{"componentChunkName":"component---node-modules-rocketseat-gatsby-theme-docs-core-src-templates-docs-query-js","path":"/code-style/ProtocolInitializationHandlerFacet-PIH","result":{"data":{"mdx":{"id":"0ad76246-327e-5a63-b3ce-66f53eda79a8","excerpt":"PIH-01C: Inexistent Support for Sequential Upgrade Type Severity Location Code Style ProtocolInitializationHandlerFacet.sol:L96 ,  L98 ,  L100 Description: The…","fields":{"slug":"/code-style/ProtocolInitializationHandlerFacet-PIH/"},"frontmatter":{"title":"ProtocolInitializationHandlerFacet Code Style Findings","description":"Contains all the findings that relate to code style on the contract codebase","image":null,"disableTableOfContents":null},"body":"var _excluded = [\"components\"];\n\nfunction _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }\n\nfunction _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }\n\nfunction _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }\n\n/* @jsxRuntime classic */\n\n/* @jsx mdx */\nvar _frontmatter = {\n  \"title\": \"ProtocolInitializationHandlerFacet Code Style Findings\",\n  \"description\": \"Contains all the findings that relate to code style on the contract codebase\"\n};\nvar layoutProps = {\n  _frontmatter: _frontmatter\n};\nvar MDXLayout = \"wrapper\";\nreturn function MDXContent(_ref) {\n  var components = _ref.components,\n      props = _objectWithoutProperties(_ref, _excluded);\n\n  return mdx(MDXLayout, _extends({}, layoutProps, props, {\n    components: components,\n    mdxType: \"MDXLayout\"\n  }), mdx(\"h2\", {\n    \"id\": \"span-idpih-01cpih-01c-inexistent-support-for-sequential-upgradespan\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h2\",\n    \"href\": \"#span-idpih-01cpih-01c-inexistent-support-for-sequential-upgradespan\",\n    \"aria-label\": \"span idpih 01cpih 01c inexistent support for sequential upgradespan permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": 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\"Location\"))), mdx(\"tbody\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"tbody\"\n  }, mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"/reports/boson-protocol-version-2.3-64c3b2cf1570d80014096fc3/appendix/finding-types#code-style\"\n  }, \"Code Style\")), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"img\", {\n    parentName: \"td\",\n    \"className\": \"o-severity o-informational\",\n    \"src\": \"https://omniscia.io/report-assets/informational.png\"\n  })), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/bosonprotocol/boson-protocol-contracts/blob/02a4d2ff04832a4607674ba37708d4f52cdac4fa/contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol#L96\"\n  }, \"ProtocolInitializationHandlerFacet.sol:L96\"), \", \", mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/bosonprotocol/boson-protocol-contracts/blob/02a4d2ff04832a4607674ba37708d4f52cdac4fa/contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol#L98\"\n  }, \"L98\"), \", \", mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/bosonprotocol/boson-protocol-contracts/blob/02a4d2ff04832a4607674ba37708d4f52cdac4fa/contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol#L100\"\n  }, \"L100\"))))), mdx(\"h3\", {\n    \"id\": \"description\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#description\",\n    \"aria-label\": \"description permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Description:\"), mdx(\"p\", null, \"The \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://github.com/bosonprotocol/boson-protocol-contracts/blob/02a4d2ff04832a4607674ba37708d4f52cdac4fa/contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol#L62-L110\"\n  }, mdx(\"inlineCode\", {\n    parentName: \"a\"\n  }, \"ProtocolInitializationHandlerFacet::initialize\")), \" function does not support upgrading a protocol from deployment directly to the latest version and instead executes the initialization of only one version.\"), mdx(\"h3\", {\n    \"id\": \"example\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#example\",\n    \"aria-label\": \"example permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Example:\"), mdx(\"pre\", null, mdx(\"code\", {\n    parentName: \"pre\",\n    \"className\": \"language-sol\",\n    \"metastring\": \"title=contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol highlight={3,5,7} lineNumbers=true lineOffset=93\",\n    \"title\": \"contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol\",\n    \"highlight\": \"{3,5,7}\",\n    \"lineNumbers\": \"true\",\n    \"lineOffset\": \"93\"\n  }, \"if (_isUpgrade) {\\n    if (_version == bytes32(\\\"2.2.0\\\")) {\\n        initV2_2_0(_initializationData);\\n    } else if (_version == bytes32(\\\"2.2.1\\\")) {\\n        initV2_2_1();\\n    } else if (_version == bytes32(\\\"2.3.0\\\")) {\\n        initV2_3_0(_initializationData);\\n    }\\n}\\n\")), mdx(\"h3\", {\n    \"id\": \"recommendation\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#recommendation\",\n    \"aria-label\": \"recommendation permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Recommendation:\"), mdx(\"p\", null, \"We advise the code to support sequential initialization of versions by executing each version-suffixed initializer in sequence.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-2b9f60b6c3323fd234b570089ceff924cdb5851c\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-2b9f60b6c3323fd234b570089ceff924cdb5851c\",\n    \"aria-label\": \"alleviation 2b9f60b6c3323fd234b570089ceff924cdb5851c permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Alleviation (2b9f60b6c3323fd234b570089ceff924cdb5851c):\"), mdx(\"p\", null, \"The Boson Protocol team evaluated this exhibit and has opted for a simpler approach instead of a sequential upgrade-path as the processing of the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"_initializationData\"), \" would become more complex during sequential upgrades.\"), mdx(\"p\", null, \"As such, we consider this exhibit as nullified given that we agree with the Boson Protocol team's assessment.\"), mdx(\"h2\", {\n    \"id\": \"span-idpih-02cpih-02c-loop-iterator-optimizationspan\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h2\",\n    \"href\": \"#span-idpih-02cpih-02c-loop-iterator-optimizationspan\",\n    \"aria-label\": \"span idpih 02cpih 02c loop iterator optimizationspan permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 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\"/reports/boson-protocol-version-2.3-64c3b2cf1570d80014096fc3/appendix/finding-types#gas-optimization\"\n  }, \"Gas Optimization\")), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"img\", {\n    parentName: \"td\",\n    \"className\": \"o-severity o-informational\",\n    \"src\": \"https://omniscia.io/report-assets/informational.png\"\n  })), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/bosonprotocol/boson-protocol-contracts/blob/02a4d2ff04832a4607674ba37708d4f52cdac4fa/contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol#L172\"\n  }, \"ProtocolInitializationHandlerFacet.sol:L172\"))))), mdx(\"h3\", {\n    \"id\": \"description-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#description-1\",\n    \"aria-label\": \"description 1 permalink\",\n    \"className\": \"anchor 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\"language-sol\",\n    \"metastring\": \"title=contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol highlight={1} lineNumbers=true lineOffset=171\",\n    \"title\": \"contracts/protocol/facets/ProtocolInitializationHandlerFacet.sol\",\n    \"highlight\": \"{1}\",\n    \"lineNumbers\": \"true\",\n    \"lineOffset\": \"171\"\n  }, \"for (uint256 i = 0; i < sellerIds.length; i++) {\\n\")), mdx(\"h3\", {\n    \"id\": \"recommendation-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#recommendation-1\",\n    \"aria-label\": \"recommendation 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Recommendation:\"), mdx(\"p\", null, \"We advise the increment / decrement operation to be performed in an \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"unchecked\"), \" code block as the last statement within the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"for\"), \" loop to optimize its execution cost.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-2b9f60b6c3323fd234b570089ceff924cdb5851c-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-2b9f60b6c3323fd234b570089ceff924cdb5851c-1\",\n    \"aria-label\": \"alleviation 2b9f60b6c3323fd234b570089ceff924cdb5851c 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Alleviation (2b9f60b6c3323fd234b570089ceff924cdb5851c):\"), mdx(\"p\", null, \"The referenced iterator is no longer present in the codebase, rendering this exhibit nullified.\"), mdx(ViewDiffButton, {\n    repoUrl: \"https://github.com/bosonprotocol/boson-protocol-contracts\",\n    mainHash: \"02a4d2ff04832a4607674ba37708d4f52cdac4fa\",\n    fixHash: \"2b9f60b6c3323fd234b570089ceff924cdb5851c\",\n    gitHubIssue: \"740\",\n    mdxType: \"ViewDiffButton\"\n  }));\n}\n;\nMDXContent.isMDXComponent = true;","headings":[{"depth":2,"value":"<span id=\"PIH-01C\">PIH-01C: Inexistent Support for Sequential Upgrade</span>"},{"depth":3,"value":"Description:"},{"depth":3,"value":"Example:"},{"depth":3,"value":"Recommendation:"},{"depth":3,"value":"Alleviation (2b9f60b6c3323fd234b570089ceff924cdb5851c):"},{"depth":2,"value":"<span id=\"PIH-02C\">PIH-02C: Loop Iterator Optimization</span>"},{"depth":3,"value":"Description:"},{"depth":3,"value":"Example:"},{"depth":3,"value":"Recommendation:"},{"depth":3,"value":"Alleviation (2b9f60b6c3323fd234b570089ceff924cdb5851c):"}]}},"pageContext":{"slug":"/code-style/ProtocolInitializationHandlerFacet-PIH/","prev":{"label":"PauseHandlerFacet.sol (PHF-C)","link":"/code-style/PauseHandlerFacet-PHF"},"next":{"label":"SellerHandlerFacet.sol (SHF-C)","link":"/code-style/SellerHandlerFacet-SHF"}}},"staticQueryHashes":["1954253342","2328931024","2501019404","973074209"]}