URI: 
       tregister commands, check for their arguments - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 19d104f023890a0cdfc5be947a6b9beb47d25b2e
   DIR parent 4f5023e31b059d559db6f2f9b67ef067dd688cd6
  HTML Author: thomasv <thomasv@gitorious>
       Date:   Fri,  1 Mar 2013 13:33:11 +0100
       
       register commands, check for their arguments
       
       Diffstat:
         M electrum                            |      93 ++++++++++++++-----------------
         M lib/commands.py                     |     127 +++++++++++++------------------
       
       2 files changed, 94 insertions(+), 126 deletions(-)
       ---
   DIR diff --git a/electrum b/electrum
       t@@ -297,20 +297,6 @@ if __name__ == '__main__':
                sys.exit(0)
        
        
       -    # open session
       -    if cmd not in offline_commands and not options.offline:
       -        interface = Interface(config)
       -        interface.register_callback('connected', lambda: sys.stderr.write("Connected to " + interface.connection_msg + "\n"))
       -        interface.start()
       -        wallet.interface = interface
       -        verifier = WalletVerifier(interface, config)
       -        wallet.set_verifier(verifier)
       -        synchronizer = WalletSynchronizer(wallet, config)
       -        synchronizer.start()
       -        wallet.update()
       -        wallet.save()
       -
       -
                        
            # important warning
            if cmd in ['dumpprivkey', 'dumpprivkeys']:
       t@@ -338,38 +324,13 @@ if __name__ == '__main__':
                password = None
        
        
       -    # check and format the arguments
       +    # add missing arguments
            if cmd == 'importprivkey':
                # See if they specificed a key on the cmd line, if not prompt
                if len(args) == 1:
                    args[1] = prompt_password('Enter PrivateKey (will not echo):', False)
        
       -    elif cmd == 'signmessage':
       -        if len(args) < 3:
       -            print_msg("Error: Invalid usage of signmessage.")
       -            print_msg(known_commands[cmd])
       -            sys.exit(1)
       -        address = args[1]
       -        message = ' '.join(args[2:])
       -        if len(args) > 3:
       -            print_msg("Warning: Message was reconstructed from several arguments:", repr(message))
       -        args = [ cmd, address, message ]
       -
       -    elif cmd == 'verifymessage':
       -        try:
       -            address = args[1]
       -            signature = args[2]
       -            message = ' '.join(args[3:])
       -        except:
       -            print_msg("Error: Not all parameters were given, displaying help instead.")
       -            print_msg(known_commands[cmd])
       -            sys.exit(1)
       -        if len(args) > 4:
       -            print_msg("Warning: Message was reconstructed from several arguments:", repr(message))
       -        args = [ cmd, address, signature, message]
       -
            elif cmd == 'signrawtransaction':
       -        import json
                args = [ cmd, args[1], json.loads(args[2]) if len(args)>2 else [], json.loads(args[3]) if len(args)>3 else []]
        
            elif cmd == 'createmultisig':
       t@@ -380,15 +341,6 @@ if __name__ == '__main__':
        
            elif cmd=='listaddresses':
                args = [cmd, options.show_all, options.show_balance, options.show_labels]
       -                
       -    elif cmd == 'setlabel':
       -        try:
       -            tx = args[1]
       -            label = ' '.join(args[2:])
       -        except:
       -            print_msg("Error. Syntax:  label <tx_hash> <text>")
       -            sys.exit(1)
       -        args = [ cmd, tx, label ]
        
            elif cmd in ['payto', 'mktx']:
        
       t@@ -434,6 +386,44 @@ if __name__ == '__main__':
                #    del(wallet.history[from_addr])
                #wallet.save()
        
       +                
       +
       +    # check the number of arguments
       +    min_args, max_args, description, syntax, options_syntax = known_commands[cmd]
       +    if len(args) - 1 < min_args:
       +        print_msg("Not enough arguments")
       +        print_msg("Syntax:", syntax)
       +        sys.exit(1)
       +
       +    if max_args >= 0 and len(args) - 1 > max_args:
       +        print_msg("too many arguments", args)
       +        print_msg("Syntax:", syntax)
       +        sys.exit(1)
       +
       +    if max_args < 0:
       +        if len(args) > min_args:
       +            message = ' '.join(args[min_args:])
       +            print_msg("Warning: Final argument was reconstructed from several arguments:", repr(message))
       +            args = args[0:min_args] + [ message ]
       +        
       +
       +
       +
       +
       +
       +
       +    # open session
       +    if cmd not in offline_commands and not options.offline:
       +        interface = Interface(config)
       +        interface.register_callback('connected', lambda: sys.stderr.write("Connected to " + interface.connection_msg + "\n"))
       +        interface.start()
       +        wallet.interface = interface
       +        verifier = WalletVerifier(interface, config)
       +        wallet.set_verifier(verifier)
       +        synchronizer = WalletSynchronizer(wallet, config)
       +        synchronizer.start()
       +        wallet.update()
       +        wallet.save()
        
        
            # run the command
       t@@ -445,7 +435,10 @@ if __name__ == '__main__':
                    print_msg("Type 'electrum --help' to see the list of options")
                    print_msg("List of commands:", ', '.join(known_commands))
                else:
       -            print_msg(known_commands[cmd2])
       +            _, _, description, syntax, options_syntax = known_commands[cmd2]
       +            print_msg(description)
       +            if syntax: print_msg("Syntax: " + syntax)
       +            if options_syntax: print_msg("options:\n" + options_syntax)
        
            elif cmd == 'deseed':
                if not wallet.seed:
   DIR diff --git a/lib/commands.py b/lib/commands.py
       t@@ -22,85 +22,60 @@ from bitcoin import *
        from decimal import Decimal
        import bitcoin
        
       -known_commands = {
       -    'help':'Prints this help',
       -    'validateaddress':'Check that the address is valid', 
       -    'getbalance': "Display the balance of your wallet or of an address.\nSyntax: getbalance [<address>]", 
       -    'contacts': "Show your list of contacts", 
       -    'create':'Create a wallet', 
       -    'restore':'Restore a wallet', 
       -    'payto':"""Create and broadcast a transaction.
       -Syntax: payto <recipient> <amount> [label]
       -<recipient> can be a bitcoin address or a label
       -options:\n  --fee, -f: set transaction fee\n  --fromaddr, -s: send from address -\n  --changeaddr, -c: send change to address
       -            """,
       -    'sendrawtransaction':
       -            'Broadcasts a transaction to the network. \nSyntax: sendrawtransaction <tx in hexadecimal>',
       -    'password': 
       -            "Changes your password",
       -    'listaddresses':
       -            """Shows your list of addresses.
       -options:
       -  -a: show all addresses, including change addresses
       -  -b: include balance in results
       -  -l: include labels in results
       -  """,
       -
       -    'history':"Shows the transaction history",
       -    'setlabel':'Assign a label to an item\nSyntax: label <tx_hash> <label>',
       -    'mktx':
       -        """Create a signed transaction, password protected.
       -Syntax: mktx <recipient> <amount> [label]
       -options:\n  --fee, -f: set transaction fee\n  --fromaddr, -s: send from address -\n  --changeaddr, -c: send change to address
       -        """,
       -    'getseed':
       -            "Print the generation seed of your wallet.",
       -    'importprivkey': 
       -            'Import a private key\nSyntax: importprivkey <privatekey>',
       -    'signmessage':
       -            'Signs a message with a key\nSyntax: signmessage <address> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello  This is a weird String "',
       -    'verifymessage':
       -             'Verifies a signature\nSyntax: verifymessage <address> <signature> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello  This is a weird String "',
       -    'eval':  
       -             "Run python eval() on an object\nSyntax: eval <expression>\nExample: eval \"wallet.aliases\"",
       -    'get': 
       -             "Get config parameter.",
       -    'set': 
       -             "Set config parameter.",
       -    'deseed':
       -            "Create a seedless, watching-only wallet.",
       -    'freeze':'',
       -    'unfreeze':'',
       -    'prioritize':'',
       -    'unprioritize':'',
       -    'dumpprivkey':'similar to bitcoind\'s command',
       -    'dumpprivkeys':'dump all private keys',
       -    'listunspent':'similar to bitcoind\'s command',
       -    'createmultisig':'similar to bitcoind\'s command',
       -    'createrawtransaction':'similar to bitcoind\'s command',
       -    'decoderawtransaction':'similar to bitcoind\'s command',
       -    'signrawtransaction':'similar to bitcoind\'s command',
       -    'get_history': 'get history for an address'
       +known_commands = {}
       +offline_commands = []
       +protected_commands = []
       +
       +def register_command(name, min_args, max_args, is_protected, is_offline, description, syntax = '', options_syntax = ''):
       +    global known_commands, protected_commands, offline_commands
       +    known_commands[name] = (min_args, max_args, description, syntax, options_syntax)
       +    if is_protected:
       +        protected_commands.append(name)
       +    if is_offline:
       +        offline_commands.append(name)
       +
       +
       +payto_options = ' --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address'
       +listaddr_options = " -a: show all addresses, including change addresses\n -b: include balance in results\n -l: include labels in results"
       +
       +
       +register_command('contacts',             0, 0, False, True,  'Show your list of contacts')
       +register_command('create',               0, 0, False, True,  'Create a new wallet')
       +register_command('createmultisig',       2, 2, False, True,  'similar to bitcoind\'s command')
       +register_command('createrawtransaction', 2, 2, False, True,  'similar to bitcoind\'s command')
       +register_command('deseed',               0, 0, False, True,  'Create a seedless, watching-only wallet.')
       +register_command('decoderawtransaction', 1, 1, False, True,  'similar to bitcoind\'s command')
       +register_command('dumpprivkey',          1, 1, True,  True,  'similar to bitcoind\'s command')
       +register_command('dumpprivkeys',         0, 0, True,  True,  'dump all private keys')
       +register_command('eval',                 1, 1, False, True,  'Run python eval() on an object', 'eval <expression>\nExample: eval \"wallet.aliases\"')
       +register_command('freeze',               1, 1, False, True,  'Freeze the funds at one of your wallet\'s addresses')
       +register_command('getbalance',           0, 1, False, False, 'Display the balance of your wallet or of an address', 'getbalance [<address>]')
       +register_command('getaddresshistory',    1, 1, False, False, 'get history for an address')
       +register_command('getconfig',            1, 1, False, True,  'Return a configuration variable', 'getconfig <name>')
       +register_command('getseed',              0, 0, True,  True,  'Print the generation seed of your wallet.')
       +register_command('help',                 0, 1, False, True,  'Prints this help')
       +register_command('history',              0, 0, False, False, 'Returns the transaction history of your wallet')
       +register_command('importprivkey',        1, 1, True,  True,  'Import a private key', 'importprivkey <privatekey>')
       +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('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('restore',              0, 0, False, False, 'Restore a wallet')
       +register_command('setconfig',            2, 2, False, True,  'Set a configuration variable', 'setconfig <name> <value>')
       +register_command('setlabel',             2,-1, False, True,  'Assign a label to an item', 'setlabel <tx_hash> <label>')
       +register_command('sendrawtransaction',   1, 1, False, False, 'Broadcasts a transaction to the network.', 'sendrawtransaction <tx in hexadecimal>')
       +register_command('prioritize',           1, 1, False, True,  '')
       +register_command('signrawtransaction',   1, 3, True,  True,  'similar to bitcoind\'s command')
       +register_command('signmessage',          2,-1, True,  True,  'Sign a message with a key', 'signmessage <address> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello  This is a weird String "')
       +register_command('unprioritize',         1, 1, False, True,  '')
       +register_command('unfreeze',             1, 1, False, True,  '')
       +register_command('validateaddress',      1, 1, False, True,  'Check that the address is valid')
       +register_command('verifymessage',        3,-1, False, True,  'Verifies a signature', 'verifymessage <address> <signature> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello  This is a weird String "')
            
       -    }
        
        
        
       -offline_commands = [ 'password', 'mktx',
       -                     'setlabel', 'contacts',
       -                     'help', 'validateaddress',
       -                     'signmessage', 'verifymessage',
       -                     'eval', 'set', 'get', 'create', 'listaddresses',
       -                     'importprivkey', 'getseed',
       -                     'deseed',
       -                     'freeze','unfreeze',
       -                     'prioritize','unprioritize',
       -                     'dumpprivkey','dumpprivkeys','listunspent',
       -                     'createmultisig', 'createrawtransaction', 'decoderawtransaction', 'signrawtransaction'
       -                     ]
       -
       -protected_commands = ['payto', 'password', 'mktx', 'getseed', 'importprivkey','signmessage', 'signrawtransaction', 'dumpprivkey', 'dumpprivkeys' ]
       -
        class Commands:
        
            def __init__(self, wallet, interface, callback = None):
       t@@ -118,7 +93,7 @@ class Commands:
                    apply(self._callback, ())
                return result
        
       -    def get_history(self, addr):
       +    def getaddresshistory(self, addr):
                h = self.wallet.get_history(addr)
                if h is None: h = self.wallet.interface.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
                return h