- Users can enter lottery with ETH based on a USD fee
- An admin will choose when the lottery is over
- The lottery will select a random winner
How do we test the contract?
mainnet-fork
development with mocks
testnet
brownie networks add development mainnet-fork cmd=ganache-cli host=http://127.0.0.1 fork=https://eth-mainnet.alchemyapi.io/v2/L9mpEMRyQCQTHSJ_Ycrg5qY0QC3uts3t accounts=10 mnemonic=brownie port=8545 evm_version=istanbul
https://eth-mainnet.alchemyapi.io/v2/L9mpEMRyQCQTHSJ_Ycrg5qY0QC3uts3t https://eth-mainnet.alchemyapi.io/v2/L9mpEMRyQCQTHSJ_Ycrg5qY0QC3uts3t
test smart contract is a very import step, you should test every line in the smart contract
What should I do now?
- figure out so many questions
- test文件夹下的sol文件如何编译，不同版本的sol文件
- 测试网络与本地网络的区别，分别是如何部署的
- brownie account
- vrf1 与 vrf2