aboutsummaryrefslogtreecommitdiff
path: root/src/wallet
diff options
context:
space:
mode:
Diffstat (limited to 'src/wallet')
-rw-r--r--src/wallet/api/wallet.cpp7
-rw-r--r--src/wallet/api/wallet.h1
-rw-r--r--src/wallet/api/wallet2_api.h1
-rw-r--r--src/wallet/wallet2.cpp85
4 files changed, 80 insertions, 14 deletions
diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp
index 0c43455ab..f019a38a8 100644
--- a/src/wallet/api/wallet.cpp
+++ b/src/wallet/api/wallet.cpp
@@ -839,6 +839,11 @@ bool WalletImpl::setPassword(const std::string &password)
return status() == Status_Ok;
}
+const std::string& WalletImpl::getPassword() const
+{
+ return m_password;
+}
+
bool WalletImpl::setDevicePin(const std::string &pin)
{
clearStatus();
@@ -1178,7 +1183,7 @@ bool WalletImpl::exportKeyImages(const string &filename, bool all)
try
{
- if (!m_wallet->export_key_images(filename), all)
+ if (!m_wallet->export_key_images(filename, all))
{
setStatusError(tr("failed to save file ") + filename);
return false;
diff --git a/src/wallet/api/wallet.h b/src/wallet/api/wallet.h
index 0008e653f..5b78e496e 100644
--- a/src/wallet/api/wallet.h
+++ b/src/wallet/api/wallet.h
@@ -89,6 +89,7 @@ public:
std::string errorString() const override;
void statusWithErrorString(int& status, std::string& errorString) const override;
bool setPassword(const std::string &password) override;
+ const std::string& getPassword() const override;
bool setDevicePin(const std::string &password) override;
bool setDevicePassphrase(const std::string &password) override;
std::string address(uint32_t accountIndex = 0, uint32_t addressIndex = 0) const override;
diff --git a/src/wallet/api/wallet2_api.h b/src/wallet/api/wallet2_api.h
index 73daad4bb..0b8be83d9 100644
--- a/src/wallet/api/wallet2_api.h
+++ b/src/wallet/api/wallet2_api.h
@@ -456,6 +456,7 @@ struct Wallet
//! returns both error and error string atomically. suggested to use in instead of status() and errorString()
virtual void statusWithErrorString(int& status, std::string& errorString) const = 0;
virtual bool setPassword(const std::string &password) = 0;
+ virtual const std::string& getPassword() const = 0;
virtual bool setDevicePin(const std::string &pin) { (void)pin; return false; };
virtual bool setDevicePassphrase(const std::string &passphrase) { (void)passphrase; return false; };
virtual std::string address(uint32_t accountIndex = 0, uint32_t addressIndex = 0) const = 0;
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 116bb5b3f..ef0eb736a 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -142,6 +142,9 @@ using namespace cryptonote;
#define IGNORE_LONG_PAYMENT_ID_FROM_BLOCK_VERSION 12
+#define DEFAULT_UNLOCK_TIME (CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE * DIFFICULTY_TARGET_V2)
+#define RECENT_SPEND_WINDOW (50 * DIFFICULTY_TARGET_V2)
+
static const std::string MULTISIG_SIGNATURE_MAGIC = "SigMultisigPkV1";
static const std::string MULTISIG_EXTRA_INFO_MAGIC = "MultisigxV1";
@@ -1037,6 +1040,34 @@ uint64_t gamma_picker::pick()
{
double x = gamma(engine);
x = exp(x);
+
+ if (x > DEFAULT_UNLOCK_TIME)
+ {
+ // We are trying to select an output from the chain that appeared 'x' seconds before the
+ // current chain tip, where 'x' is selected from the gamma distribution recommended in Miller et al.
+ // (https://arxiv.org/pdf/1704.04299/).
+ // Our method is to get the average time delta between outputs in the recent past, estimate the number of
+ // outputs 'n' that would have appeared between 'chain_tip - x' and 'chain_tip', select the real output at
+ // 'current_num_outputs - n', then randomly select an output from the block where that output appears.
+ // Source code to paper: https://github.com/maltemoeser/moneropaper
+ //
+ // Due to the 'default spendable age' mechanic in Monero, 'current_num_outputs' only contains
+ // currently *unlocked* outputs, which means the earliest output that can be selected is not at the chain tip!
+ // Therefore, we must offset 'x' so it matches up with the timing of the outputs being considered. We do
+ // this by saying if 'x` equals the expected age of the first unlocked output (compared to the current
+ // chain tip - i.e. DEFAULT_UNLOCK_TIME), then select the first unlocked output.
+ x -= DEFAULT_UNLOCK_TIME;
+ }
+ else
+ {
+ // If the spent time suggested by the gamma is less than the unlock time, that means the gamma is suggesting an output
+ // that is no longer feasible to be spent (possible since the gamma was constructed when consensus rules did not enforce the
+ // lock time). The assumption made in this code is that an output expected spent quicker than the unlock time would likely
+ // be spent within RECENT_SPEND_WINDOW after allowed. So it returns an output that falls between 0 and the RECENT_SPEND_WINDOW.
+ // The RECENT_SPEND_WINDOW was determined with empirical analysis of observed data.
+ x = crypto::rand_idx(static_cast<uint64_t>(RECENT_SPEND_WINDOW));
+ }
+
uint64_t output_index = x / average_output_time;
if (output_index >= num_rct_outputs)
return std::numeric_limits<uint64_t>::max(); // bad pick
@@ -1865,7 +1896,7 @@ void wallet2::cache_tx_data(const cryptonote::transaction& tx, const crypto::has
const bool is_miner = tx.vin.size() == 1 && tx.vin[0].type() == typeid(cryptonote::txin_gen);
if (!is_miner || m_refresh_type != RefreshType::RefreshNoCoinbase)
{
- const size_t rec_size = is_miner && m_refresh_type == RefreshType::RefreshOptimizeCoinbase ? 1 : tx.vout.size();
+ const size_t rec_size = (is_miner && m_refresh_type == RefreshType::RefreshOptimizeCoinbase && tx.version < 2) ? 1 : tx.vout.size();
if (!tx.vout.empty())
{
// if tx.vout is not empty, we loop through all tx pubkeys
@@ -2014,7 +2045,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
{
// assume coinbase isn't for us
}
- else if (miner_tx && m_refresh_type == RefreshOptimizeCoinbase)
+ else if (miner_tx && m_refresh_type == RefreshOptimizeCoinbase && tx.version < 2)
{
check_acc_out_precomp_once(tx.vout[0], derivation, additional_derivations, 0, is_out_data_ptr, tx_scan_info[0], output_found[0]);
THROW_WALLET_EXCEPTION_IF(tx_scan_info[0].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
@@ -2741,9 +2772,8 @@ void wallet2::process_parsed_blocks(uint64_t start_height, const std::vector<cry
{
if (tx_cache_data[i].empty())
continue;
- tpool.submit(&waiter, [&hwdev, &gender, &tx_cache_data, i]() {
+ tpool.submit(&waiter, [&gender, &tx_cache_data, i]() {
auto &slot = tx_cache_data[i];
- boost::unique_lock<hw::device> hwdev_lock(hwdev);
for (auto &iod: slot.primary)
gender(iod);
for (auto &iod: slot.additional)
@@ -2786,8 +2816,9 @@ void wallet2::process_parsed_blocks(uint64_t start_height, const std::vector<cry
if (m_refresh_type != RefreshType::RefreshNoCoinbase)
{
THROW_WALLET_EXCEPTION_IF(txidx >= tx_cache_data.size(), error::wallet_internal_error, "txidx out of range");
- const size_t n_vouts = m_refresh_type == RefreshType::RefreshOptimizeCoinbase ? 1 : parsed_blocks[i].block.miner_tx.vout.size();
- tpool.submit(&waiter, [&, i, n_vouts, txidx](){ geniod(parsed_blocks[i].block.miner_tx, n_vouts, txidx); }, true);
+ const cryptonote::transaction& tx = parsed_blocks[i].block.miner_tx;
+ const size_t n_vouts = (m_refresh_type == RefreshType::RefreshOptimizeCoinbase && tx.version < 2) ? 1 : tx.vout.size();
+ tpool.submit(&waiter, [&, i, n_vouts, txidx](){ geniod(tx, n_vouts, txidx); }, true);
}
++txidx;
for (size_t j = 0; j < parsed_blocks[i].txes.size(); ++j)
@@ -9778,13 +9809,18 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
TX() : weight(0), needed_fee(0) {}
- void add(const cryptonote::tx_destination_entry &de, uint64_t amount, unsigned int original_output_index, bool merge_destinations) {
+ /* Add an output to the transaction.
+ * Returns True if the output was added, False if there are no more available output slots.
+ */
+ bool add(const cryptonote::tx_destination_entry &de, uint64_t amount, unsigned int original_output_index, bool merge_destinations, size_t max_dsts) {
if (merge_destinations)
{
std::vector<cryptonote::tx_destination_entry>::iterator i;
i = std::find_if(dsts.begin(), dsts.end(), [&](const cryptonote::tx_destination_entry &d) { return !memcmp (&d.addr, &de.addr, sizeof(de.addr)); });
if (i == dsts.end())
{
+ if (dsts.size() >= max_dsts)
+ return false;
dsts.push_back(de);
i = dsts.end() - 1;
i->amount = 0;
@@ -9797,12 +9833,15 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
std::string("original_output_index too large: ") + std::to_string(original_output_index) + " > " + std::to_string(dsts.size()));
if (original_output_index == dsts.size())
{
+ if (dsts.size() >= max_dsts)
+ return false;
dsts.push_back(de);
dsts.back().amount = 0;
}
THROW_WALLET_EXCEPTION_IF(memcmp(&dsts[original_output_index].addr, &de.addr, sizeof(de.addr)), error::wallet_internal_error, "Mismatched destination address");
dsts[original_output_index].amount += amount;
}
+ return true;
}
};
std::vector<TX> txes;
@@ -10072,6 +10111,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
// clear any fake outs we'd already gathered, since we'll need a new set
outs.clear();
+ bool out_slots_exhausted = false;
if (adding_fee)
{
LOG_PRINT_L2("We need more fee, adding it to fee");
@@ -10084,20 +10124,32 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
// we can fully pay that destination
LOG_PRINT_L2("We can fully pay " << get_account_address_as_str(m_nettype, dsts[0].is_subaddress, dsts[0].addr) <<
" for " << print_money(dsts[0].amount));
- tx.add(dsts[0], dsts[0].amount, original_output_index, m_merge_destinations);
+ if (!tx.add(dsts[0], dsts[0].amount, original_output_index, m_merge_destinations, BULLETPROOF_MAX_OUTPUTS-1))
+ {
+ LOG_PRINT_L2("Didn't pay: ran out of output slots");
+ out_slots_exhausted = true;
+ break;
+ }
available_amount -= dsts[0].amount;
dsts[0].amount = 0;
pop_index(dsts, 0);
++original_output_index;
}
- if (available_amount > 0 && !dsts.empty() && estimate_tx_weight(use_rct, tx.selected_transfers.size(), fake_outs_count, tx.dsts.size()+1, extra.size(), bulletproof, clsag) < TX_WEIGHT_TARGET(upper_transaction_weight_limit)) {
+ if (!out_slots_exhausted && available_amount > 0 && !dsts.empty() && estimate_tx_weight(use_rct, tx.selected_transfers.size(), fake_outs_count, tx.dsts.size()+1, extra.size(), bulletproof, clsag) < TX_WEIGHT_TARGET(upper_transaction_weight_limit)) {
// we can partially fill that destination
LOG_PRINT_L2("We can partially pay " << get_account_address_as_str(m_nettype, dsts[0].is_subaddress, dsts[0].addr) <<
" for " << print_money(available_amount) << "/" << print_money(dsts[0].amount));
- tx.add(dsts[0], available_amount, original_output_index, m_merge_destinations);
- dsts[0].amount -= available_amount;
- available_amount = 0;
+ if (tx.add(dsts[0], available_amount, original_output_index, m_merge_destinations, BULLETPROOF_MAX_OUTPUTS-1))
+ {
+ dsts[0].amount -= available_amount;
+ available_amount = 0;
+ }
+ else
+ {
+ LOG_PRINT_L2("Didn't pay: ran out of output slots");
+ out_slots_exhausted = true;
+ }
}
}
@@ -10105,8 +10157,15 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
LOG_PRINT_L2("Considering whether to create a tx now, " << tx.selected_transfers.size() << " inputs, tx limit "
<< upper_transaction_weight_limit);
bool try_tx = false;
+
+ // If the new transaction is full, create it and start a new one
+ if (out_slots_exhausted)
+ {
+ LOG_PRINT_L2("Transaction is full, will create it and start a new tx");
+ try_tx = true;
+ }
// if we have preferred picks, but haven't yet used all of them, continue
- if (preferred_inputs.empty())
+ else if (preferred_inputs.empty())
{
if (adding_fee)
{