diff options
Diffstat (limited to 'test')
| -rwxr-xr-x | test/functional/segwit.py | 40 | ||||
| -rw-r--r-- | test/functional/test_framework/address.py | 28 | ||||
| -rw-r--r-- | test/functional/test_framework/segwit_addr.py | 107 |
3 files changed, 162 insertions, 13 deletions
diff --git a/test/functional/segwit.py b/test/functional/segwit.py index f465c1683b..4888bbd308 100755 --- a/test/functional/segwit.py +++ b/test/functional/segwit.py @@ -7,7 +7,7 @@ from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * from test_framework.mininode import sha256, CTransaction, CTxIn, COutPoint, CTxOut, COIN, ToHex, FromHex -from test_framework.address import script_to_p2sh, key_to_p2pkh +from test_framework.address import script_to_p2sh, key_to_p2pkh, key_to_p2sh_p2wpkh, key_to_p2wpkh, script_to_p2sh_p2wsh, script_to_p2wsh, program_to_witness from test_framework.script import CScript, OP_HASH160, OP_CHECKSIG, OP_0, hash160, OP_EQUAL, OP_DUP, OP_EQUALVERIFY, OP_1, OP_2, OP_CHECKMULTISIG, OP_TRUE from io import BytesIO @@ -33,15 +33,15 @@ def witness_script(use_p2wsh, pubkey): # Return a transaction (in hex) that spends the given utxo to a segwit output, # optionally wrapping the segwit output using P2SH. -def create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount): - pkscript = hex_str_to_bytes(witness_script(use_p2wsh, pubkey)) - if (encode_p2sh): - p2sh_hash = hash160(pkscript) - pkscript = CScript([OP_HASH160, p2sh_hash, OP_EQUAL]) - tx = CTransaction() - tx.vin.append(CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), b"")) - tx.vout.append(CTxOut(int(amount*COIN), pkscript)) - return ToHex(tx) +def create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount): + if use_p2wsh: + program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG]) + addr = script_to_p2sh_p2wsh(program) if encode_p2sh else script_to_p2wsh(program) + else: + addr = key_to_p2sh_p2wpkh(pubkey) if encode_p2sh else key_to_p2wpkh(pubkey) + if not encode_p2sh: + assert_equal(node.validateaddress(addr)['scriptPubKey'], witness_script(use_p2wsh, pubkey)) + return node.createrawtransaction([utxo], {addr: amount}) # Create a transaction spending a given utxo to a segwit output corresponding # to the given pubkey: use_p2wsh determines whether to use P2WPKH or P2WSH; @@ -49,7 +49,7 @@ def create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount): # sign=True will have the given node sign the transaction. # insert_redeem_script will be added to the scriptSig, if given. def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""): - tx_to_witness = create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount) + tx_to_witness = create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount) if (sign): signed = node.signrawtransaction(tx_to_witness) assert("errors" not in signed or len(["errors"]) == 0) @@ -133,8 +133,15 @@ class SegWitTest(BitcoinTestFramework): newaddress = self.nodes[i].getnewaddress() self.pubkey.append(self.nodes[i].validateaddress(newaddress)["pubkey"]) multiaddress = self.nodes[i].addmultisigaddress(1, [self.pubkey[-1]]) - self.nodes[i].addwitnessaddress(newaddress) - self.nodes[i].addwitnessaddress(multiaddress) + multiscript = CScript([OP_1, hex_str_to_bytes(self.pubkey[-1]), OP_1, OP_CHECKMULTISIG]) + p2sh_addr = self.nodes[i].addwitnessaddress(newaddress, True) + bip173_addr = self.nodes[i].addwitnessaddress(newaddress, False) + p2sh_ms_addr = self.nodes[i].addwitnessaddress(multiaddress, True) + bip173_ms_addr = self.nodes[i].addwitnessaddress(multiaddress, False) + assert_equal(p2sh_addr, key_to_p2sh_p2wpkh(self.pubkey[-1])) + assert_equal(bip173_addr, key_to_p2wpkh(self.pubkey[-1])) + assert_equal(p2sh_ms_addr, script_to_p2sh_p2wsh(multiscript)) + assert_equal(bip173_ms_addr, script_to_p2wsh(multiscript)) p2sh_ids.append([]) wit_ids.append([]) for v in range(2): @@ -558,6 +565,13 @@ class SegWitTest(BitcoinTestFramework): solvable_txid.append(self.mine_and_test_listunspent(solvable_after_addwitnessaddress, 1)) self.mine_and_test_listunspent(unseen_anytime, 0) + # Check that createrawtransaction/decoderawtransaction with non-v0 Bech32 works + v1_addr = program_to_witness(1, [3,5]) + v1_tx = self.nodes[0].createrawtransaction([getutxo(spendable_txid[0])],{v1_addr: 1}) + v1_decoded = self.nodes[1].decoderawtransaction(v1_tx) + assert_equal(v1_decoded['vout'][0]['scriptPubKey']['addresses'][0], v1_addr) + assert_equal(v1_decoded['vout'][0]['scriptPubKey']['hex'], "51020305") + # Check that spendable outputs are really spendable self.create_and_mine_tx_from_txids(spendable_txid) 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/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 |