fix too short headers file

2017-12-20 12:37:45 +01:00 · 2017-12-20 12:37:45 +01:00 · 4bab8b63e1
parent dc388d4c7c
commit 4bab8b63e1
1 changed files with 2 additions and 2 deletions
--- a/lib/network.py
+++ b/lib/network.py
@ -949,8 +949,8 @@ class Network(util.DaemonThread):
    def init_headers_file(self):
        b = self.blockchains[0]
        filename = b.path()
-        if not os.path.exists(filename):
-            length = 80 * len(bitcoin.NetworkConstants.CHECKPOINTS) * 2016
+        length = 80 * len(bitcoin.NetworkConstants.CHECKPOINTS) * 2016
+        if not os.path.exists(filename) or os.path.getsize(filename) < length:
            with open(filename, 'wb') as f:
                if length>0:
                    f.seek(length-1)