script_standard_tests.cpp
1 // Copyright (c) 2017-2022 The Bitcoin Core developers 2 // Distributed under the MIT software license, see the accompanying 3 // file COPYING or http://www.opensource.org/licenses/mit-license.php. 4 5 #include <test/data/bip341_wallet_vectors.json.h> 6 7 #include <addresstype.h> 8 #include <key.h> 9 #include <key_io.h> 10 #include <script/script.h> 11 #include <script/signingprovider.h> 12 #include <script/solver.h> 13 #include <test/util/setup_common.h> 14 #include <util/strencodings.h> 15 16 #include <boost/test/unit_test.hpp> 17 18 #include <univalue.h> 19 20 using namespace util::hex_literals; 21 22 BOOST_FIXTURE_TEST_SUITE(script_standard_tests, BasicTestingSetup) 23 24 BOOST_AUTO_TEST_CASE(dest_default_is_no_dest) 25 { 26 CTxDestination dest; 27 BOOST_CHECK(!IsValidDestination(dest)); 28 } 29 30 BOOST_AUTO_TEST_CASE(script_standard_Solver_success) 31 { 32 CKey keys[3]; 33 CPubKey pubkeys[3]; 34 for (int i = 0; i < 3; i++) { 35 keys[i].MakeNewKey(true); 36 pubkeys[i] = keys[i].GetPubKey(); 37 } 38 39 CScript s; 40 std::vector<std::vector<unsigned char> > solutions; 41 42 // TxoutType::PUBKEY 43 s.clear(); 44 s << ToByteVector(pubkeys[0]) << OP_CHECKSIG; 45 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::PUBKEY); 46 BOOST_CHECK_EQUAL(solutions.size(), 1U); 47 BOOST_CHECK(solutions[0] == ToByteVector(pubkeys[0])); 48 49 // TxoutType::PUBKEYHASH 50 s.clear(); 51 s << OP_DUP << OP_HASH160 << ToByteVector(pubkeys[0].GetID()) << OP_EQUALVERIFY << OP_CHECKSIG; 52 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::PUBKEYHASH); 53 BOOST_CHECK_EQUAL(solutions.size(), 1U); 54 BOOST_CHECK(solutions[0] == ToByteVector(pubkeys[0].GetID())); 55 56 // TxoutType::SCRIPTHASH 57 CScript redeemScript(s); // initialize with leftover P2PKH script 58 s.clear(); 59 s << OP_HASH160 << ToByteVector(CScriptID(redeemScript)) << OP_EQUAL; 60 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::SCRIPTHASH); 61 BOOST_CHECK_EQUAL(solutions.size(), 1U); 62 BOOST_CHECK(solutions[0] == ToByteVector(CScriptID(redeemScript))); 63 64 // TxoutType::MULTISIG 65 s.clear(); 66 s << OP_1 << 67 ToByteVector(pubkeys[0]) << 68 ToByteVector(pubkeys[1]) << 69 OP_2 << OP_CHECKMULTISIG; 70 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::MULTISIG); 71 BOOST_CHECK_EQUAL(solutions.size(), 4U); 72 BOOST_CHECK(solutions[0] == std::vector<unsigned char>({1})); 73 BOOST_CHECK(solutions[1] == ToByteVector(pubkeys[0])); 74 BOOST_CHECK(solutions[2] == ToByteVector(pubkeys[1])); 75 BOOST_CHECK(solutions[3] == std::vector<unsigned char>({2})); 76 77 s.clear(); 78 s << OP_2 << 79 ToByteVector(pubkeys[0]) << 80 ToByteVector(pubkeys[1]) << 81 ToByteVector(pubkeys[2]) << 82 OP_3 << OP_CHECKMULTISIG; 83 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::MULTISIG); 84 BOOST_CHECK_EQUAL(solutions.size(), 5U); 85 BOOST_CHECK(solutions[0] == std::vector<unsigned char>({2})); 86 BOOST_CHECK(solutions[1] == ToByteVector(pubkeys[0])); 87 BOOST_CHECK(solutions[2] == ToByteVector(pubkeys[1])); 88 BOOST_CHECK(solutions[3] == ToByteVector(pubkeys[2])); 89 BOOST_CHECK(solutions[4] == std::vector<unsigned char>({3})); 90 91 // TxoutType::NULL_DATA 92 s.clear(); 93 s << OP_RETURN << 94 std::vector<unsigned char>({0}) << 95 std::vector<unsigned char>({75}) << 96 std::vector<unsigned char>({255}); 97 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NULL_DATA); 98 BOOST_CHECK_EQUAL(solutions.size(), 0U); 99 100 // TxoutType::WITNESS_V0_KEYHASH 101 s.clear(); 102 s << OP_0 << ToByteVector(pubkeys[0].GetID()); 103 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_V0_KEYHASH); 104 BOOST_CHECK_EQUAL(solutions.size(), 1U); 105 BOOST_CHECK(solutions[0] == ToByteVector(pubkeys[0].GetID())); 106 107 // TxoutType::WITNESS_V0_SCRIPTHASH 108 uint256 scriptHash; 109 CSHA256().Write(redeemScript.data(), redeemScript.size()) 110 .Finalize(scriptHash.begin()); 111 112 s.clear(); 113 s << OP_0 << ToByteVector(scriptHash); 114 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_V0_SCRIPTHASH); 115 BOOST_CHECK_EQUAL(solutions.size(), 1U); 116 BOOST_CHECK(solutions[0] == ToByteVector(scriptHash)); 117 118 // TxoutType::WITNESS_V1_TAPROOT 119 s.clear(); 120 s << OP_1 << ToByteVector(uint256::ZERO); 121 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_V1_TAPROOT); 122 BOOST_CHECK_EQUAL(solutions.size(), 1U); 123 BOOST_CHECK(solutions[0] == ToByteVector(uint256::ZERO)); 124 125 // TxoutType::WITNESS_UNKNOWN 126 s.clear(); 127 s << OP_16 << ToByteVector(uint256::ONE); 128 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN); 129 BOOST_CHECK_EQUAL(solutions.size(), 2U); 130 BOOST_CHECK(solutions[0] == std::vector<unsigned char>{16}); 131 BOOST_CHECK(solutions[1] == ToByteVector(uint256::ONE)); 132 133 // TxoutType::ANCHOR 134 s.clear(); 135 s << OP_1 << ANCHOR_BYTES; 136 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::ANCHOR); 137 BOOST_CHECK(solutions.empty()); 138 139 // Sanity-check IsPayToAnchor 140 int version{-1}; 141 std::vector<unsigned char> witness_program; 142 BOOST_CHECK(s.IsPayToAnchor()); 143 BOOST_CHECK(s.IsWitnessProgram(version, witness_program)); 144 BOOST_CHECK(CScript::IsPayToAnchor(version, witness_program)); 145 146 // TxoutType::NONSTANDARD 147 s.clear(); 148 s << OP_9 << OP_ADD << OP_11 << OP_EQUAL; 149 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 150 } 151 152 BOOST_AUTO_TEST_CASE(script_standard_Solver_failure) 153 { 154 CKey key = GenerateRandomKey(); 155 CPubKey pubkey = key.GetPubKey(); 156 157 CScript s; 158 std::vector<std::vector<unsigned char> > solutions; 159 160 // TxoutType::PUBKEY with incorrectly sized pubkey 161 s.clear(); 162 s << std::vector<unsigned char>(30, 0x01) << OP_CHECKSIG; 163 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 164 165 // TxoutType::PUBKEYHASH with incorrectly sized key hash 166 s.clear(); 167 s << OP_DUP << OP_HASH160 << ToByteVector(pubkey) << OP_EQUALVERIFY << OP_CHECKSIG; 168 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 169 170 // TxoutType::SCRIPTHASH with incorrectly sized script hash 171 s.clear(); 172 s << OP_HASH160 << std::vector<unsigned char>(21, 0x01) << OP_EQUAL; 173 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 174 175 // TxoutType::MULTISIG 0/2 176 s.clear(); 177 s << OP_0 << ToByteVector(pubkey) << OP_1 << OP_CHECKMULTISIG; 178 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 179 180 // TxoutType::MULTISIG 2/1 181 s.clear(); 182 s << OP_2 << ToByteVector(pubkey) << OP_1 << OP_CHECKMULTISIG; 183 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 184 185 // TxoutType::MULTISIG n = 2 with 1 pubkey 186 s.clear(); 187 s << OP_1 << ToByteVector(pubkey) << OP_2 << OP_CHECKMULTISIG; 188 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 189 190 // TxoutType::MULTISIG n = 1 with 0 pubkeys 191 s.clear(); 192 s << OP_1 << OP_1 << OP_CHECKMULTISIG; 193 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 194 195 // TxoutType::NULL_DATA with other opcodes 196 s.clear(); 197 s << OP_RETURN << std::vector<unsigned char>({75}) << OP_ADD; 198 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 199 200 // TxoutType::WITNESS_V0_{KEY,SCRIPT}HASH with incorrect program size (-> consensus-invalid, i.e. non-standard) 201 s.clear(); 202 s << OP_0 << std::vector<unsigned char>(19, 0x01); 203 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD); 204 205 // TxoutType::WITNESS_V1_TAPROOT with incorrect program size (-> undefined, but still policy-valid) 206 s.clear(); 207 s << OP_1 << std::vector<unsigned char>(31, 0x01); 208 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN); 209 s.clear(); 210 s << OP_1 << std::vector<unsigned char>(33, 0x01); 211 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN); 212 213 // TxoutType::ANCHOR but wrong witness version 214 s.clear(); 215 s << OP_2 << ANCHOR_BYTES; 216 BOOST_CHECK(!s.IsPayToAnchor()); 217 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN); 218 219 // TxoutType::ANCHOR but wrong 2-byte data push 220 s.clear(); 221 s << OP_1 << std::vector<unsigned char>{0xff, 0xff}; 222 BOOST_CHECK(!s.IsPayToAnchor()); 223 BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN); 224 } 225 226 BOOST_AUTO_TEST_CASE(script_standard_ExtractDestination) 227 { 228 CKey key = GenerateRandomKey(); 229 CPubKey pubkey = key.GetPubKey(); 230 231 CScript s; 232 CTxDestination address; 233 234 // TxoutType::PUBKEY 235 s.clear(); 236 s << ToByteVector(pubkey) << OP_CHECKSIG; 237 BOOST_CHECK(!ExtractDestination(s, address)); 238 BOOST_CHECK(std::get<PubKeyDestination>(address) == PubKeyDestination(pubkey)); 239 240 // TxoutType::PUBKEYHASH 241 s.clear(); 242 s << OP_DUP << OP_HASH160 << ToByteVector(pubkey.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG; 243 BOOST_CHECK(ExtractDestination(s, address)); 244 BOOST_CHECK(std::get<PKHash>(address) == PKHash(pubkey)); 245 246 // TxoutType::SCRIPTHASH 247 CScript redeemScript(s); // initialize with leftover P2PKH script 248 s.clear(); 249 s << OP_HASH160 << ToByteVector(CScriptID(redeemScript)) << OP_EQUAL; 250 BOOST_CHECK(ExtractDestination(s, address)); 251 BOOST_CHECK(std::get<ScriptHash>(address) == ScriptHash(redeemScript)); 252 253 // TxoutType::MULTISIG 254 s.clear(); 255 s << OP_1 << ToByteVector(pubkey) << OP_1 << OP_CHECKMULTISIG; 256 BOOST_CHECK(!ExtractDestination(s, address)); 257 258 // TxoutType::NULL_DATA 259 s.clear(); 260 s << OP_RETURN << std::vector<unsigned char>({75}); 261 BOOST_CHECK(!ExtractDestination(s, address)); 262 263 // TxoutType::WITNESS_V0_KEYHASH 264 s.clear(); 265 s << OP_0 << ToByteVector(pubkey.GetID()); 266 BOOST_CHECK(ExtractDestination(s, address)); 267 WitnessV0KeyHash keyhash; 268 CHash160().Write(pubkey).Finalize(keyhash); 269 BOOST_CHECK(std::get<WitnessV0KeyHash>(address) == keyhash); 270 271 // TxoutType::WITNESS_V0_SCRIPTHASH 272 s.clear(); 273 WitnessV0ScriptHash scripthash; 274 CSHA256().Write(redeemScript.data(), redeemScript.size()).Finalize(scripthash.begin()); 275 s << OP_0 << ToByteVector(scripthash); 276 BOOST_CHECK(ExtractDestination(s, address)); 277 BOOST_CHECK(std::get<WitnessV0ScriptHash>(address) == scripthash); 278 279 // TxoutType::WITNESS_V1_TAPROOT 280 s.clear(); 281 auto xpk = XOnlyPubKey(pubkey); 282 s << OP_1 << ToByteVector(xpk); 283 BOOST_CHECK(ExtractDestination(s, address)); 284 BOOST_CHECK(std::get<WitnessV1Taproot>(address) == WitnessV1Taproot(xpk)); 285 286 // TxoutType::ANCHOR 287 s.clear(); 288 s << OP_1 << ANCHOR_BYTES; 289 BOOST_CHECK(ExtractDestination(s, address)); 290 BOOST_CHECK(std::get<PayToAnchor>(address) == PayToAnchor()); 291 292 // TxoutType::WITNESS_UNKNOWN with unknown version 293 // -> segwit version 1 with an undefined program size (33 bytes in this test case) 294 s.clear(); 295 s << OP_1 << ToByteVector(pubkey); 296 BOOST_CHECK(ExtractDestination(s, address)); 297 WitnessUnknown unk_v1{1, ToByteVector(pubkey)}; 298 BOOST_CHECK(std::get<WitnessUnknown>(address) == unk_v1); 299 s.clear(); 300 // -> segwit versions 2+ are not specified yet 301 s << OP_2 << ToByteVector(xpk); 302 BOOST_CHECK(ExtractDestination(s, address)); 303 WitnessUnknown unk_v2{2, ToByteVector(xpk)}; 304 BOOST_CHECK(std::get<WitnessUnknown>(address) == unk_v2); 305 } 306 307 BOOST_AUTO_TEST_CASE(script_standard_GetScriptFor_) 308 { 309 CKey keys[3]; 310 CPubKey pubkeys[3]; 311 for (int i = 0; i < 3; i++) { 312 keys[i].MakeNewKey(true); 313 pubkeys[i] = keys[i].GetPubKey(); 314 } 315 316 CScript expected, result; 317 318 // PKHash 319 expected.clear(); 320 expected << OP_DUP << OP_HASH160 << ToByteVector(pubkeys[0].GetID()) << OP_EQUALVERIFY << OP_CHECKSIG; 321 result = GetScriptForDestination(PKHash(pubkeys[0])); 322 BOOST_CHECK(result == expected); 323 324 // CScriptID 325 CScript redeemScript(result); 326 expected.clear(); 327 expected << OP_HASH160 << ToByteVector(CScriptID(redeemScript)) << OP_EQUAL; 328 result = GetScriptForDestination(ScriptHash(redeemScript)); 329 BOOST_CHECK(result == expected); 330 331 // CNoDestination 332 expected.clear(); 333 result = GetScriptForDestination(CNoDestination()); 334 BOOST_CHECK(result == expected); 335 336 // GetScriptForRawPubKey 337 expected.clear(); 338 expected << ToByteVector(pubkeys[0]) << OP_CHECKSIG; 339 result = GetScriptForRawPubKey(pubkeys[0]); 340 BOOST_CHECK(result == expected); 341 342 // GetScriptForMultisig 343 expected.clear(); 344 expected << OP_2 << 345 ToByteVector(pubkeys[0]) << 346 ToByteVector(pubkeys[1]) << 347 ToByteVector(pubkeys[2]) << 348 OP_3 << OP_CHECKMULTISIG; 349 result = GetScriptForMultisig(2, std::vector<CPubKey>(pubkeys, pubkeys + 3)); 350 BOOST_CHECK(result == expected); 351 352 // WitnessV0KeyHash 353 expected.clear(); 354 expected << OP_0 << ToByteVector(pubkeys[0].GetID()); 355 result = GetScriptForDestination(WitnessV0KeyHash(Hash160(ToByteVector(pubkeys[0])))); 356 BOOST_CHECK(result == expected); 357 result = GetScriptForDestination(WitnessV0KeyHash(pubkeys[0].GetID())); 358 BOOST_CHECK(result == expected); 359 360 // WitnessV0ScriptHash (multisig) 361 CScript witnessScript; 362 witnessScript << OP_1 << ToByteVector(pubkeys[0]) << OP_1 << OP_CHECKMULTISIG; 363 364 uint256 scriptHash; 365 CSHA256().Write(witnessScript.data(), witnessScript.size()) 366 .Finalize(scriptHash.begin()); 367 368 expected.clear(); 369 expected << OP_0 << ToByteVector(scriptHash); 370 result = GetScriptForDestination(WitnessV0ScriptHash(witnessScript)); 371 BOOST_CHECK(result == expected); 372 373 // WitnessV1Taproot 374 auto xpk = XOnlyPubKey(pubkeys[0]); 375 expected.clear(); 376 expected << OP_1 << ToByteVector(xpk); 377 result = GetScriptForDestination(WitnessV1Taproot(xpk)); 378 BOOST_CHECK(result == expected); 379 380 // PayToAnchor 381 expected.clear(); 382 expected << OP_1 << ANCHOR_BYTES; 383 result = GetScriptForDestination(PayToAnchor()); 384 BOOST_CHECK(result == expected); 385 } 386 387 BOOST_AUTO_TEST_CASE(script_standard_taproot_builder) 388 { 389 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({}), true); 390 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0}), true); 391 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1}), false); 392 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2}), false); 393 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,0}), false); 394 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,1}), false); 395 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,2}), false); 396 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,0}), false); 397 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,1}), true); 398 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,2}), false); 399 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,0}), false); 400 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,1}), false); 401 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,2}), false); 402 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,0,0}), false); 403 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,0,1}), false); 404 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,0,2}), false); 405 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,1,0}), false); 406 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,1,1}), false); 407 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,1,2}), false); 408 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,2,0}), false); 409 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,2,1}), false); 410 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({0,2,2}), false); 411 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,0,0}), false); 412 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,0,1}), false); 413 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,0,2}), false); 414 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,1,0}), false); 415 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,1,1}), false); 416 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,1,2}), false); 417 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,2,0}), false); 418 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,2,1}), false); 419 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({1,2,2}), true); 420 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,0,0}), false); 421 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,0,1}), false); 422 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,0,2}), false); 423 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,1,0}), false); 424 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,1,1}), false); 425 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,1,2}), false); 426 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,2,0}), false); 427 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,2,1}), true); 428 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,2,2}), false); 429 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({2,2,2,3,4,5,6,7,8,9,10,11,12,14,14,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,31,31,31,31,31,31,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,128}), true); 430 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({128,128,127,126,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1}), true); 431 BOOST_CHECK_EQUAL(TaprootBuilder::ValidDepths({129,129,128,127,126,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1}), false); 432 433 XOnlyPubKey key_inner{"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"_hex_u8}; 434 XOnlyPubKey key_1{"c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5"_hex_u8}; 435 XOnlyPubKey key_2{"f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f9"_hex_u8}; 436 CScript script_1 = CScript() << ToByteVector(key_1) << OP_CHECKSIG; 437 CScript script_2 = CScript() << ToByteVector(key_2) << OP_CHECKSIG; 438 constexpr uint256 hash_3{"31fe7061656bea2a36aa60a2f7ef940578049273746935d296426dc0afd86b68"}; 439 440 TaprootBuilder builder; 441 BOOST_CHECK(builder.IsValid() && builder.IsComplete()); 442 builder.Add(2, script_2, 0xc0); 443 BOOST_CHECK(builder.IsValid() && !builder.IsComplete()); 444 builder.AddOmitted(2, hash_3); 445 BOOST_CHECK(builder.IsValid() && !builder.IsComplete()); 446 builder.Add(1, script_1, 0xc0); 447 BOOST_CHECK(builder.IsValid() && builder.IsComplete()); 448 builder.Finalize(key_inner); 449 BOOST_CHECK(builder.IsValid() && builder.IsComplete()); 450 BOOST_CHECK_EQUAL(EncodeDestination(builder.GetOutput()), "bc1pj6gaw944fy0xpmzzu45ugqde4rz7mqj5kj0tg8kmr5f0pjq8vnaqgynnge"); 451 } 452 453 BOOST_AUTO_TEST_CASE(bip341_spk_test_vectors) 454 { 455 using control_set = decltype(TaprootSpendData::scripts)::mapped_type; 456 457 UniValue tests; 458 tests.read(json_tests::bip341_wallet_vectors); 459 460 const auto& vectors = tests["scriptPubKey"]; 461 462 for (const auto& vec : vectors.getValues()) { 463 TaprootBuilder spktest; 464 std::map<std::pair<std::vector<unsigned char>, int>, int> scriptposes; 465 std::function<void (const UniValue&, int)> parse_tree = [&](const UniValue& node, int depth) { 466 if (node.isNull()) return; 467 if (node.isObject()) { 468 auto script = ParseHex(node["script"].get_str()); 469 int idx = node["id"].getInt<int>(); 470 int leaf_version = node["leafVersion"].getInt<int>(); 471 scriptposes[{script, leaf_version}] = idx; 472 spktest.Add(depth, script, leaf_version); 473 } else { 474 parse_tree(node[0], depth + 1); 475 parse_tree(node[1], depth + 1); 476 } 477 }; 478 parse_tree(vec["given"]["scriptTree"], 0); 479 spktest.Finalize(XOnlyPubKey(ParseHex(vec["given"]["internalPubkey"].get_str()))); 480 BOOST_CHECK_EQUAL(HexStr(GetScriptForDestination(spktest.GetOutput())), vec["expected"]["scriptPubKey"].get_str()); 481 BOOST_CHECK_EQUAL(EncodeDestination(spktest.GetOutput()), vec["expected"]["bip350Address"].get_str()); 482 auto spend_data = spktest.GetSpendData(); 483 BOOST_CHECK_EQUAL(vec["intermediary"]["merkleRoot"].isNull(), spend_data.merkle_root.IsNull()); 484 if (!spend_data.merkle_root.IsNull()) { 485 BOOST_CHECK_EQUAL(vec["intermediary"]["merkleRoot"].get_str(), HexStr(spend_data.merkle_root)); 486 } 487 BOOST_CHECK_EQUAL(spend_data.scripts.size(), scriptposes.size()); 488 for (const auto& scriptpos : scriptposes) { 489 BOOST_CHECK(spend_data.scripts[scriptpos.first] == control_set{ParseHex(vec["expected"]["scriptPathControlBlocks"][scriptpos.second].get_str())}); 490 } 491 } 492 } 493 494 BOOST_AUTO_TEST_SUITE_END()