Imports github.com/golang/protobuf/proto github.com/hyperledger/fabric-protos-go/common github.com/hyperledger/fabric-protos-go/msp github.com/hyperledger/fabric-sdk-go/pkg/common/logging github.com/hyperledger/fabric-sdk-go/pkg/common/providers/fab github.com/pkg/errors Standard library imports fmt math/rand reflect