libutils

func AssertAdmin ¶

func AssertAdmin(ctx contractapi.TransactionContextInterface) error

func CertificateAlreadyExists ¶

func CertificateAlreadyExists(ctx contractapi.TransactionContextInterface, certPemBase64 string, indexName string, attributes []string) (bool, error)

CertificateAlreadyExists check if the certificate already exists in the world-state deprecated: Certificates will be stored in ledger, only public key

Arguments:

0: certPemBase64 - certificate to validate
1: indexName -
2: attributes -

Returns:

0: bool
1: error

func CheckAttr ¶

func CheckAttr(name, value string, attrs *attrmgr.Attributes) (bool, error)

CheckAttr return value for a certificate attribute or check the value of an attribute

func CheckSignatureFrom ¶

func CheckSignatureFrom(certRoot []byte, certIssue []byte) error

CheckSignatureFrom verifies that the signature on certIssue is a valid signature from Root Cert.

func CompareCertsPemBase64 ¶

func CompareCertsPemBase64(cert1, cert2 string) bool

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 ConstructQueryResponseFromIterator ¶

func ConstructQueryResponseFromIterator(resultsIterator shim.StateQueryIteratorInterface) ([]interface{}, error)

ConstructQueryResponseFromIterator constructs a slice of assets from the resultsIterator

func Contains ¶

func Contains(arr []string, elem string) bool

func CreateIndex ¶

func CreateIndex(stub shim.ChaincodeStubInterface, indexName string, attributes []string) error

CreateIndex create search index for ledger

Arguments:

0: indexName -
1: attributes -

Returns:

0: error

func DeepCopy ¶

func DeepCopy(v interface{}) (interface{}, error)

func DeleteIndex ¶

func DeleteIndex(stub shim.ChaincodeStubInterface, indexName string, attributes []string, validateDelState bool) error

DeleteIndex remove search index for ledger

Arguments:

0: indexName -
1: attributes -

Returns:

0: error

func DidFormat ¶

func DidFormat(hashPubKey string) string

func FunctionCompare ¶

func FunctionCompare(f1, f2 string) (bool, error)

FunctionCompare compares one function name with another, the input parameter can be in the form "org.tecnomatica.participant:GetParticipant"

func GenerateUUIDBytes ¶

func GenerateUUIDBytes() []byte

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

func GenerateUUIDFormatDate ¶

func GenerateUUIDFormatDate(stub shim.ChaincodeStubInterface) string

func GenerateUUIDStr ¶

func GenerateUUIDStr() string

GenerateUUIDStr returns a UUID based on RFC 4122

func GetAttrsNonStandardCert ¶

func GetAttrsNonStandardCert(certPem []byte) (map[string]string, error)

func GetBoolOrDefault ¶

func GetBoolOrDefault(value string, defaultVal bool) bool

GetBoolOrDefault Note that the method returns default value if the string cannot be parsed!

func GetDateCertificate ¶

func GetDateCertificate(cert *x509.Certificate) map[string]string

GetDateCertificate returns the issue and expiration date of a certificate

func GetEnvOrDefault ¶

func GetEnvOrDefault(env, defaultVal string) string

func GetPublicKey ¶

func GetPublicKey(cert *x509.Certificate) (string, error)

func GetQueryResultForQueryString ¶

func GetQueryResultForQueryString(ctx contractapi.TransactionContextInterface, queryString string) ([]interface{}, error)

GetQueryResultForQueryString executes the passed in query string. The result set is built and returned as a byte array containing the JSON results.

func GetQueryResultForQueryStringWithPagination ¶

func GetQueryResultForQueryStringWithPagination(ctx contractapi.TransactionContextInterface, queryString string, pageSize int32, bookmark string) (*model.PaginatedQueryResponse, error)

GetQueryResultForQueryStringWithPagination executes the passed in query string with pagination info. The result set is built and returned as a byte array containing the JSON results.

func GetTxTimestampRFC3339 ¶

func GetTxTimestampRFC3339(stub shim.ChaincodeStubInterface) (string, error)

func GetX509CertFromPem ¶

func GetX509CertFromPem(certPemBase64 string) (*x509.Certificate, error)

GetX509CertFromPem use to validate cert

func GetX509CertFromPemByte ¶

func GetX509CertFromPemByte(certPem []byte) (*x509.Certificate, error)

GetX509CertFromPemByte use to validate cert

func HasExpired ¶

func HasExpired(cert *x509.Certificate) error

func MapToSlice ¶

func MapToSlice(dMap map[string]string) []string

func NormalizeString ¶

func NormalizeString(text string) string

NormalizeString

func ParseRFC3339toTime ¶

func ParseRFC3339toTime(tm string) (time.Time, error)

func SliceToMap ¶

func SliceToMap(slice []string, dMap map[string]string)

func ToChaincodeArgs ¶

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

ToChaincodeArgs converts string args to []byte args

func UpdateJSON ¶

func UpdateJSON(request interface{}, stateDB interface{}) ([]byte, error)

func VerifyIssuedByRootCert ¶

func VerifyIssuedByRootCert(certRoot []byte, certIssue []byte) error

VerifyIssuedByRootCert Verify cert issued by Root Certificate.

func VerifySignature ¶

func VerifySignature(message string, key string) ([]byte, error)