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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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CORDA-3490 Add option to start node without starting checkpointed flows (#6136) 
Added command-line option: `--pause-all-flows` to the Node to control this.
This mode causes all checkpoints to be set to status PAUSED when the
state machine starts up (in StartMode.Safe mode). 

Changed the state machine so that PAUSED checkpoints are loaded into
memory (the checkpoint is deserialised but the flow state is left serialised)
but not started.

Messages from peers are queued whilst the flow is paused and processed
once the flow is resumed.
2020-05-19 16:27:41 +01:00
.ci INFRA-311 new jdk11 jenkinsfile (#6194) 2020-04-30 09:59:35 +01:00
.github Changed frequency of Github Actions for sync between GH and Jira (#6148) 2020-04-14 10:17:44 +01:00
.idea Merge remote-tracking branch 'origin/release/os/4.3' into my_merge_branch 2019-11-04 17:48:15 +00:00
client Revert "NOTICK Ignore JUnit time threads in RPCStabilityTests (#6201)" (#6204) 2020-04-30 13:17:40 +01:00
common CORDA-3490 Add option to start node without starting checkpointed flows (#6136) 2020-05-19 16:27:41 +01:00
confidential-identities Merge branch 'release/os/4.4' into chrisr3-44-merge 2020-03-04 16:27:44 +00:00
config EG-71 - Changed the default file limit in the log4j2 configuration (#5996) 2020-03-02 09:26:46 +00:00
core CORDA-3490 Add option to start node without starting checkpointed flows (#6136) 2020-05-19 16:27:41 +01:00
core-deterministic CORDA-3715: Check contract classes hav… (#6155) 2020-04-30 08:57:37 +01:00
core-tests NOTICK Fix kill flow tests due to storing failed flows 2020-05-06 10:02:40 +01:00
detekt-plugins NOTICK: Update Gradle files for DeteKt plugins. (#5970) 2020-02-16 08:21:05 +00:00
docker Bump OS release version 4.6 2020-05-04 12:07:27 +01:00
docs EG-1404 - Retired the rst doc source structure under /docs and update… (#6147) 2020-04-23 09:56:57 +01:00
experimental [NOTICK] - Enable check in detekt for unused imports (#6106) 2020-03-26 15:46:33 +00:00
finance CORDA-3698: Require no classifier for Open Core and DJVM-related modules. (#6132) 2020-04-06 11:00:40 +01:00
gradle/wrapper use proxied gradle to prevent slow lorrising due to too many requests (#6056) 2020-03-12 08:15:28 +00:00
isolated CORDA-2893 Upgrade Corda to use Gradle 5.4.1 (Take 2) (#5137) 2019-05-20 14:26:42 +01:00
jdk8u-deterministic CORDA-3523: DJVM custom serializers and whitelists (#5858) 2020-01-16 17:48:15 +00:00
lib fix merge conflicts due to changes in Signed test cordapp creation 2019-11-05 17:42:38 +00:00
node CORDA-3490 Add option to start node without starting checkpointed flows (#6136) 2020-05-19 16:27:41 +01:00
node-api [MERGE] Fix detekt issues 2020-04-29 11:57:37 +01:00
node-api-tests Merge branch 'release/os/4.6' into dan/4.6-into-checkpoint-feature-branch-2020-05-05 2020-05-05 17:05:23 +01:00
release-tools CORDA-3017 - Fix release tooling when product name != jira project (#5229) 2019-06-21 09:28:07 +01:00
samples Merge branch 'release/os/4.6' into dan/4.6-into-checkpoint-feature-branch-2020-05-05 2020-05-05 17:05:23 +01:00
serialization CORDA-3750: Delete unwanted methods from the deterministic artifacts. (#6208) 2020-05-04 11:33:06 +01:00
serialization-deterministic NOTICK: Fix more Gradle technical debt. (#5989) 2020-02-20 17:01:24 +00:00
serialization-djvm CORDA-3745: Modify DJVM serializers to support Enum Evolution. (#6189) 2020-04-30 14:59:10 +01:00
serialization-tests ENT-5043 separate out test utils (#5998) 2020-03-03 15:55:17 +00:00
testing CORDA-3490 Add option to start node without starting checkpointed flows (#6136) 2020-05-19 16:27:41 +01:00
tools [NOTICK] Fix a test error to allow tests to pass in Jenkins (#6202) 2020-04-30 10:57:47 +01:00
.dockerignore WIP Kubenetes parallel build (#5396) 2019-09-03 15:40:08 +00:00
.gitignore ENT-4595 Add git based version (#5799) 2019-12-11 17:50:27 +00:00
build.gradle Corda 3675 update netty (#6146) 2020-04-14 12:31:02 +01:00
BUILD.md add a shared memory port allocator to allow multiple processes to sha… (#5223) 2019-07-02 18:38:33 +00:00
buildCacheSettings.gradle Explicitly disable remote gradle build cache when building locally. (#4095) 2018-10-19 16:40:06 +01:00
constants.properties Bump OS release version 4.6 2020-05-04 12:07:27 +01:00
CONTRIBUTING.md Combines all contributing info in one place. Clean-up. (#4266) 2018-11-20 18:17:11 +00:00
CONTRIBUTORS.md Contract tutorial update and Contributors list update (#5338) 2019-07-30 14:51:34 +01:00
detekt-baseline-config.yml TM-45 Make detektBaseline pass (#5561) 2019-10-15 15:49:31 +01:00
detekt-baseline.xml CORDA-3726: Remove memory leaks when many InProcess nodes started (#6169) 2020-04-23 08:53:51 +01:00
detekt-config.yml [NOTICK] - Enable check in detekt for unused imports (#6106) 2020-03-26 15:46:33 +00:00
deterministic.gradle CORDA-2876: Ensure that sandboxable byte-code is compiled for Java 8. 2019-11-14 16:22:28 +00:00
gradle.properties Revert "Merge pull request #5145 from corda/jdk11-migration-gradle5-upgrade" (#5146) 2019-05-20 16:16:49 +01:00
gradlew CORDA-2893 Upgrade Corda to use Gradle 5.4.1 (Take 2) (#5137) 2019-05-20 14:26:42 +01:00
gradlew.bat CORDA-2893 Upgrade Corda to use Gradle 5.4.1 (Take 2) (#5137) 2019-05-20 14:26:42 +01:00
java8.gradle CORDA-3698: Require no classifier for Open Core and DJVM-related modules. (#6132) 2020-04-06 11:00:40 +01:00
Jenkinsfile INFRA-284 Testing out new aks template (#6150) 2020-04-16 07:56:39 +01:00
LICENSE Use full Apache 2.0 license so GitHub recognizes it 2019-08-23 12:24:37 +02:00
README.md Update README.md (#6144) 2020-04-09 15:31:19 +01:00
SECURITY.md CORDA-2958 Security policy for corda 2019-06-03 10:38:13 +02:00
settings.gradle [EG-440] Add some error codes and the error resource generation tool (#6192) 2020-04-29 11:21:50 +01:00
sizing.sh add a shared memory port allocator to allow multiple processes to sha… (#5223) 2019-07-02 18:38:33 +00:00
TRADEMARK Updated URL link to R3 trademark policy 2017-07-13 11:43:41 +01:00

README.md

Corda

License

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

  1. Read the Getting Started documentation
  2. Run the Example CorDapp
  3. Read about Corda's Key Concepts
  4. Follow the Hello, World! tutorial

Useful links

Contributing

Corda is an open-source project and contributions are welcome!

To find out how to contribute, please see our contributing docs.

License

Apache 2.0

Acknowledgements

YourKit

YourKit supports open source projects with its full-featured Java Profiler.

YourKit, LLC is the creator of YourKit Java Profiler and YourKit .NET Profiler, innovative and intelligent tools for profiling Java and .NET applications.