/ src / test / script_p2sh_tests.cpp
script_p2sh_tests.cpp
  1  // Copyright (c) 2012-present 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 <consensus/tx_verify.h>
  6  #include <key.h>
  7  #include <policy/policy.h>
  8  #include <policy/settings.h>
  9  #include <script/script.h>
 10  #include <script/script_error.h>
 11  #include <script/sign.h>
 12  #include <script/signingprovider.h>
 13  #include <test/util/setup_common.h>
 14  #include <test/util/transaction_utils.h>
 15  #include <validation.h>
 16  
 17  #include <vector>
 18  
 19  #include <boost/test/unit_test.hpp>
 20  
 21  // Helpers:
 22  static bool IsStandardTx(const CTransaction& tx, bool permit_bare_multisig, std::string& reason)
 23  {
 24      return IsStandardTx(tx, std::nullopt, permit_bare_multisig, CFeeRate{DUST_RELAY_TX_FEE}, reason);
 25  }
 26  
 27  static bool IsStandardTx(const CTransaction& tx, std::string& reason)
 28  {
 29      return IsStandardTx(tx, std::nullopt, /*permit_bare_multisig=*/true, CFeeRate{DUST_RELAY_TX_FEE}, reason) &&
 30             IsStandardTx(tx, std::nullopt, /*permit_bare_multisig=*/false, CFeeRate{DUST_RELAY_TX_FEE}, reason);
 31  }
 32  
 33  static std::vector<unsigned char> Serialize(const CScript& s)
 34  {
 35      std::vector<unsigned char> sSerialized(s.begin(), s.end());
 36      return sSerialized;
 37  }
 38  
 39  static bool Verify(const CScript& scriptSig, const CScript& scriptPubKey, bool fStrict, ScriptError& err)
 40  {
 41      // Create dummy to/from transactions:
 42      CMutableTransaction txFrom;
 43      txFrom.vout.resize(1);
 44      txFrom.vout[0].scriptPubKey = scriptPubKey;
 45  
 46      CMutableTransaction txTo;
 47      txTo.vin.resize(1);
 48      txTo.vout.resize(1);
 49      txTo.vin[0].prevout.n = 0;
 50      txTo.vin[0].prevout.hash = txFrom.GetHash();
 51      txTo.vin[0].scriptSig = scriptSig;
 52      txTo.vout[0].nValue = 1;
 53  
 54      return VerifyScript(scriptSig, scriptPubKey, nullptr, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE, MutableTransactionSignatureChecker(&txTo, 0, txFrom.vout[0].nValue, MissingDataBehavior::ASSERT_FAIL), &err);
 55  }
 56  
 57  
 58  BOOST_FIXTURE_TEST_SUITE(script_p2sh_tests, BasicTestingSetup)
 59  
 60  BOOST_AUTO_TEST_CASE(sign)
 61  {
 62      // Pay-to-script-hash looks like this:
 63      // scriptSig:    <sig> <sig...> <serialized_script>
 64      // scriptPubKey: HASH160 <hash> EQUAL
 65  
 66      // Test SignSignature() (and therefore the version of Solver() that signs transactions)
 67      FillableSigningProvider keystore;
 68      CKey key[4];
 69      for (int i = 0; i < 4; i++)
 70      {
 71          key[i].MakeNewKey(true);
 72          BOOST_CHECK(keystore.AddKey(key[i]));
 73      }
 74  
 75      // 8 Scripts: checking all combinations of
 76      // different keys, straight/P2SH, pubkey/pubkeyhash
 77      CScript standardScripts[4];
 78      standardScripts[0] << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
 79      standardScripts[1] = GetScriptForDestination(PKHash(key[1].GetPubKey()));
 80      standardScripts[2] << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG;
 81      standardScripts[3] = GetScriptForDestination(PKHash(key[2].GetPubKey()));
 82      CScript evalScripts[4];
 83      for (int i = 0; i < 4; i++)
 84      {
 85          BOOST_CHECK(keystore.AddCScript(standardScripts[i]));
 86          evalScripts[i] = GetScriptForDestination(ScriptHash(standardScripts[i]));
 87      }
 88  
 89      CMutableTransaction txFrom;  // Funding transaction:
 90      std::string reason;
 91      txFrom.vout.resize(8);
 92      for (int i = 0; i < 4; i++)
 93      {
 94          txFrom.vout[i].scriptPubKey = evalScripts[i];
 95          txFrom.vout[i].nValue = COIN;
 96          txFrom.vout[i+4].scriptPubKey = standardScripts[i];
 97          txFrom.vout[i+4].nValue = COIN;
 98      }
 99      BOOST_CHECK(IsStandardTx(CTransaction(txFrom), reason));
100  
101      CMutableTransaction txTo[8]; // Spending transactions
102      for (int i = 0; i < 8; i++)
103      {
104          txTo[i].vin.resize(1);
105          txTo[i].vout.resize(1);
106          txTo[i].vin[0].prevout.n = i;
107          txTo[i].vin[0].prevout.hash = txFrom.GetHash();
108          txTo[i].vout[0].nValue = 1;
109      }
110      for (int i = 0; i < 8; i++)
111      {
112          SignatureData empty;
113          BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL, empty), strprintf("SignSignature %d", i));
114      }
115      // All of the above should be OK, and the txTos have valid signatures
116      // Check to make sure signature verification fails if we use the wrong ScriptSig:
117      SignatureCache signature_cache{DEFAULT_SIGNATURE_CACHE_BYTES};
118      for (int i = 0; i < 8; i++) {
119          PrecomputedTransactionData txdata(txTo[i]);
120          for (int j = 0; j < 8; j++)
121          {
122              CScript sigSave = txTo[i].vin[0].scriptSig;
123              txTo[i].vin[0].scriptSig = txTo[j].vin[0].scriptSig;
124              bool sigOK = !CScriptCheck(txFrom.vout[txTo[i].vin[0].prevout.n], CTransaction(txTo[i]), signature_cache, 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, false, &txdata)().has_value();
125              if (i == j)
126                  BOOST_CHECK_MESSAGE(sigOK, strprintf("VerifySignature %d %d", i, j));
127              else
128                  BOOST_CHECK_MESSAGE(!sigOK, strprintf("VerifySignature %d %d", i, j));
129              txTo[i].vin[0].scriptSig = sigSave;
130          }
131      }
132  }
133  
134  BOOST_AUTO_TEST_CASE(norecurse)
135  {
136      ScriptError err;
137      // Make sure only the outer pay-to-script-hash does the
138      // extra-validation thing:
139      CScript invalidAsScript;
140      invalidAsScript << OP_INVALIDOPCODE << OP_INVALIDOPCODE;
141  
142      CScript p2sh = GetScriptForDestination(ScriptHash(invalidAsScript));
143  
144      CScript scriptSig;
145      scriptSig << Serialize(invalidAsScript);
146  
147      // Should not verify, because it will try to execute OP_INVALIDOPCODE
148      BOOST_CHECK(!Verify(scriptSig, p2sh, true, err));
149      BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_BAD_OPCODE, ScriptErrorString(err));
150  
151      // Try to recur, and verification should succeed because
152      // the inner HASH160 <> EQUAL should only check the hash:
153      CScript p2sh2 = GetScriptForDestination(ScriptHash(p2sh));
154      CScript scriptSig2;
155      scriptSig2 << Serialize(invalidAsScript) << Serialize(p2sh);
156  
157      BOOST_CHECK(Verify(scriptSig2, p2sh2, true, err));
158      BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
159  }
160  
161  BOOST_AUTO_TEST_CASE(set)
162  {
163      // Test the CScript::Set* methods
164      FillableSigningProvider keystore;
165      CKey key[4];
166      std::vector<CPubKey> keys;
167      keys.reserve(4);
168      for (int i = 0; i < 4; i++)
169      {
170          key[i].MakeNewKey(true);
171          BOOST_CHECK(keystore.AddKey(key[i]));
172          keys.push_back(key[i].GetPubKey());
173      }
174  
175      CScript inner[4];
176      inner[0] = GetScriptForDestination(PKHash(key[0].GetPubKey()));
177      inner[1] = GetScriptForMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
178      inner[2] = GetScriptForMultisig(1, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
179      inner[3] = GetScriptForMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+3));
180  
181      CScript outer[4];
182      for (int i = 0; i < 4; i++)
183      {
184          outer[i] = GetScriptForDestination(ScriptHash(inner[i]));
185          BOOST_CHECK(keystore.AddCScript(inner[i]));
186      }
187  
188      CMutableTransaction txFrom;  // Funding transaction:
189      std::string reason;
190      txFrom.vout.resize(4);
191      for (int i = 0; i < 4; i++)
192      {
193          txFrom.vout[i].scriptPubKey = outer[i];
194          txFrom.vout[i].nValue = CENT;
195      }
196      BOOST_CHECK(IsStandardTx(CTransaction(txFrom), reason));
197  
198      CMutableTransaction txTo[4]; // Spending transactions
199      for (int i = 0; i < 4; i++)
200      {
201          txTo[i].vin.resize(1);
202          txTo[i].vout.resize(1);
203          txTo[i].vin[0].prevout.n = i;
204          txTo[i].vin[0].prevout.hash = txFrom.GetHash();
205          txTo[i].vout[0].nValue = 1*CENT;
206          txTo[i].vout[0].scriptPubKey = inner[i];
207      }
208      for (int i = 0; i < 4; i++)
209      {
210          SignatureData empty;
211          BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL, empty), strprintf("SignSignature %d", i));
212          BOOST_CHECK_MESSAGE(IsStandardTx(CTransaction(txTo[i]), /*permit_bare_multisig=*/true, reason), strprintf("txTo[%d].IsStandard", i));
213          bool no_pbms_is_std = IsStandardTx(CTransaction(txTo[i]), /*permit_bare_multisig=*/false, reason);
214          BOOST_CHECK_MESSAGE((i == 0 ? no_pbms_is_std : !no_pbms_is_std), strprintf("txTo[%d].IsStandard(permbaremulti=false)", i));
215      }
216  }
217  
218  BOOST_AUTO_TEST_CASE(is)
219  {
220      // Test CScript::IsPayToScriptHash()
221      uint160 dummy;
222      CScript p2sh;
223      p2sh << OP_HASH160 << ToByteVector(dummy) << OP_EQUAL;
224      BOOST_CHECK(p2sh.IsPayToScriptHash());
225  
226      std::vector<unsigned char> direct = {OP_HASH160, 20};
227      direct.insert(direct.end(), 20, 0);
228      direct.push_back(OP_EQUAL);
229      BOOST_CHECK(CScript(direct.begin(), direct.end()).IsPayToScriptHash());
230  
231      // Not considered pay-to-script-hash if using one of the OP_PUSHDATA opcodes:
232      std::vector<unsigned char> pushdata1 = {OP_HASH160, OP_PUSHDATA1, 20};
233      pushdata1.insert(pushdata1.end(), 20, 0);
234      pushdata1.push_back(OP_EQUAL);
235      BOOST_CHECK(!CScript(pushdata1.begin(), pushdata1.end()).IsPayToScriptHash());
236      std::vector<unsigned char> pushdata2 = {OP_HASH160, OP_PUSHDATA2, 20, 0};
237      pushdata2.insert(pushdata2.end(), 20, 0);
238      pushdata2.push_back(OP_EQUAL);
239      BOOST_CHECK(!CScript(pushdata2.begin(), pushdata2.end()).IsPayToScriptHash());
240      std::vector<unsigned char> pushdata4 = {OP_HASH160, OP_PUSHDATA4, 20, 0, 0, 0};
241      pushdata4.insert(pushdata4.end(), 20, 0);
242      pushdata4.push_back(OP_EQUAL);
243      BOOST_CHECK(!CScript(pushdata4.begin(), pushdata4.end()).IsPayToScriptHash());
244  
245      CScript not_p2sh;
246      BOOST_CHECK(!not_p2sh.IsPayToScriptHash());
247  
248      not_p2sh.clear(); not_p2sh << OP_HASH160 << ToByteVector(dummy) << ToByteVector(dummy) << OP_EQUAL;
249      BOOST_CHECK(!not_p2sh.IsPayToScriptHash());
250  
251      not_p2sh.clear(); not_p2sh << OP_NOP << ToByteVector(dummy) << OP_EQUAL;
252      BOOST_CHECK(!not_p2sh.IsPayToScriptHash());
253  
254      not_p2sh.clear(); not_p2sh << OP_HASH160 << ToByteVector(dummy) << OP_CHECKSIG;
255      BOOST_CHECK(!not_p2sh.IsPayToScriptHash());
256  }
257  
258  BOOST_AUTO_TEST_CASE(switchover)
259  {
260      // Test switch over code
261      CScript notValid;
262      ScriptError err;
263      notValid << OP_11 << OP_12 << OP_EQUALVERIFY;
264      CScript scriptSig;
265      scriptSig << Serialize(notValid);
266  
267      CScript fund = GetScriptForDestination(ScriptHash(notValid));
268  
269  
270      // Validation should succeed under old rules (hash is correct):
271      BOOST_CHECK(Verify(scriptSig, fund, false, err));
272      BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
273      // Fail under new:
274      BOOST_CHECK(!Verify(scriptSig, fund, true, err));
275      BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EQUALVERIFY, ScriptErrorString(err));
276  }
277  
278  BOOST_AUTO_TEST_CASE(ValidateInputsStandardness)
279  {
280      CCoinsViewCache coins{&CoinsViewEmpty::Get()};
281      FillableSigningProvider keystore;
282      CKey key[6];
283      for (int i = 0; i < 6; i++)
284      {
285          key[i].MakeNewKey(true);
286          BOOST_CHECK(keystore.AddKey(key[i]));
287      }
288      std::vector<CPubKey> keys;
289      keys.reserve(3);
290      for (int i = 0; i < 3; i++)
291          keys.push_back(key[i].GetPubKey());
292  
293      CMutableTransaction txFrom;
294      txFrom.vout.resize(10);
295  
296      // First three are standard:
297      CScript pay1 = GetScriptForDestination(PKHash(key[0].GetPubKey()));
298      BOOST_CHECK(keystore.AddCScript(pay1));
299      CScript pay1of3 = GetScriptForMultisig(1, keys);
300  
301      txFrom.vout[0].scriptPubKey = GetScriptForDestination(ScriptHash(pay1)); // P2SH (OP_CHECKSIG)
302      txFrom.vout[0].nValue = 1000;
303      txFrom.vout[1].scriptPubKey = pay1; // ordinary OP_CHECKSIG
304      txFrom.vout[1].nValue = 2000;
305      txFrom.vout[2].scriptPubKey = pay1of3; // ordinary OP_CHECKMULTISIG
306      txFrom.vout[2].nValue = 3000;
307  
308      // vout[3] is complicated 1-of-3 AND 2-of-3
309      // ... that is OK if wrapped in P2SH:
310      CScript oneAndTwo;
311      oneAndTwo << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(key[2].GetPubKey());
312      oneAndTwo << OP_3 << OP_CHECKMULTISIGVERIFY;
313      oneAndTwo << OP_2 << ToByteVector(key[3].GetPubKey()) << ToByteVector(key[4].GetPubKey()) << ToByteVector(key[5].GetPubKey());
314      oneAndTwo << OP_3 << OP_CHECKMULTISIG;
315      BOOST_CHECK(keystore.AddCScript(oneAndTwo));
316      txFrom.vout[3].scriptPubKey = GetScriptForDestination(ScriptHash(oneAndTwo));
317      txFrom.vout[3].nValue = 4000;
318  
319      // vout[4] is max sigops:
320      CScript fifteenSigops; fifteenSigops << OP_1;
321      for (unsigned i = 0; i < MAX_P2SH_SIGOPS; i++)
322          fifteenSigops << ToByteVector(key[i%3].GetPubKey());
323      fifteenSigops << OP_15 << OP_CHECKMULTISIG;
324      BOOST_CHECK(keystore.AddCScript(fifteenSigops));
325      txFrom.vout[4].scriptPubKey = GetScriptForDestination(ScriptHash(fifteenSigops));
326      txFrom.vout[4].nValue = 5000;
327  
328      // vout[5/6] are non-standard because they exceed MAX_P2SH_SIGOPS
329      CScript sixteenSigops; sixteenSigops << OP_16 << OP_CHECKMULTISIG;
330      BOOST_CHECK(keystore.AddCScript(sixteenSigops));
331      txFrom.vout[5].scriptPubKey = GetScriptForDestination(ScriptHash(sixteenSigops));
332      txFrom.vout[5].nValue = 5000;
333      CScript twentySigops; twentySigops << OP_CHECKMULTISIG;
334      BOOST_CHECK(keystore.AddCScript(twentySigops));
335      txFrom.vout[6].scriptPubKey = GetScriptForDestination(ScriptHash(twentySigops));
336      txFrom.vout[6].nValue = 3000;
337  
338      // vout[7] is non-standard because it lacks sigops
339      CScript no_sigops;
340      txFrom.vout[7].scriptPubKey = no_sigops;
341      txFrom.vout[7].nValue = 1000;
342  
343      // vout [8] is non-standard because it contains OP_RETURN in its redeemScript.
344      static const unsigned char op_return[] = {OP_RETURN};
345      const auto op_return_script = CScript(op_return, op_return + sizeof(op_return));
346      txFrom.vout[8].scriptPubKey = GetScriptForDestination(ScriptHash(op_return_script));
347      txFrom.vout[8].nValue = 1000;
348  
349      // vout[9] is non-standard because its witness is unknown
350      CScript witnessUnknown;
351      witnessUnknown << OP_16 << ToByteVector(uint256::ONE);
352      txFrom.vout[9].scriptPubKey = witnessUnknown;
353      txFrom.vout[9].nValue = 1000;
354  
355      AddCoins(coins, CTransaction(txFrom), 0);
356  
357      CMutableTransaction txTo;
358      txTo.vout.resize(1);
359      txTo.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
360  
361      txTo.vin.resize(5);
362      for (int i = 0; i < 5; i++)
363      {
364          txTo.vin[i].prevout.n = i;
365          txTo.vin[i].prevout.hash = txFrom.GetHash();
366      }
367      SignatureData empty;
368      BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 0, SIGHASH_ALL, empty));
369      SignatureData empty_b;
370      BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 1, SIGHASH_ALL, empty_b));
371      SignatureData empty_c;
372      BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 2, SIGHASH_ALL, empty_c));
373      // SignSignature doesn't know how to sign these. We're
374      // not testing validating signatures, so just create
375      // dummy signatures that DO include the correct P2SH scripts:
376      txTo.vin[3].scriptSig << OP_11 << OP_11 << std::vector<unsigned char>(oneAndTwo.begin(), oneAndTwo.end());
377      txTo.vin[4].scriptSig << std::vector<unsigned char>(fifteenSigops.begin(), fifteenSigops.end());
378  
379      BOOST_CHECK(::ValidateInputsStandardness(CTransaction(txTo), coins).IsValid());
380      // 22 P2SH sigops for all inputs (1 for vin[0], 6 for vin[3], 15 for vin[4]
381      BOOST_CHECK_EQUAL(GetP2SHSigOpCount(CTransaction(txTo), coins), 22U);
382  
383      CMutableTransaction coinbase_tx_mut;
384      coinbase_tx_mut.vin.resize(1);
385      CTransaction coinbase_tx{coinbase_tx_mut};
386      BOOST_CHECK(coinbase_tx.IsCoinBase());
387      BOOST_CHECK_EQUAL(GetP2SHSigOpCount(coinbase_tx, coins), 0U);
388  
389      // TxoutType::SCRIPTHASH
390      CMutableTransaction txToNonStd1;
391      txToNonStd1.vout.resize(1);
392      txToNonStd1.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
393      txToNonStd1.vout[0].nValue = 1000;
394      txToNonStd1.vin.resize(1);
395      txToNonStd1.vin[0].prevout.n = 5;
396      txToNonStd1.vin[0].prevout.hash = txFrom.GetHash();
397      txToNonStd1.vin[0].scriptSig << std::vector<unsigned char>(sixteenSigops.begin(), sixteenSigops.end());
398  
399      const auto txToNonStd1_res = ::ValidateInputsStandardness(CTransaction(txToNonStd1), coins);
400      BOOST_CHECK(txToNonStd1_res.IsInvalid());
401      BOOST_CHECK_EQUAL(txToNonStd1_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
402      BOOST_CHECK_EQUAL(txToNonStd1_res.GetDebugMessage(), "p2sh redeemscript sigops exceed limit (input 0: 16 > 15)");
403  
404      BOOST_CHECK_EQUAL(GetP2SHSigOpCount(CTransaction(txToNonStd1), coins), 16U);
405  
406      CMutableTransaction txToNonStd2;
407      txToNonStd2.vout.resize(1);
408      txToNonStd2.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
409      txToNonStd2.vout[0].nValue = 1000;
410      txToNonStd2.vin.resize(1);
411      txToNonStd2.vin[0].prevout.n = 6;
412      txToNonStd2.vin[0].prevout.hash = txFrom.GetHash();
413      txToNonStd2.vin[0].scriptSig << std::vector<unsigned char>(twentySigops.begin(), twentySigops.end());
414  
415      const auto txToNonStd2_res = ::ValidateInputsStandardness(CTransaction(txToNonStd2), coins);
416      BOOST_CHECK(txToNonStd2_res.IsInvalid());
417      BOOST_CHECK_EQUAL(txToNonStd2_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
418      BOOST_CHECK_EQUAL(txToNonStd2_res.GetDebugMessage(), "p2sh redeemscript sigops exceed limit (input 0: 20 > 15)");
419      BOOST_CHECK_EQUAL(GetP2SHSigOpCount(CTransaction(txToNonStd2), coins), 20U);
420  
421      CMutableTransaction txToNonStd2_no_scriptSig;
422      txToNonStd2_no_scriptSig.vout.resize(1);
423      txToNonStd2_no_scriptSig.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
424      txToNonStd2_no_scriptSig.vout[0].nValue = 1000;
425      txToNonStd2_no_scriptSig.vin.resize(1);
426      txToNonStd2_no_scriptSig.vin[0].prevout.n = 6;
427      txToNonStd2_no_scriptSig.vin[0].prevout.hash = txFrom.GetHash();
428  
429      const auto txToNonStd2_no_scriptSig_res = ::ValidateInputsStandardness(CTransaction(txToNonStd2_no_scriptSig), coins);
430      BOOST_CHECK(txToNonStd2_no_scriptSig_res.IsInvalid());
431      BOOST_CHECK_EQUAL(txToNonStd2_no_scriptSig_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
432      BOOST_CHECK_EQUAL(txToNonStd2_no_scriptSig_res.GetDebugMessage(), "input 0 P2SH redeemscript missing");
433      BOOST_CHECK_EQUAL(GetP2SHSigOpCount(CTransaction(txToNonStd2), coins), 20U);
434  
435      // TxoutType::NONSTANDARD
436      CMutableTransaction txToNonStd3;
437      txToNonStd3.vout.resize(1);
438      txToNonStd3.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
439      txToNonStd3.vout[0].nValue = 1000;
440      txToNonStd3.vin.resize(1);
441      txToNonStd3.vin[0].prevout.n = 7;
442      txToNonStd3.vin[0].prevout.hash = txFrom.GetHash();
443  
444      const auto txToNonStd3_res = ::ValidateInputsStandardness(CTransaction(txToNonStd3), coins);
445      BOOST_CHECK(txToNonStd3_res.IsInvalid());
446      BOOST_CHECK_EQUAL(txToNonStd3_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
447      BOOST_CHECK_EQUAL(txToNonStd3_res.GetDebugMessage(), "input 0 script unknown");
448  
449      // TxoutType::INCORRECT_SCRIPTSIG
450      CMutableTransaction txToNonStd4;
451      txToNonStd4.vout.resize(1);
452      txToNonStd4.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
453      txToNonStd4.vout[0].nValue = 1000;
454      txToNonStd4.vin.resize(1);
455      txToNonStd4.vin[0].prevout.n = 8;
456      txToNonStd4.vin[0].prevout.hash = txFrom.GetHash();
457      txToNonStd4.vin[0].scriptSig = op_return_script;
458  
459      const auto txToNonStd4_res = ::ValidateInputsStandardness(CTransaction(txToNonStd4), coins);
460      BOOST_CHECK(txToNonStd4_res.IsInvalid());
461      BOOST_CHECK_EQUAL(txToNonStd4_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
462      BOOST_CHECK_EQUAL(txToNonStd4_res.GetDebugMessage(), "p2sh scriptsig malformed (input 0: OP_RETURN was encountered)");
463  
464      // TxoutType::WITNESS_UNKNOWN
465      CMutableTransaction txWitnessUnknown;
466      txWitnessUnknown.vout.resize(1);
467      txWitnessUnknown.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[1].GetPubKey()));
468      txWitnessUnknown.vout[0].nValue = 1000;
469      txWitnessUnknown.vin.resize(1);
470      txWitnessUnknown.vin[0].prevout.n = 9;
471      txWitnessUnknown.vin[0].prevout.hash = txFrom.GetHash();
472      const auto txWitnessUnknown_res = ::ValidateInputsStandardness(CTransaction(txWitnessUnknown), coins);
473      BOOST_CHECK(txWitnessUnknown_res.IsInvalid());
474      BOOST_CHECK_EQUAL(txWitnessUnknown_res.GetRejectReason(), "bad-txns-nonstandard-inputs");
475      BOOST_CHECK_EQUAL(txWitnessUnknown_res.GetDebugMessage(), "input 0 witness program is undefined");
476  }
477  
478  BOOST_AUTO_TEST_SUITE_END()