diff options
Diffstat (limited to 'qa')
| -rwxr-xr-x | qa/pull-tester/rpc-tests.sh | 2 | ||||
| -rwxr-xr-x | qa/rpc-tests/txn_clone.py | 167 | ||||
| -rwxr-xr-x | qa/rpc-tests/txn_doublespend.py | 79 |
3 files changed, 221 insertions, 27 deletions
diff --git a/qa/pull-tester/rpc-tests.sh b/qa/pull-tester/rpc-tests.sh index c032f8a038..b282082395 100755 --- a/qa/pull-tester/rpc-tests.sh +++ b/qa/pull-tester/rpc-tests.sh @@ -21,6 +21,8 @@ testScripts=( 'mempool_resurrect_test.py' 'txn_doublespend.py' 'txn_doublespend.py --mineblock' + 'txn_clone.py' + 'txn_clone.py --mineblock' 'getchaintips.py' 'rawtransactions.py' 'rest.py' diff --git a/qa/rpc-tests/txn_clone.py b/qa/rpc-tests/txn_clone.py new file mode 100755 index 0000000000..19bc34e3f9 --- /dev/null +++ b/qa/rpc-tests/txn_clone.py @@ -0,0 +1,167 @@ +#!/usr/bin/env python2 +# Copyright (c) 2014 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +# +# Test proper accounting with an equivalent malleability clone +# + +from test_framework import BitcoinTestFramework +from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException +from decimal import Decimal +from util import * +import os +import shutil + +class TxnMallTest(BitcoinTestFramework): + + def add_options(self, parser): + parser.add_option("--mineblock", dest="mine_block", default=False, action="store_true", + help="Test double-spend of 1-confirmed transaction") + + def setup_network(self): + # Start with split network: + return super(TxnMallTest, self).setup_network(True) + + def run_test(self): + # All nodes should start with 1,250 BTC: + starting_balance = 1250 + for i in range(4): + assert_equal(self.nodes[i].getbalance(), starting_balance) + self.nodes[i].getnewaddress("") # bug workaround, coins generated assigned to first getnewaddress! + + # Assign coins to foo and bar accounts: + self.nodes[0].settxfee(.001) + + node0_address_foo = self.nodes[0].getnewaddress("foo") + fund_foo_txid = self.nodes[0].sendfrom("", node0_address_foo, 1219) + fund_foo_tx = self.nodes[0].gettransaction(fund_foo_txid) + + node0_address_bar = self.nodes[0].getnewaddress("bar") + fund_bar_txid = self.nodes[0].sendfrom("", node0_address_bar, 29) + fund_bar_tx = self.nodes[0].gettransaction(fund_bar_txid) + + assert_equal(self.nodes[0].getbalance(""), + starting_balance - 1219 - 29 + fund_foo_tx["fee"] + fund_bar_tx["fee"]) + + # Coins are sent to node1_address + node1_address = self.nodes[1].getnewaddress("from0") + + # Send tx1, and another transaction tx2 that won't be cloned + txid1 = self.nodes[0].sendfrom("foo", node1_address, 40, 0) + txid2 = self.nodes[0].sendfrom("bar", node1_address, 20, 0) + + # Construct a clone of tx1, to be malleated + rawtx1 = self.nodes[0].getrawtransaction(txid1,1) + clone_inputs = [{"txid":rawtx1["vin"][0]["txid"],"vout":rawtx1["vin"][0]["vout"]}] + clone_outputs = {rawtx1["vout"][0]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][0]["value"], + rawtx1["vout"][1]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][1]["value"]} + clone_raw = self.nodes[0].createrawtransaction(clone_inputs, clone_outputs) + + # 3 hex manipulations on the clone are required + + # manipulation 1. sequence is at version+#inputs+input+sigstub + posseq = 2*(4+1+36+1) + seqbe = '%08x' % rawtx1["vin"][0]["sequence"] + clone_raw = clone_raw[:posseq] + seqbe[6:8] + seqbe[4:6] + seqbe[2:4] + seqbe[0:2] + clone_raw[posseq + 8:] + + # manipulation 2. createrawtransaction randomizes the order of its outputs, so swap them if necessary. + # output 0 is at version+#inputs+input+sigstub+sequence+#outputs + # 40 BTC serialized is 00286bee00000000 + pos0 = 2*(4+1+36+1+4+1) + hex40 = "00286bee00000000" + output_len = 16 + 2 + 2 * int("0x" + clone_raw[pos0 + 16 : pos0 + 16 + 2], 0) + if (rawtx1["vout"][0]["value"] == 40 and clone_raw[pos0 : pos0 + 16] != hex40 or + rawtx1["vout"][0]["value"] != 40 and clone_raw[pos0 : pos0 + 16] == hex40): + output0 = clone_raw[pos0 : pos0 + output_len] + output1 = clone_raw[pos0 + output_len : pos0 + 2 * output_len] + clone_raw = clone_raw[:pos0] + output1 + output0 + clone_raw[pos0 + 2 * output_len:] + + # manipulation 3. locktime is after outputs + poslt = pos0 + 2 * output_len + ltbe = '%08x' % rawtx1["locktime"] + clone_raw = clone_raw[:poslt] + ltbe[6:8] + ltbe[4:6] + ltbe[2:4] + ltbe[0:2] + clone_raw[poslt + 8:] + + # Use a different signature hash type to sign. This creates an equivalent but malleated clone. + # Don't send the clone anywhere yet + tx1_clone = self.nodes[0].signrawtransaction(clone_raw, None, None, "ALL|ANYONECANPAY") + assert_equal(tx1_clone["complete"], True) + + # Have node0 mine a block, if requested: + if (self.options.mine_block): + self.nodes[0].generate(1) + sync_blocks(self.nodes[0:2]) + + tx1 = self.nodes[0].gettransaction(txid1) + tx2 = self.nodes[0].gettransaction(txid2) + + # Node0's balance should be starting balance, plus 50BTC for another + # matured block, minus tx1 and tx2 amounts, and minus transaction fees: + expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"] + if self.options.mine_block: expected += 50 + expected += tx1["amount"] + tx1["fee"] + expected += tx2["amount"] + tx2["fee"] + assert_equal(self.nodes[0].getbalance(), expected) + + # foo and bar accounts should be debited: + assert_equal(self.nodes[0].getbalance("foo", 0), 1219 + tx1["amount"] + tx1["fee"]) + assert_equal(self.nodes[0].getbalance("bar", 0), 29 + tx2["amount"] + tx2["fee"]) + + if self.options.mine_block: + assert_equal(tx1["confirmations"], 1) + assert_equal(tx2["confirmations"], 1) + # Node1's "from0" balance should be both transaction amounts: + assert_equal(self.nodes[1].getbalance("from0"), -(tx1["amount"] + tx2["amount"])) + else: + assert_equal(tx1["confirmations"], 0) + assert_equal(tx2["confirmations"], 0) + + # Send clone and its parent to miner + self.nodes[2].sendrawtransaction(fund_foo_tx["hex"]) + txid1_clone = self.nodes[2].sendrawtransaction(tx1_clone["hex"]) + # ... mine a block... + self.nodes[2].generate(1) + + # Reconnect the split network, and sync chain: + connect_nodes(self.nodes[1], 2) + self.nodes[2].generate(1) # Mine another block to make sure we sync + sync_blocks(self.nodes) + + # Re-fetch transaction info: + tx1 = self.nodes[0].gettransaction(txid1) + tx1_clone = self.nodes[0].gettransaction(txid1_clone) + tx2 = self.nodes[0].gettransaction(txid2) + + # Verify expected confirmations + assert_equal(tx1["confirmations"], -1) + assert_equal(tx1_clone["confirmations"], 2) + assert_equal(tx2["confirmations"], 0) + + # Check node0's total balance; should be same as before the clone, + 100 BTC for 2 matured, + # less possible orphaned matured subsidy + expected += 100 + if (self.options.mine_block): + expected -= 50 + assert_equal(self.nodes[0].getbalance(), expected) + assert_equal(self.nodes[0].getbalance("*", 0), expected) + + # Check node0's individual account balances. + # "foo" should have been debited by the equivalent clone of tx1 + assert_equal(self.nodes[0].getbalance("foo"), 1219 + tx1["amount"] + tx1["fee"]) + # "bar" should have been debited by (possibly unconfirmed) tx2 + assert_equal(self.nodes[0].getbalance("bar", 0), 29 + tx2["amount"] + tx2["fee"]) + # "" should have starting balance, less funding txes, plus subsidies + assert_equal(self.nodes[0].getbalance("", 0), starting_balance + - 1219 + + fund_foo_tx["fee"] + - 29 + + fund_bar_tx["fee"] + + 100) + + # Node1's "from0" account balance + assert_equal(self.nodes[1].getbalance("from0", 0), -(tx1["amount"] + tx2["amount"])) + +if __name__ == '__main__': + TxnMallTest().main() + diff --git a/qa/rpc-tests/txn_doublespend.py b/qa/rpc-tests/txn_doublespend.py index 99dcdae552..36081127b4 100755 --- a/qa/rpc-tests/txn_doublespend.py +++ b/qa/rpc-tests/txn_doublespend.py @@ -4,7 +4,7 @@ # file COPYING or http://www.opensource.org/licenses/mit-license.php. # -# Test proper accounting with malleable transactions +# Test proper accounting with a double-spend conflict # from test_framework.test_framework import BitcoinTestFramework @@ -31,28 +31,40 @@ class TxnMallTest(BitcoinTestFramework): self.nodes[i].getnewaddress("") # bug workaround, coins generated assigned to first getnewaddress! # Assign coins to foo and bar accounts: - self.nodes[0].move("", "foo", 1220) - self.nodes[0].move("", "bar", 30) - assert_equal(self.nodes[0].getbalance(""), 0) + node0_address_foo = self.nodes[0].getnewaddress("foo") + fund_foo_txid = self.nodes[0].sendfrom("", node0_address_foo, 1219) + fund_foo_tx = self.nodes[0].gettransaction(fund_foo_txid) + + node0_address_bar = self.nodes[0].getnewaddress("bar") + fund_bar_txid = self.nodes[0].sendfrom("", node0_address_bar, 29) + fund_bar_tx = self.nodes[0].gettransaction(fund_bar_txid) + + assert_equal(self.nodes[0].getbalance(""), + starting_balance - 1219 - 29 + fund_foo_tx["fee"] + fund_bar_tx["fee"]) # Coins are sent to node1_address node1_address = self.nodes[1].getnewaddress("from0") - # First: use raw transaction API to send 1210 BTC to node1_address, + # First: use raw transaction API to send 1240 BTC to node1_address, # but don't broadcast: - (total_in, inputs) = gather_inputs(self.nodes[0], 1210) - change_address = self.nodes[0].getnewaddress("foo") + doublespend_fee = Decimal('-.02') + rawtx_input_0 = {} + rawtx_input_0["txid"] = fund_foo_txid + rawtx_input_0["vout"] = find_output(self.nodes[0], fund_foo_txid, 1219) + rawtx_input_1 = {} + rawtx_input_1["txid"] = fund_bar_txid + rawtx_input_1["vout"] = find_output(self.nodes[0], fund_bar_txid, 29) + inputs = [rawtx_input_0, rawtx_input_1] + change_address = self.nodes[0].getnewaddress() outputs = {} - outputs[change_address] = 40 - outputs[node1_address] = 1210 + outputs[node1_address] = 1240 + outputs[change_address] = 1248 - 1240 + doublespend_fee rawtx = self.nodes[0].createrawtransaction(inputs, outputs) doublespend = self.nodes[0].signrawtransaction(rawtx) assert_equal(doublespend["complete"], True) - # Create two transaction from node[0] to node[1]; the - # second must spend change from the first because the first - # spends all mature inputs: - txid1 = self.nodes[0].sendfrom("foo", node1_address, 1210, 0) + # Create two spends using 1 50 BTC coin each + txid1 = self.nodes[0].sendfrom("foo", node1_address, 40, 0) txid2 = self.nodes[0].sendfrom("bar", node1_address, 20, 0) # Have node0 mine a block: @@ -64,16 +76,16 @@ class TxnMallTest(BitcoinTestFramework): tx2 = self.nodes[0].gettransaction(txid2) # Node0's balance should be starting balance, plus 50BTC for another - # matured block, minus 1210, minus 20, and minus transaction fees: - expected = starting_balance + # matured block, minus 40, minus 20, and minus transaction fees: + expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"] if self.options.mine_block: expected += 50 expected += tx1["amount"] + tx1["fee"] expected += tx2["amount"] + tx2["fee"] assert_equal(self.nodes[0].getbalance(), expected) # foo and bar accounts should be debited: - assert_equal(self.nodes[0].getbalance("foo"), 1220+tx1["amount"]+tx1["fee"]) - assert_equal(self.nodes[0].getbalance("bar"), 30+tx2["amount"]+tx2["fee"]) + assert_equal(self.nodes[0].getbalance("foo", 0), 1219+tx1["amount"]+tx1["fee"]) + assert_equal(self.nodes[0].getbalance("bar", 0), 29+tx2["amount"]+tx2["fee"]) if self.options.mine_block: assert_equal(tx1["confirmations"], 1) @@ -84,8 +96,10 @@ class TxnMallTest(BitcoinTestFramework): assert_equal(tx1["confirmations"], 0) assert_equal(tx2["confirmations"], 0) - # Now give doublespend to miner: - mutated_txid = self.nodes[2].sendrawtransaction(doublespend["hex"]) + # Now give doublespend and its parents to miner: + self.nodes[2].sendrawtransaction(fund_foo_tx["hex"]) + self.nodes[2].sendrawtransaction(fund_bar_tx["hex"]) + self.nodes[2].sendrawtransaction(doublespend["hex"]) # ... mine a block... self.nodes[2].generate(1) @@ -103,17 +117,28 @@ class TxnMallTest(BitcoinTestFramework): assert_equal(tx2["confirmations"], -1) # Node0's total balance should be starting balance, plus 100BTC for - # two more matured blocks, minus 1210 for the double-spend: - expected = starting_balance + 100 - 1210 + # two more matured blocks, minus 1240 for the double-spend, plus fees (which are + # negative): + expected = starting_balance + 100 - 1240 + fund_foo_tx["fee"] + fund_bar_tx["fee"] + doublespend_fee assert_equal(self.nodes[0].getbalance(), expected) assert_equal(self.nodes[0].getbalance("*"), expected) - # foo account should be debited, but bar account should not: - assert_equal(self.nodes[0].getbalance("foo"), 1220-1210) - assert_equal(self.nodes[0].getbalance("bar"), 30) - - # Node1's "from" account balance should be just the mutated send: - assert_equal(self.nodes[1].getbalance("from0"), 1210) + # Final "" balance is starting_balance - amount moved to accounts - doublespend + subsidies + + # fees (which are negative) + assert_equal(self.nodes[0].getbalance("foo"), 1219) + assert_equal(self.nodes[0].getbalance("bar"), 29) + assert_equal(self.nodes[0].getbalance(""), starting_balance + -1219 + - 29 + -1240 + + 100 + + fund_foo_tx["fee"] + + fund_bar_tx["fee"] + + doublespend_fee) + + # Node1's "from0" account balance should be just the doublespend: + assert_equal(self.nodes[1].getbalance("from0"), 1240) if __name__ == '__main__': TxnMallTest().main() + |