diff options
Diffstat (limited to 'src/wallet/wallet.cpp')
| -rw-r--r-- | src/wallet/wallet.cpp | 86 |
1 files changed, 65 insertions, 21 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 54f9ff7a1f..c132a4be42 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -2320,27 +2320,15 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibil for (OutputGroup& group : groups) { if (!group.EligibleForSpending(eligibility_filter)) continue; - group.fee = 0; - group.long_term_fee = 0; - group.effective_value = 0; - for (auto it = group.m_outputs.begin(); it != group.m_outputs.end(); ) { - const CInputCoin& coin = *it; - CAmount effective_value = coin.txout.nValue - (coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes)); - // Only include outputs that are positive effective value (i.e. not dust) - if (effective_value > 0) { - group.fee += coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes); - group.long_term_fee += coin.m_input_bytes < 0 ? 0 : long_term_feerate.GetFee(coin.m_input_bytes); - if (coin_selection_params.m_subtract_fee_outputs) { - group.effective_value += coin.txout.nValue; - } else { - group.effective_value += effective_value; - } - ++it; - } else { - it = group.Discard(coin); - } + if (coin_selection_params.m_subtract_fee_outputs) { + // Set the effective feerate to 0 as we don't want to use the effective value since the fees will be deducted from the output + group.SetFees(CFeeRate(0) /* effective_feerate */, long_term_feerate); + } else { + group.SetFees(coin_selection_params.effective_fee, long_term_feerate); } - if (group.effective_value > 0) utxo_pool.push_back(group); + + OutputGroup pos_group = group.GetPositiveOnlyGroup(); + if (pos_group.effective_value > 0) utxo_pool.push_back(pos_group); } // Calculate the fees for things that aren't inputs CAmount not_input_fees = coin_selection_params.effective_fee.GetFee(coin_selection_params.tx_noinputs_size); @@ -2689,7 +2677,14 @@ OutputType CWallet::TransactionChangeType(const Optional<OutputType>& change_typ return m_default_address_type; } -bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransactionRef& tx, CAmount& nFeeRet, int& nChangePosInOut, bilingual_str& error, const CCoinControl& coin_control, bool sign) +bool CWallet::CreateTransactionInternal( + const std::vector<CRecipient>& vecSend, + CTransactionRef& tx, + CAmount& nFeeRet, + int& nChangePosInOut, + bilingual_str& error, + const CCoinControl& coin_control, + bool sign) { CAmount nValue = 0; const OutputType change_type = TransactionChangeType(coin_control.m_change_type ? *coin_control.m_change_type : m_default_change_type, vecSend); @@ -3044,6 +3039,39 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransac return true; } +bool CWallet::CreateTransaction( + const std::vector<CRecipient>& vecSend, + CTransactionRef& tx, + CAmount& nFeeRet, + int& nChangePosInOut, + bilingual_str& error, + const CCoinControl& coin_control, + bool sign) +{ + int nChangePosIn = nChangePosInOut; + CTransactionRef tx2 = tx; + bool res = CreateTransactionInternal(vecSend, tx, nFeeRet, nChangePosInOut, error, coin_control, sign); + // try with avoidpartialspends unless it's enabled already + if (res && nFeeRet > 0 /* 0 means non-functional fee rate estimation */ && m_max_aps_fee > -1 && !coin_control.m_avoid_partial_spends) { + CCoinControl tmp_cc = coin_control; + tmp_cc.m_avoid_partial_spends = true; + CAmount nFeeRet2; + int nChangePosInOut2 = nChangePosIn; + bilingual_str error2; // fired and forgotten; if an error occurs, we discard the results + if (CreateTransactionInternal(vecSend, tx2, nFeeRet2, nChangePosInOut2, error2, tmp_cc, sign)) { + // if fee of this alternative one is within the range of the max fee, we use this one + const bool use_aps = nFeeRet2 <= nFeeRet + m_max_aps_fee; + WalletLogPrintf("Fee non-grouped = %lld, grouped = %lld, using %s\n", nFeeRet, nFeeRet2, use_aps ? "grouped" : "non-grouped"); + if (use_aps) { + tx = tx2; + nFeeRet = nFeeRet2; + nChangePosInOut = nChangePosInOut2; + } + } + } + return res; +} + void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm) { LOCK(cs_wallet); @@ -3861,6 +3889,22 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain, walletInstance->m_min_fee = CFeeRate(n); } + if (gArgs.IsArgSet("-maxapsfee")) { + const std::string max_aps_fee{gArgs.GetArg("-maxapsfee", "")}; + CAmount n = 0; + if (max_aps_fee == "-1") { + n = -1; + } else if (!ParseMoney(max_aps_fee, n)) { + error = AmountErrMsg("maxapsfee", max_aps_fee); + return nullptr; + } + if (n > HIGH_APS_FEE) { + warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") + + _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection.")); + } + walletInstance->m_max_aps_fee = n; + } + if (gArgs.IsArgSet("-fallbackfee")) { CAmount nFeePerK = 0; if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK)) { |