Function: registerAllowedRole(Role role, address account, address signer, bool allowed)

Allows owner of contract to grant role for an account and also add a trusted signer.

Inputs

• role

  • Constraints: The Minter or Redeemer role.

  • Impact: An account with a role will be able to mint and redeem eUSD tokens.

• account

  • Constraints: Account != address(0).

  • Impact: The receiver of the role.

• signer

  • Constraints: Signer != address(0).

  • Impact: The trusted signer for an account.

• allowed

  • Constraints: No.

  • Impact: The owner can set and remove the allowance for the signer.

Branches and code coverage (including function calls)

Intended branches

• The account has the role.

  Test coverage

Negative behavior

• The caller is not an owner.

  Negative test

• The account already has a role.

  Negative test

• The account with the role already has the signer.

  Negative test