electrum

commit 2307323bb7b254aff3512336b17872af9fc53e6e
parent 81520729381241648e47933b37211d1238c338c1
Author: thomasv <thomasv@gitorious>
Date:   Sat, 27 Oct 2012 16:56:04 +0200

redo verifications if a header verification fails

Diffstat:
M
lib/verifier.py
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lib/verifier.py b/lib/verifier.py
@@ -208,8 +208,13 @@ class WalletVerifier(threading.Thread):
             assert bits == header.get('bits')
             assert eval('0x'+_hash) < target
         except:
+            # this can be caused by a reorg.
             print_error("verify header failed"+ repr(header))
-            # this can be caused by a reorg. 
+            # undo verifications
+            for tx_hash, tx_height in self.verified_tx.items():
+                if tx_height >= height:
+                    print "redoing", tx_hash
+                    self.verified_tx.pop(tx_hash)
             # return False to request previous header.
             return False
 
@@ -269,7 +274,6 @@ class WalletVerifier(threading.Thread):
         self.set_local_height()
 
     def save_header(self, header):
-        # todo: invalidate tx verifications if we rewind
         data = self.header_to_string(header).decode('hex')
         assert len(data) == 80
         height = header.get('block_height')