Explain New Language, Same old mistake
Tutorial using Hardhat(Buidler) to complie, deploy and automated unit tests Solidity smart contract.
you can use this project for learning
To run these tutorials, you must have the following installed:
$ yarn installto compile your smart contract to get an ABI and artifact of a smart contract.
$ yarn compilefor a unit testing smart contract using the command line.
$ yarn test:guessnumber
expecting guess-number.js result.
$ npx hardhat test test/guess-number.test.js
GuessTheNumber
✔ Guess should be failed
1) Guess should be success
✔ getValue initialized contract balance
✔ getValue after someone guess the number
3 passing (247ms)
1 failing
1) GuessTheNumber
Guess should be success:
AssertionError: Expected event "success" to be emitted, but it wasn't
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
after testing if you want to deploy the contract using the command line.
$ yarn rpc
$ yarn exploit
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