util

Documentation

Index

• func ComputeSHA256(data []byte) (hash []byte)
• func ComputeSHA3256(data []byte) (hash []byte)
• func ConcatenateBytes(data ...[]byte) []byte
• func CreateUtcTimestamp() *timestamp.Timestamp
• func ExtractRemoteAddress(ctx context.Context) string
• func GenerateBytesUUID() []byte
• func GenerateUUID() string
• func ToChaincodeArgs(args ...string) [][]byte

Functions

func ComputeSHA256

func ComputeSHA256(data []byte) (hash []byte)

ComputeSHA256 returns SHA2-256 on data

func ComputeSHA3256

func ComputeSHA3256(data []byte) (hash []byte)

ComputeSHA3256 returns SHA3-256 on data

func ConcatenateBytes

func ConcatenateBytes(data ...[]byte) []byte

ConcatenateBytes is useful for combining multiple arrays of bytes, especially for signatures or digests over multiple fields

func CreateUtcTimestamp

func CreateUtcTimestamp() *timestamp.Timestamp

CreateUtcTimestamp returns a google/protobuf/Timestamp in UTC

func ExtractRemoteAddress

func ExtractRemoteAddress(ctx context.Context) string

func GenerateBytesUUID

func GenerateBytesUUID() []byte

GenerateBytesUUID returns a UUID based on RFC 4122 returning the generated bytes

func GenerateUUID

func GenerateUUID() string

GenerateUUID returns a UUID based on RFC 4122

func ToChaincodeArgs

func ToChaincodeArgs(args ...string) [][]byte

ToChaincodeArgs converts string args to []byte args