From 5acdd2c6dc707550667f72ba8f0bb948e84d04d2 Mon Sep 17 00:00:00 2001
From: Miroslav Crnic <miroslav.crnic@xtxmarkets.com>
Date: Mon, 29 Jul 2024 15:12:44 +0000
Subject: [PATCH] eggsdbtools: remove fix-name-hash-mismatch as fix deployed

---
 cpp/dbtools/ShardDBTools.cpp | 66 ------------------------------------
 cpp/dbtools/ShardDBTools.hpp |  1 -
 cpp/dbtools/eggsdbtools.cpp  |  3 --
 3 files changed, 70 deletions(-)

diff --git a/cpp/dbtools/ShardDBTools.cpp b/cpp/dbtools/ShardDBTools.cpp
index 87d9b7ba..279e58ef 100644
--- a/cpp/dbtools/ShardDBTools.cpp
+++ b/cpp/dbtools/ShardDBTools.cpp
@@ -445,69 +445,3 @@ void ShardDBTools::fsck(const std::string& dbPath) {
 
 #undef ERROR
 }
-
-void ShardDBTools::fixNameHashMismatch(const std::string& dbPath) {
-    Logger logger(LogLevel::LOG_INFO, STDERR_FILENO, false, false);
-    std::shared_ptr<XmonAgent> xmon;
-    Env env(logger, xmon, "ShardDBTools");
-    SharedRocksDB sharedDb(logger, xmon, dbPath, "");
-    sharedDb.registerCFDescriptors(ShardDB::getColumnFamilyDescriptors());
-    sharedDb.registerCFDescriptors(LogsDB::getColumnFamilyDescriptors());
-    sharedDb.registerCFDescriptors(BlockServicesCacheDB::getColumnFamilyDescriptors());
-    rocksdb::Options rocksDBOptions;
-    rocksDBOptions.compression = rocksdb::kLZ4Compression;
-    rocksDBOptions.bottommost_compression = rocksdb::kZSTD;
-    sharedDb.open(rocksDBOptions);
-    auto db = sharedDb.db();
-
-    {
-        auto edgesCf = sharedDb.getCF("edges");
-        const rocksdb::ReadOptions options;
-        std::vector<std::string> keysToDelete;
-        std::vector<std::pair<std::string,std::string>> keyValuesToInsert;
-
-        std::unique_ptr<rocksdb::Iterator> it(db->NewIterator(options, edgesCf));
-        for (it->SeekToFirst(); it->Valid(); it->Next()) {
-            auto edgeK = ExternalValue<EdgeKey>::FromSlice(it->key());
-            if (!edgeK().current()) {
-                continue;
-            }
-            auto nameHash = edgeK().nameHash();
-            std::string name(edgeK().name().data(), edgeK().name().size());
-            auto computedHash = EdgeKey::computeNameHash(HashMode::XXH3_63, BincodeBytesRef(edgeK().name().data(), edgeK().name().size()));
-            if (nameHash == computedHash) {
-                continue;
-            }
-            const std::string suffix = ".resurrected";
-            if (name.compare(name.size() - suffix.size(), suffix.size(), suffix) != 0) {
-                LOG_ERROR(env, "found an edge with name hash mismatch not ending in '.ressurected': %s", edgeK());
-                continue;
-            }
-            keysToDelete.emplace_back(it->key().ToString());
-            StaticValue<EdgeKey> newEdgeKey;
-            newEdgeKey().setDirIdWithCurrentU64(edgeK().dirIdWithCurrentU64());
-            newEdgeKey().setName(edgeK().name());
-            newEdgeKey().setNameHash(computedHash);
-            keyValuesToInsert.emplace_back(newEdgeKey.toSlice().ToString(),it->value().ToString());
-        }
-        ROCKS_DB_CHECKED(it->status());
-        if (keysToDelete.size() != keyValuesToInsert.size()) {
-            LOG_ERROR(env, "bug keys to delete different than keys to insert");
-            return;
-        }
-        if (keysToDelete.size() != 105) {
-            LOG_ERROR(env, "unexpected number of keys to delete %s", keysToDelete.size());
-            return;
-        }
-
-        rocksdb::WriteBatch batch;
-        for (const auto& key : keysToDelete) {
-            batch.Delete(edgesCf, key);
-        }
-        for (const auto& [key, value] : keyValuesToInsert) {
-            batch.Put(edgesCf, key, value);
-        }
-        ROCKS_DB_CHECKED(db->Write(rocksdb::WriteOptions(), &batch));
-    }
-    sharedDb.close();
-}
diff --git a/cpp/dbtools/ShardDBTools.hpp b/cpp/dbtools/ShardDBTools.hpp
index 8a206b49..b290d80b 100644
--- a/cpp/dbtools/ShardDBTools.hpp
+++ b/cpp/dbtools/ShardDBTools.hpp
@@ -7,5 +7,4 @@ public:
     static void verifyEqual(const std::string& db1Path, const std::string& db2Path);
     static void outputUnreleasedState(const std::string& dbPath);
     static void fsck(const std::string& dbPath);
-    static void fixNameHashMismatch(const std::string& dbPath);
 };
diff --git a/cpp/dbtools/eggsdbtools.cpp b/cpp/dbtools/eggsdbtools.cpp
index 5346fee6..3bda4238 100644
--- a/cpp/dbtools/eggsdbtools.cpp
+++ b/cpp/dbtools/eggsdbtools.cpp
@@ -49,9 +49,6 @@ int main(int argc, char** argv) {
         } else if (arg == "fsck") {
             std::string dbPath = getNextArg();
             ShardDBTools::fsck(dbPath);
-        } else if (arg == "fix-name-hash-mismatch") {
-            std::string dbPath = getNextArg();
-            ShardDBTools::fixNameHashMismatch(dbPath);
         } else {
             dieWithUsage();
         }