feat: challenge

package.json

@@ -19,9 +19,11 @@
     "@types/echarts": "^4.9.22",
     "@typescript-eslint/eslint-plugin": "^7.17.0",
     "@upstash/feedback": "^2.0.0",
+    "@wagmi/core": "^2.13.5",
     "classnames": "^2.5.1",
     "dayjs": "^1.11.12",
     "echarts-for-react": "^3.0.2",
+    "ethers": "^6.13.2",
     "graphviz-react": "^1.2.5",
     "http-proxy-middleware": "^3.0.0",
     "install": "^0.13.0",
@@ -31,6 +33,7 @@
     "react": "^18",
     "react-dom": "^18",
     "react-loading-skeleton": "^3.4.0",
+    "react-toastify": "^10.0.5",
     "swr": "^2.2.5",
     "viem": "^2.20.0",
     "wagmi": "^2.12.7"