https://blog.web3labs.com/announcing-web3j-support-for-eip-1559
https://github.com/ethers-io/ethers.js/issues/1610
https://github.com/ethers-io/ethers.js/commit/7a12216cfbd3f86b917451924957471b8be21a8b
https://web3py.readthedocs.io/en/stable/web3.eth.html#web3.eth.Eth.send_transaction
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