ape-foundry: Ape network provider for Foundry
Project description
Quick Start
Foundry network provider plugin for Ape. Foundry is a development framework written in Rust for Ethereum that includes a local network implementation.
Dependencies
- python3 version 3.8 up to 3.11.
- Foundry. See Foundry's Installation documentation for steps.
Installation
via pip
You can install the latest release via pip:
pip install ape-foundry
via setuptools
You can clone the repository and use setuptools for the most up-to-date version:
git clone https://github.com/ApeWorX/ape-foundry.git
cd ape-foundry
python3 setup.py install
Quick Usage
Use the --network ethereum:local:foundry command line flag to use the foundry network (if it's not already configured as the default).
This network provider takes additional Foundry-specific configuration options. To use them, add these configs in your project's ape-config.yaml:
foundry:
port: 8555
To select a random port, use a value of "auto":
foundry:
port: auto
This is useful for multiprocessing and starting up multiple providers.
You can also adjust the request timeout setting:
foundry:
request_timeout: 20 # Defaults to 30
fork_request_timeout: 600 # Defaults to 300
Mainnet Fork
The ape-foundry plugin also includes a mainnet fork provider.
It requires using another provider that has access to mainnet.
Use it in most commands like this:
ape console --network :mainnet-fork:foundry
Specify the upstream archive-data provider in your ape-config.yaml:
foundry:
fork:
ethereum:
mainnet:
upstream_provider: alchemy
Otherwise, it defaults to the default mainnet provider plugin.
You can also specify a block_number and evm_version.
If the block number is specified, but no EVM version is specified, it is automatically set based on the block height for known networks.
NOTE: Make sure you have the upstream provider plugin installed for ape.
ape plugins install alchemy
Remote Anvil Node
To connect to a remote anvil node, set up your config like this:
foundry:
host: https://anvil.example.com
Now, instead of launching a local process, it will attempt to connect to the remote anvil node and use this plugin as the ape interface.
Impersonate Accounts
You can impersonate accounts using the ape-foundry plugin.
To impersonate an account, do the following:
import pytest
@pytest.fixture
def whale(accounts):
return accounts["example.eth"]
To transact, your impersonated account must have a balance.
You can achieve this by using a forked network and impersonating an account with a balance.
Alternatively, you can set your node's base fee and priority fee to 0.
To programtically set an account's balance, do the following:
from ape import accounts
account = accounts["example.eth"]
account.balance = "1000 ETH" # This calls `anvil_setBalance` under-the-hood.
Base Fee and Priority Fee
Configure your node's base fee and priority fee using the ape-config.yaml file.
foundry:
base_fee: 0
priority_fee: 0
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