Function: setAllowedToken(byte[32] _tokenHash, bool _allowed)

This allows the owner of the contract to add the allowed token hash and also remove it from allowedTokenSet.

Inputs

• _tokenHash

  • Control: Full control by owner.

  • Constraints: N/A.

  • Impact: There is no impact since it is not used.

• _allowed

  • Control: Full control by owner.

  • Constraints: N/A.

  • Impact: If _allowed is true, the _tokenHash will be added to the allowedTokenSet; if _allowed is false, the _tokenHash will be removed from allowedTokenSet.

Branches and code coverage

Intended branches

• New hash was added successfully if _allowed is true.

  Test coverage

• New hash was removed successfully if _allowed is false.

  Test coverage

Negative behavior

• Zero hash.

  Negative test

• The same hash already added if _allowed is true.

  Negative test

• allowedTokenSet does not contain the hash if _allowed is false.

  Negative test

• Caller is not an owner.

  Negative test