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-rwxr-xr-xtest/functional/segwit.py40
-rw-r--r--test/functional/test_framework/address.py28
-rw-r--r--test/functional/test_framework/segwit_addr.py107
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