Remove the Merkle tree hash function's fixed point.

2016-05-04 09:15:14 -06:00
parent 9e387120eb
commit bf2e3122ac
8 changed files with 251 additions and 132 deletions
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -70,7 +70,7 @@ CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(Get


 bool CCoinsViewDB::GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const {
-    if (rt.IsNull()) {
+    if (rt == ZCIncrementalMerkleTree::empty_root()) {
        ZCIncrementalMerkleTree new_tree;
        tree = new_tree;
        return true;
@@ -106,7 +106,7 @@ uint256 CCoinsViewDB::GetBestBlock() const {
 uint256 CCoinsViewDB::GetBestAnchor() const {
    uint256 hashBestAnchor;
    if (!db.Read(DB_BEST_ANCHOR, hashBestAnchor))
-        return uint256();
+        return ZCIncrementalMerkleTree::empty_root();
    return hashBestAnchor;
 }