aboutsummaryrefslogtreecommitdiff
path: root/src/wallet/wallet.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/wallet/wallet.cpp')
-rw-r--r--src/wallet/wallet.cpp102
1 files changed, 64 insertions, 38 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index cee2f2214c..ac03b3ca9c 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);
@@ -2486,23 +2474,6 @@ bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint,
}
// At this point, one input was not fully signed otherwise we would have exited already
- // Find that input and figure out what went wrong.
- for (unsigned int i = 0; i < tx.vin.size(); i++) {
- // Get the prevout
- CTxIn& txin = tx.vin[i];
- auto coin = coins.find(txin.prevout);
- if (coin == coins.end() || coin->second.IsSpent()) {
- input_errors[i] = "Input not found or already spent";
- continue;
- }
-
- // Check if this input is complete
- SignatureData sigdata = DataFromTransaction(tx, i, coin->second.out);
- if (!sigdata.complete) {
- input_errors[i] = "Unable to sign input, missing keys";
- continue;
- }
- }
return false;
}
@@ -2706,7 +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);
@@ -3061,6 +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);
@@ -3878,6 +3889,21 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
walletInstance->m_min_fee = CFeeRate(n);
}
+ if (gArgs.IsArgSet("-maxapsfee")) {
+ CAmount n = 0;
+ if (gArgs.GetArg("-maxapsfee", "") == "-1") {
+ n = -1;
+ } else if (!ParseMoney(gArgs.GetArg("-maxapsfee", ""), n)) {
+ error = AmountErrMsg("maxapsfee", gArgs.GetArg("-maxapsfee", ""));
+ return nullptr;
+ }
+ if (n > HIGH_APS_FEE) {
+ warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
+ _("This is the maximum transaction fee you pay 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)) {