tFix crash bug due to new RPC behaving differently - electrum-personal-server - Maximally lightweight electrum server for a single user
  HTML git clone https://git.parazyd.org/electrum-personal-server
   DIR Log
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   DIR README
       ---
   DIR commit 861e77e4195dc96bda47afe909d5338bc98f140c
   DIR parent e80137f8d5d521d50401ab6f5fc3a031775b13df
  HTML Author: chris-belcher <chris-belcher@users.noreply.github.com>
       Date:   Fri,  7 Sep 2018 13:38:11 +0100
       
       Fix crash bug due to new RPC behaving differently
       
       The RPC call getaddressesbylabel gives an error if a non-existant label
       is queried, which is different to getaddressesbyaccount which just
       returns an empty list. This caused a crash bug.
       
       Diffstat:
         M server.py                           |       8 ++++++--
       
       1 file changed, 6 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/server.py b/server.py
       t@@ -389,8 +389,12 @@ def get_scriptpubkeys_to_monitor(rpc, config):
                debug("using deprecated accounts interface")
            except JsonRpcError:
                #bitcoin core 0.17 deprecates accounts, replaced with labels
       -        imported_addresses = set(rpc.call("getaddressesbylabel",
       -            [transactionmonitor.ADDRESSES_LABEL]).keys())
       +        if transactionmonitor.ADDRESSES_LABEL in rpc.call("listlabels", []):
       +            imported_addresses = set(rpc.call("getaddressesbylabel",
       +                [transactionmonitor.ADDRESSES_LABEL]).keys())
       +        else:
       +            #no label, no addresses imported at all
       +            imported_addresses = set()
            debug("already-imported addresses = " + str(imported_addresses))
        
            deterministic_wallets = []