Merge pull request #79 from alexandrewolff/live-training-2

remove erc20-bridge submodule
jklepatch · Jun 4, 2021 · 4eaaf7d · 4eaaf7d
2 parents ccedd0b + 6525a4a
commit 4eaaf7d
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diff --git a/live-trainings/2-polygon-matic/erc20-bridge b/live-trainings/2-polygon-matic/erc20-bridge
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/.gitignore b/live-trainings/2-polygon-matic/erc20-bridge/.gitignore
@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/README.md b/live-trainings/2-polygon-matic/erc20-bridge/README.md
@@ -0,0 +1,31 @@
+# Polygon Matic bridge for ERC20
+
+1. Run
+```
+yarn install
+```
+
+2. Populate the src/infura.js file with the url of your endpoint to Ethereum.
+
+3. Run the app with
+```
+yarn run start
+```
+The app will be available at
+```
+http://localhost:3000/
+```
+
+4. Make sure you have Matic Mumbai testnet set in you metamask as well as matic tokens on the matic testnet, and ether + test erc20 tokens on the Ethereum Goerli testnet.
+
+5. From the Goerli testnet, run Approve.
+
+6. From the Goerli testnet, run Deposit.
+
+7. Wait for ~10 minutes, your tokens should be available on Matic testnet.
+
+8. From the Matic testnet, run Burn. Copy the transaction hash that appears in the window.
+
+9. Wait for ~15 minutes (can be more), paste the burn transaction hash in the input and from the Goerli testnet, and run Exit. You erc20 tokens should be back on your Goerli wallet !
+
+*Don't forget to refresh the page when you change network*
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/package.json b/live-trainings/2-polygon-matic/erc20-bridge/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "live-training-bridge",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@maticnetwork/maticjs": "^2.0.40",
+    "@testing-library/jest-dom": "^5.11.4",
+    "@testing-library/react": "^11.1.0",
+    "@testing-library/user-event": "^12.1.10",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "react-scripts": "4.0.3",
+    "web-vitals": "^1.0.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/favicon.ico b/live-trainings/2-polygon-matic/erc20-bridge/public/favicon.ico
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/index.html b/live-trainings/2-polygon-matic/erc20-bridge/public/index.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/logo192.png b/live-trainings/2-polygon-matic/erc20-bridge/public/logo192.png
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/logo512.png b/live-trainings/2-polygon-matic/erc20-bridge/public/logo512.png
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/manifest.json b/live-trainings/2-polygon-matic/erc20-bridge/public/manifest.json
@@ -0,0 +1,25 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/public/robots.txt b/live-trainings/2-polygon-matic/erc20-bridge/public/robots.txt
@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/App.css b/live-trainings/2-polygon-matic/erc20-bridge/src/App.css
@@ -0,0 +1,19 @@
+.App {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.cards {
+  display: flex;
+  justify-content: center;
+}
+
+.card {
+  border: 1px solid black;
+  padding: 50px;
+  margin: 10px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/App.js b/live-trainings/2-polygon-matic/erc20-bridge/src/App.js
@@ -0,0 +1,98 @@
+import { useState, useEffect } from 'react'
+import './App.css';
+import infuraUrl from './infura'
+import { MaticPOSClient } from '@maticnetwork/maticjs'
+
+function App() {
+  const rootTokenAddress = '0x655F2166b0709cd575202630952D71E2bB0d61Af'
+  const childTokenAddress = '0xfe4F5145f6e09952a5ba9e956ED0C25e3Fa4c7F1'
+  const parentProvider = infuraUrl
+  const childProvider = 'https://rpc-mumbai.matic.today'
+  const amount = '1000000000000000000'
+
+  const [account, setAccount] = useState('')
+  const [parentMaticPOSClient, setParentMaticPOSClient] = useState(null)
+  const [childMaticPOSClient, setChildMaticPOSClient] = useState(null)
+  const [burnTxHash, setBurnTxHash] = useState('')
+
+  useEffect(() => {
+    const init = async () => {
+      const accounts = await window.ethereum.request({
+        method: 'eth_requestAccounts',
+      })
+
+      const parentMaticPOSClient = new MaticPOSClient({
+        network: "testnet",
+        version: "mumbai",
+        parentProvider: window.ethereum,
+        maticProvider: childProvider,
+      });
+
+      const childMaticPOSClient = new MaticPOSClient({
+        network: "testnet",
+        version: "mumbai",
+        parentProvider: parentProvider,
+        maticProvider: window.ethereum,
+      });
+
+      setAccount(accounts[0])
+      setParentMaticPOSClient(parentMaticPOSClient)
+      setChildMaticPOSClient(childMaticPOSClient)
+    }
+
+    if (window.ethereum) {
+      init()
+    } else {
+      alert('No Ethereum provider')
+    }
+  }, [])
+
+  const handleApprove = async () => {
+    await parentMaticPOSClient.approveERC20ForDeposit(rootTokenAddress, amount, { from: account })
+  }
+
+  const handleDeposit = async () => {
+    await parentMaticPOSClient.depositERC20ForUser(rootTokenAddress, account, amount, {
+      from: account,
+      gasPrice: '10000000000',
+    })
+  }
+
+  const handleBurn = async () => {
+    const burnTxHash = await childMaticPOSClient.burnERC20(childTokenAddress, amount, { from: account })
+    alert('Copy this transaction hash: ' + burnTxHash.transactionHash)
+  }
+
+  const handleExit = async () => {
+    await parentMaticPOSClient.exitERC20(burnTxHash, { from: account, fastProof: true })
+  }
+
+  return (
+    <div className="App">
+      <h1 className="title">Polygon Matic bridge functions</h1>
+      <div className="cards">
+        <div className="card">
+          <h2>ETH {'>'} Matic</h2>
+          <div>
+            <button onClick={handleApprove}>Approve</button>
+            <button onClick={handleDeposit}>Deposit</button>
+          </div>
+        </div>
+        <div className="card">
+          <h2>Matic {">"} ETH</h2>
+          <input
+            type="text"
+            onChange={(event) => setBurnTxHash(event.target.value)}
+            value={burnTxHash}
+            placeholder="Paste burn tx hash here" />
+          <div>
+            <button onClick={handleBurn}>Burn</button>
+            <button onClick={handleExit}>Exit</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default App;
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/index.css b/live-trainings/2-polygon-matic/erc20-bridge/src/index.css
@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/index.js b/live-trainings/2-polygon-matic/erc20-bridge/src/index.js
@@ -0,0 +1,17 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import reportWebVitals from './reportWebVitals';
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+  document.getElementById('root')
+);
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals();
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/infura.js b/live-trainings/2-polygon-matic/erc20-bridge/src/infura.js
@@ -0,0 +1,3 @@
+const infuraUrl = // paste Ethereum node URL here
+
+export default infuraUrl
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/reportWebVitals.js b/live-trainings/2-polygon-matic/erc20-bridge/src/reportWebVitals.js
@@ -0,0 +1,13 @@
+const reportWebVitals = onPerfEntry => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;
diff --git a/live-trainings/2-polygon-matic/erc20-bridge/src/setupTests.js b/live-trainings/2-polygon-matic/erc20-bridge/src/setupTests.js
@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		const infuraUrl = // paste Ethereum node URL here

		export default infuraUrl