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Minor fixes in the React App Tutorial
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@ -3,13 +3,11 @@ 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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**NOTICE: This section of the React App Tutorial is not currently working because it hasn't been updated to work with the latest squid-js. There is [an open issue to update it](https://github.com/oceanprotocol/docs/issues/181).**
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## Requirements
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This is a continuation of the [React App Setup](/tutorials/react-setup/) and [React Publish Data-set](/tutorials/react-publish-data-set/) tutorial, so make sure you have done all the steps described in there.
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This is a continuation of the React App Tutorial. Make sure you already did the [React App Setup](/tutorials/react-setup/) and the [Publish a Data Set](/tutorials/react-publish-data-set/) steps.
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Open `src/App.js` in your marketplace app from previous tutorials.
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Open `src/App.js` in your marketplace app.
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## Retrieve Assets
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@ -30,7 +28,7 @@ The last thing we need is a button to start our search inside the render functio
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## Consume Assets
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The retrieved assets can now be consumed so in this tutorial we consume the first one. The following code goes after `async retrieveAssets()` function.
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The retrieved assets can now be consumed so in this tutorial we consume the first one. The following code goes after the `async retrieveAssets()` function.
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```js
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async consumeAsset() {
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@ -57,7 +55,7 @@ async consumeAsset() {
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}
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```
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We still need button in render function just after `<button onClick={()=>this.retrieveAssets()}>Retrieve assets</button>` to start consumption:
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We still need a button to start consumption. In the render function, just after the `<button onClick={()=>this.retrieveAssets()}>Retrieve assets</button>` line, add:
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```jsx
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<button onClick={() => this.consumeAsset()}>Consume asset</button>
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@ -171,7 +169,7 @@ class App extends Component {
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}
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async retrieveAssets() {
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this.dbAssets = await ocean.assets.search("10 Monkey Species Small")
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this.dbAssets = await this.ocean.assets.search("10 Monkey Species Small")
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console.log(this.dbAssets)
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}
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@ -183,13 +181,13 @@ class App extends Component {
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// get service we want to execute
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const service = consumeAsset.findServiceByType('Access')
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// order service agreement
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const agreement = await ocean.assets.order(
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const agreement = await this.ocean.assets.order(
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consumeAsset.id,
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service.serviceDefinitionId,
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accounts[0]
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)
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// consume it
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await ocean.assets.consume(
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await this.ocean.assets.consume(
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agreement,
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consumeAsset.id,
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service.serviceDefinitionId,
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@ -216,3 +216,5 @@ class App extends Component {
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export default App
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```
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Move on to [Get & Use a Data Set](/tutorials/react-get-use-data-set/).
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@ -9,6 +9,7 @@ description: This tutorial shows how you can build a basic [React](https://react
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- `npm` >= 5.2 is installed. You can check using `npm -v`
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- Git clone the [oceanprotocol/barge](https://github.com/oceanprotocol/barge) repository, then in that directory:
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- (Optional) If you want to use Azure Storage or Amazon S3 storage, then go through the tutorials to set those up: [Azure](/tutorials/azure-for-brizo/) or [Amazon](/tutorials/amazon-s3-for-brizo/). Note that if you're using Azure Storage, you must edit the `barge/brizo.env` file and set all `AZURE_`... values.
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- (Optional but recommended) Clean out all your old Docker stuff using `docker system prune --all --volumes`
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- Use Barge to run a local Spree Testnet:
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```bash
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@ -18,7 +19,7 @@ description: This tutorial shows how you can build a basic [React](https://react
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./start_ocean.sh --latest --no-pleuston --local-spree-node
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```
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- [Get some Spree Ether](/tutorials/get-ether-and-ocean-tokens/#get-ether-for-a-local-spree-testnet) in a local account managed by MetaMask.
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- Once your local Spree network is running, [get some Spree Ether](/tutorials/get-ether-and-ocean-tokens/#get-ether-for-a-local-spree-testnet) in a local account managed by MetaMask.
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## New Create React App
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@ -77,11 +78,11 @@ After those steps you should see this, and MetaMask should have asked you to all
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Note: If you see an error like `inpage.js:1 MetaMask - RPC Error: Internal JSON-RPC error.` in your `console.log`, don't worry about it. It's a MetaMask thing.
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## Create Ocean instance
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## Create Ocean Instance
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Now that we are successfully connected with Web3, we can set up our Ocean instance.
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At the beginning of your component, create a new Ocean instance with all configuration within the `componentDidMount` lifecycle method. All Ocean Protocol operations can be executed from this Ocean instance.
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At the beginning of your component (i.e. right after the `class App extends Component {` line), create a new Ocean instance with all configuration within the `componentDidMount` lifecycle method. All Ocean Protocol operations can be executed from this Ocean instance.
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```js
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async componentDidMount() {
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