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Askrene and xpay improve #9150

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1a1f0dc
multiwithdraw: use unique ids on requests.
rustyrussell May 18, 2026
6722290
libplugins: JSON ids are always strings.
rustyrussell May 19, 2026
f6a1579
lightningd: internal cleanups since all non-command JSON IDs are stri…
rustyrussell May 19, 2026
629203e
common: hoist hash_str helper into its own header.
rustyrussell May 19, 2026
c4fd427
common: implement str_to_u64, make json_to_u64 use it.
rustyrussell May 19, 2026
5306acd
Add unit tests for str_to_u64
Lagrang3 Jun 17, 2026
170db33
common: hoist amount+currency parsing into common code.
rustyrussell May 19, 2026
355aaff
askrene: add APIs for "impressions" which are *relative* constraints.
rustyrussell May 20, 2026
672769c
downgrade: we need to remove "impressions" from askrene datastore whe…
rustyrussell May 20, 2026
0553981
xpay: actually tell askrene when a payment succeeded.
rustyrussell May 20, 2026
ecad454
askrene: correctly order constraints.
rustyrussell May 20, 2026
b9d65c0
common: add helper to remove a range of elements
Lagrang3 Jun 18, 2026
ba3da19
askrene: don't leak channel intel entries
Lagrang3 Jun 18, 2026
e5e5eea
pytest: add tests for what we want askrene to do.
rustyrussell May 20, 2026
1593b1e
askrene: give clearer error codes.
rustyrussell May 20, 2026
400f0b8
offers: limit invoices to 10 minutes for recurring offers in other cu…
rustyrussell May 20, 2026
0ced86b
offers: limit expiry to offer limit, or 10 minutes with currency conv…
rustyrussell May 20, 2026
68119bb
fetchinvoice: don't bother with checking recurrence timing.
rustyrussell May 20, 2026
a892e45
lightningd: don't do previous invoice checking in createinvoicerequest.
rustyrussell May 20, 2026
7bddd3b
fetchinvoice: handle weird labels in recurrence_label parameter.
rustyrussell May 20, 2026
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73 changes: 72 additions & 1 deletion .msggen.json
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Original file line number Diff line number Diff line change
Expand Up @@ -760,6 +760,7 @@
"AskRene-Create-Layer.layers[].created_channels[]": 5,
"AskRene-Create-Layer.layers[].disabled_channels[]": 4,
"AskRene-Create-Layer.layers[].disabled_nodes[]": 3,
"AskRene-Create-Layer.layers[].impressions[]": 10,
"AskRene-Create-Layer.layers[].layer": 1,
"AskRene-Create-Layer.layers[].node_biases[]": 9,
"AskRene-Create-Layer.layers[].persistent": 2
Expand Down Expand Up @@ -789,6 +790,11 @@
"AskRene-Create-Layer.layers[].created_channels[].short_channel_id": 3,
"AskRene-Create-Layer.layers[].created_channels[].source": 1
},
"Askrene-create-layerLayersImpressions": {
"AskRene-Create-Layer.layers[].impressions[].amount_msat": 1,
"AskRene-Create-Layer.layers[].impressions[].short_channel_id_dir": 2,
"AskRene-Create-Layer.layers[].impressions[].timestamp": 3
},
"Askrene-create-layerLayersNodeBiases": {
"AskRene-Create-Layer.layers[].node_biases[].description": 4,
"AskRene-Create-Layer.layers[].node_biases[].in_bias": 2,
Expand Down Expand Up @@ -821,6 +827,12 @@
"AskRene-Inform-Channel.constraints[].short_channel_id_dir": 1,
"AskRene-Inform-Channel.constraints[].timestamp": 3
},
"Askrene-inform-channelImpressions": {
"AskRene-Inform-Channel.impressions[].amount_msat": 1,
"AskRene-Inform-Channel.impressions[].layer": 2,
"AskRene-Inform-Channel.impressions[].short_channel_id_dir": 3,
"AskRene-Inform-Channel.impressions[].timestamp": 4
},
"Askrene-inform-channelRequest": {
"AskRene-Inform-Channel.amount_msat": 7,
"AskRene-Inform-Channel.direction": 3,
Expand All @@ -833,7 +845,8 @@
},
"Askrene-inform-channelResponse": {
"AskRene-Inform-Channel.constraint": 1,
"AskRene-Inform-Channel.constraints[]": 2
"AskRene-Inform-Channel.constraints[]": 2,
"AskRene-Inform-Channel.impressions[]": 3
},
"Askrene-listlayersLayers": {
"AskRene-ListLayers.layers[].biases[]": 8,
Expand All @@ -842,6 +855,7 @@
"AskRene-ListLayers.layers[].created_channels[]": 3,
"AskRene-ListLayers.layers[].disabled_channels[]": 6,
"AskRene-ListLayers.layers[].disabled_nodes[]": 2,
"AskRene-ListLayers.layers[].impressions[]": 10,
"AskRene-ListLayers.layers[].layer": 1,
"AskRene-ListLayers.layers[].node_biases[]": 9,
"AskRene-ListLayers.layers[].persistent": 5
Expand Down Expand Up @@ -880,6 +894,11 @@
"AskRene-ListLayers.layers[].created_channels[].short_channel_id": 3,
"AskRene-ListLayers.layers[].created_channels[].source": 1
},
"Askrene-listlayersLayersImpressions": {
"AskRene-ListLayers.layers[].impressions[].amount_msat": 1,
"AskRene-ListLayers.layers[].impressions[].short_channel_id_dir": 2,
"AskRene-ListLayers.layers[].impressions[].timestamp": 3
},
"Askrene-listlayersLayersNodeBiases": {
"AskRene-ListLayers.layers[].node_biases[].description": 4,
"AskRene-ListLayers.layers[].node_biases[].in_bias": 2,
Expand Down Expand Up @@ -4852,6 +4871,22 @@
"added": "v24.11",
"deprecated": null
},
"AskRene-Create-Layer.layers[].impressions[]": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Create-Layer.layers[].impressions[].amount_msat": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Create-Layer.layers[].impressions[].short_channel_id_dir": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Create-Layer.layers[].impressions[].timestamp": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Create-Layer.layers[].layer": {
"added": "v24.11",
"deprecated": null
Expand Down Expand Up @@ -4960,6 +4995,26 @@
"added": "v24.11",
"deprecated": null
},
"AskRene-Inform-Channel.impressions[]": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Inform-Channel.impressions[].amount_msat": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Inform-Channel.impressions[].layer": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Inform-Channel.impressions[].short_channel_id_dir": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Inform-Channel.impressions[].timestamp": {
"added": "v26.09",
"deprecated": null
},
"AskRene-Inform-Channel.inform": {
"added": "v24.11",
"deprecated": null
Expand Down Expand Up @@ -5124,6 +5179,22 @@
"added": "v24.11",
"deprecated": null
},
"AskRene-ListLayers.layers[].impressions[]": {
"added": "v26.09",
"deprecated": null
},
"AskRene-ListLayers.layers[].impressions[].amount_msat": {
"added": "v26.09",
"deprecated": null
},
"AskRene-ListLayers.layers[].impressions[].short_channel_id_dir": {
"added": "v26.09",
"deprecated": null
},
"AskRene-ListLayers.layers[].impressions[].timestamp": {
"added": "v26.09",
"deprecated": null
},
"AskRene-ListLayers.layers[].layer": {
"added": "v24.11",
"deprecated": null
Expand Down
22 changes: 22 additions & 0 deletions cln-grpc/proto/node.proto
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40 changes: 40 additions & 0 deletions cln-grpc/src/convert.rs
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30 changes: 29 additions & 1 deletion cln-rpc/src/model.rs
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1 change: 1 addition & 0 deletions common/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,7 @@ COMMON_HEADERS_NOGEN := $(COMMON_SRC_NOGEN:.c=.h) \
common/ecdh.h \
common/errcode.h \
common/gossip_constants.h \
common/hash_str.h \
common/hsm_version.h \
common/htlc.h \
common/jsonrpc_errors.h \
Expand Down
11 changes: 11 additions & 0 deletions common/hash_str.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
#ifndef LIGHTNING_COMMON_HASH_STR_H
#define LIGHTNING_COMMON_HASH_STR_H
#include "config.h"
#include <common/pseudorand.h>

static inline size_t hash_str(const char *str)
{
return siphash24(siphash_seed(), str, strlen(str));
}

#endif /* LIGHTNING_COMMON_HASH_STR_H */
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