Allow sending transactions with relaying disabled

monero/backends/jsonrpc.py

@@ -27,10 +27,10 @@ class JSONRPCDaemon(object):
         info = self.raw_jsonrpc_request('get_info')
         return info
 
-    def send_transaction(self, blob):
+    def send_transaction(self, blob, relay=True):
         res = self.raw_request('/sendrawtransaction', {
             'tx_as_hex': blob,
-            'do_not_relay': False})
+            'do_not_relay': not relay})
         if res['status'] == 'OK':
             return res
         raise exceptions.TransactionBroadcastError(

utils/pushtx.py

@@ -22,6 +22,8 @@ argsparser.add_argument('-v', dest='verbosity', action='count', default=0,
     help="Verbosity (repeat to increase; -v for INFO, -vv for DEBUG")
 argsparser.add_argument('-i', dest='tx_filenames', nargs='+', default=None,
     help="Files with transaction data. Will read from stdin if not given.")
+argsparser.add_argument('--no-relay', dest='relay', action='store_false',
+    help="Do not relay the transaction (it will stay at the node unless mined or expired)")
 args = argsparser.parse_args()
 level = logging.WARNING
 if args.verbosity == 1:
@@ -38,7 +40,7 @@ for name, blob in blobs:
     logging.debug("Sending {}".format(name))
     tx = Transaction(blob=blob)
     try:
-        res = d.send_transaction(tx)
+        res = d.send_transaction(tx, relay=args.relay)
     except exceptions.TransactionBroadcastError as e:
         print("{} not sent, reason: {}".format(name, e.details['reason']))
         logging.debug(e.details)