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
  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_1 = 1
  16 NODE_2 = 2
  17 WIT_V0 = 0
  18 WIT_V1 = 1
  19
  20 # Create a scriptPubKey corresponding to either a P2WPKH output for the
  21 # given pubkey, or a P2WSH output of a 1-of-1 multisig for the given
  22 # pubkey. Returns the hex encoding of the scriptPubKey.
  23 def witness_script(use_p2wsh, pubkey):
  24     if (use_p2wsh == False):
  25         # P2WPKH instead
  26         pubkeyhash = hash160(hex_str_to_bytes(pubkey))
  27         pkscript = CScript([OP_0, pubkeyhash])
  28     else:
  29         # 1-of-1 multisig
  30         witness_program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG])
  31         scripthash = sha256(witness_program)
  32         pkscript = CScript([OP_0, scripthash])
  33     return bytes_to_hex_str(pkscript)
  34
  35 # Return a transaction (in hex) that spends the given utxo to a segwit output,
  36 # optionally wrapping the segwit output using P2SH.
  37 def create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount):
  38     pkscript = hex_str_to_bytes(witness_script(use_p2wsh, pubkey))
  39     if (encode_p2sh):
  40         p2sh_hash = hash160(pkscript)
  41         pkscript = CScript([OP_HASH160, p2sh_hash, OP_EQUAL])
  42     tx = CTransaction()
  43     tx.vin.append(CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), b""))
  44     tx.vout.append(CTxOut(int(amount*COIN), pkscript))
  45     return ToHex(tx)
  46
  47 # Create a transaction spending a given utxo to a segwit output corresponding
  48 # to the given pubkey: use_p2wsh determines whether to use P2WPKH or P2WSH;
  49 # encode_p2sh determines whether to wrap in P2SH.
  50 # sign=True will have the given node sign the transaction.
  51 # insert_redeem_script will be added to the scriptSig, if given.
  52 def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""):
  53     tx_to_witness = create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount)
  54     if (sign):
  55         signed = node.signrawtransaction(tx_to_witness)
  56         assert("errors" not in signed or len(["errors"]) == 0)
  57         return node.sendrawtransaction(signed["hex"])
  58     else:
  59         if (insert_redeem_script):
  60             tx = FromHex(CTransaction(), tx_to_witness)
  61             tx.vin[0].scriptSig += CScript([hex_str_to_bytes(insert_redeem_script)])
  62             tx_to_witness = ToHex(tx)
  63
  64     return node.sendrawtransaction(tx_to_witness)
  65
  66 def getutxo(txid):
  67     utxo = {}
  68     utxo["vout"] = 0
  69     utxo["txid"] = txid
  70     return utxo
  71
  72 def find_unspent(node, min_value):
  73     for utxo in node.listunspent():
  74         if utxo['amount'] >= min_value:
  75             return utxo
  76
  77 class SegWitTest(BitcoinTestFramework):
  78
  79     def __init__(self):
  80         super().__init__()
  81         self.setup_clean_chain = True
  82         self.num_nodes = 3
  83         self.extra_args = [["-walletprematurewitness", "-rpcserialversion=0"],
  84                            ["-blockversion=4", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness", "-rpcserialversion=1"],
  85                            ["-blockversion=536870915", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness"]]
  86
  87     def setup_network(self):
  88         super().setup_network()
  89         connect_nodes(self.nodes[0], 2)
  90         self.sync_all()
  91
  92     def success_mine(self, node, txid, sign, redeem_script=""):
  93         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
  94         block = node.generate(1)
  95         assert_equal(len(node.getblock(block[0])["tx"]), 2)
  96         sync_blocks(self.nodes)
  97
  98     def skip_mine(self, node, txid, sign, redeem_script=""):
  99         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 100         block = node.generate(1)
 101         assert_equal(len(node.getblock(block[0])["tx"]), 1)
 102         sync_blocks(self.nodes)
 103
 104     def fail_accept(self, node, error_msg, txid, sign, redeem_script=""):
 105         assert_raises_jsonrpc(-26, error_msg, send_to_witness, 1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 106
 107     def fail_mine(self, node, txid, sign, redeem_script=""):
 108         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 109         assert_raises_jsonrpc(-1, "CreateNewBlock: TestBlockValidity failed", node.generate, 1)
 110         sync_blocks(self.nodes)
 111
 112     def run_test(self):
 113         self.nodes[0].generate(161) #block 161
 114
 115         self.log.info("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
 116         txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
 117         tmpl = self.nodes[0].getblocktemplate({})
 118         assert(tmpl['sizelimit'] == 1000000)
 119         assert('weightlimit' not in tmpl)
 120         assert(tmpl['sigoplimit'] == 20000)
 121         assert(tmpl['transactions'][0]['hash'] == txid)
 122         assert(tmpl['transactions'][0]['sigops'] == 2)
 123         tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
 124         assert(tmpl['sizelimit'] == 1000000)
 125         assert('weightlimit' not in tmpl)
 126         assert(tmpl['sigoplimit'] == 20000)
 127         assert(tmpl['transactions'][0]['hash'] == txid)
 128         assert(tmpl['transactions'][0]['sigops'] == 2)
 129         self.nodes[0].generate(1) #block 162
 130
 131         balance_presetup = self.nodes[0].getbalance()
 132         self.pubkey = []
 133         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
 134         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
 135         for i in range(3):
 136             newaddress = self.nodes[i].getnewaddress()
 137             self.pubkey.append(self.nodes[i].validateaddress(newaddress)["pubkey"])
 138             multiaddress = self.nodes[i].addmultisigaddress(1, [self.pubkey[-1]])
 139             self.nodes[i].addwitnessaddress(newaddress)
 140             self.nodes[i].addwitnessaddress(multiaddress)
 141             p2sh_ids.append([])
 142             wit_ids.append([])
 143             for v in range(2):
 144                 p2sh_ids[i].append([])
 145                 wit_ids[i].append([])
 146
 147         for i in range(5):
 148             for n in range(3):
 149                 for v in range(2):
 150                     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")))
 151                     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")))
 152
 153         self.nodes[0].generate(1) #block 163
 154         sync_blocks(self.nodes)
 155
 156         # Make sure all nodes recognize the transactions as theirs
 157         assert_equal(self.nodes[0].getbalance(), balance_presetup - 60*50 + 20*Decimal("49.999") + 50)
 158         assert_equal(self.nodes[1].getbalance(), 20*Decimal("49.999"))
 159         assert_equal(self.nodes[2].getbalance(), 20*Decimal("49.999"))
 160
 161         self.nodes[0].generate(260) #block 423
 162         sync_blocks(self.nodes)
 163
 164         self.log.info("Verify default node can't accept any witness format txs before fork")
 165         # unsigned, no scriptsig
 166         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", wit_ids[NODE_0][WIT_V0][0], False)
 167         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", wit_ids[NODE_0][WIT_V1][0], False)
 168         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V0][0], False)
 169         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V1][0], False)
 170         # unsigned with redeem script
 171         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V0][0], False, witness_script(False, self.pubkey[0]))
 172         self.fail_accept(self.nodes[0], "mandatory-script-verify-flag", p2sh_ids[NODE_0][WIT_V1][0], False, witness_script(True, self.pubkey[0]))
 173         # signed
 174         self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V0][0], True)
 175         self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V1][0], True)
 176         self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V0][0], True)
 177         self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V1][0], True)
 178
 179         self.log.info("Verify witness txs are skipped for mining before the fork")
 180         self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][0], True) #block 424
 181         self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][0], True) #block 425
 182         self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][0], True) #block 426
 183         self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][0], True) #block 427
 184
 185         # TODO: An old node would see these txs without witnesses and be able to mine them
 186
 187         self.log.info("Verify unsigned bare witness txs in versionbits-setting blocks are valid before the fork")
 188         self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][1], False) #block 428
 189         self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][1], False) #block 429
 190
 191         self.log.info("Verify unsigned p2sh witness txs without a redeem script are invalid")
 192         self.fail_accept(self.nodes[2], "mandatory-script-verify-flag", p2sh_ids[NODE_2][WIT_V0][1], False)
 193         self.fail_accept(self.nodes[2], "mandatory-script-verify-flag", p2sh_ids[NODE_2][WIT_V1][1], False)
 194
 195         self.log.info("Verify unsigned p2sh witness txs with a redeem script in versionbits-settings blocks are valid before the fork")
 196         self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][1], False, witness_script(False, self.pubkey[2])) #block 430
 197         self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False, witness_script(True, self.pubkey[2])) #block 431
 198
 199         self.log.info("Verify previous witness txs skipped for mining can now be mined")
 200         assert_equal(len(self.nodes[2].getrawmempool()), 4)
 201         block = self.nodes[2].generate(1) #block 432 (first block with new rules; 432 = 144 * 3)
 202         sync_blocks(self.nodes)
 203         assert_equal(len(self.nodes[2].getrawmempool()), 0)
 204         segwit_tx_list = self.nodes[2].getblock(block[0])["tx"]
 205         assert_equal(len(segwit_tx_list), 5)
 206
 207         self.log.info("Verify block and transaction serialization rpcs return differing serializations depending on rpc serialization flag")
 208         assert(self.nodes[2].getblock(block[0], False) !=  self.nodes[0].getblock(block[0], False))
 209         assert(self.nodes[1].getblock(block[0], False) ==  self.nodes[2].getblock(block[0], False))
 210         for i in range(len(segwit_tx_list)):
 211             tx = FromHex(CTransaction(), self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 212             assert(self.nodes[2].getrawtransaction(segwit_tx_list[i]) != self.nodes[0].getrawtransaction(segwit_tx_list[i]))
 213             assert(self.nodes[1].getrawtransaction(segwit_tx_list[i], 0) == self.nodes[2].getrawtransaction(segwit_tx_list[i]))
 214             assert(self.nodes[0].getrawtransaction(segwit_tx_list[i]) != self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 215             assert(self.nodes[1].getrawtransaction(segwit_tx_list[i]) == self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
 216             assert(self.nodes[0].getrawtransaction(segwit_tx_list[i]) == bytes_to_hex_str(tx.serialize_without_witness()))
 217
 218         self.log.info("Verify witness txs without witness data are invalid after the fork")
 219         self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][2], False)
 220         self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][2], False)
 221         self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False, witness_script(False, self.pubkey[2]))
 222         self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False, witness_script(True, self.pubkey[2]))
 223
 224         self.log.info("Verify default node can now use witness txs")
 225         self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V0][0], True) #block 432
 226         self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V1][0], True) #block 433
 227         self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0], True) #block 434
 228         self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0], True) #block 435
 229
 230         self.log.info("Verify sigops are counted in GBT with BIP141 rules after the fork")
 231         txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
 232         tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
 233         assert(tmpl['sizelimit'] >= 3999577)  # actual maximum size is lower due to minimum mandatory non-witness data
 234         assert(tmpl['weightlimit'] == 4000000)
 235         assert(tmpl['sigoplimit'] == 80000)
 236         assert(tmpl['transactions'][0]['txid'] == txid)
 237         assert(tmpl['transactions'][0]['sigops'] == 8)
 238
 239         self.nodes[0].generate(1) # Mine a block to clear the gbt cache
 240
 241         self.log.info("Non-segwit miners are able to use GBT response after activation.")
 242         # Create a 3-tx chain: tx1 (non-segwit input, paying to a segwit output) ->
 243         #                      tx2 (segwit input, paying to a non-segwit output) ->
 244         #                      tx3 (non-segwit input, paying to a non-segwit output).
 245         # tx1 is allowed to appear in the block, but no others.
 246         txid1 = send_to_witness(1, self.nodes[0], find_unspent(self.nodes[0], 50), self.pubkey[0], False, Decimal("49.996"))
 247         hex_tx = self.nodes[0].gettransaction(txid)['hex']
 248         tx = FromHex(CTransaction(), hex_tx)
 249         assert(tx.wit.is_null()) # This should not be a segwit input
 250         assert(txid1 in self.nodes[0].getrawmempool())
 251
 252         # Now create tx2, which will spend from txid1.
 253         tx = CTransaction()
 254         tx.vin.append(CTxIn(COutPoint(int(txid1, 16), 0), b''))
 255         tx.vout.append(CTxOut(int(49.99*COIN), CScript([OP_TRUE])))
 256         tx2_hex = self.nodes[0].signrawtransaction(ToHex(tx))['hex']
 257         txid2 = self.nodes[0].sendrawtransaction(tx2_hex)
 258         tx = FromHex(CTransaction(), tx2_hex)
 259         assert(not tx.wit.is_null())
 260
 261         # Now create tx3, which will spend from txid2
 262         tx = CTransaction()
 263         tx.vin.append(CTxIn(COutPoint(int(txid2, 16), 0), b""))
 264         tx.vout.append(CTxOut(int(49.95*COIN), CScript([OP_TRUE]))) # Huge fee
 265         tx.calc_sha256()
 266         txid3 = self.nodes[0].sendrawtransaction(ToHex(tx))
 267         assert(tx.wit.is_null())
 268         assert(txid3 in self.nodes[0].getrawmempool())
 269
 270         # Now try calling getblocktemplate() without segwit support.
 271         template = self.nodes[0].getblocktemplate()
 272
 273         # Check that tx1 is the only transaction of the 3 in the template.
 274         template_txids = [ t['txid'] for t in template['transactions'] ]
 275         assert(txid2 not in template_txids and txid3 not in template_txids)
 276         assert(txid1 in template_txids)
 277
 278         # Check that running with segwit support results in all 3 being included.
 279         template = self.nodes[0].getblocktemplate({"rules": ["segwit"]})
 280         template_txids = [ t['txid'] for t in template['transactions'] ]
 281         assert(txid1 in template_txids)
 282         assert(txid2 in template_txids)
 283         assert(txid3 in template_txids)
 284
 285         # Mine a block to clear the gbt cache again.
 286         self.nodes[0].generate(1)
 287
 288         self.log.info("Verify behaviour of importaddress, addwitnessaddress and listunspent")
 289
 290         # Some public keys to be used later
 291         pubkeys = [
 292             "0363D44AABD0F1699138239DF2F042C3282C0671CC7A76826A55C8203D90E39242", # cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb
 293             "02D3E626B3E616FC8662B489C123349FECBFC611E778E5BE739B257EAE4721E5BF", # cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97
 294             "04A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538A62F5BD8EC85C2477F39650BD391EA6250207065B2A81DA8B009FC891E898F0E", # 91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV
 295             "02A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538", # cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd
 296             "036722F784214129FEB9E8129D626324F3F6716555B603FFE8300BBCB882151228", # cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66
 297             "0266A8396EE936BF6D99D17920DB21C6C7B1AB14C639D5CD72B300297E416FD2EC", # cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K
 298             "0450A38BD7F0AC212FEBA77354A9B036A32E0F7C81FC4E0C5ADCA7C549C4505D2522458C2D9AE3CEFD684E039194B72C8A10F9CB9D4764AB26FCC2718D421D3B84", # 92h2XPssjBpsJN5CqSP7v9a7cf2kgDunBC6PDFwJHMACM1rrVBJ
 299         ]
 300
 301         # Import a compressed key and an uncompressed key, generate some multisig addresses
 302         self.nodes[0].importprivkey("92e6XLo5jVAVwrQKPNTs93oQco8f8sDNBcpv73Dsrs397fQtFQn")
 303         uncompressed_spendable_address = ["mvozP4UwyGD2mGZU4D2eMvMLPB9WkMmMQu"]
 304         self.nodes[0].importprivkey("cNC8eQ5dg3mFAVePDX4ddmPYpPbw41r9bm2jd1nLJT77e6RrzTRR")
 305         compressed_spendable_address = ["mmWQubrDomqpgSYekvsU7HWEVjLFHAakLe"]
 306         assert ((self.nodes[0].validateaddress(uncompressed_spendable_address[0])['iscompressed'] == False))
 307         assert ((self.nodes[0].validateaddress(compressed_spendable_address[0])['iscompressed'] == True))
 308
 309         self.nodes[0].importpubkey(pubkeys[0])
 310         compressed_solvable_address = [key_to_p2pkh(pubkeys[0])]
 311         self.nodes[0].importpubkey(pubkeys[1])
 312         compressed_solvable_address.append(key_to_p2pkh(pubkeys[1]))
 313         self.nodes[0].importpubkey(pubkeys[2])
 314         uncompressed_solvable_address = [key_to_p2pkh(pubkeys[2])]
 315
 316         spendable_anytime = []                      # These outputs should be seen anytime after importprivkey and addmultisigaddress
 317         spendable_after_importaddress = []          # These outputs should be seen after importaddress
 318         solvable_after_importaddress = []           # These outputs should be seen after importaddress but not spendable
 319         unsolvable_after_importaddress = []         # These outputs should be unsolvable after importaddress
 320         solvable_anytime = []                       # These outputs should be solvable after importpubkey
 321         unseen_anytime = []                         # These outputs should never be seen
 322
 323         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], compressed_spendable_address[0]]))
 324         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], uncompressed_spendable_address[0]]))
 325         compressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_spendable_address[0]]))
 326         uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], uncompressed_solvable_address[0]]))
 327         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_solvable_address[0]]))
 328         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_solvable_address[0], compressed_solvable_address[1]]))
 329         unknown_address = ["mtKKyoHabkk6e4ppT7NaM7THqPUt7AzPrT", "2NDP3jLWAFT8NDAiUa9qiE6oBt2awmMq7Dx"]
 330
 331         # Test multisig_without_privkey
 332         # We have 2 public keys without private keys, use addmultisigaddress to add to wallet.
 333         # Money sent to P2SH of multisig of this should only be seen after importaddress with the BASE58 P2SH address.
 334
 335         multisig_without_privkey_address = self.nodes[0].addmultisigaddress(2, [pubkeys[3], pubkeys[4]])
 336         script = CScript([OP_2, hex_str_to_bytes(pubkeys[3]), hex_str_to_bytes(pubkeys[4]), OP_2, OP_CHECKMULTISIG])
 337         solvable_after_importaddress.append(CScript([OP_HASH160, hash160(script), OP_EQUAL]))
 338
 339         for i in compressed_spendable_address:
 340             v = self.nodes[0].validateaddress(i)
 341             if (v['isscript']):
 342                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 343                 # bare and p2sh multisig with compressed keys should always be spendable
 344                 spendable_anytime.extend([bare, p2sh])
 345                 # P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after direct importaddress
 346                 spendable_after_importaddress.extend([p2wsh, p2sh_p2wsh])
 347             else:
 348                 [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)
 349                 # normal P2PKH and P2PK with compressed keys should always be spendable
 350                 spendable_anytime.extend([p2pkh, p2pk])
 351                 # P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are spendable after direct importaddress
 352                 spendable_after_importaddress.extend([p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 353
 354         for i in uncompressed_spendable_address:
 355             v = self.nodes[0].validateaddress(i)
 356             if (v['isscript']):
 357                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 358                 # bare and p2sh multisig with uncompressed keys should always be spendable
 359                 spendable_anytime.extend([bare, p2sh])
 360                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 361                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 362             else:
 363                 [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)
 364                 # normal P2PKH and P2PK with uncompressed keys should always be spendable
 365                 spendable_anytime.extend([p2pkh, p2pk])
 366                 # P2SH_P2PK and P2SH_P2PKH are spendable after direct importaddress
 367                 spendable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
 368                 # witness with uncompressed keys are never seen
 369                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 370
 371         for i in compressed_solvable_address:
 372             v = self.nodes[0].validateaddress(i)
 373             if (v['isscript']):
 374                 # Multisig without private is not seen after addmultisigaddress, but seen after importaddress
 375                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 376                 solvable_after_importaddress.extend([bare, p2sh, p2wsh, p2sh_p2wsh])
 377             else:
 378                 [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)
 379                 # normal P2PKH and P2PK with compressed keys should always be seen
 380                 solvable_anytime.extend([p2pkh, p2pk])
 381                 # P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are seen after direct importaddress
 382                 solvable_after_importaddress.extend([p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 383
 384         for i in uncompressed_solvable_address:
 385             v = self.nodes[0].validateaddress(i)
 386             if (v['isscript']):
 387                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 388                 # Base uncompressed multisig without private is not seen after addmultisigaddress, but seen after importaddress
 389                 solvable_after_importaddress.extend([bare, p2sh])
 390                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 391                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 392             else:
 393                 [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)
 394                 # normal P2PKH and P2PK with uncompressed keys should always be seen
 395                 solvable_anytime.extend([p2pkh, p2pk])
 396                 # P2SH_P2PK, P2SH_P2PKH with uncompressed keys are seen after direct importaddress
 397                 solvable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
 398                 # witness with uncompressed keys are never seen
 399                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh])
 400
 401         op1 = CScript([OP_1])
 402         op0 = CScript([OP_0])
 403         # 2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe is the P2SH(P2PKH) version of mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V
 404         unsolvable_address = ["mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V", "2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe", script_to_p2sh(op1), script_to_p2sh(op0)]
 405         unsolvable_address_key = hex_str_to_bytes("02341AEC7587A51CDE5279E0630A531AEA2615A9F80B17E8D9376327BAEAA59E3D")
 406         unsolvablep2pkh = CScript([OP_DUP, OP_HASH160, hash160(unsolvable_address_key), OP_EQUALVERIFY, OP_CHECKSIG])
 407         unsolvablep2wshp2pkh = CScript([OP_0, sha256(unsolvablep2pkh)])
 408         p2shop0 = CScript([OP_HASH160, hash160(op0), OP_EQUAL])
 409         p2wshop1 = CScript([OP_0, sha256(op1)])
 410         unsolvable_after_importaddress.append(unsolvablep2pkh)
 411         unsolvable_after_importaddress.append(unsolvablep2wshp2pkh)
 412         unsolvable_after_importaddress.append(op1) # OP_1 will be imported as script
 413         unsolvable_after_importaddress.append(p2wshop1)
 414         unseen_anytime.append(op0) # OP_0 will be imported as P2SH address with no script provided
 415         unsolvable_after_importaddress.append(p2shop0)
 416
 417         spendable_txid = []
 418         solvable_txid = []
 419         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime, 2))
 420         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime, 1))
 421         self.mine_and_test_listunspent(spendable_after_importaddress + solvable_after_importaddress + unseen_anytime + unsolvable_after_importaddress, 0)
 422
 423         importlist = []
 424         for i in compressed_spendable_address + uncompressed_spendable_address + compressed_solvable_address + uncompressed_solvable_address:
 425             v = self.nodes[0].validateaddress(i)
 426             if (v['isscript']):
 427                 bare = hex_str_to_bytes(v['hex'])
 428                 importlist.append(bytes_to_hex_str(bare))
 429                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(bare)])))
 430             else:
 431                 pubkey = hex_str_to_bytes(v['pubkey'])
 432                 p2pk = CScript([pubkey, OP_CHECKSIG])
 433                 p2pkh = CScript([OP_DUP, OP_HASH160, hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG])
 434                 importlist.append(bytes_to_hex_str(p2pk))
 435                 importlist.append(bytes_to_hex_str(p2pkh))
 436                 importlist.append(bytes_to_hex_str(CScript([OP_0, hash160(pubkey)])))
 437                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(p2pk)])))
 438                 importlist.append(bytes_to_hex_str(CScript([OP_0, sha256(p2pkh)])))
 439
 440         importlist.append(bytes_to_hex_str(unsolvablep2pkh))
 441         importlist.append(bytes_to_hex_str(unsolvablep2wshp2pkh))
 442         importlist.append(bytes_to_hex_str(op1))
 443         importlist.append(bytes_to_hex_str(p2wshop1))
 444
 445         for i in importlist:
 446             # import all generated addresses. The wallet already has the private keys for some of these, so catch JSON RPC
 447             # exceptions and continue.
 448             try:
 449                 self.nodes[0].importaddress(i,"",False,True)
 450             except JSONRPCException as exp:
 451                 assert_equal(exp.error["message"], "The wallet already contains the private key for this address or script")
 452                 assert_equal(exp.error["code"], -4)
 453
 454         self.nodes[0].importaddress(script_to_p2sh(op0)) # import OP_0 as address only
 455         self.nodes[0].importaddress(multisig_without_privkey_address) # Test multisig_without_privkey
 456
 457         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime + spendable_after_importaddress, 2))
 458         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime + solvable_after_importaddress, 1))
 459         self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
 460         self.mine_and_test_listunspent(unseen_anytime, 0)
 461
 462         # addwitnessaddress should refuse to return a witness address if an uncompressed key is used or the address is
 463         # not in the wallet
 464         # note that no witness address should be returned by unsolvable addresses
 465         # the multisig_without_privkey_address will fail because its keys were not added with importpubkey
 466         for i in uncompressed_spendable_address + uncompressed_solvable_address + unknown_address + unsolvable_address + [multisig_without_privkey_address]:
 467             assert_raises_jsonrpc(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 468
 469         for i in compressed_spendable_address + compressed_solvable_address:
 470             witaddress = self.nodes[0].addwitnessaddress(i)
 471             # addwitnessaddress should return the same address if it is a known P2SH-witness address
 472             assert_equal(witaddress, self.nodes[0].addwitnessaddress(witaddress))
 473
 474         spendable_txid.append(self.mine_and_test_listunspent(spendable_anytime + spendable_after_importaddress, 2))
 475         solvable_txid.append(self.mine_and_test_listunspent(solvable_anytime + solvable_after_importaddress, 1))
 476         self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
 477         self.mine_and_test_listunspent(unseen_anytime, 0)
 478
 479         # Repeat some tests. This time we don't add witness scripts with importaddress
 480         # Import a compressed key and an uncompressed key, generate some multisig addresses
 481         self.nodes[0].importprivkey("927pw6RW8ZekycnXqBQ2JS5nPyo1yRfGNN8oq74HeddWSpafDJH")
 482         uncompressed_spendable_address = ["mguN2vNSCEUh6rJaXoAVwY3YZwZvEmf5xi"]
 483         self.nodes[0].importprivkey("cMcrXaaUC48ZKpcyydfFo8PxHAjpsYLhdsp6nmtB3E2ER9UUHWnw")
 484         compressed_spendable_address = ["n1UNmpmbVUJ9ytXYXiurmGPQ3TRrXqPWKL"]
 485
 486         self.nodes[0].importpubkey(pubkeys[5])
 487         compressed_solvable_address = [key_to_p2pkh(pubkeys[5])]
 488         self.nodes[0].importpubkey(pubkeys[6])
 489         uncompressed_solvable_address = [key_to_p2pkh(pubkeys[6])]
 490
 491         spendable_after_addwitnessaddress = []      # These outputs should be seen after importaddress
 492         solvable_after_addwitnessaddress=[]         # These outputs should be seen after importaddress but not spendable
 493         unseen_anytime = []                         # These outputs should never be seen
 494
 495         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], compressed_spendable_address[0]]))
 496         uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [uncompressed_spendable_address[0], uncompressed_spendable_address[0]]))
 497         compressed_spendable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_spendable_address[0]]))
 498         uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_solvable_address[0], uncompressed_solvable_address[0]]))
 499         compressed_solvable_address.append(self.nodes[0].addmultisigaddress(2, [compressed_spendable_address[0], compressed_solvable_address[0]]))
 500
 501         premature_witaddress = []
 502
 503         for i in compressed_spendable_address:
 504             v = self.nodes[0].validateaddress(i)
 505             if (v['isscript']):
 506                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 507                 # P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after addwitnessaddress
 508                 spendable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
 509                 premature_witaddress.append(script_to_p2sh(p2wsh))
 510             else:
 511                 [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)
 512                 # P2WPKH, P2SH_P2WPKH are spendable after addwitnessaddress
 513                 spendable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
 514                 premature_witaddress.append(script_to_p2sh(p2wpkh))
 515
 516         for i in uncompressed_spendable_address + uncompressed_solvable_address:
 517             v = self.nodes[0].validateaddress(i)
 518             if (v['isscript']):
 519                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 520                 # P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
 521                 unseen_anytime.extend([p2wsh, p2sh_p2wsh])
 522             else:
 523                 [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)
 524                 # P2WPKH, P2SH_P2WPKH with uncompressed keys are never seen
 525                 unseen_anytime.extend([p2wpkh, p2sh_p2wpkh])
 526
 527         for i in compressed_solvable_address:
 528             v = self.nodes[0].validateaddress(i)
 529             if (v['isscript']):
 530                 # P2WSH multisig without private key are seen after addwitnessaddress
 531                 [bare, p2sh, p2wsh, p2sh_p2wsh] = self.p2sh_address_to_script(v)
 532                 solvable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
 533                 premature_witaddress.append(script_to_p2sh(p2wsh))
 534             else:
 535                 [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)
 536                 # P2SH_P2PK, P2SH_P2PKH with compressed keys are seen after addwitnessaddress
 537                 solvable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
 538                 premature_witaddress.append(script_to_p2sh(p2wpkh))
 539
 540         self.mine_and_test_listunspent(spendable_after_addwitnessaddress + solvable_after_addwitnessaddress + unseen_anytime, 0)
 541
 542         # addwitnessaddress should refuse to return a witness address if an uncompressed key is used
 543         # note that a multisig address returned by addmultisigaddress is not solvable until it is added with importaddress
 544         # premature_witaddress are not accepted until the script is added with addwitnessaddress first
 545         for i in uncompressed_spendable_address + uncompressed_solvable_address + premature_witaddress + [compressed_solvable_address[1]]:
 546             # This will raise an exception
 547             assert_raises_jsonrpc(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 548
 549         # after importaddress it should pass addwitnessaddress
 550         v = self.nodes[0].validateaddress(compressed_solvable_address[1])
 551         self.nodes[0].importaddress(v['hex'],"",False,True)
 552         for i in compressed_spendable_address + compressed_solvable_address + premature_witaddress:
 553             witaddress = self.nodes[0].addwitnessaddress(i)
 554             assert_equal(witaddress, self.nodes[0].addwitnessaddress(witaddress))
 555
 556         spendable_txid.append(self.mine_and_test_listunspent(spendable_after_addwitnessaddress, 2))
 557         solvable_txid.append(self.mine_and_test_listunspent(solvable_after_addwitnessaddress, 1))
 558         self.mine_and_test_listunspent(unseen_anytime, 0)
 559
 560         # Check that spendable outputs are really spendable
 561         self.create_and_mine_tx_from_txids(spendable_txid)
 562
 563         # import all the private keys so solvable addresses become spendable
 564         self.nodes[0].importprivkey("cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb")
 565         self.nodes[0].importprivkey("cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97")
 566         self.nodes[0].importprivkey("91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV")
 567         self.nodes[0].importprivkey("cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd")
 568         self.nodes[0].importprivkey("cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66")
 569         self.nodes[0].importprivkey("cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K")
 570         self.create_and_mine_tx_from_txids(solvable_txid)
 571
 572     def mine_and_test_listunspent(self, script_list, ismine):
 573         utxo = find_unspent(self.nodes[0], 50)
 574         tx = CTransaction()
 575         tx.vin.append(CTxIn(COutPoint(int('0x'+utxo['txid'],0), utxo['vout'])))
 576         for i in script_list:
 577             tx.vout.append(CTxOut(10000000, i))
 578         tx.rehash()
 579         signresults = self.nodes[0].signrawtransaction(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
 580         txid = self.nodes[0].sendrawtransaction(signresults, True)
 581         self.nodes[0].generate(1)
 582         sync_blocks(self.nodes)
 583         watchcount = 0
 584         spendcount = 0
 585         for i in self.nodes[0].listunspent():
 586             if (i['txid'] == txid):
 587                 watchcount += 1
 588                 if (i['spendable'] == True):
 589                     spendcount += 1
 590         if (ismine == 2):
 591             assert_equal(spendcount, len(script_list))
 592         elif (ismine == 1):
 593             assert_equal(watchcount, len(script_list))
 594             assert_equal(spendcount, 0)
 595         else:
 596             assert_equal(watchcount, 0)
 597         return txid
 598
 599     def p2sh_address_to_script(self,v):
 600         bare = CScript(hex_str_to_bytes(v['hex']))
 601         p2sh = CScript(hex_str_to_bytes(v['scriptPubKey']))
 602         p2wsh = CScript([OP_0, sha256(bare)])
 603         p2sh_p2wsh = CScript([OP_HASH160, hash160(p2wsh), OP_EQUAL])
 604         return([bare, p2sh, p2wsh, p2sh_p2wsh])
 605
 606     def p2pkh_address_to_script(self,v):
 607         pubkey = hex_str_to_bytes(v['pubkey'])
 608         p2wpkh = CScript([OP_0, hash160(pubkey)])
 609         p2sh_p2wpkh = CScript([OP_HASH160, hash160(p2wpkh), OP_EQUAL])
 610         p2pk = CScript([pubkey, OP_CHECKSIG])
 611         p2pkh = CScript(hex_str_to_bytes(v['scriptPubKey']))
 612         p2sh_p2pk = CScript([OP_HASH160, hash160(p2pk), OP_EQUAL])
 613         p2sh_p2pkh = CScript([OP_HASH160, hash160(p2pkh), OP_EQUAL])
 614         p2wsh_p2pk = CScript([OP_0, sha256(p2pk)])
 615         p2wsh_p2pkh = CScript([OP_0, sha256(p2pkh)])
 616         p2sh_p2wsh_p2pk = CScript([OP_HASH160, hash160(p2wsh_p2pk), OP_EQUAL])
 617         p2sh_p2wsh_p2pkh = CScript([OP_HASH160, hash160(p2wsh_p2pkh), OP_EQUAL])
 618         return [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh]
 619
 620     def create_and_mine_tx_from_txids(self, txids, success = True):
 621         tx = CTransaction()
 622         for i in txids:
 623             txtmp = CTransaction()
 624             txraw = self.nodes[0].getrawtransaction(i)
 625             f = BytesIO(hex_str_to_bytes(txraw))
 626             txtmp.deserialize(f)
 627             for j in range(len(txtmp.vout)):
 628                 tx.vin.append(CTxIn(COutPoint(int('0x'+i,0), j)))
 629         tx.vout.append(CTxOut(0, CScript()))
 630         tx.rehash()
 631         signresults = self.nodes[0].signrawtransaction(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
 632         self.nodes[0].sendrawtransaction(signresults, True)
 633         self.nodes[0].generate(1)
 634         sync_blocks(self.nodes)
 635
 636
 637 if __name__ == '__main__':
 638     SegWitTest().main()