+
+                [Comment(@"What percentage of the value of the gift will a waifu gain when she's gifted.
+Default 0.95 (meaning 95%)
+Example: If a waifu is worth 1000, and she receives a gift worth 100, her new value will be 1095)")]
+                public decimal GiftEffect { get; set; } = 0.95M;
+            }
+        }
+    }
+    
+    public class WaifuItemModel
+    {
+        public string ItemEmoji { get; set; }
+        
+        public int Price { get; set; }
+        
+        public string Name { get; set; }
+
+        public WaifuItemModel()
+        {
+
+        }
+
+        public WaifuItemModel(string itemEmoji, int price, string name)
+        {
+            ItemEmoji = itemEmoji;
+            Price = price;
+            Name = name;
+        }
+
+        public override string ToString() => Name;
+    }
+}

src/NadekoBot/Modules/Gambling/Common/GamblingTopLevelModule.cs

@@ -0,0 +1,68 @@
+using System;
+using Discord;
+using NadekoBot.Core.Services;
+using NadekoBot.Modules;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public abstract class GamblingModule<TService> : NadekoModule<TService>
+    {
+        private readonly Lazy<GamblingConfig> _lazyConfig;
+        protected GamblingConfig _config => _lazyConfig.Value;
+        protected string CurrencySign => _config.Currency.Sign;
+        protected string CurrencyName => _config.Currency.Name;
+        
+        protected GamblingModule(GamblingConfigService gambService)
+        {
+            _lazyConfig = new Lazy<GamblingConfig>(() => gambService.Data);
+        }
+
+        private async Task<bool> InternalCheckBet(long amount)
+        {
+            if (amount < 1)
+            {
+                return false;
+            }
+            if (amount < _config.MinBet)
+            {
+                await ReplyErrorLocalizedAsync("min_bet_limit", 
+                    Format.Bold(_config.MinBet.ToString()) + CurrencySign).ConfigureAwait(false);
+                return false;
+            }
+            if (_config.MaxBet > 0 && amount > _config.MaxBet)
+            {
+                await ReplyErrorLocalizedAsync("max_bet_limit", 
+                    Format.Bold(_config.MaxBet.ToString()) + CurrencySign).ConfigureAwait(false);
+                return false;
+            }
+            return true;
+        }
+
+        protected Task<bool> CheckBetMandatory(long amount)
+        {
+            if (amount < 1)
+            {
+                return Task.FromResult(false);
+            }
+            return InternalCheckBet(amount);
+        }
+
+        protected Task<bool> CheckBetOptional(long amount)
+        {
+            if (amount == 0)
+            {
+                return Task.FromResult(true);
+            }
+            return InternalCheckBet(amount);
+        }
+    }
+
+    public abstract class GamblingSubmodule<TService> : GamblingModule<TService>
+    {
+        protected GamblingSubmodule(GamblingConfigService gamblingConfService) : base(gamblingConfService)
+        {
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Payout.cs

@@ -0,0 +1,8 @@
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public class Payout
+    {
+        public string User { get; set; }
+        public int Amount { get; set; }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/RollDuelGame.cs

@@ -0,0 +1,140 @@
+using NadekoBot.Common;
+using NadekoBot.Core.Services;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Core.Modules.Gambling.Common
+{
+    public class RollDuelGame
+    {
+        public ulong P1 { get; }
+        public ulong P2 { get; }
+
+        private readonly ulong _botId;
+
+        public long Amount { get; }
+
+        private readonly ICurrencyService _cs;
+
+        public enum State
+        {
+            Waiting,
+            Running,
+            Ended,
+        }
+
+        public enum Reason
+        {
+            Normal,
+            NoFunds,
+            Timeout,
+        }
+        
+        private readonly Timer _timeoutTimer;
+        private readonly NadekoRandom _rng = new NadekoRandom();
+        private readonly SemaphoreSlim _locker = new SemaphoreSlim(1, 1);
+        
+        public event Func<RollDuelGame, Task> OnGameTick;
+        public event Func<RollDuelGame, Reason, Task> OnEnded;
+
+        public List<(int, int)> Rolls { get; } = new List<(int, int)>();
+        public State CurrentState { get; private set; }
+        public ulong Winner { get; private set; }
+
+        public RollDuelGame(ICurrencyService cs, ulong botId, ulong p1, ulong p2, long amount)
+        {
+            this.P1 = p1;
+            this.P2 = p2;
+            this._botId = botId;
+            this.Amount = amount;
+            _cs = cs;
+
+            _timeoutTimer = new Timer(async delegate
+            {
+                await _locker.WaitAsync().ConfigureAwait(false);
+                try
+                {
+                    if (CurrentState != State.Waiting)
+                        return;
+                    CurrentState = State.Ended;
+                    await (OnEnded?.Invoke(this, Reason.Timeout)).ConfigureAwait(false);
+                }
+                catch { }
+                finally
+                {
+                    _locker.Release();
+                }
+            }, null, TimeSpan.FromSeconds(15), TimeSpan.FromMilliseconds(-1));
+        }
+
+        public async Task StartGame()
+        {
+            await _locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (CurrentState != State.Waiting)
+                    return;
+                _timeoutTimer.Change(Timeout.Infinite, Timeout.Infinite);
+                CurrentState = State.Running;
+            }
+            finally
+            {
+                _locker.Release();
+            }
+
+            if(!await _cs.RemoveAsync(P1, "Roll Duel", Amount).ConfigureAwait(false))
+            {
+                await (OnEnded?.Invoke(this, Reason.NoFunds)).ConfigureAwait(false);
+                CurrentState = State.Ended;
+                return;
+            }
+            if(!await _cs.RemoveAsync(P2, "Roll Duel", Amount).ConfigureAwait(false))
+            {
+                await _cs.AddAsync(P1, "Roll Duel - refund", Amount).ConfigureAwait(false);
+                await (OnEnded?.Invoke(this, Reason.NoFunds)).ConfigureAwait(false);
+                CurrentState = State.Ended;
+                return;
+            }
+
+            int n1, n2;
+            do
+            {
+                n1 = _rng.Next(0, 5);
+                n2 = _rng.Next(0, 5);
+                Rolls.Add((n1, n2));
+                if (n1 != n2)
+                {
+                    if (n1 > n2)
+                    {
+                        Winner = P1;                                                                                                                                                                                                                                                                                                
+                    }
+                    else
+                    {
+                        Winner = P2;
+                    }
+                    var won = (long)(Amount * 2 * 0.98f);
+                    await _cs.AddAsync(Winner, "Roll Duel win", won)
+                        .ConfigureAwait(false);
+
+                    await _cs.AddAsync(_botId, "Roll Duel fee", Amount * 2 - won)
+                        .ConfigureAwait(false);
+                }
+                try { await (OnGameTick?.Invoke(this)).ConfigureAwait(false); } catch { }
+                await Task.Delay(2500).ConfigureAwait(false);
+                if (n1 != n2)
+                    break;
+            }
+            while (true);
+            CurrentState = State.Ended;
+            await (OnEnded?.Invoke(this, Reason.Normal)).ConfigureAwait(false);
+        }
+    }
+
+    public struct RollDuelChallenge
+    {
+        public ulong Player1 { get; set; }
+        public ulong Player2 { get; set; }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Waifu/AffinityTitle.cs

@@ -0,0 +1,16 @@
+namespace NadekoBot.Core.Modules.Gambling.Common.Waifu
+{
+    public enum AffinityTitle
+    {
+        Pure,
+        Faithful,
+        Playful,
+        Cheater,
+        Tainted,
+        Corrupted,
+        Lewd,
+        Sloot,
+        Depraved,
+        Harlot
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Waifu/ClaimTitle.cs

@@ -0,0 +1,18 @@
+namespace NadekoBot.Core.Modules.Gambling.Common.Waifu
+{
+    public enum ClaimTitle
+    {
+        Lonely,
+        Devoted,
+        Rookie,
+        Schemer,
+        Dilettante,
+        Intermediate,
+        Seducer,
+        Expert,
+        Veteran,
+        Incubis,
+        Harem_King,
+        Harem_God,
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Waifu/DivorceResult.cs

@@ -0,0 +1,10 @@
+namespace NadekoBot.Core.Modules.Gambling.Common.Waifu
+{
+    public enum DivorceResult
+    {
+        Success,
+        SucessWithPenalty,
+        NotYourWife,
+        Cooldown
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Waifu/WaifuClaimResult.cs

@@ -0,0 +1,9 @@
+namespace NadekoBot.Core.Modules.Gambling.Common.Waifu
+{
+    public enum WaifuClaimResult
+    {
+        Success,
+        NotEnoughFunds,
+        InsufficientAmount
+    }
+}

src/NadekoBot/Modules/Gambling/Common/Waifu/WaifuProfileTitle.cs

@@ -0,0 +1,14 @@
+namespace NadekoBot.Core.Modules.Gambling.Common.Waifu
+{
+    public struct WaifuProfileTitle
+    {
+        public int Count { get; }
+        public string Title { get; }
+
+        public WaifuProfileTitle(int count, string title)
+        {
+            Count = count;
+            Title = title;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Common/WheelOfFortune/WheelOfFortune.cs

@@ -0,0 +1,47 @@
+using System.Threading.Tasks;
+using NadekoBot.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+
+namespace NadekoBot.Modules.Gambling.Common.WheelOfFortune
+{
+    public class WheelOfFortuneGame
+    {
+        public class Result
+        {
+            public int Index { get; set; }
+            public long Amount { get; set; }
+        }
+
+        private readonly NadekoRandom _rng;
+        private readonly ICurrencyService _cs;
+        private readonly long _bet;
+        private readonly GamblingConfig _config;
+        private readonly ulong _userId;
+
+        public WheelOfFortuneGame(ulong userId, long bet, GamblingConfig config, ICurrencyService cs)
+        {
+            _rng = new NadekoRandom();
+            _cs = cs;
+            _bet = bet;
+            _config = config;
+            _userId = userId;
+        }
+
+        public async Task<Result> SpinAsync()
+        {
+            var result = _rng.Next(0, _config.WheelOfFortune.Multipliers.Length);
+
+            var amount = (long)(_bet * _config.WheelOfFortune.Multipliers[result]);
+
+            if (amount > 0)
+                await _cs.AddAsync(_userId, "Wheel Of Fortune - won", amount, gamble: true).ConfigureAwait(false);
+
+            return new Result
+            {
+                Index = result,
+                Amount = amount,
+            };
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Connect4/Connect4.cs

@@ -0,0 +1,401 @@
+using CommandLine;
+using NadekoBot.Common;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Services;
+using System;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Modules.Gambling.Common.Connect4
+{
+    public sealed class Connect4Game : IDisposable
+    {
+        public enum Phase
+        {
+            Joining, // waiting for second player to join
+            P1Move,
+            P2Move,
+            Ended,
+        }
+
+        public enum Field //temporary most likely
+        {
+            Empty,
+            P1,
+            P2,
+        }
+
+        public enum Result
+        {
+            Draw,
+            CurrentPlayerWon,
+            OtherPlayerWon,
+        }
+
+        public const int NumberOfColumns = 7;
+        public const int NumberOfRows = 6;
+
+        public Phase CurrentPhase { get; private set; } = Phase.Joining;
+
+        //state is bottom to top, left to right
+        private readonly Field[] _gameState = new Field[NumberOfRows * NumberOfColumns];
+        private readonly (ulong UserId, string Username)?[] _players = new(ulong, string)?[2];
+
+        public ImmutableArray<Field> GameState => _gameState.ToImmutableArray();
+        public ImmutableArray<(ulong UserId, string Username)?> Players => _players.ToImmutableArray();
+
+        public (ulong UserId, string Username) CurrentPlayer => CurrentPhase == Phase.P1Move
+            ? _players[0].Value
+            : _players[1].Value;
+
+        public (ulong UserId, string Username) OtherPlayer => CurrentPhase == Phase.P2Move
+            ? _players[0].Value
+            : _players[1].Value;
+
+        //public event Func<Connect4Game, Task> OnGameStarted;
+        public event Func<Connect4Game, Task> OnGameStateUpdated;
+        public event Func<Connect4Game, Task> OnGameFailedToStart;
+        public event Func<Connect4Game, Result, Task> OnGameEnded;
+
+        private readonly SemaphoreSlim _locker = new SemaphoreSlim(1, 1);
+        private readonly Options _options;
+        private readonly ICurrencyService _cs;
+        private readonly NadekoRandom _rng;
+
+        private Timer _playerTimeoutTimer;
+
+        /* [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         * [ ][ ][ ][ ][ ][ ]
+         */
+
+        public Connect4Game(ulong userId, string userName, Options options, ICurrencyService cs)
+        {
+            _players[0] = (userId, userName);
+            _options = options;
+            _cs = cs;
+
+            _rng = new NadekoRandom();
+            for (int i = 0; i < NumberOfColumns * NumberOfRows; i++)
+            {
+                _gameState[i] = Field.Empty;
+            }
+        }
+
+        public void Initialize()
+        {
+            if (CurrentPhase != Phase.Joining)
+                return;
+            var _ = Task.Run(async () =>
+            {
+                await Task.Delay(15000).ConfigureAwait(false);
+                await _locker.WaitAsync().ConfigureAwait(false);
+                try
+                {
+                    if (_players[1] == null)
+                    {
+                        var __ = OnGameFailedToStart?.Invoke(this);
+                        CurrentPhase = Phase.Ended;
+                        await _cs.AddAsync(_players[0].Value.UserId, "Connect4-refund", _options.Bet, true).ConfigureAwait(false);
+                        return;
+                    }
+                }
+                finally { _locker.Release(); }
+            });
+        }
+
+        public async Task<bool> Join(ulong userId, string userName, int bet)
+        {
+            await _locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                if (CurrentPhase != Phase.Joining) //can't join if its not a joining phase
+                    return false;
+
+                if (_players[0].Value.UserId == userId) // same user can't join own game
+                    return false;
+
+                if (bet != _options.Bet) // can't join if bet amount is not the same
+                    return false;
+
+                if (!await _cs.RemoveAsync(userId, "Connect4-bet", bet, true).ConfigureAwait(false)) // user doesn't have enough money to gamble
+                    return false;
+
+                if (_rng.Next(0, 2) == 0) //rolling from 0-1, if number is 0, join as first player
+                {
+                    _players[1] = _players[0];
+                    _players[0] = (userId, userName);
+                }
+                else //else join as a second player
+                    _players[1] = (userId, userName);
+
+                CurrentPhase = Phase.P1Move; //start the game
+                _playerTimeoutTimer = new Timer(async state =>
+                {
+                    await _locker.WaitAsync().ConfigureAwait(false);
+                    try
+                    {
+                        EndGame(Result.OtherPlayerWon, OtherPlayer.UserId);
+                    }
+                    finally { _locker.Release(); }
+                }, null, TimeSpan.FromSeconds(_options.TurnTimer), TimeSpan.FromSeconds(_options.TurnTimer));
+                var __ = OnGameStateUpdated?.Invoke(this);
+
+                return true;
+            }
+            finally { _locker.Release(); }
+        }
+
+        public async Task<bool> Input(ulong userId, int inputCol)
+        {
+            await _locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                inputCol -= 1;
+                if (CurrentPhase == Phase.Ended || CurrentPhase == Phase.Joining)
+                    return false;
+
+                if (!((_players[0].Value.UserId == userId && CurrentPhase == Phase.P1Move)
+                    || (_players[1].Value.UserId == userId && CurrentPhase == Phase.P2Move)))
+                    return false;
+
+                if (inputCol < 0 || inputCol > NumberOfColumns) //invalid input
+                    return false;
+
+                if (IsColumnFull(inputCol)) //can't play there event?
+                    return false;
+
+                var start = NumberOfRows * inputCol;
+                for (int i = start; i < start + NumberOfRows; i++)
+                {
+                    if (_gameState[i] == Field.Empty)
+                    {
+                        _gameState[i] = GetPlayerPiece(userId);
+                        break;
+                    }
+                }
+
+                //check winnning condition
+                // ok, i'll go from [0-2] in rows (and through all columns) and check upward if 4 are connected
+
+                for (int i = 0; i < NumberOfRows - 3; i++)
+                {
+                    if (CurrentPhase == Phase.Ended)
+                        break;
+
+                    for (int j = 0; j < NumberOfColumns; j++)
+                    {
+                        if (CurrentPhase == Phase.Ended)
+                            break;
+
+                        var first = _gameState[i + j * NumberOfRows];
+                        if (first != Field.Empty)
+                        {
+                            for (int k = 1; k < 4; k++)
+                            {
+                                var next = _gameState[i + k + j * NumberOfRows];
+                                if (next == first)
+                                {
+                                    if (k == 3)
+                                        EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
+                                    else
+                                        continue;
+                                }
+                                else break;
+                            }
+                        }
+                    }
+                }
+
+                // i'll go [0-1] in columns (and through all rows) and check to the right if 4 are connected
+                for (int i = 0; i < NumberOfColumns - 3; i++)
+                {
+                    if (CurrentPhase == Phase.Ended)
+                        break;
+
+                    for (int j = 0; j < NumberOfRows; j++)
+                    {
+                        if (CurrentPhase == Phase.Ended)
+                            break;
+
+                        var first = _gameState[j + i * NumberOfRows];
+                        if (first != Field.Empty)
+                        {
+                            for (int k = 1; k < 4; k++)
+                            {
+                                var next = _gameState[j + (i + k) * NumberOfRows];
+                                if (next == first)
+                                    if (k == 3)
+                                        EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
+                                    else
+                                        continue;
+                                else break;
+                            }
+                        }
+                    }
+                }
+
+                //need to check diagonal now
+                for (int col = 0; col < NumberOfColumns; col++)
+                {
+                    if (CurrentPhase == Phase.Ended)
+                        break;
+
+                    for (int row = 0; row < NumberOfRows; row++)
+                    {
+                        if (CurrentPhase == Phase.Ended)
+                            break;
+
+                        var first = _gameState[row + col * NumberOfRows];
+
+                        if (first != Field.Empty)
+                        {
+                            var same = 1;
+
+                            //top left
+                            for (int i = 1; i < 4; i++)
+                            {
+                                //while going top left, rows are increasing, columns are decreasing
+                                var curRow = row + i;
+                                var curCol = col - i;
+
+                                //check if current values are in range
+                                if (curRow >= NumberOfRows || curRow < 0)
+                                    break;
+                                if (curCol < 0 || curCol >= NumberOfColumns)
+                                    break;
+
+                                var cur = _gameState[curRow + curCol * NumberOfRows];
+                                if (cur == first)
+                                    same++;
+                                else break;
+                            }
+
+                            if (same == 4)
+                            {
+                                EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
+                                break;
+                            }
+
+                            same = 1;
+
+                            //top right
+                            for (int i = 1; i < 4; i++)
+                            {
+                                //while going top right, rows are increasing, columns are increasing
+                                var curRow = row + i;
+                                var curCol = col + i;
+
+                                //check if current values are in range
+                                if (curRow >= NumberOfRows || curRow < 0)
+                                    break;
+                                if (curCol < 0 || curCol >= NumberOfColumns)
+                                    break;
+
+                                var cur = _gameState[curRow + curCol * NumberOfRows];
+                                if (cur == first)
+                                    same++;
+                                else break;
+                            }
+
+                            if (same == 4)
+                            {
+                                EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
+                                break;
+                            }
+                        }
+                    }
+                }
+
+                //check draw? if it's even possible
+                if (_gameState.All(x => x != Field.Empty))
+                {
+                    EndGame(Result.Draw, null);
+                }
+
+                if (CurrentPhase != Phase.Ended)
+                {
+                    if (CurrentPhase == Phase.P1Move)
+                        CurrentPhase = Phase.P2Move;
+                    else
+                        CurrentPhase = Phase.P1Move;
+
+                    ResetTimer();
+                }
+                var _ = OnGameStateUpdated?.Invoke(this);
+                return true;
+            }
+            finally { _locker.Release(); }
+        }
+
+        private void ResetTimer()
+        {
+            _playerTimeoutTimer.Change(TimeSpan.FromSeconds(_options.TurnTimer), TimeSpan.FromSeconds(_options.TurnTimer));
+        }
+
+        private void EndGame(Result result, ulong? winId)
+        {
+            if (CurrentPhase == Phase.Ended)
+                return;
+            var _ = OnGameEnded?.Invoke(this, result);
+            CurrentPhase = Phase.Ended;
+
+            if (result == Result.Draw)
+            {
+                _cs.AddAsync(CurrentPlayer.UserId, "Connect4-draw", this._options.Bet, true);
+                _cs.AddAsync(OtherPlayer.UserId, "Connect4-draw", this._options.Bet, true);
+                return;
+            }
+            if (winId != null)
+                _cs.AddAsync(winId.Value, "Connnect4-win", (long)(this._options.Bet * 1.98), true);
+        }
+
+        private Field GetPlayerPiece(ulong userId) => _players[0].Value.UserId == userId
+            ? Field.P1
+            : Field.P2;
+
+        //column is full if there are no empty fields
+        private bool IsColumnFull(int column)
+        {
+            var start = NumberOfRows * column;
+            for (int i = start; i < start + NumberOfRows; i++)
+            {
+                if (_gameState[i] == Field.Empty)
+                    return false;
+            }
+            return true;
+        }
+
+        public void Dispose()
+        {
+            OnGameFailedToStart = null;
+            OnGameStateUpdated = null;
+            OnGameEnded = null;
+            _playerTimeoutTimer?.Change(Timeout.Infinite, Timeout.Infinite);
+        }
+
+
+        public class Options : INadekoCommandOptions
+        {
+            public void NormalizeOptions()
+            {
+                if (TurnTimer < 5 || TurnTimer > 60)
+                    TurnTimer = 15;
+
+                if (Bet < 0)
+                    Bet = 0;
+            }
+
+            [Option('t', "turn-timer", Required = false, Default = 15, HelpText = "Turn time in seconds. It has to be between 5 and 60. Default 15.")]
+            public int TurnTimer { get; set; } = 15;
+            [Option('b', "bet", Required = false, Default = 0, HelpText = "Amount you bet. Default 0.")]
+            public int Bet { get; set; } = 0;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Connect4Commands.cs

@@ -0,0 +1,210 @@
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common.Connect4;
+using NadekoBot.Modules.Gambling.Services;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class Connect4Commands : GamblingSubmodule<GamblingService>
+        {
+            private readonly DiscordSocketClient _client;
+            private readonly ICurrencyService _cs;
+            private static readonly string[] numbers = new string[] { ":one:", ":two:", ":three:", ":four:", ":five:", ":six:", ":seven:", ":eight:" };
+
+            public Connect4Commands(DiscordSocketClient client, ICurrencyService cs, GamblingConfigService gamb)
+                : base(gamb)
+            {
+                _client = client;
+                _cs = cs;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [NadekoOptionsAttribute(typeof(Connect4Game.Options))]
+            public async Task Connect4(params string[] args)
+            {
+                var (options, _) = OptionsParser.ParseFrom(new Connect4Game.Options(), args);
+                if (!await CheckBetOptional(options.Bet).ConfigureAwait(false))
+                    return;
+
+                var newGame = new Connect4Game(ctx.User.Id, ctx.User.ToString(), options, _cs);
+                Connect4Game game;
+                if ((game = _service.Connect4Games.GetOrAdd(ctx.Channel.Id, newGame)) != newGame)
+                {
+                    if (game.CurrentPhase != Connect4Game.Phase.Joining)
+                        return;
+
+                    newGame.Dispose();
+                    //means game already exists, try to join
+                    var joined = await game.Join(ctx.User.Id, ctx.User.ToString(), options.Bet).ConfigureAwait(false);
+                    return;
+                }
+
+                if (options.Bet > 0)
+                {
+                    if (!await _cs.RemoveAsync(ctx.User.Id, "Connect4-bet", options.Bet, true).ConfigureAwait(false))
+                    {
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                        _service.Connect4Games.TryRemove(ctx.Channel.Id, out _);
+                        game.Dispose();
+                        return;
+                    }
+                }
+
+                game.OnGameStateUpdated += Game_OnGameStateUpdated;
+                game.OnGameFailedToStart += Game_OnGameFailedToStart;
+                game.OnGameEnded += Game_OnGameEnded;
+                _client.MessageReceived += _client_MessageReceived;
+
+                game.Initialize();
+                if (options.Bet == 0)
+                {
+                    await ReplyConfirmLocalizedAsync("connect4_created").ConfigureAwait(false);
+                }
+                else
+                {
+                    await ReplyConfirmLocalizedAsync("connect4_created_bet", options.Bet + CurrencySign).ConfigureAwait(false);
+                }
+
+                Task _client_MessageReceived(SocketMessage arg)
+                {
+                    if (ctx.Channel.Id != arg.Channel.Id)
+                        return Task.CompletedTask;
+
+                    var _ = Task.Run(async () =>
+                    {
+                        bool success = false;
+                        if (int.TryParse(arg.Content, out var col))
+                        {
+                            success = await game.Input(arg.Author.Id, col).ConfigureAwait(false);
+                        }
+
+                        if (success)
+                            try { await arg.DeleteAsync().ConfigureAwait(false); } catch { }
+                        else
+                        {
+                            if (game.CurrentPhase == Connect4Game.Phase.Joining
+                                || game.CurrentPhase == Connect4Game.Phase.Ended)
+                            {
+                                return;
+                            }
+                            RepostCounter++;
+                            if (RepostCounter == 0)
+                                try { msg = await ctx.Channel.SendMessageAsync("", embed: (Embed)msg.Embeds.First()).ConfigureAwait(false); } catch { }
+                        }
+                    });
+                    return Task.CompletedTask;
+                }
+
+                Task Game_OnGameFailedToStart(Connect4Game arg)
+                {
+                    if (_service.Connect4Games.TryRemove(ctx.Channel.Id, out var toDispose))
+                    {
+                        _client.MessageReceived -= _client_MessageReceived;
+                        toDispose.Dispose();
+                    }
+                    return ErrorLocalizedAsync("connect4_failed_to_start");
+                }
+
+                Task Game_OnGameEnded(Connect4Game arg, Connect4Game.Result result)
+                {
+                    if (_service.Connect4Games.TryRemove(ctx.Channel.Id, out var toDispose))
+                    {
+                        _client.MessageReceived -= _client_MessageReceived;
+                        toDispose.Dispose();
+                    }
+
+                    string title;
+                    if (result == Connect4Game.Result.CurrentPlayerWon)
+                    {
+                        title = GetText("connect4_won", Format.Bold(arg.CurrentPlayer.Username), Format.Bold(arg.OtherPlayer.Username));
+                    }
+                    else if (result == Connect4Game.Result.OtherPlayerWon)
+                    {
+                        title = GetText("connect4_won", Format.Bold(arg.OtherPlayer.Username), Format.Bold(arg.CurrentPlayer.Username));
+                    }
+                    else
+                        title = GetText("connect4_draw");
+
+                    return msg.ModifyAsync(x => x.Embed = new EmbedBuilder()
+                        .WithTitle(title)
+                        .WithDescription(GetGameStateText(game))
+                        .WithOkColor()
+                        .Build());
+                }
+            }
+
+            private IUserMessage msg;
+
+            private int _repostCounter = 0;
+            private int RepostCounter
+            {
+                get => _repostCounter;
+                set
+                {
+                    if (value < 0 || value > 7)
+                        _repostCounter = 0;
+                    else _repostCounter = value;
+                }
+            }
+
+            private async Task Game_OnGameStateUpdated(Connect4Game game)
+            {
+                var embed = new EmbedBuilder()
+                    .WithTitle($"{game.CurrentPlayer.Username} vs {game.OtherPlayer.Username}")
+                    .WithDescription(GetGameStateText(game))
+                    .WithOkColor();
+
+
+                if (msg == null)
+                    msg = await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+                else
+                    await msg.ModifyAsync(x => x.Embed = embed.Build()).ConfigureAwait(false);
+            }
+
+            private string GetGameStateText(Connect4Game game)
+            {
+                var sb = new StringBuilder();
+
+                if (game.CurrentPhase == Connect4Game.Phase.P1Move ||
+                    game.CurrentPhase == Connect4Game.Phase.P2Move)
+                    sb.AppendLine(GetText("connect4_player_to_move", Format.Bold(game.CurrentPlayer.Username)));
+
+                for (int i = Connect4Game.NumberOfRows; i > 0; i--)
+                {
+                    for (int j = 0; j < Connect4Game.NumberOfColumns; j++)
+                    {
+                        var cur = game.GameState[i + (j * Connect4Game.NumberOfRows) - 1];
+
+                        if (cur == Connect4Game.Field.Empty)
+                            sb.Append("⚫"); //black circle
+                        else if (cur == Connect4Game.Field.P1)
+                            sb.Append("🔴"); //red circle
+                        else
+                            sb.Append("🔵"); //blue circle
+                    }
+                    sb.AppendLine();
+                }
+
+                for (int i = 0; i < Connect4Game.NumberOfColumns; i++)
+                {
+                    sb.Append(numbers[i]);
+                }
+                return sb.ToString();
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/CurrencyEventsCommands.cs

@@ -0,0 +1,94 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Extensions;
+using System.Threading.Tasks;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Modules.Gambling.Services;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Core.Modules.Gambling.Common.Events;
+using System;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Services;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class CurrencyEventsCommands : GamblingSubmodule<CurrencyEventsService>
+        {
+            public enum OtherEvent
+            {
+                BotListUpvoters
+            }
+
+            public CurrencyEventsCommands(GamblingConfigService gamblingConf) : base(gamblingConf)
+            {
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [NadekoOptionsAttribute(typeof(EventOptions))]
+            [OwnerOnly]
+            public async Task EventStart(CurrencyEvent.Type ev, params string[] options)
+            {
+                var (opts, _) = OptionsParser.ParseFrom(new EventOptions(), options);
+                if (!await _service.TryCreateEventAsync(ctx.Guild.Id,
+                    ctx.Channel.Id,
+                    ev,
+                    opts,
+                    GetEmbed
+                    ).ConfigureAwait(false))
+                {
+                    await ReplyErrorLocalizedAsync("start_event_fail").ConfigureAwait(false);
+                    return;
+                }
+            }
+
+            private EmbedBuilder GetEmbed(CurrencyEvent.Type type, EventOptions opts, long currentPot)
+            {
+                switch (type)
+                {
+                    case CurrencyEvent.Type.Reaction:
+                        return new EmbedBuilder()
+                            .WithOkColor()
+                            .WithTitle(GetText("event_title", type.ToString()))
+                            .WithDescription(GetReactionDescription(opts.Amount, currentPot))
+                            .WithFooter(GetText("event_duration_footer", opts.Hours));
+                    case CurrencyEvent.Type.GameStatus:
+                        return new EmbedBuilder()
+                            .WithOkColor()
+                            .WithTitle(GetText("event_title", type.ToString()))
+                            .WithDescription(GetGameStatusDescription(opts.Amount, currentPot))
+                            .WithFooter(GetText("event_duration_footer", opts.Hours));
+                    default:
+                        break;
+                }
+                throw new ArgumentOutOfRangeException(nameof(type));
+            }
+
+            private string GetReactionDescription(long amount, long potSize)
+            {
+                string potSizeStr = Format.Bold(potSize == 0
+                    ? "∞" + CurrencySign
+                    : potSize.ToString() + CurrencySign);
+                return GetText("new_reaction_event",
+                                   CurrencySign,
+                                   Format.Bold(amount + CurrencySign),
+                                   potSizeStr);
+            }
+
+            private string GetGameStatusDescription(long amount, long potSize)
+            {
+                string potSizeStr = Format.Bold(potSize == 0
+                    ? "∞" + CurrencySign
+                    : potSize.ToString() + CurrencySign);
+                return GetText("new_gamestatus_event",
+                                   CurrencySign,
+                                   Format.Bold(amount + CurrencySign),
+                                   potSizeStr);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/CurrencyRaffleCommands.cs

@@ -0,0 +1,60 @@
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Modules.Gambling.Services;
+using System.Threading.Tasks;
+using Discord;
+using NadekoBot.Extensions;
+using System.Linq;
+using Discord.Commands;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Common;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        public class CurrencyRaffleCommands : GamblingSubmodule<CurrencyRaffleService>
+        {
+            public enum Mixed { Mixed }
+
+            public CurrencyRaffleCommands(GamblingConfigService gamblingConfService) : base(gamblingConfService)
+            {
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(0)]
+            public Task RaffleCur(Mixed _, ShmartNumber amount) =>
+                RaffleCur(amount, true);
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(1)]
+            public async Task RaffleCur(ShmartNumber amount, bool mixed = false)
+            {
+                if (!await CheckBetMandatory(amount).ConfigureAwait(false))
+                    return;
+                async Task OnEnded(IUser arg, long won)
+                {
+                    await ctx.Channel.SendConfirmAsync(GetText("rafflecur_ended", CurrencyName, Format.Bold(arg.ToString()), won + CurrencySign)).ConfigureAwait(false);
+                }
+                var res = await _service.JoinOrCreateGame(ctx.Channel.Id,
+                    ctx.User, amount, mixed, OnEnded)
+                        .ConfigureAwait(false);
+
+                if (res.Item1 != null)
+                {
+                    await ctx.Channel.SendConfirmAsync(GetText("rafflecur", res.Item1.GameType.ToString()),
+                        string.Join("\n", res.Item1.Users.Select(x => $"{x.DiscordUser} ({x.Amount})")),
+                        footer: GetText("rafflecur_joined", ctx.User.ToString())).ConfigureAwait(false);
+                }
+                else
+                {
+                    if (res.Item2 == CurrencyRaffleService.JoinErrorType.AlreadyJoinedOrInvalidAmount)
+                        await ReplyErrorLocalizedAsync("rafflecur_already_joined").ConfigureAwait(false);
+                    else if (res.Item2 == CurrencyRaffleService.JoinErrorType.NotEnoughCurrency)
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                }
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/DiceRollCommands.cs

@@ -0,0 +1,230 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Common;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Image = SixLabors.ImageSharp.Image;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class DiceRollCommands : NadekoSubmodule
+        {
+            private static readonly Regex dndRegex = new Regex(@"^(?<n1>\d+)d(?<n2>\d+)(?:\+(?<add>\d+))?(?:\-(?<sub>\d+))?$", RegexOptions.Compiled);
+            private static readonly Regex fudgeRegex = new Regex(@"^(?<n1>\d+)d(?:F|f)$", RegexOptions.Compiled);
+
+            private static readonly char[] _fateRolls = { '-', ' ', '+' };
+            private readonly IImageCache _images;
+
+            public DiceRollCommands(IDataCache data)
+            {
+                _images = data.LocalImages;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task Roll()
+            {
+                var rng = new NadekoRandom();
+                var gen = rng.Next(1, 101);
+
+                var num1 = gen / 10;
+                var num2 = gen % 10;
+
+                using (var img1 = GetDice(num1))
+                using (var img2 = GetDice(num2))
+                using (var img = new[] { img1, img2 }.Merge(out var format))
+                using (var ms = img.ToStream(format))
+                {
+                    await ctx.Channel.SendFileAsync(ms,
+                        $"dice.{format.FileExtensions.First()}",
+                        Format.Bold(ctx.User.ToString()) + " " + GetText("dice_rolled", Format.Code(gen.ToString()))).ConfigureAwait(false);
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [Priority(1)]
+            public async Task Roll(int num)
+            {
+                await InternalRoll(num, true).ConfigureAwait(false);
+            }
+
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [Priority(1)]
+            public async Task Rolluo(int num = 1)
+            {
+                await InternalRoll(num, false).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [Priority(0)]
+            public async Task Roll(string arg)
+            {
+                await InternallDndRoll(arg, true).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [Priority(0)]
+            public async Task Rolluo(string arg)
+            {
+                await InternallDndRoll(arg, false).ConfigureAwait(false);
+            }
+
+            private async Task InternalRoll(int num, bool ordered)
+            {
+                if (num < 1 || num > 30)
+                {
+                    await ReplyErrorLocalizedAsync("dice_invalid_number", 1, 30).ConfigureAwait(false);
+                    return;
+                }
+
+                var rng = new NadekoRandom();
+
+                var dice = new List<Image<Rgba32>>(num);
+                var values = new List<int>(num);
+                for (var i = 0; i < num; i++)
+                {
+                    var randomNumber = rng.Next(1, 7);
+                    var toInsert = dice.Count;
+                    if (ordered)
+                    {
+                        if (randomNumber == 6 || dice.Count == 0)
+                            toInsert = 0;
+                        else if (randomNumber != 1)
+                            for (var j = 0; j < dice.Count; j++)
+                            {
+                                if (values[j] < randomNumber)
+                                {
+                                    toInsert = j;
+                                    break;
+                                }
+                            }
+                    }
+                    else
+                    {
+                        toInsert = dice.Count;
+                    }
+                    dice.Insert(toInsert, GetDice(randomNumber));
+                    values.Insert(toInsert, randomNumber);
+                }
+
+                using (var bitmap = dice.Merge(out var format))
+                using (var ms = bitmap.ToStream(format))
+                {
+                    foreach (var d in dice)
+                    {
+                        d.Dispose();
+                    }
+
+                    await ctx.Channel.SendFileAsync(ms, $"dice.{format.FileExtensions.First()}",
+                        Format.Bold(ctx.User.ToString()) + " " +
+                        GetText("dice_rolled_num", Format.Bold(values.Count.ToString())) +
+                        " " + GetText("total_average",
+                            Format.Bold(values.Sum().ToString()),
+                            Format.Bold((values.Sum() / (1.0f * values.Count)).ToString("N2")))).ConfigureAwait(false);
+                }
+            }
+
+            private async Task InternallDndRoll(string arg, bool ordered)
+            {
+                Match match;
+                if ((match = fudgeRegex.Match(arg)).Length != 0 &&
+                    int.TryParse(match.Groups["n1"].ToString(), out int n1) &&
+                    n1 > 0 && n1 < 500)
+                {
+                    var rng = new NadekoRandom();
+
+                    var rolls = new List<char>();
+
+                    for (int i = 0; i < n1; i++)
+                    {
+                        rolls.Add(_fateRolls[rng.Next(0, _fateRolls.Length)]);
+                    }
+                    var embed = new EmbedBuilder().WithOkColor().WithDescription(ctx.User.Mention + " " + GetText("dice_rolled_num", Format.Bold(n1.ToString())))
+                        .AddField(efb => efb.WithName(Format.Bold("Result"))
+                            .WithValue(string.Join(" ", rolls.Select(c => Format.Code($"[{c}]")))));
+                    await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+                }
+                else if ((match = dndRegex.Match(arg)).Length != 0)
+                {
+                    var rng = new NadekoRandom();
+                    if (int.TryParse(match.Groups["n1"].ToString(), out n1) &&
+                        int.TryParse(match.Groups["n2"].ToString(), out int n2) &&
+                        n1 <= 50 && n2 <= 100000 && n1 > 0 && n2 > 0)
+                    {
+                        if (!int.TryParse(match.Groups["add"].Value, out int add))
+                            add = 0;
+                        if (!int.TryParse(match.Groups["sub"].Value, out int sub))
+                            sub = 0;
+
+                        var arr = new int[n1];
+                        for (int i = 0; i < n1; i++)
+                        {
+                            arr[i] = rng.Next(1, n2 + 1);
+                        }
+
+                        var sum = arr.Sum();
+                        var embed = new EmbedBuilder().WithOkColor().WithDescription(ctx.User.Mention + " " + GetText("dice_rolled_num", n1) + $"`1 - {n2}`")
+                        .AddField(efb => efb.WithName(Format.Bold("Rolls"))
+                            .WithValue(string.Join(" ", (ordered ? arr.OrderBy(x => x).AsEnumerable() : arr).Select(x => Format.Code(x.ToString())))))
+                        .AddField(efb => efb.WithName(Format.Bold("Sum"))
+                            .WithValue(sum + " + " + add + " - " + sub + " = " + (sum + add - sub)));
+                        await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+                    }
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task NRoll([Leftover] string range)
+            {
+                int rolled;
+                if (range.Contains("-"))
+                {
+                    var arr = range.Split('-')
+                        .Take(2)
+                        .Select(int.Parse)
+                        .ToArray();
+                    if (arr[0] > arr[1])
+                    {
+                        await ReplyErrorLocalizedAsync("second_larger_than_first").ConfigureAwait(false);
+                        return;
+                    }
+                    rolled = new NadekoRandom().Next(arr[0], arr[1] + 1);
+                }
+                else
+                {
+                    rolled = new NadekoRandom().Next(0, int.Parse(range) + 1);
+                }
+
+                await ReplyConfirmLocalizedAsync("dice_rolled", Format.Bold(rolled.ToString())).ConfigureAwait(false);
+            }
+
+            private Image<Rgba32> GetDice(int num)
+            {
+                if (num < 0 || num > 10)
+                    throw new ArgumentOutOfRangeException(nameof(num));
+
+                if (num == 10)
+                {
+                    var images = _images.Dice;
+                    using (var imgOne = Image.Load(images[1]))
+                    using (var imgZero = Image.Load(images[0]))
+                    {
+                        return new[] { imgOne, imgZero }.Merge();
+                    }
+                }
+                return Image.Load(_images.Dice[num]);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/DrawCommands.cs

@@ -0,0 +1,124 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Extensions;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Modules.Gambling.Common;
+using Image = SixLabors.ImageSharp.Image;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
+using NadekoBot.Core.Services;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class DrawCommands : NadekoSubmodule
+        {
+            private static readonly ConcurrentDictionary<IGuild, Deck> _allDecks = new ConcurrentDictionary<IGuild, Deck>();
+            private readonly IImageCache _images;
+
+            public DrawCommands(IDataCache data)
+            {
+                _images = data.LocalImages;
+            }
+
+            private async Task<(Stream ImageStream, string ToSend)> InternalDraw(int num, ulong? guildId = null)
+            {
+                if (num < 1 || num > 10)
+                    throw new ArgumentOutOfRangeException(nameof(num));
+
+                Deck cards = guildId == null ? new Deck() : _allDecks.GetOrAdd(ctx.Guild, (s) => new Deck());
+                var images = new List<Image<Rgba32>>();
+                var cardObjects = new List<Deck.Card>();
+                for (var i = 0; i < num; i++)
+                {
+                    if (cards.CardPool.Count == 0 && i != 0)
+                    {
+                        try
+                        {
+                            await ReplyErrorLocalizedAsync("no_more_cards").ConfigureAwait(false);
+                        }
+                        catch
+                        {
+                            // ignored
+                        }
+                        break;
+                    }
+                    var currentCard = cards.Draw();
+                    cardObjects.Add(currentCard);
+                    images.Add(Image.Load(_images.GetCard(currentCard.ToString().ToLowerInvariant().Replace(' ', '_'))));
+                }
+                using (var img = images.Merge())
+                {
+                    foreach (var i in images)
+                    {
+                        i.Dispose();
+                    }
+
+                    var toSend = $"{Format.Bold(ctx.User.ToString())}";
+                    if (cardObjects.Count == 5)
+                        toSend += $" drew `{Deck.GetHandValue(cardObjects)}`";
+
+                    if (guildId != null)
+                        toSend += "\n" + GetText("cards_left", Format.Bold(cards.CardPool.Count.ToString()));
+
+                    return (img.ToStream(), toSend);
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task Draw(int num = 1)
+            {
+                if (num < 1)
+                    num = 1;
+                if (num > 10)
+                    num = 10;
+
+                var (ImageStream, ToSend) = await InternalDraw(num, ctx.Guild.Id).ConfigureAwait(false);
+                using (ImageStream)
+                {
+                    await ctx.Channel.SendFileAsync(ImageStream, num + " cards.jpg", ToSend).ConfigureAwait(false);
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task DrawNew(int num = 1)
+            {
+                if (num < 1)
+                    num = 1;
+                if (num > 10)
+                    num = 10;
+
+                var (ImageStream, ToSend) = await InternalDraw(num).ConfigureAwait(false);
+                using (ImageStream)
+                {
+                    await ctx.Channel.SendFileAsync(ImageStream, num + " cards.jpg", ToSend).ConfigureAwait(false);
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task DeckShuffle()
+            {
+                //var channel = (ITextChannel)ctx.Channel;
+
+                _allDecks.AddOrUpdate(ctx.Guild,
+                        (g) => new Deck(),
+                        (g, c) =>
+                        {
+                            c.Restart();
+                            return c;
+                        });
+
+                await ReplyConfirmLocalizedAsync("deck_reshuffled").ConfigureAwait(false);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/FlipCoinCommands.cs

@@ -0,0 +1,135 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Common;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Services;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Image = SixLabors.ImageSharp.Image;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class FlipCoinCommands : GamblingSubmodule<GamblingService>
+        {
+            private readonly IImageCache _images;
+            private readonly ICurrencyService _cs;
+            private readonly DbService _db;
+            private static readonly NadekoRandom rng = new NadekoRandom();
+
+            public FlipCoinCommands(IDataCache data, ICurrencyService cs, DbService db,
+                GamblingConfigService gss) : base(gss)
+            {
+                _images = data.LocalImages;
+                _cs = cs;
+                _db = db;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task Flip(int count = 1)
+            {
+                if (count > 10 || count < 1)
+                {
+                    await ReplyErrorLocalizedAsync("flip_invalid", 10).ConfigureAwait(false);
+                    return;
+                }
+                var headCount = 0;
+                var tailCount = 0;
+                var imgs = new Image<Rgba32>[count];
+                for (var i = 0; i < count; i++)
+                {
+                    var headsArr = _images.Heads[rng.Next(0, _images.Heads.Count)];
+                    var tailsArr = _images.Tails[rng.Next(0, _images.Tails.Count)];
+                    if (rng.Next(0, 10) < 5)
+                    {
+                        imgs[i] = Image.Load(headsArr);
+                        headCount++;
+                    }
+                    else
+                    {
+                        imgs[i] = Image.Load(tailsArr);
+                        tailCount++;
+                    }
+                }
+                using (var img = imgs.Merge(out var format))
+                using (var stream = img.ToStream(format))
+                {
+                    foreach (var i in imgs)
+                    {
+                        i.Dispose();
+                    }
+                    var msg = count != 1
+                        ? Format.Bold(ctx.User.ToString()) + " " + GetText("flip_results", count, headCount, tailCount)
+                        : Format.Bold(ctx.User.ToString()) + " " + GetText("flipped", headCount > 0
+                            ? Format.Bold(GetText("heads"))
+                            : Format.Bold(GetText("tails")));
+                    await ctx.Channel.SendFileAsync(stream, $"{count} coins.{format.FileExtensions.First()}", msg).ConfigureAwait(false);
+                }
+            }
+
+            public enum BetFlipGuess
+            {
+                H = 1,
+                Head = 1,
+                Heads = 1,
+                T = 2,
+                Tail = 2,
+                Tails = 2
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task Betflip(ShmartNumber amount, BetFlipGuess guess)
+            {
+                if (!await CheckBetMandatory(amount).ConfigureAwait(false) || amount == 1)
+                    return;
+
+                var removed = await _cs.RemoveAsync(ctx.User, "Betflip Gamble", amount, false, gamble: true).ConfigureAwait(false);
+                if (!removed)
+                {
+                    await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                    return;
+                }
+                BetFlipGuess result;
+                Uri imageToSend;
+                var coins = _images.ImageUrls.Coins;
+                if (rng.Next(0, 1000) <= 499)
+                {
+                    imageToSend = coins.Heads[rng.Next(0, coins.Heads.Length)];
+                    result = BetFlipGuess.Heads;
+                }
+                else
+                {
+                    imageToSend = coins.Tails[rng.Next(0, coins.Tails.Length)];
+                    result = BetFlipGuess.Tails;
+                }
+
+                string str;
+                if (guess == result)
+                {
+                    var toWin = (long)(amount * _config.BetFlip.Multiplier);
+                    str = Format.Bold(ctx.User.ToString()) + " " + GetText("flip_guess", toWin + CurrencySign);
+                    await _cs.AddAsync(ctx.User, "Betflip Gamble", toWin, false, gamble: true).ConfigureAwait(false);
+                }
+                else
+                {
+                    str = ctx.User.ToString() + " " + GetText("better_luck");
+                }
+
+                await ctx.Channel.EmbedAsync(new EmbedBuilder()
+                    .WithDescription(str)
+                    .WithOkColor()
+                    .WithImageUrl(imageToSend.ToString())).ConfigureAwait(false);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Gambling.cs

@@ -0,0 +1,669 @@
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using NadekoBot.Common;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Services;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Numerics;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+using NadekoBot.Core.Services.Database;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling : GamblingModule<GamblingService>
+    {
+        private readonly DbService _db;
+        private readonly ICurrencyService _cs;
+        private readonly IDataCache _cache;
+        private readonly DiscordSocketClient _client;
+        private readonly NumberFormatInfo _enUsCulture;
+        private readonly DownloadTracker _tracker;
+        private readonly GamblingConfigService _configService;
+
+        public Gambling(DbService db, ICurrencyService currency,
+            IDataCache cache, DiscordSocketClient client,
+            DownloadTracker tracker, GamblingConfigService configService) : base(configService)
+        {
+            _db = db;
+            _cs = currency;
+            _cache = cache;
+            _client = client;
+            _enUsCulture = new CultureInfo("en-US", false).NumberFormat;
+            _enUsCulture.NumberDecimalDigits = 0;
+            _enUsCulture.NumberGroupSeparator = " ";
+            _tracker = tracker;
+            _configService = configService;
+        }
+
+        private string n(long cur) => cur.ToString("N", _enUsCulture);
+
+        public string GetCurrency(ulong id)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                return n(uow.DiscordUsers.GetUserCurrency(id));
+            }
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        public async Task Economy()
+        {
+            var ec = _service.GetEconomy();
+            decimal onePercent = 0;
+            if (ec.Cash > 0)
+            {
+                onePercent = ec.OnePercent / (ec.Cash-ec.Bot); // This stops the top 1% from owning more than 100% of the money
+                // [21:03] Bob Page: Kinda remids me of US economy
+            }
+            var embed = new EmbedBuilder()
+                .WithTitle(GetText("economy_state"))
+                .AddField(GetText("currency_owned"), ((BigInteger)(ec.Cash - ec.Bot)) + CurrencySign)
+                .AddField(GetText("currency_one_percent"), (onePercent * 100).ToString("F2") + "%")
+                .AddField(GetText("currency_planted"), ((BigInteger)ec.Planted) + CurrencySign)
+                .AddField(GetText("owned_waifus_total"), ((BigInteger)ec.Waifus) + CurrencySign)
+                .AddField(GetText("bot_currency"), ec.Bot + CurrencySign)
+                .AddField(GetText("total"), ((BigInteger)(ec.Cash + ec.Planted + ec.Waifus)).ToString("N", _enUsCulture) + CurrencySign)
+                .WithOkColor();
+                // ec.Cash already contains ec.Bot as it's the total of all values in the CurrencyAmount column of the DiscordUser table
+            await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        public async Task Timely()
+        {
+            var val = _config.Timely.Amount;
+            var period = _config.Timely.Cooldown;
+            if (val <= 0 || period <= 0)
+            {
+                await ReplyErrorLocalizedAsync("timely_none").ConfigureAwait(false);
+                return;
+            }
+
+            TimeSpan? rem;
+            if ((rem = _cache.AddTimelyClaim(ctx.User.Id, period)) != null)
+            {
+                await ReplyErrorLocalizedAsync("timely_already_claimed", rem?.ToString(@"dd\d\ hh\h\ mm\m\ ss\s")).ConfigureAwait(false);
+                return;
+            }
+
+            await _cs.AddAsync(ctx.User.Id, "Timely claim", val).ConfigureAwait(false);
+
+            await ReplyConfirmLocalizedAsync("timely", n(val) + CurrencySign, period).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        public async Task TimelyReset()
+        {
+            _cache.RemoveAllTimelyClaims();
+            await ReplyConfirmLocalizedAsync("timely_reset").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        public async Task TimelySet(int amount, int period = 24)
+        {
+            if (amount < 0 || period < 0)
+                return;
+            
+            _configService.ModifyConfig(gs =>
+            {
+                gs.Timely.Amount = amount;
+                gs.Timely.Cooldown = period;
+            });
+            
+            if (amount == 0)
+                await ReplyConfirmLocalizedAsync("timely_set_none").ConfigureAwait(false);
+            else
+                await ReplyConfirmLocalizedAsync("timely_set", Format.Bold(n(amount) + CurrencySign), Format.Bold(period.ToString())).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        public async Task Raffle([Leftover] IRole role = null)
+        {
+            role = role ?? ctx.Guild.EveryoneRole;
+
+            var members = (await role.GetMembersAsync().ConfigureAwait(false)).Where(u => u.Status != UserStatus.Offline);
+            var membersArray = members as IUser[] ?? members.ToArray();
+            if (membersArray.Length == 0)
+            {
+                return;
+            }
+            var usr = membersArray[new NadekoRandom().Next(0, membersArray.Length)];
+            await ctx.Channel.SendConfirmAsync("🎟 " + GetText("raffled_user"), $"**{usr.Username}#{usr.Discriminator}**", footer: $"ID: {usr.Id}").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        public async Task RaffleAny([Leftover] IRole role = null)
+        {
+            role = role ?? ctx.Guild.EveryoneRole;
+
+            var members = (await role.GetMembersAsync().ConfigureAwait(false));
+            var membersArray = members as IUser[] ?? members.ToArray();
+            if (membersArray.Length == 0)
+            {
+                return;
+            }
+            var usr = membersArray[new NadekoRandom().Next(0, membersArray.Length)];
+            await ctx.Channel.SendConfirmAsync("🎟 " + GetText("raffled_user"), $"**{usr.Username}#{usr.Discriminator}**", footer: $"ID: {usr.Id}").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [Priority(1)]
+        public async Task Cash([Leftover] IUser user = null)
+        {
+            user = user ?? ctx.User;
+            await ConfirmLocalizedAsync("has", Format.Bold(user.ToString()), $"{GetCurrency(user.Id)} {CurrencySign}").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [Priority(2)]
+        public Task CurrencyTransactions(int page = 1) =>
+            InternalCurrencyTransactions(ctx.User.Id, page);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        [Priority(0)]
+        public Task CurrencyTransactions([Leftover] IUser usr) =>
+            InternalCurrencyTransactions(usr.Id, 1);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        [Priority(1)]
+        public Task CurrencyTransactions(IUser usr, int page) =>
+            InternalCurrencyTransactions(usr.Id, page);
+
+        private async Task InternalCurrencyTransactions(ulong userId, int page)
+        {
+            if (--page < 0)
+                return;
+
+            var trs = new List<CurrencyTransaction>();
+            using (var uow = _db.GetDbContext())
+            {
+                trs = uow._context.CurrencyTransactions.GetPageFor(userId, page);
+            }
+
+            var embed = new EmbedBuilder()
+                .WithTitle(GetText("transactions",
+                    ((SocketGuild)ctx.Guild)?.GetUser(userId)?.ToString() ?? $"{userId}"))
+                .WithOkColor();
+
+            var desc = "";
+            foreach (var tr in trs)
+            {
+                var type = tr.Amount > 0 ? "🔵" : "🔴";
+                var date = Format.Code($"〖{tr.DateAdded:HH:mm yyyy-MM-dd}〗");
+                desc += $"\\{type} {date} {Format.Bold(n(tr.Amount))}\n\t{tr.Reason?.Trim()}\n";
+            }
+
+            embed.WithDescription(desc);
+            embed.WithFooter(GetText("page", page + 1));
+            await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [Priority(0)]
+        public async Task Cash(ulong userId)
+        {
+            await ReplyConfirmLocalizedAsync("has", Format.Code(userId.ToString()), $"{GetCurrency(userId)} {CurrencySign}").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [Priority(0)]
+        public async Task Give(ShmartNumber amount, IGuildUser receiver, [Leftover] string msg = null)
+        {
+            if (amount <= 0 || ctx.User.Id == receiver.Id || receiver.IsBot)
+                return;
+            var success = await _cs.RemoveAsync((IGuildUser)ctx.User, $"Gift to {receiver.Username} ({receiver.Id}).", amount, false).ConfigureAwait(false);
+            if (!success)
+            {
+                await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                return;
+            }
+            await _cs.AddAsync(receiver, $"Gift from {ctx.User.Username} ({ctx.User.Id}) - {msg}.", amount, true).ConfigureAwait(false);
+            await ReplyConfirmLocalizedAsync("gifted", n(amount) + CurrencySign, Format.Bold(receiver.ToString()), msg)
+                .ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [Priority(1)]
+        public Task Give(ShmartNumber amount, [Leftover] IGuildUser receiver)
+            => Give(amount, receiver, null);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        [Priority(0)]
+        public Task Award(ShmartNumber amount, IGuildUser usr, [Leftover] string msg) =>
+            Award(amount, usr.Id, msg);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        [Priority(1)]
+        public Task Award(ShmartNumber amount, [Leftover] IGuildUser usr) =>
+            Award(amount, usr.Id);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        [Priority(2)]
+        public async Task Award(ShmartNumber amount, ulong usrId, [Leftover] string msg = null)
+        {
+            if (amount <= 0)
+                return;
+
+            await _cs.AddAsync(usrId,
+                $"Awarded by bot owner. ({ctx.User.Username}/{ctx.User.Id}) {(msg ?? "")}",
+                amount,
+                gamble: (ctx.Client.CurrentUser.Id != usrId)).ConfigureAwait(false);
+            await ReplyConfirmLocalizedAsync("awarded", n(amount) + CurrencySign, $"<@{usrId}>").ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        [Priority(2)]
+        public async Task Award(ShmartNumber amount, [Leftover] IRole role)
+        {
+            var users = (await ctx.Guild.GetUsersAsync().ConfigureAwait(false))
+                               .Where(u => u.GetRoles().Contains(role))
+                               .ToList();
+
+            await _cs.AddBulkAsync(users.Select(x => x.Id),
+                users.Select(x => $"Awarded by bot owner to **{role.Name}** role. ({ctx.User.Username}/{ctx.User.Id})"),
+                users.Select(x => amount.Value),
+                gamble: true)
+                .ConfigureAwait(false);
+
+            await ReplyConfirmLocalizedAsync("mass_award",
+                n(amount) + CurrencySign,
+                Format.Bold(users.Count.ToString()),
+                Format.Bold(role.Name)).ConfigureAwait(false);
+        }
+        
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        [Priority(0)]
+        public async Task Take(ShmartNumber amount, [Leftover] IRole role)
+        {
+            var users = (await role.GetMembersAsync()).ToList();
+
+            await _cs.RemoveBulkAsync(users.Select(x => x.Id),
+                    users.Select(x => $"Taken by bot owner from **{role.Name}** role. ({ctx.User.Username}/{ctx.User.Id})"),
+                    users.Select(x => amount.Value),
+                    gamble: true)
+                .ConfigureAwait(false);
+
+            await ReplyConfirmLocalizedAsync("mass_take",
+                n(amount) + CurrencySign,
+                Format.Bold(users.Count.ToString()),
+                Format.Bold(role.Name)).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        [Priority(1)]
+        public async Task Take(ShmartNumber amount, [Leftover] IGuildUser user)
+        {
+            if (amount <= 0)
+                return;
+
+            if (await _cs.RemoveAsync(user, $"Taken by bot owner.({ctx.User.Username}/{ctx.User.Id})", amount,
+                gamble: (ctx.Client.CurrentUser.Id != user.Id)).ConfigureAwait(false))
+                await ReplyConfirmLocalizedAsync("take", n(amount) + CurrencySign, Format.Bold(user.ToString())).ConfigureAwait(false);
+            else
+                await ReplyErrorLocalizedAsync("take_fail", n(amount) + CurrencySign, Format.Bold(user.ToString()), CurrencySign).ConfigureAwait(false);
+        }
+
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [OwnerOnly]
+        public async Task Take(ShmartNumber amount, [Leftover] ulong usrId)
+        {
+            if (amount <= 0)
+                return;
+
+            if (await _cs.RemoveAsync(usrId, $"Taken by bot owner.({ctx.User.Username}/{ctx.User.Id})", amount,
+                gamble: (ctx.Client.CurrentUser.Id != usrId)).ConfigureAwait(false))
+                await ReplyConfirmLocalizedAsync("take", amount + CurrencySign, $"<@{usrId}>").ConfigureAwait(false);
+            else
+                await ReplyErrorLocalizedAsync("take_fail", amount + CurrencySign, Format.Code(usrId.ToString()), CurrencySign).ConfigureAwait(false);
+        }
+
+        private IUserMessage rdMsg = null;
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        public async Task RollDuel(IUser u)
+        {
+            if (ctx.User.Id == u.Id)
+                return;
+
+            //since the challenge is created by another user, we need to reverse the ids
+            //if it gets removed, means challenge is accepted
+            if (_service.Duels.TryRemove((ctx.User.Id, u.Id), out var game))
+            {
+                await game.StartGame().ConfigureAwait(false);
+            }
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        public async Task RollDuel(ShmartNumber amount, IUser u)
+        {
+            if (ctx.User.Id == u.Id)
+                return;
+
+            if (amount <= 0)
+                return;
+
+            var embed = new EmbedBuilder()
+                    .WithOkColor()
+                    .WithTitle(GetText("roll_duel"));
+
+            var game = new RollDuelGame(_cs, _client.CurrentUser.Id, ctx.User.Id, u.Id, amount);
+            //means challenge is just created
+            if (_service.Duels.TryGetValue((ctx.User.Id, u.Id), out var other))
+            {
+                if (other.Amount != amount)
+                {
+                    await ReplyErrorLocalizedAsync("roll_duel_already_challenged").ConfigureAwait(false);
+                }
+                else
+                {
+                    await RollDuel(u).ConfigureAwait(false);
+                }
+                return;
+            }
+            if (_service.Duels.TryAdd((u.Id, ctx.User.Id), game))
+            {
+                game.OnGameTick += Game_OnGameTick;
+                game.OnEnded += Game_OnEnded;
+
+                await ReplyConfirmLocalizedAsync("roll_duel_challenge",
+                    Format.Bold(ctx.User.ToString()),
+                    Format.Bold(u.ToString()),
+                    Format.Bold(amount + CurrencySign))
+                        .ConfigureAwait(false);
+            }
+
+            async Task Game_OnGameTick(RollDuelGame arg)
+            {
+                var rolls = arg.Rolls.Last();
+                embed.Description += $@"{Format.Bold(ctx.User.ToString())} rolled **{rolls.Item1}**
+{Format.Bold(u.ToString())} rolled **{rolls.Item2}**
+--
+";
+
+                if (rdMsg == null)
+                {
+                    rdMsg = await ctx.Channel.EmbedAsync(embed)
+                        .ConfigureAwait(false);
+                }
+                else
+                {
+                    await rdMsg.ModifyAsync(x =>
+                    {
+                        x.Embed = embed.Build();
+                    }).ConfigureAwait(false);
+                }
+            }
+
+            async Task Game_OnEnded(RollDuelGame rdGame, RollDuelGame.Reason reason)
+            {
+                try
+                {
+                    if (reason == RollDuelGame.Reason.Normal)
+                    {
+                        var winner = rdGame.Winner == rdGame.P1
+                            ? ctx.User
+                            : u;
+                        embed.Description += $"\n**{winner}** Won {n(((long)(rdGame.Amount * 2 * 0.98))) + CurrencySign}";
+                        await rdMsg.ModifyAsync(x => x.Embed = embed.Build())
+                            .ConfigureAwait(false);
+                    }
+                    else if (reason == RollDuelGame.Reason.Timeout)
+                    {
+                        await ReplyErrorLocalizedAsync("roll_duel_timeout").ConfigureAwait(false);
+                    }
+                    else if (reason == RollDuelGame.Reason.NoFunds)
+                    {
+                        await ReplyErrorLocalizedAsync("roll_duel_no_funds").ConfigureAwait(false);
+                    }
+                }
+                finally
+                {
+                    _service.Duels.TryRemove((u.Id, ctx.User.Id), out var _);
+                }
+            }
+        }
+
+        private async Task InternallBetroll(long amount)
+        {
+            if (!await CheckBetMandatory(amount).ConfigureAwait(false))
+                return;
+
+            if (!await _cs.RemoveAsync(ctx.User, "Betroll Gamble", amount, false, gamble: true).ConfigureAwait(false))
+            {
+                await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                return;
+            }
+
+            var br = new Betroll(base._config.BetRoll);
+
+            var result = br.Roll();
+
+
+            var str = Format.Bold(ctx.User.ToString()) + Format.Code(GetText("roll", result.Roll));
+            if (result.Multiplier > 0)
+            {
+                var win = (long)(amount * result.Multiplier);
+                str += GetText("br_win",
+                    n(win) + CurrencySign,
+                    result.Threshold + (result.Roll == 100 ? " 👑" : ""));
+                await _cs.AddAsync(ctx.User, "Betroll Gamble",
+                    win, false, gamble: true).ConfigureAwait(false);
+            }
+            else
+            {
+                str += GetText("better_luck");
+            }
+            
+            await ctx.Channel.SendConfirmAsync(str).ConfigureAwait(false);
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        public Task BetRoll(ShmartNumber amount)
+            => InternallBetroll(amount);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [NadekoOptions(typeof(LbOpts))]
+        [Priority(0)]
+        public Task Leaderboard(params string[] args)
+            => Leaderboard(1, args);
+
+        [NadekoCommand, Usage, Description, Aliases]
+        [NadekoOptions(typeof(LbOpts))]
+        [Priority(1)]
+        public async Task Leaderboard(int page = 1, params string[] args)
+        {
+            if (--page < 0)
+                return;
+
+            var (opts, _) = OptionsParser.ParseFrom(new LbOpts(), args);
+
+            List<DiscordUser> cleanRichest = new List<DiscordUser>();
+            // it's pointless to have clean on dm context
+            if (Context.Guild is null)
+            {
+                opts.Clean = false;
+            }
+
+            if (opts.Clean)
+            {
+                var now = DateTime.UtcNow;
+
+                using (var uow = _db.GetDbContext())
+                {
+                    cleanRichest = uow.DiscordUsers.GetTopRichest(_client.CurrentUser.Id, 10_000);
+                }
+                
+                await Context.Channel.TriggerTypingAsync().ConfigureAwait(false);
+                await _tracker.EnsureUsersDownloadedAsync(ctx.Guild).ConfigureAwait(false);
+
+                var sg = (SocketGuild)Context.Guild;
+                cleanRichest = cleanRichest.Where(x => sg.GetUser(x.UserId) != null)
+                    .ToList();
+            }
+            else
+            {
+                using (var uow = _db.GetDbContext())
+                {
+                    cleanRichest = uow.DiscordUsers.GetTopRichest(_client.CurrentUser.Id, 9, page).ToList();
+                }
+            }
+
+            await Context.SendPaginatedConfirmAsync(page, curPage =>
+            {
+                var embed = new EmbedBuilder()
+                   .WithOkColor()
+                   .WithTitle(CurrencySign + " " + GetText("leaderboard"));
+
+                List<DiscordUser> toSend;
+                if (!opts.Clean)
+                {
+                    using (var uow = _db.GetDbContext())
+                    {
+                        toSend = uow.DiscordUsers.GetTopRichest(_client.CurrentUser.Id, 9, curPage);
+                    }
+                }
+                else
+                {
+                    toSend = cleanRichest.Skip(curPage * 9).Take(9).ToList();
+                }
+                 if (!toSend.Any())
+                 {
+                     embed.WithDescription(GetText("no_user_on_this_page"));
+                     return embed;
+                 }
+
+                 for (var i = 0; i < toSend.Count; i++)
+                 {
+                     var x = toSend[i];
+                     var usrStr = x.ToString().TrimTo(20, true);
+
+                     var j = i;
+                     embed.AddField(efb => efb.WithName("#" + (9 * curPage + j + 1) + " " + usrStr)
+                                              .WithValue(n(x.CurrencyAmount) + " " + CurrencySign)
+                                              .WithIsInline(true));
+                 }
+
+                 return embed;
+             }, opts.Clean ? cleanRichest.Count() : 9000, 9, opts.Clean);
+        }
+
+
+        public enum RpsPick
+        {
+            R = 0,
+            Rock = 0,
+            Rocket = 0,
+            P = 1,
+            Paper = 1,
+            Paperclip = 1,
+            S = 2,
+            Scissors = 2
+        }
+
+        public enum RpsResult
+        {
+            Win,
+            Loss,
+            Draw,
+        }
+
+        [NadekoCommand, Usage, Description, Aliases]
+        public async Task Rps(RpsPick pick, ShmartNumber amount = default)
+        {
+            long oldAmount = amount;
+            if (!await CheckBetOptional(amount).ConfigureAwait(false) || (amount == 1))
+                return;
+
+            string getRpsPick(RpsPick p)
+            {
+                switch (p)
+                {
+                    case RpsPick.R:
+                        return "🚀";
+                    case RpsPick.P:
+                        return "📎";
+                    default:
+                        return "✂️";
+                }
+            }
+            var embed = new EmbedBuilder();
+
+            var nadekoPick = (RpsPick)new NadekoRandom().Next(0, 3);
+
+            if (amount > 0)
+            {
+                if (!await _cs.RemoveAsync(ctx.User.Id,
+                    "Rps-bet", amount, gamble: true).ConfigureAwait(false))
+                {
+                    await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                    return;
+                }
+            }
+
+            string msg;
+            if (pick == nadekoPick)
+            {
+                await _cs.AddAsync(ctx.User.Id,
+                    "Rps-draw", amount, gamble: true).ConfigureAwait(false);
+                embed.WithOkColor();
+                msg = GetText("rps_draw", getRpsPick(pick));
+            }
+            else if ((pick == RpsPick.Paper && nadekoPick == RpsPick.Rock) ||
+                     (pick == RpsPick.Rock && nadekoPick == RpsPick.Scissors) ||
+                     (pick == RpsPick.Scissors && nadekoPick == RpsPick.Paper))
+            {
+                amount = (long)(amount * base._config.BetFlip.Multiplier);
+                await _cs.AddAsync(ctx.User.Id,
+                    "Rps-win", amount, gamble: true).ConfigureAwait(false);
+                embed.WithOkColor();
+                embed.AddField(GetText("won"), n(amount));
+                msg = GetText("rps_win", ctx.User.Mention,
+                    getRpsPick(pick), getRpsPick(nadekoPick));
+            }
+            else
+            {
+                embed.WithErrorColor();
+                amount = 0;
+                msg = GetText("rps_win", ctx.Client.CurrentUser.Mention, getRpsPick(nadekoPick),
+                    getRpsPick(pick));
+            }
+
+            embed
+                .WithDescription(msg);
+
+            await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/AnimalRaceService.cs

@@ -0,0 +1,21 @@
+using System.Threading.Tasks;
+using NadekoBot.Core.Services;
+using System.Collections.Concurrent;
+using NadekoBot.Modules.Gambling.Common.AnimalRacing;
+
+namespace NadekoBot.Modules.Gambling.Services
+{
+    public class AnimalRaceService : INService, IUnloadableService
+    {
+        public ConcurrentDictionary<ulong, AnimalRace> AnimalRaces { get; } = new ConcurrentDictionary<ulong, AnimalRace>();
+
+        public Task Unload()
+        {
+            foreach (var kvp in AnimalRaces)
+            {
+                try { kvp.Value.Dispose(); } catch { }
+            }
+            return Task.CompletedTask;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/BlackJackService.cs

@@ -0,0 +1,11 @@
+using NadekoBot.Core.Modules.Gambling.Common.Blackjack;
+using NadekoBot.Core.Services;
+using System.Collections.Concurrent;
+
+namespace NadekoBot.Core.Modules.Gambling.Services
+{
+    public class BlackJackService : INService
+    {
+        public ConcurrentDictionary<ulong, Blackjack> Games { get; } = new ConcurrentDictionary<ulong, Blackjack>();
+    }
+}

src/NadekoBot/Modules/Gambling/Services/CurrencyEventsService.cs

@@ -0,0 +1,137 @@
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Modules.Gambling.Common.Events;
+using System.Collections.Concurrent;
+using NadekoBot.Modules.Gambling.Common;
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+using System;
+using NadekoBot.Core.Services.Database.Models;
+using System.Net.Http;
+using Newtonsoft.Json;
+using System.Linq;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Serilog;
+
+namespace NadekoBot.Modules.Gambling.Services
+{
+    public class CurrencyEventsService : INService
+    {
+        public class VoteModel
+        {
+            public ulong User { get; set; }
+            public long Date { get; set; }
+        }
+        private readonly DiscordSocketClient _client;
+        private readonly ICurrencyService _cs;
+        private readonly IBotCredentials _creds;
+        private readonly IHttpClientFactory _http;
+        private readonly GamblingConfigService _configService;
+        private readonly ConcurrentDictionary<ulong, ICurrencyEvent> _events =
+            new ConcurrentDictionary<ulong, ICurrencyEvent>();
+
+        public CurrencyEventsService(DiscordSocketClient client,
+            IBotCredentials creds, ICurrencyService cs,
+            IHttpClientFactory http, GamblingConfigService configService)
+        {
+            _client = client;
+            _cs = cs;
+            _creds = creds;
+            _http = http;
+            _configService = configService;
+            
+            if (_client.ShardId == 0)
+            {
+                Task t = BotlistUpvoteLoop();
+            }
+        }
+
+        private async Task BotlistUpvoteLoop()
+        {
+            if (string.IsNullOrWhiteSpace(_creds.VotesUrl))
+                return;
+            while (true)
+            {
+                await Task.Delay(TimeSpan.FromHours(1)).ConfigureAwait(false);
+                await TriggerVoteCheck().ConfigureAwait(false);
+            }
+        }
+
+        private async Task TriggerVoteCheck()
+        {
+            try
+            {
+                using (var req = new HttpRequestMessage(HttpMethod.Get, _creds.VotesUrl))
+                {
+                    if (!string.IsNullOrWhiteSpace(_creds.VotesToken))
+                        req.Headers.Add("Authorization", _creds.VotesToken);
+                    using (var http = _http.CreateClient())
+                    using (var res = await http.SendAsync(req).ConfigureAwait(false))
+                    {
+                        if (!res.IsSuccessStatusCode)
+                        {
+                            Log.Warning("Botlist API not reached.");
+                            return;
+                        }
+                        var resStr = await res.Content.ReadAsStringAsync().ConfigureAwait(false);
+                        var ids = JsonConvert.DeserializeObject<VoteModel[]>(resStr)
+                            .Select(x => x.User)
+                            .Distinct();
+                        await _cs.AddBulkAsync(ids, ids.Select(x => "Voted - <https://discordbots.org/bot/nadeko/vote>"), ids.Select(x => 10L), true).ConfigureAwait(false);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in TriggerVoteCheck");
+            }
+        }
+
+        public async Task<bool> TryCreateEventAsync(ulong guildId, ulong channelId, CurrencyEvent.Type type,
+            EventOptions opts, Func<CurrencyEvent.Type, EventOptions, long, EmbedBuilder> embed)
+        {
+            SocketGuild g = _client.GetGuild(guildId);
+            SocketTextChannel ch = g?.GetChannel(channelId) as SocketTextChannel;
+            if (ch == null)
+                return false;
+
+            ICurrencyEvent ce;
+
+            if (type == CurrencyEvent.Type.Reaction)
+            {
+                ce = new ReactionEvent(_client, _cs, g, ch, opts, _configService.Data, embed);
+            }
+            else if (type == CurrencyEvent.Type.GameStatus)
+            {
+                ce = new GameStatusEvent(_client, _cs, g, ch, opts, embed);
+            }
+            else
+            {
+                return false;
+            }
+
+            var added = _events.TryAdd(guildId, ce);
+            if (added)
+            {
+                try
+                {
+                    ce.OnEnded += OnEventEnded;
+                    await ce.StartEvent().ConfigureAwait(false);
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex, "Error starting event");
+                    _events.TryRemove(guildId, out ce);
+                    return false;
+                }
+            }
+            return added;
+        }
+
+        private Task OnEventEnded(ulong gid)
+        {
+            _events.TryRemove(gid, out _);
+            return Task.CompletedTask;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/CurrencyRaffleService.cs

@@ -0,0 +1,88 @@
+using System.Threading.Tasks;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Modules.Gambling.Common;
+using System.Threading;
+using System.Linq;
+using System.Collections.Generic;
+using Discord;
+using System;
+
+namespace NadekoBot.Core.Modules.Gambling.Services
+{
+    public class CurrencyRaffleService : INService
+    {
+        public enum JoinErrorType
+        {
+            NotEnoughCurrency,
+            AlreadyJoinedOrInvalidAmount
+        }
+        private readonly SemaphoreSlim _locker = new SemaphoreSlim(1, 1);
+        private readonly DbService _db;
+        private readonly ICurrencyService _cs;
+
+        public Dictionary<ulong, CurrencyRaffleGame> Games { get; } = new Dictionary<ulong, CurrencyRaffleGame>();
+
+        public CurrencyRaffleService(DbService db, ICurrencyService cs)
+        {
+            _db = db;
+            _cs = cs;
+        }
+
+        public async Task<(CurrencyRaffleGame, JoinErrorType?)> JoinOrCreateGame(ulong channelId, IUser user, long amount, bool mixed, Func<IUser, long, Task> onEnded)
+        {
+            await _locker.WaitAsync().ConfigureAwait(false);
+            try
+            {
+                var newGame = false;
+                if (!Games.TryGetValue(channelId, out var crg))
+                {
+                    newGame = true;
+                    crg = new CurrencyRaffleGame(mixed
+                        ? CurrencyRaffleGame.Type.Mixed
+                        : CurrencyRaffleGame.Type.Normal);
+                    Games.Add(channelId, crg);
+                }
+
+                //remove money, and stop the game if this 
+                // user created it and doesn't have the money
+                if (!await _cs.RemoveAsync(user.Id, "Currency Raffle Join", amount).ConfigureAwait(false))
+                {
+                    if (newGame)
+                        Games.Remove(channelId);
+                    return (null, JoinErrorType.NotEnoughCurrency);
+                }
+
+                if (!crg.AddUser(user, amount))
+                {
+                    await _cs.AddAsync(user.Id, "Curency Raffle Refund", amount).ConfigureAwait(false);
+                    return (null, JoinErrorType.AlreadyJoinedOrInvalidAmount);
+                }
+                if (newGame)
+                {
+                    var _t = Task.Run(async () =>
+                    {
+                        await Task.Delay(60000).ConfigureAwait(false);
+                        await _locker.WaitAsync().ConfigureAwait(false);
+                        try
+                        {
+                            var winner = crg.GetWinner();
+                            var won = crg.Users.Sum(x => x.Amount);
+
+                            await _cs.AddAsync(winner.DiscordUser.Id, "Currency Raffle Win",
+                                won).ConfigureAwait(false);
+                            Games.Remove(channelId, out _);
+                            var oe = onEnded(winner.DiscordUser, won);
+                        }
+                        catch { }
+                        finally { _locker.Release(); }
+                    });
+                }
+                return (crg, null);
+            }
+            finally
+            {
+                _locker.Release();
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/GamblingConfigService.cs

@@ -0,0 +1,42 @@
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Common.Configs;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+
+namespace NadekoBot.Core.Modules.Gambling.Services
+{
+    public sealed class GamblingConfigService : ConfigServiceBase<GamblingConfig>
+    {
+        public override string Name { get; } = "gambling";
+        private const string FilePath = "data/gambling.yml";
+        private static TypedKey<GamblingConfig> changeKey = new TypedKey<GamblingConfig>("config.gambling.updated");
+
+        
+        public GamblingConfigService(IConfigSeria serializer, IPubSub pubSub)
+            : base(FilePath, serializer, pubSub, changeKey)
+        {
+            AddParsedProp("currency.name", gs => gs.Currency.Name, ConfigParsers.String, ConfigPrinters.ToString);
+            AddParsedProp("currency.sign", gs => gs.Currency.Sign, ConfigParsers.String, ConfigPrinters.ToString);
+            
+            AddParsedProp("minbet", gs => gs.MinBet, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("maxbet", gs => gs.MaxBet, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            
+            AddParsedProp("gen.min", gs => gs.Generation.MinAmount, int.TryParse, ConfigPrinters.ToString, val => val >= 1);
+            AddParsedProp("gen.max", gs => gs.Generation.MaxAmount, int.TryParse, ConfigPrinters.ToString, val => val >= 1);
+            AddParsedProp("gen.cd", gs => gs.Generation.GenCooldown, int.TryParse, ConfigPrinters.ToString, val => val > 0);
+            AddParsedProp("gen.chance", gs => gs.Generation.Chance, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0 && val <= 1);
+            AddParsedProp("gen.has_pw", gs => gs.Generation.HasPassword, bool.TryParse, ConfigPrinters.ToString);
+            AddParsedProp("bf.multi", gs => gs.BetFlip.Multiplier, decimal.TryParse, ConfigPrinters.ToString, val => val >= 1);
+            AddParsedProp("waifu.min_price", gs => gs.Waifu.MinPrice, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("waifu.multi.reset", gs => gs.Waifu.Multipliers.WaifuReset, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("waifu.multi.crush_claim", gs => gs.Waifu.Multipliers.CrushClaim, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("waifu.multi.normal_claim", gs => gs.Waifu.Multipliers.NormalClaim, decimal.TryParse, ConfigPrinters.ToString, val => val > 0);
+            AddParsedProp("waifu.multi.divorce_value", gs => gs.Waifu.Multipliers.DivorceNewValue, decimal.TryParse, ConfigPrinters.ToString, val => val > 0);
+            AddParsedProp("waifu.multi.all_gifts", gs => gs.Waifu.Multipliers.AllGiftPrices, decimal.TryParse, ConfigPrinters.ToString, val => val > 0);
+            AddParsedProp("waifu.multi.gift_effect", gs => gs.Waifu.Multipliers.GiftEffect, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("decay.percent", gs => gs.Decay.Percent, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0 && val <= 1);
+            AddParsedProp("decay.maxdecay", gs => gs.Decay.MaxDecay, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+            AddParsedProp("decay.threshold", gs => gs.Decay.MinThreshold, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/GamblingService.cs

@@ -0,0 +1,162 @@
+using Discord.WebSocket;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Services;
+using NadekoBot.Modules.Gambling.Common.Connect4;
+using NadekoBot.Modules.Gambling.Common.WheelOfFortune;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Concurrent;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Serilog;
+
+namespace NadekoBot.Modules.Gambling.Services
+{
+    public class GamblingService : INService
+    {
+        private readonly DbService _db;
+        private readonly ICurrencyService _cs;
+        private readonly NadekoBot _bot;
+        private readonly DiscordSocketClient _client;
+        private readonly IDataCache _cache;
+        private readonly GamblingConfigService _gss;
+
+        public ConcurrentDictionary<(ulong, ulong), RollDuelGame> Duels { get; } = new ConcurrentDictionary<(ulong, ulong), RollDuelGame>();
+        public ConcurrentDictionary<ulong, Connect4Game> Connect4Games { get; } = new ConcurrentDictionary<ulong, Connect4Game>();
+
+        private readonly Timer _decayTimer;
+
+        public GamblingService(DbService db, NadekoBot bot, ICurrencyService cs,
+            DiscordSocketClient client, IDataCache cache, GamblingConfigService gss)
+        {
+            _db = db;
+            _cs = cs;
+            _bot = bot;
+            _client = client;
+            _cache = cache;
+            _gss = gss;
+            
+            if (_bot.Client.ShardId == 0)
+            {
+                _decayTimer = new Timer(_ =>
+                {
+                    var config = _gss.Data;
+                    var maxDecay = config.Decay.MaxDecay;
+                    if (config.Decay.Percent <= 0 || config.Decay.Percent > 1 || maxDecay < 0)
+                        return;
+
+                    using (var uow = _db.GetDbContext())
+                    {
+                        var lastCurrencyDecay = _cache.GetLastCurrencyDecay();
+                        
+                        if (DateTime.UtcNow - lastCurrencyDecay < TimeSpan.FromHours(config.Decay.HourInterval))
+                           return;
+                        
+                         Log.Information($"Decaying users' currency - decay: {config.Decay.Percent * 100}% " +
+                                   $"| max: {maxDecay} " +
+                                   $"| threshold: {config.Decay.MinThreshold}");
+                         
+                         if (maxDecay == 0)
+                             maxDecay = int.MaxValue;
+                         
+                        uow._context.Database.ExecuteSqlInterpolated($@"
+UPDATE DiscordUser
+SET CurrencyAmount=
+    CASE WHEN
+    {maxDecay} > ROUND(CurrencyAmount * {config.Decay.Percent} - 0.5)
+    THEN
+    CurrencyAmount - ROUND(CurrencyAmount * {config.Decay.Percent} - 0.5)
+    ELSE
+    CurrencyAmount - {maxDecay}
+    END
+WHERE CurrencyAmount > {config.Decay.MinThreshold} AND UserId!={_client.CurrentUser.Id};");
+
+                        _cache.SetLastCurrencyDecay();
+                        uow.SaveChanges();
+                    }
+                }, null, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(5));
+            }
+
+            //using (var uow = _db.UnitOfWork)
+            //{
+            //    //refund all of the currency users had at stake in gambling games
+            //    //at the time bot was restarted
+
+            //    var stakes = uow._context.Set<Stake>()
+            //        .ToArray();
+
+            //    var userIds = stakes.Select(x => x.UserId).ToArray();
+            //    var reasons = stakes.Select(x => "Stake-" + x.Source).ToArray();
+            //    var amounts = stakes.Select(x => x.Amount).ToArray();
+
+            //    _cs.AddBulkAsync(userIds, reasons, amounts, gamble: true).ConfigureAwait(false);
+
+            //    foreach (var s in stakes)
+            //    {
+            //        _cs.AddAsync(s.UserId, "Stake-" + s.Source, s.Amount, gamble: true)
+            //            .GetAwaiter()
+            //            .GetResult();
+            //    }
+
+            //    uow._context.Set<Stake>().RemoveRange(stakes);
+            //    uow.Complete();
+            //    Log.Information("Refunded {0} users' stakes.", stakes.Length);
+            //}
+        }
+
+        public struct EconomyResult
+        {
+            public decimal Cash { get; set; }
+            public decimal Planted { get; set; }
+            public decimal Waifus { get; set; }
+            public decimal OnePercent { get; set; }
+            public long Bot { get; set; }
+        }
+
+        public EconomyResult GetEconomy()
+        {
+            if (_cache.TryGetEconomy(out var data))
+            {
+                try
+                {
+                    return JsonConvert.DeserializeObject<EconomyResult>(data);
+                }
+                catch { }
+            }
+
+            decimal cash;
+            decimal onePercent;
+            decimal planted;
+            decimal waifus;
+            long bot;
+
+            using (var uow = _db.GetDbContext())
+            {
+                cash = uow.DiscordUsers.GetTotalCurrency();
+                onePercent = uow.DiscordUsers.GetTopOnePercentCurrency(_client.CurrentUser.Id);
+                planted = uow.PlantedCurrency.GetTotalPlanted();
+                waifus = uow.Waifus.GetTotalValue();
+                bot = uow.DiscordUsers.GetUserCurrency(_client.CurrentUser.Id);
+            }
+
+            var result = new EconomyResult
+            {
+                Cash = cash,
+                Planted = planted,
+                Bot = bot,
+                Waifus = waifus,
+                OnePercent = onePercent,
+            };
+
+            _cache.SetEconomy(JsonConvert.SerializeObject(result));
+            return result;
+        }
+
+        public Task<WheelOfFortuneGame.Result> WheelOfFortuneSpinAsync(ulong userId, long bet)
+        {
+            return new WheelOfFortuneGame(userId, bet, _gss.Data, _cs).SpinAsync();
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/IShopService.cs

@@ -0,0 +1,43 @@
+using System.Threading.Tasks;
+
+namespace NadekoBot.Core.Modules.Gambling.Services
+{
+    public interface IShopService
+    {
+        /// <summary>
+        /// Changes the price of a shop item
+        /// </summary>
+        /// <param name="guildId">Id of the guild in which the shop is</param>
+        /// <param name="index">Index of the item</param>
+        /// <param name="newPrice">New item price</param>
+        /// <returns>Success status</returns>
+        Task<bool> ChangeEntryPriceAsync(ulong guildId, int index, int newPrice);
+
+        /// <summary>
+        /// Changes the name of a shop item
+        /// </summary>
+        /// <param name="guildId">Id of the guild in which the shop is</param>
+        /// <param name="index">Index of the item</param>
+        /// <param name="newName">New item name</param>
+        /// <returns>Success status</returns>
+        Task<bool> ChangeEntryNameAsync(ulong guildId, int index, string newName);
+
+        /// <summary>
+        /// Swaps indexes of 2 items in the shop
+        /// </summary>
+        /// <param name="guildId">Id of the guild in which the shop is</param>
+        /// <param name="index1">First entry's index</param>
+        /// <param name="index2">Second entry's index</param>
+        /// <returns>Whether swap was successful</returns>
+        Task<bool> SwapEntriesAsync(ulong guildId, int index1, int index2);
+
+        /// <summary>
+        /// Swaps indexes of 2 items in the shop
+        /// </summary>
+        /// <param name="guildId">Id of the guild in which the shop is</param>
+        /// <param name="fromIndex">Current index of the entry to move</param>
+        /// <param name="toIndex">Destination index of the entry</param>
+        /// <returns>Whether swap was successful</returns>
+        Task<bool> MoveEntryAsync(ulong guildId, int fromIndex, int toIndex);
+    }
+}

src/NadekoBot/Modules/Gambling/Services/Impl/ShopService.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common.Collections;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+
+namespace NadekoBot.Core.Modules.Gambling.Services
+{
+    public class ShopService : IShopService
+    {
+        private readonly DbService _db;
+
+        public ShopService(DbService db)
+        {
+            _db = db;
+        }
+
+        private IndexedCollection<ShopEntry> GetEntriesInternal(IUnitOfWork uow, ulong guildId) =>
+            uow.GuildConfigs.ForId(
+                    guildId,
+                    set => set.Include(x => x.ShopEntries).ThenInclude(x => x.Items)
+                )
+                .ShopEntries
+                .ToIndexed();
+
+        public async Task<bool> ChangeEntryPriceAsync(ulong guildId, int index, int newPrice)
+        {
+            if (index < 0)
+                throw new ArgumentOutOfRangeException(nameof(index));
+            if (newPrice <= 0)
+                throw new ArgumentOutOfRangeException(nameof(newPrice));
+
+            using var uow = _db.GetDbContext();
+            var entries = GetEntriesInternal(uow, guildId);
+
+            if (index >= entries.Count)
+                return false;
+
+            entries[index].Price = newPrice;
+            await uow.SaveChangesAsync();
+            return true;
+        }
+
+        public async Task<bool> ChangeEntryNameAsync(ulong guildId, int index, string newName)
+        {
+            if (index < 0)
+                throw new ArgumentOutOfRangeException(nameof(index));
+            if (string.IsNullOrWhiteSpace(newName))
+                throw new ArgumentNullException(nameof(newName));
+
+            using var uow = _db.GetDbContext();
+            var entries = GetEntriesInternal(uow, guildId);
+
+            if (index >= entries.Count)
+                return false;
+
+            entries[index].Name = newName.TrimTo(100);
+            await uow.SaveChangesAsync();
+            return true;
+        }
+
+        public async Task<bool> SwapEntriesAsync(ulong guildId, int index1, int index2)
+        {
+            if (index1 < 0)
+                throw new ArgumentOutOfRangeException(nameof(index1));
+            if (index2 < 0)
+                throw new ArgumentOutOfRangeException(nameof(index2));
+
+            using var uow = _db.GetDbContext();
+            var entries = GetEntriesInternal(uow, guildId);
+
+            if (index1 >= entries.Count || index2 >= entries.Count || index1 == index2)
+                return false;
+
+            entries[index1].Index = index2;
+            entries[index2].Index = index1;
+
+            await uow.SaveChangesAsync();
+            return true;
+        }
+
+        public async Task<bool> MoveEntryAsync(ulong guildId, int fromIndex, int toIndex)
+        {
+            if (fromIndex < 0)
+                throw new ArgumentOutOfRangeException(nameof(fromIndex));
+            if (toIndex < 0)
+                throw new ArgumentOutOfRangeException(nameof(toIndex));
+
+            using var uow = _db.GetDbContext();
+            var entries = GetEntriesInternal(uow, guildId);
+
+            if (fromIndex >= entries.Count || toIndex >= entries.Count || fromIndex == toIndex)
+                return false;
+
+            var entry = entries[fromIndex];
+            entries.RemoveAt(fromIndex);
+            entries.Insert(toIndex, entry);
+
+            await uow.SaveChangesAsync();
+            return true;
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/PlantPickService.cs

@@ -0,0 +1,376 @@
+using Discord;
+using Discord.WebSocket;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common;
+using NadekoBot.Common.Collections;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Core.Services.Database.Repositories;
+using NadekoBot.Core.Services.Impl;
+using NadekoBot.Extensions;
+using SixLabors.Fonts;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Drawing.Processing;
+using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Processing;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Image = SixLabors.ImageSharp.Image;
+using Color = SixLabors.ImageSharp.Color;
+
+namespace NadekoBot.Modules.Gambling.Services
+{
+    public class PlantPickService : INService
+    {
+        private readonly DbService _db;
+        private readonly IBotStrings _strings;
+        private readonly IImageCache _images;
+        private readonly FontProvider _fonts;
+        private readonly ICurrencyService _cs;
+        private readonly CommandHandler _cmdHandler;
+        private readonly NadekoRandom _rng;
+        private readonly DiscordSocketClient _client;
+        private readonly GamblingConfigService _gss;
+
+        public readonly ConcurrentHashSet<ulong> _generationChannels = new ConcurrentHashSet<ulong>();
+        //channelId/last generation
+        public ConcurrentDictionary<ulong, DateTime> LastGenerations { get; } = new ConcurrentDictionary<ulong, DateTime>();
+        private readonly SemaphoreSlim pickLock = new SemaphoreSlim(1, 1);
+
+        public PlantPickService(DbService db, CommandHandler cmd, IBotStrings strings,
+            IDataCache cache, FontProvider fonts, ICurrencyService cs,
+            CommandHandler cmdHandler, DiscordSocketClient client, GamblingConfigService gss)
+        {
+            _db = db;
+            _strings = strings;
+            _images = cache.LocalImages;
+            _fonts = fonts;
+            _cs = cs;
+            _cmdHandler = cmdHandler;
+            _rng = new NadekoRandom();
+            _client = client;
+            _gss = gss;
+
+            cmd.OnMessageNoTrigger += PotentialFlowerGeneration;
+            using (var uow = db.GetDbContext())
+            {
+                var guildIds = client.Guilds.Select(x => x.Id).ToList();
+                var configs = uow._context.Set<GuildConfig>()
+                    .AsQueryable()
+                    .Include(x => x.GenerateCurrencyChannelIds)
+                    .Where(x => guildIds.Contains(x.GuildId))
+                    .ToList();
+                
+                _generationChannels = new ConcurrentHashSet<ulong>(configs
+                    .SelectMany(c => c.GenerateCurrencyChannelIds.Select(obj => obj.ChannelId)));
+            }
+        }
+
+        private string GetText(ulong gid, string key, params object[] rep)
+            => _strings.GetText(key, gid, rep);
+
+        public bool ToggleCurrencyGeneration(ulong gid, ulong cid)
+        {
+            bool enabled;
+            using (var uow = _db.GetDbContext())
+            {
+                var guildConfig = uow.GuildConfigs.ForId(gid, set => set.Include(gc => gc.GenerateCurrencyChannelIds));
+
+                var toAdd = new GCChannelId() { ChannelId = cid };
+                if (!guildConfig.GenerateCurrencyChannelIds.Contains(toAdd))
+                {
+                    guildConfig.GenerateCurrencyChannelIds.Add(toAdd);
+                    _generationChannels.Add(cid);
+                    enabled = true;
+                }
+                else
+                {
+                    var toDelete = guildConfig.GenerateCurrencyChannelIds.FirstOrDefault(x => x.Equals(toAdd));
+                    if (toDelete != null)
+                    {
+                        uow._context.Remove(toDelete);
+                    }
+                    _generationChannels.TryRemove(cid);
+                    enabled = false;
+                }
+                uow.SaveChanges();
+            }
+            return enabled;
+        }
+
+        public IEnumerable<GeneratingChannel> GetAllGeneratingChannels()
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                var chs = uow.GuildConfigs.GetGeneratingChannels();
+                return chs;
+            }
+        }
+
+        /// <summary>
+        /// Get a random currency image stream, with an optional password sticked onto it.
+        /// </summary>
+        /// <param name="pass">Optional password to add to top left corner.</param>
+        /// <returns>Stream of the currency image</returns>
+        public Stream GetRandomCurrencyImage(string pass, out string extension)
+        {
+            // get a random currency image bytes
+            var rng = new NadekoRandom();
+            var curImg = _images.Currency[rng.Next(0, _images.Currency.Count)];
+
+            if (string.IsNullOrWhiteSpace(pass))
+            {
+                // determine the extension
+                using (var img = Image.Load(curImg, out var format))
+                {
+                    extension = format.FileExtensions.FirstOrDefault() ?? "png";
+                }
+                // return the image
+                return curImg.ToStream();
+            }
+
+            // get the image stream and extension
+            var (s, ext) = AddPassword(curImg, pass);
+            // set the out extension parameter to the extension we've got
+            extension = ext;
+            // return the image
+            return s;
+        }
+
+        /// <summary>
+        /// Add a password to the image.
+        /// </summary>
+        /// <param name="curImg">Image to add password to.</param>
+        /// <param name="pass">Password to add to top left corner.</param>
+        /// <returns>Image with the password in the top left corner.</returns>
+        private (Stream, string) AddPassword(byte[] curImg, string pass)
+        {
+            // draw lower, it looks better
+            pass = pass.TrimTo(10, true).ToLowerInvariant();
+            using (var img = Image.Load<Rgba32>(curImg, out var format))
+            {
+                // choose font size based on the image height, so that it's visible
+                var font = _fonts.NotoSans.CreateFont(img.Height / 12, FontStyle.Bold);
+                img.Mutate(x =>
+                {
+                    // measure the size of the text to be drawing
+                    var size = TextMeasurer.Measure(pass, new RendererOptions(font, new PointF(0, 0)));
+
+                    // fill the background with black, add 5 pixels on each side to make it look better
+                    x.FillPolygon(Color.ParseHex("00000080"),
+                        new PointF(0, 0),
+                        new PointF(size.Width + 5, 0),
+                        new PointF(size.Width + 5, size.Height + 10),
+                        new PointF(0, size.Height + 10));
+
+                    // draw the password over the background
+                    x.DrawText(pass,
+                        font,
+                        SixLabors.ImageSharp.Color.White,
+                        new PointF(0, 0));
+                });
+                // return image as a stream for easy sending
+                return (img.ToStream(format), format.FileExtensions.FirstOrDefault() ?? "png");
+            }
+        }
+
+        private Task PotentialFlowerGeneration(IUserMessage imsg)
+        {
+            var msg = imsg as SocketUserMessage;
+            if (msg == null || msg.Author.IsBot)
+                return Task.CompletedTask;
+
+            if (!(imsg.Channel is ITextChannel channel))
+                return Task.CompletedTask;
+
+            if (!_generationChannels.Contains(channel.Id))
+                return Task.CompletedTask;
+
+            var _ = Task.Run(async () =>
+            {
+                try
+                {
+                    var config = _gss.Data;
+                    var lastGeneration = LastGenerations.GetOrAdd(channel.Id, DateTime.MinValue);
+                    var rng = new NadekoRandom();
+
+                    if (DateTime.UtcNow - TimeSpan.FromSeconds(config.Generation.GenCooldown) < lastGeneration) //recently generated in this channel, don't generate again
+                        return;
+
+                    var num = rng.Next(1, 101) + config.Generation.Chance * 100;
+                    if (num > 100 && LastGenerations.TryUpdate(channel.Id, DateTime.UtcNow, lastGeneration))
+                    {
+                        var dropAmount = config.Generation.MinAmount;
+                        var dropAmountMax = config.Generation.MaxAmount;
+
+                        if (dropAmountMax > dropAmount)
+                            dropAmount = new NadekoRandom().Next(dropAmount, dropAmountMax + 1);
+
+                        if (dropAmount > 0)
+                        {
+                            var prefix = _cmdHandler.GetPrefix(channel.Guild.Id);
+                            var toSend = dropAmount == 1
+                                ? GetText(channel.GuildId, "curgen_sn", config.Currency.Sign)
+                                    + " " + GetText(channel.GuildId, "pick_sn", prefix)
+                                : GetText(channel.GuildId, "curgen_pl", dropAmount, config.Currency.Sign)
+                                    + " " + GetText(channel.GuildId, "pick_pl", prefix);
+
+                            var pw = config.Generation.HasPassword ? GenerateCurrencyPassword().ToUpperInvariant() : null;
+
+                            IUserMessage sent;
+                            using (var stream = GetRandomCurrencyImage(pw, out var ext))
+                            {
+                                sent = await channel.SendFileAsync(stream, $"currency_image.{ext}", toSend).ConfigureAwait(false);
+                            }
+
+                            await AddPlantToDatabase(channel.GuildId,
+                                channel.Id,
+                                _client.CurrentUser.Id,
+                                sent.Id,
+                                dropAmount,
+                                pw).ConfigureAwait(false);
+                        }
+                    }
+                }
+                catch
+                {
+                }
+            });
+            return Task.CompletedTask;
+        }
+
+        /// <summary>
+        /// Generate a hexadecimal string from 1000 to ffff.
+        /// </summary>
+        /// <returns>A hexadecimal string from 1000 to ffff</returns>
+        private string GenerateCurrencyPassword()
+        {
+            // generate a number from 1000 to ffff
+            var num = _rng.Next(4096, 65536);
+            // convert it to hexadecimal
+            return num.ToString("x4");
+        }
+
+        public async Task<long> PickAsync(ulong gid, ITextChannel ch, ulong uid, string pass)
+        {
+            await pickLock.WaitAsync();
+            try
+            {
+                long amount;
+                ulong[] ids;
+                using (var uow = _db.GetDbContext())
+                {
+                    // this method will sum all plants with that password,
+                    // remove them, and get messageids of the removed plants
+
+                    (amount, ids) = uow.PlantedCurrency.RemoveSumAndGetMessageIdsFor(ch.Id, pass);
+
+
+                    if (amount > 0)
+                    {
+                        // give the picked currency to the user
+                        await _cs.AddAsync(uid, "Picked currency", amount, gamble: false);
+                    }
+                    uow.SaveChanges();
+                }
+
+                try
+                {
+                    // delete all of the plant messages which have just been picked
+                    var _ = ch.DeleteMessagesAsync(ids);
+                }
+                catch { }
+
+                // return the amount of currency the user picked
+                return amount;
+            }
+            finally
+            {
+                pickLock.Release();
+            }
+        }
+
+        public async Task<ulong?> SendPlantMessageAsync(ulong gid, IMessageChannel ch, string user, long amount, string pass)
+        {
+            try
+            {
+                // get the text
+                var prefix = _cmdHandler.GetPrefix(gid);
+                var msgToSend = GetText(gid,
+                    "planted",
+                    Format.Bold(user),
+                    amount + _gss.Data.Currency.Sign,
+                    prefix);
+
+                if (amount > 1)
+                    msgToSend += " " + GetText(gid, "pick_pl", prefix);
+                else
+                    msgToSend += " " + GetText(gid, "pick_sn", prefix);
+
+                //get the image
+                using (var stream = GetRandomCurrencyImage(pass, out var ext))
+                {
+                    // send it
+                    var msg = await ch.SendFileAsync(stream, $"img.{ext}", msgToSend).ConfigureAwait(false);
+                    // return sent message's id (in order to be able to delete it when it's picked)
+                    return msg.Id;
+                }
+            }
+            catch
+            {
+                // if sending fails, return null as message id
+                return null;
+            }
+        }
+
+        public async Task<bool> PlantAsync(ulong gid, IMessageChannel ch, ulong uid, string user, long amount, string pass)
+        {
+            // normalize it - no more than 10 chars, uppercase
+            pass = pass?.Trim().TrimTo(10, hideDots: true).ToUpperInvariant();
+            // has to be either null or alphanumeric
+            if (!string.IsNullOrWhiteSpace(pass) && !pass.IsAlphaNumeric())
+                return false;
+
+            // remove currency from the user who's planting
+            if (await _cs.RemoveAsync(uid, "Planted currency", amount, gamble: false))
+            {
+                // try to send the message with the currency image
+                var msgId = await SendPlantMessageAsync(gid, ch, user, amount, pass).ConfigureAwait(false);
+                if (msgId == null)
+                {
+                    // if it fails it will return null, if it returns null, refund
+                    await _cs.AddAsync(uid, "Planted currency refund", amount, gamble: false);
+                    return false;
+                }
+                // if it doesn't fail, put the plant in the database for other people to pick
+                await AddPlantToDatabase(gid, ch.Id, uid, msgId.Value, amount, pass).ConfigureAwait(false);
+                return true;
+            }
+            // if user doesn't have enough currency, fail
+            return false;
+        }
+
+        private async Task AddPlantToDatabase(ulong gid, ulong cid, ulong uid, ulong mid, long amount, string pass)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                uow.PlantedCurrency.Add(new PlantedCurrency
+                {
+                    Amount = amount,
+                    GuildId = gid,
+                    ChannelId = cid,
+                    Password = pass,
+                    UserId = uid,
+                    MessageId = mid,
+                });
+                await uow.SaveChangesAsync();
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/Services/WaifuService.cs

@@ -0,0 +1,519 @@
+using Discord;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Core.Modules.Gambling.Common.Waifu;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Core.Services.Database.Repositories;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Services;
+
+namespace NadekoBot.Modules.Gambling.Services
+{
+    public class WaifuService : INService
+    {
+        public class FullWaifuInfo
+        {
+            public WaifuInfo Waifu { get; set; }
+            public IEnumerable<string> Claims { get; set; }
+            public int Divorces { get; set; }
+        }
+
+        private readonly DbService _db;
+        private readonly ICurrencyService _cs;
+        private readonly IDataCache _cache;
+        private readonly GamblingConfigService _gss;
+
+        public WaifuService(DbService db, ICurrencyService cs, IDataCache cache,
+            GamblingConfigService gss)
+        {
+            _db = db;
+            _cs = cs;
+            _cache = cache;
+            _gss = gss;
+        }
+
+        public async Task<bool> WaifuTransfer(IUser owner, ulong waifuId, IUser newOwner)
+        {
+            if (owner.Id == newOwner.Id || waifuId == newOwner.Id)
+                return false;
+
+            var settings = _gss.Data;
+            
+            using (var uow = _db.GetDbContext())
+            {
+                var waifu = uow.Waifus.ByWaifuUserId(waifuId);
+                var ownerUser = uow.DiscordUsers.GetOrCreate(owner);
+
+                // owner has to be the owner of the waifu
+                if (waifu == null || waifu.ClaimerId != ownerUser.Id)
+                    return false;
+                
+                // if waifu likes the person, gotta pay the penalty
+                if (waifu.AffinityId == ownerUser.Id)
+                {
+                    if (!await _cs.RemoveAsync(owner.Id,
+                        "Waifu Transfer - affinity penalty", 
+                        (int)(waifu.Price * 0.6),
+                        true))
+                    {
+                        // unable to pay 60% penalty
+                        return false;
+                    }
+
+                    waifu.Price = (int)(waifu.Price * 0.7); // half of 60% = 30% price reduction
+                    if (waifu.Price < settings.Waifu.MinPrice)
+                        waifu.Price = settings.Waifu.MinPrice;
+                }
+                else // if not, pay 10% fee
+                {
+                    if (!await _cs.RemoveAsync(owner.Id, "Waifu Transfer", waifu.Price / 10, gamble: true))
+                    {
+                        return false;
+                    }
+
+                    waifu.Price = (int) (waifu.Price * 0.95); // half of 10% = 5% price reduction
+                    if (waifu.Price < settings.Waifu.MinPrice)
+                        waifu.Price = settings.Waifu.MinPrice;
+                }
+
+                //new claimerId is the id of the new owner
+                var newOwnerUser = uow.DiscordUsers.GetOrCreate(newOwner);
+                waifu.ClaimerId = newOwnerUser.Id;
+
+                await uow.SaveChangesAsync();
+            }
+
+            return true;
+        }
+
+        public int GetResetPrice(IUser user)
+        {
+            var settings = _gss.Data;
+            using (var uow = _db.GetDbContext())
+            {
+                var waifu = uow.Waifus.ByWaifuUserId(user.Id);
+
+                if (waifu == null)
+                    return settings.Waifu.MinPrice;
+
+                var divorces = uow._context.WaifuUpdates.Count(x => x.Old != null &&
+                                                                    x.Old.UserId == user.Id &&
+                                                                    x.UpdateType == WaifuUpdateType.Claimed &&
+                                                                    x.New == null);
+                var affs = uow._context.WaifuUpdates
+                    .AsQueryable()
+                    .Where(w => w.User.UserId == user.Id && w.UpdateType == WaifuUpdateType.AffinityChanged &&
+                                w.New != null)
+                    .ToList()
+                    .GroupBy(x => x.New)
+                    .Count();
+
+                return (int) Math.Ceiling(waifu.Price * 1.25f) +
+                       ((divorces + affs + 2) * settings.Waifu.Multipliers.WaifuReset);
+            }
+        }
+
+        public async Task<bool> TryReset(IUser user)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                var price = GetResetPrice(user);
+                if (!await _cs.RemoveAsync(user.Id, "Waifu Reset", price, gamble: true))
+                    return false;
+
+                var affs = uow._context.WaifuUpdates
+                    .AsQueryable()
+                    .Where(w => w.User.UserId == user.Id
+                                && w.UpdateType == WaifuUpdateType.AffinityChanged
+                                && w.New != null);
+
+                var divorces = uow._context.WaifuUpdates
+                    .AsQueryable()
+                    .Where(x => x.Old != null &&
+                                x.Old.UserId == user.Id &&
+                                x.UpdateType == WaifuUpdateType.Claimed &&
+                                x.New == null);
+
+                //reset changes of heart to 0
+                uow._context.WaifuUpdates.RemoveRange(affs);
+                //reset divorces to 0
+                uow._context.WaifuUpdates.RemoveRange(divorces);
+                var waifu = uow.Waifus.ByWaifuUserId(user.Id);
+                //reset price, remove items
+                //remove owner, remove affinity
+                waifu.Price = 50;
+                waifu.Items.Clear();
+                waifu.ClaimerId = null;
+                waifu.AffinityId = null;
+
+                //wives stay though
+
+                uow.SaveChanges();
+            }
+
+            return true;
+        }
+
+        public async Task<(WaifuInfo, bool, WaifuClaimResult)> ClaimWaifuAsync(IUser user, IUser target, int amount)
+        {
+            var settings = _gss.Data;
+            WaifuClaimResult result;
+            WaifuInfo w;
+            bool isAffinity;
+            using (var uow = _db.GetDbContext())
+            {
+                w = uow.Waifus.ByWaifuUserId(target.Id);
+                isAffinity = (w?.Affinity?.UserId == user.Id);
+                if (w == null)
+                {
+                    var claimer = uow.DiscordUsers.GetOrCreate(user);
+                    var waifu = uow.DiscordUsers.GetOrCreate(target);
+                    if (!await _cs.RemoveAsync(user.Id, "Claimed Waifu", amount, gamble: true))
+                    {
+                        result = WaifuClaimResult.NotEnoughFunds;
+                    }
+                    else
+                    {
+                        uow.Waifus.Add(w = new WaifuInfo()
+                        {
+                            Waifu = waifu,
+                            Claimer = claimer,
+                            Affinity = null,
+                            Price = amount
+                        });
+                        uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                        {
+                            User = waifu,
+                            Old = null,
+                            New = claimer,
+                            UpdateType = WaifuUpdateType.Claimed
+                        });
+                        result = WaifuClaimResult.Success;
+                    }
+                }
+                else if (isAffinity && amount > w.Price * settings.Waifu.Multipliers.CrushClaim)
+                {
+                    if (!await _cs.RemoveAsync(user.Id, "Claimed Waifu", amount, gamble: true))
+                    {
+                        result = WaifuClaimResult.NotEnoughFunds;
+                    }
+                    else
+                    {
+                        var oldClaimer = w.Claimer;
+                        w.Claimer = uow.DiscordUsers.GetOrCreate(user);
+                        w.Price = amount + (amount / 4);
+                        result = WaifuClaimResult.Success;
+
+                        uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                        {
+                            User = w.Waifu,
+                            Old = oldClaimer,
+                            New = w.Claimer,
+                            UpdateType = WaifuUpdateType.Claimed
+                        });
+                    }
+                }
+                else if (amount >= w.Price * settings.Waifu.Multipliers.NormalClaim) // if no affinity
+                {
+                    if (!await _cs.RemoveAsync(user.Id, "Claimed Waifu", amount, gamble: true))
+                    {
+                        result = WaifuClaimResult.NotEnoughFunds;
+                    }
+                    else
+                    {
+                        var oldClaimer = w.Claimer;
+                        w.Claimer = uow.DiscordUsers.GetOrCreate(user);
+                        w.Price = amount;
+                        result = WaifuClaimResult.Success;
+
+                        uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                        {
+                            User = w.Waifu,
+                            Old = oldClaimer,
+                            New = w.Claimer,
+                            UpdateType = WaifuUpdateType.Claimed
+                        });
+                    }
+                }
+                else
+                    result = WaifuClaimResult.InsufficientAmount;
+
+
+                await uow.SaveChangesAsync();
+            }
+
+            return (w, isAffinity, result);
+        }
+
+        public async Task<(DiscordUser, bool, TimeSpan?)> ChangeAffinityAsync(IUser user, IGuildUser target)
+        {
+            DiscordUser oldAff = null;
+            var success = false;
+            TimeSpan? remaining = null;
+            using (var uow = _db.GetDbContext())
+            {
+                var w = uow.Waifus.ByWaifuUserId(user.Id);
+                var newAff = target == null ? null : uow.DiscordUsers.GetOrCreate(target);
+                if (w?.Affinity?.UserId == target?.Id)
+                {
+                }
+                else if (!_cache.TryAddAffinityCooldown(user.Id, out remaining))
+                {
+                }
+                else if (w == null)
+                {
+                    var thisUser = uow.DiscordUsers.GetOrCreate(user);
+                    uow.Waifus.Add(new WaifuInfo()
+                    {
+                        Affinity = newAff,
+                        Waifu = thisUser,
+                        Price = 1,
+                        Claimer = null
+                    });
+                    success = true;
+
+                    uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                    {
+                        User = thisUser,
+                        Old = null,
+                        New = newAff,
+                        UpdateType = WaifuUpdateType.AffinityChanged
+                    });
+                }
+                else
+                {
+                    if (w.Affinity != null)
+                        oldAff = w.Affinity;
+                    w.Affinity = newAff;
+                    success = true;
+
+                    uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                    {
+                        User = w.Waifu,
+                        Old = oldAff,
+                        New = newAff,
+                        UpdateType = WaifuUpdateType.AffinityChanged
+                    });
+                }
+
+                await uow.SaveChangesAsync();
+            }
+
+            return (oldAff, success, remaining);
+        }
+
+        public IEnumerable<WaifuLbResult> GetTopWaifusAtPage(int page)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                return uow.Waifus.GetTop(9, page * 9);
+            }
+        }
+
+        public ulong GetWaifuUserId(ulong ownerId, string name)
+        {
+            using var uow = _db.GetDbContext();
+            return uow.Waifus.GetWaifuUserId(ownerId, name);
+        }
+
+        public async Task<(WaifuInfo, DivorceResult, long, TimeSpan?)> DivorceWaifuAsync(IUser user, ulong targetId)
+        {
+            DivorceResult result;
+            TimeSpan? remaining = null;
+            long amount = 0;
+            WaifuInfo w = null;
+            using (var uow = _db.GetDbContext())
+            {
+                w = uow.Waifus.ByWaifuUserId(targetId);
+                var now = DateTime.UtcNow;
+                if (w?.Claimer == null || w.Claimer.UserId != user.Id)
+                    result = DivorceResult.NotYourWife;
+                else if (!_cache.TryAddDivorceCooldown(user.Id, out remaining))
+                {
+                    result = DivorceResult.Cooldown;
+                }
+                else
+                {
+                    amount = w.Price / 2;
+
+                    if (w.Affinity?.UserId == user.Id)
+                    {
+                        await _cs.AddAsync(w.Waifu.UserId, "Waifu Compensation", amount, gamble: true);
+                        w.Price = (int) Math.Floor(w.Price * _gss.Data.Waifu.Multipliers.DivorceNewValue);
+                        result = DivorceResult.SucessWithPenalty;
+                    }
+                    else
+                    {
+                        await _cs.AddAsync(user.Id, "Waifu Refund", amount, gamble: true);
+
+                        result = DivorceResult.Success;
+                    }
+
+                    var oldClaimer = w.Claimer;
+                    w.Claimer = null;
+
+                    uow._context.WaifuUpdates.Add(new WaifuUpdate()
+                    {
+                        User = w.Waifu,
+                        Old = oldClaimer,
+                        New = null,
+                        UpdateType = WaifuUpdateType.Claimed
+                    });
+                }
+
+                await uow.SaveChangesAsync();
+            }
+
+            return (w, result, amount, remaining);
+        }
+
+        public async Task<bool> GiftWaifuAsync(IUser from, IUser giftedWaifu, WaifuItemModel itemObj)
+        {
+            if (!await _cs.RemoveAsync(from, "Bought waifu item", itemObj.Price, gamble: true))
+            {
+                return false;
+            }
+
+            using (var uow = _db.GetDbContext())
+            {
+                var w = uow.Waifus.ByWaifuUserId(giftedWaifu.Id, 
+                    set => set.Include(x => x.Items)
+                        .Include(x => x.Claimer));
+                if (w == null)
+                {
+                    uow.Waifus.Add(w = new WaifuInfo()
+                    {
+                        Affinity = null,
+                        Claimer = null,
+                        Price = 1,
+                        Waifu = uow.DiscordUsers.GetOrCreate(giftedWaifu),
+                    });
+                }
+
+                w.Items.Add(new WaifuItem()
+                {
+                    Name = itemObj.Name.ToLowerInvariant(),
+                    ItemEmoji = itemObj.ItemEmoji,
+                });
+                
+                if (w.Claimer?.UserId == from.Id)
+                {
+                    w.Price += (int) (itemObj.Price * _gss.Data.Waifu.Multipliers.GiftEffect);
+                }
+                else
+                {
+                    w.Price += itemObj.Price / 2;
+                }
+
+                await uow.SaveChangesAsync();
+            }
+
+            return true;
+        }
+
+        public WaifuInfoStats GetFullWaifuInfoAsync(ulong targetId)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                var wi = uow.Waifus.GetWaifuInfo(targetId);
+                if (wi is null)
+                {
+                    wi = new WaifuInfoStats
+                    {
+                        AffinityCount = 0,
+                        AffinityName = null,
+                        ClaimCount = 0,
+                        ClaimerName = null,
+                        Claims = new List<string>(),
+                        Fans = new List<string>(),
+                        DivorceCount = 0,
+                        FullName = null,
+                        Items = new List<WaifuItem>(),
+                        Price = 1
+                    };
+                }
+
+                return wi;
+            }
+        }
+        public WaifuInfoStats GetFullWaifuInfoAsync(IGuildUser target)
+        {
+            using (var uow = _db.GetDbContext())
+            {
+                var du = uow.DiscordUsers.GetOrCreate(target);
+                
+                return GetFullWaifuInfoAsync(target.Id);
+            }
+        }
+
+        public string GetClaimTitle(int count)
+        {
+            ClaimTitle title;
+            if (count == 0)
+                title = ClaimTitle.Lonely;
+            else if (count == 1)
+                title = ClaimTitle.Devoted;
+            else if (count < 3)
+                title = ClaimTitle.Rookie;
+            else if (count < 6)
+                title = ClaimTitle.Schemer;
+            else if (count < 10)
+                title = ClaimTitle.Dilettante;
+            else if (count < 17)
+                title = ClaimTitle.Intermediate;
+            else if (count < 25)
+                title = ClaimTitle.Seducer;
+            else if (count < 35)
+                title = ClaimTitle.Expert;
+            else if (count < 50)
+                title = ClaimTitle.Veteran;
+            else if (count < 75)
+                title = ClaimTitle.Incubis;
+            else if (count < 100)
+                title = ClaimTitle.Harem_King;
+            else
+                title = ClaimTitle.Harem_God;
+
+            return title.ToString().Replace('_', ' ');
+        }
+
+        public string GetAffinityTitle(int count)
+        {
+            AffinityTitle title;
+            if (count < 1)
+                title = AffinityTitle.Pure;
+            else if (count < 2)
+                title = AffinityTitle.Faithful;
+            else if (count < 4)
+                title = AffinityTitle.Playful;
+            else if (count < 8)
+                title = AffinityTitle.Cheater;
+            else if (count < 11)
+                title = AffinityTitle.Tainted;
+            else if (count < 15)
+                title = AffinityTitle.Corrupted;
+            else if (count < 20)
+                title = AffinityTitle.Lewd;
+            else if (count < 25)
+                title = AffinityTitle.Sloot;
+            else if (count < 35)
+                title = AffinityTitle.Depraved;
+            else
+                title = AffinityTitle.Harlot;
+
+            return title.ToString().Replace('_', ' ');
+        }
+
+        public IReadOnlyList<WaifuItemModel> GetWaifuItems()
+        {
+            var conf = _gss.Data;
+            return _gss.Data.Waifu.Items
+                .Select(x => new WaifuItemModel(x.ItemEmoji, (int)(x.Price * conf.Waifu.Multipliers.AllGiftPrices), x.Name))
+                .ToList();
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/ShopCommands.cs

@@ -0,0 +1,466 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord;
+using Discord.Commands;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Common.Collections;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Services;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NadekoBot.Extensions;
+using Serilog;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class ShopCommands : GamblingSubmodule<IShopService>
+        {
+            private readonly DbService _db;
+            private readonly ICurrencyService _cs;
+
+            public enum Role
+            {
+                Role
+            }
+
+            public enum List
+            {
+                List
+            }
+
+            public ShopCommands(DbService db, ICurrencyService cs, GamblingConfigService gamblingConf)
+                : base(gamblingConf) 
+            {
+                _db = db;
+                _cs = cs;
+            }
+            
+            private Task ShopInternalAsync(int page = 0)
+            {
+                if (page < 0)
+                    throw new ArgumentOutOfRangeException(nameof(page));
+                
+                using var uow = _db.GetDbContext();
+                var entries = uow.GuildConfigs.ForId(ctx.Guild.Id,
+                        set => set.Include(x => x.ShopEntries)
+                            .ThenInclude(x => x.Items)).ShopEntries
+                        .ToIndexed();
+                return ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+                {
+                    var theseEntries = entries.Skip(curPage * 9).Take(9).ToArray();
+
+                    if (!theseEntries.Any())
+                        return new EmbedBuilder().WithErrorColor()
+                            .WithDescription(GetText("shop_none"));
+                    var embed = new EmbedBuilder().WithOkColor()
+                        .WithTitle(GetText("shop", CurrencySign));
+
+                    for (int i = 0; i < theseEntries.Length; i++)
+                    {
+                        var entry = theseEntries[i];
+                        embed.AddField(
+                            $"#{curPage * 9 + i + 1} - {entry.Price}{CurrencySign}",
+                            EntryToString(entry),
+                            true);
+                    }
+                    return embed;
+                }, entries.Count, 9, true);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public Task Shop(int page = 1)
+            {
+                if (--page < 0)
+                    return Task.CompletedTask;
+                
+                return ShopInternalAsync(page);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task Buy(int index)
+            {
+                index -= 1;
+                if (index < 0)
+                    return;
+                ShopEntry entry;
+                using (var uow = _db.GetDbContext())
+                {
+                    var config = uow.GuildConfigs.ForId(ctx.Guild.Id, set => set
+                        .Include(x => x.ShopEntries)
+                        .ThenInclude(x => x.Items));
+                    var entries = new IndexedCollection<ShopEntry>(config.ShopEntries);
+                    entry = entries.ElementAtOrDefault(index);
+                    uow.SaveChanges();
+                }
+
+                if (entry == null)
+                {
+                    await ReplyErrorLocalizedAsync("shop_item_not_found").ConfigureAwait(false);
+                    return;
+                }
+
+                if (entry.Type == ShopEntryType.Role)
+                {
+                    var guser = (IGuildUser)ctx.User;
+                    var role = ctx.Guild.GetRole(entry.RoleId);
+
+                    if (role == null)
+                    {
+                        await ReplyErrorLocalizedAsync("shop_role_not_found").ConfigureAwait(false);
+                        return;
+                    }
+                    
+                    if (guser.RoleIds.Any(id => id == role.Id))
+                    {
+                        await ReplyErrorLocalizedAsync("shop_role_already_bought").ConfigureAwait(false);
+                        return;
+                    }
+
+                    if (await _cs.RemoveAsync(ctx.User.Id, $"Shop purchase - {entry.Type}", entry.Price).ConfigureAwait(false))
+                    {
+                        try
+                        {
+                            await guser.AddRoleAsync(role).ConfigureAwait(false);
+                        }
+                        catch (Exception ex)
+                        {
+                            Log.Warning(ex, "Error adding shop role");
+                            await _cs.AddAsync(ctx.User.Id, $"Shop error refund", entry.Price).ConfigureAwait(false);
+                            await ReplyErrorLocalizedAsync("shop_role_purchase_error").ConfigureAwait(false);
+                            return;
+                        }
+                        var profit = GetProfitAmount(entry.Price);
+                        await _cs.AddAsync(entry.AuthorId, $"Shop sell item - {entry.Type}", profit).ConfigureAwait(false);
+                        await _cs.AddAsync(ctx.Client.CurrentUser.Id, $"Shop sell item - cut", entry.Price - profit).ConfigureAwait(false);
+                        await ReplyConfirmLocalizedAsync("shop_role_purchase", Format.Bold(role.Name)).ConfigureAwait(false);
+                        return;
+                    }
+                    else
+                    {
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                        return;
+                    }
+                }
+                else if (entry.Type == ShopEntryType.List)
+                {
+                    if (entry.Items.Count == 0)
+                    {
+                        await ReplyErrorLocalizedAsync("out_of_stock").ConfigureAwait(false);
+                        return;
+                    }
+
+                    var item = entry.Items.ToArray()[new NadekoRandom().Next(0, entry.Items.Count)];
+
+                    if (await _cs.RemoveAsync(ctx.User.Id, $"Shop purchase - {entry.Type}", entry.Price).ConfigureAwait(false))
+                    {
+                        using (var uow = _db.GetDbContext())
+                        {
+                            var x = uow._context.Set<ShopEntryItem>().Remove(item);
+                            uow.SaveChanges();
+                        }
+                        try
+                        {
+                            await (await ctx.User.GetOrCreateDMChannelAsync().ConfigureAwait(false))
+                                .EmbedAsync(new EmbedBuilder().WithOkColor()
+                                .WithTitle(GetText("shop_purchase", ctx.Guild.Name))
+                                .AddField(efb => efb.WithName(GetText("item")).WithValue(item.Text).WithIsInline(false))
+                                .AddField(efb => efb.WithName(GetText("price")).WithValue(entry.Price.ToString()).WithIsInline(true))
+                                .AddField(efb => efb.WithName(GetText("name")).WithValue(entry.Name).WithIsInline(true)))
+                                .ConfigureAwait(false);
+
+                            await _cs.AddAsync(entry.AuthorId,
+                                    $"Shop sell item - {entry.Name}",
+                                    GetProfitAmount(entry.Price)).ConfigureAwait(false);
+                        }
+                        catch
+                        {
+                            await _cs.AddAsync(ctx.User.Id,
+                                $"Shop error refund - {entry.Name}",
+                                entry.Price).ConfigureAwait(false);
+                            using (var uow = _db.GetDbContext())
+                            {
+                                var entries = new IndexedCollection<ShopEntry>(uow.GuildConfigs.ForId(ctx.Guild.Id,
+                                    set => set.Include(x => x.ShopEntries)
+                                              .ThenInclude(x => x.Items)).ShopEntries);
+                                entry = entries.ElementAtOrDefault(index);
+                                if (entry != null)
+                                {
+                                    if (entry.Items.Add(item))
+                                    {
+                                        uow.SaveChanges();
+                                    }
+                                }
+                            }
+                            await ReplyErrorLocalizedAsync("shop_buy_error").ConfigureAwait(false);
+                            return;
+                        }
+                        await ReplyConfirmLocalizedAsync("shop_item_purchase").ConfigureAwait(false);
+                    }
+                    else
+                    {
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                        return;
+                    }
+                }
+
+            }
+
+            private static long GetProfitAmount(int price) =>
+                (int)(Math.Ceiling(0.90 * price));
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            [BotPerm(GuildPerm.ManageRoles)]
+            public async Task ShopAdd(Role _, int price, [Leftover] IRole role)
+            {
+                var entry = new ShopEntry()
+                {
+                    Name = "-",
+                    Price = price,
+                    Type = ShopEntryType.Role,
+                    AuthorId = ctx.User.Id,
+                    RoleId = role.Id,
+                    RoleName = role.Name
+                };
+                using (var uow = _db.GetDbContext())
+                {
+                    var entries = new IndexedCollection<ShopEntry>(uow.GuildConfigs.ForId(ctx.Guild.Id,
+                        set => set.Include(x => x.ShopEntries)
+                                  .ThenInclude(x => x.Items)).ShopEntries)
+                    {
+                        entry
+                    };
+                    uow.GuildConfigs.ForId(ctx.Guild.Id, set => set).ShopEntries = entries;
+                    uow.SaveChanges();
+                }
+                await ctx.Channel.EmbedAsync(EntryToEmbed(entry)
+                    .WithTitle(GetText("shop_item_add"))).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopAdd(List _, int price, [Leftover]string name)
+            {
+                var entry = new ShopEntry()
+                {
+                    Name = name.TrimTo(100),
+                    Price = price,
+                    Type = ShopEntryType.List,
+                    AuthorId = ctx.User.Id,
+                    Items = new HashSet<ShopEntryItem>(),
+                };
+                using (var uow = _db.GetDbContext())
+                {
+                    var entries = new IndexedCollection<ShopEntry>(uow.GuildConfigs.ForId(ctx.Guild.Id,
+                        set => set.Include(x => x.ShopEntries)
+                                  .ThenInclude(x => x.Items)).ShopEntries)
+                    {
+                        entry
+                    };
+                    uow.GuildConfigs.ForId(ctx.Guild.Id, set => set).ShopEntries = entries;
+                    uow.SaveChanges();
+                }
+                await ctx.Channel.EmbedAsync(EntryToEmbed(entry)
+                    .WithTitle(GetText("shop_item_add"))).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopListAdd(int index, [Leftover] string itemText)
+            {
+                index -= 1;
+                if (index < 0)
+                    return;
+                var item = new ShopEntryItem()
+                {
+                    Text = itemText
+                };
+                ShopEntry entry;
+                bool rightType = false;
+                bool added = false;
+                using (var uow = _db.GetDbContext())
+                {
+                    var entries = new IndexedCollection<ShopEntry>(uow.GuildConfigs.ForId(ctx.Guild.Id,
+                        set => set.Include(x => x.ShopEntries)
+                                  .ThenInclude(x => x.Items)).ShopEntries);
+                    entry = entries.ElementAtOrDefault(index);
+                    if (entry != null && (rightType = (entry.Type == ShopEntryType.List)))
+                    {
+                        if (added = entry.Items.Add(item))
+                        {
+                            uow.SaveChanges();
+                        }
+                    }
+                }
+                if (entry == null)
+                    await ReplyErrorLocalizedAsync("shop_item_not_found").ConfigureAwait(false);
+                else if (!rightType)
+                    await ReplyErrorLocalizedAsync("shop_item_wrong_type").ConfigureAwait(false);
+                else if (added == false)
+                    await ReplyErrorLocalizedAsync("shop_list_item_not_unique").ConfigureAwait(false);
+                else
+                    await ReplyConfirmLocalizedAsync("shop_list_item_added").ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopRemove(int index)
+            {
+                index -= 1;
+                if (index < 0)
+                    return;
+                ShopEntry removed;
+                using (var uow = _db.GetDbContext())
+                {
+                    var config = uow.GuildConfigs.ForId(ctx.Guild.Id, set => set
+                        .Include(x => x.ShopEntries)
+                        .ThenInclude(x => x.Items));
+
+                    var entries = new IndexedCollection<ShopEntry>(config.ShopEntries);
+                    removed = entries.ElementAtOrDefault(index);
+                    if (removed != null)
+                    {
+                        uow._context.RemoveRange(removed.Items);
+                        uow._context.Remove(removed);
+                        uow.SaveChanges();
+                    }
+                }
+
+                if (removed == null)
+                    await ReplyErrorLocalizedAsync("shop_item_not_found").ConfigureAwait(false);
+                else
+                    await ctx.Channel.EmbedAsync(EntryToEmbed(removed)
+                        .WithTitle(GetText("shop_item_rm"))).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopChangePrice(int index, int price)
+            {
+                if (--index < 0 || price <= 0)
+                    return;
+
+                var succ = await _service.ChangeEntryPriceAsync(Context.Guild.Id, index, price);
+                if (succ)
+                {
+                    await ShopInternalAsync(index / 9);
+                    await ctx.OkAsync();
+                }
+                else
+                {
+                    await ctx.ErrorAsync();
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopChangeName(int index, [Leftover] string newName)
+            {
+                if (--index < 0 || string.IsNullOrWhiteSpace(newName))
+                    return;
+                
+                var succ = await _service.ChangeEntryNameAsync(Context.Guild.Id, index, newName);
+                if (succ)
+                {
+                    await ShopInternalAsync(index / 9);
+                    await ctx.OkAsync();
+                }
+                else
+                {
+                    await ctx.ErrorAsync();
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopSwap(int index1, int index2)
+            {
+                if (--index1 < 0 || --index2 < 0 || index1 == index2)
+                    return;
+                
+                var succ = await _service.SwapEntriesAsync(Context.Guild.Id, index1, index2);
+                if (succ)
+                {
+                    await ShopInternalAsync(index1 / 9);
+                    await ctx.OkAsync();
+                }
+                else
+                {
+                    await ctx.ErrorAsync();
+                }
+            }
+            
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [UserPerm(GuildPerm.Administrator)]
+            public async Task ShopMove(int fromIndex, int toIndex)
+            {
+                if (--fromIndex < 0 || --toIndex < 0 || fromIndex == toIndex)
+                    return;
+
+                var succ = await _service.MoveEntryAsync(Context.Guild.Id, fromIndex, toIndex);
+                if (succ)
+                {
+                    await ShopInternalAsync(toIndex / 9);
+                    await ctx.OkAsync();
+                }
+                else
+                {
+                    await ctx.ErrorAsync();
+                }
+            }
+            
+            public EmbedBuilder EntryToEmbed(ShopEntry entry)
+            {
+                var embed = new EmbedBuilder().WithOkColor();
+
+                if (entry.Type == ShopEntryType.Role)
+                    return embed.AddField(efb => efb.WithName(GetText("name")).WithValue(GetText("shop_role", Format.Bold(ctx.Guild.GetRole(entry.RoleId)?.Name ?? "MISSING_ROLE"))).WithIsInline(true))
+                            .AddField(efb => efb.WithName(GetText("price")).WithValue(entry.Price.ToString()).WithIsInline(true))
+                            .AddField(efb => efb.WithName(GetText("type")).WithValue(entry.Type.ToString()).WithIsInline(true));
+                else if (entry.Type == ShopEntryType.List)
+                    return embed.AddField(efb => efb.WithName(GetText("name")).WithValue(entry.Name).WithIsInline(true))
+                            .AddField(efb => efb.WithName(GetText("price")).WithValue(entry.Price.ToString()).WithIsInline(true))
+                            .AddField(efb => efb.WithName(GetText("type")).WithValue(GetText("random_unique_item")).WithIsInline(true));
+                //else if (entry.Type == ShopEntryType.Infinite_List)
+                //    return embed.AddField(efb => efb.WithName(GetText("name")).WithValue(GetText("shop_role", Format.Bold(entry.RoleName))).WithIsInline(true))
+                //            .AddField(efb => efb.WithName(GetText("price")).WithValue(entry.Price.ToString()).WithIsInline(true))
+                //            .AddField(efb => efb.WithName(GetText("type")).WithValue(entry.Type.ToString()).WithIsInline(true));
+                else return null;
+            }
+
+            public string EntryToString(ShopEntry entry)
+            {
+                if (entry.Type == ShopEntryType.Role)
+                {
+                    return GetText("shop_role", Format.Bold(ctx.Guild.GetRole(entry.RoleId)?.Name ?? "MISSING_ROLE"));
+                }
+                else if (entry.Type == ShopEntryType.List)
+                {
+                    return GetText("unique_items_left", entry.Items.Count) + "\n" + entry.Name;
+                }
+                //else if (entry.Type == ShopEntryType.Infinite_List)
+                //{
+
+                //}
+                return "";
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/SlotCommands.cs

@@ -0,0 +1,234 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Extensions;
+using NadekoBot.Core.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using NadekoBot.Common;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Modules.Gambling.Services;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Common;
+using NadekoBot.Core.Modules.Gambling.Services;
+using Image = SixLabors.ImageSharp.Image;
+using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class SlotCommands : GamblingSubmodule<GamblingService>
+        {
+            private static long _totalBet;
+            private static long _totalPaidOut;
+
+            private static readonly HashSet<ulong> _runningUsers = new HashSet<ulong>();
+
+            //here is a payout chart
+            //https://lh6.googleusercontent.com/-i1hjAJy_kN4/UswKxmhrbPI/AAAAAAAAB1U/82wq_4ZZc-Y/DE6B0895-6FC1-48BE-AC4F-14D1B91AB75B.jpg
+            //thanks to judge for helping me with this
+
+            private readonly IImageCache _images;
+            private readonly ICurrencyService _cs;
+
+            public SlotCommands(IDataCache data, ICurrencyService cs, GamblingConfigService gamb) : base(gamb)
+            {
+                _images = data.LocalImages;
+                _cs = cs;
+            }
+
+            public sealed class SlotMachine
+            {
+                public const int MaxValue = 5;
+
+                static readonly List<Func<int[], int>> _winningCombos = new List<Func<int[], int>>()
+                {
+                    //three flowers
+                    (arr) => arr.All(a=>a==MaxValue) ? 30 : 0,
+                    //three of the same
+                    (arr) => !arr.Any(a => a != arr[0]) ? 10 : 0,
+                    //two flowers
+                    (arr) => arr.Count(a => a == MaxValue) == 2 ? 4 : 0,
+                    //one flower
+                    (arr) => arr.Any(a => a == MaxValue) ? 1 : 0,
+                };
+
+                public static SlotResult Pull()
+                {
+                    var numbers = new int[3];
+                    for (var i = 0; i < numbers.Length; i++)
+                    {
+                        numbers[i] = new NadekoRandom().Next(0, MaxValue + 1);
+                    }
+                    var multi = 0;
+                    foreach (var t in _winningCombos)
+                    {
+                        multi = t(numbers);
+                        if (multi != 0)
+                            break;
+                    }
+
+                    return new SlotResult(numbers, multi);
+                }
+
+                public struct SlotResult
+                {
+                    public int[] Numbers { get; }
+                    public int Multiplier { get; }
+                    public SlotResult(int[] nums, int multi)
+                    {
+                        Numbers = nums;
+                        Multiplier = multi;
+                    }
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [OwnerOnly]
+            public async Task SlotStats()
+            {
+                //i remembered to not be a moron
+                var paid = _totalPaidOut;
+                var bet = _totalBet;
+
+                if (bet <= 0)
+                    bet = 1;
+
+                var embed = new EmbedBuilder()
+                    .WithOkColor()
+                    .WithTitle("Slot Stats")
+                    .AddField(efb => efb.WithName("Total Bet").WithValue(bet.ToString()).WithIsInline(true))
+                    .AddField(efb => efb.WithName("Paid Out").WithValue(paid.ToString()).WithIsInline(true))
+                    .WithFooter(efb => efb.WithText($"Payout Rate: {paid * 1.0 / bet * 100:f4}%"));
+
+                await ctx.Channel.EmbedAsync(embed).ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [OwnerOnly]
+            public async Task SlotTest(int tests = 1000)
+            {
+                if (tests <= 0)
+                    return;
+                //multi vs how many times it occured
+                var dict = new Dictionary<int, int>();
+                for (int i = 0; i < tests; i++)
+                {
+                    var res = SlotMachine.Pull();
+                    if (dict.ContainsKey(res.Multiplier))
+                        dict[res.Multiplier] += 1;
+                    else
+                        dict.Add(res.Multiplier, 1);
+                }
+
+                var sb = new StringBuilder();
+                const int bet = 1;
+                int payout = 0;
+                foreach (var key in dict.Keys.OrderByDescending(x => x))
+                {
+                    sb.AppendLine($"x{key} occured {dict[key]} times. {dict[key] * 1.0f / tests * 100}%");
+                    payout += key * dict[key];
+                }
+                await ctx.Channel.SendConfirmAsync("Slot Test Results", sb.ToString(),
+                    footer: $"Total Bet: {tests * bet} | Payout: {payout * bet} | {payout * 1.0f / tests * 100}%").ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task Slot(ShmartNumber amount)
+            {
+                if (!_runningUsers.Add(ctx.User.Id))
+                    return;
+                try
+                {
+                    if (!await CheckBetMandatory(amount).ConfigureAwait(false))
+                        return;
+                    const int maxAmount = 9999;
+                    if (amount > maxAmount)
+                    {
+                        await ReplyErrorLocalizedAsync("max_bet_limit", maxAmount + CurrencySign).ConfigureAwait(false);
+                        return;
+                    }
+
+                    if (!await _cs.RemoveAsync(ctx.User, "Slot Machine", amount, false, gamble: true).ConfigureAwait(false))
+                    {
+                        await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                        return;
+                    }
+                    Interlocked.Add(ref _totalBet, amount.Value);
+                    using (var bgImage = Image.Load(_images.SlotBackground))
+                    {
+                        var result = SlotMachine.Pull();
+                        int[] numbers = result.Numbers;
+
+                        for (int i = 0; i < 3; i++)
+                        {
+                            using (var randomImage = Image.Load(_images.SlotEmojis[numbers[i]]))
+                            {
+                                bgImage.Mutate(x => x.DrawImage(randomImage, new Point(95 + 142 * i, 330), new GraphicsOptions()));
+                            }
+                        }
+
+                        var won = amount * result.Multiplier;
+                        var printWon = won;
+                        var n = 0;
+                        do
+                        {
+                            var digit = (int)(printWon % 10);
+                            using (var img = Image.Load(_images.SlotNumbers[digit]))
+                            {
+                                bgImage.Mutate(x => x.DrawImage(img, new Point(230 - n * 16, 462), new GraphicsOptions()));
+                            }
+                            n++;
+                        } while ((printWon /= 10) != 0);
+
+                        var printAmount = amount;
+                        n = 0;
+                        do
+                        {
+                            var digit = (int)(printAmount % 10);
+                            using (var img = Image.Load(_images.SlotNumbers[digit]))
+                            {
+                                bgImage.Mutate(x => x.DrawImage(img, new Point(395 - n * 16, 462), new GraphicsOptions()));
+                            }
+                            n++;
+                        } while ((printAmount /= 10) != 0);
+
+                        var msg = GetText("better_luck");
+                        if (result.Multiplier != 0)
+                        {
+                            await _cs.AddAsync(ctx.User, $"Slot Machine x{result.Multiplier}", amount * result.Multiplier, false, gamble: true).ConfigureAwait(false);
+                            Interlocked.Add(ref _totalPaidOut, amount * result.Multiplier);
+                            if (result.Multiplier == 1)
+                                msg = GetText("slot_single", CurrencySign, 1);
+                            else if (result.Multiplier == 4)
+                                msg = GetText("slot_two", CurrencySign, 4);
+                            else if (result.Multiplier == 10)
+                                msg = GetText("slot_three", 10);
+                            else if (result.Multiplier == 30)
+                                msg = GetText("slot_jackpot", 30);
+                        }
+
+                        using (var imgStream = bgImage.ToStream())
+                        {
+                            await ctx.Channel.SendFileAsync(imgStream, "result.png", ctx.User.Mention + " " + msg + $"\n`{GetText("slot_bet")}:`{amount} `{GetText("won")}:` {amount * result.Multiplier}{CurrencySign}").ConfigureAwait(false);
+                        }
+                    }
+                }
+                finally
+                {
+                    var _ = Task.Run(async () =>
+                    {
+                        await Task.Delay(1000).ConfigureAwait(false);
+                        _runningUsers.Remove(ctx.User.Id);
+                    });
+                }
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/WaifuClaimCommands.cs

@@ -0,0 +1,362 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Modules.Gambling.Common.Waifu;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Services;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore.Internal;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Modules.Gambling.Services;
+using NadekoBot.Core.Services.Database.Models;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        [Group]
+        public class WaifuClaimCommands : GamblingSubmodule<WaifuService>
+        {
+
+            public WaifuClaimCommands(GamblingConfigService gamblingConfService) : base(gamblingConfService)
+            {
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task WaifuReset()
+            {
+                var price = _service.GetResetPrice(ctx.User);
+                var embed = new EmbedBuilder()
+                        .WithTitle(GetText("waifu_reset_confirm"))
+                        .WithDescription(GetText("waifu_reset_price", Format.Bold(price + CurrencySign)));
+
+                if (!await PromptUserConfirmAsync(embed))
+                    return;
+
+                if (await _service.TryReset(ctx.User))
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_reset");
+                    return;
+                }
+                await ReplyErrorLocalizedAsync("waifu_reset_fail");
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task WaifuClaim(int amount, [Leftover]IUser target)
+            {
+                if (amount < _config.Waifu.MinPrice)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_isnt_cheap", _config.Waifu.MinPrice + CurrencySign);
+                    return;
+                }
+
+                if (target.Id == ctx.User.Id)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_not_yourself");
+                    return;
+                }
+
+                var (w, isAffinity, result) = await _service.ClaimWaifuAsync(ctx.User, target, amount);
+
+                if (result == WaifuClaimResult.InsufficientAmount)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_not_enough", Math.Ceiling(w.Price * (isAffinity ? 0.88f : 1.1f)));
+                    return;
+                }
+                if (result == WaifuClaimResult.NotEnoughFunds)
+                {
+                    await ReplyErrorLocalizedAsync("not_enough", CurrencySign);
+                    return;
+                }
+                var msg = GetText("waifu_claimed",
+                    Format.Bold(target.ToString()),
+                    amount + CurrencySign);
+                if (w.Affinity?.UserId == ctx.User.Id)
+                    msg += "\n" + GetText("waifu_fulfilled", target, w.Price + CurrencySign);
+                else
+                    msg = " " + msg;
+                await ctx.Channel.SendConfirmAsync(ctx.User.Mention + msg);
+            }
+            
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(0)]
+            public async Task WaifuTransfer(ulong waifuId, IUser newOwner)
+            {
+                if (!await _service.WaifuTransfer(ctx.User, waifuId, newOwner)
+                )
+                {
+                    await ReplyErrorLocalizedAsync("waifu_transfer_fail");
+                    return;
+                }
+
+                await ReplyConfirmLocalizedAsync("waifu_transfer_success",
+                    Format.Bold(waifuId.ToString()),
+                    Format.Bold(ctx.User.ToString()),
+                    Format.Bold(newOwner.ToString()));
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(1)]
+            public async Task WaifuTransfer(IUser waifu, IUser newOwner)
+            {
+                if (!await _service.WaifuTransfer(ctx.User, waifu.Id, newOwner))
+                {
+                    await ReplyErrorLocalizedAsync("waifu_transfer_fail");
+                    return;
+                }
+
+                await ReplyConfirmLocalizedAsync("waifu_transfer_success",
+                    Format.Bold(waifu.ToString()),
+                    Format.Bold(ctx.User.ToString()),
+                    Format.Bold(newOwner.ToString()));
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(-1)]
+            public Task Divorce([Leftover] string target)
+            {
+                var waifuUserId = _service.GetWaifuUserId(ctx.User.Id, target);
+                if (waifuUserId == default)
+                {
+                    return ReplyErrorLocalizedAsync("waifu_not_yours");
+                }
+
+                return Divorce(waifuUserId);
+            }
+            
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(0)]
+            public Task Divorce([Leftover]IGuildUser target) 
+                => Divorce(target.Id);
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(1)]
+            public async Task Divorce([Leftover]ulong targetId)
+            {
+                if (targetId == ctx.User.Id)
+                    return;
+
+                var (w, result, amount, remaining) = await _service.DivorceWaifuAsync(ctx.User, targetId);
+
+                if (result == DivorceResult.SucessWithPenalty)
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_divorced_like", Format.Bold(w.Waifu.ToString()), amount + CurrencySign);
+                }
+                else if (result == DivorceResult.Success)
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_divorced_notlike", amount + CurrencySign);
+                }
+                else if (result == DivorceResult.NotYourWife)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_not_yours");
+                }
+                else
+                {
+                    await ReplyErrorLocalizedAsync("waifu_recent_divorce",
+                        Format.Bold(((int)remaining?.TotalHours).ToString()),
+                        Format.Bold(remaining?.Minutes.ToString()));
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task Affinity([Leftover]IGuildUser u = null)
+            {
+                if (u?.Id == ctx.User.Id)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_egomaniac");
+                    return;
+                }
+                var (oldAff, sucess, remaining) = await _service.ChangeAffinityAsync(ctx.User, u);
+                if (!sucess)
+                {
+                    if (remaining != null)
+                    {
+                        await ReplyErrorLocalizedAsync("waifu_affinity_cooldown",
+                            Format.Bold(((int)remaining?.TotalHours).ToString()),
+                            Format.Bold(remaining?.Minutes.ToString()));
+                    }
+                    else
+                    {
+                        await ReplyErrorLocalizedAsync("waifu_affinity_already");
+                    }
+                    return;
+                }
+                if (u == null)
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_affinity_reset");
+                }
+                else if (oldAff == null)
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_affinity_set", Format.Bold(u.ToString()));
+                }
+                else
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_affinity_changed", Format.Bold(oldAff.ToString()), Format.Bold(u.ToString()));
+                }
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task WaifuLb(int page = 1)
+            {
+                page--;
+
+                if (page < 0)
+                    return;
+
+                if (page > 100)
+                    page = 100;
+
+                var waifus = _service.GetTopWaifusAtPage(page);
+
+                if (waifus.Count() == 0)
+                {
+                    await ReplyConfirmLocalizedAsync("waifus_none");
+                    return;
+                }
+
+                var embed = new EmbedBuilder()
+                    .WithTitle(GetText("waifus_top_waifus"))
+                    .WithOkColor();
+
+                var i = 0;
+                foreach (var w in waifus)
+                {
+                    var j = i++;
+                    embed.AddField(efb => efb.WithName("#" + ((page * 9) + j + 1) + " - " + w.Price + CurrencySign).WithValue(w.ToString()).WithIsInline(false));
+                }
+
+                await ctx.Channel.EmbedAsync(embed);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(1)]
+            public Task WaifuInfo([Leftover]IUser target = null)
+            {
+                if (target == null)
+                    target = ctx.User;
+
+                return InternalWaifuInfo(target.Id, target.ToString());
+            }
+            
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(0)]
+            public Task WaifuInfo(ulong targetId)
+                => InternalWaifuInfo(targetId);
+
+            private Task InternalWaifuInfo(ulong targetId, string name = null)
+            {
+                var wi = _service.GetFullWaifuInfoAsync(targetId);
+                var affInfo = _service.GetAffinityTitle(wi.AffinityCount);
+
+                var waifuItems = _service.GetWaifuItems()
+                    .ToDictionary(x => x.ItemEmoji, x => x);
+                
+                
+                var nobody = GetText("nobody");
+                var itemsStr = !wi.Items.Any()
+                    ? "-"
+                    : string.Join("\n", wi.Items
+                        .Where(x => waifuItems.TryGetValue(x.ItemEmoji, out _))
+                        .OrderBy(x => waifuItems[x.ItemEmoji].Price)
+                        .GroupBy(x => x.ItemEmoji)
+                        .Select(x => $"{x.Key} x{x.Count(),-3}")
+                        .Chunk(2)
+                        .Select(x => string.Join(" ", x)));
+
+                var fansStr = wi
+                    .Fans
+                    .Shuffle()
+                    .Take(30)
+                    .Select(x => wi.Claims.Contains(x) ? $"{x} 💞" : x)
+                    .JoinWith('\n');
+                
+                if (string.IsNullOrWhiteSpace(fansStr))
+                    fansStr = "-";
+
+                var embed = new EmbedBuilder()
+                    .WithOkColor()
+                    .WithTitle(GetText("waifu") + " " + (wi.FullName ?? name ?? targetId.ToString()) + " - \"the " +
+                               _service.GetClaimTitle(wi.ClaimCount) + "\"")
+                    .AddField(GetText("price"), wi.Price.ToString(), true)
+                    .AddField(GetText("claimed_by"), wi.ClaimerName ?? nobody, true)
+                    .AddField(GetText("likes"), wi.AffinityName ?? nobody, true)
+                    .AddField(GetText("changes_of_heart"), $"{wi.AffinityCount} - \"the {affInfo}\"", true)
+                    .AddField(GetText("divorces"), wi.DivorceCount.ToString(), true)
+                    .AddField("\u200B", "\u200B", true)
+                    .AddField(GetText("fans", wi.Fans.Count), fansStr, true)
+                    .AddField($"Waifus ({wi.ClaimCount})", wi.ClaimCount == 0 
+                        ? nobody 
+                        : string.Join("\n", wi.Claims.Shuffle().Take(30)), true)
+                    .AddField(GetText("gifts"), itemsStr, true);
+
+                return ctx.Channel.EmbedAsync(embed);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(1)]
+            public async Task WaifuGift(int page = 1)
+            {
+                if (--page < 0 || page > 3)
+                    return;
+
+                var waifuItems = _service.GetWaifuItems();
+                await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+                {
+                    var embed = new EmbedBuilder()
+                        .WithTitle(GetText("waifu_gift_shop"))
+                        .WithOkColor();
+
+                    waifuItems
+                        .OrderBy(x => x.Price)
+                        .Skip(9 * cur)
+                        .Take(9)
+                        .ForEach(x => embed.AddField($"{x.ItemEmoji} {x.Name}", x.Price, true));
+
+                    return embed;
+                }, waifuItems.Count, 9);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            [Priority(0)]
+            public async Task WaifuGift(string itemName, [Leftover] IUser waifu)
+            {
+                if (waifu.Id == ctx.User.Id)
+                    return;
+
+                var allItems = _service.GetWaifuItems();
+                var item = allItems.FirstOrDefault(x => x.Name.ToLowerInvariant() == itemName.ToLowerInvariant());
+                if (item is null)
+                {
+                    await ReplyErrorLocalizedAsync("waifu_gift_not_exist");
+                    return;
+                }
+                var sucess = await _service.GiftWaifuAsync(ctx.User, waifu, item);
+
+                if (sucess)
+                {
+                    await ReplyConfirmLocalizedAsync("waifu_gift", 
+                        Format.Bold(item.ToString() + " " + item.ItemEmoji),
+                        Format.Bold(waifu.ToString()));
+                }
+                else
+                {
+                    await ReplyErrorLocalizedAsync("not_enough", CurrencySign);
+                }
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/WheelOfFortuneCommands.cs

@@ -0,0 +1,65 @@
+using Discord;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Extensions;
+using NadekoBot.Core.Services;
+using System.Threading.Tasks;
+using Wof = NadekoBot.Modules.Gambling.Common.WheelOfFortune.WheelOfFortuneGame;
+using NadekoBot.Modules.Gambling.Services;
+using NadekoBot.Core.Modules.Gambling.Common;
+using NadekoBot.Core.Common;
+using System.Collections.Immutable;
+using NadekoBot.Core.Modules.Gambling.Services;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        public class WheelOfFortuneCommands : GamblingSubmodule<GamblingService>
+        {
+            private static readonly ImmutableArray<string> _emojis = new string[] {
+            "⬆",
+            "↖",
+            "⬅",
+            "↙",
+            "⬇",
+            "↘",
+            "➡",
+            "↗" }.ToImmutableArray();
+
+            private readonly ICurrencyService _cs;
+            private readonly DbService _db;
+
+            public WheelOfFortuneCommands(ICurrencyService cs, DbService db, GamblingConfigService gamblingConfService)
+                : base(gamblingConfService)
+            {
+                _cs = cs;
+                _db = db;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task WheelOfFortune(ShmartNumber amount)
+            {
+                if (!await CheckBetMandatory(amount).ConfigureAwait(false))
+                    return;
+
+                if (!await _cs.RemoveAsync(ctx.User.Id, "Wheel Of Fortune - bet", amount, gamble: true).ConfigureAwait(false))
+                {
+                    await ReplyErrorLocalizedAsync("not_enough", CurrencySign).ConfigureAwait(false);
+                    return;
+                }
+
+                var result = await _service.WheelOfFortuneSpinAsync(ctx.User.Id, amount).ConfigureAwait(false);
+
+                var wofMultipliers = _config.WheelOfFortune.Multipliers;
+                await ctx.Channel.SendConfirmAsync(
+Format.Bold($@"{ctx.User.ToString()} won: {result.Amount + CurrencySign}
+
+   『{wofMultipliers[1]}』   『{wofMultipliers[0]}』   『{wofMultipliers[7]}』
+
+『{wofMultipliers[2]}』      {_emojis[result.Index]}      『{wofMultipliers[6]}』
+
+     『{wofMultipliers[3]}』   『{wofMultipliers[4]}』   『{wofMultipliers[5]}』")).ConfigureAwait(false);
+            }
+        }
+    }
+}