diff --git a/contracts/package-lock.json b/contracts/package-lock.json
index 128b8a4..8ff053a 100644
--- a/contracts/package-lock.json
+++ b/contracts/package-lock.json
@@ -12,7 +12,7 @@
         "@types/bn.js": "^5.1.0",
         "@types/chai": "^4.3.0",
         "@types/mocha": "^9.0.0",
-        "chai": "^4.3.4",
+        "chai": "^6.2.2",
         "mocha": "^9.0.3",
         "prettier": "^3.8.1",
         "ts-mocha": "^10.0.0",
@@ -379,16 +379,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/assertion-error": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
-      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -562,22 +552,13 @@
       }
     },
     "node_modules/chai": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
-      "integrity": "sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
+      "integrity": "sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "assertion-error": "^1.1.0",
-        "check-error": "^1.0.3",
-        "deep-eql": "^4.1.3",
-        "get-func-name": "^2.0.2",
-        "loupe": "^2.3.6",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.1.0"
-      },
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chalk": {
@@ -610,19 +591,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/check-error": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.3.tgz",
-      "integrity": "sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "get-func-name": "^2.0.2"
-      },
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/chokidar": {
       "version": "3.5.3",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
@@ -743,19 +711,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/deep-eql": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
-      "integrity": "sha512-SUwdGfqdKOwxCPeVYjwSyRpJ7Z+fhpwIAtmCUdZIWZ/YP5R9WAsyuSgpLVDi9bjWoN2LXHNss/dk3urXtdQxGg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "type-detect": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/delay": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/delay/-/delay-5.0.0.tgz",
@@ -914,16 +869,6 @@
         "node": "6.* || 8.* || >= 10.*"
       }
     },
-    "node_modules/get-func-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
-      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/glob": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
@@ -1241,16 +1186,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/loupe": {
-      "version": "2.3.7",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
-      "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "get-func-name": "^2.0.1"
-      }
-    },
     "node_modules/make-error": {
       "version": "1.3.6",
       "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
@@ -1467,16 +1402,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/pathval": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
-      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -1843,16 +1768,6 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
       "license": "0BSD"
     },
-    "node_modules/type-detect": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
-      "integrity": "sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/typescript": {
       "version": "5.9.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
diff --git a/contracts/package.json b/contracts/package.json
index 77c08c3..824cbe7 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -8,7 +8,7 @@
     "@coral-xyz/anchor": "^0.32.1"
   },
   "devDependencies": {
-    "chai": "^4.3.4",
+    "chai": "^6.2.2",
     "mocha": "^9.0.3",
     "ts-mocha": "^10.0.0",
     "@types/bn.js": "^5.1.0",
diff --git a/contracts/yarn.lock b/contracts/yarn.lock
index a057f6b..ca5b777 100644
--- a/contracts/yarn.lock
+++ b/contracts/yarn.lock
@@ -216,11 +216,6 @@ arrify@^1.0.0:
   resolved "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz"
   integrity sha512-3CYzex9M9FGQjCGMGyi6/31c8GJbgb0qGyrx5HWxPd0aCwh4cB2YjMb2Xf9UuoogrMrlO9cTqnB5rI5GHZTcUA==
 
-assertion-error@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz"
-  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
-
 balanced-match@^1.0.0:
   version "1.0.2"
   resolved "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz"
@@ -314,18 +309,10 @@ camelcase@^6.0.0, camelcase@^6.3.0:
   resolved "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz"
   integrity sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==
 
-chai@^4.3.4:
-  version "4.5.0"
-  resolved "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz"
-  integrity sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==
-  dependencies:
-    assertion-error "^1.1.0"
-    check-error "^1.0.3"
-    deep-eql "^4.1.3"
-    get-func-name "^2.0.2"
-    loupe "^2.3.6"
-    pathval "^1.1.1"
-    type-detect "^4.1.0"
+chai@^6.2.2:
+  version "6.2.2"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-6.2.2.tgz#ae41b52c9aca87734505362717f3255facda360e"
+  integrity sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==
 
 chalk@^4.1.0:
   version "4.1.2"
@@ -340,13 +327,6 @@ chalk@^5.4.1:
   resolved "https://registry.npmjs.org/chalk/-/chalk-5.6.2.tgz"
   integrity sha512-7NzBL0rN6fMUW+f7A6Io4h40qQlG+xGmtMxfbnH/K7TAtt8JQWVQK+6g0UXKMeVJoyV5EkkNsErQ8pVD3bLHbA==
 
-check-error@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.npmjs.org/check-error/-/check-error-1.0.3.tgz"
-  integrity sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==
-  dependencies:
-    get-func-name "^2.0.2"
-
 chokidar@3.5.3:
   version "3.5.3"
   resolved "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz"
@@ -417,13 +397,6 @@ decamelize@^4.0.0:
   resolved "https://registry.npmjs.org/decamelize/-/decamelize-4.0.0.tgz"
   integrity sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==
 
-deep-eql@^4.1.3:
-  version "4.1.4"
-  resolved "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz"
-  integrity sha512-SUwdGfqdKOwxCPeVYjwSyRpJ7Z+fhpwIAtmCUdZIWZ/YP5R9WAsyuSgpLVDi9bjWoN2LXHNss/dk3urXtdQxGg==
-  dependencies:
-    type-detect "^4.0.0"
-
 delay@^5.0.0:
   version "5.0.0"
   resolved "https://registry.npmjs.org/delay/-/delay-5.0.0.tgz"
@@ -521,11 +494,6 @@ get-caller-file@^2.0.5:
   resolved "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
-get-func-name@^2.0.1, get-func-name@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz"
-  integrity sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==
-
 glob-parent@~5.1.2:
   version "5.1.2"
   resolved "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz"
@@ -686,13 +654,6 @@ log-symbols@4.1.0:
     chalk "^4.1.0"
     is-unicode-supported "^0.1.0"
 
-loupe@^2.3.6:
-  version "2.3.7"
-  resolved "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz"
-  integrity sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==
-  dependencies:
-    get-func-name "^2.0.1"
-
 make-error@^1.1.1:
   version "1.3.6"
   resolved "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz"
@@ -822,11 +783,6 @@ path-is-absolute@^1.0.0:
   resolved "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz"
   integrity sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==
 
-pathval@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz"
-  integrity sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==
-
 picomatch@^2.0.4, picomatch@^2.2.1:
   version "2.3.1"
   resolved "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz"