feat: copy from tari main repo

.eslintrc.json

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+{
+  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
+  "plugins": ["prettier", "@babel"],
+  "env": {
+    "browser": true,
+    "commonjs": true,
+    "node": true,
+    "es2021": true
+  },
+  "parser": "@babel/eslint-parser", // Tell ESLint that you want to use the @babel/eslint-parser.
+  "parserOptions": {
+    "ecmaVersion": 2021,
+    "sourceType": "module",
+    "allowImportExportEverywhere": false,
+    "ecmaFeatures": {
+      "globalReturn": false
+    },
+    "requireConfigFile": false
+  },
+  "rules": {
+    "no-undef": "error",
+    "no-unused-vars": [
+      "error",
+      {
+        "argsIgnorePattern": "^_"
+      }
+    ],
+    "prettier/prettier": [
+      "error",
+      {
+        "doubleQuote": true,
+        "endOfLine": "auto"
+      }
+    ]
+  }
+}

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

.prettierignore

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+partials
+views/blocks.hbs

.prettierrc

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+{
+  "endOfLine": "auto"
+}

README.md

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+# Tari explorer
+
+## No client-side JavaScript block explorer
+
+### Dependencies
+
+- `npm i`
+
+### Development (nodemon reload)
+
+- `npm run dev`
+
+### Start server
+
+- `npm start`

app.js

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+// Copyright 2022 The Tari Project
+// SPDX-License-Identifier: BSD-3-Clause
+
+const createError = require("http-errors");
+const express = require("express");
+const path = require("path");
+const cookieParser = require("cookie-parser");
+const logger = require("morgan");
+const asciichart = require("asciichart");
+
+var indexRouter = require("./routes/index");
+var blocksRouter = require("./routes/blocks");
+var mempoolRouter = require("./routes/mempool");
+var searchRouter = require("./routes/search");
+
+var assetsRouter = require("./routes/assets");
+var validatorRouter = require("./routes/validator");
+
+var hbs = require("hbs");
+const [hex, script] = require("./script");
+hbs.registerHelper("hex", hex);
+hbs.registerHelper("script", script);
+
+hbs.registerHelper("json", function (obj) {
+  return Buffer.from(JSON.stringify(obj)).toString("base64");
+});
+
+hbs.registerHelper("timestamp", function (timestamp) {
+  var dateObj = new Date(timestamp.seconds * 1000);
+  const day = dateObj.getUTCDate();
+  const month = dateObj.getUTCMonth() + 1;
+  const year = dateObj.getUTCFullYear();
+  const hours = dateObj.getUTCHours();
+  const minutes = dateObj.getUTCMinutes();
+  const seconds = dateObj.getSeconds();
+
+  return (
+    year.toString() +
+    "-" +
+    month.toString().padStart(2, "0") +
+    "-" +
+    day.toString().padStart(2, "0") +
+    " " +
+    hours.toString().padStart(2, "0") +
+    ":" +
+    minutes.toString().padStart(2, "0") +
+    ":" +
+    seconds.toString().padStart(2, "0")
+  );
+});
+
+hbs.registerHelper("percentbar", function (a, b) {
+  var percent = (a / (a + b)) * 100;
+  var barWidth = percent / 10;
+  var bar = "**********".slice(0, barWidth);
+  var space = "...........".slice(0, 10 - barWidth);
+  return bar + space + " " + parseInt(percent) + "% ";
+});
+
+hbs.registerHelper("chart", function (data, height) {
+  if (data.length > 0) {
+    return asciichart.plot(data, {
+      height: height,
+    });
+  } else {
+    return "**No data**";
+  }
+});
+
+hbs.registerHelper("json", function (obj) {
+  return JSON.stringify(obj);
+});
+
+hbs.registerPartials(path.join(__dirname, "partials"));
+
+var app = express();
+
+// view engine setup
+app.set("views", path.join(__dirname, "views"));
+app.set("view engine", "hbs");
+
+app.use(logger("dev"));
+app.use(express.json());
+app.use(
+  express.urlencoded({
+    extended: false,
+  })
+);
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, "public")));
+
+app.use("/", indexRouter);
+app.use("/blocks", blocksRouter);
+app.use("/assets", assetsRouter);
+app.use("/validator", validatorRouter);
+app.use("/mempool", mempoolRouter);
+app.use("/search", searchRouter);
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function (err, req, res) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get("env") === "development" ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render("error");
+});
+
+module.exports = app;

baseNodeClient.js

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+// Copyright 2022 The Tari Project
+// SPDX-License-Identifier: BSD-3-Clause
+
+var { Client } = require("base-node-grpc-client");
+
+function createClient() {
+  return Client.connect("localhost:18142");
+}
+
+module.exports = {
+  createClient,
+};