async block headers

2018-08-14 17:50:20 +02:00
parent 19387ff911
commit e9ceeb85af
6 changed files with 364 additions and 37 deletions
--- a/electrum/blockchain.py
+++ b/electrum/blockchain.py
@@ -308,7 +308,7 @@ class Blockchain(util.PrintError):
        elif height == 0:
            return constants.net.GENESIS
        elif height < len(self.checkpoints) * 2016:
-            assert (height+1) % 2016 == 0, height
+            assert (height+1) % 2016 == 0, (height, len(self.checkpoints), (height+1) % 2016)
            index = height // 2016
            h, t = self.checkpoints[index]
            return h