tfix #750 - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 37127e563bf8f47588b546e0c16871d6d1811e59
   DIR parent 0511d7e76f6be38425ff13c2c74b8792e4bfffa4
  HTML Author: ThomasV <thomasv@gitorious>
       Date:   Sat,  5 Jul 2014 03:57:05 +0200
       
       fix #750
       
       Diffstat:
         M lib/verifier.py                     |       3 +++
       
       1 file changed, 3 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/lib/verifier.py b/lib/verifier.py
       t@@ -102,6 +102,9 @@ class TxVerifier(threading.Thread):
                    # request missing tx
                    for tx_hash, tx_height in self.transactions.items():
                        if tx_hash not in self.verified_tx:
       +                    # do not request merkle branch before headers are available
       +                    if tx_height > self.network.blockchain.height():
       +                        continue
                            if self.merkle_roots.get(tx_hash) is None and tx_hash not in requested_merkle:
                                if self.network.send([ ('blockchain.transaction.get_merkle',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r)):
                                    print_error('requesting merkle', tx_hash)