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Allow fractional outputs to be ignored

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This commit is contained in:
stoffu
2018-06-28 11:31:50 +09:00
parent a9b83f5a6e
commit d6d78f157b
4 changed files with 38 additions and 0 deletions
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src/wallet/wallet2.cpp
+19
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@@ -676,6 +676,7 @@ wallet2::wallet2(network_type nettype, bool restricted):
m_segregate_pre_fork_outputs(true),
m_key_reuse_mitigation2(true),
m_segregation_height(0),
m_ignore_fractional_outputs(true),
m_is_initialized(false),
m_restricted(restricted),
is_old_file_format(false),
@@ -2782,6 +2783,9 @@ bool wallet2::store_keys(const std::string& keys_file_name, const epee::wipeable
value2.SetUint(m_segregation_height);
json.AddMember("segregation_height", value2, json.GetAllocator());
value2.SetInt(m_ignore_fractional_outputs ? 1 : 0);
json.AddMember("ignore_fractional_outputs", value2, json.GetAllocator());
value2.SetUint(m_subaddress_lookahead_major);
json.AddMember("subaddress_lookahead_major", value2, json.GetAllocator());
@@ -2864,6 +2868,7 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
m_segregate_pre_fork_outputs = true;
m_key_reuse_mitigation2 = true;
m_segregation_height = 0;
m_ignore_fractional_outputs = true;
m_subaddress_lookahead_major = SUBADDRESS_LOOKAHEAD_MAJOR;
m_subaddress_lookahead_minor = SUBADDRESS_LOOKAHEAD_MINOR;
m_key_on_device = false;
@@ -2990,6 +2995,8 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
m_key_reuse_mitigation2 = field_key_reuse_mitigation2;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, segregation_height, int, Uint, false, 0);
m_segregation_height = field_segregation_height;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, ignore_fractional_outputs, int, Int, false, true);
m_ignore_fractional_outputs = field_ignore_fractional_outputs;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, subaddress_lookahead_major, uint32_t, Uint, false, SUBADDRESS_LOOKAHEAD_MAJOR);
m_subaddress_lookahead_major = field_subaddress_lookahead_major;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, subaddress_lookahead_minor, uint32_t, Uint, false, SUBADDRESS_LOOKAHEAD_MINOR);
@@ -7673,12 +7680,24 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
for (uint32_t i : subaddr_indices)
LOG_PRINT_L2("Candidate subaddress index for spending: " << i);
// determine threshold for fractional amount
const size_t tx_size_one_ring = estimate_tx_size(use_rct, 1, fake_outs_count, 2, 0, bulletproof);
const size_t tx_size_two_rings = estimate_tx_size(use_rct, 2, fake_outs_count, 2, 0, bulletproof);
THROW_WALLET_EXCEPTION_IF(tx_size_one_ring > tx_size_two_rings, error::wallet_internal_error, "Estimated tx size with 1 input is larger than with 2 inputs!");
const size_t tx_size_per_ring = tx_size_two_rings - tx_size_one_ring;
const uint64_t fractional_threshold = (fee_multiplier * fee_per_kb * tx_size_per_ring) / 1024;
// gather all dust and non-dust outputs belonging to specified subaddresses
size_t num_nondust_outputs = 0;
size_t num_dust_outputs = 0;
for (size_t i = 0; i < m_transfers.size(); ++i)
{
const transfer_details& td = m_transfers[i];
if (m_ignore_fractional_outputs && td.amount() < fractional_threshold)
{
MDEBUG("Ignoring output " << i << " of amount " << print_money(td.amount()) << " which is below threshold " << print_money(fractional_threshold));
continue;
}
if (!td.m_spent && !td.m_key_image_partial && (use_rct ? true : !td.is_rct()) && is_transfer_unlocked(td) && td.m_subaddr_index.major == subaddr_account && subaddr_indices.count(td.m_subaddr_index.minor) == 1)
{
const uint32_t index_minor = td.m_subaddr_index.minor;