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Merge pull request #5998

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bebe728 Chainparams: Refactor: Remove redundant AllowMinDifficultyBlocks() getter (Jorge Timón)
This commit is contained in:
Wladimir J. van der Laan 2015-04-15 15:15:34 +02:00
commit 9ab7cbffce
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4 changed files with 15 additions and 14 deletions
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2
src/chainparams.h
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@ -56,8 +56,6 @@ public:
bool MiningRequiresPeers() const { return fMiningRequiresPeers; } bool MiningRequiresPeers() const { return fMiningRequiresPeers; }
/** Default value for -checkmempool and -checkblockindex argument */ /** Default value for -checkmempool and -checkblockindex argument */
bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; } bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; }
/** Allow mining of a min-difficulty block */
bool AllowMinDifficultyBlocks() const { return consensus.fPowAllowMinDifficultyBlocks; }
/** Make standard checks */ /** Make standard checks */
bool RequireStandard() const { return fRequireStandard; } bool RequireStandard() const { return fRequireStandard; }
/** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */ /** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */

22
src/miner.cpp
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@ -6,11 +6,12 @@
#include "miner.h" #include "miner.h"
#include "amount.h" #include "amount.h"
#include "primitives/transaction.h" #include "chainparams.h"
#include "hash.h" #include "hash.h"
#include "main.h" #include "main.h"
#include "net.h" #include "net.h"
#include "pow.h" #include "pow.h"
#include "primitives/transaction.h"
#include "timedata.h" #include "timedata.h"
#include "util.h" #include "util.h"
#include "utilmoneystr.h" #include "utilmoneystr.h"
@ -78,13 +79,13 @@ public:
} }
}; };
void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev) void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
{ {
pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
// Updating time can change work required on testnet: // Updating time can change work required on testnet:
if (Params().AllowMinDifficultyBlocks()) if (consensusParams.fPowAllowMinDifficultyBlocks)
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus()); pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
} }
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn) CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
@ -325,7 +326,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
// Fill in header // Fill in header
pblock->hashPrevBlock = pindexPrev->GetBlockHash(); pblock->hashPrevBlock = pindexPrev->GetBlockHash();
UpdateTime(pblock, pindexPrev); UpdateTime(pblock, Params().GetConsensus(), pindexPrev);
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus()); pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus());
pblock->nNonce = 0; pblock->nNonce = 0;
pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]); pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]);
@ -440,6 +441,7 @@ void static BitcoinMiner(CWallet *pwallet)
LogPrintf("BitcoinMiner started\n"); LogPrintf("BitcoinMiner started\n");
SetThreadPriority(THREAD_PRIORITY_LOWEST); SetThreadPriority(THREAD_PRIORITY_LOWEST);
RenameThread("bitcoin-miner"); RenameThread("bitcoin-miner");
const CChainParams& chainparams = Params();
// Each thread has its own key and counter // Each thread has its own key and counter
CReserveKey reservekey(pwallet); CReserveKey reservekey(pwallet);
@ -447,7 +449,7 @@ void static BitcoinMiner(CWallet *pwallet)
try { try {
while (true) { while (true) {
if (Params().MiningRequiresPeers()) { if (chainparams.MiningRequiresPeers()) {
// Busy-wait for the network to come online so we don't waste time mining // Busy-wait for the network to come online so we don't waste time mining
// on an obsolete chain. In regtest mode we expect to fly solo. // on an obsolete chain. In regtest mode we expect to fly solo.
while (vNodes.empty()) while (vNodes.empty())
@ -496,7 +498,7 @@ void static BitcoinMiner(CWallet *pwallet)
SetThreadPriority(THREAD_PRIORITY_LOWEST); SetThreadPriority(THREAD_PRIORITY_LOWEST);
// In regression test mode, stop mining after a block is found. // In regression test mode, stop mining after a block is found.
if (Params().MineBlocksOnDemand()) if (chainparams.MineBlocksOnDemand())
throw boost::thread_interrupted(); throw boost::thread_interrupted();
break; break;
@ -506,7 +508,7 @@ void static BitcoinMiner(CWallet *pwallet)
// Check for stop or if block needs to be rebuilt // Check for stop or if block needs to be rebuilt
boost::this_thread::interruption_point(); boost::this_thread::interruption_point();
// Regtest mode doesn't require peers // Regtest mode doesn't require peers
if (vNodes.empty() && Params().MiningRequiresPeers()) if (vNodes.empty() && chainparams.MiningRequiresPeers())
break; break;
if (nNonce >= 0xffff0000) if (nNonce >= 0xffff0000)
break; break;
@ -516,8 +518,8 @@ void static BitcoinMiner(CWallet *pwallet)
break; break;
// Update nTime every few seconds // Update nTime every few seconds
UpdateTime(pblock, pindexPrev); UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
if (Params().AllowMinDifficultyBlocks()) if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks)
{ {
// Changing pblock->nTime can change work required on testnet: // Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits); hashTarget.SetCompact(pblock->nBits);

3
src/miner.h
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@ -14,6 +14,7 @@ class CBlockIndex;
class CReserveKey; class CReserveKey;
class CScript; class CScript;
class CWallet; class CWallet;
namespace Consensus { class Params; };
struct CBlockTemplate struct CBlockTemplate
{ {
@ -29,6 +30,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey); CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey);
/** Modify the extranonce in a block */ /** Modify the extranonce in a block */
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce); void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
void UpdateTime(CBlockHeader* block, const CBlockIndex* pindexPrev); void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
#endif // BITCOIN_MINER_H #endif // BITCOIN_MINER_H

2
src/rpcmining.cpp
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@ -514,7 +514,7 @@ Value getblocktemplate(const Array& params, bool fHelp)
CBlock* pblock = &pblocktemplate->block; // pointer for convenience CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime // Update nTime
UpdateTime(pblock, pindexPrev); UpdateTime(pblock, Params().GetConsensus(), pindexPrev);
pblock->nNonce = 0; pblock->nNonce = 0;
static const Array aCaps = boost::assign::list_of("proposal"); static const Array aCaps = boost::assign::list_of("proposal");