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@ -7,15 +7,20 @@ description: This tutorial shows how you can build a basic [React](https://react
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- `Node.js` >= 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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- 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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- Git clone the [oceanprotocol/barge](https://github.com/oceanprotocol/barge) 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-kovan-node`. This runs several Ocean services locally, including a local Parity Ethereum node connected to the Kovan Testnet.
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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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- Use Barge to run a local Spree Testnet:
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```bash
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export KEEPER_VERSION=v0.8.6
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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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## New Create React App
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First, kick start your new React app by creating a boilerplate with Create React App:
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First, kickstart your new React app by creating a boilerplate with Create React App:
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```bash
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npx create-react-app marketplace
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@ -68,9 +73,11 @@ After those steps you should see this, and MetaMask should have asked you to all
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![React App 02](images/react-app-02.png)
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![React App 03](images/react-app-03.png)
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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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Now that we are successfully connected with Web3, we can setup our 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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