Branch data Line data Source code
# 1 : : // Copyright (c) 2011-2021 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 <chainparams.h>
# 6 : : #include <coins.h>
# 7 : : #include <consensus/consensus.h>
# 8 : : #include <consensus/merkle.h>
# 9 : : #include <consensus/tx_verify.h>
# 10 : : #include <node/miner.h>
# 11 : : #include <policy/policy.h>
# 12 : : #include <script/standard.h>
# 13 : : #include <txmempool.h>
# 14 : : #include <uint256.h>
# 15 : : #include <util/strencodings.h>
# 16 : : #include <util/system.h>
# 17 : : #include <util/time.h>
# 18 : : #include <validation.h>
# 19 : : #include <versionbits.h>
# 20 : :
# 21 : : #include <test/util/setup_common.h>
# 22 : :
# 23 : : #include <memory>
# 24 : :
# 25 : : #include <boost/test/unit_test.hpp>
# 26 : :
# 27 : : using node::BlockAssembler;
# 28 : : using node::CBlockTemplate;
# 29 : :
# 30 : : namespace miner_tests {
# 31 : : struct MinerTestingSetup : public TestingSetup {
# 32 : : void TestPackageSelection(const CChainParams& chainparams, const CScript& scriptPubKey, const std::vector<CTransactionRef>& txFirst) EXCLUSIVE_LOCKS_REQUIRED(::cs_main, m_node.mempool->cs);
# 33 : : bool TestSequenceLocks(const CTransaction& tx) EXCLUSIVE_LOCKS_REQUIRED(::cs_main, m_node.mempool->cs)
# 34 : 16 : {
# 35 : 16 : CCoinsViewMemPool view_mempool(&m_node.chainman->ActiveChainstate().CoinsTip(), *m_node.mempool);
# 36 : 16 : return CheckSequenceLocksAtTip(m_node.chainman->ActiveChain().Tip(), view_mempool, tx);
# 37 : 16 : }
# 38 : : BlockAssembler AssemblerForTest(const CChainParams& params);
# 39 : : };
# 40 : : } // namespace miner_tests
# 41 : :
# 42 : : BOOST_FIXTURE_TEST_SUITE(miner_tests, MinerTestingSetup)
# 43 : :
# 44 : : static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
# 45 : :
# 46 : : BlockAssembler MinerTestingSetup::AssemblerForTest(const CChainParams& params)
# 47 : 38 : {
# 48 : 38 : BlockAssembler::Options options;
# 49 : :
# 50 : 38 : options.nBlockMaxWeight = MAX_BLOCK_WEIGHT;
# 51 : 38 : options.blockMinFeeRate = blockMinFeeRate;
# 52 : 38 : return BlockAssembler(m_node.chainman->ActiveChainstate(), *m_node.mempool, params, options);
# 53 : 38 : }
# 54 : :
# 55 : : constexpr static struct {
# 56 : : unsigned char extranonce;
# 57 : : unsigned int nonce;
# 58 : : } BLOCKINFO[]{{8, 582909131}, {0, 971462344}, {2, 1169481553}, {6, 66147495}, {7, 427785981}, {8, 80538907},
# 59 : : {8, 207348013}, {2, 1951240923}, {4, 215054351}, {1, 491520534}, {8, 1282281282}, {4, 639565734},
# 60 : : {3, 248274685}, {8, 1160085976}, {6, 396349768}, {5, 393780549}, {5, 1096899528}, {4, 965381630},
# 61 : : {0, 728758712}, {5, 318638310}, {3, 164591898}, {2, 274234550}, {2, 254411237}, {7, 561761812},
# 62 : : {2, 268342573}, {0, 402816691}, {1, 221006382}, {6, 538872455}, {7, 393315655}, {4, 814555937},
# 63 : : {7, 504879194}, {6, 467769648}, {3, 925972193}, {2, 200581872}, {3, 168915404}, {8, 430446262},
# 64 : : {5, 773507406}, {3, 1195366164}, {0, 433361157}, {3, 297051771}, {0, 558856551}, {2, 501614039},
# 65 : : {3, 528488272}, {2, 473587734}, {8, 230125274}, {2, 494084400}, {4, 357314010}, {8, 60361686},
# 66 : : {7, 640624687}, {3, 480441695}, {8, 1424447925}, {4, 752745419}, {1, 288532283}, {6, 669170574},
# 67 : : {5, 1900907591}, {3, 555326037}, {3, 1121014051}, {0, 545835650}, {8, 189196651}, {5, 252371575},
# 68 : : {0, 199163095}, {6, 558895874}, {6, 1656839784}, {6, 815175452}, {6, 718677851}, {5, 544000334},
# 69 : : {0, 340113484}, {6, 850744437}, {4, 496721063}, {8, 524715182}, {6, 574361898}, {6, 1642305743},
# 70 : : {6, 355110149}, {5, 1647379658}, {8, 1103005356}, {7, 556460625}, {3, 1139533992}, {5, 304736030},
# 71 : : {2, 361539446}, {2, 143720360}, {6, 201939025}, {7, 423141476}, {4, 574633709}, {3, 1412254823},
# 72 : : {4, 873254135}, {0, 341817335}, {6, 53501687}, {3, 179755410}, {5, 172209688}, {8, 516810279},
# 73 : : {4, 1228391489}, {8, 325372589}, {6, 550367589}, {0, 876291812}, {7, 412454120}, {7, 717202854},
# 74 : : {2, 222677843}, {6, 251778867}, {7, 842004420}, {7, 194762829}, {4, 96668841}, {1, 925485796},
# 75 : : {0, 792342903}, {6, 678455063}, {6, 773251385}, {5, 186617471}, {6, 883189502}, {7, 396077336},
# 76 : : {8, 254702874}, {0, 455592851}};
# 77 : :
# 78 : : static CBlockIndex CreateBlockIndex(int nHeight, CBlockIndex* active_chain_tip) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
# 79 : 4 : {
# 80 : 4 : CBlockIndex index;
# 81 : 4 : index.nHeight = nHeight;
# 82 : 4 : index.pprev = active_chain_tip;
# 83 : 4 : return index;
# 84 : 4 : }
# 85 : :
# 86 : : // Test suite for ancestor feerate transaction selection.
# 87 : : // Implemented as an additional function, rather than a separate test case,
# 88 : : // to allow reusing the blockchain created in CreateNewBlock_validity.
# 89 : : void MinerTestingSetup::TestPackageSelection(const CChainParams& chainparams, const CScript& scriptPubKey, const std::vector<CTransactionRef>& txFirst)
# 90 : 2 : {
# 91 : : // Test the ancestor feerate transaction selection.
# 92 : 2 : TestMemPoolEntryHelper entry;
# 93 : :
# 94 : : // Test that a medium fee transaction will be selected after a higher fee
# 95 : : // rate package with a low fee rate parent.
# 96 : 2 : CMutableTransaction tx;
# 97 : 2 : tx.vin.resize(1);
# 98 : 2 : tx.vin[0].scriptSig = CScript() << OP_1;
# 99 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 100 : 2 : tx.vin[0].prevout.n = 0;
# 101 : 2 : tx.vout.resize(1);
# 102 : 2 : tx.vout[0].nValue = 5000000000LL - 1000;
# 103 : : // This tx has a low fee: 1000 satoshis
# 104 : 2 : uint256 hashParentTx = tx.GetHash(); // save this txid for later use
# 105 : 2 : m_node.mempool->addUnchecked(entry.Fee(1000).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 106 : :
# 107 : : // This tx has a medium fee: 10000 satoshis
# 108 : 2 : tx.vin[0].prevout.hash = txFirst[1]->GetHash();
# 109 : 2 : tx.vout[0].nValue = 5000000000LL - 10000;
# 110 : 2 : uint256 hashMediumFeeTx = tx.GetHash();
# 111 : 2 : m_node.mempool->addUnchecked(entry.Fee(10000).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 112 : :
# 113 : : // This tx has a high fee, but depends on the first transaction
# 114 : 2 : tx.vin[0].prevout.hash = hashParentTx;
# 115 : 2 : tx.vout[0].nValue = 5000000000LL - 1000 - 50000; // 50k satoshi fee
# 116 : 2 : uint256 hashHighFeeTx = tx.GetHash();
# 117 : 2 : m_node.mempool->addUnchecked(entry.Fee(50000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
# 118 : :
# 119 : 2 : std::unique_ptr<CBlockTemplate> pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
# 120 : 2 : BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 4U);
# 121 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[1]->GetHash() == hashParentTx);
# 122 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[2]->GetHash() == hashHighFeeTx);
# 123 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[3]->GetHash() == hashMediumFeeTx);
# 124 : :
# 125 : : // Test that a package below the block min tx fee doesn't get included
# 126 : 2 : tx.vin[0].prevout.hash = hashHighFeeTx;
# 127 : 2 : tx.vout[0].nValue = 5000000000LL - 1000 - 50000; // 0 fee
# 128 : 2 : uint256 hashFreeTx = tx.GetHash();
# 129 : 2 : m_node.mempool->addUnchecked(entry.Fee(0).FromTx(tx));
# 130 : 2 : size_t freeTxSize = ::GetSerializeSize(tx, PROTOCOL_VERSION);
# 131 : :
# 132 : : // Calculate a fee on child transaction that will put the package just
# 133 : : // below the block min tx fee (assuming 1 child tx of the same size).
# 134 : 2 : CAmount feeToUse = blockMinFeeRate.GetFee(2*freeTxSize) - 1;
# 135 : :
# 136 : 2 : tx.vin[0].prevout.hash = hashFreeTx;
# 137 : 2 : tx.vout[0].nValue = 5000000000LL - 1000 - 50000 - feeToUse;
# 138 : 2 : uint256 hashLowFeeTx = tx.GetHash();
# 139 : 2 : m_node.mempool->addUnchecked(entry.Fee(feeToUse).FromTx(tx));
# 140 : 2 : pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
# 141 : : // Verify that the free tx and the low fee tx didn't get selected
# 142 [ + + ]: 10 : for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
# 143 : 8 : BOOST_CHECK(pblocktemplate->block.vtx[i]->GetHash() != hashFreeTx);
# 144 : 8 : BOOST_CHECK(pblocktemplate->block.vtx[i]->GetHash() != hashLowFeeTx);
# 145 : 8 : }
# 146 : :
# 147 : : // Test that packages above the min relay fee do get included, even if one
# 148 : : // of the transactions is below the min relay fee
# 149 : : // Remove the low fee transaction and replace with a higher fee transaction
# 150 : 2 : m_node.mempool->removeRecursive(CTransaction(tx), MemPoolRemovalReason::REPLACED);
# 151 : 2 : tx.vout[0].nValue -= 2; // Now we should be just over the min relay fee
# 152 : 2 : hashLowFeeTx = tx.GetHash();
# 153 : 2 : m_node.mempool->addUnchecked(entry.Fee(feeToUse+2).FromTx(tx));
# 154 : 2 : pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
# 155 : 2 : BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 6U);
# 156 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[4]->GetHash() == hashFreeTx);
# 157 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[5]->GetHash() == hashLowFeeTx);
# 158 : :
# 159 : : // Test that transaction selection properly updates ancestor fee
# 160 : : // calculations as ancestor transactions get included in a block.
# 161 : : // Add a 0-fee transaction that has 2 outputs.
# 162 : 2 : tx.vin[0].prevout.hash = txFirst[2]->GetHash();
# 163 : 2 : tx.vout.resize(2);
# 164 : 2 : tx.vout[0].nValue = 5000000000LL - 100000000;
# 165 : 2 : tx.vout[1].nValue = 100000000; // 1BTC output
# 166 : 2 : uint256 hashFreeTx2 = tx.GetHash();
# 167 : 2 : m_node.mempool->addUnchecked(entry.Fee(0).SpendsCoinbase(true).FromTx(tx));
# 168 : :
# 169 : : // This tx can't be mined by itself
# 170 : 2 : tx.vin[0].prevout.hash = hashFreeTx2;
# 171 : 2 : tx.vout.resize(1);
# 172 : 2 : feeToUse = blockMinFeeRate.GetFee(freeTxSize);
# 173 : 2 : tx.vout[0].nValue = 5000000000LL - 100000000 - feeToUse;
# 174 : 2 : uint256 hashLowFeeTx2 = tx.GetHash();
# 175 : 2 : m_node.mempool->addUnchecked(entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));
# 176 : 2 : pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
# 177 : :
# 178 : : // Verify that this tx isn't selected.
# 179 [ + + ]: 14 : for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
# 180 : 12 : BOOST_CHECK(pblocktemplate->block.vtx[i]->GetHash() != hashFreeTx2);
# 181 : 12 : BOOST_CHECK(pblocktemplate->block.vtx[i]->GetHash() != hashLowFeeTx2);
# 182 : 12 : }
# 183 : :
# 184 : : // This tx will be mineable, and should cause hashLowFeeTx2 to be selected
# 185 : : // as well.
# 186 : 2 : tx.vin[0].prevout.n = 1;
# 187 : 2 : tx.vout[0].nValue = 100000000 - 10000; // 10k satoshi fee
# 188 : 2 : m_node.mempool->addUnchecked(entry.Fee(10000).FromTx(tx));
# 189 : 2 : pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
# 190 : 2 : BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 9U);
# 191 : 2 : BOOST_CHECK(pblocktemplate->block.vtx[8]->GetHash() == hashLowFeeTx2);
# 192 : 2 : }
# 193 : :
# 194 : : // NOTE: These tests rely on CreateNewBlock doing its own self-validation!
# 195 : : BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
# 196 : 2 : {
# 197 : : // Note that by default, these tests run with size accounting enabled.
# 198 : 2 : const auto chainParams = CreateChainParams(*m_node.args, CBaseChainParams::MAIN);
# 199 : 2 : const CChainParams& chainparams = *chainParams;
# 200 : 2 : CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
# 201 : 2 : std::unique_ptr<CBlockTemplate> pblocktemplate;
# 202 : 2 : CMutableTransaction tx;
# 203 : 2 : CScript script;
# 204 : 2 : uint256 hash;
# 205 : 2 : TestMemPoolEntryHelper entry;
# 206 : 2 : entry.nFee = 11;
# 207 : 2 : entry.nHeight = 11;
# 208 : :
# 209 : 2 : fCheckpointsEnabled = false;
# 210 : :
# 211 : : // Simple block creation, nothing special yet:
# 212 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 213 : :
# 214 : : // We can't make transactions until we have inputs
# 215 : : // Therefore, load 110 blocks :)
# 216 : 2 : static_assert(std::size(BLOCKINFO) == 110, "Should have 110 blocks to import");
# 217 : 2 : int baseheight = 0;
# 218 : 2 : std::vector<CTransactionRef> txFirst;
# 219 [ + + ]: 220 : for (const auto& bi : BLOCKINFO) {
# 220 : 220 : CBlock *pblock = &pblocktemplate->block; // pointer for convenience
# 221 : 220 : {
# 222 : 220 : LOCK(cs_main);
# 223 : 220 : pblock->nVersion = VERSIONBITS_TOP_BITS;
# 224 : 220 : pblock->nTime = m_node.chainman->ActiveChain().Tip()->GetMedianTimePast()+1;
# 225 : 220 : CMutableTransaction txCoinbase(*pblock->vtx[0]);
# 226 : 220 : txCoinbase.nVersion = 1;
# 227 : 220 : txCoinbase.vin[0].scriptSig = CScript{} << (m_node.chainman->ActiveChain().Height() + 1) << bi.extranonce;
# 228 : 220 : txCoinbase.vout.resize(1); // Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
# 229 : 220 : txCoinbase.vout[0].scriptPubKey = CScript();
# 230 : 220 : pblock->vtx[0] = MakeTransactionRef(std::move(txCoinbase));
# 231 [ + + ]: 220 : if (txFirst.size() == 0)
# 232 : 2 : baseheight = m_node.chainman->ActiveChain().Height();
# 233 [ + + ]: 220 : if (txFirst.size() < 4)
# 234 : 8 : txFirst.push_back(pblock->vtx[0]);
# 235 : 220 : pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
# 236 : 220 : pblock->nNonce = bi.nonce;
# 237 : 220 : }
# 238 : 220 : std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(*pblock);
# 239 : 220 : BOOST_CHECK(Assert(m_node.chainman)->ProcessNewBlock(chainparams, shared_pblock, true, nullptr));
# 240 : 220 : pblock->hashPrevBlock = pblock->GetHash();
# 241 : 220 : }
# 242 : :
# 243 : 2 : LOCK(cs_main);
# 244 : 2 : LOCK(m_node.mempool->cs);
# 245 : :
# 246 : : // Just to make sure we can still make simple blocks
# 247 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 248 : :
# 249 : 2 : const CAmount BLOCKSUBSIDY = 50*COIN;
# 250 : 2 : const CAmount LOWFEE = CENT;
# 251 : 2 : const CAmount HIGHFEE = COIN;
# 252 : 2 : const CAmount HIGHERFEE = 4*COIN;
# 253 : :
# 254 : : // block sigops > limit: 1000 CHECKMULTISIG + 1
# 255 : 2 : tx.vin.resize(1);
# 256 : : // NOTE: OP_NOP is used to force 20 SigOps for the CHECKMULTISIG
# 257 : 2 : tx.vin[0].scriptSig = CScript() << OP_0 << OP_0 << OP_0 << OP_NOP << OP_CHECKMULTISIG << OP_1;
# 258 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 259 : 2 : tx.vin[0].prevout.n = 0;
# 260 : 2 : tx.vout.resize(1);
# 261 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY;
# 262 [ + + ]: 2004 : for (unsigned int i = 0; i < 1001; ++i)
# 263 : 2002 : {
# 264 : 2002 : tx.vout[0].nValue -= LOWFEE;
# 265 : 2002 : hash = tx.GetHash();
# 266 : 2002 : bool spendsCoinbase = i == 0; // only first tx spends coinbase
# 267 : : // If we don't set the # of sig ops in the CTxMemPoolEntry, template creation fails
# 268 : 2002 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
# 269 : 2002 : tx.vin[0].prevout.hash = hash;
# 270 : 2002 : }
# 271 : :
# 272 : 2 : BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-blk-sigops"));
# 273 : 2 : m_node.mempool->clear();
# 274 : :
# 275 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 276 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY;
# 277 [ + + ]: 2004 : for (unsigned int i = 0; i < 1001; ++i)
# 278 : 2002 : {
# 279 : 2002 : tx.vout[0].nValue -= LOWFEE;
# 280 : 2002 : hash = tx.GetHash();
# 281 : 2002 : bool spendsCoinbase = i == 0; // only first tx spends coinbase
# 282 : : // If we do set the # of sig ops in the CTxMemPoolEntry, template creation passes
# 283 : 2002 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOpsCost(80).FromTx(tx));
# 284 : 2002 : tx.vin[0].prevout.hash = hash;
# 285 : 2002 : }
# 286 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 287 : 2 : m_node.mempool->clear();
# 288 : :
# 289 : : // block size > limit
# 290 : 2 : tx.vin[0].scriptSig = CScript();
# 291 : : // 18 * (520char + DROP) + OP_1 = 9433 bytes
# 292 : 2 : std::vector<unsigned char> vchData(520);
# 293 [ + + ]: 38 : for (unsigned int i = 0; i < 18; ++i)
# 294 : 36 : tx.vin[0].scriptSig << vchData << OP_DROP;
# 295 : 2 : tx.vin[0].scriptSig << OP_1;
# 296 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 297 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY;
# 298 [ + + ]: 258 : for (unsigned int i = 0; i < 128; ++i)
# 299 : 256 : {
# 300 : 256 : tx.vout[0].nValue -= LOWFEE;
# 301 : 256 : hash = tx.GetHash();
# 302 : 256 : bool spendsCoinbase = i == 0; // only first tx spends coinbase
# 303 : 256 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
# 304 : 256 : tx.vin[0].prevout.hash = hash;
# 305 : 256 : }
# 306 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 307 : 2 : m_node.mempool->clear();
# 308 : :
# 309 : : // orphan in *m_node.mempool, template creation fails
# 310 : 2 : hash = tx.GetHash();
# 311 : 2 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));
# 312 : 2 : BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
# 313 : 2 : m_node.mempool->clear();
# 314 : :
# 315 : : // child with higher feerate than parent
# 316 : 2 : tx.vin[0].scriptSig = CScript() << OP_1;
# 317 : 2 : tx.vin[0].prevout.hash = txFirst[1]->GetHash();
# 318 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY-HIGHFEE;
# 319 : 2 : hash = tx.GetHash();
# 320 : 2 : m_node.mempool->addUnchecked(entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 321 : 2 : tx.vin[0].prevout.hash = hash;
# 322 : 2 : tx.vin.resize(2);
# 323 : 2 : tx.vin[1].scriptSig = CScript() << OP_1;
# 324 : 2 : tx.vin[1].prevout.hash = txFirst[0]->GetHash();
# 325 : 2 : tx.vin[1].prevout.n = 0;
# 326 : 2 : tx.vout[0].nValue = tx.vout[0].nValue+BLOCKSUBSIDY-HIGHERFEE; //First txn output + fresh coinbase - new txn fee
# 327 : 2 : hash = tx.GetHash();
# 328 : 2 : m_node.mempool->addUnchecked(entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 329 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 330 : 2 : m_node.mempool->clear();
# 331 : :
# 332 : : // coinbase in *m_node.mempool, template creation fails
# 333 : 2 : tx.vin.resize(1);
# 334 : 2 : tx.vin[0].prevout.SetNull();
# 335 : 2 : tx.vin[0].scriptSig = CScript() << OP_0 << OP_1;
# 336 : 2 : tx.vout[0].nValue = 0;
# 337 : 2 : hash = tx.GetHash();
# 338 : : // give it a fee so it'll get mined
# 339 : 2 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
# 340 : : // Should throw bad-cb-multiple
# 341 : 2 : BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-cb-multiple"));
# 342 : 2 : m_node.mempool->clear();
# 343 : :
# 344 : : // double spend txn pair in *m_node.mempool, template creation fails
# 345 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 346 : 2 : tx.vin[0].scriptSig = CScript() << OP_1;
# 347 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY-HIGHFEE;
# 348 : 2 : tx.vout[0].scriptPubKey = CScript() << OP_1;
# 349 : 2 : hash = tx.GetHash();
# 350 : 2 : m_node.mempool->addUnchecked(entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 351 : 2 : tx.vout[0].scriptPubKey = CScript() << OP_2;
# 352 : 2 : hash = tx.GetHash();
# 353 : 2 : m_node.mempool->addUnchecked(entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 354 : 2 : BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("bad-txns-inputs-missingorspent"));
# 355 : 2 : m_node.mempool->clear();
# 356 : :
# 357 : : // subsidy changing
# 358 : 2 : int nHeight = m_node.chainman->ActiveChain().Height();
# 359 : : // Create an actual 209999-long block chain (without valid blocks).
# 360 [ + + ]: 419780 : while (m_node.chainman->ActiveChain().Tip()->nHeight < 209999) {
# 361 : 419778 : CBlockIndex* prev = m_node.chainman->ActiveChain().Tip();
# 362 : 419778 : CBlockIndex* next = new CBlockIndex();
# 363 : 419778 : next->phashBlock = new uint256(InsecureRand256());
# 364 : 419778 : m_node.chainman->ActiveChainstate().CoinsTip().SetBestBlock(next->GetBlockHash());
# 365 : 419778 : next->pprev = prev;
# 366 : 419778 : next->nHeight = prev->nHeight + 1;
# 367 : 419778 : next->BuildSkip();
# 368 : 419778 : m_node.chainman->ActiveChain().SetTip(next);
# 369 : 419778 : }
# 370 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 371 : : // Extend to a 210000-long block chain.
# 372 [ + + ]: 4 : while (m_node.chainman->ActiveChain().Tip()->nHeight < 210000) {
# 373 : 2 : CBlockIndex* prev = m_node.chainman->ActiveChain().Tip();
# 374 : 2 : CBlockIndex* next = new CBlockIndex();
# 375 : 2 : next->phashBlock = new uint256(InsecureRand256());
# 376 : 2 : m_node.chainman->ActiveChainstate().CoinsTip().SetBestBlock(next->GetBlockHash());
# 377 : 2 : next->pprev = prev;
# 378 : 2 : next->nHeight = prev->nHeight + 1;
# 379 : 2 : next->BuildSkip();
# 380 : 2 : m_node.chainman->ActiveChain().SetTip(next);
# 381 : 2 : }
# 382 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 383 : :
# 384 : : // invalid p2sh txn in *m_node.mempool, template creation fails
# 385 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash();
# 386 : 2 : tx.vin[0].prevout.n = 0;
# 387 : 2 : tx.vin[0].scriptSig = CScript() << OP_1;
# 388 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY-LOWFEE;
# 389 : 2 : script = CScript() << OP_0;
# 390 : 2 : tx.vout[0].scriptPubKey = GetScriptForDestination(ScriptHash(script));
# 391 : 2 : hash = tx.GetHash();
# 392 : 2 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 393 : 2 : tx.vin[0].prevout.hash = hash;
# 394 : 2 : tx.vin[0].scriptSig = CScript() << std::vector<unsigned char>(script.begin(), script.end());
# 395 : 2 : tx.vout[0].nValue -= LOWFEE;
# 396 : 2 : hash = tx.GetHash();
# 397 : 2 : m_node.mempool->addUnchecked(entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
# 398 : : // Should throw block-validation-failed
# 399 : 2 : BOOST_CHECK_EXCEPTION(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error, HasReason("block-validation-failed"));
# 400 : 2 : m_node.mempool->clear();
# 401 : :
# 402 : : // Delete the dummy blocks again.
# 403 [ + + ]: 419782 : while (m_node.chainman->ActiveChain().Tip()->nHeight > nHeight) {
# 404 : 419780 : CBlockIndex* del = m_node.chainman->ActiveChain().Tip();
# 405 : 419780 : m_node.chainman->ActiveChain().SetTip(del->pprev);
# 406 : 419780 : m_node.chainman->ActiveChainstate().CoinsTip().SetBestBlock(del->pprev->GetBlockHash());
# 407 : 419780 : delete del->phashBlock;
# 408 : 419780 : delete del;
# 409 : 419780 : }
# 410 : :
# 411 : : // non-final txs in mempool
# 412 : 2 : SetMockTime(m_node.chainman->ActiveChain().Tip()->GetMedianTimePast()+1);
# 413 : 2 : const int flags{LOCKTIME_VERIFY_SEQUENCE | LOCKTIME_MEDIAN_TIME_PAST};
# 414 : : // height map
# 415 : 2 : std::vector<int> prevheights;
# 416 : :
# 417 : : // relative height locked
# 418 : 2 : tx.nVersion = 2;
# 419 : 2 : tx.vin.resize(1);
# 420 : 2 : prevheights.resize(1);
# 421 : 2 : tx.vin[0].prevout.hash = txFirst[0]->GetHash(); // only 1 transaction
# 422 : 2 : tx.vin[0].prevout.n = 0;
# 423 : 2 : tx.vin[0].scriptSig = CScript() << OP_1;
# 424 : 2 : tx.vin[0].nSequence = m_node.chainman->ActiveChain().Tip()->nHeight + 1; // txFirst[0] is the 2nd block
# 425 : 2 : prevheights[0] = baseheight + 1;
# 426 : 2 : tx.vout.resize(1);
# 427 : 2 : tx.vout[0].nValue = BLOCKSUBSIDY-HIGHFEE;
# 428 : 2 : tx.vout[0].scriptPubKey = CScript() << OP_1;
# 429 : 2 : tx.nLockTime = 0;
# 430 : 2 : hash = tx.GetHash();
# 431 : 2 : m_node.mempool->addUnchecked(entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
# 432 : 2 : BOOST_CHECK(CheckFinalTxAtTip(m_node.chainman->ActiveChain().Tip(), CTransaction{tx})); // Locktime passes
# 433 : 2 : BOOST_CHECK(!TestSequenceLocks(CTransaction{tx})); // Sequence locks fail
# 434 : :
# 435 : 2 : {
# 436 : 2 : CBlockIndex* active_chain_tip = m_node.chainman->ActiveChain().Tip();
# 437 : 2 : BOOST_CHECK(SequenceLocks(CTransaction(tx), flags, prevheights, CreateBlockIndex(active_chain_tip->nHeight + 2, active_chain_tip))); // Sequence locks pass on 2nd block
# 438 : 2 : }
# 439 : :
# 440 : : // relative time locked
# 441 : 2 : tx.vin[0].prevout.hash = txFirst[1]->GetHash();
# 442 : 2 : tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | (((m_node.chainman->ActiveChain().Tip()->GetMedianTimePast()+1-m_node.chainman->ActiveChain()[1]->GetMedianTimePast()) >> CTxIn::SEQUENCE_LOCKTIME_GRANULARITY) + 1); // txFirst[1] is the 3rd block
# 443 : 2 : prevheights[0] = baseheight + 2;
# 444 : 2 : hash = tx.GetHash();
# 445 : 2 : m_node.mempool->addUnchecked(entry.Time(GetTime()).FromTx(tx));
# 446 : 2 : BOOST_CHECK(CheckFinalTxAtTip(m_node.chainman->ActiveChain().Tip(), CTransaction{tx})); // Locktime passes
# 447 : 2 : BOOST_CHECK(!TestSequenceLocks(CTransaction{tx})); // Sequence locks fail
# 448 : :
# 449 [ + + ]: 24 : for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
# 450 : 22 : m_node.chainman->ActiveChain().Tip()->GetAncestor(m_node.chainman->ActiveChain().Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
# 451 : :
# 452 : 2 : {
# 453 : 2 : CBlockIndex* active_chain_tip = m_node.chainman->ActiveChain().Tip();
# 454 : 2 : BOOST_CHECK(SequenceLocks(CTransaction(tx), flags, prevheights, CreateBlockIndex(active_chain_tip->nHeight + 1, active_chain_tip))); // Sequence locks pass 512 seconds later
# 455 : 2 : }
# 456 : :
# 457 [ + + ]: 24 : for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
# 458 : 22 : m_node.chainman->ActiveChain().Tip()->GetAncestor(m_node.chainman->ActiveChain().Tip()->nHeight - i)->nTime -= 512; //undo tricked MTP
# 459 : :
# 460 : : // absolute height locked
# 461 : 2 : tx.vin[0].prevout.hash = txFirst[2]->GetHash();
# 462 : 2 : tx.vin[0].nSequence = CTxIn::MAX_SEQUENCE_NONFINAL;
# 463 : 2 : prevheights[0] = baseheight + 3;
# 464 : 2 : tx.nLockTime = m_node.chainman->ActiveChain().Tip()->nHeight + 1;
# 465 : 2 : hash = tx.GetHash();
# 466 : 2 : m_node.mempool->addUnchecked(entry.Time(GetTime()).FromTx(tx));
# 467 : 2 : BOOST_CHECK(!CheckFinalTxAtTip(m_node.chainman->ActiveChain().Tip(), CTransaction{tx})); // Locktime fails
# 468 : 2 : BOOST_CHECK(TestSequenceLocks(CTransaction{tx})); // Sequence locks pass
# 469 : 2 : BOOST_CHECK(IsFinalTx(CTransaction(tx), m_node.chainman->ActiveChain().Tip()->nHeight + 2, m_node.chainman->ActiveChain().Tip()->GetMedianTimePast())); // Locktime passes on 2nd block
# 470 : :
# 471 : : // absolute time locked
# 472 : 2 : tx.vin[0].prevout.hash = txFirst[3]->GetHash();
# 473 : 2 : tx.nLockTime = m_node.chainman->ActiveChain().Tip()->GetMedianTimePast();
# 474 : 2 : prevheights.resize(1);
# 475 : 2 : prevheights[0] = baseheight + 4;
# 476 : 2 : hash = tx.GetHash();
# 477 : 2 : m_node.mempool->addUnchecked(entry.Time(GetTime()).FromTx(tx));
# 478 : 2 : BOOST_CHECK(!CheckFinalTxAtTip(m_node.chainman->ActiveChain().Tip(), CTransaction{tx})); // Locktime fails
# 479 : 2 : BOOST_CHECK(TestSequenceLocks(CTransaction{tx})); // Sequence locks pass
# 480 : 2 : BOOST_CHECK(IsFinalTx(CTransaction(tx), m_node.chainman->ActiveChain().Tip()->nHeight + 2, m_node.chainman->ActiveChain().Tip()->GetMedianTimePast() + 1)); // Locktime passes 1 second later
# 481 : :
# 482 : : // mempool-dependent transactions (not added)
# 483 : 2 : tx.vin[0].prevout.hash = hash;
# 484 : 2 : prevheights[0] = m_node.chainman->ActiveChain().Tip()->nHeight + 1;
# 485 : 2 : tx.nLockTime = 0;
# 486 : 2 : tx.vin[0].nSequence = 0;
# 487 : 2 : BOOST_CHECK(CheckFinalTxAtTip(m_node.chainman->ActiveChain().Tip(), CTransaction{tx})); // Locktime passes
# 488 : 2 : BOOST_CHECK(TestSequenceLocks(CTransaction{tx})); // Sequence locks pass
# 489 : 2 : tx.vin[0].nSequence = 1;
# 490 : 2 : BOOST_CHECK(!TestSequenceLocks(CTransaction{tx})); // Sequence locks fail
# 491 : 2 : tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG;
# 492 : 2 : BOOST_CHECK(TestSequenceLocks(CTransaction{tx})); // Sequence locks pass
# 493 : 2 : tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
# 494 : 2 : BOOST_CHECK(!TestSequenceLocks(CTransaction{tx})); // Sequence locks fail
# 495 : :
# 496 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 497 : :
# 498 : : // None of the of the absolute height/time locked tx should have made
# 499 : : // it into the template because we still check IsFinalTx in CreateNewBlock,
# 500 : : // but relative locked txs will if inconsistently added to mempool.
# 501 : : // For now these will still generate a valid template until BIP68 soft fork
# 502 : 2 : BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3U);
# 503 : : // However if we advance height by 1 and time by 512, all of them should be mined
# 504 [ + + ]: 24 : for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
# 505 : 22 : m_node.chainman->ActiveChain().Tip()->GetAncestor(m_node.chainman->ActiveChain().Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
# 506 : 2 : m_node.chainman->ActiveChain().Tip()->nHeight++;
# 507 : 2 : SetMockTime(m_node.chainman->ActiveChain().Tip()->GetMedianTimePast() + 1);
# 508 : :
# 509 : 2 : BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
# 510 : 2 : BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5U);
# 511 : :
# 512 : 2 : m_node.chainman->ActiveChain().Tip()->nHeight--;
# 513 : 2 : SetMockTime(0);
# 514 : 2 : m_node.mempool->clear();
# 515 : :
# 516 : 2 : TestPackageSelection(chainparams, scriptPubKey, txFirst);
# 517 : :
# 518 : 2 : fCheckpointsEnabled = true;
# 519 : 2 : }
# 520 : :
# 521 : : BOOST_AUTO_TEST_SUITE_END()
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