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Merge pull request #3027

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6d40a920 Reserve proof (stoffu)
This commit is contained in:
Riccardo Spagni 2018-01-25 16:40:58 -08:00
commit 960b32ba70
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GPG Key ID: 55432DF31CCD4FCD
10 changed files with 580 additions and 0 deletions
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114
src/simplewallet/simplewallet.cpp
View File

@ -1690,6 +1690,16 @@ simple_wallet::simple_wallet()
boost::bind(&simple_wallet::check_spend_proof, this, _1),
tr("check_spend_proof <txid> <signature_file> [<message>]"),
tr("Check a signature proving that the signer generated <txid>, optionally with a challenge string <message>."));
m_cmd_binder.set_handler("get_reserve_proof",
boost::bind(&simple_wallet::get_reserve_proof, this, _1),
tr("get_reserve_proof (all|<amount>) [<message>]"),
tr("Generate a signature proving that you own at least this much, optionally with a challenge string <message>.\n"
"If 'all' is specified, you prove the entire sum of all of your existing accounts' balances.\n"
"Otherwise, you prove the reserve of the smallest possible amount above <amount> available in your current account."));
m_cmd_binder.set_handler("check_reserve_proof",
boost::bind(&simple_wallet::check_reserve_proof, this, _1),
tr("check_reserve_proof <address> <signature_file> [<message>]"),
tr("Check a signature proving that the owner of <address> holds at least this much, optionally with a challenge string <message>."));
m_cmd_binder.set_handler("show_transfers",
boost::bind(&simple_wallet::show_transfers, this, _1),
tr("show_transfers [in|out|pending|failed|pool] [index=<N1>[,<N2>,...]] [<min_height> [<max_height>]]"),
@ -5125,6 +5135,110 @@ bool simple_wallet::check_spend_proof(const std::vector<std::string> &args)
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::get_reserve_proof(const std::vector<std::string> &args)
{
if(args.size() != 1 && args.size() != 2) {
fail_msg_writer() << tr("usage: get_reserve_proof (all|<amount>) [<message>]");
return true;
}
if (m_wallet->watch_only() || m_wallet->multisig())
{
fail_msg_writer() << tr("The reserve proof can be generated only by a full wallet");
return true;
}
boost::optional<std::pair<uint32_t, uint64_t>> account_minreserve;
if (args[0] != "all")
{
account_minreserve = std::pair<uint32_t, uint64_t>();
account_minreserve->first = m_current_subaddress_account;
if (!cryptonote::parse_amount(account_minreserve->second, args[0]))
{
fail_msg_writer() << tr("amount is wrong: ") << args[0];
return true;
}
}
if (!try_connect_to_daemon())
{
fail_msg_writer() << tr("failed to connect to the daemon");
return true;
}
if (m_wallet->ask_password() && !get_and_verify_password()) { return true; }
LOCK_IDLE_SCOPE();
try
{
const std::string sig_str = m_wallet->get_reserve_proof(account_minreserve, args.size() == 2 ? args[1] : "");
const std::string filename = "monero_reserve_proof";
if (epee::file_io_utils::save_string_to_file(filename, sig_str))
success_msg_writer() << tr("signature file saved to: ") << filename;
else
fail_msg_writer() << tr("failed to save signature file");
}
catch (const std::exception &e)
{
fail_msg_writer() << e.what();
}
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::check_reserve_proof(const std::vector<std::string> &args)
{
if(args.size() != 2 && args.size() != 3) {
fail_msg_writer() << tr("usage: check_reserve_proof <address> <signature_file> [<message>]");
return true;
}
if (!try_connect_to_daemon())
{
fail_msg_writer() << tr("failed to connect to the daemon");
return true;
}
cryptonote::address_parse_info info;
if(!cryptonote::get_account_address_from_str_or_url(info, m_wallet->testnet(), args[0], oa_prompter))
{
fail_msg_writer() << tr("failed to parse address");
return true;
}
if (info.is_subaddress)
{
fail_msg_writer() << tr("Address must not be a subaddress");
return true;
}
std::string sig_str;
if (!epee::file_io_utils::load_file_to_string(args[1], sig_str))
{
fail_msg_writer() << tr("failed to load signature file");
return true;
}
LOCK_IDLE_SCOPE();
try
{
uint64_t total, spent;
if (m_wallet->check_reserve_proof(info.address, args.size() == 3 ? args[2] : "", sig_str, total, spent))
{
success_msg_writer() << boost::format(tr("Good signature -- total: %s, spent: %s, unspent: %s")) % print_money(total) % print_money(spent) % print_money(total - spent);
}
else
{
fail_msg_writer() << tr("Bad signature");
}
}
catch (const std::exception& e)
{
fail_msg_writer() << e.what();
}
return true;
}
//----------------------------------------------------------------------------------------------------
static std::string get_human_readable_timestamp(uint64_t ts)
{
char buffer[64];

2
src/simplewallet/simplewallet.h
View File

@ -170,6 +170,8 @@ namespace cryptonote
bool check_tx_proof(const std::vector<std::string> &args);
bool get_spend_proof(const std::vector<std::string> &args);
bool check_spend_proof(const std::vector<std::string> &args);
bool get_reserve_proof(const std::vector<std::string> &args);
bool check_reserve_proof(const std::vector<std::string> &args);
bool show_transfers(const std::vector<std::string> &args);
bool unspent_outputs(const std::vector<std::string> &args);
bool rescan_blockchain(const std::vector<std::string> &args);

49
src/wallet/api/wallet.cpp
View File

@ -1576,6 +1576,55 @@ bool WalletImpl::checkSpendProof(const std::string &txid_str, const std::string
}
}
std::string WalletImpl::getReserveProof(bool all, uint32_t account_index, uint64_t amount, const std::string &message) const {
try
{
m_status = Status_Ok;
boost::optional<std::pair<uint32_t, uint64_t>> account_minreserve;
if (!all)
{
account_minreserve = std::make_pair(account_index, amount);
}
return m_wallet->get_reserve_proof(account_minreserve, message);
}
catch (const std::exception &e)
{
m_status = Status_Error;
m_errorString = e.what();
return "";
}
}
bool WalletImpl::checkReserveProof(const std::string &address, const std::string &message, const std::string &signature, bool &good, uint64_t &total, uint64_t &spent) const {
cryptonote::address_parse_info info;
if (!cryptonote::get_account_address_from_str(info, m_wallet->testnet(), address))
{
m_status = Status_Error;
m_errorString = tr("Failed to parse address");
return false;
}
if (info.is_subaddress)
{
m_status = Status_Error;
m_errorString = tr("Address must not be a subaddress");
return false;
}
good = false;
try
{
m_status = Status_Ok;
good = m_wallet->check_reserve_proof(info.address, message, signature, total, spent);
return true;
}
catch (const std::exception &e)
{
m_status = Status_Error;
m_errorString = e.what();
return false;
}
}
std::string WalletImpl::signMessage(const std::string &message)
{
return m_wallet->sign(message);

2
src/wallet/api/wallet.h
View File

@ -142,6 +142,8 @@ public:
virtual bool checkTxProof(const std::string &txid, const std::string &address, const std::string &message, const std::string &signature, bool &good, uint64_t &received, bool &in_pool, uint64_t &confirmations);
virtual std::string getSpendProof(const std::string &txid, const std::string &message) const;
virtual bool checkSpendProof(const std::string &txid, const std::string &message, const std::string &signature, bool &good) const;
virtual std::string getReserveProof(bool all, uint32_t account_index, uint64_t amount, const std::string &message) const;
virtual bool checkReserveProof(const std::string &address, const std::string &message, const std::string &signature, bool &good, uint64_t &total, uint64_t &spent) const;
virtual std::string signMessage(const std::string &message);
virtual bool verifySignedMessage(const std::string &message, const std::string &address, const std::string &signature) const;
virtual void startRefresh();

6
src/wallet/api/wallet2_api.h
View File

@ -706,6 +706,12 @@ struct Wallet
virtual bool checkTxProof(const std::string &txid, const std::string &address, const std::string &message, const std::string &signature, bool &good, uint64_t &received, bool &in_pool, uint64_t &confirmations) = 0;
virtual std::string getSpendProof(const std::string &txid, const std::string &message) const = 0;
virtual bool checkSpendProof(const std::string &txid, const std::string &message, const std::string &signature, bool &good) const = 0;
/*!
* \brief getReserveProof - Generates a proof that proves the reserve of unspent funds
* Parameters `account_index` and `amount` are ignored when `all` is true
*/
virtual std::string getReserveProof(bool all, uint32_t account_index, uint64_t amount, const std::string &message) const = 0;
virtual bool checkReserveProof(const std::string &address, const std::string &message, const std::string &signature, bool &good, uint64_t &total, uint64_t &spent) const = 0;
/*
* \brief signMessage - sign a message with the spend private key

245
src/wallet/wallet2.cpp
View File

@ -7947,6 +7947,251 @@ bool wallet2::check_tx_proof(const crypto::hash &txid, const cryptonote::account
return false;
}
std::string wallet2::get_reserve_proof(const boost::optional<std::pair<uint32_t, uint64_t>> &account_minreserve, const std::string &message)
{
THROW_WALLET_EXCEPTION_IF(m_watch_only || m_multisig, error::wallet_internal_error, "Reserve proof can only be generated by a full wallet");
THROW_WALLET_EXCEPTION_IF(balance_all() == 0, error::wallet_internal_error, "Zero balance");
THROW_WALLET_EXCEPTION_IF(account_minreserve && balance(account_minreserve->first) < account_minreserve->second, error::wallet_internal_error,
"Not enough balance in this account for the requested minimum reserve amount");
// determine which outputs to include in the proof
std::vector<size_t> selected_transfers;
for (size_t i = 0; i < m_transfers.size(); ++i)
{
const transfer_details &td = m_transfers[i];
if (!td.m_spent && (!account_minreserve || account_minreserve->first == td.m_subaddr_index.major))
selected_transfers.push_back(i);
}
if (account_minreserve)
{
// minimize the number of outputs included in the proof, by only picking the N largest outputs that can cover the requested min reserve amount
std::sort(selected_transfers.begin(), selected_transfers.end(), [&](const size_t a, const size_t b)
{ return m_transfers[a].amount() > m_transfers[b].amount(); });
while (selected_transfers.size() >= 2 && m_transfers[selected_transfers[1]].amount() >= account_minreserve->second)
selected_transfers.erase(selected_transfers.begin());
size_t sz = 0;
uint64_t total = 0;
while (total < account_minreserve->second)
{
total += m_transfers[selected_transfers[sz]].amount();
++sz;
}
selected_transfers.resize(sz);
}
// compute signature prefix hash
std::string prefix_data = message;
prefix_data.append((const char*)&m_account.get_keys().m_account_address, sizeof(cryptonote::account_public_address));
for (size_t i = 0; i < selected_transfers.size(); ++i)
{
prefix_data.append((const char*)&m_transfers[selected_transfers[i]].m_key_image, sizeof(crypto::key_image));
}
crypto::hash prefix_hash;
crypto::cn_fast_hash(prefix_data.data(), prefix_data.size(), prefix_hash);
// generate proof entries
std::vector<reserve_proof_entry> proofs(selected_transfers.size());
std::unordered_set<cryptonote::subaddress_index> subaddr_indices = { {0,0} };
for (size_t i = 0; i < selected_transfers.size(); ++i)
{
const transfer_details &td = m_transfers[selected_transfers[i]];
reserve_proof_entry& proof = proofs[i];
proof.txid = td.m_txid;
proof.index_in_tx = td.m_internal_output_index;
proof.key_image = td.m_key_image;
subaddr_indices.insert(td.m_subaddr_index);
// get tx pub key
const crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(td.m_tx, td.m_pk_index);
THROW_WALLET_EXCEPTION_IF(tx_pub_key == crypto::null_pkey, error::wallet_internal_error, "The tx public key isn't found");
const std::vector<crypto::public_key> additional_tx_pub_keys = get_additional_tx_pub_keys_from_extra(td.m_tx);
// determine which tx pub key was used for deriving the output key
const crypto::public_key *tx_pub_key_used = &tx_pub_key;
for (int i = 0; i < 2; ++i)
{
proof.shared_secret = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(*tx_pub_key_used), rct::sk2rct(m_account.get_keys().m_view_secret_key)));
crypto::key_derivation derivation;
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(proof.shared_secret, rct::rct2sk(rct::I), derivation),
error::wallet_internal_error, "Failed to generate key derivation");
crypto::public_key subaddress_spendkey;
THROW_WALLET_EXCEPTION_IF(!derive_subaddress_public_key(td.get_public_key(), derivation, proof.index_in_tx, subaddress_spendkey),
error::wallet_internal_error, "Failed to derive subaddress public key");
if (m_subaddresses.count(subaddress_spendkey) == 1)
break;
THROW_WALLET_EXCEPTION_IF(additional_tx_pub_keys.empty(), error::wallet_internal_error,
"Normal tx pub key doesn't derive the expected output, while the additional tx pub keys are empty");
THROW_WALLET_EXCEPTION_IF(i == 1, error::wallet_internal_error,
"Neither normal tx pub key nor additional tx pub key derive the expected output key");
tx_pub_key_used = &additional_tx_pub_keys[proof.index_in_tx];
}
// generate signature for shared secret
crypto::generate_tx_proof(prefix_hash, m_account.get_keys().m_account_address.m_view_public_key, *tx_pub_key_used, boost::none, proof.shared_secret, m_account.get_keys().m_view_secret_key, proof.shared_secret_sig);
// derive ephemeral secret key
crypto::key_image ki;
cryptonote::keypair ephemeral;
const bool r = cryptonote::generate_key_image_helper(m_account.get_keys(), m_subaddresses, td.get_public_key(), tx_pub_key, additional_tx_pub_keys, td.m_internal_output_index, ephemeral, ki);
THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "Failed to generate key image");
THROW_WALLET_EXCEPTION_IF(ephemeral.pub != td.get_public_key(), error::wallet_internal_error, "Derived public key doesn't agree with the stored one");
// generate signature for key image
const std::vector<const crypto::public_key*> pubs = { &ephemeral.pub };
crypto::generate_ring_signature(prefix_hash, td.m_key_image, &pubs[0], 1, ephemeral.sec, 0, &proof.key_image_sig);
}
// collect all subaddress spend keys that received those outputs and generate their signatures
std::unordered_map<crypto::public_key, crypto::signature> subaddr_spendkeys;
for (const cryptonote::subaddress_index &index : subaddr_indices)
{
crypto::secret_key subaddr_spend_skey = m_account.get_keys().m_spend_secret_key;
if (!index.is_zero())
{
crypto::secret_key m = cryptonote::get_subaddress_secret_key(m_account.get_keys().m_view_secret_key, index);
crypto::secret_key tmp = subaddr_spend_skey;
sc_add((unsigned char*)&subaddr_spend_skey, (unsigned char*)&m, (unsigned char*)&tmp);
}
crypto::public_key subaddr_spend_pkey;
secret_key_to_public_key(subaddr_spend_skey, subaddr_spend_pkey);
crypto::generate_signature(prefix_hash, subaddr_spend_pkey, subaddr_spend_skey, subaddr_spendkeys[subaddr_spend_pkey]);
}
// serialize & encode
std::ostringstream oss;
boost::archive::portable_binary_oarchive ar(oss);
ar << proofs << subaddr_spendkeys;
return "ReserveProofV1" + tools::base58::encode(oss.str());
}
bool wallet2::check_reserve_proof(const cryptonote::account_public_address &address, const std::string &message, const std::string &sig_str, uint64_t &total, uint64_t &spent)
{
uint32_t rpc_version;
THROW_WALLET_EXCEPTION_IF(!check_connection(&rpc_version), error::wallet_internal_error, "Failed to connect to daemon: " + get_daemon_address());
THROW_WALLET_EXCEPTION_IF(rpc_version < MAKE_CORE_RPC_VERSION(1, 0), error::wallet_internal_error, "Daemon RPC version is too old");
static constexpr char header[] = "ReserveProofV1";
THROW_WALLET_EXCEPTION_IF(!boost::string_ref{sig_str}.starts_with(header), error::wallet_internal_error,
"Signature header check error");
std::string sig_decoded;
THROW_WALLET_EXCEPTION_IF(!tools::base58::decode(sig_str.substr(std::strlen(header)), sig_decoded), error::wallet_internal_error,
"Signature decoding error");
std::istringstream iss(sig_decoded);
boost::archive::portable_binary_iarchive ar(iss);
std::vector<reserve_proof_entry> proofs;
std::unordered_map<crypto::public_key, crypto::signature> subaddr_spendkeys;
ar >> proofs >> subaddr_spendkeys;
THROW_WALLET_EXCEPTION_IF(subaddr_spendkeys.count(address.m_spend_public_key) == 0, error::wallet_internal_error,
"The given address isn't found in the proof");
// compute signature prefix hash
std::string prefix_data = message;
prefix_data.append((const char*)&address, sizeof(cryptonote::account_public_address));
for (size_t i = 0; i < proofs.size(); ++i)
{
prefix_data.append((const char*)&proofs[i].key_image, sizeof(crypto::key_image));
}
crypto::hash prefix_hash;
crypto::cn_fast_hash(prefix_data.data(), prefix_data.size(), prefix_hash);
// fetch txes from daemon
COMMAND_RPC_GET_TRANSACTIONS::request gettx_req;
COMMAND_RPC_GET_TRANSACTIONS::response gettx_res;
for (size_t i = 0; i < proofs.size(); ++i)
gettx_req.txs_hashes.push_back(epee::string_tools::pod_to_hex(proofs[i].txid));
m_daemon_rpc_mutex.lock();
bool ok = net_utils::invoke_http_json("/gettransactions", gettx_req, gettx_res, m_http_client);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || gettx_res.txs.size() != proofs.size(),
error::wallet_internal_error, "Failed to get transaction from daemon");
// check spent status
COMMAND_RPC_IS_KEY_IMAGE_SPENT::request kispent_req;
COMMAND_RPC_IS_KEY_IMAGE_SPENT::response kispent_res;
for (size_t i = 0; i < proofs.size(); ++i)
kispent_req.key_images.push_back(epee::string_tools::pod_to_hex(proofs[i].key_image));
m_daemon_rpc_mutex.lock();
ok = epee::net_utils::invoke_http_json("/is_key_image_spent", kispent_req, kispent_res, m_http_client, rpc_timeout);
m_daemon_rpc_mutex.unlock();
THROW_WALLET_EXCEPTION_IF(!ok || kispent_res.spent_status.size() != proofs.size(),
error::wallet_internal_error, "Failed to get key image spent status from daemon");
total = spent = 0;
for (size_t i = 0; i < proofs.size(); ++i)
{
const reserve_proof_entry& proof = proofs[i];
THROW_WALLET_EXCEPTION_IF(gettx_res.txs[i].in_pool, error::wallet_internal_error, "Tx is unconfirmed");
cryptonote::blobdata tx_data;
ok = string_tools::parse_hexstr_to_binbuff(gettx_res.txs[i].as_hex, tx_data);
THROW_WALLET_EXCEPTION_IF(!ok, error::wallet_internal_error, "Failed to parse transaction from daemon");
crypto::hash tx_hash, tx_prefix_hash;
cryptonote::transaction tx;
THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx, tx_hash, tx_prefix_hash), error::wallet_internal_error,
"Failed to validate transaction from daemon");
THROW_WALLET_EXCEPTION_IF(tx_hash != proof.txid, error::wallet_internal_error, "Failed to get the right transaction from daemon");
THROW_WALLET_EXCEPTION_IF(proof.index_in_tx >= tx.vout.size(), error::wallet_internal_error, "index_in_tx is out of bound");
const cryptonote::txout_to_key* const out_key = boost::get<cryptonote::txout_to_key>(std::addressof(tx.vout[proof.index_in_tx].target));
THROW_WALLET_EXCEPTION_IF(!out_key, error::wallet_internal_error, "Output key wasn't found")
// get tx pub key
const crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(tx);
THROW_WALLET_EXCEPTION_IF(tx_pub_key == crypto::null_pkey, error::wallet_internal_error, "The tx public key isn't found");
const std::vector<crypto::public_key> additional_tx_pub_keys = get_additional_tx_pub_keys_from_extra(tx);
// check singature for shared secret
ok = crypto::check_tx_proof(prefix_hash, address.m_view_public_key, tx_pub_key, boost::none, proof.shared_secret, proof.shared_secret_sig);
if (!ok && additional_tx_pub_keys.size() == tx.vout.size())
ok = crypto::check_tx_proof(prefix_hash, address.m_view_public_key, additional_tx_pub_keys[proof.index_in_tx], boost::none, proof.shared_secret, proof.shared_secret_sig);
if (!ok)
return false;
// check signature for key image
const std::vector<const crypto::public_key*> pubs = { &out_key->key };
ok = crypto::check_ring_signature(prefix_hash, proof.key_image, &pubs[0], 1, &proof.key_image_sig);
if (!ok)
return false;
// check if the address really received the fund
crypto::key_derivation derivation;
THROW_WALLET_EXCEPTION_IF(!crypto::generate_key_derivation(proof.shared_secret, rct::rct2sk(rct::I), derivation), error::wallet_internal_error, "Failed to generate key derivation");
crypto::public_key subaddr_spendkey;
crypto::derive_subaddress_public_key(out_key->key, derivation, proof.index_in_tx, subaddr_spendkey);
THROW_WALLET_EXCEPTION_IF(subaddr_spendkeys.count(subaddr_spendkey) == 0, error::wallet_internal_error,
"The address doesn't seem to have received the fund");
// check amount
uint64_t amount = tx.vout[proof.index_in_tx].amount;
if (amount == 0)
{
// decode rct
crypto::secret_key shared_secret;
crypto::derivation_to_scalar(derivation, proof.index_in_tx, shared_secret);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[proof.index_in_tx];
rct::ecdhDecode(ecdh_info, rct::sk2rct(shared_secret));
amount = rct::h2d(ecdh_info.amount);
}
total += amount;
if (kispent_res.spent_status[i])
spent += amount;
}
// check signatures for all subaddress spend keys
for (const auto &i : subaddr_spendkeys)
{
if (!crypto::check_signature(prefix_hash, i.first, i.second))
return false;
}
return true;
}
std::string wallet2::get_wallet_file() const
{
return m_wallet_file;

42
src/wallet/wallet2.h
View File

@ -433,6 +433,16 @@ namespace tools
bool m_is_subaddress;
};
struct reserve_proof_entry
{
crypto::hash txid;
uint64_t index_in_tx;
crypto::public_key shared_secret;
crypto::key_image key_image;
crypto::signature shared_secret_sig;
crypto::signature key_image_sig;
};
typedef std::tuple<uint64_t, crypto::public_key, rct::key> get_outs_entry;
/*!
@ -836,6 +846,26 @@ namespace tools
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);
/*!
* \brief Generates a proof that proves the reserve of unspent funds
* \param account_minreserve When specified, collect outputs only belonging to the given account and prove the smallest reserve above the given amount
* When unspecified, proves for all unspent outputs across all accounts
* \param message Arbitrary challenge message to be signed together
* \return Signature string
*/
std::string get_reserve_proof(const boost::optional<std::pair<uint32_t, uint64_t>> &account_minreserve, const std::string &message);
/*!
* \brief Verifies a proof of reserve
* \param address The signer's address
* \param message Challenge message used for signing
* \param sig_str Signature string
* \param total [OUT] the sum of funds included in the signature
* \param spent [OUT] the sum of spent funds included in the signature
* \return true if the signature verifies correctly
*/
bool check_reserve_proof(const cryptonote::account_public_address &address, const std::string &message, const std::string &sig_str, uint64_t &total, uint64_t &spent);
/*!
* \brief GUI Address book get/store
*/
@ -1119,6 +1149,7 @@ BOOST_CLASS_VERSION(tools::wallet2::pool_payment_details, 1)
BOOST_CLASS_VERSION(tools::wallet2::unconfirmed_transfer_details, 7)
BOOST_CLASS_VERSION(tools::wallet2::confirmed_transfer_details, 5)
BOOST_CLASS_VERSION(tools::wallet2::address_book_row, 17)
BOOST_CLASS_VERSION(tools::wallet2::reserve_proof_entry, 0)
BOOST_CLASS_VERSION(tools::wallet2::unsigned_tx_set, 0)
BOOST_CLASS_VERSION(tools::wallet2::signed_tx_set, 0)
BOOST_CLASS_VERSION(tools::wallet2::tx_construction_data, 2)
@ -1401,6 +1432,17 @@ namespace boost
a & x.m_is_subaddress;
}
template <class Archive>
inline void serialize(Archive& a, tools::wallet2::reserve_proof_entry& x, const boost::serialization::version_type ver)
{
a & x.txid;
a & x.index_in_tx;
a & x.shared_secret;
a & x.key_image;
a & x.shared_secret_sig;
a & x.key_image_sig;
}
template <class Archive>
inline void serialize(Archive &a, tools::wallet2::unsigned_tx_set &x, const boost::serialization::version_type ver)
{

60
src/wallet/wallet_rpc_server.cpp
View File

@ -1725,6 +1725,66 @@ namespace tools
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_get_reserve_proof(const wallet_rpc::COMMAND_RPC_GET_RESERVE_PROOF::request& req, wallet_rpc::COMMAND_RPC_GET_RESERVE_PROOF::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
boost::optional<std::pair<uint32_t, uint64_t>> account_minreserve;
if (!req.all)
{
if (req.account_index >= m_wallet->get_num_subaddress_accounts())
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "Account index is out of bound";
return false;
}
account_minreserve = std::make_pair(req.account_index, req.amount);
}
try
{
res.signature = m_wallet->get_reserve_proof(account_minreserve, req.message);
}
catch (const std::exception &e)
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = e.what();
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_check_reserve_proof(const wallet_rpc::COMMAND_RPC_CHECK_RESERVE_PROOF::request& req, wallet_rpc::COMMAND_RPC_CHECK_RESERVE_PROOF::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
cryptonote::address_parse_info info;
if (!get_account_address_from_str(info, m_wallet->testnet(), req.address))
{
er.code = WALLET_RPC_ERROR_CODE_WRONG_ADDRESS;
er.message = "Invalid address";
return false;
}
if (info.is_subaddress)
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "Address must not be a subaddress";
return false;
}
try
{
res.good = m_wallet->check_reserve_proof(info.address, req.message, req.signature, res.total, res.spent);
}
catch (const std::exception &e)
{
er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = e.what();
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_get_transfers(const wallet_rpc::COMMAND_RPC_GET_TRANSFERS::request& req, wallet_rpc::COMMAND_RPC_GET_TRANSFERS::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);

4
src/wallet/wallet_rpc_server.h
View File

@ -104,6 +104,8 @@ namespace tools
MAP_JON_RPC_WE("check_tx_proof", on_check_tx_proof, wallet_rpc::COMMAND_RPC_CHECK_TX_PROOF)
MAP_JON_RPC_WE("get_spend_proof", on_get_spend_proof, wallet_rpc::COMMAND_RPC_GET_SPEND_PROOF)
MAP_JON_RPC_WE("check_spend_proof", on_check_spend_proof, wallet_rpc::COMMAND_RPC_CHECK_SPEND_PROOF)
MAP_JON_RPC_WE("get_reserve_proof", on_get_reserve_proof, wallet_rpc::COMMAND_RPC_GET_RESERVE_PROOF)
MAP_JON_RPC_WE("check_reserve_proof", on_check_reserve_proof, wallet_rpc::COMMAND_RPC_CHECK_RESERVE_PROOF)
MAP_JON_RPC_WE("get_transfers", on_get_transfers, wallet_rpc::COMMAND_RPC_GET_TRANSFERS)
MAP_JON_RPC_WE("get_transfer_by_txid", on_get_transfer_by_txid, wallet_rpc::COMMAND_RPC_GET_TRANSFER_BY_TXID)
MAP_JON_RPC_WE("sign", on_sign, wallet_rpc::COMMAND_RPC_SIGN)
@ -170,6 +172,8 @@ namespace tools
bool on_check_tx_proof(const wallet_rpc::COMMAND_RPC_CHECK_TX_PROOF::request& req, wallet_rpc::COMMAND_RPC_CHECK_TX_PROOF::response& res, epee::json_rpc::error& er);
bool on_get_spend_proof(const wallet_rpc::COMMAND_RPC_GET_SPEND_PROOF::request& req, wallet_rpc::COMMAND_RPC_GET_SPEND_PROOF::response& res, epee::json_rpc::error& er);
bool on_check_spend_proof(const wallet_rpc::COMMAND_RPC_CHECK_SPEND_PROOF::request& req, wallet_rpc::COMMAND_RPC_CHECK_SPEND_PROOF::response& res, epee::json_rpc::error& er);
bool on_get_reserve_proof(const wallet_rpc::COMMAND_RPC_GET_RESERVE_PROOF::request& req, wallet_rpc::COMMAND_RPC_GET_RESERVE_PROOF::response& res, epee::json_rpc::error& er);
bool on_check_reserve_proof(const wallet_rpc::COMMAND_RPC_CHECK_RESERVE_PROOF::request& req, wallet_rpc::COMMAND_RPC_CHECK_RESERVE_PROOF::response& res, epee::json_rpc::error& er);
bool on_get_transfers(const wallet_rpc::COMMAND_RPC_GET_TRANSFERS::request& req, wallet_rpc::COMMAND_RPC_GET_TRANSFERS::response& res, epee::json_rpc::error& er);
bool on_get_transfer_by_txid(const wallet_rpc::COMMAND_RPC_GET_TRANSFER_BY_TXID::request& req, wallet_rpc::COMMAND_RPC_GET_TRANSFER_BY_TXID::response& res, epee::json_rpc::error& er);
bool on_sign(const wallet_rpc::COMMAND_RPC_SIGN::request& req, wallet_rpc::COMMAND_RPC_SIGN::response& res, epee::json_rpc::error& er);

56
src/wallet/wallet_rpc_server_commands_defs.h
View File

@ -1182,6 +1182,62 @@ namespace wallet_rpc
};
};
struct COMMAND_RPC_GET_RESERVE_PROOF
{
struct request
{
bool all;
uint32_t account_index; // ignored when `all` is true
uint64_t amount; // ignored when `all` is true
std::string message;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(all)
KV_SERIALIZE(account_index)
KV_SERIALIZE(amount)
KV_SERIALIZE(message)
END_KV_SERIALIZE_MAP()
};
struct response
{
std::string signature;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(signature)
END_KV_SERIALIZE_MAP()
};
};
struct COMMAND_RPC_CHECK_RESERVE_PROOF
{
struct request
{
std::string address;
std::string message;
std::string signature;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(address)
KV_SERIALIZE(message)
KV_SERIALIZE(signature)
END_KV_SERIALIZE_MAP()
};
struct response
{
bool good;
uint64_t total;
uint64_t spent;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(good)
KV_SERIALIZE(total)
KV_SERIALIZE(spent)
END_KV_SERIALIZE_MAP()
};
};
struct COMMAND_RPC_GET_TRANSFERS
{
struct request