{"id":66363,"date":"2024-06-13T01:40:11","date_gmt":"2024-06-12T22:10:11","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/"},"modified":"2024-06-13T01:40:11","modified_gmt":"2024-06-12T22:10:11","slug":"l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/","title":{"rendered":"L1Opcode \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0644\u06cc\u062f \u0627\u0645\u0646 \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631 SLOAD \u06a9\u0646\u06cc\u062f"},"content":{"rendered":"<p><\/p>\n<div data-article-id=\"1886188\" id=\"article-body\">\n<p>\u062a\u0648\u0627\u0628\u0639 \u0627\u0646\u062a\u0632\u0627\u0639 \u062d\u0633\u0627\u0628 \u0645\u062a\u0642\u0627\u0628\u0644 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0628\u0647 \u0644\u0637\u0641 Keystores \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.  \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0642\u0627\u062f\u0631 \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f \u0686\u0646\u062f\u06cc\u0646 \u06a9\u06cc\u0641 \u067e\u0648\u0644 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0647\u0648\u0634\u0645\u0646\u062f \u0631\u0627 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0648 \u0628\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f.  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u062e\u0648\u0628 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0638\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0646\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627\u06cc \u0627\u062a\u0631\u06cc\u0648\u0645 \u0628\u0647 \u0627\u0631\u0645\u063a\u0627\u0646 \u0628\u06cc\u0627\u0648\u0631\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0627\u062a\u0641\u0627\u0642 \u0628\u06cc\u0641\u062a\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc L1 \u0631\u0627 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0647\u0627\u06cc L2 \u0628\u062e\u0648\u0627\u0646\u06cc\u0645\u060c \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0628\u0633\u06cc\u0627\u0631 \u06af\u0631\u0627\u0646\u06cc \u0627\u0633\u062a.  \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u06a9\u0631\u0648\u0644 \u0627\u062e\u06cc\u0631\u0627\u064b \u067e\u06cc\u0634 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a <code>L1SLOAD<\/code> \u06a9\u0647 \u0642\u0627\u062f\u0631 \u0627\u0633\u062a \u0648\u0636\u0639\u06cc\u062a L1 \u0631\u0627 \u0633\u0631\u06cc\u0639 \u0648 \u0627\u0631\u0632\u0627\u0646 \u0628\u062e\u0648\u0627\u0646\u062f.  \u06a9\u06cc\u0641 \u067e\u0648\u0644 \u0627\u06cc\u0645\u0646 \u06cc\u06a9 \u0646\u0633\u062e\u0647 \u06cc \u0646\u0645\u0627\u06cc\u0634\u06cc \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062f\u0631 Safecon Berlin 2024 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u0641\u06a9\u0631 \u0645\u06cc \u06a9\u0646\u0645 \u0627\u06cc\u0646 \u0641\u0642\u0637 \u0634\u0631\u0648\u0639 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0645\u062a\u0642\u0627\u0628\u0644 \u0631\u0627 \u062f\u0631 DeFi\u060c \u0628\u0627\u0632\u06cc \u0647\u0627\u060c \u0634\u0628\u06a9\u0647 \u0647\u0627\u06cc \u0627\u062c\u062a\u0645\u0627\u0639\u06cc \u0648 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u060c \u0645\u0641\u0627\u0647\u06cc\u0645 \u0627\u0633\u0627\u0633\u06cc \u0627\u06cc\u0646 \u0628\u062f\u0648\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u0645 \u06a9\u0647 \u0631\u0627\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u0627\u062a\u0631\u06cc\u0648\u0645 \u0628\u0627\u0632 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#1_%DA%A9%DB%8C%D9%81_%D9%BE%D9%88%D9%84_Scroll_Devnet_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D9%88%D8%B5%D9%84_%DA%A9%D9%86%DB%8C%D8%AF\" >1. \u06a9\u06cc\u0641 \u067e\u0648\u0644 Scroll Devnet \u062e\u0648\u062f \u0631\u0627 \u0648\u0635\u0644 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#2_%D8%AF%D8%B1_Scroll_Devnet_%D8%A8%D9%88%D8%AF%D8%AC%D9%87_%D8%AF%D8%B1%DB%8C%D8%A7%D9%81%D8%AA_%DA%A9%D9%86%DB%8C%D8%AF\" >2. \u062f\u0631 Scroll Devnet \u0628\u0648\u062f\u062c\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#2_%D9%82%D8%B1%D8%A7%D8%B1%D8%AF%D8%A7%D8%AF_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D8%AF%D8%B1_L2_%D8%B1%D8%A7%D9%87_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\" >2. \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 L2 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#3_%DB%8C%DA%A9_%D8%A7%D8%B3%D9%84%D8%A7%D8%AA_%D8%A7%D8%B2_L2_%D8%A8%D8%AF%D8%B3%D8%AA_%D8%A2%D9%88%D8%B1%DB%8C%D8%AF\" >3. \u06cc\u06a9 \u0627\u0633\u0644\u0627\u062a \u0627\u0632 L2 \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%B4%D9%85%D8%A7%D8%B1%D9%87_2_%D8%AE%D9%88%D8%A7%D9%86%D8%AF%D9%86_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%DB%8C%DA%AF%D8%B1_%D9%85%D8%AA%D8%BA%DB%8C%D8%B1%D9%87%D8%A7\" >\u0645\u062b\u0627\u0644 \u0634\u0645\u0627\u0631\u0647 2: \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u06cc\u06af\u0631 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/l1opcode-%d8%ac%d8%af%db%8c%d8%af-%d8%b1%d8%a7-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b0%d8%ae%db%8c%d8%b1%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%84%db%8c%d8%af-%d8%a7%d9%85%d9%86-%d9%88-%d9%85%d9%82\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%B4%D9%85%D8%A7%D8%B1%D9%87_3_%D9%85%D9%88%D8%AC%D9%88%D8%AF%DB%8C_%D8%AA%D9%88%DA%A9%D9%86_ERC20_%D8%B1%D8%A7_%D8%AF%D8%B1_L1_%D8%A8%D8%AE%D9%88%D8%A7%D9%86%DB%8C%D8%AF\" >\u0645\u062b\u0627\u0644 \u0634\u0645\u0627\u0631\u0647 3: \u0645\u0648\u062c\u0648\u062f\u06cc \u062a\u0648\u06a9\u0646 ERC20 \u0631\u0627 \u062f\u0631 L1 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_%DA%A9%DB%8C%D9%81_%D9%BE%D9%88%D9%84_Scroll_Devnet_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D9%88%D8%B5%D9%84_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  1. \u06a9\u06cc\u0641 \u067e\u0648\u0644 Scroll Devnet \u062e\u0648\u062f \u0631\u0627 \u0648\u0635\u0644 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631\u062d\u0627\u0644 \u062d\u0627\u0636\u0631\u060c <code>L1SLOAD<\/code> \u0641\u0642\u0637 \u062f\u0631 Scroll Devnet \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a.  \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0627 Scroll Sepolia Testnet \u0627\u0634\u062a\u0628\u0627\u0647 \u0646\u06af\u06cc\u0631\u06cc\u062f.  \u0627\u06af\u0631\u0686\u0647 \u0647\u0631 \u062f\u0648 \u062f\u0631 Sepolia Testnet \u0645\u0633\u062a\u0642\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0647\u0627\u06cc \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0627\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0645\u0627 \u0628\u0627 \u0627\u062a\u0635\u0627\u0644 \u06a9\u06cc\u0641 \u067e\u0648\u0644 \u062e\u0648\u062f \u0628\u0647 Scroll Devnet \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<ul>\n<li>\u0646\u0627\u0645: <code>Scroll Devnet<\/code>\n<\/li>\n<li>RPC: <code>https:\/\/l1sload-rpc.scroll.io<\/code>\n<\/li>\n<li>\u0634\u0646\u0627\u0633\u0647 \u0632\u0646\u062c\u06cc\u0631\u0647: <code>222222<\/code>\n<\/li>\n<li>\u0633\u0645\u0628\u0644: <code>Sepolia ETH<\/code>\n<\/li>\n<li>\u06a9\u0627\u0648\u0634\u06af\u0631: <code>https:\/\/l1sload-blockscout.scroll.io<\/code>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F4myzwxva7wdp6j2vskcl.png\" alt=\"\u0628\u0647 Scroll Devnet \u0645\u062a\u0635\u0644 \u0634\u0648\u06cc\u062f\" loading=\"lazy\" width=\"800\" height=\"616\" title=\"\"><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%AF%D8%B1_Scroll_Devnet_%D8%A8%D9%88%D8%AF%D8%AC%D9%87_%D8%AF%D8%B1%DB%8C%D8%A7%D9%81%D8%AA_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  2. \u062f\u0631 Scroll Devnet \u0628\u0648\u062f\u062c\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0648 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u0648\u062c\u0648\u0647 \u062f\u0631 Scroll Devnet \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.  \u06cc\u06a9\u06cc \u0631\u0627 \u06a9\u0647 \u062a\u0631\u062c\u06cc\u062d \u0645\u06cc \u062f\u0647\u06cc\u062f \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<details>\n<summary>\u0631\u0628\u0627\u062a \u0634\u06cc\u0631 \u200b\u200b\u062f\u0631 \u062a\u0644\u06af\u0631\u0627\u0645 (\u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f)<\/summary>\n<p>\u0628\u0647 \u0627\u06cc\u0646 \u06af\u0631\u0648\u0647 \u062a\u0644\u06af\u0631\u0627\u0645\u06cc \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f \u0648 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f <code>\/drop TUADDRESS<\/code> (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 <code>\/drop 0xd8da6bf26964af9d7eed9e03e53415d37aa96045<\/code>) \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0648\u062c\u0648\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0633\u0627\u0628 \u062e\u0648\u062f.<\/p>\n<\/details>\n<details>\n<summary>\u067e\u0644 \u062f \u0633\u067e\u0648\u0644\u06cc\u0627<\/summary>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 \u067e\u0644 \u0648\u062c\u0648\u0647 \u0627\u0632 Sepolia \u0628\u0647 Scroll Devnet \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f.  \u062f\u0648 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0647\u062f\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0627\u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0645\u0627 \u0627\u0632 Remix \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u06a9\u06cc\u0641 \u067e\u0648\u0644 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0627 Sepolia ETH \u0628\u0647 Sepolia Testnet \u0645\u062a\u0635\u0644 \u06a9\u0646\u06cc\u0645.  \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f Sepolia ETH \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0627\u06cc\u06af\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u0634\u06cc\u0631 \u0622\u0628 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062d\u0627\u0644 \u0631\u0627\u0628\u0637 \u0632\u06cc\u0631 \u0631\u0627 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: MIT<\/span>\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">&gt;=<\/span><span class=\"mf\">0.7<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span> <span class=\"o\">&lt;<\/span><span class=\"mf\">0.9<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kr\">interface<\/span> <span class=\"nx\">ScrollMessanger<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">sendMessage<\/span><span class=\"p\">(<\/span><span class=\"nx\">address<\/span> <span class=\"nx\">to<\/span><span class=\"p\">,<\/span> <span class=\"nx\">uint<\/span> <span class=\"nx\">value<\/span><span class=\"p\">,<\/span> <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">message<\/span><span class=\"p\">,<\/span> <span class=\"nx\">uint<\/span> <span class=\"nx\">gasLimit<\/span><span class=\"p\">)<\/span> <span class=\"nx\">external<\/span> <span class=\"nx\">payable<\/span><span class=\"p\">;<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u0633\u067e\u0633\u060c \u062f\u0631 \u062a\u0628 &#8220;Deploy &#038; Run&#8221;\u060c \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0648\u0635\u0644 \u06a9\u0646\u06cc\u062f: <code>0x561894a813b7632B9880BB127199750e93aD2cd5<\/code>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fopjs8r2ojy7epjmijjbw.png\" alt=\"\u0631\u0627\u0628\u0637 \u0627\u0633\u06a9\u0631\u0648\u0644 \u0645\u0633\u0646\u062c\u0631 \u0631\u0627 \u0631\u0648\u06cc \u0631\u06cc\u0645\u06cc\u06a9\u0633 \u0648\u0635\u0644 \u06a9\u0646\u06cc\u062f\" loading=\"lazy\" width=\"448\" height=\"319\" title=\"\"><\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f ETH \u0631\u0627 \u0628\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0627\u0628\u0639 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f <code>sendMessage<\/code> \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631<\/p>\n<ul>\n<li>\u0628\u0647: \u0622\u062f\u0631\u0633 \u062d\u0633\u0627\u0628 EOA \u0634\u0645\u0627.  \u0622\u062f\u0631\u0633\u06cc \u06a9\u0647 \u062f\u0631 L2 \u0648\u062c\u0648\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0645\u0642\u062f\u0627\u0631: \u0645\u0642\u062f\u0627\u0631 \u0627\u062a\u0631\u06cc \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631 L2 \u062f\u0631 \u0642\u0627\u0644\u0628 wei \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.  \u0645\u062b\u0644\u0627 \u0627\u06af\u0631 \u0628\u0641\u0631\u0633\u062a\u06cc\u062f <code>0.01<\/code> ETH \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f <code>10000000000000000<\/code>\n<\/li>\n<li>\u067e\u06cc\u0627\u0645: \u062e\u0627\u0644\u06cc \u0628\u06af\u0630\u0627\u0631\u06cc\u062f\u060c \u0641\u0642\u0637 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f <code>0x00<\/code>\n<\/li>\n<li>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u06af\u0627\u0632: <code>1000000<\/code> \u0628\u0627\u06cc\u062f \u06a9\u0627\u0641\u06cc \u0628\u0627\u0634\u0647<\/li>\n<\/ul>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0631\u0632\u0634 \u0631\u0627 \u0628\u0647 \u062a\u0631\u0627\u06a9\u0646\u0634 \u062e\u0648\u062f \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u06cc\u062f.  \u0648 \u0645\u0642\u062f\u0627\u0631\u06cc ETH \u0627\u0636\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc L2 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f\u060c <code>0.001<\/code> \u0628\u0627\u06cc\u062f \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u06a9\u0627\u0641\u06cc \u0628\u0627\u0634\u062f  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u06af\u0631 \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f\u06cc\u062f <code>0.01<\/code> ETH \u0631\u0648\u06cc \u067e\u0644\u060c \u06cc\u06a9 \u062a\u0631\u0627\u06a9\u0646\u0634 \u0628\u0627 <code>0.011<\/code> ETH \u0628\u0631\u0627\u06cc \u067e\u0648\u0634\u0634 \u0647\u0632\u06cc\u0646\u0647 \u0647\u0627.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u06cc\u06a9 \u0647\u0632\u06cc\u0646\u0647 \u0627\u0636\u0627\u0641\u06cc \u062e\u0631\u062c \u06a9\u0646\u06cc\u062f <code>value<\/code> \u062f\u0631 \u0645\u0639\u0627\u0645\u0644\u0647 \u0634\u0645\u0627  \u06cc\u0639\u0646\u06cc \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc L2 \u06a9\u0645\u06cc \u0627\u062a\u0631\u06cc\u0648\u0645 \u0627\u0636\u0627\u0641\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f. <code>0.001<\/code> \u0628\u0627\u06cc\u062f \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u06a9\u0627\u0641\u06cc \u0628\u0627\u0634\u062f  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 0.01 ETH \u0631\u0648\u06cc \u067e\u0644 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f\u06cc\u062f\u060c \u06cc\u06a9 \u062a\u0631\u0627\u06a9\u0646\u0634 \u0628\u0627 \u0622\u0646 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f <code>0.011<\/code> ETH \u0628\u0631\u0627\u06cc \u067e\u0648\u0634\u0634 \u06a9\u0645\u06cc\u0633\u06cc\u0648\u0646<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fzwkdvhyt23j4k9i2x8e4.png\" alt=\"ETH \u0631\u0627 \u0627\u0632 Sepolia \u0628\u0647 Scroll Devnet \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f\" loading=\"lazy\" width=\"417\" height=\"882\" title=\"\"><\/p>\n<\/details>\n<p><\/p>\n<p>\u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f <code>transact<\/code> \u0648 \u0648\u062c\u0648\u0647 \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u062f\u0631 \u062d\u062f\u0648\u062f 15 \u062f\u0642\u06cc\u0642\u0647 \u0628\u0631\u0633\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D9%82%D8%B1%D8%A7%D8%B1%D8%AF%D8%A7%D8%AF_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D8%AF%D8%B1_L2_%D8%B1%D8%A7%D9%87_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  2. \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 L2 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627 \u0630\u06a9\u0631 \u06a9\u0631\u062f\u06cc\u0645\u060c <code>L1SLOAD<\/code> \u0648\u0636\u0639\u06cc\u062a \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627 \u0631\u0627 \u062f\u0631 L1 \u0627\u0632 L2 \u0645\u06cc \u062e\u0648\u0627\u0646\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u06cc\u06a9 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0633\u0627\u062f\u0647 \u062f\u0631 L1 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0633\u067e\u0633 \u0645\u0642\u062f\u0627\u0631 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0645\u06cc \u062e\u0648\u0627\u0646\u06cc\u0645 <code>number<\/code> \u0627\u0632 L2.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: GPL-3.0<\/span>\n\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">^<\/span><span class=\"mf\">0.8<\/span><span class=\"p\">.<\/span><span class=\"mi\">20<\/span><span class=\"p\">;<\/span>\n\n<span class=\"cm\">\/**\n * @title Storage\n * @dev Store &amp; retrieve value in a variable\n *\/<\/span>\n<span class=\"nx\">contract<\/span> <span class=\"nx\">L1Storage<\/span> <span class=\"p\">{<\/span>\n\n    <span class=\"nx\">uint256<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">number<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"cm\">\/**\n     * @dev Store value in variable\n     * @param num value to store\n     *\/<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">store<\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span> <span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">number<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">num<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"cm\">\/**\n     * @dev Return value\n     * @return value of 'number'\n     *\/<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieve<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">){<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">number<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u062d\u0627\u0644\u0627 \u0628\u0627 <code>store(uint256 num)<\/code> \u062a\u0627\u0628\u0639 \u0648 \u0627\u0631\u0633\u0627\u0644 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062c\u062f\u06cc\u062f.  \u0645\u062b\u0644\u0627 \u0628\u06af\u0630\u0631\u06cc\u0645 <code>42<\/code>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F0oecx64a2vthd8mjsx5l.png\" alt=\"\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 L1 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f\" loading=\"lazy\" width=\"443\" height=\"420\" title=\"\"><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_%DB%8C%DA%A9_%D8%A7%D8%B3%D9%84%D8%A7%D8%AA_%D8%A7%D8%B2_L2_%D8%A8%D8%AF%D8%B3%D8%AA_%D8%A2%D9%88%D8%B1%DB%8C%D8%AF\"><\/span>\n<p>  3. \u06cc\u06a9 \u0627\u0633\u0644\u0627\u062a \u0627\u0632 L2 \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 L2 \u0628\u0627 \u0639\u0628\u0648\u0631 \u0622\u062f\u0631\u0633 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u06cc \u06a9\u0647 \u0628\u0647 \u062a\u0627\u0632\u06af\u06cc \u062f\u0631 L1 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0631 \u0633\u0627\u0632\u0646\u062f\u0647 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: GPL-3.0<\/span>\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">^<\/span><span class=\"mf\">0.8<\/span><span class=\"p\">.<\/span><span class=\"mi\">20<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kr\">interface<\/span> <span class=\"nx\">IL1Blocks<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"nx\">external<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"nx\">contract<\/span> <span class=\"nx\">L2Storage<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_BLOCKS_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x5300000000000000000000000000000000000001<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x0000000000000000000000000000000000000101<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">uint256<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">NUMBER_SLOT<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">immutable<\/span> <span class=\"nx\">l1StorageAddr<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nx\">uint<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">l1Number<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">address<\/span> <span class=\"nx\">_l1Storage<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">l1StorageAddr<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_l1Storage<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestL1BlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">l1BlockNum<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveFromL1<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">input<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">encodePacked<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1StorageAddr<\/span><span class=\"p\">,<\/span> <span class=\"nx\">NUMBER_SLOT<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">bool<\/span> <span class=\"nx\">success<\/span><span class=\"p\">;<\/span>\n        <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">ret<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">(<\/span><span class=\"nx\">success<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ret<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"nx\">input<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">success<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"p\">(<\/span><span class=\"nx\">l1Number<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nx\">ret<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">));<\/span>\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nf\">revert<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">L1SLOAD failed<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0627\u0628\u062a\u062f\u0627 \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>latestL1BlockNumber()<\/code> \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0622\u062e\u0631\u06cc\u0646 \u0628\u0644\u0648\u06a9 \u062f\u0631 L1 \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u062f\u0631 L2 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a.  \u0628\u0639\u062f \u0632\u0646\u06af \u0645\u06cc\u0632\u0646\u06cc\u0645 <code>L1SLOAD<\/code> (opcode <code>0x101<\/code>) \u0627\u0631\u0633\u0627\u0644 \u0622\u062f\u0631\u0633 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u062f\u0631 L1 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0648 \u0634\u06a9\u0627\u0641 9\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u062a\u063a\u06cc\u0631 <code>number<\/code> \u062f\u0631 \u062f\u0627\u062e\u0644 \u0622\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f.<\/p>\n<p>\u062d\u0627\u0644\u0627 \u0645\u06cc\u062a\u0648\u0646\u06cc\u0645 \u0632\u0646\u06af \u0628\u0632\u0646\u06cc\u0645 <code>retrieveFromL1()<\/code> \u0628\u0631\u0627\u06cc \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u0645\u0642\u062f\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0642\u0628\u0644\u06cc<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media.dev.to\/cdn-cgi\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fp92y2kkjb9ecvtcv32re.png\" alt=\"L2SLOAD L1 \u062d\u0627\u0644\u062a \u0642\u0631\u0645\u0632 \u0627\u0632 L2\" loading=\"lazy\" width=\"437\" height=\"382\" title=\"\"><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%B4%D9%85%D8%A7%D8%B1%D9%87_2_%D8%AE%D9%88%D8%A7%D9%86%D8%AF%D9%86_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%DB%8C%DA%AF%D8%B1_%D9%85%D8%AA%D8%BA%DB%8C%D8%B1%D9%87%D8%A7\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 \u0634\u0645\u0627\u0631\u0647 2: \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u06cc\u06af\u0631 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Solidity \u0627\u0633\u0644\u0627\u062a \u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0627\u0646 \u062a\u0631\u062a\u06cc\u0628\u06cc \u06a9\u0647 \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0627\u0646\u062f \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0645\u0627 \u06a9\u0627\u0645\u0644\u0627\u064b \u0631\u0627\u062d\u062a \u0627\u0633\u062a.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0632\u06cc\u0631\u060c <code>account<\/code> \u062f\u0631 \u0627\u0633\u0644\u0627\u062a \u0634\u0645\u0627\u0631\u0647 0 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c <code>number<\/code> \u062f\u0631 \u0634\u0645\u0627\u0631\u0647 1 \u0648 <code>text<\/code> \u062f\u0631 2.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: MIT<\/span>\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">&gt;=<\/span><span class=\"mf\">0.7<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span> <span class=\"o\">&lt;<\/span><span class=\"mf\">0.9<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nx\">contract<\/span> <span class=\"nx\">AdvancedL1Storage<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">account<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">uint<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">number<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">string<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">text<\/span><span class=\"p\">;<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0631\u0627 \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u0645: uint256\u060c \u0622\u062f\u0631\u0633 \u0648 \u063a\u06cc\u0631\u0647&#8230; \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u0627\u0647\u06cc\u062a \u0645\u062a\u063a\u06cc\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0622\u0646\u0647\u0627 \u06a9\u0645\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0647\u0633\u062a\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: GPL-3.0<\/span>\n\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">^<\/span><span class=\"mf\">0.8<\/span><span class=\"p\">.<\/span><span class=\"mi\">20<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kr\">interface<\/span> <span class=\"nx\">IL1Blocks<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"nx\">external<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"nx\">contract<\/span> <span class=\"nx\">L2Storage<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_BLOCKS_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x5300000000000000000000000000000000000001<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x0000000000000000000000000000000000000101<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">immutable<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nx\">address<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">account<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">uint<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">number<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">string<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">test<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">address<\/span> <span class=\"nx\">_l1ContractAddress<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/0x5555158Ea3aB5537Aa0012AdB93B055584355aF3<\/span>\n        <span class=\"nx\">l1ContractAddress<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_l1ContractAddress<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Internal functions<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestL1BlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"nx\">internal<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">l1BlockNum<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">uint<\/span> <span class=\"nx\">blockNumber<\/span><span class=\"p\">,<\/span> <span class=\"nx\">address<\/span> <span class=\"nx\">l1StorageAddress<\/span><span class=\"p\">,<\/span> <span class=\"nx\">uint<\/span> <span class=\"nx\">slot<\/span><span class=\"p\">)<\/span> <span class=\"nx\">internal<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">bool<\/span> <span class=\"nx\">success<\/span><span class=\"p\">;<\/span>\n        <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">(<\/span><span class=\"nx\">success<\/span><span class=\"p\">,<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">encodePacked<\/span><span class=\"p\">(<\/span><span class=\"nx\">blockNumber<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1StorageAddress<\/span><span class=\"p\">,<\/span> <span class=\"nx\">slot<\/span><span class=\"p\">));<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">success<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"nf\">revert<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">L1SLOAD failed<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">decodeStringSlot<\/span><span class=\"p\">(<\/span><span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">encodedString<\/span><span class=\"p\">)<\/span> <span class=\"nx\">internal<\/span> <span class=\"nx\">pure<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">string<\/span> <span class=\"nx\">memory<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint<\/span> <span class=\"nx\">length<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n        <span class=\"k\">while <\/span><span class=\"p\">(<\/span><span class=\"nx\">length<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nx\">encodedString<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">encodedString<\/span><span class=\"p\">[<\/span><span class=\"nx\">length<\/span><span class=\"p\">]<\/span> <span class=\"o\">!=<\/span> <span class=\"mh\">0x00<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nx\">length<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">bytes<\/span><span class=\"p\">(<\/span><span class=\"nx\">length<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nx\">length<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nx\">data<\/span><span class=\"p\">[<\/span><span class=\"nx\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">encodedString<\/span><span class=\"p\">[<\/span><span class=\"nx\">i<\/span><span class=\"p\">];<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nf\">string<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Public functions<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveAddress<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">account<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"nx\">address<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveNumber<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">number<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"nx\">uint<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveString<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">test<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">decodeStringSlot<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveAll<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">account<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"nx\">address<\/span><span class=\"p\">));<\/span>\n        <span class=\"nx\">number<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"nx\">uint<\/span><span class=\"p\">));<\/span>\n        <span class=\"nx\">test<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">decodeStringSlot<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%B4%D9%85%D8%A7%D8%B1%D9%87_3_%D9%85%D9%88%D8%AC%D9%88%D8%AF%DB%8C_%D8%AA%D9%88%DA%A9%D9%86_ERC20_%D8%B1%D8%A7_%D8%AF%D8%B1_L1_%D8%A8%D8%AE%D9%88%D8%A7%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 \u0634\u0645\u0627\u0631\u0647 3: \u0645\u0648\u062c\u0648\u062f\u06cc \u062a\u0648\u06a9\u0646 ERC20 \u0631\u0627 \u062f\u0631 L1 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0627 \u0628\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06cc\u06a9 \u062a\u0648\u06a9\u0646 \u0646\u0633\u0628\u062a\u0627 \u0633\u0627\u062f\u0647 ERC20 \u0634\u0631\u0648\u0639 \u06a9\u0631\u062f\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: MIT<\/span>\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"mf\">0.8<\/span><span class=\"p\">.<\/span><span class=\"mi\">17<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">import<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@openzeppelin\/contracts\/token\/ERC20\/ERC20.sol<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nx\">contract<\/span> <span class=\"nx\">SimpleToken<\/span> <span class=\"nx\">is<\/span> <span class=\"nx\">ERC20<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\n        <span class=\"nx\">string<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">name<\/span><span class=\"p\">,<\/span>\n        <span class=\"nx\">string<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">symbol<\/span><span class=\"p\">,<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">initialSupply<\/span>\n    <span class=\"p\">)<\/span> <span class=\"nc\">ERC20<\/span><span class=\"p\">(<\/span><span class=\"nx\">name<\/span><span class=\"p\">,<\/span> <span class=\"nx\">symbol<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nf\">_mint<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">.<\/span><span class=\"nx\">sender<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialSupply<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">1<\/span> <span class=\"nx\">ether<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u0633\u067e\u0633\u060c \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 L2 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0622\u062f\u0631\u0633 \u062a\u0648\u06a9\u0646\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u062a\u0627\u0632\u06af\u06cc \u062f\u0631 L1 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u0645\u060c \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"c1\">\/\/ SPDX-License-Identifier: GPL-3.0<\/span>\n\n<span class=\"nx\">pragma<\/span> <span class=\"nx\">solidity<\/span> <span class=\"o\">^<\/span><span class=\"mf\">0.8<\/span><span class=\"p\">.<\/span><span class=\"mi\">20<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kr\">interface<\/span> <span class=\"nx\">IL1Blocks<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"nx\">external<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"nx\">contract<\/span> <span class=\"nx\">L2Storage<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_BLOCKS_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x5300000000000000000000000000000000000001<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">constant<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span> <span class=\"o\">=<\/span> <span class=\"mh\">0x0000000000000000000000000000000000000101<\/span><span class=\"p\">;<\/span>\n    <span class=\"nx\">address<\/span> <span class=\"nx\">immutable<\/span> <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nx\">uint<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">l1Balance<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">address<\/span> <span class=\"nx\">_l1ContractAddress<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">l1ContractAddress<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">_l1ContractAddress<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Internal functions<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">latestL1BlockNumber<\/span><span class=\"p\">()<\/span> <span class=\"kr\">public<\/span> <span class=\"nx\">view<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">uint256<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">l1BlockNum<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span><span class=\"nx\">uint<\/span> <span class=\"nx\">blockNumber<\/span><span class=\"p\">,<\/span> <span class=\"nx\">address<\/span> <span class=\"nx\">l1StorageAddress<\/span><span class=\"p\">,<\/span> <span class=\"nx\">uint<\/span> <span class=\"nx\">slot<\/span><span class=\"p\">)<\/span> <span class=\"nx\">internal<\/span> <span class=\"nf\">returns <\/span><span class=\"p\">(<\/span><span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">bool<\/span> <span class=\"nx\">success<\/span><span class=\"p\">;<\/span>\n        <span class=\"nx\">bytes<\/span> <span class=\"nx\">memory<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">(<\/span><span class=\"nx\">success<\/span><span class=\"p\">,<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">L1_SLOAD_ADDRESS<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">encodePacked<\/span><span class=\"p\">(<\/span><span class=\"nx\">blockNumber<\/span><span class=\"p\">,<\/span> <span class=\"nx\">l1StorageAddress<\/span><span class=\"p\">,<\/span> <span class=\"nx\">slot<\/span><span class=\"p\">));<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">success<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"nf\">revert<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">L1SLOAD failed<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nx\">returnValue<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Public functions<\/span>\n    <span class=\"kd\">function<\/span> <span class=\"nf\">retrieveL1Balance<\/span><span class=\"p\">(<\/span><span class=\"nx\">address<\/span> <span class=\"nx\">account<\/span><span class=\"p\">)<\/span> <span class=\"kr\">public<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">uint<\/span> <span class=\"nx\">slotNumber<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n        <span class=\"nx\">uint256<\/span> <span class=\"nx\">l1BlockNum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IL1Blocks<\/span><span class=\"p\">(<\/span><span class=\"nx\">L1_BLOCKS_ADDRESS<\/span><span class=\"p\">).<\/span><span class=\"nf\">latestBlockNumber<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">l1Balance<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"nf\">retrieveSlotFromL1<\/span><span class=\"p\">(<\/span>\n            <span class=\"nx\">l1BlockNum<\/span><span class=\"p\">,<\/span>\n            <span class=\"nx\">l1ContractAddress<\/span><span class=\"p\">,<\/span>\n            <span class=\"nf\">uint<\/span><span class=\"p\">(<\/span><span class=\"nf\">keccak256<\/span><span class=\"p\">(<\/span>\n                <span class=\"nx\">abi<\/span><span class=\"p\">.<\/span><span class=\"nf\">encodePacked<\/span><span class=\"p\">(<\/span><span class=\"nf\">uint160<\/span><span class=\"p\">(<\/span><span class=\"nx\">account<\/span><span class=\"p\">),<\/span><span class=\"nx\">slotNumber<\/span><span class=\"p\">)<\/span>\n                <span class=\"p\">)<\/span>\n            <span class=\"p\">)<\/span>\n            <span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"nx\">uint<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n<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>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\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>\u0642\u0631\u0627\u0631\u062f\u0627\u062f\u0647\u0627\u06cc OpenZeppelin \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0646\u0642\u0634\u0647 \u062a\u0639\u0627\u062f\u0644 \u062a\u0648\u06a9\u0646 \u0631\u0627 \u062f\u0631 \u0634\u06a9\u0627\u0641 0 \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>retrieveL1Balance()<\/code> \u0627\u0631\u0633\u0627\u0644 \u0622\u062f\u0631\u0633 \u062f\u0627\u0631\u0646\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0648 \u0645\u0648\u062c\u0648\u062f\u06cc \u062a\u0648\u06a9\u0646 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u062f <code>l1Balance<\/code>.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u06a9\u062f \u0645\u06cc \u0628\u06cc\u0646\u06cc\u062f\u060c \u0641\u0631\u0622\u06cc\u0646\u062f \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0627\u0633\u062a \u06a9\u0647 \u0627\u0628\u062a\u062f\u0627 \u0622\u062f\u0631\u0633 \u0631\u0627 \u0628\u0647 uint160 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0634\u06a9\u0627\u0641 \u0646\u06af\u0627\u0634\u062a \u06a9\u0647 0 \u0627\u0633\u062a\u060c \u0647\u0634 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 Solidity \u0646\u06af\u0627\u0634\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><strong>\u0628\u0627 \u062a\u0634\u06a9\u0631 \u0627\u0632 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627!<\/strong><\/p>\n<p>\u0645\u0646 \u0631\u0627 \u062f\u0631 dev.to \u0648 YouTube \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u0628\u0644\u0627\u06a9 \u0686\u06cc\u0646 \u0628\u0647 \u0632\u0628\u0627\u0646 \u0627\u0633\u067e\u0627\u0646\u06cc\u0627\u06cc\u06cc \u0645\u0631\u062a\u0628\u0637 \u0627\u0633\u062a \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u062a\u0648\u0627\u0628\u0639 \u0627\u0646\u062a\u0632\u0627\u0639 \u062d\u0633\u0627\u0628 \u0645\u062a\u0642\u0627\u0628\u0644 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0628\u0647 \u0644\u0637\u0641 Keystores \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0642\u0627\u062f\u0631 \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f \u0686\u0646\u062f\u06cc\u0646 \u06a9\u06cc\u0641 \u067e\u0648\u0644 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0647\u0648\u0634\u0645\u0646\u062f \u0631\u0627 \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0648 \u0628\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u062e\u0648\u0628 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0638\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0646\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627\u06cc \u0627\u062a\u0631\u06cc\u0648\u0645 \u0628\u0647 \u0627\u0631\u0645\u063a\u0627\u0646 \u0628\u06cc\u0627\u0648\u0631\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0627\u062a\u0641\u0627\u0642 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":66364,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media.dev.to\/cdn-cgi\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9z8baokuzuzyah2gmdmp.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-66363","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\/66363","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=66363"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/66363\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/66364"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=66363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=66363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=66363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}