lnrpc: add new recursive proto generation script

In this commit, we add a recursive proto generation script. This avoids
having to add a new script for each upcoming sub-server.

lnrpc/gen_protos.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+echo "Generating root gRPC server protos"
+
 # Generate the protos.
 protoc -I/usr/local/include -I. \
        -I$GOPATH/src \
@@ -7,8 +9,6 @@ protoc -I/usr/local/include -I. \
        --go_out=plugins=grpc:. \
        rpc.proto
 
-
-
 # Generate the REST reverse proxy.
 protoc -I/usr/local/include -I. \
        -I$GOPATH/src \
@@ -22,3 +22,16 @@ protoc -I/usr/local/include -I. \
        -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
        --swagger_out=logtostderr=true:. \
        rpc.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 **/*.proto
+do
+    DIRECTORY=$(dirname ${file})
+    echo "Generating protos from ${file}, into ${DIRECTORY}"
+
+    protoc -I/usr/local/include -I. \
+           -I$GOPATH/src \
+           --go_out=plugins=grpc:. \
+           ${file}
+done

lnrpc/rpc.pb.go

@@ -522,7 +522,9 @@ func (m *FeeLimit) String() string            { return proto.CompactTextString(m
 func (*FeeLimit) ProtoMessage()               {}
 func (*FeeLimit) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
 
-type isFeeLimit_Limit interface{ isFeeLimit_Limit() }
+type isFeeLimit_Limit interface {
+	isFeeLimit_Limit()
+}
 
 type FeeLimit_Fixed struct {
 	Fixed int64 `protobuf:"varint,1,opt,name=fixed,oneof"`
@@ -789,7 +791,9 @@ func (m *ChannelPoint) String() string            { return proto.CompactTextStri
 func (*ChannelPoint) ProtoMessage()               {}
 func (*ChannelPoint) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} }
 
-type isChannelPoint_FundingTxid interface{ isChannelPoint_FundingTxid() }
+type isChannelPoint_FundingTxid interface {
+	isChannelPoint_FundingTxid()
+}
 
 type ChannelPoint_FundingTxidBytes struct {
 	FundingTxidBytes []byte `protobuf:"bytes,1,opt,name=funding_txid_bytes,proto3,oneof"`
@@ -2046,7 +2050,9 @@ func (m *CloseStatusUpdate) String() string            { return proto.CompactTex
 func (*CloseStatusUpdate) ProtoMessage()               {}
 func (*CloseStatusUpdate) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{47} }
 
-type isCloseStatusUpdate_Update interface{ isCloseStatusUpdate_Update() }
+type isCloseStatusUpdate_Update interface {
+	isCloseStatusUpdate_Update()
+}
 
 type CloseStatusUpdate_ClosePending struct {
 	ClosePending *PendingUpdate `protobuf:"bytes,1,opt,name=close_pending,oneof"`
@@ -2327,7 +2333,9 @@ func (m *OpenStatusUpdate) String() string            { return proto.CompactText
 func (*OpenStatusUpdate) ProtoMessage()               {}
 func (*OpenStatusUpdate) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{50} }
 
-type isOpenStatusUpdate_Update interface{ isOpenStatusUpdate_Update() }
+type isOpenStatusUpdate_Update interface {
+	isOpenStatusUpdate_Update()
+}
 
 type OpenStatusUpdate_ChanPending struct {
 	ChanPending *PendingUpdate `protobuf:"bytes,1,opt,name=chan_pending,oneof"`
@@ -4668,7 +4676,9 @@ func (m *PolicyUpdateRequest) String() string            { return proto.CompactT
 func (*PolicyUpdateRequest) ProtoMessage()               {}
 func (*PolicyUpdateRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{102} }
 
-type isPolicyUpdateRequest_Scope interface{ isPolicyUpdateRequest_Scope() }
+type isPolicyUpdateRequest_Scope interface {
+	isPolicyUpdateRequest_Scope()
+}
 
 type PolicyUpdateRequest_Global struct {
 	Global bool `protobuf:"varint,1,opt,name=global,oneof"`

lnrpc/signrpc/gen_protos.sh

@@ -1,6 +0,0 @@
-#!/bin/sh
-
-protoc -I/usr/local/include -I. \
-       -I$GOPATH/src \
-       --go_out=plugins=grpc:. \
-       signer.proto

lnrpc/signrpc/signer.pb.go

@@ -1,11 +1,11 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: signer.proto
+// source: signrpc/signer.proto
 
 /*
 Package signrpc is a generated protocol buffer package.
 
 It is generated from these files:
-	signer.proto
+	signrpc/signer.proto
 
 It has these top-level messages:
 	KeyLocator
@@ -441,10 +441,10 @@ var _Signer_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "signer.proto",
+	Metadata: "signrpc/signer.proto",
 }
 
-func init() { proto.RegisterFile("signer.proto", fileDescriptor0) }
+func init() { proto.RegisterFile("signrpc/signer.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
 	// 465 bytes of a gzipped FileDescriptorProto