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graph/db+sqldb: pass set of outpoints to SQL

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This commit adds a new GetChannelsByOutpoints query which takes a slice
of outpoint strings. This lets us then update PruneGraph to use
paginated calls to GetChannelsByOutpoints instead of making one DB call
per outpoint.
This commit is contained in:
Elle Mouton
2025-07-16 08:33:29 +02:00
parent 2fa30e8735
commit f72c48b283
4 changed files with 44 additions and 69 deletions
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40
sqldb/sqlc/graph.sql.go
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@@ -358,46 +358,6 @@ func (q *Queries) GetChannelAndNodesBySCID(ctx context.Context, arg GetChannelAn
return i, err
}
const getChannelByOutpoint = `-- name: GetChannelByOutpoint :one
SELECT
c.id, c.version, c.scid, c.node_id_1, c.node_id_2, c.outpoint, c.capacity, c.bitcoin_key_1, c.bitcoin_key_2, c.node_1_signature, c.node_2_signature, c.bitcoin_1_signature, c.bitcoin_2_signature,
n1.pub_key AS node1_pubkey,
n2.pub_key AS node2_pubkey
FROM graph_channels c
JOIN graph_nodes n1 ON c.node_id_1 = n1.id
JOIN graph_nodes n2 ON c.node_id_2 = n2.id
WHERE c.outpoint = $1
`
type GetChannelByOutpointRow struct {
GraphChannel GraphChannel
Node1Pubkey []byte
Node2Pubkey []byte
}
func (q *Queries) GetChannelByOutpoint(ctx context.Context, outpoint string) (GetChannelByOutpointRow, error) {
row := q.db.QueryRowContext(ctx, getChannelByOutpoint, outpoint)
var i GetChannelByOutpointRow
err := row.Scan(
&i.GraphChannel.ID,
&i.GraphChannel.Version,
&i.GraphChannel.Scid,
&i.GraphChannel.NodeID1,
&i.GraphChannel.NodeID2,
&i.GraphChannel.Outpoint,
&i.GraphChannel.Capacity,
&i.GraphChannel.BitcoinKey1,
&i.GraphChannel.BitcoinKey2,
&i.GraphChannel.Node1Signature,
&i.GraphChannel.Node2Signature,
&i.GraphChannel.Bitcoin1Signature,
&i.GraphChannel.Bitcoin2Signature,
&i.Node1Pubkey,
&i.Node2Pubkey,
)
return i, err
}
const getChannelByOutpointWithPolicies = `-- name: GetChannelByOutpointWithPolicies :one
SELECT
c.id, c.version, c.scid, c.node_id_1, c.node_id_2, c.outpoint, c.capacity, c.bitcoin_key_1, c.bitcoin_key_2, c.node_1_signature, c.node_2_signature, c.bitcoin_1_signature, c.bitcoin_2_signature,