Namecoin: Apply difficulty retargeting hardfork that activated with A…

…uxPoW.
namecoin · Jun 30, 2018 · f67a253 · f67a253
1 parent b98723f
commit f67a253
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/blockchain.py b/lib/blockchain.py
@@ -303,7 +303,11 @@ def get_target(self, index):
             h, t = self.checkpoints[index]
             return t
         # new target
-        first = self.read_header(index * 2016)
+        if (index * 2016 + 2015 > 19200) and (index * 2016 + 2015 + 1 > 2016):
+            # Namecoin: Apply retargeting hardfork after AuxPoW start
+            first = self.read_header(index * 2016 - 1)
+        else:
+            first = self.read_header(index * 2016)
         last = self.read_header(index * 2016 + 2015)
         if not first or not last:
             raise MissingHeader()