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-rw-r--r--src/rpc/mining.cpp101
1 files changed, 63 insertions, 38 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 046c85a76e..7d292a4635 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -24,12 +24,23 @@
#include "util.h"
#include "utilstrencodings.h"
#include "validationinterface.h"
+#include "warnings.h"
#include <memory>
#include <stdint.h>
#include <univalue.h>
+unsigned int ParseConfirmTarget(const UniValue& value)
+{
+ int target = value.get_int();
+ unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
+ if (target < 1 || (unsigned int)target > max_target) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid conf_target, must be between %u - %u", 1, max_target));
+ }
+ return (unsigned int)target;
+}
+
/**
* Return average network hashes per second based on the last 'lookup' blocks,
* or from the last difficulty change if 'lookup' is nonpositive.
@@ -91,7 +102,7 @@ UniValue getnetworkhashps(const JSONRPCRequest& request)
);
LOCK(cs_main);
- return GetNetworkHashPS(request.params.size() > 0 ? request.params[0].get_int() : 120, request.params.size() > 1 ? request.params[1].get_int() : -1);
+ return GetNetworkHashPS(!request.params[0].isNull() ? request.params[0].get_int() : 120, !request.params[1].isNull() ? request.params[1].get_int() : -1);
}
UniValue generateBlocks(std::shared_ptr<CReserveScript> coinbaseScript, int nGenerate, uint64_t nMaxTries, bool keepScript)
@@ -161,7 +172,7 @@ UniValue generatetoaddress(const JSONRPCRequest& request)
int nGenerate = request.params[0].get_int();
uint64_t nMaxTries = 1000000;
- if (request.params.size() > 2) {
+ if (!request.params[2].isNull()) {
nMaxTries = request.params[2].get_int();
}
@@ -363,7 +374,7 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
UniValue lpval = NullUniValue;
std::set<std::string> setClientRules;
int64_t nMaxVersionPreVB = -1;
- if (request.params.size() > 0)
+ if (!request.params[0].isNull())
{
const UniValue& oparam = request.params[0].get_obj();
const UniValue& modeval = find_value(oparam, "mode");
@@ -645,15 +656,16 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
result.push_back(Pair("mutable", aMutable));
result.push_back(Pair("noncerange", "00000000ffffffff"));
int64_t nSigOpLimit = MAX_BLOCK_SIGOPS_COST;
+ int64_t nSizeLimit = MAX_BLOCK_SERIALIZED_SIZE;
if (fPreSegWit) {
assert(nSigOpLimit % WITNESS_SCALE_FACTOR == 0);
nSigOpLimit /= WITNESS_SCALE_FACTOR;
+ assert(nSizeLimit % WITNESS_SCALE_FACTOR == 0);
+ nSizeLimit /= WITNESS_SCALE_FACTOR;
}
result.push_back(Pair("sigoplimit", nSigOpLimit));
- if (fPreSegWit) {
- result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_BASE_SIZE));
- } else {
- result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SERIALIZED_SIZE));
+ result.push_back(Pair("sizelimit", nSizeLimit));
+ if (!fPreSegWit) {
result.push_back(Pair("weightlimit", (int64_t)MAX_BLOCK_WEIGHT));
}
result.push_back(Pair("curtime", pblock->GetBlockTime()));
@@ -795,43 +807,59 @@ UniValue estimatesmartfee(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
- "estimatesmartfee nblocks (conservative)\n"
+ "estimatesmartfee conf_target (\"estimate_mode\")\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"
+ "confirmation within conf_target blocks if possible and return the number of blocks\n"
"for which the estimate is valid. Uses virtual transaction size as defined\n"
"in BIP 141 (witness data is discounted).\n"
"\nArguments:\n"
- "1. nblocks (numeric)\n"
- "2. conservative (bool, optional, default=true) Whether to return a more conservative estimate which\n"
- " also satisfies a longer history. A conservative estimate potentially returns a higher\n"
- " feerate and is more likely to be sufficient for the desired target, but is not as\n"
- " responsive to short term drops in the prevailing fee market\n"
+ "1. conf_target (numeric) Confirmation target in blocks (1 - 1008)\n"
+ "2. \"estimate_mode\" (string, optional, default=CONSERVATIVE) The fee estimate mode.\n"
+ " Whether to return a more conservative estimate which also satisfies\n"
+ " a longer history. A conservative estimate potentially returns a\n"
+ " higher feerate and is more likely to be sufficient for the desired\n"
+ " target, but is not as responsive to short term drops in the\n"
+ " prevailing fee market. Must be one of:\n"
+ " \"UNSET\" (defaults to CONSERVATIVE)\n"
+ " \"ECONOMICAL\"\n"
+ " \"CONSERVATIVE\"\n"
"\nResult:\n"
"{\n"
- " \"feerate\" : x.x, (numeric) estimate fee-per-kilobyte (in BTC)\n"
+ " \"feerate\" : x.x, (numeric, optional) estimate fee-per-kilobyte (in BTC)\n"
+ " \"errors\": [ str... ] (json array of strings, optional) Errors encountered during processing\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"
+ "The request target will be clamped between 2 and the highest target\n"
+ "fee estimation is able to return based on how long it has been running.\n"
+ "An error 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(request.params, {UniValue::VNUM});
-
- int nBlocks = request.params[0].get_int();
+ RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VSTR});
+ RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
+ unsigned int conf_target = ParseConfirmTarget(request.params[0]);
bool conservative = true;
if (request.params.size() > 1 && !request.params[1].isNull()) {
- RPCTypeCheckArgument(request.params[1], UniValue::VBOOL);
- conservative = request.params[1].get_bool();
+ FeeEstimateMode fee_mode;
+ if (!FeeModeFromString(request.params[1].get_str(), fee_mode)) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter");
+ }
+ if (fee_mode == FeeEstimateMode::ECONOMICAL) conservative = false;
}
UniValue result(UniValue::VOBJ);
+ UniValue errors(UniValue::VARR);
FeeCalculation feeCalc;
- CFeeRate feeRate = ::feeEstimator.estimateSmartFee(nBlocks, &feeCalc, ::mempool, conservative);
- result.push_back(Pair("feerate", feeRate == CFeeRate(0) ? -1.0 : ValueFromAmount(feeRate.GetFeePerK())));
+ CFeeRate feeRate = ::feeEstimator.estimateSmartFee(conf_target, &feeCalc, conservative);
+ if (feeRate != CFeeRate(0)) {
+ result.push_back(Pair("feerate", ValueFromAmount(feeRate.GetFeePerK())));
+ } else {
+ errors.push_back("Insufficient data or no feerate found");
+ result.push_back(Pair("errors", errors));
+ }
result.push_back(Pair("blocks", feeCalc.returnedTarget));
return result;
}
@@ -840,18 +868,18 @@ UniValue estimaterawfee(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
- "estimaterawfee nblocks (threshold)\n"
+ "estimaterawfee conf_target (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"
" and the results it returns will change if the internal implementation changes.\n"
"\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n"
- "confirmation within nblocks blocks if possible. Uses virtual transaction size as defined\n"
- "in BIP 141 (witness data is discounted).\n"
+ "confirmation within conf_target blocks if possible. Uses virtual transaction size as\n"
+ "defined in BIP 141 (witness data is discounted).\n"
"\nArguments:\n"
- "1. nblocks (numeric) Confirmation target in blocks (1 - 1008)\n"
+ "1. conf_target (numeric) Confirmation target in blocks (1 - 1008)\n"
"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"
+ " confirmed within conf_target in order to consider those feerates as high enough and proceed to check\n"
" lower buckets. Default: 0.95\n"
"\nResult:\n"
"{\n"
@@ -879,12 +907,9 @@ UniValue estimaterawfee(const JSONRPCRequest& request)
+ HelpExampleCli("estimaterawfee", "6 0.9")
);
- RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM, UniValue::VNUM}, true);
+ RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM}, true);
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
- int nBlocks = request.params[0].get_int();
- if (nBlocks < 1 || (unsigned int)nBlocks > ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE)) {
- throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid nblocks");
- }
+ unsigned int conf_target = ParseConfirmTarget(request.params[0]);
double threshold = 0.95;
if (!request.params[1].isNull()) {
threshold = request.params[1].get_real();
@@ -900,9 +925,9 @@ UniValue estimaterawfee(const JSONRPCRequest& request)
EstimationResult buckets;
// Only output results for horizons which track the target
- if ((unsigned int)nBlocks > ::feeEstimator.HighestTargetTracked(horizon)) continue;
+ if (conf_target > ::feeEstimator.HighestTargetTracked(horizon)) continue;
- feeRate = ::feeEstimator.estimateRawFee(nBlocks, threshold, horizon, &buckets);
+ feeRate = ::feeEstimator.estimateRawFee(conf_target, threshold, horizon, &buckets);
UniValue horizon_result(UniValue::VOBJ);
UniValue errors(UniValue::VARR);
UniValue passbucket(UniValue::VOBJ);
@@ -953,9 +978,9 @@ static const CRPCCommand commands[] =
{ "generating", "generatetoaddress", &generatetoaddress, true, {"nblocks","address","maxtries"} },
{ "util", "estimatefee", &estimatefee, true, {"nblocks"} },
- { "util", "estimatesmartfee", &estimatesmartfee, true, {"nblocks", "conservative"} },
+ { "util", "estimatesmartfee", &estimatesmartfee, true, {"conf_target", "estimate_mode"} },
- { "hidden", "estimaterawfee", &estimaterawfee, true, {"nblocks", "threshold"} },
+ { "hidden", "estimaterawfee", &estimaterawfee, true, {"conf_target", "threshold"} },
};
void RegisterMiningRPCCommands(CRPCTable &t)