common

Documentation

Index

• func SetTransferActionMetadata(attrs map[interface{}]interface{}, metadata map[string][]byte)
• type Backend
  • func NewBackend(ledger driver.GetStateFnc, message []byte, sigs [][]byte) *Backend
  • func (b *Backend) GetState(key string) ([]byte, error)
  • func (b *Backend) HasBeenSignedBy(id view.Identity, verifier driver.Verifier) ([]byte, error)
  • func (b *Backend) Signatures() [][]byte

Functions

func SetTransferActionMetadata

func SetTransferActionMetadata(attrs map[interface{}]interface{}, metadata map[string][]byte)

SetTransferActionMetadata extracts the transfer metadata from the passed attributes and sets them to the passed metadata

Types

type Backend

type Backend struct {
	// Ledger to access the ledger state
	Ledger driver.GetStateFnc
	// signed Message
	Message []byte
	// Cursor is used to iterate over the signatures
	Cursor int
	// signatures on Message
	Sigs [][]byte
}

func NewBackend

func NewBackend(ledger driver.GetStateFnc, message []byte, sigs [][]byte) *Backend

func (*Backend) GetState

func (b *Backend) GetState(key string) ([]byte, error)

func (*Backend) HasBeenSignedBy

func (b *Backend) HasBeenSignedBy(id view.Identity, verifier driver.Verifier) ([]byte, error)

HasBeenSignedBy checks if a given Message has been signed by the signing identity matching the passed verifier

func (*Backend) Signatures

func (b *Backend) Signatures() [][]byte