test/functional/segwit.py

   1 #!/usr/bin/env python3
   2 # Copyright (c) 2016 The Bitcoin Core developers
   3 # Distributed under the MIT software license, see the accompanying
   4 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5 """Test the SegWit changeover logic."""
   6
   7 from test_framework.test_framework import BitcoinTestFramework
   8 from test_framework.util import *
   9 from test_framework.mininode import sha256, CTransaction, CTxIn, COutPoint, CTxOut, COIN, ToHex, FromHex
  10 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
  11 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
  12 from io import BytesIO
  13
  14 NODE_0 = 0
  15 NODE_2 = 2
  16 WIT_V0 = 0
  17 WIT_V1 = 1
  18
  19 # Create a scriptPubKey corresponding to either a P2WPKH output for the
  20 # given pubkey, or a P2WSH output of a 1-of-1 multisig for the given
  21 # pubkey. Returns the hex encoding of the scriptPubKey.
  22 def witness_script(use_p2wsh, pubkey):
  23     if (use_p2wsh == False):
  24         # P2WPKH instead
  25         pubkeyhash = hash160(hex_str_to_bytes(pubkey))
  26         pkscript = CScript([OP_0, pubkeyhash])
  27     else:
  28         # 1-of-1 multisig
  29         witness_program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG])
  30         scripthash = sha256(witness_program)
  31         pkscript = CScript([OP_0, scripthash])
  32     return bytes_to_hex_str(pkscript)
  33
  34 # Return a transaction (in hex) that spends the given utxo to a segwit output,
  35 # optionally wrapping the segwit output using P2SH.
  36 def create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount):
  37     if use_p2wsh:
  38         program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG])
  39         addr = script_to_p2sh_p2wsh(program) if encode_p2sh else script_to_p2wsh(program)
  40     else:
  41         addr = key_to_p2sh_p2wpkh(pubkey) if encode_p2sh else key_to_p2wpkh(pubkey)
  42     if not encode_p2sh:
  43         assert_equal(node.validateaddress(addr)['scriptPubKey'], witness_script(use_p2wsh, pubkey))
  44     return node.createrawtransaction([utxo], {addr: amount})
  45
  46 # Create a transaction spending a given utxo to a segwit output corresponding
  47 # to the given pubkey: use_p2wsh determines whether to use P2WPKH or P2WSH;
  48 # encode_p2sh determines whether to wrap in P2SH.
  49 # sign=True will have the given node sign the transaction.
  50 # insert_redeem_script will be added to the scriptSig, if given.
  51 def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""):
  52     tx_to_witness = create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount)
  53     if (sign):
  54         signed = node.signrawtransaction(tx_to_witness)
  55         assert("errors" not in signed or len(["errors"]) == 0)
  56         return node.sendrawtransaction(signed["hex"])
  57     else:
  58         if (insert_redeem_script):
  59             tx = FromHex(CTransaction(), tx_to_witness)
  60             tx.vin[0].scriptSig += CScript([hex_str_to_bytes(insert_redeem_script)])
  61             tx_to_witness = ToHex(tx)
  62
  63     return node.sendrawtransaction(tx_to_witness)
  64
  65 def getutxo(txid):
  66     utxo = {}
  67     utxo["vout"] = 0
  68     utxo["txid"] = txid
  69     return utxo
  70
  71 def find_unspent(node, min_value):
  72     for utxo in node.listunspent():
  73         if utxo['amount'] >= min_value:
  74             return utxo
  75
  76 class SegWitTest(BitcoinTestFramework):
  77     def set_test_params(self):
  78         self.setup_clean_chain = True
  79         self.num_nodes = 3
  80         # This test tests SegWit both pre and post-activation, so use the normal BIP9 activation.
  81         self.extra_args = [["-walletprematurewitness", "-rpcserialversion=0", "-vbparams=segwit:0:999999999999"],
  82                            ["-blockversion=4", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness", "-rpcserialversion=1", "-vbparams=segwit:0:999999999999"],
  83                            ["-blockversion=536870915", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness", "-vbparams=segwit:0:999999999999"]]
  84
  85     def setup_network(self):
  86         super().setup_network()
  87         connect_nodes(self.nodes[0], 2)
  88         self.sync_all()
  89
  90     def success_mine(self, node, txid, sign, redeem_script=""):
  91         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
  92         block = node.generate(1)
  93         assert_equal(len(node.getblock(block[0])["tx"]), 2)
  94         sync_blocks(self.nodes)
  95
  96     def skip_mine(self, node, txid, sign, redeem_script=""):
  97         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
  98         block = node.generate(1)
  99         assert_equal(len(node.getblock(block[0])["tx"]), 1)
 100         sync_blocks(self.nodes)
 101
 102     def fail_accept(self, node, error_msg, txid, sign, redeem_script=""):
 103         assert_raises_rpc_error(-26, error_msg, send_to_witness, 1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 104
 105     def fail_mine(self, node, txid, sign, redeem_script=""):
 106         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 107         assert_raises_rpc_error(-1, "CreateNewBlock: TestBlockValidity failed", node.generate, 1)
 108         sync_blocks(self.nodes)
 109
 110     def run_test(self):
 111         self.nodes[0].generate(161) #block 161
 112
 113         self.log.info("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
 114         txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
 115         tmpl = self.nodes[0].getblocktemplate({})
 116         assert(tmpl['sizelimit'] == 1000000)
 117         assert('weightlimit' not in tmpl)
 118         assert(tmpl['sigoplimit'] == 20000)
 119         assert(tmpl['transactions'][0]['hash'] == txid)
 120         assert(tmpl['transactions'][0]['sigops'] == 2)
 121         tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
 122         assert(tmpl['sizelimit'] == 1000000)
 123         assert('weightlimit' not in tmpl)
 124         assert(tmpl['sigoplimit'] == 20000)
 125         assert(tmpl['transactions'][0]['hash'] == txid)
 126         assert(tmpl['transactions'][0]['sigops'] == 2)
 127         self.nodes[0].generate(1) #block 162
 128
 129         balance_presetup = self.nodes[0].getbalance()
 130         self.pubkey = []
 131         p2sh_ids = [] # p2sh_ids[NODE][VER] is an array of txids that spend to a witness version VER pkscript to an address for NODE embedded in p2sh
 132         wit_ids = [] # wit_ids[NODE][VER] is an array of txids that spend to a witness version VER pkscript to an address for NODE via bare witness
 133         for i in range(3):
 134             newaddress = self.nodes[i].getnewaddress()
 135             self.pubkey.append(self.nodes[i].validateaddress(newaddress)["pubkey"])
 136             multiaddress = self.nodes[i].addmultisigaddress(1, [self.pubkey[-1]])
 137             multiscript = CScript([OP_1, hex_str_to_bytes(self.pubkey[-1]), OP_1, OP_CHECKMULTISIG])
 138             p2sh_addr = self.nodes[i].addwitnessaddress(newaddress, True)
 139             bip173_addr = self.nodes[i].addwitnessaddress(newaddress, False)
 140             p2sh_ms_addr = self.nodes[i].addwitnessaddress(multiaddress, True)
 141             bip173_ms_addr = self.nodes[i].addwitnessaddress(multiaddress, False)
 142             assert_equal(p2sh_addr, key_to_p2sh_p2wpkh(self.pubkey[-1]))
 143             assert_equal(bip173_addr, key_to_p2wpkh(self.pubkey[-1]))
 144             assert_equal(p2sh_ms_addr, script_to_p2sh_p2wsh(multiscript))
 145             assert_equal(bip173_ms_addr, script_to_p2wsh(multiscript))
 146             p2sh_ids.append([])
 147             wit_ids.append([])
 148             for v in range(2):
 149                 p2sh_ids[i].append([])
 150                 wit_ids[i].append([])
 151
 152         for i in range(5):
 153             for n in range(3):
 154                 for v in range(2):
 155                     wit_ids[n][v].append(send_to_witness(v, self.nodes[0], find_unspent(self.nodes[0], 50), self.pubkey[n], False, Decimal("49.999")))
 156                     p2sh_ids[n][v].append(send_to_witness(v, self.nodes[0], find_unspent(self.nodes[0], 50), self.pubkey[n], True, Decimal("49.999")))
 157
 158         self.nodes[0].generate(1) #block 163
 159         sync_blocks(self.nodes)
 160
 161         # Make sure all nodes recognize the transactions as theirs
 162         assert_equal(self.nodes[0].getbalance(), balance_presetup - 60*50 + 20*Decimal("49.999") + 50)
 163         assert_equal(self.nodes[1].getbalance(), 20*Decimal("49.999"))
 164         assert_equal(self.nodes[2].getbalance(), 20*Decimal("49.999"))
 165
 166         self.nodes[0].generate(260) #block 423
 167         sync_blocks(self.nodes)
 168
 169         self.log.info("Verify default node can't accept any witness format txs before fork")
 170         # unsigned, no scriptsig
 171         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", wit_ids[NODE_0][WIT_V0][0], False)
 172         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", wit_ids[NODE_0][WIT_V1][0], False)
 173         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V0][0], False)
 174         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V1][0], False)
 175         # unsigned with redeem script
 176         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V0][0], False, witness_script(False, self.pubkey[0]))
 177         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V1][0], False, witness_script(True, self.pubkey[0]))
 178         # signed
 179         self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V0][0], True)
 180         self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V1][0], True)
 181         self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V0][0], True)
 182         self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V1][0], True)
 183
 184         self.log.info("Verify witness txs are skipped for mining before the fork")
 185         self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][0], True) #block 424
 186         self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][0], True) #block 425
 187         self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][0], True) #block 426
 188         self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][0], True) #block 427
 189
 190         # TODO: An old node would see these txs without witnesses and be able to mine them
 191
 192         self.log.info("Verify unsigned bare witness txs in versionbits-setting blocks are valid before the fork")
 193         self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][1], False) #block 428
 194         self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][1], False) #block 429
 195
 196         self.log.info("Verify unsigned p2sh witness txs without a redeem script are invalid")
 197         self.fail_accept(self.nodes[2], "mandatory-script-verify-flag", p2sh_ids[NODE_2][WIT_V0][1], False)
 198         self.fail_accept(self.nodes[2], "mandatory-script-verify-flag", p2sh_ids[NODE_2][WIT_V1][1], False)
 199
 200         self.log.info("Verify unsigned p2sh witness txs with a redeem script in versionbits-settings blocks are valid before the fork")
 201         self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][1], False, witness_script(False, self.pubkey[2])) #block 430
 202         self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False, witness_script(True, self.pubkey[2])) #block 431
 203
 204         self.log.info("Verify previous witness txs skipped for mining can now be mined")
 205         assert_equal(len(self.nodes[2].getrawmempool()), 4)
 206         block = self.nodes[2].generate(1) #block 432 (first block with new rules; 432 = 144 * 3)
 207         sync_blocks(self.nodes)
 208         assert_equal(len(self.nodes[2].getrawmempool()), 0)
 209         segwit_tx_list = self.nodes[2].getblock(block[0])["tx"]
 210         assert_equal(len(segwit_tx_list), 5)
 211
 212         self.log.info("Verify block and transaction serialization rpcs return differing serializations depending on rpc serialization flag")
 213         assert(self.nodes[2].getblock(block[0], False) !=  self.nodes[0].getblock(block[0], False))
 214         assert(self.nodes[1].getblock(block[0], False) ==  self.nodes[2].getblock(block[0], False))
 215         for i in range(len(segwit_tx_list)):
 216             tx = FromHex(CTransaction(), self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 217             assert(self.nodes[2].getrawtransaction(segwit_tx_list[i]) != self.nodes[0].getrawtransaction(segwit_tx_list[i]))
 218             assert(self.nodes[1].getrawtransaction(segwit_tx_list[i], 0) == self.nodes[2].getrawtransaction(segwit_tx_list[i]))
 219             assert(self.nodes[0].getrawtransaction(segwit_tx_list[i]) != self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 220             assert(self.nodes[1].getrawtransaction(segwit_tx_list[i]) == self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 221             assert(self.nodes[0].getrawtransaction(segwit_tx_list[i]) == bytes_to_hex_str(tx.serialize_without_witness()))
 222
 223         self.log.info("Verify witness txs without witness data are invalid after the fork")
 224         self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][2], False)
 225         self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][2], False)
 226         self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False, witness_script(False, self.pubkey[2]))
 227         self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False, witness_script(True, self.pubkey[2]))
 228
 229         self.log.info("Verify default node can now use witness txs")
 230         self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V0][0], True) #block 432
 231         self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V1][0], True) #block 433
 232         self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0], True) #block 434
 233         self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0], True) #block 435
 234
 235         self.log.info("Verify sigops are counted in GBT with BIP141 rules after the fork")
 236         txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
 237         tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
 238         assert(tmpl['sizelimit'] >= 3999577)  # actual maximum size is lower due to minimum mandatory non-witness data
 239         assert(tmpl['weightlimit'] == 4000000)
 240         assert(tmpl['sigoplimit'] == 80000)
 241         assert(tmpl['transactions'][0]['txid'] == txid)
 242         assert(tmpl['transactions'][0]['sigops'] == 8)
 243
 244         self.nodes[0].generate(1) # Mine a block to clear the gbt cache
 245
 246         self.log.info("Non-segwit miners are able to use GBT response after activation.")
 247         # Create a 3-tx chain: tx1 (non-segwit input, paying to a segwit output) ->
 248         #                      tx2 (segwit input, paying to a non-segwit output) ->
 249         #                      tx3 (non-segwit input, paying to a non-segwit output).
 250         # tx1 is allowed to appear in the block, but no others.
 251         txid1 = send_to_witness(1, self.nodes[0], find_unspent(self.nodes[0], 50), self.pubkey[0], False, Decimal("49.996"))
 252         hex_tx = self.nodes[0].gettransaction(txid)['hex']
 253         tx = FromHex(CTransaction(), hex_tx)
 254         assert(tx.wit.is_null()) # This should not be a segwit input
 255         assert(txid1 in self.nodes[0].getrawmempool())
 256
 257         # Now create tx2, which will spend from txid1.
 258         tx = CTransaction()
 259         tx.vin.append(CTxIn(COutPoint(int(txid1, 16), 0), b''))
 260         tx.vout.append(CTxOut(int(49.99*COIN), CScript([OP_TRUE])))
 261         tx2_hex = self.nodes[0].signrawtransaction(ToHex(tx))['hex']
 262         txid2 = self.nodes[0].sendrawtransaction(tx2_hex)
 263         tx = FromHex(CTransaction(), tx2_hex)
 264         assert(not tx.wit.is_null())
 265
 266         # Now create tx3, which will spend from txid2
 267         tx = CTransaction()
 268         tx.vin.append(CTxIn(COutPoint(int(txid2, 16), 0), b""))
 269         tx.vout.append(CTxOut(int(49.95*COIN), CScript([OP_TRUE]))) # Huge fee
 270         tx.calc_sha256()
 271         txid3 = self.nodes[0].sendrawtransaction(ToHex(tx))
 272         assert(tx.wit.is_null())
 273         assert(txid3 in self.nodes[0].getrawmempool())
 274
 275         # Now try calling getblocktemplate() without segwit support.
 276         template = self.nodes[0].getblocktemplate()
 277
 278         # Check that tx1 is the only transaction of the 3 in the template.
 279         template_txids = [ t['txid'] for t in template['transactions'] ]
 280         assert(txid2 not in template_txids and txid3 not in template_txids)
 281         assert(txid1 in template_txids)
 282
 283         # Check that running with segwit support results in all 3 being included.
 284         template = self.nodes[0].getblocktemplate({"rules": ["segwit"]})
 285         template_txids = [ t['txid'] for t in template['transactions'] ]
 286         assert(txid1 in template_txids)
 287         assert(txid2 in template_txids)
 288         assert(txid3 in template_txids)
 289
 290         # Check that wtxid is properly reported in mempool entry
 291         assert_equal(int(self.nodes[0].getmempoolentry(txid3)["wtxid"], 16), tx.calc_sha256(True))
 292
 293         # Mine a block to clear the gbt cache again.
 294         self.nodes[0].generate(1)
 295
 296         self.log.info("Verify behaviour of importaddress, addwitnessaddress and listunspent")
 297
 298         # Some public keys to be used later
 299         pubkeys = [
 300             "0363D44AABD0F1699138239DF2F042C3282C0671CC7A76826A55C8203D90E39242", # cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb
 301             "02D3E626B3E616FC8662B489C123349FECBFC611E778E5BE739B257EAE4721E5BF", # cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97
 302             "04A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538A62F5BD8EC85C2477F39650BD391EA6250207065B2A81DA8B009FC891E898F0E", # 91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV
 303             "02A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538", # cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd
 304             "036722F784214129FEB9E8129D626324F3F6716555B603FFE8300BBCB882151228", # cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66
 305             "0266A8396EE936BF6D99D17920DB21C6C7B1AB14C639D5CD72B300297E416FD2EC", # cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K
 306             "0450A38BD7F0AC212FEBA77354A9B036A32E0F7C81FC4E0C5ADCA7C549C4505D2522458C2D9AE3CEFD684E039194B72C8A10F9CB9D4764AB26FCC2718D421D3B84", # 92h2XPssjBpsJN5CqSP7v9a7cf2kgDunBC6PDFwJHMACM1rrVBJ
 307         ]
 308
 309         # Import a compressed key and an uncompressed key, generate some multisig addresses
 310         self.nodes[0].importprivkey("92e6XLo5jVAVwrQKPNTs93oQco8f8sDNBcpv73Dsrs397fQtFQn")
 311         uncompressed_spendable_address = ["mvozP4UwyGD2mGZU4D2eMvMLPB9WkMmMQu"]
 312         self.nodes[0].importprivkey("cNC8eQ5dg3mFAVePDX4ddmPYpPbw41r9bm2jd1nLJT77e6RrzTRR")
 313         compressed_spendable_address = ["mmWQubrDomqpgSYekvsU7HWEVjLFHAakLe"]
 314         assert ((self.nodes[0].validateaddress(uncompressed_spendable_address[0])['iscompressed'] == False))
 315         assert ((self.nodes[0].validateaddress(compressed_spendable_address[0])['iscompressed'] == True))
 316
 317         self.nodes[0].importpubkey(pubkeys[0])
 318         compressed_solvable_address = [key_to_p2pkh(pubkeys[0])]
 319         self.nodes[0].importpubkey(pubkeys[1])
 320         compressed_solvable_address.append(key_to_p2pkh(pubkeys[1]))
 321         self.nodes[0].importpubkey(pubkeys[2])
 322         uncompressed_solvable_address = [key_to_p2pkh(pubkeys[2])]
 323
 324         spendable_anytime = []                      # These outputs should be seen anytime after importprivkey and addmultisigaddress
 325         spendable_after_importaddress = []          # These outputs should be seen after importaddress
 326         solvable_after_importaddress = []           # These outputs should be seen after importaddress but not spendable
 327         unsolvable_after_importaddress = []         # These outputs should be unsolvable after importaddress
 328         solvable_anytime = []                       # These outputs should be solvable after importpubkey
 329         unseen_anytime = []                         # These outputs should never be seen
 330
 331         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], compressed_spendable_address[0]]))
 332         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], uncompressed_spendable_address[0]]))
 333         compressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_spendable_address[0]]))
 334         uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], uncompressed_solvable_address[0]]))
 335         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_solvable_address[0]]))
 336         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_solvable_address[0], compressed_solvable_address[1]]))
 337         unknown_address = ["mtKKyoHabkk6e4ppT7NaM7THqPUt7AzPrT", "2NDP3jLWAFT8NDAiUa9qiE6oBt2awmMq7Dx"]
 338
 339         # Test multisig_without_privkey
 340         # We have 2 public keys without private keys, use addmultisigaddress to add to wallet.
 341         # Money sent to P2SH of multisig of this should only be seen after importaddress with the BASE58 P2SH address.
 342
 343         multisig_without_privkey_address = self.nodes[0].addmultisigaddress(2, [pubkeys[3], pubkeys[4]])
 344         script = CScript([OP_2, hex_str_to_bytes(pubkeys[3]), hex_str_to_bytes(pubkeys[4]), OP_2, OP_CHECKMULTISIG])
 345         solvable_after_importaddress.append(CScript([OP_HASH160, hash160(script), OP_EQUAL]))
 346
 347         for i in compressed_spendable_address:
 348             v = self.nodes[0].validateaddress(i)
 349             if (v['isscript']):
 350                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 351                 # bare and p2sh multisig with compressed keys should always be spendable
 352                 spendable_anytime.extend([bare, p2sh])
 353                 # P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after direct importaddress
 354                 spendable_after_importaddress.extend([p2wsh, p2sh_p2wsh])
 355             else:
 356                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 357                 # normal P2PKH and P2PK with compressed keys should always be spendable
 358                 spendable_anytime.extend([p2pkh, p2pk])
 359                 # P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are spendable after direct importaddress
 360                 spendable_after_importaddress.extend([p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 361
 362         for i in uncompressed_spendable_address:
 363             v = self.nodes[0].validateaddress(i)
 364             if (v['isscript']):
 365                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 366                 # bare and p2sh multisig with uncompressed keys should always be spendable
 367                 spendable_anytime.extend([bare, p2sh])
 368                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 369                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 370             else:
 371                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 372                 # normal P2PKH and P2PK with uncompressed keys should always be spendable
 373                 spendable_anytime.extend([p2pkh, p2pk])
 374                 # P2SH_P2PK and P2SH_P2PKH are spendable after direct importaddress
 375                 spendable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
 376                 # witness with uncompressed keys are never seen
 377                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 378
 379         for i in compressed_solvable_address:
 380             v = self.nodes[0].validateaddress(i)
 381             if (v['isscript']):
 382                 # Multisig without private is not seen after addmultisigaddress, but seen after importaddress
 383                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 384                 solvable_after_importaddress.extend([bare, p2sh, p2wsh, p2sh_p2wsh])
 385             else:
 386                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 387                 # normal P2PKH and P2PK with compressed keys should always be seen
 388                 solvable_anytime.extend([p2pkh, p2pk])
 389                 # P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are seen after direct importaddress
 390                 solvable_after_importaddress.extend([p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 391
 392         for i in uncompressed_solvable_address:
 393             v = self.nodes[0].validateaddress(i)
 394             if (v['isscript']):
 395                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 396                 # Base uncompressed multisig without private is not seen after addmultisigaddress, but seen after importaddress
 397                 solvable_after_importaddress.extend([bare, p2sh])
 398                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 399                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 400             else:
 401                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 402                 # normal P2PKH and P2PK with uncompressed keys should always be seen
 403                 solvable_anytime.extend([p2pkh, p2pk])
 404                 # P2SH_P2PK, P2SH_P2PKH with uncompressed keys are seen after direct importaddress
 405                 solvable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
 406                 # witness with uncompressed keys are never seen
 407                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 408
 409         op1 = CScript([OP_1])
 410         op0 = CScript([OP_0])
 411         # 2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe is the P2SH(P2PKH) version of mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V
 412         unsolvable_address = ["mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V", "2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe", script_to_p2sh(op1), script_to_p2sh(op0)]
 413         unsolvable_address_key = hex_str_to_bytes("02341AEC7587A51CDE5279E0630A531AEA2615A9F80B17E8D9376327BAEAA59E3D")
 414         unsolvablep2pkh = CScript([OP_DUP, OP_HASH160, hash160(unsolvable_address_key), OP_EQUALVERIFY, OP_CHECKSIG])
 415         unsolvablep2wshp2pkh = CScript([OP_0, sha256(unsolvablep2pkh)])
 416         p2shop0 = CScript([OP_HASH160, hash160(op0), OP_EQUAL])
 417         p2wshop1 = CScript([OP_0, sha256(op1)])
 418         unsolvable_after_importaddress.append(unsolvablep2pkh)
 419         unsolvable_after_importaddress.append(unsolvablep2wshp2pkh)
 420         unsolvable_after_importaddress.append(op1) # OP_1 will be imported as script
 421         unsolvable_after_importaddress.append(p2wshop1)
 422         unseen_anytime.append(op0) # OP_0 will be imported as P2SH address with no script provided
 423         unsolvable_after_importaddress.append(p2shop0)
 424
 425         spendable_txid = []
 426         solvable_txid = []
 427         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime, 2))
 428         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime, 1))
 429         self.mine_and_test_listunspent(spendable_after_importaddress + solvable_after_importaddress + unseen_anytime + unsolvable_after_importaddress, 0)
 430
 431         importlist = []
 432         for i in compressed_spendable_address + uncompressed_spendable_address + compressed_solvable_address + uncompressed_solvable_address:
 433             v = self.nodes[0].validateaddress(i)
 434             if (v['isscript']):
 435                 bare = hex_str_to_bytes(v['hex'])
 436                 importlist.append(bytes_to_hex_str(bare))
 437                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(bare)])))
 438             else:
 439                 pubkey = hex_str_to_bytes(v['pubkey'])
 440                 p2pk = CScript([pubkey, OP_CHECKSIG])
 441                 p2pkh = CScript([OP_DUP, OP_HASH160, hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG])
 442                 importlist.append(bytes_to_hex_str(p2pk))
 443                 importlist.append(bytes_to_hex_str(p2pkh))
 444                 importlist.append(bytes_to_hex_str(CScript([OP_0, hash160(pubkey)])))
 445                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(p2pk)])))
 446                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(p2pkh)])))
 447
 448         importlist.append(bytes_to_hex_str(unsolvablep2pkh))
 449         importlist.append(bytes_to_hex_str(unsolvablep2wshp2pkh))
 450         importlist.append(bytes_to_hex_str(op1))
 451         importlist.append(bytes_to_hex_str(p2wshop1))
 452
 453         for i in importlist:
 454             # import all generated addresses. The wallet already has the private keys for some of these, so catch JSON RPC
 455             # exceptions and continue.
 456             try_rpc(-4, "The wallet already contains the private key for this address or script", self.nodes[0].importaddress, i, "", False, True)
 457
 458         self.nodes[0].importaddress(script_to_p2sh(op0)) # import OP_0 as address only
 459         self.nodes[0].importaddress(multisig_without_privkey_address) # Test multisig_without_privkey
 460
 461         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime + spendable_after_importaddress, 2))
 462         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime + solvable_after_importaddress, 1))
 463         self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
 464         self.mine_and_test_listunspent(unseen_anytime, 0)
 465
 466         # addwitnessaddress should refuse to return a witness address if an uncompressed key is used
 467         # note that no witness address should be returned by unsolvable addresses
 468         for i in uncompressed_spendable_address + uncompressed_solvable_address + unknown_address + unsolvable_address:
 469             assert_raises_rpc_error(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 470
 471         # addwitnessaddress should return a witness addresses even if keys are not in the wallet
 472         self.nodes[0].addwitnessaddress(multisig_without_privkey_address)
 473
 474         for i in compressed_spendable_address + compressed_solvable_address:
 475             witaddress = self.nodes[0].addwitnessaddress(i)
 476             # addwitnessaddress should return the same address if it is a known P2SH-witness address
 477             assert_equal(witaddress, self.nodes[0].addwitnessaddress(witaddress))
 478
 479         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime + spendable_after_importaddress, 2))
 480         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime + solvable_after_importaddress, 1))
 481         self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
 482         self.mine_and_test_listunspent(unseen_anytime, 0)
 483
 484         # Repeat some tests. This time we don't add witness scripts with importaddress
 485         # Import a compressed key and an uncompressed key, generate some multisig addresses
 486         self.nodes[0].importprivkey("927pw6RW8ZekycnXqBQ2JS5nPyo1yRfGNN8oq74HeddWSpafDJH")
 487         uncompressed_spendable_address = ["mguN2vNSCEUh6rJaXoAVwY3YZwZvEmf5xi"]
 488         self.nodes[0].importprivkey("cMcrXaaUC48ZKpcyydfFo8PxHAjpsYLhdsp6nmtB3E2ER9UUHWnw")
 489         compressed_spendable_address = ["n1UNmpmbVUJ9ytXYXiurmGPQ3TRrXqPWKL"]
 490
 491         self.nodes[0].importpubkey(pubkeys[5])
 492         compressed_solvable_address = [key_to_p2pkh(pubkeys[5])]
 493         self.nodes[0].importpubkey(pubkeys[6])
 494         uncompressed_solvable_address = [key_to_p2pkh(pubkeys[6])]
 495
 496         spendable_after_addwitnessaddress = []      # These outputs should be seen after importaddress
 497         solvable_after_addwitnessaddress=[]         # These outputs should be seen after importaddress but not spendable
 498         unseen_anytime = []                         # These outputs should never be seen
 499
 500         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], compressed_spendable_address[0]]))
 501         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], uncompressed_spendable_address[0]]))
 502         compressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_spendable_address[0]]))
 503         uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_solvable_address[0], uncompressed_solvable_address[0]]))
 504         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_solvable_address[0]]))
 505
 506         premature_witaddress = []
 507
 508         for i in compressed_spendable_address:
 509             v = self.nodes[0].validateaddress(i)
 510             if (v['isscript']):
 511                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 512                 # P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after addwitnessaddress
 513                 spendable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
 514                 premature_witaddress.append(script_to_p2sh(p2wsh))
 515             else:
 516                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 517                 # P2WPKH, P2SH_P2WPKH are spendable after addwitnessaddress
 518                 spendable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
 519                 premature_witaddress.append(script_to_p2sh(p2wpkh))
 520
 521         for i in uncompressed_spendable_address + uncompressed_solvable_address:
 522             v = self.nodes[0].validateaddress(i)
 523             if (v['isscript']):
 524                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 525                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 526                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 527             else:
 528                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 529                 # P2WPKH, P2SH_P2WPKH with uncompressed keys are never seen
 530                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh])
 531
 532         for i in compressed_solvable_address:
 533             v = self.nodes[0].validateaddress(i)
 534             if (v['isscript']):
 535                 # P2WSH multisig without private key are seen after addwitnessaddress
 536                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 537                 solvable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
 538                 premature_witaddress.append(script_to_p2sh(p2wsh))
 539             else:
 540                 [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh] = self.p2pkh_address_to_script(v)
 541                 # P2SH_P2PK, P2SH_P2PKH with compressed keys are seen after addwitnessaddress
 542                 solvable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
 543                 premature_witaddress.append(script_to_p2sh(p2wpkh))
 544
 545         self.mine_and_test_listunspent(spendable_after_addwitnessaddress + solvable_after_addwitnessaddress + unseen_anytime, 0)
 546
 547         # addwitnessaddress should refuse to return a witness address if an uncompressed key is used
 548         # note that a multisig address returned by addmultisigaddress is not solvable until it is added with importaddress
 549         # premature_witaddress are not accepted until the script is added with addwitnessaddress first
 550         for i in uncompressed_spendable_address + uncompressed_solvable_address + premature_witaddress:
 551             # This will raise an exception
 552             assert_raises_rpc_error(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 553
 554         # after importaddress it should pass addwitnessaddress
 555         v = self.nodes[0].validateaddress(compressed_solvable_address[1])
 556         self.nodes[0].importaddress(v['hex'],"",False,True)
 557         for i in compressed_spendable_address + compressed_solvable_address + premature_witaddress:
 558             witaddress = self.nodes[0].addwitnessaddress(i)
 559             assert_equal(witaddress, self.nodes[0].addwitnessaddress(witaddress))
 560
 561         spendable_txid.append(self.mine_and_test_listunspent(spendable_after_addwitnessaddress, 2))
 562         solvable_txid.append(self.mine_and_test_listunspent(solvable_after_addwitnessaddress, 1))
 563         self.mine_and_test_listunspent(unseen_anytime, 0)
 564
 565         # Check that createrawtransaction/decoderawtransaction with non-v0 Bech32 works
 566         v1_addr = program_to_witness(1, [3,5])
 567         v1_tx = self.nodes[0].createrawtransaction([getutxo(spendable_txid[0])],{v1_addr: 1})
 568         v1_decoded = self.nodes[1].decoderawtransaction(v1_tx)
 569         assert_equal(v1_decoded['vout'][0]['scriptPubKey']['addresses'][0], v1_addr)
 570         assert_equal(v1_decoded['vout'][0]['scriptPubKey']['hex'], "51020305")
 571
 572         # Check that spendable outputs are really spendable
 573         self.create_and_mine_tx_from_txids(spendable_txid)
 574
 575         # import all the private keys so solvable addresses become spendable
 576         self.nodes[0].importprivkey("cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb")
 577         self.nodes[0].importprivkey("cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97")
 578         self.nodes[0].importprivkey("91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV")
 579         self.nodes[0].importprivkey("cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd")
 580         self.nodes[0].importprivkey("cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66")
 581         self.nodes[0].importprivkey("cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K")
 582         self.create_and_mine_tx_from_txids(solvable_txid)
 583
 584         # Test that importing native P2WPKH/P2WSH scripts works
 585         for use_p2wsh in [False, True]:
 586             if use_p2wsh:
 587                 scriptPubKey = "00203a59f3f56b713fdcf5d1a57357f02c44342cbf306ffe0c4741046837bf90561a"
 588                 transaction = "01000000000100e1f505000000002200203a59f3f56b713fdcf5d1a57357f02c44342cbf306ffe0c4741046837bf90561a00000000"
 589             else:
 590                 scriptPubKey = "a9142f8c469c2f0084c48e11f998ffbe7efa7549f26d87"
 591                 transaction = "01000000000100e1f5050000000017a9142f8c469c2f0084c48e11f998ffbe7efa7549f26d8700000000"
 592
 593             self.nodes[1].importaddress(scriptPubKey, "", False)
 594             rawtxfund = self.nodes[1].fundrawtransaction(transaction)['hex']
 595             rawtxfund = self.nodes[1].signrawtransaction(rawtxfund)["hex"]
 596             txid = self.nodes[1].sendrawtransaction(rawtxfund)
 597
 598             assert_equal(self.nodes[1].gettransaction(txid, True)["txid"], txid)
 599             assert_equal(self.nodes[1].listtransactions("*", 1, 0, True)[0]["txid"], txid)
 600
 601             # Assert it is properly saved
 602             self.stop_node(1)
 603             self.start_node(1)
 604             assert_equal(self.nodes[1].gettransaction(txid, True)["txid"], txid)
 605             assert_equal(self.nodes[1].listtransactions("*", 1, 0, True)[0]["txid"], txid)
 606
 607     def mine_and_test_listunspent(self, script_list, ismine):
 608         utxo = find_unspent(self.nodes[0], 50)
 609         tx = CTransaction()
 610         tx.vin.append(CTxIn(COutPoint(int('0x'+utxo['txid'],0), utxo['vout'])))
 611         for i in script_list:
 612             tx.vout.append(CTxOut(10000000, i))
 613         tx.rehash()
 614         signresults = self.nodes[0].signrawtransaction(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
 615         txid = self.nodes[0].sendrawtransaction(signresults, True)
 616         self.nodes[0].generate(1)
 617         sync_blocks(self.nodes)
 618         watchcount = 0
 619         spendcount = 0
 620         for i in self.nodes[0].listunspent():
 621             if (i['txid'] == txid):
 622                 watchcount += 1
 623                 if (i['spendable'] == True):
 624                     spendcount += 1
 625         if (ismine == 2):
 626             assert_equal(spendcount, len(script_list))
 627         elif (ismine == 1):
 628             assert_equal(watchcount, len(script_list))
 629             assert_equal(spendcount, 0)
 630         else:
 631             assert_equal(watchcount, 0)
 632         return txid
 633
 634     def p2sh_address_to_script(self,v):
 635         bare = CScript(hex_str_to_bytes(v['hex']))
 636         p2sh = CScript(hex_str_to_bytes(v['scriptPubKey']))
 637         p2wsh = CScript([OP_0, sha256(bare)])
 638         p2sh_p2wsh = CScript([OP_HASH160, hash160(p2wsh), OP_EQUAL])
 639         return([bare, p2sh, p2wsh, p2sh_p2wsh])
 640
 641     def p2pkh_address_to_script(self,v):
 642         pubkey = hex_str_to_bytes(v['pubkey'])
 643         p2wpkh = CScript([OP_0, hash160(pubkey)])
 644         p2sh_p2wpkh = CScript([OP_HASH160, hash160(p2wpkh), OP_EQUAL])
 645         p2pk = CScript([pubkey, OP_CHECKSIG])
 646         p2pkh = CScript(hex_str_to_bytes(v['scriptPubKey']))
 647         p2sh_p2pk = CScript([OP_HASH160, hash160(p2pk), OP_EQUAL])
 648         p2sh_p2pkh = CScript([OP_HASH160, hash160(p2pkh), OP_EQUAL])
 649         p2wsh_p2pk = CScript([OP_0, sha256(p2pk)])
 650         p2wsh_p2pkh = CScript([OP_0, sha256(p2pkh)])
 651         p2sh_p2wsh_p2pk = CScript([OP_HASH160, hash160(p2wsh_p2pk), OP_EQUAL])
 652         p2sh_p2wsh_p2pkh = CScript([OP_HASH160, hash160(p2wsh_p2pkh), OP_EQUAL])
 653         return [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh]
 654
 655     def create_and_mine_tx_from_txids(self, txids, success = True):
 656         tx = CTransaction()
 657         for i in txids:
 658             txtmp = CTransaction()
 659             txraw = self.nodes[0].getrawtransaction(i)
 660             f = BytesIO(hex_str_to_bytes(txraw))
 661             txtmp.deserialize(f)
 662             for j in range(len(txtmp.vout)):
 663                 tx.vin.append(CTxIn(COutPoint(int('0x'+i,0), j)))
 664         tx.vout.append(CTxOut(0, CScript()))
 665         tx.rehash()
 666         signresults = self.nodes[0].signrawtransaction(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
 667         self.nodes[0].sendrawtransaction(signresults, True)
 668         self.nodes[0].generate(1)
 669         sync_blocks(self.nodes)
 670
 671
 672 if __name__ == '__main__':
 673     SegWitTest().main()