// EXP_ExecuteWithBinding executes a transaction with a specific binding/TXHandler
func (d *Devops) EXP_ExecuteWithBinding(ctx context.Context, executeWithBinding *pb.ExecuteWithBinding) (*pb.Response, error) {
if d.isSecurityEnabled {
devopsLogger.Debug("Getting TxHandler for binding")
txHandler, err := d.bindingMap.getTxHandlerForBinding(executeWithBinding.Binding)
if nil != err {
return &pb.Response{Status: pb.Response_FAILURE, Msg: []byte(err.Error())}, nil
}
ctorbytes, merr := asn1.Marshal(*executeWithBinding.ChaincodeInvocationSpec.ChaincodeSpec.CtorMsg)
if merr != nil {
return nil, fmt.Errorf("Error marshalling constructor: %s", err)
}
tid, generr := util.GenerateIDWithAlg("", ctorbytes)
if generr != nil {
return nil, fmt.Errorf("Error: cannot generate TX ID (executing with binding)")
}
tx, err := txHandler.NewChaincodeExecute(executeWithBinding.ChaincodeInvocationSpec, tid)
if err != nil {
return nil, fmt.Errorf("Error creating executing with binding: %s", err)
}
return d.coord.ExecuteTransaction(tx), nil
//return &pb.Response{Status: pb.Response_FAILURE, Msg: []byte("NOT IMPLEMENTED")}, nil
//return &pb.Response{Status: pb.Response_SUCCESS, Msg: sigmaOutputBytes}, nil
}
devopsLogger.Warning("Security NOT enabled")
return &pb.Response{Status: pb.Response_FAILURE, Msg: []byte("Security NOT enabled")}, nil
}
func (d *Devops) invokeOrQuery(ctx context.Context, chaincodeInvocationSpec *pb.ChaincodeInvocationSpec, attributes []string, invoke bool) (*pb.Response, error) {
if chaincodeInvocationSpec.ChaincodeSpec.ChaincodeID.Name == "" {
return nil, fmt.Errorf("name not given for invoke/query")
}
// Now create the Transactions message and send to Peer.
var customIDgenAlg = strings.ToLower(chaincodeInvocationSpec.IdGenerationAlg)
var id string
var generr error
if customIDgenAlg != "" {
id, generr = util.GenerateIDWithAlg(customIDgenAlg, chaincodeInvocationSpec.ChaincodeSpec.CtorMsg.Args[0])
if generr != nil {
return nil, generr
}
} else {
id = util.GenerateUUID()
}
devopsLogger.Infof("Transaction ID: %v", id)
var transaction *pb.Transaction
var err error
var sec crypto.Client
if peer.SecurityEnabled() {
if devopsLogger.IsEnabledFor(logging.DEBUG) {
devopsLogger.Debugf("Initializing secure devops using context %s", chaincodeInvocationSpec.ChaincodeSpec.SecureContext)
}
sec, err = crypto.InitClient(chaincodeInvocationSpec.ChaincodeSpec.SecureContext, nil)
defer crypto.CloseClient(sec)
// remove the security context since we are no longer need it down stream
chaincodeInvocationSpec.ChaincodeSpec.SecureContext = ""
if nil != err {
return nil, err
}
}
transaction, err = d.createExecTx(chaincodeInvocationSpec, attributes, id, invoke, sec)
if err != nil {
return nil, err
}
if devopsLogger.IsEnabledFor(logging.DEBUG) {
devopsLogger.Debugf("Sending invocation transaction (%s) to validator", transaction.Uuid)
}
resp := d.coord.ExecuteTransaction(transaction)
if resp.Status == pb.Response_FAILURE {
err = fmt.Errorf(string(resp.Msg))
} else {
if !invoke && nil != sec && viper.GetBool("security.privacy") {
if resp.Msg, err = sec.DecryptQueryResult(transaction, resp.Msg); nil != err {
devopsLogger.Errorf("Failed decrypting query transaction result %s", string(resp.Msg[:]))
//resp = &pb.Response{Status: pb.Response_FAILURE, Msg: []byte(err.Error())}
}
}
}
return resp, err
}
