fixInnerObjTemplate2 amendment

include/xrpl/protocol/Feature.h

@@ -80,7 +80,7 @@ namespace detail {
 // Feature.cpp. Because it's only used to reserve storage, and determine how
 // large to make the FeatureBitset, it MAY be larger. It MUST NOT be less than
 // the actual number of amendments. A LogicError on startup will verify this.
-static constexpr std::size_t numFeatures = 76;
+static constexpr std::size_t numFeatures = 77;
 
 /** Amendments that this server supports and the default voting behavior.
    Whether they are enabled depends on the Rules defined in the validated
@@ -369,6 +369,7 @@ extern uint256 const fixAMMv1_1;
 extern uint256 const featureNFTokenMintOffer;
 extern uint256 const fixReducedOffersV2;
 extern uint256 const fixEnforceNFTokenTrustline;
+extern uint256 const fixInnerObjTemplate2;
 
 }  // namespace ripple
 

include/xrpl/protocol/STObject.h

@@ -44,7 +44,6 @@
 namespace ripple {
 
 class STArray;
-class Rules;
 
 inline void
 throwFieldNotFound(SField const& field)
@@ -105,7 +104,7 @@ class STObject : public STBase, public CountedObject<STObject>
     explicit STObject(SField const& name);
 
     static STObject
-    makeInnerObject(SField const& name, Rules const& rules);
+    makeInnerObject(SField const& name);
 
     iterator
     begin() const;

src/libxrpl/protocol/Feature.cpp

@@ -496,6 +496,7 @@ REGISTER_FIX    (fixAMMv1_1,                    Supported::yes, VoteBehavior::De
 REGISTER_FEATURE(NFTokenMintOffer,              Supported::yes, VoteBehavior::DefaultNo);
 REGISTER_FIX    (fixReducedOffersV2,            Supported::yes, VoteBehavior::DefaultNo);
 REGISTER_FIX    (fixEnforceNFTokenTrustline,    Supported::yes, VoteBehavior::DefaultNo);
+REGISTER_FIX    (fixInnerObjTemplate2,          Supported::yes, VoteBehavior::DefaultNo);
 
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.

src/libxrpl/protocol/STObject.cpp

@@ -61,10 +61,19 @@ STObject::STObject(SerialIter& sit, SField const& name, int depth) noexcept(
 }
 
 STObject
-STObject::makeInnerObject(SField const& name, Rules const& rules)
+STObject::makeInnerObject(SField const& name)
 {
     STObject obj{name};
-    if (rules.enabled(fixInnerObjTemplate))
+
+    // The if is complicated because inner object templates were added in
+    // two phases:
+    //  1. If there are no available Rules, then always apply the template.
+    //  2. fixInnerObjTemplate added templates to two AMM inner objects.
+    //  3. fixInnerObjTemplate2 added templates to all remaining inner objects.
+    std::optional<Rules> const& rules = getCurrentTransactionRules();
+    bool const isAMMObj = name == sfAuctionSlot || name == sfVoteEntry;
+    if (!rules || (rules->enabled(fixInnerObjTemplate) && isAMMObj) ||
+        (rules->enabled(fixInnerObjTemplate2) && !isAMMObj))
     {
         if (SOTemplate const* elements =
                 InnerObjectFormats::getInstance().findSOTemplateBySField(name))

src/libxrpl/protocol/XChainAttestations.cpp

@@ -203,7 +203,8 @@ AttestationClaim::AttestationClaim(Json::Value const& v)
 STObject
 AttestationClaim::toSTObject() const
 {
-    STObject o{sfXChainClaimAttestationCollectionElement};
+    STObject o =
+        STObject::makeInnerObject(sfXChainClaimAttestationCollectionElement);
     addHelper(o);
     o[sfXChainClaimID] = claimID;
     if (dst)
@@ -345,7 +346,8 @@ AttestationCreateAccount::AttestationCreateAccount(
 STObject
 AttestationCreateAccount::toSTObject() const
 {
-    STObject o{sfXChainCreateAccountAttestationCollectionElement};
+    STObject o = STObject::makeInnerObject(
+        sfXChainCreateAccountAttestationCollectionElement);
     addHelper(o);
 
     o[sfXChainAccountCreateCount] = createCount;
@@ -497,7 +499,7 @@ XChainClaimAttestation::XChainClaimAttestation(
 STObject
 XChainClaimAttestation::toSTObject() const
 {
-    STObject o{sfXChainClaimProofSig};
+    STObject o = STObject::makeInnerObject(sfXChainClaimProofSig);
     o[sfAttestationSignerAccount] =
         STAccount{sfAttestationSignerAccount, keyAccount};
     o[sfPublicKey] = publicKey;
@@ -609,7 +611,7 @@ XChainCreateAccountAttestation::XChainCreateAccountAttestation(
 STObject
 XChainCreateAccountAttestation::toSTObject() const
 {
-    STObject o{sfXChainCreateAccountProofSig};
+    STObject o = STObject::makeInnerObject(sfXChainCreateAccountProofSig);
 
     o[sfAttestationSignerAccount] =
         STAccount{sfAttestationSignerAccount, keyAccount};