Imports
- github.com/hyperledger/fabric/common/flogging
- github.com/hyperledger/fabric/orderer/common/msgprocessor
- github.com/hyperledger/fabric/orderer/common/util
- github.com/hyperledger/fabric/protos/common
- github.com/hyperledger/fabric/protos/orderer
- github.com/op/go-logging
- github.com/pkg/errors