callback

Documentation

Index

• func Register(typ string, listener Listener) (err error)
• type Handle
• type Listener
  • func GetListener(typ string) (listener Listener, err error)
• type Response

Functions

func Register

func Register(typ string, listener Listener) (err error)

Register register listeners for callback async responses

Types

type Handle

type Handle struct {
	ID       string
	Address  string
	Response <-chan Response
}

Handle is a registered async response handle

type Listener

type Listener interface {
	Listen(ctx context.Context) (handle *Handle, err error)
}

Listener listen for async transaction responses. Listeners must be safe for concurrent usage.

func GetListener

func GetListener(typ string) (listener Listener, err error)

GetListener gets an previously registered handler

type Response

type Response struct {
	Data  []byte
	Error error
}

Response from an async call