v2.2.1

Fix missing dependency

v2.2.0: Implement bitcoin (#12)

* Fix Solana healthcheck

* Catch websocket exceptions for EVM collector since client does not.

* Implement bitcoin

* Update README.md for Bitcoin

v2.0.2

Catch websocket exceptions for EVM collector since client does not.

v2.0.1

Fix Solana healthcheck

v2.0.0

Complete rewrite

v1.0.3

Add evmChainID label

v1.0.2

Handle response of type `None` (#4)

v1.0.1

Totaldifficulty metric is now set to 0 for chains that do not support it

v1.0.0

Innitial commit