diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
-rw-r--r-- | src/wallet/wallet2.cpp | 89 |
1 files changed, 36 insertions, 53 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index cdd472528..5de300ecf 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -1749,47 +1749,12 @@ namespace // returns: // direct return: amount of money found // modified reference: selected_transfers, a list of iterators/indices of input sources -uint64_t wallet2::select_transfers(uint64_t needed_money, bool add_dust, uint64_t dust, bool hf2_rules, std::list<transfer_container::iterator>& selected_transfers) +uint64_t wallet2::select_transfers(uint64_t needed_money, std::vector<size_t> unused_transfers_indices, std::list<transfer_container::iterator>& selected_transfers, bool trusted_daemon) { - std::vector<size_t> unused_transfers_indices; - std::vector<size_t> unused_dust_indices; - - // aggregate sources available for transfers - // if dust needed, take dust from only one source (so require source has at least dust amount) - for (size_t i = 0; i < m_transfers.size(); ++i) - { - const transfer_details& td = m_transfers[i]; - if (!td.m_spent && is_transfer_unlocked(td)) - { - if (dust < td.amount() && is_valid_decomposed_amount(td.amount())) - unused_transfers_indices.push_back(i); - else - { - // for hf2 rules, we disregard dust, which will be spendable only - // via sweep_dust. If we're asked to add dust, though, we still - // consider them, as this will be a mixin 0 tx (and thus we may - // end up with a tx with one mixable output and N dusty ones). - // This should be made better at some point... - if (!hf2_rules || add_dust) - unused_dust_indices.push_back(i); - } - } - } - - bool select_one_dust = add_dust && !unused_dust_indices.empty(); uint64_t found_money = 0; - while (found_money < needed_money && (!unused_transfers_indices.empty() || !unused_dust_indices.empty())) + while (found_money < needed_money && !unused_transfers_indices.empty()) { - size_t idx; - if (select_one_dust) - { - idx = pop_random_value(unused_dust_indices); - select_one_dust = false; - } - else - { - idx = !unused_transfers_indices.empty() ? pop_random_value(unused_transfers_indices) : pop_random_value(unused_dust_indices); - } + size_t idx = pop_random_value(unused_transfers_indices); transfer_container::iterator it = m_transfers.begin() + idx; selected_transfers.push_back(it); @@ -1811,18 +1776,18 @@ void wallet2::add_unconfirmed_tx(const cryptonote::transaction& tx, const std::v } //---------------------------------------------------------------------------------------------------- -void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, - uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx& ptx) +void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, const size_t fake_outs_count, const std::vector<size_t> &unused_transfers_indices, + uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx& ptx, bool trusted_daemon) { - transfer(dsts, fake_outputs_count, unlock_time, fee, extra, detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), tx, ptx); + transfer(dsts, fake_outs_count, unused_transfers_indices, unlock_time, fee, extra, detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), tx, ptx, trusted_daemon); } //---------------------------------------------------------------------------------------------------- -void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, - uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra) +void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, const size_t fake_outs_count, const std::vector<size_t> &unused_transfers_indices, + uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, bool trusted_daemon) { cryptonote::transaction tx; pending_tx ptx; - transfer(dsts, fake_outputs_count, unlock_time, fee, extra, tx, ptx); + transfer(dsts, fake_outs_count, unused_transfers_indices, unlock_time, fee, extra, tx, ptx, trusted_daemon); } namespace { @@ -2020,8 +1985,9 @@ void wallet2::commit_tx(std::vector<pending_tx>& ptx_vector) // // this function will make multiple calls to wallet2::transfer if multiple // transactions will be required -std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra) +std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra, bool trusted_daemon) { + const std::vector<size_t> unused_transfers_indices = select_available_outputs_from_histogram(fake_outs_count + 1, true, trusted_daemon); // failsafe split attempt counter size_t attempt_count = 0; @@ -2051,7 +2017,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<crypto uint64_t needed_fee = 0; do { - transfer(dst_vector, fake_outs_count, unlock_time, needed_fee, extra, tx, ptx); + transfer(dst_vector, fake_outs_count, unused_transfers_indices, unlock_time, needed_fee, extra, tx, ptx, trusted_daemon); auto txBlob = t_serializable_object_to_blob(ptx.tx); needed_fee = calculate_fee(txBlob); } while (ptx.fee < needed_fee); @@ -2284,7 +2250,7 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent // This system allows for sending (almost) the entire balance, since it does // not generate spurious change in all txes, thus decreasing the instantaneous // usable balance. -std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra) +std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra, bool trusted_daemon) { std::vector<size_t> unused_transfers_indices; std::vector<size_t> unused_dust_indices; @@ -2704,9 +2670,8 @@ std::vector<uint64_t> wallet2::get_unspent_amounts_vector() return vector; } //---------------------------------------------------------------------------------------------------- -std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_daemon) +std::vector<size_t> wallet2::select_available_outputs_from_histogram(uint64_t count, bool atleast, bool trusted_daemon) { - // request all outputs with at least 3 instances, so we can use mixin 2 with epee::json_rpc::request<cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request> req_t = AUTO_VAL_INIT(req_t); epee::json_rpc::response<cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::response, std::string> resp_t = AUTO_VAL_INIT(resp_t); m_daemon_rpc_mutex.lock(); @@ -2715,7 +2680,7 @@ std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_dae req_t.method = "get_output_histogram"; if (trusted_daemon) req_t.params.amounts = get_unspent_amounts_vector(); - req_t.params.min_count = 3; + req_t.params.min_count = count; req_t.params.max_count = 0; bool r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/json_rpc", req_t, resp_t, m_http_client); m_daemon_rpc_mutex.unlock(); @@ -2729,14 +2694,32 @@ std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_dae mixable.insert(i.amount); } - return select_available_outputs([mixable](const transfer_details &td) { + return select_available_outputs([mixable, atleast](const transfer_details &td) { const uint64_t amount = td.amount(); - if (mixable.find(amount) == mixable.end()) - return true; + if (atleast) { + if (mixable.find(amount) != mixable.end()) + return true; + } + else { + if (mixable.find(amount) == mixable.end()) + return true; + } return false; }); } //---------------------------------------------------------------------------------------------------- +std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_daemon) +{ + // request all outputs with less than 3 instances + return select_available_outputs_from_histogram(3, false, trusted_daemon); +} +//---------------------------------------------------------------------------------------------------- +std::vector<size_t> wallet2::select_available_mixable_outputs(bool trusted_daemon) +{ + // request all outputs with at least 3 instances, so we can use mixin 2 with + return select_available_outputs_from_histogram(3, true, trusted_daemon); +} +//---------------------------------------------------------------------------------------------------- std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions(bool trusted_daemon) { // From hard fork 1, we don't consider small amounts to be dust anymore |