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Integrate `DBFlowException` with the rest of the checkpoint schema, so now we are saving the flow's exception result in the database. Making statemachine not remove `FAILED` flows' checkpoints from the database if they are started with a clientId. Retrieve the DBFlowException from the database to construct a `FlowStateMachineHandle` future and complete exceptionally the flow's result future for requests (`startFlowDynamicWithClientId`) that pick FAILED flows , started with client id, of status Removed. On killing a flow the client id mapping of the flow gets removed. The storage serialiser is used for serialising exceptions. Note, that if an exception cannot be serialised, it will not fail and will instead be stored as a `CordaRuntimeException`. This could be improved in future changes.
Corda
Corda is an open source blockchain project, designed for business from the start. Only Corda allows you to build interoperable blockchain networks that transact in strict privacy. Corda's smart contract technology allows businesses to transact directly, with value.
Features
- Smart contracts that can be written in Java and other JVM languages
- Flow framework to manage communication and negotiation between participants
- Peer-to-peer network of nodes
- "Notary" infrastructure to validate uniqueness and sequencing of transactions without global broadcast
- Enables the development and deployment of distributed apps called CorDapps
- Written in Kotlin, targeting the JVM
Getting started
- Read the Getting Started documentation
- Run the Example CorDapp
- Read about Corda's Key Concepts
- Follow the Hello, World! tutorial
Useful links
- Project Website
- Mailing List
- Documentation
- Stack Overflow Tag
- Slack Channel
- Meetups
- Training Courses
Contributing
Corda is an open-source project and contributions are welcome!
To find out how to contribute, please see our contributing docs.
License
Acknowledgements
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