diff --git a/.gitignore b/.gitignore
index fa10f37..aa661c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ build/
 .DS_Store
 
 .env
+
+input.xml
+output.json
diff --git a/package-lock.json b/package-lock.json
index 071a612..b4e91cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
         "dedent-js": "^1.0.1",
         "dotenv": "^16.4.5",
         "fast-xml-parser": "^4.3.2",
+        "highwayhash": "^3.1.1",
         "koa": "^2.15.0",
         "koa-bodyparser": "^4.4.1",
         "lodash": "^4.17.21",
@@ -2522,7 +2523,6 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
       "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
-      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -2555,6 +2555,11 @@
         "node": ">= 8"
       }
     },
+    "node_modules/aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
     "node_modules/arc4": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/arc4/-/arc4-2.1.4.tgz",
@@ -2563,6 +2568,15 @@
         "node": ">=0.10"
       }
     },
+    "node_modules/are-we-there-yet": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmmirror.com/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
+      "integrity": "sha512-nxwy40TuMiUGqMyRHgCSWZ9FM4VAoRP4xUYSTv5ImRog+h9yISPbVH7H8fASCIzYn9wlEv4zvFL7uKDMCFQm3g==",
+      "dependencies": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "node_modules/arg": {
       "version": "4.1.3",
       "resolved": "https://registry.npmmirror.com/arg/-/arg-4.1.3.tgz",
@@ -2729,6 +2743,34 @@
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "dev": true
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmmirror.com/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+    },
+    "node_modules/bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmmirror.com/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "dependencies": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
+    "node_modules/bl/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmmirror.com/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -2812,6 +2854,15 @@
         "node": ">=16.20.1"
       }
     },
+    "node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmmirror.com/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/buffer-from": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -2924,6 +2975,11 @@
         "is-regex": "^1.0.3"
       }
     },
+    "node_modules/chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmmirror.com/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+    },
     "node_modules/ci-info": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
@@ -2979,6 +3035,14 @@
         "type-is": "^1.6.16"
       }
     },
+    "node_modules/code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmmirror.com/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha512-RpAVKQA5T63xEj6/giIbUEtZwJ4UFIc3ZtvEkiaUERylqe8xb5IvqcgOurZLahv93CLKfxcw5YI+DZcUBRyLXA==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/collect-v8-coverage": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/collect-v8-coverage/-/collect-v8-coverage-1.0.2.tgz",
@@ -3009,6 +3073,11 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
+    "node_modules/console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmmirror.com/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha512-ty/fTekppD2fIwRvnZAVdeOiGd1c7YXEixbgJTNzqcxJWKQnjJ/V1bNEEE6hygpM3WjwHFUVK6HTjWSzV4a8sQ=="
+    },
     "node_modules/constantinople": {
       "version": "4.0.1",
       "resolved": "https://registry.npmmirror.com/constantinople/-/constantinople-4.0.1.tgz",
@@ -3069,6 +3138,11 @@
         "cosmokit": "^1.5.2"
       }
     },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmmirror.com/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="
+    },
     "node_modules/cosmokit": {
       "version": "1.5.2",
       "resolved": "https://registry.npmmirror.com/cosmokit/-/cosmokit-1.5.2.tgz",
@@ -3133,6 +3207,17 @@
         }
       }
     },
+    "node_modules/decompress-response": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmmirror.com/decompress-response/-/decompress-response-4.2.1.tgz",
+      "integrity": "sha512-jOSne2qbyE+/r8G1VU+G/82LBs2Fs4LAsTiLSHOCOMZQl2OKZ6i8i4IyHemTe+/yIXOtTcRQMzPcgyhoFlqPkw==",
+      "dependencies": {
+        "mimic-response": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/dedent": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/dedent/-/dedent-1.5.1.tgz",
@@ -3157,6 +3242,14 @@
       "resolved": "https://registry.npmmirror.com/deep-equal/-/deep-equal-1.0.1.tgz",
       "integrity": "sha512-bHtC0iYvWhyaTzvV3CZgPeZQqCOBGyGsVV7v4eevpdkLHfiSrXUdBG+qAuSz4RI70sszvjQ1QSZ98An1yNwpSw=="
     },
+    "node_modules/deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmmirror.com/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -3207,6 +3300,17 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmmirror.com/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha512-pGjwhsmsp4kL2RTz08wcOlGN83otlqHeD/Z5T8GXZB+/YcpQ/dgo+lbU8ZsGxV0HIvqqxo9l7mqYwyYMD9bKDg==",
+      "bin": {
+        "detect-libc": "bin/detect-libc.js"
+      },
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
     "node_modules/detect-newline": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-3.1.0.tgz",
@@ -3305,8 +3409,7 @@
     "node_modules/emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-      "dev": true
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
     },
     "node_modules/encodeurl": {
       "version": "1.0.2",
@@ -3316,6 +3419,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmmirror.com/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "dependencies": {
+        "once": "^1.4.0"
+      }
+    },
     "node_modules/error-ex": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -3754,6 +3865,14 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmmirror.com/expand-template/-/expand-template-2.0.3.tgz",
+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/expect": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/expect/-/expect-29.7.0.tgz",
@@ -3956,6 +4075,11 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/fs-constants/-/fs-constants-1.0.0.tgz",
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
+    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -3984,6 +4108,64 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmmirror.com/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha512-14x4kjc6lkD3ltw589k0NrPD6cCNTD6CWoVUNpB85+DrtONoZn+Rug6xZU5RvSC4+TZPxA5AnBibQYAvZn41Hg==",
+      "dependencies": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      }
+    },
+    "node_modules/gauge/node_modules/ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmmirror.com/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha512-TIGnTpdo+E3+pCyAluZvtED5p5wCqLdezCyhPZzKPcxvFplEt4i+W7OONCKgeZFT3+y5NZZfOOS/Bdcanm1MYA==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/is-fullwidth-code-point": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+      "integrity": "sha512-1pqUqRjkhPJ9miNq9SwMfdvi6lBJcd6eFxvfaivQhaH3SgisfiuudvFntdKOmxuee/77l+FPjKrQjWvmPjWrRw==",
+      "dependencies": {
+        "number-is-nan": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/string-width": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/string-width/-/string-width-1.0.2.tgz",
+      "integrity": "sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==",
+      "dependencies": {
+        "code-point-at": "^1.0.0",
+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmmirror.com/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==",
+      "dependencies": {
+        "ansi-regex": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/gensync": {
       "version": "1.0.0-beta.2",
       "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -4047,6 +4229,11 @@
         "resolve-pkg-maps": "^1.0.0"
       }
     },
+    "node_modules/github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmmirror.com/github-from-package/-/github-from-package-0.0.0.tgz",
+      "integrity": "sha512-SyHy3T1v2NUXn29OsWdxmK6RwHD+vkj3v8en8AOBZ1wBQ/hCAQ5bAQTD02kW4W9tUp/3Qh6J8r9EvntiyCmOOw=="
+    },
     "node_modules/glob": {
       "version": "7.2.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
@@ -4177,6 +4364,11 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmmirror.com/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha512-8Rf9Y83NBReMnx0gFzA8JImQACstCYWUplepDa9xprwwtmgEZUF0h/i5xSA625zB/I37EtrswSST6OXxwaaIJQ=="
+    },
     "node_modules/hasown": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.0.tgz",
@@ -4188,6 +4380,19 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/highwayhash": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/highwayhash/-/highwayhash-3.1.1.tgz",
+      "integrity": "sha512-FjsF/X47Q9+y7TJ+xjZxcNaOGhrGJTg5AFedEpNYate5GB5ezXeG3tqMjsuZ99R2If9xDdQQRCrka6hRC7J82g==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "node-addon-api": "^3.1.0",
+        "prebuild-install": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/html-escaper": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
@@ -4249,6 +4454,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmmirror.com/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+    },
     "node_modules/ignore": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.0.tgz",
@@ -4325,6 +4535,11 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "node_modules/ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmmirror.com/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
+    },
     "node_modules/is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -4375,7 +4590,6 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
       "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -4459,6 +4673,11 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
+    },
     "node_modules/isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -5452,6 +5671,14 @@
         "node": ">=6"
       }
     },
+    "node_modules/mimic-response": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmmirror.com/mimic-response/-/mimic-response-2.1.0.tgz",
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       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -5464,6 +5691,11 @@
         "node": "*"
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+      "resolved": "https://registry.npmmirror.com/minimist/-/minimist-1.2.8.tgz",
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@@ -5473,6 +5705,11 @@
         "node": ">=16 || 14 >=14.17"
       }
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+      "resolved": "https://registry.npmmirror.com/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
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+    },
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       "resolved": "https://registry.npmmirror.com/mongodb/-/mongodb-6.4.0.tgz",
@@ -5532,6 +5769,11 @@
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+    "node_modules/napi-build-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/napi-build-utils/-/napi-build-utils-1.0.2.tgz",
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@@ -5546,6 +5788,27 @@
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+      "resolved": "https://registry.npmmirror.com/node-abi/-/node-abi-2.30.1.tgz",
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+      "dependencies": {
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+      }
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+    "node_modules/node-abi/node_modules/semver": {
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+      "resolved": "https://registry.npmmirror.com/semver/-/semver-5.7.2.tgz",
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
+      "bin": {
+        "semver": "bin/semver"
+      }
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+    "node_modules/node-addon-api": {
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+      "resolved": "https://registry.npmmirror.com/node-addon-api/-/node-addon-api-3.2.1.tgz",
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@@ -5579,6 +5842,25 @@
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+      "resolved": "https://registry.npmmirror.com/npmlog/-/npmlog-4.1.2.tgz",
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+        "gauge": "~2.7.3",
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+      "resolved": "https://registry.npmmirror.com/number-is-nan/-/number-is-nan-1.0.1.tgz",
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       "resolved": "https://registry.npmmirror.com/object-assign/-/object-assign-4.1.1.tgz",
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-      "dev": true,
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@@ -5888,6 +6169,32 @@
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+      "resolved": "https://registry.npmmirror.com/prebuild-install/-/prebuild-install-6.1.4.tgz",
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+        "npmlog": "^4.0.1",
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+        "rc": "^1.2.7",
+        "simple-get": "^3.0.3",
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+        "tunnel-agent": "^0.6.0"
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@@ -5938,6 +6245,11 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
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@@ -6071,6 +6383,15 @@
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+      "version": "3.0.0",
+      "resolved": "https://registry.npmmirror.com/pump/-/pump-3.0.0.tgz",
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@@ -6163,12 +6484,53 @@
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+      "resolved": "https://registry.npmmirror.com/rc/-/rc-1.2.8.tgz",
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+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
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+      "resolved": "https://registry.npmmirror.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
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+    "node_modules/readable-stream": {
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+      "resolved": "https://registry.npmmirror.com/readable-stream/-/readable-stream-2.3.8.tgz",
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+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
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@@ -6405,6 +6767,11 @@
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       "dev": true
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmmirror.com/set-blocking/-/set-blocking-2.0.0.tgz",
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       "resolved": "https://registry.npmmirror.com/set-function-length/-/set-function-length-1.2.2.tgz",
@@ -6464,8 +6831,22 @@
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/simple-concat/-/simple-concat-1.0.1.tgz",
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+    },
+    "node_modules/simple-get": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/simple-get/-/simple-get-3.1.1.tgz",
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+        "once": "^1.3.1",
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+      }
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     "node_modules/sisteransi": {
       "version": "1.0.5",
@@ -6544,6 +6925,19 @@
         "node": ">= 0.6"
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+      "resolved": "https://registry.npmmirror.com/string_decoder/-/string_decoder-1.1.1.tgz",
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+      "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.1.2.tgz",
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+    },
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@@ -6561,7 +6955,6 @@
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@@ -6590,7 +6983,6 @@
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       },
@@ -6669,6 +7061,45 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+    "node_modules/tar-fs": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmmirror.com/tar-fs/-/tar-fs-2.1.1.tgz",
+      "integrity": "sha512-V0r2Y9scmbDRLCNex/+hYzvp/zyYjvFbHPNgVTKfQvVrb6guiE/fxP+XblDNR011utopbkex2nM4dHNV6GDsng==",
+      "dependencies": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.1.4"
+      }
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+    "node_modules/tar-stream": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmmirror.com/tar-stream/-/tar-stream-2.2.0.tgz",
+      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
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+        "bl": "^4.0.3",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      },
+      "engines": {
+        "node": ">=6"
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+    "node_modules/tar-stream/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmmirror.com/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
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@@ -6908,6 +7339,17 @@
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     },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmmirror.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
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+      },
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@@ -7019,6 +7461,11 @@
         "punycode": "^2.1.0"
       }
     },
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+      "resolved": "https://registry.npmmirror.com/util-deprecate/-/util-deprecate-1.0.2.tgz",
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+    },
     "node_modules/v8-compile-cache-lib": {
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@@ -7101,6 +7548,14 @@
         "node": ">= 8"
       }
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+      "resolved": "https://registry.npmmirror.com/wide-align/-/wide-align-1.1.5.tgz",
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+      "dependencies": {
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@@ -7153,8 +7608,7 @@
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-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "dev": true
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
     },
     "node_modules/write-file-atomic": {
       "version": "4.0.2",
diff --git a/package.json b/package.json
index f230b2e..023e99d 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,8 @@
     "lint:fix": "eslint . --ext .ts --ext .mts --fix",
     "test": "jest --coverage",
     "prettier": "prettier --config .prettierrc --write .",
-    "test:watch": "jest --watch"
+    "test:watch": "jest --watch",
+    "xmltojson": "tsx src/tool/xml-to-json.ts"
   },
   "author": "GEEKiDoS",
   "license": "MIT",
@@ -53,6 +54,7 @@
     "dedent-js": "^1.0.1",
     "dotenv": "^16.4.5",
     "fast-xml-parser": "^4.3.2",
+    "highwayhash": "^3.1.1",
     "koa": "^2.15.0",
     "koa-bodyparser": "^4.4.1",
     "lodash": "^4.17.21",
diff --git a/src/apis/p2d/index.ts b/src/apis/p2d/index.ts
index 594af28..12aaca4 100644
--- a/src/apis/p2d/index.ts
+++ b/src/apis/p2d/index.ts
@@ -2,8 +2,8 @@ import { Logger } from "@cordisjs/logger";
 import Router from "@koa/router";
 import { Context } from "../index.js";
 import { UserService } from "../../services/p2d/user.js";
-import { PlayerCustomizeSetting, PlayerRivalData } from "../../types/index.js";
-import { RivalPatch, RivalPostOrDelete } from "../../types/api.js";
+import { PlayerCustomizeSetting, PlayerRivalData } from "../../types/p2d/index.js";
+import { RivalPatch, RivalPostOrDelete } from "../../types/p2d/api.js";
 
 const logger = new Logger('p2d-api');
 const router = new Router({
diff --git a/src/controllers/p2d/music.ts b/src/controllers/p2d/music.ts
index b7376fc..74a0089 100644
--- a/src/controllers/p2d/music.ts
+++ b/src/controllers/p2d/music.ts
@@ -1,4 +1,4 @@
-import { PlayerPlayLog } from "../../types/index.js";
+import { PlayerPlayLog } from "../../types/p2d/index.js";
 import { p2d } from "../../decorators/eacnet.js";
 import { UserService } from "../../services/p2d/user.js";
 import { Context } from "../../types.js";
@@ -62,7 +62,7 @@ export class Music {
           ghost_data: v.bin(Buffer.from(playlog.ghost.buffer)),
           dj_name: v.str(djname),
           best_option: {
-            valid: v.bool(1),
+            valid: v.bool(true),
             arrange_0: v.s32(playlog.arrange_0),
             arrange_1: v.s32(playlog.arrange_1),
             assist: v.s32(playlog.assist),
diff --git a/src/controllers/p2d/user.ts b/src/controllers/p2d/user.ts
index 7db4f75..07f9803 100644
--- a/src/controllers/p2d/user.ts
+++ b/src/controllers/p2d/user.ts
@@ -1,7 +1,7 @@
 import { p2d } from "../../decorators/eacnet.js";
 import { Context } from "../../types.js";
 import { v } from "../../utils/kxml-value.js";
-import { fromToken } from "../../utils/laochan-id.js";
+import { tokenToInfinitasId } from "../../utils/laochan-id.js";
 import { UserService } from "../../services/p2d/user.js";
 import { sha256 } from "../../utils/sha256.js";
 import { toKBinXml } from "../../utils/kbinxml.js";
@@ -212,7 +212,7 @@ export class User {
     const { check_sum } = ctx.body as { check_sum: string };
 
     const checksum = await this.userService.getPDataChecksum(ctx.token);
-    const id = fromToken(ctx.token);
+    const id = tokenToInfinitasId(ctx.token);
 
     if (!checksum) {
       return {
diff --git a/src/controllers/sdvx/ac-relay.ts b/src/controllers/sdvx/ac-relay.ts
index 7bb5330..f918ed1 100644
--- a/src/controllers/sdvx/ac-relay.ts
+++ b/src/controllers/sdvx/ac-relay.ts
@@ -1,11 +1,11 @@
 import { sdvx } from "../../decorators/eacnet.js";
 import { Context } from "../../types.js";
-import { v } from "../../utils/kxml-value.js";
+import { Serializable, v } from "../../utils/kxml-value.js";
 import * as data from '../../datas/sdvx.js';
 
 export class AcRelay {
   @sdvx()
-  async sv6_music_url(ctx: Context) {
+  async sv6_music_url(ctx: Context): Promise<Serializable> {
     let { music_id } = ctx.body as { music_id: number | number[] };
     if (typeof music_id === 'number') {
       music_id = [music_id];
diff --git a/src/controllers/sdvx/index.ts b/src/controllers/sdvx/index.ts
index 2d4a44d..08465dd 100644
--- a/src/controllers/sdvx/index.ts
+++ b/src/controllers/sdvx/index.ts
@@ -1,61 +1,24 @@
 import { sdvx } from "../../decorators/eacnet.js";
 import { Combine } from "../../utils/combine.js";
 import config from "../../utils/config.js";
-import { v } from "../../utils/kxml-value.js";
+import { Serializable, v } from "../../utils/kxml-value.js";
 import { AcRelay } from "./ac-relay.js";
+import { UserService } from "../../services/sdvx/user.js";
+import { inject, singleton } from "tsyringe";
+import { User } from "./user.js";
 
-export default class extends Combine(AcRelay) {
-  @sdvx()
-  async getItemList() {
-    return {
-      status: v.s32(0),
-      error_code: v.s32(0),
-      response: {
-        item_num: v.s32(0),
-      }
-    };
+@singleton()
+export default class extends Combine(AcRelay, User) {
+  constructor(
+    @inject(UserService) private readonly userService: UserService,
+  ) {
+    super();
+
+    this.userService;
   }
 
   @sdvx()
-  async getGoodsList() {
-    return {
-      status: v.s32(0),
-      error_code: v.s32(0),
-      response: {
-        goods_num: v.s32(0),
-      }
-    };
-  }
-
-  @sdvx()
-  async getUserIDs() {
-    return {
-      status: v.s32(0),
-      error_code: v.s32(0),
-      response: {
-        card_num: v.str('0123456789ABCDEF'),
-        ref_id: v.str('0123456789ABCDEF'),
-        data_id: v.str('0123456789ABCDEF'),
-        sns_id: v.str('012345678'),
-      }
-    };
-  }
-
-  @sdvx()
-  async getSubscriptionStatus() {
-    return {
-      status: v.s32(0),
-      error_code: v.s32(0),
-      response: {
-        subscription: {
-          name: v.str('test'),
-        },
-      }
-    };
-  }
-
-  @sdvx()
-  async heartbeat() {
+  async heartbeat(): Promise<Serializable> {
     return {
       status: v.s32(0),
       error_code: v.s32(0),
@@ -72,7 +35,7 @@ export default class extends Combine(AcRelay) {
   }
 
   @sdvx()
-  async checkVersion() {
+  async checkVersion(): Promise<Serializable> {
     return {
       status: v.s32(0),
       error_code: v.s32(0),
@@ -83,7 +46,7 @@ export default class extends Combine(AcRelay) {
   }
 
   @sdvx()
-  async getServerClock() {
+  async getServerClock(): Promise<Serializable> {
     return {
       status: v.s32(0),
       error_code: v.s32(0),
@@ -94,7 +57,7 @@ export default class extends Combine(AcRelay) {
   }
 
   @sdvx()
-  async getServerState() {
+  async getServerState(): Promise<Serializable> {
     return {
       status: v.s32(0),
       error_code: v.s32(0),
@@ -107,7 +70,7 @@ export default class extends Combine(AcRelay) {
   }
 
   @sdvx('SHIFT_JIS')
-  async getServices() {
+  async getServices(): Promise<Serializable> {
     return {
       status: v.s32(0),
       error_code: v.s32(0),
diff --git a/src/controllers/sdvx/user.ts b/src/controllers/sdvx/user.ts
new file mode 100644
index 0000000..afbff1f
--- /dev/null
+++ b/src/controllers/sdvx/user.ts
@@ -0,0 +1,218 @@
+import * as data from '../../datas/sdvx.js';
+import { tokenToCardNumber, tokenToHash, tokenToSnsId } from "../../utils/laochan-id.js";
+import { Context } from "../../types.js";
+import { sdvx } from '../../decorators/eacnet.js';
+import { KValueG, Serializable, ValueTypes, v } from '../../utils/kxml-value.js';
+import { UserService } from '../../services/sdvx/user.js';
+
+function trySave<T>(kvalue: KValueG<ValueTypes, T>, value: T) {
+  if (value === undefined || value === null)
+    return;
+
+  kvalue.__value = value;
+}
+
+function tryAdd(kvalue: KValueG<ValueTypes, number>, value: number) {
+  if (value === undefined || value === null)
+    return;
+
+  if (kvalue.__value instanceof Array)
+    return;
+
+  kvalue.__value += value;
+}
+
+export class User {
+  userService: UserService;
+
+  @sdvx()
+  async sv6_save(ctx: Context): Promise<Serializable> {
+    const playData = await this.userService.getPlayerData(ctx.token);
+    if (!playData) {
+      return {
+        status: v.s32(0),
+        error_code: v.s32(0),
+        xrpc_status_code: v.s32(1),
+        xrpc_fault_code: v.s32(404),
+      };
+    }
+
+    const newData = ctx.body;
+
+    trySave(playData.skill_level, newData.skill_level);
+    trySave(playData.skill_base_id, newData.skill_base_id);
+    trySave(playData.skill_name_id, newData.skill_name_id);
+
+    tryAdd(playData.blaster_energy, newData.earned_blaster_energy);
+    tryAdd(playData.gamecoin_packet, newData.earned_gamecoin_packet);
+    tryAdd(playData.gamecoin_block, newData.earned_gamecoin_block);
+
+    trySave(playData.hispeed, newData.hispeed);
+    trySave(playData.lanespeed, newData.lanespeed);
+    trySave(playData.gauge_option, newData.gauge_option);
+    trySave(playData.ars_option, newData.ars_option);
+    trySave(playData.notes_option, newData.notes_option);
+    trySave(playData.early_late_disp, newData.early_late_disp);
+    trySave(playData.draw_adjust, newData.draw_adjust);
+    trySave(playData.eff_c_left, newData.eff_c_left);
+    trySave(playData.eff_c_right, newData.eff_c_right);
+    trySave(playData.last_music_id, newData.music_id);
+    trySave(playData.last_music_type, newData.music_type);
+    trySave(playData.sort_type, newData.sort_type);
+    trySave(playData.narrow_down, newData.narrow_down);
+    trySave(playData.headphone, newData.headphone);
+
+    if (newData.item?.info instanceof Array) {
+      playData.item.info = [
+        ...(playData.item.info ?? []),
+        ...newData.item.info.map((info: { id: number; type: number; param: number; }) => ({
+          id: v.u8(info.id),
+          type: v.u32(info.type),
+          param: v.u32(info.param),
+        }))
+      ]
+    }
+
+    if (newData.item_infinite?.info instanceof Array) {
+      playData.item_infinite.info = [
+        ...(playData.item_infinite.info ?? []),
+        ...newData.item_infinite.info.map((info: { id: number; type: number; param: number; }) => ({
+          id: v.u8(info.id),
+          type: v.u32(info.type),
+          param: v.u32(info.param),
+        }))
+      ]
+    }
+
+    if (newData.param?.info instanceof Array) {
+      playData.param.info = [
+        ...(playData.param.info ?? []),
+        ...newData.param.info.map((info: { id: number; type: number; param: number; }) => ({
+          id: v.u8(info.id),
+          type: v.u32(info.type),
+          param: v.u32(info.param),
+        }))
+      ]
+    }
+
+    await this.userService.savePlayerData(ctx.token, playData);
+
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      xrpc_status_code: v.s32(0),
+      xrpc_fault_code: v.s32(0),
+      response: {
+        game: { $status: 0 },
+      }
+    };
+  }
+
+  @sdvx()
+  async sv6_new(ctx: Context): Promise<Serializable> {
+    await this.userService.createEmptyPlayerData(ctx.token, ctx.body.name);
+
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      xrpc_status_code: v.s32(0),
+      xrpc_fault_code: v.s32(0),
+      response: {
+        game: {
+          $status: 0,
+        }
+      }
+    };
+  }
+
+  @sdvx()
+  async sv6_load(ctx: Context): Promise<Serializable> {
+    const playData = await this.userService.getPlayerData(ctx.token);
+
+    if (!playData) {
+      return {
+        status: v.s32(0),
+        error_code: v.s32(0),
+        xrpc_status_code: v.s32(0),
+        xrpc_fault_code: v.s32(0),
+        response: {
+          game: {
+            $status: 0,
+            result: v.u8(1),
+          }
+        }
+      }
+    }
+
+    // update blaster pass date
+    playData.ea_shop.blaster_pass_limit_date = v.u64(new Date().valueOf() + (30 * 60 * 60 * 1000));
+
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      xrpc_status_code: v.s32(0),
+      xrpc_fault_code: v.s32(0),
+      response: {
+        game: {
+          $status: 0,
+          ...playData,
+        }
+      }
+    };
+  }
+
+  @sdvx()
+  async getItemList(): Promise<Serializable> {
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      response: {
+        item_num: v.s32(data.itemList.length),
+        item: data.itemList.map(id => ({
+          item_id: v.str(id),
+          not_free_count: v.s32(1),
+          free_count: v.s32(0),
+        })),
+      }
+    };
+  }
+
+  @sdvx()
+  async getGoodsList(): Promise<Serializable> {
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      response: {
+        goods_num: v.s32(0),
+      }
+    };
+  }
+
+  @sdvx()
+  async getUserIDs(ctx: Context): Promise<Serializable> {
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      response: {
+        card_num: v.str(tokenToCardNumber(ctx.token)),
+        ref_id: v.str(tokenToHash(ctx.token)),
+        data_id: v.str(tokenToHash(ctx.token)),
+        sns_id: v.str(tokenToSnsId(ctx.token)),
+      }
+    };
+  }
+
+  @sdvx()
+  async getSubscriptionStatus(): Promise<Serializable> {
+    return {
+      status: v.s32(0),
+      error_code: v.s32(0),
+      response: {
+        subscription: {
+          name: v.str('eac_sdvx_basic'),
+        },
+      }
+    };
+  }
+
+}
diff --git a/src/database.ts b/src/database.ts
index 01c0d4e..9a40ff0 100644
--- a/src/database.ts
+++ b/src/database.ts
@@ -1,9 +1,9 @@
 import { Logger } from "@cordisjs/logger";
 import { MongoClient } from "mongodb";
 import config from "./utils/config.js";
-import { PlayerPlayData } from "./types/index.js";
+import { PlayerPlayData } from "./types/p2d/index.js";
 import { fromKBinXml } from "./utils/kbinxml.js";
-import { Pdata } from "./types/pdata.js";
+import { Pdata } from "./types/p2d/pdata.js";
 
 interface DatabaseMeta {
   version: number;
diff --git a/src/datas/sdvx.ts b/src/datas/sdvx.ts
index 3abaef5..93026ec 100644
--- a/src/datas/sdvx.ts
+++ b/src/datas/sdvx.ts
@@ -1,3 +1,5 @@
+import { v } from "../utils/kxml-value.js";
+
 export const musicDownloadLinks: Record<number, { url: string, hash: string, size: number }> = {
   [1]: {
     url: "https://dks1q2aivwkd6.cloudfront.net/vi/downloads/m_data/5bd191e2-8331-42e9-afbc-ddeda989cae9.bin",
@@ -8285,3 +8287,45 @@ export const musicDownloadLinks: Record<number, { url: string, hash: string, siz
     size: 3790208
   }
 };
+
+export const itemList = [
+  'I1010004',
+  'I1010003',
+  'I1010002',
+  'I1010001',
+  'I1010008',
+  'I1010007',
+  'I1010006',
+  'I1010005',
+  'I1010012',
+  'I1010011',
+  'I1010010',
+  'I1010009',
+  'I1010016',
+  'I1010015',
+  'I1010014',
+  'I1010013',
+  'I1010020',
+  'I1010019',
+  'I1010018',
+  'I1010017',
+  'I1010024',
+  'I1010023',
+  'I1010022',
+  'I1010021',
+  'I1010028',
+  'I1010027',
+  'I1010026',
+  'I1010025',
+  'I1010031',
+  'I1010030',
+  'I1010029',
+];
+
+export const charaItems = [...new Array(46).keys()].map((i) => ({
+  type: v.u8(11),
+  id: v.u32(i),
+  param: v.u32(10),
+}));
+
+console.log(charaItems)
diff --git a/src/services/p2d/user.ts b/src/services/p2d/user.ts
index 8a3bc65..369e0fc 100644
--- a/src/services/p2d/user.ts
+++ b/src/services/p2d/user.ts
@@ -1,14 +1,11 @@
 import { Binary, Db } from "mongodb";
 import { inject, injectable } from "tsyringe";
-import { PlayerPlayData, PlayerMusicData, PlayerPlayLog, PlayerCourseLog, PlayerCustomizeSetting, PlayerRivalData } from "../../types/index.js";
-import { Pdata } from "../../types/pdata.js";
+import { PlayerPlayData, PlayerMusicData, PlayerPlayLog, PlayerCourseLog, PlayerCustomizeSetting, PlayerRivalData } from "../../types/p2d/index.js";
+import { Pdata } from "../../types/p2d/pdata.js";
 import { fromKBinXml } from "../../utils/kbinxml.js";
 
 @injectable()
 export class UserService {
-  /**
-   *
-   */
   constructor(
     @inject(Db)
     private readonly db: Db,
diff --git a/src/services/sdvx/user.ts b/src/services/sdvx/user.ts
new file mode 100644
index 0000000..c29d98f
--- /dev/null
+++ b/src/services/sdvx/user.ts
@@ -0,0 +1,114 @@
+import { Binary, Db, FindOptions } from "mongodb";
+import { inject, injectable } from "tsyringe";
+import { PlayerPlayData } from "../../types/sdvx/index.js";
+import { tokenToCardNumber, tokenToSdvxId } from "../../utils/laochan-id.js";
+import { v } from "../../utils/kxml-value.js";
+import { dateToString } from "../../utils/time.js";
+import * as data from '../../datas/sdvx.js'
+import { brotliCompress, brotliDecompress } from "zlib";
+import { promisify } from "util";
+import { SaveData } from "../../types/sdvx/savedata.js";
+
+@injectable()
+export class UserService {
+  constructor(
+    @inject(Db)
+    private readonly db: Db,
+  ) { }
+
+  get playDataCol() {
+    return this.db.collection<PlayerPlayData>('sdvx_player_data');
+  }
+
+  async hasPlayerData(token: string) {
+    return !!await this.playDataCol.countDocuments({ _id: token });
+  }
+
+  async savePlayerData(token: string, data: SaveData, name?: string) {
+    const bin = await promisify(brotliCompress)(JSON.stringify(data));
+    const $set = {
+      save_data: new Binary(bin),
+    };
+
+    if (name) {
+      $set['name'] = name;
+    }
+
+    return this.playDataCol.updateOne({ _id: token }, { $set }, { upsert: true })
+  }
+
+  async getPlayerData(token: string, options?: FindOptions): Promise<SaveData | undefined> {
+    const result = await this.playDataCol.findOne({ _id: token }, options);
+    if (!result)
+      return undefined;
+
+    const decompressed = await promisify(brotliDecompress)(result.save_data.buffer)
+    return JSON.parse(decompressed.toString('utf-8'));
+  }
+
+  async createEmptyPlayerData(token: string, name: string) {
+    const save_data: SaveData = {
+      code: v.str(tokenToCardNumber(token)),
+      name: v.str(name),
+      sdvx_id: v.str(tokenToSdvxId(token)),
+      creator_id: v.u32(0),
+      gamecoin_block: v.u32(0),
+      gamecoin_packet: v.u32(0),
+      blaster_energy: v.u32(0),
+      blaster_count: v.u32(0),
+      appeal_id: v.u16(0),
+      skill_level: v.s16(0),
+      skill_base_id: v.s16(0),
+      skill_name_id: v.s16(0),
+
+      hispeed: v.s32(0),
+      lanespeed: v.u32(0),
+      gauge_option: v.u8(0),
+      ars_option: v.u8(0),
+      notes_option: v.u8(0),
+      early_late_disp: v.u8(0),
+      draw_adjust: v.s32(0),
+      eff_c_left: v.u8(0),
+      eff_c_right: v.u8(0),
+      last_music_id: v.s32(0),
+      last_music_type: v.u8(0),
+      sort_type: v.u8(0),
+      narrow_down: v.u8(0),
+      headphone: v.u8(0),
+
+      play_count: v.u32(0),
+      day_count: v.u32(0),
+      today_count: v.u32(0),
+      play_chain: v.u32(0),
+      max_play_chain: v.u32(0),
+      week_count: v.u32(0),
+      week_play_count: v.u32(0),
+      week_chain: v.u32(0),
+      max_week_chain: v.u32(0),
+
+      last_date: v.str(dateToString(new Date())),
+      start_date: v.str(dateToString(new Date())),
+
+      item: {
+        info: [
+          ...data.charaItems,
+        ]
+      },
+      item_cloud: {},
+      item_infinite: {},
+      skill: {},
+      param: {},
+      present: {},
+      cloud: {
+        relation: v.s8(1),
+      },
+      ea_shop: {
+        blaster_pass_enable: v.bool(true),
+        blaster_pass_limit_date: v.u64(0),
+        shop_item: {},
+      },
+    };
+
+    return this.savePlayerData(token, save_data, name);
+  }
+}
diff --git a/src/tool/xml-to-json.ts b/src/tool/xml-to-json.ts
new file mode 100644
index 0000000..f2377d5
--- /dev/null
+++ b/src/tool/xml-to-json.ts
@@ -0,0 +1,9 @@
+import { readFileSync, writeFileSync } from "fs";
+import { toObject, parser } from "../utils/kbinxml.js";
+
+const xml = readFileSync('input.xml', 'utf-8');
+
+const parsedXml = parser.parse(xml);
+const obj = toObject(parsedXml);
+
+writeFileSync('output.json', JSON.stringify(obj, undefined, 2));
diff --git a/src/types/api.ts b/src/types/p2d/api.ts
similarity index 100%
rename from src/types/api.ts
rename to src/types/p2d/api.ts
diff --git a/src/types/index.ts b/src/types/p2d/index.ts
similarity index 100%
rename from src/types/index.ts
rename to src/types/p2d/index.ts
diff --git a/src/types/pdata.ts b/src/types/p2d/pdata.ts
similarity index 100%
rename from src/types/pdata.ts
rename to src/types/p2d/pdata.ts
diff --git a/src/types/sdvx/index.ts b/src/types/sdvx/index.ts
new file mode 100644
index 0000000..1bfd086
--- /dev/null
+++ b/src/types/sdvx/index.ts
@@ -0,0 +1,7 @@
+import { Binary } from "mongodb";
+
+export interface PlayerPlayData {
+  _id: string;
+  name: string;
+  save_data: Binary;
+}
diff --git a/src/types/sdvx/savedata.ts b/src/types/sdvx/savedata.ts
new file mode 100644
index 0000000..2177b70
--- /dev/null
+++ b/src/types/sdvx/savedata.ts
@@ -0,0 +1,86 @@
+import { KBoolean, KS16, KS32, KS8, KString, KU16, KU32, KU64, KU8 } from "../../utils/kxml-value.js";
+
+export interface SaveData {
+  code: KString;
+  name: KString;
+  sdvx_id: KString;
+
+  creator_id: KU32;
+
+  gamecoin_packet: KU32;
+  gamecoin_block: KU32;
+
+  blaster_energy: KU32;
+  blaster_count: KU32;
+
+  appeal_id: KU16;
+
+  skill_level: KS16;
+  skill_base_id: KS16;
+  skill_name_id: KS16;
+
+  hispeed: KS32;
+  lanespeed: KU32;
+  gauge_option: KU8;
+  ars_option: KU8;
+  notes_option: KU8;
+  early_late_disp: KU8;
+  draw_adjust: KS32;
+  eff_c_left: KU8;
+  eff_c_right: KU8;
+  last_music_id: KS32;
+  last_music_type: KU8;
+  sort_type: KU8;
+  narrow_down: KU8;
+  headphone: KU8;
+
+  play_count: KU32;
+  day_count: KU32;
+  today_count: KU32;
+  play_chain: KU32;
+  max_play_chain: KU32;
+  week_count: KU32;
+  week_play_count: KU32;
+  week_chain: KU32;
+  max_week_chain: KU32;
+  last_date: KString;
+  start_date: KString;
+
+  item: { info?: Item[] };
+  item_cloud: { info?: Item[] };
+  item_infinite: { info?: Item[] };
+
+  skill: { course?: Course[] };
+
+  param: { info?: Item[] };
+
+  present: { info?: Item[] };
+  cloud: { relation: KS8 };
+  ea_shop: EaShop;
+}
+
+export interface Course {
+  ssnid: KS16;
+  crsid: KS16;
+  st: KS16;
+  sc: KS32;
+  ex: KS32;
+  ct: KS16;
+  gr: KS16;
+  ar: KS16;
+  cnt: KS16;
+}
+
+export interface EaShop {
+  blaster_pass_enable: KBoolean;
+  blaster_pass_limit_date: KU64;
+  shop_item: {
+    item?: Item[];
+  }
+}
+
+export interface Item {
+  type: KU8;
+  id: KU32;
+  param: KU32;
+}
diff --git a/src/utils/kbinxml.ts b/src/utils/kbinxml.ts
index ae3a8f9..f3e1c55 100644
--- a/src/utils/kbinxml.ts
+++ b/src/utils/kbinxml.ts
@@ -1,8 +1,9 @@
 import { to_bin, to_xml } from "@kamyu/kbinxml";
 import { XMLParser } from "fast-xml-parser";
 import _ from "lodash";
+import { Serializable } from "./kxml-value.js";
 
-const parser = new XMLParser({
+export const parser = new XMLParser({
   ignoreAttributes: false,
   parseAttributeValue: false,
   attributeNamePrefix: '$',
@@ -67,7 +68,7 @@ function parseValue(node: { $__type: string; $__count?: unknown }): any {
   };
 }
 
-function toObject(node: Record<string, unknown> | unknown[] | string): any {
+export function toObject(node: Record<string, unknown> | unknown[] | string): any {
   if (node instanceof Array) {
     return node.map((v) => toObject(v as Record<string, unknown>));
   }
@@ -152,7 +153,7 @@ function serializeValue(value: any, type: string): string {
   throw new Error(`unsupported type ${type}`);
 }
 
-function serializeObject(obj: Object, name: string, linePrefix: string = '') {
+function serializeObject(obj: Serializable, name: string, linePrefix: string = '') {
   let output = `${linePrefix}<${name}`;
 
   const entries = Object.entries(obj);
@@ -175,12 +176,19 @@ function serializeObject(obj: Object, name: string, linePrefix: string = '') {
   attrs.sort((a, b) => a[0] < b[0] ? 1 : (a[0] > b[0] ? -1 : 0));
 
   for (const attr of attrs) {
+    if (attr[1] === undefined)
+      continue;
+
     output += ` ${attr[0]}="${_.escape(attr[1])}"`;
   }
 
   output += '>';
 
   if (value) {
+    if (value[1] === undefined) {
+      return '';
+    }
+
     const type = attrs.find(v => v[0] == '__type');
 
     if (!type) {
@@ -217,7 +225,7 @@ function serializeObject(obj: Object, name: string, linePrefix: string = '') {
   return output + `</${name}>\n`;
 }
 
-export function toKBinXml(topName: string, obj: unknown, encoding: 'UTF-8' | 'SHIFT_JIS' = 'UTF-8') {
+export function toKBinXml(topName: string, obj: Serializable, encoding: 'UTF-8' | 'SHIFT_JIS' = 'UTF-8') {
   const xml = `<?xml version="1.0" encoding="${encoding}"?>` + serializeObject(obj, topName);
   return to_bin(xml);
 }
diff --git a/src/utils/kxml-value.ts b/src/utils/kxml-value.ts
index 104ca85..90d09b0 100644
--- a/src/utils/kxml-value.ts
+++ b/src/utils/kxml-value.ts
@@ -14,8 +14,40 @@ export type ValueTypes = 's8' |
   'str' | 'string' |
   'time';
 
-function vg(type: ValueTypes) {
-  return (value: unknown, attrs?: object) => {
+export type KValueG<T extends ValueTypes, VT = unknown> = {
+  $__type: T;
+  __value: VT | VT[];
+} & Record<string, unknown>;
+
+export type KS8 = KValueG<'s8', number>;
+export type KU8 = KValueG<'u8', number>;
+export type KS16 = KValueG<'s16', number>;
+export type KU16 = KValueG<'u16', number>;
+export type KS32 = KValueG<'s32', number>;
+export type KU32 = KValueG<'u32', number>;
+export type KS64 = KValueG<'s64', number>;
+export type KU64 = KValueG<'u64', number>;
+export type KFloat = KValueG<'float', number>;
+export type KDouble = KValueG<'double', number>;
+export type KBoolean = KValueG<'bool', boolean> | KValueG<'b', boolean>;
+export type KBinary = KValueG<'bin', Buffer> | KValueG<'binary', Buffer>;
+export type KString = KValueG<'str', string> | KValueG<'string', string>;
+export type KIPv4 = KValueG<'ip4', string>;
+export type KTime = KValueG<'time', Date | number>;
+export type KValue = KS8 | KU8 | KS16 | KU16 | KS32 | KS64 | KU64 | KFloat | KDouble | KBoolean | KBinary | KString | KIPv4 | KTime;
+
+type AttributeProperty<T> = {
+  [K in keyof T as K extends string ? `$${K}` : never]: T[K]
+}
+
+export type Serializable = {
+  [key: string]: KValue | Serializable
+} | AttributeProperty<{
+  [key: string]: string | number;
+}>;
+
+function vg<T extends ValueTypes, VT>(type: T) {
+  return (value: VT | VT[], attrs?: object): KValueG<T, VT> => {
     const result = {
       $__type: type,
       __value: value,
@@ -31,23 +63,23 @@ function vg(type: ValueTypes) {
   };
 }
 
-export const v: Record<ValueTypes, (value: unknown, attrs?: object) => object> = {
-  s8: vg('s8'),
-  u8: vg('u8'),
-  s16: vg('s16'),
-  u16: vg('u16'),
-  s32: vg('s32'),
-  u32: vg('u32'),
-  s64: vg('s64'),
-  u64: vg('u64'),
-  float: vg('float'),
-  double: vg('double'),
-  b: vg('b'),
-  bool: vg('bool'),
-  bin: vg('bin'),
-  binary: vg('binary'),
-  ip4: vg('ip4'),
-  str: vg('str'),
-  string: vg('string'),
-  time: vg('time'),
+export const v = {
+  s8: vg<'s8', number>('s8'),
+  u8: vg<'u8', number>('u8'),
+  s16: vg<'s16', number>('s16'),
+  u16: vg<'u16', number>('u16'),
+  s32: vg<'s32', number>('s32'),
+  u32: vg<'u32', number>('u32'),
+  s64: vg<'s64', number>('s64'),
+  u64: vg<'u64', number>('u64'),
+  float: vg<'float', number>('float'),
+  double: vg<'double', number>('double'),
+  b: vg<'b', boolean>('b'),
+  bool: vg<'bool', boolean>('bool'),
+  bin: vg<'bin', Buffer>('bin'),
+  binary: vg<'binary', Buffer>('binary'),
+  ip4: vg<'ip4', string>('ip4'),
+  str: vg<'str', string>('str'),
+  string: vg<'string', string>('string'),
+  time: vg<'time', Date | number>('time'),
 }
diff --git a/src/utils/laochan-id.ts b/src/utils/laochan-id.ts
index 9293736..35b443d 100644
--- a/src/utils/laochan-id.ts
+++ b/src/utils/laochan-id.ts
@@ -1,9 +1,32 @@
 import { createHash } from 'crypto';
+import highwayHash from 'highwayhash';
 
-export function fromToken(token: string) {
+export function tokenToInfinitasId(token: string) {
   const key = createHash('md5')
     .update(token, 'utf-8')
     .digest('hex');
 
   return ('LCHAN' + key).slice(0, 13);
 }
+
+const HIGHWAY_KEY = Buffer.from('LAOCHANID_HIGHWAY_KEY_NOTSECURE!');
+
+export function tokenToHash(token: string) {
+  const key = highwayHash.asHexString(HIGHWAY_KEY, Buffer.from(token));
+  return key.toUpperCase();
+}
+
+export function tokenToCardNumber(token: string) {
+  const hash = tokenToHash(token);
+  return ('LCHAN' + hash.toUpperCase()).slice(0, 16);
+}
+
+export function tokenToSnsId(token: string) {
+  const key = highwayHash.asUInt32Low(HIGHWAY_KEY, Buffer.from(token));
+  return key.toString().padStart(8, '0');
+}
+
+export function tokenToSdvxId(token: string) {
+  const snsId = tokenToSnsId(token);
+  return 'SV-' + snsId.slice(0, 4) + '-' + snsId.slice(4, 8);
+}
diff --git a/src/utils/time.ts b/src/utils/time.ts
new file mode 100644
index 0000000..8255985
--- /dev/null
+++ b/src/utils/time.ts
@@ -0,0 +1,7 @@
+export function dateToString(date: Date) {
+  const isoStr = date.toISOString();
+  const d = isoStr.split('T')[0]
+  const t = isoStr.split('T')[1].split('.')[0];
+
+  return `${d} ${t}`;
+}