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make tx keys available to the user

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They are also stored in the cache file, to be retrieved using
a new get_tx_key command.
This commit is contained in:
moneromooo-monero 2015-08-19 20:59:44 +01:00
parent 776b4fc91a
commit 6c995710d8
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
8 changed files with 77 additions and 10 deletions
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3
src/cryptonote_core/cryptonote_format_utils.cpp
View file

@ -408,7 +408,7 @@ namespace cryptonote
return encrypt_payment_id(payment_id, public_key, secret_key);
}
//---------------------------------------------------------------
bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time)
bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &tx_key)
{
tx.vin.clear();
tx.vout.clear();
@ -420,6 +420,7 @@ namespace cryptonote
tx.extra = extra;
keypair txkey = keypair::generate();
add_tx_pub_key_to_extra(tx, txkey.pub);
tx_key = txkey.sec;
// if we have a stealth payment id, find it and encrypt it with the tx key now
std::vector<tx_extra_field> tx_extra_fields;

2
src/cryptonote_core/cryptonote_format_utils.h
View file

@ -69,7 +69,7 @@ namespace cryptonote
};
//---------------------------------------------------------------
bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time);
bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &txkey);
template<typename T>
bool find_tx_extra_field_by_type(const std::vector<tx_extra_field>& tx_extra_fields, T& field)

32
src/simplewallet/simplewallet.cpp
View file

@ -365,6 +365,7 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("seed", boost::bind(&simple_wallet::seed, this, _1), tr("Get deterministic seed"));
m_cmd_binder.set_handler("set", boost::bind(&simple_wallet::set_variable, this, _1), tr("available options: seed language - Set wallet seed langage; always-confirm-transfers <1|0> - whether to confirm unsplit txes"));
m_cmd_binder.set_handler("rescan_spent", boost::bind(&simple_wallet::rescan_spent, this, _1), tr("Rescan blockchain for spent outputs"));
m_cmd_binder.set_handler("get_tx_key", boost::bind(&simple_wallet::get_tx_key, this, _1), tr("Get transaction key (r) for a given tx"));
m_cmd_binder.set_handler("help", boost::bind(&simple_wallet::help, this, _1), tr("Show this help"));
}
//----------------------------------------------------------------------------------------------------
@ -1724,6 +1725,37 @@ bool simple_wallet::sweep_dust(const std::vector<std::string> &args_)
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::get_tx_key(const std::vector<std::string> &args_)
{
std::vector<std::string> local_args = args_;
if(local_args.size() != 1) {
fail_msg_writer() << tr("Usage: get_tx_key <txid>");
return true;
}
cryptonote::blobdata txid_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(local_args.front(), txid_data))
{
fail_msg_writer() << tr("Failed to parse txid");
return false;
}
crypto::hash txid = *reinterpret_cast<const crypto::hash*>(txid_data.data());
crypto::secret_key tx_key;
bool r = m_wallet->get_tx_key(txid, tx_key);
if (r)
{
success_msg_writer() << tr("tx key: ") << tx_key;
return true;
}
else
{
fail_msg_writer() << tr("No tx key found for this txid");
return true;
}
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::run()
{
std::string addr_start = m_wallet->get_account().get_public_address_str(m_wallet->testnet()).substr(0, 6);

1
src/simplewallet/simplewallet.h
View file

@ -122,6 +122,7 @@ namespace cryptonote
bool set_variable(const std::vector<std::string> &args);
bool rescan_spent(const std::vector<std::string> &args);
bool set_log(const std::vector<std::string> &args);
bool get_tx_key(const std::vector<std::string> &args);
uint64_t get_daemon_blockchain_height(std::string& err);
bool try_connect_to_daemon();

26
src/wallet/wallet2.cpp
View file

@ -1251,6 +1251,8 @@ std::string wallet2::address_from_txt_record(const std::string& s)
void wallet2::commit_tx(pending_tx& ptx)
{
using namespace cryptonote;
crypto::hash txid;
COMMAND_RPC_SEND_RAW_TX::request req;
req.tx_as_hex = epee::string_tools::buff_to_hex_nodelimer(tx_to_blob(ptx.tx));
COMMAND_RPC_SEND_RAW_TX::response daemon_send_resp;
@ -1259,14 +1261,16 @@ void wallet2::commit_tx(pending_tx& ptx)
THROW_WALLET_EXCEPTION_IF(daemon_send_resp.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "sendrawtransaction");
THROW_WALLET_EXCEPTION_IF(daemon_send_resp.status != CORE_RPC_STATUS_OK, error::tx_rejected, ptx.tx, daemon_send_resp.status);
txid = get_transaction_hash(ptx.tx);
add_unconfirmed_tx(ptx.tx, ptx.change_dts.amount);
m_tx_keys.insert(std::make_pair(txid, ptx.tx_key));
LOG_PRINT_L2("transaction " << get_transaction_hash(ptx.tx) << " generated ok and sent to daemon, key_images: [" << ptx.key_images << "]");
LOG_PRINT_L2("transaction " << txid << " generated ok and sent to daemon, key_images: [" << ptx.key_images << "]");
BOOST_FOREACH(transfer_container::iterator it, ptx.selected_transfers)
it->m_spent = true;
LOG_PRINT_L0("Transaction successfully sent. <" << get_transaction_hash(ptx.tx) << ">" << ENDL
LOG_PRINT_L0("Transaction successfully sent. <" << txid << ">" << ENDL
<< "Commission: " << print_money(ptx.fee+ptx.dust) << " (dust: " << print_money(ptx.dust) << ")" << ENDL
<< "Balance: " << print_money(balance()) << ENDL
<< "Unlocked: " << print_money(unlocked_balance()) << ENDL
@ -1511,7 +1515,8 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
}
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time);
crypto::secret_key tx_key;
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet);
THROW_WALLET_EXCEPTION_IF(m_upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, m_upper_transaction_size_limit);
@ -1530,7 +1535,7 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
ptx.tx = tx;
ptx.change_dts = change_dts;
ptx.selected_transfers = selected_transfers;
ptx.tx_key = tx_key;
}
// Another implementation of transaction creation that is hopefully better
@ -1857,7 +1862,8 @@ void wallet2::transfer_dust(size_t num_outputs, uint64_t unlock_time, uint64_t n
THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < dust, error::wallet_internal_error, "invalid dust value: dust = " +
std::to_string(dust) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time);
crypto::secret_key tx_key;
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet);
THROW_WALLET_EXCEPTION_IF(m_upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, m_upper_transaction_size_limit);
@ -1876,6 +1882,7 @@ void wallet2::transfer_dust(size_t num_outputs, uint64_t unlock_time, uint64_t n
ptx.tx = tx;
ptx.change_dts = change_dts;
ptx.selected_transfers = selected_transfers;
ptx.tx_key = tx_key;
}
//----------------------------------------------------------------------------------------------------
@ -1989,6 +1996,15 @@ std::vector<wallet2::pending_tx> wallet2::create_dust_sweep_transactions()
}
}
bool wallet2::get_tx_key(const crypto::hash &txid, crypto::secret_key &tx_key) const
{
const std::unordered_map<crypto::hash, crypto::secret_key>::const_iterator i = m_tx_keys.find(txid);
if (i == m_tx_keys.end())
return false;
tx_key = i->second;
return true;
}
//----------------------------------------------------------------------------------------------------
void wallet2::generate_genesis(cryptonote::block& b) {
if (m_testnet)

14
src/wallet/wallet2.h
View file

@ -120,6 +120,7 @@ namespace tools
cryptonote::tx_destination_entry change_dts;
std::list<transfer_container::iterator> selected_transfers;
std::string key_images;
crypto::secret_key tx_key;
};
struct keys_file_data
@ -251,6 +252,9 @@ namespace tools
if(ver < 7)
return;
a & m_payments;
if(ver < 8)
return;
a & m_tx_keys;
}
/*!
@ -278,6 +282,8 @@ namespace tools
bool always_confirm_transfers() const { return m_always_confirm_transfers; }
void always_confirm_transfers(bool always) { m_always_confirm_transfers = always; }
bool get_tx_key(const crypto::hash &txid, crypto::secret_key &tx_key) const;
private:
/*!
* \brief Stores wallet information to wallet file.
@ -316,6 +322,7 @@ namespace tools
std::vector<crypto::hash> m_blockchain;
std::atomic<uint64_t> m_local_bc_height; //temporary workaround
std::unordered_map<crypto::hash, unconfirmed_transfer_details> m_unconfirmed_txs;
std::unordered_map<crypto::hash, crypto::secret_key> m_tx_keys;
transfer_container m_transfers;
payment_container m_payments;
@ -334,7 +341,7 @@ namespace tools
bool m_always_confirm_transfers;
};
}
BOOST_CLASS_VERSION(tools::wallet2, 7)
BOOST_CLASS_VERSION(tools::wallet2, 8)
namespace boost
{
@ -565,7 +572,8 @@ namespace tools
splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
}
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time);
crypto::secret_key tx_key;
bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet);
THROW_WALLET_EXCEPTION_IF(m_upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, m_upper_transaction_size_limit);
@ -584,7 +592,7 @@ namespace tools
ptx.tx = tx;
ptx.change_dts = change_dts;
ptx.selected_transfers = selected_transfers;
ptx.tx_key = tx_key;
}

3
src/wallet/wallet_rpc_server.cpp
View file

@ -218,6 +218,7 @@ namespace tools
// populate response with tx hash
res.tx_hash = boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(ptx_vector.back().tx));
res.tx_key = boost::lexical_cast<std::string>(ptx_vector.back().tx_key);
return true;
}
catch (const tools::error::daemon_busy& e)
@ -274,6 +275,7 @@ namespace tools
for (auto & ptx : ptx_vector)
{
res.tx_hash_list.push_back(boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(ptx.tx)));
res.tx_key_list.push_back(boost::lexical_cast<std::string>(ptx.tx_key));
}
return true;
@ -318,6 +320,7 @@ namespace tools
for (auto & ptx : ptx_vector)
{
res.tx_hash_list.push_back(boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(ptx.tx)));
res.tx_key_list.push_back(boost::lexical_cast<std::string>(ptx.tx_key));
}
return true;

6
src/wallet/wallet_rpc_server_commands_defs.h
View file

@ -110,9 +110,11 @@ namespace wallet_rpc
struct response
{
std::string tx_hash;
std::string tx_key;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(tx_hash)
KV_SERIALIZE(tx_key)
END_KV_SERIALIZE_MAP()
};
};
@ -141,9 +143,11 @@ namespace wallet_rpc
struct response
{
std::list<std::string> tx_hash_list;
std::list<std::string> tx_key_list;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(tx_hash_list)
KV_SERIALIZE(tx_key_list)
END_KV_SERIALIZE_MAP()
};
};
@ -159,9 +163,11 @@ namespace wallet_rpc
struct response
{
std::list<std::string> tx_hash_list;
std::list<std::string> tx_key_list;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(tx_hash_list)
KV_SERIALIZE(tx_key_list)
END_KV_SERIALIZE_MAP()
};
};