[tests] Rename wallet_* functional tests.

1 files changed, 143 insertions, 0 deletions

diff --git a/test/functional/wallet_txn_doublespend.py b/test/functional/wallet_txn_doublespend.py
new file mode 100755
index 0000000000..01129f3817
--- /dev/null
+++ b/test/functional/wallet_txn_doublespend.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+# Copyright (c) 2014-2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test the wallet accounts properly when there is a double-spend conflict."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class TxnMallTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 4
+
+    def add_options(self, parser):
+        parser.add_option("--mineblock", dest="mine_block", default=False, action="store_true",
+                          help="Test double-spend of 1-confirmed transaction")
+
+    def setup_network(self):
+        # Start with split network:
+        super().setup_network()
+        disconnect_nodes(self.nodes[1], 2)
+        disconnect_nodes(self.nodes[2], 1)
+
+    def run_test(self):
+        # All nodes should start with 1,250 BTC:
+        starting_balance = 1250
+        for i in range(4):
+            assert_equal(self.nodes[i].getbalance(), starting_balance)
+            self.nodes[i].getnewaddress("")  # bug workaround, coins generated assigned to first getnewaddress!
+        
+        # Assign coins to foo and bar accounts:
+        node0_address_foo = self.nodes[0].getnewaddress("foo")
+        fund_foo_txid = self.nodes[0].sendfrom("", node0_address_foo, 1219)
+        fund_foo_tx = self.nodes[0].gettransaction(fund_foo_txid)
+
+        node0_address_bar = self.nodes[0].getnewaddress("bar")
+        fund_bar_txid = self.nodes[0].sendfrom("", node0_address_bar, 29)
+        fund_bar_tx = self.nodes[0].gettransaction(fund_bar_txid)
+
+        assert_equal(self.nodes[0].getbalance(""),
+                     starting_balance - 1219 - 29 + fund_foo_tx["fee"] + fund_bar_tx["fee"])
+
+        # Coins are sent to node1_address
+        node1_address = self.nodes[1].getnewaddress("from0")
+
+        # First: use raw transaction API to send 1240 BTC to node1_address,
+        # but don't broadcast:
+        doublespend_fee = Decimal('-.02')
+        rawtx_input_0 = {}
+        rawtx_input_0["txid"] = fund_foo_txid
+        rawtx_input_0["vout"] = find_output(self.nodes[0], fund_foo_txid, 1219)
+        rawtx_input_1 = {}
+        rawtx_input_1["txid"] = fund_bar_txid
+        rawtx_input_1["vout"] = find_output(self.nodes[0], fund_bar_txid, 29)
+        inputs = [rawtx_input_0, rawtx_input_1]
+        change_address = self.nodes[0].getnewaddress()
+        outputs = {}
+        outputs[node1_address] = 1240
+        outputs[change_address] = 1248 - 1240 + doublespend_fee
+        rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
+        doublespend = self.nodes[0].signrawtransaction(rawtx)
+        assert_equal(doublespend["complete"], True)
+
+        # Create two spends using 1 50 BTC coin each
+        txid1 = self.nodes[0].sendfrom("foo", node1_address, 40, 0)
+        txid2 = self.nodes[0].sendfrom("bar", node1_address, 20, 0)
+        
+        # Have node0 mine a block:
+        if (self.options.mine_block):
+            self.nodes[0].generate(1)
+            sync_blocks(self.nodes[0:2])
+
+        tx1 = self.nodes[0].gettransaction(txid1)
+        tx2 = self.nodes[0].gettransaction(txid2)
+
+        # Node0's balance should be starting balance, plus 50BTC for another
+        # matured block, minus 40, minus 20, and minus transaction fees:
+        expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"]
+        if self.options.mine_block: expected += 50
+        expected += tx1["amount"] + tx1["fee"]
+        expected += tx2["amount"] + tx2["fee"]
+        assert_equal(self.nodes[0].getbalance(), expected)
+
+        # foo and bar accounts should be debited:
+        assert_equal(self.nodes[0].getbalance("foo", 0), 1219+tx1["amount"]+tx1["fee"])
+        assert_equal(self.nodes[0].getbalance("bar", 0), 29+tx2["amount"]+tx2["fee"])
+
+        if self.options.mine_block:
+            assert_equal(tx1["confirmations"], 1)
+            assert_equal(tx2["confirmations"], 1)
+            # Node1's "from0" balance should be both transaction amounts:
+            assert_equal(self.nodes[1].getbalance("from0"), -(tx1["amount"]+tx2["amount"]))
+        else:
+            assert_equal(tx1["confirmations"], 0)
+            assert_equal(tx2["confirmations"], 0)
+        
+        # Now give doublespend and its parents to miner:
+        self.nodes[2].sendrawtransaction(fund_foo_tx["hex"])
+        self.nodes[2].sendrawtransaction(fund_bar_tx["hex"])
+        doublespend_txid = self.nodes[2].sendrawtransaction(doublespend["hex"])
+        # ... mine a block...
+        self.nodes[2].generate(1)
+
+        # Reconnect the split network, and sync chain:
+        connect_nodes(self.nodes[1], 2)
+        self.nodes[2].generate(1)  # Mine another block to make sure we sync
+        sync_blocks(self.nodes)
+        assert_equal(self.nodes[0].gettransaction(doublespend_txid)["confirmations"], 2)
+
+        # Re-fetch transaction info:
+        tx1 = self.nodes[0].gettransaction(txid1)
+        tx2 = self.nodes[0].gettransaction(txid2)
+
+        # Both transactions should be conflicted
+        assert_equal(tx1["confirmations"], -2)
+        assert_equal(tx2["confirmations"], -2)
+
+        # Node0's total balance should be starting balance, plus 100BTC for 
+        # two more matured blocks, minus 1240 for the double-spend, plus fees (which are
+        # negative):
+        expected = starting_balance + 100 - 1240 + fund_foo_tx["fee"] + fund_bar_tx["fee"] + doublespend_fee
+        assert_equal(self.nodes[0].getbalance(), expected)
+        assert_equal(self.nodes[0].getbalance("*"), expected)
+
+        # Final "" balance is starting_balance - amount moved to accounts - doublespend + subsidies +
+        # fees (which are negative)
+        assert_equal(self.nodes[0].getbalance("foo"), 1219)
+        assert_equal(self.nodes[0].getbalance("bar"), 29)
+        assert_equal(self.nodes[0].getbalance(""), starting_balance
+                                                              -1219
+                                                              -  29
+                                                              -1240
+                                                              + 100
+                                                              + fund_foo_tx["fee"]
+                                                              + fund_bar_tx["fee"]
+                                                              + doublespend_fee)
+
+        # Node1's "from0" account balance should be just the doublespend:
+        assert_equal(self.nodes[1].getbalance("from0"), 1240)
+
+if __name__ == '__main__':
+    TxnMallTest().main()
+