You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
157 lines
7.5 KiB
157 lines
7.5 KiB
#!/usr/bin/env python3 |
|
# Copyright (c) 2015-2019 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 the prioritisetransaction mining RPC.""" |
|
|
|
import time |
|
|
|
from test_framework.messages import COIN, MAX_BLOCK_BASE_SIZE |
|
from test_framework.test_framework import BitcoinTestFramework |
|
from test_framework.util import assert_equal, assert_raises_rpc_error, create_confirmed_utxos, create_lots_of_big_transactions, gen_return_txouts |
|
|
|
class PrioritiseTransactionTest(BitcoinTestFramework): |
|
def set_test_params(self): |
|
self.setup_clean_chain = True |
|
self.num_nodes = 2 |
|
self.extra_args = [[ |
|
"-printpriority=1", |
|
"-acceptnonstdtxn=1", |
|
]] * self.num_nodes |
|
self.supports_cli = False |
|
|
|
def skip_test_if_missing_module(self): |
|
self.skip_if_no_wallet() |
|
|
|
def run_test(self): |
|
# Test `prioritisetransaction` required parameters |
|
assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction) |
|
assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '') |
|
assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '', 0) |
|
|
|
# Test `prioritisetransaction` invalid extra parameters |
|
assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '', 0, 0, 0) |
|
|
|
# Test `prioritisetransaction` invalid `txid` |
|
assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].prioritisetransaction, txid='foo', fee_delta=0) |
|
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'Zd1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000')", self.nodes[0].prioritisetransaction, txid='Zd1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000', fee_delta=0) |
|
|
|
# Test `prioritisetransaction` invalid `dummy` |
|
txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000' |
|
assert_raises_rpc_error(-1, "JSON value is not a number as expected", self.nodes[0].prioritisetransaction, txid, 'foo', 0) |
|
assert_raises_rpc_error(-8, "Priority is no longer supported, dummy argument to prioritisetransaction must be 0.", self.nodes[0].prioritisetransaction, txid, 1, 0) |
|
|
|
# Test `prioritisetransaction` invalid `fee_delta` |
|
assert_raises_rpc_error(-1, "JSON value is not an integer as expected", self.nodes[0].prioritisetransaction, txid=txid, fee_delta='foo') |
|
|
|
self.txouts = gen_return_txouts() |
|
self.relayfee = self.nodes[0].getnetworkinfo()['relayfee'] |
|
|
|
utxo_count = 90 |
|
utxos = create_confirmed_utxos(self.relayfee, self.nodes[0], utxo_count) |
|
base_fee = self.relayfee*100 # our transactions are smaller than 100kb |
|
txids = [] |
|
|
|
# Create 3 batches of transactions at 3 different fee rate levels |
|
range_size = utxo_count // 3 |
|
for i in range(3): |
|
txids.append([]) |
|
start_range = i * range_size |
|
end_range = start_range + range_size |
|
txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[start_range:end_range], end_range - start_range, (i+1)*base_fee) |
|
|
|
# Make sure that the size of each group of transactions exceeds |
|
# MAX_BLOCK_BASE_SIZE -- otherwise the test needs to be revised to create |
|
# more transactions. |
|
mempool = self.nodes[0].getrawmempool(True) |
|
sizes = [0, 0, 0] |
|
for i in range(3): |
|
for j in txids[i]: |
|
assert j in mempool |
|
sizes[i] += mempool[j]['vsize'] |
|
assert sizes[i] > MAX_BLOCK_BASE_SIZE # Fail => raise utxo_count |
|
|
|
# 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 |
|
self.nodes[0].prioritisetransaction(txid=txids[0][0], fee_delta=int(3*base_fee*COIN)) |
|
|
|
self.nodes[0].generate(1) |
|
|
|
mempool = self.nodes[0].getrawmempool() |
|
self.log.info("Assert that prioritised transaction was mined") |
|
assert txids[0][0] not in mempool |
|
assert txids[0][1] in mempool |
|
|
|
high_fee_tx = None |
|
for x in txids[2]: |
|
if x not in mempool: |
|
high_fee_tx = x |
|
|
|
# Something high-fee should have been mined! |
|
assert high_fee_tx is not None |
|
|
|
# Add a prioritisation before a tx is in the mempool (de-prioritising a |
|
# high-fee transaction so that it's now low fee). |
|
self.nodes[0].prioritisetransaction(txid=high_fee_tx, fee_delta=-int(2*base_fee*COIN)) |
|
|
|
# Add everything back to mempool |
|
self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash()) |
|
|
|
# Check to make sure our high fee rate tx is back in the mempool |
|
mempool = self.nodes[0].getrawmempool() |
|
assert high_fee_tx in mempool |
|
|
|
# Now verify the modified-high feerate transaction isn't mined before |
|
# the other high fee transactions. Keep mining until our mempool has |
|
# decreased by all the high fee size that we calculated above. |
|
while (self.nodes[0].getmempoolinfo()['bytes'] > sizes[0] + sizes[1]): |
|
self.nodes[0].generate(1) |
|
|
|
# High fee transaction should not have been mined, but other high fee rate |
|
# transactions should have been. |
|
mempool = self.nodes[0].getrawmempool() |
|
self.log.info("Assert that de-prioritised transaction is still in mempool") |
|
assert high_fee_tx in mempool |
|
for x in txids[2]: |
|
if (x != high_fee_tx): |
|
assert x not in mempool |
|
|
|
# Create a free 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"] |
|
raw_tx = self.nodes[0].createrawtransaction(inputs, outputs) |
|
tx_hex = self.nodes[0].signrawtransactionwithwallet(raw_tx)["hex"] |
|
tx_id = self.nodes[0].decoderawtransaction(tx_hex)["txid"] |
|
|
|
# This will raise an exception due to min relay fee not being met |
|
assert_raises_rpc_error(-26, "min relay fee not met", self.nodes[0].sendrawtransaction, tx_hex) |
|
assert tx_id not in self.nodes[0].getrawmempool() |
|
|
|
# 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(txid=tx_id, fee_delta=int(self.relayfee*COIN)) |
|
|
|
self.log.info("Assert that prioritised free transaction is accepted to mempool") |
|
assert_equal(self.nodes[0].sendrawtransaction(tx_hex), tx_id) |
|
assert tx_id in self.nodes[0].getrawmempool() |
|
|
|
# Test that calling prioritisetransaction is sufficient to trigger |
|
# getblocktemplate to (eventually) return a new block. |
|
mock_time = int(time.time()) |
|
self.nodes[0].setmocktime(mock_time) |
|
template = self.nodes[0].getblocktemplate({'rules': ['segwit']}) |
|
self.nodes[0].prioritisetransaction(txid=tx_id, fee_delta=-int(self.relayfee*COIN)) |
|
self.nodes[0].setmocktime(mock_time+10) |
|
new_template = self.nodes[0].getblocktemplate({'rules': ['segwit']}) |
|
|
|
assert template != new_template |
|
|
|
if __name__ == '__main__': |
|
PrioritiseTransactionTest().main()
|
|
|