calling-variations

To use:

1. git clone https://github.com/Hacker-DAO/calling-variations.git
2. Read the two contracts in calling-variations/contracts. They illustrate three different ways the Calling contract can call the two functions on the Called contract.
3. Decide what the value of the storage variable uint data will be on the Calling contract after calling each of its six functions castThenCallOk, abiEncodeThenCallOk, etc..
4. Write down your answers.
5. Look at calling-variations/test/calling.js for the correct answers.
6. Run the tests to verify this:
   1. cd calling-variations
   2. npm install
   3. npx hardhat test