sqlc: loop-in tables and queries

We add CRU procedures for static address swaps.

loopdb/sqlc/queries/static_address_loopin.sql

@@ -0,0 +1,95 @@
+-- name: InsertStaticAddressLoopIn :exec
+INSERT INTO static_address_swaps (
+    swap_hash,
+    swap_invoice,
+    last_hop,
+    payment_timeout_seconds,
+    quoted_swap_fee_satoshis,
+    deposit_outpoints,
+    htlc_tx_fee_rate_sat_kw,
+    htlc_timeout_sweep_tx_id,
+    htlc_timeout_sweep_address
+) VALUES (
+    $1,
+    $2,
+    $3,
+    $4,
+    $5,
+    $6,
+    $7,
+    $8,
+    $9
+);
+
+-- name: UpdateStaticAddressLoopIn :exec
+UPDATE static_address_swaps
+SET
+    htlc_tx_fee_rate_sat_kw = $2,
+    htlc_timeout_sweep_tx_id = $3
+WHERE
+    swap_hash = $1;
+
+-- name: InsertStaticAddressMetaUpdate :exec
+INSERT INTO static_address_swap_updates (
+    swap_hash,
+    update_state,
+    update_timestamp
+) VALUES (
+     $1,
+     $2,
+     $3
+ );
+
+-- name: GetStaticAddressLoopInSwap :one
+SELECT
+    swaps.*,
+    static_address_swaps.*,
+    htlc_keys.*
+FROM
+    swaps
+        JOIN
+    static_address_swaps ON swaps.swap_hash = static_address_swaps.swap_hash
+        JOIN
+    htlc_keys ON swaps.swap_hash = htlc_keys.swap_hash
+WHERE
+        swaps.swap_hash = $1;
+
+-- name: GetStaticAddressLoopInSwapsByStates :many
+SELECT
+    swaps.*,
+    static_address_swaps.*,
+    htlc_keys.*
+FROM
+    swaps
+        JOIN
+    static_address_swaps ON swaps.swap_hash = static_address_swaps.swap_hash
+        JOIN
+    htlc_keys ON swaps.swap_hash = htlc_keys.swap_hash
+        JOIN
+    static_address_swap_updates u ON swaps.swap_hash = u.swap_hash
+        -- This subquery ensures that we are checking only the latest update for
+        -- each swap_hash.
+        AND u.update_timestamp = (
+            SELECT MAX(update_timestamp)
+            FROM static_address_swap_updates
+            WHERE swap_hash = u.swap_hash
+        )
+WHERE
+        (',' || $1 || ',') LIKE ('%,' || u.update_state || ',%')
+ORDER BY
+    swaps.id;
+
+-- name: GetLoopInSwapUpdates :many
+SELECT
+    static_address_swap_updates.*
+FROM
+    static_address_swap_updates
+WHERE
+    swap_hash = $1;
+
+-- name: IsStored :one
+SELECT EXISTS (
+    SELECT 1
+    FROM static_address_swaps
+    WHERE swap_hash = $1
+);