Using `create` with objects containing managed objects is broken: https://github.com/nim-lang/Nim/issues/22341 Switch to a safer pattern based on `new+GC_ref`/`GC_unref` instead.
* Rename data gas to blob gas * Update vendor/nim-eth and vendor/nim-web3
Add a new C library for processing light client data based on the Nimbus implementation. This can be used from other, non-Nimbus components.