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* Initial commit for CollectSignaturesFlow, some tests and associated documentation via a new "Flow Library" section of the docsite. * Refactored the TwoPartyDealFlow to use the CollectSignaturesFlow. * Added the subclassed CollectsigsFlow to the trader demo, whitelisted it and added a flow initiator for the responder. * Minor edits to progress tracker. * Amended as per Rick's comments. * Generalised this flow, so it now works if more than one signatures have been collected, initially. * Minor edits to the IRS demo so it uses the CollectSignaturesFlow. * For debugging purposes... * Adding CollectsigsFlow support to SIMM Demo. * Removing debug logging. * Amended top level comment: transactions can only have one notary. * Added TODOs as checkTransaction logic is absent. * Addressed Mike's review comments. * Minor edit to flow-library docs. * Updated flow based on Mike's review comments. * Added two usage examples and updated the tests. * Made changes to accommodate new CollectSignaturesFlow approach. * Made changes to SIMM demo to accommodate new CollectSignaturesFlow approach. * Added abstract check proposal method to two party deal flow. * Added missing TODOs. * Addressed Sham's comments. * Rebased to M11.
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Welcome to the Corda documentation!
Warning
This build of the docs is from the "" branch, not a milestone release. It may not reflect the current state of the code. Read the docs for milestone release M11.0.
Corda is an open-source distributed ledger platform. The latest milestone (i.e. stable) release is M11.0. The codebase is on GitHub, and our community can be found on Slack and in our forum.
If you're new to Corda, you should start by learning about its motivating vision and architecture. A good introduction is the Introduction to Corda webinar and the Introductory white paper. As you become more familiar with Corda, readers with a technical background will also want to dive into the Technical white paper, which describes the platform's envisioned end-state.
Note
Corda training is now available in London, New York and Singapore! Learn more.
Corda is designed so that developers can easily extend its functionality by writing CorDapps (Corda Distributed Applications). Some example CorDapps are available in the Corda repo's samples directory. To run these yourself, make sure you follow the instructions in getting-set-up, then go to running-the-demos.
If, after running the demos, you're interested in writing your own CorDapps, you can use the CorDapp template as a base. A simple example CorDapp built upon the template is available here, and a video primer on basic CorDapp structure is available here.
From there, you'll be in a position to start extending the example CorDapp yourself (e.g. by writing new states, contracts, and/or flows). For this, you'll want to refer to this docsite, and to the tutorials in particular. If you get stuck, get in touch on Slack or the forum.
Once you're familiar with Corda and CorDapp development, we'd encourage you to get involved in the development of the platform itself. Find out more about contributing to Corda.
Documentation Contents:
inthebox getting-set-up getting-set-up-fault-finding running-the-demos CLI-vs-IDE cheat-sheet
key-concepts key-concepts-ecosystem key-concepts-data-model key-concepts-core-types key-concepts-financial-model key-concepts-flow-framework key-concepts-consensus-notaries key-concepts-vault key-concepts-security-model
creating-a-cordapp tutorial-cordapp
versioning shell serialization clientrpc messaging persistence node-administration corda-configuration-file corda-plugins node-services node-explorer permissioning
tutorial-contract tutorial-contract-clauses tutorial-test-dsl contract-upgrade tutorial-integration-testing tutorial-clientrpc-api tutorial-building-transactions flow-state-machines flow-testing running-a-notary using-a-notary oracles tutorial-attachments event-scheduling
network-simulator clauses merkle-trees json
flow-library contract-catalogue contract-irs
loadtesting demobench setting-up-a-corda-network secure-coding-guidelines release-process release-notes changelog codestyle building-the-docs further-notes-on-kotlin publishing-corda azure-vm out-of-process-verification
glossary