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| author | Alex Morcos <morcos@chaincode.com> | 2016-12-13 13:43:35 -0500 |
|---|---|---|
| committer | Alex Morcos <morcos@chaincode.com> | 2017-01-16 08:39:03 -0500 |
| commit | 7b1add3c28aae8caf2e1517f15cd953eacbb4931 (patch) | |
| tree | 275ed3876e984eaa5ffa35ac2780dfc6fb420b78 /src/init.cpp | |
| parent | daec955fd68bd0da036a5b446b54ffb01108adcd (diff) | |
| download | bitcoin-7b1add3c28aae8caf2e1517f15cd953eacbb4931.tar.xz | |
Introduce -incrementalrelayfee
Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/init.cpp b/src/init.cpp index b0c045da15..f3a3a1d276 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -465,8 +465,10 @@ std::string HelpMessage(HelpMessageMode mode) AppendParamsHelpMessages(strUsage, showDebug); strUsage += HelpMessageGroup(_("Node relay options:")); - if (showDebug) + if (showDebug) { strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET).RequireStandard())); + strUsage += HelpMessageOpt("-incrementalrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to define cost of relay, used for mempool limiting and BIP 125 replacement. (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_INCREMENTAL_RELAY_FEE))); + } strUsage += HelpMessageOpt("-bytespersigop", strprintf(_("Equivalent bytes per sigop in transactions for relay and mining (default: %u)"), DEFAULT_BYTES_PER_SIGOP)); strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), DEFAULT_ACCEPT_DATACARRIER)); strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY)); @@ -923,6 +925,15 @@ bool AppInitParameterInteraction() int64_t nMempoolSizeMin = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000 * 40; if (nMempoolSizeMax < 0 || nMempoolSizeMax < nMempoolSizeMin) return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin / 1000000.0))); + // incremental relay fee sets the minimimum feerate increase necessary for BIP 125 replacement in the mempool + // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting. + if (IsArgSet("-incrementalrelayfee")) + { + CAmount n = 0; + if (!ParseMoney(GetArg("-incrementalrelayfee", ""), n)) + return InitError(AmountErrMsg("incrementalrelayfee", GetArg("-incrementalrelayfee", ""))); + incrementalRelayFee = CFeeRate(n); + } // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); @@ -969,6 +980,10 @@ bool AppInitParameterInteraction() return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", ""))); // High fee check is done afterward in CWallet::ParameterInteraction() ::minRelayTxFee = CFeeRate(n); + } else if (incrementalRelayFee > ::minRelayTxFee) { + // Allow only setting incrementalRelayFee to control both + ::minRelayTxFee = incrementalRelayFee; + LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee.ToString()); } // Sanity check argument for min fee for including tx in block |