Issue steemit#13 - use head_block - 3 as reference

pharesim · Jun 23, 2017 · d110d3b · d110d3b
1 parent 2836730
commit d110d3b
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/steembase/transactions.py b/steembase/transactions.py
@@ -327,8 +327,9 @@ def get_block_params(steem):
         witness node!
     """
     props = steem.get_dynamic_global_properties()
-    ref_block_num = props["head_block_number"] & 0xFFFF
-    ref_block_prefix = struct.unpack_from("<I", unhexlify(props["head_block_id"]), 4)[0]
+    ref_block_num = props["head_block_number"] - 3 & 0xFFFF
+    ref_block = ws.get_block(props["head_block_number"] - 2)
+    ref_block_prefix = struct.unpack_from("<I", unhexlify(ref_block["previous"]), 4)[0]
     return ref_block_num, ref_block_prefix