mirror of
https://github.com/oceanprotocol/docs.git
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Merge pull request #92 from oceanprotocol/publish-data-set-react
Publish data set react
This commit is contained in:
commit
bd5e8c4afc
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---
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title: Get & Use a Compute Service
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---
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title: Get & Use a Data Set
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---
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@ -3,7 +3,7 @@ title: Overview of the Tutorials
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description: What you can expect to find in these Ocean Protocol tutorials.
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description: What you can expect to find in these Ocean Protocol tutorials.
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---
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---
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These tutorials give examples of how to use Pleuston (a demo marketplace app) and Python to:
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These tutorials give examples of how to use squid-js (JavaScript) and squid-py (Python) to:
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- publish a data set
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- publish a data set
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- publish a compute service
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- publish a compute service
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---
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title: Publish a Compute Service
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---
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title: Publish a Data Set
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---
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4
content/tutorials/react-get-use-data-set.md
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4
content/tutorials/react-get-use-data-set.md
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---
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title: Get & Use a Data Set
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description: Tutorial to get and use a data set in a basic React app.
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---
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146
content/tutorials/react-publish-data-set.md
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146
content/tutorials/react-publish-data-set.md
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---
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title: Publish a Data Set
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description: Tutorial to add dataset publishing capabilities to a basic React app.
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---
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## Requirements
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This is a continuation of the [React App Setup](/tutorials/react-setup) tutorial, so make sure you have all the steps running.
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## Adding Publishing
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1. Open `src/App.js` in your marketplace app from the [React App Setup](/tutorials/react-setup) tutorial.
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2. First let's add the asset that we want to publish. To do that, we need to add the following code after `window.ethereum.enable()` line.
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```javascript
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const asset = {
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base: {
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name: 'Office Humidity',
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description:
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'Weather information of UK including temperature and humidity',
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dateCreated: '2012-02-01T10:55:11+00:00',
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author: 'Met Office',
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size: '3.1bg',
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license: 'Public Domain',
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copyrightHolder: 'Met Office',
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contentUrls: [
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'https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip'
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],
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contentType: 'text/csv',
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links: [
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{
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name: 'Dataset sample',
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type: 'sample',
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url:
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'http://data.ceda.ac.uk/badc/ukcp09/data/gridded-land-obs/gridded-land-obs-daily/'
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}
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],
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tags: 'weather, uk, 2011, temperature, humidity',
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price: 5,
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type: 'dataset'
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},
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curation: {
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rating: 0,
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numVotes: 0,
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schema: 'Binary Voting'
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},
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additionalInformation: {
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updateFrequency: 'yearly'
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}
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}
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```
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3. Now that we have an asset to submit, we need function to handle it. Just before `render() {` let's add:
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```javascript
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async submitAsset(){
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const accounts = await this.ocean.getAccounts()
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const ddo = await this.ocean.registerAsset(asset, accounts[0])
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alert("Asset successfully submited:", JSON.stringify(ddo))
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}
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```
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4. The last thing we need is a button to start our registration inside the render function just after `<h1>Marketplace app</h1>`:
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```jsx
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<button onClick={() => this.submitAsset()}>Register asset</button>
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```
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## Finished
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That's it. If you have no errors in your `console.log` and you receive an alert after you click `Register asset` then you have successfully registered an asset.
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Here is the full source of `src/App.js` that you should have if you followed this tutorial:
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```javascript
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import React, { Component } from 'react'
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import './App.css'
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import { Ocean } from '@oceanprotocol/squid'
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import * as Web3 from 'web3'
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const web3 = new Web3(window.web3.currentProvider)
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window.ethereum.enable()
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const asset = {
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base: {
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name: 'Office Humidity',
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description: 'Weather information of UK including temperature and humidity',
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dateCreated: '2012-02-01T10:55:11+00:00',
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author: 'Met Office',
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size: '3.1bg',
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license: 'Public Domain',
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copyrightHolder: 'Met Office',
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contentUrls: [
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'https://testocnfiles.blob.core.windows.net/testfiles/testzkp.zip'
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],
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contentType: 'text/csv',
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links: [
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{
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name: 'Dataset sample',
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type: 'sample',
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url:
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'http://data.ceda.ac.uk/badc/ukcp09/data/gridded-land-obs/gridded-land-obs-daily/'
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}
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],
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tags: 'weather, uk, 2011, temperature, humidity',
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price: 5,
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type: 'dataset'
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},
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curation: {
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rating: 0,
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numVotes: 0,
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schema: 'Binary Voting'
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},
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additionalInformation: {
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updateFrequency: 'yearly'
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}
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}
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class App extends Component {
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async componentDidMount() {
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this.ocean = await new Ocean.getInstance({
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web3Provider: web3,
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nodeUri: 'http://localhost:8545',
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aquariusUri: 'http://localhost:5000',
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brizoUri: 'http://localhost:8030',
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parityUri: 'http://localhost:8545',
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secretStoreUri: 'http://localhost:12001',
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threshold: 0,
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password: 'secret',
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address: '0x068ed00cf0441e4829d9784fcbe7b9e26d4bd8d0'
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})
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console.log('Finished loading contracts!')
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}
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async submitAsset() {
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const accounts = await this.ocean.getAccounts()
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const ddo = await this.ocean.registerAsset(asset, accounts[0])
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alert('Asset successfully submited:', JSON.stringify(ddo))
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}
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render() {
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return (
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<div className="App">
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<h1>Marketplace app</h1>
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<button onClick={() => this.submitAsset()}>Register asset</button>
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</div>
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)
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}
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}
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export default App
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```
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105
content/tutorials/react-setup.md
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105
content/tutorials/react-setup.md
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---
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title: React App Setup
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description: Tutorial to set up a basic React app that uses squid-js.
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---
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This tutorial shows how you can build a basic [React](https://reactjs.org/) app with [Create React App](https://github.com/facebook/create-react-app) that uses the squid-js JavaScript package to publish a data set, get a data set, and more.
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## Requirements
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- `nodejs` >= 10 is installed. You can check using `node -v`
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- `npm` >= 5.2 is installed. You can check using `npm -v`
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- Do [the tutorial to Set Up Azure Storage](/tutorials/azure-for-brizo/).
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- Git clone the [oceanprotocol/docker-images](https://github.com/oceanprotocol/docker-images) repository, then in that directory:
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- Edit the `brizo.env` file and set all `AZURE_`... values.
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- Run `./start_ocean.sh --no-pleuston --local-pond-node` in [oceanprotocol/docker-images](https://github.com/oceanprotocol/docker-images). This runs all services locally, including a local Parity Ethereum node.
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- Use a browser with [MetaMask](https://metamask.io/) and some Ether in your account. See [the tutorial about getting Ether and Ocean Tokens for testnets](/tutorials/get-ether-and-ocean-tokens/).
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## Tutorial Steps
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1. Run `npx create-react-app marketplace` in you terminal. This will create a folder named `marketplace` with a boilerplate React app.
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2. Move to your app directory with `cd marketplace` and run `npm install @oceanprotocol/squid web3`. This adds the Ocean Protocol JavaScript library and Web3 packages to the app.
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3. At this point you can already run `npm start` which starts the app in your browser at [localhost:3000](http://localhost:3000).
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4. To clear the React spinning icon, open `src/App.js` and modify the source to:
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```javascript
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import React, { Component } from 'react'
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import './App.css'
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class App extends Component {
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render() {
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return (
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<div className="App">
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<h1>Marketplace app</h1>
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</div>
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)
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}
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}
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export default App
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```
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5. Below the `import './App.css'` line, let's import the packages we installed, set up web3 and unlock MetaMask accounts (if locked):
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```javascript
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import { Ocean } from '@oceanprotocol/squid'
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import * as Web3 from 'web3'
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const web3 = new Web3(window.web3.currentProvider)
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window.ethereum.enable()
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```
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6. After the line `class App extends Component {` add the following Ocean initialization with all configuration. All OceanProtocol operations can be executed from this Ocean instance.
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```javascript
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async componentDidMount() {
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this.ocean = await new Ocean.getInstance({
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web3Provider: web3,
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nodeUri: "http://localhost:8545",
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aquariusUri: "http://localhost:5000",
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brizoUri: "http://localhost:8030",
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parityUri: "http://localhost:8545",
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secretStoreUri: "http://localhost:12001",
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threshold: 0,
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password: "secret",
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address: "0x068ed00cf0441e4829d9784fcbe7b9e26d4bd8d0",
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})
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console.log("Finished loading contracts!")
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}
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```
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## Finished
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That's it, if you have no errors in your `console.log` then you have successfully initialized an Ocean instance in you brand new React app and you are ready for the next steps in this tutorial.
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Here is the full source of `src/App.js` that you should have if you followed this tutorial:
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```javascript
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import React, { Component } from 'react'
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import './App.css'
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import { Ocean } from '@oceanprotocol/squid'
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import * as Web3 from 'web3'
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const web3 = new Web3(window.web3.currentProvider)
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window.ethereum.enable()
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class App extends Component {
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async componentDidMount() {
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this.ocean = await new Ocean.getInstance({
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web3Provider: web3,
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nodeUri: 'http://localhost:8545',
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aquariusUri: 'http://localhost:5000',
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brizoUri: 'http://localhost:8030',
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parityUri: 'http://localhost:8545',
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secretStoreUri: 'http://localhost:12001',
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threshold: 0,
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password: 'secret',
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address: '0x068ed00cf0441e4829d9784fcbe7b9e26d4bd8d0'
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})
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console.log('Finished loading contracts!')
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}
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render() {
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return (
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<div className="App">
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<h1>Marketplace app</h1>
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</div>
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)
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}
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}
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export default App
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```
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@ -7,16 +7,11 @@
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- title: Set Up Azure Storage
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- title: Set Up Azure Storage
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link: /tutorials/azure-for-brizo/
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link: /tutorials/azure-for-brizo/
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- group: Publish
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- group: React App Tutorial
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items:
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items:
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- title: Setup
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link: /tutorials/react-setup/
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- title: Publish a Data Set
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- title: Publish a Data Set
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link: /tutorials/publish-data-set/
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link: /tutorials/react-publish-data-set/
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- title: Publish a Compute Service
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link: /tutorials/publish-compute-service/
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- group: Consume
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items:
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- title: Get & Use a Data Set
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- title: Get & Use a Data Set
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link: /tutorials/get-use-data-set/
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link: /tutorials/react-get-use-data-set/
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- title: Get & Use a Compute Service
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link: /tutorials/get-use-compute-service/
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margin-left: 0;
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margin-left: 0;
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}
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}
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&:before { display: none;}
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&:before {
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display: none;
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}
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}
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}
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}
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}
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