#!/usr/bin/env python3 # Copyright (c) 2021 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test generation and spending of P2TR addresses.""" import random from decimal import Decimal from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal from test_framework.descriptors import descsum_create from test_framework.script import ( CScript, MAX_PUBKEYS_PER_MULTI_A, OP_1, OP_CHECKSIG, OP_CHECKSIGADD, OP_NUMEQUAL, taproot_construct, ) from test_framework.segwit_addr import encode_segwit_address # xprvs/xpubs, and m/* derived x-only pubkeys (created using independent implementation) KEYS = [ { "xprv": "tprv8ZgxMBicQKsPeNLUGrbv3b7qhUk1LQJZAGMuk9gVuKh9sd4BWGp1eMsehUni6qGb8bjkdwBxCbgNGdh2bYGACK5C5dRTaif9KBKGVnSezxV", "xpub": "tpubD6NzVbkrYhZ4XqNGAWGWSzmxGWFwVjVTjZxh2fioKbVYi7Jx8fdbprVWsdW7mHwqjchBVas8TLZG4Xwuz4RKU4iaCqiCvoSkFCzQptqk5Y1", "pubs": [ "83d8ee77a0f3a32a5cea96fd1624d623b836c1e5d1ac2dcde46814b619320c18", "a30253b018ea6fca966135bf7dd8026915427f24ccf10d4e03f7870f4128569b", "a61e5749f2f3db9dc871d7b187e30bfd3297eea2557e9be99897ea8ff7a29a21", "8110cf482f66dc37125e619d73075af932521724ffc7108309e88f361efe8c8a", ] }, { "xprv": "tprv8ZgxMBicQKsPe98QUPieXy5KFPVjuZNpcC9JY7K7buJEm8nWvJogK4kTda7eLjK9U4PnMNbSjEkpjDJazeBZ4rhYNYD7N6GEdaysj1AYSb5", "xpub": "tpubD6NzVbkrYhZ4XcACN3PEwNjRpR1g4tZjBVk5pdMR2B6dbd3HYhdGVZNKofAiFZd9okBserZvv58A6tBX4pE64UpXGNTSesfUW7PpW36HuKz", "pubs": [ "f95886b02a84928c5c15bdca32784993105f73de27fa6ad8c1a60389b999267c", "71522134160685eb779857033bfc84c7626f13556154653a51dd42619064e679", "48957b4158b2c5c3f4c000f51fd2cf0fd5ff8868ebfb194256f5e9131fc74bd8", "086dda8139b3a84944010648d2b674b70447be3ae59322c09a4907bc80be62c1", ] }, { "xprv": "tprv8ZgxMBicQKsPe3ZJmcj9aJ2EPZJYYCh6Lp3v82p75wspgaXmtDZ2RBtkAtWcGnW2VQDzMHQPBkCKMoYTqh1RfJKjv4PcmWVR7KqTpjsdboN", "xpub": "tpubD6NzVbkrYhZ4XWb6fGPjyhgLxapUhXszv7ehQYrQWDgDX4nYWcNcbgWcM2RhYo9s2mbZcfZJ8t5LzYcr24FK79zVybsw5Qj3Rtqug8jpJMy", "pubs": [ "9fa5ffb68821cf559001caa0577eeea4978b29416def328a707b15e91701a2f7", "8a104c54cd34acba60c97dd8f1f7abc89ba9587afd88dc928e91aca7b1c50d20", "13ba6b252a4eb5ef31d39cb521724cdab19a698323f5c17093f28fb1821d052f", "f6c2b4863fd5ba1ba09e3a890caed8b75ffbe013ebab31a06ab87cd6f72506af", ] }, { "xprv": "tprv8ZgxMBicQKsPdKziibn63Rm6aNzp7dSjDnufZMStXr71Huz7iihCRpbZZZ6Voy5HyuHCWx6foHMipzMzUq4tZrtkZ24DJwz5EeNWdsuwX5h", "xpub": "tpubD6NzVbkrYhZ4Wo2WcFSgSqRD9QWkGxddo6WSqsVBx7uQ8QEtM7WncKDRjhFEexK119NigyCsFygA4b7sAPQxqebyFGAZ9XVV1BtcgNzbCRR", "pubs": [ "03a669ea926f381582ec4a000b9472ba8a17347f5fb159eddd4a07036a6718eb", "bbf56b14b119bccafb686adec2e3d2a6b51b1626213590c3afa815d1fd36f85d", "2994519e31bbc238a07d82f85c9832b831705d2ee4a2dbb477ecec8a3f570fe5", "68991b5c139a4c479f8c89d6254d288c533aefc0c5b91fac6c89019c4de64988", ] }, { "xprv": "tprv8ZgxMBicQKsPen4PGtDwURYnCtVMDejyE8vVwMGhQWfVqB2FBPdekhTacDW4vmsKTsgC1wsncVqXiZdX2YFGAnKoLXYf42M78fQJFzuDYFN", "xpub": "tpubD6NzVbkrYhZ4YF6BAXtXsqCtmv1HNyvsoSXHDsJzpnTtffH1onTEwC5SnLzCHPKPebh2i7Gxvi9kJNADcpuSmH8oM3rCYcHVtdXHjpYoKnX", "pubs": [ "aba457d16a8d59151c387f24d1eb887efbe24644c1ee64b261282e7baebdb247", "c8558b7caf198e892032d91f1a48ee9bdc25462b83b4d0ac62bb7fb2a0df630e", "8a4bcaba0e970685858d133a4d0079c8b55bbc755599e212285691eb779ce3dc", "b0d68ada13e0d954b3921b88160d4453e9c151131c2b7c724e08f538a666ceb3", ] }, { "xprv": "tprv8ZgxMBicQKsPd91vCgRmbzA13wyip2RimYeVEkAyZvsEN5pUSB3T43SEBxPsytkxb42d64W2EiRE9CewpJQkzR8HKHLV8Uhk4dMF5yRPaTv", "xpub": "tpubD6NzVbkrYhZ4Wc3i6L6N1Pp7cyVeyMcdLrFGXGDGzCfdCa5F4Zs3EY46N72Ws8QDEUYBVwXfDfda2UKSseSdU1fsBegJBhGCZyxkf28bkQ6", "pubs": [ "9b4d495b74887815a1ff623c055c6eac6b6b2e07d2a016d6526ebac71dd99744", "8e971b781b7ce7ab742d80278f2dfe7dd330f3efd6d00047f4a2071f2e7553cb", "b811d66739b9f07435ccda907ec5cd225355321c35e0a7c7791232f24cf10632", "4cd27a5552c272bc80ba544e9cc6340bb906969f5e7a1510b6cef9592683fbc9", ] }, { "xprv": "tprv8ZgxMBicQKsPdEhLRxxwzTv2t18j7ruoffPeqAwVA2qXJ2P66RaMZLUWQ85SjoA7xPxdSgCB9UZ72m65qbnaLPtFTfHVP3MEmkpZk1Bv8RT", "xpub": "tpubD6NzVbkrYhZ4Whj8KcdYPsa9T2efHC6iExzS7gynaJdv8WdripPwjq6NaH5gQJGrLmvUwHY1smhiakUosXNDTEa6qfKUQdLKV6DJBre6XvQ", "pubs": [ "d0c19def28bb1b39451c1a814737615983967780d223b79969ba692182c6006b", "cb1d1b1dc62fec1894d4c3d9a1b6738e5ff9c273a64f74e9ab363095f45e9c47", "245be588f41acfaeb9481aa132717db56ee1e23eb289729fe2b8bde8f9a00830", "5bc4ad6d6187fa82728c85a073b428483295288f8aef5722e47305b5872f7169", ] }, { "xprv": "tprv8ZgxMBicQKsPcxbqxzcMAwQpiCD8x6qaZEJTxdKxw4w9GuMzDACTD9yhEsHGfqQcfYX4LivosLDDngTykYEp9JnTdcqY7cHqU8PpeFFKyV3", "xpub": "tpubD6NzVbkrYhZ4WRddreGwaM4wHDj57S2V8XuFF9NGMLjY7PckqZ23PebZR1wGA4w84uX2vZphdZVsnREjij1ibYjEBTaTVQCEZCLs4xUDapx", "pubs": [ "065cc1b92bd99e5a3e626e8296a366b2d132688eb43aea19bc14fd8f43bf07fb", "5b95633a7dda34578b6985e6bfd85d83ec38b7ded892a9b74a3d899c85890562", "dc86d434b9a34495c8e845b969d51f80d19a8df03b400353ffe8036a0c22eb60", "06c8ffde238745b29ae8a97ae533e1f3edf214bba6ec58b5e7b9451d1d61ec19", ] }, { "xprv": "tprv8ZgxMBicQKsPe6zLoU8MTTXgsdJVNBErrYGpoGwHf5VGvwUzdNc7NHeCSzkJkniCxBhZWujXjmD4HZmBBrnr3URgJjM6GxRgMmEhLdqNTWG", "xpub": "tpubD6NzVbkrYhZ4Xa28h7nwrsBoSepRXWRmRqsc5nyb5MHfmRjmFmRhYnG4d9dC7uxixN5AfsEv1Lz3mCAuWvERyvPgKozHUVjfo8EG6foJGy7", "pubs": [ "d826a0a53abb6ffc60df25b9c152870578faef4b2eb5a09bdd672bbe32cdd79b", "939365e0359ff6bc6f6404ee220714c5d4a0d1e36838b9e2081ede217674e2ba", "4e8767edcf7d3d90258cfbbea01b784f4d2de813c4277b51279cf808bac410a2", "d42a2c280940bfc6ede971ae72cde2e1df96c6da7dab06a132900c6751ade208", ] }, { "xprv": "tprv8ZgxMBicQKsPeB5o5oCsN2dVxM2mtJiYERQEBRc4JNwC1DFGYaEdNkmh8jJYVPU76YhkFoRoWTdh1p3yQGykG8TfDW34dKgrgSx28gswUyL", "xpub": "tpubD6NzVbkrYhZ4Xe7aySsTmSHcXNYi3duSoj11TweMiejaqhW3Ay4DZFPZJses4sfpk4b9VHRhn8v4cKTMjugMM3hqXcqSSmRdiW8QvASXjfY", "pubs": [ "e360564b2e0e8d06681b6336a29d0750210e8f34afd9afb5e6fd5fe6dba26c81", "76b4900f00a1dcce463b6d8e02b768518fce4f9ecd6679a13ad78ea1e4815ad3", "5575556e263c8ed52e99ab02147cc05a738869afe0039911b5a60a780f4e43d2", "593b00e2c8d4bd6dda0fd9e238888acf427bb4e128887fd5a40e0e9da78cbc01", ] }, { "xprv": "tprv8ZgxMBicQKsPfEH6jHemkGDjZRnAaKFJVGH8pQU638E6SdbX9hxit1tK2sfFPfL6KS7v8FfUKxstbfEpzSymbdfBM9Y5UkrxErF9fJaKLK3", "xpub": "tpubD6NzVbkrYhZ4YhJtcwKN9fsr8TJ6jeSD4Zsv6vWPTQ2VH7rHn6nK4WWBCzKK7FkdVVwm3iztCU1UmStY4hX6gRbBmp9UzK9C59dQEzeXS12", "pubs": [ "7631cacec3343052d87ef4d0065f61dde82d7d2db0c1cc02ef61ef3c982ea763", "c05e44a9e735d1b1bef62e2c0d886e6fb4923b2649b67828290f5cacc51c71b7", "b33198b20701afe933226c92fd0e3d51d3f266f1113d864dbd026ae3166ef7f2", "f99643ac3f4072ee4a949301e86963a9ca0ad57f2ef29f6b84fda037d7cac85b", ] }, { "xprv": "tprv8ZgxMBicQKsPdNWU38dT6aGxtqJR4oYS5kPpLVBcuKiiu7gqTYqMMqhUG6DP7pPahzPQu36sWSmeLCP1C4AwqcR5FX2RyRoZfd4B8pAnSdX", "xpub": "tpubD6NzVbkrYhZ4WqYFvnJ3Vyw5TrpME8jLf3zbd1DvKbX7jbwc5wewYLKLSFRzZWV6hZj7XhsXAy7fhE5jB25DiWyNM3ztXbsXHRVCrp5BiPY", "pubs": [ "2258b1c3160be0864a541854eec9164a572f094f7562628281a8073bb89173a7", "83df59d0a5c951cdd62b7ab225a62079f48d2a333a86e66c35420d101446e92e", "2a654bf234d819055312f9ca03fad5836f9163b09cdd24d29678f694842b874a", "aa0334ab910047387c912a21ec0dab806a47ffa38365060dbc5d47c18c6e66e7", ] }, { "xprv": "tprv8mGPkMVz5mZuJDnC2NjjAv7E9Zqa5LCgX4zawbZu5nzTtLb5kGhPwycX4H1gtW1f5ZdTKTNtQJ61hk71F2TdcQ93EFDTpUcPBr98QRji615", "xpub": "tpubDHxRtmYEE9FaBgoyv2QKaKmLibMWEfPb6NbNE7cCW4nripqrNfWz8UEPEPbHCrakwLvwFfsqoaf4pjX4gWStp4nECRf1QwBKPkLqnY8pHbj", "pubs": [ "00a9da96087a72258f83b338ef7f0ea8cbbe05da5f18f091eb397d1ecbf7c3d3", "b2749b74d51a78f5fe3ebb3a7c0ff266a468cade143dfa265c57e325177edf00", "6b8747a6bbe4440d7386658476da51f6e49a220508a7ec77fe7bccc3e7baa916", "4674bf4d9ebbe01bf0aceaca2472f63198655ecf2df810f8d69b38421972318e", ] } ] CHANGE_XPRV = "tprv8ZgxMBicQKsPcyDrWwiecVnTtFmfRwbfFqEfR4ZGWvq5aTTwLBWmAm5zrbMcYtb9gQNFfhRfqhhrBG37U3nhmXxEgeEPBJGHAPrHCrAd1WX" CHANGE_XPUB = "tpubD6NzVbkrYhZ4WSFeQbPF1uSaTHHbbGnZq8qShabZwCdUQwihxaLMMFhs2kidGF2qrRKiQVqw8VoyuTHj1bZqmMXMeciaU1gBjWA1sim2zUB" # Point with no known discrete log. H_POINT = "50929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0" def key(hex_key): """Construct an x-only pubkey from its hex representation.""" return bytes.fromhex(hex_key) def pk(hex_key): """Construct a script expression for taproot_construct for pk(hex_key).""" return (None, CScript([bytes.fromhex(hex_key), OP_CHECKSIG])) def multi_a(k, hex_keys, sort=False): """Construct a script expression for taproot_construct for a multi_a script.""" xkeys = [bytes.fromhex(hex_key) for hex_key in hex_keys] if sort: xkeys.sort() ops = [xkeys[0], OP_CHECKSIG] for i in range(1, len(hex_keys)): ops += [xkeys[i], OP_CHECKSIGADD] ops += [k, OP_NUMEQUAL] return (None, CScript(ops)) def compute_taproot_address(pubkey, scripts): """Compute the address for a taproot output with given inner key and scripts.""" tap = taproot_construct(pubkey, scripts) assert tap.scriptPubKey[0] == OP_1 assert tap.scriptPubKey[1] == 0x20 return encode_segwit_address("bcrt", 1, tap.scriptPubKey[2:]) class WalletTaprootTest(BitcoinTestFramework): """Test generation and spending of P2TR address outputs.""" def set_test_params(self): self.num_nodes = 3 self.setup_clean_chain = True self.extra_args = [['-keypool=100'], ['-keypool=100'], ["-vbparams=taproot:1:1"]] self.supports_cli = False def skip_test_if_missing_module(self): self.skip_if_no_wallet() self.skip_if_no_sqlite() def setup_network(self): self.setup_nodes() def init_wallet(self, *, node): pass @staticmethod def rand_keys(n): ret = [] idxes = set() for _ in range(n): while True: i = random.randrange(len(KEYS)) if not i in idxes: break idxes.add(i) ret.append(KEYS[i]) return ret @staticmethod def make_desc(pattern, privmap, keys, pub_only = False): pat = pattern.replace("$H", H_POINT) for i in range(len(privmap)): if privmap[i] and not pub_only: pat = pat.replace("$%i" % (i + 1), keys[i]['xprv']) else: pat = pat.replace("$%i" % (i + 1), keys[i]['xpub']) return descsum_create(pat) @staticmethod def make_addr(treefn, keys, i): args = [] for j in range(len(keys)): args.append(keys[j]['pubs'][i]) return compute_taproot_address(*treefn(*args)) def do_test_addr(self, comment, pattern, privmap, treefn, keys): self.log.info("Testing %s address derivation" % comment) desc = self.make_desc(pattern, privmap, keys, False) desc_pub = self.make_desc(pattern, privmap, keys, True) assert_equal(self.nodes[0].getdescriptorinfo(desc)['descriptor'], desc_pub) result = self.addr_gen.importdescriptors([{"desc": desc_pub, "active": True, "timestamp": "now"}]) assert(result[0]['success']) for i in range(4): addr_g = self.addr_gen.getnewaddress(address_type='bech32m') if treefn is not None: addr_r = self.make_addr(treefn, keys, i) assert_equal(addr_g, addr_r) desc_a = self.addr_gen.getaddressinfo(addr_g)['desc'] if desc.startswith("tr("): assert desc_a.startswith("tr(") rederive = self.nodes[1].deriveaddresses(desc_a) assert_equal(len(rederive), 1) assert_equal(rederive[0], addr_g) # tr descriptors can be imported regardless of Taproot status result = self.privs_tr_enabled.importdescriptors([{"desc": desc, "timestamp": "now"}]) assert(result[0]["success"]) result = self.pubs_tr_enabled.importdescriptors([{"desc": desc_pub, "timestamp": "now"}]) assert(result[0]["success"]) result = self.privs_tr_disabled.importdescriptors([{"desc": desc, "timestamp": "now"}]) assert result[0]["success"] result = self.pubs_tr_disabled.importdescriptors([{"desc": desc_pub, "timestamp": "now"}]) assert result[0]["success"] def do_test_sendtoaddress(self, comment, pattern, privmap, treefn, keys_pay, keys_change): self.log.info("Testing %s through sendtoaddress" % comment) desc_pay = self.make_desc(pattern, privmap, keys_pay) desc_change = self.make_desc(pattern, privmap, keys_change) desc_pay_pub = self.make_desc(pattern, privmap, keys_pay, True) desc_change_pub = self.make_desc(pattern, privmap, keys_change, True) assert_equal(self.nodes[0].getdescriptorinfo(desc_pay)['descriptor'], desc_pay_pub) assert_equal(self.nodes[0].getdescriptorinfo(desc_change)['descriptor'], desc_change_pub) result = self.rpc_online.importdescriptors([{"desc": desc_pay, "active": True, "timestamp": "now"}]) assert(result[0]['success']) result = self.rpc_online.importdescriptors([{"desc": desc_change, "active": True, "timestamp": "now", "internal": True}]) assert(result[0]['success']) for i in range(4): addr_g = self.rpc_online.getnewaddress(address_type='bech32m') if treefn is not None: addr_r = self.make_addr(treefn, keys_pay, i) assert_equal(addr_g, addr_r) boring_balance = int(self.boring.getbalance() * 100000000) to_amnt = random.randrange(1000000, boring_balance) self.boring.sendtoaddress(address=addr_g, amount=Decimal(to_amnt) / 100000000, subtractfeefromamount=True) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) test_balance = int(self.rpc_online.getbalance() * 100000000) ret_amnt = random.randrange(100000, test_balance) # Increase fee_rate to compensate for the wallet's inability to estimate fees for script path spends. res = self.rpc_online.sendtoaddress(address=self.boring.getnewaddress(), amount=Decimal(ret_amnt) / 100000000, subtractfeefromamount=True, fee_rate=200) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) assert(self.rpc_online.gettransaction(res)["confirmations"] > 0) def do_test_psbt(self, comment, pattern, privmap, treefn, keys_pay, keys_change): self.log.info("Testing %s through PSBT" % comment) desc_pay = self.make_desc(pattern, privmap, keys_pay, False) desc_change = self.make_desc(pattern, privmap, keys_change, False) desc_pay_pub = self.make_desc(pattern, privmap, keys_pay, True) desc_change_pub = self.make_desc(pattern, privmap, keys_change, True) assert_equal(self.nodes[0].getdescriptorinfo(desc_pay)['descriptor'], desc_pay_pub) assert_equal(self.nodes[0].getdescriptorinfo(desc_change)['descriptor'], desc_change_pub) result = self.psbt_online.importdescriptors([{"desc": desc_pay_pub, "active": True, "timestamp": "now"}]) assert(result[0]['success']) result = self.psbt_online.importdescriptors([{"desc": desc_change_pub, "active": True, "timestamp": "now", "internal": True}]) assert(result[0]['success']) result = self.psbt_offline.importdescriptors([{"desc": desc_pay, "active": True, "timestamp": "now"}]) assert(result[0]['success']) result = self.psbt_offline.importdescriptors([{"desc": desc_change, "active": True, "timestamp": "now", "internal": True}]) assert(result[0]['success']) for i in range(4): addr_g = self.psbt_online.getnewaddress(address_type='bech32m') if treefn is not None: addr_r = self.make_addr(treefn, keys_pay, i) assert_equal(addr_g, addr_r) boring_balance = int(self.boring.getbalance() * 100000000) to_amnt = random.randrange(1000000, boring_balance) self.boring.sendtoaddress(address=addr_g, amount=Decimal(to_amnt) / 100000000, subtractfeefromamount=True) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) test_balance = int(self.psbt_online.getbalance() * 100000000) ret_amnt = random.randrange(100000, test_balance) # Increase fee_rate to compensate for the wallet's inability to estimate fees for script path spends. psbt = self.psbt_online.walletcreatefundedpsbt([], [{self.boring.getnewaddress(): Decimal(ret_amnt) / 100000000}], None, {"subtractFeeFromOutputs":[0], "fee_rate": 200})['psbt'] res = self.psbt_offline.walletprocesspsbt(psbt) assert(res['complete']) rawtx = self.nodes[0].finalizepsbt(res['psbt'])['hex'] txid = self.nodes[0].sendrawtransaction(rawtx) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) assert(self.psbt_online.gettransaction(txid)['confirmations'] > 0) def do_test(self, comment, pattern, privmap, treefn): nkeys = len(privmap) keys = self.rand_keys(nkeys * 4) self.do_test_addr(comment, pattern, privmap, treefn, keys[0:nkeys]) self.do_test_sendtoaddress(comment, pattern, privmap, treefn, keys[0:nkeys], keys[nkeys:2*nkeys]) self.do_test_psbt(comment, pattern, privmap, treefn, keys[2*nkeys:3*nkeys], keys[3*nkeys:4*nkeys]) def run_test(self): self.log.info("Creating wallets...") self.nodes[0].createwallet(wallet_name="privs_tr_enabled", descriptors=True, blank=True) self.privs_tr_enabled = self.nodes[0].get_wallet_rpc("privs_tr_enabled") self.nodes[2].createwallet(wallet_name="privs_tr_disabled", descriptors=True, blank=True) self.privs_tr_disabled=self.nodes[2].get_wallet_rpc("privs_tr_disabled") self.nodes[0].createwallet(wallet_name="pubs_tr_enabled", descriptors=True, blank=True, disable_private_keys=True) self.pubs_tr_enabled = self.nodes[0].get_wallet_rpc("pubs_tr_enabled") self.nodes[2].createwallet(wallet_name="pubs_tr_disabled", descriptors=True, blank=True, disable_private_keys=True) self.pubs_tr_disabled=self.nodes[2].get_wallet_rpc("pubs_tr_disabled") self.nodes[0].createwallet(wallet_name="boring") self.nodes[0].createwallet(wallet_name="addr_gen", descriptors=True, disable_private_keys=True, blank=True) self.nodes[0].createwallet(wallet_name="rpc_online", descriptors=True, blank=True) self.nodes[0].createwallet(wallet_name="psbt_online", descriptors=True, disable_private_keys=True, blank=True) self.nodes[1].createwallet(wallet_name="psbt_offline", descriptors=True, blank=True) self.boring = self.nodes[0].get_wallet_rpc("boring") self.addr_gen = self.nodes[0].get_wallet_rpc("addr_gen") self.rpc_online = self.nodes[0].get_wallet_rpc("rpc_online") self.psbt_online = self.nodes[0].get_wallet_rpc("psbt_online") self.psbt_offline = self.nodes[1].get_wallet_rpc("psbt_offline") self.log.info("Mining blocks...") gen_addr = self.boring.getnewaddress() self.generatetoaddress(self.nodes[0], 101, gen_addr, sync_fun=self.no_op) self.do_test( "tr(XPRV)", "tr($1/*)", [True], lambda k1: (key(k1), []) ) self.do_test( "tr(H,XPRV)", "tr($H,pk($1/*))", [True], lambda k1: (key(H_POINT), [pk(k1)]) ) self.do_test( "wpkh(XPRV)", "wpkh($1/*)", [True], None ) self.do_test( "tr(XPRV,{H,{H,XPUB}})", "tr($1/*,{pk($H),{pk($H),pk($2/*)}})", [True, False], lambda k1, k2: (key(k1), [pk(H_POINT), [pk(H_POINT), pk(k2)]]) ) self.do_test( "wsh(multi(1,XPRV,XPUB))", "wsh(multi(1,$1/*,$2/*))", [True, False], None ) self.do_test( "tr(XPRV,{XPUB,XPUB})", "tr($1/*,{pk($2/*),pk($2/*)})", [True, False], lambda k1, k2: (key(k1), [pk(k2), pk(k2)]) ) self.do_test( "tr(XPRV,{{XPUB,H},{H,XPUB}})", "tr($1/*,{{pk($2/*),pk($H)},{pk($H),pk($2/*)}})", [True, False], lambda k1, k2: (key(k1), [[pk(k2), pk(H_POINT)], [pk(H_POINT), pk(k2)]]) ) self.do_test( "tr(XPUB,{{H,{H,XPUB}},{H,{H,{H,XPRV}}}})", "tr($1/*,{{pk($H),{pk($H),pk($2/*)}},{pk($H),{pk($H),{pk($H),pk($3/*)}}}})", [False, False, True], lambda k1, k2, k3: (key(k1), [[pk(H_POINT), [pk(H_POINT), pk(k2)]], [pk(H_POINT), [pk(H_POINT), [pk(H_POINT), pk(k3)]]]]) ) self.do_test( "tr(XPRV,{XPUB,{{XPUB,{H,H}},{{H,H},XPUB}}})", "tr($1/*,{pk($2/*),{{pk($2/*),{pk($H),pk($H)}},{{pk($H),pk($H)},pk($2/*)}}})", [True, False], lambda k1, k2: (key(k1), [pk(k2), [[pk(k2), [pk(H_POINT), pk(H_POINT)]], [[pk(H_POINT), pk(H_POINT)], pk(k2)]]]) ) self.do_test( "tr(H,multi_a(1,XPRV))", "tr($H,multi_a(1,$1/*))", [True], lambda k1: (key(H_POINT), [multi_a(1, [k1])]) ) self.do_test( "tr(H,sortedmulti_a(1,XPRV,XPUB))", "tr($H,sortedmulti_a(1,$1/*,$2/*))", [True, False], lambda k1, k2: (key(H_POINT), [multi_a(1, [k1, k2], True)]) ) self.do_test( "tr(H,multi_a(1,XPUB,XPRV))", "tr($H,multi_a(1,$1/*,$2/*))", [False, True], lambda k1, k2: (key(H_POINT), [multi_a(1, [k1, k2])]) ) self.do_test( "tr(H,sortedmulti_a(1,XPUB,XPRV,XPRV))", "tr($H,sortedmulti_a(1,$1/*,$2/*,$3/*))", [False, True, True], lambda k1, k2, k3: (key(H_POINT), [multi_a(1, [k1, k2, k3], True)]) ) self.do_test( "tr(H,multi_a(2,XPRV,XPUB,XPRV))", "tr($H,multi_a(2,$1/*,$2/*,$3/*))", [True, False, True], lambda k1, k2, k3: (key(H_POINT), [multi_a(2, [k1, k2, k3])]) ) self.do_test( "tr(XPUB,{{XPUB,{XPUB,sortedmulti_a(2,XPRV,XPUB,XPRV)}})", "tr($2/*,{pk($2/*),{pk($2/*),sortedmulti_a(2,$1/*,$2/*,$3/*)}})", [True, False, True], lambda k1, k2, k3: (key(k2), [pk(k2), [pk(k2), multi_a(2, [k1, k2, k3], True)]]) ) rnd_pos = random.randrange(MAX_PUBKEYS_PER_MULTI_A) self.do_test( "tr(XPUB,multi_a(1,H...,XPRV,H...))", "tr($2/*,multi_a(1" + (",$H" * rnd_pos) + ",$1/*" + (",$H" * (MAX_PUBKEYS_PER_MULTI_A - 1 - rnd_pos)) + "))", [True, False], lambda k1, k2: (key(k2), [multi_a(1, ([H_POINT] * rnd_pos) + [k1] + ([H_POINT] * (MAX_PUBKEYS_PER_MULTI_A - 1 - rnd_pos)))]) ) self.log.info("Sending everything back...") txid = self.rpc_online.sendtoaddress(address=self.boring.getnewaddress(), amount=self.rpc_online.getbalance(), subtractfeefromamount=True) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) assert(self.rpc_online.gettransaction(txid)["confirmations"] > 0) psbt = self.psbt_online.walletcreatefundedpsbt([], [{self.boring.getnewaddress(): self.psbt_online.getbalance()}], None, {"subtractFeeFromOutputs": [0]})['psbt'] res = self.psbt_offline.walletprocesspsbt(psbt) assert(res['complete']) rawtx = self.nodes[0].finalizepsbt(res['psbt'])['hex'] txid = self.nodes[0].sendrawtransaction(rawtx) self.generatetoaddress(self.nodes[0], 1, self.boring.getnewaddress(), sync_fun=self.no_op) assert(self.psbt_online.gettransaction(txid)['confirmations'] > 0) if __name__ == '__main__': WalletTaprootTest().main()