X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=lib%2Fcommands.py;h=30a38b346ef967eb44c461f260f5ce718a4c0cce;hb=HEAD;hp=db11eb76edd8b7fccfc08df8a2671aa91de57251;hpb=f957837e218770531502d995556bc34925a6b733;p=electrum-nvc.git

diff --git a/lib/commands.py b/lib/commands.py
index db11eb7..30a38b3 100644
--- a/lib/commands.py
+++ b/lib/commands.py
@@ -16,140 +16,181 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-
-from util import *
-from bitcoin import *
+import datetime
+import time
+import copy
+from util import print_msg, format_satoshis
+from bitcoin import is_valid, hash_160_to_bc_address, hash_160
 from decimal import Decimal
 import bitcoin
+from transaction import Transaction
+
+
+class Command:
+    def __init__(self, name, min_args, max_args, requires_network, requires_wallet, requires_password, description, syntax = '', options_syntax = ''):
+        self.name = name
+        self.min_args=min_args
+        self.max_args = max_args
+        self.requires_network = requires_network
+        self.requires_wallet = requires_wallet
+        self.requires_password = requires_password
+        self.description = description
+        self.syntax = syntax
+        self.options = options_syntax
+
 
 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)
 
+def register_command(*args):
+    global known_commands
+    name = args[0]
+    known_commands[name] = Command(*args)
 
-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"
-restore_options = " accepts a seed or master public key."
-config_options = " accounts, addr_history, auto_cycle, column_widths, console-history, contacts,\n fee_per_kb, frozen_addresses, gap_limit, imported_keys, labels,\n master_public_key, num_zeros, prioritized_addresses, proxy, seed,\n seed_version, server, transactions, use_change, use_encryption, winpos-qt"
-
-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,  'Remove seed from wallet, creating a seedless, watching-only wallet.')
-register_command('decoderawtransaction', 1, 1, False, True,  'similar to bitcoind\'s command')
-register_command('dumpprivkey',          1, 1, True,  True,  'Dumps a specified private key for a given address', 'dumpprivkey <bitcoin address>')
-register_command('dumpprivkeys',         0, 0, True,  True,  'dump all private keys')
-register_command('freeze',               1, 1, False, True,  'Freeze the funds at one of your wallet\'s addresses', 'freeze <address>')
-register_command('getbalance',           0, 1, False, False, 'Return the balance of your wallet, or of one account in your wallet', 'getbalance [<account>]')
-register_command('getaddressbalance',    1, 1, False, False, 'Return the balance of an address', 'getbalance <address>')
-register_command('getaddresshistory',    1, 1, False, False, 'Return the transaction history of an address', 'getaddresshistory <address>')
-register_command('getconfig',            1, 1, False, True,  'Return a configuration variable', 'getconfig <name>', config_options)
-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('mksendmanytx',         4, 4, True,  True,  'Create a signed transaction', 'mksendmanytx <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('paytomany',            4, 4, True,  False, 'Create and broadcast a transaction.', "paytomany <recipient> <amount> [<recipient> <amount> ...]\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>')
-register_command('restore',              0, 0, False, False, 'Restore a wallet', '', restore_options)
-register_command('setconfig',            2, 2, False, True,  'Set a configuration variable', 'setconfig <name> <value>', config_options)
-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('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('unfreeze',             1, 1, False, True,  'Unfreeze the funds at one of your wallet\'s address', 'unfreeze <address>')
-register_command('unprioritize',         1, 1, False, True,  'Unprioritize an address', 'unprioritize <address>')
-register_command('validateaddress',      1, 1, False, True,  'Check that the address is valid', 'validateaddress <address>')
-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 "')
-    
 
 
+payto_options = ' --fee, -f: set transaction fee\n --fromaddr, -F: send from address -\n --changeaddr, -c: send change to address'
+listaddr_options = " -a: show all addresses, including change addresses\n -l: include labels in results"
+restore_options = " accepts a seed or master public key."
+mksendmany_syntax = 'mksendmanytx <recipient> <amount> [<recipient> <amount> ...]'
+payto_syntax = "payto <recipient> <amount> [label]\n<recipient> can be a novacoin address or a label"
+paytomany_syntax = "paytomany <recipient> <amount> [<recipient> <amount> ...]\n<recipient> can be a novacoin address or a label"
+signmessage_syntax = '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_syntax = '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 "'
+
+
+#                command
+#                                              requires_network
+#                                                     requires_wallet
+#                                                            requires_password
+register_command('contacts',             0, 0, False, True,  False, 'Show your list of contacts')
+register_command('create',               0, 0, False, True,  False, 'Create a new wallet')
+register_command('createmultisig',       2, 2, False, True,  False, 'similar to novacoind\'s command')
+register_command('createrawtransaction', 2, 2, False, True,  False, 'similar to novacoind\'s command')
+register_command('deseed',               0, 0, False, True,  False, 'Remove seed from wallet, creating a seedless, watching-only wallet.')
+register_command('decoderawtransaction', 1, 1, False, False, False, 'similar to novacoind\'s command')
+register_command('getprivatekeys',       1, 1, False, True,  True,  'Get the private keys of a given address', 'getprivatekeys <novacoin address>')
+register_command('dumpprivkeys',         0, 0, False, True,  True,  'Dump all private keys in your wallet')
+register_command('freeze',               1, 1, False, True,  True,  'Freeze the funds at one of your wallet\'s addresses', 'freeze <address>')
+register_command('getbalance',           0, 1, True,  True,  False, 'Return the balance of your wallet, or of one account in your wallet', 'getbalance [<account>]')
+register_command('getservers',           0, 0, True,  False, False, 'Return the list of available servers')
+register_command('getversion',           0, 0, False, False, False, 'Return the version of your client', 'getversion')
+register_command('getaddressbalance',    1, 1, True,  False, False, 'Return the balance of an address', 'getaddressbalance <address>')
+register_command('getaddresshistory',    1, 1, True,  False, False, 'Return the transaction history of a wallet address', 'getaddresshistory <address>')
+register_command('getconfig',            1, 1, False, False, False, 'Return a configuration variable', 'getconfig <name>')
+register_command('getpubkeys',           1, 1, False, True,  False, 'Return the public keys for a wallet address', 'getpubkeys <novacoin address>')
+register_command('getrawtransaction',    1, 1, True,  False, False, 'Retrieve a transaction', 'getrawtransaction <txhash>')
+register_command('getseed',              0, 0, False, True,  True,  'Print the generation seed of your wallet.')
+register_command('getmpk',               0, 0, False, True,  False, 'Return your wallet\'s master public key', 'getmpk')
+register_command('help',                 0, 1, False, False, False, 'Prints this help')
+register_command('history',              0, 0, True,  True,  False, 'Returns the transaction history of your wallet')
+register_command('importprivkey',        1, 1, False, True,  True,  'Import a private key', 'importprivkey <privatekey>')
+register_command('listaddresses',        2, 2, False, True,  False, 'Returns your list of addresses.', '', listaddr_options)
+register_command('listunspent',          0, 0, True,  True,  False, 'Returns the list of unspent inputs in your wallet.')
+register_command('getaddressunspent',    1, 1, True,  False, False, 'Returns the list of unspent inputs for an address.')
+register_command('mktx',                 5, 5, False, True,  True,  'Create a signed transaction', 'mktx <recipient> <amount> [label]', payto_options)
+register_command('mksendmanytx',         4, 4, False, True,  True,  'Create a signed transaction', mksendmany_syntax, payto_options)
+register_command('payto',                5, 5, True,  True,  True,  'Create and broadcast a transaction.', payto_syntax, payto_options)
+register_command('paytomany',            4, 4, True,  True,  True,  'Create and broadcast a transaction.', paytomany_syntax, payto_options)
+register_command('password',             0, 0, False, True,  True,  'Change your password')
+register_command('restore',              0, 0, True,  True,  False, 'Restore a wallet', '', restore_options)
+register_command('setconfig',            2, 2, False, False, False, 'Set a configuration variable', 'setconfig <name> <value>')
+register_command('setlabel',             2,-1, False, True,  False, 'Assign a label to an item', 'setlabel <tx_hash> <label>')
+register_command('sendrawtransaction',   1, 1, True,  False, False, 'Broadcasts a transaction to the network.', 'sendrawtransaction <tx in hexadecimal>')
+register_command('signrawtransaction',   1, 3, False, True,  True,  'Sign a serailized transaction','signrawtransaction <tx in hexadecimal>')
+register_command('signmessage',          2,-1, False, True,  True,  'Sign a message with a key', signmessage_syntax)
+register_command('unfreeze',             1, 1, False, True,  False, 'Unfreeze the funds at one of your wallet\'s address', 'unfreeze <address>')
+register_command('validateaddress',      1, 1, False, False, False, 'Check that the address is valid', 'validateaddress <address>')
+register_command('verifymessage',        3,-1, False, False, False, 'Verifies a signature', verifymessage_syntax)
+
+register_command('encrypt',              2,-1, False, False, False, 'encrypt a message with pubkey','encrypt <pubkey> <message>')
+register_command('decrypt',              2,-1, False, True, True,   'decrypt a message encrypted with pubkey','decrypt <pubkey> <message>')
+register_command('daemon',               1, 1, True, False, False,  '<stop|status>')
+register_command('getproof',             1, 1, True, False, False, 'get merkle proof', 'getproof <address>')
+register_command('getutxoaddress',       2, 2, True, False, False, 'get the address of an unspent transaction output','getutxoaddress <txid> <pos>')
+register_command('sweep',                2, 3, True, False, False, 'Sweep a private key.', 'sweep privkey addr [fee]')
+
 
 class Commands:
 
-    def __init__(self, wallet, interface, callback = None):
+    def __init__(self, wallet, network, callback = None):
         self.wallet = wallet
-        self.interface = interface
+        self.network = network
         self._callback = callback
         self.password = None
 
     def _run(self, method, args, password_getter):
-        if method in protected_commands and self.wallet.use_encryption:
+        cmd = known_commands[method]
+        if cmd.requires_password and self.wallet.use_encryption:
             self.password = apply(password_getter,())
-        f = eval('self.'+method)
-        result = apply(f,args)
+        f = getattr(self, method)
+        result = f(*args)
         self.password = None
         if self._callback:
             apply(self._callback, ())
         return result
 
     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
+        return self.network.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
+
+    def daemon(self, arg):
+        if arg=='stop':
+            return self.network.stop()
+        elif arg=='status':
+            return {
+                'server':self.network.main_server(),
+                'connected':self.network.is_connected()
+            }
+        else:
+            return "unknown command \"%s\""% arg
 
     def listunspent(self):
-        import copy
         l = copy.deepcopy(self.wallet.get_unspent_coins())
-        for i in l: i["value"] = str(Decimal(i["value"])/100000000)
+        for i in l: i["value"] = str(Decimal(i["value"])/1000000)
         return l
 
+    def getaddressunspent(self, addr):
+        return self.network.synchronous_get([ ('blockchain.address.listunspent',[addr]) ])[0]
+
+    def getutxoaddress(self, txid, num):
+        r = self.network.synchronous_get([ ('blockchain.utxo.get_address',[txid, num]) ])
+        if r:
+            return {'address':r[0] }
+
     def createrawtransaction(self, inputs, outputs):
-        # convert to own format
         for i in inputs:
-            i['tx_hash'] = i['txid']
-            i['index'] = i['vout']
+            i['prevout_hash'] = i['txid']
+            i['prevout_n'] = i['vout']
         outputs = map(lambda x: (x[0],int(1e8*x[1])), outputs.items())
-        tx = Transaction.from_io(inputs, outputs)
+        tx = Transaction(int(time.time()), inputs, outputs)
         return tx
 
-    def signrawtransaction(self, raw_tx, input_info, private_keys):
-        tx = Transaction(raw_tx)
-        self.wallet.signrawtransaction(tx, input_info, private_keys, self.password)
+    def signrawtransaction(self, raw_tx, private_keys):
+        tx = Transaction.deserialize(raw_tx)
+        self.wallet.signrawtransaction(tx, private_keys, self.password)
         return tx
 
     def decoderawtransaction(self, raw):
-        tx = Transaction(raw)
-        return tx.deserialize()
+        tx = Transaction.deserialize(raw)
+        return {'inputs':tx.inputs, 'outputs':tx.outputs}
 
     def sendrawtransaction(self, raw):
-        tx = Transaction(raw)
-        r, h = self.wallet.sendtx( tx )
-        return h
+        tx = Transaction.deserialize(raw)
+        return self.network.synchronous_get([('blockchain.transaction.broadcast', [str(tx)])])[0]
 
     def createmultisig(self, num, pubkeys):
         assert isinstance(pubkeys, list)
         redeem_script = Transaction.multisig_script(pubkeys, num)
-        address = hash_160_to_bc_address(hash_160(redeem_script.decode('hex')), 5)
+        address = hash_160_to_bc_address(hash_160(redeem_script.decode('hex')), 20)
         return {'address':address, 'redeemScript':redeem_script}
-    
+
     def freeze(self,addr):
         return self.wallet.freeze(addr)
-        
+
     def unfreeze(self,addr):
         return self.wallet.unfreeze(addr)
 
-    def prioritize(self, addr):
-        return self.wallet.prioritize(addr)
-
-    def unprioritize(self, addr):
-        return self.wallet.unprioritize(addr)
-
-    def dumpprivkey(self, addr):
+    def getprivatekeys(self, addr):
         return self.wallet.get_private_key(addr, self.password)
 
     def dumpprivkeys(self, addresses = None):
@@ -157,16 +198,16 @@ class Commands:
             addresses = self.wallet.addresses(True)
         return [self.wallet.get_private_key(address, self.password) for address in addresses]
 
-    def validateaddress(self,addr):
+    def validateaddress(self, addr):
         isvalid = is_valid(addr)
         out = { 'isvalid':isvalid }
         if isvalid:
-            is_mine = self.wallet.is_mine(addr)
             out['address'] = addr
-            out['ismine'] = is_mine
-            if is_mine:
-                out['pubkey'] = self.wallet.get_public_key(addr)
-            
+        return out
+
+    def getpubkeys(self, addr):
+        out = { 'address':addr }
+        out['pubkeys'] = self.wallet.get_public_keys(addr)
         return out
 
     def getbalance(self, account= None):
@@ -175,56 +216,73 @@ class Commands:
         else:
             c, u = self.wallet.get_account_balance(account)
 
-        out = { "confirmed": str(Decimal(c)/100000000) }
-        if u: out["unconfirmed"] = str(Decimal(u)/100000000)
+        out = { "confirmed": str(Decimal(c)/1000000) }
+        if u: out["unconfirmed"] = str(Decimal(u)/1000000)
         return out
 
     def getaddressbalance(self, addr):
-        c, u = self.wallet.get_addr_balance(addr)
-        out = { "confirmed": str(Decimal(c)/100000000) }
-        if u: out["unconfirmed"] = str(Decimal(u)/100000000)
+        out = self.network.synchronous_get([ ('blockchain.address.get_balance',[addr]) ])[0]
+        out["confirmed"] =  str(Decimal(out["confirmed"])/1000000)
+        out["unconfirmed"] =  str(Decimal(out["unconfirmed"])/1000000)
+        return out
+
+    def getproof(self, addr):
+        p = self.network.synchronous_get([ ('blockchain.address.get_proof',[addr]) ])[0]
+        out = []
+        for i,s in p:
+            out.append(i)
         return out
 
+    def getservers(self):
+        while not self.network.is_up_to_date():
+            time.sleep(0.1)
+        return self.network.get_servers()
+
+    def getversion(self):
+        import electrum_nvc  # Needs to stay here to prevent ciruclar imports
+        return electrum.ELECTRUM_VERSION
+
+    def getmpk(self):
+        return self.wallet.get_master_public_keys()
 
     def getseed(self):
-        import mnemonic
-        seed = self.wallet.decode_seed(self.password)
-        return { "hex":seed, "mnemonic": ' '.join(mnemonic.mn_encode(seed)) }
+        mnemonic = self.wallet.get_mnemonic(self.password)
+        return { 'mnemonic':mnemonic, 'version':self.wallet.seed_version }
 
     def importprivkey(self, sec):
         try:
             addr = self.wallet.import_key(sec,self.password)
             out = "Keypair imported: ", addr
-        except BaseException as e:
+        except Exception as e:
             out = "Error: Keypair import failed: " + str(e)
         return out
 
+    def sweep(self, privkey, to_address, fee = 0.0001):
+        fee = int(Decimal(fee)*1000000)
+        return Transaction.sweep([privkey], self.network, to_address, fee)
 
     def signmessage(self, address, message):
         return self.wallet.sign_message(address, message, self.password)
 
-
     def verifymessage(self, address, signature, message):
-        return self.wallet.verify_message(address, signature, message)
-
+        return bitcoin.verify_message(address, signature, message)
 
     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)
+                raise Exception("Invalid Novacoin address", to_address)
 
         if change_addr:
             if not is_valid(change_addr):
-                raise BaseException("Invalid Bitcoin address", change_addr)
+                raise Exception("Invalid Novacoin address", change_addr)
 
         if domain is not None:
             for addr in domain:
                 if not is_valid(addr):
-                    raise BaseException("invalid Bitcoin address", addr)
-            
+                    raise Exception("invalid Novacoin address", addr)
+
                 if not self.wallet.is_mine(addr):
-                    raise BaseException("address not in wallet", addr)
+                    raise Exception("address not in wallet", addr)
 
         for k, v in self.wallet.labels.items():
             if change_addr and v == change_addr:
@@ -238,12 +296,11 @@ class Commands:
                     print_msg("alias", to_address)
                     break
 
-            amount = int(100000000*amount)
-            final_outputs.append((to_address, amount))
-            
-        if fee: fee = int(100000000*fee)
-        return self.wallet.mktx(final_outputs, self.password, fee , change_addr, domain)
+            amount = int(1000000*amount)
+            final_outputs.append(('address', to_address, amount))
 
+        if fee: fee = int(1000000*fee)
+        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)
@@ -253,7 +310,6 @@ class Commands:
         tx = self._mktx(outputs, fee, change_addr, domain)
         return tx
 
-
     def payto(self, to_address, amount, fee = None, change_addr = None, domain = None):
         tx = self._mktx([(to_address, amount)], fee, change_addr, domain)
         r, h = self.wallet.sendtx( tx )
@@ -264,47 +320,36 @@ class Commands:
         r, h = self.wallet.sendtx( tx )
         return h
 
-
     def history(self):
-        import datetime
         balance = 0
         out = []
         for item in self.wallet.get_tx_history():
             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
             try:
                 time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
-            except:
+            except Exception:
                 time_str = "----"
 
             label, is_default_label = self.wallet.get_label(tx_hash)
-            if not label: label = tx_hash
-            else: label = label + ' '*(64 - len(label) )
 
-            out.append( "%16s"%time_str + "  " + label + "  " + format_satoshis(value)+ "  "+ format_satoshis(balance) )
+            out.append({'txid':tx_hash, 'date':"%16s"%time_str, 'label':label, 'value':format_satoshis(value)})
         return out
 
-
-
     def setlabel(self, key, label):
         self.wallet.set_label(key, label)
 
-            
-
     def contacts(self):
         c = {}
         for addr in self.wallet.addressbook:
             c[addr] = self.wallet.labels.get(addr)
         return c
 
-
-    def listaddresses(self, show_all = False, show_balance = False, show_label = False):
+    def listaddresses(self, show_all = False, show_label = False):
         out = []
         for addr in self.wallet.addresses(True):
             if show_all or not self.wallet.is_change(addr):
-                if show_balance or show_label:
+                if show_label:
                     item = { 'address': addr }
-                    if show_balance:
-                        item['balance'] = str(Decimal(self.wallet.get_addr_balance(addr)[0])/100000000)
                     if show_label:
                         label = self.wallet.labels.get(addr,'')
                         if label:
@@ -313,15 +358,31 @@ class Commands:
                     item = addr
                 out.append( item )
         return out
-                         
-    def help(self, cmd2=None):
-        if cmd2 not in known_commands:
+
+    def help(self, cmd=None):
+        if cmd not in known_commands:
             print_msg("\nList of commands:", ', '.join(sorted(known_commands)))
         else:
-            _, _, 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)
+            cmd = known_commands[cmd]
+            print_msg(cmd.description)
+            if cmd.syntax: print_msg("Syntax: " + cmd.syntax)
+            if cmd.options: print_msg("options:\n" + cmd.options)
         return None
 
+    def getrawtransaction(self, tx_hash):
+        if self.wallet:
+            tx = self.wallet.transactions.get(tx_hash)
+            if tx:
+                return tx
+
+        raw = self.network.synchronous_get([ ('blockchain.transaction.get',[tx_hash]) ])[0]
+        if raw:
+            return Transaction.deserialize(raw)
+        else:
+            return "unknown transaction"
+
+    def encrypt(self, pubkey, message):
+        return bitcoin.encrypt_message(message, pubkey)
 
+    def decrypt(self, pubkey, message):
+        return self.wallet.decrypt_message(pubkey, message, self.password)