util

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 ¶ added in v1.1.0

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