functional_tests: add describe_transfer tests

tests/functional_tests/cold_signing.py

@@ -104,6 +104,22 @@ class ColdSigningTest():
         unsigned_txset = res.unsigned_txset
 
         print 'Signing transaction with cold wallet'
+        res = self.cold_wallet.describe_transfer(unsigned_txset = unsigned_txset)
+        assert len(res.desc) == 1
+        desc = res.desc[0]
+        assert desc.amount_in >= amount + fee
+        assert desc.amount_out == desc.amount_in - fee
+        assert desc.ring_size == 11
+        assert desc.unlock_time == 0
+        assert desc.payment_id == payment_id
+        assert desc.change_amount == desc.amount_in - 1000000000000 - fee
+        assert desc.change_address == '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
+        assert desc.fee == fee
+        assert len(desc.recipients) == 1
+        rec = desc.recipients[0]
+        assert rec.address == '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
+        assert rec.amount == 1000000000000
+
         res = self.cold_wallet.sign_transfer(unsigned_txset)
         assert len(res.signed_txset) > 0
         signed_txset = res.signed_txset

tests/functional_tests/multisig.py

@@ -129,6 +129,7 @@ class MultisigTest():
           addresses.append(res.address)
       for i in range(N_total):
         assert addresses[i] == expected_address
+      self.wallet_address = expected_address
 
       for i in range(N_total):
         res = self.wallet[i].is_multisig()
@@ -181,6 +182,22 @@ class MultisigTest():
 
         for i in range(len(signers[1:])):
           print('Signing multisig transaction with wallet ' + str(signers[i+1]))
+          res = self.wallet[signers[i+1]].describe_transfer(multisig_txset = multisig_txset)
+          assert len(res.desc) == 1
+          desc = res.desc[0]
+          assert desc.amount_in >= amount + fee
+          assert desc.amount_out == desc.amount_in - fee
+          assert desc.ring_size == 11
+          assert desc.unlock_time == 0
+          assert desc.payment_id == '0000000000000000'
+          assert desc.change_amount == desc.amount_in - 1000000000000 - fee
+          assert desc.change_address == self.wallet_address
+          assert desc.fee == fee
+          assert len(desc.recipients) == 1
+          rec = desc.recipients[0]
+          assert rec.address == '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
+          assert rec.amount == 1000000000000
+
           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)

utils/python-rpc/framework/wallet.py

@@ -101,11 +101,12 @@ class Wallet(object):
         }
         return self.rpc.send_json_rpc_request(get_bulk_payments)
 
-    def describe_transfer(self, unsigned_txset):
+    def describe_transfer(self, unsigned_txset = '', multisig_txset = ''):
         describe_transfer = {
             'method': 'describe_transfer',
             'params': {
                 'unsigned_txset': unsigned_txset,
+                'multisig_txset': multisig_txset,
             },
             'jsonrpc': '2.0', 
             'id': '0'