Workaround for Proxy Contracts on eth-brownie

See tests/fixtures.py on how I did my Proxy Contract wrapping using other ContractContainers

The contracts in contracts/ directory is a simple-to-use Proxy Example by github/tagupta; If interested, check out her contract repo Proxy-Contract

TL;DR

The following snippet works.

from brownie import Proxy, Impl
from brownie.exceptions import ContractExists
from brownie.network.contract import ProjectContract, ContractContainer
from brownie.project.main import get_loaded_projects, Project

def wrap_proxy(contract_container: ContractContainer = Impl, contract_name: str = 'Impl') -> Impl:
  impl: Impl   = Impl.at('0x...')  # Deplyed Impl
  proxy: Proxy = Proxy.at('0x...') # Deployed Proxy
  impl_proxy: Impl
  try:
    impl_proxy = Impl.at(proxy.address)
  except ContractExists:
    project: Project = get_loaded_projects()[0]
    build: dict      = {'abi': contract_container.abi, 'contractName': contract_name}
    impl_proxy       = ProjectContract(project, build=build, address=proxy.address)
  return impl_proxy

Contributions

Clone the Repository to your local machine and set up your environment with poetry

pip install poetry
poetry install

Tests

To run tests;

pytest tests/*

License

This project is licensed under the terms of the MIT license.