Refuse to use templates specifying a version older than the one we wi…

…ll use to build blocks
luke-jr · Jul 5, 2015 · 6ce65de · 6ce65de
1 parent 649209f
commit 6ce65de
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/merklemaker.py b/merklemaker.py
@@ -478,6 +478,10 @@ def _updateMerkleTree_fromTS(self, TS):
 		newMerkleTree.source = TS['name']
 		newMerkleTree.source_uri = TS['uri']
 
+		if MP['version'] < self.BlockVersion:
+			self.logger.error('Template from \'%s\' has too low block version (%u < %u)' % (TS['name'], MP['version'], self.BlockVersion))
+			return None
+
 		(AcceptedScore, TotalScore) = self._CheckTemplate(newMerkleTree, TS)
 
 		AcceptRatio = AcceptedScore / TotalScore