Tools, FAQ, Tutorials:
Hyperledger Composer Model File
What Is Hyperledger Composer Model File (*.cto)?
✍: FYIcenter.com
A Hyperledger Composer model file
is a source code file that define business object types used
in a business network:
Participants, Assets, Transactions and Events.
A model file uses the CTO modeling language and the .cto file extension. Here is an example of a model file from the Basic Sample Business Network, ./models/sample.cto:
/* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Sample business network definition. */ namespace org.example.basic asset SampleAsset identified by assetId { o String assetId --> SampleParticipant owner o String value o String name } participant SampleParticipant identified by participantId { o String participantId o String firstName o String lastName } transaction SampleTransaction { --> SampleAsset asset o String newValue } event SampleEvent { --> SampleAsset asset o String oldValue o String newValue }
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⇒ Hyperledger Composer Script File
⇠Business Network Source Code Architecture
2020-11-22, 770👍, 0💬
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