Function: distribute()

Distributes the rewards to the reward tracker contract.

Branches and code coverage (including function calls)

Intended branches

• Should increase the balance of the RewardTracker contract.

  Test coverage

• Updates the last distribution time.

  Test coverage

• Should only send the amount of rewards that are available. This means that if the contract has less rewards than the amount of rewards that should be distributed, it will send all the rewards that it has.

  Test coverage

Negative behavior

• Should not be callable by anyone other than the RewardTracker contract.

  Negative test

• Should not allow distribution if there are no rewards to distribute.

  Negative test