From 955607729b7cb2b39a273f9e6d76fb44600a28ba Mon Sep 17 00:00:00 2001
From: natsoni <natsoni@protonmail.com>
Date: Wed, 24 Apr 2024 14:21:36 +0200
Subject: [PATCH] Fix liquid audit expired UTXO detection and re-indexing

---
 backend/src/api/database-migration.ts     | 15 ++++++++++++++-
 backend/src/api/liquid/elements-parser.ts |  2 +-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/backend/src/api/database-migration.ts b/backend/src/api/database-migration.ts
index f1d68c621..a8fdf4a0a 100644
--- a/backend/src/api/database-migration.ts
+++ b/backend/src/api/database-migration.ts
@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 78;
+  private static currentVersion = 79;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -674,6 +674,19 @@ class DatabaseMigration {
       await this.$executeQuery('ALTER TABLE `prices` CHANGE `time` `time` datetime NOT NULL');
       await this.updateToSchemaVersion(78);
     }
+
+    if (databaseSchemaVersion < 79 && config.MEMPOOL.NETWORK === 'liquid') {
+      await this.$executeQuery('TRUNCATE TABLE elements_pegs');
+      await this.$executeQuery('TRUNCATE TABLE federation_txos');
+      await this.$executeQuery('SET FOREIGN_KEY_CHECKS = 0');
+      await this.$executeQuery('TRUNCATE TABLE federation_addresses');
+      await this.$executeQuery('SET FOREIGN_KEY_CHECKS = 1');
+      await this.$executeQuery(`INSERT INTO federation_addresses (bitcoinaddress) VALUES ('bc1qxvay4an52gcghxq5lavact7r6qe9l4laedsazz8fj2ee2cy47tlqff4aj4')`); // Federation change address
+      await this.$executeQuery(`INSERT INTO federation_addresses (bitcoinaddress) VALUES ('3EiAcrzq1cELXScc98KeCswGWZaPGceT1d')`); // Federation change address
+      await this.$executeQuery(`UPDATE state SET number = 0 WHERE name = 'last_elements_block';`);
+      await this.$executeQuery(`UPDATE state SET number = 0 WHERE name = 'last_bitcoin_block_audit';`);
+      await this.updateToSchemaVersion(79);
+    }
   }
 
   /**
diff --git a/backend/src/api/liquid/elements-parser.ts b/backend/src/api/liquid/elements-parser.ts
index 727865b95..9bd362175 100644
--- a/backend/src/api/liquid/elements-parser.ts
+++ b/backend/src/api/liquid/elements-parser.ts
@@ -306,7 +306,7 @@ class ElementsParser {
 
     for (const utxo of unspentAsTip) {
       if (utxo.expiredAt === 0 && block.height >= utxo.blocknumber + utxo.timelock) { // The UTXO is expiring in this block
-        await DB.query(`UPDATE federation_txos SET unspent = 0, lastblockupdate = ?, expiredAt = ? WHERE txid = ? AND txindex = ?`, [confirmedTip, block.time, utxo.txid, utxo.txindex]);
+        await DB.query(`UPDATE federation_txos SET lastblockupdate = ?, expiredAt = ? WHERE txid = ? AND txindex = ?`, [confirmedTip, block.time, utxo.txid, utxo.txindex]);
       } else if (utxo.expiredAt === 0 && confirmedTip >= utxo.blocknumber + utxo.timelock) { // The UTXO is expiring before the tip: we need to keep track of it
         await DB.query(`UPDATE federation_txos SET lastblockupdate = ? WHERE txid = ? AND txindex = ?`, [utxo.blocknumber + utxo.timelock - 1, utxo.txid, utxo.txindex]); 
       } else {