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miner_tests.cpp 17KB

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  1. // Copyright (c) 2011-2015 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. #include "chainparams.h"
  5. #include "coins.h"
  6. #include "consensus/consensus.h"
  7. #include "consensus/merkle.h"
  8. #include "consensus/validation.h"
  9. #include "main.h"
  10. #include "miner.h"
  11. #include "pubkey.h"
  12. #include "script/standard.h"
  13. #include "txmempool.h"
  14. #include "uint256.h"
  15. #include "util.h"
  16. #include "utilstrencodings.h"
  17. #include "test/test_bitcoin.h"
  18. #include <boost/test/unit_test.hpp>
  19. BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)
  20. static
  21. struct {
  22. unsigned char extranonce;
  23. unsigned int nonce;
  24. } blockinfo[] = {
  25. {4, 0xa4a3e223}, {2, 0x15c32f9e}, {1, 0x0375b547}, {1, 0x7004a8a5},
  26. {2, 0xce440296}, {2, 0x52cfe198}, {1, 0x77a72cd0}, {2, 0xbb5d6f84},
  27. {2, 0x83f30c2c}, {1, 0x48a73d5b}, {1, 0xef7dcd01}, {2, 0x6809c6c4},
  28. {2, 0x0883ab3c}, {1, 0x087bbbe2}, {2, 0x2104a814}, {2, 0xdffb6daa},
  29. {1, 0xee8a0a08}, {2, 0xba4237c1}, {1, 0xa70349dc}, {1, 0x344722bb},
  30. {3, 0xd6294733}, {2, 0xec9f5c94}, {2, 0xca2fbc28}, {1, 0x6ba4f406},
  31. {2, 0x015d4532}, {1, 0x6e119b7c}, {2, 0x43e8f314}, {2, 0x27962f38},
  32. {2, 0xb571b51b}, {2, 0xb36bee23}, {2, 0xd17924a8}, {2, 0x6bc212d9},
  33. {1, 0x630d4948}, {2, 0x9a4c4ebb}, {2, 0x554be537}, {1, 0xd63ddfc7},
  34. {2, 0xa10acc11}, {1, 0x759a8363}, {2, 0xfb73090d}, {1, 0xe82c6a34},
  35. {1, 0xe33e92d7}, {3, 0x658ef5cb}, {2, 0xba32ff22}, {5, 0x0227a10c},
  36. {1, 0xa9a70155}, {5, 0xd096d809}, {1, 0x37176174}, {1, 0x830b8d0f},
  37. {1, 0xc6e3910e}, {2, 0x823f3ca8}, {1, 0x99850849}, {1, 0x7521fb81},
  38. {1, 0xaacaabab}, {1, 0xd645a2eb}, {5, 0x7aea1781}, {5, 0x9d6e4b78},
  39. {1, 0x4ce90fd8}, {1, 0xabdc832d}, {6, 0x4a34f32a}, {2, 0xf2524c1c},
  40. {2, 0x1bbeb08a}, {1, 0xad47f480}, {1, 0x9f026aeb}, {1, 0x15a95049},
  41. {2, 0xd1cb95b2}, {2, 0xf84bbda5}, {1, 0x0fa62cd1}, {1, 0xe05f9169},
  42. {1, 0x78d194a9}, {5, 0x3e38147b}, {5, 0x737ba0d4}, {1, 0x63378e10},
  43. {1, 0x6d5f91cf}, {2, 0x88612eb8}, {2, 0xe9639484}, {1, 0xb7fabc9d},
  44. {2, 0x19b01592}, {1, 0x5a90dd31}, {2, 0x5bd7e028}, {2, 0x94d00323},
  45. {1, 0xa9b9c01a}, {1, 0x3a40de61}, {1, 0x56e7eec7}, {5, 0x859f7ef6},
  46. {1, 0xfd8e5630}, {1, 0x2b0c9f7f}, {1, 0xba700e26}, {1, 0x7170a408},
  47. {1, 0x70de86a8}, {1, 0x74d64cd5}, {1, 0x49e738a1}, {2, 0x6910b602},
  48. {0, 0x643c565f}, {1, 0x54264b3f}, {2, 0x97ea6396}, {2, 0x55174459},
  49. {2, 0x03e8779a}, {1, 0x98f34d8f}, {1, 0xc07b2b07}, {1, 0xdfe29668},
  50. {1, 0x3141c7c1}, {1, 0xb3b595f4}, {1, 0x735abf08}, {5, 0x623bfbce},
  51. {2, 0xd351e722}, {1, 0xf4ca48c9}, {1, 0x5b19c670}, {1, 0xa164bf0e},
  52. {2, 0xbbbeb305}, {2, 0xfe1c810a},
  53. };
  54. CBlockIndex CreateBlockIndex(int nHeight)
  55. {
  56. CBlockIndex index;
  57. index.nHeight = nHeight;
  58. index.pprev = chainActive.Tip();
  59. return index;
  60. }
  61. bool TestSequenceLocks(const CTransaction &tx, int flags)
  62. {
  63. LOCK(mempool.cs);
  64. return CheckSequenceLocks(tx, flags);
  65. }
  66. // NOTE: These tests rely on CreateNewBlock doing its own self-validation!
  67. BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
  68. {
  69. const CChainParams& chainparams = Params(CBaseChainParams::MAIN);
  70. CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
  71. CBlockTemplate *pblocktemplate;
  72. CMutableTransaction tx,tx2;
  73. CScript script;
  74. uint256 hash;
  75. TestMemPoolEntryHelper entry;
  76. entry.nFee = 11;
  77. entry.dPriority = 111.0;
  78. entry.nHeight = 11;
  79. LOCK(cs_main);
  80. fCheckpointsEnabled = false;
  81. // Simple block creation, nothing special yet:
  82. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  83. // We can't make transactions until we have inputs
  84. // Therefore, load 100 blocks :)
  85. int baseheight = 0;
  86. std::vector<CTransaction*>txFirst;
  87. for (unsigned int i = 0; i < sizeof(blockinfo)/sizeof(*blockinfo); ++i)
  88. {
  89. CBlock *pblock = &pblocktemplate->block; // pointer for convenience
  90. pblock->nVersion = 1;
  91. pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
  92. CMutableTransaction txCoinbase(pblock->vtx[0]);
  93. txCoinbase.nVersion = 1;
  94. txCoinbase.vin[0].scriptSig = CScript();
  95. txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce);
  96. txCoinbase.vin[0].scriptSig.push_back(chainActive.Height());
  97. txCoinbase.vout[0].scriptPubKey = CScript();
  98. pblock->vtx[0] = CTransaction(txCoinbase);
  99. if (txFirst.size() == 0)
  100. baseheight = chainActive.Height();
  101. if (txFirst.size() < 4)
  102. txFirst.push_back(new CTransaction(pblock->vtx[0]));
  103. pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
  104. pblock->nNonce = blockinfo[i].nonce;
  105. CValidationState state;
  106. BOOST_CHECK(ProcessNewBlock(state, chainparams, NULL, pblock, true, NULL));
  107. BOOST_CHECK(state.IsValid());
  108. pblock->hashPrevBlock = pblock->GetHash();
  109. }
  110. delete pblocktemplate;
  111. // Just to make sure we can still make simple blocks
  112. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  113. delete pblocktemplate;
  114. // block sigops > limit: 1000 CHECKMULTISIG + 1
  115. tx.vin.resize(1);
  116. // NOTE: OP_NOP is used to force 20 SigOps for the CHECKMULTISIG
  117. tx.vin[0].scriptSig = CScript() << OP_0 << OP_0 << OP_0 << OP_NOP << OP_CHECKMULTISIG << OP_1;
  118. tx.vin[0].prevout.hash = txFirst[0]->GetHash();
  119. tx.vin[0].prevout.n = 0;
  120. tx.vout.resize(1);
  121. tx.vout[0].nValue = 5000000000LL;
  122. for (unsigned int i = 0; i < 1001; ++i)
  123. {
  124. tx.vout[0].nValue -= 1000000;
  125. hash = tx.GetHash();
  126. bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
  127. // If we don't set the # of sig ops in the CTxMemPoolEntry, template creation fails
  128. mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
  129. tx.vin[0].prevout.hash = hash;
  130. }
  131. BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
  132. mempool.clear();
  133. tx.vin[0].prevout.hash = txFirst[0]->GetHash();
  134. tx.vout[0].nValue = 5000000000LL;
  135. for (unsigned int i = 0; i < 1001; ++i)
  136. {
  137. tx.vout[0].nValue -= 1000000;
  138. hash = tx.GetHash();
  139. bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
  140. // If we do set the # of sig ops in the CTxMemPoolEntry, template creation passes
  141. mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOps(20).FromTx(tx));
  142. tx.vin[0].prevout.hash = hash;
  143. }
  144. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  145. delete pblocktemplate;
  146. mempool.clear();
  147. // block size > limit
  148. tx.vin[0].scriptSig = CScript();
  149. // 18 * (520char + DROP) + OP_1 = 9433 bytes
  150. std::vector<unsigned char> vchData(520);
  151. for (unsigned int i = 0; i < 18; ++i)
  152. tx.vin[0].scriptSig << vchData << OP_DROP;
  153. tx.vin[0].scriptSig << OP_1;
  154. tx.vin[0].prevout.hash = txFirst[0]->GetHash();
  155. tx.vout[0].nValue = 5000000000LL;
  156. for (unsigned int i = 0; i < 128; ++i)
  157. {
  158. tx.vout[0].nValue -= 10000000;
  159. hash = tx.GetHash();
  160. bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
  161. mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
  162. tx.vin[0].prevout.hash = hash;
  163. }
  164. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  165. delete pblocktemplate;
  166. mempool.clear();
  167. // orphan in mempool, template creation fails
  168. hash = tx.GetHash();
  169. mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).FromTx(tx));
  170. BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
  171. mempool.clear();
  172. // child with higher priority than parent
  173. tx.vin[0].scriptSig = CScript() << OP_1;
  174. tx.vin[0].prevout.hash = txFirst[1]->GetHash();
  175. tx.vout[0].nValue = 4900000000LL;
  176. hash = tx.GetHash();
  177. mempool.addUnchecked(hash, entry.Fee(100000000LL).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  178. tx.vin[0].prevout.hash = hash;
  179. tx.vin.resize(2);
  180. tx.vin[1].scriptSig = CScript() << OP_1;
  181. tx.vin[1].prevout.hash = txFirst[0]->GetHash();
  182. tx.vin[1].prevout.n = 0;
  183. tx.vout[0].nValue = 5900000000LL;
  184. hash = tx.GetHash();
  185. mempool.addUnchecked(hash, entry.Fee(400000000LL).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  186. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  187. delete pblocktemplate;
  188. mempool.clear();
  189. // coinbase in mempool, template creation fails
  190. tx.vin.resize(1);
  191. tx.vin[0].prevout.SetNull();
  192. tx.vin[0].scriptSig = CScript() << OP_0 << OP_1;
  193. tx.vout[0].nValue = 0;
  194. hash = tx.GetHash();
  195. // give it a fee so it'll get mined
  196. mempool.addUnchecked(hash, entry.Fee(100000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
  197. BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
  198. mempool.clear();
  199. // invalid (pre-p2sh) txn in mempool, template creation fails
  200. tx.vin[0].prevout.hash = txFirst[0]->GetHash();
  201. tx.vin[0].prevout.n = 0;
  202. tx.vin[0].scriptSig = CScript() << OP_1;
  203. tx.vout[0].nValue = 4900000000LL;
  204. script = CScript() << OP_0;
  205. tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script));
  206. hash = tx.GetHash();
  207. mempool.addUnchecked(hash, entry.Fee(10000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  208. tx.vin[0].prevout.hash = hash;
  209. tx.vin[0].scriptSig = CScript() << std::vector<unsigned char>(script.begin(), script.end());
  210. tx.vout[0].nValue -= 1000000;
  211. hash = tx.GetHash();
  212. mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
  213. BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
  214. mempool.clear();
  215. // double spend txn pair in mempool, template creation fails
  216. tx.vin[0].prevout.hash = txFirst[0]->GetHash();
  217. tx.vin[0].scriptSig = CScript() << OP_1;
  218. tx.vout[0].nValue = 4900000000LL;
  219. tx.vout[0].scriptPubKey = CScript() << OP_1;
  220. hash = tx.GetHash();
  221. mempool.addUnchecked(hash, entry.Fee(100000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  222. tx.vout[0].scriptPubKey = CScript() << OP_2;
  223. hash = tx.GetHash();
  224. mempool.addUnchecked(hash, entry.Fee(100000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  225. BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
  226. mempool.clear();
  227. // subsidy changing
  228. int nHeight = chainActive.Height();
  229. // Create an actual 209999-long block chain (without valid blocks).
  230. while (chainActive.Tip()->nHeight < 209999) {
  231. CBlockIndex* prev = chainActive.Tip();
  232. CBlockIndex* next = new CBlockIndex();
  233. next->phashBlock = new uint256(GetRandHash());
  234. pcoinsTip->SetBestBlock(next->GetBlockHash());
  235. next->pprev = prev;
  236. next->nHeight = prev->nHeight + 1;
  237. next->BuildSkip();
  238. chainActive.SetTip(next);
  239. }
  240. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  241. delete pblocktemplate;
  242. // Extend to a 210000-long block chain.
  243. while (chainActive.Tip()->nHeight < 210000) {
  244. CBlockIndex* prev = chainActive.Tip();
  245. CBlockIndex* next = new CBlockIndex();
  246. next->phashBlock = new uint256(GetRandHash());
  247. pcoinsTip->SetBestBlock(next->GetBlockHash());
  248. next->pprev = prev;
  249. next->nHeight = prev->nHeight + 1;
  250. next->BuildSkip();
  251. chainActive.SetTip(next);
  252. }
  253. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  254. delete pblocktemplate;
  255. // Delete the dummy blocks again.
  256. while (chainActive.Tip()->nHeight > nHeight) {
  257. CBlockIndex* del = chainActive.Tip();
  258. chainActive.SetTip(del->pprev);
  259. pcoinsTip->SetBestBlock(del->pprev->GetBlockHash());
  260. delete del->phashBlock;
  261. delete del;
  262. }
  263. // non-final txs in mempool
  264. SetMockTime(chainActive.Tip()->GetMedianTimePast()+1);
  265. int flags = LOCKTIME_VERIFY_SEQUENCE|LOCKTIME_MEDIAN_TIME_PAST;
  266. // height map
  267. std::vector<int> prevheights;
  268. // relative height locked
  269. tx.nVersion = 2;
  270. tx.vin.resize(1);
  271. prevheights.resize(1);
  272. tx.vin[0].prevout.hash = txFirst[0]->GetHash(); // only 1 transaction
  273. tx.vin[0].prevout.n = 0;
  274. tx.vin[0].scriptSig = CScript() << OP_1;
  275. tx.vin[0].nSequence = chainActive.Tip()->nHeight + 1; // txFirst[0] is the 2nd block
  276. prevheights[0] = baseheight + 1;
  277. tx.vout.resize(1);
  278. tx.vout[0].nValue = 4900000000LL;
  279. tx.vout[0].scriptPubKey = CScript() << OP_1;
  280. tx.nLockTime = 0;
  281. hash = tx.GetHash();
  282. mempool.addUnchecked(hash, entry.Fee(100000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
  283. BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
  284. BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
  285. BOOST_CHECK(SequenceLocks(tx, flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 2))); // Sequence locks pass on 2nd block
  286. // relative time locked
  287. tx.vin[0].prevout.hash = txFirst[1]->GetHash();
  288. tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | (((chainActive.Tip()->GetMedianTimePast()+1-chainActive[1]->GetMedianTimePast()) >> CTxIn::SEQUENCE_LOCKTIME_GRANULARITY) + 1); // txFirst[1] is the 3rd block
  289. prevheights[0] = baseheight + 2;
  290. hash = tx.GetHash();
  291. mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
  292. BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
  293. BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
  294. for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
  295. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
  296. BOOST_CHECK(SequenceLocks(tx, flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 1))); // Sequence locks pass 512 seconds later
  297. for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
  298. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime -= 512; //undo tricked MTP
  299. // absolute height locked
  300. tx.vin[0].prevout.hash = txFirst[2]->GetHash();
  301. tx.vin[0].nSequence = CTxIn::SEQUENCE_FINAL - 1;
  302. prevheights[0] = baseheight + 3;
  303. tx.nLockTime = chainActive.Tip()->nHeight + 1;
  304. hash = tx.GetHash();
  305. mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
  306. BOOST_CHECK(!CheckFinalTx(tx, flags)); // Locktime fails
  307. BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
  308. BOOST_CHECK(IsFinalTx(tx, chainActive.Tip()->nHeight + 2, chainActive.Tip()->GetMedianTimePast())); // Locktime passes on 2nd block
  309. // absolute time locked
  310. tx.vin[0].prevout.hash = txFirst[3]->GetHash();
  311. tx.nLockTime = chainActive.Tip()->GetMedianTimePast();
  312. prevheights.resize(1);
  313. prevheights[0] = baseheight + 4;
  314. hash = tx.GetHash();
  315. mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
  316. BOOST_CHECK(!CheckFinalTx(tx, flags)); // Locktime fails
  317. BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
  318. BOOST_CHECK(IsFinalTx(tx, chainActive.Tip()->nHeight + 2, chainActive.Tip()->GetMedianTimePast() + 1)); // Locktime passes 1 second later
  319. // mempool-dependent transactions (not added)
  320. tx.vin[0].prevout.hash = hash;
  321. prevheights[0] = chainActive.Tip()->nHeight + 1;
  322. tx.nLockTime = 0;
  323. tx.vin[0].nSequence = 0;
  324. BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
  325. BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
  326. tx.vin[0].nSequence = 1;
  327. BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
  328. tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG;
  329. BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
  330. tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
  331. BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
  332. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  333. // None of the of the absolute height/time locked tx should have made
  334. // it into the template because we still check IsFinalTx in CreateNewBlock,
  335. // but relative locked txs will if inconsistently added to mempool.
  336. // For now these will still generate a valid template until BIP68 soft fork
  337. BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3);
  338. delete pblocktemplate;
  339. // However if we advance height by 1 and time by 512, all of them should be mined
  340. for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
  341. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
  342. chainActive.Tip()->nHeight++;
  343. SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);
  344. BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
  345. BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5);
  346. delete pblocktemplate;
  347. chainActive.Tip()->nHeight--;
  348. SetMockTime(0);
  349. mempool.clear();
  350. BOOST_FOREACH(CTransaction *tx, txFirst)
  351. delete tx;
  352. fCheckpointsEnabled = true;
  353. }
  354. BOOST_AUTO_TEST_SUITE_END()