[Logging] Define a STAKING log category.

This allows separation of log messages related to staking from log messages
about block creation, which currently includes all generic block creation
messages as well as DarkGravityWave difficulty measurements.

Author: Zannick

src/logging.cpp

@@ -124,6 +124,7 @@ const CLogCategoryDesc LogCategories[] =
     {BCLog::CHAINSCORE, "chainscore"},
     {BCLog::STAGING, "staging"},
     {BCLog::MINING, "mining"},
+    {BCLog::STAKING, "staking"},
     {BCLog::ALL, "1"},
     {BCLog::ALL, "all"},
 };

src/logging.h

@@ -58,6 +58,7 @@ namespace BCLog {
         CHAINSCORE = (1 << 23),
         STAGING     = (1 << 24),
         MINING      = (1 << 25),
+        STAKING     = (1 << 26),
         ALL         = ~(uint32_t)0,
     };
 

src/miner.cpp

@@ -515,7 +515,7 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
         }
         auto spend = TxInToZerocoinSpend(pblock->vtx[1]->vin[0]);
         if (!spend) {
-            LogPrint(BCLog::BLOCKCREATION, "%s: failed to get spend for txin", __func__);
+            LogPrint(BCLog::STAKING, "%s: failed to get spend for txin", __func__);
             return nullptr;
         }
 
@@ -525,17 +525,17 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
 #ifdef ENABLE_WALLET
         if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET) || !pwalletMain->GetZerocoinKey(bnSerial, key)) {
 #endif
-            LogPrint(BCLog::BLOCKCREATION, "%s: Failed to get zerocoin key from wallet!\n", __func__);
+            LogPrint(BCLog::STAKING, "%s: Failed to get zerocoin key from wallet!\n", __func__);
             return nullptr;
 #ifdef ENABLE_WALLET
         }
 #endif
 
         if (!key.Sign(pblock->GetHash(), pblock->vchBlockSig)) {
-            LogPrint(BCLog::BLOCKCREATION, "%s: Failed to sign block hash\n", __func__);
+            LogPrint(BCLog::STAKING, "%s: Failed to sign block hash\n", __func__);
             return nullptr;
         }
-        LogPrint(BCLog::BLOCKCREATION, "%s: FOUND STAKE!!\n block: \n%s\n", __func__, pblock->ToString());
+        LogPrint(BCLog::STAKING, "%s: FOUND STAKE!!\n block: \n%s\n", __func__, pblock->ToString());
     }
 
     if (pindexPrev && pindexPrev != chainActive.Tip()) {
@@ -932,7 +932,7 @@ void BitcoinMiner(std::shared_ptr<CReserveScript> coinbaseScript, bool fProofOfS
                 auto it = mapStakeHashCounter.find(nHeight);
                 if (it != mapStakeHashCounter.end() && it->second != nStakeHashesLast) {
                     nStakeHashesLast = it->second;
-                    LogPrint(BCLog::BLOCKCREATION, "%s: Tried %d stake hashes for block %d last=%d\n", __func__, nStakeHashesLast, nHeight+1, mapHashedBlocks.at(hashBestBlock));
+                    LogPrint(BCLog::STAKING, "%s: Tried %d stake hashes for block %d last=%d\n", __func__, nStakeHashesLast, nHeight+1, mapHashedBlocks.at(hashBestBlock));
                 }
                 // wait half of the nHashDrift with max wait of 3 minutes
                 int rand = GetRandInt(20); // add small randomness to prevent all nodes from being on too similar of timing

src/wallet/wallet.cpp

@@ -3908,7 +3908,7 @@ bool CWallet::CreateCoinStake(const CBlockIndex* pindexBest, unsigned int nBits,
                 LOCK(cs_main);
                 //Double check that this will pass time requirements
                 if (nTxNewTime <= nTimeMinBlock) {
-                    LogPrint(BCLog::BLOCKCREATION, "CreateCoinStake() : kernel found, but it is too far in the past \n");
+                    LogPrint(BCLog::STAKING, "%s : kernel found, but it is too far in the past \n", __func__);
                     continue;
                 }
                 nHeight = chainActive.Height();
@@ -4008,7 +4008,7 @@ bool CWallet::SelectStakeCoins(std::list<std::unique_ptr<ZerocoinStake> >& listI
         }
     }
 
-    LogPrint(BCLog::BLOCKCREATION, "%s: FOUND %d STAKABLE ZEROCOINS\n", __func__, listInputs.size());
+    LogPrint(BCLog::STAKING, "%s: FOUND %d STAKABLE ZEROCOINS\n", __func__, listInputs.size());
 
     return true;
 }