be16f80abc
Any projects which want to use Hush code from now on will need to be licensed as GPLv3 or we will send the lawyers: https://www.softwarefreedom.org/ Notably, Komodo (KMD) is licensed as GPLv2 and is no longer compatible to receive code changes, without causing legal issues. MIT projects, such as Zcash, also cannot pull in changes from the Hush Full Node without permission from The Hush Developers, which may in some circumstances grant an MIT license on a case-by-case basis.
106 lines
4.3 KiB
Python
Executable File
106 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python2
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# Copyright (c) 2016 The Zcash developers
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# Distributed under the GPLv3 software license, see the accompanying
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# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, initialize_chain_clean, \
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start_nodes, connect_nodes_bi, wait_and_assert_operationid_status
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import time
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from decimal import Decimal
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class WalletTreeStateTest (BitcoinTestFramework):
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def setup_chain(self):
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print("Initializing test directory "+self.options.tmpdir)
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initialize_chain_clean(self.options.tmpdir, 4)
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# Start nodes with -regtestprotectcoinbase to set fCoinbaseMustBeProtected to true.
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def setup_network(self, split=False):
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self.nodes = start_nodes(3, self.options.tmpdir, extra_args=[['-regtestprotectcoinbase','-debug=zrpc']] * 3 )
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connect_nodes_bi(self.nodes,0,1)
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connect_nodes_bi(self.nodes,1,2)
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connect_nodes_bi(self.nodes,0,2)
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self.is_network_split=False
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self.sync_all()
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def run_test (self):
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print "Mining blocks..."
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self.nodes[0].generate(100)
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self.sync_all()
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self.nodes[1].generate(101)
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self.sync_all()
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mytaddr = self.nodes[0].getnewaddress() # where coins were mined
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myzaddr = self.nodes[0].z_getnewaddress()
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# Spend coinbase utxos to create three notes of 9.99990000 each
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recipients = []
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recipients.append({"address":myzaddr, "amount":Decimal('10.0') - Decimal('0.0001')})
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myopid = self.nodes[0].z_sendmany(mytaddr, recipients)
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wait_and_assert_operationid_status(self.nodes[0], myopid)
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self.sync_all()
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self.nodes[1].generate(1)
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self.sync_all()
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myopid = self.nodes[0].z_sendmany(mytaddr, recipients)
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wait_and_assert_operationid_status(self.nodes[0], myopid)
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self.sync_all()
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self.nodes[1].generate(1)
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self.sync_all()
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myopid = self.nodes[0].z_sendmany(mytaddr, recipients)
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wait_and_assert_operationid_status(self.nodes[0], myopid)
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self.sync_all()
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self.nodes[1].generate(1)
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self.sync_all()
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# Check balance
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resp = self.nodes[0].z_getbalance(myzaddr)
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assert_equal(Decimal(resp), Decimal('9.9999') * 3 )
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# We want to test a real-world situation where during the time spent creating a transaction
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# with joinsplits, other transactions containing joinsplits have been mined into new blocks,
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# which result in the treestate changing whilst creating the transaction.
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# Tx 1 will change the treestate while Tx 2 containing chained joinsplits is still being generated
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recipients = []
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recipients.append({"address":self.nodes[2].z_getnewaddress(), "amount":Decimal('10.0') - Decimal('0.0001')})
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myopid = self.nodes[0].z_sendmany(mytaddr, recipients)
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wait_and_assert_operationid_status(self.nodes[0], myopid)
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# Tx 2 will consume all three notes, which must take at least two joinsplits. This is regardless of
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# the z_sendmany implementation because there are only two inputs per joinsplit.
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recipients = []
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recipients.append({"address":self.nodes[2].z_getnewaddress(), "amount":Decimal('18')})
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recipients.append({"address":self.nodes[2].z_getnewaddress(), "amount":Decimal('11.9997') - Decimal('0.0001')})
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myopid = self.nodes[0].z_sendmany(myzaddr, recipients)
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# Wait for Tx 2 to begin executing...
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for x in xrange(1, 60):
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results = self.nodes[0].z_getoperationstatus([myopid])
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status = results[0]["status"]
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if status == "executing":
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break
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time.sleep(1)
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# Now mine Tx 1 which will change global treestate before Tx 2's second joinsplit begins processing
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self.sync_all()
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self.nodes[1].generate(1)
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self.sync_all()
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# Wait for Tx 2 to be created
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wait_and_assert_operationid_status(self.nodes[0], myopid)
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# Note that a bug existed in v1.0.0-1.0.3 where Tx 2 creation would fail with an error:
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# "Witness for spendable note does not have same anchor as change input"
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# Check balance
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resp = self.nodes[0].z_getbalance(myzaddr)
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assert_equal(Decimal(resp), Decimal('0.0'))
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if __name__ == '__main__':
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WalletTreeStateTest().main()
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