Completed

.eslintrc.json

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+{
+  "extends": "next/core-web-vitals"
+}

.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/server/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# vercel
+.vercel

.htaccess

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+<IfModule mod_rewrite.c>
+
+RewriteEngine On
+RewriteRule ^$ http://127.0.0.1:3000/ [P,L]
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteCond %{REQUEST_FILENAME} !-d
+RewriteRule ^(.*)$ http://127.0.0.1:3000/$1 [P,L]
+
+</IfModule>

README.md

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+This is a [Next.js](https://nextjs.org/) project bootstrapped with [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app).
+
+## Getting Started
+
+First, run the development server:
+
+```bash
+npm run dev
+# or
+yarn dev
+```
+
+Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+
+You can start editing the page by modifying `pages/index.js`. The page auto-updates as you edit the file.
+
+[API routes](https://nextjs.org/docs/api-routes/introduction) can be accessed on [http://localhost:3000/api/hello](http://localhost:3000/api/hello). This endpoint can be edited in `pages/api/hello.js`.
+
+The `pages/api` directory is mapped to `/api/*`. Files in this directory are treated as [API routes](https://nextjs.org/docs/api-routes/introduction) instead of React pages.
+
+## Learn More
+
+To learn more about Next.js, take a look at the following resources:
+
+- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
+- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
+
+You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js/) - your feedback and contributions are welcome!
+
+## Deploy on Vercel
+
+The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
+
+Check out our [Next.js deployment documentation](https://nextjs.org/docs/deployment) for more details.

api/AuthApi.js

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+
+import BaseApi from './BaseApi';
+
+class AuthApi extends BaseApi {
+
+  signin(address, signature) {
+    return this.instance.post(
+      "/api/auth/signin", { address, signature }
+    );
+  }
+
+  checkJwt(address, jwt) {
+    return this.instance.post(
+      "/api/auth/check-jwt", { address },
+      {
+        headers: {
+            'Authorization': `Bearer ${jwt}`
+        }
+      }
+    );
+  }
+
+  getNonce(address) {
+    return this.instance.post(
+      "/api/auth/get-nonce", { address }
+    );
+  }
+
+}
+
+export default new AuthApi();

api/BaseApi.js

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+import axios, { AxiosInstance, AxiosRequestConfig } from "axios";
+
+export default class BaseApi {
+    constructor() {    
+      this.instance = axios.create({
+        baseURL: process.env.NEXT_PUBLIC_SERVER_URL ? process.env.NEXT_PUBLIC_SERVER_URL : ''
+      });
+
+      this.instance.interceptors.request.use(
+        (config) => {
+          // Do something before request is sent
+          const token = this.getToken()
+          if(config.headers && token !== '')
+            config.headers["Authorization"] = "bearer " + token;
+          return config;
+        },
+        error => {
+          Promise.reject(error);
+        }
+      );
+
+      this.instance.interceptors.response.use(
+        (response) => {
+            return response;
+        },
+        async (error) => {
+            if (error.response.status === 401) {
+                const refreshToken = localStorage.getItem('refreshToken');
+                if(refreshToken != null) {
+                    // const response = await this.refreshAuthToken(refreshToken);
+
+                    // store.commit('login', response.data);
+                    // this.setAuthToken(response.data.token);
+                    // error.config.headers['Authorization'] = `bearer ${response.data.token}`;
+                }
+                else {
+                    // store.commit('logout');
+                }
+                return axios(error.config);
+            } else {
+                return Promise.reject(error);
+            }
+        }
+    );
+    }
+
+    getToken() {
+      return localStorage.getItem('jwt');
+    }
+}

api/ProposalApi.js

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+
+import BaseApi from './BaseApi';
+
+class ProposalApi extends BaseApi {
+
+  listProposal() {
+    return this.instance.get(
+      "/api/proposal"
+    );
+  }
+
+  getProposal(id) {
+    return this.instance.get(
+      `/api/proposal/${id}`
+    );
+  }
+
+  createProposal(address, title, description) {
+    return this.instance.post(
+      `/api/proposal`, {
+        address, title, description
+      }
+    );
+  }
+
+  vote(id, address, vote) {
+    return this.instance.post(
+      `/api/proposal/${id}/vote`, {
+        address, vote
+      }
+    );
+  }
+
+  getRecentPassed() {
+    return this.instance.get(
+      `/api/proposal/recent-passed`
+    );
+  }
+
+  getRemainingTimeForNext() {
+    return this.instance.get(
+      `/api/proposal/remain-time`
+    );
+  }
+}
+
+export default new ProposalApi();