Merge pull request #3238 from breez/chan_reserve_fields

rpc: add channel reserve fields in RPC responses.

lnrpc/rpc.proto

@@ -1161,6 +1161,14 @@ message Channel {
 
     /// A set of flags showing the current state of the channel.
     string chan_status_flags = 19 [json_name = "chan_status_flags"];
+
+    /// The minimum satoshis this node is required to reserve in its balance.
+    int64 local_chan_reserve_sat = 20 [json_name = "local_chan_reserve_sat"];
+
+    /**
+    The minimum satoshis the other node is required to reserve in its balance.
+    */
+    int64 remote_chan_reserve_sat = 21 [json_name = "remote_chan_reserve_sat"];
 }
 
 
@@ -1468,6 +1476,15 @@ message PendingChannelsResponse {
 
         int64 local_balance = 4 [ json_name = "local_balance" ];
         int64 remote_balance = 5 [ json_name = "remote_balance" ];
+       
+        /// The minimum satoshis this node is required to reserve in its balance.
+        int64 local_chan_reserve_sat = 6 [json_name = "local_chan_reserve_sat"];
+
+        /**
+        The minimum satoshis the other node is required to reserve in its
+        balance.
+        */
+        int64 remote_chan_reserve_sat = 7 [json_name = "remote_chan_reserve_sat"];
     }
 
     message PendingOpenChannel {

lnrpc/rpc.swagger.json

@@ -1407,6 +1407,16 @@
         "remote_balance": {
           "type": "string",
           "format": "int64"
+        },
+        "local_chan_reserve_sat": {
+          "type": "string",
+          "format": "int64",
+          "description": "/ The minimum satoshis this node is required to reserve in its balance."
+        },
+        "remote_chan_reserve_sat": {
+          "type": "string",
+          "format": "int64",
+          "description": "*\nThe minimum satoshis the other node is required to reserve in its\nbalance."
         }
       }
     },
@@ -1626,6 +1636,16 @@
         "chan_status_flags": {
           "type": "string",
           "description": "/ A set of flags showing the current state of the channel."
+        },
+        "local_chan_reserve_sat": {
+          "type": "string",
+          "format": "int64",
+          "description": "/ The minimum satoshis this node is required to reserve in its balance."
+        },
+        "remote_chan_reserve_sat": {
+          "type": "string",
+          "format": "int64",
+          "description": "*\nThe minimum satoshis the other node is required to reserve in its balance."
         }
       }
     },

rpcserver.go

@@ -2232,11 +2232,13 @@ func (r *rpcServer) PendingChannels(ctx context.Context,
 
 		resp.PendingOpenChannels[i] = &lnrpc.PendingChannelsResponse_PendingOpenChannel{
 			Channel: &lnrpc.PendingChannelsResponse_PendingChannel{
-				RemoteNodePub: hex.EncodeToString(pub),
-				ChannelPoint:  pendingChan.FundingOutpoint.String(),
-				Capacity:      int64(pendingChan.Capacity),
-				LocalBalance:  int64(localCommitment.LocalBalance.ToSatoshis()),
-				RemoteBalance: int64(localCommitment.RemoteBalance.ToSatoshis()),
+				RemoteNodePub:        hex.EncodeToString(pub),
+				ChannelPoint:         pendingChan.FundingOutpoint.String(),
+				Capacity:             int64(pendingChan.Capacity),
+				LocalBalance:         int64(localCommitment.LocalBalance.ToSatoshis()),
+				RemoteBalance:        int64(localCommitment.RemoteBalance.ToSatoshis()),
+				LocalChanReserveSat:  int64(pendingChan.LocalChanCfg.ChanReserve),
+				RemoteChanReserveSat: int64(pendingChan.RemoteChanCfg.ChanReserve),
 			},
 			CommitWeight: commitWeight,
 			CommitFee:    int64(localCommitment.CommitFee),
@@ -2647,6 +2649,8 @@ func createRPCOpenChannel(r *rpcServer, graph *channeldb.ChannelGraph,
 		CsvDelay:              uint32(dbChannel.LocalChanCfg.CsvDelay),
 		Initiator:             dbChannel.IsInitiator,
 		ChanStatusFlags:       dbChannel.ChanStatus().String(),
+		LocalChanReserveSat:   int64(dbChannel.LocalChanCfg.ChanReserve),
+		RemoteChanReserveSat:  int64(dbChannel.RemoteChanCfg.ChanReserve),
 	}
 
 	for i, htlc := range localCommit.Htlcs {