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author | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-03-07 19:12:58 +0100 |
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committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-03-07 19:30:23 +0100 |
commit | 30ff3a2fc95ca6e5b87e6d0f86e54ed9069dae5e (patch) | |
tree | 902350468c8aea2d83dff3f177143c10f95c0e3f /src/validation.cpp | |
parent | 3178b2c740f1ca3a90956e2e29012e8aa3c05e62 (diff) | |
parent | b421e6ddcf00f220732f43742393452bb8bf4cdd (diff) | |
download | bitcoin-30ff3a2fc95ca6e5b87e6d0f86e54ed9069dae5e.tar.xz |
Merge #9602: Remove coin age priority and free transactions - implementation
b421e6d Update example bitcoin.conf (Alex Morcos)
7d4e950 Allow setting minrelaytxfee to 0 (Alex Morcos)
359e8a0 [cleanup] Remove coin age priority completely. (Alex Morcos)
f9b9371 [rpc] Remove priorityDelta from prioritisetransaction (Alex Morcos)
49be7e1 [rpc] Remove priority information from mempool RPC calls (Alex Morcos)
0315888 [test] Remove priority from tests (Alex Morcos)
f838005 No longer allow "free" transactions (Alex Morcos)
ad727f4 [rpc] sendrawtransaction no longer bypasses minRelayTxFee (Alex Morcos)
fe282ac [cleanup] Remove estimatePriority and estimateSmartPriority (Alex Morcos)
400b151 [debug] Change -printpriority option (Alex Morcos)
272b25a [mining] Remove -blockprioritysize. (Alex Morcos)
12839cd [rpc] Remove estimatepriority and estimatesmartpriority. (Alex Morcos)
ddf58c7 wallet: Remove sendfree (MarcoFalke)
Tree-SHA512: a9a4499405923ce794ef18f9e334dbbd59dfc73a3dc2df6f85cc9c62af6f353ec2eed9c2d5e58e904f918d0d7ab738f403dd4939d9bc2276136864fe63710782
Diffstat (limited to 'src/validation.cpp')
-rw-r--r-- | src/validation.cpp | 44 |
1 files changed, 9 insertions, 35 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index e09eba1aca..28013306d2 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -720,11 +720,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C CAmount nFees = nValueIn-nValueOut; // nModifiedFees includes any fee deltas from PrioritiseTransaction CAmount nModifiedFees = nFees; - double nPriorityDummy = 0; - pool.ApplyDeltas(hash, nPriorityDummy, nModifiedFees); - - CAmount inChainInputValue; - double dPriority = view.GetPriority(tx, chainActive.Height(), inChainInputValue); + pool.ApplyDelta(hash, nModifiedFees); // Keep track of transactions that spend a coinbase, which we re-scan // during reorgs to ensure COINBASE_MATURITY is still met. @@ -737,8 +733,8 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C } } - CTxMemPoolEntry entry(ptx, nFees, nAcceptTime, dPriority, chainActive.Height(), - inChainInputValue, fSpendsCoinbase, nSigOpsCost, lp); + CTxMemPoolEntry entry(ptx, nFees, nAcceptTime, chainActive.Height(), + fSpendsCoinbase, nSigOpsCost, lp); unsigned int nSize = entry.GetTxSize(); // Check that the transaction doesn't have an excessive number of @@ -753,32 +749,11 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C CAmount mempoolRejectFee = pool.GetMinFee(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFee(nSize); if (mempoolRejectFee > 0 && nModifiedFees < mempoolRejectFee) { return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "mempool min fee not met", false, strprintf("%d < %d", nFees, mempoolRejectFee)); - } else if (GetBoolArg("-relaypriority", DEFAULT_RELAYPRIORITY) && nModifiedFees < ::minRelayTxFee.GetFee(nSize) && !AllowFree(entry.GetPriority(chainActive.Height() + 1))) { - // Require that free transactions have sufficient priority to be mined in the next block. - return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "insufficient priority"); } - // Continuously rate-limit free (really, very-low-fee) transactions - // This mitigates 'penny-flooding' -- sending thousands of free transactions just to - // be annoying or make others' transactions take longer to confirm. - if (fLimitFree && nModifiedFees < ::minRelayTxFee.GetFee(nSize)) - { - static CCriticalSection csFreeLimiter; - static double dFreeCount; - static int64_t nLastTime; - int64_t nNow = GetTime(); - - LOCK(csFreeLimiter); - - // 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 + nSize >= GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) * 10 * 1000) - return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "rate limited free transaction"); - LogPrint("mempool", "Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize); - dFreeCount += nSize; + // No transactions are allowed below minRelayTxFee except from disconnected blocks + if (fLimitFree && nModifiedFees < ::minRelayTxFee.GetFee(nSize)) { + return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "min relay fee not met"); } if (nAbsurdFee && nFees > nAbsurdFee) @@ -4205,7 +4180,6 @@ bool LoadMempool(void) } uint64_t num; file >> num; - double prioritydummy = 0; while (num--) { CTransactionRef tx; int64_t nTime; @@ -4216,7 +4190,7 @@ bool LoadMempool(void) CAmount amountdelta = nFeeDelta; if (amountdelta) { - mempool.PrioritiseTransaction(tx->GetHash(), prioritydummy, amountdelta); + mempool.PrioritiseTransaction(tx->GetHash(), amountdelta); } CValidationState state; if (nTime + nExpiryTimeout > nNow) { @@ -4237,7 +4211,7 @@ bool LoadMempool(void) file >> mapDeltas; for (const auto& i : mapDeltas) { - mempool.PrioritiseTransaction(i.first, prioritydummy, i.second); + mempool.PrioritiseTransaction(i.first, i.second); } } catch (const std::exception& e) { LogPrintf("Failed to deserialize mempool data on disk: %s. Continuing anyway.\n", e.what()); @@ -4258,7 +4232,7 @@ void DumpMempool(void) { LOCK(mempool.cs); for (const auto &i : mempool.mapDeltas) { - mapDeltas[i.first] = i.second.second; + mapDeltas[i.first] = i.second; } vinfo = mempool.infoAll(); } |