Differential D3471 Diff 10326 src/test/miner_tests.cpp

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src/test/miner_tests.cpp

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#include <boost/test/unit_test.hpp>		#include <boost/test/unit_test.hpp>

#include <memory>		#include <memory>

BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)		BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)

static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE_PER_KB);		static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE_PER_KB);

		static BlockAssembler AssemblerForTest(const Config &config,
		const CTxMemPool &mempool) {
		BlockAssembler::Options options;

		options.nBlockMaxSize = DEFAULT_MAX_BLOCK_SIZE;
		options.blockMinFeeRate = blockMinFeeRate;
		return BlockAssembler(config, mempool, options);
		}

static struct {		static struct {
uint8_t extranonce;		uint8_t extranonce;
uint32_t nonce;		uint32_t nonce;
} blockinfo[] = {		} blockinfo[] = {
{4, 0xa4a3e223}, {2, 0x15c32f9e}, {1, 0x0375b547}, {1, 0x7004a8a5},		{4, 0xa4a3e223}, {2, 0x15c32f9e}, {1, 0x0375b547}, {1, 0x7004a8a5},
{2, 0xce440296}, {2, 0x52cfe198}, {1, 0x77a72cd0}, {2, 0xbb5d6f84},		{2, 0xce440296}, {2, 0x52cfe198}, {1, 0x77a72cd0}, {2, 0xbb5d6f84},
{2, 0x83f30c2c}, {1, 0x48a73d5b}, {1, 0xef7dcd01}, {2, 0x6809c6c4},		{2, 0x83f30c2c}, {1, 0x48a73d5b}, {1, 0xef7dcd01}, {2, 0x6809c6c4},
{2, 0x0883ab3c}, {1, 0x087bbbe2}, {2, 0x2104a814}, {2, 0xdffb6daa},		{2, 0x0883ab3c}, {1, 0x087bbbe2}, {2, 0x2104a814}, {2, 0xdffb6daa},
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Lines	static void TestPackageSelection(Config &config, CScript scriptPubKey,
tx.vout[0].nValue = int64_t(5000000000LL - 1000 - 50000) * SATOSHI;		tx.vout[0].nValue = int64_t(5000000000LL - 1000 - 50000) * SATOSHI;
TxId highFeeTxId = tx.GetId();		TxId highFeeTxId = tx.GetId();
g_mempool.addUnchecked(highFeeTxId, entry.Fee(50000 * SATOSHI)		g_mempool.addUnchecked(highFeeTxId, entry.Fee(50000 * SATOSHI)
.Time(GetTime())		.Time(GetTime())
.SpendsCoinbase(false)		.SpendsCoinbase(false)
.FromTx(tx));		.FromTx(tx));

std::unique_ptr<CBlockTemplate> pblocktemplate =		std::unique_ptr<CBlockTemplate> pblocktemplate =
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		AssemblerForTest(config, g_mempool)
		.CreateNewBlock(config, scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[1]->GetId() == parentTxId);		BOOST_CHECK(pblocktemplate->block.vtx[1]->GetId() == parentTxId);
BOOST_CHECK(pblocktemplate->block.vtx[2]->GetId() == highFeeTxId);		BOOST_CHECK(pblocktemplate->block.vtx[2]->GetId() == highFeeTxId);
BOOST_CHECK(pblocktemplate->block.vtx[3]->GetId() == mediumFeeTxId);		BOOST_CHECK(pblocktemplate->block.vtx[3]->GetId() == mediumFeeTxId);

// Test that a package below the block min tx fee doesn't get included		// Test that a package below the block min tx fee doesn't get included
tx.vin[0].prevout = COutPoint(highFeeTxId, 0);		tx.vin[0].prevout = COutPoint(highFeeTxId, 0);
// 0 fee.		// 0 fee.
tx.vout[0].nValue = int64_t(5000000000LL - 1000 - 50000) * SATOSHI;		tx.vout[0].nValue = int64_t(5000000000LL - 1000 - 50000) * SATOSHI;
TxId freeTxId = tx.GetId();		TxId freeTxId = tx.GetId();
g_mempool.addUnchecked(freeTxId, entry.Fee(Amount::zero()).FromTx(tx));		g_mempool.addUnchecked(freeTxId, entry.Fee(Amount::zero()).FromTx(tx));
size_t freeTxSize = GetVirtualTransactionSize(CTransaction(tx));		size_t freeTxSize = GetVirtualTransactionSize(CTransaction(tx));

// Calculate a fee on child transaction that will put the package just		// 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).		// below the block min tx fee (assuming 1 child tx of the same size).
Amount feeToUse = blockMinFeeRate.GetFee(2 * freeTxSize) - SATOSHI;		Amount feeToUse = blockMinFeeRate.GetFee(2 * freeTxSize) - SATOSHI;

tx.vin[0].prevout = COutPoint(freeTxId, 0);		tx.vin[0].prevout = COutPoint(freeTxId, 0);
tx.vout[0].nValue =		tx.vout[0].nValue =
int64_t(5000000000LL - 1000 - 50000) * SATOSHI - feeToUse;		int64_t(5000000000LL - 1000 - 50000) * SATOSHI - feeToUse;
TxId lowFeeTxId = tx.GetId();		TxId lowFeeTxId = tx.GetId();
g_mempool.addUnchecked(lowFeeTxId, entry.Fee(feeToUse).FromTx(tx));		g_mempool.addUnchecked(lowFeeTxId, entry.Fee(feeToUse).FromTx(tx));
pblocktemplate =		pblocktemplate = AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		.CreateNewBlock(config, scriptPubKey);
// Verify that the free tx and the low fee tx didn't get selected.		// Verify that the free tx and the low fee tx didn't get selected.
for (const auto &txn : pblocktemplate->block.vtx) {		for (const auto &txn : pblocktemplate->block.vtx) {
BOOST_CHECK(txn->GetId() != freeTxId);		BOOST_CHECK(txn->GetId() != freeTxId);
BOOST_CHECK(txn->GetId() != lowFeeTxId);		BOOST_CHECK(txn->GetId() != lowFeeTxId);
}		}

// Test that packages above the min relay fee do get included, even if one		// 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		// of the transactions is below the min relay fee. Remove the low fee
// transaction and replace with a higher fee transaction		// transaction and replace with a higher fee transaction
g_mempool.removeRecursive(CTransaction(tx));		g_mempool.removeRecursive(CTransaction(tx));
// Now we should be just over the min relay fee.		// Now we should be just over the min relay fee.
tx.vout[0].nValue -= 2 * SATOSHI;		tx.vout[0].nValue -= 2 * SATOSHI;
lowFeeTxId = tx.GetId();		lowFeeTxId = tx.GetId();
g_mempool.addUnchecked(lowFeeTxId,		g_mempool.addUnchecked(lowFeeTxId,
entry.Fee(feeToUse + 2 * SATOSHI).FromTx(tx));		entry.Fee(feeToUse + 2 * SATOSHI).FromTx(tx));
pblocktemplate =		pblocktemplate = AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		.CreateNewBlock(config, scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[4]->GetId() == freeTxId);		BOOST_CHECK(pblocktemplate->block.vtx[4]->GetId() == freeTxId);
BOOST_CHECK(pblocktemplate->block.vtx[5]->GetId() == lowFeeTxId);		BOOST_CHECK(pblocktemplate->block.vtx[5]->GetId() == lowFeeTxId);

// Test that transaction selection properly updates ancestor fee		// Test that transaction selection properly updates ancestor fee
// calculations as ancestor transactions get included in a block. Add a		// calculations as ancestor transactions get included in a block. Add a
// 0-fee transaction that has 2 outputs.		// 0-fee transaction that has 2 outputs.
tx.vin[0].prevout = COutPoint(txFirst[2]->GetId(), 0);		tx.vin[0].prevout = COutPoint(txFirst[2]->GetId(), 0);
tx.vout.resize(2);		tx.vout.resize(2);
tx.vout[0].nValue = int64_t(5000000000LL - 100000000) * SATOSHI;		tx.vout[0].nValue = int64_t(5000000000LL - 100000000) * SATOSHI;
// 1BCC output.		// 1BCC output.
tx.vout[1].nValue = 100000000 * SATOSHI;		tx.vout[1].nValue = 100000000 * SATOSHI;
TxId freeTxId2 = tx.GetId();		TxId freeTxId2 = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
freeTxId2, entry.Fee(Amount::zero()).SpendsCoinbase(true).FromTx(tx));		freeTxId2, entry.Fee(Amount::zero()).SpendsCoinbase(true).FromTx(tx));

// This tx can't be mined by itself.		// This tx can't be mined by itself.
tx.vin[0].prevout = COutPoint(freeTxId2, 0);		tx.vin[0].prevout = COutPoint(freeTxId2, 0);
tx.vout.resize(1);		tx.vout.resize(1);
feeToUse = blockMinFeeRate.GetFee(freeTxSize);		feeToUse = blockMinFeeRate.GetFee(freeTxSize);
tx.vout[0].nValue = int64_t(5000000000LL - 100000000) * SATOSHI - feeToUse;		tx.vout[0].nValue = int64_t(5000000000LL - 100000000) * SATOSHI - feeToUse;
TxId lowFeeTxId2 = tx.GetId();		TxId lowFeeTxId2 = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
lowFeeTxId2, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));		lowFeeTxId2, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));
pblocktemplate =		pblocktemplate = AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		.CreateNewBlock(config, scriptPubKey);

// Verify that this tx isn't selected.		// Verify that this tx isn't selected.
for (const auto &txn : pblocktemplate->block.vtx) {		for (const auto &txn : pblocktemplate->block.vtx) {
BOOST_CHECK(txn->GetId() != freeTxId2);		BOOST_CHECK(txn->GetId() != freeTxId2);
BOOST_CHECK(txn->GetId() != lowFeeTxId2);		BOOST_CHECK(txn->GetId() != lowFeeTxId2);
}		}

// This tx will be mineable, and should cause lowFeeTxId2 to be selected as		// This tx will be mineable, and should cause lowFeeTxId2 to be selected as
// well.		// well.
tx.vin[0].prevout = COutPoint(freeTxId2, 1);		tx.vin[0].prevout = COutPoint(freeTxId2, 1);
// 10k satoshi fee.		// 10k satoshi fee.
tx.vout[0].nValue = (100000000 - 10000) * SATOSHI;		tx.vout[0].nValue = (100000000 - 10000) * SATOSHI;
g_mempool.addUnchecked(tx.GetId(), entry.Fee(10000 * SATOSHI).FromTx(tx));		g_mempool.addUnchecked(tx.GetId(), entry.Fee(10000 * SATOSHI).FromTx(tx));
pblocktemplate =		pblocktemplate = AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		.CreateNewBlock(config, scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[8]->GetId() == lowFeeTxId2);		BOOST_CHECK(pblocktemplate->block.vtx[8]->GetId() == lowFeeTxId2);
}		}

void TestCoinbaseMessageEB(uint64_t eb, std::string cbmsg) {		void TestCoinbaseMessageEB(uint64_t eb, std::string cbmsg) {
GlobalConfig config;		GlobalConfig config;
config.SetMaxBlockSize(eb);		config.SetMaxBlockSize(eb);

CScript scriptPubKey =		CScript scriptPubKey =
CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909"		CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909"
"a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112"		"a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112"
"de5c384df7ba0b8d578a4c702b6bf11d5f")		"de5c384df7ba0b8d578a4c702b6bf11d5f")
<< OP_CHECKSIG;		<< OP_CHECKSIG;

std::unique_ptr<CBlockTemplate> pblocktemplate =		std::unique_ptr<CBlockTemplate> pblocktemplate =
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		AssemblerForTest(config, g_mempool)
		.CreateNewBlock(config, scriptPubKey);

CBlock *pblock = &pblocktemplate->block;		CBlock *pblock = &pblocktemplate->block;

// IncrementExtraNonce creates a valid coinbase and merkleRoot		// IncrementExtraNonce creates a valid coinbase and merkleRoot
unsigned int extraNonce = 0;		unsigned int extraNonce = 0;
IncrementExtraNonce(config, pblock, chainActive.Tip(), extraNonce);		IncrementExtraNonce(config, pblock, chainActive.Tip(), extraNonce);
unsigned int nHeight = chainActive.Tip()->nHeight + 1;		unsigned int nHeight = chainActive.Tip()->nHeight + 1;
std::vector<uint8_t> vec(cbmsg.begin(), cbmsg.end());		std::vector<uint8_t> vec(cbmsg.begin(), cbmsg.end());
Show All 27 Lines	BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) {
entry.dPriority = 111.0;		entry.dPriority = 111.0;
entry.nHeight = 11;		entry.nHeight = 11;

fCheckpointsEnabled = false;		fCheckpointsEnabled = false;

GlobalConfig config;		GlobalConfig config;

// Simple block creation, nothing special yet:		// Simple block creation, nothing special yet:
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));

// We can't make transactions until we have inputs. Therefore, load 100		// We can't make transactions until we have inputs. Therefore, load 100
// blocks :)		// blocks :)
int baseheight = 0;		int baseheight = 0;
std::vector<CTransactionRef> txFirst;		std::vector<CTransactionRef> txFirst;
for (size_t i = 0; i < sizeof(blockinfo) / sizeof(*blockinfo); ++i) {		for (size_t i = 0; i < sizeof(blockinfo) / sizeof(*blockinfo); ++i) {
// pointer for convenience.		// pointer for convenience.
Show All 23 Lines	for (size_t i = 0; i < sizeof(blockinfo) / sizeof(*blockinfo); ++i) {
std::make_shared<const CBlock>(*pblock);		std::make_shared<const CBlock>(*pblock);
BOOST_CHECK(ProcessNewBlock(config, shared_pblock, true, nullptr));		BOOST_CHECK(ProcessNewBlock(config, shared_pblock, true, nullptr));
pblock->hashPrevBlock = pblock->GetHash();		pblock->hashPrevBlock = pblock->GetHash();
}		}

LOCK(cs_main);		LOCK(cs_main);

// Just to make sure we can still make simple blocks.		// Just to make sure we can still make simple blocks.
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));

const Amount BLOCKSUBSIDY = 50 * COIN;		const Amount BLOCKSUBSIDY = 50 * COIN;
const Amount LOWFEE = CENT;		const Amount LOWFEE = CENT;
const Amount HIGHFEE = COIN;		const Amount HIGHFEE = COIN;
const Amount HIGHERFEE = 4 * COIN;		const Amount HIGHERFEE = 4 * COIN;

// block sigops > limit: 1000 CHECKMULTISIG + 1		// block sigops > limit: 1000 CHECKMULTISIG + 1
Show All 12 Lines	for (unsigned int i = 0; i < 1001; ++i) {
// If we don't set the # of sig ops in the CTxMemPoolEntry, template		// If we don't set the # of sig ops in the CTxMemPoolEntry, template
// creation fails.		// creation fails.
g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)		g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)
.Time(GetTime())		.Time(GetTime())
.SpendsCoinbase(spendsCoinbase)		.SpendsCoinbase(spendsCoinbase)
.FromTx(tx));		.FromTx(tx));
tx.vin[0].prevout = COutPoint(txid, 0);		tx.vin[0].prevout = COutPoint(txid, 0);
}		}
BOOST_CHECK_THROW(		BOOST_CHECK_THROW(AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey),		.CreateNewBlock(config, scriptPubKey),
std::runtime_error);		std::runtime_error);
g_mempool.clear();		g_mempool.clear();

tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);		tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);
tx.vout[0].nValue = BLOCKSUBSIDY;		tx.vout[0].nValue = BLOCKSUBSIDY;
for (unsigned int i = 0; i < 1001; ++i) {		for (unsigned int i = 0; i < 1001; ++i) {
tx.vout[0].nValue -= LOWFEE;		tx.vout[0].nValue -= LOWFEE;
const TxId txid = tx.GetId();		const TxId txid = tx.GetId();
// Only first tx spends coinbase.		// Only first tx spends coinbase.
bool spendsCoinbase = i == 0;		bool spendsCoinbase = i == 0;
// If we do set the # of sig ops in the CTxMemPoolEntry, template		// If we do set the # of sig ops in the CTxMemPoolEntry, template
// creation passes.		// creation passes.
g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)		g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)
.Time(GetTime())		.Time(GetTime())
.SpendsCoinbase(spendsCoinbase)		.SpendsCoinbase(spendsCoinbase)
.SigOpsCost(80)		.SigOpsCost(80)
.FromTx(tx));		.FromTx(tx));
tx.vin[0].prevout = COutPoint(txid, 0);		tx.vin[0].prevout = COutPoint(txid, 0);
}		}
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));
g_mempool.clear();		g_mempool.clear();

// block size > limit		// block size > limit
tx.vin[0].scriptSig = CScript();		tx.vin[0].scriptSig = CScript();
// 18 * (520char + DROP) + OP_1 = 9433 bytes		// 18 * (520char + DROP) + OP_1 = 9433 bytes
std::vector<uint8_t> vchData(520);		std::vector<uint8_t> vchData(520);
for (unsigned int i = 0; i < 18; ++i) {		for (unsigned int i = 0; i < 18; ++i) {
Show All 9 Lines	for (unsigned int i = 0; i < 128; ++i) {
// Only first tx spends coinbase.		// Only first tx spends coinbase.
bool spendsCoinbase = i == 0;		bool spendsCoinbase = i == 0;
g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)		g_mempool.addUnchecked(txid, entry.Fee(LOWFEE)
.Time(GetTime())		.Time(GetTime())
.SpendsCoinbase(spendsCoinbase)		.SpendsCoinbase(spendsCoinbase)
.FromTx(tx));		.FromTx(tx));
tx.vin[0].prevout = COutPoint(txid, 0);		tx.vin[0].prevout = COutPoint(txid, 0);
}		}
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));
g_mempool.clear();		g_mempool.clear();

// Orphan in mempool, template creation fails.		// Orphan in mempool, template creation fails.
TxId txid = tx.GetId();		TxId txid = tx.GetId();
g_mempool.addUnchecked(txid, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));		g_mempool.addUnchecked(txid, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));
BOOST_CHECK_THROW(		BOOST_CHECK_THROW(AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey),		.CreateNewBlock(config, scriptPubKey),
std::runtime_error);		std::runtime_error);
g_mempool.clear();		g_mempool.clear();

// Child with higher priority than parent.		// Child with higher priority than parent.
tx.vin[0].scriptSig = CScript() << OP_1;		tx.vin[0].scriptSig = CScript() << OP_1;
tx.vin[0].prevout = COutPoint(txFirst[1]->GetId(), 0);		tx.vin[0].prevout = COutPoint(txFirst[1]->GetId(), 0);
tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE;		tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE;
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));		entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vin[0].prevout = COutPoint(txid, 0);		tx.vin[0].prevout = COutPoint(txid, 0);
tx.vin.resize(2);		tx.vin.resize(2);
tx.vin[1].scriptSig = CScript() << OP_1;		tx.vin[1].scriptSig = CScript() << OP_1;
tx.vin[1].prevout = COutPoint(txFirst[0]->GetId(), 0);		tx.vin[1].prevout = COutPoint(txFirst[0]->GetId(), 0);
// First txn output + fresh coinbase - new txn fee.		// First txn output + fresh coinbase - new txn fee.
tx.vout[0].nValue = tx.vout[0].nValue + BLOCKSUBSIDY - HIGHERFEE;		tx.vout[0].nValue = tx.vout[0].nValue + BLOCKSUBSIDY - HIGHERFEE;
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));		entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));
g_mempool.clear();		g_mempool.clear();

// Coinbase in mempool, template creation fails.		// Coinbase in mempool, template creation fails.
tx.vin.resize(1);		tx.vin.resize(1);
tx.vin[0].prevout = COutPoint();		tx.vin[0].prevout = COutPoint();
tx.vin[0].scriptSig = CScript() << OP_0 << OP_1;		tx.vin[0].scriptSig = CScript() << OP_0 << OP_1;
tx.vout[0].nValue = Amount::zero();		tx.vout[0].nValue = Amount::zero();
txid = tx.GetId();		txid = tx.GetId();
// Give it a fee so it'll get mined.		// Give it a fee so it'll get mined.
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));		entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(		BOOST_CHECK_THROW(AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey),		.CreateNewBlock(config, scriptPubKey),
std::runtime_error);		std::runtime_error);
g_mempool.clear();		g_mempool.clear();

// Double spend txn pair in mempool, template creation fails.		// Double spend txn pair in mempool, template creation fails.
tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);		tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);
tx.vin[0].scriptSig = CScript() << OP_1;		tx.vin[0].scriptSig = CScript() << OP_1;
tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE;		tx.vout[0].nValue = BLOCKSUBSIDY - HIGHFEE;
tx.vout[0].scriptPubKey = CScript() << OP_1;		tx.vout[0].scriptPubKey = CScript() << OP_1;
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));		entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vout[0].scriptPubKey = CScript() << OP_2;		tx.vout[0].scriptPubKey = CScript() << OP_2;
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));		entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK_THROW(		BOOST_CHECK_THROW(AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey),		.CreateNewBlock(config, scriptPubKey),
std::runtime_error);		std::runtime_error);
g_mempool.clear();		g_mempool.clear();

// Subsidy changing.		// Subsidy changing.
int nHeight = chainActive.Height();		int nHeight = chainActive.Height();
// Create an actual 209999-long block chain (without valid blocks).		// Create an actual 209999-long block chain (without valid blocks).
while (chainActive.Tip()->nHeight < 209999) {		while (chainActive.Tip()->nHeight < 209999) {
CBlockIndex *prev = chainActive.Tip();		CBlockIndex *prev = chainActive.Tip();
CBlockIndex *next = new CBlockIndex();		CBlockIndex *next = new CBlockIndex();
next->phashBlock = new uint256(InsecureRand256());		next->phashBlock = new uint256(InsecureRand256());
pcoinsTip->SetBestBlock(next->GetBlockHash());		pcoinsTip->SetBestBlock(next->GetBlockHash());
next->pprev = prev;		next->pprev = prev;
next->nHeight = prev->nHeight + 1;		next->nHeight = prev->nHeight + 1;
next->BuildSkip();		next->BuildSkip();
chainActive.SetTip(next);		chainActive.SetTip(next);
}		}
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));
// Extend to a 210000-long block chain.		// Extend to a 210000-long block chain.
while (chainActive.Tip()->nHeight < 210000) {		while (chainActive.Tip()->nHeight < 210000) {
CBlockIndex *prev = chainActive.Tip();		CBlockIndex *prev = chainActive.Tip();
CBlockIndex *next = new CBlockIndex();		CBlockIndex *next = new CBlockIndex();
next->phashBlock = new uint256(InsecureRand256());		next->phashBlock = new uint256(InsecureRand256());
pcoinsTip->SetBestBlock(next->GetBlockHash());		pcoinsTip->SetBestBlock(next->GetBlockHash());
next->pprev = prev;		next->pprev = prev;
next->nHeight = prev->nHeight + 1;		next->nHeight = prev->nHeight + 1;
next->BuildSkip();		next->BuildSkip();
chainActive.SetTip(next);		chainActive.SetTip(next);
}		}
BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));

// Invalid p2sh txn in mempool, template creation fails		// Invalid p2sh txn in mempool, template creation fails
tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);		tx.vin[0].prevout = COutPoint(txFirst[0]->GetId(), 0);
tx.vin[0].scriptSig = CScript() << OP_1;		tx.vin[0].scriptSig = CScript() << OP_1;
tx.vout[0].nValue = BLOCKSUBSIDY - LOWFEE;		tx.vout[0].nValue = BLOCKSUBSIDY - LOWFEE;
script = CScript() << OP_0;		script = CScript() << OP_0;
tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script));		tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script));
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));		entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vin[0].prevout = COutPoint(txid, 0);		tx.vin[0].prevout = COutPoint(txid, 0);
tx.vin[0].scriptSig = CScript()		tx.vin[0].scriptSig = CScript()
<< std::vector<uint8_t>(script.begin(), script.end());		<< std::vector<uint8_t>(script.begin(), script.end());
tx.vout[0].nValue -= LOWFEE;		tx.vout[0].nValue -= LOWFEE;
txid = tx.GetId();		txid = tx.GetId();
g_mempool.addUnchecked(		g_mempool.addUnchecked(
txid,		txid,
entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));		entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(		BOOST_CHECK_THROW(AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey),		.CreateNewBlock(config, scriptPubKey),
std::runtime_error);		std::runtime_error);
g_mempool.clear();		g_mempool.clear();

// Delete the dummy blocks again.		// Delete the dummy blocks again.
while (chainActive.Tip()->nHeight > nHeight) {		while (chainActive.Tip()->nHeight > nHeight) {
CBlockIndex *del = chainActive.Tip();		CBlockIndex *del = chainActive.Tip();
chainActive.SetTip(del->pprev);		chainActive.SetTip(del->pprev);
pcoinsTip->SetBestBlock(del->pprev->GetBlockHash());		pcoinsTip->SetBestBlock(del->pprev->GetBlockHash());
delete del->phashBlock;		delete del->phashBlock;
▲ Show 20 Lines • Show All 152 Lines • ▼ Show 20 Lines	BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) {
BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags));		BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags));
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG;		tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG;
// Sequence locks pass.		// Sequence locks pass.
BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags));		BOOST_CHECK(TestSequenceLocks(CTransaction(tx), flags));
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG \| 1;		tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG \| 1;
// Sequence locks fail.		// Sequence locks fail.
BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags));		BOOST_CHECK(!TestSequenceLocks(CTransaction(tx), flags));

pblocktemplate =		pblocktemplate = AssemblerForTest(config, g_mempool)
BlockAssembler(config, g_mempool).CreateNewBlock(config, scriptPubKey);		.CreateNewBlock(config, scriptPubKey);
BOOST_CHECK(pblocktemplate);		BOOST_CHECK(pblocktemplate);

// None of the of the absolute height/time locked tx should have made it		// 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		// into the template because we still check IsFinalTx in CreateNewBlock, but
// relative locked txs will if inconsistently added to g_mempool. For now		// relative locked txs will if inconsistently added to g_mempool. For now
// these will still generate a valid template until BIP68 soft fork.		// these will still generate a valid template until BIP68 soft fork.
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3UL);		BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3UL);
// However if we advance height by 1 and time by 512, all of them should be		// However if we advance height by 1 and time by 512, all of them should be
// mined.		// mined.
for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) {		for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++) {
// Trick the MedianTimePast.		// Trick the MedianTimePast.
chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime +=		chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime +=
512;		512;
}		}
chainActive.Tip()->nHeight++;		chainActive.Tip()->nHeight++;
SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);		SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);

BOOST_CHECK(pblocktemplate = BlockAssembler(config, g_mempool)		BOOST_CHECK(pblocktemplate = AssemblerForTest(config, g_mempool)
.CreateNewBlock(config, scriptPubKey));		.CreateNewBlock(config, scriptPubKey));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5UL);		BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5UL);

chainActive.Tip()->nHeight--;		chainActive.Tip()->nHeight--;
SetMockTime(0);		SetMockTime(0);
g_mempool.clear();		g_mempool.clear();

TestPackageSelection(config, scriptPubKey, txFirst);		TestPackageSelection(config, scriptPubKey, txFirst);

fCheckpointsEnabled = true;		fCheckpointsEnabled = true;
}		}

void CheckBlockMaxSize(const Config &config, uint64_t size, uint64_t expected) {		void CheckBlockMaxSize(const Config &config, uint64_t size, uint64_t expected) {
gArgs.ForceSetArg("-blockmaxsize", std::to_string(size));		gArgs.ForceSetArg("-blockmaxsize", std::to_string(size));

BlockAssembler ba(config, g_mempool);		BlockAssembler ba(config, g_mempool);
BOOST_CHECK_EQUAL(ba.GetMaxGeneratedBlockSize(), expected);		BOOST_CHECK_EQUAL(ba.GetMaxGeneratedBlockSize(), expected);

		// BlockAssembler with options gives the same result
		BlockAssembler::Options options;
		options.nBlockMaxSize = size;
		options.blockMinFeeRate = blockMinFeeRate;
		BlockAssembler ba2(config, g_mempool, options);
		BOOST_CHECK_EQUAL(ba2.GetMaxGeneratedBlockSize(), expected);
}		}

BOOST_AUTO_TEST_CASE(BlockAssembler_construction) {		BOOST_AUTO_TEST_CASE(BlockAssembler_construction) {
GlobalConfig config;		GlobalConfig config;

// We are working on a fake chain and need to protect ourselves.		// We are working on a fake chain and need to protect ourselves.
LOCK(cs_main);		LOCK(cs_main);

▲ Show 20 Lines • Show All 46 Lines • Show Last 20 Lines