such-gitea/wownero-lws
1
0
Fork 1
mirror of https://codeberg.org/wownero/wownero-lws synced 2026-01-10 23:55:16 -08:00
Code Issues Packages Projects Releases Wiki Activity

Basic "chain hardening" for slightly untrusted daemons (#93)

Browse Source
This commit is contained in:
Lee *!* Clagett
2024-03-07 17:39:18 -05:00
committed by Lee *!* Clagett
parent db66d410cd
commit 351ccaa872
15 changed files with 1063 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/db/storage.h
View File

@@ -57,6 +57,7 @@ namespace db
MONERO_CURSOR(subaddress_indexes);
MONERO_CURSOR(blocks);
MONERO_CURSOR(pow);
MONERO_CURSOR(accounts_by_address);
MONERO_CURSOR(accounts_by_height);
@@ -72,6 +73,13 @@ namespace db
cursor::accounts_by_height accounts_bh_cur;
};
struct pow_window
{
std::vector<std::uint64_t> pow_timestamps; //!< for pow calculation
std::vector<block_difficulty::unsigned_int> cumulative_diffs;
std::vector<std::uint64_t> median_timestamps; //!< for timestamp check
};
//! Wrapper for LMDB read access to on-disk storage of light-weight server data.
class storage_reader
{
@@ -95,12 +103,21 @@ namespace db
//! \return Last known block.
expect<block_info> get_last_block() noexcept;
//! \return Last known pow block.
expect<block_pow> get_last_pow_block() noexcept;
//! \return "Our" block hash at `height`.
expect<crypto::hash> get_block_hash(const block_id height) noexcept;
//! \return List for `GetHashesFast` to sync blockchain with daemon.
expect<std::list<crypto::hash>> get_chain_sync();
//! \return List for GetBlocksFast` to sync blockchain+pow with daemon
expect<std::list<crypto::hash>> get_pow_sync();
//! \return Objects for use with cryptonote::next_difficulty and median timestamp check
expect<pow_window> get_pow_window(block_id last);
//! \return All registered `account`s.
expect<lmdb::key_stream<account_status, account, cursor::close_accounts>>
get_accounts(cursor::accounts cur = nullptr) noexcept;
@@ -172,6 +189,9 @@ namespace db
//! \return A single instance of compiled-in checkpoints for lws
static cryptonote::checkpoints const& get_checkpoints();
//! \return Last hard-coded block checkpoint
static block_info get_last_checkpoint();
/*!
Open a light_wallet_server LDMB database.
@@ -210,6 +230,8 @@ namespace db
*/
expect<void> sync_chain(block_id height, epee::span<const crypto::hash> hashes);
expect<void> sync_pow(block_id height, epee::span<const crypto::hash> hashes, epee::span<const pow_sync> pow);
//! Bump the last access time of `address` to the current time.
expect<void> update_access_time(account_address const& address) noexcept;
@@ -255,7 +277,7 @@ namespace db
\return True iff LMDB successfully committed the update.
*/
expect<std::pair<std::size_t, std::vector<webhook_tx_confirmation>>>
update(block_id height, epee::span<const crypto::hash> chain, epee::span<const lws::account> accts);
update(block_id height, epee::span<const crypto::hash> chain, epee::span<const lws::account> accts, epee::span<const pow_sync> pow);
/*!
Adds subaddresses to an account. Upon success, an account will