{"id":94243,"date":"2026-08-14T01:32:53","date_gmt":"2026-08-13T17:32:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/94243.html"},"modified":"2026-08-14T01:32:53","modified_gmt":"2026-08-13T17:32:53","slug":"lpdfi-%e5%8d%8f%e8%ae%ae-693k-%e9%97%aa%e7%94%b5%e8%b4%b7%e4%bb%b7%e6%a0%bc%e6%93%8d%e7%ba%b5%e6%94%bb%e5%87%bb-%e6%b7%b1%e5%ba%a6%e6%ba%90%e7%a0%81%e5%89%96%e6%9e%90%e4%b8%8e%e4%bf%ae%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/94243.html","title":{"rendered":"LpdFi \u534f\u8bae $693K \u95ea\u7535\u8d37\u4ef7\u683c\u64cd\u7eb5\u653b\u51fb \u6df1\u5ea6\u6e90\u7801\u5256\u6790\u4e0e\u4fee\u590d\u65b9\u6848(\u5305\u62ec\u4ee3\u7801\u5206\u6790)"},"content":{"rendered":"<h2>LpdFi \u534f\u8bae $693K \u95ea\u7535\u8d37\u4ef7\u683c\u64cd\u7eb5\u653b\u51fb \u6df1\u5ea6\u6e90\u7801\u5256\u6790\u4e0e\u4fee\u590d\u65b9\u6848<\/h2>\n<p>2026\u5e748\u67082\u65e5&#xff0c;BNB Chain \u4e0a\u7684 LpdFi \u534f\u8bae\u906d\u9047\u653b\u51fb&#xff0c;\u635f\u5931\u7ea6 693,529 USDC\u3002\u653b\u51fb\u8005\u5728\u507f\u8fd8\u6240\u6709\u4e34\u65f6\u6d41\u52a8\u6027\u540e&#xff0c;\u51c0\u83b7\u5229\u7ea6 573,000 \u7f8e\u5143\u3002\u8fd9\u6b21\u4e8b\u4ef6\u7684\u89c4\u6a21\u56fa\u7136\u5f15\u4eba\u6ce8\u76ee&#xff0c;\u4f46\u5176\u80cc\u540e\u7684\u6280\u672f\u903b\u8f91\u66f4\u52a0\u53d1\u4eba\u6df1\u7701, \u5b83\u5e76\u975e\u590d\u6742\u7684\u91cd\u5165\u653b\u51fb\u6216\u672a\u77e5\u7684 0-day \u6f0f\u6d1e&#xff0c;\u800c\u662f\u4e00\u6b21\u5bf9\u9884\u8a00\u673a\u4f9d\u8d56\u3001\u5229\u606f\u7ed3\u7b97\u673a\u5236\u548c\u534f\u8bae\u5168\u5c40\u4e00\u81f4\u6027\u7f3a\u5931\u7684\u7ecf\u5178\u6559\u79d1\u4e66\u5f0f\u5229\u7528\u3002<\/p>\n<p>\u672c\u6587\u5c06\u5e26\u4f60\u9010\u6b65\u62c6\u89e3\u653b\u51fb\u7684\u6bcf\u4e00\u4e2a\u73af\u8282&#xff0c;\u6df1\u5165\u5206\u6790\u5b58\u5728\u6f0f\u6d1e\u7684\u4ee3\u7801\u7247\u6bb5&#xff0c;\u5e76\u63d0\u4f9b\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u4fee\u590d\u65b9\u6848&#xff0c;\u5e0c\u671b\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u4eec\u907f\u5f00\u540c\u6837\u7684\u5751\u3002<\/p>\n<hr \/>\n<h3>\u653b\u51fb\u6d41\u7a0b&#xff1a;\u5206\u6b65\u62c6\u89e3&#xff08;Step-by-Step&#xff09;<\/h3>\n<h4>\u6b65\u9aa4\u4e00&#xff1a;\u94fa\u57ab\u4ea4\u6613 \u64cd\u7eb5\u73b0\u8d27\u4ef7\u683c<\/h4>\n<p>\u653b\u51fb\u8005\u9996\u5148\u90e8\u7f72\u4e86\u4e00\u4e2a\u6267\u884c\u5408\u7ea6&#xff0c;\u5e76\u6ce8\u5165 116,495 USDC \u4f5c\u4e3a\u79cd\u5b50\u8d44\u91d1\u3002\u968f\u540e&#xff0c;\u4ed6\u4eec\u901a\u8fc7\u95ea\u7535\u8d37\u4ece Lista DAO \u7684 Moolah\u3001Venus\u3001Aave\u3001Uniswap V4 \u7b49\u591a\u4e2a\u6d41\u52a8\u6027\u6c60\u4e2d\u4e34\u65f6\u501f\u5165\u4e86\u7ea6 4400 \u4e07 USDC\u3002<\/p>\n<p>\u5728\u540c\u4e00\u7b14\u4ea4\u6613\u4e2d&#xff0c;\u653b\u51fb\u8005\u5c06\u8fd9 4400 \u4e07 USDC \u5168\u90e8\u6295\u5165 PancakeSwap V2 \u7684 LPD\/USDC \u4ea4\u6613\u5bf9&#xff0c;\u6362\u56de\u4e86 4,788,064.49 \u679a LPD \u4ee3\u5e01\u3002\u8fd9\u4e00\u64cd\u4f5c\u76f4\u63a5\u5bfc\u81f4 LPD \u7684\u73b0\u8d27\u4ef7\u683c\u4ece 0.126899 USDC\/LPD \u66b4\u529b\u62c9\u5347\u81f3 655.197923 USDC\/LPD \u66b4\u6da8\u4e86 5,163 \u500d\u3002<\/p>\n<p>\u5173\u952e\u70b9&#xff1a;\u653b\u51fb\u8005\u5e76\u4e0d\u9700\u8981\u957f\u671f\u7ef4\u6301\u8fd9\u4e2a\u9ad8\u4ef7&#xff0c;\u53ea\u9700\u8981\u5728\u8fd9\u4e00\u7b14\u4ea4\u6613\u7684\u6267\u884c\u77ac\u95f4\u626d\u66f2\u534f\u8bae\u7684\u4ef7\u503c\u8ba1\u7b97\u51fd\u6570\u5373\u53ef\u3002<\/p>\n<h4>\u6b65\u9aa4\u4e8c&#xff1a;\u521b\u5efa\u865a\u9ad8\u4ed3\u4f4d&#xff08;Inflated Position&#xff09;<\/h4>\n<p>\u4ef7\u683c\u88ab\u62c9\u9ad8\u540e&#xff0c;\u653b\u51fb\u8005\u8c03\u7528 LpdFi.buy(uAmount)&#xff0c;\u4f20\u5165\u4e86 140,324,732e18 \u4f5c\u4e3a\u540d\u4e49 USDC \u672c\u91d1\u3002<\/p>\n<p>\u8fd9\u91cc\u5b58\u5728\u81f4\u547d\u7684\u8bbe\u8ba1\u7f3a\u9677&#xff1a;Lpd.price() \u76f4\u63a5\u4ece PancakeSwap \u4ea4\u6613\u5bf9\u7684\u5f53\u524d\u50a8\u5907\u91cf\u4e2d\u53d6\u503c&#xff0c;\u6ca1\u6709\u91c7\u7528\u65f6\u95f4\u52a0\u6743\u5e73\u5747\u4ef7\u683c&#xff08;TWAP&#xff09;&#xff0c;\u4e5f\u6ca1\u6709\u4efb\u4f55\u5916\u90e8\u5582\u4ef7\u6216\u504f\u79bb\u5ea6\u68c0\u67e5\u3002<\/p>\n<ul>\n<li>\u6309\u64cd\u7eb5\u540e\u7684\u5929\u4ef7\u8ba1\u7b97&#xff0c;\u534f\u8bae\u8ba4\u4e3a\u4ec5\u9700 214,171.52 \u679a LPD \u5c31\u80fd\u62b5\u62bc\u51fa 1.4 \u4ebf\u7f8e\u5143 \u7684\u4ed3\u4f4d\u3002<\/li>\n<li>\u5b9e\u9645\u4e0a&#xff0c;\u653b\u51fb\u8005\u5b58\u5165\u7684 LPD \u4ef7\u503c\u8fdc\u4f4e\u4e8e\u540d\u4e49\u4e0a\u7684 1.4 \u4ebf\u7f8e\u5143\u3002<\/li>\n<\/ul>\n<p>\u534f\u8bae\u5185\u90e8\u8bb0\u5f55\u4e86\u4e00\u4e2a\u865a\u5047\u7684 uAmount&#xff08;1.4 \u4ebf USDC&#xff09;\u548c interestTop&#xff08;\u7ea6 7016 \u4e07 USDC&#xff09;\u3002\u8fd9\u4e9b\u6570\u5b57\u4ec5\u4ec5\u5b58\u5728\u4e8e\u534f\u8bae\u7684\u8d26\u672c\u4e2d&#xff0c;\u5e76\u6ca1\u6709\u4efb\u4f55\u771f\u5b9e\u7684 USDC \u8d44\u4ea7\u4f5c\u4e3a\u652f\u6491\u3002\u505a\u5b8c\u8fd9\u4e00\u5207\u540e&#xff0c;\u653b\u51fb\u8005\u7acb\u523b\u5c06\u5927\u90e8\u5206 LPD \u6362\u56de USDC&#xff0c;\u5e76\u507f\u8fd8\u4e86\u6240\u6709\u7684\u95ea\u7535\u8d37&#xff0c;\u8ba9 LPD\/USDC \u6c60\u5b50\u6062\u590d\u201c\u6b63\u5e38\u201d\u72b6\u6001\u3002<\/p>\n<h4>\u6b65\u9aa4\u4e09&#xff1a;\u5229\u7528\u65f6\u95f4\u8fb9\u754c \u4e00\u79d2\u949f\u5957\u53d6\u5168\u5929\u5229\u606f<\/h4>\n<p>\u94fa\u57ab\u4ea4\u6613\u7684\u65f6\u95f4\u6233\u662f 15:59:59 UTC\u3002\u4ec5\u4ec5\u4e00\u79d2\u4e4b\u540e&#xff0c;\u5373 16:00:00 UTC&#xff0c;\u653b\u51fb\u8005\u63d0\u4ea4\u4e86\u9886\u53d6\u5229\u606f\u7684\u4ea4\u6613\u3002<\/p>\n<p>LpdFi \u7684\u5229\u606f\u7d2f\u52a0\u673a\u5236\u4f9d\u8d56\u4e8e\u79bb\u6563\u7684 issue \u7d22\u5f15, \u6bcf\u4e2a\u7d22\u5f15\u4ee3\u8868\u4e00\u4e2a\u5b8c\u6574\u7684\u65e5\u5e38\u8ba1\u606f\u5468\u671f\u3002\u5f53\u65f6\u95f4\u8de8\u8fc7\u8fb9\u754c&#xff0c;issue \u7d22\u5f15\u4ece 18 \u8df3\u8f6c\u5230 19 \u65f6&#xff0c;getOrder() \u51fd\u6570\u4f1a\u8ba1\u7b97 uAmount \u4e58\u4ee5\u65e5\u5229\u7387&#xff08;0.5%&#xff09;\u518d\u4e58\u4ee5\u7ecf\u8fc7\u7684 issue \u6570\u91cf\u3002<\/p>\n<p>\u4e00\u4e2a\u53ea\u5b58\u5728\u4e86 1 \u79d2\u949f\u7684\u4ed3\u4f4d&#xff0c;\u56e0\u4e3a\u8de8\u8d8a\u4e86 issue \u8fb9\u754c&#xff0c;\u7adf\u7136\u83b7\u5f97\u4e86\u5b8c\u6574\u7684 0.5% \u65e5\u6536\u76ca\u7387\u3002\u57fa\u4e8e\u865a\u5047\u7684 1.4 \u4ebf\u7f8e\u5143\u672c\u91d1&#xff0c;\u8ba1\u7b97\u51fa\u7684\u5229\u606f\u9ad8\u8fbe 701,623.66 USDC\u3002<\/p>\n<h4>\u6b65\u9aa4\u56db&#xff1a;\u62bd\u5e72\u534f\u8bae\u6d41\u52a8\u6027&#xff08;Drain&#xff09;<\/h4>\n<p>\u4e3a\u4e86\u63d0\u53d6\u8fd9 70 \u4e07\u5229\u606f&#xff0c;\u653b\u51fb\u8005\u8c03\u7528 claimInterest()\u3002\u4f46\u5728\u63d0\u53d6\u4e4b\u524d&#xff0c;\u4ed6\u4eec\u6545\u6280\u91cd\u65bd&#xff0c;\u53c8\u95ea\u7535\u8d37\u501f\u4e86 730,607.76 USDC&#xff0c;\u5c06\u5176\u4e2d 3,440.99 USDC \u8f6c\u5165 LPD\/USDC \u4ea4\u6613\u5bf9&#xff0c;\u518d\u6b21\u77ed\u6682\u5730\u540c\u6b65\u5e76\u626d\u66f2\u4e86\u6c60\u5b50\u7684\u50a8\u5907\u91cf\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u505a&#xff1f;\u56e0\u4e3a claimInterest() \u662f\u901a\u8fc7\u8c03\u7528 removeLp() \u6765\u652f\u4ed8\u5229\u606f\u7684&#xff0c;\u800c removeLp() \u8ba1\u7b97\u9700\u8981\u71c3\u70e7\u591a\u5c11 LP \u4ee3\u5e01\u65f6&#xff0c;\u4f9d\u8d56\u7684\u662f\u4ea4\u6613\u5bf9\u5b9e\u65f6\u7684 USDC \u50a8\u5907\u91cf\u3002\u901a\u8fc7\u4e34\u95e8\u4e00\u811a\u7684\u50a8\u5907\u64cd\u7eb5&#xff0c;\u653b\u51fb\u8005\u786e\u4fdd\u4e86\u534f\u8bae\u4f1a\u71c3\u70e7\u6700\u5927\u6570\u91cf\u7684 LP \u5934\u5bf8\u3002<\/p>\n<p>\u6700\u7ec8&#xff0c;\u534f\u8bae\u71c3\u70e7\u4e86 1,678,049.36 \u679a LP \u4ee3\u5e01&#xff0c;\u91ca\u653e\u51fa 700,535.14 USDC \u548c 4,059,427.51 LPD\u3002\u5176\u4e2d 693,529.79 USDC \u76f4\u63a5\u8fdb\u5165\u4e86\u653b\u51fb\u8005\u7684\u8f85\u52a9\u5408\u7ea6&#xff0c;\u5269\u4e0b\u7684 7,005.35 USDC \u5219\u6d41\u5411\u4e86\u534f\u8bae\u914d\u7f6e\u7684\u8d39\u7528\u5730\u5740\u3002<\/p>\n<p>\u6700\u81f4\u547d\u7684\u7ec6\u8282&#xff1a;\u4e24\u6b21 removeLp() \u8c03\u7528\u5747\u4f7f\u7528\u4e86\u96f6\u6700\u5c0f\u503c\u8f93\u51fa\u53c2\u6570&#xff08;minUSDC &#061; 0, minLPD &#061; 0&#xff09;\u3002\u6ca1\u6709\u4efb\u4f55\u6ed1\u70b9\u4fdd\u62a4&#xff0c;\u6ca1\u6709\u4efb\u4f55\u5408\u7406\u6027\u68c0\u67e5&#xff0c;\u534f\u8bae\u773c\u7741\u7741\u5730\u770b\u7740\u81ea\u5df1\u7684\u5168\u90e8\u4ed3\u4f4d\u88ab\u638f\u7a7a\u3002<\/p>\n<hr \/>\n<h3>\u6e90\u7801\u5c42\u9762&#xff1a;\u5230\u5e95\u9519\u5728\u54ea\u4e86&#xff1f;&#xff08;Vulnerabilities Analysis&#xff09;<\/h3>\n<h4>\u6f0f\u6d1e\u4e00&#xff1a;\u73b0\u8d27\u4ef7\u683c\u9884\u8a00\u673a&#xff08;Spot-Price Oracle&#xff09;<\/h4>\n<p>\u6f0f\u6d1e\u4ee3\u7801\u6838\u5fc3\u5728\u4e8e Lpd.price() \u51fd\u6570&#xff1a;<\/p>\n<p>function price() public view returns (uint256) {<br \/>\n    \/\/ \u76f4\u63a5\u4ece PancakeSwap \u8bfb\u53d6\u77ac\u65f6\u50a8\u5907\u91cf<br \/>\n    \/\/ \u65e0 TWAP&#xff0c;\u65e0\u6297\u64cd\u7eb5\u80fd\u529b<br \/>\n    (uint112 reserve0, uint112 reserve1, ) &#061; IPancakePair(pair).getReserves();<br \/>\n    return reserve1 * 1e18 \/ reserve0; \/\/ LPD\/USDC \u73b0\u8d27\u4ef7\u683c<br \/>\n}<\/p>\n<p>\u8be5\u51fd\u6570\u76f4\u63a5\u8bfb\u53d6\u4ea4\u6613\u5bf9\u7684\u77ac\u65f6\u50a8\u5907\u5e76\u8ba1\u7b97\u73b0\u8d27\u4ef7\u683c\u3002\u53ea\u8981\u653b\u51fb\u8005\u62e5\u6709\u8db3\u591f\u7684\u4e34\u65f6\u6d41\u52a8\u6027&#xff08;\u672c\u4f8b\u4e3a 4400 \u4e07 USDC&#xff09;&#xff0c;\u5c31\u80fd\u5728\u5355\u4e2a\u533a\u5757\u5185\u8f7b\u677e\u626d\u66f2\u4ef7\u683c\u3002\u6ca1\u6709 TWAP&#xff0c;\u6ca1\u6709\u6d41\u52a8\u6027\u6df1\u5ea6\u9608\u503c&#xff0c;\u6ca1\u6709\u504f\u79bb\u5ea6\u68c0\u67e5\u3002\u8fd9\u662f DeFi \u9886\u57df\u6700\u5e38\u89c1\u7684\u9884\u8a00\u673a\u6f0f\u6d1e\u3002<\/p>\n<h4>\u6f0f\u6d1e\u4e8c&#xff1a;\u57fa\u4e8e\u79bb\u6563\u7d22\u5f15\u7684\u8ba1\u606f\u903b\u8f91&#xff08;Discrete Interest Accrual&#xff09;<\/h4>\n<p>\u5229\u606f\u8ba1\u7b97\u673a\u5236\u5b58\u5728\u4e25\u91cd\u7684\u65f6\u95f4\u8fb9\u754c\u6f0f\u6d1e&#xff1a;<\/p>\n<p>function getOrder(uint256 index) public view returns (Order memory) {<br \/>\n    Order storage order &#061; orders[index];<br \/>\n    uint256 elapsedIssues &#061; issue &#8211; order.lastIssue;<br \/>\n    uint256 interest &#061; order.uAmount * dailyRate * elapsedIssues \/ 1e18;<br \/>\n    \/\/ &#8230;<br \/>\n}<\/p>\n<p>\u5229\u606f\u57fa\u4e8e\u5f53\u524d issue \u7d22\u5f15\u4e0e\u8ba2\u5355\u521b\u5efa\u65f6 lastIssue \u7d22\u5f15\u7684\u5dee\u503c\u8ba1\u7b97\u3002\u6bcf\u4e2a issue \u4ee3\u8868\u4e00\u6574\u5929\u7684\u5468\u671f\u3002\u5982\u679c\u4f60\u5728 issue&#061;18 \u521b\u5efa\u8ba2\u5355&#xff0c;\u5728 issue&#061;19 \u9886\u53d6&#xff0c;\u65e0\u8bba\u4e2d\u95f4\u5b9e\u9645\u7ecf\u5386\u4e86\u4e00\u79d2\u949f\u8fd8\u662f 24 \u5c0f\u65f6&#xff0c;\u4f60\u90fd\u4f1a\u83b7\u5f97\u4e00\u6574\u5929\u7684\u5229\u606f\u3002\u8fd9\u79cd\u8bbe\u8ba1\u8ba9\u534f\u8bae\u5728\u65e5\u5207\u8fb9\u754c\u53d8\u5f97\u6781\u5176\u8106\u5f31\u3002<\/p>\n<h4>\u6f0f\u6d1e\u4e09&#xff1a;\u96f6\u6ed1\u70b9\u4fdd\u62a4&#xff08;Zero Slippage Protection&#xff09;<\/h4>\n<p>removeLp() \u7684\u8c03\u7528\u65b9\u5f0f\u6781\u5176\u5371\u9669&#xff1a;<\/p>\n<p>function claimInterest(uint256 index) external {<br \/>\n    \/\/ &#8230; \u8ba1\u7b97\u5229\u606f\u6570\u989d &#8230;<br \/>\n    removeLp(interestAmount, 0, 0); \/\/ amountOutMin &#061; 0, amountOutMinLPD &#061; 0<br \/>\n}<\/p>\n<p>function removeLp(uint256 usdcAmount, uint256 minUSDC, uint256 minLPD) internal {<br \/>\n    \/\/ \u9500\u6bc1 LP \u5e76\u63d0\u53d6&#xff0c;\u6700\u5c0f\u8f93\u51fa\u4e3a 0<br \/>\n    IPancakeRouter(router).removeLiquidity(<br \/>\n        address(LPD),<br \/>\n        address(USDC),<br \/>\n        lpAmount,<br \/>\n        minLPD,  \/\/ 0<br \/>\n        minUSDC, \/\/ 0<br \/>\n        address(this),<br \/>\n        block.timestamp<br \/>\n    );<br \/>\n}<\/p>\n<p>minUSDC \u548c minLPD \u5747\u88ab\u786c\u7f16\u7801\u4e3a 0&#xff0c;\u610f\u5473\u7740\u534f\u8bae\u613f\u610f\u63a5\u53d7\u4efb\u4f55\u6570\u989d\u7684\u63d0\u53d6&#xff0c;\u54ea\u6015\u6c60\u5b50\u50a8\u5907\u88ab\u4e25\u91cd\u64cd\u7eb5\u5230\u53ea\u5269\u4e0b\u4e00\u70b9\u70b9 USDC\u3002\u8fd9\u7b49\u4e8e\u653e\u5f03\u4e86\u6240\u6709\u6ed1\u70b9\u4fdd\u62a4\u3002<\/p>\n<h4>\u6f0f\u6d1e\u56db&#xff1a;\u72b6\u6001\u9a8c\u8bc1\u4e0d\u4e00\u81f4&#xff08;Inconsistent State Validation&#xff09;<\/h4>\n<p>\u6700\u6839\u672c\u7684\u95ee\u9898\u662f&#xff0c;\u534f\u8bae\u7528\u540c\u4e00\u4e2a\u53ef\u64cd\u7eb5\u7684\u72b6\u6001\u6e90&#xff08;PancakeSwap \u7684\u50a8\u5907\u91cf&#xff09;\u6765\u6267\u884c\u4e24\u4e2a\u5173\u952e\u64cd\u4f5c&#xff1a;<\/p>\n<li>\u521b\u5efa\u8d1f\u503a&#xff08;\u4f30\u7b97\u5b58\u6b3e\u4ef7\u503c&#xff09;&#xff1b;<\/li>\n<li>\u7ed3\u7b97\u8d1f\u503a&#xff08;\u652f\u4ed8\u5229\u606f\u548c\u8d4e\u56de&#xff09;\u3002<\/li>\n<p>\u534f\u8bae\u4ece\u672a\u9a8c\u8bc1\u63d0\u53d6\u7684\u5229\u606f\u662f\u5426\u7531\u771f\u5b9e\u7684\u8d44\u4ea7\u6240\u652f\u6491\u3002\u5b83\u5c06\u5b58\u6b3e\u4f30\u503c\u3001\u5229\u606f\u7d2f\u79ef\u548c\u8d4e\u56de\u89c6\u4e3a\u72ec\u7acb\u7684\u64cd\u4f5c&#xff0c;\u800c\u4e0d\u662f\u5728\u4ed3\u4f4d\u7684\u6574\u4e2a\u751f\u547d\u5468\u671f\u4e2d\u6301\u7eed\u9a8c\u8bc1\u507f\u4ed8\u80fd\u529b\u3002<\/p>\n<hr \/>\n<h3>\u4fee\u590d\u65b9\u6848&#xff1a;\u5982\u4f55\u907f\u514d\u8fd9\u7c7b\u653b\u51fb&#xff1f;&#xff08;The Fixes&#xff09;<\/h3>\n<h4>\u4fee\u590d\u4e00&#xff1a;\u4f7f\u7528\u6297\u64cd\u7eb5\u7684\u9884\u8a00\u673a&#xff08;TWAP \/ Chainlink&#xff09;<\/h4>\n<p>\u5f03\u7528\u73b0\u8d27\u4ef7\u683c&#xff0c;\u5f15\u5165\u65f6\u95f4\u52a0\u6743\u5e73\u5747\u4ef7\u683c&#xff08;TWAP&#xff09;&#xff1a;<\/p>\n<p>import &#034;&#064;uniswap\/v2-periphery\/contracts\/libraries\/UniswapV2OracleLibrary.sol&#034;;<\/p>\n<p>contract LpdFi {<br \/>\n    using UniswapV2OracleLibrary for IPancakePair;<\/p>\n<p>    IPancakePair public pair;<br \/>\n    uint256 public constant TWAP_WINDOW &#061; 30 minutes;<\/p>\n<p>    function price() public view returns (uint256) {<br \/>\n        \/\/ \u91c7\u7528 30 \u5206\u949f\u7684\u65f6\u95f4\u52a0\u6743\u5e73\u5747\u4ef7\u683c<br \/>\n        (uint256 price0, uint256 price1) &#061; UniswapV2OracleLibrary<br \/>\n            .consult(pair, TWAP_WINDOW);<br \/>\n        return price1 * 1e18 \/ price0;<br \/>\n    }<br \/>\n}<\/p>\n<p>\u91c7\u7528 30 \u5206\u949f TWAP \u540e&#xff0c;\u653b\u51fb\u8005\u82e5\u60f3\u64cd\u7eb5\u4ef7\u683c&#xff0c;\u5fc5\u987b\u5c06\u5de8\u989d\u95ea\u7535\u8d37\u7ef4\u6301 30 \u5206\u949f\u4ee5\u4e0a&#xff0c;\u8fd9\u5c06\u4ea7\u751f\u5de8\u989d\u8d44\u91d1\u8d39\u7528&#xff0c;\u4f7f\u653b\u51fb\u5728\u7ecf\u6d4e\u4e0a\u53d8\u5f97\u4e0d\u53ef\u884c\u3002\u66f4\u8fdb\u4e00\u6b65\u7684\u65b9\u6848\u662f\u4f7f\u7528 Chainlink \u5582\u4ef7\u6216\u591a\u6570\u636e\u6e90\u805a\u5408\u3002<\/p>\n<h4>\u4fee\u590d\u4e8c&#xff1a;\u57fa\u4e8e\u771f\u5b9e\u65f6\u95f4\u7684\u8fde\u7eed\u8ba1\u606f<\/h4>\n<p>\u5c06\u79bb\u6563\u7d22\u5f15\u8ba1\u606f\u6539\u4e3a\u771f\u5b9e\u65f6\u95f4\u6233\u8fde\u7eed\u8ba1\u606f&#xff1a;<\/p>\n<p>struct Order {<br \/>\n    uint256 uAmount;<br \/>\n    uint256 lastUpdate;<br \/>\n    uint256 accruedInterest;<br \/>\n    \/\/ &#8230; \u5176\u4ed6\u5b57\u6bb5<br \/>\n}<\/p>\n<p>function updateOrder(uint256 index) internal {<br \/>\n    Order storage order &#061; orders[index];<br \/>\n    uint256 timeElapsed &#061; block.timestamp &#8211; order.lastUpdate;<br \/>\n    uint256 interest &#061; order.uAmount * dailyRate * timeElapsed \/ (1 days * 1e18);<br \/>\n    order.accruedInterest &#043;&#061; interest;<br \/>\n    order.lastUpdate &#061; block.timestamp;<br \/>\n}<\/p>\n<p>\u5229\u606f\u4e0e\u5b9e\u9645\u7ecf\u8fc7\u7684\u65f6\u95f4&#xff08;\u79d2\u6570&#xff09;\u4e25\u683c\u6210\u6b63\u6bd4&#xff0c;\u5f7b\u5e95\u6d88\u9664\u4e86\u4e00\u79d2\u8de8\u8d8a\u8fb9\u754c\u83b7\u53d6\u5168\u5929\u5229\u606f\u7684\u5957\u5229\u7a7a\u95f4\u3002\u5728\u8fd9\u79cd\u673a\u5236\u4e0b&#xff0c;\u653b\u51fb\u8005\u4e00\u79d2\u949f\u53ea\u80fd\u8d5a\u53d6\u7ea6 1,624 \u7f8e\u5143&#xff0c;\u800c\u4e0d\u662f 701,623 \u7f8e\u5143\u3002<\/p>\n<h4>\u4fee\u590d\u4e09&#xff1a;\u6dfb\u52a0\u6ed1\u70b9\u4fdd\u62a4\u4e0e\u5408\u7406\u6027\u6821\u9a8c<\/h4>\n<p>\u6c38\u8fdc\u4e0d\u8981\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u96f6\u6ed1\u70b9\u53c2\u6570&#xff1a;<\/p>\n<p>function claimInterest(uint256 index) external {<br \/>\n    Order memory order &#061; getOrder(index);<br \/>\n    uint256 interest &#061; order.accruedInterest;<\/p>\n<p>    \/\/ \u57fa\u4e8e\u53ef\u4fe1\u9884\u8a00\u673a\u8ba1\u7b97\u9884\u671f\u5e94\u5f97\u7684 USDC \u6570\u91cf<br \/>\n    uint256 expectedUSDC &#061; getFairUSDCAmount(interest);<br \/>\n    uint256 minUSDC &#061; expectedUSDC * 95 \/ 100; \/\/ 5% \u6ed1\u70b9\u5bb9\u5fcd\u5ea6<\/p>\n<p>    \/\/ \u540c\u65f6\u6821\u9a8c\u534f\u8bae\u5b9e\u9645\u62e5\u6709\u8db3\u591f\u6d41\u52a8\u6027<br \/>\n    require(<br \/>\n        getProtocolUSDCBalance() &gt;&#061; interest,<br \/>\n        &#034;Insufficient protocol liquidity&#034;<br \/>\n    );<\/p>\n<p>    removeLp(interest, minUSDC, 0);<br \/>\n}<\/p>\n<p>\u5373\u4f7f\u8d44\u91d1\u6c60\u88ab\u4e34\u65f6\u64cd\u7eb5&#xff0c;\u534f\u8bae\u4e5f\u4e0d\u4f1a\u63a5\u53d7\u4e25\u91cd\u504f\u79bb\u516c\u5141\u4ef7\u503c\u7684\u63d0\u53d6\u6570\u989d\u3002\u7ed3\u5408 TWAP \u9884\u8a00\u673a&#xff0c;\u8fd9\u5f62\u6210\u4e86\u591a\u5c42\u9632\u62a4\u3002<\/p>\n<h4>\u4fee\u590d\u56db&#xff1a;\u5168\u751f\u547d\u5468\u671f\u507f\u4ed8\u80fd\u529b\u9a8c\u8bc1<\/h4>\n<p>\u5728\u6bcf\u4e00\u4e2a\u9000\u51fa\u70b9\u9a8c\u8bc1\u8d1f\u503a\u662f\u5426\u6709\u8db3\u989d\u8d44\u4ea7\u652f\u6491&#xff1a;<\/p>\n<p>function claimInterest(uint256 index) external {<br \/>\n    Order memory order &#061; getOrder(index);<\/p>\n<p>    \/\/ \u9a8c\u8bc1\u8ba2\u5355\u7684\u672c\u91d1\u662f\u5426\u4ecd\u7136\u7531\u771f\u5b9e\u7684 LPD \u652f\u6491<br \/>\n    uint256 currentLPDValue &#061; getFairLPDValue(order.lpdAmount);<br \/>\n    require(<br \/>\n        currentLPDValue &gt;&#061; order.uAmount,<br \/>\n        &#034;Position undercollateralized&#034;<br \/>\n    );<\/p>\n<p>    \/\/ \u9a8c\u8bc1\u901a\u8fc7\u540e\u624d\u5141\u8bb8\u9886\u53d6\u5229\u606f<br \/>\n    \/\/ &#8230;<br \/>\n}<\/p>\n<p>\u4ef7\u683c\u64cd\u7eb5\u88ab\u64a4\u9500\u540e&#xff0c;\u653b\u51fb\u8005\u865a\u9ad8\u7684 1.4 \u4ebf\u7f8e\u5143\u4ed3\u4f4d\u4f1a\u7acb\u5373\u89e6\u53d1\u8be5\u68c0\u67e5&#xff08;currentLPDValue \u8fdc\u5c0f\u4e8e uAmount&#xff09;&#xff0c;\u4ece\u800c\u963b\u6b62\u4efb\u4f55\u865a\u5047\u5229\u606f\u7684\u63d0\u53d6\u3002<\/p>\n<h4>\u4fee\u590d\u4e94&#xff1a;\u5f15\u5165\u65ad\u8def\u5668&#xff08;Circuit Breaker&#xff09;\u4e0e\u6bcf\u65e5\u9650\u989d<\/h4>\n<p>contract LpdFi {<br \/>\n    bool public paused;<br \/>\n    uint256 public maxDailyInterestPayout;<br \/>\n    uint256 public dailyPayoutTotal;<br \/>\n    uint256 public lastPayoutReset;<\/p>\n<p>    modifier whenNotPaused() {<br \/>\n        require(!paused, &#034;Protocol paused&#034;);<br \/>\n        _;<br \/>\n    }<\/p>\n<p>    function claimInterest(uint256 index) external whenNotPaused {<br \/>\n        if (block.timestamp &gt;&#061; lastPayoutReset &#043; 1 days) {<br \/>\n            dailyPayoutTotal &#061; 0;<br \/>\n            lastPayoutReset &#061; block.timestamp;<br \/>\n        }<\/p>\n<p>        uint256 interest &#061; calculateInterest(index);<br \/>\n        require(<br \/>\n            dailyPayoutTotal &#043; interest &lt;&#061; maxDailyInterestPayout,<br \/>\n            &#034;Daily payout limit exceeded&#034;<br \/>\n        );<\/p>\n<p>        dailyPayoutTotal &#043;&#061; interest;<br \/>\n        \/\/ &#8230; \u7ee7\u7eed\u6267\u884c\u63d0\u53d6<br \/>\n    }<br \/>\n}<\/p>\n<p>\u5373\u4f7f\u6240\u6709\u524d\u9762\u7684\u9632\u62a4\u90fd\u5931\u6548\u4e86&#xff0c;\u6bcf\u65e5\u8d54\u4ed8\u4e0a\u9650\u4e5f\u80fd\u5c06\u5355\u65e5\u6700\u5927\u635f\u5931\u9650\u5236\u5728\u53ef\u63a7\u8303\u56f4\u5185\u3002\u5728\u672c\u6848\u4f8b\u4e2d&#xff0c;70 \u4e07\u7f8e\u5143\u7684\u5355\u7b14\u8d54\u4ed8\u4f1a\u76f4\u63a5\u89e6\u53d1\u65ad\u8def\u5668&#xff0c;\u963b\u6b62\u8d44\u91d1\u5916\u6d41\u3002<\/p>\n<hr \/>\n<h3>\u7ed9\u5f00\u53d1\u8005\u7684\u6838\u5fc3\u542f\u793a\u5f55&#xff08;Key Takeaways&#xff09;<\/h3>\n<p>\u6c38\u8fdc\u4e0d\u8981\u76f2\u76ee\u4fe1\u4efb\u73b0\u8d27\u4ef7\u683c\u3002 \u5982\u679c\u4f60\u7684\u534f\u8bae\u4f9d\u8d56 DEX \u4ef7\u683c\u6765\u505a\u4f30\u503c&#xff08;\u800c\u975e\u4ec5\u4ec5\u7528\u4e8e\u6267\u884c swap&#xff09;&#xff0c;\u52a1\u5fc5\u4f7f\u7528 TWAP \u6216\u4e13\u4e1a\u7684\u9884\u8a00\u673a\u89e3\u51b3\u65b9\u6848\u3002\u95ea\u7535\u8d37\u8ba9\u5355\u533a\u5757\u4ef7\u683c\u64cd\u7eb5\u53d8\u5f97\u65e2\u5ec9\u4ef7\u53c8\u7b80\u5355\u3002<\/p>\n<p>\u65f6\u95f4\u662f\u8fde\u7eed\u7684&#xff0c;\u4e0d\u662f\u79bb\u6563\u7684\u3002 \u57fa\u4e8e\u533a\u5757\u53f7\u6216\u4eba\u5de5\u7d22\u5f15&#xff08;issue&#xff09;\u6765\u8ba1\u7b97\u5229\u606f&#xff0c;\u5fc5\u7136\u4f1a\u4ea7\u751f\u8fb9\u754c\u6761\u4ef6&#xff0c;\u800c\u653b\u51fb\u8005\u6700\u64c5\u957f\u6316\u8fd9\u4e9b\u8fb9\u754c\u3002\u8bf7\u57fa\u4e8e\u771f\u5b9e\u7684\u65f6\u95f4\u6233&#xff08;block.timestamp&#xff09;\u8fdb\u884c\u8fde\u7eed\u7d2f\u52a0\u3002<\/p>\n<p>\u96f6\u7edd\u4e0d\u662f\u6709\u6548\u7684\u6ed1\u70b9\u53c2\u6570\u3002 amountOutMin &#061; 0 \u4e0d\u662f\u4e00\u4e2a\u65b9\u4fbf\u7684\u9ed8\u8ba4\u503c&#xff0c;\u800c\u662f\u4e00\u4e2a\u968f\u65f6\u53ef\u80fd\u5f15\u7206\u7684\u5b9a\u65f6\u70b8\u5f39\u3002\u59cb\u7ec8\u57fa\u4e8e\u516c\u5141\u5e02\u573a\u4ef7\u683c\u8bbe\u5b9a\u5408\u7406\u7684\u6ed1\u70b9\u5bb9\u5fcd\u4e0b\u9650\u3002<\/p>\n<p>\u5728\u6bcf\u4e00\u4e2a\u9000\u51fa\u70b9\u9a8c\u8bc1\u507f\u4ed8\u80fd\u529b\u3002 \u4e0d\u8981\u5047\u8bbe\u5165\u573a\u65f6\u9a8c\u8bc1\u8fc7\u7684\u4ed3\u4f4d\u5728\u51fa\u573a\u65f6\u4f9d\u7136\u5065\u5eb7\u3002\u5e02\u573a\u4f1a\u53d8&#xff0c;\u534f\u8bae\u7684\u5185\u90e8\u72b6\u6001\u4e5f\u4f1a\u56e0\u4e3a\u5404\u79cd\u4ea4\u4e92\u800c\u6539\u53d8\u3002<\/p>\n<p>\u5c06\u5b58\u6b3e\u4f30\u503c\u3001\u5229\u606f\u7ed3\u7b97\u548c\u8d4e\u56de\u89c6\u4e3a\u4e00\u4e2a\u4e0d\u53ef\u5206\u5272\u7684\u6574\u4f53\u7cfb\u7edf\u3002 \u5982\u679c\u4f60\u5728\u5b58\u6b3e\u548c\u8d4e\u56de\u65f6\u4f7f\u7528\u4e86\u540c\u4e00\u4e2a\u9884\u8a00\u673a&#xff0c;\u4f60\u5c31\u53ef\u80fd\u521b\u9020\u51fa\u4e00\u4e2a\u5faa\u73af\u4f9d\u8d56\u5173\u7cfb&#xff0c;\u800c\u8fd9\u4e2a\u5173\u7cfb\u6b63\u662f\u653b\u51fb\u8005\u6700\u7406\u60f3\u7684\u7a81\u7834\u53e3\u3002<\/p>\n<hr \/>\n<h3>\u7ed3\u8bed&#xff1a;\u5b89\u5168\u662f\u4e00\u573a\u6301\u7eed\u8fdb\u5316\u7684\u653b\u9632\u6218<\/h3>\n<p>LpdFi \u7684\u8fd9\u6b21\u653b\u51fb\u5e76\u4e0d\u9ad8\u7ea7, 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