diff options
Diffstat (limited to 'src/wallet/coinselection.cpp')
-rw-r--r-- | src/wallet/coinselection.cpp | 66 |
1 files changed, 19 insertions, 47 deletions
diff --git a/src/wallet/coinselection.cpp b/src/wallet/coinselection.cpp index a2dea84d17..10f89e3a6f 100644 --- a/src/wallet/coinselection.cpp +++ b/src/wallet/coinselection.cpp @@ -300,8 +300,26 @@ bool KnapsackSolver(const CAmount& nTargetValue, std::vector<OutputGroup>& group ******************************************************************************/ -void OutputGroup::Insert(const CInputCoin& output, int depth, bool from_me, size_t ancestors, size_t descendants) { +void OutputGroup::Insert(const CInputCoin& output, int depth, bool from_me, size_t ancestors, size_t descendants, bool positive_only) { + // Compute the effective value first + const CAmount coin_fee = output.m_input_bytes < 0 ? 0 : m_effective_feerate.GetFee(output.m_input_bytes); + const CAmount ev = output.txout.nValue - coin_fee; + + // Filter for positive only here before adding the coin + if (positive_only && ev <= 0) return; + m_outputs.push_back(output); + CInputCoin& coin = m_outputs.back(); + + coin.m_fee = coin_fee; + fee += coin.m_fee; + + coin.m_long_term_fee = coin.m_input_bytes < 0 ? 0 : m_long_term_feerate.GetFee(coin.m_input_bytes); + long_term_fee += coin.m_long_term_fee; + + coin.effective_value = ev; + effective_value += coin.effective_value; + m_from_me &= from_me; m_value += output.txout.nValue; m_depth = std::min(m_depth, depth); @@ -312,20 +330,6 @@ void OutputGroup::Insert(const CInputCoin& output, int depth, bool from_me, size // descendants is the count as seen from the top ancestor, not the descendants as seen from the // coin itself; thus, this value is counted as the max, not the sum m_descendants = std::max(m_descendants, descendants); - effective_value += output.effective_value; - fee += output.m_fee; - long_term_fee += output.m_long_term_fee; -} - -std::vector<CInputCoin>::iterator OutputGroup::Discard(const CInputCoin& output) { - auto it = m_outputs.begin(); - while (it != m_outputs.end() && it->outpoint != output.outpoint) ++it; - if (it == m_outputs.end()) return it; - m_value -= output.txout.nValue; - effective_value -= output.effective_value; - fee -= output.m_fee; - long_term_fee -= output.m_long_term_fee; - return m_outputs.erase(it); } bool OutputGroup::EligibleForSpending(const CoinEligibilityFilter& eligibility_filter) const @@ -334,35 +338,3 @@ bool OutputGroup::EligibleForSpending(const CoinEligibilityFilter& eligibility_f && m_ancestors <= eligibility_filter.max_ancestors && m_descendants <= eligibility_filter.max_descendants; } - -void OutputGroup::SetFees(const CFeeRate effective_feerate, const CFeeRate long_term_feerate) -{ - fee = 0; - long_term_fee = 0; - effective_value = 0; - for (CInputCoin& coin : m_outputs) { - coin.m_fee = coin.m_input_bytes < 0 ? 0 : effective_feerate.GetFee(coin.m_input_bytes); - fee += coin.m_fee; - - coin.m_long_term_fee = coin.m_input_bytes < 0 ? 0 : long_term_feerate.GetFee(coin.m_input_bytes); - long_term_fee += coin.m_long_term_fee; - - coin.effective_value = coin.txout.nValue - coin.m_fee; - effective_value += coin.effective_value; - } -} - -OutputGroup OutputGroup::GetPositiveOnlyGroup() -{ - OutputGroup group(*this); - for (auto it = group.m_outputs.begin(); it != group.m_outputs.end(); ) { - const CInputCoin& coin = *it; - // Only include outputs that are positive effective value (i.e. not dust) - if (coin.effective_value <= 0) { - it = group.Discard(coin); - } else { - ++it; - } - } - return group; -} |