All Projects → hashgraph → hedera-services

hashgraph / hedera-services

Licence: Apache-2.0 license
Crypto, token, consensus, file, and smart contract services for the Hedera public ledger

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Hedera Services

Implementation of the services offered by nodes in the Hedera public network, which is built on the Platform.

Overview of child modules

  • hedera-node/ - implementation of Hedera services on the Platform.
  • test-clients/ - clients and frameworks for end-to-end testing of Services.
  • hapi-fees/ - libraries to estimate resource usage of Services operations.
  • hapi-utils/ - deprecated libraries primarily involved in fee calculation.

JVM

OpenJDK 17 is strongly recommended.

Solidity

Hedera Contracts support pragma solidity <=0.8.9.

Docker Compose quickstart

The Docker quickstart covers how to start a local network of Hedera Services nodes using Docker Compose.

Developer IntelliJ quickstart

The IntelliJ quickstart covers how to start a local network of Hedera Services nodes from IntelliJ for testing and development.

Support

If you have a question on how to use the product, please see our support guide.

Contributing

Contributions are welcome. Please see the contributing guide to see how you can get involved.

Code of Conduct

This project is governed by the Contributor Covenant Code of Conduct. By participating, you are expected to uphold this code of conduct.

License

Apache License 2.0

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