diff --git a/src/common/util.cpp b/src/common/util.cpp index db5aa3052..0fa9e8dc1 100644 --- a/src/common/util.cpp +++ b/src/common/util.cpp @@ -1068,6 +1068,23 @@ std::string get_nix_version_display_string() return std::string(buffer); } + std::string get_human_readable_timespan(uint64_t seconds) + { + if (seconds < 60) + return std::to_string(seconds) + " seconds"; + if (seconds < 3600) + return std::to_string((uint64_t)(seconds / 60)) + " minutes"; + if (seconds < 3600 * 24) + return std::to_string((uint64_t)(seconds / 3600)) + " hours"; + if (seconds < 3600 * 24 * 30.5) + return std::to_string((uint64_t)(seconds / (3600 * 24))) + " days"; + if (seconds < 3600 * 24 * 365.25) + return std::to_string((uint64_t)(seconds / (3600 * 24 * 30.5))) + " months"; + if (seconds < 3600 * 24 * 365.25 * 100) + return std::to_string((uint64_t)(seconds / (3600 * 24 * 30.5 * 365.25))) + " years"; + return "a long time"; + } + std::string get_human_readable_bytes(uint64_t bytes) { // Use 1024 for "kilo", 1024*1024 for "mega" and so on instead of the more modern and standard-conforming diff --git a/src/common/util.h b/src/common/util.h index f6d5c9b1f..b0f734eff 100644 --- a/src/common/util.h +++ b/src/common/util.h @@ -245,5 +245,7 @@ namespace tools std::string get_human_readable_timestamp(uint64_t ts); + std::string get_human_readable_timespan(uint64_t seconds); + std::string get_human_readable_bytes(uint64_t bytes); } diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 7d173b2ff..0ea81f19a 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -4853,9 +4853,9 @@ std::map> Blockchain:: get_ou return m_db->get_output_histogram(amounts, unlocked, recent_cutoff, min_count); } -std::list>> Blockchain::get_alternative_chains() const +std::vector>> Blockchain::get_alternative_chains() const { - std::list>> chains; + std::vector>> chains; blocks_ext_by_hash alt_blocks; alt_blocks.reserve(m_db->get_alt_block_count()); diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h index b1c23b704..d95f2dceb 100644 --- a/src/cryptonote_core/blockchain.h +++ b/src/cryptonote_core/blockchain.h @@ -950,9 +950,9 @@ namespace cryptonote /** * @brief returns a set of known alternate chains * - * @return a list of chains + * @return a vector of chains */ - std::list>> get_alternative_chains() const; + std::vector>> get_alternative_chains() const; void add_txpool_tx(const crypto::hash &txid, const cryptonote::blobdata &blob, const txpool_tx_meta_t &meta); void update_txpool_tx(const crypto::hash &txid, const txpool_tx_meta_t &meta); diff --git a/src/daemon/command_parser_executor.cpp b/src/daemon/command_parser_executor.cpp index 778d7b4d8..924447701 100644 --- a/src/daemon/command_parser_executor.cpp +++ b/src/daemon/command_parser_executor.cpp @@ -674,11 +674,38 @@ bool t_command_parser_executor::alt_chain_info(const std::vector& a { if(args.size() > 1) { - std::cout << "usage: alt_chain_info [block_hash]" << std::endl; + std::cout << "usage: alt_chain_info [block_hash|>N|-N]" << std::endl; return false; } - return m_executor.alt_chain_info(args.size() == 1 ? args[0] : ""); + std::string tip; + size_t above = 0; + uint64_t last_blocks = 0; + if (args.size() == 1) + { + if (args[0].size() > 0 && args[0][0] == '>') + { + if (!epee::string_tools::get_xtype_from_string(above, args[0].c_str() + 1)) + { + std::cout << "invalid above parameter" << std::endl; + return false; + } + } + else if (args[0].size() > 0 && args[0][0] == '-') + { + if (!epee::string_tools::get_xtype_from_string(last_blocks, args[0].c_str() + 1)) + { + std::cout << "invalid last_blocks parameter" << std::endl; + return false; + } + } + else + { + tip = args[0]; + } + } + + return m_executor.alt_chain_info(tip, above, last_blocks); } bool t_command_parser_executor::print_blockchain_dynamic_stats(const std::vector& args) diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp index ca80e8e98..309e5c8dd 100644 --- a/src/daemon/rpc_command_executor.cpp +++ b/src/daemon/rpc_command_executor.cpp @@ -1818,7 +1818,7 @@ bool t_rpc_command_executor::print_coinbase_tx_sum(uint64_t height, uint64_t cou return true; } -bool t_rpc_command_executor::alt_chain_info(const std::string &tip) +bool t_rpc_command_executor::alt_chain_info(const std::string &tip, size_t above, uint64_t last_blocks) { cryptonote::COMMAND_RPC_GET_INFO::request ireq; cryptonote::COMMAND_RPC_GET_INFO::response ires; @@ -1855,16 +1855,31 @@ bool t_rpc_command_executor::alt_chain_info(const std::string &tip) if (tip.empty()) { - tools::msg_writer() << boost::lexical_cast(res.chains.size()) << " alternate chains found:"; - for (const auto &chain: res.chains) + auto chains = res.chains; + std::sort(chains.begin(), chains.end(), [](const cryptonote::COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info &info0, cryptonote::COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info &info1){ return info0.height < info1.height; }); + std::vector display; + for (size_t i = 0; i < chains.size(); ++i) { - uint64_t start_height = (chain.height - chain.length + 1); + const auto &chain = chains[i]; + if (chain.length <= above) + continue; + const uint64_t start_height = (chain.height - chain.length + 1); + if (last_blocks > 0 && ires.height - 1 - start_height >= last_blocks) + continue; + display.push_back(i); + } + tools::msg_writer() << boost::lexical_cast(display.size()) << " alternate chains found:"; + for (const size_t idx: display) + { + const auto &chain = chains[idx]; + const uint64_t start_height = (chain.height - chain.length + 1); tools::msg_writer() << chain.length << " blocks long, from height " << start_height << " (" << (ires.height - start_height - 1) << " deep), diff " << chain.difficulty << ": " << chain.block_hash; } } else { + const uint64_t now = time(NULL); const auto i = std::find_if(res.chains.begin(), res.chains.end(), [&tip](cryptonote::COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info &info){ return info.block_hash == tip; }); if (i != res.chains.end()) { @@ -1876,6 +1891,49 @@ bool t_rpc_command_executor::alt_chain_info(const std::string &tip) for (const std::string &block_id: chain.block_hashes) tools::msg_writer() << " " << block_id; tools::msg_writer() << "Chain parent on main chain: " << chain.main_chain_parent_block; + cryptonote::COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::request bhreq; + cryptonote::COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::response bhres; + bhreq.hashes = chain.block_hashes; + bhreq.hashes.push_back(chain.main_chain_parent_block); + bhreq.fill_pow_hash = false; + if (m_is_rpc) + { + if (!m_rpc_client->json_rpc_request(bhreq, bhres, "getblockheaderbyhash", fail_message.c_str())) + { + return true; + } + } + else + { + if (!m_rpc_server->on_get_block_header_by_hash(bhreq, bhres, error_resp)) + { + tools::fail_msg_writer() << make_error(fail_message, res.status); + return true; + } + } + if (bhres.block_headers.size() != chain.length + 1) + { + tools::fail_msg_writer() << "Failed to get block header info for alt chain"; + return true; + } + uint64_t t0 = bhres.block_headers.front().timestamp, t1 = t0; + for (const cryptonote::block_header_response &block_header: bhres.block_headers) + { + t0 = std::min(t0, block_header.timestamp); + t1 = std::max(t1, block_header.timestamp); + } + const uint64_t dt = t1 - t0; + const uint64_t age = std::max(dt, t0 < now ? now - t0 : 0); + tools::msg_writer() << "Age: " << tools::get_human_readable_timespan(age); + if (chain.length > 1) + { + tools::msg_writer() << "Time span: " << tools::get_human_readable_timespan(dt); + cryptonote::difficulty_type start_difficulty = bhres.block_headers.back().difficulty; + if (start_difficulty > 0) + tools::msg_writer() << "Approximated " << 100.f * DIFFICULTY_TARGET_V2 * chain.length / dt << "% of network hash rate"; + else + tools::fail_msg_writer() << "Bad cmumulative difficulty reported by dameon"; + } } else tools::fail_msg_writer() << "Block hash " << tip << " is not the tip of any known alternate chain"; diff --git a/src/daemon/rpc_command_executor.h b/src/daemon/rpc_command_executor.h index 4622609ae..f3ed48319 100644 --- a/src/daemon/rpc_command_executor.h +++ b/src/daemon/rpc_command_executor.h @@ -145,7 +145,7 @@ public: bool print_coinbase_tx_sum(uint64_t height, uint64_t count); - bool alt_chain_info(const std::string &tip); + bool alt_chain_info(const std::string &tip, size_t above, uint64_t last_blocks); bool print_blockchain_dynamic_stats(uint64_t nblocks); diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp index d5d173ab2..0936ce791 100644 --- a/src/rpc/core_rpc_server.cpp +++ b/src/rpc/core_rpc_server.cpp @@ -1612,38 +1612,55 @@ namespace cryptonote if (use_bootstrap_daemon_if_necessary(invoke_http_mode::JON_RPC, "getblockheaderbyhash", req, res, r)) return r; - crypto::hash block_hash; - bool hash_parsed = parse_hash256(req.hash, block_hash); - if(!hash_parsed) - { - error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM; - error_resp.message = "Failed to parse hex representation of block hash. Hex = " + req.hash + '.'; - return false; - } - block blk; - bool orphan = false; - bool have_block = m_core.get_block_by_hash(block_hash, blk, &orphan); - if (!have_block) - { - error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; - error_resp.message = "Internal error: can't get block by hash. Hash = " + req.hash + '.'; - return false; - } - if (blk.miner_tx.vin.size() != 1 || blk.miner_tx.vin.front().type() != typeid(txin_gen)) - { - error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; - error_resp.message = "Internal error: coinbase transaction in the block has the wrong type"; - return false; - } - uint64_t block_height = boost::get(blk.miner_tx.vin.front()).height; + auto get = [this](const std::string &hash, bool fill_pow_hash, block_header_response &block_header, bool restricted, epee::json_rpc::error& error_resp) -> bool { + crypto::hash block_hash; + bool hash_parsed = parse_hash256(hash, block_hash); + if(!hash_parsed) + { + error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM; + error_resp.message = "Failed to parse hex representation of block hash. Hex = " + hash + '.'; + return false; + } + block blk; + bool orphan = false; + bool have_block = m_core.get_block_by_hash(block_hash, blk, &orphan); + if (!have_block) + { + error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; + error_resp.message = "Internal error: can't get block by hash. Hash = " + hash + '.'; + return false; + } + if (blk.miner_tx.vin.size() != 1 || blk.miner_tx.vin.front().type() != typeid(txin_gen)) + { + error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; + error_resp.message = "Internal error: coinbase transaction in the block has the wrong type"; + return false; + } + uint64_t block_height = boost::get(blk.miner_tx.vin.front()).height; + bool response_filled = fill_block_header_response(blk, orphan, block_height, block_hash, block_header, fill_pow_hash && !restricted); + if (!response_filled) + { + error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; + error_resp.message = "Internal error: can't produce valid response."; + return false; + } + return true; + }; + const bool restricted = m_restricted && ctx; - bool response_filled = fill_block_header_response(blk, orphan, block_height, block_hash, res.block_header, req.fill_pow_hash && !restricted); - if (!response_filled) + if (!req.hash.empty()) { - error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR; - error_resp.message = "Internal error: can't produce valid response."; - return false; + if (!get(req.hash, req.fill_pow_hash, res.block_header, restricted, error_resp)) + return false; } + res.block_headers.reserve(req.hashes.size()); + for (const std::string &hash: req.hashes) + { + res.block_headers.push_back({}); + if (!get(hash, req.fill_pow_hash, res.block_headers.back(), restricted, error_resp)) + return false; + } + res.status = CORE_RPC_STATUS_OK; return true; } @@ -2073,7 +2090,7 @@ namespace cryptonote PERF_TIMER(on_get_alternate_chains); try { - std::list>> chains = m_core.get_blockchain_storage().get_alternative_chains(); + std::vector>> chains = m_core.get_blockchain_storage().get_alternative_chains(); for (const auto &i: chains) { difficulty_type wdiff = i.first.cumulative_difficulty; diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h index faf61a7f8..22b18f875 100644 --- a/src/rpc/core_rpc_server_commands_defs.h +++ b/src/rpc/core_rpc_server_commands_defs.h @@ -1096,10 +1096,12 @@ namespace cryptonote struct request_t { std::string hash; + std::vector hashes; bool fill_pow_hash; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(hash) + KV_SERIALIZE(hashes) KV_SERIALIZE_OPT(fill_pow_hash, false); END_KV_SERIALIZE_MAP() }; @@ -1109,10 +1111,12 @@ namespace cryptonote { std::string status; block_header_response block_header; + std::vector block_headers; bool untrusted; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(block_header) + KV_SERIALIZE(block_headers) KV_SERIALIZE(status) KV_SERIALIZE(untrusted) END_KV_SERIALIZE_MAP() @@ -2100,7 +2104,7 @@ namespace cryptonote struct response_t { std::string status; - std::list chains; + std::vector chains; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(status) diff --git a/utils/python-rpc/framework/daemon.py b/utils/python-rpc/framework/daemon.py index 18ce37221..20967030a 100644 --- a/utils/python-rpc/framework/daemon.py +++ b/utils/python-rpc/framework/daemon.py @@ -90,11 +90,12 @@ class Daemon(object): } return self.rpc.send_json_rpc_request(getlastblockheader) - def getblockheaderbyhash(self, hash): + def getblockheaderbyhash(self, hash = "", hashes = []): getblockheaderbyhash = { 'method': 'getblockheaderbyhash', 'params': { 'hash': hash, + 'hashes': hashes, }, 'jsonrpc': '2.0', 'id': '0'