util

package
v2.0.0-alpha+incompatible Latest Latest
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Published: Apr 9, 2019 License: Apache-2.0 Imports: 10 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

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 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 GetSysCCVersion

func GetSysCCVersion() string

GetSysCCVersion returns the version of all system chaincodes This needs to be revisited on policies around system chaincode "upgrades" from user and relationship with "fabric" upgrade. For now keep it simple and use the fabric's version stamp

func GetTestChainID

func GetTestChainID() string

GetTestChainID returns the CHAINID constant in use by orderer

func ToChaincodeArgs

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

ToChaincodeArgs converts string args to []byte args

Types

This section is empty.

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