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Merge pull request #1919

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0ad87db0 wallet: try to save large outputs when using an unneeded second input (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-03-25 13:28:19 +02:00
commit 4737f61c81
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GPG key ID: 55432DF31CCD4FCD
4 changed files with 106 additions and 4 deletions
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66
src/simplewallet/simplewallet.cpp
View file

@ -615,6 +615,42 @@ bool simple_wallet::set_unit(const std::vector<std::string> &args/* = std::vecto
return true;
}
bool simple_wallet::set_min_output_count(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
uint32_t count;
if (!string_tools::get_xtype_from_string(count, args[1]))
{
fail_msg_writer() << tr("invalid count: must be an unsigned integer");
return true;
}
const auto pwd_container = get_and_verify_password();
if (pwd_container)
{
m_wallet->set_min_output_count(count);
m_wallet->rewrite(m_wallet_file, pwd_container->password());
}
return true;
}
bool simple_wallet::set_min_output_value(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
uint64_t value;
if (!cryptonote::parse_amount(value, args[1]))
{
fail_msg_writer() << tr("invalid value");
return true;
}
const auto pwd_container = get_and_verify_password();
if (pwd_container)
{
m_wallet->set_min_output_value(value);
m_wallet->rewrite(m_wallet_file, pwd_container->password());
}
return true;
}
bool simple_wallet::help(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
success_msg_writer() << get_commands_str();
@ -654,7 +690,7 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("viewkey", boost::bind(&simple_wallet::viewkey, this, _1), tr("Display private view key"));
m_cmd_binder.set_handler("spendkey", boost::bind(&simple_wallet::spendkey, this, _1), tr("Display private spend key"));
m_cmd_binder.set_handler("seed", boost::bind(&simple_wallet::seed, this, _1), tr("Display Electrum-style mnemonic seed"));
m_cmd_binder.set_handler("set", boost::bind(&simple_wallet::set_variable, this, _1), tr("Available options: seed language - set wallet seed language; always-confirm-transfers <1|0> - whether to confirm unsplit txes; print-ring-members <1|0> - whether to print detailed information about ring members during confirmation; store-tx-info <1|0> - whether to store outgoing tx info (destination address, payment ID, tx secret key) for future reference; default-mixin <n> - set default mixin (default is 4); auto-refresh <1|0> - whether to automatically sync new blocks from the daemon; refresh-type <full|optimize-coinbase|no-coinbase|default> - set wallet refresh behaviour; priority [0|1|2|3|4] - default/unimportant/normal/elevated/priority fee; confirm-missing-payment-id <1|0>; ask-password <1|0>; unit <monero|millinero|micronero|nanonero|piconero> - set default monero (sub-)unit"));
m_cmd_binder.set_handler("set", boost::bind(&simple_wallet::set_variable, this, _1), tr("Available options: seed language - set wallet seed language; always-confirm-transfers <1|0> - whether to confirm unsplit txes; print-ring-members <1|0> - whether to print detailed information about ring members during confirmation; store-tx-info <1|0> - whether to store outgoing tx info (destination address, payment ID, tx secret key) for future reference; default-mixin <n> - set default mixin (default is 4); auto-refresh <1|0> - whether to automatically sync new blocks from the daemon; refresh-type <full|optimize-coinbase|no-coinbase|default> - set wallet refresh behaviour; priority [0|1|2|3|4] - default/unimportant/normal/elevated/priority fee; confirm-missing-payment-id <1|0>; ask-password <1|0>; unit <monero|millinero|micronero|nanonero|piconero> - set default monero (sub-)unit; min-output-count [n] - try to keep at least that many outputs of value at least min-output-value; min-output-value [n] - try to keep at least min-output-count outputs of at least that value"));
m_cmd_binder.set_handler("rescan_spent", boost::bind(&simple_wallet::rescan_spent, this, _1), tr("Rescan blockchain for spent outputs"));
m_cmd_binder.set_handler("get_tx_key", boost::bind(&simple_wallet::get_tx_key, this, _1), tr("Get transaction key (r) for a given <txid>"));
m_cmd_binder.set_handler("check_tx_key", boost::bind(&simple_wallet::check_tx_key, this, _1), tr("Check amount going to <address> in <txid>"));
@ -690,6 +726,8 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
success_msg_writer() << "confirm-missing-payment-id = " << m_wallet->confirm_missing_payment_id();
success_msg_writer() << "ask-password = " << m_wallet->ask_password();
success_msg_writer() << "unit = " << cryptonote::get_unit(m_wallet->get_default_decimal_point());
success_msg_writer() << "min-outputs-count = " << m_wallet->get_min_output_count();
success_msg_writer() << "min-outputs-value = " << cryptonote::print_money(m_wallet->get_min_output_value());
return true;
}
else
@ -838,6 +876,32 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
return true;
}
}
else if (args[0] == "min-outputs-count")
{
if (args.size() <= 1)
{
fail_msg_writer() << tr("set min-outputs-count: needs an argument (unsigned integer)");
return true;
}
else
{
set_min_output_count(args);
return true;
}
}
else if (args[0] == "min-outputs-value")
{
if (args.size() <= 1)
{
fail_msg_writer() << tr("set min-outputs-value: needs an argument (unsigned integer)");
return true;
}
else
{
set_min_output_value(args);
return true;
}
}
}
fail_msg_writer() << tr("set: unrecognized argument(s)");
return true;

2
src/simplewallet/simplewallet.h
View file

@ -117,6 +117,8 @@ namespace cryptonote
bool set_confirm_missing_payment_id(const std::vector<std::string> &args = std::vector<std::string>());
bool set_ask_password(const std::vector<std::string> &args = std::vector<std::string>());
bool set_unit(const std::vector<std::string> &args = std::vector<std::string>());
bool set_min_output_count(const std::vector<std::string> &args = std::vector<std::string>());
bool set_min_output_value(const std::vector<std::string> &args = std::vector<std::string>());
bool help(const std::vector<std::string> &args = std::vector<std::string>());
bool start_mining(const std::vector<std::string> &args);
bool stop_mining(const std::vector<std::string> &args);

31
src/wallet/wallet2.cpp
View file

@ -1918,6 +1918,12 @@ bool wallet2::store_keys(const std::string& keys_file_name, const std::string& p
value2.SetInt(m_ask_password ? 1 :0);
json.AddMember("ask_password", value2, json.GetAllocator());
value2.SetUint(m_min_output_count);
json.AddMember("min_output_count", value2, json.GetAllocator());
value2.SetUint64(m_min_output_value);
json.AddMember("min_output_value", value2, json.GetAllocator());
value2.SetInt(cryptonote::get_default_decimal_point());
json.AddMember("default_decimal_point", value2, json.GetAllocator());
@ -1989,6 +1995,8 @@ bool wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
m_refresh_type = RefreshType::RefreshDefault;
m_confirm_missing_payment_id = true;
m_ask_password = true;
m_min_output_count = 0;
m_min_output_value = 0;
}
else
{
@ -2053,6 +2061,10 @@ bool wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
m_ask_password = field_ask_password;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, default_decimal_point, int, Int, false, CRYPTONOTE_DISPLAY_DECIMAL_POINT);
cryptonote::set_default_decimal_point(field_default_decimal_point);
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, min_output_count, uint32_t, Uint, false, 0);
m_min_output_count = field_min_output_count;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, min_output_value, uint64_t, Uint64, false, 0);
m_min_output_value = field_min_output_value;
}
const cryptonote::account_keys& keys = m_account.get_keys();
@ -4189,6 +4201,15 @@ std::vector<size_t> wallet2::get_only_rct(const std::vector<size_t> &unused_dust
return indices;
}
static uint32_t get_count_above(const std::vector<wallet2::transfer_details> &transfers, const std::vector<size_t> &indices, uint64_t threshold)
{
uint32_t count = 0;
for (size_t idx: indices)
if (transfers[idx].amount() >= threshold)
++count;
return count;
}
// Another implementation of transaction creation that is hopefully better
// While there is anything left to pay, it goes through random outputs and tries
// to fill the next destination/amount. If it fully fills it, it will use the
@ -4339,12 +4360,20 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
std::vector<size_t> indices = get_only_rct(unused_dust_indices, unused_transfers_indices);
idx = pop_best_value(indices, tx.selected_transfers, true);
// we might not want to add it if it's a large output and we don't have many left
if (m_transfers[idx].amount() >= m_min_output_value) {
if (get_count_above(m_transfers, unused_transfers_indices, m_min_output_value) < m_min_output_count) {
LOG_PRINT_L2("Second output was not strictly needed, and we're running out of outputs above " << print_money(m_min_output_value) << ", not adding");
break;
}
}
// since we're trying to add a second output which is not strictly needed,
// we only add it if it's unrelated enough to the first one
float relatedness = get_output_relatedness(m_transfers[idx], m_transfers[tx.selected_transfers.front()]);
if (relatedness > SECOND_OUTPUT_RELATEDNESS_THRESHOLD)
{
LOG_PRINT_L2("Second outout was not strictly needed, and relatedness " << relatedness << ", not adding");
LOG_PRINT_L2("Second output was not strictly needed, and relatedness " << relatedness << ", not adding");
break;
}
pop_if_present(unused_transfers_indices, idx);

11
src/wallet/wallet2.h
View file

@ -105,7 +105,7 @@ namespace tools
};
private:
wallet2(const wallet2&) : m_run(true), m_callback(0), m_testnet(false), m_always_confirm_transfers(true), m_print_ring_members(false), m_store_tx_info(true), m_default_mixin(0), m_default_priority(0), m_refresh_type(RefreshOptimizeCoinbase), m_auto_refresh(true), m_refresh_from_block_height(0), m_confirm_missing_payment_id(true), m_ask_password(true), m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex) {}
wallet2(const wallet2&) : m_run(true), m_callback(0), m_testnet(false), m_always_confirm_transfers(true), m_print_ring_members(false), m_store_tx_info(true), m_default_mixin(0), m_default_priority(0), m_refresh_type(RefreshOptimizeCoinbase), m_auto_refresh(true), m_refresh_from_block_height(0), m_confirm_missing_payment_id(true), m_ask_password(true), m_min_output_count(0), m_min_output_value(0), m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex) {}
public:
static const char* tr(const char* str);
@ -126,7 +126,8 @@ namespace tools
//! Uses stdin and stdout. Returns a wallet2 and password for wallet with no file if no errors.
static std::pair<std::unique_ptr<wallet2>, password_container> make_new(const boost::program_options::variables_map& vm);
wallet2(bool testnet = false, bool restricted = false) : m_run(true), m_callback(0), m_testnet(testnet), m_always_confirm_transfers(true), m_print_ring_members(false), m_store_tx_info(true), m_default_mixin(0), m_default_priority(0), m_refresh_type(RefreshOptimizeCoinbase), m_auto_refresh(true), m_refresh_from_block_height(0), m_confirm_missing_payment_id(true), m_ask_password(true), m_restricted(restricted), is_old_file_format(false), m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex) {}
wallet2(bool testnet = false, bool restricted = false) : m_run(true), m_callback(0), m_testnet(testnet), m_always_confirm_transfers(true), m_print_ring_members(false), m_store_tx_info(true), m_default_mixin(0), m_default_priority(0), m_refresh_type(RefreshOptimizeCoinbase), m_auto_refresh(true), m_refresh_from_block_height(0), m_confirm_missing_payment_id(true), m_ask_password(true), m_min_output_count(0), m_min_output_value(0), m_restricted(restricted), is_old_file_format(false), m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex) {}
struct transfer_details
{
uint64_t m_block_height;
@ -526,6 +527,10 @@ namespace tools
void ask_password(bool always) { m_ask_password = always; }
void set_default_decimal_point(unsigned int decimal_point);
unsigned int get_default_decimal_point() const;
void set_min_output_count(uint32_t count) { m_min_output_count = count; }
uint32_t get_min_output_count() const { return m_min_output_count; }
void set_min_output_value(uint64_t value) { m_min_output_value = value; }
uint64_t get_min_output_value() const { return m_min_output_value; }
bool get_tx_key(const crypto::hash &txid, crypto::secret_key &tx_key) const;
@ -682,6 +687,8 @@ namespace tools
uint64_t m_refresh_from_block_height;
bool m_confirm_missing_payment_id;
bool m_ask_password;
uint32_t m_min_output_count;
uint64_t m_min_output_value;
NodeRPCProxy m_node_rpc_proxy;
std::unordered_set<crypto::hash> m_scanned_pool_txs[2];
};