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wallet: do not leak owned amounts to the daemon unless --trusted-daemon

Browse source 
This will be slower, though more private.

New trusted_daemon parameter to the matching RPC call, false by default.
This commit is contained in:
moneromooo-monero 2016-03-26 23:22:57 +00:00
parent 12146daeed
commit 0be6e08dd0
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GPG key ID: 686F07454D6CEFC3
5 changed files with 11 additions and 8 deletions
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2
src/simplewallet/simplewallet.cpp
View file

@ -2221,7 +2221,7 @@ bool simple_wallet::sweep_unmixable(const std::vector<std::string> &args_)
try
{
// figure out what tx will be necessary
auto ptx_vector = m_wallet->create_unmixable_sweep_transactions();
auto ptx_vector = m_wallet->create_unmixable_sweep_transactions(m_trusted_daemon);
if (ptx_vector.empty())
{

7
src/wallet/wallet2.cpp
View file

@ -2688,7 +2688,7 @@ std::vector<uint64_t> wallet2::get_unspent_amounts_vector()
return vector;
}
//----------------------------------------------------------------------------------------------------
std::vector<size_t> wallet2::select_available_unmixable_outputs()
std::vector<size_t> wallet2::select_available_unmixable_outputs(bool trusted_daemon)
{
// request all outputs with at least 3 instances, so we can use mixin 2 with
epee::json_rpc::request<cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request> req_t = AUTO_VAL_INIT(req_t);
@ -2697,6 +2697,7 @@ std::vector<size_t> wallet2::select_available_unmixable_outputs()
req_t.jsonrpc = "2.0";
req_t.id = epee::serialization::storage_entry(0);
req_t.method = "get_output_histogram";
if (trusted_daemon)
req_t.params.amounts = get_unspent_amounts_vector();
req_t.params.min_count = 3;
req_t.params.max_count = 0;
@ -2720,14 +2721,14 @@ std::vector<size_t> wallet2::select_available_unmixable_outputs()
});
}
//----------------------------------------------------------------------------------------------------
std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions()
std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions(bool trusted_daemon)
{
// From hard fork 1, we don't consider small amounts to be dust anymore
const bool hf1_rules = use_fork_rules(2); // first hard fork has version 2
tx_dust_policy dust_policy(hf1_rules ? 0 : ::config::DEFAULT_DUST_THRESHOLD);
// may throw
std::vector<size_t> unmixable_outputs = select_available_unmixable_outputs();
std::vector<size_t> unmixable_outputs = select_available_unmixable_outputs(trusted_daemon);
size_t num_dust_outputs = unmixable_outputs.size();
if (num_dust_outputs == 0)

4
src/wallet/wallet2.h
View file

@ -289,7 +289,7 @@ namespace tools
void commit_tx(std::vector<pending_tx>& ptx_vector);
std::vector<pending_tx> create_transactions(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee, const std::vector<uint8_t> extra);
std::vector<wallet2::pending_tx> create_transactions_2(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra);
std::vector<pending_tx> create_unmixable_sweep_transactions();
std::vector<pending_tx> create_unmixable_sweep_transactions(bool trusted_daemon);
bool check_connection();
void get_transfers(wallet2::transfer_container& incoming_transfers) const;
void get_payments(const crypto::hash& payment_id, std::list<wallet2::payment_details>& payments, uint64_t min_height = 0) const;
@ -404,7 +404,7 @@ namespace tools
void check_pending_txes();
std::vector<uint64_t> get_unspent_amounts_vector();
std::vector<size_t> select_available_outputs(std::function<bool(const transfer_details &td)> f);
std::vector<size_t> select_available_unmixable_outputs();
std::vector<size_t> select_available_unmixable_outputs(bool trusted_daemon);
cryptonote::account_base m_account;
std::string m_daemon_address;

2
src/wallet/wallet_rpc_server.cpp
View file

@ -347,7 +347,7 @@ namespace tools
try
{
std::vector<wallet2::pending_tx> ptx_vector = m_wallet.create_unmixable_sweep_transactions();
std::vector<wallet2::pending_tx> ptx_vector = m_wallet.create_unmixable_sweep_transactions(req.trusted_daemon);
m_wallet.commit_tx(ptx_vector);

2
src/wallet/wallet_rpc_server_commands_defs.h
View file

@ -178,9 +178,11 @@ namespace wallet_rpc
struct request
{
bool get_tx_keys;
bool trusted_daemon;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(get_tx_keys)
KV_SERIALIZE(trusted_daemon)
END_KV_SERIALIZE_MAP()
};