132 lines
6.6 KiB
Python
132 lines
6.6 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2021-2022 The Moneyrocket Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test simulaterawtransaction.
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"""
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from decimal import Decimal
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from test_framework.blocktools import COINBASE_MATURITY
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from test_framework.test_framework import MoneyrocketTestFramework
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from test_framework.util import (
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assert_approx,
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assert_equal,
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assert_raises_rpc_error,
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)
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class SimulateTxTest(MoneyrocketTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser)
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def setup_network(self, split=False):
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self.setup_nodes()
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def run_test(self):
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node = self.nodes[0]
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self.generate(node, 1, sync_fun=self.no_op) # Leave IBD
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node.createwallet(wallet_name='w0')
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node.createwallet(wallet_name='w1')
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node.createwallet(wallet_name='w2', disable_private_keys=True)
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w0 = node.get_wallet_rpc('w0')
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w1 = node.get_wallet_rpc('w1')
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w2 = node.get_wallet_rpc('w2')
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self.generatetoaddress(node, COINBASE_MATURITY + 1, w0.getnewaddress())
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assert_equal(w0.getbalance(), 50.0)
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assert_equal(w1.getbalance(), 0.0)
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address1 = w1.getnewaddress()
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address2 = w1.getnewaddress()
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# Add address1 as watch-only to w2
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w2.importpubkey(pubkey=w1.getaddressinfo(address1)["pubkey"])
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tx1 = node.createrawtransaction([], [{address1: 5.0}])
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tx2 = node.createrawtransaction([], [{address2: 10.0}])
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# w0 should be unaffected, w2 should see +5 for tx1
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assert_equal(w0.simulaterawtransaction([tx1])["balance_change"], 0.0)
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assert_equal(w2.simulaterawtransaction([tx1])["balance_change"], 5.0)
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# w1 should see +5 balance for tx1
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assert_equal(w1.simulaterawtransaction([tx1])["balance_change"], 5.0)
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# w0 should be unaffected, w2 should see +5 for both transactions
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assert_equal(w0.simulaterawtransaction([tx1, tx2])["balance_change"], 0.0)
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assert_equal(w2.simulaterawtransaction([tx1, tx2])["balance_change"], 5.0)
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# w1 should see +15 balance for both transactions
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assert_equal(w1.simulaterawtransaction([tx1, tx2])["balance_change"], 15.0)
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# w0 funds transaction; it should now see a decrease in (tx fee and payment), and w1 should see the same as above
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funding = w0.fundrawtransaction(tx1)
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tx1 = funding["hex"]
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tx1changepos = funding["changepos"]
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moneyrocket_fee = Decimal(funding["fee"])
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# w0 sees fee + 5 rkt decrease, w2 sees + 5 rkt
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assert_approx(w0.simulaterawtransaction([tx1])["balance_change"], -(Decimal("5") + moneyrocket_fee))
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assert_approx(w2.simulaterawtransaction([tx1])["balance_change"], Decimal("5"))
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# w1 sees same as before
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assert_equal(w1.simulaterawtransaction([tx1])["balance_change"], 5.0)
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# same inputs (tx) more than once should error
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assert_raises_rpc_error(-8, "Transaction(s) are spending the same output more than once", w0.simulaterawtransaction, [tx1,tx1])
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tx1ob = node.decoderawtransaction(tx1)
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tx1hex = tx1ob["txid"]
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tx1vout = 1 - tx1changepos
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# tx3 spends new w1 UTXO paying to w0
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tx3 = node.createrawtransaction([{"txid": tx1hex, "vout": tx1vout}], {w0.getnewaddress(): 4.9999})
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# tx4 spends new w1 UTXO paying to w1
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tx4 = node.createrawtransaction([{"txid": tx1hex, "vout": tx1vout}], {w1.getnewaddress(): 4.9999})
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# on their own, both should fail due to missing input(s)
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w0.simulaterawtransaction, [tx3])
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w1.simulaterawtransaction, [tx3])
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w0.simulaterawtransaction, [tx4])
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w1.simulaterawtransaction, [tx4])
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# they should succeed when including tx1:
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# wallet tx3 tx4
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# w0 -5 - moneyrocket_fee + 4.9999 -5 - moneyrocket_fee
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# w1 0 +4.9999
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assert_approx(w0.simulaterawtransaction([tx1, tx3])["balance_change"], -Decimal("5") - moneyrocket_fee + Decimal("4.9999"))
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assert_approx(w1.simulaterawtransaction([tx1, tx3])["balance_change"], 0)
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assert_approx(w0.simulaterawtransaction([tx1, tx4])["balance_change"], -Decimal("5") - moneyrocket_fee)
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assert_approx(w1.simulaterawtransaction([tx1, tx4])["balance_change"], Decimal("4.9999"))
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# they should fail if attempting to include both tx3 and tx4
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assert_raises_rpc_error(-8, "Transaction(s) are spending the same output more than once", w0.simulaterawtransaction, [tx1, tx3, tx4])
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assert_raises_rpc_error(-8, "Transaction(s) are spending the same output more than once", w1.simulaterawtransaction, [tx1, tx3, tx4])
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# send tx1 to avoid reusing same UTXO below
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node.sendrawtransaction(w0.signrawtransactionwithwallet(tx1)["hex"])
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self.generate(node, 1, sync_fun=self.no_op) # Confirm tx to trigger error below
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self.sync_all()
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# w0 funds transaction 2; it should now see a decrease in (tx fee and payment), and w1 should see the same as above
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funding = w0.fundrawtransaction(tx2)
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tx2 = funding["hex"]
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moneyrocket_fee2 = Decimal(funding["fee"])
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assert_approx(w0.simulaterawtransaction([tx2])["balance_change"], -(Decimal("10") + moneyrocket_fee2))
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assert_approx(w1.simulaterawtransaction([tx2])["balance_change"], +(Decimal("10")))
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assert_approx(w2.simulaterawtransaction([tx2])["balance_change"], 0)
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# w0-w2 error due to tx1 already being mined
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w0.simulaterawtransaction, [tx1, tx2])
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w1.simulaterawtransaction, [tx1, tx2])
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assert_raises_rpc_error(-8, "One or more transaction inputs are missing or have been spent already", w2.simulaterawtransaction, [tx1, tx2])
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if __name__ == '__main__':
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SimulateTxTest().main()
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