feat: gambling (coinflip & slots)
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38 changed files with 5631 additions and 1 deletions
84
website/src/routes/api/gambling/coinflip/+server.ts
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84
website/src/routes/api/gambling/coinflip/+server.ts
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import { auth } from '$lib/auth';
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import { error, json } from '@sveltejs/kit';
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import { db } from '$lib/server/db';
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import { user } from '$lib/server/db/schema';
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import { eq } from 'drizzle-orm';
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import { randomBytes } from 'crypto';
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import type { RequestHandler } from './$types';
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interface CoinflipRequest {
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side: 'heads' | 'tails';
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amount: number;
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}
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export const POST: RequestHandler = async ({ request }) => {
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const session = await auth.api.getSession({
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headers: request.headers
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});
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if (!session?.user) {
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throw error(401, 'Not authenticated');
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}
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try {
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const { side, amount }: CoinflipRequest = await request.json();
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if (!['heads', 'tails'].includes(side)) {
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return json({ error: 'Invalid side' }, { status: 400 });
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}
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if (!amount || amount <= 0 || !Number.isFinite(amount)) {
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return json({ error: 'Invalid bet amount' }, { status: 400 });
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}
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if (amount > 1000000) {
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return json({ error: 'Bet amount too large' }, { status: 400 });
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}
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const userId = Number(session.user.id);
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const result = await db.transaction(async (tx) => {
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const [userData] = await tx
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.select({ baseCurrencyBalance: user.baseCurrencyBalance })
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.from(user)
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.where(eq(user.id, userId))
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.for('update')
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.limit(1);
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const currentBalance = Number(userData.baseCurrencyBalance);
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if (amount > currentBalance) {
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throw new Error(`Insufficient funds. You need *${amount.toFixed(2)} but only have *${currentBalance.toFixed(2)}`);
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}
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const gameResult: 'heads' | 'tails' = randomBytes(1)[0] < 128 ? 'heads' : 'tails';
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const won = gameResult === side;
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const multiplier = 2;
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const payout = won ? amount * multiplier : 0;
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const newBalance = currentBalance - amount + payout;
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await tx
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.update(user)
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.set({
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baseCurrencyBalance: newBalance.toFixed(8),
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updatedAt: new Date()
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})
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.where(eq(user.id, userId));
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return {
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won,
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result: gameResult,
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newBalance,
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payout,
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amountWagered: amount
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};
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});
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return json(result);
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} catch (e) {
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console.error('Coinflip API error:', e);
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const errorMessage = e instanceof Error ? e.message : 'Internal server error';
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return json({ error: errorMessage }, { status: 400 });
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}
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};
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105
website/src/routes/api/gambling/slots/+server.ts
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105
website/src/routes/api/gambling/slots/+server.ts
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import { auth } from '$lib/auth';
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import { error, json } from '@sveltejs/kit';
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import { db } from '$lib/server/db';
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import { user } from '$lib/server/db/schema';
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import { eq } from 'drizzle-orm';
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import { randomBytes } from 'crypto';
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import type { RequestHandler } from './$types';
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interface SlotsRequest {
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amount: number;
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}
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function getRandomSymbol(symbols: string[]): string {
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const randomValue = randomBytes(1)[0];
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const index = Math.floor((randomValue / 256) * symbols.length);
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return symbols[index];
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}
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export const POST: RequestHandler = async ({ request }) => {
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const session = await auth.api.getSession({
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headers: request.headers
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});
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if (!session?.user) {
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throw error(401, 'Not authenticated');
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}
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try {
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const { amount }: SlotsRequest = await request.json();
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if (!amount || amount <= 0 || !Number.isFinite(amount)) {
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return json({ error: 'Invalid bet amount' }, { status: 400 });
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}
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if (amount > 1000000) {
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return json({ error: 'Bet amount too large' }, { status: 400 });
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}
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const userId = Number(session.user.id);
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const symbols = ['bliptext', 'bussin', 'griddycode', 'lyntr', 'subterfuge', 'twoblade', 'wattesigma', 'webx'];
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const result = await db.transaction(async (tx) => {
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const [userData] = await tx
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.select({ baseCurrencyBalance: user.baseCurrencyBalance })
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.from(user)
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.where(eq(user.id, userId))
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.for('update')
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.limit(1);
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const currentBalance = Number(userData.baseCurrencyBalance);
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if (amount > currentBalance) {
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throw new Error(`Insufficient funds. You need *${amount.toFixed(2)} but only have *${currentBalance.toFixed(2)}`);
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}
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// Generate random symbols
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const gameResult = [
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getRandomSymbol(symbols),
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getRandomSymbol(symbols),
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getRandomSymbol(symbols)
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];
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let multiplier = 0;
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let winType = '';
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if (gameResult[0] === gameResult[1] && gameResult[1] === gameResult[2]) {
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multiplier = 5;
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winType = '3 OF A KIND';
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}
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else if (gameResult[0] === gameResult[1] || gameResult[1] === gameResult[2] || gameResult[0] === gameResult[2]) {
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multiplier = 2;
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winType = '2 OF A KIND';
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}
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const won = multiplier > 0;
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const payout = won ? amount * multiplier : 0;
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const newBalance = currentBalance - amount + payout;
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await tx
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.update(user)
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.set({
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baseCurrencyBalance: newBalance.toFixed(8),
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updatedAt: new Date()
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})
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.where(eq(user.id, userId));
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return {
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won,
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symbols: gameResult,
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newBalance,
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payout,
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amountWagered: amount,
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winType: won ? winType : undefined
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};
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});
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return json(result);
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} catch (e) {
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console.error('Slots API error:', e);
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const errorMessage = e instanceof Error ? e.message : 'Internal server error';
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return json({ error: errorMessage }, { status: 400 });
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}
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};
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85
website/src/routes/gambling/+page.svelte
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85
website/src/routes/gambling/+page.svelte
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<script lang="ts">
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import Coinflip from '$lib/components/self/games/Coinflip.svelte';
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import Slots from '$lib/components/self/games/Slots.svelte';
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import { USER_DATA } from '$lib/stores/user-data';
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import { PORTFOLIO_DATA, fetchPortfolioData } from '$lib/stores/portfolio-data';
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import { onMount } from 'svelte';
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import { toast } from 'svelte-sonner';
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import SignInConfirmDialog from '$lib/components/self/SignInConfirmDialog.svelte';
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import { Button } from '$lib/components/ui/button';
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let shouldSignIn = $state(false);
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let balance = $state(0);
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let loading = $state(true);
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let activeGame = $state('coinflip');
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function handleBalanceUpdate(newBalance: number) {
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balance = newBalance;
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if ($PORTFOLIO_DATA) {
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PORTFOLIO_DATA.update((data) =>
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data
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? {
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...data,
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baseCurrencyBalance: newBalance,
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totalValue: newBalance + data.totalCoinValue
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}
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: null
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);
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}
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}
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$effect(() => {
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if ($USER_DATA && $PORTFOLIO_DATA) {
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balance = $PORTFOLIO_DATA.baseCurrencyBalance;
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}
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});
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</script>
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<SignInConfirmDialog bind:open={shouldSignIn} />
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<svelte:head>
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<title>Gambling - Rugplay</title>
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</svelte:head>
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<div class="container mx-auto max-w-4xl p-6">
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<h1 class="mb-6 text-center text-3xl font-bold">Gambling</h1>
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{#if !$USER_DATA}
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<div class="flex h-96 items-center justify-center">
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<div class="text-center">
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<div class="text-muted-foreground mb-4 text-xl">Sign in to start gambling</div>
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<p class="text-muted-foreground mb-4 text-sm">You need an account to place bets</p>
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<button
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class="text-primary underline hover:cursor-pointer"
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onclick={() => (shouldSignIn = true)}
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>
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Sign in to continue
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</button>
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</div>
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</div>
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{:else}
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<!-- Game Selection -->
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<div class="mb-6 flex justify-center gap-4">
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<Button
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variant={activeGame === 'coinflip' ? 'default' : 'outline'}
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onclick={() => (activeGame = 'coinflip')}
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>
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Coinflip
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</Button>
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<Button
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variant={activeGame === 'slots' ? 'default' : 'outline'}
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onclick={() => (activeGame = 'slots')}
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>
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Slots
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</Button>
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</div>
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<!-- Game Content -->
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{#if activeGame === 'coinflip'}
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<Coinflip bind:balance onBalanceUpdate={handleBalanceUpdate} />
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{:else if activeGame === 'slots'}
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<Slots bind:balance onBalanceUpdate={handleBalanceUpdate} />
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{/if}
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{/if}
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</div>
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