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Align desktop history reads with Merkle schema and fix PM test setup

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evgeny committed 2026-10-26 22:11:39 +01:00
1 parent cd0329b301
commit f1da7d7ee8
3 files changed
+17 -50
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tools/chatgui/db/db_manager.cpp
+7 -44
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@@ -41,30 +41,6 @@ uint64_t DbManager::computeDatahash(const QByteArray& data) {
uint64_t dh; memcpy(&dh, hash, 8); return dh;
}
QByteArray DbManager::computeChainHash(const QByteArray& prevChain,
qint64 timestamp, uint64_t datahash) {
uint8_t buf[32 + 8 + 8];
memcpy(buf, prevChain.constData(), 32);
memcpy(buf + 32, &timestamp, 8);
memcpy(buf + 40, &datahash, 8);
uint8_t hash[32];
SHA256(buf, 48, hash);
return QByteArray((const char*)hash, 32);
}
QByteArray DbManager::getLastChainHash(const QString& chId) const {
QString tbl = msgTableName(chId);
QByteArray sql = QStringLiteral(
"SELECT chain_hash FROM \"%1\" ORDER BY timestamp, author_signature DESC LIMIT 1")
.arg(tbl).toUtf8();
sqlite3_stmt* stmt = prepareOrNull(sql.constData());
if (!stmt) return QByteArray(32, '\0');
QByteArray r = (sqlite3_step(stmt) == SQLITE_ROW) ? colBlob(stmt, 0)
: QByteArray(32, '\0');
sqlite3_finalize(stmt);
return r.size() == 32 ? r : QByteArray(32, '\0');
}
/* ── lifecycle ── */
DbManager::DbManager(QObject* parent)
@@ -247,9 +223,9 @@ static MessageRow readMessage(sqlite3_stmt* stmt, quint64 myId) {
GUI_WARN("reply: malformed reference message_row=%lld", (long long)m.id); m.replyTo.clear();
}
}
m.timestamp = sqlite3_column_int64(stmt, 3); m.chainHash = DbManager::colBlob(stmt, 4);
m.signature = DbManager::colBlob(stmt, 5); m.localAttrs = DbManager::colBlob(stmt, 6);
m.messageId = DbManager::colBlob(stmt, 7); m.isOutgoing = m.authorNodeId == myId; m.isRead = true;
m.timestamp = sqlite3_column_int64(stmt, 3); m.signature = DbManager::colBlob(stmt, 4);
m.localAttrs = DbManager::colBlob(stmt, 5); m.messageId = DbManager::colBlob(stmt, 6);
m.isOutgoing = m.authorNodeId == myId; m.isRead = true;
return m;
}
@@ -260,7 +236,7 @@ QList<MessageRow> DbManager::getMessages(const QString& chId, int limit, const Q
GUI_ERROR("history: invalid anchor/window bytes=%d limit=%d", int(around.size()), limit); return list;
}
QString sql = QStringLiteral(
"SELECT id, node_id, data, timestamp, chain_hash, author_signature, local_attrs, message_id"
"SELECT id, node_id, data, timestamp, author_signature, local_attrs, message_id"
" FROM \"%1\" ORDER BY timestamp DESC, author_signature DESC LIMIT ?1").arg(msgTableName(chId));
if (!around.isEmpty()) sql += QStringLiteral(
" OFFSET min(max(0,(SELECT count(*) FROM \"%1\" n JOIN \"%1\" a ON a.message_id=?2 "
@@ -287,7 +263,7 @@ QList<MessageRow> DbManager::getMessages(const QString& chId, int limit, const Q
QList<MessageRow> DbManager::getMessagesSince(const QString& chId, qint64 sinceId) const {
QList<MessageRow> list;
QString sql = QStringLiteral(
"SELECT id, node_id, data, timestamp, chain_hash, author_signature, local_attrs, message_id"
"SELECT id, node_id, data, timestamp, author_signature, local_attrs, message_id"
" FROM \"%1\" WHERE id > ? ORDER BY id ASC").arg(msgTableName(chId));
sqlite3_stmt* stmt = prepareOrNull(sql.toUtf8().constData());
if (!stmt) return list;
@@ -303,7 +279,7 @@ QList<MessageRow> DbManager::getMessagesSince(const QString& chId, qint64 sinceI
MessageRow DbManager::getMessageById(const QString& chId, qint64 msgId) const {
MessageRow m;
QString sql = QStringLiteral(
"SELECT id, node_id, data, timestamp, chain_hash, author_signature, local_attrs, message_id"
"SELECT id, node_id, data, timestamp, author_signature, local_attrs, message_id"
" FROM \"%1\" WHERE id = ?").arg(msgTableName(chId));
sqlite3_stmt* stmt = prepareOrNull(sql.toUtf8().constData());
if (!stmt) return m;
@@ -321,7 +297,7 @@ MessageRow DbManager::getMessageById(const QString& chId, qint64 msgId) const {
MessageRow DbManager::getMessageByKey(const QString& chId, const QByteArray& key) const {
MessageRow message;
if (key.size() != 32) { GUI_ERROR("reply: invalid lookup key bytes=%d", int(key.size())); return message; }
const auto sql = QStringLiteral("SELECT id,node_id,data,timestamp,chain_hash,author_signature,local_attrs,message_id "
const auto sql = QStringLiteral("SELECT id,node_id,data,timestamp,author_signature,local_attrs,message_id "
"FROM \"%1\" WHERE message_id=?").arg(msgTableName(chId)).toUtf8();
sqlite3_stmt* stmt = prepareOrNull(sql.constData());
if (!stmt) return message;
@@ -625,19 +601,6 @@ QByteArray DbManager::syncCount(const QString& chId) const {
QByteArray out; out.append((const char*)&cnt, 4); return out;
}
QByteArray DbManager::syncChainHashAt(const QString& chId, uint32_t pos) const {
QString sql = QStringLiteral(
"SELECT chain_hash FROM \"%1\" ORDER BY timestamp, author_signature ASC LIMIT 1 OFFSET ?")
.arg(msgTableName(chId));
sqlite3_stmt* stmt = prepareOrNull(sql.toUtf8().constData());
if (!stmt) return QByteArray(32, '\0');
sqlite3_bind_int64(stmt, 1, pos);
QByteArray r;
if (sqlite3_step(stmt) == SQLITE_ROW) r = colBlob(stmt, 0);
sqlite3_finalize(stmt);
return r.size() == 32 ? r : QByteArray(32, '\0');
}
QByteArray DbManager::syncCursorOpen(const QString& chId) {
QString sql = QStringLiteral(
"SELECT timestamp, node_id, data, author_signature"