diff options
Diffstat (limited to 'qa/rpc-tests/util.py')
| -rw-r--r-- | qa/rpc-tests/util.py | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/qa/rpc-tests/util.py b/qa/rpc-tests/util.py index c895eb1619..bed7fed8ca 100644 --- a/qa/rpc-tests/util.py +++ b/qa/rpc-tests/util.py @@ -57,12 +57,11 @@ def sync_mempools(rpc_connections): if num_match == len(rpc_connections): break time.sleep(1) - bitcoind_processes = {} -def initialize_datadir(dir, n): - datadir = os.path.join(dir, "node"+str(n)) +def initialize_datadir(dirname, n): + datadir = os.path.join(dirname, "node"+str(n)) if not os.path.isdir(datadir): os.makedirs(datadir) with open(os.path.join(datadir, "bitcoin.conf"), 'w') as f: @@ -103,12 +102,17 @@ def initialize_chain(test_dir): # Create a 200-block-long chain; each of the 4 nodes # gets 25 mature blocks and 25 immature. - for i in range(4): - rpcs[i].setgenerate(True, 25) - sync_blocks(rpcs) - for i in range(4): - rpcs[i].setgenerate(True, 25) - sync_blocks(rpcs) + # blocks are created with timestamps 10 minutes apart, starting + # at 1 Jan 2014 + block_time = 1388534400 + for i in range(2): + for peer in range(4): + for j in range(25): + set_node_times(rpcs, block_time) + rpcs[peer].setgenerate(True, 1) + block_time += 10*60 + # Must sync before next peer starts generating blocks + sync_blocks(rpcs) # Shut them down, and clean up cache directories: stop_nodes(rpcs) @@ -125,6 +129,15 @@ def initialize_chain(test_dir): shutil.copytree(from_dir, to_dir) initialize_datadir(test_dir, i) # Overwrite port/rpcport in bitcoin.conf +def initialize_chain_clean(test_dir, num_nodes): + """ + Create an empty blockchain and num_nodes wallets. + Useful if a test case wants complete control over initialization. + """ + for i in range(num_nodes): + datadir=initialize_datadir(test_dir, i) + + def _rpchost_to_args(rpchost): '''Convert optional IP:port spec to rpcconnect/rpcport args''' if rpchost is None: @@ -145,11 +158,11 @@ def _rpchost_to_args(rpchost): rv += ['-rpcport=' + rpcport] return rv -def start_node(i, dir, extra_args=None, rpchost=None): +def start_node(i, dirname, extra_args=None, rpchost=None): """ Start a bitcoind and return RPC connection to it """ - datadir = os.path.join(dir, "node"+str(i)) + datadir = os.path.join(dirname, "node"+str(i)) args = [ os.getenv("BITCOIND", "bitcoind"), "-datadir="+datadir, "-keypool=1", "-discover=0" ] if extra_args is not None: args.extend(extra_args) bitcoind_processes[i] = subprocess.Popen(args) @@ -163,15 +176,15 @@ def start_node(i, dir, extra_args=None, rpchost=None): proxy.url = url # store URL on proxy for info return proxy -def start_nodes(num_nodes, dir, extra_args=None, rpchost=None): +def start_nodes(num_nodes, dirname, extra_args=None, rpchost=None): """ Start multiple bitcoinds, return RPC connections to them """ if extra_args is None: extra_args = [ None for i in range(num_nodes) ] - return [ start_node(i, dir, extra_args[i], rpchost) for i in range(num_nodes) ] + return [ start_node(i, dirname, extra_args[i], rpchost) for i in range(num_nodes) ] -def log_filename(dir, n_node, logname): - return os.path.join(dir, "node"+str(n_node), "regtest", logname) +def log_filename(dirname, n_node, logname): + return os.path.join(dirname, "node"+str(n_node), "regtest", logname) def stop_node(node, i): node.stop() @@ -179,10 +192,14 @@ def stop_node(node, i): del bitcoind_processes[i] def stop_nodes(nodes): - for i in range(len(nodes)): - nodes[i].stop() + for node in nodes: + node.stop() del nodes[:] # Emptying array closes connections as a side effect +def set_node_times(nodes, t): + for node in nodes: + node.setmocktime(t) + def wait_bitcoinds(): # Wait for all bitcoinds to cleanly exit for bitcoind in bitcoind_processes.values(): @@ -212,11 +229,13 @@ def find_output(node, txid, amount): return i raise RuntimeError("find_output txid %s : %s not found"%(txid,str(amount))) -def gather_inputs(from_node, amount_needed): + +def gather_inputs(from_node, amount_needed, confirmations_required=1): """ Return a random set of unspent txouts that are enough to pay amount_needed """ - utxo = from_node.listunspent(1) + assert(confirmations_required >=0) + utxo = from_node.listunspent(confirmations_required) random.shuffle(utxo) inputs = [] total_in = Decimal("0.00000000") @@ -225,7 +244,7 @@ def gather_inputs(from_node, amount_needed): total_in += t["amount"] inputs.append({ "txid" : t["txid"], "vout" : t["vout"], "address" : t["address"] } ) if total_in < amount_needed: - raise RuntimeError("Insufficient funds: need %d, have %d"%(amount+fee*2, total_in)) + raise RuntimeError("Insufficient funds: need %d, have %d"%(amount_needed, total_in)) return (total_in, inputs) def make_change(from_node, amount_in, amount_out, fee): |