diff --git a/babel.config.js b/babel.config.cjs
similarity index 100%
rename from babel.config.js
rename to babel.config.cjs
diff --git a/jest.config.cjs b/jest.config.cjs
new file mode 100644
index 0000000..0e3c69d
--- /dev/null
+++ b/jest.config.cjs
@@ -0,0 +1,20 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'react-native',
+  transform: {
+    '^.+\\.[tj]sx?$': [
+      'ts-jest',
+      {
+        tsconfig: 'tsconfig.json',
+        babelConfig: true,
+        useESM: true
+      }
+    ]
+  },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  modulePathIgnorePatterns: [
+    "<rootDir>/example/node_modules",
+    "<rootDir>/lib/"
+  ],
+  extensionsToTreatAsEsm: ['.ts', '.tsx']
+}
diff --git a/package.json b/package.json
index d11b1e2..ea7b5fe 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,7 @@
     "@babel/plugin-proposal-export-namespace-from": "^7.16.7",
     "@commitlint/config-conventional": "^17.0.2",
     "@evilmartians/lefthook": "^1.2.2",
+    "@polkadot/typegen": "^15.0.1",
     "@react-native-community/eslint-config": "^3.0.2",
     "@release-it/conventional-changelog": "^9.0.3",
     "@types/jest": "^28.1.2",
@@ -71,7 +72,7 @@
     "eslint": "^8.4.1",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
-    "jest": "^28.1.1",
+    "jest": "^29.2.5",
     "metro-react-native-babel-preset": "^0.77.0",
     "pod-install": "^0.1.0",
     "prettier": "^2.0.5",
@@ -79,10 +80,10 @@
     "react-native": "0.73.11",
     "react-native-builder-bob": "^0.20.0",
     "release-it": "^17.10.0",
+    "ts-jest": "^29.2.5",
     "ts-node": "^10.9.1",
     "turbo": "^1.10.7",
-    "typescript": "^5.7.2",
-    "@polkadot/typegen": "^15.0.1"
+    "typescript": "^5.7.2"
   },
   "resolutions": {
     "@types/react": "17.0.21"
@@ -97,13 +98,6 @@
     "node": ">= 16.0.0"
   },
   "packageManager": "yarn@1.22.21",
-  "jest": {
-    "preset": "react-native",
-    "modulePathIgnorePatterns": [
-      "<rootDir>/example/node_modules",
-      "<rootDir>/lib/"
-    ]
-  },
   "commitlint": {
     "extends": [
       "@commitlint/config-conventional"
diff --git a/yarn.lock b/yarn.lock
index 42414dd..c977807 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3355,6 +3355,11 @@ async-retry@1.3.3:
   dependencies:
     retry "0.13.1"
 
+async@^3.2.3:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.6.tgz#1b0728e14929d51b85b449b7f06e27c1145e38ce"
+  integrity sha512-htCUDlxyyCLMgaM3xXg0C0LW2xqfuQ6p05pCEIsXuyQ+a1koYKTuBMzRNwmybfLgvJDMd0r1LTn4+E0Ti6C2AA==
+
 asynciterator.prototype@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/asynciterator.prototype/-/asynciterator.prototype-1.0.0.tgz"
@@ -3566,6 +3571,13 @@ browserslist@^4.20.4, browserslist@^4.21.9, browserslist@^4.23.3:
     node-releases "^2.0.18"
     update-browserslist-db "^1.1.0"
 
+bs-logger@^0.2.6:
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/bs-logger/-/bs-logger-0.2.6.tgz#eb7d365307a72cf974cc6cda76b68354ad336bd8"
+  integrity sha512-pd8DCoxmbgc7hyPKOvxtqNcjYoOsABPQdcCUjGp3d42VR2CX1ORhk2A87oqqu5R1kk+76nsxZupkmyd+MVtCog==
+  dependencies:
+    fast-json-stable-stringify "2.x"
+
 bser@2.1.1:
   version "2.1.1"
   resolved "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz"
@@ -3684,7 +3696,7 @@ chalk@^2.4.2:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chalk@^4.0.0, chalk@^4.1.0, chalk@^4.1.2:
+chalk@^4.0.0, chalk@^4.0.2, chalk@^4.1.0, chalk@^4.1.2:
   version "4.1.2"
   resolved "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz"
   integrity sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==
@@ -4433,6 +4445,13 @@ ee-first@1.1.1:
   resolved "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz"
   integrity sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==
 
+ejs@^3.1.10:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-3.1.10.tgz#69ab8358b14e896f80cc39e62087b88500c3ac3b"
+  integrity sha512-UeJmFfOrAQS8OJWPZ4qtgHyWExa088/MtK5UEyoJGFH67cDEXkZSviOiKRCZ4Xij0zxI3JECgYs3oKx+AizQBA==
+  dependencies:
+    jake "^10.8.5"
+
 electron-to-chromium@^1.5.28:
   version "1.5.33"
   resolved "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.33.tgz"
@@ -4936,7 +4955,7 @@ fast-glob@^3.2.9, fast-glob@^3.3.0, fast-glob@^3.3.2:
     merge2 "^1.3.0"
     micromatch "^4.0.4"
 
-fast-json-stable-stringify@^2.0.0:
+fast-json-stable-stringify@2.x, fast-json-stable-stringify@^2.0.0, fast-json-stable-stringify@^2.1.0:
   version "2.1.0"
   resolved "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz"
   integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
@@ -4982,6 +5001,13 @@ file-entry-cache@^6.0.1:
   dependencies:
     flat-cache "^3.0.4"
 
+filelist@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/filelist/-/filelist-1.0.4.tgz#f78978a1e944775ff9e62e744424f215e58352b5"
+  integrity sha512-w1cEuf3S+DrLCQL7ET6kz+gmlJdbq9J7yXCSjK/OZCPA+qEN1WyF4ZAf0YYJa4/shHJra2t/d/r8SV4Ji+x+8Q==
+  dependencies:
+    minimatch "^5.0.1"
+
 fill-range@^7.1.1:
   version "7.1.1"
   resolved "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz"
@@ -6121,6 +6147,16 @@ iterator.prototype@^1.1.2:
     reflect.getprototypeof "^1.0.4"
     set-function-name "^2.0.1"
 
+jake@^10.8.5:
+  version "10.9.2"
+  resolved "https://registry.yarnpkg.com/jake/-/jake-10.9.2.tgz#6ae487e6a69afec3a5e167628996b59f35ae2b7f"
+  integrity sha512-2P4SQ0HrLQ+fw6llpLnOaGAvN2Zu6778SJMrCUwns4fOoG9ayrTiZk3VV8sCPkVZF8ab0zksVpS8FDY5pRCNBA==
+  dependencies:
+    async "^3.2.3"
+    chalk "^4.0.2"
+    filelist "^1.0.4"
+    minimatch "^3.1.2"
+
 jest-changed-files@^28.1.3:
   version "28.1.3"
   resolved "https://registry.npmjs.org/jest-changed-files/-/jest-changed-files-28.1.3.tgz"
@@ -6475,7 +6511,7 @@ jest-util@^28.1.3:
     graceful-fs "^4.2.9"
     picomatch "^2.2.3"
 
-jest-util@^29.7.0:
+jest-util@^29.0.0, jest-util@^29.7.0:
   version "29.7.0"
   resolved "https://registry.npmjs.org/jest-util/-/jest-util-29.7.0.tgz"
   integrity sha512-z6EbKajIpqGKU56y5KBUgy1dt1ihhQJgWzUlZHArA/+X2ad7Cb5iF+AK1EWVL/Bo7Rz9uurpqw6SiBCefUbCGA==
@@ -6833,6 +6869,11 @@ lodash.kebabcase@^4.1.1:
   resolved "https://registry.npmjs.org/lodash.kebabcase/-/lodash.kebabcase-4.1.1.tgz"
   integrity sha512-N8XRTIMMqqDgSy4VLKPnJ/+hpGZN+PHQiJnSenYqPaVV/NCqEogTnAdZLQiGKhxX+JCs8waWq2t1XHWKOmlY8g==
 
+lodash.memoize@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
+  integrity sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag==
+
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz"
@@ -6954,7 +6995,7 @@ make-dir@^4.0.0:
   dependencies:
     semver "^7.5.3"
 
-make-error@^1.1.1:
+make-error@^1.1.1, make-error@^1.3.6:
   version "1.3.6"
   resolved "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
@@ -9268,6 +9309,21 @@ trim-newlines@^4.0.2:
   resolved "https://registry.npmjs.org/trim-newlines/-/trim-newlines-4.1.1.tgz"
   integrity sha512-jRKj0n0jXWo6kh62nA5TEh3+4igKDXLvzBJcPpiizP7oOolUrYIxmVBG9TOtHYFHoddUk6YvAkGeGoSVTXfQXQ==
 
+ts-jest@^29.2.5:
+  version "29.2.5"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-29.2.5.tgz#591a3c108e1f5ebd013d3152142cb5472b399d63"
+  integrity sha512-KD8zB2aAZrcKIdGk4OwpJggeLcH1FgrICqDSROWqlnJXGCXK4Mn6FcdK2B6670Xr73lHMG1kHw8R87A0ecZ+vA==
+  dependencies:
+    bs-logger "^0.2.6"
+    ejs "^3.1.10"
+    fast-json-stable-stringify "^2.1.0"
+    jest-util "^29.0.0"
+    json5 "^2.2.3"
+    lodash.memoize "^4.1.2"
+    make-error "^1.3.6"
+    semver "^7.6.3"
+    yargs-parser "^21.1.1"
+
 ts-node@^10.8.1, ts-node@^10.9.1:
   version "10.9.1"
   resolved "https://registry.npmjs.org/ts-node/-/ts-node-10.9.1.tgz"