October 2018
Intermediate to advanced
530 pages
14h 25m
English
Content preview from Blockchain across Oracle
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Installing a new version of our chaincode
Before installing the chaincode on the other member nodes, let's talk about upgrading an existing chaincode deployed on a channel. As you probably noticed when deploying the chaincode, you need to give it a version—even if it's the default version.
This means that you can upgrade your existing chaincode to a new version. I will now address this possibility, as this version number is going to be used in the rest of the chapter, for example, in the REST API calls.
Navigate back to the Chaincodes page. Now that the chaincode is activated on our channel, it is possible to upgrade the chaincode using the options menu on the right-hand side of the chaincode entry. From the menu, select the Upgrade option: ...
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