billing

package

v0.0.12 Latest Latest Go to latest Published: Nov 7, 2021 License: MIT Imports: 6 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/TunnelWork/Ulysses.Lib

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Documentation ¶

Index ¶

Variables
func AddProduct(product Product) error
func Setup(d *sql.DB, sqlTblPrefix string) error
func TerminateProduct(ProductID uint64) error
func UpdateProduct(productID uint64, product Product) error
type BillingCycle
type Product
type Wallet
- func UserWallet(ownerID uint64) (*Wallet, error)
- func WalletByID(walletID uint64) (*Wallet, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrBadAmount error = errors.New("billing: bad amount input")
)

Functions ¶

func AddProduct ¶

func AddProduct(product Product) error

Add entry to database

func Setup ¶

func Setup(d *sql.DB, sqlTblPrefix string) error

func TerminateProduct ¶

func TerminateProduct(ProductID uint64) error

Terminates the product

func UpdateProduct ¶

func UpdateProduct(productID uint64, product Product) error

UpdateProduct() effectively updates OwnerID, ServerType, InstanceID, WalletID for the product specified by ProductID

Types ¶

type BillingCycle ¶

type BillingCycle uint8

const (
	PayAsYouGo BillingCycle = iota
	PerMonth
	PerQuarter
	PerYear
)

type Product ¶

type Product struct {
	ProductID uint64

	// Ownership
	OwnerID uint64

	// Server-Account binding
	ServerType string
	InstanceID string

	// billing/payment
	DateCreation    time.Time // Accurate to DAY only
	DateTermination time.Time // Accurate to DAY only
	BillingCycle    BillingCycle
	WalletID        uint64
}

func ListActiveProductsByBillingCycle ¶

func ListActiveProductsByBillingCycle(billingCycle BillingCycle) ([]Product, error)

For billing purposes

func ListAllProducts ¶

func ListAllProducts() ([]Product, error)

For admin viewing. Caller should do local pagination

func ListUserProducts ¶

func ListUserProducts(ownerID uint64) ([]Product, error)

For user viewing. Caller should do local pagination

func SelectProduct ¶

func SelectProduct(productID uint64) (Product, error)

type Wallet ¶

type Wallet struct {
	// contains filtered or unexported fields
}

func UserWallet ¶

func UserWallet(ownerID uint64) (*Wallet, error)

func WalletByID ¶

func WalletByID(walletID uint64) (*Wallet, error)

WalletByID() build a Wallet struct reflecting an entry in the database.

func (*Wallet) AvailableFund ¶

func (w *Wallet) AvailableFund() (float64, error)

func (*Wallet) Balance ¶

func (w *Wallet) Balance() (float64, error)

func (*Wallet) Charge ¶

func (w *Wallet) Charge(amount float64) error

Charge() is unsafe version of Spend(). It doesn't fail when user can't afford it. USE ONLY FOR POST-USE BILLING

func (*Wallet) Deposit ¶

func (w *Wallet) Deposit(amount float64) error

func (*Wallet) SecureFund ¶

func (w *Wallet) SecureFund(amount float64) error

func (*Wallet) Secured ¶

func (w *Wallet) Secured() (float64, error)

func (*Wallet) Spend ¶

func (w *Wallet) Spend(amount float64) error

Spend() is safe. i.e., it does not leave a negative balance will return error if not enough balance to spend

func (*Wallet) SpendSecured ¶

func (w *Wallet) SpendSecured(amount float64) error

func (*Wallet) UndoSecureFund ¶

func (w *Wallet) UndoSecureFund(amount float64) error

func (*Wallet) UploadPubkey ¶

func (w *Wallet) UploadPubkey(pubkey []byte, signature string) error

Use Ed25519 TODO: Upload to Database

func (*Wallet) VerifySignature ¶

func (w *Wallet) VerifySignature(signature, data string) error

TODO: VerifySignature()

Source Files ¶

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