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https://github.com/ton-blockchain/ton
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f1592641de
* 3.6. Fix directory traversal in KeyValueDir * 3.9. Fix buffer_to_hex reversing nibbles * 3.5. Fix error handling at blocks.getBlockHeader * 3.11. Fix query.forget * 3.12. Fix error handling in RemoteRunSmcMethod * 4.1. Delete unused files * 3.10. Use named constants instead hardcoded constants * 3.4. Fix response block header verification * 3.1. Check proof of blocks.getShards response * fix td::buffer_to_hex + test * 3.2. Add proof check for listBlockTransactions response in RunEmulator actor * 3.8. Add proof checking for getLibraries method * fix regression tests * 3.3 Add proof checking for lookupBlock method * Add publishers to proof of getLibrariesWithProof response (#25) * fix missing return, fix requesting mc block * Fix requesting lookupBlock with client mc blk == mc ref block * Fix duplicating lib data in proof and data, add mode 2 for not including the data * Migration of LastBlockStorage with fixed td::buffer_to_hex --------- Co-authored-by: ms <dungeon666master@protonmail.com> Co-authored-by: Marat <98183742+dungeon-master-666@users.noreply.github.com>
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "LastBlockStorage.h"
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#include "tonlib/utils.h"
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#include "td/utils/as.h"
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#include "td/utils/filesystem.h"
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#include "td/utils/port/path.h"
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#include "td/utils/tl_helpers.h"
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namespace tonlib {
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void LastBlockStorage::set_key_value(std::shared_ptr<KeyValue> kv) {
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kv_ = std::move(kv);
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}
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namespace {
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std::string buffer_to_hex_nibbles_reversed(td::Slice buffer) {
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const char *hex = "0123456789ABCDEF";
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std::string res(2 * buffer.size(), '\0');
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for (std::size_t i = 0; i < buffer.size(); i++) {
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unsigned char c = buffer[i];
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res[2 * i + 1] = hex[c >> 4];
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res[2 * i] = hex[c & 15];
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}
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return res;
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}
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std::string get_file_name_depr(td::Slice name) {
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return buffer_to_hex_nibbles_reversed(name) + ".blkstate";
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}
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std::string get_file_name(td::Slice name) {
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return td::buffer_to_hex(name) + ".blkstate";
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}
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} // namespace
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td::Result<LastBlockState> LastBlockStorage::get_state(td::Slice name) {
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// This migration addresses an issue in the old version of Tonlib, where the td::buffer_to_hex
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// incorrectly reversed the order of nibbles in hex representation.
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auto data_r = kv_->get(get_file_name(name));
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if (data_r.is_error()) {
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auto key_depr = get_file_name_depr(name);
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auto data_depr = kv_->get(key_depr);
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if (data_depr.is_ok()) {
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kv_->set(get_file_name(name), data_depr.move_as_ok());
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kv_->erase(key_depr);
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data_r = std::move(data_depr);
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} else {
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return td::Status::Error("not found");
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}
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}
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auto data = data_r.move_as_ok();
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if (data.size() < 8) {
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return td::Status::Error("too short");
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}
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if (td::as<td::uint64>(data.data()) != td::crc64(td::Slice(data).substr(8))) {
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return td::Status::Error("crc64 mismatch");
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}
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LastBlockState res;
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TRY_STATUS(td::unserialize(res, td::Slice(data).substr(8)));
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return res;
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}
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void LastBlockStorage::save_state(td::Slice name, LastBlockState state) {
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VLOG(last_block) << "Save to cache: " << state;
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auto x = td::serialize(state);
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std::string y(x.size() + 8, 0);
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td::MutableSlice(y).substr(8).copy_from(x);
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td::as<td::uint64>(td::MutableSlice(y).data()) = td::crc64(x);
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kv_->set(get_file_name(name), y);
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}
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} // namespace tonlib
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