From f1299fdd5780b8366b3160b5c0bc7664c57115af Mon Sep 17 00:00:00 2001
From: Jesse de Wit <witdejesse@hotmail.com>
Date: Tue, 2 Jul 2024 11:30:12 +0200
Subject: [PATCH] lnrpc: add create_missing_edge flag

---
 lnrpc/lightning.pb.go        | 20 +++++++++++++++++++-
 lnrpc/lightning.proto        |  9 +++++++++
 lnrpc/lightning.swagger.json |  4 ++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go
index 2f8a9c42a..eabe952b2 100644
--- a/lnrpc/lightning.pb.go
+++ b/lnrpc/lightning.pb.go
@@ -15183,6 +15183,14 @@ type PolicyUpdateRequest struct {
 	// Optional inbound fee. If unset, the previously set value will be
 	// retained [EXPERIMENTAL].
 	InboundFee *InboundFee `protobuf:"bytes,10,opt,name=inbound_fee,json=inboundFee,proto3" json:"inbound_fee,omitempty"`
+	// Under unknown circumstances a channel can exist with a missing edge in
+	// the graph database. This can cause an 'edge not found' error when calling
+	// `getchaninfo` and/or cause the default channel policy to be used during
+	// forwards. Setting this flag will recreate the edge if not found, allowing
+	// updating this channel policy and fixing the missing edge problem for this
+	// channel permanently. For fields not set in this command, the default
+	// policy will be created.
+	CreateMissingEdge bool `protobuf:"varint,11,opt,name=create_missing_edge,json=createMissingEdge,proto3" json:"create_missing_edge,omitempty"`
 }
 
 func (x *PolicyUpdateRequest) Reset() {
@@ -15294,6 +15302,13 @@ func (x *PolicyUpdateRequest) GetInboundFee() *InboundFee {
 	return nil
 }
 
+func (x *PolicyUpdateRequest) GetCreateMissingEdge() bool {
+	if x != nil {
+		return x.CreateMissingEdge
+	}
+	return false
+}
+
 type isPolicyUpdateRequest_Scope interface {
 	isPolicyUpdateRequest_Scope()
 }
@@ -20763,7 +20778,7 @@ var file_lightning_proto_rawDesc = []byte{
 	0x65, 0x65, 0x5f, 0x6d, 0x73, 0x61, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x62,
 	0x61, 0x73, 0x65, 0x46, 0x65, 0x65, 0x4d, 0x73, 0x61, 0x74, 0x12, 0x20, 0x0a, 0x0c, 0x66, 0x65,
 	0x65, 0x5f, 0x72, 0x61, 0x74, 0x65, 0x5f, 0x70, 0x70, 0x6d, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05,
-	0x52, 0x0a, 0x66, 0x65, 0x65, 0x52, 0x61, 0x74, 0x65, 0x50, 0x70, 0x6d, 0x22, 0xaa, 0x03, 0x0a,
+	0x52, 0x0a, 0x66, 0x65, 0x65, 0x52, 0x61, 0x74, 0x65, 0x50, 0x70, 0x6d, 0x22, 0xda, 0x03, 0x0a,
 	0x13, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x52, 0x65, 0x71,
 	0x75, 0x65, 0x73, 0x74, 0x12, 0x18, 0x0a, 0x06, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x18, 0x01,
 	0x20, 0x01, 0x28, 0x08, 0x48, 0x00, 0x52, 0x06, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x12, 0x34,
@@ -20790,6 +20805,9 @@ var file_lightning_proto_rawDesc = []byte{
 	0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x5f, 0x66, 0x65, 0x65, 0x18, 0x0a, 0x20, 0x01, 0x28,
 	0x0b, 0x32, 0x11, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e,
 	0x64, 0x46, 0x65, 0x65, 0x52, 0x0a, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x46, 0x65, 0x65,
+	0x12, 0x2e, 0x0a, 0x13, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x5f, 0x6d, 0x69, 0x73, 0x73, 0x69,
+	0x6e, 0x67, 0x5f, 0x65, 0x64, 0x67, 0x65, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x08, 0x52, 0x11, 0x63,
+	0x72, 0x65, 0x61, 0x74, 0x65, 0x4d, 0x69, 0x73, 0x73, 0x69, 0x6e, 0x67, 0x45, 0x64, 0x67, 0x65,
 	0x42, 0x07, 0x0a, 0x05, 0x73, 0x63, 0x6f, 0x70, 0x65, 0x22, 0x8c, 0x01, 0x0a, 0x0c, 0x46, 0x61,
 	0x69, 0x6c, 0x65, 0x64, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x12, 0x2b, 0x0a, 0x08, 0x6f, 0x75,
 	0x74, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0f, 0x2e, 0x6c,
diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto
index 3d554352b..4ea163f20 100644
--- a/lnrpc/lightning.proto
+++ b/lnrpc/lightning.proto
@@ -4558,6 +4558,15 @@ message PolicyUpdateRequest {
     // Optional inbound fee. If unset, the previously set value will be
     // retained [EXPERIMENTAL].
     InboundFee inbound_fee = 10;
+
+    // Under unknown circumstances a channel can exist with a missing edge in
+    // the graph database. This can cause an 'edge not found' error when calling
+    // `getchaninfo` and/or cause the default channel policy to be used during
+    // forwards. Setting this flag will recreate the edge if not found, allowing
+    // updating this channel policy and fixing the missing edge problem for this
+    // channel permanently. For fields not set in this command, the default
+    // policy will be created.
+    bool create_missing_edge = 11;
 }
 
 enum UpdateFailure {
diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json
index 64c36d17d..c4774334e 100644
--- a/lnrpc/lightning.swagger.json
+++ b/lnrpc/lightning.swagger.json
@@ -6751,6 +6751,10 @@
         "inbound_fee": {
           "$ref": "#/definitions/lnrpcInboundFee",
           "description": "Optional inbound fee. If unset, the previously set value will be\nretained [EXPERIMENTAL]."
+        },
+        "create_missing_edge": {
+          "type": "boolean",
+          "description": "Under unknown circumstances a channel can exist with a missing edge in\nthe graph database. This can cause an 'edge not found' error when calling\n`getchaninfo` and/or cause the default channel policy to be used during\nforwards. Setting this flag will recreate the edge if not found, allowing\nupdating this channel policy and fixing the missing edge problem for this\nchannel permanently. For fields not set in this command, the default\npolicy will be created."
         }
       }
     },