Remove SQLite Validations table

src/ripple/app/consensus/RCLValidations.cpp

@@ -114,7 +114,6 @@ mismatch(RCLValidatedLedger const& a, RCLValidatedLedger const& b)
 RCLValidationsAdaptor::RCLValidationsAdaptor(Application& app, beast::Journal j)
     : app_(app),  j_(j)
 {
-    staleValidations_.reserve(512);
 }
 
 NetClock::time_point
@@ -148,131 +147,6 @@ RCLValidationsAdaptor::acquire(LedgerHash const & hash)
     return RCLValidatedLedger(std::move(ledger), j_);
 }
 
-void
-RCLValidationsAdaptor::onStale(RCLValidation&& v)
-{
-    // Store the newly stale validation; do not do significant work in this
-    // function since this is a callback from Validations, which may be
-    // doing other work.
-
-    ScopedLockType sl(staleLock_);
-    staleValidations_.emplace_back(std::move(v));
-    if (staleWriting_)
-        return;
-
-    // addJob() may return false (Job not added) at shutdown.
-    staleWriting_ = app_.getJobQueue().addJob(
-        jtWRITE, "Validations::doStaleWrite", [this](Job&) {
-            auto event =
-                app_.getJobQueue().makeLoadEvent(jtDISK, "ValidationWrite");
-            ScopedLockType sl(staleLock_);
-            doStaleWrite(sl);
-        });
-}
-
-void
-RCLValidationsAdaptor::flush(hash_map<NodeID, RCLValidation>&& remaining)
-{
-    bool anyNew = false;
-    {
-        ScopedLockType sl(staleLock_);
-
-        for (auto const& keyVal : remaining)
-        {
-            staleValidations_.emplace_back(std::move(keyVal.second));
-            anyNew = true;
-        }
-
-        // If we have new validations to write and there isn't a write in
-        // progress already, then write to the database synchronously.
-        if (anyNew && !staleWriting_)
-        {
-            staleWriting_ = true;
-            doStaleWrite(sl);
-        }
-
-        // In the case when a prior asynchronous doStaleWrite was scheduled,
-        // this loop will block until all validations have been flushed.
-        // This ensures that all validations are written upon return from
-        // this function.
-
-        while (staleWriting_)
-        {
-            ScopedUnlockType sul(staleLock_);
-            std::this_thread::sleep_for(std::chrono::milliseconds(100));
-        }
-    }
-}
-
-// NOTE: doStaleWrite() must be called with staleLock_ *locked*.  The passed
-// ScopedLockType& acts as a reminder to future maintainers.
-void
-RCLValidationsAdaptor::doStaleWrite(ScopedLockType&)
-{
-    static const std::string insVal(
-        "INSERT INTO Validations "
-        "(InitialSeq, LedgerSeq, LedgerHash,NodePubKey,SignTime,RawData) "
-        "VALUES (:initialSeq, :ledgerSeq, "
-        ":ledgerHash,:nodePubKey,:signTime,:rawData);");
-    static const std::string findSeq(
-        "SELECT LedgerSeq FROM Ledgers WHERE Ledgerhash=:ledgerHash;");
-
-    assert(staleWriting_);
-
-    while (!staleValidations_.empty())
-    {
-        std::vector<RCLValidation> currentStale;
-        currentStale.reserve(512);
-        staleValidations_.swap(currentStale);
-
-        {
-            ScopedUnlockType sul(staleLock_);
-            {
-                auto db = app_.getLedgerDB().checkoutDb();
-
-                Serializer s(1024);
-                soci::transaction tr(*db);
-                for (RCLValidation const& wValidation : currentStale)
-                {
-                    // Only save full validations until we update the schema
-                    if(!wValidation.full())
-                        continue;
-                    s.erase();
-                    STValidation::pointer const& val = wValidation.unwrap();
-                    val->add(s);
-
-                    auto const ledgerHash = to_string(val->getLedgerHash());
-
-                    boost::optional<std::uint64_t> ledgerSeq;
-                    *db << findSeq, soci::use(ledgerHash),
-                        soci::into(ledgerSeq);
-
-                    auto const initialSeq = ledgerSeq.value_or(
-                        app_.getLedgerMaster().getCurrentLedgerIndex());
-                    auto const nodePubKey = toBase58(
-                        TokenType::NodePublic, val->getSignerPublic());
-                    auto const signTime =
-                        val->getSignTime().time_since_epoch().count();
-
-                    soci::blob rawData(*db);
-                    rawData.append(
-                        reinterpret_cast<const char*>(s.peekData().data()),
-                        s.peekData().size());
-                    assert(rawData.get_len() == s.peekData().size());
-
-                    *db << insVal, soci::use(initialSeq), soci::use(ledgerSeq),
-                        soci::use(ledgerHash), soci::use(nodePubKey),
-                        soci::use(signTime), soci::use(rawData);
-                }
-
-                tr.commit();
-            }
-        }
-    }
-
-    staleWriting_ = false;
-}
-
 bool
 handleNewValidation(Application& app,
     STValidation::ref val,

src/ripple/app/consensus/RCLValidations.h

@@ -211,24 +211,6 @@ class RCLValidationsAdaptor
     NetClock::time_point
     now() const;
 
-    /** Handle a newly stale validation.
-
-        @param v The newly stale validation
-
-        @warning This should do minimal work, as it is expected to be called
-                 by the generic Validations code while it may be holding an
-                 internal lock
-    */
-    void
-    onStale(RCLValidation&& v);
-
-    /** Flush current validations to disk before shutdown.
-
-        @param remaining The remaining validations to flush
-    */
-    void
-    flush(hash_map<NodeID, RCLValidation>&& remaining);
-
     /** Attempt to acquire the ledger with given id from the network */
     boost::optional<RCLValidatedLedger>
     acquire(LedgerHash const & id);
@@ -245,17 +227,6 @@ class RCLValidationsAdaptor
 
     Application& app_;
     beast::Journal j_;
-
-    // Lock for managing staleValidations_ and writing_
-    std::mutex staleLock_;
-    std::vector<RCLValidation> staleValidations_;
-    bool staleWriting_ = false;
-
-    // Write the stale validations to sqlite DB, the scoped lock argument
-    // is used to remind callers that the staleLock_ must be *locked* prior
-    // to making the call
-    void
-    doStaleWrite(ScopedLockType&);
 };
 
 /// Alias for RCL-specific instantiation of generic Validations

src/ripple/app/ledger/Ledger.cpp

@@ -948,9 +948,6 @@ static bool saveValidatedLedger (
             VALUES
                 (:ledgerHash,:ledgerSeq,:prevHash,:totalCoins,:closingTime,:prevClosingTime,
                 :closeTimeRes,:closeFlags,:accountSetHash,:transSetHash);)sql");
-        static std::string updateVal(
-            R"sql(UPDATE Validations SET LedgerSeq = :ledgerSeq, InitialSeq = :initialSeq
-                WHERE LedgerHash = :ledgerHash;)sql");
 
         auto db (app.getLedgerDB ().checkoutDb ());
 
@@ -981,12 +978,6 @@ static bool saveValidatedLedger (
             soci::use(accountHash),
             soci::use(txHash);
 
-
-        *db << updateVal,
-            soci::use(seq),
-            soci::use(seq),
-            soci::use(hash);
-
         tr.commit();
     }