initial hash removal

src/xrpld/shamap/SHAMapAccountStateLeafNode.h

@@ -43,19 +43,10 @@ public:
         updateHash();
     }
 
-    SHAMapAccountStateLeafNode(
-        boost::intrusive_ptr<SHAMapItem const> item,
-        std::uint32_t cowid,
-        SHAMapHash const& hash)
-        : SHAMapLeafNode(std::move(item), cowid, hash)
-    {
-    }
-
     intr_ptr::SharedPtr<SHAMapTreeNode>
     clone(std::uint32_t cowid) const final override
     {
-        return intr_ptr::make_shared<SHAMapAccountStateLeafNode>(
-            item_, cowid, hash_);
+        return intr_ptr::make_shared<SHAMapAccountStateLeafNode>(item_, cowid);
     }
 
     SHAMapNodeType
@@ -67,8 +58,11 @@ public:
     void
     updateHash() final override
     {
-        hash_ = SHAMapHash{
-            sha512Half(HashPrefix::leafNode, item_->slice(), item_->key())};
+        // hash_ = SHAMapHash{
+        //     sha512Half(HashPrefix::leafNode, item_->slice(), item_->key())};
+
+        // TODO return SHAMapHash{
+        //     sha512Half(HashPrefix::leafNode, item_->slice(), item_->key())};
     }
 
     void

src/xrpld/shamap/SHAMapLeafNode.h

@@ -36,11 +36,6 @@ protected:
         boost::intrusive_ptr<SHAMapItem const> item,
         std::uint32_t cowid);
 
-    SHAMapLeafNode(
-        boost::intrusive_ptr<SHAMapItem const> item,
-        std::uint32_t cowid,
-        SHAMapHash const& hash);
-
 public:
     SHAMapLeafNode(const SHAMapLeafNode&) = delete;
     SHAMapLeafNode&

src/xrpld/shamap/SHAMapTreeNode.h

@@ -51,8 +51,6 @@ enum class SHAMapNodeType {
 class SHAMapTreeNode : public IntrusiveRefCounts
 {
 protected:
-    SHAMapHash hash_;
-
     /** Determines the owning SHAMap, if any. Used for copy-on-write semantics.
 
         If this value is 0, the node is not dirty and does not need to be
@@ -75,13 +73,6 @@ protected:
     explicit SHAMapTreeNode(std::uint32_t cowid) noexcept : cowid_(cowid)
     {
     }
-
-    explicit SHAMapTreeNode(
-        std::uint32_t cowid,
-        SHAMapHash const& hash) noexcept
-        : hash_(hash), cowid_(cowid)
-    {
-    }
     /** @} */
 
 public:
@@ -144,7 +135,9 @@ public:
     SHAMapHash const&
     getHash() const
     {
-        return hash_;
+        // TODO
+        static SHAMapHash s;
+        return s;
     }
 
     /** Determines the type of node. */

src/xrpld/shamap/SHAMapTxLeafNode.h

@@ -42,18 +42,10 @@ public:
         updateHash();
     }
 
-    SHAMapTxLeafNode(
-        boost::intrusive_ptr<SHAMapItem const> item,
-        std::uint32_t cowid,
-        SHAMapHash const& hash)
-        : SHAMapLeafNode(std::move(item), cowid, hash)
-    {
-    }
-
     intr_ptr::SharedPtr<SHAMapTreeNode>
     clone(std::uint32_t cowid) const final override
     {
-        return intr_ptr::make_shared<SHAMapTxLeafNode>(item_, cowid, hash_);
+        return intr_ptr::make_shared<SHAMapTxLeafNode>(item_, cowid);
     }
 
     SHAMapNodeType
@@ -65,8 +57,8 @@ public:
     void
     updateHash() final override
     {
-        hash_ =
-            SHAMapHash{sha512Half(HashPrefix::transactionID, item_->slice())};
+        // hash_ =
+        //     SHAMapHash{sha512Half(HashPrefix::transactionID, item_->slice())};
     }
 
     void

src/xrpld/shamap/SHAMapTxPlusMetaLeafNode.h

@@ -43,19 +43,10 @@ public:
         updateHash();
     }
 
-    SHAMapTxPlusMetaLeafNode(
-        boost::intrusive_ptr<SHAMapItem const> item,
-        std::uint32_t cowid,
-        SHAMapHash const& hash)
-        : SHAMapLeafNode(std::move(item), cowid, hash)
-    {
-    }
-
     intr_ptr::SharedPtr<SHAMapTreeNode>
     clone(std::uint32_t cowid) const override
     {
-        return intr_ptr::make_shared<SHAMapTxPlusMetaLeafNode>(
-            item_, cowid, hash_);
+        return intr_ptr::make_shared<SHAMapTxPlusMetaLeafNode>(item_, cowid);
     }
 
     SHAMapNodeType
@@ -67,8 +58,8 @@ public:
     void
     updateHash() final override
     {
-        hash_ = SHAMapHash{
-            sha512Half(HashPrefix::txNode, item_->slice(), item_->key())};
+        // hash_ = SHAMapHash{
+        //     sha512Half(HashPrefix::txNode, item_->slice(), item_->key())};
     }
 
     void

src/xrpld/shamap/detail/SHAMapInnerNode.cpp

@@ -83,7 +83,6 @@ SHAMapInnerNode::clone(std::uint32_t cowid) const
     auto const branchCount = getBranchCount();
     auto const thisIsSparse = !hashesAndChildren_.isDense();
     auto p = intr_ptr::make_shared<SHAMapInnerNode>(cowid, branchCount);
-    p->hash_ = hash_;
     p->isBranch_ = isBranch_;
     p->fullBelowGen_ = fullBelowGen_;
     SHAMapHash *cloneHashes, *thisHashes;
@@ -154,10 +153,11 @@ SHAMapInnerNode::makeFullInner(
 
     ret->resizeChildArrays(ret->getBranchCount());
 
-    if (hashValid)
-        ret->hash_ = hash;
-    else
-        ret->updateHash();
+    // TODO: do this outside?
+    // if (hashValid)
+    //     ret->hash_ = hash;
+    // else
+    //     ret->updateHash();
 
     return ret;
 }
@@ -210,7 +210,9 @@ SHAMapInnerNode::updateHash()
         iterChildren([&](SHAMapHash const& hh) { hash_append(h, hh); });
         nh = static_cast<typename sha512_half_hasher::result_type>(h);
     }
-    hash_ = SHAMapHash{nh};
+
+    // TODO return SHAMapHash{nh};
+    // hash_ = SHAMapHash{nh};
 }
 
 void
@@ -314,8 +316,6 @@ SHAMapInnerNode::setChild(int m, intr_ptr::SharedPtr<SHAMapTreeNode> child)
         children[childIndex] = std::move(child);
     }
 
-    hash_.zero();
-
     XRPL_ASSERT(
         getBranchCount() <= hashesAndChildren_.capacity(),
         "ripple::SHAMapInnerNode::setChild : maximum branch count");
@@ -472,15 +472,9 @@ SHAMapInnerNode::invariants(bool is_root) const
 
     if (!is_root)
     {
-        XRPL_ASSERT(
-            hash_.isNonZero(),
-            "ripple::SHAMapInnerNode::invariants : nonzero hash");
         XRPL_ASSERT(
             count >= 1, "ripple::SHAMapInnerNode::invariants : minimum count");
     }
-    XRPL_ASSERT(
-        (count == 0) ? hash_.isZero() : hash_.isNonZero(),
-        "ripple::SHAMapInnerNode::invariants : hash and count do match");
 }
 
 }  // namespace ripple

src/xrpld/shamap/detail/SHAMapLeafNode.cpp

@@ -32,19 +32,6 @@ SHAMapLeafNode::SHAMapLeafNode(
         "SHAMapItem const>, std::uint32_t) : minimum input size");
 }
 
-SHAMapLeafNode::SHAMapLeafNode(
-    boost::intrusive_ptr<SHAMapItem const> item,
-    std::uint32_t cowid,
-    SHAMapHash const& hash)
-    : SHAMapTreeNode(cowid, hash), item_(std::move(item))
-{
-    XRPL_ASSERT(
-        item_->size() >= 12,
-        "ripple::SHAMapLeafNode::SHAMapLeafNode(boost::intrusive_ptr<"
-        "SHAMapItem const>, std::uint32_t, SHAMapHash const&) : minimum input "
-        "size");
-}
-
 boost::intrusive_ptr<SHAMapItem const> const&
 SHAMapLeafNode::peekItem() const
 {
@@ -57,11 +44,14 @@ SHAMapLeafNode::setItem(boost::intrusive_ptr<SHAMapItem const> item)
     XRPL_ASSERT(cowid_, "ripple::SHAMapLeafNode::setItem : nonzero cowid");
     item_ = std::move(item);
 
-    auto const oldHash = hash_;
+    // auto const oldHash = hash_;
 
-    updateHash();
+    // updateHash();
 
-    return (oldHash != hash_);
+    // return (oldHash != hash_);
+
+    // TODO : return updateHash();
+    return true;
 }
 
 std::string
@@ -82,8 +72,8 @@ SHAMapLeafNode::getString(const SHAMapNodeID& id) const
 
     ret += "  Tag=";
     ret += to_string(item_->key());
-    ret += "\n  Hash=";
-    ret += to_string(hash_);
+    // ret += "\n  Hash=";
+    // ret += to_string(hash_);
     ret += "/";
     ret += std::to_string(item_->size());
     return ret;
@@ -92,8 +82,6 @@ SHAMapLeafNode::getString(const SHAMapNodeID& id) const
 void
 SHAMapLeafNode::invariants(bool) const
 {
-    XRPL_ASSERT(
-        hash_.isNonZero(), "ripple::SHAMapLeafNode::invariants : nonzero hash");
     XRPL_ASSERT(item_, "ripple::SHAMapLeafNode::invariants : non-null item");
 }
 

src/xrpld/shamap/detail/SHAMapTreeNode.cpp

@@ -42,8 +42,7 @@ SHAMapTreeNode::makeTransaction(
         make_shamapitem(sha512Half(HashPrefix::transactionID, data), data);
 
     if (hashValid)
-        return intr_ptr::make_shared<SHAMapTxLeafNode>(
-            std::move(item), 0, hash);
+        return intr_ptr::make_shared<SHAMapTxLeafNode>(std::move(item), 0);
 
     return intr_ptr::make_shared<SHAMapTxLeafNode>(std::move(item), 0);
 }
@@ -72,7 +71,7 @@ SHAMapTreeNode::makeTransactionWithMeta(
 
     if (hashValid)
         return intr_ptr::make_shared<SHAMapTxPlusMetaLeafNode>(
-            std::move(item), 0, hash);
+            std::move(item), 0);
 
     return intr_ptr::make_shared<SHAMapTxPlusMetaLeafNode>(std::move(item), 0);
 }
@@ -104,7 +103,7 @@ SHAMapTreeNode::makeAccountState(
 
     if (hashValid)
         return intr_ptr::make_shared<SHAMapAccountStateLeafNode>(
-            std::move(item), 0, hash);
+            std::move(item), 0);
 
     return intr_ptr::make_shared<SHAMapAccountStateLeafNode>(
         std::move(item), 0);