quit scripts gracefully on walletservice rpc startup failure

jmclient/jmclient/wallet_utils.py

@@ -1432,6 +1432,8 @@ def wallet_tool_main(wallet_root_path):
         # this object is only to respect the layering,
         # the service will not be started since this is a synchronous script:
         wallet_service = WalletService(wallet)
+        if wallet_service.rpc_error:
+            sys.exit(EXIT_FAILURE)
 
         if method not in noscan_methods and jm_single().bc_interface is not None:
             # if nothing was configured, we override bitcoind's options so that

scripts/add-utxo.py

@@ -172,6 +172,8 @@ def main():
         wallet_path = get_wallet_path(options.loadwallet)
         wallet = open_wallet(wallet_path, gap_limit=options.gaplimit)
         wallet_service = WalletService(wallet)
+        if wallet_service.rpc_error:
+            sys.exit(EXIT_FAILURE)
         while True:
             if wallet_service.sync_wallet(fast=not options.recoversync):
                 break

scripts/sendpayment.py

@@ -170,6 +170,8 @@ def main():
         wallet_password_stdin=options.wallet_password_stdin,
         gap_limit=options.gaplimit)
     wallet_service = WalletService(wallet)
+    if wallet_service.rpc_error:
+        sys.exit(EXIT_FAILURE)
     # in this script, we need the wallet synced before
     # logic processing for some paths, so do it now:
     while not wallet_service.synced:

scripts/tumbler.py

@@ -45,6 +45,8 @@ def main():
     wallet_path = get_wallet_path(wallet_name, None)
     wallet = open_test_wallet_maybe(wallet_path, wallet_name, max_mix_depth, wallet_password_stdin=options_org.wallet_password_stdin)
     wallet_service = WalletService(wallet)
+    if wallet_service.rpc_error:
+        sys.exit(EXIT_FAILURE)
     # in this script, we need the wallet synced before
     # logic processing for some paths, so do it now:
     while not wallet_service.synced: