Imports github.com/golang/protobuf/proto github.com/hyperledger/fabric/core/container/util github.com/hyperledger/fabric/core/util github.com/hyperledger/fabric/protos github.com/op/go-logging github.com/spf13/viper Standard library imports archive/tar bytes encoding/hex errors fmt io/ioutil os/exec path/filepath strings time net/url os