3fc6846181
- Add license headers to source files (years based on commit dates) in `src/test` as well as `qa` - Add `README.md` to `src/test/data` specifying MIT license Fixes #3848
140 lines
4.6 KiB
Python
140 lines
4.6 KiB
Python
# Copyright (c) 2014 The Bitcoin Core developers
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Helpful routines for regression testing
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#
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# Add python-bitcoinrpc to module search path:
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import os
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import sys
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sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), "python-bitcoinrpc"))
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from decimal import Decimal
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import json
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import shutil
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import subprocess
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import time
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from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
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from util import *
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START_P2P_PORT=11000
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START_RPC_PORT=11100
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def check_json_precision():
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"""Make sure json library being used does not lose precision converting BTC values"""
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n = Decimal("20000000.00000003")
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satoshis = int(json.loads(json.dumps(float(n)))*1.0e8)
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if satoshis != 2000000000000003:
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raise RuntimeError("JSON encode/decode loses precision")
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def sync_blocks(rpc_connections):
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"""
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Wait until everybody has the same block count
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"""
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while True:
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counts = [ x.getblockcount() for x in rpc_connections ]
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if counts == [ counts[0] ]*len(counts):
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break
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time.sleep(1)
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def sync_mempools(rpc_connections):
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"""
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Wait until everybody has the same transactions in their memory
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pools
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"""
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while True:
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pool = set(rpc_connections[0].getrawmempool())
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num_match = 1
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for i in range(1, len(rpc_connections)):
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if set(rpc_connections[i].getrawmempool()) == pool:
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num_match = num_match+1
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if num_match == len(rpc_connections):
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break
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time.sleep(1)
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def initialize_chain(test_dir):
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"""
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Create (or copy from cache) a 200-block-long chain and
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4 wallets.
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bitcoind and bitcoin-cli must be in search path.
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"""
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if not os.path.isdir(os.path.join("cache", "node0")):
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# Create cache directories, run bitcoinds:
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bitcoinds = []
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for i in range(4):
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datadir = os.path.join("cache", "node"+str(i))
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os.makedirs(datadir)
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with open(os.path.join(datadir, "bitcoin.conf"), 'w') as f:
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f.write("regtest=1\n");
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f.write("rpcuser=rt\n");
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f.write("rpcpassword=rt\n");
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f.write("port="+str(START_P2P_PORT+i)+"\n");
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f.write("rpcport="+str(START_RPC_PORT+i)+"\n");
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args = [ "bitcoind", "-keypool=1", "-datadir="+datadir ]
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if i > 0:
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args.append("-connect=127.0.0.1:"+str(START_P2P_PORT))
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bitcoinds.append(subprocess.Popen(args))
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subprocess.check_output([ "bitcoin-cli", "-datadir="+datadir,
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"-rpcwait", "getblockcount"])
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rpcs = []
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for i in range(4):
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try:
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url = "http://rt:rt@127.0.0.1:%d"%(START_RPC_PORT+i,)
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rpcs.append(AuthServiceProxy(url))
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except:
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sys.stderr.write("Error connecting to "+url+"\n")
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sys.exit(1)
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import pdb; pdb.set_trace()
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# Create a 200-block-long chain; each of the 4 nodes
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# gets 25 mature blocks and 25 immature.
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for i in range(4):
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rpcs[i].setgenerate(True, 25)
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sync_blocks(rpcs)
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for i in range(4):
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rpcs[i].setgenerate(True, 25)
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sync_blocks(rpcs)
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# Shut them down
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for i in range(4):
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rpcs[i].stop()
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for i in range(4):
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from_dir = os.path.join("cache", "node"+str(i))
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to_dir = os.path.join(test_dir, "node"+str(i))
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shutil.copytree(from_dir, to_dir)
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bitcoind_processes = []
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def start_nodes(num_nodes, dir):
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# Start bitcoinds, and wait for RPC interface to be up and running:
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for i in range(num_nodes):
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datadir = os.path.join(dir, "node"+str(i))
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args = [ "bitcoind", "-datadir="+datadir ]
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bitcoind_processes.append(subprocess.Popen(args))
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subprocess.check_output([ "bitcoin-cli", "-datadir="+datadir,
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"-rpcwait", "getblockcount"])
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# Create&return JSON-RPC connections
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rpc_connections = []
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for i in range(num_nodes):
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url = "http://rt:rt@127.0.0.1:%d"%(START_RPC_PORT+i,)
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rpc_connections.append(AuthServiceProxy(url))
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return rpc_connections
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def stop_nodes():
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for process in bitcoind_processes:
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process.kill()
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def connect_nodes(from_connection, node_num):
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ip_port = "127.0.0.1:"+str(START_P2P_PORT+node_num)
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from_connection.addnode(ip_port, "onetry")
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def assert_equal(thing1, thing2):
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if thing1 != thing2:
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raise AssertionError("%s != %s"%(str(thing1),str(thing2)))
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