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Merge pull request #6134

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e304432 Pass reference to estimateSmartFee and cleanup whitespace (Suhas Daftuar)
56106a3 Expose RPC calls for estimatesmart functions (Alex Morcos)
e93a236 add estimateSmartFee to the unit test (Alex Morcos)
6303051 EstimateSmart functions consider mempool min fee (Alex Morcos)
f22ac4a Increase success threshold for fee estimation to 95% (Alex Morcos)
4fe2823 Change wallet and GUI code to use new smart fee estimation calls. (Alex Morcos)
22eca7d Add smart fee estimation functions (Alex Morcos)
This commit is contained in:
Wladimir J. van der Laan
2015-11-27 12:45:30 +01:00
parent 05d591839f e30443244a
commit e92377fa7f
16 changed files with 261 additions and 66 deletions
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72
src/rpcmining.cpp
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@@ -726,3 +726,75 @@ UniValue estimatepriority(const UniValue& params, bool fHelp)
return mempool.estimatePriority(nBlocks);
}
UniValue estimatesmartfee(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"estimatesmartfee nblocks\n"
"\nWARNING: This interface is unstable and may disappear or change!\n"
"\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n"
"confirmation within nblocks blocks if possible and return the number of blocks\n"
"for which the estimate is valid.\n"
"\nArguments:\n"
"1. nblocks (numeric)\n"
"\nResult:\n"
"{\n"
" \"feerate\" : x.x, (numeric) estimate fee-per-kilobyte (in BTC)\n"
" \"blocks\" : n (numeric) block number where estimate was found\n"
"}\n"
"\n"
"A negative value is returned if not enough transactions and blocks\n"
"have been observed to make an estimate for any number of blocks.\n"
"However it will not return a value below the mempool reject fee.\n"
"\nExample:\n"
+ HelpExampleCli("estimatesmartfee", "6")
);
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
int nBlocks = params[0].get_int();
UniValue result(UniValue::VOBJ);
int answerFound;
CFeeRate feeRate = mempool.estimateSmartFee(nBlocks, &answerFound);
result.push_back(Pair("feerate", feeRate == CFeeRate(0) ? -1.0 : ValueFromAmount(feeRate.GetFeePerK())));
result.push_back(Pair("blocks", answerFound));
return result;
}
UniValue estimatesmartpriority(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"estimatesmartpriority nblocks\n"
"\nWARNING: This interface is unstable and may disappear or change!\n"
"\nEstimates the approximate priority a zero-fee transaction needs to begin\n"
"confirmation within nblocks blocks if possible and return the number of blocks\n"
"for which the estimate is valid.\n"
"\nArguments:\n"
"1. nblocks (numeric)\n"
"\nResult:\n"
"{\n"
" \"priority\" : x.x, (numeric) estimated priority\n"
" \"blocks\" : n (numeric) block number where estimate was found\n"
"}\n"
"\n"
"A negative value is returned if not enough transactions and blocks\n"
"have been observed to make an estimate for any number of blocks.\n"
"However if the mempool reject fee is set it will return 1e9 * MAX_MONEY.\n"
"\nExample:\n"
+ HelpExampleCli("estimatesmartpriority", "6")
);
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
int nBlocks = params[0].get_int();
UniValue result(UniValue::VOBJ);
int answerFound;
double priority = mempool.estimateSmartPriority(nBlocks, &answerFound);
result.push_back(Pair("priority", priority));
result.push_back(Pair("blocks", answerFound));
return result;
}