lnrpc: update grpc-gateway library to v2

lnrpc/gen_protos.sh

@@ -5,30 +5,36 @@ set -e
 # generate compiles the *.pb.go stubs from the *.proto files.
 function generate() {
   echo "Generating root gRPC server protos"
-  
+
   PROTOS="lightning.proto walletunlocker.proto stateservice.proto **/*.proto"
-  
+
   # For each of the sub-servers, we then generate their protos, but a restricted
   # set as they don't yet require REST proxies, or swagger docs.
   for file in $PROTOS; do
     DIRECTORY=$(dirname "${file}")
     echo "Generating protos from ${file}, into ${DIRECTORY}"
-  
+
     # Generate the protos.
     protoc -I/usr/local/include -I. \
-      --go_out=plugins=grpc,paths=source_relative:. \
+      --go_out . --go_opt paths=source_relative \
+      --go-grpc_out . --go-grpc_opt paths=source_relative \
       "${file}"
-  
+
     # Generate the REST reverse proxy.
     annotationsFile=${file//proto/yaml}
     protoc -I/usr/local/include -I. \
-      --grpc-gateway_out=logtostderr=true,paths=source_relative,grpc_api_configuration=${annotationsFile}:. \
+      --grpc-gateway_out . \
+      --grpc-gateway_opt logtostderr=true \
+      --grpc-gateway_opt paths=source_relative \
+      --grpc-gateway_opt grpc_api_configuration=${annotationsFile} \
       "${file}"
-  
-  
+
     # Finally, generate the swagger file which describes the REST API in detail.
     protoc -I/usr/local/include -I. \
-      --swagger_out=logtostderr=true,grpc_api_configuration=${annotationsFile}:. \
+      --openapiv2_out . \
+      --openapiv2_opt logtostderr=true \
+      --openapiv2_opt grpc_api_configuration=${annotationsFile} \
+      --openapiv2_opt json_names_for_fields=false \
       "${file}"
   done
 }