test that a squatter can't steal a name while it's in the grace period

integration_tests/blockstack_integration_tests/scenarios/name_import_nextepoch_epoch3_expire_grace.py

@@ -0,0 +1,339 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+"""
+    Blockstack
+    ~~~~~
+    copyright: (c) 2014-2015 by Halfmoon Labs, Inc.
+    copyright: (c) 2016 by Blockstack.org
+
+    This file is part of Blockstack
+
+    Blockstack is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Blockstack is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    You should have received a copy of the GNU General Public License
+    along with Blockstack. If not, see <http://www.gnu.org/licenses/>.
+""" 
+
+# change epochs
+import os
+
+"""
+TEST ENV BLOCKSTACK_EPOCH_1_END_BLOCK 693
+TEST ENV BLOCKSTACK_EPOCH_2_END_BLOCK 695
+TEST ENV BLOCKSTACK_EPOCH_2_NAMESPACE_LIFETIME_MULTIPLIER 2
+TEST ENV BLOCKSTACK_EPOCH_3_NAMESPACE_LIFETIME_MULTIPLIER 2
+TEST ENV BLOCKSTACK_EPOCH_3_NAMESPACE_LIFETIME_GRACE_PERIOD 5
+"""
+
+import testlib
+import virtualchain
+import json
+import shutil
+import tempfile
+
+import blockstack
+
+wallets = [
+    testlib.Wallet( "5JesPiN68qt44Hc2nT8qmyZ1JDwHebfoh9KQ52Lazb1m1LaKNj9", 100000000000 ),
+    testlib.Wallet( "5KHqsiU9qa77frZb6hQy9ocV7Sus9RWJcQGYYBJJBb2Efj1o77e", 100000000000 ),
+    testlib.Wallet( "5Kg5kJbQHvk1B64rJniEmgbD83FpZpbw2RjdAZEzTefs9ihN3Bz", 100000000000 ),
+    testlib.Wallet( "5JuVsoS9NauksSkqEjbUZxWwgGDQbMwPsEfoRBSpLpgDX1RtLX7", 100000000000 ),
+    testlib.Wallet( "5KEpiSRr1BrT8vRD7LKGCEmudokTh1iMHbiThMQpLdwBwhDJB1T", 100000000000 ),
+    testlib.Wallet( "5K5hDuynZ6EQrZ4efrchCwy6DLhdsEzuJtTDAf3hqdsCKbxfoeD", 100000000000 ),
+    testlib.Wallet( "5J39aXEeHh9LwfQ4Gy5Vieo7sbqiUMBXkPH7SaMHixJhSSBpAqz", 100000000000 ),
+    testlib.Wallet( "5K9LmMQskQ9jP1p7dyieLDAeB6vsAj4GK8dmGNJAXS1qHDqnWhP", 100000000000 ),
+    testlib.Wallet( "5KcNen67ERBuvz2f649t9F2o1ddTjC5pVUEqcMtbxNgHqgxG2gZ", 100000000000 )
+]
+
+consensus = "17ac43c1d8549c3181b200f1bf97eb7d"
+
+debug = True
+first_name_block = None
+
+def scenario( wallets, **kw ):
+
+    global first_name_block
+
+    # make a test namespace
+    resp = testlib.blockstack_namespace_preorder( "test", wallets[1].addr, wallets[0].privkey )
+    if 'error' in resp:
+        print json.dumps( resp, indent=4 )
+        return False
+
+    testlib.next_block( **kw ) # end of 689
+
+    resp = testlib.blockstack_namespace_reveal( "test", wallets[1].addr, 2, 250, 4, [6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0], 10, 10, wallets[0].privkey )
+    if 'error' in resp:
+        print json.dumps( resp, indent=4 )
+        return False
+
+    testlib.next_block( **kw ) # 690
+
+    resp = testlib.blockstack_name_import( "foo.test", wallets[3].addr, "11" * 20, wallets[1].privkey )
+    if 'error' in resp:
+        print json.dumps( resp, indent=4 )
+        return False
+
+    testlib.next_block( **kw ) # 691
+    first_name_block = testlib.get_current_block( **kw )
+
+    resp = testlib.blockstack_namespace_ready( "test", wallets[1].privkey )
+    if 'error' in resp:
+        print json.dumps( resp, indent=4 )
+        return False
+
+    testlib.next_block( **kw ) # end of 692
+
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print 'failed to whois foo.test'
+        print json.dumps(whois, indent=4)
+        return False
+
+    # this should be the second-to-last block 
+    if whois['expire_block'] != testlib.get_current_block(**kw) + 2:
+        print 'wrong expire block (expect 2 more)'
+        print whois
+        return False
+
+    testlib.next_block(**kw) # end of 693; begin epoch 2
+    # begin epoch 2
+    testlib.next_block(**kw) # 694
+ 
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print 'failed to whois foo.test'
+        print json.dumps(whois, indent=4)
+        return False
+   
+    # this should be the last block 
+    if whois['expire_block'] != testlib.get_current_block(**kw) + 2:
+        print 'wrong expire block (expect 2 more)'
+        print whois
+        return False
+
+    if whois['renewal_deadline'] != testlib.get_current_block(**kw) + 2:
+        print 'wrong renewal block (expect 2 more)'
+        print whois
+        return False
+
+    print whois
+
+    testlib.next_block(**kw) # 695 (epoch 3 begins)
+    testlib.next_block(**kw) # end of 696
+
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    # this should be the expire block 
+    if whois['expire_block'] != testlib.get_current_block(**kw):
+        print 'wrong expire block (now at {})'.format(testlib.get_current_block(**kw))
+        print whois
+        return False
+ 
+    # should now be a grace period 
+    if whois['renewal_deadline'] != testlib.get_current_block(**kw) + 5:
+        print 'wrong renewal block (now at {})'.format(testlib.get_current_block(**kw))
+        print whois
+        return False
+
+    last_transaction_height = whois['last_transaction_height']
+
+    # should go through
+    resp = testlib.blockstack_name_preorder('foo.test', wallets[3].privkey, wallets[0].addr, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    # should go through
+    resp = testlib.blockstack_name_preorder('foo.test', wallets[1].privkey, wallets[2].addr, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    # begin epoch 3 (grace period)
+    testlib.next_block(**kw) # end of 697
+
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20)
+    if 'error' not in resp:
+        print resp
+        return False
+
+    # should go through, but be rejected
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # 698
+    testlib.expect_snv_fail_at( "foo.test", testlib.get_current_block(**kw))
+
+    # should NOT have gone through 
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    if whois['last_transaction_height'] != last_transaction_height:
+        print 'accidentally registered'
+        return False
+
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20)
+    if 'error' not in resp:
+        print resp
+        return False
+
+    # should go through, but be rejected
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # 699
+    testlib.expect_snv_fail_at( "foo.test", testlib.get_current_block(**kw))
+
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    if whois['last_transaction_height'] != last_transaction_height:
+        print 'accidentally registered'
+        return False
+
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20)
+    if 'error' not in resp:
+        print resp
+        return False
+
+    # should go through, but be rejected
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # 700
+    testlib.expect_snv_fail_at( "foo.test", testlib.get_current_block(**kw))
+
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    if whois['last_transaction_height'] != last_transaction_height:
+        print 'accidentally registered'
+        return False
+
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20)
+    if 'error' not in resp:
+        print resp
+        return False
+
+    # should go through, but be rejected
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # end of 701 (end of grace period)
+    testlib.expect_snv_fail_at( "foo.test", testlib.get_current_block(**kw))
+   
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' not in whois:
+        print whois
+        return False
+
+    # should go through, and be accepted (consumes earlier preorder)
+    resp = testlib.blockstack_name_register("foo.test", wallets[1].privkey, wallets[2].addr, zonefile_hash='44' * 20)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # 702 (name can be registered again)
+
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    resp = testlib.blockstack_name_register("foo.test", wallets[3].privkey, wallets[0].addr, zonefile_hash='33' * 20)
+    if 'error' not in resp:
+        print resp
+        return False
+
+    # should go through, and be rejected (preorder will remain)
+    resp = testlib.blockstack_name_register("foo.test", wallets[3].privkey, wallets[0].addr, zonefile_hash='33' * 20, safety_checks=False, tx_fee=500*5)
+    if 'error' in resp:
+        print resp
+        return False
+
+    testlib.next_block(**kw) # 703
+    testlib.expect_snv_fail_at( "foo.test", testlib.get_current_block(**kw))
+    
+    whois = testlib.blockstack_cli_whois('foo.test')
+    if 'error' in whois:
+        print whois
+        return False
+
+    if whois['owner_address'] == wallets[0].addr:
+        print 'accidentally registered foo.test to {}'.format(wallets[0].addr)
+        return False
+
+
+def check( state_engine ):
+
+    global first_name_block 
+
+    # not revealed, but ready 
+    ns = state_engine.get_namespace_reveal( "test" )
+    if ns is not None:
+        return False 
+
+    ns = state_engine.get_namespace( "test" )
+    if ns is None:
+        return False 
+
+    if ns['namespace_id'] != 'test':
+        return False 
+
+    # not preordered 
+    for i in xrange(0, len(wallets)):
+        preorder = state_engine.get_name_preorder( "foo.test", virtualchain.make_payment_script(wallets[i].addr), wallets[(i+1)%5].addr )
+        if preorder is not None:
+            print "preordered"
+            return False
+    
+    # this is still preordered under this address
+    preorder = state_engine.get_name_preorder( "foo.test", virtualchain.make_payment_script(wallets[3].addr), wallets[0].addr )
+    if preorder is not None:
+        print 'not preordered'
+        return False
+
+    # registered 
+    name_rec = state_engine.get_name( "foo.test" )
+    if name_rec is None:
+        print "no name"
+        return False 
+
+    # owned by new owner
+    if name_rec['address'] != wallets[2].addr or name_rec['sender'] != virtualchain.make_payment_script(wallets[2].addr):
+        print 'wrong owner'
+        print name_rec['address']
+        print name_rec['sender']
+        return False
+
+    namespace_rec = state_engine.get_namespace("test")
+    if namespace_rec is None:
+        print "missing namespace"
+        return False
+
+    return True