{"id":101644,"date":"2025-03-15T14:04:42","date_gmt":"2025-03-15T10:34:42","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/"},"modified":"2025-03-15T14:04:42","modified_gmt":"2025-03-15T10:34:42","slug":"%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/","title":{"rendered":"\u06af\u0631\u0647 \u0647\u0627\u06cc Uniswap v2 &#8211; \u062c\u0627\u0645\u0639\u0647 dev"},"content":{"rendered":"<div data-article-id=\"2334611\" id=\"article-body\">\n<p>Uniswap-v2.md<br \/>https:\/\/youtu.be\/t0nzq8smywu<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#%D9%85%D8%A8%D8%A7%D8%AF%D9%84%D9%87_%DA%A9%D8%B1%D8%AF%D9%86\" >\u0645\u0628\u0627\u062f\u0644\u0647 \u06a9\u0631\u062f\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%DA%A9%D9%86%D9%86%D8%AF%D9%87\" >\u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#%D9%86%D9%82%D8%AF%DB%8C%D9%86%DA%AF%DB%8C_%D8%B1%D8%A7_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0646\u0642\u062f\u06cc\u0646\u06af\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#%D9%85%D8%A8%D8%A7%D8%AF%D9%84%D9%87_%D9%81%D9%84%D8%B4_%D9%88%D8%A7%D9%85_%D9%81%D9%84%D8%B4\" >\u0645\u0628\u0627\u062f\u0644\u0647 \u0641\u0644\u0634 (\u0648\u0627\u0645 \u0641\u0644\u0634)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#TWAP-_%D9%82%DB%8C%D9%85%D8%AA_%D9%85%D8%AA%D9%88%D8%B3%D8%B7_%E2%80%8B%E2%80%8B%D9%88%D8%B2%D9%86\" >TWAP- (\u0642\u06cc\u0645\u062a \u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0648\u0632\u0646)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/%da%af%d8%b1%d9%87-%d9%87%d8%a7%db%8c-uniswap-v2-%d8%ac%d8%a7%d9%85%d8%b9%d9%87-dev\/#%D8%AF%D8%A7%D9%88%D8%B1%DB%8C\" >\u062f\u0627\u0648\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%A8%D8%A7%D8%AF%D9%84%D9%87_%DA%A9%D8%B1%D8%AF%D9%86\"><\/span>\n<p>  \u0645\u0628\u0627\u062f\u0644\u0647 \u06a9\u0631\u062f\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Frxam7lmes4owme2l9aw4.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"413\" title=\"\"><\/p>\n<p>swapexacttokensfortokens () -> getAmountSout ()<\/p>\n<p>swaptokensforexacttokens () -> getAmountSin ()<\/p>\n<p>\u0646\u062d\u0648\u0647 \u062a\u0645\u0627\u0633 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0627 \u062a\u0639\u0648\u06cc\u0636 \u062f\u0631 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u062c\u0641\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>\/\/@ztmy before directly call the pair contract instead of calling the router contract:\n\/\/ 1. transfer token to pair\n\/\/ 2. excute UniswapV2Library.getAmountsOut to calculate the amount0Out, amount1Out\nuint256 amountOut = params.isZeroForOne\n    ? getAmountOut(params.amountOut, reserve1, reserve0)\n    : getAmountOut(params.amountOut, reserve0, reserve1);\n\n\/\/ transfer eth borrow form loan swap to pair1\nIERC20(tokenOut).transfer(params.pair1, params.amountOut);\n\/\/ git DAI form pair1\nIUniswapV2Pair(params.pair1).swap({\n    amount0Out: params.isZeroForOne ? amountOut : 0, \/\/ 10682631633961643998417\n    amount1Out: params.isZeroForOne ? 0 : amountOut, \/\/ 0\n    to: address(this),\n    data: \"\"\n});\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u0642\u06cc\u0645\u062a \u0646\u0642\u0637\u0647<\/strong> (\u0642\u06cc\u0645\u062a \u0645\u062a\u0648\u0633\u0637) = \u0642\u06cc\u0645\u062a \u0641\u0639\u0644\u06cc = x0 \/ y0<\/p>\n<p>\u0642\u06cc\u0645\u062a \u0627\u062c\u0631\u0627\u06cc\u06cc<\/p>\n<p>\u062f\u0644\u06cc\u0644 <strong>\u0644\u063a\u0632\u0634<\/strong>: \u062c\u0646\u0628\u0634 \u0628\u0627\u0632\u0627\u0631<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A7%DB%8C%D8%AC%D8%A7%D8%AF_%DA%A9%D9%86%D9%86%D8%AF%D9%87\"><\/span>\n<p>  \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0646\u062f\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1 \u0628\u0627\u06cc\u062a = 8 \u0628\u06cc\u062a = 2 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0647\u06af\u0632<\/p>\n<p>\u0637\u0648\u0644 \u0622\u062f\u0631\u0633 \u0627\u062a\u0631\u06cc\u0648\u0645 = 20 \u0628\u0627\u06cc\u062a = 40 \u0634\u062e\u0635\u06cc\u062a \u0634\u0634 \u0636\u0644\u0639\u06cc = \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u06cc\u0634 \u0627\u0632 48 \u0628\u06cc\u062a<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0642\u0631\u0627\u0631\u062f\u0627\u062f uniSWAPV2PAIR \u0641\u0642\u0637 \u0628\u0647 Token0 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f \u060c Token1 \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0627\u0632 Token0 \u0648 Token1 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0631\u062f \u060c \u0628\u0631\u0627\u06cc \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0633\u0627\u0632\u0646\u062f\u0647 \u0642\u0631\u0627\u0631\u062f\u0627\u062f UNISWAPV2PAIR \u0647\u06cc\u0686 \u0686\u06cc\u0632\u06cc \u0631\u0627 \u0645\u0646\u062a\u0642\u0644 \u0646\u0645\u06cc \u06a9\u0646\u062f \u060c \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0646\u0627\u0645 \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 Token0 \u060c Token1 \u0645\u06cc \u0646\u0627\u0645\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D9%82%D8%AF%DB%8C%D9%86%DA%AF%DB%8C_%D8%B1%D8%A7_%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u0646\u0642\u062f\u06cc\u0646\u06af\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fg75bamoxrqd2j8ttel1r.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"561\" title=\"\"><\/p>\n<p>\u0645\u0642\u062f\u0627\u0631 \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0627\u06cc\u0646 AMM \u062a\u0648\u0633\u0637 \u0627\u06cc\u0646 \u0646\u06a9\u062a\u0647 \u0634\u0631\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0646\u0642\u062f\u06cc\u0646\u06af\u06cc \u0647\u0633\u062a\u06cc\u0645 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0635\u0644 \u0627\u0632 Token X \u0648 Token y \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0627\u06cc\u0646 \u062e\u0637 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u0633\u0647 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u0642\u062f\u0627\u0631 \u0627\u0633\u062a\u062e\u0631:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmrqkxs3xvv88zijhv72v.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"334\" title=\"\"><\/p>\n<p>\u067e\u0633 \u0627\u0632 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0646\u0642\u062f\u06cc\u0646\u06af\u06cc \u060c \u0633\u0647\u0627\u0645 \u0627\u0633\u062a\u062e\u0631 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F5zaw6pyc0hopiuk5eytc.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"356\" title=\"\"><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%A8%D8%A7%D8%AF%D9%84%D9%87_%D9%81%D9%84%D8%B4_%D9%88%D8%A7%D9%85_%D9%81%D9%84%D8%B4\"><\/span>\n<p>  \u0645\u0628\u0627\u062f\u0644\u0647 \u0641\u0644\u0634 (\u0648\u0627\u0645 \u0641\u0644\u0634)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0647\u0632\u06cc\u0646\u0647 \u0645\u0628\u0627\u062f\u0644\u0647 \u0641\u0644\u0634 \u0627\u0632 \u0647\u0632\u06cc\u0646\u0647 \u0645\u0628\u0627\u062f\u0644\u0647 \u0627\u0633\u062a.<br \/><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fivpg171ga111wl34psdb.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"488\" title=\"\"><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight cpp\"><code><span class=\"c1\">\/\/ Uniswap V2 callback<\/span>\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">.<\/span><span class=\"n\">length<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"n\">IUniswapV2Callee<\/span><span class=\"p\">(<\/span><span class=\"n\">to<\/span><span class=\"p\">).<\/span><span class=\"n\">uniswapV2Call<\/span><span class=\"p\">(<\/span><span class=\"n\">msg<\/span><span class=\"p\">.<\/span><span class=\"n\">sender<\/span><span class=\"p\">,<\/span> <span class=\"n\">amount0Out<\/span><span class=\"p\">,<\/span> <span class=\"n\">amount1Out<\/span><span class=\"p\">,<\/span> <span class=\"n\">data<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062e\u0637\u0631 \u0642\u06cc\u0645\u062a \u0646\u0642\u0637\u0647 AMM \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0642\u06cc\u0645\u062a \u0642\u06cc\u0645\u062a \u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0642\u06cc\u0645\u062a \u0646\u0642\u0637\u0647 \u0628\u0648\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"TWAP-_%D9%82%DB%8C%D9%85%D8%AA_%D9%85%D8%AA%D9%88%D8%B3%D8%B7_%E2%80%8B%E2%80%8B%D9%88%D8%B2%D9%86\"><\/span>\n<p>  TWAP- (\u0642\u06cc\u0645\u062a \u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0648\u0632\u0646)<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fn1te4fa35eomixhp36in.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"435\" title=\"\"><\/p>\n<p><strong>\u0642\u06cc\u0645\u062a \u062a\u062c\u0645\u0639\u06cc<\/strong><\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u06cc\u0645\u062a \u062a\u062c\u0645\u0639\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 TWAP<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Frtrj6w3ktc3gab9lgtre.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"485\" title=\"\"><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>uint256(uint224(y) * 2**112 \/ uint224(x)) = (y \/ x) * 2^112\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>\u0634\u0645\u0627\u0631\u0647 \u062b\u0627\u0628\u062a<\/strong> \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0639\u062f\u0627\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u062d\u0633\u0627\u0628\u06cc \u0627\u0639\u0634\u0627\u0631\u06cc \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627 (\u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u062d\u06a9\u0627\u0645) \u06a9\u0647 \u0627\u0632 \u062d\u0633\u0627\u0628\u06cc \u0646\u0642\u0637\u0647 \u0634\u0646\u0627\u0648\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AF%D8%A7%D9%88%D8%B1%DB%8C\"><\/span>\n<p>  \u062f\u0627\u0648\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fptk2269wfng8n2pepp31.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"233\" title=\"\"><\/p>\n<p><strong>uniSwapv2Arb1<\/strong><\/p>\n<ol>\n<li>\u0627\u0633\u062a\u0631\u06cc\u0631\u0627\u0698 \u0631\u0627 \u0628\u06cc\u0646 \u0633\u0647 \u0642\u0631\u0627\u0631\u062f\u0627\u062f uniSwapv2pair \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f<\/li>\n<li>model_1 \u062f\u0631 uniSwap_v2_arb.png (\u0642\u0631\u0636 \u06af\u0631\u0641\u062a\u0646 \u062f\u0627\u06cc \u0648 \u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0627\u06cc)<\/li>\n<li>\u0647\u0632\u06cc\u0646\u0647 \u0645\u0628\u0627\u062f\u0644\u0647 \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u062a\u0645\u0631\u06cc\u0646 \u0645\u0627 \u0628\u0627 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0631\u0648\u062a\u0631 \u062a\u0645\u0627\u0633 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06af\u0631\u0641\u062a (swapexacttokensfortokens)<\/li>\n<\/ol>\n<p><strong>uniSwapv2Arb2<\/strong><\/p>\n<ol>\n<li>\u0627\u0633\u062a\u0631\u06cc\u0631\u0627\u0698 \u0631\u0627 \u0628\u06cc\u0646 \u062f\u0648 \u0642\u0631\u0627\u0631\u062f\u0627\u062f uniSwapv2pair \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f<\/li>\n<li>Model_1 \u062f\u0631 uniSwap_v2_arb.png (\u0648\u0627\u0645 \u0648 \u0628\u0627\u0632\u06af\u0634\u062a DAI)<\/li>\n<li>\u0645\u062d\u0627\u0633\u0628\u0647 \u0647\u0632\u06cc\u0646\u0647 \u0645\u0628\u0627\u062f\u0644\u0647 \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0648\u0627\u0645 (GetAmountOut) \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u062a\u0645\u0631\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0628\u0647 \u062c\u0627\u06cc \u062a\u0645\u0627\u0633 \u0628\u0627 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0631\u0648\u062a\u0631 \u060c \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0627 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0632\u0648\u062c \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u0645.<\/li>\n<\/ol>\n<p><strong>\u0645\u0642\u062f\u0627\u0631 \u0628\u0647\u06cc\u0646\u0647 \u062f\u0627\u0648\u0631\u06cc \u062f\u0631<\/strong><br \/><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fped4hd2pty0wpekl5t02.png\" alt=\"\u0634\u0631\u062d \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"687\" title=\"\"><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Uniswap-v2.mdhttps:\/\/youtu.be\/t0nzq8smywu \u0645\u0628\u0627\u062f\u0644\u0647 \u06a9\u0631\u062f\u0646 swapexacttokensfortokens () -> getAmountSout () swaptokensforexacttokens () -> getAmountSin () \u0646\u062d\u0648\u0647 \u062a\u0645\u0627\u0633 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0627 \u062a\u0639\u0648\u06cc\u0636 \u062f\u0631 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u062c\u0641\u062a: \/\/@ztmy before directly call the pair contract instead of calling the router contract: \/\/ 1. transfer token to pair \/\/ 2. excute UniswapV2Library.getAmountsOut to calculate the amount0Out, amount1Out uint256 amountOut = params.isZeroForOne ? getAmountOut(params.amountOut, &hellip;<\/p>\n","protected":false},"author":2,"featured_media":101645,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbvnkykd9iuyocerw6sbc.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-101644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/101644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=101644"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/101644\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/101645"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=101644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=101644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=101644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}