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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.
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* Add basic spec for the demobench tool. * Initial commit: Creating new tabs whenever the "Add Node" button is pressed. These tabs currently contain the bash shell only. * Refactor shutdown code, although AWT is still misbehaving. * Remove duplicate libpty native objects. * Add initial form for configuring new nodes. * Update to Corda 0.8-SNAPSHOT * Patch JediTerm to allow the application to shutdown cleanly. * Write configuration parameters into node.conf, and then run corda.jar in its own directory. * The first node now becomes the session's Network Map service used by all other nodes. Force nodes to be created one-by-one. * Trim node name and nearest city values. * Fix logging location of corda.jar * legalName field can be val. * Allow configuration of extra network services. * Launch DB viewer for node. * Small tidy-up. * Allow services to be loaded as a resources as well as a file. * Include native artifacts in distribution. * Add cash and issuer services to DemoBench. * Configure Node and DemoBench to use same version of H2 database. * Implement launching "Node Explorer" for each node. * Create a capsule for Node Explorer, and allow login via command line parameters to bypass login screen. * Simplify Kotlin objects. * Include issuer for CHF (Swiss Francs) * Fix SLF4J logging. * Display simple statistics about the node on each tab. * Add new RPC operation getCashBalances() to Node. * Ensure demobench is built after explorer:capsule. * Grant permissions to the Node's user, and install BanfOfCorda plugin for cash issuers. * Initial inclusion of Corda and BankOfCorda JARs in distribution. * Fix DemoBench distribution target. * Add SLF4J binding for Log4J 2.x * First batch of code review changes. * More changes from review. * Remove ".exe" from Java executable path, because Windows doesn't need it. * Remove superfluous lamba parameter names. * Better usage of Paths vs File API. * Simplify the configuration object. * Ensure a DemoBench installation is relocatable. * Ensure that Node Explorer can write into its working directory. * Disable Node Explorer and Database Viewer buttons until the node has launched and is responding to RPC. * Only allow the first node to run notary services. And validate port numbers more strongly. * Force all chosen port numbers to be different. * Initial javapackager task: currently builds RPMs. * Ensure JavaPackager task finds custom resources on the classpath. * Move demobench.log into the user's demobench directory. * Upgrade to Logback 1.1.10 * Make the javapackage task "more gradle" and "less ant". * Display "0" balance for a node which has no cash balances at all. * CORPRIV-665: Ensure tab closes if the node exits. * CORPRIV-665: Protect against NPE * CORPRIV-665: Protect harder against NPE * CORPRIV-665: Protect NodeTerminalView from being destroyed twice. * Initial custom resource script for Windows bundle. * Take java executable from JRE. * Allow Node Explorer to be relaunched. * CORPRIV-658: Add gradle parameter "packageType" for javapackage task. * Replace R3 logo with Corda logo. * CORPRIV-658: Add icon file for Windows installer. * CORPRIV-658: Add BAT file to create unsigned DemoBench.exe. * CORPRIV-659: Add icon file for DMG package. * Improve packaging information. * CORPRIV-660: Allow user to launch Web server for each node. * Tidy up gradle usage. * Document provenance of jediterm-terminal-2.5.jar. * Use "safe" casting operator. * CORPRIV-659: Add bin/java to minimal JRE. * CORPRIV-659: Basic shell script to package DemoBench as DMG. * Add utility function for creating SLF4J loggers, and close unused I/O streams from forked processes. * Switch from Runtime.exec() to ProcessBuilder. * CORPRIV-660: Display Web server's port number on launch button. * CORPRIV-661: Allow profiles to be loaded into DemoBench. * Upgrade to TornadoFX 1.6.2. * CORPRIV-661: Implement saving profiles. * CORPRIV-661: Refactor code for guaranteeing a .zip extension. * CORRIV-658: Add icon for Windows installer. * CORPRIV-659: Update installer script and icons for DMG. * CORPRIV-659: Tweak post-image script for DMG. * CORPRIV-658: I've wasted enough time on this - Windows rejects this BMP as invalid, and I have no idea why!? * CORPRIV-658: Add external manifest for DemoBench.exe that declares it incapable of native HiDPI support. * CORPRIV-661: Ensure that we can rewrite saved profiles correctly. * Fix terminal resizing. * CORPRIV-659: Fix DMG installer. * CORPRIV-659: Better validation for JAVA_HOME. * Downgrade JDK requirement to 8u102, for consistency with capsules. * Comment how JediTerm is not available via Maven. * CORPRIV-658: Rename packaging script. * CORPRIV-659: Renaming packaging script. * Comment file copying vs file filtering during packaging. * Fixes from code review. * CORPRIV-661: Ensure that nodes loaded from a profile have the correct network map service. * Break textfield definitions out into separate functions. * Fixes from code review. * Code review tweaks. * More code review tweaks. * Another simple code review tweak. * Replace companion object with a BiPredicate lambda. * CORPRIV-664: Implement saving/loading of Cordapps with profiles. * CORPRIV-664: Refactor saving/loading plugins. * CORPRIV-664: Add initial unit tests for model. * CORPRIV-664: Add simple unit tests for NodeController. * CORPRIV-664: Unit test enhancements, e.g. configure JUL properly. * CORPRIV-664: Use Suite instead of abstract test class. * CORPRIV-664: Allow Cordapps to be loaded when each Node is configured. * CORPRIV-664: Document which checked Java exceptions are thrown. * Write JavaPackager output into build/javapackage directory. * CORPRIV-664: Document more checked Java exceptions. * Refactor Web and Explorer classes into their own packages. * Declare WebServer and Explorer constructors as "internal". * Update packaging scripts: tell user where the installer is! * CORPRIV-659: Set "system menu bar" property for MacOSX. * CORPRIV-661: Use "*.profile" for profile files. * Remove unnecessary <children/> elements, as they are defaults. * Fix build breakage when on Windows. * Tweaks for EXE packaging script. * Change function to extension function. * Merged in corpriv-702 (pull request #25) CORPRIV-702: Sign the DMG with a 'Developer ID Application' certificate. * CORPRIV-702: Sign the DMG with a 'Mac Developer' certificate. * CORPRIV-702: Use "Developer ID Application" certificate instead. And now JavaPackager signs the application, which means that we only need to resign our embedded JVM. * CORPRIV-702: Update comment better to explain why JRE must be resigned. Approved-by: Mike Hearn * Exclude old version of Javassist in favour of Hibernate's version from Node. (#320) * Exclude old version of Javassist in favour of Hibernate's version. * Comment why we are excluding javassist:javassist, and add TODO for when junit-quickcheck 0.8 is released. * CORDA-265: Implement "ALL" permission for RPC users. (#306) * CORDA-265: Implement "ALL" permission for RPC users. Users with this permission in node.conf can use any flow. * CORDA-265: Ensure that we always close the RPC proxy object after each test. * CORDA-265: Refactor construction of dummy RPC client into an abstract base class. * CORDA-265: Document RPC "ALL" permission. * CORDA-266: Update DemoBench to be compatible with 0.10-SNAPSHOT. * CORDA-268: Reimplement to work on both JDK8 and JDK9 (for now). * CORDA-268: Copy java from $JAVA_HOME/bin as this also works on JDK > 8. * Code review fixes. * Use SLF4J's version of the commons-logging bindings. Only include SLF4J's Log4J back-end for actual applications, e.g. Node. (#350) * Update with SLF4J change. * CORDA-266: Update to latest node.conf format. * Upgrade to H2 1.4.194. (#389) - Timezone related fixes. - A Turkish case canonicalisation bug. - Fixes for some scary threading related bugs. |
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| buildSrc | ||
| client | ||
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| core | ||
| docs | ||
| experimental | ||
| finance | ||
| gradle/wrapper | ||
| gradle-plugins | ||
| lib | ||
| node | ||
| node-api | ||
| node-schemas | ||
| samples | ||
| test-utils | ||
| tools | ||
| .gitignore | ||
| build.gradle | ||
| CONTRIBUTING.md | ||
| gradle.properties | ||
| gradlew | ||
| gradlew.bat | ||
| LICENSE | ||
| publish.properties | ||
| README.md | ||
| settings.gradle | ||
| TRADEMARK | ||
Corda
Corda is a decentralised database system in which nodes trust each other as little as possible.
Features
- A P2P network of nodes
- Smart contracts
- Flow framework
- "Notary" infrastructure to validate uniqueness of transactions
- Written as a platform for distributed apps called CorDapps
- Written in Kotlin, targeting the JVM
Read our full and planned feature list here.
Getting started
Firstly, read the Getting started documentation.
Next, use the following guides to set up your dev environment:
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If you are on Windows use this getting started guide which also explains through how to run the sample apps.
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Alternatively if you are on Mac/Linux, watch this brief Webinar which walks through getting Corda, installing it, building it, running nodes and opening projects in IntelliJ.
After the above, watching the following webinars will give you a great introduction to Corda:
Webinar 1 – Introduction to Corda
Richard Brown, R3 Chief Technology Officer, explains Corda's unique architecture, the only distributed ledger platform designed by and for the financial industry's unique requirements. You may want to read the Corda non-technical whitepaper as pre-reading for this session.
Webinar 2 – Corda Developers’ Tutorial
Roger Willis, R3 Developer Relations Lead, provides an overview of Corda from a developer’s perspective and guidance on how to start building CorDapps. You may want to view Webinar 1 - Introduction to Corda as preparation for this session. NB. This was recorded for the M5 release.
Building on Corda
To build your own CorDapps:
- Clone the CorDapp Template repository
- Read the README (IMPORTANT!)
- Read the Writing a CorDapp documentation
To look at the Corda source and run some sample applications:
- Clone this repository
- To run some sample CorDapps, read the running the demos documentation
- Start hacking and contribute!
Useful links
- Project website
- Documentation
- [Slack channel] (https://slack.corda.net/)
- Forum
- Meetups
- Training Course
Development State
Corda is currently in very early development and should not be used in production systems. Breaking changes will happen on minor versions until 1.0. Experimentation with Corda is recommended.
Pull requests, experiments, and contributions are encouraged and welcomed.
Background
The project is supported by R3, a financial industry consortium, which is why it contains some code for financial use cases and why the documentation focuses on finance. The goal is to use it to construct a global ledger, simplifying finance and reducing the overheads of banking. But it is run as an open source project and the basic technology of a peer-to-peer decentralised database may be useful for many different projects.
Contributing
Please read here.
License
Acknowledgements
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