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Merge pull request #1305 

c80f4d4 wallet: fix output collision detection for view wallets (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2016-11-09 14:08:34 +02:00
parent e8a55db29d c80f4d416d
commit 144a7f090a
No known key found for this signature in database
GPG Key ID: 55432DF31CCD4FCD
3 changed files with 47 additions and 21 deletions
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2
src/crypto/crypto.h
View File

@ -236,6 +236,6 @@ namespace crypto {
}
}
CRYPTO_MAKE_COMPARABLE(public_key)
CRYPTO_MAKE_HASHABLE(public_key)
CRYPTO_MAKE_HASHABLE(key_image)
CRYPTO_MAKE_COMPARABLE(signature)

42
src/wallet/wallet2.cpp
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@ -252,8 +252,6 @@ bool wallet2::wallet_generate_key_image_helper(const cryptonote::account_keys& a
{
if (!cryptonote::generate_key_image_helper(ack, tx_public_key, real_output_index, in_ephemeral, ki))
return false;
if (m_watch_only)
memset(&ki, 0, 32);
return true;
}
//----------------------------------------------------------------------------------------------------
@ -483,12 +481,12 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s
THROW_WALLET_EXCEPTION_IF(tx.vout.size() <= o, error::wallet_internal_error, "wrong out in transaction: internal index=" +
std::to_string(o) + ", total_outs=" + std::to_string(tx.vout.size()));
auto kit = m_key_images.find(ki[o]);
THROW_WALLET_EXCEPTION_IF(kit != m_key_images.end() && kit->second >= m_transfers.size(),
error::wallet_internal_error, std::string("Unexpected transfer index from key image: ")
+ "got " + (kit == m_key_images.end() ? "<none>" : boost::lexical_cast<std::string>(kit->second))
auto kit = m_pub_keys.find(in_ephemeral[o].pub);
THROW_WALLET_EXCEPTION_IF(kit != m_pub_keys.end() && kit->second >= m_transfers.size(),
error::wallet_internal_error, std::string("Unexpected transfer index from public key: ")
+ "got " + (kit == m_pub_keys.end() ? "<none>" : boost::lexical_cast<std::string>(kit->second))
+ ", m_transfers.size() is " + boost::lexical_cast<std::string>(m_transfers.size()));
if (kit == m_key_images.end())
if (kit == m_pub_keys.end())
{
if (!pool)
{
@ -500,6 +498,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s
td.m_tx = (const cryptonote::transaction_prefix&)tx;
td.m_txid = txid();
td.m_key_image = ki[o];
td.m_key_image_known = !m_watch_only;
td.m_amount = tx.vout[o].amount;
if (td.m_amount == 0)
{
@ -519,6 +518,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s
}
set_unspent(m_transfers.size()-1);
m_key_images[td.m_key_image] = m_transfers.size()-1;
m_pub_keys[in_ephemeral[o].pub] = m_transfers.size()-1;
LOG_PRINT_L0("Received money: " << print_money(td.amount()) << ", with tx: " << txid());
if (0 != m_callback)
m_callback->on_money_received(height, tx, td.m_amount);
@ -526,14 +526,14 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s
}
else if (m_transfers[kit->second].m_spent || m_transfers[kit->second].amount() >= tx.vout[o].amount)
{
LOG_ERROR("key image " << epee::string_tools::pod_to_hex(kit->first)
LOG_ERROR("Public key " << epee::string_tools::pod_to_hex(kit->first)
<< " from received " << print_money(tx.vout[o].amount) << " output already exists with "
<< (m_transfers[kit->second].m_spent ? "spent" : "unspent") << " "
<< print_money(m_transfers[kit->second].amount()) << ", received output ignored");
}
else
{
LOG_ERROR("key image " << epee::string_tools::pod_to_hex(kit->first)
LOG_ERROR("Public key " << epee::string_tools::pod_to_hex(kit->first)
<< " from received " << print_money(tx.vout[o].amount) << " output already exists with "
<< print_money(m_transfers[kit->second].amount()) << ", replacing with new output");
// The new larger output replaced a previous smaller one
@ -564,7 +564,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s
td.m_mask = rct::identity();
td.m_rct = false;
}
THROW_WALLET_EXCEPTION_IF(td.m_key_image != ki[o], error::wallet_internal_error, "Inconsistent key images");
THROW_WALLET_EXCEPTION_IF(td.get_public_key() != in_ephemeral[o].pub, error::wallet_internal_error, "Inconsistent public keys");
THROW_WALLET_EXCEPTION_IF(td.m_spent, error::wallet_internal_error, "Inconsistent spent status");
LOG_PRINT_L0("Received money: " << print_money(td.amount()) << ", with tx: " << txid());
@ -1344,7 +1344,13 @@ void wallet2::detach_blockchain(uint64_t height)
auto it_ki = m_key_images.find(m_transfers[i].m_key_image);
THROW_WALLET_EXCEPTION_IF(it_ki == m_key_images.end(), error::wallet_internal_error, "key image not found");
m_key_images.erase(it_ki);
++transfers_detached;
}
for(size_t i = i_start; i!= m_transfers.size();i++)
{
auto it_pk = m_pub_keys.find(m_transfers[i].get_public_key());
THROW_WALLET_EXCEPTION_IF(it_pk == m_pub_keys.end(), error::wallet_internal_error, "public key not found");
m_pub_keys.erase(it_pk);
}
m_transfers.erase(it, m_transfers.end());
@ -1381,6 +1387,7 @@ bool wallet2::clear()
m_blockchain.clear();
m_transfers.clear();
m_key_images.clear();
m_pub_keys.clear();
m_unconfirmed_txs.clear();
m_payments.clear();
m_tx_keys.clear();
@ -2157,13 +2164,11 @@ void wallet2::rescan_spent()
std::to_string(daemon_resp.spent_status.size()) + ", expected " + std::to_string(key_images.size()));
// update spent status
key_image zero_ki;
memset(&zero_ki, 0, 32);
for (size_t i = 0; i < m_transfers.size(); ++i)
{
transfer_details& td = m_transfers[i];
// a view wallet may not know about key images
if (td.m_key_image == zero_ki)
if (!td.m_key_image_known)
continue;
if (td.m_spent != (daemon_resp.spent_status[i] != COMMAND_RPC_IS_KEY_IMAGE_SPENT::UNSPENT))
{
@ -4309,10 +4314,7 @@ std::vector<std::pair<crypto::key_image, crypto::signature>> wallet2::export_key
cryptonote::keypair in_ephemeral;
cryptonote::generate_key_image_helper(m_account.get_keys(), tx_pub_key, td.m_internal_output_index, in_ephemeral, ki);
bool zero_key_image = true;
for (size_t i = 0; i < sizeof(td.m_key_image); ++i)
zero_key_image &= (td.m_key_image.data[i] == 0);
THROW_WALLET_EXCEPTION_IF(!zero_key_image && ki != td.m_key_image,
THROW_WALLET_EXCEPTION_IF(td.m_key_image_known && ki != td.m_key_image,
error::wallet_internal_error, "key_image generated not matched with cached key image");
THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != pkey,
error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key");
@ -4368,7 +4370,10 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag
}
for (size_t n = 0; n < signed_key_images.size(); ++n)
{
m_transfers[n].m_key_image = signed_key_images[n].first;
m_transfers[n].m_key_image_known = true;
}
m_daemon_rpc_mutex.lock();
bool r = epee::net_utils::invoke_http_json_remote_command2(m_daemon_address + "/is_key_image_spent", req, daemon_resp, m_http_client, 200000);
@ -4434,6 +4439,7 @@ size_t wallet2::import_outputs(const std::vector<tools::wallet2::transfer_detail
"Public key wasn't found in the transaction extra at index " + i);
cryptonote::generate_key_image_helper(m_account.get_keys(), pub_key_field.pub_key, td.m_internal_output_index, in_ephemeral, td.m_key_image);
td.m_key_image_known = true;
THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != boost::get<cryptonote::txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key,
error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key at index " + i);

24
src/wallet/wallet2.h
View File

@ -109,9 +109,11 @@ namespace tools
rct::key m_mask;
uint64_t m_amount;
bool m_rct;
bool m_key_image_known;
bool is_rct() const { return m_rct; }
uint64_t amount() const { return m_amount; }
const crypto::public_key &get_public_key() const { return boost::get<const cryptonote::txout_to_key>(m_tx.vout[m_internal_output_index].target).key; }
};
struct payment_details
@ -409,6 +411,19 @@ namespace tools
a & m_unconfirmed_payments;
if(ver < 14)
return;
if(ver < 15)
{
// we're loading an older wallet without a pubkey map, rebuild it
for (size_t i = 0; i < m_transfers.size(); ++i)
{
const transfer_details &td = m_transfers[i];
const cryptonote::tx_out &out = td.m_tx.vout[td.m_internal_output_index];
const cryptonote::txout_to_key &o = boost::get<const cryptonote::txout_to_key>(out.target);
m_pub_keys.emplace(o.key, i);
}
return;
}
a & m_pub_keys;
}
/*!
@ -551,6 +566,7 @@ namespace tools
transfer_container m_transfers;
payment_container m_payments;
std::unordered_map<crypto::key_image, size_t> m_key_images;
std::unordered_map<crypto::public_key, size_t> m_pub_keys;
cryptonote::account_public_address m_account_public_address;
std::unordered_map<crypto::hash, std::string> m_tx_notes;
uint64_t m_upper_transaction_size_limit; //TODO: auto-calc this value or request from daemon, now use some fixed value
@ -575,8 +591,8 @@ namespace tools
bool m_confirm_missing_payment_id;
};
}
BOOST_CLASS_VERSION(tools::wallet2, 14)
BOOST_CLASS_VERSION(tools::wallet2::transfer_details, 4)
BOOST_CLASS_VERSION(tools::wallet2, 15)
BOOST_CLASS_VERSION(tools::wallet2::transfer_details, 5)
BOOST_CLASS_VERSION(tools::wallet2::payment_details, 1)
BOOST_CLASS_VERSION(tools::wallet2::unconfirmed_transfer_details, 6)
BOOST_CLASS_VERSION(tools::wallet2::confirmed_transfer_details, 3)
@ -605,6 +621,7 @@ namespace boost
{
x.m_rct = x.m_tx.vout[x.m_internal_output_index].amount == 0;
}
x.m_key_image_known = true;
}
template <class Archive>
@ -652,6 +669,9 @@ namespace boost
return;
}
a & x.m_rct;
if (ver < 5)
return;
a & x.m_key_image_known;
}
template <class Archive>