Imports
- github.com/assetcloud/chain/common/log/log15
- github.com/assetcloud/chain/common/merkle
- github.com/assetcloud/chain/queue
- github.com/assetcloud/chain/system/consensus
- github.com/assetcloud/chain/system/dapp/coins/types
- github.com/assetcloud/chain/types
- github.com/golang/protobuf/proto