remote signer grpc server

.github/workflows/tests.yml

@@ -17,19 +17,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Install and setup go
-      - name: Set up Go 1.19
+      - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: '^1.19'
+          go-version: '^1.21.4'
 
       # checkout horcrux
       - name: checkout horcrux
         uses: actions/checkout@v3
 
-      # make sure proto files are up to date
-      - name: generate fresh signer proto .go files
-        run: make signer-proto
-
       # run tests
       - name: run horcrux tests
         run: make test
@@ -48,21 +44,18 @@ jobs:
           - Test2Of3SignerThreeSentriesUniqueConnection
           - TestUpgradeValidatorToHorcrux
           - TestSingleSignerTwoSentries
+          - TestHorcruxProxyGRPC
     steps:
       # Install and setup go
-      - name: Set up Go 1.20
+      - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: '^1.20.0'
+          go-version: '^1.21.4'
 
       # checkout horcrux
       - name: checkout horcrux
         uses: actions/checkout@v3
 
-      # make sure proto files are up to date
-      - name: generate fresh signer proto .go files
-        run: make signer-proto
-
       # run test matrix
       - name: run test
         run: cd test && go test -v -timeout 30m -run ^${{ matrix.test }}$ .

Makefile

@@ -38,18 +38,22 @@ build-horcrux-docker:
 mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
 mkfile_dir := $(dir $(mkfile_path))
 
-signer-proto:
-	docker run \
-	  --rm \
-	  -u $(shell id -u ${USER}):$(shell id -g ${USER}) \
-		--mount type=bind,source=$(mkfile_dir)/signer/proto,target=/horcrux/signer/proto \
-		--entrypoint protoc \
-		namely/protoc-all \
-		--go_out=/horcrux \
-		--go_opt=paths=source_relative \
-		--go-grpc_out=/horcrux \
-		--go-grpc_opt=paths=source_relative \
-		--proto_path /horcrux \
-		$(shell find $(mkfile_dir) -name *.proto -printf "%P\n")
+DOCKER := $(shell which docker)
+protoVer=0.11.2
+protoImageName=ghcr.io/cosmos/proto-builder:$(protoVer)
+protoImage=$(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace $(protoImageName)
+
+proto-all: proto-format proto-lint proto-gen
+
+proto-gen:
+	@echo "Generating Protobuf files"
+	@$(protoImage) sh ./scripts/protocgen.sh
+
+proto-format:
+	@$(protoImage) find ./ -name "*.proto" -exec clang-format -i {} \;
+
+proto-lint:
+	@$(protoImage) buf lint --error-format=json
+
 
 .PHONY: all lint test race msan tools clean build

cmd/horcrux/cmd/config.go

@@ -18,6 +18,7 @@ const (
 	flagGRPCTimeout = "grpc-timeout"
 	flagOverwrite   = "overwrite"
 	flagBare        = "bare"
+	flagGRPCAddress = "flagGRPCAddress"
 )
 
 func configCmd() *cobra.Command {
@@ -67,7 +68,8 @@ for threshold signer mode, --cosigner flags and --threshold flag are required.
 			if keyDirFlag != "" {
 				keyDir = &keyDirFlag
 			}
-			debugAddr, _ := cmdFlags.GetString("debug-addr")
+			debugAddr, _ := cmdFlags.GetString(flagDebugAddr)
+			grpcAddr, _ := cmdFlags.GetString(flagGRPCAddress)
 			if signMode == string(signer.SignModeThreshold) {
 				// Threshold Mode Config
 				cosignersFlag, _ := cmdFlags.GetStringSlice(flagCosigner)
@@ -90,6 +92,7 @@ for threshold signer mode, --cosigner flags and --threshold flag are required.
 					},
 					ChainNodes: cn,
 					DebugAddr:  debugAddr,
+					GRPCAddr:   grpcAddr,
 				}
 
 				if !bare {
@@ -158,5 +161,6 @@ for threshold signer mode, --cosigner flags and --threshold flag are required.
 		false,
 		"allows initialization without providing any flags. If flags are provided, will not perform final validation",
 	)
+	f.StringP(flagGRPCAddress, "g", "", "GRPC address if listener should be enabled")
 	return cmd
 }

cmd/horcrux/cmd/config_test.go

@@ -47,6 +47,7 @@ chainNodes:
 - privValAddr: tcp://10.168.0.1:1234
 - privValAddr: tcp://10.168.0.2:1234
 debugAddr: ""
+grpcAddr: ""
 `,
 		},
 		{
@@ -62,6 +63,7 @@ chainNodes:
 - privValAddr: tcp://10.168.0.1:1234
 - privValAddr: tcp://10.168.0.2:1234
 debugAddr: ""
+grpcAddr: ""
 `,
 		},
 		{

cmd/horcrux/cmd/leader_election.go

@@ -69,16 +69,16 @@ horcrux elect 2 # elect specific leader`,
 			ctx, cancelFunc := context.WithTimeout(context.Background(), 30*time.Second)
 			defer cancelFunc()
 
-			grpcClient := proto.NewCosignerGRPCClient(conn)
+			grpcClient := proto.NewCosignerClient(conn)
 			_, err = grpcClient.TransferLeadership(
 				ctx,
-				&proto.CosignerGRPCTransferLeadershipRequest{LeaderID: leaderID},
+				&proto.TransferLeadershipRequest{LeaderID: leaderID},
 			)
 			if err != nil {
 				return err
 			}
 
-			res, err := grpcClient.GetLeader(ctx, &proto.CosignerGRPCGetLeaderRequest{})
+			res, err := grpcClient.GetLeader(ctx, &proto.GetLeaderRequest{})
 			if err != nil {
 				return err
 			}
@@ -166,9 +166,9 @@ func getLeaderCmd() *cobra.Command {
 			ctx, cancelFunc := context.WithTimeout(context.Background(), 30*time.Second)
 			defer cancelFunc()
 
-			grpcClient := proto.NewCosignerGRPCClient(conn)
+			grpcClient := proto.NewCosignerClient(conn)
 
-			res, err := grpcClient.GetLeader(ctx, &proto.CosignerGRPCGetLeaderRequest{})
+			res, err := grpcClient.GetLeader(ctx, &proto.GetLeaderRequest{})
 			if err != nil {
 				return err
 			}

cmd/horcrux/cmd/start.go

@@ -28,7 +28,7 @@ func startCmd() *cobra.Command {
 				return fmt.Errorf("this is a legacy config. run `horcrux config migrate` to migrate to the latest format")
 			}
 
-			logger := cometlog.NewTMLogger(cometlog.NewSyncWriter(out)).With("module", "validator")
+			logger := cometlog.NewTMLogger(cometlog.NewSyncWriter(out))
 
 			// create all directories up to the state directory
 			if err = os.MkdirAll(config.StateDir, 0700); err != nil {
@@ -61,6 +61,15 @@ func startCmd() *cobra.Command {
 				panic(fmt.Errorf("unexpected sign mode: %s", config.Config.SignMode))
 			}
 
+			if config.Config.GRPCAddr != "" {
+				grpcServer := signer.NewRemoteSignerGRPCServer(logger, val, config.Config.GRPCAddr)
+				services = append(services, grpcServer)
+
+				if err := grpcServer.Start(); err != nil {
+					return fmt.Errorf("failed to start grpc server: %w", err)
+				}
+			}
+
 			go EnableDebugAndMetrics(cmd.Context(), out)
 
 			services, err = signer.StartRemoteSigners(services, logger, val, config.Config.Nodes())

cmd/horcrux/cmd/testdata/config-migrated.yaml

@@ -15,3 +15,4 @@ chainNodes:
 - privValAddr: tcp://127.0.0.1:2345
 - privValAddr: tcp://127.0.0.1:3456
 debugAddr: ""
+grpcAddr: ""

docker/horcrux/Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.19-alpine AS build-env
+FROM --platform=$BUILDPLATFORM golang:1.21-alpine AS build-env
 
 RUN apk add --update --no-cache curl make git libc-dev bash gcc linux-headers eudev-dev
 

docker/horcrux/native.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine AS build-env
+FROM golang:1.21-alpine AS build-env
 
 RUN apk add --update --no-cache curl make git libc-dev bash gcc linux-headers eudev-dev
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/strangelove-ventures/horcrux
 
-go 1.19
+go 1.21
 
 require (
 	github.com/Jille/raft-grpc-leader-rpc v1.1.0
@@ -9,6 +9,7 @@ require (
 	github.com/armon/go-metrics v0.4.1
 	github.com/cometbft/cometbft v0.37.2
 	github.com/cosmos/cosmos-sdk v0.47.3
+	github.com/cosmos/gogoproto v1.4.10
 	github.com/ethereum/go-ethereum v1.12.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
@@ -25,7 +26,6 @@ require (
 	gitlab.com/unit410/threshold-ed25519 v0.0.0-20220725172740-6ee731f539ac
 	golang.org/x/sync v0.1.0
 	google.golang.org/grpc v1.55.0
-	google.golang.org/protobuf v1.30.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
@@ -44,7 +44,6 @@ require (
 	github.com/cosmos/btcutil v1.0.5 // indirect
 	github.com/cosmos/cosmos-proto v1.0.0-beta.2 // indirect
 	github.com/cosmos/go-bip39 v1.0.0 // indirect
-	github.com/cosmos/gogoproto v1.4.10 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.12.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
@@ -107,6 +106,7 @@ require (
 	golang.org/x/sys v0.7.0 // indirect
 	golang.org/x/text v0.9.0 // indirect
 	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect