Ethereum

Python Web3 documentation https://web3py.readthedocs.io/en/stable

Website to develop contract https://remix.ethereum.org/

Requirements

We need:

• etherum node, my choice is Geth (https://geth.ethereum.org/install-and-build/Installing-Geth)
• python3
• python lib web3, which help connect to etherum node
• solc, compiler smart contracs

Install

apt-get install software-properties-common
add-apt-repository -y ppa:ethereum/ethereum
apt-get update
apt-get install ethereum geth python3.6 python3.6-dev python3.6-pip wget
pip install py-solc
pip install py-solc-x
pip install -r requirements.txt
python -m solc.install v0.4.25
# python need older version solc in version v0.4.25; 1.05.19
# DO NOT! apt-get install solc 

To run node eherum in dev mode

geth --dev console --rpc

Send eth

eth.sendTransaction({'from':eth.coinbase, 'to':'0xF464A67CA59606f0fFE159092FF2F474d69FD675', 'value':1000000000000000000000})