diff options
Diffstat (limited to 'qa/rpc-tests/smartfees.py')
| -rwxr-xr-x | qa/rpc-tests/smartfees.py | 195 |
1 files changed, 71 insertions, 124 deletions
diff --git a/qa/rpc-tests/smartfees.py b/qa/rpc-tests/smartfees.py index e8abbfba19..352a1de2d0 100755 --- a/qa/rpc-tests/smartfees.py +++ b/qa/rpc-tests/smartfees.py @@ -4,139 +4,86 @@ # Test fee estimation code # -# Add python-bitcoinrpc to module search path: -import os -import sys -sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), "python-bitcoinrpc")) - -import json -import random -import shutil -import subprocess -import tempfile -import traceback - +from test_framework import BitcoinTestFramework from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException from util import * +class EstimateFeeTest(BitcoinTestFramework): -def run_test(nodes, test_dir): - nodes.append(start_node(0, test_dir, + def setup_network(self, test_dir): + nodes = [] + nodes.append(start_node(0, test_dir, ["-debug=mempool", "-debug=estimatefee"])) - # Node1 mines small-but-not-tiny blocks, and allows free transactions. - # NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes, - # so blockmaxsize of 2,000 is really just 1,000 bytes (room enough for - # 6 or 7 transactions) - nodes.append(start_node(1, test_dir, - ["-blockprioritysize=1500", "-blockmaxsize=2000", - "-debug=mempool", "-debug=estimatefee"])) - connect_nodes(nodes[1], 0) - - # Node2 is a stingy miner, that - # produces very small blocks (room for only 3 or so transactions) - node2args = [ "-blockprioritysize=0", "-blockmaxsize=1500", - "-debug=mempool", "-debug=estimatefee"] - nodes.append(start_node(2, test_dir, node2args)) - connect_nodes(nodes[2], 0) - - sync_blocks(nodes) - - # Prime the memory pool with pairs of transactions - # (high-priority, random fee and zero-priority, random fee) - min_fee = Decimal("0.001") - fees_per_kb = []; - for i in range(12): - (txid, txhex, fee) = random_zeropri_transaction(nodes, Decimal("1.1"), - min_fee, min_fee, 20) - tx_kbytes = (len(txhex)/2)/1000.0 - fees_per_kb.append(float(fee)/tx_kbytes) - - # Mine blocks with node2 until the memory pool clears: - count_start = nodes[2].getblockcount() - while len(nodes[2].getrawmempool()) > 0: - nodes[2].setgenerate(True, 1) - sync_blocks(nodes) - - all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] - print("Fee estimates, super-stingy miner: "+str([str(e) for e in all_estimates])) - - # Estimates should be within the bounds of what transactions fees actually were: - delta = 1.0e-6 # account for rounding error - for e in filter(lambda x: x >= 0, all_estimates): - if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb): - raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb)) + # Node1 mines small-but-not-tiny blocks, and allows free transactions. + # NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes, + # so blockmaxsize of 2,000 is really just 1,000 bytes (room enough for + # 6 or 7 transactions) + nodes.append(start_node(1, test_dir, + ["-blockprioritysize=1500", "-blockmaxsize=2000", + "-debug=mempool", "-debug=estimatefee"])) + connect_nodes(nodes[1], 0) + + # Node2 is a stingy miner, that + # produces very small blocks (room for only 3 or so transactions) + node2args = [ "-blockprioritysize=0", "-blockmaxsize=1500", + "-debug=mempool", "-debug=estimatefee"] + nodes.append(start_node(2, test_dir, node2args)) + connect_nodes(nodes[2], 0) - # Generate transactions while mining 30 more blocks, this time with node1: - for i in range(30): - for j in range(random.randrange(6-4,6+4)): - (txid, txhex, fee) = random_transaction(nodes, Decimal("1.1"), - Decimal("0.0"), min_fee, 20) + sync_blocks(nodes) + return nodes + + + def run_test(self, nodes): + # Prime the memory pool with pairs of transactions + # (high-priority, random fee and zero-priority, random fee) + min_fee = Decimal("0.001") + fees_per_kb = []; + for i in range(12): + (txid, txhex, fee) = random_zeropri_transaction(nodes, Decimal("1.1"), + min_fee, min_fee, 20) tx_kbytes = (len(txhex)/2)/1000.0 fees_per_kb.append(float(fee)/tx_kbytes) - nodes[1].setgenerate(True, 1) - sync_blocks(nodes) - all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] - print("Fee estimates, more generous miner: "+str([ str(e) for e in all_estimates])) - for e in filter(lambda x: x >= 0, all_estimates): - if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb): - raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb)) - - # Finish by mining a normal-sized block: - while len(nodes[0].getrawmempool()) > 0: - nodes[0].setgenerate(True, 1) - sync_blocks(nodes) + # Mine blocks with node2 until the memory pool clears: + count_start = nodes[2].getblockcount() + while len(nodes[2].getrawmempool()) > 0: + nodes[2].setgenerate(True, 1) + sync_blocks(nodes) + + all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] + print("Fee estimates, super-stingy miner: "+str([str(e) for e in all_estimates])) + + # Estimates should be within the bounds of what transactions fees actually were: + delta = 1.0e-6 # account for rounding error + for e in filter(lambda x: x >= 0, all_estimates): + if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb): + raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb)) + + # Generate transactions while mining 30 more blocks, this time with node1: + for i in range(30): + for j in range(random.randrange(6-4,6+4)): + (txid, txhex, fee) = random_transaction(nodes, Decimal("1.1"), + Decimal("0.0"), min_fee, 20) + tx_kbytes = (len(txhex)/2)/1000.0 + fees_per_kb.append(float(fee)/tx_kbytes) + nodes[1].setgenerate(True, 1) + sync_blocks(nodes) + + all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] + print("Fee estimates, more generous miner: "+str([ str(e) for e in all_estimates])) + for e in filter(lambda x: x >= 0, all_estimates): + if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb): + raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb)) + + # Finish by mining a normal-sized block: + while len(nodes[0].getrawmempool()) > 0: + nodes[0].setgenerate(True, 1) + sync_blocks(nodes) + + final_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] + print("Final fee estimates: "+str([ str(e) for e in final_estimates])) - final_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ] - print("Final fee estimates: "+str([ str(e) for e in final_estimates])) - -def main(): - import optparse - - parser = optparse.OptionParser(usage="%prog [options]") - parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true", - help="Leave bitcoinds and test.* datadir on exit or error") - parser.add_option("--srcdir", dest="srcdir", default="../../src", - help="Source directory containing bitcoind/bitcoin-cli (default: %default%)") - parser.add_option("--tmpdir", dest="tmpdir", default=tempfile.mkdtemp(prefix="test"), - help="Root directory for datadirs") - (options, args) = parser.parse_args() - - os.environ['PATH'] = options.srcdir+":"+os.environ['PATH'] - - check_json_precision() - - success = False - nodes = [] - try: - print("Initializing test directory "+options.tmpdir) - print(" node0 running at: 127.0.0.1:%d"%(p2p_port(0))) - if not os.path.isdir(options.tmpdir): - os.makedirs(options.tmpdir) - initialize_chain(options.tmpdir) - - run_test(nodes, options.tmpdir) - - success = True - - except AssertionError as e: - print("Assertion failed: "+e.message) - except Exception as e: - print("Unexpected exception caught during testing: "+str(e)) - traceback.print_tb(sys.exc_info()[2]) - - if not options.nocleanup: - print("Cleaning up") - stop_nodes(nodes) - wait_bitcoinds() - shutil.rmtree(options.tmpdir) - - if success: - print("Tests successful") - sys.exit(0) - else: - print("Failed") - sys.exit(1) if __name__ == '__main__': - main() + EstimateFeeTest().main() |