Imports github.com/golang/protobuf/proto github.com/google/uuid github.com/hyperledger/fabric-chaincode-go/shim github.com/hyperledger/fabric-protos-go/msp github.com/hyperledger/fabric-protos-go/peer github.com/sirupsen/logrus gopkg.in/go-playground/validator.v9 Standard library imports chaincode/errors encoding/json fmt io/ioutil math/rand os strings sync time