Imports github.com/golang/protobuf/proto github.com/pkg/errors github.com/hyperledger/fabric/protos/msp github.com/hyperledger/fabric/protos/gossip github.com/hyperledger/fabric/protos/discovery github.com/hyperledger/fabric/common/util google.golang.org/grpc Standard library imports context encoding/hex encoding/json fmt math/rand sort sync time