> https://www.btcbonus.tech/transaction/

[okorye]

https://www.btcbonus.tech/transaction/

https://github.com/blockchain/lib-exchange-client/tree/master

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https://github.com/okorye/codespaces-express
","filesAnalyzed":false,"supplier":"NOASSERTION","externalRefs":[{"referenceCategory": "PACKAGE// Copyright (c) 2013 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

// Test for issue 178: a manual compaction causes deleted data to reappear.
#include
#include
#include

#include "leveldb/db.h"
#include "leveldb/write_batch.h"
#include "util/testharness.h"

namespace {

const int kNumKeys = 1100000;

std::string Key1(int i) {
char buf[100];
snprintf(buf, sizeof(buf), "my_key_%d", i);
return buf;
}

std::string Key2(int i) {
return Key1(i) + "_xxx";
}

class Issue178 { };

TEST(Issue178, Test) {
// Get rid of any state from an old run.
std::string dbpath = leveldb::test::TmpDir() + "/leveldb_cbug_test";
DestroyDB(dbpath, leveldb::Options());

// Open database. Disable compression since it affects the creation
// of layers and the code below is trying to test against a very
// specific scenario.
leveldb::DB* db;
leveldb::Options db_options;
db_options.create_if_missing = true;
db_options.compression = leveldb::kNoCompression;
ASSERT_OK(leveldb::DB::Open(db_options, dbpath, &db));

// create first key range
leveldb::WriteBatch batch;
for (size_t i = 0; i < kNumKeys; i++) {
batch.Put(Key1(i), "value for range 1 key");
}
ASSERT_OK(db->Write(leveldb::WriteOptions(), &batch));

// create second key range
batch.Clear();
for (size_t i = 0; i < kNumKeys; i++) {
batch.Put(Key2(i), "value for range 2 key");
}
ASSERT_OK(db->Write(leveldb::WriteOptions(), &batch));

// delete second key range
batch.Clear();
for (size_t i = 0; i < kNumKeys; i++) {
batch.Delete(Key2(i));
}
ASSERT_OK(db->Write(leveldb::WriteOptions(), &batch));

// compact database
std::string start_key = Key1(0);
std::string end_key = Key1(kNumKeys - 1);
leveldb::Slice least(start_key.data(), start_key.size());
leveldb::Slice greatest(end_key.data(), end_key.size());

// commenting out the line below causes the example to work correctly
db->CompactRange(&least, &greatest);

// count the keys
leveldb::Iterator* iter = db->NewIterator(leveldb::ReadOptions());
size_t num_keys = 0;
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
num_keys++;
}
delete iter;
ASSERT_EQ(kNumKeys, num_keys) << "Bad number of keys";

// close database
delete db;
DestroyDB(dbpath, leveldb::Options());
}

} // anonymous namespace

int main(int argc, char** argv) {
return leveldb::test::RunAllTests();
}

Originally posted by @okorye in #286 (comment)