UniValue estimatesmartfee(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 1)
throw std::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. Uses virtual transaction size as defined\n"
"in BIP 141 (witness data is discounted).\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(request.params, boost::assign::list_of(UniValue::VNUM));
int nBlocks = request.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;
}
static UniValue getnetworkinfo(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 0)
throw std::runtime_error(
"getnetworkinfo\n"
"Returns an object containing various state info regarding P2P networking.\n"
"\nResult:\n"
"{\n"
" \"version\": xxxxx, (numeric) the server version\n"
" \"subversion\": \"/Satoshi:x.x.x/\", (string) the server subversion string\n"
" \"protocolversion\": xxxxx, (numeric) the protocol version\n"
" \"localservices\": \"xxxxxxxxxxxxxxxx\", (string) the services we offer to the network\n"
" \"localrelay\": true|false, (bool) true if transaction relay is requested from peers\n"
" \"timeoffset\": xxxxx, (numeric) the time offset\n"
" \"connections\": xxxxx, (numeric) the number of connections\n"
" \"networkactive\": true|false, (bool) whether p2p networking is enabled\n"
" \"networks\": [ (array) information per network\n"
" {\n"
" \"name\": \"xxx\", (string) network (ipv4, ipv6 or onion)\n"
" \"limited\": true|false, (boolean) is the network limited using -onlynet?\n"
" \"reachable\": true|false, (boolean) is the network reachable?\n"
" \"proxy\": \"host:port\" (string) the proxy that is used for this network, or empty if none\n"
" \"proxy_randomize_credentials\": true|false, (string) Whether randomized credentials are used\n"
" }\n"
" ,...\n"
" ],\n"
" \"relayfee\": x.xxxxxxxx, (numeric) minimum relay fee for transactions in " + CURRENCY_UNIT + "/kB\n"
" \"incrementalfee\": x.xxxxxxxx, (numeric) minimum fee increment for mempool limiting or BIP 125 replacement in " + CURRENCY_UNIT + "/kB\n"
" \"localaddresses\": [ (array) list of local addresses\n"
" {\n"
" \"address\": \"xxxx\", (string) network address\n"
" \"port\": xxx, (numeric) network port\n"
" \"score\": xxx (numeric) relative score\n"
" }\n"
" ,...\n"
" ]\n"
" \"warnings\": \"...\" (string) any network and blockchain warnings\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getnetworkinfo", "")
+ HelpExampleRpc("getnetworkinfo", "")
);
LOCK(cs_main);
UniValue obj(UniValue::VOBJ);
obj.pushKV("version", CLIENT_VERSION);
obj.pushKV("subversion", strSubVersion);
obj.pushKV("protocolversion",PROTOCOL_VERSION);
if(g_connman)
obj.pushKV("localservices", strprintf("%016x", g_connman->GetLocalServices()));
obj.pushKV("localrelay", fRelayTxes);
obj.pushKV("timeoffset", GetTimeOffset());
if (g_connman) {
obj.pushKV("networkactive", g_connman->GetNetworkActive());
obj.pushKV("connections", (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL));
}
obj.pushKV("networks", GetNetworksInfo());
obj.pushKV("relayfee", ValueFromAmount(::minRelayTxFee.GetFeePerK()));
obj.pushKV("incrementalfee", ValueFromAmount(::incrementalRelayFee.GetFeePerK()));
UniValue localAddresses(UniValue::VARR);
{
LOCK(cs_mapLocalHost);
for (const std::pair<const CNetAddr, LocalServiceInfo> &item : mapLocalHost)
{
UniValue rec(UniValue::VOBJ);
rec.pushKV("address", item.first.ToString());
rec.pushKV("port", item.second.nPort);
rec.pushKV("score", item.second.nScore);
localAddresses.push_back(rec);
}
}
obj.pushKV("localaddresses", localAddresses);
obj.pushKV("warnings", GetWarnings("statusbar"));
return obj;
}
static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart)
{
if (!CheckWarmup(req))
return false;
std::string param;
const RetFormat rf = ParseDataFormat(param, strURIPart);
std::vector<std::string> uriParts;
if (param.length() > 1)
{
std::string strUriParams = param.substr(1);
boost::split(uriParts, strUriParams, boost::is_any_of("/"));
}
// throw exception in case of an empty request
std::string strRequestMutable = req->ReadBody();
if (strRequestMutable.length() == 0 && uriParts.size() == 0)
return RESTERR(req, HTTP_BAD_REQUEST, "Error: empty request");
bool fInputParsed = false;
bool fCheckMemPool = false;
std::vector<COutPoint> vOutPoints;
// parse/deserialize input
// input-format = output-format, rest/getutxos/bin requires binary input, gives binary output, ...
if (uriParts.size() > 0)
{
//inputs is sent over URI scheme (/rest/getutxos/checkmempool/txid1-n/txid2-n/...)
if (uriParts.size() > 0 && uriParts[0] == "checkmempool")
fCheckMemPool = true;
for (size_t i = (fCheckMemPool) ? 1 : 0; i < uriParts.size(); i++)
{
uint256 txid;
int32_t nOutput;
std::string strTxid = uriParts[i].substr(0, uriParts[i].find("-"));
std::string strOutput = uriParts[i].substr(uriParts[i].find("-")+1);
if (!ParseInt32(strOutput, &nOutput) || !IsHex(strTxid))
return RESTERR(req, HTTP_BAD_REQUEST, "Parse error");
txid.SetHex(strTxid);
vOutPoints.push_back(COutPoint(txid, (uint32_t)nOutput));
}
if (vOutPoints.size() > 0)
fInputParsed = true;
else
return RESTERR(req, HTTP_BAD_REQUEST, "Error: empty request");
}
switch (rf) {
case RF_HEX: {
// convert hex to bin, continue then with bin part
std::vector<unsigned char> strRequestV = ParseHex(strRequestMutable);
strRequestMutable.assign(strRequestV.begin(), strRequestV.end());
}
case RF_BINARY: {
try {
//deserialize only if user sent a request
if (strRequestMutable.size() > 0)
{
if (fInputParsed) //don't allow sending input over URI and HTTP RAW DATA
return RESTERR(req, HTTP_BAD_REQUEST, "Combination of URI scheme inputs and raw post data is not allowed");
CDataStream oss(SER_NETWORK, PROTOCOL_VERSION);
oss << strRequestMutable;
oss >> fCheckMemPool;
oss >> vOutPoints;
}
} catch (const std::ios_base::failure& e) {
// abort in case of unreadable binary data
return RESTERR(req, HTTP_BAD_REQUEST, "Parse error");
}
break;
}
case RF_JSON: {
if (!fInputParsed)
return RESTERR(req, HTTP_BAD_REQUEST, "Error: empty request");
break;
}
default: {
return RESTERR(req, HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
}
}
// limit max outpoints
if (vOutPoints.size() > MAX_GETUTXOS_OUTPOINTS)
return RESTERR(req, HTTP_BAD_REQUEST, strprintf("Error: max outpoints exceeded (max: %d, tried: %d)", MAX_GETUTXOS_OUTPOINTS, vOutPoints.size()));
// check spentness and form a bitmap (as well as a JSON capable human-readable string representation)
std::vector<unsigned char> bitmap;
std::vector<CCoin> outs;
std::string bitmapStringRepresentation;
std::vector<bool> hits;
bitmap.resize((vOutPoints.size() + 7) / 8);
{
LOCK2(cs_main, mempool.cs);
CCoinsView viewDummy;
CCoinsViewCache view(&viewDummy);
CCoinsViewCache& viewChain = *pcoinsTip;
CCoinsViewMemPool viewMempool(&viewChain, mempool);
if (fCheckMemPool)
view.SetBackend(viewMempool); // switch cache backend to db+mempool in case user likes to query mempool
for (size_t i = 0; i < vOutPoints.size(); i++) {
bool hit = false;
Coin coin;
if (view.GetCoin(vOutPoints[i], coin) && !mempool.isSpent(vOutPoints[i])) {
hit = true;
outs.emplace_back(std::move(coin));
}
hits.push_back(hit);
bitmapStringRepresentation.append(hit ? "1" : "0"); // form a binary string representation (human-readable for json output)
bitmap[i / 8] |= ((uint8_t)hit) << (i % 8);
}
}
switch (rf) {
case RF_BINARY: {
// serialize data
// use exact same output as mentioned in Bip64
CDataStream ssGetUTXOResponse(SER_NETWORK, PROTOCOL_VERSION);
ssGetUTXOResponse << chainActive.Height() << chainActive.Tip()->GetBlockHash() << bitmap << outs;
std::string ssGetUTXOResponseString = ssGetUTXOResponse.str();
req->WriteHeader("Content-Type", "application/octet-stream");
req->WriteReply(HTTP_OK, ssGetUTXOResponseString);
return true;
}
case RF_HEX: {
CDataStream ssGetUTXOResponse(SER_NETWORK, PROTOCOL_VERSION);
ssGetUTXOResponse << chainActive.Height() << chainActive.Tip()->GetBlockHash() << bitmap << outs;
std::string strHex = HexStr(ssGetUTXOResponse.begin(), ssGetUTXOResponse.end()) + "\n";
req->WriteHeader("Content-Type", "text/plain");
req->WriteReply(HTTP_OK, strHex);
return true;
}
case RF_JSON: {
UniValue objGetUTXOResponse(UniValue::VOBJ);
// pack in some essentials
// use more or less the same output as mentioned in Bip64
objGetUTXOResponse.push_back(Pair("chainHeight", chainActive.Height()));
objGetUTXOResponse.push_back(Pair("chaintipHash", chainActive.Tip()->GetBlockHash().GetHex()));
objGetUTXOResponse.push_back(Pair("bitmap", bitmapStringRepresentation));
UniValue utxos(UniValue::VARR);
for (const CCoin& coin : outs) {
UniValue utxo(UniValue::VOBJ);
utxo.push_back(Pair("height", (int32_t)coin.nHeight));
utxo.push_back(Pair("value", ValueFromAmount(coin.out.nValue)));
// include the script in a json output
UniValue o(UniValue::VOBJ);
ScriptPubKeyToUniv(coin.out.scriptPubKey, o, true);
utxo.push_back(Pair("scriptPubKey", o));
utxos.push_back(utxo);
}
objGetUTXOResponse.push_back(Pair("utxos", utxos));
// return json string
std::string strJSON = objGetUTXOResponse.write() + "\n";
req->WriteHeader("Content-Type", "application/json");
req->WriteReply(HTTP_OK, strJSON);
return true;
}
default: {
return RESTERR(req, HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
}
}
// not reached
return true; // continue to process further HTTP reqs on this cxn
}
/**
* @note Do not add or change anything in the information returned by this
* method. `getinfo` exists for backwards-compatibility only. It combines
* information from wildly different sources in the program, which is a mess,
* and is thus planned to be deprecated eventually.
*
* Based on the source of the information, new information should be added to:
* - `getblockchaininfo`,
* - `getnetworkinfo` or
* - `getwalletinfo`
*
* Or alternatively, create a specific query method for the information.
**/
UniValue getinfo(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 0)
throw std::runtime_error(
"getinfo\n"
"\nDEPRECATED. Returns an object containing various state info.\n"
"\nResult:\n"
"{\n"
" \"deprecation-warning\": \"...\" (string) warning that the getinfo command is deprecated and will be removed in 0.16\n"
" \"version\": xxxxx, (numeric) the server version\n"
" \"protocolversion\": xxxxx, (numeric) the protocol version\n"
" \"walletversion\": xxxxx, (numeric) the wallet version\n"
" \"balance\": xxxxxxx, (numeric) the total bitcoin balance of the wallet\n"
" \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n"
" \"timeoffset\": xxxxx, (numeric) the time offset\n"
" \"connections\": xxxxx, (numeric) the number of connections\n"
" \"proxy\": \"host:port\", (string, optional) the proxy used by the server\n"
" \"difficulty\": xxxxxx, (numeric) the current difficulty\n"
" \"testnet\": true|false, (boolean) if the server is using testnet or not\n"
" \"keypoololdest\": xxxxxx, (numeric) the timestamp (seconds since Unix epoch) of the oldest pre-generated key in the key pool\n"
" \"keypoolsize\": xxxx, (numeric) how many new keys are pre-generated\n"
" \"unlocked_until\": ttt, (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
" \"paytxfee\": x.xxxx, (numeric) the transaction fee set in " + CURRENCY_UNIT + "/kB\n"
" \"relayfee\": x.xxxx, (numeric) minimum relay fee for transactions in " + CURRENCY_UNIT + "/kB\n"
" \"errors\": \"...\" (string) any error messages\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getinfo", "")
+ HelpExampleRpc("getinfo", "")
);
#ifdef ENABLE_WALLET
CWallet * const pwallet = GetWalletForJSONRPCRequest(request);
LOCK2(cs_main, pwallet ? &pwallet->cs_wallet : NULL);
#else
LOCK(cs_main);
#endif
proxyType proxy;
GetProxy(NET_IPV4, proxy);
UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("deprecation-warning", "WARNING: getinfo is deprecated and will be fully removed in 0.16."
" Projects should transition to using getblockchaininfo, getnetworkinfo, and getwalletinfo before upgrading to 0.16"));
obj.push_back(Pair("version", CLIENT_VERSION));
obj.push_back(Pair("protocolversion", PROTOCOL_VERSION));
#ifdef ENABLE_WALLET
if (pwallet) {
obj.push_back(Pair("walletversion", pwallet->GetVersion()));
obj.push_back(Pair("balance", ValueFromAmount(pwallet->GetBalance())));
}
#endif
obj.push_back(Pair("blocks", (int)chainActive.Height()));
obj.push_back(Pair("timeoffset", GetTimeOffset()));
if(g_connman)
obj.push_back(Pair("connections", (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL)));
obj.push_back(Pair("proxy", (proxy.IsValid() ? proxy.proxy.ToStringIPPort() : std::string())));
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("testnet", Params().NetworkIDString() == CBaseChainParams::TESTNET));
#ifdef ENABLE_WALLET
if (pwallet) {
obj.push_back(Pair("keypoololdest", pwallet->GetOldestKeyPoolTime()));
obj.push_back(Pair("keypoolsize", (int)pwallet->GetKeyPoolSize()));
}
if (pwallet && pwallet->IsCrypted()) {
obj.push_back(Pair("unlocked_until", pwallet->nRelockTime));
}
obj.push_back(Pair("paytxfee", ValueFromAmount(payTxFee.GetFeePerK())));
#endif
obj.push_back(Pair("relayfee", ValueFromAmount(::minRelayTxFee.GetFeePerK())));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
return obj;
}
static UniValue estimaterawfee(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
"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 conf_target blocks if possible. Uses virtual transaction size as\n"
"defined in BIP 141 (witness data is discounted).\n"
"\nArguments:\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 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"
" \"short\" : { (json object, optional) estimate for short time horizon\n"
" \"feerate\" : x.x, (numeric, optional) estimate fee rate in " + CURRENCY_UNIT + "/kB\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, optional) 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, optional) information about the highest range of feerates to fail to meet the threshold\n"
" \"errors\": [ str... ] (json array of strings, optional) Errors encountered during processing\n"
" },\n"
" \"medium\" : { ... }, (json object, optional) estimate for medium time horizon\n"
" \"long\" : { ... } (json object) estimate for long time horizon\n"
"}\n"
"\n"
"Results are returned for any horizon which tracks blocks up to the confirmation target.\n"
"\nExample:\n"
+ HelpExampleCli("estimaterawfee", "6 0.9")
);
RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM}, true);
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
unsigned int conf_target = ParseConfirmTarget(request.params[0]);
double threshold = 0.95;
if (!request.params[1].isNull()) {
threshold = request.params[1].get_real();
}
if (threshold < 0 || threshold > 1) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid threshold");
}
UniValue result(UniValue::VOBJ);
for (const FeeEstimateHorizon horizon : {FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}) {
CFeeRate feeRate;
EstimationResult buckets;
// Only output results for horizons which track the target
if (conf_target > ::feeEstimator.HighestTargetTracked(horizon)) continue;
feeRate = ::feeEstimator.estimateRawFee(conf_target, threshold, horizon, &buckets);
UniValue horizon_result(UniValue::VOBJ);
UniValue errors(UniValue::VARR);
UniValue passbucket(UniValue::VOBJ);
passbucket.pushKV("startrange", round(buckets.pass.start));
passbucket.pushKV("endrange", round(buckets.pass.end));
passbucket.pushKV("withintarget", round(buckets.pass.withinTarget * 100.0) / 100.0);
passbucket.pushKV("totalconfirmed", round(buckets.pass.totalConfirmed * 100.0) / 100.0);
passbucket.pushKV("inmempool", round(buckets.pass.inMempool * 100.0) / 100.0);
passbucket.pushKV("leftmempool", round(buckets.pass.leftMempool * 100.0) / 100.0);
UniValue failbucket(UniValue::VOBJ);
failbucket.pushKV("startrange", round(buckets.fail.start));
failbucket.pushKV("endrange", round(buckets.fail.end));
failbucket.pushKV("withintarget", round(buckets.fail.withinTarget * 100.0) / 100.0);
failbucket.pushKV("totalconfirmed", round(buckets.fail.totalConfirmed * 100.0) / 100.0);
failbucket.pushKV("inmempool", round(buckets.fail.inMempool * 100.0) / 100.0);
failbucket.pushKV("leftmempool", round(buckets.fail.leftMempool * 100.0) / 100.0);
// CFeeRate(0) is used to indicate error as a return value from estimateRawFee
if (feeRate != CFeeRate(0)) {
horizon_result.pushKV("feerate", ValueFromAmount(feeRate.GetFeePerK()));
horizon_result.pushKV("decay", buckets.decay);
horizon_result.pushKV("scale", (int)buckets.scale);
horizon_result.pushKV("pass", passbucket);
// buckets.fail.start == -1 indicates that all buckets passed, there is no fail bucket to output
if (buckets.fail.start != -1) horizon_result.pushKV("fail", failbucket);
} else {
// Output only information that is still meaningful in the event of error
horizon_result.pushKV("decay", buckets.decay);
horizon_result.pushKV("scale", (int)buckets.scale);
horizon_result.pushKV("fail", failbucket);
errors.push_back("Insufficient data or no feerate found which meets threshold");
horizon_result.pushKV("errors",errors);
}
result.pushKV(StringForFeeEstimateHorizon(horizon), horizon_result);
}
return result;
}
static UniValue estimatesmartfee(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
RPCHelpMan{"estimatesmartfee",
"\nEstimates the approximate fee per kilobyte needed for a transaction to begin\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",
{
{"conf_target", RPCArg::Type::NUM, RPCArg::Optional::NO, "Confirmation target in blocks (1 - 1008)"},
{"estimate_mode", RPCArg::Type::STR, /* 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\"\n"
" \"ECONOMICAL\"\n"
" \"CONSERVATIVE\""},
},
RPCResult{
"{\n"
" \"feerate\" : x.x, (numeric, optional) estimate fee rate in " + CURRENCY_UNIT + "/kB\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"
"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"
},
RPCExamples{
HelpExampleCli("estimatesmartfee", "6")
},
}.ToString());
RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VSTR});
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
unsigned int conf_target = ParseConfirmTarget(request.params[0], max_target);
bool conservative = true;
if (!request.params[1].isNull()) {
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(conf_target, &feeCalc, conservative);
if (feeRate != CFeeRate(0)) {
result.pushKV("feerate", ValueFromAmount(feeRate.GetFeePerK()));
} else {
errors.push_back("Insufficient data or no feerate found");
result.pushKV("errors", errors);
}
result.pushKV("blocks", feeCalc.returnedTarget);
return result;
}
