add LedgerSequence check

cfg/xahaud-example.cfg

@@ -1769,7 +1769,7 @@ pool.ntp.org
 # Unless an absolute path is specified, it will be considered relative to the
 # folder in which the xahaud.cfg file is located.
 [validators_file]
-validators.txt
+validators-xahau.txt
 
 # Turn down default logging to save disk space in the long run.
 # Valid values here are trace, debug, info, warning, error, and fatal

src/ripple/app/tx/impl/Cron.cpp

@@ -44,12 +44,15 @@ Cron::preflight(PreflightContext const& ctx)
 
     auto const ret = preflight0(ctx);
     if (!isTesSuccess(ret))
+    {
+        JLOG(ctx.j.fatal()) << "Cron: preflight failed";
         return ret;
+    }
 
     auto account = ctx.tx.getAccountID(sfAccount);
     if (account != beast::zero)
     {
-        JLOG(ctx.j.warn()) << "Cron: Bad source id";
+        JLOG(ctx.j.fatal()) << "Cron: Bad source id";
         return temBAD_SRC_ACCOUNT;
     }
 
@@ -57,21 +60,21 @@ Cron::preflight(PreflightContext const& ctx)
     auto const fee = ctx.tx.getFieldAmount(sfFee);
     if (!fee.native() || fee != beast::zero)
     {
-        JLOG(ctx.j.warn()) << "Cron: invalid fee";
+        JLOG(ctx.j.fatal()) << "Cron: invalid fee";
         return temBAD_FEE;
     }
 
     if (!ctx.tx.getSigningPubKey().empty() || !ctx.tx.getSignature().empty() ||
         ctx.tx.isFieldPresent(sfSigners))
     {
-        JLOG(ctx.j.warn()) << "Cron: Bad signature";
+        JLOG(ctx.j.fatal()) << "Cron: Bad signature";
         return temBAD_SIGNATURE;
     }
 
     if (ctx.tx.getFieldU32(sfSequence) != 0 ||
         ctx.tx.isFieldPresent(sfPreviousTxnID))
     {
-        JLOG(ctx.j.warn()) << "Cron: Bad sequence";
+        JLOG(ctx.j.fatal()) << "Cron: Bad sequence";
         return temBAD_SEQUENCE;
     }
 
@@ -84,6 +87,12 @@ Cron::preclaim(PreclaimContext const& ctx)
     if (!ctx.view.rules().enabled(featureCron))
         return temDISABLED;
 
+    if (ctx.tx.getFieldU32(sfLedgerSequence) != ctx.view.info().seq)
+    {
+        JLOG(ctx.j.fatal()) << "Cron: wrong ledger sequence";
+        return tefFAILURE;
+    }
+
     return tesSUCCESS;
 }
 
@@ -105,7 +114,7 @@ Cron::doApply()
 
     if (!sle->isFieldPresent(sfCron))
     {
-        JLOG(j_.warn()) << "Cron: sfCron missing from account " << id;
+        JLOG(j_.fatal()) << "Cron: sfCron missing from account " << id;
         return tefINTERNAL;
     }
 
@@ -114,7 +123,7 @@ Cron::doApply()
     auto sleCron = view.peek(klOld);
     if (!sleCron)
     {
-        JLOG(j_.warn()) << "Cron: Cron object missing for account " << id;
+        JLOG(j_.fatal()) << "Cron: Cron object missing for account " << id;
         return tesSUCCESS;
     }
 
@@ -126,7 +135,10 @@ Cron::doApply()
     // do all this sanity checking before we modify the ledger...
     uint32_t afterTime = lastStartTime + delay;
     if (afterTime < lastStartTime)
+    {
+        JLOG(j_.fatal()) << "Cron: afterTime < lastStartTime";
         return tefINTERNAL;
+    }
 
     // in all circumstances the Cron object is deleted...
     // if there are further crons to do then a new one is created at the next
@@ -134,7 +146,10 @@ Cron::doApply()
 
     if (!view.dirRemove(
             keylet::ownerDir(id), (*sleCron)[sfOwnerNode], klOld, false))
+    {
+        JLOG(j_.fatal()) << "Cron: Ownerdir bad. " << id;
         return tefBAD_LEDGER;
+    }
 
     view.erase(sleCron);
 
@@ -156,19 +171,22 @@ Cron::doApply()
     auto const page =
         view.dirInsert(keylet::ownerDir(id), klCron, describeOwnerDir(id));
     if (!page)
+    {
+        JLOG(j_.fatal()) << "Cron: Ownerdir full. " << id;
         return tecDIR_FULL;
+    }
 
-    sleCron = std::make_shared<SLE>(klCron);
+    auto newSleCron = std::make_shared<SLE>(klCron);
 
-    sleCron->setFieldU64(sfOwnerNode, *page);
+    newSleCron->setFieldU64(sfOwnerNode, *page);
-    sleCron->setFieldU32(sfDelaySeconds, delay);
+    newSleCron->setFieldU32(sfDelaySeconds, delay);
-    sleCron->setFieldU32(sfRepeatCount, recur - 1);
+    newSleCron->setFieldU32(sfRepeatCount, recur - 1);
-    sleCron->setFieldU32(sfStartTime, afterTime);
+    newSleCron->setFieldU32(sfStartTime, afterTime);
-    sleCron->setAccountID(sfOwner, id);
+    newSleCron->setAccountID(sfOwner, id);
 
     sle->setFieldH256(sfCron, klCron.key);
 
-    view.insert(sleCron);
+    view.insert(newSleCron);
     view.update(sle);
 
     return tesSUCCESS;

src/ripple/rpc/impl/RPCHelpers.cpp

@@ -1106,9 +1106,9 @@ chooseLedgerEntryType(Json::Value const& params)
     std::pair<RPC::Status, LedgerEntryType> result{RPC::Status::OK, ltANY};
     if (params.isMember(jss::type))
     {
-        static constexpr std::array<std::pair<char const*, LedgerEntryType>, 22>
+        static constexpr std::array<std::pair<char const*, LedgerEntryType>, 23>
-            types{
+            types{{
-                {{jss::account, ltACCOUNT_ROOT},
+                {jss::account, ltACCOUNT_ROOT},
                 {jss::amendments, ltAMENDMENTS},
                 {jss::check, ltCHECK},
                 {jss::deposit_preauth, ltDEPOSIT_PREAUTH},
@@ -1129,7 +1129,9 @@ chooseLedgerEntryType(Json::Value const& params)
                 {jss::ticket, ltTICKET},
                 {jss::nft_offer, ltNFTOKEN_OFFER},
                 {jss::nft_page, ltNFTOKEN_PAGE},
-                 {jss::unl_report, ltUNL_REPORT}}};
+                {jss::unl_report, ltUNL_REPORT},
+                {jss::cron, ltCRON},
+            }};
 
         auto const& p = params[jss::type];
         if (!p.isString())

src/test/rpc/AccountObjects_test.cpp

@@ -781,6 +781,22 @@ public:
             auto const& hook = resp[jss::result][jss::account_objects][0u];
             BEAST_EXPECT(hook[sfAccount.jsonName] == gw.human());
         }
+        {
+            // Create a Cron
+            env(cron::set(gw),
+                cron::startTime(env.now().time_since_epoch().count() + 100),
+                cron::delay(100),
+                cron::repeat(200),
+                fee(XRP(1)));
+            env.close();
+        }
+        {
+            // Find the cron.
+            Json::Value const resp = acct_objs(gw, jss::cron);
+            BEAST_EXPECT(acct_objs_is_size(resp, 1));
+            auto const& cron = resp[jss::result][jss::account_objects][0u];
+            BEAST_EXPECT(cron[sfOwner.jsonName] == gw.human());
+        }
         {
             // See how "deletion_blockers_only" handles gw's directory.
             Json::Value params;