PPCoin: Enable public testnet

diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 0f6e441..94e5c23 100644 (file)
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -195,7 +195,7 @@ namespace Checkpoints
         // Select the last proof-of-work block
         const CBlockIndex *pindex = GetLastBlockIndex(pindexBest, false);
         // Search forward for a block within max span and maturity window
-        while (pindex->pnext && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN <= pindexBest->GetBlockTime() || pindex->nHeight + COINBASE_MATURITY - 20 <= pindexBest->nHeight))
+        while (pindex->pnext && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN <= pindexBest->GetBlockTime() || pindex->nHeight + nCoinbaseMaturity - 20 <= pindexBest->nHeight))
             pindex = pindex->pnext;
         return pindex->GetBlockHash();
     }
@@ -348,8 +348,8 @@ namespace Checkpoints
         // sync-checkpoint should always be accepted block
         assert(mapBlockIndex.count(hashSyncCheckpoint));
         const CBlockIndex* pindexSync = mapBlockIndex[hashSyncCheckpoint];
-        return (nBestHeight >= pindexSync->nHeight + COINBASE_MATURITY ||
-                pindexSync->GetBlockTime() + STAKE_MIN_AGE < GetAdjustedTime());
+        return (nBestHeight >= pindexSync->nHeight + nCoinbaseMaturity ||
+                pindexSync->GetBlockTime() + nStakeMinAge < GetAdjustedTime());
     }
 }
 

diff --git a/src/main.cpp b/src/main.cpp
index 0390b9c..bc0bdd9 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -33,6 +33,8 @@ set<pair<COutPoint, unsigned int> > setStakeSeen;
 uint256 hashGenesisBlock = hashGenesisBlockOfficial;
 static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
 static CBigNum bnInitialHashTarget(~uint256(0) >> 40);
+unsigned int nStakeMinAge = STAKE_MIN_AGE;
+int nCoinbaseMaturity = COINBASE_MATURITY;
 CBlockIndex* pindexGenesisBlock = NULL;
 int nBestHeight = -1;
 CBigNum bnBestChainTrust = 0;
@@ -709,7 +711,7 @@ int CMerkleTx::GetBlocksToMaturity() const
 {
     if (!(IsCoinBase() || IsCoinStake()))
         return 0;
-    return max(0, (COINBASE_MATURITY+20) - GetDepthInMainChain());
+    return max(0, (nCoinbaseMaturity+20) - GetDepthInMainChain());
 }
 
 
@@ -1168,7 +1170,7 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, MapPrevTx inputs,
 
             // If prev is coinbase/coinstake, check that it's matured
             if (txPrev.IsCoinBase() || txPrev.IsCoinStake())
-                for (const CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < COINBASE_MATURITY; pindex = pindex->pprev)
+                for (const CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < nCoinbaseMaturity; pindex = pindex->pprev)
                     if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile)
                         return error("ConnectInputs() : tried to spend coinbase/coinstake at depth %d", pindexBlock->nHeight - pindex->nHeight);
 
@@ -1721,7 +1723,7 @@ bool CTransaction::CheckProofOfStake(unsigned int nBits) const
     CBlock block;
     if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
         return false; // unable to read block of previous transaction
-    if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+    if (block.GetBlockTime() + nStakeMinAge > nTime)
         return false; // only count coins meeting min age requirement
 
     int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
@@ -1764,7 +1766,7 @@ bool CTransaction::GetCoinAge(CTxDB& txdb, uint64& nCoinAge) const
         CBlock block;
         if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
             return false; // unable to read block of previous transaction
-        if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+        if (block.GetBlockTime() + nStakeMinAge > nTime)
             continue; // only count coins meeting min age requirement
 
         int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
@@ -2242,12 +2244,18 @@ bool LoadBlockIndex(bool fAllowNew)
     {
         hashGenesisBlock = hashGenesisBlockTestNet;
         bnProofOfWorkLimit = CBigNum(~uint256(0) >> 28);
-        pchMessageStart[0] = 0xfa;
-        pchMessageStart[1] = 0xbf;
-        pchMessageStart[2] = 0xb5;
-        pchMessageStart[3] = 0xda;
+        pchMessageStart[0] = 0x9b;
+        pchMessageStart[1] = 0xa1;
+        pchMessageStart[2] = 0xb2;
+        pchMessageStart[3] = 0xb6;
+        nStakeMinAge = 60 * 60 * 24; // test net min age is 1 day
+        nCoinbaseMaturity = 60;
+        bnInitialHashTarget = CBigNum(~uint256(0) >> 29);
     }
 
+    printf("%s Network: genesis=0x%s nBitsLimit=0x%08x nBitsInitial=0x%08x nStakeMinAge=%d nCoinbaseMaturity=%d\n",
+           fTestNet? "Test" : "PPCoin", hashGenesisBlock.ToString().substr(0, 20).c_str(), bnProofOfWorkLimit.GetCompact(), bnInitialHashTarget.GetCompact(), nStakeMinAge, nCoinbaseMaturity);
+
     //
     // Load block index
     //
@@ -2328,7 +2336,7 @@ bool LoadBlockIndex(bool fAllowNew)
                 return error("LoadBlockIndex() : failed to write new checkpoint master key to db");
             if (!txdb.TxnCommit())
                 return error("LoadBlockIndex() : failed to commit new checkpoint master key to db");
-            if (!Checkpoints::ResetSyncCheckpoint())
+            if ((!fTestNet) && !Checkpoints::ResetSyncCheckpoint())
                 return error("LoadBlockIndex() : failed to reset sync-checkpoint");
         }
         txdb.Close();
@@ -2457,7 +2465,7 @@ string GetWarnings(string strFor)
 
     // ppcoin: should not enter safe mode for longer invalid chain
     // ppcoin: if sync-checkpoint too old enter safe mode
-    if (Checkpoints::IsMatureSyncCheckpoint())
+    if (Checkpoints::IsMatureSyncCheckpoint() && !fTestNet)
     {
         nPriority = 2000;
         strStatusBar = strRPC = "WARNING: Checkpoint is too old. Wait for block chain to download, or notify developers of the issue.";
@@ -2933,7 +2941,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
                 printf("  getblocks stopping at %d %s (%u bytes)\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str(), nBytes);
                 // ppcoin: tell downloading node about the latest block if it's
                 // without risk being rejected due to stake connection check
-                if (hashStop != hashBestChain && pindex->GetBlockTime() + STAKE_MIN_AGE > pindexBest->GetBlockTime())
+                if (hashStop != hashBestChain && pindex->GetBlockTime() + nStakeMinAge > pindexBest->GetBlockTime())
                     pfrom->PushInventory(CInv(MSG_BLOCK, hashBestChain));
                 break;
             }

diff --git a/src/main.h b/src/main.h
index 92ed8dd..0bd9ab4 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -61,6 +61,8 @@ extern CCriticalSection cs_main;
 extern std::map<uint256, CBlockIndex*> mapBlockIndex;
 extern std::set<std::pair<COutPoint, unsigned int> > setStakeSeen;
 extern uint256 hashGenesisBlock;
+extern unsigned int nStakeMinAge;
+extern int nCoinbaseMaturity;
 extern CBlockIndex* pindexGenesisBlock;
 extern int nBestHeight;
 extern CBigNum bnBestChainTrust;

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 4dbc6af..b24d251 100644 (file)
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1242,7 +1242,7 @@ bool CWallet::CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, CTr
         CBlock block;
         if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
             continue;
-        if (block.GetBlockTime() + STAKE_MIN_AGE > txNew.nTime)
+        if (block.GetBlockTime() + nStakeMinAge > txNew.nTime)
             continue; // only count coins meeting min age requirement
 
         int64 nValueIn = pcoin.first->vout[pcoin.second].nValue;