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Port monero-lws to wownero-lws

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Adapts monero-lws for Wownero cryptocurrency:

- Rename all monero-lws-* binaries to wownero-lws-*
- Update submodule to point to official Wownero repo
- Use Wownero default ports (RPC: 34568, ZMQ: 34569)
- Update data directory to ~/.wownero/light_wallet_server
- Adapt next_difficulty() calls for Wownero API signature

Key technical changes for Wownero compatibility:

- BulletproofPlus (RCTTypeBulletproofPlus, type 8) commitment verification:
  Wownero stores BP+ commitments in 'divided by 8' form. Must call
  rct::scalarmult8() on outPk commitment before comparing with computed
  commitment (mask*G + amount*H). This is essential for amount decryption.

- Pass rct_type to decode_amount() for proper commitment handling

- Handle Wownero's ZMQ JSON format for ecdhTuple (32-byte mask/amount fields)

No fork of Wownero is required - uses official codeberg.org/wownero/wownero.
This commit is contained in:
jwinterm
2026-01-04 13:12:56 -05:00
parent f2b3534002
commit 3427c60315
35 changed files with 789 additions and 395 deletions
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11
src/db/CMakeLists.txt
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@@ -1,4 +1,5 @@
# Copyright (c) 2018-2020, The Monero Project
# Copyright (c) 2024-2025, The Wownero Project
#
# All rights reserved.
#
@@ -26,9 +27,9 @@
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set(monero-lws-db_sources account.cpp data.cpp storage.cpp string.cpp)
set(monero-lws-db_headers account.h data.h fwd.h storage.h string.h)
set(wownero-lws-db_sources account.cpp data.cpp storage.cpp string.cpp)
set(wownero-lws-db_headers account.h data.h fwd.h storage.h string.h)
add_library(monero-lws-db ${monero-lws-db_sources} ${monero-lws-db_headers})
target_include_directories(monero-lws-db PUBLIC "${LMDB_INCLUDE}")
target_link_libraries(monero-lws-db monero::libraries monero-lws-common monero-lws-lmdb monero-lws-wire-msgpack ${LMDB_LIB_PATH})
add_library(wownero-lws-db ${wownero-lws-db_sources} ${wownero-lws-db_headers})
target_include_directories(wownero-lws-db PUBLIC "${LMDB_INCLUDE}")
target_link_libraries(wownero-lws-db wownero-lws-common wownero-lws-lmdb wownero-lws-wire-msgpack ${LMDB_LIB_PATH} wownero::libraries)

8
src/db/storage.cpp
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@@ -3178,8 +3178,14 @@ namespace db
std::min(lmdb::to_native(last_block.id), last_update);
const std::uint64_t offset = last_same - lmdb::to_native(height);
if (MONERO_UNWRAP(do_get_block_hash(*blocks_cur, block_id(last_same))) != *(chain_copy.begin() + offset))
const crypto::hash stored_hash = MONERO_UNWRAP(do_get_block_hash(*blocks_cur, block_id(last_same)));
const crypto::hash scanner_hash = *(chain_copy.begin() + offset);
if (stored_hash != scanner_hash)
{
MERROR("Hash mismatch at block " << last_same << ": DB has " << stored_hash << ", scanner has " << scanner_hash << ". FORCING ROLLBACK to " << last_same);
MONERO_CHECK(rollback_chain(this->db->tables, txn, *blocks_cur, block_id(last_same)));
return {lws::error::blockchain_reorg};
}
chain_copy.remove_prefix(offset + 1);
MONERO_CHECK(