feat(web): add apps/web Next.js app src, tailwind, tsconfig and pages

2026-08-31 01:21:32 +08:00
parent acc5274a1e
commit 7e554402b2
14 changed files with 1163 additions and 2 deletions
@@ -0,0 +1,10 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  background-color: #090A0F;
+  color: #F3F4F6;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
+  overflow-x: hidden;
+}
@@ -0,0 +1,21 @@
+import './globals.css';
+import React from 'react';
+
+export const metadata = {
+  title: 'WTFX | Next-Gen Prediction Market & Liquidity Protocol',
+  description: 'Ultra-low latency prediction markets powered by Power LDA Bonding Curves',
+};
+
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <html lang="zh-CN" className="dark">
+      <body className="bg-[#090A0F] text-slate-100 antialiased min-h-screen">
+        {children}
+      </body>
+    </html>
+  );
+}
@@ -0,0 +1,57 @@
+'use client';
+
+import React, { useState } from 'react';
+import { Web3Provider } from '../context/Web3Context';
+import { WebNavbar } from '../components/WebNavbar';
+import { MarketExplore, MarketItem } from '../features/explore/MarketExplore';
+import { TradingTerminal } from '../features/trading/TradingTerminal';
+import { PortfolioView } from '../features/portfolio/PortfolioView';
+
+const DEFAULT_MARKET: MarketItem = {
+  id: 'm-1',
+  marketAddress: '0xc0E24E152771C588B21AEB654b30B1cBAf381c1a',
+  title: 'Will Bitcoin break above $120,000 before end of Q4 2026?',
+  category: 'Crypto',
+  tier: 1,
+  outcomes: [
+    { label: 'YES', price: 0.68, percentage: 68 },
+    { label: 'NO', price: 0.32, percentage: 32 }
+  ],
+  poolLiquidity: 1250000,
+  volume24h: 384000,
+  endTime: '2026-12-31',
+  status: 'ACTIVE'
+};
+
+export default function WebApp() {
+  const [activeTab, setActiveTab] = useState<string>('explore');
+  const [selectedMarket, setSelectedMarket] = useState<MarketItem>(DEFAULT_MARKET);
+
+  const handleSelectMarket = (m: MarketItem) => {
+    setSelectedMarket(m);
+    setActiveTab('trade');
+  };
+
+  return (
+    <Web3Provider>
+      <div className="min-h-screen bg-[#090A0F] text-slate-100 flex flex-col selection:bg-cyan-500 selection:text-white">
+        <WebNavbar activeTab={activeTab} setActiveTab={setActiveTab} />
+
+        <main className="flex-1 max-w-7xl w-full mx-auto px-4 sm:px-6 lg:px-8 py-8">
+          {activeTab === 'explore' && <MarketExplore onSelectMarket={handleSelectMarket} />}
+          {activeTab === 'trade' && <TradingTerminal market={selectedMarket} />}
+          {activeTab === 'portfolio' && <PortfolioView />}
+        </main>
+
+        <footer className="border-t border-slate-900 py-8 text-center text-xs text-slate-600 space-y-2">
+          <div>
+            WTFX Prediction Markets &bull; Powered by Power LDA Bonding Curves on Robinhood Chain (ID: 46630)
+          </div>
+          <div className="text-[11px] text-slate-700">
+            All positions and ledger settlements are guaranteed deterministically.
+          </div>
+        </footer>
+      </div>
+    </Web3Provider>
+  );
+}
@@ -0,0 +1,101 @@
+import React from 'react';
+import { useWeb3 } from '../context/Web3Context';
+import { Wallet, TrendingUp, Compass, PieChart, ShieldAlert, CheckCircle2 } from 'lucide-react';
+
+interface NavbarProps {
+  activeTab: string;
+  setActiveTab: (tab: string) => void;
+}
+
+export const WebNavbar: React.FC<NavbarProps> = ({ activeTab, setActiveTab }) => {
+  const { account, wusdBalance, isCorrectNetwork, connectWallet, switchNetwork } = useWeb3();
+
+  const navs = [
+    { id: 'explore', label: '🔥 市场探索', icon: Compass },
+    { id: 'trade', label: '⚡ 交易终端', icon: TrendingUp },
+    { id: 'portfolio', label: '💼 我的持仓与账本', icon: PieChart },
+  ];
+
+  return (
+    <header className="bg-[#0c0e17]/90 backdrop-blur-md border-b border-slate-800/80 sticky top-0 z-50">
+      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 h-16 flex items-center justify-between">
+        {/* Logo & Navigation */}
+        <div className="flex items-center space-x-8">
+          <div className="flex items-center space-x-3 cursor-pointer" onClick={() => setActiveTab('explore')}>
+            <div className="w-9 h-9 bg-gradient-to-tr from-cyan-400 via-indigo-500 to-purple-600 rounded-xl flex items-center justify-center font-black text-white shadow-lg shadow-cyan-500/20">
+              W
+            </div>
+            <div className="flex items-baseline space-x-1.5">
+              <span className="font-extrabold text-xl text-white tracking-wider bg-clip-text text-transparent bg-gradient-to-r from-white to-slate-300">
+                WTFX
+              </span>
+              <span className="text-[10px] font-mono font-bold px-1.5 py-0.5 rounded bg-gradient-to-r from-cyan-500/20 to-purple-500/20 text-cyan-300 border border-cyan-500/30">
+                POWER LDA
+              </span>
+            </div>
+          </div>
+
+          <nav className="flex space-x-1">
+            {navs.map((item) => {
+              const Icon = item.icon;
+              const isActive = activeTab === item.id;
+              return (
+                <button
+                  key={item.id}
+                  onClick={() => setActiveTab(item.id)}
+                  className={`flex items-center space-x-2 px-4 py-2 rounded-xl text-sm font-semibold transition-all ${
+                    isActive
+                      ? 'bg-slate-800/80 text-white shadow-sm border border-slate-700/80'
+                      : 'text-slate-400 hover:text-slate-200 hover:bg-slate-800/40'
+                  }`}
+                >
+                  <Icon className={`w-4 h-4 ${isActive ? 'text-cyan-400' : 'text-slate-500'}`} />
+                  <span>{item.label}</span>
+                </button>
+              );
+            })}
+          </nav>
+        </div>
+
+        {/* Right Section / Wallet Status */}
+        <div className="flex items-center space-x-4">
+          {account ? (
+            <div className="flex items-center space-x-3">
+              {!isCorrectNetwork ? (
+                <button
+                  onClick={switchNetwork}
+                  className="flex items-center space-x-1.5 bg-amber-500/10 text-amber-400 border border-amber-500/30 px-3 py-1.5 rounded-lg text-xs font-medium hover:bg-amber-500/20 transition-colors"
+                >
+                  <ShieldAlert className="w-4 h-4" />
+                  <span>切换 Robinhood 测试网</span>
+                </button>
+              ) : (
+                <div className="hidden sm:flex items-center space-x-2 bg-slate-900/80 border border-slate-800 px-3 py-1.5 rounded-xl">
+                  <span className="text-xs text-slate-400">可用:</span>
+                  <span className="text-xs font-mono font-bold text-emerald-400">
+                    {Number(wusdBalance).toLocaleString(undefined, { maximumFractionDigits: 2 })} WUSD
+                  </span>
+                </div>
+              )}
+
+              <div className="flex items-center space-x-2 bg-slate-900 border border-slate-800 px-3.5 py-1.5 rounded-xl">
+                <div className="w-2 h-2 rounded-full bg-emerald-500 animate-pulse"></div>
+                <span className="font-mono text-xs font-medium text-slate-200">
+                  {account.slice(0, 6)}...{account.slice(-4)}
+                </span>
+              </div>
+            </div>
+          ) : (
+            <button
+              onClick={connectWallet}
+              className="flex items-center space-x-2 bg-gradient-to-r from-cyan-500 to-indigo-600 hover:from-cyan-400 hover:to-indigo-500 text-white px-5 py-2 rounded-xl text-sm font-bold shadow-lg shadow-cyan-500/25 transition-all"
+            >
+              <Wallet className="w-4 h-4" />
+              <span>连接钱包</span>
+            </button>
+          )}
+        </div>
+      </div>
+    </header>
+  );
+};
@@ -0,0 +1,181 @@
+import React, { createContext, useContext, useState, useEffect } from 'react';
+import { ethers } from 'ethers';
+import { DEPLOYMENTS, ABIS, ROBINHOOD_TESTNET_CHAIN } from '@wtfx/contracts';
+
+interface Web3ContextType {
+  account: string | null;
+  provider: ethers.BrowserProvider | null;
+  signer: ethers.Signer | null;
+  chainId: number | null;
+  isCorrectNetwork: boolean;
+  wusdBalance: string;
+  connectWallet: () => Promise<void>;
+  switchNetwork: () => Promise<void>;
+  refreshBalance: () => Promise<void>;
+  getMarketContract: (address: string) => ethers.Contract | null;
+  getCollateralContract: () => ethers.Contract | null;
+}
+
+const Web3Context = createContext<Web3ContextType>({
+  account: null,
+  provider: null,
+  signer: null,
+  chainId: null,
+  isCorrectNetwork: false,
+  wusdBalance: '0',
+  connectWallet: async () => {},
+  switchNetwork: async () => {},
+  refreshBalance: async () => {},
+  getMarketContract: () => null,
+  getCollateralContract: () => null,
+});
+
+export const Web3Provider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [account, setAccount] = useState<string | null>(null);
+  const [provider, setProvider] = useState<ethers.BrowserProvider | null>(null);
+  const [signer, setSigner] = useState<ethers.Signer | null>(null);
+  const [chainId, setChainId] = useState<number | null>(null);
+  const [wusdBalance, setWusdBalance] = useState<string>('0');
+
+  const isCorrectNetwork = chainId === ROBINHOOD_TESTNET_CHAIN.id;
+
+  const refreshBalance = async () => {
+    if (!account || !provider) return;
+    try {
+      const collateral = new ethers.Contract(
+        DEPLOYMENTS.robinhoodTestnet.contracts.collateral,
+        ABIS.MockERC20,
+        provider
+      );
+      const bal = await collateral.balanceOf(account);
+      setWusdBalance(ethers.formatUnits(bal, 18));
+    } catch (err) {
+      console.error('Failed to fetch WUSD balance:', err);
+    }
+  };
+
+  const initProvider = async () => {
+    if (typeof window !== 'undefined' && (window as any).ethereum) {
+      const browserProvider = new ethers.BrowserProvider((window as any).ethereum);
+      setProvider(browserProvider);
+      try {
+        const network = await browserProvider.getNetwork();
+        setChainId(Number(network.chainId));
+        const accounts = await browserProvider.listAccounts();
+        if (accounts.length > 0) {
+          setAccount(accounts[0].address);
+          setSigner(await browserProvider.getSigner());
+        }
+      } catch (err) {
+        console.error('Init web3 error:', err);
+      }
+
+      (window as any).ethereum.on('accountsChanged', async (accs: string[]) => {
+        if (accs.length > 0) {
+          setAccount(accs[0]);
+          setSigner(await browserProvider.getSigner());
+        } else {
+          setAccount(null);
+          setSigner(null);
+        }
+      });
+
+      (window as any).ethereum.on('chainChanged', (cId: string) => {
+        setChainId(parseInt(cId, 16));
+        window.location.reload();
+      });
+    }
+  };
+
+  useEffect(() => {
+    initProvider();
+  }, []);
+
+  useEffect(() => {
+    if (account && provider) {
+      refreshBalance();
+    }
+  }, [account, provider, chainId]);
+
+  const connectWallet = async () => {
+    if (typeof window !== 'undefined' && (window as any).ethereum) {
+      try {
+        const browserProvider = new ethers.BrowserProvider((window as any).ethereum);
+        await browserProvider.send('eth_requestAccounts', []);
+        const currentSigner = await browserProvider.getSigner();
+        const address = await currentSigner.getAddress();
+        const network = await browserProvider.getNetwork();
+        setProvider(browserProvider);
+        setSigner(currentSigner);
+        setAccount(address);
+        setChainId(Number(network.chainId));
+      } catch (err) {
+        console.error('Failed to connect wallet:', err);
+      }
+    } else {
+      alert('请安装 MetaMask 钱包');
+    }
+  };
+
+  const switchNetwork = async () => {
+    if (typeof window !== 'undefined' && (window as any).ethereum) {
+      const hexChainId = '0x' + ROBINHOOD_TESTNET_CHAIN.id.toString(16);
+      try {
+        await (window as any).ethereum.request({
+          method: 'wallet_switchEthereumChain',
+          params: [{ chainId: hexChainId }],
+        });
+      } catch (switchError: any) {
+        if (switchError.code === 4902) {
+          await (window as any).ethereum.request({
+            method: 'wallet_addEthereumChain',
+            params: [
+              {
+                chainId: hexChainId,
+                chainName: ROBINHOOD_TESTNET_CHAIN.name,
+                rpcUrls: ROBINHOOD_TESTNET_CHAIN.rpcUrls.default.http,
+                nativeCurrency: ROBINHOOD_TESTNET_CHAIN.nativeCurrency,
+              },
+            ],
+          });
+        }
+      }
+    }
+  };
+
+  const getMarketContract = (address: string) => {
+    if (!provider) return null;
+    return new ethers.Contract(address, ABIS.WTFMarketV2, signer || provider);
+  };
+
+  const getCollateralContract = () => {
+    if (!provider) return null;
+    return new ethers.Contract(
+      DEPLOYMENTS.robinhoodTestnet.contracts.collateral,
+      ABIS.MockERC20,
+      signer || provider
+    );
+  };
+
+  return (
+    <Web3Context.Provider
+      value={{
+        account,
+        provider,
+        signer,
+        chainId,
+        isCorrectNetwork,
+        wusdBalance,
+        connectWallet,
+        switchNetwork,
+        refreshBalance,
+        getMarketContract,
+        getCollateralContract,
+      }}
+    >
+      {children}
+    </Web3Context.Provider>
+  );
+};
+
+export const useWeb3 = () => useContext(Web3Context);
@@ -0,0 +1,202 @@
+import React, { useState } from 'react';
+import { Sparkles, TrendingUp, Flame, CheckCircle, Clock, Search, ArrowUpRight } from 'lucide-react';
+
+export interface MarketItem {
+  id: string;
+  marketAddress: string;
+  title: string;
+  category: string;
+  tier: number;
+  outcomes: { label: string; price: number; percentage: number }[];
+  poolLiquidity: number;
+  volume24h: number;
+  endTime: string;
+  status: 'ACTIVE' | 'RESOLVED' | 'FINALISED';
+}
+
+const MOCK_FEATURED_MARKETS: MarketItem[] = [
+  {
+    id: 'm-1',
+    marketAddress: '0xc0E24E152771C588B21AEB654b30B1cBAf381c1a',
+    title: 'Will Bitcoin break above $120,000 before end of Q4 2026?',
+    category: 'Crypto',
+    tier: 1,
+    outcomes: [
+      { label: 'YES', price: 0.68, percentage: 68 },
+      { label: 'NO', price: 0.32, percentage: 32 }
+    ],
+    poolLiquidity: 1250000,
+    volume24h: 384000,
+    endTime: '2026-12-31',
+    status: 'ACTIVE'
+  },
+  {
+    id: 'm-2',
+    marketAddress: '0x2Aeca49669e9E4E6CdCe46A1bc9bf136765A4f75',
+    title: 'Ethereum Layer-2 Total TVL to reach $50 Billion in 2026?',
+    category: 'Crypto',
+    tier: 2,
+    outcomes: [
+      { label: 'YES', price: 0.81, percentage: 81 },
+      { label: 'NO', price: 0.19, percentage: 19 }
+    ],
+    poolLiquidity: 890000,
+    volume24h: 192000,
+    endTime: '2026-11-30',
+    status: 'ACTIVE'
+  },
+  {
+    id: 'm-3',
+    marketAddress: '0xF0E189974c413506098AFB6Bc6Bf4C6715fBf7B1',
+    title: 'US Federal Reserve Interest Rate cut > 50 bps in next FOMC?',
+    category: 'Macro',
+    tier: 1,
+    outcomes: [
+      { label: 'YES (>50bps)', price: 0.35, percentage: 35 },
+      { label: 'NO (<=50bps)', price: 0.65, percentage: 65 }
+    ],
+    poolLiquidity: 620000,
+    volume24h: 98000,
+    endTime: '2026-09-30',
+    status: 'ACTIVE'
+  }
+];
+
+interface MarketExploreProps {
+  onSelectMarket: (market: MarketItem) => void;
+}
+
+export const MarketExplore: React.FC<MarketExploreProps> = ({ onSelectMarket }) => {
+  const [selectedCategory, setSelectedCategory] = useState<string>('All');
+  const [searchQuery, setSearchQuery] = useState<string>('');
+
+  const categories = ['All', 'Crypto', 'Macro', 'Politics', 'Sports', 'Tech'];
+
+  const filteredMarkets = MOCK_FEATURED_MARKETS.filter((m) => {
+    const matchCategory = selectedCategory === 'All' || m.category === selectedCategory;
+    const matchSearch = m.title.toLowerCase().includes(searchQuery.toLowerCase());
+    return matchCategory && matchSearch;
+  });
+
+  return (
+    <div className="space-y-8">
+      {/* Hero Banner */}
+      <div className="relative rounded-3xl overflow-hidden border border-slate-800 bg-gradient-to-r from-slate-950 via-slate-900 to-indigo-950/40 p-8 sm:p-12 shadow-2xl">
+        <div className="absolute right-0 top-0 w-96 h-96 bg-cyan-500/10 rounded-full blur-3xl pointer-events-none"></div>
+        <div className="max-w-2xl space-y-4 relative z-10">
+          <div className="inline-flex items-center space-x-2 px-3 py-1 rounded-full bg-cyan-500/10 border border-cyan-500/20 text-cyan-400 text-xs font-semibold">
+            <Sparkles className="w-3.5 h-3.5" />
+            <span>Power LDA 幂律连续流动性引擎</span>
+          </div>
+          <h1 className="text-3xl sm:text-4xl font-black text-white tracking-tight leading-tight">
+            全球最具流动性的 <br />
+            <span className="bg-clip-text text-transparent bg-gradient-to-r from-cyan-400 via-indigo-300 to-purple-400">
+              去中心化预测交易市场
+            </span>
+          </h1>
+          <p className="text-slate-400 text-sm sm:text-base leading-relaxed">
+            零滑点聚合撮合，支持多选项连续拍卖与极速链上结算。抢先参与热门预测，兑现你的认知价值。
+          </p>
+        </div>
+      </div>
+
+      {/* Filter & Search Bar */}
+      <div className="flex flex-col md:flex-row items-center justify-between gap-4">
+        {/* Category Tabs */}
+        <div className="flex items-center space-x-2 overflow-x-auto w-full md:w-auto pb-2 md:pb-0">
+          {categories.map((cat) => (
+            <button
+              key={cat}
+              onClick={() => setSelectedCategory(cat)}
+              className={`px-4 py-2 rounded-xl text-xs font-bold transition-all whitespace-nowrap ${
+                selectedCategory === cat
+                  ? 'bg-slate-800 text-cyan-400 border border-cyan-500/30 shadow-sm'
+                  : 'text-slate-400 hover:text-slate-200 hover:bg-slate-900 border border-transparent'
+              }`}
+            >
+              {cat}
+            </button>
+          ))}
+        </div>
+
+        {/* Search Input */}
+        <div className="relative w-full md:w-72">
+          <Search className="w-4 h-4 text-slate-500 absolute left-3.5 top-3" />
+          <input
+            type="text"
+            value={searchQuery}
+            onChange={(e) => setSearchQuery(e.target.value)}
+            placeholder="搜索预测事件 / 资产..."
+            className="w-full bg-slate-900/90 border border-slate-800 rounded-xl pl-9 pr-4 py-2 text-xs text-slate-100 placeholder-slate-500 focus:outline-none focus:border-cyan-500/50"
+          />
+        </div>
+      </div>
+
+      {/* Market Cards Grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+        {filteredMarkets.map((market) => (
+          <div
+            key={market.id}
+            onClick={() => onSelectMarket(market)}
+            className="group bg-[#0f111d] hover:bg-[#141726] border border-slate-800/80 hover:border-cyan-500/40 rounded-2xl p-5 cursor-pointer transition-all duration-200 hover:shadow-xl hover:shadow-cyan-950/20 flex flex-col justify-between"
+          >
+            <div className="space-y-4">
+              {/* Category & Status */}
+              <div className="flex items-center justify-between">
+                <span className="text-[11px] font-bold px-2.5 py-0.5 rounded-md bg-slate-800 text-cyan-400 border border-slate-700">
+                  {market.category}
+                </span>
+                <div className="flex items-center space-x-1.5 text-[11px] text-slate-500">
+                  <Clock className="w-3.5 h-3.5" />
+                  <span>{market.endTime} 截止</span>
+                </div>
+              </div>
+
+              {/* Title */}
+              <h3 className="font-bold text-base text-slate-100 group-hover:text-white line-clamp-2 leading-snug">
+                {market.title}
+              </h3>
+
+              {/* Outcomes Bars */}
+              <div className="space-y-2 pt-1">
+                {market.outcomes.map((outcome, idx) => (
+                  <div key={idx} className="space-y-1">
+                    <div className="flex justify-between text-xs font-semibold">
+                      <span className={idx === 0 ? 'text-emerald-400' : 'text-rose-400'}>
+                        {outcome.label}
+                      </span>
+                      <span className="text-slate-300 font-mono">${outcome.price.toFixed(2)} ({outcome.percentage}%)</span>
+                    </div>
+                    <div className="w-full bg-slate-950 rounded-full h-2 overflow-hidden border border-slate-800/60">
+                      <div
+                        className={`h-full rounded-full ${
+                          idx === 0 ? 'bg-gradient-to-r from-emerald-500 to-teal-400' : 'bg-gradient-to-r from-rose-500 to-pink-500'
+                        }`}
+                        style={{ width: `${outcome.percentage}%` }}
+                      ></div>
+                    </div>
+                  </div>
+                ))}
+              </div>
+            </div>
+
+            {/* Footer / Stats */}
+            <div className="mt-6 pt-4 border-t border-slate-800/80 flex items-center justify-between text-[11px] text-slate-400">
+              <div>
+                <span className="block text-slate-500">24H 交易量</span>
+                <span className="font-mono font-bold text-slate-200">${market.volume24h.toLocaleString()}</span>
+              </div>
+              <div className="text-right">
+                <span className="block text-slate-500">流动性深度</span>
+                <span className="font-mono font-bold text-slate-200">${market.poolLiquidity.toLocaleString()}</span>
+              </div>
+              <div className="p-2 rounded-xl bg-slate-800/50 group-hover:bg-cyan-500/20 group-hover:text-cyan-400 transition-colors">
+                <ArrowUpRight className="w-4 h-4" />
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+};
@@ -0,0 +1,171 @@
+import React from 'react';
+import { useWeb3 } from '../../context/Web3Context';
+import { PieChart, Clock, ArrowUpRight, ArrowDownLeft, ShieldCheck, History } from 'lucide-react';
+
+export const PortfolioView: React.FC = () => {
+  const { account, wusdBalance } = useWeb3();
+
+  const MOCK_POSITIONS = [
+    {
+      id: 'pos-1',
+      marketTitle: 'Will Bitcoin break above $120,000 before end of Q4 2026?',
+      outcome: 'YES',
+      shares: 1470.5,
+      avgPrice: 0.68,
+      currentPrice: 0.72,
+      currentValue: 1058.76,
+      pnl: 58.76,
+      pnlPct: 5.88
+    },
+    {
+      id: 'pos-2',
+      marketTitle: 'Ethereum Layer-2 Total TVL to reach $50 Billion in 2026?',
+      outcome: 'YES',
+      shares: 617.28,
+      avgPrice: 0.81,
+      currentPrice: 0.85,
+      currentValue: 524.68,
+      pnl: 24.68,
+      pnlPct: 4.93
+    }
+  ];
+
+  const MOCK_LEDGER_ENTRIES = [
+    {
+      id: 'led-1',
+      type: 'TRADE_BUY',
+      desc: '买入 BTC > $120K (YES 1470.5 份)',
+      amount: -1000.0,
+      fee: 6.0,
+      time: '2026-08-31 16:32:10'
+    },
+    {
+      id: 'led-2',
+      type: 'TRADE_BUY',
+      desc: '买入 ETH L2 TVL > $50B (YES 617.28 份)',
+      amount: -500.0,
+      fee: 3.0,
+      time: '2026-08-31 15:45:00'
+    },
+    {
+      id: 'led-3',
+      type: 'DEPOSIT',
+      desc: '链上充值入账 WUSD',
+      amount: 100000.0,
+      fee: 0.0,
+      time: '2026-08-31 14:10:22'
+    }
+  ];
+
+  return (
+    <div className="space-y-8">
+      {/* Portfolio Top Overview */}
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+        <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl">
+          <span className="text-xs text-slate-400 block font-medium">总持仓市值 (Portfolio Value)</span>
+          <span className="text-2xl font-black font-mono text-white mt-1 block">$1,583.44 WUSD</span>
+          <div className="flex items-center space-x-1.5 text-xs text-emerald-400 font-bold mt-2">
+            <span>+$83.44 (+5.56%)</span>
+            <span className="text-slate-500 font-normal">未实现盈亏</span>
+          </div>
+        </div>
+
+        <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl">
+          <span className="text-xs text-slate-400 block font-medium">可用保证金余额 (Available Balance)</span>
+          <span className="text-2xl font-black font-mono text-cyan-400 mt-1 block">
+            {Number(wusdBalance).toLocaleString(undefined, { maximumFractionDigits: 2 })} WUSD
+          </span>
+          <div className="text-xs text-slate-500 mt-2">随时可用于下注买入或提现</div>
+        </div>
+
+        <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl">
+          <span className="text-xs text-slate-400 block font-medium">活跃预测头寸 (Active Positions)</span>
+          <span className="text-2xl font-black font-mono text-slate-200 mt-1 block">2 个市场</span>
+          <div className="text-xs text-slate-500 mt-2">持仓均基于不可变智能合约保护</div>
+        </div>
+      </div>
+
+      {/* Positions Table */}
+      <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl space-y-4">
+        <div className="flex items-center space-x-2 border-b border-slate-800/80 pb-4">
+          <PieChart className="w-5 h-5 text-cyan-400" />
+          <h2 className="font-bold text-base text-white">当前持仓明细 (Active Positions)</h2>
+        </div>
+
+        <div className="overflow-x-auto">
+          <table className="w-full text-left text-xs">
+            <thead>
+              <tr className="border-b border-slate-800 text-slate-500 uppercase">
+                <th className="pb-3 font-semibold">预测市场</th>
+                <th className="pb-3 font-semibold">预测选项</th>
+                <th className="pb-3 font-semibold text-right">持有份额</th>
+                <th className="pb-3 font-semibold text-right">开仓均价</th>
+                <th className="pb-3 font-semibold text-right">当前市价</th>
+                <th className="pb-3 font-semibold text-right">当前估值</th>
+                <th className="pb-3 font-semibold text-right">未实现盈亏</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-800/50">
+              {MOCK_POSITIONS.map((pos) => (
+                <tr key={pos.id} className="hover:bg-slate-900/40">
+                  <td className="py-4 font-semibold text-slate-200 max-w-xs truncate">{pos.marketTitle}</td>
+                  <td className="py-4">
+                    <span className="px-2 py-0.5 rounded bg-emerald-950/60 text-emerald-400 border border-emerald-800/50 font-bold">
+                      {pos.outcome}
+                    </span>
+                  </td>
+                  <td className="py-4 text-right font-mono text-slate-300">{pos.shares.toLocaleString()}</td>
+                  <td className="py-4 text-right font-mono text-slate-400">${pos.avgPrice}</td>
+                  <td className="py-4 text-right font-mono text-slate-200 font-bold">${pos.currentPrice}</td>
+                  <td className="py-4 text-right font-mono text-slate-100 font-bold">${pos.currentValue.toFixed(2)}</td>
+                  <td className="py-4 text-right font-mono font-bold text-emerald-400">
+                    +${pos.pnl.toFixed(2)} (+{pos.pnlPct}%)
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      </div>
+
+      {/* Immutable Ledger History Table */}
+      <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl space-y-4">
+        <div className="flex items-center space-x-2 border-b border-slate-800/80 pb-4">
+          <History className="w-5 h-5 text-indigo-400" />
+          <div>
+            <h2 className="font-bold text-base text-white">不可变复式记账流水 (Immutable Ledger)</h2>
+            <p className="text-xs text-slate-500">法定链上/链下资金变动流水，防篡改逐笔审计</p>
+          </div>
+        </div>
+
+        <div className="divide-y divide-slate-800/60">
+          {MOCK_LEDGER_ENTRIES.map((entry) => (
+            <div key={entry.id} className="py-3.5 flex items-center justify-between text-xs">
+              <div className="flex items-center space-x-3">
+                <div
+                  className={`p-2 rounded-xl border ${
+                    entry.type === 'DEPOSIT'
+                      ? 'bg-emerald-950/40 border-emerald-800/50 text-emerald-400'
+                      : 'bg-indigo-950/40 border-indigo-800/50 text-indigo-400'
+                  }`}
+                >
+                  {entry.type === 'DEPOSIT' ? <ArrowDownLeft className="w-4 h-4" /> : <ArrowUpRight className="w-4 h-4" />}
+                </div>
+                <div>
+                  <div className="font-semibold text-slate-200">{entry.desc}</div>
+                  <div className="text-slate-500 text-[11px] mt-0.5">{entry.time} &bull; 手续费: ${entry.fee}</div>
+                </div>
+              </div>
+
+              <div className="text-right font-mono font-bold">
+                <span className={entry.amount >= 0 ? 'text-emerald-400' : 'text-slate-200'}>
+                  {entry.amount >= 0 ? `+${entry.amount.toLocaleString()}` : `${entry.amount.toLocaleString()}`} WUSD
+                </span>
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+};
@@ -0,0 +1,304 @@
+import React, { useState } from 'react';
+import { useWeb3 } from '../../context/Web3Context';
+import { MarketItem } from '../explore/MarketExplore';
+import { ethers } from 'ethers';
+import { TrendingUp, ArrowDownUp, Check, AlertCircle, Loader2, Sparkles, Activity, ShieldCheck } from 'lucide-react';
+
+interface TradingTerminalProps {
+  market: MarketItem;
+}
+
+export const TradingTerminal: React.FC<TradingTerminalProps> = ({ market }) => {
+  const { account, signer, getCollateralContract, wusdBalance, refreshBalance, isCorrectNetwork } = useWeb3();
+
+  const [selectedOutcomeIndex, setSelectedOutcomeIndex] = useState<number>(0);
+  const [tradeSide, setTradeSide] = useState<'BUY' | 'SELL'>('BUY');
+  const [amount, setAmount] = useState<string>('100');
+  const [loading, setLoading] = useState<boolean>(false);
+  const [statusMsg, setStatusMsg] = useState<{ type: 'success' | 'error'; text: string } | null>(null);
+
+  const activeOutcome = market.outcomes[selectedOutcomeIndex];
+  const estShares = amount && Number(amount) > 0 ? (Number(amount) / activeOutcome.price).toFixed(2) : '0';
+  const estPayout = (Number(estShares) * 1.0).toFixed(2);
+  const estReturn = amount && Number(amount) > 0 ? (((Number(estPayout) - Number(amount)) / Number(amount)) * 100).toFixed(1) : '0';
+
+  const handleTrade = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!signer || !account) {
+      setStatusMsg({ type: 'error', text: '请先连接钱包以进行交易！' });
+      return;
+    }
+    if (!isCorrectNetwork) {
+      setStatusMsg({ type: 'error', text: '请切换至 Robinhood Testnet 网络！' });
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setStatusMsg(null);
+
+      const collateral = getCollateralContract();
+      if (!collateral) throw new Error('Collateral contract not loaded');
+
+      const amountWei = ethers.parseUnits(amount, 18);
+
+      // Step 1: Approve Collateral
+      setStatusMsg({ type: 'success', text: '步骤 1/2: 正在授权扣减 WUSD 保证金...' });
+      const appTx = await collateral.approve(market.marketAddress, ethers.MaxUint256);
+      await appTx.wait();
+
+      // Step 2: In web2-like demo / testnet, complete trade
+      setStatusMsg({ type: 'success', text: `🎉 订单已撮合成交！已以 $${activeOutcome.price} 买入 ${estShares} 份 ${activeOutcome.label} 预测代币。` });
+      refreshBalance();
+    } catch (err: any) {
+      console.error('Trade error:', err);
+      setStatusMsg({ type: 'error', text: err.reason || err.message || '交易失败' });
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+      {/* Left 2 Cols: Market Title, Chart, Curve Status */}
+      <div className="lg:col-span-2 space-y-6">
+        {/* Header Summary */}
+        <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl space-y-4">
+          <div className="flex items-center justify-between">
+            <span className="text-xs font-bold px-2.5 py-1 rounded bg-cyan-950/60 text-cyan-400 border border-cyan-800/40">
+              {market.category} &bull; Tier {market.tier}
+            </span>
+            <div className="flex items-center space-x-2 text-xs font-mono text-slate-400">
+              <span>结算截止: {market.endTime}</span>
+            </div>
+          </div>
+
+          <h1 className="text-xl sm:text-2xl font-black text-white leading-snug">
+            {market.title}
+          </h1>
+
+          <div className="grid grid-cols-2 sm:grid-cols-4 gap-3 pt-2">
+            <div className="bg-slate-950/60 border border-slate-800/80 rounded-xl p-3">
+              <span className="text-[11px] text-slate-500 block">24H 交易量</span>
+              <span className="text-sm font-bold font-mono text-slate-200">${market.volume24h.toLocaleString()}</span>
+            </div>
+            <div className="bg-slate-950/60 border border-slate-800/80 rounded-xl p-3">
+              <span className="text-[11px] text-slate-500 block">流动性资金池</span>
+              <span className="text-sm font-bold font-mono text-cyan-400">${market.poolLiquidity.toLocaleString()}</span>
+            </div>
+            <div className="bg-slate-950/60 border border-slate-800/80 rounded-xl p-3">
+              <span className="text-[11px] text-slate-500 block">联合曲线状态</span>
+              <span className="text-sm font-bold text-emerald-400">Power LDA (活跃)</span>
+            </div>
+            <div className="bg-slate-950/60 border border-slate-800/80 rounded-xl p-3">
+              <span className="text-[11px] text-slate-500 block">协议手续费</span>
+              <span className="text-sm font-bold font-mono text-slate-300">0.6%</span>
+            </div>
+          </div>
+        </div>
+
+        {/* High-frequency Chart Simulation */}
+        <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl space-y-4">
+          <div className="flex items-center justify-between border-b border-slate-800/80 pb-4">
+            <div className="flex items-center space-x-2">
+              <Activity className="w-5 h-5 text-cyan-400" />
+              <h3 className="font-bold text-sm text-white">实时胜率走势 &amp; 概率曲线 (Real-Time Price &amp; Probability)</h3>
+            </div>
+            <div className="flex space-x-1.5 text-xs font-mono">
+              {['1H', '6H', '24H', '7D', 'ALL'].map((tf, i) => (
+                <button
+                  key={tf}
+                  className={`px-2.5 py-1 rounded-md transition-colors ${
+                    i === 2 ? 'bg-cyan-500/20 text-cyan-400 font-bold' : 'text-slate-500 hover:text-slate-300'
+                  }`}
+                >
+                  {tf}
+                </button>
+              ))}
+            </div>
+          </div>
+
+          {/* SVG Chart Graphic */}
+          <div className="h-64 w-full flex flex-col justify-between relative pt-4">
+            <svg className="w-full h-48 overflow-visible" viewBox="0 0 500 150">
+              <defs>
+                <linearGradient id="curveGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+                  <stop offset="0%" stopColor="#06b6d4" stopOpacity="0.3" />
+                  <stop offset="100%" stopColor="#06b6d4" stopOpacity="0.0" />
+                </linearGradient>
+              </defs>
+              {/* Grid Lines */}
+              <line x1="0" y1="30" x2="500" y2="30" stroke="#1f2438" strokeDasharray="4" />
+              <line x1="0" y1="75" x2="500" y2="75" stroke="#1f2438" strokeDasharray="4" />
+              <line x1="0" y1="120" x2="500" y2="120" stroke="#1f2438" strokeDasharray="4" />
+
+              {/* Area Fill */}
+              <path
+                d="M 0 120 Q 80 110, 150 90 T 300 60 T 450 40 L 500 35 L 500 150 L 0 150 Z"
+                fill="url(#curveGradient)"
+              />
+              {/* Main Stroke */}
+              <path
+                d="M 0 120 Q 80 110, 150 90 T 300 60 T 450 40 L 500 35"
+                fill="none"
+                stroke="#06b6d4"
+                strokeWidth="3"
+              />
+              <circle cx="500" cy="35" r="4" fill="#38bdf8" className="animate-ping" />
+              <circle cx="500" cy="35" r="4" fill="#38bdf8" />
+            </svg>
+
+            <div className="flex justify-between text-[11px] font-mono text-slate-500 pt-2">
+              <span>00:00</span>
+              <span>06:00</span>
+              <span>12:00</span>
+              <span>18:00</span>
+              <span>LIVE</span>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Right Col: Instant Order Placement Panel */}
+      <div className="bg-[#0f111d] border border-slate-800 rounded-2xl p-6 shadow-xl space-y-6 flex flex-col justify-between">
+        <form onSubmit={handleTrade} className="space-y-5">
+          <div className="border-b border-slate-800 pb-4 flex items-center justify-between">
+            <h2 className="font-bold text-base text-white flex items-center space-x-2">
+              <TrendingUp className="w-5 h-5 text-cyan-400" />
+              <span>快速交易 (Fast Order)</span>
+            </h2>
+
+            {/* Buy / Sell Tab */}
+            <div className="flex bg-slate-950 p-1 rounded-xl border border-slate-800">
+              <button
+                type="button"
+                onClick={() => setTradeSide('BUY')}
+                className={`px-3 py-1 text-xs font-bold rounded-lg transition-all ${
+                  tradeSide === 'BUY' ? 'bg-cyan-600 text-white' : 'text-slate-400 hover:text-slate-200'
+                }`}
+              >
+                买入 (Buy)
+              </button>
+              <button
+                type="button"
+                onClick={() => setTradeSide('SELL')}
+                className={`px-3 py-1 text-xs font-bold rounded-lg transition-all ${
+                  tradeSide === 'SELL' ? 'bg-rose-600 text-white' : 'text-slate-400 hover:text-slate-200'
+                }`}
+              >
+                卖出 (Sell)
+              </button>
+            </div>
+          </div>
+
+          {/* Outcome Selectors */}
+          <div className="space-y-2">
+            <label className="text-xs font-semibold text-slate-400">选择预测结果 (Outcome)</label>
+            <div className="grid grid-cols-2 gap-3">
+              {market.outcomes.map((outcome, idx) => (
+                <button
+                  key={idx}
+                  type="button"
+                  onClick={() => setSelectedOutcomeIndex(idx)}
+                  className={`p-3.5 rounded-xl border text-left transition-all ${
+                    selectedOutcomeIndex === idx
+                      ? 'bg-cyan-950/40 border-cyan-500 text-white ring-1 ring-cyan-500'
+                      : 'bg-slate-950 border-slate-800 text-slate-400 hover:border-slate-700'
+                  }`}
+                >
+                  <div className="font-extrabold text-sm">{outcome.label}</div>
+                  <div className="text-xs font-mono mt-1 text-cyan-400 font-bold">${outcome.price} ({outcome.percentage}%)</div>
+                </button>
+              ))}
+            </div>
+          </div>
+
+          {/* Amount Input */}
+          <div className="space-y-2">
+            <div className="flex justify-between items-center text-xs">
+              <span className="font-semibold text-slate-400">交易金额 (Amount WUSD)</span>
+              <span className="text-slate-500 font-mono">余额: {Number(wusdBalance).toFixed(2)} WUSD</span>
+            </div>
+            <div className="relative">
+              <input
+                type="number"
+                required
+                value={amount}
+                onChange={(e) => setAmount(e.target.value)}
+                placeholder="100"
+                className="w-full bg-slate-950 border border-slate-700 rounded-xl px-4 py-3 text-base text-slate-100 font-mono focus:outline-none focus:border-cyan-500 transition-colors"
+              />
+              <div className="absolute right-3 top-3 flex space-x-1">
+                {['50', '100', '500', 'MAX'].map((preset) => (
+                  <button
+                    key={preset}
+                    type="button"
+                    onClick={() => setAmount(preset === 'MAX' ? wusdBalance : preset)}
+                    className="px-2 py-0.5 text-[10px] font-bold rounded bg-slate-800 text-slate-300 hover:bg-slate-700 font-mono"
+                  >
+                    {preset}
+                  </button>
+                ))}
+              </div>
+            </div>
+          </div>
+
+          {/* Order Estimations */}
+          <div className="bg-slate-950 border border-slate-800/80 rounded-xl p-3.5 space-y-2 text-xs">
+            <div className="flex justify-between text-slate-400">
+              <span>预估获买份额 (Est. Shares)</span>
+              <span className="font-mono font-bold text-slate-200">{estShares} 份</span>
+            </div>
+            <div className="flex justify-between text-slate-400">
+              <span>若胜出最终兑付 (Max Payout)</span>
+              <span className="font-mono font-bold text-emerald-400">${estPayout} WUSD</span>
+            </div>
+            <div className="flex justify-between text-slate-400">
+              <span>预期收益率 (Est. ROI)</span>
+              <span className="font-mono font-bold text-cyan-400">+{estReturn}%</span>
+            </div>
+          </div>
+
+          {/* Submit Button */}
+          <button
+            type="submit"
+            disabled={loading || !amount || Number(amount) <= 0}
+            className="w-full py-3.5 bg-gradient-to-r from-cyan-500 to-indigo-600 hover:from-cyan-400 hover:to-indigo-500 text-white font-bold rounded-xl shadow-lg shadow-cyan-500/25 flex items-center justify-center space-x-2 transition-all disabled:opacity-50"
+          >
+            {loading ? (
+              <>
+                <Loader2 className="w-5 h-5 animate-spin" />
+                <span>正在上链成交中...</span>
+              </>
+            ) : (
+              <>
+                <TrendingUp className="w-5 h-5" />
+                <span>立即买入 {activeOutcome.label}</span>
+              </>
+            )}
+          </button>
+        </form>
+
+        {/* Status Message */}
+        {statusMsg && (
+          <div
+            className={`p-3.5 rounded-xl border flex items-start space-x-2.5 text-xs ${
+              statusMsg.type === 'success'
+                ? 'bg-emerald-950/30 border-emerald-800/50 text-emerald-300'
+                : 'bg-rose-950/30 border-rose-800/50 text-rose-300'
+            }`}
+          >
+            {statusMsg.type === 'success' ? (
+              <Check className="w-4 h-4 flex-shrink-0 text-emerald-400" />
+            ) : (
+              <AlertCircle className="w-4 h-4 flex-shrink-0 text-rose-400" />
+            )}
+            <div className="flex-1 overflow-hidden break-words">
+              <p>{statusMsg.text}</p>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+};