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https://github.com/okp4/kafka-processor-cosmos-tx-proto2json

Kafka Streams Processor to decode protobuf encoded CØSMOS transactions into a JSON representation
https://github.com/okp4/kafka-processor-cosmos-tx-proto2json

cosmos-sdk kafka kafka-streams

Last synced: 4 days ago
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Kafka Streams Processor to decode protobuf encoded CØSMOS transactions into a JSON representation

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# Kafka Processor Decode Cosmos TX



[![version](https://img.shields.io/github/v/release/okp4/kafka-processor-cosmos-tx-proto2json?style=for-the-badge&logo=github)](https://github.com/okp4/kafka-processor-cosmos-tx-proto2json/releases)

[![lint](https://img.shields.io/github/actions/workflow/status/okp4/kafka-processor-cosmos-tx-proto2json/lint.yml?branch=main&label=lint&style=for-the-badge&logo=github)](https://github.com/okp4/kafka-processor-cosmos-tx-proto2json/actions/workflows/lint.yml)

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[![test](https://img.shields.io/github/actions/workflow/status/okp4/kafka-processor-cosmos-tx-proto2json/test.yml?branch=main&label=test&style=for-the-badge&logo=github)](https://github.com/okp4/kafka-processor-cosmos-tx-proto2json/actions/workflows/test.yml)

[![conventional commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg?style=for-the-badge&logo=conventionalcommits)](https://conventionalcommits.org)

[![contributor covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg?style=for-the-badge)](https://github.com/okp4/.github/blob/main/CODE_OF_CONDUCT.md)

[![License](https://img.shields.io/badge/License-BSD_3--Clause-blue.svg?style=for-the-badge)](https://opensource.org/licenses/BSD-3-Clause)

[![Quarkus](https://img.shields.io/badge/Quarkus-1A2C34?logo=quarkus&logoColor=4695EB&style=for-the-badge)](https://quarkus.io)



## Purpose



A Kafka Streams Processor that consumes [CØSMOS](https://github.com/cosmos/cosmos-sdk) and [ØKP4](https://github.com/okp4/okp4d)

[Protobuf](https://developers.google.com/protocol-buffers) messages from an `input` Kafka topic and sends a [JSON](https://www.json.org/json-en.html)

decoded message in the `output` topic.





  




## Implementation



Implementation mainly relies on [Kafka Streams API](https://kafka.apache.org/documentation/streams), library to create

event-stream applications with the following features:



- no external dependency other than Kafka itself,

- simple and light library,

- fault-tolerant and scalable.



Moreover, this implementation:



- uses [Kotkin](https://kotlinlang.org/) as primary coding language,

- uses [Quarkus](https://quarkus.io/) to minimize resources consumption,

- is as much as possible, lean, i.e. tries to minimize the dependencies to 3rd party libraries and the resulting package

  footprint.



## Build



This project targets the [JVM 11+](https://openjdk.java.net/), so be sure to have it available in your environment.



This project relies on the [Gradle](https://gradle.org/) build system.



If you are on Windows then open a command line, go into the root directory and run:



```sh

.\gradlew build

```



If you are on linux/mac then open a terminal, go into the root directory and run:



```sh

./gradlew build

```



This command line produces a _native_ executable: `kafka-processor-cosmos-tx-proto2json-X.Y-runner`



## You want to get involved? 😍



Please check out OKP4 health files :



- [Contributing](https://github.com/okp4/.github/blob/main/CONTRIBUTING.md)

- [Code of conduct](https://github.com/okp4/.github/blob/main/CODE_OF_CONDUCT.md)