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wallet2: reuse fake outs when adjusting fee on transfer

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This avoids indirectly leaking the real output to the daemon,
and is faster.

This will still happen for more complex cases, especially
when cancelling a tx and "re-rolling" it.
This commit is contained in:
moneromooo-monero 2017-01-07 16:06:07 +00:00
parent 64da0983d5
commit d86ae2bec6
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
3 changed files with 55 additions and 23 deletions
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66
src/wallet/wallet2.cpp
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@ -3400,8 +3400,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<crypto
} }
} }
template<typename entry> void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count)
void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count)
{ {
LOG_PRINT_L2("fake_outputs_count: " << fake_outputs_count); LOG_PRINT_L2("fake_outputs_count: " << fake_outputs_count);
outs.clear(); outs.clear();
@ -3492,6 +3491,7 @@ void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<si
uint64_t num_found = 1; uint64_t num_found = 1;
seen_indices.emplace(td.m_global_output_index); seen_indices.emplace(td.m_global_output_index);
req.outputs.push_back({amount, td.m_global_output_index}); req.outputs.push_back({amount, td.m_global_output_index});
LOG_PRINT_L1("Selecting real output: " << td.m_global_output_index << " for " << print_money(amount));
// while we still need more mixins // while we still need more mixins
while (num_found < requested_outputs_count) while (num_found < requested_outputs_count)
@ -3563,7 +3563,7 @@ void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<si
{ {
const transfer_details &td = m_transfers[idx]; const transfer_details &td = m_transfers[idx];
size_t requested_outputs_count = base_requested_outputs_count + (td.is_rct() ? CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW - CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE : 0); size_t requested_outputs_count = base_requested_outputs_count + (td.is_rct() ? CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW - CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE : 0);
outs.push_back(std::vector<entry>()); outs.push_back(std::vector<get_outs_entry>());
outs.back().reserve(fake_outputs_count + 1); outs.back().reserve(fake_outputs_count + 1);
const rct::key mask = td.is_rct() ? rct::commit(td.amount(), td.m_mask) : rct::zeroCommit(td.amount()); const rct::key mask = td.is_rct() ? rct::commit(td.amount(), td.m_mask) : rct::zeroCommit(td.amount());
@ -3616,7 +3616,7 @@ void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<si
else else
{ {
// sort the subsection, so any spares are reset in order // sort the subsection, so any spares are reset in order
std::sort(outs.back().begin(), outs.back().end(), [](const entry &a, const entry &b) { return std::get<0>(a) < std::get<0>(b); }); std::sort(outs.back().begin(), outs.back().end(), [](const get_outs_entry &a, const get_outs_entry &b) { return std::get<0>(a) < std::get<0>(b); });
} }
base += requested_outputs_count; base += requested_outputs_count;
} }
@ -3627,7 +3627,7 @@ void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<si
for (size_t idx: selected_transfers) for (size_t idx: selected_transfers)
{ {
const transfer_details &td = m_transfers[idx]; const transfer_details &td = m_transfers[idx];
std::vector<entry> v; std::vector<get_outs_entry> v;
const rct::key mask = td.is_rct() ? rct::commit(td.amount(), td.m_mask) : rct::zeroCommit(td.amount()); const rct::key mask = td.is_rct() ? rct::commit(td.amount(), td.m_mask) : rct::zeroCommit(td.amount());
v.push_back(std::make_tuple(td.m_global_output_index, boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key, mask)); v.push_back(std::make_tuple(td.m_global_output_index, boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key, mask));
outs.push_back(v); outs.push_back(v);
@ -3636,7 +3636,8 @@ void wallet2::get_outs(std::vector<std::vector<entry>> &outs, const std::list<si
} }
template<typename T> template<typename T>
void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_entry>& dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count, void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_entry>& dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count,
std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs,
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction& tx, pending_tx &ptx) uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction& tx, pending_tx &ptx)
{ {
using namespace cryptonote; using namespace cryptonote;
@ -3666,11 +3667,11 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
LOG_PRINT_L2("wanted " << print_money(needed_money) << ", found " << print_money(found_money) << ", fee " << print_money(fee)); LOG_PRINT_L2("wanted " << print_money(needed_money) << ", found " << print_money(found_money) << ", fee " << print_money(fee));
THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee); THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee);
typedef std::tuple<uint64_t, crypto::public_key, rct::key> entry; if (outs.empty())
std::vector<std::vector<entry>> outs; get_outs(outs, selected_transfers, fake_outputs_count); // may throw
get_outs(outs, selected_transfers, fake_outputs_count); // may throw
//prepare inputs //prepare inputs
LOG_PRINT_L2("preparing outputs");
typedef cryptonote::tx_source_entry::output_entry tx_output_entry; typedef cryptonote::tx_source_entry::output_entry tx_output_entry;
size_t i = 0, out_index = 0; size_t i = 0, out_index = 0;
std::vector<cryptonote::tx_source_entry> sources; std::vector<cryptonote::tx_source_entry> sources;
@ -3713,6 +3714,7 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
detail::print_source_entry(src); detail::print_source_entry(src);
++out_index; ++out_index;
} }
LOG_PRINT_L2("outputs prepared");
cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts); cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts);
if (needed_money < found_money) if (needed_money < found_money)
@ -3735,7 +3737,9 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
} }
crypto::secret_key tx_key; crypto::secret_key tx_key;
LOG_PRINT_L2("constructing tx");
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key); bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
LOG_PRINT_L2("constructed tx, r="<<r);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet); THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet);
THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit); THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit);
@ -3771,9 +3775,11 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
ptx.construction_data.unlock_time = unlock_time; ptx.construction_data.unlock_time = unlock_time;
ptx.construction_data.use_rct = false; ptx.construction_data.use_rct = false;
ptx.construction_data.dests = dsts; ptx.construction_data.dests = dsts;
LOG_PRINT_L2("transfer_selected done");
} }
void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry> dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count, void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry> dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count,
std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs,
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx) uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx)
{ {
using namespace cryptonote; using namespace cryptonote;
@ -3782,7 +3788,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
uint64_t upper_transaction_size_limit = get_upper_tranaction_size_limit(); uint64_t upper_transaction_size_limit = get_upper_tranaction_size_limit();
uint64_t needed_money = fee; uint64_t needed_money = fee;
LOG_PRINT_L2("transfer: starting with fee " << print_money (needed_money)); LOG_PRINT_L2("transfer_selected_rct: starting with fee " << print_money (needed_money));
LOG_PRINT_L0("selected transfers: "); LOG_PRINT_L0("selected transfers: ");
for (auto t: selected_transfers) for (auto t: selected_transfers)
LOG_PRINT_L2(" " << t); LOG_PRINT_L2(" " << t);
@ -3806,11 +3812,11 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
LOG_PRINT_L2("wanted " << print_money(needed_money) << ", found " << print_money(found_money) << ", fee " << print_money(fee)); LOG_PRINT_L2("wanted " << print_money(needed_money) << ", found " << print_money(found_money) << ", fee " << print_money(fee));
THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee); THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee);
typedef std::tuple<uint64_t, crypto::public_key, rct::key> entry; if (outs.empty())
std::vector<std::vector<entry>> outs; get_outs(outs, selected_transfers, fake_outputs_count); // may throw
get_outs(outs, selected_transfers, fake_outputs_count); // may throw
//prepare inputs //prepare inputs
LOG_PRINT_L2("preparing outputs");
size_t i = 0, out_index = 0; size_t i = 0, out_index = 0;
std::vector<cryptonote::tx_source_entry> sources; std::vector<cryptonote::tx_source_entry> sources;
BOOST_FOREACH(size_t idx, selected_transfers) BOOST_FOREACH(size_t idx, selected_transfers)
@ -3853,6 +3859,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
detail::print_source_entry(src); detail::print_source_entry(src);
++out_index; ++out_index;
} }
LOG_PRINT_L2("outputs prepared");
// we still keep a copy, since we want to keep dsts free of change for user feedback purposes // we still keep a copy, since we want to keep dsts free of change for user feedback purposes
std::vector<cryptonote::tx_destination_entry> splitted_dsts = dsts; std::vector<cryptonote::tx_destination_entry> splitted_dsts = dsts;
@ -3864,9 +3871,11 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
// the sender with a 0 amount output. We send a 0 amount in order to avoid // the sender with a 0 amount output. We send a 0 amount in order to avoid
// letting the destination be able to work out which of the inputs is the // letting the destination be able to work out which of the inputs is the
// real one in our rings // real one in our rings
LOG_PRINT_L2("generating dummy address for 0 change");
cryptonote::account_base dummy; cryptonote::account_base dummy;
dummy.generate(); dummy.generate();
change_dts.addr = dummy.get_keys().m_account_address; change_dts.addr = dummy.get_keys().m_account_address;
LOG_PRINT_L2("generated dummy address for 0 change");
} }
else else
{ {
@ -3875,10 +3884,13 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
splitted_dsts.push_back(change_dts); splitted_dsts.push_back(change_dts);
crypto::secret_key tx_key; crypto::secret_key tx_key;
LOG_PRINT_L2("constructing tx");
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key, true); bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key, true);
LOG_PRINT_L2("constructed tx, r="<<r);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, dsts, unlock_time, m_testnet); THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, dsts, unlock_time, m_testnet);
THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit); THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit);
LOG_PRINT_L2("gathering key images");
std::string key_images; std::string key_images;
bool all_are_txin_to_key = std::all_of(tx.vin.begin(), tx.vin.end(), [&](const txin_v& s_e) -> bool bool all_are_txin_to_key = std::all_of(tx.vin.begin(), tx.vin.end(), [&](const txin_v& s_e) -> bool
{ {
@ -3887,6 +3899,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
return true; return true;
}); });
THROW_WALLET_EXCEPTION_IF(!all_are_txin_to_key, error::unexpected_txin_type, tx); THROW_WALLET_EXCEPTION_IF(!all_are_txin_to_key, error::unexpected_txin_type, tx);
LOG_PRINT_L2("gathered key images");
ptx.key_images = key_images; ptx.key_images = key_images;
ptx.fee = fee; ptx.fee = fee;
@ -3905,6 +3918,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
ptx.construction_data.unlock_time = unlock_time; ptx.construction_data.unlock_time = unlock_time;
ptx.construction_data.use_rct = true; ptx.construction_data.use_rct = true;
ptx.construction_data.dests = dsts; ptx.construction_data.dests = dsts;
LOG_PRINT_L2("transfer_selected_rct done");
} }
static size_t estimate_rct_tx_size(int n_inputs, int mixin, int n_outputs) static size_t estimate_rct_tx_size(int n_inputs, int mixin, int n_outputs)
@ -4106,12 +4120,14 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
accumulated_change = 0; accumulated_change = 0;
adding_fee = false; adding_fee = false;
needed_fee = 0; needed_fee = 0;
std::vector<std::vector<tools::wallet2::get_outs_entry>> outs;
// for rct, since we don't see the amounts, we will try to make all transactions // for rct, since we don't see the amounts, we will try to make all transactions
// look the same, with 1 or 2 inputs, and 2 outputs. One input is preferable, as // look the same, with 1 or 2 inputs, and 2 outputs. One input is preferable, as
// this prevents linking to another by provenance analysis, but two is ok if we // this prevents linking to another by provenance analysis, but two is ok if we
// try to pick outputs not from the same block. We will get two outputs, one for // try to pick outputs not from the same block. We will get two outputs, one for
// the destination, and one for change. // the destination, and one for change.
LOG_PRINT_L2("checking preferred");
std::vector<size_t> prefered_inputs; std::vector<size_t> prefered_inputs;
uint64_t rct_outs_needed = 2 * (fake_outs_count + 1); uint64_t rct_outs_needed = 2 * (fake_outs_count + 1);
rct_outs_needed += 100; // some fudge factor since we don't know how many are locked rct_outs_needed += 100; // some fudge factor since we don't know how many are locked
@ -4128,6 +4144,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
LOG_PRINT_L1("Found prefered rct inputs for rct tx: " << s); LOG_PRINT_L1("Found prefered rct inputs for rct tx: " << s);
} }
} }
LOG_PRINT_L2("done checking preferred");
// while: // while:
// - we have something to send // - we have something to send
@ -4161,6 +4178,9 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
uint64_t available_amount = td.amount(); uint64_t available_amount = td.amount();
accumulated_outputs += available_amount; accumulated_outputs += available_amount;
// clear any fake outs we'd already gathered, since we'll need a new set
outs.clear();
if (adding_fee) if (adding_fee)
{ {
LOG_PRINT_L2("We need more fee, adding it to fee"); LOG_PRINT_L2("We need more fee, adding it to fee");
@ -4217,10 +4237,10 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
LOG_PRINT_L2("Trying to create a tx now, with " << tx.dsts.size() << " destinations and " << LOG_PRINT_L2("Trying to create a tx now, with " << tx.dsts.size() << " destinations and " <<
tx.selected_transfers.size() << " outputs"); tx.selected_transfers.size() << " outputs");
if (use_rct) if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx); test_tx, test_ptx);
else else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
auto txBlob = t_serializable_object_to_blob(test_ptx.tx); auto txBlob = t_serializable_object_to_blob(test_ptx.tx);
needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier);
@ -4260,10 +4280,10 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
LOG_PRINT_L2("We made a tx, adjusting fee and saving it"); LOG_PRINT_L2("We made a tx, adjusting fee and saving it");
do { do {
if (use_rct) if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx); test_tx, test_ptx);
else else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
txBlob = t_serializable_object_to_blob(test_ptx.tx); txBlob = t_serializable_object_to_blob(test_ptx.tx);
needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier);
@ -4351,6 +4371,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
std::vector<TX> txes; std::vector<TX> txes;
uint64_t needed_fee, available_for_fee = 0; uint64_t needed_fee, available_for_fee = 0;
uint64_t upper_transaction_size_limit = get_upper_tranaction_size_limit(); uint64_t upper_transaction_size_limit = get_upper_tranaction_size_limit();
std::vector<std::vector<get_outs_entry>> outs;
const bool use_rct = fake_outs_count > 0 && use_fork_rules(4, 0); const bool use_rct = fake_outs_count > 0 && use_fork_rules(4, 0);
const bool use_new_fee = use_fork_rules(3, -720 * 14); const bool use_new_fee = use_fork_rules(3, -720 * 14);
@ -4386,6 +4407,9 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
uint64_t available_amount = td.amount(); uint64_t available_amount = td.amount();
accumulated_outputs += available_amount; accumulated_outputs += available_amount;
// clear any fake outs we'd already gathered, since we'll need a new set
outs.clear();
// here, check if we need to sent tx and start a new one // here, check if we need to sent tx and start a new one
LOG_PRINT_L2("Considering whether to create a tx now, " << tx.selected_transfers.size() << " inputs, tx limit " LOG_PRINT_L2("Considering whether to create a tx now, " << tx.selected_transfers.size() << " inputs, tx limit "
<< upper_transaction_size_limit); << upper_transaction_size_limit);
@ -4407,10 +4431,10 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
LOG_PRINT_L2("Trying to create a tx now, with " << tx.dsts.size() << " destinations and " << LOG_PRINT_L2("Trying to create a tx now, with " << tx.dsts.size() << " destinations and " <<
tx.selected_transfers.size() << " outputs"); tx.selected_transfers.size() << " outputs");
if (use_rct) if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx); test_tx, test_ptx);
else else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
auto txBlob = t_serializable_object_to_blob(test_ptx.tx); auto txBlob = t_serializable_object_to_blob(test_ptx.tx);
needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier);
@ -4424,10 +4448,10 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
LOG_PRINT_L2("We made a tx, adjusting fee and saving it"); LOG_PRINT_L2("We made a tx, adjusting fee and saving it");
tx.dsts[0].amount = available_for_fee - needed_fee; tx.dsts[0].amount = available_for_fee - needed_fee;
if (use_rct) if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx); test_tx, test_ptx);
else else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, unlock_time, needed_fee, extra, transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
txBlob = t_serializable_object_to_blob(test_ptx.tx); txBlob = t_serializable_object_to_blob(test_ptx.tx);
needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier);

7
src/wallet/wallet2.h
View File

@ -275,6 +275,8 @@ namespace tools
std::string m_description; std::string m_description;
}; };
typedef std::tuple<uint64_t, crypto::public_key, rct::key> get_outs_entry;
/*! /*!
* \brief Generates a wallet or restores one. * \brief Generates a wallet or restores one.
* \param wallet_ Name of wallet file * \param wallet_ Name of wallet file
@ -387,8 +389,10 @@ namespace tools
void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, const size_t fake_outputs_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); void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, const size_t fake_outputs_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);
template<typename T> template<typename T>
void transfer_selected(const std::vector<cryptonote::tx_destination_entry>& dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count, void transfer_selected(const std::vector<cryptonote::tx_destination_entry>& dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count,
std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs,
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction& tx, pending_tx &ptx); uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction& tx, pending_tx &ptx);
void transfer_selected_rct(std::vector<cryptonote::tx_destination_entry> dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count, void transfer_selected_rct(std::vector<cryptonote::tx_destination_entry> dsts, const std::list<size_t> selected_transfers, size_t fake_outputs_count,
std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs,
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx); uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx);
void commit_tx(pending_tx& ptx_vector); void commit_tx(pending_tx& ptx_vector);
@ -607,8 +611,7 @@ namespace tools
std::vector<size_t> pick_preferred_rct_inputs(uint64_t needed_money) const; std::vector<size_t> pick_preferred_rct_inputs(uint64_t needed_money) const;
void set_spent(size_t idx, uint64_t height); void set_spent(size_t idx, uint64_t height);
void set_unspent(size_t idx); void set_unspent(size_t idx);
template<typename entry> void get_outs(std::vector<std::vector<get_outs_entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count);
void get_outs(std::vector<std::vector<entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count);
bool wallet_generate_key_image_helper(const cryptonote::account_keys& ack, const crypto::public_key& tx_public_key, size_t real_output_index, cryptonote::keypair& in_ephemeral, crypto::key_image& ki); bool wallet_generate_key_image_helper(const cryptonote::account_keys& ack, const crypto::public_key& tx_public_key, size_t real_output_index, cryptonote::keypair& in_ephemeral, crypto::key_image& ki);
crypto::public_key get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const; crypto::public_key get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const;

5
src/wallet/wallet_rpc_server.cpp
View File

@ -396,6 +396,7 @@ namespace tools
std::vector<cryptonote::tx_destination_entry> dsts; std::vector<cryptonote::tx_destination_entry> dsts;
std::vector<uint8_t> extra; std::vector<uint8_t> extra;
LOG_PRINT_L3("on_transfer_split starts");
if (m_wallet.restricted()) if (m_wallet.restricted())
{ {
er.code = WALLET_RPC_ERROR_CODE_DENIED; er.code = WALLET_RPC_ERROR_CODE_DENIED;
@ -485,9 +486,13 @@ namespace tools
mixin = 2; mixin = 2;
} }
std::vector<wallet2::pending_tx> ptx_vector; std::vector<wallet2::pending_tx> ptx_vector;
LOG_PRINT_L2("on_transfer_split calling create_transactions_2");
ptx_vector = m_wallet.create_transactions_2(dsts, mixin, req.unlock_time, req.priority, extra, req.trusted_daemon); ptx_vector = m_wallet.create_transactions_2(dsts, mixin, req.unlock_time, req.priority, extra, req.trusted_daemon);
LOG_PRINT_L2("on_transfer_split called create_transactions_2");
LOG_PRINT_L2("on_transfer_split calling commit_txyy");
m_wallet.commit_tx(ptx_vector); m_wallet.commit_tx(ptx_vector);
LOG_PRINT_L2("on_transfer_split called commit_txyy");
// populate response with tx hashes // populate response with tx hashes
for (auto & ptx : ptx_vector) for (auto & ptx : ptx_vector)