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35 lines
2.1 KiB
35 lines
2.1 KiB
2 years ago
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# Tracking Network
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We will create a network to track postal parcels using Hyperledger Fabric. Hyperledger Fabric is a modular blockchain framework. It revolves around a few key concepts. First, the notion of channel, which represents a network with a set of transactions and participants dedicated to the same business objective. Within a channel a transaction is validated by a set of designated peers. On this channel, Smart Contracts can be deployed as "chaincode" to define business logic that will control validation within this network.
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### Instruction
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Network:
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- Deploy a Hyperledger Fabric networks with one channel "PostalServices", two peers representing different cities ("Nairobi" and "Atlanta") belonging to the same organization and a third node "Singapore" belonging to another organization, an ordering node and two certificate authorities.
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Objects:
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- Define the following element of our postal network:
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- 'Parcels', of type assets, which include a destination (a string), a current address (a string) and a status
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- 'Transport' a transaction which allows the address of the parcel to be changed a package
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Functionalities:
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- Allow the creation of users, postal employees, that can create and modify parcels.
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- Enable tracking of the status of the parcel: Good, Damaged or Destroyed. The state is saved in the package and a transaction allows this state to be modified. The transaction verifies that changes are consistent (state can go only one way... )
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- Distribution, travel from the sorting center to the final address emits an event “Distribution”
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Interface and deliverable
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- Provide a README file and necessary script to allow the deployment of the network.
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- Provide a command line interface with
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- `create-user`, a command to create a user
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- `create-parcel` a command to create a parcel
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- `transport` a command to modify the address of a parcel
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- `change status`that can potentially change its status.
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### Resources
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-[Hyperledger Fabric documentation](https://hyperledger-fabric.readthedocs.io/) -[Chain code tutorials](https://hyperledger-fabric.readthedocs.io/en/release-2.0/chaincode4ade.html)
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