Add script to generate LND ruby GRPC service files

generate-grpc-service-files.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+set -o xtrace
+
+FULL_PATH=$(realpath $0)
+GEM_DIR=$(dirname $FULL_PATH)
+LNRPC_TARGET_DIR="$GEM_DIR/lib/grpc_services"
+CURRENT_DIR=$(pwd)
+echo $CURRENT_DIR
+cd $GOPATH/src/github.com/lightningnetwork/lnd/lnrpc
+
+echo "Generating Ruby GRPC Service Files"
+
+PROTOS="rpc.proto walletunlocker.proto **/*.proto"
+
+# generate files for each proto
+for file in $PROTOS; do
+  DIRECTORY=$(dirname "${file}")
+  echo "Generating protos from ${file}, into ${LNRPC_TARGET_DIR}/${DIRECTORY}"
+
+  # writes all ruby files in the ruby directory
+  grpc_tools_ruby_protoc -I/usr/local/include \
+    -I. \
+    -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
+    -I$GOPATH/src/github.com/lightningnetwork/lnd/lnrpc \
+    --ruby_out=plugins=grpc,paths=source_relative:${LNRPC_TARGET_DIR} \
+    --grpc_out=${LNRPC_TARGET_DIR} "${file}"
+
+done
+
+cd $CURRENT_DIR