Files
web/src/components/swap-form.tsx

284 lines
11 KiB
TypeScript

'use client';
import { useState, useEffect, useRef } from 'react';
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 { ArrowDownUp, ChevronDown } from 'lucide-react';
import { useAccount } from 'wagmi';
import { useTokenDetails, useGetPoolsByToken, type TokenDetails } from '@/hooks/usePartyPlanner';
import { formatUnits } from 'viem';
export function SwapForm() {
const { t } = useTranslation();
const { isConnected, address } = useAccount();
const [fromAmount, setFromAmount] = useState('');
const [toAmount, setToAmount] = useState('');
const [selectedFromToken, setSelectedFromToken] = useState<TokenDetails | null>(null);
const [selectedToToken, setSelectedToToken] = useState<TokenDetails | null>(null);
const [isFromDropdownOpen, setIsFromDropdownOpen] = useState(false);
const [isToDropdownOpen, setIsToDropdownOpen] = useState(false);
const [slippage, setSlippage] = useState<number>(0.5); // Default 0.5%
const [customSlippage, setCustomSlippage] = useState<string>('');
const [isCustomSlippage, setIsCustomSlippage] = useState(false);
const fromDropdownRef = useRef<HTMLDivElement>(null);
const toDropdownRef = useRef<HTMLDivElement>(null);
// Use the custom hook to get all token details with a single batched RPC call
const { tokenDetails, loading, error } = useTokenDetails(address);
// Get available tokens for the selected "from" token
const { availableTokens } = useGetPoolsByToken(selectedFromToken?.address);
// Trigger the hook to fetch data when address is available
useEffect(() => {
if (tokenDetails) {
console.log('Token details loaded in swap-form');
}
}, [tokenDetails]);
// Close dropdowns when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (fromDropdownRef.current && !fromDropdownRef.current.contains(event.target as Node)) {
setIsFromDropdownOpen(false);
}
if (toDropdownRef.current && !toDropdownRef.current.contains(event.target as Node)) {
setIsToDropdownOpen(false);
}
};
document.addEventListener('mousedown', handleClickOutside);
return () => document.removeEventListener('mousedown', handleClickOutside);
}, []);
// Calculate and log limit price when amount or slippage changes
useEffect(() => {
if (fromAmount && parseFloat(fromAmount) > 0) {
const amount = parseFloat(fromAmount);
const slippagePercent = isCustomSlippage ? parseFloat(customSlippage) || 0 : slippage;
const limitPrice = amount * (1 + slippagePercent / 100);
console.log('Limit Price:', limitPrice);
console.log('From Amount:', amount);
console.log('Slippage %:', slippagePercent);
console.log('Additional Amount from Slippage:', limitPrice - amount);
}
}, [fromAmount, slippage, customSlippage, isCustomSlippage]);
const handleSwap = () => {
// Swap logic will be implemented later
console.log('Swap clicked');
};
const switchTokens = () => {
// Switch tokens logic
setFromAmount(toAmount);
setToAmount(fromAmount);
};
return (
<Card className="w-full max-w-md mx-auto">
<CardHeader>
<CardTitle>{t('swap.title')}</CardTitle>
</CardHeader>
<CardContent className="space-y-4">
{/* From Token */}
<div className="space-y-2">
<div className="flex justify-between text-sm">
<label className="text-muted-foreground">{t('swap.youPay')}</label>
<span className="text-muted-foreground">
{t('swap.balance')}: {selectedFromToken ? formatUnits(selectedFromToken.balance, selectedFromToken.decimals) : '0.00'}
</span>
</div>
<div className="flex gap-2">
<Input
type="number"
placeholder="0.0"
value={fromAmount}
onChange={(e) => setFromAmount(e.target.value)}
className="text-2xl h-16"
/>
<div className="relative min-w-[160px]" ref={fromDropdownRef}>
<Button
variant="secondary"
className="w-full h-16 justify-between"
onClick={() => setIsFromDropdownOpen(!isFromDropdownOpen)}
>
{selectedFromToken ? (
<span className="font-medium">{selectedFromToken.symbol}</span>
) : (
t('swap.selectToken')
)}
<ChevronDown className="h-4 w-4 ml-2" />
</Button>
{isFromDropdownOpen && (
<div className="absolute z-50 w-full mt-2 bg-popover border rounded-md shadow-lg max-h-[300px] overflow-y-auto">
{tokenDetails && tokenDetails.length > 0 ? (
tokenDetails.map((token) => (
<button
key={token.address}
className="w-full px-4 py-3 text-left hover:bg-accent focus:bg-accent focus:outline-none flex items-center justify-between"
onClick={() => {
setSelectedFromToken(token);
setIsFromDropdownOpen(false);
}}
>
<span className="font-medium">{token.symbol}</span>
<span className="text-sm text-muted-foreground">
{formatUnits(token.balance, token.decimals)}
</span>
</button>
))
) : (
<div className="px-4 py-3 text-sm text-muted-foreground">
{loading ? 'Loading tokens...' : 'No tokens available'}
</div>
)}
</div>
)}
</div>
</div>
</div>
{/* Switch Button */}
<div className="flex justify-center">
<Button
variant="ghost"
size="icon"
onClick={switchTokens}
className="rounded-full"
>
<ArrowDownUp className="h-4 w-4" />
</Button>
</div>
{/* To Token */}
<div className="space-y-2">
<div className="flex justify-between text-sm">
<label className="text-muted-foreground">{t('swap.youReceive')}</label>
<span className="text-muted-foreground">
{t('swap.balance')}: {selectedToToken ? formatUnits(selectedToToken.balance, selectedToToken.decimals) : '0.00'}
</span>
</div>
<div className="flex gap-2">
<Input
type="number"
placeholder="0.0"
value={toAmount}
onChange={(e) => setToAmount(e.target.value)}
className="text-2xl h-16"
disabled={!selectedFromToken}
/>
<div className="relative min-w-[160px]" ref={toDropdownRef}>
<Button
variant="secondary"
className="w-full h-16 justify-between"
onClick={() => setIsToDropdownOpen(!isToDropdownOpen)}
disabled={!selectedFromToken}
>
{selectedToToken ? (
<span className="font-medium">{selectedToToken.symbol}</span>
) : (
t('swap.selectToken')
)}
<ChevronDown className="h-4 w-4 ml-2" />
</Button>
{isToDropdownOpen && (
<div className="absolute z-50 w-full mt-2 bg-popover border rounded-md shadow-lg max-h-[300px] overflow-y-auto">
{availableTokens && availableTokens.length > 0 && tokenDetails ? (
// Filter tokenDetails to only show tokens in availableTokens
tokenDetails
.filter((token) =>
availableTokens.some((availToken) =>
availToken.toLowerCase() === token.address.toLowerCase()
)
)
.map((token) => (
<button
key={token.address}
className="w-full px-4 py-3 text-left hover:bg-accent focus:bg-accent focus:outline-none flex items-center justify-between"
onClick={() => {
setSelectedToToken(token);
setIsToDropdownOpen(false);
}}
>
<span className="font-medium">{token.symbol}</span>
<span className="text-sm text-muted-foreground">
{formatUnits(token.balance, token.decimals)}
</span>
</button>
))
) : selectedFromToken ? (
<div className="px-4 py-3 text-sm text-muted-foreground">
{loading ? 'Loading available tokens...' : 'No tokens available for swap'}
</div>
) : (
<div className="px-4 py-3 text-sm text-muted-foreground">
Select a token in "You Pay" first
</div>
)}
</div>
)}
</div>
</div>
</div>
{/* Slippage Tolerance */}
<div className="space-y-3 pt-2">
<div className="flex justify-between items-center">
<label className="text-sm font-medium">Slippage Tolerance</label>
<span className="text-sm text-muted-foreground">
{isCustomSlippage ? customSlippage || '0' : slippage}%
</span>
</div>
<div className="flex gap-2 flex-wrap">
{[0.1, 0.2, 0.3, 1, 2, 3].map((percent) => (
<Button
key={percent}
variant={!isCustomSlippage && slippage === percent ? 'default' : 'outline'}
size="sm"
onClick={() => {
setSlippage(percent);
setIsCustomSlippage(false);
}}
className="flex-1 min-w-[60px]"
>
{percent}%
</Button>
))}
<div className="flex-1 min-w-[80px] relative">
<Input
type="number"
placeholder="Custom"
value={customSlippage}
onChange={(e) => {
setCustomSlippage(e.target.value);
setIsCustomSlippage(true);
}}
onFocus={() => setIsCustomSlippage(true)}
className={`h-9 pr-6 ${isCustomSlippage ? 'border-primary' : ''}`}
step="0.01"
/>
{isCustomSlippage && (
<span className="absolute right-2 top-1/2 -translate-y-1/2 text-xs text-muted-foreground">
%
</span>
)}
</div>
</div>
</div>
{/* Swap Button */}
<Button
className="w-full h-14 text-lg"
onClick={handleSwap}
disabled={!isConnected || !fromAmount || !toAmount}
>
{!isConnected ? t('swap.connectWalletToSwap') : t('swap.swapButton')}
</Button>
</CardContent>
</Card>
);
}