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wallet2: sanity check new tx before sending

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We generate and check tx proofs and verify the amounts in those
match what the original amounts were.
This commit is contained in:
moneromooo-monero 2019-03-09 16:21:19 +00:00
parent f5d7652f73
commit b05f10f82e
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GPG key ID: 686F07454D6CEFC3
2 changed files with 217 additions and 105 deletions
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318
src/wallet/wallet2.cpp
View file

@ -8146,6 +8146,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
else
{
change_dts.addr = get_subaddress({subaddr_account, 0});
change_dts.is_subaddress = subaddr_account != 0;
splitted_dsts.push_back(change_dts);
}
@ -8857,6 +8858,8 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
boost::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
auto original_dsts = dsts;
if(m_light_wallet) {
// Populate m_transfers
light_wallet_get_unspent_outs();
@ -9377,10 +9380,77 @@ skip_tx:
ptx_vector.push_back(tx.ptx);
}
THROW_WALLET_EXCEPTION_IF(!sanity_check(ptx_vector, original_dsts), error::wallet_internal_error, "Created transaction(s) failed sanity check");
// if we made it this far, we're OK to actually send the transactions
return ptx_vector;
}
bool wallet2::sanity_check(const std::vector<wallet2::pending_tx> &ptx_vector, std::vector<cryptonote::tx_destination_entry> dsts) const
{
MDEBUG("sanity_check: " << ptx_vector.size() << " txes, " << dsts.size() << " destinations");
hw::device &hwdev = m_account.get_device();
THROW_WALLET_EXCEPTION_IF(ptx_vector.empty(), error::wallet_internal_error, "No transactions");
// check every party in there does receive at least the required amount
std::unordered_map<account_public_address, std::pair<uint64_t, bool>> required;
for (const auto &d: dsts)
{
required[d.addr].first += d.amount;
required[d.addr].second = d.is_subaddress;
}
// add change
uint64_t change = 0;
for (const auto &ptx: ptx_vector)
{
for (size_t idx: ptx.selected_transfers)
change += m_transfers[idx].amount();
change -= ptx.fee;
}
for (const auto &r: required)
change -= r.second.first;
MDEBUG("Adding " << cryptonote::print_money(change) << " expected change");
for (const pending_tx &ptx: ptx_vector)
THROW_WALLET_EXCEPTION_IF(ptx.change_dts.addr != ptx_vector[0].change_dts.addr, error::wallet_internal_error,
"Change goes to several different addresses");
const auto it = m_subaddresses.find(ptx_vector[0].change_dts.addr.m_spend_public_key);
THROW_WALLET_EXCEPTION_IF(it == m_subaddresses.end(), error::wallet_internal_error, "Change address is not ours");
required[ptx_vector[0].change_dts.addr].first += change;
required[ptx_vector[0].change_dts.addr].second = ptx_vector[0].change_dts.is_subaddress;
for (const auto &r: required)
{
const account_public_address &address = r.first;
const crypto::public_key &view_pkey = address.m_view_public_key;
uint64_t total_received = 0;
for (const auto &ptx: ptx_vector)
{
uint64_t received = 0;
try
{
std::string proof = get_tx_proof(ptx.tx, ptx.tx_key, ptx.additional_tx_keys, address, r.second.second, "automatic-sanity-check");
check_tx_proof(ptx.tx, address, r.second.second, "automatic-sanity-check", proof, received);
}
catch (const std::exception &e) { received = 0; }
total_received += received;
}
std::stringstream ss;
ss << "Total received by " << cryptonote::get_account_address_as_str(m_nettype, r.second.second, address) << ": "
<< cryptonote::print_money(total_received) << ", expected " << cryptonote::print_money(r.second.first);
MDEBUG(ss.str());
THROW_WALLET_EXCEPTION_IF(total_received < r.second.first, error::wallet_internal_error, ss.str());
}
return true;
}
std::vector<wallet2::pending_tx> wallet2::create_transactions_all(uint64_t below, const cryptonote::account_public_address &address, bool is_subaddress, const size_t outputs, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra, uint32_t subaddr_account, std::set<uint32_t> subaddr_indices)
{
std::vector<size_t> unused_transfers_indices;
@ -9663,6 +9733,12 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
ptx_vector.push_back(tx.ptx);
}
uint64_t a = 0;
for (size_t idx: unused_transfers_indices) a += m_transfers[idx].amount();
for (size_t idx: unused_dust_indices) a += m_transfers[idx].amount();
std::vector<cryptonote::tx_destination_entry> synthetic_dsts(1, cryptonote::tx_destination_entry("", a, address, is_subaddress));
THROW_WALLET_EXCEPTION_IF(!sanity_check(ptx_vector, synthetic_dsts), error::wallet_internal_error, "Created transaction(s) failed sanity check");
// if we made it this far, we're OK to actually send the transactions
return ptx_vector;
}
@ -10295,41 +10371,8 @@ void wallet2::check_tx_key(const crypto::hash &txid, const crypto::secret_key &t
check_tx_key_helper(txid, derivation, additional_derivations, address, received, in_pool, confirmations);
}
void wallet2::check_tx_key_helper(const crypto::hash &txid, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations)
void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received) const
{
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error,
"Failed to get the right transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!additional_derivations.empty() && additional_derivations.size() != tx.vout.size(), error::wallet_internal_error,
"The size of additional derivations is wrong");
received = 0;
hw::device &hwdev = m_account.get_device();
for (size_t n = 0; n < tx.vout.size(); ++n)
@ -10377,6 +10420,44 @@ void wallet2::check_tx_key_helper(const crypto::hash &txid, const crypto::key_de
received += amount;
}
}
}
void wallet2::check_tx_key_helper(const crypto::hash &txid, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations)
{
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error,
"Failed to get the right transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!additional_derivations.empty() && additional_derivations.size() != tx.vout.size(), error::wallet_internal_error,
"The size of additional derivations is wrong");
check_tx_key_helper(tx, derivation, additional_derivations, address, received);
in_pool = res.txs.front().in_pool;
confirmations = (uint64_t)-1;
@ -10390,10 +10471,56 @@ void wallet2::check_tx_key_helper(const crypto::hash &txid, const crypto::key_de
}
std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message)
{
// fetch tx pubkey from the daemon
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error, "Failed to get the right transaction from daemon");
// determine if the address is found in the subaddress hash table (i.e. whether the proof is outbound or inbound)
crypto::secret_key tx_key = crypto::null_skey;
std::vector<crypto::secret_key> additional_tx_keys;
const bool is_out = m_subaddresses.count(address.m_spend_public_key) == 0;
if (is_out)
{
THROW_WALLET_EXCEPTION_IF(!get_tx_key(txid, tx_key, additional_tx_keys), error::wallet_internal_error, "Tx secret key wasn't found in the wallet file.");
}
return get_tx_proof(tx, tx_key, additional_tx_keys, address, is_subaddress, message);
}
std::string wallet2::get_tx_proof(const cryptonote::transaction &tx, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message) const
{
// determine if the address is found in the subaddress hash table (i.e. whether the proof is outbound or inbound)
const bool is_out = m_subaddresses.count(address.m_spend_public_key) == 0;
const crypto::hash txid = cryptonote::get_transaction_hash(tx);
std::string prefix_data((const char*)&txid, sizeof(crypto::hash));
prefix_data += message;
crypto::hash prefix_hash;
@ -10404,11 +10531,6 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
std::string sig_str;
if (is_out)
{
crypto::secret_key tx_key;
std::vector<crypto::secret_key> additional_tx_keys;
bool found_tx_key = get_tx_key(txid, tx_key, additional_tx_keys);
THROW_WALLET_EXCEPTION_IF(!found_tx_key, error::wallet_internal_error, "Tx secret key wasn't found in the wallet file.");
const size_t num_sigs = 1 + additional_tx_keys.size();
shared_secret.resize(num_sigs);
sig.resize(num_sigs);
@ -10443,37 +10565,6 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
}
else
{
// fetch tx pubkey from the daemon
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error, "Failed to get the right transaction from daemon");
crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(tx);
THROW_WALLET_EXCEPTION_IF(tx_pub_key == null_pkey, error::wallet_internal_error, "Tx pubkey was not found");
@ -10515,9 +10606,7 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
for (size_t i = 1; i < num_sigs; ++i)
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(shared_secret[i], rct::rct2sk(rct::I), additional_derivations[i - 1]), error::wallet_internal_error, "Failed to generate key derivation");
uint64_t received;
bool in_pool;
uint64_t confirmations;
check_tx_key_helper(txid, derivation, additional_derivations, address, received, in_pool, confirmations);
check_tx_key_helper(tx, derivation, additional_derivations, address, received);
THROW_WALLET_EXCEPTION_IF(!received, error::wallet_internal_error, tr("No funds received in this tx."));
// concatenate all signature strings
@ -10529,6 +10618,55 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
}
bool wallet2::check_tx_proof(const crypto::hash &txid, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message, const std::string &sig_str, uint64_t &received, bool &in_pool, uint64_t &confirmations)
{
// fetch tx pubkey from the daemon
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error, "Failed to get the right transaction from daemon");
if (!check_tx_proof(tx, address, is_subaddress, message, sig_str, received))
return false;
in_pool = res.txs.front().in_pool;
confirmations = (uint64_t)-1;
if (!in_pool)
{
std::string err;
uint64_t bc_height = get_daemon_blockchain_height(err);
if (err.empty())
confirmations = bc_height - (res.txs.front().block_height + 1);
}
return true;
}
bool wallet2::check_tx_proof(const cryptonote::transaction &tx, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message, const std::string &sig_str, uint64_t &received) const
{
const bool is_out = sig_str.substr(0, 3) == "Out";
const std::string header = is_out ? "OutProofV1" : "InProofV1";
@ -10561,43 +10699,13 @@ bool wallet2::check_tx_proof(const crypto::hash &txid, const cryptonote::account
memcpy(&sig[i], sig_decoded.data(), sizeof(crypto::signature));
}
// fetch tx pubkey from the daemon
COMMAND_RPC_GET_TRANSACTIONS::request req;
COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
req.decode_as_json = false;
req.prune = true;
m_daemon_rpc_mutex.lock();
bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || (res.txs.size() != 1 && res.txs_as_hex.size() != 1),
error::wallet_internal_error, "Failed to get transaction from daemon");
cryptonote::transaction tx;
crypto::hash tx_hash;
if (res.txs.size() == 1)
{
ok = get_pruned_tx(res.txs.front(), tx, tx_hash);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
}
else
{
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx),
error::wallet_internal_error, "Failed to validate transaction from daemon");
tx_hash = cryptonote::get_transaction_hash(tx);
}
THROW_WALLET_EXCEPTION_IF(tx_hash != txid, error::wallet_internal_error, "Failed to get the right transaction from daemon");
crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(tx);
THROW_WALLET_EXCEPTION_IF(tx_pub_key == null_pkey, error::wallet_internal_error, "Tx pubkey was not found");
std::vector<crypto::public_key> additional_tx_pub_keys = get_additional_tx_pub_keys_from_extra(tx);
THROW_WALLET_EXCEPTION_IF(additional_tx_pub_keys.size() + 1 != num_sigs, error::wallet_internal_error, "Signature size mismatch with additional tx pubkeys");
const crypto::hash txid = cryptonote::get_transaction_hash(tx);
std::string prefix_data((const char*)&txid, sizeof(crypto::hash));
prefix_data += message;
crypto::hash prefix_hash;
@ -10644,7 +10752,7 @@ bool wallet2::check_tx_proof(const crypto::hash &txid, const cryptonote::account
if (good_signature[i])
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(shared_secret[i], rct::rct2sk(rct::I), additional_derivations[i - 1]), error::wallet_internal_error, "Failed to generate key derivation");
check_tx_key_helper(txid, derivation, additional_derivations, address, received, in_pool, confirmations);
check_tx_key_helper(tx, derivation, additional_derivations, address, received);
return true;
}
return false;

4
src/wallet/wallet2.h
View file

@ -799,6 +799,7 @@ namespace tools
std::vector<wallet2::pending_tx> create_transactions_all(uint64_t below, const cryptonote::account_public_address &address, bool is_subaddress, const size_t outputs, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra, uint32_t subaddr_account, std::set<uint32_t> subaddr_indices);
std::vector<wallet2::pending_tx> create_transactions_single(const crypto::key_image &ki, const cryptonote::account_public_address &address, bool is_subaddress, const size_t outputs, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra);
std::vector<wallet2::pending_tx> create_transactions_from(const cryptonote::account_public_address &address, bool is_subaddress, const size_t outputs, std::vector<size_t> unused_transfers_indices, std::vector<size_t> unused_dust_indices, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra);
bool sanity_check(const std::vector<wallet2::pending_tx> &ptx_vector, std::vector<cryptonote::tx_destination_entry> dsts) const;
void cold_tx_aux_import(const std::vector<pending_tx>& ptx, const std::vector<std::string>& tx_device_aux);
void cold_sign_tx(const std::vector<pending_tx>& ptx_vector, signed_tx_set &exported_txs, std::vector<cryptonote::address_parse_info> &dsts_info, std::vector<std::string> & tx_device_aux);
uint64_t cold_key_image_sync(uint64_t &spent, uint64_t &unspent);
@ -1012,8 +1013,11 @@ namespace tools
bool get_tx_key(const crypto::hash &txid, crypto::secret_key &tx_key, std::vector<crypto::secret_key> &additional_tx_keys);
void check_tx_key(const crypto::hash &txid, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations);
void check_tx_key_helper(const crypto::hash &txid, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations);
void check_tx_key_helper(const cryptonote::transaction &tx, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, const cryptonote::account_public_address &address, uint64_t &received) const;
std::string get_tx_proof(const crypto::hash &txid, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message);
std::string get_tx_proof(const cryptonote::transaction &tx, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message) const;
bool check_tx_proof(const crypto::hash &txid, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message, const std::string &sig_str, uint64_t &received, bool &in_pool, uint64_t &confirmations);
bool check_tx_proof(const cryptonote::transaction &tx, const cryptonote::account_public_address &address, bool is_subaddress, const std::string &message, const std::string &sig_str, uint64_t &received) const;
std::string get_spend_proof(const crypto::hash &txid, const std::string &message);
bool check_spend_proof(const crypto::hash &txid, const std::string &message, const std::string &sig_str);