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Introduce -dustrelayfee

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Alex Morcos
2016-12-13 16:19:17 -05:00
parent 7b1add3c28
commit eb30d1a5b2
8 changed files with 37 additions and 17 deletions
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11
src/init.cpp
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@@ -468,6 +468,7 @@ std::string HelpMessage(HelpMessageMode mode)
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("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost about 1/3 of its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT, FormatMoney(DUST_RELAY_TX_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));
@@ -995,6 +996,16 @@ bool AppInitParameterInteraction()
return InitError(AmountErrMsg("blockmintxfee", GetArg("-blockmintxfee", "")));
}
// Feerate used to define dust. Shouldn't be changed lightly as old
// implementations may inadvertently create non-standard transactions
if (IsArgSet("-dustrelayfee"))
{
CAmount n = 0;
if (!ParseMoney(GetArg("-dustrelayfee", ""), n) || 0 == n)
return InitError(AmountErrMsg("dustrelayfee", GetArg("-dustrelayfee", "")));
dustRelayFee = CFeeRate(n);
}
fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard());
if (chainparams.RequireStandard() && !fRequireStandard)
return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString()));