diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp index aa94ff2f0..a3e6eec2a 100644 --- a/src/test/miner_tests.cpp +++ b/src/test/miner_tests.cpp @@ -1,793 +1,793 @@ // Copyright (c) 2011-2016 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "miner.h" #include "chainparams.h" #include "coins.h" #include "config.h" #include "consensus/consensus.h" #include "consensus/merkle.h" #include "consensus/validation.h" #include "policy/policy.h" #include "pubkey.h" #include "script/standard.h" #include "txmempool.h" #include "uint256.h" #include "util.h" #include "utilstrencodings.h" #include "validation.h" #include "test/test_bitcoin.h" #include #include BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup) static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE); static struct { uint8_t extranonce; uint32_t nonce; } blockinfo[] = { {4, 0xa4a3e223}, {2, 0x15c32f9e}, {1, 0x0375b547}, {1, 0x7004a8a5}, {2, 0xce440296}, {2, 0x52cfe198}, {1, 0x77a72cd0}, {2, 0xbb5d6f84}, {2, 0x83f30c2c}, {1, 0x48a73d5b}, {1, 0xef7dcd01}, {2, 0x6809c6c4}, {2, 0x0883ab3c}, {1, 0x087bbbe2}, {2, 0x2104a814}, {2, 0xdffb6daa}, {1, 0xee8a0a08}, {2, 0xba4237c1}, {1, 0xa70349dc}, {1, 0x344722bb}, {3, 0xd6294733}, {2, 0xec9f5c94}, {2, 0xca2fbc28}, {1, 0x6ba4f406}, {2, 0x015d4532}, {1, 0x6e119b7c}, {2, 0x43e8f314}, {2, 0x27962f38}, {2, 0xb571b51b}, {2, 0xb36bee23}, {2, 0xd17924a8}, {2, 0x6bc212d9}, {1, 0x630d4948}, {2, 0x9a4c4ebb}, {2, 0x554be537}, {1, 0xd63ddfc7}, {2, 0xa10acc11}, {1, 0x759a8363}, {2, 0xfb73090d}, {1, 0xe82c6a34}, {1, 0xe33e92d7}, {3, 0x658ef5cb}, {2, 0xba32ff22}, {5, 0x0227a10c}, {1, 0xa9a70155}, {5, 0xd096d809}, {1, 0x37176174}, {1, 0x830b8d0f}, {1, 0xc6e3910e}, {2, 0x823f3ca8}, {1, 0x99850849}, {1, 0x7521fb81}, {1, 0xaacaabab}, {1, 0xd645a2eb}, {5, 0x7aea1781}, {5, 0x9d6e4b78}, {1, 0x4ce90fd8}, {1, 0xabdc832d}, {6, 0x4a34f32a}, {2, 0xf2524c1c}, {2, 0x1bbeb08a}, {1, 0xad47f480}, {1, 0x9f026aeb}, {1, 0x15a95049}, {2, 0xd1cb95b2}, {2, 0xf84bbda5}, {1, 0x0fa62cd1}, {1, 0xe05f9169}, {1, 0x78d194a9}, {5, 0x3e38147b}, {5, 0x737ba0d4}, {1, 0x63378e10}, {1, 0x6d5f91cf}, {2, 0x88612eb8}, {2, 0xe9639484}, {1, 0xb7fabc9d}, {2, 0x19b01592}, {1, 0x5a90dd31}, {2, 0x5bd7e028}, {2, 0x94d00323}, {1, 0xa9b9c01a}, {1, 0x3a40de61}, {1, 0x56e7eec7}, {5, 0x859f7ef6}, {1, 0xfd8e5630}, {1, 0x2b0c9f7f}, {1, 0xba700e26}, {1, 0x7170a408}, {1, 0x70de86a8}, {1, 0x74d64cd5}, {1, 0x49e738a1}, {2, 0x6910b602}, {0, 0x643c565f}, {1, 0x54264b3f}, {2, 0x97ea6396}, {2, 0x55174459}, {2, 0x03e8779a}, {1, 0x98f34d8f}, {1, 0xc07b2b07}, {1, 0xdfe29668}, {1, 0x3141c7c1}, {1, 0xb3b595f4}, {1, 0x735abf08}, {5, 0x623bfbce}, {2, 0xd351e722}, {1, 0xf4ca48c9}, {1, 0x5b19c670}, {1, 0xa164bf0e}, {2, 0xbbbeb305}, {2, 0xfe1c810a}, }; CBlockIndex CreateBlockIndex(int nHeight) { CBlockIndex index; index.nHeight = nHeight; index.pprev = chainActive.Tip(); return index; } bool TestSequenceLocks(const CTransaction &tx, int flags) { LOCK(mempool.cs); return CheckSequenceLocks(tx, flags); } // Test suite for ancestor feerate transaction selection. // Implemented as an additional function, rather than a separate test case, to // allow reusing the blockchain created in CreateNewBlock_validity. // Note that this test assumes blockprioritypercentage is 0. void TestPackageSelection(Config &config, CScript scriptPubKey, std::vector &txFirst) { // Test the ancestor feerate transaction selection. TestMemPoolEntryHelper entry; // these 3 tests assume blockprioritypercentage is 0. config.SetBlockPriorityPercentage(0); // Test that a medium fee transaction will be selected after a higher fee // rate package with a low fee rate parent. CMutableTransaction tx; tx.vin.resize(1); tx.vin[0].scriptSig = CScript() << OP_1; tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vin[0].prevout.n = 0; tx.vout.resize(1); tx.vout[0].nValue = Amount(5000000000LL - 1000); // This tx has a low fee: 1000 satoshis. // Save this txid for later use. - uint256 hashParentTx = tx.GetId(); - mempool.addUnchecked(hashParentTx, + TxId parentTxId = tx.GetId(); + mempool.addUnchecked(parentTxId, entry.Fee(Amount(1000)) .Time(GetTime()) .SpendsCoinbase(true) .FromTx(tx)); // This tx has a medium fee: 10000 satoshis. tx.vin[0].prevout.hash = txFirst[1]->GetId(); tx.vout[0].nValue = Amount(5000000000LL - 10000); - uint256 hashMediumFeeTx = tx.GetId(); - mempool.addUnchecked(hashMediumFeeTx, + TxId mediumFeeTxId = tx.GetId(); + mempool.addUnchecked(mediumFeeTxId, entry.Fee(Amount(10000)) .Time(GetTime()) .SpendsCoinbase(true) .FromTx(tx)); // This tx has a high fee, but depends on the first transaction. - tx.vin[0].prevout.hash = hashParentTx; + tx.vin[0].prevout.hash = parentTxId; // 50k satoshi fee. tx.vout[0].nValue = Amount(5000000000LL - 1000 - 50000); - uint256 hashHighFeeTx = tx.GetId(); - mempool.addUnchecked(hashHighFeeTx, + TxId highFeeTxId = tx.GetId(); + mempool.addUnchecked(highFeeTxId, entry.Fee(Amount(50000)) .Time(GetTime()) .SpendsCoinbase(false) .FromTx(tx)); std::unique_ptr pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); - BOOST_CHECK(pblocktemplate->block.vtx[1]->GetId() == hashParentTx); - BOOST_CHECK(pblocktemplate->block.vtx[2]->GetId() == hashHighFeeTx); - BOOST_CHECK(pblocktemplate->block.vtx[3]->GetId() == hashMediumFeeTx); + BOOST_CHECK(pblocktemplate->block.vtx[1]->GetId() == parentTxId); + BOOST_CHECK(pblocktemplate->block.vtx[2]->GetId() == highFeeTxId); + BOOST_CHECK(pblocktemplate->block.vtx[3]->GetId() == mediumFeeTxId); // Test that a package below the block min tx fee doesn't get included - tx.vin[0].prevout.hash = hashHighFeeTx; + tx.vin[0].prevout.hash = highFeeTxId; // 0 fee. tx.vout[0].nValue = Amount(5000000000LL - 1000 - 50000); - uint256 hashFreeTx = tx.GetId(); - mempool.addUnchecked(hashFreeTx, entry.Fee(Amount(0)).FromTx(tx)); + TxId freeTxId = tx.GetId(); + mempool.addUnchecked(freeTxId, entry.Fee(Amount(0)).FromTx(tx)); size_t freeTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION); // Calculate a fee on child transaction that will put the package just // below the block min tx fee (assuming 1 child tx of the same size). Amount feeToUse = blockMinFeeRate.GetFee(2 * freeTxSize) - Amount(1); - tx.vin[0].prevout.hash = hashFreeTx; + tx.vin[0].prevout.hash = freeTxId; tx.vout[0].nValue = Amount(5000000000LL - 1000 - 50000) - feeToUse; - uint256 hashLowFeeTx = tx.GetId(); - mempool.addUnchecked(hashLowFeeTx, entry.Fee(feeToUse).FromTx(tx)); + TxId lowFeeTxId = tx.GetId(); + mempool.addUnchecked(lowFeeTxId, entry.Fee(feeToUse).FromTx(tx)); pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); // Verify that the free tx and the low fee tx didn't get selected. - for (size_t i = 0; i < pblocktemplate->block.vtx.size(); ++i) { - BOOST_CHECK(pblocktemplate->block.vtx[i]->GetId() != hashFreeTx); - BOOST_CHECK(pblocktemplate->block.vtx[i]->GetId() != hashLowFeeTx); + for (const auto &txn : pblocktemplate->block.vtx) { + BOOST_CHECK(txn->GetId() != freeTxId); + BOOST_CHECK(txn->GetId() != lowFeeTxId); } // Test that packages above the min relay fee do get included, even if one // of the transactions is below the min relay fee. Remove the low fee // transaction and replace with a higher fee transaction mempool.removeRecursive(CTransaction(tx)); // Now we should be just over the min relay fee. tx.vout[0].nValue -= Amount(2); - hashLowFeeTx = tx.GetId(); - mempool.addUnchecked(hashLowFeeTx, + lowFeeTxId = tx.GetId(); + mempool.addUnchecked(lowFeeTxId, entry.Fee(feeToUse + Amount(2)).FromTx(tx)); pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); - BOOST_CHECK(pblocktemplate->block.vtx[4]->GetId() == hashFreeTx); - BOOST_CHECK(pblocktemplate->block.vtx[5]->GetId() == hashLowFeeTx); + BOOST_CHECK(pblocktemplate->block.vtx[4]->GetId() == freeTxId); + BOOST_CHECK(pblocktemplate->block.vtx[5]->GetId() == lowFeeTxId); // Test that transaction selection properly updates ancestor fee // calculations as ancestor transactions get included in a block. Add a // 0-fee transaction that has 2 outputs. tx.vin[0].prevout.hash = txFirst[2]->GetId(); tx.vout.resize(2); tx.vout[0].nValue = Amount(5000000000LL - 100000000); // 1BCC output. tx.vout[1].nValue = Amount(100000000); - uint256 hashFreeTx2 = tx.GetId(); - mempool.addUnchecked(hashFreeTx2, + TxId freeTxId2 = tx.GetId(); + mempool.addUnchecked(freeTxId2, entry.Fee(Amount(0)).SpendsCoinbase(true).FromTx(tx)); // This tx can't be mined by itself. - tx.vin[0].prevout.hash = hashFreeTx2; + tx.vin[0].prevout.hash = freeTxId2; tx.vout.resize(1); feeToUse = blockMinFeeRate.GetFee(freeTxSize); tx.vout[0].nValue = Amount(5000000000LL) - Amount(100000000) - feeToUse; - uint256 hashLowFeeTx2 = tx.GetId(); - mempool.addUnchecked(hashLowFeeTx2, + TxId lowFeeTxId2 = tx.GetId(); + mempool.addUnchecked(lowFeeTxId2, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx)); pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); // Verify that this tx isn't selected. - for (size_t i = 0; i < pblocktemplate->block.vtx.size(); ++i) { - BOOST_CHECK(pblocktemplate->block.vtx[i]->GetId() != hashFreeTx2); - BOOST_CHECK(pblocktemplate->block.vtx[i]->GetId() != hashLowFeeTx2); + for (const auto &txn : pblocktemplate->block.vtx) { + BOOST_CHECK(txn->GetId() != freeTxId2); + BOOST_CHECK(txn->GetId() != lowFeeTxId2); } - // This tx will be mineable, and should cause hashLowFeeTx2 to be selected + // This tx will be mineable, and should cause lowFeeTxId2 to be selected // as well. tx.vin[0].prevout.n = 1; // 10k satoshi fee. tx.vout[0].nValue = Amount(100000000 - 10000); mempool.addUnchecked(tx.GetId(), entry.Fee(Amount(10000)).FromTx(tx)); pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); - BOOST_CHECK(pblocktemplate->block.vtx[8]->GetId() == hashLowFeeTx2); + BOOST_CHECK(pblocktemplate->block.vtx[8]->GetId() == lowFeeTxId2); } void TestCoinbaseMessageEB(uint64_t eb, std::string cbmsg) { GlobalConfig config; config.SetMaxBlockSize(eb); CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909" "a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112" "de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG; std::unique_ptr pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey); CBlock *pblock = &pblocktemplate->block; // IncrementExtraNonce creates a valid coinbase and merkleRoot unsigned int extraNonce = 0; IncrementExtraNonce(config, pblock, chainActive.Tip(), extraNonce); unsigned int nHeight = chainActive.Tip()->nHeight + 1; std::vector vec(cbmsg.begin(), cbmsg.end()); BOOST_CHECK(pblock->vtx[0]->vin[0].scriptSig == ((CScript() << nHeight << CScriptNum(extraNonce) << vec) + COINBASE_FLAGS)); } // Coinbase scriptSig has to contains the correct EB value // converted to MB, rounded down to the first decimal BOOST_AUTO_TEST_CASE(CheckCoinbase_EB) { TestCoinbaseMessageEB(1000001, "/EB1.0/"); TestCoinbaseMessageEB(2000000, "/EB2.0/"); TestCoinbaseMessageEB(8000000, "/EB8.0/"); TestCoinbaseMessageEB(8320000, "/EB8.3/"); } // NOTE: These tests rely on CreateNewBlock doing its own self-validation! BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) { // Note that by default, these tests run with size accounting enabled. CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909" "a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112" "de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG; std::unique_ptr pblocktemplate; CMutableTransaction tx, tx2; CScript script; uint256 hash; TestMemPoolEntryHelper entry; entry.nFee = Amount(11); entry.dPriority = 111.0; entry.nHeight = 11; GlobalConfig config; LOCK(cs_main); fCheckpointsEnabled = false; // Simple block creation, nothing special yet: BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); // We can't make transactions until we have inputs. Therefore, load 100 // blocks :) int baseheight = 0; std::vector txFirst; for (size_t i = 0; i < sizeof(blockinfo) / sizeof(*blockinfo); ++i) { // pointer for convenience. CBlock *pblock = &pblocktemplate->block; pblock->nVersion = 1; pblock->nTime = chainActive.Tip()->GetMedianTimePast() + 1; CMutableTransaction txCoinbase(*pblock->vtx[0]); txCoinbase.nVersion = 1; txCoinbase.vin[0].scriptSig = CScript(); txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce); txCoinbase.vin[0].scriptSig.push_back(chainActive.Height()); // Ignore the (optional) segwit commitment added by CreateNewBlock (as // the hardcoded nonces don't account for this) txCoinbase.vout.resize(1); txCoinbase.vout[0].scriptPubKey = CScript(); pblock->vtx[0] = MakeTransactionRef(std::move(txCoinbase)); if (txFirst.size() == 0) baseheight = chainActive.Height(); if (txFirst.size() < 4) txFirst.push_back(pblock->vtx[0]); pblock->hashMerkleRoot = BlockMerkleRoot(*pblock); pblock->nNonce = blockinfo[i].nonce; std::shared_ptr shared_pblock = std::make_shared(*pblock); BOOST_CHECK(ProcessNewBlock(config, shared_pblock, true, nullptr)); pblock->hashPrevBlock = pblock->GetHash(); } // Just to make sure we can still make simple blocks. BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); const Amount BLOCKSUBSIDY = 50 * COIN; const Amount LOWFEE = CENT; const Amount HIGHFEE = COIN; const Amount HIGHERFEE = 4 * COIN; // block sigops > limit: 1000 CHECKMULTISIG + 1 tx.vin.resize(1); // NOTE: OP_NOP is used to force 20 SigOps for the CHECKMULTISIG tx.vin[0].scriptSig = CScript() << OP_0 << OP_0 << OP_0 << OP_NOP << OP_CHECKMULTISIG << OP_1; tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vin[0].prevout.n = 0; tx.vout.resize(1); tx.vout[0].nValue = BLOCKSUBSIDY; for (unsigned int i = 0; i < 1001; ++i) { tx.vout[0].nValue -= LOWFEE; hash = tx.GetId(); // Only first tx spends coinbase. bool spendsCoinbase = (i == 0) ? true : false; // If we don't set the # of sig ops in the CTxMemPoolEntry, template // creation fails. mempool.addUnchecked(hash, entry.Fee(LOWFEE) .Time(GetTime()) .SpendsCoinbase(spendsCoinbase) .FromTx(tx)); tx.vin[0].prevout.hash = hash; } BOOST_CHECK_THROW(BlockAssembler(config).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vout[0].nValue = BLOCKSUBSIDY; for (unsigned int i = 0; i < 1001; ++i) { tx.vout[0].nValue -= LOWFEE; hash = tx.GetId(); // Only first tx spends coinbase. bool spendsCoinbase = (i == 0) ? true : false; // If we do set the # of sig ops in the CTxMemPoolEntry, template // creation passes. mempool.addUnchecked(hash, entry.Fee(LOWFEE) .Time(GetTime()) .SpendsCoinbase(spendsCoinbase) .SigOpsCost(80) .FromTx(tx)); tx.vin[0].prevout.hash = hash; } BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); mempool.clear(); // block size > limit tx.vin[0].scriptSig = CScript(); // 18 * (520char + DROP) + OP_1 = 9433 bytes std::vector vchData(520); for (unsigned int i = 0; i < 18; ++i) { tx.vin[0].scriptSig << vchData << OP_DROP; } tx.vin[0].scriptSig << OP_1; tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vout[0].nValue = BLOCKSUBSIDY; for (unsigned int i = 0; i < 128; ++i) { tx.vout[0].nValue -= LOWFEE; hash = tx.GetId(); // Only first tx spends coinbase. bool spendsCoinbase = (i == 0) ? true : false; mempool.addUnchecked(hash, entry.Fee(LOWFEE) .Time(GetTime()) .SpendsCoinbase(spendsCoinbase) .FromTx(tx)); tx.vin[0].prevout.hash = hash; } BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); mempool.clear(); // Orphan in mempool, template creation fails. hash = tx.GetId(); mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx)); BOOST_CHECK_THROW(BlockAssembler(config).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // Child with higher priority than parent. tx.vin[0].scriptSig = CScript() << OP_1; tx.vin[0].prevout.hash = txFirst[1]->GetId(); tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); tx.vin[0].prevout.hash = hash; tx.vin.resize(2); tx.vin[1].scriptSig = CScript() << OP_1; tx.vin[1].prevout.hash = txFirst[0]->GetId(); tx.vin[1].prevout.n = 0; // First txn output + fresh coinbase - new txn fee. tx.vout[0].nValue = tx.vout[0].nValue + BLOCKSUBSIDY - HIGHERFEE; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); mempool.clear(); // Coinbase in mempool, template creation fails. tx.vin.resize(1); tx.vin[0].prevout.SetNull(); tx.vin[0].scriptSig = CScript() << OP_0 << OP_1; tx.vout[0].nValue = Amount(0); hash = tx.GetId(); // Give it a fee so it'll get mined. mempool.addUnchecked( hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); BOOST_CHECK_THROW(BlockAssembler(config).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // Invalid (pre-p2sh) txn in mempool, template creation fails. std::array times; for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) { // Trick the MedianTimePast. times[i] = chainActive.Tip() ->GetAncestor(chainActive.Tip()->nHeight - i) ->nTime; chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime = P2SH_ACTIVATION_TIME; } tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vin[0].prevout.n = 0; tx.vin[0].scriptSig = CScript() << OP_1; tx.vout[0].nValue = BLOCKSUBSIDY - LOWFEE; script = CScript() << OP_0; tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script)); hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); tx.vin[0].prevout.hash = hash; tx.vin[0].scriptSig = CScript() << std::vector(script.begin(), script.end()); tx.vout[0].nValue -= LOWFEE; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); BOOST_CHECK_THROW(BlockAssembler(config).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) { // Restore the MedianTimePast. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime = times[i]; } // Double spend txn pair in mempool, template creation fails. tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vin[0].scriptSig = CScript() << OP_1; tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE; tx.vout[0].scriptPubKey = CScript() << OP_1; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); tx.vout[0].scriptPubKey = CScript() << OP_2; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); BOOST_CHECK_THROW(BlockAssembler(config).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // Subsidy changing. int nHeight = chainActive.Height(); // Create an actual 209999-long block chain (without valid blocks). while (chainActive.Tip()->nHeight < 209999) { CBlockIndex *prev = chainActive.Tip(); CBlockIndex *next = new CBlockIndex(); next->phashBlock = new uint256(InsecureRand256()); pcoinsTip->SetBestBlock(next->GetBlockHash()); next->pprev = prev; next->nHeight = prev->nHeight + 1; next->BuildSkip(); chainActive.SetTip(next); } BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); // Extend to a 210000-long block chain. while (chainActive.Tip()->nHeight < 210000) { CBlockIndex *prev = chainActive.Tip(); CBlockIndex *next = new CBlockIndex(); next->phashBlock = new uint256(InsecureRand256()); pcoinsTip->SetBestBlock(next->GetBlockHash()); next->pprev = prev; next->nHeight = prev->nHeight + 1; next->BuildSkip(); chainActive.SetTip(next); } BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); // Delete the dummy blocks again. while (chainActive.Tip()->nHeight > nHeight) { CBlockIndex *del = chainActive.Tip(); chainActive.SetTip(del->pprev); pcoinsTip->SetBestBlock(del->pprev->GetBlockHash()); delete del->phashBlock; delete del; } // non-final txs in mempool SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1); int flags = LOCKTIME_VERIFY_SEQUENCE | LOCKTIME_MEDIAN_TIME_PAST; // height map std::vector prevheights; // Relative height locked. tx.nVersion = 2; tx.vin.resize(1); prevheights.resize(1); // Only 1 transaction. tx.vin[0].prevout.hash = txFirst[0]->GetId(); tx.vin[0].prevout.n = 0; tx.vin[0].scriptSig = CScript() << OP_1; // txFirst[0] is the 2nd block tx.vin[0].nSequence = chainActive.Tip()->nHeight + 1; prevheights[0] = baseheight + 1; tx.vout.resize(1); tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE; tx.vout[0].scriptPubKey = CScript() << OP_1; tx.nLockTime = 0; hash = tx.GetId(); mempool.addUnchecked( hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); { // Locktime passes. GlobalConfig config; CValidationState state; BOOST_CHECK(ContextualCheckTransactionForCurrentBlock( config, CTransaction(tx), state, flags)); } // Sequence locks fail. BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags)); // Sequence locks pass on 2nd block. BOOST_CHECK( SequenceLocks(CTransaction(tx), flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 2))); // Relative time locked. tx.vin[0].prevout.hash = txFirst[1]->GetId(); // txFirst[1] is the 3rd block. tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | (((chainActive.Tip()->GetMedianTimePast() + 1 - chainActive[1]->GetMedianTimePast()) >> CTxIn::SEQUENCE_LOCKTIME_GRANULARITY) + 1); prevheights[0] = baseheight + 2; hash = tx.GetId(); mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx)); { // Locktime passes. GlobalConfig config; CValidationState state; BOOST_CHECK(ContextualCheckTransactionForCurrentBlock( config, CTransaction(tx), state, flags)); } // Sequence locks fail. BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags)); for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) { // Trick the MedianTimePast. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; } // Sequence locks pass 512 seconds later. BOOST_CHECK( SequenceLocks(CTransaction(tx), flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 1))); for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) { // Undo tricked MTP. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime -= 512; } // Absolute height locked. tx.vin[0].prevout.hash = txFirst[2]->GetId(); tx.vin[0].nSequence = CTxIn::SEQUENCE_FINAL - 1; prevheights[0] = baseheight + 3; tx.nLockTime = chainActive.Tip()->nHeight + 1; hash = tx.GetId(); mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx)); { // Locktime fails. GlobalConfig config; CValidationState state; BOOST_CHECK(!ContextualCheckTransactionForCurrentBlock( config, CTransaction(tx), state, flags)); BOOST_CHECK_EQUAL(state.GetRejectReason(), "bad-txns-nonfinal"); } // Sequence locks pass. BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags)); { // Locktime passes on 2nd block. GlobalConfig config; CValidationState state; BOOST_CHECK(ContextualCheckTransaction( config, CTransaction(tx), state, chainActive.Tip()->nHeight + 2, chainActive.Tip()->GetMedianTimePast())); } // Absolute time locked. tx.vin[0].prevout.hash = txFirst[3]->GetId(); tx.nLockTime = chainActive.Tip()->GetMedianTimePast(); prevheights.resize(1); prevheights[0] = baseheight + 4; hash = tx.GetId(); mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx)); { // Locktime fails. GlobalConfig config; CValidationState state; BOOST_CHECK(!ContextualCheckTransactionForCurrentBlock( config, CTransaction(tx), state, flags)); BOOST_CHECK_EQUAL(state.GetRejectReason(), "bad-txns-nonfinal"); } // Sequence locks pass. BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags)); { // Locktime passes 1 second later. GlobalConfig config; CValidationState state; BOOST_CHECK(ContextualCheckTransaction( config, CTransaction(tx), state, chainActive.Tip()->nHeight + 1, chainActive.Tip()->GetMedianTimePast() + 1)); } // mempool-dependent transactions (not added) tx.vin[0].prevout.hash = hash; prevheights[0] = chainActive.Tip()->nHeight + 1; tx.nLockTime = 0; tx.vin[0].nSequence = 0; { // Locktime passes. GlobalConfig config; CValidationState state; BOOST_CHECK(ContextualCheckTransactionForCurrentBlock( config, CTransaction(tx), state, flags)); } // Sequence locks pass. BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags)); tx.vin[0].nSequence = 1; // Sequence locks fail. BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags)); tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG; // Sequence locks pass. BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags)); tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1; // Sequence locks fail. BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags)); BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); // None of the of the absolute height/time locked tx should have made it // into the template because we still check IsFinalTx in CreateNewBlock, but // relative locked txs will if inconsistently added to mempool. For now // these will still generate a valid template until BIP68 soft fork. BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3UL); // However if we advance height by 1 and time by 512, all of them should be // mined. for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) { // Trick the MedianTimePast. chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; } chainActive.Tip()->nHeight++; SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1); BOOST_CHECK(pblocktemplate = BlockAssembler(config).CreateNewBlock(scriptPubKey)); BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5UL); chainActive.Tip()->nHeight--; SetMockTime(0); mempool.clear(); TestPackageSelection(config, scriptPubKey, txFirst); fCheckpointsEnabled = true; } void CheckBlockMaxSize(const CChainParams &chainparams, uint64_t size, uint64_t expected) { GlobalConfig config; gArgs.ForceSetArg("-blockmaxsize", std::to_string(size)); BlockAssembler ba(config); BOOST_CHECK_EQUAL(ba.GetMaxGeneratedBlockSize(), expected); } BOOST_AUTO_TEST_CASE(BlockAssembler_construction) { GlobalConfig config; const CChainParams &chainparams = Params(); // We are working on a fake chain and need to protect ourselves. LOCK(cs_main); // Test around historical 1MB (plus one byte because that's mandatory) config.SetMaxBlockSize(ONE_MEGABYTE + 1); CheckBlockMaxSize(chainparams, 0, 1000); CheckBlockMaxSize(chainparams, 1000, 1000); CheckBlockMaxSize(chainparams, 1001, 1001); CheckBlockMaxSize(chainparams, 12345, 12345); CheckBlockMaxSize(chainparams, ONE_MEGABYTE - 1001, ONE_MEGABYTE - 1001); CheckBlockMaxSize(chainparams, ONE_MEGABYTE - 1000, ONE_MEGABYTE - 1000); CheckBlockMaxSize(chainparams, ONE_MEGABYTE - 999, ONE_MEGABYTE - 999); CheckBlockMaxSize(chainparams, ONE_MEGABYTE, ONE_MEGABYTE - 999); // The maximum block size to be generated before the May 15, 2018 HF static const auto EIGHT_MEGABYTES = 8 * ONE_MEGABYTE; static const auto LEGACY_CAP = EIGHT_MEGABYTES - 1000; // Test around historical 8MB cap. config.SetMaxBlockSize(EIGHT_MEGABYTES + 1); CheckBlockMaxSize(chainparams, EIGHT_MEGABYTES - 1001, EIGHT_MEGABYTES - 1001); CheckBlockMaxSize(chainparams, EIGHT_MEGABYTES - 1000, LEGACY_CAP); CheckBlockMaxSize(chainparams, EIGHT_MEGABYTES - 999, LEGACY_CAP); CheckBlockMaxSize(chainparams, EIGHT_MEGABYTES, EIGHT_MEGABYTES - 1000); // Test around default cap config.SetMaxBlockSize(DEFAULT_MAX_BLOCK_SIZE); // We are stuck at the legacy cap before activation. CheckBlockMaxSize(chainparams, DEFAULT_MAX_BLOCK_SIZE, LEGACY_CAP); // Activate May 15, 2018 HF the dirty way const int64_t monolithTime = config.GetChainParams().GetConsensus().monolithActivationTime; auto pindex = chainActive.Tip(); for (size_t i = 0; pindex && i < 5; i++) { BOOST_CHECK(!IsMonolithEnabled(config, chainActive.Tip())); pindex->nTime = monolithTime; pindex = pindex->pprev; } BOOST_CHECK(IsMonolithEnabled(config, chainActive.Tip())); // Now we can use the default max block size. CheckBlockMaxSize(chainparams, DEFAULT_MAX_BLOCK_SIZE - 1001, DEFAULT_MAX_BLOCK_SIZE - 1001); CheckBlockMaxSize(chainparams, DEFAULT_MAX_BLOCK_SIZE - 1000, DEFAULT_MAX_BLOCK_SIZE - 1000); CheckBlockMaxSize(chainparams, DEFAULT_MAX_BLOCK_SIZE - 999, DEFAULT_MAX_BLOCK_SIZE - 1000); CheckBlockMaxSize(chainparams, DEFAULT_MAX_BLOCK_SIZE, DEFAULT_MAX_BLOCK_SIZE - 1000); // If the parameter is not specified, we use // DEFAULT_MAX_GENERATED_BLOCK_SIZE { gArgs.ClearArg("-blockmaxsize"); BlockAssembler ba(config); BOOST_CHECK_EQUAL(ba.GetMaxGeneratedBlockSize(), DEFAULT_MAX_GENERATED_BLOCK_SIZE); } } BOOST_AUTO_TEST_SUITE_END()