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Prevent very long gap in blocks

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This commit is contained in:
jl777
2018-06-07 21:01:41 -11:00
parent 7cf23c9815
commit 1659389801
4 changed files with 30 additions and 39 deletions
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33
src/miner.cpp
View File

@@ -124,10 +124,12 @@ uint64_t komodo_commission(const CBlock *block);
int32_t komodo_staked(CMutableTransaction &txNew,uint32_t nBits,uint32_t *blocktimep,uint32_t *txtimep,uint256 *utxotxidp,int32_t *utxovoutp,uint64_t *utxovaluep,uint8_t *utxosig);
int32_t komodo_notaryvin(CMutableTransaction &txNew,uint8_t *notarypub33);
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn,int32_t gpucount)
{
uint64_t deposits; int32_t isrealtime,kmdheight; uint32_t blocktime; const CChainParams& chainparams = Params();
// Create new block
if ( gpucount < 0 )
gpucount = KOMODO_MAXGPUCOUNT;
std::unique_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
if(!pblocktemplate.get())
{
@@ -475,6 +477,8 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
CMutableTransaction txNotary = CreateNewContextualCMutableTransaction(Params().GetConsensus(), chainActive.Height() + 1);
if ( pblock->nTime < pindexPrev->nTime+65 )
pblock->nTime = pindexPrev->nTime + 65;
if ( gpucount < 33 )
pblock->nTime += (rand() % (33 - gpucount)*(33 - gpucount));
if ( komodo_notaryvin(txNotary,NOTARY_PUBKEY33) > 0 )
{
CAmount txfees = 5000;
@@ -583,7 +587,7 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
// Internal miner
//
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey,int32_t nHeight)
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey,int32_t nHeight,int32_t gpucount)
{
CPubKey pubkey; CScript scriptPubKey; uint8_t *script,*ptr; int32_t i;
if ( nHeight == 1 && ASSETCHAINS_OVERRIDE_PUBKEY33[0] != 0 )
@@ -610,7 +614,7 @@ CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey,int32_t nHeight)
script[34] = OP_CHECKSIG;
//scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
}
return CreateNewBlock(scriptPubKey);
return CreateNewBlock(scriptPubKey,gpucount);
}
void komodo_broadcast(CBlock *pblock,int32_t limit)
@@ -717,7 +721,7 @@ void static BitcoinMiner()
unsigned int n = chainparams.EquihashN();
unsigned int k = chainparams.EquihashK();
uint8_t *script; uint64_t total,checktoshis; int32_t i,j,notaryid = -1;
uint8_t *script; uint64_t total,checktoshis; int32_t i,j,gpucount=KOMODO_MAXGPUCOUNT,notaryid = -1;
while ( (ASSETCHAIN_INIT == 0 || KOMODO_INITDONE == 0) ) //chainActive.Tip()->nHeight != 235300 &&
{
sleep(1);
@@ -771,11 +775,6 @@ void static BitcoinMiner()
//fprintf(stderr,"%s Found peers\n",ASSETCHAINS_SYMBOL);
miningTimer.start();
}
/*while ( ASSETCHAINS_SYMBOL[0] != 0 && chainActive.Tip()->nHeight < ASSETCHAINS_MINHEIGHT )
{
fprintf(stderr,"%s waiting for block 100, ht.%d\n",ASSETCHAINS_SYMBOL,chainActive.Tip()->nHeight);
sleep(3);
}*/
//
// Create new block
//
@@ -792,7 +791,7 @@ void static BitcoinMiner()
sleep(3);
}
#ifdef ENABLE_WALLET
CBlockTemplate *ptr = CreateNewBlockWithKey(reservekey,pindexPrev->nHeight+1);
CBlockTemplate *ptr = CreateNewBlockWithKey(reservekey,pindexPrev->nHeight+1,gpucount);
#else
CBlockTemplate *ptr = CreateNewBlockWithKey();
#endif
@@ -835,7 +834,7 @@ void static BitcoinMiner()
//
// Search
//
uint8_t pubkeys[66][33]; uint32_t blocktimes[66]; int mids[256],gpucount,nonzpkeys,i,j,externalflag; uint32_t savebits; int64_t nStart = GetTime();
uint8_t pubkeys[66][33]; uint32_t blocktimes[66]; int mids[256],nonzpkeys,i,j,externalflag; uint32_t savebits; int64_t nStart = GetTime();
savebits = pblock->nBits;
HASHTarget = arith_uint256().SetCompact(pblock->nBits);
roundrobin_delay = ROUNDROBIN_DELAY;
@@ -874,18 +873,8 @@ void static BitcoinMiner()
if ( mids[j] == -1 )
gpucount++;
}
if ( gpucount > j/2 )
{
double delta;
if ( notaryid < 0 )
i = (rand() % 64);
else i = ((Mining_height + notaryid) % 64);
delta = sqrt((double)gpucount - j/2) / 2.;
roundrobin_delay += ((delta * i) / 64) - delta;
//fprintf(stderr,"delta.%f %f %f\n",delta,(double)(gpucount - j/3) / 2,(delta * i) / 64);
}
if ( dispflag != 0 )
fprintf(stderr," <- prev minerids from ht.%d notary.%d gpucount.%d %.2f%% t.%u %d\n",pindexPrev->nHeight,notaryid,gpucount,100.*(double)gpucount/j,(uint32_t)time(NULL),roundrobin_delay);
fprintf(stderr," <- prev minerids from ht.%d notary.%d gpucount.%d %.2f%% t.%u\n",pindexPrev->nHeight,notaryid,gpucount,100.*(double)gpucount/j,(uint32_t)time(NULL));
}
for (j=0; j<65; j++)
if ( mids[j] == notaryid )

5
src/miner.h
View File

@@ -25,12 +25,13 @@ struct CBlockTemplate
std::vector<CAmount> vTxFees;
std::vector<int64_t> vTxSigOps;
};
#define KOMODO_MAXGPUCOUNT 65
/** Generate a new block, without valid proof-of-work */
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn,int32_t gpucount);
#ifdef ENABLE_WALLET
boost::optional<CScript> GetMinerScriptPubKey(CReserveKey& reservekey);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey,int32_t nHeight);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey,int32_t nHeight,int32_t gpucount);
#else
boost::optional<CScript> GetMinerScriptPubKey();
CBlockTemplate* CreateNewBlockWithKey();

5
src/rpcmining.cpp
View File

@@ -32,6 +32,7 @@
using namespace std;
/**
* Return average network hashes per second based on the last 'lookup' blocks,
* or over the difficulty averaging window if 'lookup' is nonpositive.
@@ -214,7 +215,7 @@ UniValue generate(const UniValue& params, bool fHelp)
lastTime = GetTime();
#ifdef ENABLE_WALLET
std::unique_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey,nHeight));
std::unique_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey,nHeight,KOMODO_MAXGPUCOUNT));
#else
std::unique_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey());
#endif
@@ -639,7 +640,7 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
}
#ifdef ENABLE_WALLET
CReserveKey reservekey(pwalletMain);
pblocktemplate = CreateNewBlockWithKey(reservekey,chainActive.Tip()->nHeight+1);
pblocktemplate = CreateNewBlockWithKey(reservekey,chainActive.Tip()->nHeight+1,KOMODO_MAXGPUCOUNT);
#else
pblocktemplate = CreateNewBlockWithKey();
#endif

26
src/test/miner_tests.cpp
View File

@@ -158,7 +158,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
for (unsigned int i = 0; i < sizeof(blockinfo)/sizeof(*blockinfo); ++i)
{
// Simple block creation, nothing special yet:
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
pblock->nVersion = 4;
@@ -270,7 +270,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
}
// Just to make sure we can still make simple blocks
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
// block sigops > limit: 1000 CHECKMULTISIG + 1
@@ -289,7 +289,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
@@ -310,14 +310,14 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
// orphan in mempool
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
@@ -335,7 +335,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = 49000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
@@ -346,7 +346,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = 0;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
@@ -364,7 +364,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue -= 10000;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
@@ -378,17 +378,17 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
mempool.clear();
// subsidy changing
int nHeight = chainActive.Height();
chainActive.Tip()->nHeight = 209999;
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
chainActive.Tip()->nHeight = 210000;
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
delete pblocktemplate;
chainActive.Tip()->nHeight = nHeight;
@@ -420,7 +420,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx2));
BOOST_CHECK(!CheckFinalTx(tx2, LOCKTIME_MEDIAN_TIME_PAST));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
// Neither tx should have made it into the template.
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 1);
@@ -435,7 +435,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
//BOOST_CHECK(CheckFinalTx(tx));
//BOOST_CHECK(CheckFinalTx(tx2));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey,-1));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 2);
delete pblocktemplate;