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//
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// Created by mwo on 13/04/16.
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//
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#ifndef CROWXMR_RPCCALLS_H
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#define CROWXMR_RPCCALLS_H
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#include "monero_headers.h"
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#include <mutex>
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#include <utility>
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namespace
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{
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// can be used to check if given class/struct exist
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// from: https://stackoverflow.com/a/10722840/248823
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template <typename T>
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struct has_destructor
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{
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// has destructor
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template <typename A>
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static std::true_type test(decltype(std::declval<A>().~A()) *)
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{
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return std::true_type();
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}
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// no constructor
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template <typename A>
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static std::false_type test(...)
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{
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return std::false_type();
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}
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/* This will be either `std::true_type` or `std::false_type` */
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typedef decltype(test<T>(0)) type;
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static const bool value = type::value;
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};
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}
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namespace cryptonote
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{
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// declare struct in monero's cryptonote namespace.
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// monero should provide definition for this,
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// but we need to have it declared as we are going to
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// check if its definition exist or not. depending on this
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// we decide what gets to be defined as
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// get_alt_blocks(vector<string>& alt_blocks_hashes);
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struct COMMAND_RPC_GET_ALT_BLOCKS_HASHES;
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}
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namespace xmreg
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{
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using namespace cryptonote;
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using namespace crypto;
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using namespace std;
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class rpccalls
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{
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string deamon_url ;
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uint64_t timeout_time;
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std::chrono::milliseconds timeout_time_ms;
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epee::net_utils::http::url_content url;
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epee::net_utils::http::http_simple_client m_http_client;
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std::mutex m_daemon_rpc_mutex;
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string port;
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public:
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rpccalls(string _deamon_url = "http:://127.0.0.1:18081",
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uint64_t _timeout = 200000);
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bool
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connect_to_monero_deamon();
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uint64_t
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get_current_height();
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bool
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get_mempool(vector<tx_info>& mempool_txs);
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bool
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commit_tx(tools::wallet2::pending_tx& ptx, string& error_msg);
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bool
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get_network_info(COMMAND_RPC_GET_INFO::response& info);
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bool
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get_dynamic_per_kb_fee_estimate(
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uint64_t grace_blocks,
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uint64_t& fee,
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string& error_msg);
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/**
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* This must be in the header for now, as it will be tempalte function
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*
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* @param alt_blocks_hashes
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* @return bool
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*/
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template<typename T = COMMAND_RPC_GET_ALT_BLOCKS_HASHES>
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typename enable_if<has_destructor<T>::value, bool>::type
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get_alt_blocks(vector<string>& alt_blocks_hashes)
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{
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// definition of COMMAND_RPC_GET_ALT_BLOCKS_HASHES exist
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// so perform rpc call to get this information
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bool r {false};
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typename T::request req;
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typename T::response resp;
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{
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std::lock_guard<std::mutex> guard(m_daemon_rpc_mutex);
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if (!connect_to_monero_deamon())
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{
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cerr << "get_alt_blocks: not connected to deamon" << endl;
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return false;
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}
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r = epee::net_utils::invoke_http_json("/get_alt_blocks_hashes",
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req, resp,
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m_http_client);
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}
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string err;
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if (r)
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{
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if (resp.status == CORE_RPC_STATUS_BUSY)
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{
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err = "daemon is busy. Please try again later.";
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}
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else if (resp.status != CORE_RPC_STATUS_OK)
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{
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err = "daemon rpc failed. Please try again later.";
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}
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if (!err.empty())
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{
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cerr << "Error connecting to Monero deamon due to "
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<< err << endl;
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return false;
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}
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}
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else
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{
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cerr << "Error connecting to Monero deamon at "
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<< deamon_url << endl;
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return false;
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}
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alt_blocks_hashes = resp.blks_hashes;
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return true;
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}
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template<typename T = COMMAND_RPC_GET_ALT_BLOCKS_HASHES>
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typename enable_if<!has_destructor<T>::value, bool>::type
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get_alt_blocks(vector<string>& alt_blocks_hashes)
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{
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cerr << "COMMAND_RPC_GET_ALT_BLOCKS_HASHES does not exist!" << endl;
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// definition of COMMAND_RPC_GET_ALT_BLOCKS_HASHES does NOT exist
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// so dont do anything
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return false;
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}
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bool
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get_block(string const& blk_hash, block& blk, string& error_msg);
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};
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}
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#endif //CROWXMR_RPCCALLS_H
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