bank

var (
	// ErrAccountNotExist means query account not exist
	ErrAccountNotExist = fmt.Errorf("Account not exist")

	// ErrBalanceNotEnough means account does not have enough money
	ErrBalanceNotEnough = fmt.Errorf("Balance not enough")

	// ErrSelfTransfer means trade want to transfer money to the same account
	ErrSelfTransfer = fmt.Errorf("Self transfer")

	// ErrUpdateBalance
	ErrUpdateBalance = fmt.Errorf("fail to update balance")

	// ErrInvalidDealing
	ErrInvalidDealing = fmt.Errorf("Invalid dealing")
)