lightningd: expose ignore_fee_limits field in listpeerchannels.

Changelog-Added: JSON-RPC: `listpeerchannels` has a new field `ignore_fee_limits`
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

.msggen.json

@@ -1002,6 +1002,7 @@
             "ListPeerChannels.channels[].funding_outnum": 11,
             "ListPeerChannels.channels[].funding_txid": 10,
             "ListPeerChannels.channels[].htlcs[]": 52,
+            "ListPeerChannels.channels[].ignore_fee_limits": 54,
             "ListPeerChannels.channels[].in_fulfilled_msat": 47,
             "ListPeerChannels.channels[].in_offered_msat": 45,
             "ListPeerChannels.channels[].in_payments_fulfilled": 46,
@@ -3881,6 +3882,10 @@
             "added": "v23.02",
             "deprecated": false
         },
+        "ListPeerChannels.channels[].ignore_fee_limits": {
+            "added": "v23.08",
+            "deprecated": false
+        },
         "ListPeerChannels.channels[].in_fulfilled_msat": {
             "added": "v23.02",
             "deprecated": false

cln-grpc/proto/node.proto

@@ -1108,6 +1108,7 @@ message ListpeerchannelsChannels {
 	optional bool peer_connected = 2;
 	optional ListpeerchannelsChannelsState state = 3;
 	optional bytes scratch_txid = 4;
+	optional bool ignore_fee_limits = 54;
 	optional ListpeerchannelsChannelsFeerate feerate = 6;
 	optional string owner = 7;
 	optional string short_channel_id = 8;

cln-grpc/src/convert.rs

@@ -1003,6 +1003,7 @@ impl From<responses::ListpeerchannelsChannels> for pb::ListpeerchannelsChannels
             peer_connected: c.peer_connected, // Rule #2 for type boolean?
             state: c.state.map(|v| v as i32),
             scratch_txid: c.scratch_txid.map(|v| hex::decode(v).unwrap()), // Rule #2 for type txid?
+            ignore_fee_limits: c.ignore_fee_limits, // Rule #2 for type boolean?
             feerate: c.feerate.map(|v| v.into()),
             owner: c.owner, // Rule #2 for type string?
             short_channel_id: c.short_channel_id.map(|v| v.to_string()), // Rule #2 for type short_channel_id?

cln-rpc/src/model.rs

@@ -3701,6 +3701,8 @@ pub mod responses {
 	    #[serde(skip_serializing_if = "Option::is_none")]
 	    pub scratch_txid: Option<String>,
 	    #[serde(skip_serializing_if = "Option::is_none")]
+	    pub ignore_fee_limits: Option<bool>,
+	    #[serde(skip_serializing_if = "Option::is_none")]
 	    pub feerate: Option<ListpeerchannelsChannelsFeerate>,
 	    #[serde(skip_serializing_if = "Option::is_none")]
 	    pub owner: Option<String>,

contrib/pyln-testing/pyln/testing/grpc2py.py

@@ -790,6 +790,7 @@ def listpeerchannels_channels2py(m):
         "peer_connected": m.peer_connected,  # PrimitiveField in generate_composite
         "state": str(m.state),  # EnumField in generate_composite
         "scratch_txid": hexlify(m.scratch_txid),  # PrimitiveField in generate_composite
+        "ignore_fee_limits": m.ignore_fee_limits,  # PrimitiveField in generate_composite
         "owner": m.owner,  # PrimitiveField in generate_composite
         "short_channel_id": m.short_channel_id,  # PrimitiveField in generate_composite
         "channel_id": hexlify(m.channel_id),  # PrimitiveField in generate_composite

doc/lightning-listpeerchannels.7.md

@@ -36,6 +36,7 @@ On success, an object containing **channels** is returned.  It is an array of ob
     - Bit number
   - **names** (array of strings): Feature name for each bit set in this channel\_type:
     - Name of feature bit (one of "static\_remotekey/even", "anchor\_outputs/even", "anchors\_zero\_fee\_htlc\_tx/even", "scid\_alias/even", "zeroconf/even")
+- **ignore\_fee\_limits** (boolean, optional): set if we allow this peer to set fees to anything they want *(added v23.08)*
 - **feerate** (object, optional): Feerates for the current tx:
   - **perkw** (u32): Feerate per 1000 weight (i.e kSipa)
   - **perkb** (u32): Feerate per 1000 virtual bytes
@@ -194,4 +195,4 @@ Main web site: <https://github.com/ElementsProject/lightning> Lightning
 RFC site (BOLT \#9):
 <https://github.com/lightningnetwork/lightning-rfc/blob/master/09-features.md>
 
-[comment]: # ( SHA256STAMP:f5103dae3b20a7d2a4112a368e753f1dd0518a269bd34c2fd17657c9f90596d7)
+[comment]: # ( SHA256STAMP:c530e39c9144b5fbef0f6474170865095bd7b4c48e6378fdb7f9a7697b909473)

doc/lightning-sql.7.md

@@ -250,6 +250,7 @@ The following tables are currently supported:
     - `row` (reference to `peerchannels_channel_type.rowid`, sqltype `INTEGER`)
     - `arrindex` (index within array, sqltype `INTEGER`)
     - `names` (type `string`, sqltype `TEXT`)
+  - `ignore_fee_limits` (type `boolean`, sqltype `INTEGER`)
   - `feerate_perkw` (type `u32`, sqltype `INTEGER`, from JSON object `feerate`)
   - `feerate_perkb` (type `u32`, sqltype `INTEGER`, from JSON object `feerate`)
   - `owner` (type `string`, sqltype `TEXT`)
@@ -510,4 +511,4 @@ RESOURCES
 ---------
 
 Main web site: <https://github.com/ElementsProject/lightning>
-[comment]: # ( SHA256STAMP:68c72c66bdc8b0515c6d5dddd5ffd14aa0342bd00f17a44929177c48c36a213f)
+[comment]: # ( SHA256STAMP:4cfeeb2855f92a12d6a52d912a58df7573fc34f1f17a190bba26e46695f54de6)

doc/schemas/listpeerchannels.schema.json

@@ -84,6 +84,11 @@
               }
             }
           },
+          "ignore_fee_limits": {
+            "type": "boolean",
+            "added": "v23.08",
+            "description": "set if we allow this peer to set fees to anything they want"
+          },
           "feerate": {
             "type": "object",
             "description": "Feerates for the current tx",
@@ -609,6 +614,7 @@
                 "scratch_txid": {},
                 "channel_type": {},
                 "feerate": {},
+                "ignore_fee_limits": {},
                 "owner": {},
                 "short_channel_id": {},
                 "channel_id": {},
@@ -699,6 +705,7 @@
                 "scratch_txid": {},
                 "channel_type": {},
                 "feerate": {},
+                "ignore_fee_limits": {},
                 "owner": {},
                 "short_channel_id": {},
                 "channel_id": {},
@@ -788,6 +795,7 @@
                 "scratch_txid": {},
                 "channel_type": {},
                 "feerate": {},
+                "ignore_fee_limits": {},
                 "owner": {},
                 "short_channel_id": {},
                 "channel_id": {},
@@ -878,6 +886,7 @@
                 "scratch_txid": {},
                 "channel_type": {},
                 "feerate": {},
+                "ignore_fee_limits": {},
                 "owner": {},
                 "alias": {},
                 "short_channel_id": {},

lightningd/peer_control.c

@@ -748,6 +748,9 @@ static void json_add_channel(struct lightningd *ld,
 		json_add_node_id(response, "peer_id", &peer->id);
 		json_add_bool(response, "peer_connected", peer->connected == PEER_CONNECTED);
 		json_add_channel_type(response, "channel_type", channel->type);
+		if (channel->ignore_fee_limits) {
+			json_add_bool(response, "ignore_fee_limits", channel->ignore_fee_limits);
+		}
 	}
 	json_add_string(response, "state", channel_state_name(channel));
 	if (channel->last_tx && !invalid_last_tx(channel->last_tx)) {

tests/test_plugin.py

@@ -3762,6 +3762,8 @@ def test_sql(node_factory, bitcoind):
                          'type': 'string'},
                         {'name': 'scratch_txid',
                          'type': 'txid'},
+                        {'name': 'ignore_fee_limits',
+                         'type': 'boolean'},
                         {'name': 'feerate_perkw',
                          'type': 'u32'},
                         {'name': 'feerate_perkb',