init

build-core.sh

@@ -95,8 +95,16 @@ if [[ "$4" == "" ]]; then
   echo "Non GH, local building, no Action runner magic"
 else
   # GH Action, runner
-  cp /io/release-build/xahaud /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
-  cp /io/release-build/release.info /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
+    if [[ "$(git rev-parse --abbrev-ref HEAD)" == "release" ]]; then
+        echo "building on the release branch... placing it in builds/candidate"
+        mkdir /data/builds/candidate
+        cp /io/release-build/xahaud /data/builds/candidate/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
+        cp /io/release-build/release.info /data/builds/candidate/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
+    else
+        echo "building non-release branch, placing it in builds root"
+        cp /io/release-build/xahaud /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
+        cp /io/release-build/release.info /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
+    fi  
   echo "Published build to: http://build.xahau.tech/"
   echo $(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
 fi

include/xrpl/protocol/detail/features.macro

@@ -34,6 +34,7 @@
 // If you add an amendment here, then do not forget to increment `numFeatures`
 // in include/xrpl/protocol/Feature.h.
 
+XRPL_FEATURE(SecureUI,                   Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (HookMap,                    Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FIX    (GuardDepth32,               Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(NamedHooks,                 Supported::yes, VoteBehavior::DefaultNo)

include/xrpl/protocol/detail/ledger_entries.macro

@@ -262,6 +262,7 @@ LEDGER_ENTRY(ltACCOUNT_ROOT, 0x0061, AccountRoot, account, ({
     {sfHookStateScale,       soeOPTIONAL},
     {sfCron,                 soeOPTIONAL},
     {sfAMMID,                soeOPTIONAL},
+    {sfSecureUI,             soeOPTIONAL},
 }))
 
 /** A ledger object which contains a list of object identifiers.

include/xrpl/protocol/detail/sfields.macro

@@ -293,6 +293,7 @@ TYPED_SFIELD(sfAssetClass,               VL,        29)
 TYPED_SFIELD(sfProvider,                 VL,        30)
 TYPED_SFIELD(sfMPTokenMetadata,          VL,        31)
 TYPED_SFIELD(sfCredentialType,           VL,        32)
+TYPED_SFIELD(sfSecureUI,                 VL,        96)
 TYPED_SFIELD(sfHookName,                 VL,        97)
 TYPED_SFIELD(sfRemarkValue,              VL,        98)
 TYPED_SFIELD(sfRemarkName,               VL,        99)

include/xrpl/protocol/detail/transactions.macro

@@ -74,6 +74,7 @@ TRANSACTION(ttACCOUNT_SET, 3, AccountSet, ({
     {sfTickSize, soeOPTIONAL},
     {sfNFTokenMinter, soeOPTIONAL},
     {sfHookStateScale, soeOPTIONAL},
+    {sfSecureUI, soeOPTIONAL},
 }))
 
 /** This transaction type cancels an existing escrow. */

src/xrpld/app/ledger/detail/LedgerMaster.cpp

@@ -311,28 +311,12 @@ LedgerMaster::setValidLedger(std::shared_ptr<Ledger const> const& l)
             if (auto const first =
                     app_.getAmendmentTable().firstUnsupportedExpected())
             {
-                using namespace std::chrono_literals;
-                auto const now = app_.timeKeeper().closeTime();
-                if (*first > now && (*first - now) <= 1min)
-                {
-                    // Shut down just before the amendment activates to
-                    // avoid processing ledgers with unknown fields.
-                    JLOG(m_journal.error())
-                        << "Unsupported amendment activating imminently "
-                           "at "
-                        << to_string(*first) << ". Shutting down.";
-                    app_.getOPs().setAmendmentBlocked();
-                }
-                else
-                {
-                    JLOG(m_journal.error())
-                        << "One or more unsupported amendments "
-                           "reached majority. Upgrade before "
-                        << to_string(*first)
-                        << " to prevent your server from "
-                           "becoming amendment blocked.";
-                    app_.getOPs().setAmendmentWarned();
-                }
+                JLOG(m_journal.error()) << "One or more unsupported amendments "
+                                           "reached majority. Upgrade before "
+                                        << to_string(*first)
+                                        << " to prevent your server from "
+                                           "becoming amendment blocked.";
+                app_.getOPs().setAmendmentWarned();
             }
             else
                 app_.getOPs().clearAmendmentWarned();

src/xrpld/app/misc/NetworkOPs.cpp

@@ -1634,16 +1634,6 @@ NetworkOPsImp::setAmendmentBlocked()
 {
     amendmentBlocked_ = true;
     setMode(OperatingMode::CONNECTED);
-    if (!app_.config().standalone())
-    {
-        JLOG(m_journal.fatal())
-            << "One or more unsupported amendments activated. "
-               "Shutting down. Upgrade the server to remain "
-               "compatible with the network.";
-        app_.signalStop(
-            "One or more unsupported amendments activated. "
-            "Server must be upgraded to remain compatible with the network.");
-    }
 }
 
 inline bool
@@ -1799,23 +1789,8 @@ NetworkOPsImp::switchLastClosedLedger(
 
     clearNeedNetworkLedger();
 
-    // Update fee computations. May throw if the ledger contains
-    // transactions with fields unknown to this binary (e.g. after an
-    // unsupported amendment activates). Catch to allow graceful shutdown.
-    //@@start process-closed-ledger-catch
-    try
-    {
-        app_.getTxQ().processClosedLedger(app_, *newLCL, true);
-    }
-    catch (std::runtime_error const& e)
-    {
-        if (!amendmentBlocked_)
-            throw;
-        JLOG(m_journal.error())
-            << "Failed to process closed ledger: " << e.what();
-        return;
-    }
-    //@@end process-closed-ledger-catch
+    // Update fee computations.
+    app_.getTxQ().processClosedLedger(app_, *newLCL, true);
 
     // Caller must own master lock
     {
@@ -2474,7 +2449,7 @@ NetworkOPsImp::getServerInfo(bool human, bool admin, bool counters)
                 "may be incorrectly configured or some [validator_list_sites] "
                 "may be unreachable.";
         }
-        if (isAmendmentWarned())
+        if (admin && isAmendmentWarned())
         {
             Json::Value& w = warnings.append(Json::objectValue);
             w[jss::id] = warnRPC_UNSUPPORTED_MAJORITY;
@@ -2918,7 +2893,6 @@ NetworkOPsImp::pubLedger(std::shared_ptr<ReadView const> const& lpAccepted)
     // Ledgers are published only when they acquire sufficient validations
     // Holes are filled across connection loss or other catastrophe
 
-    //@@start pubLedger-accepted-ledger-construction
     std::shared_ptr<AcceptedLedger> alpAccepted =
         app_.getAcceptedLedgerCache().fetch(lpAccepted->info().hash);
     if (!alpAccepted)
@@ -2927,7 +2901,6 @@ NetworkOPsImp::pubLedger(std::shared_ptr<ReadView const> const& lpAccepted)
         app_.getAcceptedLedgerCache().canonicalize_replace_client(
             lpAccepted->info().hash, alpAccepted);
     }
-    //@@end pubLedger-accepted-ledger-construction
 
     XRPL_ASSERT(
         alpAccepted->getLedger().get() == lpAccepted.get(),

src/xrpld/app/tx/detail/SetAccount.cpp

@@ -197,6 +197,31 @@ SetAccount::preflight(PreflightContext const& ctx)
             return temMALFORMED;
     }
 
+    if (tx.isFieldPresent(sfSecureUI))
+    {
+        if (!ctx.rules.enabled(featureSecureUI))
+            return temMALFORMED;
+
+        Blob ui = tx.getFieldVL(sfSecureUI);
+
+        if (ui.size() == 0)
+        {
+            // this is an unset operation, pass
+        }
+        else if (ui.size() > 4096)
+        {
+            JLOG(j.trace()) << "SecureUI: Too long > 4096 bytes";
+            return temMALFORMED;
+        }
+        else if (!URIToken::validateUTF8(ui))
+        {
+            JLOG(j.trace()) << "SecureUI: Not UTF-8";
+            return temMALFORMED;
+        }
+
+        // valid
+    } 
+
     return preflight2(ctx);
 }
 
@@ -699,6 +724,23 @@ SetAccount::doApply()
             sle->setFieldU16(sfHookStateScale, newScale);
         }
     }
+
+    if (tx.isFieldPresent(sfSecureUI))
+    {
+        Blob ui = tx.getFieldVL(sfSecureUI);
+        if (ui.size() == 0)
+        {
+            // unset operation
+            if (sle->isFieldPresent(sfSecureUI))
+                sle->makeFieldAbsent(sfSecureUI);
+        }
+        else
+        {
+            // set operation
+            sle->setFieldVL(sfSecureUI, std::move(ui));
+        }
+    }
+
     ctx_.view().update(sle);
 
     return tesSUCCESS;