Basic-sample-network NPM | npm.io

0.2.5 • Published 5 years ago

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268

License

Apache-2.0

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Last release

5 years ago

Basic Sample Business Network

This is the "Hello World" of Hyperledger Composer samples, which demonstrates the core functionality of Hyperledger Composer by changing the value of an asset.

This business network defines:

Participant SampleParticipant

Asset SampleAsset

Transaction SampleTransaction

Event SampleEvent

SampleAssets are owned by a SampleParticipant, and the value property on a SampleAsset can be modified by submitting a SampleTransaction. The SampleTransaction emits a SampleEvent that notifies applications of the old and new values for each modified SampleAsset.

To test this Business Network Definition in the Test tab:

Create a SampleParticipant participant:

{
  "$class": "org.acme.sample.SampleParticipant",
  "participantId": "Toby",
  "firstName": "Tobias",
  "lastName": "Hunter"
}

Create a SampleAsset asset:

{
  "$class": "org.acme.sample.SampleAsset",
  "assetId": "assetId:1",
  "owner": "resource:org.acme.sample.SampleParticipant#Toby",
  "value": "original value"
}

Submit a SampleTransaction transaction:

{
  "$class": "org.acme.sample.SampleTransaction",
  "asset": "resource:org.acme.sample.SampleAsset#assetId:1",
  "newValue": "new value"
}

After submitting this transaction, you should now see the transaction in the Transaction Registry and that a SampleEvent has been emitted. As a result, the value of the assetId:1 should now be new value in the Asset Registry.

Congratulations!

sample composer composer-network

@everything-registry/sub-chunk-1217 @zalastax/nolb-basi

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