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web3_python_toolkit/README.md

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-## 📚 web3-python-toolkit
-
-<br>
-
-an on-going development of a library and set of python scripts with my fav on-chain ops.
-
-<br>
-
-
-### installing
-
-```
-brew install poetry
-make install
-cp .env.example .env
-```
-
-
-<br>
-
-
-----
-
-### scripts
-
-
-#### get contracts deployed to mainnet and testnets
-
-1. add info to `.env`
-2. run 
-   `poetry run python  get_contracts_deployed.py`
-3. any output is saved to `data/`.
-
-
-
-<br>
-
-
-#### get reserve history by block for a pair of addresses
-
-1. add the pair abi to `abi`
-2. add info to `.env`
-3. run 
-   `poetry run python get_reserve_history_by_block.py`
-
-
-
-<br>
-
-#### get deep block data
-
-1. add info to `.env`
-3. run 
-   `poetry run python get_deep_block_data.py`
-
-
-
-<br>
-
----
-
-### troubleshoot
-
-##### if you see `ethereum-etl not compatible to m1` run:
-
-```
-pip uninstall ethereum-etl 
-pip install --no-binary ethereum-etl 
-```
-
-<br>
-
----
-
-### resources
-
-
-* [web3.py library](https://web3py.readthedocs.io/en/v5/)
-* [ethereum etl library](https://ethereum-etl.readthedocs.io/en/latest/quickstart/)
-
-
-<br>
-
----
-
-### relevant info
-
-##### providers
- 
-- providers are how libraries such as `web3.py` talk to the blockchain. 
-- providers take `JSON-RPC` requests and return responses
-- the most common ways to connect to your node are:
-   - IPC (uses local filesystem, fastest and most secure)
-   - Websockets (works remotely, faster than HTTP)
-   - HTTP (more nodes support it)
-
-<br>
-
-##### middleware
-
-* a web3.py instance can be configured via middleware (sitting between the web3 methods and the provider).
-* middlewares use an onion metaphor: each layer may affect both the request and response from the provider.
-* each middleware layer gets invoked before the request reaches the provider, and then processes the result after the provider returns, in reverse order.
-* we often use `geth_poa_middleware`, to run with geth's Proof-of-Authority (PoA) consensus. this adds support for more than 32 bytes in each block (the `extraData` field).