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-rw-r--r--src/main.cpp53
-rw-r--r--src/main.h6
-rw-r--r--src/rpcrawtransaction.cpp2
-rw-r--r--src/wallet.cpp2
4 files changed, 31 insertions, 32 deletions
diff --git a/src/main.cpp b/src/main.cpp
index cb7975af0a..f0e7ac1371 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -627,7 +627,7 @@ void CTxMemPool::pruneSpent(const uint256 &hashTx, CCoins &coins)
}
}
-bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
+bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs, bool fLimitFree,
bool* pfMissingInputs)
{
if (pfMissingInputs)
@@ -733,7 +733,7 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
// Don't accept it if it can't get into a block
int64 txMinFee = tx.GetMinFee(1000, true, GMF_RELAY);
- if (nFees < txMinFee)
+ if (fLimitFree && nFees < txMinFee)
return error("CTxMemPool::accept() : not enough fees %s, %"PRI64d" < %"PRI64d,
hash.ToString().c_str(),
nFees, txMinFee);
@@ -741,25 +741,24 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
// Continuously rate-limit free transactions
// This mitigates 'penny-flooding' -- sending thousands of free transactions just to
// be annoying or make others' transactions take longer to confirm.
- if (nFees < MIN_RELAY_TX_FEE)
+ if (fLimitFree && nFees < MIN_RELAY_TX_FEE)
{
- static CCriticalSection cs;
static double dFreeCount;
static int64 nLastTime;
int64 nNow = GetTime();
- {
- // Use an exponentially decaying ~10-minute window:
- dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
- nLastTime = nNow;
- // -limitfreerelay unit is thousand-bytes-per-minute
- // At default rate it would take over a month to fill 1GB
- if (dFreeCount > GetArg("-limitfreerelay", 15)*10*1000 && !IsFromMe(tx))
- return error("CTxMemPool::accept() : free transaction rejected by rate limiter");
- if (fDebug)
- printf("Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
- dFreeCount += nSize;
- }
+ LOCK(cs);
+
+ // Use an exponentially decaying ~10-minute window:
+ dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
+ nLastTime = nNow;
+ // -limitfreerelay unit is thousand-bytes-per-minute
+ // At default rate it would take over a month to fill 1GB
+ if (dFreeCount > GetArg("-limitfreerelay", 15)*10*1000)
+ return error("CTxMemPool::accept() : free transaction rejected by rate limiter");
+ if (fDebug)
+ printf("Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
+ dFreeCount += nSize;
}
// Check against previous transactions
@@ -792,9 +791,9 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
return true;
}
-bool CTransaction::AcceptToMemoryPool(bool fCheckInputs, bool* pfMissingInputs)
+bool CTransaction::AcceptToMemoryPool(bool fCheckInputs, bool fLimitFree, bool* pfMissingInputs)
{
- return mempool.accept(*this, fCheckInputs, pfMissingInputs);
+ return mempool.accept(*this, fCheckInputs, fLimitFree, pfMissingInputs);
}
bool CTxMemPool::addUnchecked(const uint256& hash, CTransaction &tx)
@@ -905,9 +904,9 @@ int CMerkleTx::GetBlocksToMaturity() const
}
-bool CMerkleTx::AcceptToMemoryPool(bool fCheckInputs)
+bool CMerkleTx::AcceptToMemoryPool(bool fCheckInputs, bool fLimitFree)
{
- return CTransaction::AcceptToMemoryPool(fCheckInputs);
+ return CTransaction::AcceptToMemoryPool(fCheckInputs, fLimitFree);
}
@@ -923,10 +922,10 @@ bool CWalletTx::AcceptWalletTransaction(bool fCheckInputs)
{
uint256 hash = tx.GetHash();
if (!mempool.exists(hash) && pcoinsTip->HaveCoins(hash))
- tx.AcceptToMemoryPool(fCheckInputs);
+ tx.AcceptToMemoryPool(fCheckInputs, false);
}
}
- return AcceptToMemoryPool(fCheckInputs);
+ return AcceptToMemoryPool(fCheckInputs, false);
}
return false;
}
@@ -1797,7 +1796,7 @@ bool SetBestChain(CBlockIndex* pindexNew)
// Resurrect memory transactions that were in the disconnected branch
BOOST_FOREACH(CTransaction& tx, vResurrect)
- tx.AcceptToMemoryPool();
+ tx.AcceptToMemoryPool(true, false);
// Delete redundant memory transactions that are in the connected branch
BOOST_FOREACH(CTransaction& tx, vDelete) {
@@ -3181,7 +3180,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
pfrom->AddInventoryKnown(inv);
bool fMissingInputs = false;
- if (tx.AcceptToMemoryPool(true, &fMissingInputs))
+ if (tx.AcceptToMemoryPool(true, true, &fMissingInputs))
{
SyncWithWallets(inv.hash, tx, NULL, true);
RelayMessage(inv, vMsg);
@@ -3203,7 +3202,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
CInv inv(MSG_TX, tx.GetHash());
bool fMissingInputs2 = false;
- if (tx.AcceptToMemoryPool(true, &fMissingInputs2))
+ if (tx.AcceptToMemoryPool(true, true, &fMissingInputs2))
{
printf(" accepted orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
SyncWithWallets(inv.hash, tx, NULL, true);
@@ -3214,9 +3213,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
}
else if (!fMissingInputs2)
{
- // invalid orphan
+ // invalid or too-little-fee orphan
vEraseQueue.push_back(inv.hash);
- printf(" removed invalid orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
+ printf(" removed orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
}
}
}
diff --git a/src/main.h b/src/main.h
index 3290b16318..44fa5c1de3 100644
--- a/src/main.h
+++ b/src/main.h
@@ -649,7 +649,7 @@ public:
bool CheckTransaction() const;
// Try to accept this transaction into the memory pool
- bool AcceptToMemoryPool(bool fCheckInputs=true, bool* pfMissingInputs=NULL);
+ bool AcceptToMemoryPool(bool fCheckInputs=true, bool fLimitFree = true, bool* pfMissingInputs=NULL);
protected:
static const CTxOut &GetOutputFor(const CTxIn& input, CCoinsViewCache& mapInputs);
@@ -1103,7 +1103,7 @@ public:
int GetDepthInMainChain() const { CBlockIndex *pindexRet; return GetDepthInMainChain(pindexRet); }
bool IsInMainChain() const { return GetDepthInMainChain() > 0; }
int GetBlocksToMaturity() const;
- bool AcceptToMemoryPool(bool fCheckInputs=true);
+ bool AcceptToMemoryPool(bool fCheckInputs=true, bool fLimitFree=true);
};
@@ -1882,7 +1882,7 @@ public:
std::map<uint256, CTransaction> mapTx;
std::map<COutPoint, CInPoint> mapNextTx;
- bool accept(CTransaction &tx, bool fCheckInputs, bool* pfMissingInputs);
+ bool accept(CTransaction &tx, bool fCheckInputs, bool fLimitFree, bool* pfMissingInputs);
bool addUnchecked(const uint256& hash, CTransaction &tx);
bool remove(const CTransaction &tx, bool fRecursive = false);
bool removeConflicts(const CTransaction &tx);
diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp
index 9531b12678..8117a1ff46 100644
--- a/src/rpcrawtransaction.cpp
+++ b/src/rpcrawtransaction.cpp
@@ -546,7 +546,7 @@ Value sendrawtransaction(const Array& params, bool fHelp)
fHave = view.GetCoins(hashTx, existingCoins);
if (!fHave) {
// push to local node
- if (!tx.AcceptToMemoryPool())
+ if (!tx.AcceptToMemoryPool(true, false))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX rejected");
}
}
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 37b86c35b5..0a320b6f8e 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1279,7 +1279,7 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
mapRequestCount[wtxNew.GetHash()] = 0;
// Broadcast
- if (!wtxNew.AcceptToMemoryPool())
+ if (!wtxNew.AcceptToMemoryPool(true, false))
{
// This must not fail. The transaction has already been signed and recorded.
printf("CommitTransaction() : Error: Transaction not valid");