Fixes

Author: devfans

README.md

@@ -31,10 +31,17 @@ python3 -m pip install electrum-scripting
 ## Get Started
 
 ```python
-from electrum_scripting.wallet import WalletScripting as ws
+> from electrum_scripting.wallet import WalletScripting as ws
 
 # Call electrum command
-ws.call('listunspent')
+> unspents = ws.call('listunspent')
+[{'address': 'bc1q9tguzkmqul768z9hxkeg8hd6yrrhexymwmykygwk4m6g4t8msheq3z0rxm', 'value': '0.00258', 'prevout_n': 1, 'prevout_hash': '18810325792ff18d52fa65f1724d13750a584bfec8f44a4670f7baecac6d1510', 'height': 587939, 'coinbase': False}]
+
+> tx = ws.call('paytomany', unsigned=True, password="password", outputs=[['address1', 'amount1']])
+{'hex': '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', 'complete': False, 'final': False}
+
+# Other utils
+> ws.qr(tx, 'unsigned_tx.png')
 
 ```
 

electrum_scripting/wallet.py

@@ -1,7 +1,8 @@
 import os
 import sys
 import warnings
-
+import qrcode
+import qrcode.image.svg
 
 MIN_PYTHON_VERSION = "3.6.1"  # FIXME duplicated from setup.py
 _min_python_version_tuple = tuple(map(int, (MIN_PYTHON_VERSION.split("."))))
@@ -19,6 +20,7 @@ def check_imports():
         import ecdsa
         import certifi
         import qrcode
+        import qrcode.image.svg
         import google.protobuf
         import jsonrpclib
         import aiorpcx
@@ -41,11 +43,13 @@ def check_imports():
 from electrum import SimpleConfig
 from electrum.wallet import Wallet
 from electrum.storage import WalletStorage, get_derivation_used_for_hw_device_encryption
-from electrum.util import print_msg, print_stderr, json_encode, json_decode, UserCancelled
+from electrum.util import print_msg, print_stderr, json_encode, json_decode, UserCancelled, bfh
 from electrum.util import InvalidPassword
 from electrum.commands import get_parser, known_commands, Commands, config_variables
 from electrum import daemon
 from electrum import keystore
+from electrum.transaction import Transaction
+from electrum.bitcoin import base_encode
 
 _logger = get_logger(__name__)
 
@@ -229,41 +233,62 @@ def init_plugins(config, gui_name):
 
 
 class WalletScripting(object):
+    # Default configurations, overwrite from setup or call
+    config_options = {
+        'verbosity': '',
+        'verbosity_shortcuts': '',
+        'portable': False,
+        'testnet': False,
+        'regtest': False,
+        'simnet': False,
+        'cwd': os.getcwd()
+    }
+
     @classmethod
-    def setup(cls):
-        pass
+    def setup(cls, **kwargs):
+        cls.config_options.update(kwargs)
 
     @classmethod
     def call(cls, command, *args, **kwargs):
         # command line
         config_options = {
-            'verbosity': '',
-            'verbosity_shortcuts': '',
-            'portable': False,
-            'testnet': False,
-            'regtest': False,
-            'simnet': False,
             'cmd': command
         }
-        config_options['cwd'] = os.getcwd()
+        config_options.update(cls.config_options)
+        config_options.update(kwargs)
+
+        # print(config_options)
         config = SimpleConfig(config_options)
         cmdname = config.get('cmd')
 
         server = daemon.get_server(config)
         init_cmdline(config_options, server)
+
         if server is not None:
-            print("goes online")
             result = server.run_cmdline(config_options)
-            print(result)
         else:
-            print("goes offline")
             cmd = known_commands[cmdname]
             if cmd.requires_network:
                 print_msg("Daemon not running; try 'electrum daemon start'")
                 sys.exit(1)
             else:
                 plugins = init_plugins(config, 'cmdline')
                 result = run_offline_command(config, config_options, plugins)
-                print(result)
+
+        return result
+
+    @classmethod
+    def qr(cls, tx, filename):
+        if type(tx) == dict and 'hex' in tx:
+            tx = tx['hex']
+        tx = Transaction(tx)
+        text = bfh(str(tx))
+        text = base_encode(text, base=43)
+        img = qrcode.make(text, image_factory=qrcode.image.svg.SvgPathImage)
+
+        img.save(filename)
+        print("QR Image saved as " + filename)
+
+
 
 

test.py

@@ -3,5 +3,14 @@
 ws.setup()
 
 # cmd: listunspent
-print('calling')
 ws.call('listunspent')
+
+# cmd: paytomany
+tx = ws.call('paytomany', unsigned=True, password='123321', outputs=[['bc1q9tguzkmqul768z9hxkeg8hd6yrrhexymwmykygwk4m6g4t8msheq3z0rxm', '0.001']])
+
+# util: qr
+ws.qr(tx['hex'], 'unsigned_tx.svg')
+
+# cmd: signtransaction
+tx_signed = ws.call('signtransaction', password='123321', tx=tx['hex'])
+ws.qr(tx_signed['hex'], 'signed_tx.svg')