ct

Documentation

Index

• type Repo
• type Restriction
• type Service
  • func NewService(r Repo) Service
• type Transaction
  • func CreditTx(acc string, number uint, amount uint) Transaction
  • func DebitTx(acc string, number uint, amount uint) Transaction
• type TransactionType

Types

type Repo

type Repo interface {
	GetTransactions(ctx context.Context, acc string) ([]Transaction, error)
	InsertTransaction(ctx context.Context, tx Transaction) error
	NewAccount(ctx context.Context, acc string, level Restriction) error
	SetRestriction(ctx context.Context, acc string, level Restriction) error
}

type Restriction

type Restriction int

const (
	AllowRead Restriction = iota
	AllowCredit
	AllowDebit
)

type Service

type Service interface {
	Deposit(ctx context.Context, acc string, amount uint) (int, error)
	Withdraw(ctx context.Context, acc string, amount uint) (int, error)
	Balance(ctx context.Context, acc string) (int, error)
}

func NewService

func NewService(r Repo) Service

type Transaction

type Transaction interface {
	Account() string
	Number() uint
	Amount() uint
	Type() TransactionType
}

func CreditTx

func CreditTx(acc string, number uint, amount uint) Transaction

func DebitTx

func DebitTx(acc string, number uint, amount uint) Transaction

type TransactionType

type TransactionType int

const (
	Credit TransactionType = iota + 1
	Debit
)