Imports github.com/golang/protobuf/proto github.com/golang/protobuf/ptypes github.com/golang/protobuf/ptypes/timestamp github.com/hyperledger/fabric-chaincode-go/shim github.com/hyperledger/fabric-protos-go/ledger/queryresult github.com/hyperledger/fabric-protos-go/peer Standard library imports container/list crypto/rand errors fmt math/big runtime/debug strings time unicode/utf8