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Change API to estimaterawfee 

Report results for all 3 possible time horizons instead of specifying time horizon as an argument.
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1 parent 9edda0c commit 9c85b91dc1566f7c27c5b8a1a9c7aebe0e3a83cf @morcos morcos committed Jun 6, 2017
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Showing with 67 additions and 50 deletions.
  1. +1 −0 src/policy/feerate.h
  2. +13 −0 src/policy/fees.cpp
  3. +2 −0 src/policy/fees.h
  4. +0 −1 src/rpc/client.cpp
  5. +51 −49 src/rpc/mining.cpp
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1 src/policy/feerate.h
@@ -40,6 +40,7 @@ class CFeeRate
friend bool operator==(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK == b.nSatoshisPerK; }
friend bool operator<=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK <= b.nSatoshisPerK; }
friend bool operator>=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK >= b.nSatoshisPerK; }
+ friend bool operator!=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK != b.nSatoshisPerK; }
CFeeRate& operator+=(const CFeeRate& a) { nSatoshisPerK += a.nSatoshisPerK; return *this; }
std::string ToString() const;
View
13 src/policy/fees.cpp
@@ -16,6 +16,19 @@
static constexpr double INF_FEERATE = 1e99;
+std::string StringForFeeEstimateHorizon(FeeEstimateHorizon horizon) {
+ static const std::map<FeeEstimateHorizon, std::string> horizon_strings = {
+ {FeeEstimateHorizon::SHORT_HALFLIFE, "short"},
+ {FeeEstimateHorizon::MED_HALFLIFE, "medium"},
+ {FeeEstimateHorizon::LONG_HALFLIFE, "long"},
+ };
+ auto horizon_string = horizon_strings.find(horizon);
+
+ if (horizon_string == horizon_strings.end()) return "unknown";
+
+ return horizon_string->second;
+}
+
std::string StringForFeeReason(FeeReason reason) {
static const std::map<FeeReason, std::string> fee_reason_strings = {
{FeeReason::NONE, "None"},
View
2 src/policy/fees.h
@@ -74,6 +74,8 @@ enum FeeEstimateHorizon {
LONG_HALFLIFE = 2
};
+std::string StringForFeeEstimateHorizon(FeeEstimateHorizon horizon);
+
/* Enumeration of reason for returned fee estimate */
enum class FeeReason {
NONE,
View
1 src/rpc/client.cpp
@@ -113,7 +113,6 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "estimatesmartfee", 1, "conservative" },
{ "estimaterawfee", 0, "nblocks" },
{ "estimaterawfee", 1, "threshold" },
- { "estimaterawfee", 2, "horizon" },
{ "prioritisetransaction", 1, "dummy" },
{ "prioritisetransaction", 2, "fee_delta" },
{ "setban", 2, "bantime" },
View
100 src/rpc/mining.cpp
@@ -838,9 +838,9 @@ UniValue estimatesmartfee(const JSONRPCRequest& request)
UniValue estimaterawfee(const JSONRPCRequest& request)
{
- if (request.fHelp || request.params.size() < 1|| request.params.size() > 3)
+ if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
- "estimaterawfee nblocks (threshold horizon)\n"
+ "estimaterawfee nblocks (threshold)\n"
"\nWARNING: This interface is unstable and may disappear or change!\n"
"\nWARNING: This is an advanced API call that is tightly coupled to the specific\n"
" implementation of fee estimation. The parameters it can be called with\n"
@@ -853,68 +853,70 @@ UniValue estimaterawfee(const JSONRPCRequest& request)
"2. threshold (numeric, optional) The proportion of transactions in a given feerate range that must have been\n"
" confirmed within nblocks in order to consider those feerates as high enough and proceed to check\n"
" lower buckets. Default: 0.95\n"
- "3. horizon (numeric, optional) How long a history of estimates to consider. 0=short, 1=medium, 2=long.\n"
- " Default: 1\n"
"\nResult:\n"
"{\n"
- " \"feerate\" : x.x, (numeric) estimate fee-per-kilobyte (in BTC)\n"
- " \"decay\" : x.x, (numeric) exponential decay (per block) for historical moving average of confirmation data\n"
- " \"scale\" : x, (numeric) The resolution of confirmation targets at this time horizon\n"
- " \"pass\" : { (json object) information about the lowest range of feerates to succeed in meeting the threshold\n"
- " \"startrange\" : x.x, (numeric) start of feerate range\n"
- " \"endrange\" : x.x, (numeric) end of feerate range\n"
- " \"withintarget\" : x.x, (numeric) number of txs over history horizon in the feerate range that were confirmed within target\n"
- " \"totalconfirmed\" : x.x, (numeric) number of txs over history horizon in the feerate range that were confirmed at any point\n"
- " \"inmempool\" : x.x, (numeric) current number of txs in mempool in the feerate range unconfirmed for at least target blocks\n"
- " \"leftmempool\" : x.x, (numeric) number of txs over history horizon in the feerate range that left mempool unconfirmed after target\n"
- " }\n"
- " \"fail\" : { ... } (json object) information about the highest range of feerates to fail to meet the threshold\n"
+ " \"short\" : { (json object) estimate for short time horizon\n"
+ " \"feerate\" : x.x, (numeric) estimate fee-per-kilobyte (in BTC)\n"
+ " \"decay\" : x.x, (numeric) exponential decay (per block) for historical moving average of confirmation data\n"
+ " \"scale\" : x, (numeric) The resolution of confirmation targets at this time horizon\n"
+ " \"pass\" : { (json object) information about the lowest range of feerates to succeed in meeting the threshold\n"
+ " \"startrange\" : x.x, (numeric) start of feerate range\n"
+ " \"endrange\" : x.x, (numeric) end of feerate range\n"
+ " \"withintarget\" : x.x, (numeric) number of txs over history horizon in the feerate range that were confirmed within target\n"
+ " \"totalconfirmed\" : x.x, (numeric) number of txs over history horizon in the feerate range that were confirmed at any point\n"
+ " \"inmempool\" : x.x, (numeric) current number of txs in mempool in the feerate range unconfirmed for at least target blocks\n"
+ " \"leftmempool\" : x.x, (numeric) number of txs over history horizon in the feerate range that left mempool unconfirmed after target\n"
+ " },\n"
+ " \"fail\" : { ... }, (json object) information about the highest range of feerates to fail to meet the threshold\n"
+ " },\n"
+ " \"medium\" : { ... }, (json object) estimate for medium time horizon\n"
+ " \"long\" : { ... } (json object) estimate for long time horizon\n"
"}\n"
"\n"
"A negative feerate is returned if no answer can be given.\n"
"\nExample:\n"
- + HelpExampleCli("estimaterawfee", "6 0.9 1")
+ + HelpExampleCli("estimaterawfee", "6 0.9")
);
RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM, UniValue::VNUM}, true);
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
int nBlocks = request.params[0].get_int();
double threshold = 0.95;
- if (!request.params[1].isNull())
+ if (!request.params[1].isNull()) {
threshold = request.params[1].get_real();
- FeeEstimateHorizon horizon = FeeEstimateHorizon::MED_HALFLIFE;
- if (!request.params[2].isNull()) {
- int horizonInt = request.params[2].get_int();
- if (horizonInt < 0 || horizonInt > 2) {
- throw JSONRPCError(RPC_TYPE_ERROR, "Invalid horizon for fee estimates");
- } else {
- horizon = (FeeEstimateHorizon)horizonInt;
- }
}
+
UniValue result(UniValue::VOBJ);
- CFeeRate feeRate;
- EstimationResult buckets;
- feeRate = ::feeEstimator.estimateRawFee(nBlocks, threshold, horizon, &buckets);
- result.push_back(Pair("feerate", feeRate == CFeeRate(0) ? -1.0 : ValueFromAmount(feeRate.GetFeePerK())));
- result.push_back(Pair("decay", buckets.decay));
- result.push_back(Pair("scale", (int)buckets.scale));
- UniValue passbucket(UniValue::VOBJ);
- passbucket.push_back(Pair("startrange", round(buckets.pass.start)));
- passbucket.push_back(Pair("endrange", round(buckets.pass.end)));
- passbucket.push_back(Pair("withintarget", round(buckets.pass.withinTarget * 100.0) / 100.0));
- passbucket.push_back(Pair("totalconfirmed", round(buckets.pass.totalConfirmed * 100.0) / 100.0));
- passbucket.push_back(Pair("inmempool", round(buckets.pass.inMempool * 100.0) / 100.0));
- passbucket.push_back(Pair("leftmempool", round(buckets.pass.leftMempool * 100.0) / 100.0));
- result.push_back(Pair("pass", passbucket));
- UniValue failbucket(UniValue::VOBJ);
- failbucket.push_back(Pair("startrange", round(buckets.fail.start)));
- failbucket.push_back(Pair("endrange", round(buckets.fail.end)));
- failbucket.push_back(Pair("withintarget", round(buckets.fail.withinTarget * 100.0) / 100.0));
- failbucket.push_back(Pair("totalconfirmed", round(buckets.fail.totalConfirmed * 100.0) / 100.0));
- failbucket.push_back(Pair("inmempool", round(buckets.fail.inMempool * 100.0) / 100.0));
- failbucket.push_back(Pair("leftmempool", round(buckets.fail.leftMempool * 100.0) / 100.0));
- result.push_back(Pair("fail", failbucket));
+ for (FeeEstimateHorizon horizon : {FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}) {
+ CFeeRate feeRate;
+ EstimationResult buckets;
+ feeRate = ::feeEstimator.estimateRawFee(nBlocks, threshold, horizon, &buckets);
+
+ UniValue horizon_result(UniValue::VOBJ);
+ horizon_result.push_back(Pair("feerate", feeRate == CFeeRate(0) ? -1.0 : ValueFromAmount(feeRate.GetFeePerK())));
+ if (!(feeRate == CFeeRate(0))) {
+ horizon_result.push_back(Pair("decay", buckets.decay));
+ horizon_result.push_back(Pair("scale", (int)buckets.scale));
+ UniValue passbucket(UniValue::VOBJ);
+ passbucket.push_back(Pair("startrange", round(buckets.pass.start)));
+ passbucket.push_back(Pair("endrange", round(buckets.pass.end)));
+ passbucket.push_back(Pair("withintarget", round(buckets.pass.withinTarget * 100.0) / 100.0));
+ passbucket.push_back(Pair("totalconfirmed", round(buckets.pass.totalConfirmed * 100.0) / 100.0));
+ passbucket.push_back(Pair("inmempool", round(buckets.pass.inMempool * 100.0) / 100.0));
+ passbucket.push_back(Pair("leftmempool", round(buckets.pass.leftMempool * 100.0) / 100.0));
+ horizon_result.push_back(Pair("pass", passbucket));
+ UniValue failbucket(UniValue::VOBJ);
+ failbucket.push_back(Pair("startrange", round(buckets.fail.start)));
+ failbucket.push_back(Pair("endrange", round(buckets.fail.end)));
+ failbucket.push_back(Pair("withintarget", round(buckets.fail.withinTarget * 100.0) / 100.0));
+ failbucket.push_back(Pair("totalconfirmed", round(buckets.fail.totalConfirmed * 100.0) / 100.0));
+ failbucket.push_back(Pair("inmempool", round(buckets.fail.inMempool * 100.0) / 100.0));
+ failbucket.push_back(Pair("leftmempool", round(buckets.fail.leftMempool * 100.0) / 100.0));
+ horizon_result.push_back(Pair("fail", failbucket));
+ }
+ result.push_back(Pair(StringForFeeEstimateHorizon(horizon), horizon_result));
+ }
return result;
}
@@ -932,7 +934,7 @@ static const CRPCCommand commands[] =
{ "util", "estimatefee", &estimatefee, true, {"nblocks"} },
{ "util", "estimatesmartfee", &estimatesmartfee, true, {"nblocks", "conservative"} },
- { "hidden", "estimaterawfee", &estimaterawfee, true, {"nblocks", "threshold", "horizon"} },
+ { "hidden", "estimaterawfee", &estimaterawfee, true, {"nblocks", "threshold"} },
};
void RegisterMiningRPCCommands(CRPCTable &t)

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