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Merge pull request #948

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11dc091 Fake outs set is now decided by the wallet (moneromooo-monero)
1593553 new unlocked parameter to output_histogram (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2016-08-11 22:43:14 +02:00
commit 0faf572db8
No known key found for this signature in database
GPG key ID: 55432DF31CCD4FCD
16 changed files with 343 additions and 78 deletions
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7
src/blockchain_db/blockchain_db.h
View file

@ -1140,7 +1140,7 @@ public:
*
* @return the tx hash and output index
*/
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) = 0;
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const = 0;
/**
* @brief gets some outputs' tx hashes and indices
@ -1153,7 +1153,7 @@ public:
* @param offsets a list of amount-specific output indices
* @param indices return-by-reference a list of tx hashes and output indices (as pairs)
*/
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) = 0;
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) const = 0;
/**
* @brief gets outputs' data
@ -1305,10 +1305,11 @@ public:
* @brief return a histogram of outputs on the blockchain
*
* @param amounts optional set of amounts to lookup
* @param unlocked whether to restrict count to unlocked outputs
*
* @return a set of amount/instances
*/
virtual std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts) const = 0;
virtual std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const = 0;
/**
* @brief is BlockchainDB in read-only mode?

23
src/blockchain_db/lmdb/db_lmdb.cpp
View file

@ -1944,7 +1944,7 @@ tx_out_index BlockchainLMDB::get_output_tx_and_index_from_global(const uint64_t&
return ret;
}
tx_out_index BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index)
tx_out_index BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
std::vector < uint64_t > offsets;
@ -2550,7 +2550,7 @@ void BlockchainLMDB::get_output_key(const uint64_t &amount, const std::vector<ui
LOG_PRINT_L3("db3: " << db3);
}
void BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices)
void BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -2585,7 +2585,7 @@ void BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const std::
LOG_PRINT_L3("db3: " << db3);
}
std::map<uint64_t, uint64_t> BlockchainLMDB::get_output_histogram(const std::vector<uint64_t> &amounts) const
std::map<uint64_t, uint64_t> BlockchainLMDB::get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -2637,6 +2637,23 @@ std::map<uint64_t, uint64_t> BlockchainLMDB::get_output_histogram(const std::vec
}
}
if (unlocked) {
const uint64_t blockchain_height = height();
for (auto i: histogram) {
uint64_t amount = i.first;
uint64_t num_elems = i.second;
while (num_elems > 0) {
const tx_out_index toi = get_output_tx_and_index(amount, num_elems - 1);
const uint64_t height = get_tx_block_height(toi.first);
if (height + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE <= blockchain_height)
break;
--num_elems;
}
// modifying second does not invalidate the iterator
i.second = num_elems;
}
}
TXN_POSTFIX_RDONLY();
return histogram;

7
src/blockchain_db/lmdb/db_lmdb.h
View file

@ -224,8 +224,8 @@ public:
virtual void get_output_tx_and_index_from_global(const std::vector<uint64_t> &global_indices,
std::vector<tx_out_index> &tx_out_indices) const;
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index);
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices);
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const;
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) const;
virtual std::vector<uint64_t> get_tx_amount_output_indices(const uint64_t tx_id) const;
@ -263,10 +263,11 @@ public:
* @brief return a histogram of outputs on the blockchain
*
* @param amounts optional set of amounts to lookup
* @param unlocked whether to restrict count to unlocked outputs
*
* @return a set of amount/instances
*/
std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts) const;
std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const;
private:
void do_resize(uint64_t size_increase=0);

23
src/cryptonote_core/blockchain.cpp
View file

@ -1597,6 +1597,25 @@ bool Blockchain::get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUT
return true;
}
//------------------------------------------------------------------
bool Blockchain::get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res) const
{
LOG_PRINT_L3("Blockchain::" << __func__);
CRITICAL_REGION_LOCAL(m_blockchain_lock);
res.outs.clear();
res.outs.reserve(req.outputs.size());
for (const auto &i: req.outputs)
{
// get tx_hash, tx_out_index from DB
crypto::public_key key = m_db->get_output_key(i.amount, i.index).pubkey;
tx_out_index toi = m_db->get_output_tx_and_index(i.amount, i.index);
bool unlocked = is_tx_spendtime_unlocked(m_db->get_tx_unlock_time(toi.first));
res.outs.push_back({key, unlocked});
}
return true;
}
//------------------------------------------------------------------
// This function takes a list of block hashes from another node
// on the network to find where the split point is between us and them.
// This is used to see what to send another node that needs to sync.
@ -3316,9 +3335,9 @@ bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, ui
return m_hardfork->get_voting_info(version, window, votes, threshold, earliest_height, voting);
}
std::map<uint64_t, uint64_t> Blockchain:: get_output_histogram(const std::vector<uint64_t> &amounts) const
std::map<uint64_t, uint64_t> Blockchain:: get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const
{
return m_db->get_output_histogram(amounts);
return m_db->get_output_histogram(amounts, unlocked);
}
void Blockchain::load_compiled_in_block_hashes()

18
src/cryptonote_core/blockchain.h
View file

@ -439,6 +439,21 @@ namespace cryptonote
*/
bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res) const;
/**
* @brief gets specific outputs to mix with
*
* This function takes an RPC request for outputs to mix with
* and creates an RPC response with the resultant output indices.
*
* Outputs to mix with are specified in the request.
*
* @param req the outputs to return
* @param res return-by-reference the resultant output indices and keys
*
* @return true
*/
bool get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res) const;
/**
* @brief gets the global indices for outputs from a given transaction
*
@ -688,10 +703,11 @@ namespace cryptonote
* @brief return a histogram of outputs on the blockchain
*
* @param amounts optional set of amounts to lookup
* @param unlocked whether to restrict instances to unlocked ones
*
* @return a set of amount/instances
*/
std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts) const;
std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const;
/**
* @brief perform a check on all key images in the blockchain

5
src/cryptonote_core/cryptonote_core.cpp
View file

@ -709,6 +709,11 @@ namespace cryptonote
return m_blockchain_storage.get_random_outs_for_amounts(req, res);
}
//-----------------------------------------------------------------------------------------------
bool core::get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res) const
{
return m_blockchain_storage.get_outs(req, res);
}
//-----------------------------------------------------------------------------------------------
bool core::get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs) const
{
return m_blockchain_storage.get_tx_outputs_gindexs(tx_id, indexs);

7
src/cryptonote_core/cryptonote_core.h
View file

@ -476,6 +476,13 @@ namespace cryptonote
*/
bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res) const;
/**
* @copydoc Blockchain::get_outs
*
* @note see Blockchain::get_outs
*/
bool get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res) const;
/**
* @copydoc miner::pause

26
src/rpc/core_rpc_server.cpp
View file

@ -42,6 +42,7 @@ using namespace epee;
#include "core_rpc_server_error_codes.h"
#define MAX_RESTRICTED_FAKE_OUTS_COUNT 40
#define MAX_RESTRICTED_GLOBAL_FAKE_OUTS_COUNT 500
namespace cryptonote
{
@ -226,6 +227,29 @@ namespace cryptonote
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res)
{
CHECK_CORE_BUSY();
res.status = "Failed";
if (m_restricted)
{
if (req.outputs.size() > MAX_RESTRICTED_GLOBAL_FAKE_OUTS_COUNT)
{
res.status = "Too many outs requested";
return true;
}
}
if(!m_core.get_outs(req, res))
{
return true;
}
res.status = CORE_RPC_STATUS_OK;
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_get_indexes(const COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request& req, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response& res)
{
CHECK_CORE_BUSY();
@ -1126,7 +1150,7 @@ namespace cryptonote
std::map<uint64_t, uint64_t> histogram;
try
{
histogram = m_core.get_blockchain_storage().get_output_histogram(req.amounts);
histogram = m_core.get_blockchain_storage().get_output_histogram(req.amounts, req.unlocked);
}
catch (const std::exception &e)
{

2
src/rpc/core_rpc_server.h
View file

@ -78,6 +78,7 @@ namespace cryptonote
MAP_URI_AUTO_BIN2("/gethashes.bin", on_get_hashes, COMMAND_RPC_GET_HASHES_FAST)
MAP_URI_AUTO_BIN2("/get_o_indexes.bin", on_get_indexes, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES)
MAP_URI_AUTO_BIN2("/getrandom_outs.bin", on_get_random_outs, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS)
MAP_URI_AUTO_BIN2("/get_outs.bin", on_get_outs, COMMAND_RPC_GET_OUTPUTS)
MAP_URI_AUTO_JON2("/gettransactions", on_get_transactions, COMMAND_RPC_GET_TRANSACTIONS)
MAP_URI_AUTO_JON2("/is_key_image_spent", on_is_key_image_spent, COMMAND_RPC_IS_KEY_IMAGE_SPENT)
MAP_URI_AUTO_JON2("/sendrawtransaction", on_send_raw_tx, COMMAND_RPC_SEND_RAW_TX)
@ -126,6 +127,7 @@ namespace cryptonote
bool on_stop_mining(const COMMAND_RPC_STOP_MINING::request& req, COMMAND_RPC_STOP_MINING::response& res);
bool on_mining_status(const COMMAND_RPC_MINING_STATUS::request& req, COMMAND_RPC_MINING_STATUS::response& res);
bool on_get_random_outs(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);
bool on_get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res);
bool on_get_info(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res);
bool on_save_bc(const COMMAND_RPC_SAVE_BC::request& req, COMMAND_RPC_SAVE_BC::response& res);
bool on_get_peer_list(const COMMAND_RPC_GET_PEER_LIST::request& req, COMMAND_RPC_GET_PEER_LIST::response& res);

49
src/rpc/core_rpc_server_commands_defs.h
View file

@ -41,7 +41,7 @@ namespace cryptonote
#define CORE_RPC_STATUS_BUSY "BUSY"
#define CORE_RPC_STATUS_NOT_MINING "NOT MINING"
#define CORE_RPC_VERSION 1
#define CORE_RPC_VERSION 2
struct COMMAND_RPC_GET_HEIGHT
{
@ -271,6 +271,51 @@ namespace cryptonote
};
};
//-----------------------------------------------
struct COMMAND_RPC_GET_OUTPUTS
{
struct out
{
uint64_t amount;
uint64_t index;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(amount)
KV_SERIALIZE(index)
END_KV_SERIALIZE_MAP()
};
struct request
{
std::vector<out> outputs;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(outputs)
END_KV_SERIALIZE_MAP()
};
struct outkey
{
crypto::public_key key;
bool unlocked;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE_VAL_POD_AS_BLOB(key)
KV_SERIALIZE(unlocked)
END_KV_SERIALIZE_MAP()
};
struct response
{
std::vector<outkey> outs;
std::string status;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(outs)
KV_SERIALIZE(status)
END_KV_SERIALIZE_MAP()
};
};
//-----------------------------------------------
struct COMMAND_RPC_SEND_RAW_TX
{
struct request
@ -1071,11 +1116,13 @@ namespace cryptonote
std::vector<uint64_t> amounts;
uint64_t min_count;
uint64_t max_count;
bool unlocked;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(amounts);
KV_SERIALIZE(min_count);
KV_SERIALIZE(max_count);
KV_SERIALIZE(unlocked);
END_KV_SERIALIZE_MAP()
};

12
src/simplewallet/simplewallet.cpp
View file

@ -2468,9 +2468,9 @@ bool simple_wallet::transfer_main(bool new_algorithm, const std::vector<std::str
{
auto writer = fail_msg_writer();
writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs())
for (std::pair<uint64_t, uint64_t> outs_for_amount : e.scanty_outs())
{
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size();
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.first) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.second;
}
}
catch (const tools::error::tx_not_constructed&)
@ -2631,9 +2631,9 @@ bool simple_wallet::sweep_unmixable(const std::vector<std::string> &args_)
{
auto writer = fail_msg_writer();
writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs())
for (std::pair<uint64_t, uint64_t> outs_for_amount : e.scanty_outs())
{
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size();
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.first) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.second;
}
}
catch (const tools::error::tx_not_constructed&)
@ -2863,9 +2863,9 @@ bool simple_wallet::sweep_all(const std::vector<std::string> &args_)
{
auto writer = fail_msg_writer();
writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs())
for (std::pair<uint64_t, uint64_t> outs_for_amount : e.scanty_outs())
{
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size();
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.first) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.second;
}
}
catch (const tools::error::tx_not_constructed&)

4
src/wallet/api/wallet.cpp
View file

@ -527,8 +527,8 @@ PendingTransaction *WalletImpl::createTransaction(const string &dst_addr, const
} catch (const tools::error::not_enough_outs_to_mix& e) {
std::ostringstream writer;
writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs()) {
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size();
for (const std::pair<uint64_t, uint64_t> outs_for_amount : e.scanty_outs()) {
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.first) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.second;
}
m_errorString = writer.str();
m_status = Status_Error;

220
src/wallet/wallet2.cpp
View file

@ -2238,7 +2238,7 @@ uint64_t wallet2::sanitize_fee_multiplier(uint64_t fee_multiplier) const
// 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, uint64_t fee_multiplier, 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);
const std::vector<size_t> unused_transfers_indices = select_available_outputs_from_histogram(fake_outs_count + 1, true, true, trusted_daemon);
fee_multiplier = sanitize_fee_multiplier(fee_multiplier);
@ -2364,45 +2364,174 @@ 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));
THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee);
typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry;
typedef cryptonote::tx_source_entry::output_entry tx_output_entry;
COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response daemon_resp = AUTO_VAL_INIT(daemon_resp);
if(fake_outputs_count)
typedef std::pair<uint64_t, crypto::public_key> entry;
std::vector<std::vector<entry>> outs;
if (fake_outputs_count)
{
COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request req = AUTO_VAL_INIT(req);
req.outs_count = fake_outputs_count + 1;// add one to make possible (if need) to skip real output key
BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
// get histogram for the amounts we need
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();
req_t.jsonrpc = "2.0";
req_t.id = epee::serialization::storage_entry(0);
req_t.method = "get_output_histogram";
for(auto it: selected_transfers)
req_t.params.amounts.push_back(it->amount());
req_t.params.unlocked = true;
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();
THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "transfer_selected");
THROW_WALLET_EXCEPTION_IF(resp_t.result.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "get_output_histogram");
THROW_WALLET_EXCEPTION_IF(resp_t.result.status != CORE_RPC_STATUS_OK, error::get_histogram_error, resp_t.result.status);
// we ask for more, to have spares if some outputs are still locked
size_t requested_outputs_count = (size_t)((fake_outputs_count + 1) * 1.5 + 1);
// generate output indices to request
COMMAND_RPC_GET_OUTPUTS::request req = AUTO_VAL_INIT(req);
COMMAND_RPC_GET_OUTPUTS::response daemon_resp = AUTO_VAL_INIT(daemon_resp);
for(transfer_container::iterator it: selected_transfers)
{
THROW_WALLET_EXCEPTION_IF(it->m_tx.vout.size() <= it->m_internal_output_index, error::wallet_internal_error,
"m_internal_output_index = " + std::to_string(it->m_internal_output_index) +
" is greater or equal to outputs count = " + std::to_string(it->m_tx.vout.size()));
req.amounts.push_back(it->amount());
std::unordered_set<uint64_t> seen_indices;
size_t start = req.outputs.size();
// if there are just enough outputs to mix with, use all of them.
// Eventually this should become impossible.
uint64_t num_outs = 0;
for (auto he: resp_t.result.histogram)
{
if (he.amount == it->amount())
{
num_outs = he.instances;
break;
}
}
if (num_outs <= requested_outputs_count)
{
for (uint64_t i = 0; i < num_outs; i++)
req.outputs.push_back({it->amount(), i});
// duplicate to make up shortfall: this will be caught after the RPC call,
// so we can also output the amounts for which we can't reach the required
// mixin after checking the actual unlockedness
for (uint64_t i = num_outs; i < requested_outputs_count; ++i)
req.outputs.push_back({it->amount(), num_outs - 1});
}
else
{
// start with real one
uint64_t num_found = 1;
seen_indices.emplace(it->m_global_output_index);
req.outputs.push_back({it->amount(), it->m_global_output_index});
// while we still need more mixins
while (num_found < requested_outputs_count)
{
// if we've gone through every possible output, we've gotten all we can
if (seen_indices.size() == num_outs)
break;
// get a random output index from the DB. If we've already seen it,
// return to the top of the loop and try again, otherwise add it to the
// list of output indices we've seen.
// triangular distribution over [a,b) with a=0, mode c=b=up_index_limit
uint64_t r = crypto::rand<uint64_t>() % ((uint64_t)1 << 53);
double frac = std::sqrt((double)r / ((uint64_t)1 << 53));
uint64_t i = (uint64_t)(frac*num_outs);
// just in case rounding up to 1 occurs after sqrt
if (i == num_outs)
--i;
if (seen_indices.count(i))
continue;
seen_indices.emplace(i);
req.outputs.push_back({it->amount(), i});
++num_found;
}
}
// sort the subsection, to ensure the daemon doesn't know wich output is ours
std::sort(req.outputs.begin() + start, req.outputs.end(),
[](const COMMAND_RPC_GET_OUTPUTS::out &a, const COMMAND_RPC_GET_OUTPUTS::out &b) { return a.index < b.index; });
}
// get the keys for those
m_daemon_rpc_mutex.lock();
bool r = epee::net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/getrandom_outs.bin", req, daemon_resp, m_http_client, 200000);
r = epee::net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/get_outs.bin", req, daemon_resp, m_http_client, 200000);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "getrandom_outs.bin");
THROW_WALLET_EXCEPTION_IF(daemon_resp.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "getrandom_outs.bin");
THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_outs.bin");
THROW_WALLET_EXCEPTION_IF(daemon_resp.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "get_outs.bin");
THROW_WALLET_EXCEPTION_IF(daemon_resp.status != CORE_RPC_STATUS_OK, error::get_random_outs_error, daemon_resp.status);
THROW_WALLET_EXCEPTION_IF(daemon_resp.outs.size() != selected_transfers.size(), error::wallet_internal_error,
"daemon returned wrong response for getrandom_outs.bin, wrong amounts count = " +
std::to_string(daemon_resp.outs.size()) + ", expected " + std::to_string(selected_transfers.size()));
THROW_WALLET_EXCEPTION_IF(daemon_resp.outs.size() != req.outputs.size(), error::wallet_internal_error,
"daemon returned wrong response for get_outs.bin, wrong amounts count = " +
std::to_string(daemon_resp.outs.size()) + ", expected " + std::to_string(req.outputs.size()));
std::vector<COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount> scanty_outs;
BOOST_FOREACH(COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& amount_outs, daemon_resp.outs)
std::unordered_map<uint64_t, uint64_t> scanty_outs;
size_t base = 0;
outs.reserve(selected_transfers.size());
for(transfer_container::iterator it: selected_transfers)
{
if (amount_outs.outs.size() < fake_outputs_count)
outs.push_back(std::vector<entry>());
outs.back().reserve(fake_outputs_count + 1);
// pick real out first (it will be sorted when done)
outs.back().push_back({it->m_global_output_index, boost::get<txout_to_key>(it->m_tx.vout[it->m_internal_output_index].target).key});
// then pick others in random order till we reach the required number
// since we use an equiprobable pick here, we don't upset the triangular distribution
std::vector<size_t> order;
order.resize(requested_outputs_count);
for (size_t n = 0; n < order.size(); ++n)
order[n] = n;
std::shuffle(order.begin(), order.end(), std::default_random_engine(crypto::rand<unsigned>()));
for (size_t o = 0; o < requested_outputs_count && outs.back().size() < fake_outputs_count + 1; ++o)
{
scanty_outs.push_back(amount_outs);
size_t i = base + order[o];
if (req.outputs[i].index == it->m_global_output_index) // don't re-add real one
continue;
if (!daemon_resp.outs[i].unlocked) // don't add locked outs
continue;
if (o > 0 && daemon_resp.outs[i].key == daemon_resp.outs[i - 1].key) // don't add duplicates
continue;
outs.back().push_back({req.outputs[i].index, daemon_resp.outs[i].key});
}
if (outs.back().size() < fake_outputs_count + 1)
{
scanty_outs[it->amount()] = outs.back().size();
}
else
{
// 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 a.first < b.first; });
// sanity check
for (size_t n = 1; n < outs.back().size(); ++n)
{
THROW_WALLET_EXCEPTION_IF(outs.back()[n].first == outs.back()[n-1].first, error::wallet_internal_error,
"Duplicate indices though we did not ask for any");
THROW_WALLET_EXCEPTION_IF(outs.back()[n].second == outs.back()[n-1].second, error::wallet_internal_error,
"Duplicate keys after we have weeded them out");
}
}
base += requested_outputs_count;
}
THROW_WALLET_EXCEPTION_IF(!scanty_outs.empty(), error::not_enough_outs_to_mix, scanty_outs, fake_outputs_count);
}
else
{
for (transfer_container::iterator it: selected_transfers)
{
std::vector<entry> v;
v.push_back({it->m_global_output_index, boost::get<txout_to_key>(it->m_tx.vout[it->m_internal_output_index].target).key});
outs.push_back(v);
}
}
//prepare inputs
size_t i = 0;
typedef cryptonote::tx_source_entry::output_entry tx_output_entry;
size_t i = 0, out_index = 0;
std::vector<cryptonote::tx_source_entry> sources;
BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
{
@ -2410,38 +2539,34 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
cryptonote::tx_source_entry& src = sources.back();
transfer_details& td = *it;
src.amount = td.amount();
//paste mixin transaction
if(daemon_resp.outs.size())
//paste keys (fake and real)
for (size_t n = 0; n < fake_outputs_count + 1; ++n)
{
daemon_resp.outs[i].outs.sort([](const out_entry& a, const out_entry& b){return a.global_amount_index < b.global_amount_index;});
BOOST_FOREACH(out_entry& daemon_oe, daemon_resp.outs[i].outs)
{
if(td.m_global_output_index == daemon_oe.global_amount_index)
continue;
tx_output_entry oe;
oe.first = daemon_oe.global_amount_index;
oe.second = daemon_oe.out_key;
src.outputs.push_back(oe);
if(src.outputs.size() >= fake_outputs_count)
break;
}
tx_output_entry oe;
oe.first = outs[out_index][n].first;
oe.second = outs[out_index][n].second;
src.outputs.push_back(oe);
++i;
}
//paste real transaction to the random index
auto it_to_insert = std::find_if(src.outputs.begin(), src.outputs.end(), [&](const tx_output_entry& a)
auto it_to_replace = std::find_if(src.outputs.begin(), src.outputs.end(), [&](const tx_output_entry& a)
{
return a.first >= td.m_global_output_index;
return a.first == td.m_global_output_index;
});
//size_t real_index = src.outputs.size() ? (rand() % src.outputs.size() ):0;
THROW_WALLET_EXCEPTION_IF(it_to_replace == src.outputs.end(), error::wallet_internal_error,
"real output not found");
tx_output_entry real_oe;
real_oe.first = td.m_global_output_index;
real_oe.second = boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key;
auto interted_it = src.outputs.insert(it_to_insert, real_oe);
*it_to_replace = real_oe;
src.real_out_tx_key = get_tx_pub_key_from_extra(td.m_tx);
src.real_output = interted_it - src.outputs.begin();
src.real_output = it_to_replace - src.outputs.begin();
src.real_output_in_tx_index = td.m_internal_output_index;
detail::print_source_entry(src);
++i;
++out_index;
}
cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts);
@ -3061,7 +3186,7 @@ std::vector<uint64_t> wallet2::get_unspent_amounts_vector()
return vector;
}
//----------------------------------------------------------------------------------------------------
std::vector<size_t> wallet2::select_available_outputs_from_histogram(uint64_t count, bool atleast, bool trusted_daemon)
std::vector<size_t> wallet2::select_available_outputs_from_histogram(uint64_t count, bool atleast, bool unlocked, bool trusted_daemon)
{
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);
@ -3073,6 +3198,7 @@ std::vector<size_t> wallet2::select_available_outputs_from_histogram(uint64_t co
req_t.params.amounts = get_unspent_amounts_vector();
req_t.params.min_count = count;
req_t.params.max_count = 0;
req_t.params.unlocked = unlocked;
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();
THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "select_available_unmixable_outputs");
@ -3102,13 +3228,13 @@ std::vector<size_t> wallet2::select_available_outputs_from_histogram(uint64_t co
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);
return select_available_outputs_from_histogram(3, false, true, 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);
return select_available_outputs_from_histogram(3, true, true, trusted_daemon);
}
//----------------------------------------------------------------------------------------------------
std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions(bool trusted_daemon)

6
src/wallet/wallet2.h
View file

@ -383,7 +383,7 @@ namespace tools
std::string get_keys_file() const;
std::string get_daemon_address() const;
std::vector<size_t> select_available_outputs_from_histogram(uint64_t count, bool atleast, bool trusted_daemon);
std::vector<size_t> select_available_outputs_from_histogram(uint64_t count, bool atleast, bool unlocked, bool trusted_daemon);
std::vector<size_t> select_available_outputs(const std::function<bool(const transfer_details &td)> &f);
std::vector<size_t> select_available_unmixable_outputs(bool trusted_daemon);
std::vector<size_t> select_available_mixable_outputs(bool trusted_daemon);
@ -668,12 +668,12 @@ namespace tools
"daemon returned wrong response for getrandom_outs.bin, wrong amounts count = " +
std::to_string(daemon_resp.outs.size()) + ", expected " + std::to_string(selected_transfers.size()));
std::vector<COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount> scanty_outs;
std::unordered_map<uint64_t, uint64_t> scanty_outs;
BOOST_FOREACH(COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& amount_outs, daemon_resp.outs)
{
if (amount_outs.outs.size() < fake_outputs_count)
{
scanty_outs.push_back(amount_outs);
scanty_outs[amount_outs.amount] = amount_outs.outs.size();
}
}
THROW_WALLET_EXCEPTION_IF(!scanty_outs.empty(), error::not_enough_outs_to_mix, scanty_outs, fake_outputs_count);

6
src/wallet/wallet_errors.h
View file

@ -377,7 +377,7 @@ namespace tools
//----------------------------------------------------------------------------------------------------
struct not_enough_outs_to_mix : public transfer_error
{
typedef std::vector<cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount> scanty_outs_t;
typedef std::unordered_map<uint64_t, uint64_t> scanty_outs_t;
explicit not_enough_outs_to_mix(std::string&& loc, const scanty_outs_t& scanty_outs, size_t mixin_count)
: transfer_error(std::move(loc), "not enough outputs to mix")
@ -393,9 +393,9 @@ namespace tools
{
std::ostringstream ss;
ss << transfer_error::to_string() << ", mixin_count = " << m_mixin_count << ", scanty_outs:";
for (const auto& outs_for_amount : m_scanty_outs)
for (const auto& out: m_scanty_outs)
{
ss << '\n' << cryptonote::print_money(outs_for_amount.amount) << " - " << outs_for_amount.outs.size();
ss << '\n' << cryptonote::print_money(out.first) << " - " << out.second;
}
return ss.str();
}

6
tests/unit_tests/hardfork.cpp
View file

@ -86,8 +86,8 @@ public:
virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) { return output_data_t(); }
virtual output_data_t get_output_key(const uint64_t& global_index) const { return output_data_t(); }
virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const { return tx_out_index(); }
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) { return tx_out_index(); }
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) {}
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const { return tx_out_index(); }
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) const {}
virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs) {}
virtual bool can_thread_bulk_indices() const { return false; }
virtual std::vector<uint64_t> get_tx_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
@ -106,7 +106,7 @@ public:
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const { return true; }
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const { return true; }
virtual bool is_read_only() const { return false; }
virtual std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts) const { return std::map<uint64_t, uint64_t>(); }
virtual std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const { return std::map<uint64_t, uint64_t>(); }
virtual void add_block( const block& blk
, const size_t& block_size