v0.21.0

Release version 0.21.0 of Hedera JSON RPC Relay includes TTL for WS Connections, unit tests for the poller class, repeated subscriptions by the same connection and acceptance tests for connecting and disconnecting.

Enhancements

• Enable eth_getStorageAt to return older state #1016
• TTL for WS Connections #1011
• 941 add unit tests for the poller class #998
• Repeated Subscriptions by same connection #987
• WS Server should have a TTL for open connections #986
• Add acceptance tests for the connecting and disconnecting from the ws-server #944
• Add unit tests for the Poller class #941
• Support older contract state in eth_getStorageAt #790

Bug Fixes

• Fix eth_getBalance returning wrong balance #997

Contributors

Thank you to all the contributors who worked on this release:

@AlfredoG87, @ebadiere, and @georgi-l95

Full Changelog: https://github.com/hashgraph/hedera-json-rpc-relay/compare/v0.20.0...v0.21.0