functional_tests: add p2p functional tests

Tests tx/block propagation and reorgs

1 files changed, 168 insertions, 0 deletions

diff --git a/tests/functional_tests/p2p.py b/tests/functional_tests/p2p.py
new file mode 100755
index 000000000..f36e9c0b1
--- /dev/null
+++ b/tests/functional_tests/p2p.py
@@ -0,0 +1,168 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2018 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.
+
+from __future__ import print_function
+import time
+
+"""Test daemon P2P
+"""
+
+from framework.daemon import Daemon
+from framework.wallet import Wallet
+
+class P2PTest():
+    def run_test(self):
+        self.reset()
+        self.create()
+        self.mine(80)
+        self.test_p2p_reorg()
+        self.test_p2p_tx_propagation()
+
+    def reset(self):
+        print('Resetting blockchain')
+        daemon = Daemon()
+        res = daemon.get_height()
+        daemon.pop_blocks(res.height - 1)
+        daemon.flush_txpool()
+
+    def create(self):
+        print('Creating wallet')
+        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'
+        self.wallet = Wallet(idx = 4)
+        # close the wallet if any, will throw if none is loaded
+        try: self.wallet.close_wallet()
+        except: pass
+        res = self.wallet.restore_deterministic_wallet(seed = seed)
+
+    def mine(self, blocks):
+        assert blocks >= 1
+
+        print("Generating", blocks, 'blocks')
+
+        daemon = Daemon(idx = 2)
+
+        # generate blocks
+        res_generateblocks = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', blocks)
+
+    def test_p2p_reorg(self):
+        print('Testing P2P reorg')
+        daemon2 = Daemon(idx = 2)
+        daemon3 = Daemon(idx = 3)
+
+        # give sync some time
+        time.sleep(1)
+
+        res = daemon2.get_info()
+        height = res.height
+        assert height > 0
+        top_block_hash = res.top_block_hash
+        assert len(top_block_hash) == 64
+
+        res = daemon3.get_info()
+        assert res.height == height
+        assert res.top_block_hash == top_block_hash
+
+        # disconnect daemons and mine separately on both
+        daemon2.out_peers(0)
+        daemon3.out_peers(0)
+
+        res = daemon2.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 2)
+        res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3)
+
+        res = daemon2.get_info()
+        assert res.height == height + 2
+        daemon2_top_block_hash = res.top_block_hash
+        assert daemon2_top_block_hash != top_block_hash
+        res = daemon3.get_info()
+        assert res.height == height + 3
+        daemon3_top_block_hash = res.top_block_hash
+        assert daemon3_top_block_hash != top_block_hash
+        assert daemon3_top_block_hash != daemon2_top_block_hash
+
+        # reconnect, daemon2 will now switch to daemon3's chain
+        daemon2.out_peers(8)
+        daemon3.out_peers(8)
+        time.sleep(10)
+        res = daemon2.get_info()
+        assert res.height == height + 3
+        assert res.top_block_hash == daemon3_top_block_hash
+
+        # disconect, mine on daemon2 again more than daemon3
+        daemon2.out_peers(0)
+        daemon3.out_peers(0)
+
+        res = daemon2.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3)
+        res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 2)
+
+        res = daemon2.get_info()
+        assert res.height == height + 6
+        daemon2_top_block_hash = res.top_block_hash
+        assert daemon2_top_block_hash != top_block_hash
+        res = daemon3.get_info()
+        assert res.height == height + 5
+        daemon3_top_block_hash = res.top_block_hash
+        assert daemon3_top_block_hash != top_block_hash
+        assert daemon3_top_block_hash != daemon2_top_block_hash
+
+        # reconnect, daemon3 will now switch to daemon2's chain
+        daemon2.out_peers(8)
+        daemon3.out_peers(8)
+        time.sleep(5)
+        res = daemon3.get_info()
+        assert res.height == height + 6
+        assert res.top_block_hash == daemon2_top_block_hash
+
+    def test_p2p_tx_propagation(self):
+        print('Testing P2P tx propagation')
+        daemon2 = Daemon(idx = 2)
+        daemon3 = Daemon(idx = 3)
+
+        for daemon in [daemon2, daemon3]:
+            res = daemon.get_transaction_pool_hashes()
+            assert not 'tx_hashes' in res or len(res.tx_hashes) == 0
+
+        self.wallet.refresh()
+        res = self.wallet.get_balance()
+
+        dst = {'address': '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 'amount': 1000000000000}
+        res = self.wallet.transfer([dst])
+        assert len(res.tx_hash) == 32*2
+        txid = res.tx_hash
+
+        time.sleep(5)
+
+        for daemon in [daemon2, daemon3]:
+            res = daemon.get_transaction_pool_hashes()
+            assert len(res.tx_hashes) == 1
+            assert res.tx_hashes[0] == txid
+
+
+if __name__ == '__main__':
+    P2PTest().run_test()