diff options
Diffstat (limited to 'qa')
-rwxr-xr-x | qa/pull-tester/rpc-tests.py | 10 | ||||
-rw-r--r-- | qa/rpc-tests/README.md | 5 | ||||
-rwxr-xr-x | qa/rpc-tests/bip65-cltv-p2p.py | 4 | ||||
-rwxr-xr-x | qa/rpc-tests/decodescript.py | 4 | ||||
-rwxr-xr-x | qa/rpc-tests/invalidblockrequest.py | 6 | ||||
-rwxr-xr-x | qa/rpc-tests/invalidtxrequest.py | 76 | ||||
-rwxr-xr-x | qa/rpc-tests/maxblocksinflight.py | 1 | ||||
-rwxr-xr-x | qa/rpc-tests/maxuploadtarget.py | 18 | ||||
-rwxr-xr-x | qa/rpc-tests/mempool_limit.py | 53 | ||||
-rwxr-xr-x | qa/rpc-tests/mempool_packages.py | 24 | ||||
-rwxr-xr-x | qa/rpc-tests/p2p-acceptblock.py | 1 | ||||
-rwxr-xr-x | qa/rpc-tests/p2p-fullblocktest.py | 157 | ||||
-rwxr-xr-x | qa/rpc-tests/prioritise_transaction.py | 107 | ||||
-rwxr-xr-x | qa/rpc-tests/pruning.py | 19 | ||||
-rwxr-xr-x | qa/rpc-tests/replace-by-fee.py | 80 | ||||
-rwxr-xr-x | qa/rpc-tests/sendheaders.py | 3 | ||||
-rwxr-xr-x | qa/rpc-tests/test_framework/comptool.py | 41 | ||||
-rwxr-xr-x | qa/rpc-tests/test_framework/mininode.py | 25 | ||||
-rw-r--r-- | qa/rpc-tests/test_framework/script.py | 8 | ||||
-rwxr-xr-x | qa/rpc-tests/test_framework/test_framework.py | 2 | ||||
-rw-r--r-- | qa/rpc-tests/test_framework/util.py | 69 |
21 files changed, 551 insertions, 162 deletions
diff --git a/qa/pull-tester/rpc-tests.py b/qa/pull-tester/rpc-tests.py index a5b08347a2..669c508ccd 100755 --- a/qa/pull-tester/rpc-tests.py +++ b/qa/pull-tester/rpc-tests.py @@ -62,8 +62,10 @@ for arg in sys.argv[1:]: #Set env vars buildDir = BUILDDIR -os.environ["BITCOIND"] = buildDir + '/src/bitcoind' + EXEEXT -os.environ["BITCOINCLI"] = buildDir + '/src/bitcoin-cli' + EXEEXT +if "BITCOIND" not in os.environ: + os.environ["BITCOIND"] = buildDir + '/src/bitcoind' + EXEEXT +if "BITCOINCLI" not in os.environ: + os.environ["BITCOINCLI"] = buildDir + '/src/bitcoin-cli' + EXEEXT #Disable Windows tests by default if EXEEXT == ".exe" and "-win" not in opts: @@ -83,6 +85,7 @@ testScripts = [ 'rest.py', 'mempool_spendcoinbase.py', 'mempool_reorg.py', + 'mempool_limit.py', 'httpbasics.py', 'multi_rpc.py', 'zapwallettxes.py', @@ -100,6 +103,8 @@ testScripts = [ 'sendheaders.py', 'keypool.py', 'prioritise_transaction.py', + 'invalidblockrequest.py', + 'invalidtxrequest.py', ] testScriptsExt = [ 'bip65-cltv.py', @@ -116,7 +121,6 @@ testScriptsExt = [ # 'rpcbind_test.py', #temporary, bug in libevent, see #6655 'smartfees.py', 'maxblocksinflight.py', - 'invalidblockrequest.py', 'p2p-acceptblock.py', 'mempool_packages.py', 'maxuploadtarget.py', diff --git a/qa/rpc-tests/README.md b/qa/rpc-tests/README.md index 898931936b..651b01f18a 100644 --- a/qa/rpc-tests/README.md +++ b/qa/rpc-tests/README.md @@ -47,10 +47,7 @@ implements the test logic. * ```NodeConn``` is the class used to connect to a bitcoind. If you implement a callback class that derives from ```NodeConnCB``` and pass that to the ```NodeConn``` object, your code will receive the appropriate callbacks when -events of interest arrive. NOTE: be sure to call -```self.create_callback_map()``` in your derived classes' ```__init__``` -function, so that the correct mappings are set up between p2p messages and your -callback functions. +events of interest arrive. * You can pass the same handler to multiple ```NodeConn```'s if you like, or pass different ones to each -- whatever makes the most sense for your test. diff --git a/qa/rpc-tests/bip65-cltv-p2p.py b/qa/rpc-tests/bip65-cltv-p2p.py index 9ca5c69f16..5bb41df1ad 100755 --- a/qa/rpc-tests/bip65-cltv-p2p.py +++ b/qa/rpc-tests/bip65-cltv-p2p.py @@ -9,7 +9,7 @@ from test_framework.util import * from test_framework.mininode import CTransaction, NetworkThread from test_framework.blocktools import create_coinbase, create_block from test_framework.comptool import TestInstance, TestManager -from test_framework.script import CScript, OP_1NEGATE, OP_NOP2, OP_DROP +from test_framework.script import CScript, OP_1NEGATE, OP_CHECKLOCKTIMEVERIFY, OP_DROP from binascii import hexlify, unhexlify import cStringIO import time @@ -19,7 +19,7 @@ def cltv_invalidate(tx): Prepends -1 CLTV DROP in the scriptSig itself. ''' - tx.vin[0].scriptSig = CScript([OP_1NEGATE, OP_NOP2, OP_DROP] + + tx.vin[0].scriptSig = CScript([OP_1NEGATE, OP_CHECKLOCKTIMEVERIFY, OP_DROP] + list(CScript(tx.vin[0].scriptSig))) ''' diff --git a/qa/rpc-tests/decodescript.py b/qa/rpc-tests/decodescript.py index 4bca623380..490808d49d 100755 --- a/qa/rpc-tests/decodescript.py +++ b/qa/rpc-tests/decodescript.py @@ -102,13 +102,13 @@ class DecodeScriptTest(BitcoinTestFramework): # OP_IF # <receiver-pubkey> OP_CHECKSIGVERIFY # OP_ELSE - # <lock-until> OP_NOP2 OP_DROP + # <lock-until> OP_CHECKLOCKTIMEVERIFY OP_DROP # OP_ENDIF # <sender-pubkey> OP_CHECKSIG # # lock until block 500,000 rpc_result = self.nodes[0].decodescript('63' + push_public_key + 'ad670320a107b17568' + push_public_key + 'ac') - assert_equal('OP_IF ' + public_key + ' OP_CHECKSIGVERIFY OP_ELSE 500000 OP_NOP2 OP_DROP OP_ENDIF ' + public_key + ' OP_CHECKSIG', rpc_result['asm']) + assert_equal('OP_IF ' + public_key + ' OP_CHECKSIGVERIFY OP_ELSE 500000 OP_CHECKLOCKTIMEVERIFY OP_DROP OP_ENDIF ' + public_key + ' OP_CHECKSIG', rpc_result['asm']) def decoderawtransaction_asm_sighashtype(self): """Tests decoding scripts via RPC command "decoderawtransaction". diff --git a/qa/rpc-tests/invalidblockrequest.py b/qa/rpc-tests/invalidblockrequest.py index 6a7980cd45..a74ecb1288 100755 --- a/qa/rpc-tests/invalidblockrequest.py +++ b/qa/rpc-tests/invalidblockrequest.py @@ -6,7 +6,7 @@ from test_framework.test_framework import ComparisonTestFramework from test_framework.util import * -from test_framework.comptool import TestManager, TestInstance +from test_framework.comptool import TestManager, TestInstance, RejectResult from test_framework.mininode import * from test_framework.blocktools import * import logging @@ -97,7 +97,7 @@ class InvalidBlockRequestTest(ComparisonTestFramework): assert(block2_orig.vtx != block2.vtx) self.tip = block2.sha256 - yield TestInstance([[block2, False], [block2_orig, True]]) + yield TestInstance([[block2, RejectResult(16,'bad-txns-duplicate')], [block2_orig, True]]) height += 1 ''' @@ -112,7 +112,7 @@ class InvalidBlockRequestTest(ComparisonTestFramework): block3.rehash() block3.solve() - yield TestInstance([[block3, False]]) + yield TestInstance([[block3, RejectResult(16,'bad-cb-amount')]]) if __name__ == '__main__': diff --git a/qa/rpc-tests/invalidtxrequest.py b/qa/rpc-tests/invalidtxrequest.py new file mode 100755 index 0000000000..d17b3d0980 --- /dev/null +++ b/qa/rpc-tests/invalidtxrequest.py @@ -0,0 +1,76 @@ +#!/usr/bin/env python2 +# +# Distributed under the MIT/X11 software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +# + +from test_framework.test_framework import ComparisonTestFramework +from test_framework.util import * +from test_framework.comptool import TestManager, TestInstance, RejectResult +from test_framework.mininode import * +from test_framework.blocktools import * +import logging +import copy +import time + + +''' +In this test we connect to one node over p2p, and test tx requests. +''' + +# Use the ComparisonTestFramework with 1 node: only use --testbinary. +class InvalidTxRequestTest(ComparisonTestFramework): + + ''' Can either run this test as 1 node with expected answers, or two and compare them. + Change the "outcome" variable from each TestInstance object to only do the comparison. ''' + def __init__(self): + self.num_nodes = 1 + + def run_test(self): + test = TestManager(self, self.options.tmpdir) + test.add_all_connections(self.nodes) + self.tip = None + self.block_time = None + NetworkThread().start() # Start up network handling in another thread + test.run() + + def get_tests(self): + if self.tip is None: + self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0) + self.block_time = int(time.time())+1 + + ''' + Create a new block with an anyone-can-spend coinbase + ''' + height = 1 + block = create_block(self.tip, create_coinbase(height), self.block_time) + self.block_time += 1 + block.solve() + # Save the coinbase for later + self.block1 = block + self.tip = block.sha256 + height += 1 + yield TestInstance([[block, True]]) + + ''' + Now we need that block to mature so we can spend the coinbase. + ''' + test = TestInstance(sync_every_block=False) + for i in xrange(100): + block = create_block(self.tip, create_coinbase(height), self.block_time) + block.solve() + self.tip = block.sha256 + self.block_time += 1 + test.blocks_and_transactions.append([block, True]) + height += 1 + yield test + + # chr(100) is OP_NOTIF + # Transaction will be rejected with code 16 (REJECT_INVALID) + tx1 = create_transaction(self.block1.vtx[0], 0, chr(100), 50*100000000) + yield TestInstance([[tx1, RejectResult(16, 'mandatory-script-verify-flag-failed')]]) + + # TODO: test further transactions... + +if __name__ == '__main__': + InvalidTxRequestTest().main() diff --git a/qa/rpc-tests/maxblocksinflight.py b/qa/rpc-tests/maxblocksinflight.py index a601147ce8..1a9ae480ab 100755 --- a/qa/rpc-tests/maxblocksinflight.py +++ b/qa/rpc-tests/maxblocksinflight.py @@ -34,7 +34,6 @@ class TestManager(NodeConnCB): def __init__(self): NodeConnCB.__init__(self) self.log = logging.getLogger("BlockRelayTest") - self.create_callback_map() def add_new_connection(self, connection): self.connection = connection diff --git a/qa/rpc-tests/maxuploadtarget.py b/qa/rpc-tests/maxuploadtarget.py index e714465db1..4d6b343f77 100755 --- a/qa/rpc-tests/maxuploadtarget.py +++ b/qa/rpc-tests/maxuploadtarget.py @@ -25,7 +25,6 @@ if uploadtarget has been reached. class TestNode(NodeConnCB): def __init__(self): NodeConnCB.__init__(self) - self.create_callback_map() self.connection = None self.ping_counter = 1 self.last_pong = msg_pong() @@ -85,22 +84,7 @@ class TestNode(NodeConnCB): class MaxUploadTest(BitcoinTestFramework): def __init__(self): self.utxo = [] - - # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create - # So we have big transactions and full blocks to fill up our block files - # create one script_pubkey - script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes - for i in xrange (512): - script_pubkey = script_pubkey + "01" - # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change - self.txouts = "81" - for k in xrange(128): - # add txout value - self.txouts = self.txouts + "0000000000000000" - # add length of script_pubkey - self.txouts = self.txouts + "fd0402" - # add script_pubkey - self.txouts = self.txouts + script_pubkey + self.txouts = gen_return_txouts() def add_options(self, parser): parser.add_option("--testbinary", dest="testbinary", diff --git a/qa/rpc-tests/mempool_limit.py b/qa/rpc-tests/mempool_limit.py new file mode 100755 index 0000000000..3ba17ac4f1 --- /dev/null +++ b/qa/rpc-tests/mempool_limit.py @@ -0,0 +1,53 @@ +#!/usr/bin/env python2 +# Copyright (c) 2014-2015 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 mempool limiting together/eviction with the wallet + +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import * + +class MempoolLimitTest(BitcoinTestFramework): + + def __init__(self): + self.txouts = gen_return_txouts() + + def setup_network(self): + self.nodes = [] + self.nodes.append(start_node(0, self.options.tmpdir, ["-maxmempool=5", "-spendzeroconfchange=0", "-debug"])) + self.is_network_split = False + self.sync_all() + self.relayfee = self.nodes[0].getnetworkinfo()['relayfee'] + + def setup_chain(self): + print("Initializing test directory "+self.options.tmpdir) + initialize_chain_clean(self.options.tmpdir, 2) + + def run_test(self): + txids = [] + utxos = create_confirmed_utxos(self.relayfee, self.nodes[0], 90) + + #create a mempool tx that will be evicted + us0 = utxos.pop() + inputs = [{ "txid" : us0["txid"], "vout" : us0["vout"]}] + outputs = {self.nodes[0].getnewaddress() : 0.0001} + tx = self.nodes[0].createrawtransaction(inputs, outputs) + txF = self.nodes[0].fundrawtransaction(tx) + txFS = self.nodes[0].signrawtransaction(txF['hex']) + txid = self.nodes[0].sendrawtransaction(txFS['hex']) + self.nodes[0].lockunspent(True, [us0]) + + relayfee = self.nodes[0].getnetworkinfo()['relayfee'] + base_fee = relayfee*100 + for i in xrange (4): + txids.append([]) + txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[30*i:30*i+30], (i+1)*base_fee) + + # by now, the tx should be evicted, check confirmation state + assert(txid not in self.nodes[0].getrawmempool()) + txdata = self.nodes[0].gettransaction(txid); + assert(txdata['confirmations'] == 0) #confirmation should still be 0 + +if __name__ == '__main__': + MempoolLimitTest().main() diff --git a/qa/rpc-tests/mempool_packages.py b/qa/rpc-tests/mempool_packages.py index 34b316a6a3..063308d394 100755 --- a/qa/rpc-tests/mempool_packages.py +++ b/qa/rpc-tests/mempool_packages.py @@ -64,17 +64,41 @@ class MempoolPackagesTest(BitcoinTestFramework): for x in reversed(chain): assert_equal(mempool[x]['descendantcount'], descendant_count) descendant_fees += mempool[x]['fee'] + assert_equal(mempool[x]['modifiedfee'], mempool[x]['fee']) assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees) descendant_size += mempool[x]['size'] assert_equal(mempool[x]['descendantsize'], descendant_size) descendant_count += 1 + # Check that descendant modified fees includes fee deltas from + # prioritisetransaction + self.nodes[0].prioritisetransaction(chain[-1], 0, 1000) + mempool = self.nodes[0].getrawmempool(True) + + descendant_fees = 0 + for x in reversed(chain): + descendant_fees += mempool[x]['fee'] + assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees+1000) + # Adding one more transaction on to the chain should fail. try: self.chain_transaction(self.nodes[0], txid, vout, value, fee, 1) except JSONRPCException as e: print "too-long-ancestor-chain successfully rejected" + # Check that prioritising a tx before it's added to the mempool works + self.nodes[0].generate(1) + self.nodes[0].prioritisetransaction(chain[-1], 0, 2000) + self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash()) + mempool = self.nodes[0].getrawmempool(True) + + descendant_fees = 0 + for x in reversed(chain): + descendant_fees += mempool[x]['fee'] + if (x == chain[-1]): + assert_equal(mempool[x]['modifiedfee'], mempool[x]['fee']+satoshi_round(0.00002)) + assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees+2000) + # TODO: check that node1's mempool is as expected # TODO: test ancestor size limits diff --git a/qa/rpc-tests/p2p-acceptblock.py b/qa/rpc-tests/p2p-acceptblock.py index 700deab207..23872d8494 100755 --- a/qa/rpc-tests/p2p-acceptblock.py +++ b/qa/rpc-tests/p2p-acceptblock.py @@ -62,7 +62,6 @@ The test: class TestNode(NodeConnCB): def __init__(self): NodeConnCB.__init__(self) - self.create_callback_map() self.connection = None self.ping_counter = 1 self.last_pong = msg_pong() diff --git a/qa/rpc-tests/p2p-fullblocktest.py b/qa/rpc-tests/p2p-fullblocktest.py index 9555940cec..a6525e6793 100755 --- a/qa/rpc-tests/p2p-fullblocktest.py +++ b/qa/rpc-tests/p2p-fullblocktest.py @@ -7,7 +7,7 @@ from test_framework.test_framework import ComparisonTestFramework from test_framework.util import * -from test_framework.comptool import TestManager, TestInstance +from test_framework.comptool import TestManager, TestInstance, RejectResult from test_framework.mininode import * from test_framework.blocktools import * import logging @@ -15,7 +15,7 @@ import copy import time import numbers from test_framework.key import CECKey -from test_framework.script import CScript, CScriptOp, SignatureHash, SIGHASH_ALL, OP_TRUE +from test_framework.script import CScript, CScriptOp, SignatureHash, SIGHASH_ALL, OP_TRUE, OP_FALSE class PreviousSpendableOutput(object): def __init__(self, tx = CTransaction(), n = -1): @@ -122,13 +122,29 @@ class FullBlockTest(ComparisonTestFramework): return TestInstance([[self.tip, True]]) # returns a test case that asserts that the current tip was rejected - def rejected(): - return TestInstance([[self.tip, False]]) + def rejected(reject = None): + if reject is None: + return TestInstance([[self.tip, False]]) + else: + return TestInstance([[self.tip, reject]]) # move the tip back to a previous block def tip(number): self.tip = self.blocks[number] + # add transactions to a block produced by next_block + def update_block(block_number, new_transactions): + block = self.blocks[block_number] + old_hash = block.sha256 + self.add_transactions_to_block(block, new_transactions) + block.solve() + # Update the internal state just like in next_block + self.tip = block + self.block_heights[block.sha256] = self.block_heights[old_hash] + del self.block_heights[old_hash] + self.blocks[block_number] = block + return block + # creates a new block and advances the tip to that block block = self.next_block @@ -141,14 +157,15 @@ class FullBlockTest(ComparisonTestFramework): # Now we need that block to mature so we can spend the coinbase. test = TestInstance(sync_every_block=False) - for i in range(100): + for i in range(99): block(1000 + i) test.blocks_and_transactions.append([self.tip, True]) save_spendable_output() yield test - # Start by bulding a couple of blocks on top (which output is spent is in parentheses): + # Start by building a couple of blocks on top (which output is spent is + # in parentheses): # genesis -> b1 (0) -> b2 (1) out0 = get_spendable_output() block(1, spend=out0) @@ -156,8 +173,7 @@ class FullBlockTest(ComparisonTestFramework): yield accepted() out1 = get_spendable_output() - block(2, spend=out1) - # Inv again, then deliver twice (shouldn't break anything). + b2 = block(2, spend=out1) yield accepted() @@ -168,8 +184,8 @@ class FullBlockTest(ComparisonTestFramework): # # Nothing should happen at this point. We saw b2 first so it takes priority. tip(1) - block(3, spend=out1) - # Deliver twice (should still not break anything) + b3 = block(3, spend=out1) + txout_b3 = PreviousSpendableOutput(b3.vtx[1], 1) yield rejected() @@ -214,7 +230,7 @@ class FullBlockTest(ComparisonTestFramework): # \-> b3 (1) -> b4 (2) tip(6) block(9, spend=out4, additional_coinbase_value=1) - yield rejected() + yield rejected(RejectResult(16, 'bad-cb-amount')) # Create a fork that ends in a block with too much fee (the one that causes the reorg) @@ -226,7 +242,7 @@ class FullBlockTest(ComparisonTestFramework): yield rejected() block(11, spend=out4, additional_coinbase_value=1) - yield rejected() + yield rejected(RejectResult(16, 'bad-cb-amount')) # Try again, but with a valid fork first @@ -252,6 +268,10 @@ class FullBlockTest(ComparisonTestFramework): yield TestInstance([[b12, True, b13.sha256]]) # New tip should be b13. + # Add a block with MAX_BLOCK_SIGOPS and one with one more sigop + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) -> b16 (6) + # \-> b3 (1) -> b4 (2) # Test that a block with a lot of checksigs is okay lots_of_checksigs = CScript([OP_CHECKSIG] * (1000000 / 50 - 1)) @@ -264,8 +284,121 @@ class FullBlockTest(ComparisonTestFramework): out6 = get_spendable_output() too_many_checksigs = CScript([OP_CHECKSIG] * (1000000 / 50)) block(16, spend=out6, script=too_many_checksigs) + yield rejected(RejectResult(16, 'bad-blk-sigops')) + + + # Attempt to spend a transaction created on a different fork + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) -> b17 (b3.vtx[1]) + # \-> b3 (1) -> b4 (2) + tip(15) + block(17, spend=txout_b3) + yield rejected(RejectResult(16, 'bad-txns-inputs-missingorspent')) + + # Attempt to spend a transaction created on a different fork (on a fork this time) + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) + # \-> b18 (b3.vtx[1]) -> b19 (6) + # \-> b3 (1) -> b4 (2) + tip(13) + block(18, spend=txout_b3) + yield rejected() + + block(19, spend=out6) yield rejected() + # Attempt to spend a coinbase at depth too low + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) -> b20 (7) + # \-> b3 (1) -> b4 (2) + tip(15) + out7 = get_spendable_output() + block(20, spend=out7) + yield rejected(RejectResult(16, 'bad-txns-premature-spend-of-coinbase')) + + # Attempt to spend a coinbase at depth too low (on a fork this time) + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) + # \-> b21 (6) -> b22 (5) + # \-> b3 (1) -> b4 (2) + tip(13) + block(21, spend=out6) + yield rejected() + + block(22, spend=out5) + yield rejected() + + # Create a block on either side of MAX_BLOCK_SIZE and make sure its accepted/rejected + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) -> b23 (6) + # \-> b24 (6) -> b25 (7) + # \-> b3 (1) -> b4 (2) + tip(15) + b23 = block(23, spend=out6) + old_hash = b23.sha256 + tx = CTransaction() + script_length = MAX_BLOCK_SIZE - len(b23.serialize()) - 69 + script_output = CScript([chr(0)*script_length]) + tx.vout.append(CTxOut(0, script_output)) + tx.vin.append(CTxIn(COutPoint(b23.vtx[1].sha256, 1))) + b23 = update_block(23, [tx]) + # Make sure the math above worked out to produce a max-sized block + assert_equal(len(b23.serialize()), MAX_BLOCK_SIZE) + yield accepted() + + # Make the next block one byte bigger and check that it fails + tip(15) + b24 = block(24, spend=out6) + script_length = MAX_BLOCK_SIZE - len(b24.serialize()) - 69 + script_output = CScript([chr(0)*(script_length+1)]) + tx.vout = [CTxOut(0, script_output)] + b24 = update_block(24, [tx]) + assert_equal(len(b24.serialize()), MAX_BLOCK_SIZE+1) + yield rejected(RejectResult(16, 'bad-blk-length')) + + b25 = block(25, spend=out7) + yield rejected() + + # Create blocks with a coinbase input script size out of range + # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3) + # \-> b12 (3) -> b13 (4) -> b15 (5) -> b23 (6) -> b30 (7) + # \-> ... (6) -> ... (7) + # \-> b3 (1) -> b4 (2) + tip(15) + b26 = block(26, spend=out6) + b26.vtx[0].vin[0].scriptSig = chr(0) + b26.vtx[0].rehash() + # update_block causes the merkle root to get updated, even with no new + # transactions, and updates the required state. + b26 = update_block(26, []) + yield rejected(RejectResult(16, 'bad-cb-length')) + + # Extend the b26 chain to make sure bitcoind isn't accepting b26 + b27 = block(27, spend=out7) + yield rejected() + + # Now try a too-large-coinbase script + tip(15) + b28 = block(28, spend=out6) + b28.vtx[0].vin[0].scriptSig = chr(0)*101 + b28.vtx[0].rehash() + b28 = update_block(28, []) + yield rejected(RejectResult(16, 'bad-cb-length')) + + # Extend the b28 chain to make sure bitcoind isn't accepted b28 + b29 = block(29, spend=out7) + # TODO: Should get a reject message back with "bad-prevblk", except + # there's a bug that prevents this from being detected. Just note + # failure for now, and add the reject result later. + yield rejected() + + # b30 has a max-sized coinbase scriptSig. + tip(23) + b30 = block(30) + b30.vtx[0].vin[0].scriptSig = chr(0)*100 + b30.vtx[0].rehash() + b30 = update_block(30, []) + yield accepted() if __name__ == '__main__': diff --git a/qa/rpc-tests/prioritise_transaction.py b/qa/rpc-tests/prioritise_transaction.py index f376ceee5e..4a79d38da0 100755 --- a/qa/rpc-tests/prioritise_transaction.py +++ b/qa/rpc-tests/prioritise_transaction.py @@ -15,21 +15,7 @@ COIN = 100000000 class PrioritiseTransactionTest(BitcoinTestFramework): def __init__(self): - # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create - # So we have big transactions (and therefore can't fit very many into each block) - # create one script_pubkey - script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes - for i in xrange (512): - script_pubkey = script_pubkey + "01" - # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change - self.txouts = "81" - for k in xrange(128): - # add txout value - self.txouts = self.txouts + "0000000000000000" - # add length of script_pubkey - self.txouts = self.txouts + "fd0402" - # add script_pubkey - self.txouts = self.txouts + script_pubkey + self.txouts = gen_return_txouts() def setup_chain(self): print("Initializing test directory "+self.options.tmpdir) @@ -42,62 +28,15 @@ class PrioritiseTransactionTest(BitcoinTestFramework): self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-printpriority=1"])) self.relayfee = self.nodes[0].getnetworkinfo()['relayfee'] - def create_confirmed_utxos(self, count): - self.nodes[0].generate(int(0.5*count)+101) - utxos = self.nodes[0].listunspent() - iterations = count - len(utxos) - addr1 = self.nodes[0].getnewaddress() - addr2 = self.nodes[0].getnewaddress() - if iterations <= 0: - return utxos - for i in xrange(iterations): - t = utxos.pop() - fee = self.relayfee - inputs = [] - inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) - outputs = {} - send_value = t['amount'] - fee - outputs[addr1] = satoshi_round(send_value/2) - outputs[addr2] = satoshi_round(send_value/2) - raw_tx = self.nodes[0].createrawtransaction(inputs, outputs) - signed_tx = self.nodes[0].signrawtransaction(raw_tx)["hex"] - txid = self.nodes[0].sendrawtransaction(signed_tx) - - while (self.nodes[0].getmempoolinfo()['size'] > 0): - self.nodes[0].generate(1) - - utxos = self.nodes[0].listunspent() - assert(len(utxos) >= count) - return utxos - - def create_lots_of_big_transactions(self, utxos, fee): - addr = self.nodes[0].getnewaddress() - txids = [] - for i in xrange(len(utxos)): - t = utxos.pop() - inputs = [] - inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) - outputs = {} - send_value = t['amount'] - fee - outputs[addr] = satoshi_round(send_value) - rawtx = self.nodes[0].createrawtransaction(inputs, outputs) - newtx = rawtx[0:92] - newtx = newtx + self.txouts - newtx = newtx + rawtx[94:] - signresult = self.nodes[0].signrawtransaction(newtx, None, None, "NONE") - txid = self.nodes[0].sendrawtransaction(signresult["hex"], True) - txids.append(txid) - return txids - def run_test(self): - utxos = self.create_confirmed_utxos(90) + utxos = create_confirmed_utxos(self.relayfee, self.nodes[0], 90) base_fee = self.relayfee*100 # our transactions are smaller than 100kb txids = [] # Create 3 batches of transactions at 3 different fee rate levels for i in xrange(3): txids.append([]) - txids[i] = self.create_lots_of_big_transactions(utxos[30*i:30*i+30], (i+1)*base_fee) + txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[30*i:30*i+30], (i+1)*base_fee) # add a fee delta to something in the cheapest bucket and make sure it gets mined # also check that a different entry in the cheapest bucket is NOT mined (lower @@ -143,5 +82,45 @@ class PrioritiseTransactionTest(BitcoinTestFramework): if (x != high_fee_tx): assert(x not in mempool) + # Create a free, low priority transaction. Should be rejected. + utxo_list = self.nodes[0].listunspent() + assert(len(utxo_list) > 0) + utxo = utxo_list[0] + + inputs = [] + outputs = {} + inputs.append({"txid" : utxo["txid"], "vout" : utxo["vout"]}) + outputs[self.nodes[0].getnewaddress()] = utxo["amount"] - self.relayfee + raw_tx = self.nodes[0].createrawtransaction(inputs, outputs) + tx_hex = self.nodes[0].signrawtransaction(raw_tx)["hex"] + txid = self.nodes[0].sendrawtransaction(tx_hex) + + # A tx that spends an in-mempool tx has 0 priority, so we can use it to + # test the effect of using prioritise transaction for mempool acceptance + inputs = [] + inputs.append({"txid": txid, "vout": 0}) + outputs = {} + outputs[self.nodes[0].getnewaddress()] = utxo["amount"] - self.relayfee + raw_tx2 = self.nodes[0].createrawtransaction(inputs, outputs) + tx2_hex = self.nodes[0].signrawtransaction(raw_tx2)["hex"] + tx2_id = self.nodes[0].decoderawtransaction(tx2_hex)["txid"] + + try: + self.nodes[0].sendrawtransaction(tx2_hex) + except JSONRPCException as exp: + assert_equal(exp.error['code'], -26) # insufficient fee + assert(tx2_id not in self.nodes[0].getrawmempool()) + else: + assert(False) + + # This is a less than 1000-byte transaction, so just set the fee + # to be the minimum for a 1000 byte transaction and check that it is + # accepted. + self.nodes[0].prioritisetransaction(tx2_id, 0, int(self.relayfee*COIN)) + + print "Assert that prioritised free transaction is accepted to mempool" + assert_equal(self.nodes[0].sendrawtransaction(tx2_hex), tx2_id) + assert(tx2_id in self.nodes[0].getrawmempool()) + if __name__ == '__main__': PrioritiseTransactionTest().main() diff --git a/qa/rpc-tests/pruning.py b/qa/rpc-tests/pruning.py index 01b0140620..26ae4af010 100755 --- a/qa/rpc-tests/pruning.py +++ b/qa/rpc-tests/pruning.py @@ -23,24 +23,7 @@ class PruneTest(BitcoinTestFramework): def __init__(self): self.utxo = [] self.address = ["",""] - - # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create - # So we have big transactions and full blocks to fill up our block files - - # create one script_pubkey - script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes - for i in xrange (512): - script_pubkey = script_pubkey + "01" - # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change - self.txouts = "81" - for k in xrange(128): - # add txout value - self.txouts = self.txouts + "0000000000000000" - # add length of script_pubkey - self.txouts = self.txouts + "fd0402" - # add script_pubkey - self.txouts = self.txouts + script_pubkey - + self.txouts = gen_return_txouts() def setup_chain(self): print("Initializing test directory "+self.options.tmpdir) diff --git a/qa/rpc-tests/replace-by-fee.py b/qa/rpc-tests/replace-by-fee.py index 6e9e0b304c..734db33b51 100755 --- a/qa/rpc-tests/replace-by-fee.py +++ b/qa/rpc-tests/replace-by-fee.py @@ -63,8 +63,14 @@ def make_utxo(node, amount, confirmed=True, scriptPubKey=CScript([1])): # If requested, ensure txouts are confirmed. if confirmed: - while len(node.getrawmempool()): + mempool_size = len(node.getrawmempool()) + while mempool_size > 0: node.generate(1) + new_size = len(node.getrawmempool()) + # Error out if we have something stuck in the mempool, as this + # would likely be a bug. + assert(new_size < mempool_size) + mempool_size = new_size return COutPoint(int(txid, 16), 0) @@ -72,7 +78,7 @@ class ReplaceByFeeTest(BitcoinTestFramework): def setup_network(self): self.nodes = [] - self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", + self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-debug", "-relaypriority=0", "-whitelist=127.0.0.1", "-limitancestorcount=50", "-limitancestorsize=101", @@ -108,6 +114,9 @@ class ReplaceByFeeTest(BitcoinTestFramework): print "Running test opt-in..." self.test_opt_in() + print "Running test prioritised transactions..." + self.test_prioritised_transactions() + print "Passed\n" def test_simple_doublespend(self): @@ -513,5 +522,72 @@ class ReplaceByFeeTest(BitcoinTestFramework): # but make sure it is accepted anyway self.nodes[0].sendrawtransaction(tx3c_hex, True) + def test_prioritised_transactions(self): + # Ensure that fee deltas used via prioritisetransaction are + # correctly used by replacement logic + + # 1. Check that feeperkb uses modified fees + tx0_outpoint = make_utxo(self.nodes[0], 1.1*COIN) + + tx1a = CTransaction() + tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0)] + tx1a.vout = [CTxOut(1*COIN, CScript([b'a']))] + tx1a_hex = txToHex(tx1a) + tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True) + + # Higher fee, but the actual fee per KB is much lower. + tx1b = CTransaction() + tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)] + tx1b.vout = [CTxOut(0.001*COIN, CScript([b'a'*740000]))] + tx1b_hex = txToHex(tx1b) + + # Verify tx1b cannot replace tx1a. + try: + tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True) + except JSONRPCException as exp: + assert_equal(exp.error['code'], -26) + else: + assert(False) + + # Use prioritisetransaction to set tx1a's fee to 0. + self.nodes[0].prioritisetransaction(tx1a_txid, 0, int(-0.1*COIN)) + + # Now tx1b should be able to replace tx1a + tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True) + + assert(tx1b_txid in self.nodes[0].getrawmempool()) + + # 2. Check that absolute fee checks use modified fee. + tx1_outpoint = make_utxo(self.nodes[0], 1.1*COIN) + + tx2a = CTransaction() + tx2a.vin = [CTxIn(tx1_outpoint, nSequence=0)] + tx2a.vout = [CTxOut(1*COIN, CScript([b'a']))] + tx2a_hex = txToHex(tx2a) + tx2a_txid = self.nodes[0].sendrawtransaction(tx2a_hex, True) + + # Lower fee, but we'll prioritise it + tx2b = CTransaction() + tx2b.vin = [CTxIn(tx1_outpoint, nSequence=0)] + tx2b.vout = [CTxOut(1.01*COIN, CScript([b'a']))] + tx2b.rehash() + tx2b_hex = txToHex(tx2b) + + # Verify tx2b cannot replace tx2a. + try: + tx2b_txid = self.nodes[0].sendrawtransaction(tx2b_hex, True) + except JSONRPCException as exp: + assert_equal(exp.error['code'], -26) + else: + assert(False) + + # Now prioritise tx2b to have a higher modified fee + self.nodes[0].prioritisetransaction(tx2b.hash, 0, int(0.1*COIN)) + + # tx2b should now be accepted + tx2b_txid = self.nodes[0].sendrawtransaction(tx2b_hex, True) + + assert(tx2b_txid in self.nodes[0].getrawmempool()) + if __name__ == '__main__': ReplaceByFeeTest().main() diff --git a/qa/rpc-tests/sendheaders.py b/qa/rpc-tests/sendheaders.py index d7f4292090..e6e26dbce3 100755 --- a/qa/rpc-tests/sendheaders.py +++ b/qa/rpc-tests/sendheaders.py @@ -70,7 +70,6 @@ f. Announce 1 more header that builds on that fork. class BaseNode(NodeConnCB): def __init__(self): NodeConnCB.__init__(self) - self.create_callback_map() self.connection = None self.last_inv = None self.last_headers = None @@ -389,7 +388,7 @@ class SendHeadersTest(BitcoinTestFramework): # Use getblocks/getdata test_node.send_getblocks(locator = [fork_point]) - assert_equal(test_node.check_last_announcement(inv=new_block_hashes[0:-1]), True) + assert_equal(test_node.check_last_announcement(inv=new_block_hashes), True) test_node.get_data(new_block_hashes) test_node.wait_for_block(new_block_hashes[-1]) diff --git a/qa/rpc-tests/test_framework/comptool.py b/qa/rpc-tests/test_framework/comptool.py index e0b3ce040d..badbc0a1fb 100755 --- a/qa/rpc-tests/test_framework/comptool.py +++ b/qa/rpc-tests/test_framework/comptool.py @@ -41,17 +41,32 @@ def wait_until(predicate, attempts=float('inf'), timeout=float('inf')): return False +class RejectResult(object): + ''' + Outcome that expects rejection of a transaction or block. + ''' + def __init__(self, code, reason=''): + self.code = code + self.reason = reason + def match(self, other): + if self.code != other.code: + return False + return other.reason.startswith(self.reason) + def __repr__(self): + return '%i:%s' % (self.code,self.reason or '*') + class TestNode(NodeConnCB): def __init__(self, block_store, tx_store): NodeConnCB.__init__(self) - self.create_callback_map() self.conn = None self.bestblockhash = None self.block_store = block_store self.block_request_map = {} self.tx_store = tx_store self.tx_request_map = {} + self.block_reject_map = {} + self.tx_reject_map = {} # When the pingmap is non-empty we're waiting for # a response @@ -95,6 +110,12 @@ class TestNode(NodeConnCB): except KeyError: raise AssertionError("Got pong for unknown ping [%s]" % repr(message)) + def on_reject(self, conn, message): + if message.message == 'tx': + self.tx_reject_map[message.data] = RejectResult(message.code, message.reason) + if message.message == 'block': + self.block_reject_map[message.data] = RejectResult(message.code, message.reason) + def send_inv(self, obj): mtype = 2 if isinstance(obj, CBlock) else 1 self.conn.send_message(msg_inv([CInv(mtype, obj.sha256)])) @@ -244,6 +265,15 @@ class TestManager(object): if outcome is None: if c.cb.bestblockhash != self.connections[0].cb.bestblockhash: return False + elif isinstance(outcome, RejectResult): # Check that block was rejected w/ code + if c.cb.bestblockhash == blockhash: + return False + if blockhash not in c.cb.block_reject_map: + print 'Block not in reject map: %064x' % (blockhash) + return False + if not outcome.match(c.cb.block_reject_map[blockhash]): + print 'Block rejected with %s instead of expected %s: %064x' % (c.cb.block_reject_map[blockhash], outcome, blockhash) + return False elif ((c.cb.bestblockhash == blockhash) != outcome): # print c.cb.bestblockhash, blockhash, outcome return False @@ -263,6 +293,15 @@ class TestManager(object): if c.cb.lastInv != self.connections[0].cb.lastInv: # print c.rpc.getrawmempool() return False + elif isinstance(outcome, RejectResult): # Check that tx was rejected w/ code + if txhash in c.cb.lastInv: + return False + if txhash not in c.cb.tx_reject_map: + print 'Tx not in reject map: %064x' % (txhash) + return False + if not outcome.match(c.cb.tx_reject_map[txhash]): + print 'Tx rejected with %s instead of expected %s: %064x' % (c.cb.tx_reject_map[txhash], outcome, txhash) + return False elif ((txhash in c.cb.lastInv) != outcome): # print c.rpc.getrawmempool(), c.cb.lastInv return False diff --git a/qa/rpc-tests/test_framework/mininode.py b/qa/rpc-tests/test_framework/mininode.py index 64985d58e2..8e49b56565 100755 --- a/qa/rpc-tests/test_framework/mininode.py +++ b/qa/rpc-tests/test_framework/mininode.py @@ -36,6 +36,7 @@ MY_VERSION = 60001 # past bip-31 for ping/pong MY_SUBVERSION = "/python-mininode-tester:0.0.1/" MAX_INV_SZ = 50000 +MAX_BLOCK_SIZE = 1000000 # Keep our own socket map for asyncore, so that we can track disconnects # ourselves (to workaround an issue with closing an asyncore socket when @@ -1015,32 +1016,10 @@ class NodeConnCB(object): return time.sleep(0.05) - # Derived classes should call this function once to set the message map - # which associates the derived classes' functions to incoming messages - def create_callback_map(self): - self.cbmap = { - "version": self.on_version, - "verack": self.on_verack, - "addr": self.on_addr, - "alert": self.on_alert, - "inv": self.on_inv, - "getdata": self.on_getdata, - "getblocks": self.on_getblocks, - "tx": self.on_tx, - "block": self.on_block, - "getaddr": self.on_getaddr, - "ping": self.on_ping, - "pong": self.on_pong, - "headers": self.on_headers, - "getheaders": self.on_getheaders, - "reject": self.on_reject, - "mempool": self.on_mempool - } - def deliver(self, conn, message): with mininode_lock: try: - self.cbmap[message.command](conn, message) + getattr(self, 'on_' + message.command)(conn, message) except: print "ERROR delivering %s (%s)" % (repr(message), sys.exc_info()[0]) diff --git a/qa/rpc-tests/test_framework/script.py b/qa/rpc-tests/test_framework/script.py index 0a78cf6fb1..0088876028 100644 --- a/qa/rpc-tests/test_framework/script.py +++ b/qa/rpc-tests/test_framework/script.py @@ -226,7 +226,7 @@ OP_CHECKMULTISIGVERIFY = CScriptOp(0xaf) # expansion OP_NOP1 = CScriptOp(0xb0) -OP_NOP2 = CScriptOp(0xb1) +OP_CHECKLOCKTIMEVERIFY = CScriptOp(0xb1) OP_NOP3 = CScriptOp(0xb2) OP_NOP4 = CScriptOp(0xb3) OP_NOP5 = CScriptOp(0xb4) @@ -353,7 +353,7 @@ VALID_OPCODES = { OP_CHECKMULTISIGVERIFY, OP_NOP1, - OP_NOP2, + OP_CHECKLOCKTIMEVERIFY, OP_NOP3, OP_NOP4, OP_NOP5, @@ -472,7 +472,7 @@ OPCODE_NAMES.update({ OP_CHECKMULTISIG : 'OP_CHECKMULTISIG', OP_CHECKMULTISIGVERIFY : 'OP_CHECKMULTISIGVERIFY', OP_NOP1 : 'OP_NOP1', - OP_NOP2 : 'OP_NOP2', + OP_CHECKLOCKTIMEVERIFY : 'OP_CHECKLOCKTIMEVERIFY', OP_NOP3 : 'OP_NOP3', OP_NOP4 : 'OP_NOP4', OP_NOP5 : 'OP_NOP5', @@ -591,7 +591,7 @@ OPCODES_BY_NAME = { 'OP_CHECKMULTISIG' : OP_CHECKMULTISIG, 'OP_CHECKMULTISIGVERIFY' : OP_CHECKMULTISIGVERIFY, 'OP_NOP1' : OP_NOP1, - 'OP_NOP2' : OP_NOP2, + 'OP_CHECKLOCKTIMEVERIFY' : OP_CHECKLOCKTIMEVERIFY, 'OP_NOP3' : OP_NOP3, 'OP_NOP4' : OP_NOP4, 'OP_NOP5' : OP_NOP5, diff --git a/qa/rpc-tests/test_framework/test_framework.py b/qa/rpc-tests/test_framework/test_framework.py index 60f1dcfdf6..584f318d0b 100755 --- a/qa/rpc-tests/test_framework/test_framework.py +++ b/qa/rpc-tests/test_framework/test_framework.py @@ -120,7 +120,7 @@ class BitcoinTestFramework(object): if self.options.coveragedir: enable_coverage(self.options.coveragedir) - os.environ['PATH'] = self.options.srcdir+":"+os.environ['PATH'] + os.environ['PATH'] = self.options.srcdir+":"+self.options.srcdir+"/qt:"+os.environ['PATH'] check_json_precision() diff --git a/qa/rpc-tests/test_framework/util.py b/qa/rpc-tests/test_framework/util.py index 04e70a75f9..0388e08115 100644 --- a/qa/rpc-tests/test_framework/util.py +++ b/qa/rpc-tests/test_framework/util.py @@ -107,6 +107,7 @@ def initialize_datadir(dirname, n): f.write("rpcpassword=rt\n"); f.write("port="+str(p2p_port(n))+"\n"); f.write("rpcport="+str(rpc_port(n))+"\n"); + f.write("listenonion=0\n"); return datadir def initialize_chain(test_dir): @@ -130,7 +131,7 @@ def initialize_chain(test_dir): # Create cache directories, run bitcoinds: for i in range(4): datadir=initialize_datadir("cache", i) - args = [ os.getenv("BITCOIND", "bitcoind"), "-keypool=1", "-datadir="+datadir, "-discover=0" ] + args = [ os.getenv("BITCOIND", "bitcoind"), "-server", "-keypool=1", "-datadir="+datadir, "-discover=0" ] if i > 0: args.append("-connect=127.0.0.1:"+str(p2p_port(0))) bitcoind_processes[i] = subprocess.Popen(args) @@ -218,7 +219,7 @@ def start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary= if binary is None: binary = os.getenv("BITCOIND", "bitcoind") # RPC tests still depend on free transactions - args = [ binary, "-datadir="+datadir, "-keypool=1", "-discover=0", "-rest", "-blockprioritysize=50000" ] + args = [ binary, "-datadir="+datadir, "-server", "-keypool=1", "-discover=0", "-rest", "-blockprioritysize=50000" ] if extra_args is not None: args.extend(extra_args) bitcoind_processes[i] = subprocess.Popen(args) devnull = open(os.devnull, "w") @@ -408,3 +409,67 @@ def assert_raises(exc, fun, *args, **kwds): def satoshi_round(amount): return Decimal(amount).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN) + +def create_confirmed_utxos(fee, node, count): + node.generate(int(0.5*count)+101) + utxos = node.listunspent() + iterations = count - len(utxos) + addr1 = node.getnewaddress() + addr2 = node.getnewaddress() + if iterations <= 0: + return utxos + for i in xrange(iterations): + t = utxos.pop() + inputs = [] + inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) + outputs = {} + send_value = t['amount'] - fee + outputs[addr1] = satoshi_round(send_value/2) + outputs[addr2] = satoshi_round(send_value/2) + raw_tx = node.createrawtransaction(inputs, outputs) + signed_tx = node.signrawtransaction(raw_tx)["hex"] + txid = node.sendrawtransaction(signed_tx) + + while (node.getmempoolinfo()['size'] > 0): + node.generate(1) + + utxos = node.listunspent() + assert(len(utxos) >= count) + return utxos + +def gen_return_txouts(): + # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create + # So we have big transactions (and therefore can't fit very many into each block) + # create one script_pubkey + script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes + for i in xrange (512): + script_pubkey = script_pubkey + "01" + # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change + txouts = "81" + for k in xrange(128): + # add txout value + txouts = txouts + "0000000000000000" + # add length of script_pubkey + txouts = txouts + "fd0402" + # add script_pubkey + txouts = txouts + script_pubkey + return txouts + +def create_lots_of_big_transactions(node, txouts, utxos, fee): + addr = node.getnewaddress() + txids = [] + for i in xrange(len(utxos)): + t = utxos.pop() + inputs = [] + inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) + outputs = {} + send_value = t['amount'] - fee + outputs[addr] = satoshi_round(send_value) + rawtx = node.createrawtransaction(inputs, outputs) + newtx = rawtx[0:92] + newtx = newtx + txouts + newtx = newtx + rawtx[94:] + signresult = node.signrawtransaction(newtx, None, None, "NONE") + txid = node.sendrawtransaction(signresult["hex"], True) + txids.append(txid) + return txids |