functional_tests: add multisig and cold signing tests

4 files changed, 544 insertions, 2 deletions

diff --git a/tests/functional_tests/cold_signing.py b/tests/functional_tests/cold_signing.py
new file mode 100755
index 000000000..2acdcb137
--- /dev/null
+++ b/tests/functional_tests/cold_signing.py
@@ -0,0 +1,146 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2019 The Monero Project
+# 
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import time
+
+"""Test cold tx signing
+"""
+
+from test_framework.daemon import Daemon
+from test_framework.wallet import Wallet
+
+class ColdSigningTest():
+    def run_test(self):
+        self.create(0)
+        self.mine()
+        self.transfer()
+
+    def create(self, idx):
+        print 'Creating hot and cold wallet'
+
+        self.hot_wallet = Wallet(idx = 0)
+        # close the wallet if any, will throw if none is loaded
+        try: self.hot_wallet.close_wallet()
+        except: pass
+
+        self.cold_wallet = Wallet(idx = 1)
+        # close the wallet if any, will throw if none is loaded
+        try: self.cold_wallet.close_wallet()
+        except: pass
+
+        seed = 'velvet lymph giddy number token physics poetry unquoted nibs useful sabotage limits benches lifestyle eden nitrogen anvil fewest avoid batch vials washing fences goat unquoted'
+        res = self.cold_wallet.restore_deterministic_wallet(seed = seed)
+        self.cold_wallet.set_daemon('127.0.0.1:11111', ssl_support = "disabled")
+        spend_key = self.cold_wallet.query_key("spend_key").key
+        view_key = self.cold_wallet.query_key("view_key").key
+        res = self.hot_wallet.generate_from_keys(viewkey = view_key, address = '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm')
+
+        ok = False
+        try: res = self.hot_wallet.query_key("spend_key")
+        except: ok = True
+        assert ok
+        ok = False
+        try: self.hot_wallet.query_key("mnemonic")
+        except: ok = True
+        assert ok
+        assert self.cold_wallet.query_key("view_key").key == view_key
+        assert self.cold_wallet.get_address().address == self.hot_wallet.get_address().address
+
+    def mine(self):
+        print("Mining some blocks")
+        daemon = Daemon()
+        wallet = Wallet()
+
+        daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 80)
+        wallet.refresh()
+
+    def transfer(self):
+        daemon = Daemon()
+
+        print("Creating transaction in hot wallet")
+
+        dst = {'address': '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 'amount': 1000000000000}
+        payment_id = '1234500000012345abcde00000abcdeff1234500000012345abcde00000abcde'
+
+        res = self.hot_wallet.transfer([dst], ring_size = 11, payment_id = payment_id, get_tx_key = False)
+        assert len(res.tx_hash) == 32*2
+        txid = res.tx_hash
+        assert len(res.tx_key) == 0
+        assert res.amount > 0
+        amount = res.amount
+        assert res.fee > 0
+        fee = res.fee
+        assert len(res.tx_blob) == 0
+        assert len(res.tx_metadata) == 0
+        assert len(res.multisig_txset) == 0
+        assert len(res.unsigned_txset) > 0
+        unsigned_txset = res.unsigned_txset
+
+        print 'Signing transaction with cold wallet'
+        res = self.cold_wallet.sign_transfer(unsigned_txset)
+        assert len(res.signed_txset) > 0
+        signed_txset = res.signed_txset
+        assert len(res.tx_hash_list) == 1
+        txid = res.tx_hash_list[0]
+        assert len(txid) == 64
+
+        print 'Submitting transaction with hot wallet'
+        res = self.hot_wallet.submit_transfer(signed_txset)
+        assert len(res.tx_hash_list) > 0
+        assert res.tx_hash_list[0] == txid
+
+        res = self.hot_wallet.get_transfers()
+        assert len([x for x in (res['pending'] if 'pending' in res else []) if x.txid == txid]) == 1
+        assert len([x for x in (res['out'] if 'out' in res else []) if x.txid == txid]) == 0
+
+        daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1)
+        self.hot_wallet.refresh()
+
+        res = self.hot_wallet.get_transfers()
+        assert len([x for x in (res['pending'] if 'pending' in res else []) if x.txid == txid]) == 0
+        assert len([x for x in (res['out'] if 'out' in res else []) if x.txid == txid]) == 1
+
+        res = self.hot_wallet.get_tx_key(txid)
+        assert len(res.tx_key) == 0 or res.tx_key == '01' + '0' * 62 # identity is used as placeholder
+        res = self.cold_wallet.get_tx_key(txid)
+        assert len(res.tx_key) == 64
+
+
+class Guard:
+    def __enter__(self):
+        for i in range(2):
+            Wallet(idx = i).auto_refresh(False)
+    def __exit__(self, exc_type, exc_value, traceback):
+        for i in range(2):
+            Wallet(idx = i).auto_refresh(True)
+
+if __name__ == '__main__':
+    with Guard() as guard:
+        cs = ColdSigningTest().run_test()
diff --git a/tests/functional_tests/functional_tests_rpc.py b/tests/functional_tests/functional_tests_rpc.py
index db48844f3..abec0eef0 100755
--- a/tests/functional_tests/functional_tests_rpc.py
+++ b/tests/functional_tests/functional_tests_rpc.py
@@ -9,7 +9,7 @@ import socket
 import string
 
 USAGE = 'usage: functional_tests_rpc.py <python> <srcdir> <builddir> [<tests-to-run> | all]'
-DEFAULT_TESTS = ['daemon_info', 'blockchain', 'wallet_address', 'integrated_address', 'mining', 'transfer', 'txpool']
+DEFAULT_TESTS = ['daemon_info', 'blockchain', 'wallet_address', 'integrated_address', 'mining', 'transfer', 'txpool', 'multisig', 'cold_signing']
 try:
   python = sys.argv[1]
   srcdir = sys.argv[2]
@@ -34,7 +34,7 @@ except:
   tests = DEFAULT_TESTS
 
 N_MONERODS = 1
-N_WALLETS = 3
+N_WALLETS = 4
 
 monerod_base = [builddir + "/bin/monerod", "--regtest", "--fixed-difficulty", "1", "--offline", "--no-igd", "--p2p-bind-port", "monerod_p2p_port", "--rpc-bind-port", "monerod_rpc_port", "--zmq-rpc-bind-port", "monerod_zmq_port", "--non-interactive", "--disable-dns-checkpoints", "--check-updates", "disabled", "--rpc-ssl", "disabled", "--log-level", "1"]
 wallet_base = [builddir + "/bin/monero-wallet-rpc", "--wallet-dir", builddir + "/functional-tests-directory", "--rpc-bind-port", "wallet_port", "--disable-rpc-login", "--rpc-ssl", "disabled", "--daemon-ssl", "disabled", "--daemon-port", "18180", "--log-level", "1"]
diff --git a/tests/functional_tests/multisig.py b/tests/functional_tests/multisig.py
new file mode 100755
index 000000000..7cdddd009
--- /dev/null
+++ b/tests/functional_tests/multisig.py
@@ -0,0 +1,227 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2019 The Monero Project
+# 
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import time
+
+"""Test multisig transfers
+"""
+
+from test_framework.daemon import Daemon
+from test_framework.wallet import Wallet
+
+class MultisigTest():
+    def run_test(self):
+        self.mine('493DsrfJPqiN3Suv9RcRDoZEbQtKZX1sNcGPA3GhkKYEEmivk8kjQrTdRdVc4ZbmzWJuE157z9NNUKmF2VDfdYDR3CziGMk', 5)
+        self.mine('42jSRGmmKN96V2j3B8X2DbiNThBXW1tSi1rW1uwkqbyURenq3eC3yosNm8HEMdHuWwKMFGzMUB3RCTvcTaW9kHpdRPP7p5y', 5)
+        self.mine('47fF32AdrmXG84FcPY697uZdd42pMMGiH5UpiTRTt3YX2pZC7t7wkzEMStEicxbQGRfrYvAAYxH6Fe8rnD56EaNwUgxRd53', 5)
+        self.mine('44SKxxLQw929wRF6BA9paQ1EWFshNnKhXM3qz6Mo3JGDE2YG3xyzVutMStEicxbQGRfrYvAAYxH6Fe8rnD56EaNwUiqhcwR', 5)
+        self.mine('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 60)
+
+        self.create_multisig_wallets(2, 2, '493DsrfJPqiN3Suv9RcRDoZEbQtKZX1sNcGPA3GhkKYEEmivk8kjQrTdRdVc4ZbmzWJuE157z9NNUKmF2VDfdYDR3CziGMk')
+        self.import_multisig_info([1, 0], 5)
+        txid = self.transfer([1, 0])
+        self.import_multisig_info([0, 1], 6)
+        self.check_transaction(txid)
+
+        self.create_multisig_wallets(2, 3, '42jSRGmmKN96V2j3B8X2DbiNThBXW1tSi1rW1uwkqbyURenq3eC3yosNm8HEMdHuWwKMFGzMUB3RCTvcTaW9kHpdRPP7p5y')
+        self.import_multisig_info([0, 2], 5)
+        txid = self.transfer([0, 2])
+        self.import_multisig_info([0, 1, 2], 6)
+        self.check_transaction(txid)
+
+        self.create_multisig_wallets(3, 4, '47fF32AdrmXG84FcPY697uZdd42pMMGiH5UpiTRTt3YX2pZC7t7wkzEMStEicxbQGRfrYvAAYxH6Fe8rnD56EaNwUgxRd53')
+        self.import_multisig_info([0, 2, 3], 5)
+        txid = self.transfer([0, 2, 3])
+        self.import_multisig_info([0, 1, 2, 3], 6)
+        self.check_transaction(txid)
+
+        self.create_multisig_wallets(2, 4, '44SKxxLQw929wRF6BA9paQ1EWFshNnKhXM3qz6Mo3JGDE2YG3xyzVutMStEicxbQGRfrYvAAYxH6Fe8rnD56EaNwUiqhcwR')
+        self.import_multisig_info([1, 2], 5)
+        txid = self.transfer([1, 2])
+        self.import_multisig_info([0, 1, 2, 3], 6)
+        self.check_transaction(txid)
+
+    def mine(self, address, blocks):
+        print("Mining some blocks")
+        daemon = Daemon()
+        daemon.generateblocks(address, blocks)
+
+    def create_multisig_wallets(self, M_threshold, N_total, expected_address):
+      print('Creating ' + str(M_threshold) + '/' + str(N_total) + ' multisig wallet')
+      seeds = [
+        'velvet lymph giddy number token physics poetry unquoted nibs useful sabotage limits benches lifestyle eden nitrogen anvil fewest avoid batch vials washing fences goat unquoted',
+        'peeled mixture ionic radar utopia puddle buying illness nuns gadget river spout cavernous bounced paradise drunk looking cottage jump tequila melting went winter adjust spout',
+        'dilute gutter certain antics pamphlet macro enjoy left slid guarded bogeys upload nineteen bomb jubilee enhanced irritate turnip eggs swung jukebox loudly reduce sedan slid',
+        'waking gown buffet negative reorder speedy baffles hotel pliers dewdrop actress diplomat lymph emit ajar mailed kennel cynical jaunt justice weavers height teardrop toyed lymph',
+      ]
+      assert M_threshold <= N_total
+      assert N_total <= len(seeds)
+      self.wallet = [None] * N_total
+      info = []
+      for i in range(N_total):
+        self.wallet[i] = Wallet(idx = i)
+        try: self.wallet[i].close_wallet()
+        except: pass
+        res = self.wallet[i].restore_deterministic_wallet(seed = seeds[i])
+        res = self.wallet[i].prepare_multisig()
+        assert len(res.multisig_info) > 0
+        info.append(res.multisig_info)
+
+      for i in range(N_total):
+        res = self.wallet[i].is_multisig()
+        assert res.multisig == False
+
+      addresses = []
+      next_stage = []
+      for i in range(N_total):
+        res = self.wallet[i].make_multisig(info, M_threshold)
+        addresses.append(res.address)
+        next_stage.append(res.multisig_info)
+
+      for i in range(N_total):
+        res = self.wallet[i].is_multisig()
+        assert res.multisig == True
+        assert res.ready == (M_threshold == N_total)
+        assert res.threshold == M_threshold
+        assert res.total == N_total
+
+      while True:
+        n_empty = 0
+        for i in range(len(next_stage)):
+          if len(next_stage[i]) == 0:
+            n_empty += 1
+        assert n_empty == 0 or n_empty == len(next_stage)
+        if n_empty == len(next_stage):
+          break
+        info = next_stage
+        next_stage = []
+        addresses = []
+        for i in range(N_total):
+          res = self.wallet[i].exchange_multisig_keys(info)
+          next_stage.append(res.multisig_info)
+          addresses.append(res.address)
+      for i in range(N_total):
+        assert addresses[i] == expected_address
+
+      for i in range(N_total):
+        res = self.wallet[i].is_multisig()
+        assert res.multisig == True
+        assert res.ready == True
+        assert res.threshold == M_threshold
+        assert res.total == N_total
+
+
+    def import_multisig_info(self, signers, expected_outputs):
+        assert len(signers) >= 2
+
+        print('Importing multisig info from ' + str(signers))
+
+        info = []
+        for i in signers:
+          self.wallet[i].refresh()
+          res = self.wallet[i].export_multisig_info()
+          assert len(res.info) > 0
+          info.append(res.info)
+        for i in signers:
+          res = self.wallet[i].import_multisig_info(info)
+          assert res.n_outputs == expected_outputs
+
+    def transfer(self, signers):
+        assert len(signers) >= 2
+
+        daemon = Daemon()
+
+        print("Creating multisig transaction from wallet " + str(signers[0]))
+
+        dst = {'address': '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 'amount': 1000000000000}
+        res = self.wallet[signers[0]].transfer([dst])
+        assert len(res.tx_hash) == 0 # not known yet
+        txid = res.tx_hash
+        assert len(res.tx_key) == 32*2
+        assert res.amount > 0
+        amount = res.amount
+        assert res.fee > 0
+        fee = res.fee
+        assert len(res.tx_blob) == 0
+        assert len(res.tx_metadata) == 0
+        assert len(res.multisig_txset) > 0
+        assert len(res.unsigned_txset) == 0
+        multisig_txset = res.multisig_txset
+
+        daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1)
+        for i in range(len(self.wallet)):
+          self.wallet[i].refresh()
+
+        for i in range(len(signers[1:])):
+          print('Signing multisig transaction with wallet ' + str(signers[i+1]))
+          res = self.wallet[signers[i+1]].sign_multisig(multisig_txset)
+          multisig_txset = res.tx_data_hex
+          assert len(res.tx_hash_list if 'tx_hash_list' in res else []) == (i == len(signers[1:]) - 1)
+
+          if i < len(signers[1:]) - 1:
+            print('Submitting multisig transaction prematurely with wallet ' + str(signers[-1]))
+            ok = False
+            try: self.wallet[signers[-1]].submit_multisig(multisig_txset)
+            except: ok = True
+            assert ok
+
+        print('Submitting multisig transaction with wallet ' + str(signers[-1]))
+        res = self.wallet[signers[-1]].submit_multisig(multisig_txset)
+        assert len(res.tx_hash_list) == 1
+        txid = res.tx_hash_list[0]
+
+        for i in range(len(self.wallet)):
+          self.wallet[i].refresh()
+          res = self.wallet[i].get_transfers()
+          assert len([x for x in (res['pending'] if 'pending' in res else []) if x.txid == txid]) == (1 if i == signers[-1] else 0)
+          assert len([x for x in (res['out'] if 'out' in res else []) if x.txid == txid]) == 0
+
+        daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1)
+        return txid
+
+    def check_transaction(self, txid):
+        for i in range(len(self.wallet)):
+          self.wallet[i].refresh()
+          res = self.wallet[i].get_transfers()
+          assert len([x for x in (res['pending'] if 'pending' in res else []) if x.txid == txid]) == 0
+          assert len([x for x in (res['out'] if 'out' in res else []) if x.txid == txid]) == 1
+
+
+class Guard:
+    def __enter__(self):
+        for i in range(4):
+            Wallet(idx = i).auto_refresh(False)
+    def __exit__(self, exc_type, exc_value, traceback):
+        for i in range(4):
+            Wallet(idx = i).auto_refresh(True)
+
+if __name__ == '__main__':
+    with Guard() as guard:
+        MultisigTest().run_test()
diff --git a/tests/functional_tests/test_framework/wallet.py b/tests/functional_tests/test_framework/wallet.py
index 4f2997cc4..270c95f82 100644
--- a/tests/functional_tests/test_framework/wallet.py
+++ b/tests/functional_tests/test_framework/wallet.py
@@ -237,6 +237,22 @@ class Wallet(object):
         }
         return self.rpc.send_json_rpc_request(restore_deterministic_wallet)
 
+    def generate_from_keys(self, restore_height = 0, filename = "", password = "", address = "", spendkey = "", viewkey = ""):
+        generate_from_keys = {
+            'method': 'generate_from_keys',
+            'params' : {
+                'restore_height': restore_height,
+                'filename': filename,
+                'address': address,
+                'spendkey': spendkey,
+                'viewkey': viewkey,
+                'password': password,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(generate_from_keys)
+
     def close_wallet(self):
         close_wallet = {
             'method': 'close_wallet',
@@ -313,3 +329,156 @@ class Wallet(object):
             'id': '0'
         }
         return self.rpc.send_json_rpc_request(split_integrated_address)
+
+    def auto_refresh(self, enable, period = 0):
+        auto_refresh = {
+            'method': 'auto_refresh',
+            'params' : {
+                'enable': enable,
+                'period': period
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(auto_refresh)
+
+    def set_daemon(self, address, trusted = False, ssl_support = "autodetect", ssl_private_key_path = "", ssl_certificate_path = "", ssl_allowed_certificates = [], ssl_allowed_fingerprints = [], ssl_allow_any_cert = False):
+        set_daemon = {
+            'method': 'set_daemon',
+            'params' : {
+                'address': address,
+                'trusted': trusted,
+                'ssl_support': ssl_support,
+                'ssl_private_key_path': ssl_private_key_path,
+                'ssl_certificate_path': ssl_certificate_path,
+                'ssl_allowed_certificates': ssl_allowed_certificates,
+                'ssl_allowed_fingerprints': ssl_allowed_fingerprints,
+                'ssl_allow_any_cert': ssl_allow_any_cert,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(set_daemon)
+
+    def is_multisig(self):
+        is_multisig = {
+            'method': 'is_multisig',
+            'params' : {
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(is_multisig)
+
+    def prepare_multisig(self):
+        prepare_multisig = {
+            'method': 'prepare_multisig',
+            'params' : {
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(prepare_multisig)
+
+    def make_multisig(self, multisig_info, threshold, password = ''):
+        make_multisig = {
+            'method': 'make_multisig',
+            'params' : {
+                'multisig_info': multisig_info,
+                'threshold': threshold,
+                'password': password,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(make_multisig)
+
+    def exchange_multisig_keys(self, multisig_info, password = ''):
+        exchange_multisig_keys = {
+            'method': 'exchange_multisig_keys',
+            'params' : {
+                'multisig_info': multisig_info,
+                'password': password,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(exchange_multisig_keys)
+
+    def export_multisig_info(self):
+        export_multisig_info = {
+            'method': 'export_multisig_info',
+            'params' : {
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(export_multisig_info)
+
+    def import_multisig_info(self, info = []):
+        import_multisig_info = {
+            'method': 'import_multisig_info',
+            'params' : {
+                'info': info
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(import_multisig_info)
+
+    def sign_multisig(self, tx_data_hex):
+        sign_multisig = {
+            'method': 'sign_multisig',
+            'params' : {
+                'tx_data_hex': tx_data_hex
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(sign_multisig)
+
+    def submit_multisig(self, tx_data_hex):
+        submit_multisig = {
+            'method': 'submit_multisig',
+            'params' : {
+                'tx_data_hex': tx_data_hex
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(submit_multisig)
+
+    def sign_transfer(self, unsigned_txset, export_raw = False, get_tx_keys = False):
+        sign_transfer = {
+            'method': 'sign_transfer',
+            'params' : {
+                'unsigned_txset': unsigned_txset,
+                'export_raw': export_raw,
+                'get_tx_keys': get_tx_keys,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(sign_transfer)
+
+    def submit_transfer(self, tx_data_hex):
+        submit_transfer = {
+            'method': 'submit_transfer',
+            'params' : {
+                'tx_data_hex': tx_data_hex,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(submit_transfer)
+
+    def get_tx_key(self, txid):
+        get_tx_key = {
+            'method': 'get_tx_key',
+            'params' : {
+                'txid': txid,
+            },
+            'jsonrpc': '2.0', 
+            'id': '0'
+        }
+        return self.rpc.send_json_rpc_request(get_tx_key)