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.
138 lines
4.7 KiB
Python
Executable File
138 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python2
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# Copyright (c) 2019 Bartlomiej Lisiecki
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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 decimal import Decimal
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_greater_than, start_nodes,\
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initialize_chain_clean, connect_nodes_bi, wait_and_assert_operationid_status
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import logging
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logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)
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fee = Decimal('0.0001') # constant (but can be changed within reason)
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class IVKImportExportTest (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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def setup_network(self, split=False):
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self.nodes = start_nodes(4, self.options.tmpdir, [[
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'-nuparams=5ba81b19:101', # Overwinter
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'-nuparams=76b809bb:102', # Sapling
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]] * 4)
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connect_nodes_bi(self.nodes,0,1)
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connect_nodes_bi(self.nodes,0,2)
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connect_nodes_bi(self.nodes,0,3)
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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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[alice, bob, charlie, miner] = self.nodes
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# the sender loses 'amount' plus fee; to_addr receives exactly 'amount'
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def z_send(from_node, from_addr, to_addr, amount):
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global fee
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opid = from_node.z_sendmany(from_addr,
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[{"address": to_addr, "amount": Decimal(amount)}], 1, fee)
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wait_and_assert_operationid_status(from_node, opid)
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self.sync_all()
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miner.generate(1)
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self.sync_all()
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def verify_utxos(node, amts, zaddr):
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amts.sort(reverse=True)
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txs = node.z_listreceivedbyaddress(zaddr)
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def cmp_confirmations_high_to_low(a, b):
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return cmp(b["amount"], a["amount"])
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txs.sort(cmp_confirmations_high_to_low)
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print("Sorted txs", txs)
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print("amts", amts)
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try:
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assert_equal(amts, [tx["amount"] for tx in txs])
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except AssertionError:
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logging.error(
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'Expected amounts: %r; txs: %r',
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amts, txs)
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raise
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def get_private_balance(node):
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balance = node.z_gettotalbalance()
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return balance['private']
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def find_imported_zaddr(node, import_zaddr):
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zaddrs = node.z_listaddresses()
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assert(import_zaddr in zaddrs)
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return import_zaddr
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# activate sapling
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alice.generate(102)
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self.sync_all()
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# sanity-check the test harness
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assert_equal(self.nodes[0].getblockcount(), 102)
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# shield alice's coinbase funds to her zaddr
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alice_zaddr = alice.z_getnewaddress('sapling')
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res = alice.z_shieldcoinbase("*", alice_zaddr)
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wait_and_assert_operationid_status(alice, res['opid'])
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self.sync_all()
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miner.generate(1)
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self.sync_all()
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# the amounts of each txn embodied which generates a single utxo:
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amounts = map(Decimal, ['2.3', '3.7', '0.1', '0.5', '1.0', '0.19'])
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# internal test consistency assertion:
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assert_greater_than(
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get_private_balance(alice),
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reduce(Decimal.__add__, amounts))
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# now get a pristine z-address for receiving transfers:
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bob_zaddr = bob.z_getnewaddress('sapling')
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verify_utxos(bob, [], bob_zaddr)
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logging.info("sending pre-export txns...")
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for amount in amounts[0:2]:
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z_send(alice, alice_zaddr, bob_zaddr, amount)
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logging.info("exporting ivk from bob...")
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bob_ivk = bob.z_exportviewingkey(bob_zaddr)
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logging.info("sending post-export txns...")
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for amount in amounts[2:4]:
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z_send(alice, alice_zaddr, bob_zaddr, amount)
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verify_utxos(bob, amounts[:4], bob_zaddr)
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logging.info("importing bob_ivk into charlie...")
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# we need to pass bob_zaddr since it's a sapling address
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charlie.z_importviewingkey(bob_ivk, 'yes', 0, bob_zaddr)
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# z_importkey should have rescanned for new key, so this should pass:
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verify_utxos(charlie, amounts[:4], bob_zaddr)
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# verify idempotent behavior:
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charlie.z_importviewingkey(bob_ivk, 'yes', 0, bob_zaddr)
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verify_utxos(charlie, amounts[:4], bob_zaddr)
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logging.info("Sending post-import txns...")
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for amount in amounts[4:]:
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z_send(alice, alice_zaddr, bob_zaddr, amount)
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verify_utxos(bob, amounts, bob_zaddr)
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verify_utxos(charlie, amounts, bob_zaddr)
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if __name__ == '__main__':
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IVKImportExportTest().main()
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