From 8ea7af1ba3ea74be52893a38ab9c7d5afdc90926 Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Sat, 19 Dec 2015 14:52:30 +0000 Subject: [PATCH] Allow the wallet to access hard fork information And make it change behavior slightly when close/after first hard fork --- src/cryptonote_core/blockchain.cpp | 4 +-- src/cryptonote_core/blockchain.h | 2 +- src/cryptonote_core/hardfork.cpp | 12 +++++++- src/cryptonote_core/hardfork.h | 8 +++++- src/rpc/core_rpc_server.cpp | 2 +- src/rpc/core_rpc_server_commands_defs.h | 2 ++ src/wallet/wallet2.cpp | 37 ++++++++++++++++++++++++- src/wallet/wallet2.h | 4 ++- 8 files changed, 63 insertions(+), 8 deletions(-) diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 55571f57b..badccd06f 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -3173,9 +3173,9 @@ HardFork::State Blockchain::get_hard_fork_state() const return m_hardfork->get_state(); } -bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const +bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const { - return m_hardfork->get_voting_info(version, window, votes, threshold, voting); + return m_hardfork->get_voting_info(version, window, votes, threshold, earliest_height, voting); } bool Blockchain::for_all_key_images(std::function f) const diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h index e8f5a7e5b..1efc4e394 100644 --- a/src/cryptonote_core/blockchain.h +++ b/src/cryptonote_core/blockchain.h @@ -162,7 +162,7 @@ namespace cryptonote uint8_t get_ideal_hard_fork_version() const { return m_hardfork->get_ideal_version(); } uint8_t get_ideal_hard_fork_version(uint64_t height) const { return m_hardfork->get_ideal_version(height); } - bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const; + bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const; bool for_all_key_images(std::function) const; bool for_all_blocks(std::function) const; diff --git a/src/cryptonote_core/hardfork.cpp b/src/cryptonote_core/hardfork.cpp index 550047289..9bd4a337c 100644 --- a/src/cryptonote_core/hardfork.cpp +++ b/src/cryptonote_core/hardfork.cpp @@ -355,7 +355,16 @@ uint8_t HardFork::get_ideal_version(uint64_t height) const return original_version; } -bool HardFork::get_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const +uint64_t HardFork::get_earliest_ideal_height_for_version(uint8_t version) const +{ + for (unsigned int n = heights.size() - 1; n > 0; --n) { + if (heights[n].version <= version) + return heights[n].height; + } + return 0; +} + +bool HardFork::get_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const { CRITICAL_REGION_LOCAL(lock); @@ -367,6 +376,7 @@ bool HardFork::get_voting_info(uint8_t version, uint32_t &window, uint32_t &vote votes += last_versions[n]; threshold = (window * heights[current_version].threshold + 99) / 100; assert((votes >= threshold) == enabled); + earliest_height = get_earliest_ideal_height_for_version(version); voting = heights.back().version; return enabled; } diff --git a/src/cryptonote_core/hardfork.h b/src/cryptonote_core/hardfork.h index 6d2a3c55b..d2f701799 100644 --- a/src/cryptonote_core/hardfork.h +++ b/src/cryptonote_core/hardfork.h @@ -183,6 +183,11 @@ namespace cryptonote */ uint8_t get_current_version() const; + /** + * @brief returns the earliest block a given version may activate + */ + uint64_t get_earliest_ideal_height_for_version(uint8_t version) const; + /** * @brief returns information about current voting state * @@ -193,8 +198,9 @@ namespace cryptonote * @param window the number of blocks considered in voting * @param votes number of votes for next version * @param threshold number of votes needed to switch to next version + * @param earliest_height earliest height at which the version can take effect */ - bool get_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const; + bool get_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const; /** * @brief returns the size of the voting window in blocks diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp index b566e7318..e3e250a8e 100644 --- a/src/rpc/core_rpc_server.cpp +++ b/src/rpc/core_rpc_server.cpp @@ -890,7 +890,7 @@ namespace cryptonote const Blockchain &blockchain = m_core.get_blockchain_storage(); uint8_t version = req.version > 0 ? req.version : blockchain.get_ideal_hard_fork_version(); res.version = blockchain.get_current_hard_fork_version(); - res.enabled = blockchain.get_hard_fork_voting_info(version, res.window, res.votes, res.threshold, res.voting); + res.enabled = blockchain.get_hard_fork_voting_info(version, res.window, res.votes, res.threshold, res.earliest_height, res.voting); res.state = blockchain.get_hard_fork_state(); res.status = CORE_RPC_STATUS_OK; return true; diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h index b70164614..dbb274c50 100644 --- a/src/rpc/core_rpc_server_commands_defs.h +++ b/src/rpc/core_rpc_server_commands_defs.h @@ -875,6 +875,7 @@ namespace cryptonote uint32_t threshold; uint8_t voting; uint32_t state; + uint64_t earliest_height; std::string status; BEGIN_KV_SERIALIZE_MAP() @@ -885,6 +886,7 @@ namespace cryptonote KV_SERIALIZE(threshold) KV_SERIALIZE(voting) KV_SERIALIZE(state) + KV_SERIALIZE(earliest_height) KV_SERIALIZE(status) END_KV_SERIALIZE_MAP() }; diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 903e70097..d10529194 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -2338,10 +2338,45 @@ void wallet2::transfer_dust(size_t num_outputs, uint64_t unlock_time, uint64_t n ptx.dests = dsts; } +//---------------------------------------------------------------------------------------------------- +bool wallet2::use_fork_rules(uint8_t version) +{ + cryptonote::COMMAND_RPC_GET_HEIGHT::request req = AUTO_VAL_INIT(req); + cryptonote::COMMAND_RPC_GET_HEIGHT::response res = AUTO_VAL_INIT(res); + epee::json_rpc::request req_t = AUTO_VAL_INIT(req_t); + epee::json_rpc::response resp_t = AUTO_VAL_INIT(resp_t); + + m_daemon_rpc_mutex.lock(); + bool r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/getheight", req, res, m_http_client); + m_daemon_rpc_mutex.unlock(); + CHECK_AND_ASSERT_MES(r, false, "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(res.status != CORE_RPC_STATUS_BUSY, false, "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, false, "Failed to get current blockchain height"); + + m_daemon_rpc_mutex.lock(); + req_t.jsonrpc = "2.0"; + req_t.id = epee::serialization::storage_entry(0); + req_t.method = "hard_fork_info"; + req_t.params.version = version; + r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/json_rpc", req_t, resp_t, m_http_client); + m_daemon_rpc_mutex.unlock(); + CHECK_AND_ASSERT_MES(r, false, "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(res.status != CORE_RPC_STATUS_BUSY, false, "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, false, "Failed to get hard fork status"); + + bool close_enough = res.height >= resp_t.result.earliest_height - 10; // start using the rules a bit beforehand + if (close_enough) + LOG_PRINT_L2("Using HF1 rules"); + else + LOG_PRINT_L2("Not using HF1 rules"); + return close_enough; +} //---------------------------------------------------------------------------------------------------- std::vector wallet2::create_dust_sweep_transactions() { - tx_dust_policy dust_policy(::config::DEFAULT_DUST_THRESHOLD); + // 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); size_t num_dust_outputs = 0; for (transfer_container::const_iterator i = m_transfers.begin(); i != m_transfers.end(); ++i) diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h index ecf4ef3dc..74840c5ec 100644 --- a/src/wallet/wallet2.h +++ b/src/wallet/wallet2.h @@ -372,6 +372,7 @@ namespace tools crypto::hash get_payment_id(const pending_tx &ptx) const; void check_acc_out(const cryptonote::account_keys &acc, const cryptonote::tx_out &o, const crypto::public_key &tx_pub_key, size_t i, uint64_t &money_transfered, bool &error) const; void parse_block_round(const cryptonote::blobdata &blob, cryptonote::block &bl, crypto::hash &bl_id, bool &error) const; + bool use_fork_rules(uint8_t version); cryptonote::account_base m_account; std::string m_daemon_address; @@ -552,7 +553,8 @@ namespace tools // randomly select inputs for transaction // throw if requested send amount is greater than amount available to send std::list selected_transfers; - uint64_t found_money = select_transfers(needed_money, 0 == fake_outputs_count, dust_policy.dust_threshold, selected_transfers); + const bool add_dust = (0 == fake_outputs_count) && !use_fork_rules(2); // first fork has version 2 + uint64_t found_money = select_transfers(needed_money, add_dust, dust_policy.dust_threshold, selected_transfers); THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee); typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry;