diff options
Diffstat (limited to 'test/functional/test_framework')
-rw-r--r-- | test/functional/test_framework/address.py | 28 | ||||
-rwxr-xr-x | test/functional/test_framework/mininode.py | 11 | ||||
-rw-r--r-- | test/functional/test_framework/segwit_addr.py | 107 | ||||
-rwxr-xr-x | test/functional/test_framework/test_framework.py | 5 |
4 files changed, 150 insertions, 1 deletions
diff --git a/test/functional/test_framework/address.py b/test/functional/test_framework/address.py index 180dac197e..2e2db5ffb2 100644 --- a/test/functional/test_framework/address.py +++ b/test/functional/test_framework/address.py @@ -7,6 +7,8 @@ from .script import hash256, hash160, sha256, CScript, OP_0 from .util import bytes_to_hex_str, hex_str_to_bytes +from . import segwit_addr + chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' def byte_to_base58(b, version): @@ -44,6 +46,32 @@ def script_to_p2sh(script, main = False): script = check_script(script) return scripthash_to_p2sh(hash160(script), main) +def key_to_p2sh_p2wpkh(key, main = False): + key = check_key(key) + p2shscript = CScript([OP_0, hash160(key)]) + return script_to_p2sh(p2shscript, main) + +def program_to_witness(version, program, main = False): + if (type(program) is str): + program = hex_str_to_bytes(program) + assert 0 <= version <= 16 + assert 2 <= len(program) <= 40 + assert version > 0 or len(program) in [20, 32] + return segwit_addr.encode("bc" if main else "bcrt", version, program) + +def script_to_p2wsh(script, main = False): + script = check_script(script) + return program_to_witness(0, sha256(script), main) + +def key_to_p2wpkh(key, main = False): + key = check_key(key) + return program_to_witness(0, hash160(key), main) + +def script_to_p2sh_p2wsh(script, main = False): + script = check_script(script) + p2shscript = CScript([OP_0, sha256(script)]) + return script_to_p2sh(p2shscript, main) + def check_key(key): if (type(key) is str): key = hex_str_to_bytes(key) # Assuming this is hex string diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py index 2607b9b07c..abed661f37 100755 --- a/test/functional/test_framework/mininode.py +++ b/test/functional/test_framework/mininode.py @@ -1654,6 +1654,7 @@ class NodeConn(asyncore.dispatcher): self.dstaddr = dstaddr self.dstport = dstport self.create_socket(socket.AF_INET, socket.SOCK_STREAM) + self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) self.sendbuf = b"" self.recvbuf = b"" self.ver_send = 209 @@ -1792,7 +1793,14 @@ class NodeConn(asyncore.dispatcher): tmsg += h[:4] tmsg += data with mininode_lock: - self.sendbuf += tmsg + if (len(self.sendbuf) == 0 and not pushbuf): + try: + sent = self.send(tmsg) + self.sendbuf = tmsg[sent:] + except BlockingIOError: + self.sendbuf = tmsg + else: + self.sendbuf += tmsg self.last_sent = time.time() def got_message(self, message): @@ -1830,6 +1838,7 @@ class NetworkThread(Thread): disconnected.append(obj) [ obj.handle_close() for obj in disconnected ] asyncore.loop(0.1, use_poll=True, map=mininode_socket_map, count=1) + logger.debug("Network thread closing") # An exception we can raise if we detect a potential disconnect diff --git a/test/functional/test_framework/segwit_addr.py b/test/functional/test_framework/segwit_addr.py new file mode 100644 index 0000000000..02368e938f --- /dev/null +++ b/test/functional/test_framework/segwit_addr.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python3 +# Copyright (c) 2017 Pieter Wuille +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +"""Reference implementation for Bech32 and segwit addresses.""" + + +CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l" + + +def bech32_polymod(values): + """Internal function that computes the Bech32 checksum.""" + generator = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3] + chk = 1 + for value in values: + top = chk >> 25 + chk = (chk & 0x1ffffff) << 5 ^ value + for i in range(5): + chk ^= generator[i] if ((top >> i) & 1) else 0 + return chk + + +def bech32_hrp_expand(hrp): + """Expand the HRP into values for checksum computation.""" + return [ord(x) >> 5 for x in hrp] + [0] + [ord(x) & 31 for x in hrp] + + +def bech32_verify_checksum(hrp, data): + """Verify a checksum given HRP and converted data characters.""" + return bech32_polymod(bech32_hrp_expand(hrp) + data) == 1 + + +def bech32_create_checksum(hrp, data): + """Compute the checksum values given HRP and data.""" + values = bech32_hrp_expand(hrp) + data + polymod = bech32_polymod(values + [0, 0, 0, 0, 0, 0]) ^ 1 + return [(polymod >> 5 * (5 - i)) & 31 for i in range(6)] + + +def bech32_encode(hrp, data): + """Compute a Bech32 string given HRP and data values.""" + combined = data + bech32_create_checksum(hrp, data) + return hrp + '1' + ''.join([CHARSET[d] for d in combined]) + + +def bech32_decode(bech): + """Validate a Bech32 string, and determine HRP and data.""" + if ((any(ord(x) < 33 or ord(x) > 126 for x in bech)) or + (bech.lower() != bech and bech.upper() != bech)): + return (None, None) + bech = bech.lower() + pos = bech.rfind('1') + if pos < 1 or pos + 7 > len(bech) or len(bech) > 90: + return (None, None) + if not all(x in CHARSET for x in bech[pos+1:]): + return (None, None) + hrp = bech[:pos] + data = [CHARSET.find(x) for x in bech[pos+1:]] + if not bech32_verify_checksum(hrp, data): + return (None, None) + return (hrp, data[:-6]) + + +def convertbits(data, frombits, tobits, pad=True): + """General power-of-2 base conversion.""" + acc = 0 + bits = 0 + ret = [] + maxv = (1 << tobits) - 1 + max_acc = (1 << (frombits + tobits - 1)) - 1 + for value in data: + if value < 0 or (value >> frombits): + return None + acc = ((acc << frombits) | value) & max_acc + bits += frombits + while bits >= tobits: + bits -= tobits + ret.append((acc >> bits) & maxv) + if pad: + if bits: + ret.append((acc << (tobits - bits)) & maxv) + elif bits >= frombits or ((acc << (tobits - bits)) & maxv): + return None + return ret + + +def decode(hrp, addr): + """Decode a segwit address.""" + hrpgot, data = bech32_decode(addr) + if hrpgot != hrp: + return (None, None) + decoded = convertbits(data[1:], 5, 8, False) + if decoded is None or len(decoded) < 2 or len(decoded) > 40: + return (None, None) + if data[0] > 16: + return (None, None) + if data[0] == 0 and len(decoded) != 20 and len(decoded) != 32: + return (None, None) + return (data[0], decoded) + + +def encode(hrp, witver, witprog): + """Encode a segwit address.""" + ret = bech32_encode(hrp, [witver] + convertbits(witprog, 8, 5)) + if decode(hrp, ret) == (None, None): + return None + return ret diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py index a53eb51799..381513ab9e 100755 --- a/test/functional/test_framework/test_framework.py +++ b/test/functional/test_framework/test_framework.py @@ -273,6 +273,11 @@ class BitcoinTestFramework(object): # Wait for nodes to stop node.wait_until_stopped() + def restart_node(self, i, extra_args=None): + """Stop and start a test node""" + self.stop_node(i) + self.start_node(i, extra_args) + def assert_start_raises_init_error(self, i, extra_args=None, expected_msg=None): with tempfile.SpooledTemporaryFile(max_size=2**16) as log_stderr: try: |