r1

test/functional/zerocoin_valid_public_spend.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+# Copyright (c) 2019 The PIVX developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+'''
+Covers the 'Wrapped Serials Attack' scenario
+'''
+
+import random
+from time import sleep
+
+from test_framework.authproxy import JSONRPCException
+from test_framework.util import assert_equal, assert_greater_than
+
+from fake_stake.base_test import Agrarian_FakeStakeTest
+
+class zAGRValidCoinSpendTest(Agrarian_FakeStakeTest):
+
+    def run_test(self):
+        self.description = "Covers the 'valid publicCoinSpend spend' scenario."
+        self.init_test()
+
+        INITAL_MINED_BLOCKS = 301   # Blocks mined before minting
+        MORE_MINED_BLOCKS = 52      # Blocks mined after minting (before spending)
+        DENOM_TO_USE = 1         # zc denomination used for double spending attack
+
+        # 1) Start mining blocks
+        self.log.info("Mining %d first blocks..." % INITAL_MINED_BLOCKS)
+        self.node.generate(INITAL_MINED_BLOCKS)
+        sleep(2)
+
+        # 2) Mint zerocoins
+        self.log.info("Minting %d-denom zAGRs..." % DENOM_TO_USE)
+        self.node.mintzerocoin(DENOM_TO_USE)
+        self.node.generate(1)
+        sleep(2)
+        self.node.mintzerocoin(DENOM_TO_USE)
+        sleep(2)
+
+        # 3) Mine more blocks and collect the mint
+        self.log.info("Mining %d more blocks..." % MORE_MINED_BLOCKS)
+        self.node.generate(MORE_MINED_BLOCKS)
+        sleep(2)
+        list = self.node.listmintedzerocoins(True, True)
+        mint = list[0]
+
+        # 4) Get the raw zerocoin data
+        exported_zerocoins = self.node.exportzerocoins(False)
+        zc = [x for x in exported_zerocoins if mint["serial hash"] == x["id"]]
+        if len(zc) == 0:
+            raise AssertionError("mint not found")
+
+        # 5) Spend the minted coin (mine six more blocks)
+        self.log.info("Spending the minted coin with serial %s and mining six more blocks..." % zc[0]["s"])
+        txid = self.node.spendzerocoinmints([mint["serial hash"]])['txid']
+        self.log.info("Spent on tx %s" % txid)
+        self.node.generate(6)
+        sleep(2)
+
+        rawTx = self.node.getrawtransaction(txid, 1)
+        if rawTx is None:
+            self.log.warning("rawTx is: %s" % rawTx)
+            raise AssertionError("TEST FAILED")
+        else:
+            assert (rawTx["confirmations"] == 6)
+
+        self.log.info("%s VALID PUBLIC COIN SPEND PASSED" % self.__class__.__name__)
+
+        self.log.info("%s Trying to spend the serial twice now" % self.__class__.__name__)
+
+        serial = zc[0]["s"]
+        randomness = zc[0]["r"]
+        privkey = zc[0]["k"]
+
+        tx = None
+        try:
+            tx = self.node.spendrawzerocoin(serial, randomness, DENOM_TO_USE, privkey)
+        except JSONRPCException as e:
+            self.log.info("GOOD: Transaction did not verify")
+
+        if tx is not None:
+            self.log.warning("Tx is: %s" % tx)
+            raise AssertionError("TEST FAILED")
+
+        self.log.info("%s DOUBLE SPENT SERIAL NOT VERIFIED, TEST PASSED" % self.__class__.__name__)
+
+        self.log.info("%s Trying to spend using the old coin spend method.." % self.__class__.__name__)
+
+        tx = None
+        try:
+            tx = self.node.spendzerocoin(DENOM_TO_USE, False, False, "", False)
+            raise AssertionError("TEST FAILED, old coinSpend spent")
+        except JSONRPCException as e:
+            self.log.info("GOOD: spendzerocoin old spend did not verify")
+
+
+        self.log.info("%s OLD COIN SPEND NON USABLE ANYMORE, TEST PASSED" % self.__class__.__name__)
+
+
+if __name__ == '__main__':
+    zAGRValidCoinSpendTest().main()