Practicing with smart contract and Ethereum network using solidity

What people can do repeatedly without any thoughts, we shouldn't do those stuffs more than twice, it's bored. Let the computer/bot do. Let our mind think about great things. This tries to build command line tools to help you dealing with boring tasks

a react application interacting with Lottery smart contract (https://rinkeby.etherscan.io/address/0x33a8cabFE581783e7A074D6c35b36d449F20D33E), allowing users takes part in a lottery and having a chance to win some amount of Ethers