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Merge #9868: Abstract out the command line options for block assembly

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277b472 Run miner_tests with fixed options (Pieter Wuille)
48faf0b Abstract out BlockAssembler options (Pieter Wuille)

Tree-SHA512: 8e910904864c8653fb0358d820a4181d0496bdcbc3454c17a742af7505bfb59f7078c6d0faa9c753bdaf23b6d93d228a09913cc867fbddccd515483ebe7bfad0
This commit is contained in:
Wladimir J. van der Laan 2017-03-01 12:37:42 +01:00
commit cbdb4732f1
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GPG Key ID: 74810B012346C9A6
3 changed files with 68 additions and 37 deletions
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47
src/miner.cpp
View File

@ -72,43 +72,56 @@ int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParam
return nNewTime - nOldTime;
}
BlockAssembler::BlockAssembler(const CChainParams& _chainparams)
: chainparams(_chainparams)
BlockAssembler::Options::Options() {
blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
nBlockMaxWeight = DEFAULT_BLOCK_MAX_WEIGHT;
nBlockMaxSize = DEFAULT_BLOCK_MAX_SIZE;
}
BlockAssembler::BlockAssembler(const CChainParams& params, const Options& options) : chainparams(params)
{
blockMinFeeRate = options.blockMinFeeRate;
// Limit weight to between 4K and MAX_BLOCK_WEIGHT-4K for sanity:
nBlockMaxWeight = std::max<size_t>(4000, std::min<size_t>(MAX_BLOCK_WEIGHT - 4000, options.nBlockMaxWeight));
// Limit size to between 1K and MAX_BLOCK_SERIALIZED_SIZE-1K for sanity:
nBlockMaxSize = std::max<size_t>(1000, std::min<size_t>(MAX_BLOCK_SERIALIZED_SIZE - 1000, options.nBlockMaxSize));
// Whether we need to account for byte usage (in addition to weight usage)
fNeedSizeAccounting = (nBlockMaxSize < MAX_BLOCK_SERIALIZED_SIZE - 1000);
}
static BlockAssembler::Options DefaultOptions(const CChainParams& params)
{
// Block resource limits
// If neither -blockmaxsize or -blockmaxweight is given, limit to DEFAULT_BLOCK_MAX_*
// If only one is given, only restrict the specified resource.
// If both are given, restrict both.
nBlockMaxWeight = DEFAULT_BLOCK_MAX_WEIGHT;
nBlockMaxSize = DEFAULT_BLOCK_MAX_SIZE;
BlockAssembler::Options options;
options.nBlockMaxWeight = DEFAULT_BLOCK_MAX_WEIGHT;
options.nBlockMaxSize = DEFAULT_BLOCK_MAX_SIZE;
bool fWeightSet = false;
if (IsArgSet("-blockmaxweight")) {
nBlockMaxWeight = GetArg("-blockmaxweight", DEFAULT_BLOCK_MAX_WEIGHT);
nBlockMaxSize = MAX_BLOCK_SERIALIZED_SIZE;
options.nBlockMaxWeight = GetArg("-blockmaxweight", DEFAULT_BLOCK_MAX_WEIGHT);
options.nBlockMaxSize = MAX_BLOCK_SERIALIZED_SIZE;
fWeightSet = true;
}
if (IsArgSet("-blockmaxsize")) {
nBlockMaxSize = GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE);
options.nBlockMaxSize = GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE);
if (!fWeightSet) {
nBlockMaxWeight = nBlockMaxSize * WITNESS_SCALE_FACTOR;
options.nBlockMaxWeight = options.nBlockMaxSize * WITNESS_SCALE_FACTOR;
}
}
if (IsArgSet("-blockmintxfee")) {
CAmount n = 0;
ParseMoney(GetArg("-blockmintxfee", ""), n);
blockMinFeeRate = CFeeRate(n);
options.blockMinFeeRate = CFeeRate(n);
} else {
blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
options.blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
}
// Limit weight to between 4K and MAX_BLOCK_WEIGHT-4K for sanity:
nBlockMaxWeight = std::max((unsigned int)4000, std::min((unsigned int)(MAX_BLOCK_WEIGHT-4000), nBlockMaxWeight));
// Limit size to between 1K and MAX_BLOCK_SERIALIZED_SIZE-1K for sanity:
nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SERIALIZED_SIZE-1000), nBlockMaxSize));
// Whether we need to account for byte usage (in addition to weight usage)
fNeedSizeAccounting = (nBlockMaxSize < MAX_BLOCK_SERIALIZED_SIZE-1000);
return options;
}
BlockAssembler::BlockAssembler(const CChainParams& params) : BlockAssembler(params, DefaultOptions(params)) {}
void BlockAssembler::resetBlock()
{
inBlock.clear();

11
src/miner.h
View File

@ -163,7 +163,16 @@ private:
bool blockFinished;
public:
BlockAssembler(const CChainParams& chainparams);
struct Options {
Options();
size_t nBlockMaxWeight;
size_t nBlockMaxSize;
CFeeRate blockMinFeeRate;
};
BlockAssembler(const CChainParams& params);
BlockAssembler(const CChainParams& params, const Options& options);
/** Construct a new block template with coinbase to scriptPubKeyIn */
std::unique_ptr<CBlockTemplate> CreateNewBlock(const CScript& scriptPubKeyIn);

47
src/test/miner_tests.cpp
View File

@ -27,6 +27,15 @@ BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)
static CFeeRate blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
static BlockAssembler AssemblerForTest(const CChainParams& params) {
BlockAssembler::Options options;
options.nBlockMaxWeight = MAX_BLOCK_WEIGHT;
options.nBlockMaxSize = MAX_BLOCK_SERIALIZED_SIZE;
options.blockMinFeeRate = blockMinFeeRate;
return BlockAssembler(params, options);
}
static
struct {
unsigned char extranonce;
@ -110,7 +119,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
uint256 hashHighFeeTx = tx.GetHash();
mempool.addUnchecked(hashHighFeeTx, entry.Fee(50000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
std::unique_ptr<CBlockTemplate> pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[1]->GetHash() == hashParentTx);
BOOST_CHECK(pblocktemplate->block.vtx[2]->GetHash() == hashHighFeeTx);
BOOST_CHECK(pblocktemplate->block.vtx[3]->GetHash() == hashMediumFeeTx);
@ -130,7 +139,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
tx.vout[0].nValue = 5000000000LL - 1000 - 50000 - feeToUse;
uint256 hashLowFeeTx = tx.GetHash();
mempool.addUnchecked(hashLowFeeTx, entry.Fee(feeToUse).FromTx(tx));
pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
pblocktemplate = AssemblerForTest(chainparams).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]->GetHash() != hashFreeTx);
@ -144,7 +153,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
tx.vout[0].nValue -= 2; // Now we should be just over the min relay fee
hashLowFeeTx = tx.GetHash();
mempool.addUnchecked(hashLowFeeTx, entry.Fee(feeToUse+2).FromTx(tx));
pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[4]->GetHash() == hashFreeTx);
BOOST_CHECK(pblocktemplate->block.vtx[5]->GetHash() == hashLowFeeTx);
@ -165,7 +174,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
tx.vout[0].nValue = 5000000000LL - 100000000 - feeToUse;
uint256 hashLowFeeTx2 = tx.GetHash();
mempool.addUnchecked(hashLowFeeTx2, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));
pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
// Verify that this tx isn't selected.
for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
@ -178,7 +187,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
tx.vin[0].prevout.n = 1;
tx.vout[0].nValue = 100000000 - 10000; // 10k satoshi fee
mempool.addUnchecked(tx.GetHash(), entry.Fee(10000).FromTx(tx));
pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey);
BOOST_CHECK(pblocktemplate->block.vtx[8]->GetHash() == hashLowFeeTx2);
}
@ -201,7 +210,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
fCheckpointsEnabled = false;
// Simple block creation, nothing special yet:
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
@ -232,7 +241,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
}
// Just to make sure we can still make simple blocks
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
const CAmount BLOCKSUBSIDY = 50*COIN;
const CAmount LOWFEE = CENT;
@ -256,7 +265,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
@ -270,7 +279,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOpsCost(80).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
mempool.clear();
// block size > limit
@ -290,13 +299,13 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
mempool.clear();
// orphan in mempool, template creation fails
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));
BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// child with higher priority than parent
@ -313,7 +322,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = tx.vout[0].nValue+BLOCKSUBSIDY-HIGHERFEE; //First txn output + fresh coinbase - new txn fee
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
mempool.clear();
// coinbase in mempool, template creation fails
@ -324,7 +333,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
hash = tx.GetHash();
// 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(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// invalid (pre-p2sh) txn in mempool, template creation fails
@ -341,7 +350,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue -= LOWFEE;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// double spend txn pair in mempool, template creation fails
@ -354,7 +363,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
BOOST_CHECK_THROW(AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// subsidy changing
@ -370,7 +379,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
next->BuildSkip();
chainActive.SetTip(next);
}
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
// Extend to a 210000-long block chain.
while (chainActive.Tip()->nHeight < 210000) {
CBlockIndex* prev = chainActive.Tip();
@ -382,7 +391,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
next->BuildSkip();
chainActive.SetTip(next);
}
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
// Delete the dummy blocks again.
while (chainActive.Tip()->nHeight > nHeight) {
CBlockIndex* del = chainActive.Tip();
@ -468,7 +477,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).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,
@ -481,7 +490,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
chainActive.Tip()->nHeight++;
SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);
BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5);
chainActive.Tip()->nHeight--;