dash/src/test/miner_tests.cpp

392 lines
17 KiB
C++

// Copyright (c) 2011-2015 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 "chainparams.h"
#include "coins.h"
#include "consensus/consensus.h"
#include "consensus/merkle.h"
#include "consensus/validation.h"
#include "validation.h"
#include "masternode-payments.h"
#include "miner.h"
#include "pubkey.h"
#include "script/standard.h"
#include "txmempool.h"
#include "uint256.h"
#include "util.h"
#include "utilstrencodings.h"
#include "test/test_dash.h"
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(miner_tests, TestingSetup)
static
struct {
unsigned char extranonce;
unsigned int nonce;
} blockinfo[] = {
{0, 0x009c5477}, {0, 0x00a94582}, {0, 0x00af3d7f}, {0, 0x00d0b721},
{0, 0x00d53e10}, {0, 0x00f52f0f}, {0, 0x00fb5876}, {0, 0x0117fb12},
{0, 0x011f930b}, {0, 0x013365d2}, {0, 0x0151737e}, {0, 0x0152cdd0},
{0, 0x01758d20}, {0, 0x0178d509}, {0, 0x0192103c}, {0, 0x01a3f1b8},
{0, 0x01abc9c7}, {0, 0x01d2f50c}, {0, 0x01eebad1}, {0, 0x01ef3419},
{0, 0x01f3f154}, {0, 0x01fa6245}, {0, 0x0224e780}, {0, 0x02281625},
{0, 0x023a4d10}, {0, 0x0251d3cf}, {0, 0x02555277}, {0, 0x02648a41},
{0, 0x0280795e}, {0, 0x02a3a585}, {0, 0x02ade34a}, {0, 0x02b02b02},
{0, 0x02c9dc32}, {0, 0x02da9867}, {0, 0x02e4126e}, {0, 0x02e738c7},
{0, 0x02f5c6a9}, {0, 0x0307bb0f}, {0, 0x0328ea58}, {0, 0x034fe819},
{0, 0x036c6fcb}, {0, 0x039b8e11}, {0, 0x039fec90}, {0, 0x03a268ff},
{0, 0x03d37583}, {0, 0x03d6a9a7}, {0, 0x03e7a013}, {0, 0x03f01ebe},
{0, 0x0437104d}, {0, 0x043d0af7}, {0, 0x043d824d}, {0, 0x043f50fc},
{0, 0x044def8c}, {0, 0x0452309a}, {0, 0x04538bd3}, {0, 0x0459286b},
{0, 0x045bc734}, {0, 0x045c878a}, {0, 0x0485d3ba}, {0, 0x048a64e5},
{0, 0x048d6ae1}, {0, 0x048dcfec}, {0, 0x049d2c79}, {0, 0x04ade791},
{0, 0x04b75856}, {0, 0x04c1f89e}, {0, 0x04c2f731}, {0, 0x04ca0376},
{0, 0x04ca102a}, {0, 0x04cbdfe5}, {0, 0x04cbe35a}, {0, 0x04ccfa95},
{0, 0x04dcd6e4}, {0, 0x05066d8b}, {0, 0x05150274}, {0, 0x051dcfa0},
{0, 0x052a4c40}, {0, 0x05310c4e}, {0, 0x05452f69}, {0, 0x05517592},
{0, 0x05543eb8}, {0, 0x05549dc7}, {0, 0x05732695}, {0, 0x057b00d3},
{0, 0x0584760d}, {0, 0x059ca419}, {0, 0x05b23b58}, {0, 0x05c69745},
{0, 0x05e31a12}, {0, 0x05e932d5}, {0, 0x05ef8400}, {0, 0x05f0bdf6},
{0, 0x05f93997}, {0, 0x05ff2978}, {0, 0x06030233}, {0, 0x0627d615},
{0, 0x0644a441}, {0, 0x06518661}, {0, 0x06805ef2}, {0, 0x068c43dd},
{0, 0x069cca16}, {0, 0x06acbf10}, {0, 0x06c2d607}, {0, 0x06d9ea08},
{0, 0x0700d639}, {0, 0x07083d86}, {0, 0x071cc39d}, {0, 0x072c3cb8},
{0, 0x07665a0f}, {0, 0x07741214},
};
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);
}
// NOTE: These tests rely on CreateNewBlock doing its own self-validation!
BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
{
const CChainParams& chainparams = Params(CBaseChainParams::MAIN);
CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
CBlockTemplate *pblocktemplate;
CMutableTransaction tx,tx2;
CScript script;
uint256 hash;
TestMemPoolEntryHelper entry;
entry.nFee = 11;
entry.dPriority = 111.0;
entry.nHeight = 11;
LOCK(cs_main);
fCheckpointsEnabled = false;
// force UpdatedBlockTip to initialize nCachedBlockHeight
mnpayments.UpdatedBlockTip(chainActive.Tip());
// Simple block creation, nothing special yet:
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
int baseheight = 0;
std::vector<CTransaction*>txFirst;
for (unsigned int i = 0; i < sizeof(blockinfo)/sizeof(*blockinfo); ++i)
{
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
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());
txCoinbase.vout[0].scriptPubKey = CScript();
pblock->vtx[0] = CTransaction(txCoinbase);
if (txFirst.size() == 0)
baseheight = chainActive.Height();
if (txFirst.size() < 4)
txFirst.push_back(new CTransaction(pblock->vtx[0]));
pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
pblock->nNonce = blockinfo[i].nonce;
BOOST_CHECK(ProcessNewBlock(chainparams, pblock, true, NULL, NULL));
pblock->hashPrevBlock = pblock->GetHash();
}
delete pblocktemplate;
// Just to make sure we can still make simple blocks
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
// 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]->GetHash();
tx.vin[0].prevout.n = 0;
tx.vout.resize(1);
tx.vout[0].nValue = 50000000000LL;
for (unsigned int i = 0; i < 1001; ++i)
{
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
// If we don't set the # of sig ops in the CTxMemPoolEntry, template creation fails
mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
mempool.clear();
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
tx.vout[0].nValue = 50000000000LL;
for (unsigned int i = 0; i < 1001; ++i)
{
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
// If we do set the # of sig ops in the CTxMemPoolEntry, template creation passes
mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOps(20).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
// block size > limit
tx.vin[0].scriptSig = CScript();
// 18 * (520char + DROP) + OP_1 = 9433 bytes
std::vector<unsigned char> 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]->GetHash();
tx.vout[0].nValue = 50000000000LL;
for (unsigned int i = 0; i < 128; ++i)
{
tx.vout[0].nValue -= 10000000;
hash = tx.GetHash();
bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
// orphan in mempool, template creation fails
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).FromTx(tx));
BOOST_CHECK_THROW(CreateNewBlock(chainparams, 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]->GetHash();
tx.vout[0].nValue = 49000000000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000000LL).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]->GetHash();
tx.vin[1].prevout.n = 0;
tx.vout[0].nValue = 59000000000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(4000000000LL).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
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 = 0;
hash = tx.GetHash();
// give it a fee so it'll get mined
mempool.addUnchecked(hash, entry.Fee(100000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
mempool.clear();
// invalid (pre-p2sh) txn in mempool, template creation fails
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
tx.vin[0].prevout.n = 0;
tx.vin[0].scriptSig = CScript() << OP_1;
tx.vout[0].nValue = 49000000000LL;
script = CScript() << OP_0;
tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script));
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(100000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vin[0].prevout.hash = hash;
tx.vin[0].scriptSig = CScript() << std::vector<unsigned char>(script.begin(), script.end());
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
mempool.clear();
// double spend txn pair in mempool, template creation fails
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
tx.vin[0].scriptSig = CScript() << OP_1;
tx.vout[0].nValue = 49000000000LL;
tx.vout[0].scriptPubKey = CScript() << OP_1;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK_THROW(CreateNewBlock(chainparams, 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(GetRandHash());
// pcoinsTip->SetBestBlock(next->GetBlockHash());
// next->pprev = prev;
// next->nHeight = prev->nHeight + 1;
// next->BuildSkip();
// chainActive.SetTip(next);
// }
// BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
// delete pblocktemplate;
// // Extend to a 210000-long block chain.
// while (chainActive.Tip()->nHeight < 210000) {
// CBlockIndex* prev = chainActive.Tip();
// CBlockIndex* next = new CBlockIndex();
// next->phashBlock = new uint256(GetRandHash());
// pcoinsTip->SetBestBlock(next->GetBlockHash());
// next->pprev = prev;
// next->nHeight = prev->nHeight + 1;
// next->BuildSkip();
// chainActive.SetTip(next);
// }
// BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
// delete pblocktemplate;
// // 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<int> prevheights;
// relative height locked
tx.nVersion = 2;
tx.vin.resize(1);
prevheights.resize(1);
tx.vin[0].prevout.hash = txFirst[0]->GetHash(); // only 1 transaction
tx.vin[0].prevout.n = 0;
tx.vin[0].scriptSig = CScript() << OP_1;
tx.vin[0].nSequence = chainActive.Tip()->nHeight + 1; // txFirst[0] is the 2nd block
prevheights[0] = baseheight + 1;
tx.vout.resize(1);
tx.vout[0].nValue = 49000000000LL;
tx.vout[0].scriptPubKey = CScript() << OP_1;
tx.nLockTime = 0;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(1000000000L).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
BOOST_CHECK(SequenceLocks(tx, flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 2))); // Sequence locks pass on 2nd block
// relative time locked
tx.vin[0].prevout.hash = txFirst[1]->GetHash();
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | (((chainActive.Tip()->GetMedianTimePast()+1-chainActive[1]->GetMedianTimePast()) >> CTxIn::SEQUENCE_LOCKTIME_GRANULARITY) + 1); // txFirst[1] is the 3rd block
prevheights[0] = baseheight + 2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
BOOST_CHECK(SequenceLocks(tx, flags, &prevheights, CreateBlockIndex(chainActive.Tip()->nHeight + 1))); // Sequence locks pass 512 seconds later
for (int i = 0; i < CBlockIndex::nMedianTimeSpan; i++)
chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime -= 512; //undo tricked MTP
// absolute height locked
tx.vin[0].prevout.hash = txFirst[2]->GetHash();
tx.vin[0].nSequence = CTxIn::SEQUENCE_FINAL - 1;
prevheights[0] = baseheight + 3;
tx.nLockTime = chainActive.Tip()->nHeight + 1;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
BOOST_CHECK(!CheckFinalTx(tx, flags)); // Locktime fails
BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
BOOST_CHECK(IsFinalTx(tx, chainActive.Tip()->nHeight + 2, chainActive.Tip()->GetMedianTimePast())); // Locktime passes on 2nd block
// absolute time locked
tx.vin[0].prevout.hash = txFirst[3]->GetHash();
tx.nLockTime = chainActive.Tip()->GetMedianTimePast();
prevheights.resize(1);
prevheights[0] = baseheight + 4;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
BOOST_CHECK(!CheckFinalTx(tx, flags)); // Locktime fails
BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
BOOST_CHECK(IsFinalTx(tx, chainActive.Tip()->nHeight + 2, chainActive.Tip()->GetMedianTimePast() + 1)); // Locktime passes 1 second later
// 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;
BOOST_CHECK(CheckFinalTx(tx, flags)); // Locktime passes
BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
tx.vin[0].nSequence = 1;
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG;
BOOST_CHECK(TestSequenceLocks(tx, flags)); // Sequence locks pass
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, 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(), 3);
delete pblocktemplate;
// 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++)
chainActive.Tip()->GetAncestor(chainActive.Tip()->nHeight - i)->nTime += 512; //Trick the MedianTimePast
chainActive.Tip()->nHeight++;
SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5);
delete pblocktemplate;
chainActive.Tip()->nHeight--;
SetMockTime(0);
mempool.clear();
BOOST_FOREACH(CTransaction *tx, txFirst)
delete tx;
fCheckpointsEnabled = true;
}
BOOST_AUTO_TEST_SUITE_END()