lnrpc+rpcserver: add custom channel data for closed channels

This commit adds the custom channel data for closed channels which
represents the initial funding state as well as the final balances at
closing time.

lnrpc/lightning.pb.go

@@ -5414,6 +5414,9 @@ type ChannelCloseSummary struct {
 	AliasScids []uint64 `protobuf:"varint,14,rep,packed,name=alias_scids,json=aliasScids,proto3" json:"alias_scids,omitempty"`
 	// The confirmed SCID for a zero-conf channel.
 	ZeroConfConfirmedScid uint64 `protobuf:"varint,15,opt,name=zero_conf_confirmed_scid,json=zeroConfConfirmedScid,proto3" json:"zero_conf_confirmed_scid,omitempty"`
+	// The TLV encoded custom channel data records for this output, which might
+	// be set for custom channels.
+	CustomChannelData []byte `protobuf:"bytes,16,opt,name=custom_channel_data,json=customChannelData,proto3" json:"custom_channel_data,omitempty"`
 }
 
 func (x *ChannelCloseSummary) Reset() {
@@ -5553,6 +5556,13 @@ func (x *ChannelCloseSummary) GetZeroConfConfirmedScid() uint64 {
 	return 0
 }
 
+func (x *ChannelCloseSummary) GetCustomChannelData() []byte {
+	if x != nil {
+		return x.CustomChannelData
+	}
+	return nil
+}
+
 type Resolution struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -19127,7 +19137,7 @@ var file_lightning_proto_rawDesc = []byte{
 	0x73, 0x65, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x2e, 0x0a, 0x0a, 0x61,
 	0x6c, 0x69, 0x61, 0x73, 0x5f, 0x6d, 0x61, 0x70, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32,
 	0x0f, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x41, 0x6c, 0x69, 0x61, 0x73, 0x4d, 0x61, 0x70,
-	0x52, 0x09, 0x61, 0x6c, 0x69, 0x61, 0x73, 0x4d, 0x61, 0x70, 0x73, 0x22, 0xb6, 0x06, 0x0a, 0x13,
+	0x52, 0x09, 0x61, 0x6c, 0x69, 0x61, 0x73, 0x4d, 0x61, 0x70, 0x73, 0x22, 0xe6, 0x06, 0x0a, 0x13,
 	0x43, 0x68, 0x61, 0x6e, 0x6e, 0x65, 0x6c, 0x43, 0x6c, 0x6f, 0x73, 0x65, 0x53, 0x75, 0x6d, 0x6d,
 	0x61, 0x72, 0x79, 0x12, 0x23, 0x0a, 0x0d, 0x63, 0x68, 0x61, 0x6e, 0x6e, 0x65, 0x6c, 0x5f, 0x70,
 	0x6f, 0x69, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x63, 0x68, 0x61, 0x6e,
@@ -19170,7 +19180,10 @@ var file_lightning_proto_rawDesc = []byte{
 	0x72, 0x6f, 0x5f, 0x63, 0x6f, 0x6e, 0x66, 0x5f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x72, 0x6d, 0x65,
 	0x64, 0x5f, 0x73, 0x63, 0x69, 0x64, 0x18, 0x0f, 0x20, 0x01, 0x28, 0x04, 0x42, 0x02, 0x30, 0x01,
 	0x52, 0x15, 0x7a, 0x65, 0x72, 0x6f, 0x43, 0x6f, 0x6e, 0x66, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x72,
-	0x6d, 0x65, 0x64, 0x53, 0x63, 0x69, 0x64, 0x22, 0x8a, 0x01, 0x0a, 0x0b, 0x43, 0x6c, 0x6f, 0x73,
+	0x6d, 0x65, 0x64, 0x53, 0x63, 0x69, 0x64, 0x12, 0x2e, 0x0a, 0x13, 0x63, 0x75, 0x73, 0x74, 0x6f,
+	0x6d, 0x5f, 0x63, 0x68, 0x61, 0x6e, 0x6e, 0x65, 0x6c, 0x5f, 0x64, 0x61, 0x74, 0x61, 0x18, 0x10,
+	0x20, 0x01, 0x28, 0x0c, 0x52, 0x11, 0x63, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x43, 0x68, 0x61, 0x6e,
+	0x6e, 0x65, 0x6c, 0x44, 0x61, 0x74, 0x61, 0x22, 0x8a, 0x01, 0x0a, 0x0b, 0x43, 0x6c, 0x6f, 0x73,
 	0x75, 0x72, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x15, 0x0a, 0x11, 0x43, 0x4f, 0x4f, 0x50, 0x45,
 	0x52, 0x41, 0x54, 0x49, 0x56, 0x45, 0x5f, 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x10, 0x00, 0x12, 0x15,
 	0x0a, 0x11, 0x4c, 0x4f, 0x43, 0x41, 0x4c, 0x5f, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x43, 0x4c,

lnrpc/lightning.proto

@@ -1758,6 +1758,10 @@ message ChannelCloseSummary {
 
     //  The confirmed SCID for a zero-conf channel.
     uint64 zero_conf_confirmed_scid = 15 [jstype = JS_STRING];
+
+    // The TLV encoded custom channel data records for this output, which might
+    // be set for custom channels.
+    bytes custom_channel_data = 16;
 }
 
 enum ResolutionType {

lnrpc/lightning.swagger.json

@@ -4182,6 +4182,11 @@
           "type": "string",
           "format": "uint64",
           "description": "The confirmed SCID for a zero-conf channel."
+        },
+        "custom_channel_data": {
+          "type": "string",
+          "format": "byte",
+          "description": "The TLV encoded custom channel data records for this output, which might\nbe set for custom channels."
         }
       }
     },