Llmq improvements (#978)

* Removed znode-payments * Znodesync-interface cleaned * darksend has been dealt with * Removed RPC broadcast * Znode GUI removed * Removed znodeman * Removed znode-sync * Removed activeznode * Removed ping and broadcast * Removed znode * Removed from GUI and net exchange * Removed -znodeprivkey * Removed znode-payments * Znodesync-interface cleaned * darksend has been dealt with * Removed RPC broadcast * Znode GUI removed * Removed znodeman * Removed znode-sync * Removed activeznode * Removed ping and broadcast * Removed znode * Removed from GUI and net exchange * Removed -znodeprivkey * Tests are adjusted * Removed sporks * Cleanup in comments, other minor clean-ups * Stopped using *.dat cache files * Minor improvements for LLMQs * Minor improvements for LLMQs * All LLMQ tests are done * Llmqs for chainlocks were enabled * Chainlocks start working * Wrapping up with chainlocks * Removed znode-payments * Znodesync-interface cleaned * darksend has been dealt with * Removed znodeman * Removed znode * Cleanup in comments, other minor clean-ups * Minor improvements for LLMQs * All LLMQ tests are done * Llmqs for chainlocks were enabled * Chainlocks start working * Wrapping up with chainlocks * Tests are fixed * Removed the original test * Evospork controls chainlocks * More tests for CL * Blockchain params change for testnet * Formatting fix * Minor improvments * Dealing with the code review comments * Version update * HF date is set * Minor cleanup * Dealing with code review Co-authored-by: Andrey <[email protected]> Co-authored-by: Peter Shugalev <[email protected]>
firoorg · Jan 21, 2021 · 5525561 · 5525561
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diff --git a/configure.ac b/configure.ac
@@ -2,7 +2,7 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 14)
-define(_CLIENT_VERSION_REVISION, 3)
+define(_CLIENT_VERSION_REVISION, 4)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2021)

diff --git a/qa/pull-tester/rpc-tests.py b/qa/pull-tester/rpc-tests.py
@@ -203,7 +203,14 @@
     'sigma_zapwalletmints_unconf_trans.py',
 
     # Evo Znodes
-    'dip3-deterministicmns.py'
+    'dip3-deterministicmns.py',
+    'llmq-signing.py',
+    'llmq-dkgerrors.py',
+    'llmq-simplepose.py',
+    'llmq-chainlocks.py',
+    'llmq-cl-evospork.py',
+#    'llmq-is-cl-conflicts.py',
+#    'llmq-is-retroactive.py'
 
     # Unstable tests
     #, 'dip4-coinbasemerkleroots.py'

diff --git a/qa/rpc-tests/llmq-chainlocks.py b/qa/rpc-tests/llmq-chainlocks.py
@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2018 The Dash Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+from test_framework.mininode import *
+from test_framework.test_framework import EvoZnodeTestFramework
+from test_framework.util import *
+from time import *
+
+'''
+llmq-chainlocks.py
+
+Checks LLMQs based ChainLocks
+
+'''
+
+class LLMQChainLocksTest(EvoZnodeTestFramework):
+    def __init__(self):
+        super().__init__(6, 5, extra_args=[['-debug=chainlocks']] * 6)
+
+    def run_test(self):
+
+        for i in range(4):
+            self.mine_quorum()
+
+        # mine single block, wait for chainlock
+        self.nodes[0].generate(1)
+
+        self.wait_for_chainlock_tip_all_nodes()
+
+        # mine many blocks, wait for chainlock
+        self.nodes[0].generate(20)
+        self.wait_for_chainlock_tip_all_nodes()
+
+        # assert that all blocks up until the tip are chainlocked
+        for h in range(1, self.nodes[0].getblockcount()):
+            block = self.nodes[0].getblock(self.nodes[0].getblockhash(h))
+            assert(block['chainlock'])
+
+        # Isolate node, mine on another, and reconnect
+        isolate_node(self.nodes[0])
+        node0_tip = self.nodes[0].getbestblockhash()
+        self.nodes[1].generate(5)
+        self.wait_for_chainlock_tip(self.nodes[1])
+        assert(self.nodes[0].getbestblockhash() == node0_tip)
+        reconnect_isolated_node(self.nodes[0], 1)
+        self.nodes[1].generate(1)
+        self.wait_for_chainlock(self.nodes[0], self.nodes[1].getbestblockhash())
+
+        # Isolate node, mine on both parts of the network, and reconnect
+        isolate_node(self.nodes[0])
+        self.nodes[0].generate(5)
+        self.nodes[1].generate(1)
+        good_tip = self.nodes[1].getbestblockhash()
+        self.wait_for_chainlock_tip(self.nodes[1])
+        assert(not self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"])
+        reconnect_isolated_node(self.nodes[0], 1)
+        self.nodes[1].generate(1)
+        self.wait_for_chainlock(self.nodes[0], self.nodes[1].getbestblockhash())
+        assert(self.nodes[0].getblock(self.nodes[0].getbestblockhash())["previousblockhash"] == good_tip)
+        assert(self.nodes[1].getblock(self.nodes[1].getbestblockhash())["previousblockhash"] == good_tip)
+
+        # Keep node connected and let it try to reorg the chain
+        good_tip = self.nodes[0].getbestblockhash()
+        # Restart it so that it forgets all the chainlocks from the past
+        stop_node(self.nodes[0], 0)
+        self.nodes[0] = start_node(0, self.options.tmpdir, self.extra_args[0])
+        connect_nodes(self.nodes[0], 1)
+        self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
+        # Now try to reorg the chain
+        self.nodes[0].generate(2)
+        assert(self.nodes[1].getbestblockhash() == good_tip)
+        self.nodes[0].generate(2)
+        sleep(6)
+        assert(self.nodes[1].getbestblockhash() == good_tip)
+
+        # Now let the node which is on the wrong chain reorg back to the locked chain
+        self.nodes[0].reconsiderblock(good_tip)
+        assert(self.nodes[0].getbestblockhash() != good_tip)
+        self.nodes[1].generate(1)
+        self.wait_for_chainlock(self.nodes[0], self.nodes[1].getbestblockhash())
+        assert(self.nodes[0].getbestblockhash() == self.nodes[1].getbestblockhash())
+
+        isolate_node(self.nodes[0])
+        self.nodes[0].generate(1)
+        reconnect_isolated_node(self.nodes[0], 1)
+        self.wait_for_chainlock(self.nodes[0], self.nodes[1].getbestblockhash())
+
+    def wait_for_chainlock_tip_all_nodes(self):
+        for node in self.nodes:
+            tip = node.getbestblockhash()
+            self.wait_for_chainlock(node, tip)
+
+    def wait_for_chainlock_tip(self, node):
+        tip = node.getbestblockhash()
+        self.wait_for_chainlock(node, tip)
+
+    def wait_for_chainlock(self, node, block_hash):
+        t = time()
+        while time() - t < 15:
+            try:
+                block = node.getblock(block_hash)
+                if block["confirmations"] > 0 and block["chainlock"]:
+                    return
+            except:
+                # block might not be on the node yet
+                pass
+            sleep(0.1)
+        raise AssertionError("wait_for_chainlock timed out")
+
+    def create_chained_txs(self, node, amount):
+        txid = node.sendtoaddress(node.getnewaddress(), amount)
+        tx = node.getrawtransaction(txid, 1)
+        inputs = []
+        valueIn = 0
+        for txout in tx["vout"]:
+            inputs.append({"txid": txid, "vout": txout["n"]})
+            valueIn += txout["value"]
+        outputs = {
+            node.getnewaddress(): round(float(valueIn) - 0.0001, 6)
+        }
+
+        rawtx = node.createrawtransaction(inputs, outputs)
+        rawtx = node.signrawtransaction(rawtx)
+        rawtxid = node.sendrawtransaction(rawtx["hex"])
+
+        return [txid, rawtxid]
+
+
+if __name__ == '__main__':
+    LLMQChainLocksTest().main()
diff --git a/qa/rpc-tests/llmq-cl-evospork.py b/qa/rpc-tests/llmq-cl-evospork.py
@@ -0,0 +1,118 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2018 The Dash Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+from test_framework.mininode import *
+from test_framework.test_framework import EvoZnodeTestFramework
+from test_framework.util import *
+from time import *
+
+'''
+llmq-chainlocks.py
+
+Checks LLMQs based ChainLocks
+
+00 Mine quorum and produce chainlocks
+01 Make sure the chainlocked tip does not change after invalidateblock
+02 Make sure a rogue miner cannot inject a longer chain
+10 Disable chainlocks
+11 Make sure 01-09 work as usual
+- 
+'''
+
+class LLMQChainLocksTest(EvoZnodeTestFramework):
+    def __init__(self):
+        super().__init__(6, 5, extra_args=[['-debug=chainlocks']] * 6)
+        self.sporkprivkey = "cW2YM2xaeCaebfpKguBahUAgEzLXgSserWRuD29kSyKHq1TTgwRQ"
+
+    def run_test(self):
+
+        for i in range(4):
+            self.mine_quorum()
+
+        # mine single block, wait for chainlock
+        self.nodes[0].generate(1)
+
+        self.wait_for_chainlock_tip_all_nodes()
+        self.payment_address = self.nodes[0].getaccountaddress("")
+        self.nodes[0].sendtoaddress(self.payment_address, 1)
+
+        # mine many blocks, wait for chainlock
+        while self.nodes[0].getblockcount() < 1000:
+            self.nodes[0].generate(20)
+        self.wait_for_chainlock_tip_all_nodes()
+
+        # assert that all blocks up until the tip are chainlocked
+        for h in range(1, self.nodes[0].getblockcount()):
+            block = self.nodes[0].getblock(self.nodes[0].getblockhash(h))
+            assert(block['chainlock'])
+
+        # cannot invalidate tip
+        current_tip = self.nodes[0].getbestblockhash()
+        self.nodes[0].invalidateblock(current_tip)
+        assert(current_tip == self.nodes[0].getbestblockhash())
+
+        ##### Disable chainlocks for 10 blocks
+
+        self.nodes[0].importprivkey(self.sporkprivkey)
+        self.disable_chainlocks(self.nodes[0].getblockcount() + 10)
+        self.nodes[0].generate(1)
+        assert(False == self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"])
+
+        # can invalidate block now
+        self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
+        assert(current_tip == self.nodes[0].getbestblockhash())
+
+        isolate_node(self.nodes[5])
+
+        ##### Enable chainlocks
+
+        self.nodes[0].generate(10)
+        self.nodes[0].spork('list')
+        self.wait_for_chainlock_tip_all_nodes()
+        sporks = self.nodes[0].spork("list")
+        assert(not sporks["blockchain"])
+        assert(not sporks["mempool"])
+        assert(True == self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"])
+
+        # generate a longer chain on the isolated node then reconnect it back and make sure it picks the chainlocked chain
+        self.nodes[5].generate(20)
+        reconnect_isolated_node(self.nodes[5], 1)
+        self.nodes[0].generate(1)
+        current_tip = self.nodes[0].getbestblockhash()
+        timeout = 10
+        while current_tip != self.nodes[5].getbestblockhash():
+            assert timeout > 0, "Timed out when waiting for a chainlocked chain"
+            sleep(1)
+            timeout = timeout - 1
+
+
+    def wait_for_chainlock_tip_all_nodes(self):
+        for node in self.nodes:
+            tip = node.getbestblockhash()
+            self.wait_for_chainlock(node, tip)
+
+    def wait_for_chainlock_tip(self, node):
+        tip = node.getbestblockhash()
+        self.wait_for_chainlock(node, tip)
+
+    def wait_for_chainlock(self, node, block_hash):
+        t = time()
+        while time() - t < 15:
+            try:
+                block = node.getblock(block_hash)
+                if block["confirmations"] > 0 and block["chainlock"]:
+                    return
+            except:
+                # block might not be on the node yet
+                pass
+            sleep(0.1)
+        raise AssertionError("wait_for_chainlock timed out")
+
+    def disable_chainlocks(self, till_height):
+        self.nodes[0].spork(self.sporkprivkey, self.payment_address, {"disable":{"chainlocks": till_height}})
+
+
+if __name__ == '__main__':
+    LLMQChainLocksTest().main()
diff --git a/qa/rpc-tests/llmq-dkgerrors.py b/qa/rpc-tests/llmq-dkgerrors.py
@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2018 The Dash Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+from test_framework.test_framework import EvoZnodeTestFramework
+from test_framework.util import *
+
+'''
+llmq-dkgerrors.py
+
+Simulate and check DKG errors
+
+'''
+
+class LLMQDKGErrors(EvoZnodeTestFramework):
+    def __init__(self):
+        super().__init__(6, 5)
+
+    def run_test(self):
+
+        # Mine one quorum without simulating any errors
+        qh = self.mine_quorum()
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, True)
+
+        # Lets omit the contribution
+        self.mninfo[0].node.quorum('dkgsimerror', 'contribution-omit', '1')
+        qh = self.mine_quorum(expected_contributions=4)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, False)
+
+        # Lets lie in the contribution but provide a correct justification
+        self.mninfo[0].node.quorum('dkgsimerror', 'contribution-omit', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'contribution-lie', '1')
+        qh = self.mine_quorum(expected_contributions=5, expected_complaints=4, expected_justifications=1)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, True)
+
+        # Lets lie in the contribution and then omit the justification
+        self.mninfo[0].node.quorum('dkgsimerror', 'justify-omit', '1')
+        qh = self.mine_quorum(expected_contributions=4, expected_complaints=4)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, False)
+
+        # Heal some damage (don't get PoSe banned)
+        self.heal_masternodes(33)
+
+        # Lets lie in the contribution and then also lie in the justification
+        self.mninfo[0].node.quorum('dkgsimerror', 'justify-omit', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'justify-lie', '1')
+        qh = self.mine_quorum(expected_contributions=4, expected_complaints=4, expected_justifications=1)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, False)
+
+        # Lets lie about another MN
+        self.mninfo[0].node.quorum('dkgsimerror', 'contribution-lie', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'justify-lie', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'complain-lie', '1')
+        qh = self.mine_quorum(expected_contributions=5, expected_complaints=1, expected_justifications=4)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, True)
+
+        # Lets omit 2 premature commitments
+        self.mninfo[0].node.quorum('dkgsimerror', 'complain-lie', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'commit-omit', '1')
+        self.mninfo[1].node.quorum('dkgsimerror', 'commit-omit', '1')
+        qh = self.mine_quorum(expected_contributions=5, expected_complaints=0, expected_justifications=0, expected_commitments=3)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, True)
+
+        # Lets lie in 2 premature commitments
+        self.mninfo[0].node.quorum('dkgsimerror', 'commit-omit', '0')
+        self.mninfo[1].node.quorum('dkgsimerror', 'commit-omit', '0')
+        self.mninfo[0].node.quorum('dkgsimerror', 'commit-lie', '1')
+        self.mninfo[1].node.quorum('dkgsimerror', 'commit-lie', '1')
+        qh = self.mine_quorum(expected_contributions=5, expected_complaints=0, expected_justifications=0, expected_commitments=3)
+        self.assert_member_valid(qh, self.mninfo[0].proTxHash, True)
+
+    def assert_member_valid(self, quorumHash, proTxHash, expectedValid):
+        q = self.nodes[0].quorum('info', 100, quorumHash, True)
+        for m in q['members']:
+            if m['proTxHash'] == proTxHash:
+                if expectedValid:
+                    assert(m['valid'])
+                else:
+                    assert(not m['valid'])
+            else:
+                assert(m['valid'])
+
+    def heal_masternodes(self, blockCount):
+        # We're not testing PoSe here, so lets heal the MNs :)
+        for i in range(blockCount):
+            set_mocktime(get_mocktime() + 1)
+            set_node_times(self.nodes, get_mocktime())
+            self.nodes[0].generate(1)
+        self.sync_all()
+
+
+if __name__ == '__main__':
+    LLMQDKGErrors().main()