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42 lines
2.0 KiB
Markdown
42 lines
2.0 KiB
Markdown
---
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title: Publish a Algorithm
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description: Tutorial to add Algorithm 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 done all the steps described in there.
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1. [React App Setup](/tutorials/react-setup/)
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Open `src/Compute.js` from your `marketplace/` folder.
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## Define Asset
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First, let's add the [asset](/concepts/terminology/#asset-or-data-asset) that we want to publish.
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To do that, we need to define the Algorithm asset based on the [OEP-08](https://github.com/oceanprotocol/OEPs/tree/master/8) metadata structure. An algorithm asset can have multiple `files` attached to it and each file's `url` value will be encrypted during the publish process.
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Let's create a new file `src/asset-compute.js` and fill it with:
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GITHUB-EMBED https://github.com/oceanprotocol/react-tutorial/blob/107d1fa7d0c583cc8042339f1f5090ff9ee0920b/src/asset-compute.js jsx 1-33 GITHUB-EMBED
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** Notice the “ALGO” macro in the entrypoint attribute, this is replaced with the downloaded executable algorithm inside the pod
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Then import this asset definition at the top of `src/Compute.js`:
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GITHUB-EMBED https://github.com/oceanprotocol/react-tutorial/blob/107d1fa7d0c583cc8042339f1f5090ff9ee0920b/src/Compute.js jsx 4 GITHUB-EMBED
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## Handle Asset Publishing
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Now that we have an asset to submit, we need a function to handle it. Just before `render() {` let's add this `publishalgo` function:
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GITHUB-EMBED https://github.com/oceanprotocol/react-tutorial/blob/107d1fa7d0c583cc8042339f1f5090ff9ee0920b/src/Compute.js jsx 42-56 GITHUB-EMBED
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The last thing we need is a button to start our registration inside the `render()` function:
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GITHUB-EMBED https://github.com/oceanprotocol/react-tutorial/blob/107d1fa7d0c583cc8042339f1f5090ff9ee0920b/src/Compute.js jsx 153 GITHUB-EMBED
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**Move on to [Compute using a published algorithm on a Data Set](/tutorials/react-compute-published-algorithm/).**
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