doc: fix listsendpays man page.

We actually had a partid allowed (in the oneOf clauses), but didn''t
document it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

.msggen.json

@@ -819,6 +819,7 @@
             "ListSendPays.payments[].groupid": 2,
             "ListSendPays.payments[].id": 1,
             "ListSendPays.payments[].label": 9,
+            "ListSendPays.payments[].partid": 15,
             "ListSendPays.payments[].payment_hash": 3,
             "ListSendPays.payments[].payment_preimage": 12,
             "ListSendPays.payments[].status": 4

cln-grpc/proto/node.proto

@@ -719,6 +719,7 @@ message ListsendpaysPayments {
 	}
 	uint64 id = 1;
 	uint64 groupid = 2;
+	optional uint64 partid = 15;
 	bytes payment_hash = 3;
 	ListsendpaysPaymentsStatus status = 4;
 	optional Amount amount_msat = 5;

cln-grpc/src/convert.rs

@@ -574,6 +574,7 @@ impl From<responses::ListsendpaysPayments> for pb::ListsendpaysPayments {
         Self {
             id: c.id, // Rule #2 for type u64
             groupid: c.groupid, // Rule #2 for type u64
+            partid: c.partid, // Rule #2 for type u64?
             payment_hash: c.payment_hash.to_vec(), // Rule #2 for type hash
             status: c.status as i32,
             amount_msat: c.amount_msat.map(|f| f.into()), // Rule #2 for type msat?

cln-rpc/src/model.rs

@@ -2473,6 +2473,8 @@ pub mod responses {
 	pub struct ListsendpaysPayments {
 	    pub id: u64,
 	    pub groupid: u64,
+	    #[serde(skip_serializing_if = "Option::is_none")]
+	    pub partid: Option<u64>,
 	    pub payment_hash: Sha256,
 	    // Path `ListSendPays.payments[].status`
 	    pub status: ListsendpaysPaymentsStatus,

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

@@ -465,6 +465,7 @@ def listsendpays_payments2py(m):
     return remove_default({
         "id": m.id,  # PrimitiveField in generate_composite
         "groupid": m.groupid,  # PrimitiveField in generate_composite
+        "partid": m.partid,  # PrimitiveField in generate_composite
         "payment_hash": hexlify(m.payment_hash),  # PrimitiveField in generate_composite
         "status": str(m.status),  # EnumField in generate_composite
         "amount_msat": amount2msat(m.amount_msat),  # PrimitiveField in generate_composite

doc/lightning-listsendpays.7.md

@@ -31,6 +31,7 @@ On success, an object containing **payments** is returned.  It is an array of ob
 - **status** (string): status of the payment (one of "pending", "failed", "complete")
 - **created\_at** (u64): the UNIX timestamp showing when this payment was initiated
 - **amount\_sent\_msat** (msat): The amount sent
+- **partid** (u64, optional): Part number (for multiple parts to a single payment)
 - **amount\_msat** (msat, optional): The amount delivered to destination (if known)
 - **destination** (pubkey, optional): the final destination of the payment if known
 - **label** (string, optional): the label, if given to sendpay
@@ -64,4 +65,4 @@ RESOURCES
 
 Main web site: <https://github.com/ElementsProject/lightning>
 
-[comment]: # ( SHA256STAMP:c7a067147e3275afa7f0cad68a6e1d9c0a10fad038a7b95b9c173edf523aee23)
+[comment]: # ( SHA256STAMP:a6dcb3708d706650f74fcdd4d05614a813ac5a69c13c4c579d45c01b106545e2)

doc/schemas/listsendpays.schema.json

@@ -28,6 +28,10 @@
             "type": "u64",
             "description": "Grouping key to disambiguate multiple attempts to pay an invoice or the same payment_hash"
           },
+          "partid": {
+            "type": "u64",
+            "description": "Part number (for multiple parts to a single payment)"
+          },
           "payment_hash": {
             "type": "hash",
             "description": "the hash of the *payment_preimage* which will prove payment",