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mockendorserserver.go
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mockendorserserver.go
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/*
Copyright SecureKey Technologies Inc. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package mocks
import (
"fmt"
"net"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/grpc"
rwsetutil "github.com/hyperledger/fabric-sdk-go/third_party/github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/rwsetutil"
kvrwset "github.com/hyperledger/fabric-sdk-go/third_party/github.com/hyperledger/fabric/protos/ledger/rwset/kvrwset"
pb "github.com/hyperledger/fabric-sdk-go/third_party/github.com/hyperledger/fabric/protos/peer"
)
// MockEndorserServer mock endoreser server to process endorsement proposals
type MockEndorserServer struct {
ProposalError error
AddkvWrite bool
}
// ProcessProposal mock implementation that returns success if error is not set
// error if it is
func (m *MockEndorserServer) ProcessProposal(context context.Context,
proposal *pb.SignedProposal) (*pb.ProposalResponse, error) {
if m.ProposalError == nil {
return &pb.ProposalResponse{Response: &pb.Response{
Status: 200,
}, Endorsement: &pb.Endorsement{Endorser: []byte("endorser"), Signature: []byte("signature")},
Payload: m.createProposalResponsePayload()}, nil
}
return &pb.ProposalResponse{Response: &pb.Response{
Status: 500,
Message: m.ProposalError.Error(),
}}, m.ProposalError
}
func (m *MockEndorserServer) createProposalResponsePayload() []byte {
prp := &pb.ProposalResponsePayload{}
ccAction := &pb.ChaincodeAction{}
txRwSet := &rwsetutil.TxRwSet{}
if m.AddkvWrite {
txRwSet.NsRwSets = []*rwsetutil.NsRwSet{
&rwsetutil.NsRwSet{NameSpace: "ns1", KvRwSet: &kvrwset.KVRWSet{
Reads: []*kvrwset.KVRead{&kvrwset.KVRead{Key: "key1", Version: &kvrwset.Version{BlockNum: 1, TxNum: 1}}},
Writes: []*kvrwset.KVWrite{&kvrwset.KVWrite{Key: "key2", IsDelete: false, Value: []byte("value2")}},
}}}
}
txRWSetBytes, err := txRwSet.ToProtoBytes()
if err != nil {
return nil
}
ccAction.Results = txRWSetBytes
ccActionBytes, err := proto.Marshal(ccAction)
if err != nil {
return nil
}
prp.Extension = ccActionBytes
prpBytes, err := proto.Marshal(prp)
if err != nil {
return nil
}
return prpBytes
}
//StartEndorserServer starts mock server for unit testing purpose
func StartEndorserServer(endorserTestURL string) *MockEndorserServer {
grpcServer := grpc.NewServer()
lis, err := net.Listen("tcp", endorserTestURL)
if err != nil {
panic(fmt.Sprintf("Error starting endorser server: %s", err))
}
endorserServer := &MockEndorserServer{}
pb.RegisterEndorserServer(grpcServer, endorserServer)
fmt.Printf("Test endorser server started\n")
go grpcServer.Serve(lis)
return endorserServer
}