From 315f5ed741220ac105287454dd260e2572c81d9b Mon Sep 17 00:00:00 2001
From: Elle Mouton <elle.mouton@gmail.com>
Date: Wed, 19 Nov 2025 17:19:53 +0200
Subject: [PATCH] sqldb/sqlc: add AddV2ChannelProof query

Add SQL query to update the signature column for v2 channel auth proofs.
Unlike v1 which requires four separate signatures, v2 channels use a
single aggregated signature.
---
 sqldb/sqlc/graph.sql.go      | 16 ++++++++++++++++
 sqldb/sqlc/querier.go        |  1 +
 sqldb/sqlc/queries/graph.sql |  6 ++++++
 3 files changed, 23 insertions(+)

diff --git a/sqldb/sqlc/graph.sql.go b/sqldb/sqlc/graph.sql.go
index 0096d87ec..c08ba967f 100644
--- a/sqldb/sqlc/graph.sql.go
+++ b/sqldb/sqlc/graph.sql.go
@@ -55,6 +55,22 @@ func (q *Queries) AddV1ChannelProof(ctx context.Context, arg AddV1ChannelProofPa
 	)
 }
 
+const addV2ChannelProof = `-- name: AddV2ChannelProof :execresult
+UPDATE graph_channels
+SET signature = $2
+WHERE scid = $1
+  AND version = 2
+`
+
+type AddV2ChannelProofParams struct {
+	Scid      []byte
+	Signature []byte
+}
+
+func (q *Queries) AddV2ChannelProof(ctx context.Context, arg AddV2ChannelProofParams) (sql.Result, error) {
+	return q.db.ExecContext(ctx, addV2ChannelProof, arg.Scid, arg.Signature)
+}
+
 const countZombieChannels = `-- name: CountZombieChannels :one
 SELECT COUNT(*)
 FROM graph_zombie_channels
diff --git a/sqldb/sqlc/querier.go b/sqldb/sqlc/querier.go
index aa8ab2ecf..05bf91877 100644
--- a/sqldb/sqlc/querier.go
+++ b/sqldb/sqlc/querier.go
@@ -13,6 +13,7 @@ import (
 type Querier interface {
 	AddSourceNode(ctx context.Context, nodeID int64) error
 	AddV1ChannelProof(ctx context.Context, arg AddV1ChannelProofParams) (sql.Result, error)
+	AddV2ChannelProof(ctx context.Context, arg AddV2ChannelProofParams) (sql.Result, error)
 	ClearKVInvoiceHashIndex(ctx context.Context) error
 	CountZombieChannels(ctx context.Context, version int16) (int64, error)
 	CreateChannel(ctx context.Context, arg CreateChannelParams) (int64, error)
diff --git a/sqldb/sqlc/queries/graph.sql b/sqldb/sqlc/queries/graph.sql
index 549cc930b..4f71fc8fa 100644
--- a/sqldb/sqlc/queries/graph.sql
+++ b/sqldb/sqlc/queries/graph.sql
@@ -312,6 +312,12 @@ SET node_1_signature = $2,
 WHERE scid = $1
   AND version = 1;
 
+-- name: AddV2ChannelProof :execresult
+UPDATE graph_channels
+SET signature = $2
+WHERE scid = $1
+  AND version = 2;
+
 -- name: GetChannelsBySCIDRange :many
 SELECT sqlc.embed(c),
     n1.pub_key AS node1_pub_key,