Working with the Export Asset Node

In this quick tutorial, we will cover Working with the Export Asset Node. In this tutorial, we’ll create a flow containing the Export Asset Node.

In this video we will cover:

• How this node works
• How to find the transaction cost
• How to modify the JSON Object
• The difference between true and false in the JSON edit box
• How to confirm your export
• How to access the address of the smart contract
• Deploying and testing your flow

Prerequisite

• A Free Catenis Development account or Production account
• Node-RED installed on either a local or cloud environment
• Catenis Flow Pallet installed on Node-RED
• A Catenis Virtual Device configured on Node-RED
• Basic understanding of how to use Node-RED
• Basic understanding of the Export Asset Node

After watching Working with the Export Asset Node, feel free to watch the next video, Understanding the Migrate Asset Node, to further expand your knowledge.

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Links from this video for easy access:

• Understanding the Export Asset Node: https://blockchainofthings.com/tutorials/understand-export-asset-node
• How to Configure a Virtual Device: https://blockchainofthings.com/tutorials/configure-virtual-device
• Popular Wallet Applications: https://en.bitcoinwiki.org/wiki/Cryptocurrency_wallets_list
• Understanding the Migrate Asset Node: https://blockchainofthings.com/tutorials/understand-migrate-asset-node

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[Music]

Hi, this is Claire for Blockchain of Things.

In this tutorial, we’ll create a flow containing the Export Asset Node.

If you don’t know what an Export Asset Node is, make sure you check out the previous tutorial,

titled “Understanding The Export Asset Node”.

Let’s begin!

First, drag-and-drop an Export Asset Node into your workspace

and double-click on the node to display the property slide-out panel.

Select your Catenis Virtual Device and add the

node’s configuration information to each field, based on your needs.

Wire this node, to a Debug Node, and drop an Inject Node into your workspace.

Wire the Inject Node to the Export Asset Node and double-click the Inject Node to open its properties slide-out panel.

Select the payload field, choose the JSON type

and click the ellipse button to display a JSON edit box.

Enter the JSON information you wish to pass as an input to the Catenis Node.

For example, something like this:

Notice that the “Estimate Only Option” is set to “true”.

Click the red done button.

Click the done button again to exit the properties dialog box.

Click the red deploy button.

Click the button on the left of the Inject Node

to set the input from the Inject Node through the flow.

The Debug Sidebar should display

the return to JSON object containing an estimate of the transaction cost.

Now, let’s return to our Inject Node and modify our JSON object

to set the “Estimate Only Option” to false.

Deploy the flow and run it again.

Now, the Debug Sidebar should display a returned JSON object containing the transaction ID

and other information about the token that you’ve just exported.

You can confirm your export by searching the transaction ID on any independent block explorer.

You can also access the newly created smart contract’s address

by executing the Export Asset Outcome Node,

or the List Exported Assets Node.

These nodes return a token ID object in the JSON result that contains the contract address.

Note, that you will need to install an application that supports the

foreign blockchain to which you are exporting your Catenis Smart Asset.

Note, that some wallet apps such as MetaMask, require you to supply the token contract address in order for tokens to be added to the wallet.

You can see which blockchains are supported by popular wallet applications here:

Great work!

Now, you should understand how to use the Export Asset Node.

[Music]