cid

package

v0.0.0-...-7a4b066 Latest Latest Go to latest Published: Aug 3, 2021 License: Apache-2.0 Imports: 9 Imported by: 0

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Package cid - provides methods for ContentID struct.

ContentID is wrapper over cid of a file stored in the system.

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type ContentID struct {
	// contains filtered or unexported fields
}

ContentID represents a CID.

func NewContentID(cidStr string) (*ContentID, error)

NewContentID creates a ContentID object from a cid string.

func NewContentIDFromFile(reader io.Reader) (*ContentID, error)

NewContentIDFromFile creates a ContentID object from a given file.

func NewRandomContentID() *ContentID

NewRandomContentID creates a random ContentID object.

func (n ContentID) CalculateHash() ([]byte, error)

CalculateHash hashes the values of a ContentID.

func (n ContentID) Equals(other merkletree.Content) (bool, error)

Equals tests for equality of two ContentIDs.

func (n *ContentID) FromBytes(p []byte) error

FromBytes is used to turn bytes into ContentID.

func (n *ContentID) GetHashID() (string, error)

GetHashID gets a 32 bytes hash of this cid string in hex string format

func (n *ContentID) ToBytes() ([]byte, error)

ToBytes is used to turn CID into bytes.

func (n *ContentID) ToString() string

ToString returns a string for the ContentID.