implementing mksendmanytx

A simple argument parsing change from mktx to allow passing multiple recipients

electrum

@@ -338,6 +338,16 @@ if __name__ == '__main__':
         domain = [options.from_addr] if options.from_addr else None
         args = [ 'mktx', args[1], Decimal(args[2]), Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain ]
         
+    elif cmd == 'mksendmanytx':
+        domain = [options.from_addr] if options.from_addr else None
+        outputs = []
+        for i in range(1, len(args), 2):
+            if len(args) < i+2:
+                print_msg("Error: Mismatched arguments.")
+                exit(1)
+            outputs.append((args[i], Decimal(args[i+1])))
+        args = [ 'mksendmanytx', outputs, Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain ]        
+
     elif cmd == 'help':
         if len(args) < 2:
             parser.print_help()

lib/commands.py

@@ -60,6 +60,7 @@ register_command('importprivkey',        1, 1, True,  True,  'Import a private k
 register_command('listaddresses',        3, 3, False, True,  'Returns your list of addresses.', '', listaddr_options)
 register_command('listunspent',          0, 0, False, True,  'Returns a list of unspent inputs in your wallet.')
 register_command('mktx',                 5, 5, True,  True,  'Create a signed transaction', 'mktx <recipient> <amount> [label]', payto_options)
+register_command('mksendmanytx',         4, 4, True,  True,  'Create a signed transaction', 'mktx <recipient> <amount> [<recipient> <amount> ...]', payto_options)
 register_command('payto',                5, 5, True,  False, 'Create and broadcast a transaction.', "payto <recipient> <amount> [label]\n<recipient> can be a bitcoin address or a label", payto_options)
 register_command('password',             0, 0, True,  True,  'Change your password')
 register_command('prioritize',           1, 1, False, True,  'Coins at prioritized addresses are spent first.', 'prioritize <address>')
@@ -207,8 +208,9 @@ class Commands:
         return self.wallet.verify_message(address, signature, message)
 
 
-    def _mktx(self, to_address, amount, fee = None, change_addr = None, domain = None):
+    def _mktx(self, outputs, fee = None, change_addr = None, domain = None):
 
+        for to_address, amount in outputs:
             if not is_valid(to_address):
                 raise BaseException("Invalid Bitcoin address", to_address)
 
@@ -224,26 +226,36 @@ class Commands:
                 if not self.wallet.is_mine(addr):
                     raise BaseException("address not in wallet", addr)
 
+        for k, v in self.wallet.labels.items():
+            if change_addr and v == change_addr:
+                change_addr = k
+
+        final_outputs = []
+        for to_address, amount in outputs:
             for k, v in self.wallet.labels.items():
                 if v == to_address:
                     to_address = k
                     print_msg("alias", to_address)
                     break
-            if change_addr and v == change_addr:
-                change_addr = k
 
             amount = int(100000000*amount)
+            final_outputs.append((to_address, amount))
+            
         if fee: fee = int(100000000*fee)
-        return self.wallet.mktx( [(to_address, amount)], self.password, fee , change_addr, domain)
+        return self.wallet.mktx(final_outputs, self.password, fee , change_addr, domain)
 
 
     def mktx(self, to_address, amount, fee = None, change_addr = None, domain = None):
-        tx = self._mktx(to_address, amount, fee, change_addr, domain)
+        tx = self._mktx([(to_address, amount)], fee, change_addr, domain)
+        return tx.as_dict()
+
+    def mksendmanytx(self, outputs, fee = None, change_addr = None, domain = None):
+        tx = self._mktx(outputs, fee, change_addr, domain)
         return tx.as_dict()
 
 
     def payto(self, to_address, amount, fee = None, change_addr = None, domain = None):
-        tx = self._mktx(to_address, amount, fee, change_addr, domain)
+        tx = self._mktx([(to_address, amount)], fee, change_addr, domain)
         r, h = self.wallet.sendtx( tx )
         return h