Added mapSerials consensus rules to prohibit double-spending.

2016-01-08 08:37:17 -07:00
parent 03bff15fe2
commit d66877afb3
8 changed files with 224 additions and 4 deletions
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -391,6 +391,15 @@ bool CCoinsViewCache::HavePourRequirements(const CTransaction& tx) const
 {
    BOOST_FOREACH(const CPourTx &pour, tx.vpour)
    {
+        BOOST_FOREACH(const uint256& serial, pour.serials)
+        {
+            if (GetSerial(serial)) {
+                // If the serial is set, this transaction
+                // double-spends!
+                return false;
+            }
+        }
+
        libzerocash::IncrementalMerkleTree tree(INCREMENTAL_MERKLE_TREE_DEPTH);
        if (!GetAnchorAt(pour.anchor, tree)) {
            // If we do not have the anchor for the pour,