ValidationError: {'l2_gas_price': ['Unknown field.']}

[NikitaMishin]

What happened

marshmallow.exceptions.ValidationError: {'l2_gas_price': ['Unknown field.']}
on testnet sepolia against recent version of pathfinder node (v15), not the issue on mainnet as far as i can tell

Does it refers to #1510 ?

Stack trace

File "/Users/mac/cairo_venv/lib/python3.9/site-packages/starknet_py/net/full_node_client.py", line 121, in get_block
return cast(StarknetBlock, StarknetBlockSchema().load(res))
File "/Users/mac/cairo_venv/lib/python3.9/site-packages/marshmallow/schema.py", line 722, in load
return self._do_load(
File "/Users/mac/cairo_venv/lib/python3.9/site-packages/marshmallow/schema.py", line 909, in _do_load
raise exc
marshmallow.exceptions.ValidationError: {'l2_gas_price': ['Unknown field.']}

Steps to reproduce

Interact with latest docker image of pathfinder v15

SDK Version

0.24.2

Python version

3.9.19

What operating system are you using?

Mac

Is there an existing issue for this?

• I have searched the existing issues and verified no issue exits for this problem.

[franciszekjob]

Hi @NikitaMishin , this is not a bug - pathfinder v15 uses RPC 0.8.0, there were some breaking changes in fee estimation model, hence the error. We're working towards updating to new RPC :).