burn swap and page menu updates

2025-10-29 12:36:07 -04:00
parent 66e28ed08d
commit e08506e72c
9 changed files with 713 additions and 167 deletions
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,29 +1,11 @@
 'use client';

-import { useTranslation } from 'react-i18next';
-import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import { SwapForm } from '@/components/swap-form';
-import { StakeForm } from '@/components/stake-form';

 export default function HomePage() {
-  const { t } = useTranslation();
-
  return (
    <div className="w-full max-w-md mx-auto">
-      <Tabs defaultValue="swap" className="w-full">
-        <TabsList className="grid w-full grid-cols-2 mb-8">
-          <TabsTrigger value="swap">{t('nav.swap')}</TabsTrigger>
-          <TabsTrigger value="stake">{t('nav.stake')}</TabsTrigger>
-        </TabsList>
-
-        <TabsContent value="swap">
      <SwapForm />
-        </TabsContent>
-
-        <TabsContent value="stake">
-          <StakeForm />
-        </TabsContent>
-      </Tabs>
    </div>
  );
 }
--- a/src/app/stake/page.tsx
+++ b/src/app/stake/page.tsx
@@ -0,0 +1,11 @@
+'use client';
+
+import { StakeForm } from '@/components/stake-form';
+
+export default function StakePage() {
+  return (
+    <div className="w-full max-w-md mx-auto">
+      <StakeForm />
+    </div>
+  );
+}
--- a/src/app/unstake/page.tsx
+++ b/src/app/unstake/page.tsx
@@ -0,0 +1,11 @@
+'use client';
+
+import { StakeForm } from '@/components/stake-form';
+
+export default function UnstakePage() {
+  return (
+    <div className="w-full max-w-md mx-auto">
+      <StakeForm defaultMode="unstake" />
+    </div>
+  );
+}
--- a/src/components/header.tsx
+++ b/src/components/header.tsx
@@ -4,19 +4,27 @@ import { useTheme } from 'next-themes';
 import { useTranslation } from 'react-i18next';
 import { Button } from '@/components/ui/button';
 import { LanguageSelector } from '@/components/language-selector';
-import { Moon, Sun } from 'lucide-react';
+import { Moon, Sun, Menu, X } from 'lucide-react';
 import { useEffect, useState } from 'react';
 import Link from 'next/link';
+import { usePathname } from 'next/navigation';

 export function Header() {
  const { theme, setTheme } = useTheme();
  const { t } = useTranslation();
  const [mounted, setMounted] = useState(false);
+  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
+  const pathname = usePathname();

  useEffect(() => {
    setMounted(true);
  }, []);

+  useEffect(() => {
+    // Close mobile menu when route changes
+    setMobileMenuOpen(false);
+  }, [pathname]);
+
  const toggleTheme = () => {
    console.log('Toggle clicked, current theme:', theme);
    const newTheme = theme === 'dark' ? 'light' : 'dark';
@@ -26,6 +34,13 @@ export function Header() {

  const logoSrc = !mounted ? '/logo-dark.svg' : theme === 'dark' ? '/logo-dark.svg' : '/logo-light.svg';

+  const navLinks = [
+    { href: '/', label: 'Swap' },
+    { href: '/stake', label: 'Stake' },
+    { href: '/unstake', label: 'Unstake' },
+    { href: '/about', label: 'About' },
+  ];
+
  return (
    <header className="border-b">
      <div className="container mx-auto px-4 py-4 flex items-center justify-between">
@@ -40,37 +55,95 @@ export function Header() {
          <span className="bg-yellow-500/20 text-yellow-500 text-xs font-bold px-2 py-1 rounded border border-yellow-500/50">
            BETA
          </span>
+
+          {/* Mobile Menu Button - Moved to left side */}
+          <Button
+            variant="ghost"
+            size="icon"
+            className="md:hidden"
+            onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
+          >
+            {mobileMenuOpen ? (
+              <X className="h-5 w-5" />
+            ) : (
+              <Menu className="h-5 w-5" />
+            )}
+            <span className="sr-only">Toggle menu</span>
+          </Button>
        </div>

        <div className="flex items-center gap-2">
-          {/* Navigation Links */}
+          {/* Desktop Navigation Links */}
          <nav className="hidden md:flex items-center gap-1 mr-2">
-            <Link href="/">
-              <Button variant="ghost" size="sm" className="text-sm font-medium">
-                Swap
-              </Button>
-            </Link>
-            <Link href="/about">
-              <Button variant="ghost" size="sm" className="text-sm font-medium">
-                About
+            {navLinks.map((link) => (
+              <Link key={link.href} href={link.href}>
+                <Button
+                  variant="ghost"
+                  size="sm"
+                  className={`text-sm font-medium ${pathname === link.href ? 'bg-accent' : ''}`}
+                >
+                  {link.label}
                </Button>
              </Link>
+            ))}
          </nav>

-          {/* Language Selector */}
+          {/* Language Selector - Hidden on small screens */}
+          <div className="hidden sm:block">
            <LanguageSelector />
+          </div>

-          {/* Theme Toggle */}
-          <Button variant="ghost" size="icon" onClick={toggleTheme} type="button">
+          {/* Theme Toggle - Hidden on mobile */}
+          <Button
+            variant="ghost"
+            size="icon"
+            onClick={toggleTheme}
+            type="button"
+            className="hidden sm:flex"
+          >
            <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
            <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
            <span className="sr-only">Toggle theme</span>
          </Button>

-          {/* Wallet Connect */}
+          {/* Wallet Connect - Always visible */}
          <ConnectButton />
        </div>
      </div>
+
+      {/* Mobile Menu */}
+      {mobileMenuOpen && (
+        <div className="md:hidden border-t">
+          <nav className="container mx-auto px-4 py-4 flex flex-col gap-2">
+            {navLinks.map((link) => (
+              <Link key={link.href} href={link.href}>
+                <Button
+                  variant="ghost"
+                  className={`w-full justify-start text-base font-medium ${pathname === link.href ? 'bg-accent' : ''}`}
+                >
+                  {link.label}
+                </Button>
+              </Link>
+            ))}
+            <div className="flex items-center gap-2 pt-2 border-t mt-2">
+              <div className="flex-1">
+                <LanguageSelector />
+              </div>
+              <Button
+                variant="ghost"
+                size="icon"
+                onClick={toggleTheme}
+                type="button"
+                className="flex-shrink-0"
+              >
+                <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
+                <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
+                <span className="sr-only">Toggle theme</span>
+              </Button>
+            </div>
+          </nav>
+        </div>
+      )}
    </header>
  );
 }
--- a/src/components/stake-form.tsx
+++ b/src/components/stake-form.tsx
@@ -5,18 +5,24 @@ import { useTranslation } from 'react-i18next';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Input } from '@/components/ui/input';
 import { Button } from '@/components/ui/button';
-import { ChevronDown, CheckCircle, XCircle, Loader2 } from 'lucide-react';
+import { ChevronDown, CheckCircle, XCircle, Loader2, ArrowDownUp } from 'lucide-react';
 import { useAccount } from 'wagmi';
-import { useGetAllPools, useTokenDetails, useSwapMintAmounts, type PoolDetails, type TokenDetails } from '@/hooks/usePartyPlanner';
-import { useSwapMint } from '@/hooks/usePartyPool';
+import { useGetAllPools, useTokenDetails, useSwapMintAmounts, useBurnSwapAmounts, useLPTokenBalance, type PoolDetails, type TokenDetails } from '@/hooks/usePartyPlanner';
+import { useSwapMint, useBurnSwap } from '@/hooks/usePartyPool';
 import { formatUnits, parseUnits } from 'viem';
 import IPartyPoolABI from '@/contracts/IPartyPoolABI';

 type TransactionStatus = 'idle' | 'pending' | 'success' | 'error';
+type Mode = 'stake' | 'unstake';

-export function StakeForm() {
+interface StakeFormProps {
+  defaultMode?: Mode;
+}
+
+export function StakeForm({ defaultMode = 'stake' }: StakeFormProps) {
  const { t } = useTranslation();
  const { isConnected, address } = useAccount();
+  const [mode, setMode] = useState<Mode>(defaultMode);
  const [stakeAmount, setStakeAmount] = useState('');
  const [selectedPool, setSelectedPool] = useState<PoolDetails | null>(null);
  const [selectedToken, setSelectedToken] = useState<TokenDetails | null>(null);
@@ -33,10 +39,17 @@ export function StakeForm() {
  // Get token details for the user
  const { tokenDetails, loading: tokensLoading } = useTokenDetails(address);

-  // Initialize swap mint hook
+  // Initialize swap mint and burn swap hooks
  const { executeSwapMint, isSwapMinting } = useSwapMint();
+  const { executeBurnSwap, isBurnSwapping } = useBurnSwap();

-  // Get available tokens for staking based on selected pool
+  // Fetch LP token balance (for unstake mode) - must be before isAmountExceedingBalance
+  const { lpBalance } = useLPTokenBalance(
+    mode === 'unstake' ? selectedPool?.address : undefined,
+    address
+  );
+
+  // Get available tokens for staking based on selected pool (for unstake mode)
  const availableTokensForPool = selectedPool && tokenDetails
    ? tokenDetails.filter(token =>
        selectedPool.tokens.some(poolToken =>
@@ -45,18 +58,35 @@ export function StakeForm() {
      )
    : [];

+  // Get available pools for staking based on selected token (for stake mode)
+  const availablePoolsForToken = selectedToken && poolDetails
+    ? poolDetails.filter(pool =>
+        pool.tokens.some(poolToken =>
+          poolToken.toLowerCase() === selectedToken.address.toLowerCase()
+        )
+      )
+    : [];
+
  // Check if amount exceeds balance
  const isAmountExceedingBalance = useMemo(() => {
-    if (!stakeAmount || !selectedToken) return false;
+    if (!stakeAmount) return false;

    try {
+      if (mode === 'stake') {
+        if (!selectedToken) return false;
        const amountInWei = parseUnits(stakeAmount, selectedToken.decimals);
        return amountInWei > selectedToken.balance;
+      } else {
+        // Unstake mode - check against LP balance
+        if (!lpBalance) return false;
+        const amountInWei = parseUnits(stakeAmount, 18); // LP tokens have 18 decimals
+        return amountInWei > lpBalance;
+      }
    } catch {
      // If parseUnits fails (invalid input), don't show error
      return false;
    }
-  }, [stakeAmount, selectedToken]);
+  }, [stakeAmount, selectedToken, mode, lpBalance]);

  // Get the input token index in the selected pool
  const inputTokenIndex = useMemo(() => {
@@ -74,17 +104,26 @@ export function StakeForm() {
    if (!stakeAmount || !selectedToken) return undefined;

    try {
-      return parseUnits(stakeAmount, selectedToken.decimals);
+      // For unstake mode, LP tokens always have 18 decimals
+      const decimals = mode === 'unstake' ? 18 : selectedToken.decimals;
+      return parseUnits(stakeAmount, decimals);
    } catch {
      return undefined;
    }
-  }, [stakeAmount, selectedToken]);
+  }, [stakeAmount, selectedToken, mode]);

-  // Fetch swap mint amounts
+  // Fetch swap mint amounts (for stake mode)
  const { swapMintAmounts, loading: swapMintLoading } = useSwapMintAmounts(
-    selectedPool?.address,
-    inputTokenIndex,
-    maxAmountIn
+    mode === 'stake' ? selectedPool?.address : undefined,
+    mode === 'stake' ? inputTokenIndex : undefined,
+    mode === 'stake' ? maxAmountIn : undefined
+  );
+
+  // Fetch burn swap amounts (for unstake mode)
+  const { burnSwapAmounts, loading: burnSwapLoading } = useBurnSwapAmounts(
+    mode === 'unstake' ? selectedPool?.address : undefined,
+    mode === 'unstake' ? maxAmountIn : undefined,
+    mode === 'unstake' ? inputTokenIndex : undefined
  );

  // Close dropdowns when clicking outside
@@ -112,6 +151,7 @@ export function StakeForm() {
    setTransactionError(null);

    try {
+      if (mode === 'stake') {
        // Execute the swap mint transaction
        await executeSwapMint(
          selectedPool.address,
@@ -119,10 +159,19 @@ export function StakeForm() {
          inputTokenIndex,
          maxAmountIn
        );
+      } else {
+        // Execute the burn swap transaction
+        await executeBurnSwap(
+          selectedPool.address,
+          maxAmountIn,
+          inputTokenIndex,
+          false // unwrap = false by default
+        );
+      }

      setTransactionStatus('success');
    } catch (err) {
-      console.error('Stake failed:', err);
+      console.error(`${mode === 'stake' ? 'Stake' : 'Unstake'} failed:`, err);
      setTransactionError(err instanceof Error ? err.message : 'Transaction failed');
      setTransactionStatus('error');
    }
@@ -139,15 +188,25 @@ export function StakeForm() {
    setTransactionError(null);
  };

+  const toggleMode = () => {
+    setMode(mode === 'stake' ? 'unstake' : 'stake');
+    // Clear selections when switching modes
+    setStakeAmount('');
+    setSelectedPool(null);
+    setSelectedToken(null);
+  };
+
  return (
    <Card className="w-full max-w-md mx-auto relative">
      <CardHeader>
        <div className="flex justify-between items-center">
-          <CardTitle>Stake</CardTitle>
+          <CardTitle>{mode === 'stake' ? 'Stake' : 'Unstake'}</CardTitle>
        </div>
      </CardHeader>
      <CardContent className="space-y-4">
-        {/* Pool Selection */}
+        {/* First Selection - depends on mode */}
+        {mode === 'stake' ? (
+          /* Pool Selection (Stake Mode) */
          <div className="space-y-2">
            <div className="text-sm">
              <label className="text-muted-foreground">{t('stake.selectPool')}</label>
@@ -178,7 +237,6 @@ export function StakeForm() {
                        onClick={() => {
                          setSelectedPool(pool);
                          setIsPoolDropdownOpen(false);
-                        // Reset token selection when pool changes
                          setSelectedToken(null);
                        }}
                      >
@@ -197,8 +255,74 @@ export function StakeForm() {
              )}
            </div>
          </div>
+        ) : (
+          /* Pool Selection (Unstake Mode) */
+          <div className="space-y-2">
+            <div className="text-sm">
+              <label className="text-muted-foreground">{t('stake.selectPool')}</label>
+            </div>
+            <div className="relative" ref={poolDropdownRef}>
+              <Button
+                variant="secondary"
+                className="w-full h-16 justify-between"
+                onClick={() => setIsPoolDropdownOpen(!isPoolDropdownOpen)}
+              >
+                {selectedPool ? (
+                  <div className="flex flex-col items-start">
+                    <span className="font-medium">{selectedPool.symbol}</span>
+                    <span className="text-xs text-muted-foreground">{selectedPool.name}</span>
+                  </div>
+                ) : (
+                  t('stake.selectPool')
+                )}
+                <ChevronDown className="h-4 w-4 ml-2" />
+              </Button>
+              {isPoolDropdownOpen && (
+                <div className="absolute z-50 w-full mt-2 bg-popover border rounded-md shadow-lg max-h-[300px] overflow-y-auto">
+                  {poolDetails && poolDetails.length > 0 ? (
+                    poolDetails.map((pool) => (
+                      <button
+                        key={pool.address}
+                        className="w-full px-4 py-3 text-left hover:bg-accent focus:bg-accent focus:outline-none"
+                        onClick={() => {
+                          setSelectedPool(pool);
+                          setIsPoolDropdownOpen(false);
+                          setSelectedToken(null);
+                        }}
+                      >
+                        <div className="flex flex-col">
+                          <span className="font-medium">{pool.symbol}</span>
+                          <span className="text-xs text-muted-foreground">{pool.name}</span>
+                        </div>
+                      </button>
+                    ))
+                  ) : (
+                    <div className="px-4 py-3 text-sm text-muted-foreground">
+                      {poolsLoading ? 'Loading pools...' : 'No pools available'}
+                    </div>
+                  )}
+                </div>
+              )}
+            </div>
+          </div>
+        )}

-        {/* Token Selection */}
+        {/* Toggle Button */}
+        <div className="flex justify-center">
+          <Button
+            variant="ghost"
+            size="icon"
+            onClick={toggleMode}
+            className="rounded-full"
+            title={mode === 'stake' ? 'Switch to Unstake' : 'Switch to Stake'}
+          >
+            <ArrowDownUp className="h-4 w-4" />
+          </Button>
+        </div>
+
+        {/* Second Selection - depends on mode */}
+        {mode === 'stake' ? (
+          /* Token Selection (Stake Mode) */
          <div className="space-y-2">
            <div className="text-sm">
              <label className="text-muted-foreground">{t('stake.selectToken')}</label>
@@ -248,11 +372,78 @@ export function StakeForm() {
              )}
            </div>
          </div>
+        ) : (
+          /* Token Selection (Unstake Mode) */
+          <div className="space-y-2">
+            <div className="text-sm">
+              <label className="text-muted-foreground">{t('stake.selectToken')}</label>
+            </div>
+            <div className="relative" ref={tokenDropdownRef}>
+              <Button
+                variant="secondary"
+                className="w-full h-16 justify-between"
+                onClick={() => setIsTokenDropdownOpen(!isTokenDropdownOpen)}
+                disabled={!selectedPool}
+              >
+                {selectedToken ? (
+                  <span className="font-medium">{selectedToken.symbol}</span>
+                ) : (
+                  t('stake.selectToken')
+                )}
+                <ChevronDown className="h-4 w-4 ml-2" />
+              </Button>
+              <div className="text-xs text-muted-foreground text-right mt-1">
+                {t('swap.balance')}: {lpBalance !== null && selectedPool ? formatUnits(lpBalance, 18) : '0.00'} {selectedPool?.symbol || 'LP'}
+              </div>
+              {isTokenDropdownOpen && (
+                <div className="absolute z-50 w-full mt-2 bg-popover border rounded-md shadow-lg max-h-[300px] overflow-y-auto">
+                  {availableTokensForPool.length > 0 ? (
+                    availableTokensForPool.map((token) => (
+                      <button
+                        key={token.address}
+                        className="w-full px-4 py-3 text-left hover:bg-accent focus:bg-accent focus:outline-none"
+                        onClick={() => {
+                          setSelectedToken(token);
+                          setIsTokenDropdownOpen(false);
+                        }}
+                      >
+                        <span className="font-medium">{token.symbol}</span>
+                      </button>
+                    ))
+                  ) : selectedPool ? (
+                    <div className="px-4 py-3 text-sm text-muted-foreground">
+                      {tokensLoading ? 'Loading tokens...' : 'No tokens available for this pool'}
+                    </div>
+                  ) : (
+                    <div className="px-4 py-3 text-sm text-muted-foreground">
+                      Select a pool first
+                    </div>
+                  )}
+                </div>
+              )}
+            </div>
+          </div>
+        )}

        {/* Amount Input */}
        <div className="space-y-2">
-          <div className="text-sm">
+          <div className="flex justify-between items-center text-sm">
            <label className="text-muted-foreground">{t('stake.amount')}</label>
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-6 px-2 text-xs"
+              onClick={() => {
+                if (mode === 'stake' && selectedToken) {
+                  setStakeAmount(formatUnits(selectedToken.balance, selectedToken.decimals));
+                } else if (mode === 'unstake' && lpBalance !== null) {
+                  setStakeAmount(formatUnits(lpBalance, 18));
+                }
+              }}
+              disabled={!selectedToken || !selectedPool || (mode === 'stake' ? !selectedToken : lpBalance === null)}
+            >
+              MAX
+            </Button>
          </div>
          <Input
            type="number"
@@ -269,8 +460,8 @@ export function StakeForm() {
          )}
        </div>

-        {/* Swap Mint Amounts Display */}
-        {swapMintAmounts && selectedToken && !isAmountExceedingBalance && (
+        {/* Swap Mint Amounts Display (Stake Mode) */}
+        {mode === 'stake' && swapMintAmounts && selectedToken && !isAmountExceedingBalance && (
          <div className="px-4 py-3 bg-muted/30 rounded-lg space-y-2">
            <div className="flex justify-between text-sm">
              <span className="text-muted-foreground">{t('stake.amountUsed')}:</span>
@@ -293,17 +484,29 @@ export function StakeForm() {
          </div>
        )}

-        {/* Stake Button */}
+        {/* Burn Swap Amounts Display (Unstake Mode) */}
+        {mode === 'unstake' && burnSwapAmounts && selectedToken && !isAmountExceedingBalance && (
+          <div className="px-4 py-3 bg-muted/30 rounded-lg space-y-2">
+            <div className="flex justify-between text-sm">
+              <span className="text-muted-foreground">{t('stake.amountOut')}:</span>
+              <span className="font-medium">
+                {burnSwapLoading ? 'Calculating...' : `${formatUnits(burnSwapAmounts, selectedToken.decimals)} ${selectedToken.symbol}`}
+              </span>
+            </div>
+          </div>
+        )}
+
+        {/* Stake/Unstake Button */}
        <Button
          className="w-full h-14 text-lg"
          onClick={handleStake}
-          disabled={!isConnected || !stakeAmount || !selectedPool || !selectedToken || isAmountExceedingBalance || isSwapMinting}
+          disabled={!isConnected || !stakeAmount || !selectedPool || !selectedToken || isAmountExceedingBalance || isSwapMinting || isBurnSwapping}
        >
          {!isConnected
            ? t('swap.connectWalletToSwap')
-            : isSwapMinting
-            ? 'Staking...'
-            : t('stake.stakeButton')}
+            : (isSwapMinting || isBurnSwapping)
+            ? mode === 'stake' ? 'Staking...' : 'Unstaking...'
+            : mode === 'stake' ? t('stake.stakeButton') : 'Unstake'}
        </Button>
      </CardContent>

@@ -314,9 +517,14 @@ export function StakeForm() {
            {transactionStatus === 'pending' && (
              <div className="flex flex-col items-center space-y-4">
                <Loader2 className="h-16 w-16 animate-spin text-primary" />
-                <h3 className="text-xl font-semibold text-center">Approving Stake</h3>
+                <h3 className="text-xl font-semibold text-center">
+                  {mode === 'stake' ? 'Approving Stake' : 'Approving Unstake'}
+                </h3>
                <p className="text-sm text-muted-foreground text-center">
-                  Staking {stakeAmount} {selectedToken?.symbol} to {selectedPool?.symbol}
+                  {mode === 'stake'
+                    ? `Staking ${stakeAmount} ${selectedToken?.symbol} to ${selectedPool?.symbol}`
+                    : `Unstaking ${stakeAmount} ${selectedPool?.symbol} LP for ${selectedToken?.symbol}`
+                  }
                </p>
                <p className="text-xs text-muted-foreground text-center">
                  Please confirm the transactions in your wallet
@@ -327,9 +535,14 @@ export function StakeForm() {
            {transactionStatus === 'success' && (
              <div className="flex flex-col items-center space-y-4">
                <CheckCircle className="h-16 w-16 text-green-500" />
-                <h3 className="text-xl font-semibold text-center">Stake Confirmed!</h3>
+                <h3 className="text-xl font-semibold text-center">
+                  {mode === 'stake' ? 'Stake Confirmed!' : 'Unstake Confirmed!'}
+                </h3>
                <p className="text-sm text-muted-foreground text-center">
-                  Successfully staked {stakeAmount} {selectedToken?.symbol} to {selectedPool?.symbol}
+                  {mode === 'stake'
+                    ? `Successfully staked ${stakeAmount} ${selectedToken?.symbol} to ${selectedPool?.symbol}`
+                    : `Successfully unstaked ${stakeAmount} ${selectedPool?.symbol} LP for ${selectedToken?.symbol}`
+                  }
                </p>
                <Button
                  onClick={handleCloseModal}
@@ -343,7 +556,9 @@ export function StakeForm() {
            {transactionStatus === 'error' && (
              <div className="flex flex-col items-center space-y-4">
                <XCircle className="h-16 w-16 text-destructive" />
-                <h3 className="text-xl font-semibold text-center">Stake Failed</h3>
+                <h3 className="text-xl font-semibold text-center">
+                  {mode === 'stake' ? 'Stake Failed' : 'Unstake Failed'}
+                </h3>
                <p className="text-sm text-muted-foreground text-center break-words">
                  {transactionError || 'Transaction failed'}
                </p>
--- a/src/components/swap-form.tsx
+++ b/src/components/swap-form.tsx
@@ -187,8 +187,21 @@ export function SwapForm() {
      <CardContent className="space-y-4">
        {/* From Token */}
        <div className="space-y-2">
-          <div className="text-sm">
+          <div className="flex justify-between items-center text-sm">
            <label className="text-muted-foreground">{t('swap.youPay')}</label>
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-6 px-2 text-xs"
+              onClick={() => {
+                if (selectedFromToken) {
+                  setFromAmount(formatUnits(selectedFromToken.balance, selectedFromToken.decimals));
+                }
+              }}
+              disabled={!selectedFromToken}
+            >
+              MAX
+            </Button>
          </div>
          <div className="flex gap-2">
            <Input
--- a/src/hooks/usePartyPlanner.ts
+++ b/src/hooks/usePartyPlanner.ts
@@ -523,3 +523,136 @@ export function useSwapMintAmounts(
    isReady: mounted,
  };
 }
+
+export function useBurnSwapAmounts(
+  poolAddress: `0x${string}` | undefined,
+  lpAmount: bigint | undefined,
+  inputTokenIndex: number | undefined
+) {
+  const publicClient = usePublicClient();
+  const [mounted, setMounted] = useState(false);
+  const [burnSwapAmounts, setBurnSwapAmounts] = useState<bigint | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  // Handle hydration for Next.js static export
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  useEffect(() => {
+    if (!mounted || !poolAddress || !lpAmount || lpAmount === BigInt(0) || inputTokenIndex === undefined) {
+      setLoading(false);
+      setBurnSwapAmounts(null);
+      return;
+    }
+
+    const fetchBurnSwapAmounts = async () => {
+      if (!publicClient) {
+        setLoading(false);
+        return;
+      }
+
+      try {
+        setLoading(true);
+        setError(null);
+
+        // Get chain ID and contract address
+        const chainId = await publicClient.getChainId();
+        const viewerAddress = (chainInfo as Record<string, { v1: { PartyPlanner: string; PartyPoolViewer: string } }>)[chainId.toString()]?.v1?.PartyPoolViewer;
+
+        if (!viewerAddress) {
+          setError('IPartyPoolViewer contract not found for current chain');
+          setBurnSwapAmounts(null);
+          return;
+        }
+
+        // Call burnSwapAmounts function
+        const result = await publicClient.readContract({
+          address: viewerAddress as `0x${string}`,
+          abi: IPartyPoolViewerABI,
+          functionName: 'burnSwapAmounts',
+          args: [poolAddress, lpAmount, BigInt(inputTokenIndex)],
+        }) as bigint;
+
+        setBurnSwapAmounts(result);
+      } catch (err) {
+        console.error('Error calling burnSwapAmounts:', err);
+        setError(err instanceof Error ? err.message : 'Failed to fetch burn swap amounts');
+        setBurnSwapAmounts(null);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    fetchBurnSwapAmounts();
+  }, [publicClient, mounted, poolAddress, lpAmount, inputTokenIndex]);
+
+  return {
+    burnSwapAmounts,
+    loading,
+    error,
+    isReady: mounted,
+  };
+}
+
+export function useLPTokenBalance(
+  poolAddress: `0x${string}` | undefined,
+  userAddress: `0x${string}` | undefined
+) {
+  const publicClient = usePublicClient();
+  const [mounted, setMounted] = useState(false);
+  const [lpBalance, setLpBalance] = useState<bigint | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  // Handle hydration for Next.js static export
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  useEffect(() => {
+    if (!mounted || !poolAddress || !userAddress) {
+      setLoading(false);
+      setLpBalance(null);
+      return;
+    }
+
+    const fetchLPBalance = async () => {
+      if (!publicClient) {
+        setLoading(false);
+        return;
+      }
+
+      try {
+        setLoading(true);
+        setError(null);
+
+        // Call balanceOf on the pool (which is an ERC20 LP token)
+        const balance = await publicClient.readContract({
+          address: poolAddress,
+          abi: ERC20ABI,
+          functionName: 'balanceOf',
+          args: [userAddress],
+        }) as bigint;
+
+        setLpBalance(balance);
+      } catch (err) {
+        console.error('Error fetching LP token balance:', err);
+        setError(err instanceof Error ? err.message : 'Failed to fetch LP balance');
+        setLpBalance(null);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    fetchLPBalance();
+  }, [publicClient, mounted, poolAddress, userAddress]);
+
+  return {
+    lpBalance,
+    loading,
+    error,
+    isReady: mounted,
+  };
+}
--- a/src/hooks/usePartyPool.ts
+++ b/src/hooks/usePartyPool.ts
@@ -463,3 +463,110 @@ export function useSwapMint() {
        swapMintError,
    };
 }
+
+export function useBurnSwap() {
+    const publicClient = usePublicClient();
+    const { data: walletClient } = useWalletClient();
+    const [isBurnSwapping, setIsBurnSwapping] = useState(false);
+    const [burnSwapHash, setBurnSwapHash] = useState<`0x${string}` | null>(null);
+    const [burnSwapError, setBurnSwapError] = useState<string | null>(null);
+
+    const executeBurnSwap = async (
+        poolAddress: `0x${string}`,
+        lpAmount: bigint,
+        inputTokenIndex: number,
+        unwrap: boolean = false
+    ) => {
+        if (!walletClient || !publicClient) {
+            setBurnSwapError('Wallet not connected');
+            return;
+        }
+
+        try {
+            setIsBurnSwapping(true);
+            setBurnSwapError(null);
+            setBurnSwapHash(null);
+
+            const userAddress = walletClient.account.address;
+
+            // STEP 1: Approve the pool to spend the LP tokens
+            console.log('🔐 Approving LP token spend for burn swap...');
+            console.log('LP token (pool) to approve:', poolAddress);
+            console.log('Spender (pool):', poolAddress);
+            console.log('Amount:', lpAmount.toString());
+
+            const approvalHash = await walletClient.writeContract({
+                address: poolAddress,
+                abi: [
+                    {
+                        name: 'approve',
+                        type: 'function',
+                        stateMutability: 'nonpayable',
+                        inputs: [
+                            { name: 'spender', type: 'address' },
+                            { name: 'amount', type: 'uint256' }
+                        ],
+                        outputs: [{ name: '', type: 'bool' }]
+                    }
+                ],
+                functionName: 'approve',
+                args: [poolAddress, lpAmount],
+            });
+
+            console.log('✅ Approval transaction submitted:', approvalHash);
+            await publicClient.waitForTransactionReceipt({ hash: approvalHash });
+            console.log('✅ Approval confirmed');
+
+            // STEP 2: Calculate deadline (5 minutes from now)
+            const deadline = BigInt(Math.floor(Date.now() / 1000) + 300); // 5 minutes = 300 seconds
+
+            console.log('🚀 Executing burnSwap with params:', {
+                pool: poolAddress,
+                payer: userAddress,
+                receiver: userAddress,
+                lpAmount: lpAmount.toString(),
+                inputTokenIndex,
+                deadline: deadline.toString(),
+                unwrap,
+            });
+
+            // STEP 3: Execute the burnSwap transaction
+            const hash = await walletClient.writeContract({
+                address: poolAddress,
+                abi: IPartyPoolABI,
+                functionName: 'burnSwap',
+                args: [
+                    userAddress, // payer
+                    userAddress, // receiver
+                    lpAmount,
+                    BigInt(inputTokenIndex),
+                    deadline,
+                    unwrap,
+                ],
+            });
+
+            setBurnSwapHash(hash);
+            console.log('✅ BurnSwap transaction submitted:', hash);
+
+            // Wait for transaction confirmation
+            const receipt = await publicClient.waitForTransactionReceipt({ hash });
+            console.log('✅ BurnSwap transaction confirmed:', receipt);
+
+            return receipt;
+        } catch (err) {
+            const errorMessage = err instanceof Error ? err.message : 'BurnSwap failed';
+            setBurnSwapError(errorMessage);
+            console.error('❌ BurnSwap error:', err);
+            throw err;
+        } finally {
+            setIsBurnSwapping(false);
+        }
+    };
+
+    return {
+        executeBurnSwap,
+        isBurnSwapping,
+        burnSwapHash,
+        burnSwapError,
+    };
+}
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -28,6 +28,7 @@
    "insufficientBalance": "Insufficient balance",
    "amountUsed": "Amount Used",
    "fee": "Fee",
-    "lpMinted": "LP Minted"
+    "lpMinted": "LP Minted",
+    "amountOut": "Amount Out"
  }
 }