payment

type AccountResponse struct {
	NodeShortIDs []string      `json:"node_short_ids"`
	Balance      store.Balance `json:"balance"`
}

type AddressMismatchError struct {
	Prelude string
	Want    common.Address
	Got     common.Address
}

type PaymentService struct {
	NonceStore   store.NonceStore
	AccountStore store.AccountStore
	BalanceStore store.BalanceStore

	// Settle is a function that disburses the given paymentAmount and replaces
	// the current "on-chain" balance with newBalance. It returns a transaction
	// ID. If nil, then Withdraw calls will error with ErrWithdrawDisabled.
	Settle SettleHandler
	// WithdrawFee (optional) takes the withdraw total and returns the new total to withdraw (with any fees applied).
	WithdrawFee func(*big.Int) *big.Int
	// WithdrawMin (optional) is the minimum amount required to allow a withdraw.
	WithdrawMin *big.Int
}

type SettleHandler func(account store.Account, paymentAmount *big.Int, newBalance *big.Int) (txID string, err error)

type WithdrawBalanceMinimumError struct {
	Balance *big.Int
	Minimum *big.Int
}