extension

Documentation

Index

• Constants
• func GetTransferData(extendedData GsExtended) (datatransfer.Message, error)
• func ToExtensionData(msg datatransfer.Message) (graphsync.ExtensionData, error)
• type GsExtended

Constants

const (
	// ExtensionDataTransfer is the identifier for the data transfer extension to graphsync
	ExtensionDataTransfer = graphsync.ExtensionName("fil/data-transfer")
)

Functions

func GetTransferData

func GetTransferData(extendedData GsExtended) (datatransfer.Message, error)

GetTransferData unmarshals extension data. Returns:

• nil + nil if the extension is not found
• nil + error if the extendedData fails to unmarshal
• unmarshaled ExtensionDataTransferData + nil if all goes well

func ToExtensionData

func ToExtensionData(msg datatransfer.Message) (graphsync.ExtensionData, error)

ToExtensionData converts a message to a graphsync extension

Types

type GsExtended

type GsExtended interface {
	Extension(name graphsync.ExtensionName) ([]byte, bool)
}

GsExtended is a small interface used by getExtensionData