settlement

type Interface interface {
	// Pay initiates a payment to the given peer
	// It should return without error it is likely that the payment worked
	Pay(ctx context.Context, peer boson.Address, paymentThreshold *big.Int) error

	TransferTraffic(peer boson.Address) (traffic *big.Int, err error)

	RetrieveTraffic(peer boson.Address) (traffic *big.Int, err error)

	PutRetrieveTraffic(peer boson.Address, traffic *big.Int) error

	PutTransferTraffic(peer boson.Address, traffic *big.Int) error

	// AvailableBalance Get actual available balance
	AvailableBalance() (*big.Int, error)

	// SetNotifyPaymentFunc sets the NotifyPaymentFunc to notify
	SetNotifyPaymentFunc(notifyPaymentFunc NotifyPaymentFunc)

	GetPeerBalance(peer boson.Address) (*big.Int, error)

	GetUnPaidBalance(peer boson.Address) (*big.Int, error)
}

type NotifyPaymentFunc func(peer boson.Address, amount *big.Int) error