services

Documentation

Index

• Variables
• type IUserService
• type IWalletService
• type SortOrder
• type UserService
  • func NewUserService(db *gorm.DB) *UserService
  • func (svc *UserService) GetUserByName(name string) (*models.User, bool, error)
• type WalletService
  • func NewWalletService(db *gorm.DB) *WalletService
  • func (s *WalletService) Deposit(userID uint, currency string, amount decimal.Decimal) error
  • func (s *WalletService) GetBalances(userID uint, currencies []string) ([]models.Vault, error)
  • func (s *WalletService) GetTransactionHistory(userID uint, txnType models.TransactionType, cursor string, order SortOrder, ...) ([]models.Transaction, string, error)
  • func (s *WalletService) Transfer(senderID, recipientID uint, currency string, amount decimal.Decimal, ...) error
  • func (s *WalletService) Withdraw(userID uint, currency string, amount decimal.Decimal) error

Variables

var (
	ErrUnauthorized = errors.New("Unauthorized")
	ErrUserNotFound = errors.New("user not found")
)

var (
	ErrInvalidAmount       = errors.New("invalid amount")
	ErrInsufficientBalance = errors.New("insufficient balance")
)

Types

type IUserService

type IUserService interface {
	GetUserByName(name string) (*models.User, bool, error)
}

type IWalletService

type IWalletService interface {
	Deposit(userID uint, currency string, amount decimal.Decimal) error
	Withdraw(userID uint, currency string, amount decimal.Decimal) error
	Transfer(senderID, recipientID uint, currency string, amount decimal.Decimal, memo string) error
	GetBalances(userID uint, currencies []string) ([]models.Vault, error)
	GetTransactionHistory(userID uint, txnType models.TransactionType, cursor string, order SortOrder, limit int) ([]models.Transaction, string, error)
}

type SortOrder

type SortOrder int

const (
	SortOrderAsc SortOrder = iota
	SortOrderDesc
)

type UserService

type UserService struct {
	DB *gorm.DB
}

UserService represents the service for user-related operations

func NewUserService

func NewUserService(db *gorm.DB) *UserService

func (*UserService) GetUserByName

func (svc *UserService) GetUserByName(name string) (*models.User, bool, error)

type WalletService

type WalletService struct {
	DB *gorm.DB
}

WalletService represents the service for wallet-related operations

func NewWalletService

func NewWalletService(db *gorm.DB) *WalletService

func (*WalletService) Deposit

func (s *WalletService) Deposit(userID uint, currency string, amount decimal.Decimal) error

func (*WalletService) GetBalances

func (s *WalletService) GetBalances(userID uint, currencies []string) ([]models.Vault, error)

func (*WalletService) GetTransactionHistory

func (s *WalletService) GetTransactionHistory(
	userID uint, txnType models.TransactionType, cursor string, order SortOrder, limit int) ([]models.Transaction, string, error)

GetTransactionHistory retrieves paginated transaction history using a unique cursor with filters

func (*WalletService) Transfer

func (s *WalletService) Transfer(senderID, recipientID uint, currency string, amount decimal.Decimal, memo string) error

func (*WalletService) Withdraw

func (s *WalletService) Withdraw(userID uint, currency string, amount decimal.Decimal) error