This module provides nodes to call smart contract methods and observe it from your automation Node-RED Project.

To install the stable version use the Menu - Manage palette option and search for node-red-contrib-near-protocol, or run the following command in your Node-RED user directory - typically ~/.node-red:

cd ~/.node-red
npm i node-red-contrib-near-protocol

1. Add Near Contract node to workspace

   

2. Double click it and configure contract.

   

3. Set values to fields, fill in contract methods and press Done

   How to get your private key?

   Near Wallet

   Open Browser DevTools go to tab Application, open Local Storage and find private key.

   Another wallet

   Go to Settings - Backup Account Choose export method Private Key

   
   

   

4. Press Deploy button. After succesful flow deploy you have to see similar contract node or error message.

   

5. Add Contract Method node to workspase

   

6. Double click it and configure method. Choose created before contract and method and press Done

   

7. Method node has to change label

   

8. To call contract we have to emit some event and pass some arguments. To do it let't add standard inject node to a workspace.

   

9. Set arguments to payload field and press Done

   

10. Add standart debug node to show result in debug console, connect nodes inputs and outputs and press Deploy. After that you can run contract by pressing to button on inject node.

    

    Execution error will be displayed in debug console and as a contract node status

    

    Execution succes result will be transmitted to next node. If contract call does not return any result next node will get { payload: {} }