The Init function is called when the Chaincode is instantiated by the blockchain network for the first time to initialize its internal data. You can think of it as a constructor in other languages (though Go doesn't support constructors).
As we are building Chaincode to manage a food supply chain, we need to start by defining a struct called Food to represent a food asset. The following picture shows the UML representation of a given asset:
As you may guess, OrderId is the order-tracking ID for the entire supply chain. Besides, each entity in the chain will have its unique entity ID and timestamp when it starts processing ...
