PetuniaInterface.sol

contract Petunia is owned {

  //constructor
  function Petunia(address _billingAddress)

  function getStatus(uint externalPaymentId) constant returns (string)

  function getPrice(uint externalPaymentId) constant returns(uint)

  function startNewPayment(uint externalPaymentId, uint price) onlyOwner

  function pay(uint externalPaymentId) payable

  function complete(uint externalPaymentId) onlyOwner

  function refund(uint externalPaymentId) onlyOwner
}