From 2c151be1f74a920650c54192f9b0fcd7d76e0ddb Mon Sep 17 00:00:00 2001
From: George Tsagkarelis <george.tsagkarelis@gmail.com>
Date: Tue, 21 Nov 2023 11:36:57 +0100
Subject: [PATCH] tapdb: drop and re-create genesis_info_view

---
 tapdb/sqlc/migrations/000002_assets.up.sql    |  2 +-
 .../migrations/000012_anchor_txid.down.sql    |  1 +
 .../sqlc/migrations/000012_anchor_txid.up.sql | 39 +++++++++++++++++++
 3 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 tapdb/sqlc/migrations/000012_anchor_txid.down.sql
 create mode 100644 tapdb/sqlc/migrations/000012_anchor_txid.up.sql

diff --git a/tapdb/sqlc/migrations/000002_assets.up.sql b/tapdb/sqlc/migrations/000002_assets.up.sql
index 2a6f25594..51f3a04a1 100644
--- a/tapdb/sqlc/migrations/000002_assets.up.sql
+++ b/tapdb/sqlc/migrations/000002_assets.up.sql
@@ -315,7 +315,7 @@ CREATE TABLE IF NOT EXISTS asset_seedlings (
 CREATE VIEW genesis_info_view AS
     SELECT
         gen_asset_id, asset_id, asset_tag, assets_meta.meta_data_hash meta_hash,
-        output_index, asset_type, genesis_points.prev_out prev_out, 
+        output_index, asset_type, genesis_points.prev_out prev_out,
         chain_txns.txid anchor_txid, block_height
     FROM genesis_assets
     -- We do a LEFT JOIN here, as not every asset has a set of
diff --git a/tapdb/sqlc/migrations/000012_anchor_txid.down.sql b/tapdb/sqlc/migrations/000012_anchor_txid.down.sql
new file mode 100644
index 000000000..83733dc22
--- /dev/null
+++ b/tapdb/sqlc/migrations/000012_anchor_txid.down.sql
@@ -0,0 +1 @@
+DROP VIEW IF EXISTS genesis_info_view;
\ No newline at end of file
diff --git a/tapdb/sqlc/migrations/000012_anchor_txid.up.sql b/tapdb/sqlc/migrations/000012_anchor_txid.up.sql
new file mode 100644
index 000000000..305fc36f8
--- /dev/null
+++ b/tapdb/sqlc/migrations/000012_anchor_txid.up.sql
@@ -0,0 +1,39 @@
+DROP VIEW IF EXISTS key_group_info_view;
+DROP VIEW IF EXISTS genesis_info_view;
+
+-- This view is used to fetch the base asset information from disk based on
+-- the raw key of the batch that will ultimately create this set of assets.
+-- To do so, we'll need to traverse a few tables to join the set of assets
+-- with the genesis points, then with the batches that reference this
+-- points, to the internal key that reference the batch, then restricted
+-- for internal keys that match our main batch key.
+CREATE VIEW genesis_info_view AS
+    SELECT
+        gen_asset_id, asset_id, asset_tag, assets_meta.meta_data_hash meta_hash,
+        output_index, asset_type, genesis_points.prev_out prev_out,
+        chain_txns.txid anchor_txid, block_height
+    FROM genesis_assets
+    -- We do a LEFT JOIN here, as not every asset has a set of
+    -- metadata that matches the asset.
+    LEFT JOIN assets_meta
+        ON genesis_assets.meta_data_id = assets_meta.meta_id
+    JOIN genesis_points
+        ON genesis_assets.genesis_point_id = genesis_points.genesis_id
+    LEFT JOIN chain_txns
+        ON genesis_points.anchor_tx_id = chain_txns.txn_id;
+
+-- This view is used to perform a series of joins that allow us to extract
+-- the group key information, as well as the group sigs for the series of
+-- assets we care about. We obtain only the assets found in the batch
+-- above, with the WHERE query at the bottom.
+CREATE VIEW key_group_info_view AS
+    SELECT
+        witness_id, gen_asset_id, witness_stack, tapscript_root,
+        tweaked_group_key, raw_key, key_index, key_family,
+        substr(tweaked_group_key, 2) AS x_only_group_key
+    FROM asset_group_witnesses wit
+    JOIN asset_groups groups
+        ON wit.group_key_id = groups.group_id
+    JOIN internal_keys keys
+        ON keys.key_id = groups.internal_key_id
+    WHERE wit.gen_asset_id IN (SELECT gen_asset_id FROM genesis_info_view);
\ No newline at end of file