diff options
Diffstat (limited to 'src/wallet')
-rw-r--r-- | src/wallet/coincontrol.h | 4 | ||||
-rw-r--r-- | src/wallet/feebumper.cpp | 5 | ||||
-rw-r--r-- | src/wallet/feebumper.h | 3 | ||||
-rw-r--r-- | src/wallet/rpcwallet.cpp | 98 | ||||
-rw-r--r-- | src/wallet/wallet.cpp | 141 | ||||
-rw-r--r-- | src/wallet/wallet.h | 6 |
6 files changed, 190 insertions, 67 deletions
diff --git a/src/wallet/coincontrol.h b/src/wallet/coincontrol.h index cb4719ae90..bdd01bec12 100644 --- a/src/wallet/coincontrol.h +++ b/src/wallet/coincontrol.h @@ -6,6 +6,7 @@ #define BITCOIN_WALLET_COINCONTROL_H #include "policy/feerate.h" +#include "policy/fees.h" #include "primitives/transaction.h" #include "wallet/wallet.h" @@ -26,6 +27,8 @@ public: int nConfirmTarget; //! Signal BIP-125 replace by fee. bool signalRbf; + //! Fee estimation mode to control arguments to estimateSmartFee + FeeEstimateMode m_fee_mode; CCoinControl() { @@ -42,6 +45,7 @@ public: fOverrideFeeRate = false; nConfirmTarget = 0; signalRbf = fWalletRbf; + m_fee_mode = FeeEstimateMode::UNSET; } bool HasSelected() const diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp index 6a9e6cf9ff..607ecf4182 100644 --- a/src/wallet/feebumper.cpp +++ b/src/wallet/feebumper.cpp @@ -66,7 +66,7 @@ bool CFeeBumper::preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx return true; } -CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable) +CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable, FeeEstimateMode fee_mode) : txid(std::move(txidIn)), nOldFee(0), @@ -165,7 +165,8 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConf nNewFee = totalFee; nNewFeeRate = CFeeRate(totalFee, maxNewTxSize); } else { - nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, nullptr, ignoreGlobalPayTxFee); + bool conservative_estimate = CalculateEstimateType(fee_mode, newTxReplaceable); + nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, nullptr /* FeeCalculation */, ignoreGlobalPayTxFee, conservative_estimate); nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize); // New fee rate must be at least old rate + minimum incremental relay rate diff --git a/src/wallet/feebumper.h b/src/wallet/feebumper.h index fc32316704..11e2f5f953 100644 --- a/src/wallet/feebumper.h +++ b/src/wallet/feebumper.h @@ -10,6 +10,7 @@ class CWallet; class CWalletTx; class uint256; +enum class FeeEstimateMode; enum class BumpFeeResult { @@ -24,7 +25,7 @@ enum class BumpFeeResult class CFeeBumper { public: - CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable); + CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable, FeeEstimateMode fee_mode); BumpFeeResult getResult() const { return currentResult; } const std::vector<std::string>& getErrors() const { return vErrors; } CAmount getOldFee() const { return nOldFee; } diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 867ccd4244..5f72e3b6f5 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -356,7 +356,7 @@ UniValue getaddressesbyaccount(const JSONRPCRequest& request) return ret; } -static void SendMoney(CWallet * const pwallet, const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, CWalletTx& wtxNew) +static void SendMoney(CWallet * const pwallet, const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, CWalletTx& wtxNew, CCoinControl *coin_control = nullptr) { CAmount curBalance = pwallet->GetBalance(); @@ -382,7 +382,7 @@ static void SendMoney(CWallet * const pwallet, const CTxDestination &address, CA int nChangePosRet = -1; CRecipient recipient = {scriptPubKey, nValue, fSubtractFeeFromAmount}; vecSend.push_back(recipient); - if (!pwallet->CreateTransaction(vecSend, wtxNew, reservekey, nFeeRequired, nChangePosRet, strError)) { + if (!pwallet->CreateTransaction(vecSend, wtxNew, reservekey, nFeeRequired, nChangePosRet, strError, coin_control)) { if (!fSubtractFeeFromAmount && nValue + nFeeRequired > curBalance) strError = strprintf("Error: This transaction requires a transaction fee of at least %s", FormatMoney(nFeeRequired)); throw JSONRPCError(RPC_WALLET_ERROR, strError); @@ -401,9 +401,9 @@ UniValue sendtoaddress(const JSONRPCRequest& request) return NullUniValue; } - if (request.fHelp || request.params.size() < 2 || request.params.size() > 5) + if (request.fHelp || request.params.size() < 2 || request.params.size() > 8) throw std::runtime_error( - "sendtoaddress \"address\" amount ( \"comment\" \"comment_to\" subtractfeefromamount )\n" + "sendtoaddress \"address\" amount ( \"comment\" \"comment_to\" subtractfeefromamount replaceable conf_target \"estimate_mode\")\n" "\nSend an amount to a given address.\n" + HelpRequiringPassphrase(pwallet) + "\nArguments:\n" @@ -416,6 +416,12 @@ UniValue sendtoaddress(const JSONRPCRequest& request) " transaction, just kept in your wallet.\n" "5. subtractfeefromamount (boolean, optional, default=false) The fee will be deducted from the amount being sent.\n" " The recipient will receive less bitcoins than you enter in the amount field.\n" + "6. replaceable (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees via BIP 125\n" + "7. conf_target (numeric, optional) Confirmation target (in blocks)\n" + "8. \"estimate_mode\" (string, optional, default=UNSET) The fee estimate mode, must be one of:\n" + " \"UNSET\"\n" + " \"ECONOMICAL\"\n" + " \"CONSERVATIVE\"\n" "\nResult:\n" "\"txid\" (string) The transaction id.\n" "\nExamples:\n" @@ -444,12 +450,29 @@ UniValue sendtoaddress(const JSONRPCRequest& request) wtx.mapValue["to"] = request.params[3].get_str(); bool fSubtractFeeFromAmount = false; - if (request.params.size() > 4) + if (request.params.size() > 4 && !request.params[4].isNull()) { fSubtractFeeFromAmount = request.params[4].get_bool(); + } + + CCoinControl coin_control; + if (request.params.size() > 5 && !request.params[5].isNull()) { + coin_control.signalRbf = request.params[5].get_bool(); + } + + if (request.params.size() > 6 && !request.params[6].isNull()) { + coin_control.nConfirmTarget = request.params[6].get_int(); + } + + if (request.params.size() > 7 && !request.params[7].isNull()) { + if (!FeeModeFromString(request.params[7].get_str(), coin_control.m_fee_mode)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter"); + } + } + EnsureWalletIsUnlocked(pwallet); - SendMoney(pwallet, address.Get(), nAmount, fSubtractFeeFromAmount, wtx); + SendMoney(pwallet, address.Get(), nAmount, fSubtractFeeFromAmount, wtx, &coin_control); return wtx.GetHash().GetHex(); } @@ -888,9 +911,9 @@ UniValue sendmany(const JSONRPCRequest& request) return NullUniValue; } - if (request.fHelp || request.params.size() < 2 || request.params.size() > 5) + if (request.fHelp || request.params.size() < 2 || request.params.size() > 8) throw std::runtime_error( - "sendmany \"fromaccount\" {\"address\":amount,...} ( minconf \"comment\" [\"address\",...] )\n" + "sendmany \"fromaccount\" {\"address\":amount,...} ( minconf \"comment\" [\"address\",...] replaceable conf_target \"estimate_mode\")\n" "\nSend multiple times. Amounts are double-precision floating point numbers." + HelpRequiringPassphrase(pwallet) + "\n" "\nArguments:\n" @@ -910,7 +933,13 @@ UniValue sendmany(const JSONRPCRequest& request) " \"address\" (string) Subtract fee from this address\n" " ,...\n" " ]\n" - "\nResult:\n" + "6. replaceable (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees via BIP 125\n" + "7. conf_target (numeric, optional) Confirmation target (in blocks)\n" + "8. \"estimate_mode\" (string, optional, default=UNSET) The fee estimate mode, must be one of:\n" + " \"UNSET\"\n" + " \"ECONOMICAL\"\n" + " \"CONSERVATIVE\"\n" + "\nResult:\n" "\"txid\" (string) The transaction id for the send. Only 1 transaction is created regardless of \n" " the number of addresses.\n" "\nExamples:\n" @@ -942,9 +971,24 @@ UniValue sendmany(const JSONRPCRequest& request) wtx.mapValue["comment"] = request.params[3].get_str(); UniValue subtractFeeFromAmount(UniValue::VARR); - if (request.params.size() > 4) + if (request.params.size() > 4 && !request.params[4].isNull()) subtractFeeFromAmount = request.params[4].get_array(); + CCoinControl coin_control; + if (request.params.size() > 5 && !request.params[5].isNull()) { + coin_control.signalRbf = request.params[5].get_bool(); + } + + if (request.params.size() > 6 && !request.params[6].isNull()) { + coin_control.nConfirmTarget = request.params[6].get_int(); + } + + if (request.params.size() > 7 && !request.params[7].isNull()) { + if (!FeeModeFromString(request.params[7].get_str(), coin_control.m_fee_mode)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter"); + } + } + std::set<CBitcoinAddress> setAddress; std::vector<CRecipient> vecSend; @@ -989,7 +1033,7 @@ UniValue sendmany(const JSONRPCRequest& request) CAmount nFeeRequired = 0; int nChangePosRet = -1; std::string strFailReason; - bool fCreated = pwallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, nChangePosRet, strFailReason); + bool fCreated = pwallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, nChangePosRet, strFailReason, &coin_control); if (!fCreated) throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, strFailReason); CValidationState state; @@ -2658,6 +2702,11 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) " [vout_index,...]\n" " \"replaceable\" (boolean, optional) Marks this transaction as BIP125 replaceable.\n" " Allows this transaction to be replaced by a transaction with higher fees\n" + " \"conf_target\" (numeric, optional) Confirmation target (in blocks)\n" + " \"estimate_mode\" (string, optional, default=UNSET) The fee estimate mode, must be one of:\n" + " \"UNSET\"\n" + " \"ECONOMICAL\"\n" + " \"CONSERVATIVE\"\n" " }\n" " for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}\n" "\nResult:\n" @@ -2710,6 +2759,8 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) {"feeRate", UniValueType()}, // will be checked below {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)}, {"replaceable", UniValueType(UniValue::VBOOL)}, + {"conf_target", UniValueType(UniValue::VNUM)}, + {"estimate_mode", UniValueType(UniValue::VSTR)}, }, true, true); @@ -2746,6 +2797,14 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) if (options.exists("replaceable")) { coinControl.signalRbf = options["replaceable"].get_bool(); } + if (options.exists("conf_target")) { + coinControl.nConfirmTarget = options["conf_target"].get_int(); + } + if (options.exists("estimate_mode")) { + if (!FeeModeFromString(options["estimate_mode"].get_str(), coinControl.m_fee_mode)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter"); + } + } } } @@ -2823,6 +2882,10 @@ UniValue bumpfee(const JSONRPCRequest& request) " so the new transaction will not be explicitly bip-125 replaceable (though it may\n" " still be replaceable in practice, for example if it has unconfirmed ancestors which\n" " are replaceable).\n" + " \"estimate_mode\" (string, optional, default=UNSET) The fee estimate mode, must be one of:\n" + " \"UNSET\"\n" + " \"ECONOMICAL\"\n" + " \"CONSERVATIVE\"\n" " }\n" "\nResult:\n" "{\n" @@ -2845,6 +2908,7 @@ UniValue bumpfee(const JSONRPCRequest& request) int newConfirmTarget = nTxConfirmTarget; CAmount totalFee = 0; bool replaceable = true; + FeeEstimateMode fee_mode = FeeEstimateMode::UNSET; if (request.params.size() > 1) { UniValue options = request.params[1]; RPCTypeCheckObj(options, @@ -2852,6 +2916,7 @@ UniValue bumpfee(const JSONRPCRequest& request) {"confTarget", UniValueType(UniValue::VNUM)}, {"totalFee", UniValueType(UniValue::VNUM)}, {"replaceable", UniValueType(UniValue::VBOOL)}, + {"estimate_mode", UniValueType(UniValue::VSTR)}, }, true, true); @@ -2876,12 +2941,17 @@ UniValue bumpfee(const JSONRPCRequest& request) if (options.exists("replaceable")) { replaceable = options["replaceable"].get_bool(); } + if (options.exists("estimate_mode")) { + if (!FeeModeFromString(options["estimate_mode"].get_str(), fee_mode)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter"); + } + } } LOCK2(cs_main, pwallet->cs_wallet); EnsureWalletIsUnlocked(pwallet); - CFeeBumper feeBump(pwallet, hash, newConfirmTarget, ignoreGlobalPayTxFee, totalFee, replaceable); + CFeeBumper feeBump(pwallet, hash, newConfirmTarget, ignoreGlobalPayTxFee, totalFee, replaceable, fee_mode); BumpFeeResult res = feeBump.getResult(); if (res != BumpFeeResult::OK) { @@ -3023,8 +3093,8 @@ static const CRPCCommand commands[] = { "wallet", "lockunspent", &lockunspent, true, {"unlock","transactions"} }, { "wallet", "move", &movecmd, false, {"fromaccount","toaccount","amount","minconf","comment"} }, { "wallet", "sendfrom", &sendfrom, false, {"fromaccount","toaddress","amount","minconf","comment","comment_to"} }, - { "wallet", "sendmany", &sendmany, false, {"fromaccount","amounts","minconf","comment","subtractfeefrom"} }, - { "wallet", "sendtoaddress", &sendtoaddress, false, {"address","amount","comment","comment_to","subtractfeefromamount"} }, + { "wallet", "sendmany", &sendmany, false, {"fromaccount","amounts","minconf","comment","subtractfeefrom","replaceable","conf_target","estimate_mode"} }, + { "wallet", "sendtoaddress", &sendtoaddress, false, {"address","amount","comment","comment_to","subtractfeefromamount","replaceable","conf_target","estimate_mode"} }, { "wallet", "setaccount", &setaccount, true, {"address","account"} }, { "wallet", "settxfee", &settxfee, true, {"amount"} }, { "wallet", "signmessage", &signmessage, true, {"address","message"} }, diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index f5d9b33acc..5e9701c71c 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -2569,7 +2569,43 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT std::vector<COutput> vAvailableCoins; AvailableCoins(vAvailableCoins, true, coinControl); + // Create change script that will be used if we need change + // TODO: pass in scriptChange instead of reservekey so + // change transaction isn't always pay-to-bitcoin-address + CScript scriptChange; + + // coin control: send change to custom address + if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange)) + scriptChange = GetScriptForDestination(coinControl->destChange); + + // no coin control: send change to newly generated address + else + { + // Note: We use a new key here to keep it from being obvious which side is the change. + // The drawback is that by not reusing a previous key, the change may be lost if a + // backup is restored, if the backup doesn't have the new private key for the change. + // If we reused the old key, it would be possible to add code to look for and + // rediscover unknown transactions that were written with keys of ours to recover + // post-backup change. + + // Reserve a new key pair from key pool + CPubKey vchPubKey; + bool ret; + ret = reservekey.GetReservedKey(vchPubKey, true); + if (!ret) + { + strFailReason = _("Keypool ran out, please call keypoolrefill first"); + return false; + } + + scriptChange = GetScriptForDestination(vchPubKey.GetID()); + } + CTxOut change_prototype_txout(0, scriptChange); + size_t change_prototype_size = GetSerializeSize(change_prototype_txout, SER_DISK, 0); + nFeeRet = 0; + bool pick_new_inputs = true; + CAmount nValueIn = 0; // Start with no fee and loop until there is enough fee while (true) { @@ -2615,49 +2651,21 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT } // Choose coins to use - CAmount nValueIn = 0; - setCoins.clear(); - if (!SelectCoins(vAvailableCoins, nValueToSelect, setCoins, nValueIn, coinControl)) - { - strFailReason = _("Insufficient funds"); - return false; + if (pick_new_inputs) { + nValueIn = 0; + setCoins.clear(); + if (!SelectCoins(vAvailableCoins, nValueToSelect, setCoins, nValueIn, coinControl)) + { + strFailReason = _("Insufficient funds"); + return false; + } } const CAmount nChange = nValueIn - nValueToSelect; + if (nChange > 0) { // Fill a vout to ourself - // TODO: pass in scriptChange instead of reservekey so - // change transaction isn't always pay-to-bitcoin-address - CScript scriptChange; - - // coin control: send change to custom address - if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange)) - scriptChange = GetScriptForDestination(coinControl->destChange); - - // no coin control: send change to newly generated address - else - { - // Note: We use a new key here to keep it from being obvious which side is the change. - // The drawback is that by not reusing a previous key, the change may be lost if a - // backup is restored, if the backup doesn't have the new private key for the change. - // If we reused the old key, it would be possible to add code to look for and - // rediscover unknown transactions that were written with keys of ours to recover - // post-backup change. - - // Reserve a new key pair from key pool - CPubKey vchPubKey; - bool ret; - ret = reservekey.GetReservedKey(vchPubKey, true); - if (!ret) - { - strFailReason = _("Keypool ran out, please call keypoolrefill first"); - return false; - } - - scriptChange = GetScriptForDestination(vchPubKey.GetID()); - } - CTxOut newTxOut(nChange, scriptChange); // Never create dust outputs; if we would, just @@ -2666,7 +2674,6 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT { nChangePosInOut = -1; nFeeRet += nChange; - reservekey.ReturnKey(); } else { @@ -2685,7 +2692,6 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT txNew.vout.insert(position, newTxOut); } } else { - reservekey.ReturnKey(); nChangePosInOut = -1; } @@ -2724,7 +2730,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT if (coinControl && coinControl->nConfirmTarget > 0) currentConfirmationTarget = coinControl->nConfirmTarget; - CAmount nFeeNeeded = GetMinimumFee(nBytes, currentConfirmationTarget, ::mempool, ::feeEstimator, &feeCalc); + // Allow to override the default fee estimate mode over the CoinControl instance + bool conservative_estimate = CalculateEstimateType(coinControl ? coinControl->m_fee_mode : FeeEstimateMode::UNSET, rbf); + + CAmount nFeeNeeded = GetMinimumFee(nBytes, currentConfirmationTarget, ::mempool, ::feeEstimator, &feeCalc, false /* ignoreGlobalPayTxFee */, conservative_estimate); if (coinControl && coinControl->fOverrideFeeRate) nFeeNeeded = coinControl->nFeeRate.GetFee(nBytes); @@ -2737,16 +2746,30 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT } if (nFeeRet >= nFeeNeeded) { - // Reduce fee to only the needed amount if we have change - // output to increase. This prevents potential overpayment - // in fees if the coins selected to meet nFeeNeeded result - // in a transaction that requires less fee than the prior - // iteration. + // Reduce fee to only the needed amount if possible. This + // prevents potential overpayment in fees if the coins + // selected to meet nFeeNeeded result in a transaction that + // requires less fee than the prior iteration. + // TODO: The case where nSubtractFeeFromAmount > 0 remains // to be addressed because it requires returning the fee to // the payees and not the change output. - // TODO: The case where there is no change output remains - // to be addressed so we avoid creating too small an output. + + // If we have no change and a big enough excess fee, then + // try to construct transaction again only without picking + // new inputs. We now know we only need the smaller fee + // (because of reduced tx size) and so we should add a + // change output. Only try this once. + CAmount fee_needed_for_change = GetMinimumFee(change_prototype_size, currentConfirmationTarget, ::mempool, ::feeEstimator, nullptr, false /* ignoreGlobalPayTxFee */, conservative_estimate); + CAmount minimum_value_for_change = GetDustThreshold(change_prototype_txout, ::dustRelayFee); + CAmount max_excess_fee = fee_needed_for_change + minimum_value_for_change; + if (nFeeRet > nFeeNeeded + max_excess_fee && nChangePosInOut == -1 && nSubtractFeeFromAmount == 0 && pick_new_inputs) { + pick_new_inputs = false; + nFeeRet = nFeeNeeded + fee_needed_for_change; + continue; + } + + // If we have change output already, just increase it if (nFeeRet > nFeeNeeded && nChangePosInOut != -1 && nSubtractFeeFromAmount == 0) { CAmount extraFeePaid = nFeeRet - nFeeNeeded; std::vector<CTxOut>::iterator change_position = txNew.vout.begin()+nChangePosInOut; @@ -2755,6 +2778,12 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT } break; // Done, enough fee included. } + else if (!pick_new_inputs) { + // This shouldn't happen, we should have had enough excess + // fee to pay for the new output and still meet nFeeNeeded + strFailReason = _("Transaction fee and change calculation failed"); + return false; + } // Try to reduce change to include necessary fee if (nChangePosInOut != -1 && nSubtractFeeFromAmount == 0) { @@ -2774,6 +2803,8 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT } } + if (nChangePosInOut == -1) reservekey.ReturnKey(); // Return any reserved key if we don't have change + if (sign) { CTransaction txNewConst(txNew); @@ -2905,13 +2936,13 @@ CAmount CWallet::GetRequiredFee(unsigned int nTxBytes) return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes)); } -CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc, bool ignoreGlobalPayTxFee) +CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc, bool ignoreGlobalPayTxFee, bool conservative_estimate) { // payTxFee is the user-set global for desired feerate CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes); // User didn't set: use -txconfirmtarget to estimate... if (nFeeNeeded == 0 || ignoreGlobalPayTxFee) { - nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, feeCalc, pool, true).GetFee(nTxBytes); + nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, feeCalc, pool, conservative_estimate).GetFee(nTxBytes); // ... unless we don't have enough mempool data for estimatefee, then use fallbackFee if (nFeeNeeded == 0) { nFeeNeeded = fallbackFee.GetFee(nTxBytes); @@ -4154,3 +4185,15 @@ bool CMerkleTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& { return ::AcceptToMemoryPool(mempool, state, tx, true, NULL, NULL, false, nAbsurdFee); } + +bool CalculateEstimateType(FeeEstimateMode mode, bool opt_in_rbf) { + switch (mode) { + case FeeEstimateMode::UNSET: + return !opt_in_rbf; // Allow for lower fees if RBF is an option + case FeeEstimateMode::CONSERVATIVE: + return true; + case FeeEstimateMode::ECONOMICAL: + return false; + } + return true; +} diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 4f558adc77..e3715cdf37 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -80,6 +80,7 @@ class CTxMemPool; class CBlockPolicyEstimator; class CWalletTx; struct FeeCalculation; +enum class FeeEstimateMode; /** (client) version numbers for particular wallet features */ enum WalletFeature @@ -963,7 +964,7 @@ public: * Estimate the minimum fee considering user set parameters * and the required fee */ - static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc = nullptr, bool ignoreGlobalPayTxFee = false); + static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc, bool ignoreGlobalPayTxFee, bool conservative_estimate); /** * Return the minimum required fee taking into account the * floating relay fee and user set minimum transaction fee @@ -1211,4 +1212,7 @@ bool CWallet::DummySignTx(CMutableTransaction &txNew, const ContainerType &coins } return true; } + +bool CalculateEstimateType(FeeEstimateMode mode, bool opt_in_rbf); + #endif // BITCOIN_WALLET_WALLET_H |